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| | /* Functions for the X Window System.
Copyright (C) 1989, 1992-2022 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <unistd.h>
#include "lisp.h"
#include "character.h"
#include "xterm.h"
#include "frame.h"
#include "window.h"
#include "buffer.h"
#include "dispextern.h"
#include "keyboard.h"
#include "blockinput.h"
#include "charset.h"
#include "coding.h"
#include "termhooks.h"
#include "font.h"
#include <sys/types.h>
#include <sys/stat.h>
#ifdef USE_XCB
#include <xcb/xcb.h>
#include <xcb/xproto.h>
#include <xcb/xcb_aux.h>
#endif
#include "bitmaps/gray.xbm"
#include "xsettings.h"
#ifdef HAVE_XRANDR
#include <X11/extensions/Xrandr.h>
#endif
#ifdef HAVE_XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
#ifdef USE_GTK
#include "gtkutil.h"
#endif
#ifdef HAVE_XDBE
#include <X11/extensions/Xdbe.h>
#endif
#ifdef HAVE_XINPUT2
#include <X11/extensions/XInput2.h>
#endif
#ifdef USE_X_TOOLKIT
#include <X11/Shell.h>
#ifndef USE_MOTIF
#ifdef HAVE_XAW3D
#include <X11/Xaw3d/Paned.h>
#include <X11/Xaw3d/Label.h>
#else /* !HAVE_XAW3D */
#include <X11/Xaw/Paned.h>
#include <X11/Xaw/Label.h>
#endif /* HAVE_XAW3D */
#endif /* USE_MOTIF */
#ifdef USG
#undef USG /* ####KLUDGE for Solaris 2.2 and up */
#include <X11/Xos.h>
#define USG
#ifdef USG /* Pacify gcc -Wunused-macros. */
#endif
#else
#include <X11/Xos.h>
#endif
#include "widget.h"
#include "../lwlib/lwlib.h"
#ifdef USE_MOTIF
#include <Xm/Xm.h>
#include <Xm/DialogS.h>
#include <Xm/FileSB.h>
#include <Xm/List.h>
#include <Xm/TextF.h>
#include <Xm/MwmUtil.h>
#endif
#ifdef USE_LUCID
#include "../lwlib/xlwmenu.h"
#endif
/* Unique id counter for widgets created by the Lucid Widget Library. */
extern LWLIB_ID widget_id_tick;
#ifdef USE_MOTIF
#endif /* USE_MOTIF */
#endif /* USE_X_TOOLKIT */
#ifdef USE_GTK
#endif /* USE_GTK */
#define MAXREQUEST(dpy) (XMaxRequestSize (dpy))
static ptrdiff_t image_cache_refcount;
#ifdef GLYPH_DEBUG
static int dpyinfo_refcount;
#endif
#ifndef USE_MOTIF
#ifndef USE_GTK
/** #define MWM_HINTS_FUNCTIONS (1L << 0) **/
#define MWM_HINTS_DECORATIONS (1L << 1)
/** #define MWM_HINTS_INPUT_MODE (1L << 2) **/
/** #define MWM_HINTS_STATUS (1L << 3) **/
#define MWM_DECOR_ALL (1L << 0)
/** #define MWM_DECOR_BORDER (1L << 1) **/
/** #define MWM_DECOR_RESIZEH (1L << 2) **/
/** #define MWM_DECOR_TITLE (1L << 3) **/
/** #define MWM_DECOR_MENU (1L << 4) **/
/** #define MWM_DECOR_MINIMIZE (1L << 5) **/
/** #define MWM_DECOR_MAXIMIZE (1L << 6) **/
/** #define _XA_MOTIF_WM_HINTS "_MOTIF_WM_HINTS" **/
typedef struct {
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long input_mode;
unsigned long status;
} PropMotifWmHints;
#define PROP_MOTIF_WM_HINTS_ELEMENTS 5
#endif /* NOT USE_GTK */
#endif /* NOT USE_MOTIF */
static struct x_display_info *x_display_info_for_name (Lisp_Object);
static void set_up_x_back_buffer (struct frame *f);
/* Let the user specify an X display with a Lisp object.
OBJECT may be nil, a frame or a terminal object.
nil stands for the selected frame--or, if that is not an X frame,
the first X display on the list. */
struct x_display_info *
check_x_display_info (Lisp_Object object)
{
struct x_display_info *dpyinfo = NULL;
if (NILP (object))
{
struct frame *sf = XFRAME (selected_frame);
if (FRAME_X_P (sf) && FRAME_LIVE_P (sf))
dpyinfo = FRAME_DISPLAY_INFO (sf);
else if (x_display_list != 0)
dpyinfo = x_display_list;
else
error ("X windows are not in use or not initialized");
}
else if (TERMINALP (object))
{
struct terminal *t = decode_live_terminal (object);
if (t->type != output_x_window)
error ("Terminal %d is not an X display", t->id);
dpyinfo = t->display_info.x;
}
else if (STRINGP (object))
dpyinfo = x_display_info_for_name (object);
else
{
struct frame *f = decode_window_system_frame (object);
dpyinfo = FRAME_DISPLAY_INFO (f);
}
return dpyinfo;
}
/* Return the screen positions and offsets of frame F.
Store the offsets between FRAME_OUTER_WINDOW and the containing
window manager window into LEFT_OFFSET_X, RIGHT_OFFSET_X,
TOP_OFFSET_Y and BOTTOM_OFFSET_Y.
Store the offsets between FRAME_X_WINDOW and the containing
window manager window into X_PIXELS_DIFF and Y_PIXELS_DIFF.
Store the screen positions of frame F into XPTR and YPTR.
These are the positions of the containing window manager window,
not Emacs's own window. */
void
x_real_pos_and_offsets (struct frame *f,
int *left_offset_x,
int *right_offset_x,
int *top_offset_y,
int *bottom_offset_y,
int *x_pixels_diff,
int *y_pixels_diff,
int *xptr,
int *yptr,
int *outer_border)
{
int win_x = 0, win_y = 0, outer_x = 0, outer_y = 0;
int real_x = 0, real_y = 0;
bool had_errors = false;
struct frame *parent_frame = FRAME_PARENT_FRAME (f);
Window win = (parent_frame
? FRAME_X_WINDOW (parent_frame)
: f->output_data.x->parent_desc);
struct x_display_info *dpyinfo = FRAME_DISPLAY_INFO (f);
long max_len = 400;
Atom target_type = XA_CARDINAL;
unsigned int ow = 0, oh = 0;
unsigned int fw = 0, fh = 0;
unsigned int bw = 0;
/* We resort to XCB if possible because there are several X calls
here which require responses from the server but do not have data
dependencies between them. Using XCB lets us pipeline requests,
whereas with Xlib we must wait for each answer before sending the
next request.
For a non-local display, the round-trip time could be a few tens
of milliseconds, depending on the network distance. It doesn't
take a lot of those to add up to a noticeable hesitation in
responding to user actions. */
#ifdef USE_XCB
xcb_connection_t *xcb_conn = dpyinfo->xcb_connection;
xcb_get_property_cookie_t prop_cookie;
xcb_get_geometry_cookie_t outer_geom_cookie;
bool sent_requests = false;
#else
Atom actual_type;
unsigned long actual_size, bytes_remaining;
int rc, actual_format;
Display *dpy = FRAME_X_DISPLAY (f);
unsigned char *tmp_data = NULL;
#endif
if (x_pixels_diff) *x_pixels_diff = 0;
if (y_pixels_diff) *y_pixels_diff = 0;
if (left_offset_x) *left_offset_x = 0;
if (top_offset_y) *top_offset_y = 0;
if (right_offset_x) *right_offset_x = 0;
if (bottom_offset_y) *bottom_offset_y = 0;
if (xptr) *xptr = 0;
if (yptr) *yptr = 0;
if (outer_border) *outer_border = 0;
if (win == dpyinfo->root_window)
win = FRAME_OUTER_WINDOW (f);
block_input ();
#ifndef USE_XCB
/* If we're using XCB, all errors are checked for on each call. */
x_catch_errors (dpy);
#endif
/* This loop traverses up the containment tree until we hit the root
window. Window managers may intersect many windows between our window
and the root window. The window we find just before the root window
should be the outer WM window. */
for (;;)
{
Window wm_window UNINIT, rootw UNINIT;
#ifdef USE_XCB
xcb_query_tree_cookie_t query_tree_cookie;
xcb_query_tree_reply_t *query_tree;
query_tree_cookie = xcb_query_tree (xcb_conn, win);
query_tree = xcb_query_tree_reply (xcb_conn, query_tree_cookie, NULL);
if (query_tree == NULL)
had_errors = true;
else
{
wm_window = query_tree->parent;
rootw = query_tree->root;
free (query_tree);
}
#else
Window *tmp_children;
unsigned int tmp_nchildren;
int success;
success = XQueryTree (dpy, win, &rootw,
&wm_window, &tmp_children, &tmp_nchildren);
had_errors = x_had_errors_p (dpy);
/* Don't free tmp_children if XQueryTree failed. */
if (! success)
break;
XFree (tmp_children);
#endif
if (had_errors || wm_window == rootw)
break;
win = wm_window;
}
if (! had_errors)
{
#ifdef USE_XCB
xcb_get_geometry_cookie_t geom_cookie;
xcb_translate_coordinates_cookie_t trans_cookie;
xcb_translate_coordinates_cookie_t outer_trans_cookie;
xcb_translate_coordinates_reply_t *trans;
xcb_get_geometry_reply_t *geom;
#else
Window child, rootw;
unsigned int ign;
#endif
#ifdef USE_XCB
/* Fire off the requests that don't have data dependencies.
Once we've done this, we must collect the results for each
one before returning, even if other errors are detected,
making the other responses moot. */
geom_cookie = xcb_get_geometry (xcb_conn, win);
trans_cookie =
xcb_translate_coordinates (xcb_conn,
/* From-window, to-window. */
FRAME_DISPLAY_INFO (f)->root_window,
FRAME_X_WINDOW (f),
/* From-position. */
0, 0);
if (FRAME_X_WINDOW (f) != FRAME_OUTER_WINDOW (f))
outer_trans_cookie =
xcb_translate_coordinates (xcb_conn,
/* From-window, to-window. */
FRAME_DISPLAY_INFO (f)->root_window,
FRAME_OUTER_WINDOW (f),
/* From-position. */
0, 0);
if (right_offset_x || bottom_offset_y)
outer_geom_cookie = xcb_get_geometry (xcb_conn,
FRAME_OUTER_WINDOW (f));
if (!parent_frame
&& dpyinfo->root_window == f->output_data.x->parent_desc)
/* Try _NET_FRAME_EXTENTS if our parent is the root window. */
prop_cookie = xcb_get_property (xcb_conn, 0, win,
dpyinfo->Xatom_net_frame_extents,
target_type, 0, max_len);
sent_requests = true;
#endif
/* Get the real coordinates for the WM window upper left corner */
#ifdef USE_XCB
geom = xcb_get_geometry_reply (xcb_conn, geom_cookie, NULL);
if (geom)
{
real_x = geom->x;
real_y = geom->y;
ow = geom->width;
oh = geom->height;
bw = geom->border_width;
free (geom);
}
else
had_errors = true;
#else
XGetGeometry (dpy, win,
&rootw, &real_x, &real_y, &ow, &oh, &bw, &ign);
#endif
/* Translate real coordinates to coordinates relative to our
window. For our window, the upper left corner is 0, 0.
Since the upper left corner of the WM window is outside
our window, win_x and win_y will be negative:
------------------ ---> x
| title |
| ----------------- v y
| | our window
Since we don't care about the child window corresponding to
the actual coordinates, we can send zero to get the offsets
and compute the resulting coordinates below. This reduces
the data dependencies between calls and lets us pipeline the
requests better in the XCB case. */
#ifdef USE_XCB
trans = xcb_translate_coordinates_reply (xcb_conn, trans_cookie, NULL);
if (trans)
{
win_x = trans->dst_x;
win_y = trans->dst_y;
free (trans);
}
else
had_errors = true;
#else
XTranslateCoordinates (dpy,
/* From-window, to-window. */
FRAME_DISPLAY_INFO (f)->root_window,
FRAME_X_WINDOW (f),
/* From-position, to-position. */
0, 0, &win_x, &win_y,
/* Child of win. */
&child);
#endif
win_x += real_x;
win_y += real_y;
if (FRAME_X_WINDOW (f) == FRAME_OUTER_WINDOW (f))
{
outer_x = win_x;
outer_y = win_y;
}
else
{
#ifdef USE_XCB
xcb_translate_coordinates_reply_t *outer_trans;
outer_trans = xcb_translate_coordinates_reply (xcb_conn,
outer_trans_cookie,
NULL);
if (outer_trans)
{
outer_x = outer_trans->dst_x;
outer_y = outer_trans->dst_y;
free (outer_trans);
}
else
had_errors = true;
#else
XTranslateCoordinates (dpy,
/* From-window, to-window. */
FRAME_DISPLAY_INFO (f)->root_window,
FRAME_OUTER_WINDOW (f),
/* From-position, to-position. */
0, 0, &outer_x, &outer_y,
/* Child of win. */
&child);
#endif
outer_x += real_x;
outer_y += real_y;
}
#ifndef USE_XCB
had_errors = x_had_errors_p (dpy);
#endif
}
if (!parent_frame && dpyinfo->root_window == f->output_data.x->parent_desc)
{
/* Try _NET_FRAME_EXTENTS if our parent is the root window. */
#ifdef USE_XCB
/* Make sure we didn't get an X error early and skip sending the
request. */
if (sent_requests)
{
xcb_get_property_reply_t *prop;
prop = xcb_get_property_reply (xcb_conn, prop_cookie, NULL);
if (prop)
{
if (prop->type == target_type
&& prop->format == 32
&& (xcb_get_property_value_length (prop)
== 4 * sizeof (int32_t)))
{
int32_t *fe = xcb_get_property_value (prop);
outer_x = -fe[0];
outer_y = -fe[2];
real_x -= fe[0];
real_y -= fe[2];
}
free (prop);
}
/* Xlib version doesn't set had_errors here. Intentional or bug? */
}
#else
rc = XGetWindowProperty (dpy, win, dpyinfo->Xatom_net_frame_extents,
0, max_len, False, target_type,
&actual_type, &actual_format, &actual_size,
&bytes_remaining, &tmp_data);
if (rc == Success && actual_type == target_type && !x_had_errors_p (dpy)
&& actual_size == 4 && actual_format == 32)
{
long *fe = (long *)tmp_data;
outer_x = -fe[0];
outer_y = -fe[2];
real_x -= fe[0];
real_y -= fe[2];
}
if (tmp_data) XFree (tmp_data);
#endif
}
if (right_offset_x || bottom_offset_y)
{
#ifdef USE_XCB
/* Make sure we didn't get an X error early and skip sending the
request. */
if (sent_requests)
{
xcb_get_geometry_reply_t *outer_geom;
outer_geom = xcb_get_geometry_reply (xcb_conn, outer_geom_cookie,
NULL);
if (outer_geom)
{
fw = outer_geom->width;
fh = outer_geom->height;
free (outer_geom);
}
else
had_errors = true;
}
#else
int xy_ign;
unsigned int ign;
Window rootw;
XGetGeometry (dpy, FRAME_OUTER_WINDOW (f),
&rootw, &xy_ign, &xy_ign, &fw, &fh, &ign, &ign);
#endif
}
#ifndef USE_XCB
x_uncatch_errors ();
#endif
unblock_input ();
if (had_errors) return;
if (x_pixels_diff) *x_pixels_diff = -win_x;
if (y_pixels_diff) *y_pixels_diff = -win_y;
if (left_offset_x) *left_offset_x = -outer_x;
if (top_offset_y) *top_offset_y = -outer_y;
if (xptr) *xptr = real_x;
if (yptr) *yptr = real_y;
if (outer_border) *outer_border = bw;
if (right_offset_x) *right_offset_x = ow - fw + outer_x;
if (bottom_offset_y) *bottom_offset_y = oh - fh + outer_y;
}
/* Store the screen positions of frame F into XPTR and YPTR.
These are the positions of the containing window manager window,
not Emacs's own window. */
void
x_real_positions (struct frame *f, int *xptr, int *yptr)
{
x_real_pos_and_offsets (f, NULL, NULL, NULL, NULL, NULL, NULL, xptr, yptr,
NULL);
}
/* Get the mouse position in frame relative coordinates. */
void
x_relative_mouse_position (struct frame *f, int *x, int *y)
{
Window root, dummy_window;
int dummy;
eassert (FRAME_X_P (f));
block_input ();
x_query_pointer (FRAME_X_DISPLAY (f),
FRAME_DISPLAY_INFO (f)->root_window,
/* The root window which contains the pointer. */
&root,
/* Window pointer is on, not used */
&dummy_window,
/* The position on that root window. */
x, y,
/* x/y in dummy_window coordinates, not used. */
&dummy, &dummy,
/* Modifier keys and pointer buttons, about which
we don't care. */
(unsigned int *) &dummy);
XTranslateCoordinates (FRAME_X_DISPLAY (f),
/* From-window, to-window. */
FRAME_DISPLAY_INFO (f)->root_window,
FRAME_X_WINDOW (f),
/* From-position, to-position. */
*x, *y, x, y,
/* Child of win. */
&dummy_window);
unblock_input ();
}
/* Gamma-correct COLOR on frame F. */
void
gamma_correct (struct frame *f, XColor *color)
{
if (f->gamma)
{
color->red = pow (color->red / 65535.0, f->gamma) * 65535.0 + 0.5;
color->green = pow (color->green / 65535.0, f->gamma) * 65535.0 + 0.5;
color->blue = pow (color->blue / 65535.0, f->gamma) * 65535.0 + 0.5;
}
}
/* Decide if color named COLOR_NAME is valid for use on frame F. If
so, return the RGB values in COLOR. If ALLOC_P,
allocate the color. Value is false if COLOR_NAME is invalid, or
no color could be allocated. */
bool
x_defined_color (struct frame *f, const char *color_name,
Emacs_Color *color, bool alloc_p, bool _makeIndex)
{
bool success_p = false;
Colormap cmap = FRAME_X_COLORMAP (f);
block_input ();
#ifdef USE_GTK
success_p = xg_check_special_colors (f, color_name, color);
#endif
if (!success_p)
success_p = x_parse_color (f, color_name, color) != 0;
if (success_p && alloc_p)
success_p = x_alloc_nearest_color (f, cmap, color);
unblock_input ();
return success_p;
}
/* Return the pixel color value for color COLOR_NAME on frame F. If F
is a monochrome frame, return MONO_COLOR regardless of what ARG says.
Signal an error if color can't be allocated. */
static unsigned long
x_decode_color (struct frame *f, Lisp_Object color_name, int mono_color)
{
XColor cdef;
CHECK_STRING (color_name);
#if false /* Don't do this. It's wrong when we're not using the default
colormap, it makes freeing difficult, and it's probably not
an important optimization. */
if (strcmp (SDATA (color_name), "black") == 0)
return BLACK_PIX_DEFAULT (f);
else if (strcmp (SDATA (color_name), "white") == 0)
return WHITE_PIX_DEFAULT (f);
#endif
/* Return MONO_COLOR for monochrome frames. */
if (FRAME_DISPLAY_INFO (f)->n_planes == 1)
return mono_color;
/* x_defined_color is responsible for coping with failures
by looking for a near-miss. */
if (x_defined_color (f, SSDATA (color_name), &cdef, true, false))
return cdef.pixel;
signal_error ("Undefined color", color_name);
}
\f
/* Change the `wait-for-wm' frame parameter of frame F. OLD_VALUE is
the previous value of that parameter, NEW_VALUE is the new value.
See also the comment of wait_for_wm in struct x_output. */
static void
x_set_wait_for_wm (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
f->output_data.x->wait_for_wm = !NILP (new_value);
}
static void
x_set_alpha_background (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
unsigned long opaque_region[] = {0, 0, FRAME_PIXEL_WIDTH (f),
FRAME_PIXEL_HEIGHT (f)};
#ifdef HAVE_GTK3
GObjectClass *object_class;
GtkWidgetClass *class;
#endif
gui_set_alpha_background (f, arg, oldval);
#ifdef HAVE_XRENDER
/* Setting `alpha_background' to something other than opaque on a
display that doesn't support the required features leads to
confusing results. */
if (f->alpha_background < 1.0
&& !FRAME_DISPLAY_INFO (f)->alpha_bits
&& !FRAME_CHECK_XR_VERSION (f, 0, 2))
f->alpha_background = 1.0;
#else
f->alpha_background = 1.0;
#endif
#ifdef USE_GTK
/* This prevents GTK from painting the window's background, which
interferes with transparent background in some environments */
if (!FRAME_TOOLTIP_P (f))
gtk_widget_set_app_paintable (FRAME_GTK_OUTER_WIDGET (f),
f->alpha_background != 1.0);
#endif
if (!FRAME_DISPLAY_INFO (f)->alpha_bits)
return;
if (f->alpha_background != 1.0)
{
XChangeProperty (FRAME_X_DISPLAY (f),
FRAME_X_WINDOW (f),
FRAME_DISPLAY_INFO (f)->Xatom_net_wm_opaque_region,
XA_CARDINAL, 32, PropModeReplace,
NULL, 0);
}
#ifndef HAVE_GTK3
else
XChangeProperty (FRAME_X_DISPLAY (f),
FRAME_X_WINDOW (f),
FRAME_DISPLAY_INFO (f)->Xatom_net_wm_opaque_region,
XA_CARDINAL, 32, PropModeReplace,
(unsigned char *) &opaque_region, 4);
#else
else
{
if (FRAME_TOOLTIP_P (f))
XChangeProperty (FRAME_X_DISPLAY (f),
FRAME_X_WINDOW (f),
FRAME_DISPLAY_INFO (f)->Xatom_net_wm_opaque_region,
XA_CARDINAL, 32, PropModeReplace,
(unsigned char *) &opaque_region, 4);
else
{
object_class = G_OBJECT_GET_CLASS (FRAME_GTK_OUTER_WIDGET (f));
class = GTK_WIDGET_CLASS (object_class);
if (class->style_updated)
class->style_updated (FRAME_GTK_OUTER_WIDGET (f));
}
}
#endif
}
static void
x_set_tool_bar_position (struct frame *f,
Lisp_Object new_value,
Lisp_Object old_value)
{
Lisp_Object choice = list4 (Qleft, Qright, Qtop, Qbottom);
if (!NILP (Fmemq (new_value, choice)))
{
#ifdef USE_GTK
if (!EQ (new_value, old_value))
{
xg_change_toolbar_position (f, new_value);
fset_tool_bar_position (f, new_value);
}
#else
if (!EQ (new_value, Qtop))
error ("The only supported tool bar position is top");
#endif
}
else
wrong_choice (choice, new_value);
}
#ifdef HAVE_XDBE
static void
x_set_inhibit_double_buffering (struct frame *f,
Lisp_Object new_value,
Lisp_Object old_value)
{
bool want_double_buffering, was_double_buffered;
if (FRAME_X_WINDOW (f) && !EQ (new_value, old_value))
{
want_double_buffering = NILP (new_value);
was_double_buffered = FRAME_X_DOUBLE_BUFFERED_P (f);
block_input ();
if (want_double_buffering != was_double_buffered)
/* Force XftDraw etc to be recreated with the new double
buffered drawable. */
font_drop_xrender_surfaces (f);
if (FRAME_X_DOUBLE_BUFFERED_P (f) && !want_double_buffering)
tear_down_x_back_buffer (f);
else if (!FRAME_X_DOUBLE_BUFFERED_P (f) && want_double_buffering)
set_up_x_back_buffer (f);
if (FRAME_X_DOUBLE_BUFFERED_P (f) != was_double_buffered)
{
SET_FRAME_GARBAGED (f);
font_drop_xrender_surfaces (f);
}
unblock_input ();
}
}
#endif
/**
* x_set_undecorated:
*
* Set frame F's `undecorated' parameter. If non-nil, F's window-system
* window is drawn without decorations, title, minimize/maximize boxes
* and external borders. This usually means that the window cannot be
* dragged, resized, iconified, maximized or deleted with the mouse. If
* nil, draw the frame with all the elements listed above unless these
* have been suspended via window manager settings.
*
* Some window managers may not honor this parameter.
*/
static void
x_set_undecorated (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
if (!EQ (new_value, old_value))
{
FRAME_UNDECORATED (f) = NILP (new_value) ? false : true;
#ifdef USE_GTK
xg_set_undecorated (f, new_value);
#else
Display *dpy = FRAME_X_DISPLAY (f);
PropMotifWmHints hints;
Atom prop = FRAME_DISPLAY_INFO (f)->Xatom_MOTIF_WM_HINTS;
memset (&hints, 0, sizeof(hints));
hints.flags = MWM_HINTS_DECORATIONS;
hints.decorations = NILP (new_value) ? MWM_DECOR_ALL : 0;
block_input ();
/* For some reason the third and fourth arguments in the following
call must be identical: In the corresponding XGetWindowProperty
call in getMotifHints, xfwm has the third and seventh args both
display_info->atoms[MOTIF_WM_HINTS]. Obviously, YMMV. */
XChangeProperty (dpy, FRAME_OUTER_WINDOW (f), prop, prop, 32,
PropModeReplace, (unsigned char *) &hints,
PROP_MOTIF_WM_HINTS_ELEMENTS);
unblock_input ();
#endif /* USE_GTK */
}
}
/**
* x_set_parent_frame:
*
* Set frame F's `parent-frame' parameter. If non-nil, make F a child
* frame of the frame specified by that parameter. Technically, this
* makes F's window-system window a child window of the parent frame's
* window-system window. If nil, make F's window-system window a
* top-level window--a child of its display's root window.
*
* A child frame is clipped at the native edges of its parent frame.
* Its `left' and `top' parameters specify positions relative to the
* top-left corner of its parent frame's native rectangle. Usually,
* moving a parent frame moves all its child frames too, keeping their
* position relative to the parent unaltered. When a parent frame is
* iconified or made invisible, its child frames are made invisible.
* When a parent frame is deleted, its child frames are deleted too.
*
* A visible child frame always appears on top of its parent frame thus
* obscuring parts of it. When a frame has more than one child frame,
* their stacking order is specified just as that of non-child frames
* relative to their display.
*
* Whether a child frame has a menu or tool bar may be window-system or
* window manager dependent. It's advisable to disable both via the
* frame parameter settings.
*
* Some window managers may not honor this parameter.
*/
static void
x_set_parent_frame (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
struct frame *p = NULL;
#ifdef HAVE_GTK3
GdkWindow *window;
#endif
if (!NILP (new_value)
&& (!FRAMEP (new_value)
|| !FRAME_LIVE_P (p = XFRAME (new_value))
|| !FRAME_X_P (p)))
{
store_frame_param (f, Qparent_frame, old_value);
error ("Invalid specification of `parent-frame'");
}
if (p != FRAME_PARENT_FRAME (f))
{
block_input ();
XReparentWindow
(FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
p ? FRAME_X_WINDOW (p) : FRAME_DISPLAY_INFO (f)->root_window,
f->left_pos, f->top_pos);
#ifdef USE_GTK
if (EQ (x_gtk_resize_child_frames, Qresize_mode))
gtk_container_set_resize_mode
(GTK_CONTAINER (FRAME_GTK_OUTER_WIDGET (f)),
p ? GTK_RESIZE_IMMEDIATE : GTK_RESIZE_QUEUE);
#endif
#ifdef HAVE_GTK3
if (p)
{
window = gtk_widget_get_window (FRAME_GTK_OUTER_WIDGET (f));
gdk_x11_window_set_frame_sync_enabled (window, FALSE);
}
#endif
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
/* Frame synchronization can't be used in child frames since
they are not directly managed by the compositing manager.
Re-enabling vsync in former child frames also leads to
inconsistent display. In addition, they can only be updated
outside of a toplevel frame. */
FRAME_X_OUTPUT (f)->use_vsync_p = false;
FRAME_X_WAITING_FOR_DRAW (f) = false;
#endif
unblock_input ();
fset_parent_frame (f, new_value);
}
}
/**
* x_set_no_focus_on_map:
*
* Set frame F's `no-focus-on-map' parameter which, if non-nil, means
* that F's window-system window does not want to receive input focus
* when it is mapped. (A frame's window is mapped when the frame is
* displayed for the first time and when the frame changes its state
* from `iconified' or `invisible' to `visible'.)
*
* Some window managers may not honor this parameter.
*/
static void
x_set_no_focus_on_map (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
if (!EQ (new_value, old_value))
{
#ifdef USE_GTK
xg_set_no_focus_on_map (f, new_value);
#else /* not USE_GTK */
Display *dpy = FRAME_X_DISPLAY (f);
Atom prop = FRAME_DISPLAY_INFO (f)->Xatom_net_wm_user_time;
Time timestamp = NILP (new_value) ? CurrentTime : 0;
XChangeProperty (dpy, FRAME_OUTER_WINDOW (f), prop,
XA_CARDINAL, 32, PropModeReplace,
(unsigned char *) ×tamp, 1);
#endif /* USE_GTK */
FRAME_NO_FOCUS_ON_MAP (f) = !NILP (new_value);
}
}
/**
* x_set_no_accept_focus:
*
* Set frame F's `no-accept-focus' parameter which, if non-nil, hints
* that F's window-system window does not want to receive input focus
* via mouse clicks or by moving the mouse into it.
*
* If non-nil, this may have the unwanted side-effect that a user cannot
* scroll a non-selected frame with the mouse.
*
* Some window managers may not honor this parameter.
*/
static void
x_set_no_accept_focus (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
if (!EQ (new_value, old_value))
{
#ifdef USE_GTK
xg_set_no_accept_focus (f, new_value);
#else /* not USE_GTK */
#ifdef USE_X_TOOLKIT
Arg al[1];
XtSetArg (al[0], XtNinput, NILP (new_value) ? True : False);
XtSetValues (f->output_data.x->widget, al, 1);
#else /* not USE_X_TOOLKIT */
Window window = FRAME_X_WINDOW (f);
f->output_data.x->wm_hints.input = NILP (new_value) ? True : False;
XSetWMHints (FRAME_X_DISPLAY (f), window, &f->output_data.x->wm_hints);
#endif /* USE_X_TOOLKIT */
#endif /* USE_GTK */
FRAME_NO_ACCEPT_FOCUS (f) = !NILP (new_value);
}
}
/**
* x_set_override_redirect:
*
* Set frame F's `override_redirect' parameter which, if non-nil, hints
* that the window manager doesn't want to deal with F. Usually, such
* frames have no decorations and always appear on top of all frames.
*
* Some window managers may not honor this parameter.
*/
static void
x_set_override_redirect (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
if (!EQ (new_value, old_value))
{
/* Here (xfwm) override_redirect can be changed for invisible
frames only. */
x_make_frame_invisible (f);
#ifdef USE_GTK
xg_set_override_redirect (f, new_value);
#else /* not USE_GTK */
XSetWindowAttributes attributes;
attributes.override_redirect = NILP (new_value) ? False : True;
XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
CWOverrideRedirect, &attributes);
#endif
x_make_frame_visible (f);
FRAME_OVERRIDE_REDIRECT (f) = !NILP (new_value);
}
}
#ifdef USE_GTK
/* Set icon from FILE for frame F. By using GTK functions the icon
may be any format that GdkPixbuf knows about, i.e. not just bitmaps. */
bool
xg_set_icon (struct frame *f, Lisp_Object file)
{
bool result = false;
Lisp_Object found;
found = image_find_image_file (file);
if (! NILP (found))
{
GdkPixbuf *pixbuf;
GError *err = NULL;
char *filename = SSDATA (ENCODE_FILE (found));
block_input ();
pixbuf = gdk_pixbuf_new_from_file (filename, &err);
if (pixbuf)
{
gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)),
pixbuf);
g_object_unref (pixbuf);
result = true;
}
else
g_error_free (err);
unblock_input ();
}
return result;
}
bool
xg_set_icon_from_xpm_data (struct frame *f, const char **data)
{
GdkPixbuf *pixbuf = gdk_pixbuf_new_from_xpm_data (data);
if (!pixbuf)
return false;
gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), pixbuf);
g_object_unref (pixbuf);
return true;
}
#endif /* USE_GTK */
/* Functions called only from `gui_set_frame_parameters'
to set individual parameters.
If FRAME_X_WINDOW (f) is 0,
the frame is being created and its X-window does not exist yet.
In that case, just record the parameter's new value
in the standard place; do not attempt to change the window. */
static void
x_set_foreground_color (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
struct x_output *x = f->output_data.x;
unsigned long fg, old_fg;
fg = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
old_fg = FRAME_FOREGROUND_PIXEL (f);
FRAME_FOREGROUND_PIXEL (f) = fg;
if (FRAME_X_WINDOW (f) != 0)
{
Display *dpy = FRAME_X_DISPLAY (f);
block_input ();
XSetForeground (dpy, x->normal_gc, fg);
XSetBackground (dpy, x->reverse_gc, fg);
if (x->cursor_pixel == old_fg)
{
unload_color (f, x->cursor_pixel);
x->cursor_pixel = x_copy_color (f, fg);
XSetBackground (dpy, x->cursor_gc, x->cursor_pixel);
}
unblock_input ();
update_face_from_frame_parameter (f, Qforeground_color, arg);
if (FRAME_VISIBLE_P (f))
redraw_frame (f);
}
unload_color (f, old_fg);
}
static void
x_set_background_color (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
struct x_output *x = f->output_data.x;
unsigned long bg;
bg = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f));
unload_color (f, FRAME_BACKGROUND_PIXEL (f));
FRAME_BACKGROUND_PIXEL (f) = bg;
if (FRAME_X_WINDOW (f) != 0)
{
Display *dpy = FRAME_X_DISPLAY (f);
block_input ();
XSetBackground (dpy, x->normal_gc, bg);
XSetForeground (dpy, x->reverse_gc, bg);
XSetWindowBackground (dpy, FRAME_X_WINDOW (f), bg);
XSetForeground (dpy, x->cursor_gc, bg);
#ifdef USE_GTK
xg_set_background_color (f, bg);
#endif
unblock_input ();
update_face_from_frame_parameter (f, Qbackground_color, arg);
if (FRAME_VISIBLE_P (f))
redraw_frame (f);
}
}
/* This array must stay in sync with the mouse_cursor_types array below! */
enum mouse_cursor {
mouse_cursor_text,
mouse_cursor_nontext,
mouse_cursor_hourglass,
mouse_cursor_mode,
mouse_cursor_hand,
mouse_cursor_horizontal_drag,
mouse_cursor_vertical_drag,
mouse_cursor_left_edge,
mouse_cursor_top_left_corner,
mouse_cursor_top_edge,
mouse_cursor_top_right_corner,
mouse_cursor_right_edge,
mouse_cursor_bottom_right_corner,
mouse_cursor_bottom_edge,
mouse_cursor_bottom_left_corner,
mouse_cursor_max
};
struct mouse_cursor_types {
/* Printable name for error messages (optional). */
const char *name;
/* Lisp variable controlling the cursor shape. */
/* FIXME: A couple of these variables are defined in the C code but
are not actually accessible from Lisp. They should probably be
made accessible or removed. */
Lisp_Object *shape_var_ptr;
/* The default shape. */
int default_shape;
};
/* This array must stay in sync with enum mouse_cursor above! */
static const struct mouse_cursor_types mouse_cursor_types[] =
{
{ "text", &Vx_pointer_shape, XC_xterm },
{ "nontext", &Vx_nontext_pointer_shape, XC_left_ptr },
{ "hourglass", &Vx_hourglass_pointer_shape, XC_watch },
{ "modeline", &Vx_mode_pointer_shape, XC_xterm },
{ NULL, &Vx_sensitive_text_pointer_shape, XC_hand2 },
{ NULL, &Vx_window_horizontal_drag_shape, XC_sb_h_double_arrow },
{ NULL, &Vx_window_vertical_drag_shape, XC_sb_v_double_arrow },
{ NULL, &Vx_window_left_edge_shape, XC_left_side },
{ NULL, &Vx_window_top_left_corner_shape, XC_top_left_corner },
{ NULL, &Vx_window_top_edge_shape, XC_top_side },
{ NULL, &Vx_window_top_right_corner_shape, XC_top_right_corner },
{ NULL, &Vx_window_right_edge_shape, XC_right_side },
{ NULL, &Vx_window_bottom_right_corner_shape, XC_bottom_right_corner },
{ NULL, &Vx_window_bottom_edge_shape, XC_bottom_side },
{ NULL, &Vx_window_bottom_left_corner_shape, XC_bottom_left_corner },
};
struct mouse_cursor_data
{
/* Last index for which XCreateFontCursor has been called, and thus
the last index for which x_request_serial[] is valid. */
int last_cursor_create_request;
/* Last index for which an X error event was received in response to
attempting to create the cursor. */
int error_cursor;
/* Cursor numbers chosen. */
unsigned int cursor_num[mouse_cursor_max];
/* Allocated Cursor values, or zero for failed attempts. */
Cursor cursor[mouse_cursor_max];
/* X serial numbers for the first request sent by XCreateFontCursor.
Note that there may be more than one request sent. */
unsigned long x_request_serial[mouse_cursor_max];
/* If an error has been received, a pointer to where the current
error-message text is stored. */
char *error_string;
};
static void
x_set_mouse_color_handler (Display *dpy, XErrorEvent *event,
char *error_string, void *data)
{
struct mouse_cursor_data *cursor_data = data;
int i;
cursor_data->error_cursor = -1;
cursor_data->error_string = error_string;
for (i = 0; i < cursor_data->last_cursor_create_request; i++)
{
if (event->serial >= cursor_data->x_request_serial[i])
cursor_data->error_cursor = i;
}
if (cursor_data->error_cursor >= 0)
/* If we failed to allocate it, don't try to free it. */
cursor_data->cursor[cursor_data->error_cursor] = 0;
}
static void
x_set_mouse_color (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
struct x_output *x = f->output_data.x;
Display *dpy = FRAME_X_DISPLAY (f);
struct mouse_cursor_data cursor_data = { -1, -1 };
unsigned long pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
unsigned long mask_color = FRAME_BACKGROUND_PIXEL (f);
int i;
/* Don't let pointers be invisible. */
if (mask_color == pixel)
{
x_free_colors (f, &pixel, 1);
pixel = x_copy_color (f, FRAME_FOREGROUND_PIXEL (f));
}
unload_color (f, x->mouse_pixel);
x->mouse_pixel = pixel;
for (i = 0; i < mouse_cursor_max; i++)
{
Lisp_Object shape_var = *mouse_cursor_types[i].shape_var_ptr;
cursor_data.cursor_num[i]
= (!NILP (shape_var)
? check_uinteger_max (shape_var, UINT_MAX)
: mouse_cursor_types[i].default_shape);
}
block_input ();
/* It's not okay to crash if the user selects a screwy cursor. */
x_catch_errors_with_handler (dpy, x_set_mouse_color_handler, &cursor_data);
for (i = 0; i < mouse_cursor_max; i++)
{
cursor_data.x_request_serial[i] = XNextRequest (dpy);
cursor_data.last_cursor_create_request = i;
cursor_data.cursor[i]
= x_create_font_cursor (FRAME_DISPLAY_INFO (f),
cursor_data.cursor_num[i]);
}
/* Now sync up and process all received errors from cursor
creation. */
if (x_had_errors_p (dpy))
{
const char *bad_cursor_name = NULL;
/* Bounded by X_ERROR_MESSAGE_SIZE in xterm.c. */
size_t message_length = strlen (cursor_data.error_string);
char *xmessage = alloca (1 + message_length);
memcpy (xmessage, cursor_data.error_string, message_length);
x_uncatch_errors ();
/* Free any successfully created cursors. */
for (i = 0; i < mouse_cursor_max; i++)
if (cursor_data.cursor[i] != 0)
XFreeCursor (dpy, cursor_data.cursor[i]);
/* This should only be able to fail if the server's serial
number tracking is broken. */
if (cursor_data.error_cursor >= 0)
bad_cursor_name = mouse_cursor_types[cursor_data.error_cursor].name;
if (bad_cursor_name)
error ("bad %s pointer cursor: %s", bad_cursor_name, xmessage);
else
error ("can't set cursor shape: %s", xmessage);
}
x_uncatch_errors_after_check ();
{
XColor colors[2]; /* 0=foreground, 1=background */
colors[0].pixel = x->mouse_pixel;
colors[1].pixel = mask_color;
x_query_colors (f, colors, 2);
for (i = 0; i < mouse_cursor_max; i++)
XRecolorCursor (dpy, cursor_data.cursor[i], &colors[0], &colors[1]);
}
if (FRAME_X_WINDOW (f) != 0)
{
f->output_data.x->current_cursor = cursor_data.cursor[mouse_cursor_text];
XDefineCursor (dpy, FRAME_X_WINDOW (f),
f->output_data.x->current_cursor);
}
#define INSTALL_CURSOR(FIELD, SHORT_INDEX) \
eassert (x->FIELD != cursor_data.cursor[mouse_cursor_ ## SHORT_INDEX]); \
if (x->FIELD != 0) \
XFreeCursor (dpy, x->FIELD); \
x->FIELD = cursor_data.cursor[mouse_cursor_ ## SHORT_INDEX];
INSTALL_CURSOR (text_cursor, text);
INSTALL_CURSOR (nontext_cursor, nontext);
INSTALL_CURSOR (hourglass_cursor, hourglass);
INSTALL_CURSOR (modeline_cursor, mode);
INSTALL_CURSOR (hand_cursor, hand);
INSTALL_CURSOR (horizontal_drag_cursor, horizontal_drag);
INSTALL_CURSOR (vertical_drag_cursor, vertical_drag);
INSTALL_CURSOR (left_edge_cursor, left_edge);
INSTALL_CURSOR (top_left_corner_cursor, top_left_corner);
INSTALL_CURSOR (top_edge_cursor, top_edge);
INSTALL_CURSOR (top_right_corner_cursor, top_right_corner);
INSTALL_CURSOR (right_edge_cursor, right_edge);
INSTALL_CURSOR (bottom_right_corner_cursor, bottom_right_corner);
INSTALL_CURSOR (bottom_edge_cursor, bottom_edge);
INSTALL_CURSOR (bottom_left_corner_cursor, bottom_left_corner);
#undef INSTALL_CURSOR
XFlush (dpy);
unblock_input ();
update_face_from_frame_parameter (f, Qmouse_color, arg);
}
static void
x_set_cursor_color (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
unsigned long fore_pixel, pixel;
bool fore_pixel_allocated_p = false, pixel_allocated_p = false;
struct x_output *x = f->output_data.x;
if (!NILP (Vx_cursor_fore_pixel))
{
fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel,
WHITE_PIX_DEFAULT (f));
fore_pixel_allocated_p = true;
}
else
fore_pixel = FRAME_BACKGROUND_PIXEL (f);
pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
pixel_allocated_p = true;
/* Make sure that the cursor color differs from the background color. */
if (pixel == FRAME_BACKGROUND_PIXEL (f))
{
if (pixel_allocated_p)
{
x_free_colors (f, &pixel, 1);
pixel_allocated_p = false;
}
pixel = x->mouse_pixel;
if (pixel == fore_pixel)
{
if (fore_pixel_allocated_p)
{
x_free_colors (f, &fore_pixel, 1);
fore_pixel_allocated_p = false;
}
fore_pixel = FRAME_BACKGROUND_PIXEL (f);
}
}
unload_color (f, x->cursor_foreground_pixel);
if (!fore_pixel_allocated_p)
fore_pixel = x_copy_color (f, fore_pixel);
x->cursor_foreground_pixel = fore_pixel;
unload_color (f, x->cursor_pixel);
if (!pixel_allocated_p)
pixel = x_copy_color (f, pixel);
x->cursor_pixel = pixel;
if (FRAME_X_WINDOW (f) != 0)
{
block_input ();
XSetBackground (FRAME_X_DISPLAY (f), x->cursor_gc, x->cursor_pixel);
XSetForeground (FRAME_X_DISPLAY (f), x->cursor_gc, fore_pixel);
unblock_input ();
if (FRAME_VISIBLE_P (f))
{
gui_update_cursor (f, false);
gui_update_cursor (f, true);
}
}
update_face_from_frame_parameter (f, Qcursor_color, arg);
}
\f
/* Set the border-color of frame F to pixel value PIX.
Note that this does not fully take effect if done before
F has an x-window. */
static void
x_set_border_pixel (struct frame *f, unsigned long pix)
{
unload_color (f, f->output_data.x->border_pixel);
f->output_data.x->border_pixel = pix;
#ifdef USE_X_TOOLKIT
if (f->output_data.x->widget && f->border_width > 0)
{
block_input ();
XtVaSetValues (f->output_data.x->widget, XtNborderColor,
(Pixel) pix, NULL);
unblock_input ();
if (FRAME_VISIBLE_P (f))
redraw_frame (f);
return;
}
#endif
if (FRAME_X_WINDOW (f) != 0 && f->border_width > 0)
{
block_input ();
XSetWindowBorder (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), pix);
unblock_input ();
if (FRAME_VISIBLE_P (f))
redraw_frame (f);
}
}
/* Set the border-color of frame F to value described by ARG.
ARG can be a string naming a color.
The border-color is used for the border that is drawn by the X server.
Note that this does not fully take effect if done before
F has an x-window; it must be redone when the window is created.
Note: this is done in two routines because of the way X10 works.
Note: under X11, this is normally the province of the window manager,
and so emacs's border colors may be overridden. */
static void
x_set_border_color (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
unsigned long pix;
CHECK_STRING (arg);
pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
x_set_border_pixel (f, pix);
update_face_from_frame_parameter (f, Qborder_color, arg);
}
static void
x_set_cursor_type (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
set_frame_cursor_types (f, arg);
}
static void
x_set_icon_type (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
bool result;
if (STRINGP (arg))
{
if (STRINGP (oldval) && BASE_EQ (Fstring_equal (oldval, arg), Qt))
return;
}
else if (!STRINGP (oldval) && NILP (oldval) == NILP (arg))
return;
block_input ();
if (NILP (arg))
result = x_text_icon (f,
SSDATA ((!NILP (f->icon_name)
? f->icon_name
: f->name)));
else
result = FRAME_TERMINAL (f)->set_bitmap_icon_hook (f, arg);
if (result)
{
unblock_input ();
error ("No icon window available");
}
XFlush (FRAME_X_DISPLAY (f));
unblock_input ();
}
static void
x_set_icon_name (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
bool result;
if (STRINGP (arg))
{
if (STRINGP (oldval) && BASE_EQ (Fstring_equal (oldval, arg), Qt))
return;
}
else if (!NILP (arg) || NILP (oldval))
return;
fset_icon_name (f, arg);
if (f->output_data.x->icon_bitmap != 0)
return;
block_input ();
result = x_text_icon (f,
SSDATA ((!NILP (f->icon_name)
? f->icon_name
: !NILP (f->title)
? f->title
: f->name)));
if (result)
{
unblock_input ();
error ("No icon window available");
}
XFlush (FRAME_X_DISPLAY (f));
unblock_input ();
}
\f
static void
x_set_menu_bar_lines (struct frame *f, Lisp_Object value, Lisp_Object oldval)
{
int nlines;
#if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
int olines = FRAME_MENU_BAR_LINES (f);
#endif
/* Right now, menu bars don't work properly in minibuf-only frames;
most of the commands try to apply themselves to the minibuffer
frame itself, and get an error because you can't switch buffers
in or split the minibuffer window. */
if (FRAME_MINIBUF_ONLY_P (f) || FRAME_PARENT_FRAME (f))
return;
if (TYPE_RANGED_FIXNUMP (int, value))
nlines = XFIXNUM (value);
else
nlines = 0;
/* Make sure we redisplay all windows in this frame. */
fset_redisplay (f);
#if defined (USE_X_TOOLKIT) || defined (USE_GTK)
FRAME_MENU_BAR_LINES (f) = 0;
FRAME_MENU_BAR_HEIGHT (f) = 0;
if (nlines)
{
FRAME_EXTERNAL_MENU_BAR (f) = 1;
if (FRAME_X_P (f) && f->output_data.x->menubar_widget == 0)
/* Make sure next redisplay shows the menu bar. */
XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = true;
}
else
{
if (FRAME_EXTERNAL_MENU_BAR (f) == 1)
free_frame_menubar (f);
FRAME_EXTERNAL_MENU_BAR (f) = 0;
if (FRAME_X_P (f))
f->output_data.x->menubar_widget = 0;
}
#else /* not USE_X_TOOLKIT && not USE_GTK */
FRAME_MENU_BAR_LINES (f) = nlines;
FRAME_MENU_BAR_HEIGHT (f) = nlines * FRAME_LINE_HEIGHT (f);
if (FRAME_X_WINDOW (f))
x_clear_under_internal_border (f);
/* If the menu bar height gets changed, the internal border below
the top margin has to be cleared. Also, if the menu bar gets
larger, the area for the added lines has to be cleared except for
the first menu bar line that is to be drawn later. */
if (nlines != olines)
{
int height = FRAME_INTERNAL_BORDER_WIDTH (f);
int width = FRAME_PIXEL_WIDTH (f);
int y;
adjust_frame_size (f, -1, -1, 3, true, Qmenu_bar_lines);
/* height can be zero here. */
if (FRAME_X_WINDOW (f) && height > 0 && width > 0)
{
y = FRAME_TOP_MARGIN_HEIGHT (f);
block_input ();
x_clear_area (f, 0, y, width, height);
unblock_input ();
}
if (nlines > 1 && nlines > olines)
{
y = (olines == 0 ? 1 : olines) * FRAME_LINE_HEIGHT (f);
height = nlines * FRAME_LINE_HEIGHT (f) - y;
block_input ();
x_clear_area (f, 0, y, width, height);
unblock_input ();
}
if (nlines == 0 && WINDOWP (f->menu_bar_window))
clear_glyph_matrix (XWINDOW (f->menu_bar_window)->current_matrix);
}
#endif /* not USE_X_TOOLKIT && not USE_GTK */
adjust_frame_glyphs (f);
}
/* Set the number of lines used for the tab bar of frame F to VALUE.
VALUE not an integer, or < 0 means set the lines to zero. OLDVAL
is the old number of tab bar lines. This function may change the
height of all windows on frame F to match the new tab bar height.
The frame's height may change if frame_inhibit_implied_resize was
set accordingly. */
static void
x_set_tab_bar_lines (struct frame *f, Lisp_Object value, Lisp_Object oldval)
{
int olines = FRAME_TAB_BAR_LINES (f);
int nlines;
/* Treat tab bars like menu bars. */
if (FRAME_MINIBUF_ONLY_P (f))
return;
/* Use VALUE only if an int >= 0. */
if (RANGED_FIXNUMP (0, value, INT_MAX))
nlines = XFIXNAT (value);
else
nlines = 0;
if (nlines != olines && (olines == 0 || nlines == 0))
x_change_tab_bar_height (f, nlines * FRAME_LINE_HEIGHT (f));
}
/* Set the pixel height of the tab bar of frame F to HEIGHT. */
void
x_change_tab_bar_height (struct frame *f, int height)
{
int unit = FRAME_LINE_HEIGHT (f);
int old_height = FRAME_TAB_BAR_HEIGHT (f);
int lines = (height + unit - 1) / unit;
Lisp_Object fullscreen = get_frame_param (f, Qfullscreen);
/* Make sure we redisplay all windows in this frame. */
fset_redisplay (f);
/* Recalculate tab bar and frame text sizes. */
FRAME_TAB_BAR_HEIGHT (f) = height;
FRAME_TAB_BAR_LINES (f) = lines;
store_frame_param (f, Qtab_bar_lines, make_fixnum (lines));
if (FRAME_X_WINDOW (f) && FRAME_TAB_BAR_HEIGHT (f) == 0)
{
clear_frame (f);
clear_current_matrices (f);
}
if ((height < old_height) && WINDOWP (f->tab_bar_window))
clear_glyph_matrix (XWINDOW (f->tab_bar_window)->current_matrix);
if (!f->tab_bar_resized)
{
/* As long as tab_bar_resized is false, effectively try to change
F's native height. */
if (NILP (fullscreen) || EQ (fullscreen, Qfullwidth))
adjust_frame_size (f, FRAME_TEXT_WIDTH (f), FRAME_TEXT_HEIGHT (f),
1, false, Qtab_bar_lines);
else
adjust_frame_size (f, -1, -1, 4, false, Qtab_bar_lines);
f->tab_bar_resized = f->tab_bar_redisplayed;
}
else
/* Any other change may leave the native size of F alone. */
adjust_frame_size (f, -1, -1, 3, false, Qtab_bar_lines);
/* adjust_frame_size might not have done anything, garbage frame
here. */
adjust_frame_glyphs (f);
SET_FRAME_GARBAGED (f);
if (FRAME_X_WINDOW (f))
x_clear_under_internal_border (f);
}
/* Set the number of lines used for the tool bar of frame F to VALUE.
VALUE not an integer, or < 0 means set the lines to zero. OLDVAL
is the old number of tool bar lines. This function changes the
height of all windows on frame F to match the new tool bar height.
The frame's height doesn't change. */
static void
x_set_tool_bar_lines (struct frame *f, Lisp_Object value, Lisp_Object oldval)
{
int nlines;
/* Treat tool bars like menu bars. */
if (FRAME_MINIBUF_ONLY_P (f))
return;
/* Use VALUE only if an int >= 0. */
if (RANGED_FIXNUMP (0, value, INT_MAX))
nlines = XFIXNAT (value);
else
nlines = 0;
x_change_tool_bar_height (f, nlines * FRAME_LINE_HEIGHT (f));
}
/* Set the pixel height of the tool bar of frame F to HEIGHT. */
void
x_change_tool_bar_height (struct frame *f, int height)
{
#ifdef USE_GTK
FRAME_TOOL_BAR_LINES (f) = 0;
FRAME_TOOL_BAR_HEIGHT (f) = 0;
if (height)
{
FRAME_EXTERNAL_TOOL_BAR (f) = true;
if (FRAME_X_P (f) && f->output_data.x->toolbar_widget == 0)
/* Make sure next redisplay shows the tool bar. */
XWINDOW (FRAME_SELECTED_WINDOW (f))->update_mode_line = true;
update_frame_tool_bar (f);
}
else
{
if (FRAME_EXTERNAL_TOOL_BAR (f))
free_frame_tool_bar (f);
FRAME_EXTERNAL_TOOL_BAR (f) = false;
}
#else /* !USE_GTK */
int unit = FRAME_LINE_HEIGHT (f);
int old_height = FRAME_TOOL_BAR_HEIGHT (f);
int lines = (height + unit - 1) / unit;
Lisp_Object fullscreen = get_frame_param (f, Qfullscreen);
/* Make sure we redisplay all windows in this frame. */
fset_redisplay (f);
FRAME_TOOL_BAR_HEIGHT (f) = height;
FRAME_TOOL_BAR_LINES (f) = lines;
store_frame_param (f, Qtool_bar_lines, make_fixnum (lines));
if (FRAME_X_WINDOW (f) && FRAME_TOOL_BAR_HEIGHT (f) == 0)
{
clear_frame (f);
clear_current_matrices (f);
}
if ((height < old_height) && WINDOWP (f->tool_bar_window))
clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix);
if (!f->tool_bar_resized)
{
/* As long as tool_bar_resized is false, effectively try to change
F's native height. */
if (NILP (fullscreen) || EQ (fullscreen, Qfullwidth))
adjust_frame_size (f, FRAME_TEXT_WIDTH (f), FRAME_TEXT_HEIGHT (f),
1, false, Qtool_bar_lines);
else
adjust_frame_size (f, -1, -1, 4, false, Qtool_bar_lines);
f->tool_bar_resized = f->tool_bar_redisplayed;
}
else
/* Any other change may leave the native size of F alone. */
adjust_frame_size (f, -1, -1, 3, false, Qtool_bar_lines);
/* adjust_frame_size might not have done anything, garbage frame
here. */
adjust_frame_glyphs (f);
SET_FRAME_GARBAGED (f);
if (FRAME_X_WINDOW (f))
x_clear_under_internal_border (f);
#endif /* USE_GTK */
}
static void
x_set_child_frame_border_width (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
int border;
if (NILP (arg))
border = -1;
else if (RANGED_FIXNUMP (0, arg, INT_MAX))
border = XFIXNAT (arg);
else
signal_error ("Invalid child frame border width", arg);
if (border != FRAME_CHILD_FRAME_BORDER_WIDTH (f))
{
f->child_frame_border_width = border;
#ifdef USE_X_TOOLKIT
if (FRAME_X_OUTPUT (f)->edit_widget)
widget_store_internal_border (FRAME_X_OUTPUT (f)->edit_widget);
#endif
if (FRAME_X_WINDOW (f))
{
adjust_frame_size (f, -1, -1, 3, false, Qchild_frame_border_width);
x_clear_under_internal_border (f);
}
}
}
static void
x_set_internal_border_width (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
int border = check_int_nonnegative (arg);
if (border != FRAME_INTERNAL_BORDER_WIDTH (f))
{
f->internal_border_width = border;
#ifdef USE_X_TOOLKIT
if (FRAME_X_OUTPUT (f)->edit_widget)
widget_store_internal_border (FRAME_X_OUTPUT (f)->edit_widget);
#endif
if (FRAME_X_WINDOW (f))
{
adjust_frame_size (f, -1, -1, 3, false, Qinternal_border_width);
x_clear_under_internal_border (f);
}
}
}
/* Set the foreground color for scroll bars on frame F to VALUE.
VALUE should be a string, a color name. If it isn't a string or
isn't a valid color name, do nothing. OLDVAL is the old value of
the frame parameter. */
static void
x_set_scroll_bar_foreground (struct frame *f, Lisp_Object value, Lisp_Object oldval)
{
unsigned long pixel;
#ifdef HAVE_GTK3
XColor color;
char css[64];
#endif
if (STRINGP (value))
pixel = x_decode_color (f, value, BLACK_PIX_DEFAULT (f));
else
pixel = -1;
if (f->output_data.x->scroll_bar_foreground_pixel != -1)
unload_color (f, f->output_data.x->scroll_bar_foreground_pixel);
f->output_data.x->scroll_bar_foreground_pixel = pixel;
if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f))
{
/* Remove all scroll bars because they have wrong colors. */
if (FRAME_TERMINAL (f)->condemn_scroll_bars_hook)
(*FRAME_TERMINAL (f)->condemn_scroll_bars_hook) (f);
if (FRAME_TERMINAL (f)->judge_scroll_bars_hook)
(*FRAME_TERMINAL (f)->judge_scroll_bars_hook) (f);
update_face_from_frame_parameter (f, Qscroll_bar_foreground, value);
redraw_frame (f);
}
#ifdef HAVE_GTK3
if (!FRAME_TOOLTIP_P (f))
{
if (pixel != -1)
{
color.pixel = pixel;
XQueryColor (FRAME_X_DISPLAY (f),
FRAME_X_COLORMAP (f),
&color);
sprintf (css, "scrollbar slider { background-color: #%02x%02x%02x; }",
color.red >> 8, color.green >> 8, color.blue >> 8);
gtk_css_provider_load_from_data (FRAME_X_OUTPUT (f)->scrollbar_foreground_css_provider,
css, -1, NULL);
}
else
gtk_css_provider_load_from_data (FRAME_X_OUTPUT (f)->scrollbar_foreground_css_provider,
"", -1, NULL);
}
#endif
}
/* Set the background color for scroll bars on frame F to VALUE VALUE
should be a string, a color name. If it isn't a string or isn't a
valid color name, do nothing. OLDVAL is the old value of the frame
parameter. */
static void
x_set_scroll_bar_background (struct frame *f, Lisp_Object value, Lisp_Object oldval)
{
unsigned long pixel;
#ifdef HAVE_GTK3
XColor color;
char css[64];
#endif
if (STRINGP (value))
pixel = x_decode_color (f, value, WHITE_PIX_DEFAULT (f));
else
pixel = -1;
if (f->output_data.x->scroll_bar_background_pixel != -1)
unload_color (f, f->output_data.x->scroll_bar_background_pixel);
#if defined (USE_LUCID) && defined (USE_TOOLKIT_SCROLL_BARS)
/* Scrollbar shadow colors. */
if (f->output_data.x->scroll_bar_top_shadow_pixel != -1)
{
unload_color (f, f->output_data.x->scroll_bar_top_shadow_pixel);
f->output_data.x->scroll_bar_top_shadow_pixel = -1;
}
if (f->output_data.x->scroll_bar_bottom_shadow_pixel != -1)
{
unload_color (f, f->output_data.x->scroll_bar_bottom_shadow_pixel);
f->output_data.x->scroll_bar_bottom_shadow_pixel = -1;
}
#endif /* USE_LUCID && USE_TOOLKIT_SCROLL_BARS */
f->output_data.x->scroll_bar_background_pixel = pixel;
if (FRAME_X_WINDOW (f) && FRAME_VISIBLE_P (f))
{
/* Remove all scroll bars because they have wrong colors. */
if (FRAME_TERMINAL (f)->condemn_scroll_bars_hook)
(*FRAME_TERMINAL (f)->condemn_scroll_bars_hook) (f);
if (FRAME_TERMINAL (f)->judge_scroll_bars_hook)
(*FRAME_TERMINAL (f)->judge_scroll_bars_hook) (f);
update_face_from_frame_parameter (f, Qscroll_bar_background, value);
redraw_frame (f);
}
#ifdef HAVE_GTK3
if (!FRAME_TOOLTIP_P (f))
{
if (pixel != -1)
{
color.pixel = pixel;
XQueryColor (FRAME_X_DISPLAY (f),
FRAME_X_COLORMAP (f),
&color);
sprintf (css, "scrollbar trough { background-color: #%02x%02x%02x; }",
color.red >> 8, color.green >> 8, color.blue >> 8);
gtk_css_provider_load_from_data (FRAME_X_OUTPUT (f)->scrollbar_background_css_provider,
css, -1, NULL);
}
else
gtk_css_provider_load_from_data (FRAME_X_OUTPUT (f)->scrollbar_background_css_provider,
"", -1, NULL);
}
#endif
}
\f
/* Encode Lisp string STRING as a text in a format appropriate for
the ICCCM (Inter Client Communication Conventions Manual).
If STRING contains only ASCII characters, do no conversion and
return the string data of STRING. Otherwise, encode the text by
CODING_SYSTEM, and return a newly allocated memory area which
should be freed by `xfree' by a caller.
Store the byte length of resulting text in *TEXT_BYTES.
If the text contains only ASCII and Latin-1, store true in *STRING_P,
which means that the `encoding' of the result can be `STRING'.
Otherwise store false in *STRINGP, which means that the `encoding' of
the result should be `COMPOUND_TEXT'. */
static unsigned char *
x_encode_text (Lisp_Object string, Lisp_Object coding_system,
ptrdiff_t *text_bytes, bool *stringp, bool *freep)
{
int result = string_xstring_p (string);
struct coding_system coding;
if (result == 0)
{
/* No multibyte character in OBJ. We need not encode it. */
*text_bytes = SBYTES (string);
*stringp = true;
*freep = false;
return SDATA (string);
}
setup_coding_system (coding_system, &coding);
coding.mode |= (CODING_MODE_SAFE_ENCODING | CODING_MODE_LAST_BLOCK);
/* We suppress producing escape sequences for composition. */
coding.common_flags &= ~CODING_ANNOTATION_MASK;
coding.destination = xnmalloc (SCHARS (string), 2);
coding.dst_bytes = SCHARS (string) * 2;
encode_coding_object (&coding, string, 0, 0,
SCHARS (string), SBYTES (string), Qnil);
*text_bytes = coding.produced;
*stringp = (result == 1 || !EQ (coding_system, Qcompound_text));
*freep = true;
return coding.destination;
}
\f
/* Set the WM name to NAME for frame F. Also set the icon name.
If the frame already has an icon name, use that, otherwise set the
icon name to NAME. */
static void
x_set_name_internal (struct frame *f, Lisp_Object name)
{
if (FRAME_X_WINDOW (f))
{
block_input ();
{
XTextProperty text, icon;
ptrdiff_t bytes;
bool stringp;
bool do_free_icon_value = false, do_free_text_value = false;
Lisp_Object coding_system;
Lisp_Object encoded_name;
Lisp_Object encoded_icon_name;
/* As ENCODE_UTF_8 may cause GC and relocation of string data,
we use it before x_encode_text that may return string data. */
encoded_name = ENCODE_UTF_8 (name);
coding_system = Qcompound_text;
/* Note: Encoding strategy
We encode NAME by compound-text and use "COMPOUND-TEXT" in
text.encoding. But, there are non-internationalized window
managers which don't support that encoding. So, if NAME
contains only ASCII and 8859-1 characters, encode it by
iso-latin-1, and use "STRING" in text.encoding hoping that
such window managers at least analyze this format correctly,
i.e. treat 8-bit bytes as 8859-1 characters.
We may also be able to use "UTF8_STRING" in text.encoding
in the future which can encode all Unicode characters.
But, for the moment, there's no way to know that the
current window manager supports it or not.
Either way, we also set the _NET_WM_NAME and _NET_WM_ICON_NAME
properties. Per the EWMH specification, those two properties
are always UTF8_STRING. This matches what gtk_window_set_title()
does in the USE_GTK case. */
text.value = x_encode_text (name, coding_system, &bytes,
&stringp, &do_free_text_value);
text.encoding = (stringp ? XA_STRING
: FRAME_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT);
text.format = 8;
text.nitems = bytes;
if (!STRINGP (f->icon_name))
{
icon = text;
encoded_icon_name = encoded_name;
}
else
{
/* See the above comment "Note: Encoding strategy". */
icon.value = x_encode_text (f->icon_name, coding_system, &bytes,
&stringp, &do_free_icon_value);
icon.encoding = (stringp ? XA_STRING
: FRAME_DISPLAY_INFO (f)->Xatom_COMPOUND_TEXT);
icon.format = 8;
icon.nitems = bytes;
encoded_icon_name = ENCODE_UTF_8 (f->icon_name);
}
#ifdef USE_GTK
gtk_window_set_title (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)),
SSDATA (encoded_name));
#else /* not USE_GTK */
XSetWMName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &text);
XChangeProperty (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
FRAME_DISPLAY_INFO (f)->Xatom_net_wm_name,
FRAME_DISPLAY_INFO (f)->Xatom_UTF8_STRING,
8, PropModeReplace,
SDATA (encoded_name),
SBYTES (encoded_name));
#endif /* not USE_GTK */
XSetWMIconName (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &icon);
XChangeProperty (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
FRAME_DISPLAY_INFO (f)->Xatom_net_wm_icon_name,
FRAME_DISPLAY_INFO (f)->Xatom_UTF8_STRING,
8, PropModeReplace,
SDATA (encoded_icon_name),
SBYTES (encoded_icon_name));
if (do_free_icon_value)
xfree (icon.value);
if (do_free_text_value)
xfree (text.value);
}
unblock_input ();
}
}
/* Change the name of frame F to NAME. If NAME is nil, set F's name to
x_id_name.
If EXPLICIT is true, that indicates that lisp code is setting the
name; if NAME is a string, set F's name to NAME and set
F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
If EXPLICIT is false, that indicates that Emacs redisplay code is
suggesting a new name, which lisp code should override; if
F->explicit_name is set, ignore the new name; otherwise, set it. */
static void
x_set_name (struct frame *f, Lisp_Object name, bool explicit)
{
/* Make sure that requests from lisp code override requests from
Emacs redisplay code. */
if (explicit)
{
/* If we're switching from explicit to implicit, we had better
update the mode lines and thereby update the title. */
if (f->explicit_name && NILP (name))
update_mode_lines = 37;
f->explicit_name = ! NILP (name);
}
else if (f->explicit_name)
return;
/* If NAME is nil, set the name to the x_id_name. */
if (NILP (name))
{
/* Check for no change needed in this very common case
before we do any consing. */
if (!strcmp (FRAME_DISPLAY_INFO (f)->x_id_name,
SSDATA (f->name)))
return;
name = build_string (FRAME_DISPLAY_INFO (f)->x_id_name);
}
else
CHECK_STRING (name);
/* Don't change the name if it's already NAME. */
if (! NILP (Fstring_equal (name, f->name)))
return;
fset_name (f, name);
/* For setting the frame title, the title parameter should override
the name parameter. */
if (! NILP (f->title))
name = f->title;
x_set_name_internal (f, name);
}
/* This function should be called when the user's lisp code has
specified a name for the frame; the name will override any set by the
redisplay code. */
static void
x_explicitly_set_name (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
x_set_name (f, arg, true);
}
/* This function should be called by Emacs redisplay code to set the
name; names set this way will never override names set by the user's
lisp code. */
void
x_implicitly_set_name (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
x_set_name (f, arg, false);
}
\f
/* Change the title of frame F to NAME.
If NAME is nil, use the frame name as the title. */
static void
x_set_title (struct frame *f, Lisp_Object name, Lisp_Object old_name)
{
/* Don't change the title if it's already NAME. */
if (EQ (name, f->title))
return;
update_mode_lines = 38;
fset_title (f, name);
if (NILP (name))
name = f->name;
else
CHECK_STRING (name);
x_set_name_internal (f, name);
}
void
x_set_scroll_bar_default_width (struct frame *f)
{
int unit = FRAME_COLUMN_WIDTH (f);
#ifdef USE_TOOLKIT_SCROLL_BARS
#ifdef USE_GTK
int minw = xg_get_default_scrollbar_width (f);
#else
int minw = 16;
#endif
/* A minimum width of 14 doesn't look good for toolkit scroll bars. */
FRAME_CONFIG_SCROLL_BAR_COLS (f) = (minw + unit - 1) / unit;
FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = minw;
#else
/* The width of a non-toolkit scrollbar is 14 pixels. */
FRAME_CONFIG_SCROLL_BAR_COLS (f) = (14 + unit - 1) / unit;
FRAME_CONFIG_SCROLL_BAR_WIDTH (f)
= FRAME_CONFIG_SCROLL_BAR_COLS (f) * unit;
#endif
}
void
x_set_scroll_bar_default_height (struct frame *f)
{
int height = FRAME_LINE_HEIGHT (f);
#ifdef USE_TOOLKIT_SCROLL_BARS
#ifdef USE_GTK
int min_height = xg_get_default_scrollbar_height (f);
#else
int min_height = 16;
#endif
/* A minimum height of 14 doesn't look good for toolkit scroll bars. */
FRAME_CONFIG_SCROLL_BAR_HEIGHT (f) = min_height;
FRAME_CONFIG_SCROLL_BAR_LINES (f) = (min_height + height - 1) / height;
#else
/* The height of a non-toolkit scrollbar is 14 pixels. */
FRAME_CONFIG_SCROLL_BAR_LINES (f) = (14 + height - 1) / height;
/* Use all of that space (aside from required margins) for the
scroll bar. */
FRAME_CONFIG_SCROLL_BAR_HEIGHT (f) = 14;
#endif
}
static void
x_set_alpha (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
double alpha = 1.0;
double newval[2];
int i;
Lisp_Object item;
bool alpha_identical_p;
alpha_identical_p = true;
for (i = 0; i < 2; i++)
{
newval[i] = 1.0;
if (CONSP (arg))
{
item = CAR (arg);
arg = CDR (arg);
alpha_identical_p = false;
}
else
item = arg;
if (NILP (item))
alpha = - 1.0;
else if (FLOATP (item))
{
alpha = XFLOAT_DATA (item);
if (! (0 <= alpha && alpha <= 1.0))
args_out_of_range (make_float (0.0), make_float (1.0));
}
else if (FIXNUMP (item))
{
EMACS_INT ialpha = XFIXNUM (item);
if (! (0 <= ialpha && ialpha <= 100))
args_out_of_range (make_fixnum (0), make_fixnum (100));
alpha = ialpha / 100.0;
}
else
wrong_type_argument (Qnumberp, item);
newval[i] = alpha;
}
for (i = 0; i < 2; i++)
f->alpha[i] = newval[i];
FRAME_X_OUTPUT (f)->alpha_identical_p = alpha_identical_p;
if (FRAME_TERMINAL (f)->set_frame_alpha_hook)
{
block_input ();
FRAME_TERMINAL (f)->set_frame_alpha_hook (f);
unblock_input ();
}
}
static void
x_set_use_frame_synchronization (struct frame *f, Lisp_Object arg,
Lisp_Object oldval)
{
#if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
struct x_display_info *dpyinfo;
unsigned long bypass_compositor;
dpyinfo = FRAME_DISPLAY_INFO (f);
if (!NILP (arg) && FRAME_X_EXTENDED_COUNTER (f))
{
FRAME_X_OUTPUT (f)->use_vsync_p
= x_wm_supports (f, dpyinfo->Xatom_net_wm_frame_drawn);
/* At the same time, write the bypass compositor property to the
outer window. 2 means to never bypass the compositor, as we
need its cooperation for frame synchronization. */
bypass_compositor = 2;
XChangeProperty (dpyinfo->display, FRAME_OUTER_WINDOW (f),
dpyinfo->Xatom_net_wm_bypass_compositor,
XA_CARDINAL, 32, PropModeReplace,
(unsigned char *) &bypass_compositor, 1);
}
else
{
FRAME_X_OUTPUT (f)->use_vsync_p = false;
/* Remove the compositor bypass property from the outer
window. */
XDeleteProperty (dpyinfo->display, FRAME_OUTER_WINDOW (f),
dpyinfo->Xatom_net_wm_bypass_compositor);
}
store_frame_param (f, Quse_frame_synchronization,
FRAME_X_OUTPUT (f)->use_vsync_p ? Qt : Qnil);
#else
store_frame_param (f, Quse_frame_synchronization, Qnil);
#endif
}
\f
/* Record in frame F the specified or default value according to ALIST
of the parameter named PROP (a Lisp symbol). If no value is
specified for PROP, look for an X default for XPROP on the frame
named NAME. If that is not found either, use the value DEFLT. */
static Lisp_Object
x_default_scroll_bar_color_parameter (struct frame *f,
Lisp_Object alist, Lisp_Object prop,
const char *xprop, const char *xclass,
bool foreground_p)
{
struct x_display_info *dpyinfo = FRAME_DISPLAY_INFO (f);
Lisp_Object tem;
tem = gui_display_get_arg (dpyinfo, alist, prop, xprop, xclass,
RES_TYPE_STRING);
if (BASE_EQ (tem, Qunbound))
{
#ifdef USE_TOOLKIT_SCROLL_BARS
/* See if an X resource for the scroll bar color has been
specified. */
AUTO_STRING (foreground, "foreground");
AUTO_STRING (background, "foreground");
AUTO_STRING (verticalScrollBar, "verticalScrollBar");
tem = (gui_display_get_resource
(dpyinfo, foreground_p ? foreground : background,
empty_unibyte_string,
verticalScrollBar,
empty_unibyte_string));
if (!STRINGP (tem))
{
/* If nothing has been specified, scroll bars will use a
toolkit-dependent default. Because these defaults are
difficult to get at without actually creating a scroll
bar, use nil to indicate that no color has been
specified. */
tem = Qnil;
}
#else /* not USE_TOOLKIT_SCROLL_BARS */
tem = Qnil;
#endif /* not USE_TOOLKIT_SCROLL_BARS */
}
AUTO_FRAME_ARG (arg, prop, tem);
gui_set_frame_parameters (f, arg);
return tem;
}
\f
#ifdef USE_X_TOOLKIT
/* If the WM_PROTOCOLS property does not already contain WM_TAKE_FOCUS,
WM_DELETE_WINDOW, and WM_SAVE_YOURSELF, then add them. (They may
already be present because of the toolkit (Motif adds some of them,
for example, but Xt doesn't). */
static void
hack_wm_protocols (struct frame *f, Widget widget)
{
Display *dpy = XtDisplay (widget);
Window w = XtWindow (widget);
bool need_delete = true;
bool need_focus = true;
bool need_save = true;
block_input ();
{
Atom type;
unsigned char *catoms;
int format = 0;
unsigned long nitems = 0;
unsigned long bytes_after;
if ((XGetWindowProperty (dpy, w,
FRAME_DISPLAY_INFO (f)->Xatom_wm_protocols,
0, 100, False, XA_ATOM,
&type, &format, &nitems, &bytes_after,
&catoms)
== Success)
&& format == 32 && type == XA_ATOM)
{
Atom *atoms = (Atom *) catoms;
while (nitems > 0)
{
nitems--;
if (atoms[nitems]
== FRAME_DISPLAY_INFO (f)->Xatom_wm_delete_window)
need_delete = false;
else if (atoms[nitems]
== FRAME_DISPLAY_INFO (f)->Xatom_wm_take_focus)
need_focus = false;
else if (atoms[nitems]
== FRAME_DISPLAY_INFO (f)->Xatom_wm_save_yourself)
need_save = false;
}
}
if (catoms)
XFree (catoms);
}
{
Atom props[10];
int count = 0;
if (need_delete)
props[count++] = FRAME_DISPLAY_INFO (f)->Xatom_wm_delete_window;
if (need_focus)
props[count++] = FRAME_DISPLAY_INFO (f)->Xatom_wm_take_focus;
if (need_save)
props[count++] = FRAME_DISPLAY_INFO (f)->Xatom_wm_save_yourself;
if (count)
XChangeProperty (dpy, w, FRAME_DISPLAY_INFO (f)->Xatom_wm_protocols,
XA_ATOM, 32, PropModeAppend,
(unsigned char *) props, count);
}
unblock_input ();
}
#endif
static void
append_wm_protocols (struct x_display_info *dpyinfo,
struct frame *f)
{
unsigned char *existing = NULL;
int format = 0;
unsigned long nitems = 0;
Atom type;
Atom *existing_protocols;
Atom protos[10];
int num_protos = 0;
bool found_wm_ping = false;
#if !defined HAVE_GTK3 && defined HAVE_XSYNC
bool found_wm_sync_request = false;
#endif
unsigned long bytes_after;
block_input ();
if ((XGetWindowProperty (dpyinfo->display, FRAME_OUTER_WINDOW (f),
dpyinfo->Xatom_wm_protocols,
0, 100, False, XA_ATOM, &type, &format, &nitems,
&bytes_after, &existing) == Success)
&& format == 32 && type == XA_ATOM)
{
existing_protocols = (Atom *) existing;
while (nitems)
{
nitems--;
if (existing_protocols[nitems]
== dpyinfo->Xatom_net_wm_ping)
found_wm_ping = true;
#if !defined HAVE_GTK3 && defined HAVE_XSYNC
else if (existing_protocols[nitems]
== dpyinfo->Xatom_net_wm_sync_request)
found_wm_sync_request = true;
#endif
}
}
if (existing)
XFree (existing);
if (!found_wm_ping)
protos[num_protos++] = dpyinfo->Xatom_net_wm_ping;
#if !defined HAVE_GTK3 && defined HAVE_XSYNC
if (!found_wm_sync_request && dpyinfo->xsync_supported_p)
protos[num_protos++] = dpyinfo->Xatom_net_wm_sync_request;
#endif
if (num_protos)
XChangeProperty (dpyinfo->display,
FRAME_OUTER_WINDOW (f),
dpyinfo->Xatom_wm_protocols,
XA_ATOM, 32, PropModeAppend,
(unsigned char *) protos,
num_protos);
unblock_input ();
}
\f
/* Support routines for XIC (X Input Context). */
#ifdef HAVE_X_I18N
static void xic_preedit_draw_callback (XIC, XPointer, XIMPreeditDrawCallbackStruct *);
static void xic_preedit_caret_callback (XIC, XPointer, XIMPreeditCaretCallbackStruct *);
static void xic_preedit_done_callback (XIC, XPointer, XPointer);
static int xic_preedit_start_callback (XIC, XPointer, XPointer);
#ifndef HAVE_XICCALLBACK_CALLBACK
#define XICCallback XIMCallback
#define XICProc XIMProc
#endif
static XIMCallback Xxic_preedit_draw_callback = { NULL,
(XIMProc) xic_preedit_draw_callback };
static XIMCallback Xxic_preedit_caret_callback = { NULL,
(XIMProc) xic_preedit_caret_callback };
static XIMCallback Xxic_preedit_done_callback = { NULL,
(XIMProc) xic_preedit_done_callback };
static XICCallback Xxic_preedit_start_callback = { NULL,
(XICProc) xic_preedit_start_callback };
#if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT
/* Create an X fontset on frame F with base font name BASE_FONTNAME. */
static const char xic_default_fontset[] = "-*-*-*-r-normal--14-*-*-*-*-*-*-*";
/* Create an Xt fontset spec from the name of a base font.
If `motif' is True use the Motif syntax. */
char *
xic_create_fontsetname (const char *base_fontname, bool motif)
{
const char *sep = motif ? ";" : ",";
char *fontsetname;
char *z;
/* Make a fontset name from the base font name. */
if (xic_default_fontset == base_fontname)
{
/* There is no base font name, use the default. */
fontsetname = xmalloc (strlen (base_fontname) + 2);
z = stpcpy (fontsetname, base_fontname);
}
else
{
/* Make a fontset name from the base font name.
The font set will be made of the following elements:
- the base font.
- the base font where the charset spec is replaced by -*-*.
- the same but with the family also replaced with -*-*-. */
const char *p = base_fontname;
ptrdiff_t i;
for (i = 0; *p; p++)
if (*p == '-') i++;
if (i != 14)
{
/* As the font name doesn't conform to XLFD, we can't
modify it to generalize it to allcs and allfamilies.
Use the specified font plus the default. */
fontsetname = xmalloc (strlen (base_fontname)
+ strlen (xic_default_fontset) + 3);
z = stpcpy (fontsetname, base_fontname);
z = stpcpy (z, sep);
z = stpcpy (z, xic_default_fontset);
}
else
{
ptrdiff_t len;
const char *p1 = NULL, *p2 = NULL, *p3 = NULL;
char *font_allcs = NULL;
char *font_allfamilies = NULL;
char *font_all = NULL;
const char *allcs = "*-*-*-*-*-*-*";
const char *allfamilies = "-*-*-";
const char *all = "*-*-*-*-";
char *base;
for (i = 0, p = base_fontname; i < 8; p++)
{
if (*p == '-')
{
i++;
if (i == 3)
p1 = p + 1;
else if (i == 7)
p2 = p + 1;
else if (i == 6)
p3 = p + 1;
}
}
/* If base_fontname specifies ADSTYLE, make it a
wildcard. */
if (*p3 != '*')
{
ptrdiff_t diff = (p2 - p3) - 2;
base = alloca (strlen (base_fontname) + 1);
memcpy (base, base_fontname, p3 - base_fontname);
base[p3 - base_fontname] = '*';
base[(p3 - base_fontname) + 1] = '-';
strcpy (base + (p3 - base_fontname) + 2, p2);
p = base + (p - base_fontname) - diff;
p1 = base + (p1 - base_fontname);
p2 = base + (p2 - base_fontname) - diff;
base_fontname = base;
}
/* Build the font spec that matches all charsets. */
len = p - base_fontname + strlen (allcs) + 1;
font_allcs = alloca (len);
memcpy (font_allcs, base_fontname, p - base_fontname);
strcpy (font_allcs + (p - base_fontname), allcs);
/* Build the font spec that matches all families and
add-styles. */
len = p - p1 + strlen (allcs) + strlen (allfamilies) + 1;
font_allfamilies = alloca (len);
strcpy (font_allfamilies, allfamilies);
memcpy (font_allfamilies + strlen (allfamilies), p1, p - p1);
strcpy (font_allfamilies + strlen (allfamilies) + (p - p1), allcs);
/* Build the font spec that matches all. */
len = p - p2 + strlen (allcs) + strlen (all) + strlen (allfamilies) + 1;
font_all = alloca (len);
z = stpcpy (font_all, allfamilies);
z = stpcpy (z, all);
memcpy (z, p2, p - p2);
strcpy (z + (p - p2), allcs);
/* Build the actual font set name. */
len = strlen (base_fontname) + strlen (font_allcs)
+ strlen (font_allfamilies) + strlen (font_all) + 5;
fontsetname = xmalloc (len);
z = stpcpy (fontsetname, base_fontname);
z = stpcpy (z, sep);
z = stpcpy (z, font_allcs);
z = stpcpy (z, sep);
z = stpcpy (z, font_allfamilies);
z = stpcpy (z, sep);
z = stpcpy (z, font_all);
}
}
if (motif)
strcpy (z, ":");
return fontsetname;
}
#endif /* HAVE_X_WINDOWS && USE_X_TOOLKIT */
#ifdef DEBUG_XIC_FONTSET
static void
print_fontset_result (XFontSet xfs, char *name, char **missing_list,
int missing_count)
{
if (xfs)
fprintf (stderr, "XIC Fontset created: %s\n", name);
else
{
fprintf (stderr, "XIC Fontset failed: %s\n", name);
while (missing_count-- > 0)
{
fprintf (stderr, " missing: %s\n", *missing_list);
missing_list++;
}
}
}
#endif
static XFontSet
xic_create_xfontset (struct frame *f)
{
XFontSet xfs = NULL;
struct font *font = FRAME_FONT (f);
int pixel_size = font->pixel_size;
Lisp_Object rest, frame;
/* See if there is another frame already using same fontset. */
FOR_EACH_FRAME (rest, frame)
{
struct frame *cf = XFRAME (frame);
if (cf != f && FRAME_LIVE_P (f) && FRAME_X_P (cf)
&& FRAME_DISPLAY_INFO (cf) == FRAME_DISPLAY_INFO (f)
&& FRAME_FONT (f)
&& FRAME_FONT (f)->pixel_size == pixel_size)
{
xfs = FRAME_XIC_FONTSET (cf);
break;
}
}
if (! xfs)
{
char buf[256];
char **missing_list;
int missing_count;
char *def_string;
const char *xlfd_format = "-*-*-medium-r-normal--%d-*-*-*-*-*";
sprintf (buf, xlfd_format, pixel_size);
missing_list = NULL;
xfs = XCreateFontSet (FRAME_X_DISPLAY (f), buf,
&missing_list, &missing_count, &def_string);
#ifdef DEBUG_XIC_FONTSET
print_fontset_result (xfs, buf, missing_list, missing_count);
#endif
if (missing_list)
XFreeStringList (missing_list);
if (! xfs)
{
/* List of pixel sizes most likely available. Find one that
is closest to pixel_size. */
int sizes[] = {0, 8, 10, 11, 12, 14, 17, 18, 20, 24, 26, 34, 0};
int *smaller, *larger;
for (smaller = sizes; smaller[1]; smaller++)
if (smaller[1] >= pixel_size)
break;
larger = smaller + 1;
if (*larger == pixel_size)
larger++;
while (*smaller || *larger)
{
int this_size;
if (! *larger)
this_size = *smaller--;
else if (! *smaller)
this_size = *larger++;
else if (pixel_size - *smaller < *larger - pixel_size)
this_size = *smaller--;
else
this_size = *larger++;
sprintf (buf, xlfd_format, this_size);
missing_list = NULL;
xfs = XCreateFontSet (FRAME_X_DISPLAY (f), buf,
&missing_list, &missing_count, &def_string);
#ifdef DEBUG_XIC_FONTSET
print_fontset_result (xfs, buf, missing_list, missing_count);
#endif
if (missing_list)
XFreeStringList (missing_list);
if (xfs)
break;
}
}
if (! xfs)
{
const char *last_resort = "-*-*-*-r-normal--*-*-*-*-*-*";
missing_list = NULL;
xfs = XCreateFontSet (FRAME_X_DISPLAY (f), last_resort,
&missing_list, &missing_count, &def_string);
#ifdef DEBUG_XIC_FONTSET
print_fontset_result (xfs, last_resort, missing_list, missing_count);
#endif
if (missing_list)
XFreeStringList (missing_list);
}
}
return xfs;
}
/* Free the X fontset of frame F if it is the last frame using it. */
void
xic_free_xfontset (struct frame *f)
{
Lisp_Object rest, frame;
bool shared_p = false;
if (!FRAME_XIC_FONTSET (f))
return;
/* See if there is another frame sharing the same fontset. */
FOR_EACH_FRAME (rest, frame)
{
struct frame *cf = XFRAME (frame);
if (cf != f && FRAME_LIVE_P (f) && FRAME_X_P (cf)
&& FRAME_DISPLAY_INFO (cf) == FRAME_DISPLAY_INFO (f)
&& FRAME_XIC_FONTSET (cf) == FRAME_XIC_FONTSET (f))
{
shared_p = true;
break;
}
}
if (!shared_p)
/* The fontset is not used anymore. It is safe to free it. */
XFreeFontSet (FRAME_X_DISPLAY (f), FRAME_XIC_FONTSET (f));
FRAME_XIC_FONTSET (f) = NULL;
}
/* Create XIC for frame F. */
static const XIMStyle supported_xim_styles[] =
{
STYLE_NONE,
STYLE_CALLBACK,
STYLE_OVERTHESPOT,
STYLE_OFFTHESPOT,
STYLE_ROOT
};
/* Value is the best input style, given user preferences USER (already
checked to be supported by Emacs), and styles supported by the
input method XIM. */
static XIMStyle
best_xim_style (struct x_display_info *dpyinfo,
XIMStyles *xim)
{
int i, j;
int nr_supported = ARRAYELTS (supported_xim_styles);
if (dpyinfo->preferred_xim_style)
return dpyinfo->preferred_xim_style;
for (i = 0; i < nr_supported; ++i)
for (j = 0; j < xim->count_styles; ++j)
if (supported_xim_styles[i] == xim->supported_styles[j])
return supported_xim_styles[i];
/* Return the default style. */
return XIMPreeditNothing | XIMStatusNothing;
}
/* Create XIC for frame F. */
void
create_frame_xic (struct frame *f)
{
XIM xim;
XIC xic = NULL;
XFontSet xfs = NULL;
XVaNestedList status_attr = NULL;
XVaNestedList preedit_attr = NULL;
XRectangle s_area;
XPoint spot;
XIMStyle xic_style;
if (FRAME_XIC (f))
goto out;
xim = FRAME_X_XIM (f);
if (!xim || ! FRAME_X_XIM_STYLES(f))
goto out;
/* Determine XIC style. */
xic_style = best_xim_style (FRAME_DISPLAY_INFO (f),
FRAME_X_XIM_STYLES (f));
/* Create X fontset. */
if (xic_style & (XIMPreeditPosition | XIMStatusArea))
{
xfs = xic_create_xfontset (f);
if (!xfs)
goto out;
FRAME_XIC_FONTSET (f) = xfs;
}
if (xic_style & XIMPreeditPosition)
{
spot.x = 0; spot.y = 1;
preedit_attr = XVaCreateNestedList (0,
XNFontSet, xfs,
XNForeground,
FRAME_FOREGROUND_PIXEL (f),
XNBackground,
FRAME_BACKGROUND_PIXEL (f),
(xic_style & XIMPreeditPosition
? XNSpotLocation
: NULL),
&spot,
NULL);
if (!preedit_attr)
goto out;
}
if (xic_style & XIMStatusArea)
{
s_area.x = 0; s_area.y = 0; s_area.width = 1; s_area.height = 1;
status_attr = XVaCreateNestedList (0,
XNArea,
&s_area,
XNFontSet,
xfs,
XNForeground,
FRAME_FOREGROUND_PIXEL (f),
XNBackground,
FRAME_BACKGROUND_PIXEL (f),
NULL);
if (!status_attr)
goto out;
}
if (xic_style & XIMPreeditCallbacks)
{
spot.x = 0;
spot.y = 0;
preedit_attr = XVaCreateNestedList (0,
XNSpotLocation, &spot,
XNPreeditStartCallback, &Xxic_preedit_start_callback,
XNPreeditDoneCallback, &Xxic_preedit_done_callback,
XNPreeditDrawCallback, &Xxic_preedit_draw_callback,
XNPreeditCaretCallback, &Xxic_preedit_caret_callback,
NULL);
if (!preedit_attr)
goto out;
}
if (preedit_attr && status_attr)
xic = XCreateIC (xim,
XNInputStyle, xic_style,
XNClientWindow, FRAME_X_WINDOW (f),
XNFocusWindow, FRAME_X_WINDOW (f),
XNStatusAttributes, status_attr,
XNPreeditAttributes, preedit_attr,
NULL);
else if (preedit_attr)
xic = XCreateIC (xim,
XNInputStyle, xic_style,
XNClientWindow, FRAME_X_WINDOW (f),
XNFocusWindow, FRAME_X_WINDOW (f),
XNPreeditAttributes, preedit_attr,
NULL);
else if (status_attr)
xic = XCreateIC (xim,
XNInputStyle, xic_style,
XNClientWindow, FRAME_X_WINDOW (f),
XNFocusWindow, FRAME_X_WINDOW (f),
XNStatusAttributes, status_attr,
NULL);
else
xic = XCreateIC (xim,
XNInputStyle, xic_style,
XNClientWindow, FRAME_X_WINDOW (f),
XNFocusWindow, FRAME_X_WINDOW (f),
NULL);
if (!xic)
goto out;
FRAME_XIC (f) = xic;
FRAME_XIC_STYLE (f) = xic_style;
xfs = NULL; /* Don't free below. */
out:
if (xfs)
free_frame_xic (f);
if (preedit_attr)
XFree (preedit_attr);
if (status_attr)
XFree (status_attr);
}
/* Destroy XIC and free XIC fontset of frame F, if any. */
void
free_frame_xic (struct frame *f)
{
if (FRAME_XIC (f) == NULL)
return;
XDestroyIC (FRAME_XIC (f));
xic_free_xfontset (f);
FRAME_XIC (f) = NULL;
}
/* Place preedit area for XIC of window W's frame to specified
pixel position X/Y. X and Y are relative to window W. */
void
xic_set_preeditarea (struct window *w, int x, int y)
{
struct frame *f = WINDOW_XFRAME (w);
XVaNestedList attr;
XPoint spot;
if (FRAME_XIC (f))
{
spot.x = (WINDOW_TO_FRAME_PIXEL_X (w, x)
+ WINDOW_LEFT_FRINGE_WIDTH (w)
+ WINDOW_LEFT_MARGIN_WIDTH (w));
spot.y = (WINDOW_TO_FRAME_PIXEL_Y (w, y)
+ w->phys_cursor_height);
if (FRAME_XIC_STYLE (f) & XIMPreeditCallbacks)
attr = XVaCreateNestedList (0, XNSpotLocation, &spot,
XNPreeditStartCallback, &Xxic_preedit_start_callback,
XNPreeditDoneCallback, &Xxic_preedit_done_callback,
XNPreeditDrawCallback, &Xxic_preedit_draw_callback,
XNPreeditCaretCallback, &Xxic_preedit_caret_callback,
NULL);
else
attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL);
XFree (attr);
}
#ifdef USE_GTK
if (f->tooltip)
return;
GdkRectangle rect;
int scale = xg_get_scale (f);
rect.x = (WINDOW_TO_FRAME_PIXEL_X (w, x)
+ WINDOW_LEFT_FRINGE_WIDTH (w)
+ WINDOW_LEFT_MARGIN_WIDTH (w)) / scale;
rect.y = (WINDOW_TO_FRAME_PIXEL_Y (w, y)
+ FRAME_TOOLBAR_HEIGHT (f)
+ FRAME_MENUBAR_HEIGHT (f)) / scale;
rect.width = w->phys_cursor_width / scale;
rect.height = w->phys_cursor_height / scale;
gtk_im_context_set_cursor_location (FRAME_X_OUTPUT (f)->im_context,
&rect);
#endif
}
/* Place status area for XIC in bottom right corner of frame F.. */
void
xic_set_statusarea (struct frame *f)
{
XIC xic = FRAME_XIC (f);
XVaNestedList attr;
XRectangle area;
XRectangle *needed;
/* Negotiate geometry of status area. If input method has existing
status area, use its current size. */
area.x = area.y = area.width = area.height = 0;
attr = XVaCreateNestedList (0, XNAreaNeeded, &area, NULL);
XSetICValues (xic, XNStatusAttributes, attr, NULL);
XFree (attr);
attr = XVaCreateNestedList (0, XNAreaNeeded, &needed, NULL);
XGetICValues (xic, XNStatusAttributes, attr, NULL);
XFree (attr);
if (needed->width == 0) /* Use XNArea instead of XNAreaNeeded */
{
attr = XVaCreateNestedList (0, XNArea, &needed, NULL);
XGetICValues (xic, XNStatusAttributes, attr, NULL);
XFree (attr);
}
area.width = needed->width;
area.height = needed->height;
area.x = FRAME_PIXEL_WIDTH (f) - area.width - FRAME_INTERNAL_BORDER_WIDTH (f);
area.y = (FRAME_PIXEL_HEIGHT (f) - area.height
- FRAME_MENUBAR_HEIGHT (f)
- FRAME_TOOLBAR_TOP_HEIGHT (f)
- FRAME_INTERNAL_BORDER_WIDTH (f));
XFree (needed);
attr = XVaCreateNestedList (0, XNArea, &area, NULL);
XSetICValues (xic, XNStatusAttributes, attr, NULL);
XFree (attr);
}
static struct frame *
x_xic_to_frame (XIC xic)
{
Lisp_Object tail, tem;
struct frame *f;
FOR_EACH_FRAME (tail, tem)
{
f = XFRAME (tem);
if (FRAME_X_P (f) && FRAME_XIC (f) == xic)
return f;
}
return NULL;
}
static int
xic_preedit_start_callback (XIC xic, XPointer client_data,
XPointer call_data)
{
struct frame *f = x_xic_to_frame (xic);
struct x_output *output;
if (f)
{
output = FRAME_X_OUTPUT (f);
output->preedit_size = 0;
output->preedit_active = true;
output->preedit_caret = 0;
if (output->preedit_chars)
xfree (output->preedit_chars);
output->preedit_chars = NULL;
}
return -1;
}
static void
xic_preedit_caret_callback (XIC xic, XPointer client_data,
XIMPreeditCaretCallbackStruct *call_data)
{
struct frame *f = x_xic_to_frame (xic);
struct x_output *output;
struct input_event ie;
EVENT_INIT (ie);
if (f)
{
output = FRAME_X_OUTPUT (f);
if (!output->preedit_active)
return;
switch (call_data->direction)
{
case XIMAbsolutePosition:
output->preedit_caret = call_data->position;
break;
case XIMForwardChar:
case XIMForwardWord:
call_data->position = output->preedit_caret++;
break;
case XIMBackwardChar:
case XIMBackwardWord:
call_data->position = max (0, output->preedit_caret--);
break;
default:
call_data->position = output->preedit_caret;
}
if (output->preedit_chars)
{
ie.kind = PREEDIT_TEXT_EVENT;
XSETFRAME (ie.frame_or_window, f);
ie.arg = make_string_from_utf8 (output->preedit_chars,
output->preedit_size);
if (SCHARS (ie.arg))
Fput_text_property (make_fixnum (min (SCHARS (ie.arg) - 1,
max (0, output->preedit_caret))),
make_fixnum (max (SCHARS (ie.arg),
max (0, output->preedit_caret) + 1)),
Qcursor, Qt, ie.arg);
XSETINT (ie.x, 0);
XSETINT (ie.y, 0);
kbd_buffer_store_event (&ie);
}
}
}
static void
xic_preedit_done_callback (XIC xic, XPointer client_data,
XPointer call_data)
{
struct frame *f = x_xic_to_frame (xic);
struct x_output *output;
struct input_event ie;
EVENT_INIT (ie);
if (f)
{
ie.kind = PREEDIT_TEXT_EVENT;
ie.arg = Qnil;
XSETFRAME (ie.frame_or_window, f);
XSETINT (ie.x, 0);
XSETINT (ie.y, 0);
kbd_buffer_store_event (&ie);
output = FRAME_X_OUTPUT (f);
if (output->preedit_chars)
xfree (output->preedit_chars);
output->preedit_size = 0;
output->preedit_active = false;
output->preedit_chars = NULL;
output->preedit_caret = 0;
}
}
struct x_xim_text_conversion_data
{
struct coding_system *coding;
char *source;
struct x_display_info *dpyinfo;
};
static Lisp_Object
x_xim_text_to_utf8_unix_1 (ptrdiff_t nargs, Lisp_Object *args)
{
struct x_xim_text_conversion_data *data;
ptrdiff_t nbytes;
Lisp_Object coding_system;
data = xmint_pointer (args[0]);
if (SYMBOLP (Vx_input_coding_system))
coding_system = Vx_input_coding_system;
else if (!NILP (data->dpyinfo->xim_coding))
coding_system = data->dpyinfo->xim_coding;
else
coding_system = Vlocale_coding_system;
nbytes = strlen (data->source);
data->coding->destination = NULL;
setup_coding_system (coding_system, data->coding);
data->coding->mode |= (CODING_MODE_LAST_BLOCK
| CODING_MODE_SAFE_ENCODING);
data->coding->source = (const unsigned char *) data->source;
data->coding->dst_bytes = 2048;
data->coding->destination = xmalloc (2048);
decode_coding_object (data->coding, Qnil, 0, 0,
nbytes, nbytes, Qnil);
return Qnil;
}
static Lisp_Object
x_xim_text_to_utf8_unix_2 (Lisp_Object val, ptrdiff_t nargs,
Lisp_Object *args)
{
struct x_xim_text_conversion_data *data;
data = xmint_pointer (args[0]);
if (data->coding->destination)
xfree (data->coding->destination);
data->coding->destination = NULL;
return Qnil;
}
/* The string returned is not null-terminated. */
static char *
x_xim_text_to_utf8_unix (struct x_display_info *dpyinfo,
XIMText *text, ptrdiff_t *length)
{
unsigned char *wchar_buf;
ptrdiff_t wchar_actual_length, i;
struct coding_system coding;
struct x_xim_text_conversion_data data;
bool was_waiting_for_input_p;
Lisp_Object arg;
if (text->encoding_is_wchar)
{
wchar_buf = xmalloc ((text->length + 1) * MAX_MULTIBYTE_LENGTH);
wchar_actual_length = 0;
for (i = 0; i < text->length; ++i)
wchar_actual_length += CHAR_STRING (text->string.wide_char[i],
wchar_buf + wchar_actual_length);
*length = wchar_actual_length;
return (char *) wchar_buf;
}
data.coding = &coding;
data.source = text->string.multi_byte;
data.dpyinfo = dpyinfo;
was_waiting_for_input_p = waiting_for_input;
/* Otherwise Fsignal will crash. */
waiting_for_input = false;
arg = make_mint_ptr (&data);
internal_condition_case_n (x_xim_text_to_utf8_unix_1, 1, &arg,
Qt, x_xim_text_to_utf8_unix_2);
waiting_for_input = was_waiting_for_input_p;
*length = coding.produced;
return (char *) coding.destination;
}
static void
xic_preedit_draw_callback (XIC xic, XPointer client_data,
XIMPreeditDrawCallbackStruct *call_data)
{
struct frame *f;
struct x_output *output;
ptrdiff_t text_length;
ptrdiff_t charpos;
ptrdiff_t original_size;
char *text;
char *chg_start, *chg_end;
struct input_event ie;
f = x_xic_to_frame (xic);
EVENT_INIT (ie);
if (f)
{
text_length = 0;
output = FRAME_X_OUTPUT (f);
if (!output->preedit_active)
return;
if (call_data->text)
{
text = x_xim_text_to_utf8_unix (FRAME_DISPLAY_INFO (f),
call_data->text, &text_length);
if (!text)
/* Decoding the IM text failed. */
goto im_abort;
}
else
text = NULL;
original_size = output->preedit_size;
/* This is an ordinary insertion: reallocate the buffer to hold
enough for TEXT. */
if (!call_data->chg_length)
{
if (!text)
goto im_abort;
if (output->preedit_chars)
output->preedit_chars = xrealloc (output->preedit_chars,
output->preedit_size += text_length);
else
output->preedit_chars = xmalloc (output->preedit_size += text_length);
}
chg_start = output->preedit_chars;
/* The IM sent bad data: the buffer is empty, but the change
position is more than 0. */
if (!output->preedit_chars && call_data->chg_first)
goto im_abort;
/* Find the byte position for the character position where the
first change is to be made. */
if (call_data->chg_first)
{
charpos = 0;
while (charpos < call_data->chg_first)
{
chg_start += BYTES_BY_CHAR_HEAD (*chg_start);
if ((chg_start - output->preedit_chars) > output->preedit_size)
/* The IM sent bad data: chg_start is larger than the
current buffer. */
goto im_abort;
++charpos;
}
}
if (!call_data->chg_length)
{
if (!text)
goto im_abort;
memmove (chg_start + text_length, chg_start,
original_size - (chg_start - output->preedit_chars));
memcpy (chg_start, text, text_length);
}
else
{
if (call_data->chg_length < 1)
goto im_abort;
charpos = 0;
chg_end = chg_start;
while (charpos < call_data->chg_length)
{
chg_end += BYTES_BY_CHAR_HEAD (*chg_end);
if ((chg_end - output->preedit_chars) > output->preedit_size)
/* The IM sent bad data: chg_end ends someplace outside
the current buffer. */
goto im_abort;
++charpos;
}
memmove (chg_start, chg_end, ((output->preedit_chars
+ output->preedit_size) - chg_end));
output->preedit_size -= (chg_end - chg_start);
if (text)
{
original_size = output->preedit_size;
output->preedit_chars = xrealloc (output->preedit_chars,
output->preedit_size += text_length);
/* Find chg_start again, since preedit_chars was reallocated. */
chg_start = output->preedit_chars;
charpos = 0;
while (charpos < call_data->chg_first)
{
chg_start += BYTES_BY_CHAR_HEAD (*chg_start);
if ((chg_start - output->preedit_chars) > output->preedit_size)
/* The IM sent bad data: chg_start is larger than the
current buffer. */
goto im_abort;
++charpos;
}
memmove (chg_start + text_length, chg_start,
original_size - (chg_start - output->preedit_chars));
memcpy (chg_start, text, text_length);
}
}
if (text)
xfree (text);
output->preedit_caret = call_data->caret;
/* This is okay because this callback is called from the big XIM
event filter, which runs inside XTread_socket. */
ie.kind = PREEDIT_TEXT_EVENT;
XSETFRAME (ie.frame_or_window, f);
ie.arg = make_string_from_utf8 (output->preedit_chars,
output->preedit_size);
if (SCHARS (ie.arg))
Fput_text_property (make_fixnum (min (SCHARS (ie.arg) - 1,
max (0, output->preedit_caret))),
make_fixnum (min (SCHARS (ie.arg),
max (0, output->preedit_caret) + 1)),
Qcursor, Qt, ie.arg);
XSETINT (ie.x, 0);
XSETINT (ie.y, 0);
kbd_buffer_store_event (&ie);
}
return;
im_abort:
if (text)
xfree (text);
if (output->preedit_chars)
xfree (output->preedit_chars);
output->preedit_chars = NULL;
output->preedit_size = 0;
output->preedit_active = false;
output->preedit_caret = 0;
}
void
xic_set_xfontset (struct frame *f, const char *base_fontname)
{
XVaNestedList attr;
XFontSet xfs;
xic_free_xfontset (f);
xfs = xic_create_xfontset (f);
attr = XVaCreateNestedList (0, XNFontSet, xfs, NULL);
if (FRAME_XIC_STYLE (f) & XIMPreeditPosition)
XSetICValues (FRAME_XIC (f), XNPreeditAttributes, attr, NULL);
if (FRAME_XIC_STYLE (f) & XIMStatusArea)
XSetICValues (FRAME_XIC (f), XNStatusAttributes, attr, NULL);
XFree (attr);
FRAME_XIC_FONTSET (f) = xfs;
}
#endif /* HAVE_X_I18N */
\f
void
x_mark_frame_dirty (struct frame *f)
{
#ifdef HAVE_XDBE
if (FRAME_X_DOUBLE_BUFFERED_P (f)
&& !FRAME_X_NEED_BUFFER_FLIP (f))
FRAME_X_NEED_BUFFER_FLIP (f) = true;
#endif
}
static void
set_up_x_back_buffer (struct frame *f)
{
#ifdef HAVE_XRENDER
block_input ();
if (FRAME_X_PICTURE (f) != None)
{
XRenderFreePicture (FRAME_X_DISPLAY (f),
FRAME_X_PICTURE (f));
FRAME_X_PICTURE (f) = None;
}
unblock_input ();
#endif
#ifdef HAVE_XDBE
block_input ();
if (FRAME_X_WINDOW (f) && !FRAME_X_DOUBLE_BUFFERED_P (f))
{
#ifdef USE_CAIRO
x_cr_destroy_frame_context (f);
#endif
FRAME_X_RAW_DRAWABLE (f) = FRAME_X_WINDOW (f);
if (FRAME_DISPLAY_INFO (f)->supports_xdbe)
{
/* If allocating a back buffer fails, either because the
server ran out of memory or we don't have the right kind
of visual, just use single-buffered rendering. */
x_catch_errors (FRAME_X_DISPLAY (f));
FRAME_X_RAW_DRAWABLE (f)
= XdbeAllocateBackBufferName (FRAME_X_DISPLAY (f),
FRAME_X_WINDOW (f),
XdbeCopied);
if (x_had_errors_p (FRAME_X_DISPLAY (f)))
FRAME_X_RAW_DRAWABLE (f) = FRAME_X_WINDOW (f);
x_uncatch_errors_after_check ();
}
}
unblock_input ();
#endif
}
void
tear_down_x_back_buffer (struct frame *f)
{
#ifdef HAVE_XRENDER
block_input ();
if (FRAME_X_PICTURE (f) != None)
{
XRenderFreePicture (FRAME_X_DISPLAY (f),
FRAME_X_PICTURE (f));
FRAME_X_PICTURE (f) = None;
}
unblock_input ();
#endif
#ifdef HAVE_XDBE
block_input ();
if (FRAME_X_WINDOW (f) && FRAME_X_DOUBLE_BUFFERED_P (f))
{
if (FRAME_X_DOUBLE_BUFFERED_P (f))
{
#ifdef USE_CAIRO
x_cr_destroy_frame_context (f);
#endif
XdbeDeallocateBackBufferName (FRAME_X_DISPLAY (f),
FRAME_X_DRAWABLE (f));
FRAME_X_RAW_DRAWABLE (f) = FRAME_X_WINDOW (f);
}
}
unblock_input ();
#endif
}
/* Set up double buffering if the frame parameters don't prohibit
it. */
void
initial_set_up_x_back_buffer (struct frame *f)
{
eassert (FRAME_X_WINDOW (f));
FRAME_X_RAW_DRAWABLE (f) = FRAME_X_WINDOW (f);
if (NILP (CDR (Fassq (Qinhibit_double_buffering,
f->param_alist))))
set_up_x_back_buffer (f);
}
#if defined HAVE_XINPUT2
static void
setup_xi_event_mask (struct frame *f)
{
XIEventMask mask;
ptrdiff_t l = XIMaskLen (XI_LASTEVENT);
unsigned char *m;
#ifndef HAVE_XINPUT2_1
/* Set up fallback values, since XIGetSelectedEvents doesn't work
with this version of libXi. */
XIEventMask *selected;
selected = xzalloc (sizeof *selected + l);
selected->mask = ((unsigned char *) selected) + sizeof *selected;
selected->mask_len = l;
selected->deviceid = XIAllMasterDevices;
#endif
mask.mask = m = alloca (l);
memset (m, 0, l);
mask.mask_len = l;
block_input ();
#ifndef HAVE_GTK3
mask.deviceid = XIAllMasterDevices;
XISetMask (m, XI_ButtonPress);
XISetMask (m, XI_ButtonRelease);
XISetMask (m, XI_Motion);
XISetMask (m, XI_Enter);
XISetMask (m, XI_Leave);
#ifndef USE_GTK
XISetMask (m, XI_FocusIn);
XISetMask (m, XI_FocusOut);
XISetMask (m, XI_KeyPress);
XISetMask (m, XI_KeyRelease);
#endif
XISelectEvents (FRAME_X_DISPLAY (f),
FRAME_X_WINDOW (f),
&mask, 1);
/* Fortunately `xi_masks' isn't used on GTK 3, where we really have
to get the event mask from the X server. */
#ifndef HAVE_XINPUT2_1
memcpy (selected->mask, m, l);
#endif
memset (m, 0, l);
#endif /* !HAVE_GTK3 */
#ifdef USE_X_TOOLKIT
XISetMask (m, XI_KeyPress);
XISetMask (m, XI_KeyRelease);
XISetMask (m, XI_FocusIn);
XISetMask (m, XI_FocusOut);
XISelectEvents (FRAME_X_DISPLAY (f),
FRAME_OUTER_WINDOW (f),
&mask, 1);
memset (m, 0, l);
#endif
#ifdef HAVE_XINPUT2_2
if (FRAME_DISPLAY_INFO (f)->xi2_version >= 2)
{
mask.deviceid = XIAllDevices;
XISetMask (m, XI_TouchBegin);
XISetMask (m, XI_TouchUpdate);
XISetMask (m, XI_TouchEnd);
#ifdef HAVE_XINPUT2_4
if (FRAME_DISPLAY_INFO (f)->xi2_version >= 4)
{
XISetMask (m, XI_GesturePinchBegin);
XISetMask (m, XI_GesturePinchUpdate);
XISetMask (m, XI_GesturePinchEnd);
}
#endif
XISelectEvents (FRAME_X_DISPLAY (f),
FRAME_X_WINDOW (f),
&mask, 1);
}
#endif
#ifndef HAVE_XINPUT2_1
FRAME_X_OUTPUT (f)->xi_masks = selected;
FRAME_X_OUTPUT (f)->num_xi_masks = 1;
#endif
unblock_input ();
}
#endif
#ifdef USE_X_TOOLKIT
/* Create and set up the X widget for frame F. */
static void
x_window (struct frame *f, long window_prompting)
{
XClassHint class_hints;
XSetWindowAttributes attributes;
unsigned long attribute_mask;
Widget shell_widget;
Widget pane_widget;
Widget frame_widget;
Arg al[25];
int ac;
block_input ();
/* Use the resource name as the top-level widget name
for looking up resources. Make a non-Lisp copy
for the window manager, so GC relocation won't bother it.
Elsewhere we specify the window name for the window manager. */
f->namebuf = xlispstrdup (Vx_resource_name);
ac = 0;
XtSetArg (al[ac], XtNallowShellResize, 1); ac++;
XtSetArg (al[ac], XtNinput, 1); ac++;
XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++;
XtSetArg (al[ac], XtNborderWidth, f->border_width); ac++;
XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++;
XtSetArg (al[ac], XtNdepth, FRAME_DISPLAY_INFO (f)->n_planes); ac++;
XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++;
shell_widget = XtAppCreateShell (f->namebuf, EMACS_CLASS,
applicationShellWidgetClass,
FRAME_X_DISPLAY (f), al, ac);
f->output_data.x->widget = shell_widget;
/* maybe_set_screen_title_format (shell_widget); */
pane_widget = lw_create_widget ("main", "pane", widget_id_tick++,
NULL, shell_widget, False,
NULL, NULL, NULL, NULL);
ac = 0;
XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++;
XtSetArg (al[ac], XtNdepth, FRAME_DISPLAY_INFO (f)->n_planes); ac++;
XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++;
XtSetArg (al[ac], XtNborderWidth, 0); ac++;
XtSetValues (pane_widget, al, ac);
f->output_data.x->column_widget = pane_widget;
/* mappedWhenManaged to false tells to the paned window to not map/unmap
the emacs screen when changing menubar. This reduces flickering. */
ac = 0;
XtSetArg (al[ac], XtNmappedWhenManaged, 0); ac++;
XtSetArg (al[ac], (char *) XtNshowGrip, 0); ac++;
XtSetArg (al[ac], (char *) XtNallowResize, 1); ac++;
XtSetArg (al[ac], (char *) XtNresizeToPreferred, 1); ac++;
XtSetArg (al[ac], (char *) XtNemacsFrame, f); ac++;
XtSetArg (al[ac], XtNvisual, FRAME_X_VISUAL (f)); ac++;
XtSetArg (al[ac], XtNdepth, FRAME_DISPLAY_INFO (f)->n_planes); ac++;
XtSetArg (al[ac], XtNcolormap, FRAME_X_COLORMAP (f)); ac++;
XtSetArg (al[ac], XtNborderWidth, 0); ac++;
frame_widget = XtCreateWidget (f->namebuf, emacsFrameClass (), pane_widget,
al, ac);
f->output_data.x->edit_widget = frame_widget;
XtManageChild (frame_widget);
/* Do some needed geometry management. */
{
Arg gal[3];
int gac = 0;
int extra_borders = 0;
int menubar_size
= (f->output_data.x->menubar_widget
? (f->output_data.x->menubar_widget->core.height
+ f->output_data.x->menubar_widget->core.border_width)
: 0);
#if false /* Experimentally, we now get the right results
for -geometry -0-0 without this. 24 Aug 96, rms. */
if (FRAME_EXTERNAL_MENU_BAR (f))
{
Dimension ibw = 0;
XtVaGetValues (pane_widget, XtNinternalBorderWidth, &ibw, NULL);
menubar_size += ibw;
}
#endif
FRAME_MENUBAR_HEIGHT (f) = menubar_size;
#ifndef USE_LUCID
/* Motif seems to need this amount added to the sizes
specified for the shell widget. The Athena/Lucid widgets don't.
Both conclusions reached experimentally. -- rms. */
XtVaGetValues (f->output_data.x->edit_widget, XtNinternalBorderWidth,
&extra_borders, NULL);
extra_borders *= 2;
#endif
f->shell_position = xmalloc (sizeof "=x++" + 4 * INT_STRLEN_BOUND (int));
/* Convert our geometry parameters into a geometry string
and specify it.
Note that we do not specify here whether the position
is a user-specified or program-specified one.
We pass that information later, in x_wm_set_size_hint. */
{
int left = f->left_pos;
bool xneg = (window_prompting & XNegative) != 0;
int top = f->top_pos;
bool yneg = (window_prompting & YNegative) != 0;
if (xneg)
left = -left;
if (yneg)
top = -top;
if (window_prompting & USPosition)
sprintf (f->shell_position, "=%dx%d%c%d%c%d",
FRAME_PIXEL_WIDTH (f) + extra_borders,
FRAME_PIXEL_HEIGHT (f) + menubar_size + extra_borders,
(xneg ? '-' : '+'), left,
(yneg ? '-' : '+'), top);
else
{
sprintf (f->shell_position, "=%dx%d",
FRAME_PIXEL_WIDTH (f) + extra_borders,
FRAME_PIXEL_HEIGHT (f) + menubar_size + extra_borders);
/* Setting x and y when the position is not specified in
the geometry string will set program position in the WM hints.
If Emacs had just one program position, we could set it in
fallback resources, but since each make-frame call can specify
different program positions, this is easier. */
XtSetArg (gal[gac], XtNx, left); gac++;
XtSetArg (gal[gac], XtNy, top); gac++;
}
}
XtSetArg (gal[gac], XtNgeometry, f->shell_position); gac++;
XtSetValues (shell_widget, gal, gac);
}
XtManageChild (pane_widget);
XtRealizeWidget (shell_widget);
FRAME_X_WINDOW (f) = XtWindow (frame_widget);
initial_set_up_x_back_buffer (f);
validate_x_resource_name ();
class_hints.res_name = SSDATA (Vx_resource_name);
class_hints.res_class = SSDATA (Vx_resource_class);
XSetClassHint (FRAME_X_DISPLAY (f), XtWindow (shell_widget), &class_hints);
#ifdef HAVE_X_I18N
FRAME_XIC (f) = NULL;
if (use_xim)
create_frame_xic (f);
#endif
f->output_data.x->wm_hints.input = True;
f->output_data.x->wm_hints.flags |= InputHint;
XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
&f->output_data.x->wm_hints);
hack_wm_protocols (f, shell_widget);
append_wm_protocols (FRAME_DISPLAY_INFO (f), f);
#ifdef X_TOOLKIT_EDITRES
XtAddEventHandler (shell_widget, 0, True, _XEditResCheckMessages, 0);
#endif
/* Do a stupid property change to force the server to generate a
PropertyNotify event so that the event_stream server timestamp will
be initialized to something relevant to the time we created the window.
*/
XChangeProperty (XtDisplay (frame_widget), XtWindow (frame_widget),
FRAME_DISPLAY_INFO (f)->Xatom_wm_protocols,
XA_ATOM, 32, PropModeAppend, NULL, 0);
/* Make all the standard events reach the Emacs frame. */
attributes.event_mask = STANDARD_EVENT_SET;
#ifdef HAVE_X_I18N
if (FRAME_XIC (f))
{
/* XIM server might require some X events. */
unsigned long fevent = NoEventMask;
XGetICValues (FRAME_XIC (f), XNFilterEvents, &fevent, NULL);
attributes.event_mask |= fevent;
}
#endif /* HAVE_X_I18N */
attributes.override_redirect = FRAME_OVERRIDE_REDIRECT (f);
attribute_mask = CWEventMask | CWOverrideRedirect;
XChangeWindowAttributes (XtDisplay (shell_widget), XtWindow (shell_widget),
attribute_mask, &attributes);
XtMapWidget (frame_widget);
/* x_set_name normally ignores requests to set the name if the
requested name is the same as the current name. This is the one
place where that assumption isn't correct; f->name is set, but
the X server hasn't been told. */
{
Lisp_Object name;
bool explicit = f->explicit_name;
f->explicit_name = false;
name = f->name;
fset_name (f, Qnil);
x_set_name (f, name, explicit);
}
if (FRAME_UNDECORATED (f))
{
Display *dpy = FRAME_X_DISPLAY (f);
PropMotifWmHints hints;
Atom prop = FRAME_DISPLAY_INFO (f)->Xatom_MOTIF_WM_HINTS;
memset (&hints, 0, sizeof(hints));
hints.flags = MWM_HINTS_DECORATIONS;
hints.decorations = 0;
/* For some reason the third and fourth arguments in the following
call must be identical: In the corresponding XGetWindowProperty
call in getMotifHints, xfwm has the third and seventh args both
display_info->atoms[MOTIF_WM_HINTS]. Obviously, YMMV. */
XChangeProperty (dpy, FRAME_OUTER_WINDOW (f), prop, prop, 32,
PropModeReplace, (unsigned char *) &hints,
PROP_MOTIF_WM_HINTS_ELEMENTS);
}
XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
f->output_data.x->current_cursor
= f->output_data.x->text_cursor);
unblock_input ();
/* This is a no-op, except under Motif. Make sure main areas are
set to something reasonable, in case we get an error later. */
lw_set_main_areas (pane_widget, 0, frame_widget);
#ifdef HAVE_XINPUT2
if (FRAME_DISPLAY_INFO (f)->supports_xi2)
setup_xi_event_mask (f);
#endif
}
#else /* not USE_X_TOOLKIT */
#ifdef USE_GTK
static void
x_window (struct frame *f)
{
if (! xg_create_frame_widgets (f))
error ("Unable to create window");
#ifdef HAVE_X_I18N
FRAME_XIC (f) = NULL;
if (use_xim)
{
block_input ();
create_frame_xic (f);
if (FRAME_XIC (f))
{
/* XIM server might require some X events. */
unsigned long fevent = NoEventMask;
XGetICValues (FRAME_XIC (f), XNFilterEvents, &fevent, NULL);
if (fevent != NoEventMask)
{
XSetWindowAttributes attributes;
XWindowAttributes wattr;
unsigned long attribute_mask;
XGetWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
&wattr);
attributes.event_mask = wattr.your_event_mask | fevent;
attribute_mask = CWEventMask;
XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
attribute_mask, &attributes);
}
}
unblock_input ();
}
#endif
append_wm_protocols (FRAME_DISPLAY_INFO (f), f);
#ifdef HAVE_XINPUT2
if (FRAME_DISPLAY_INFO (f)->supports_xi2)
setup_xi_event_mask (f);
#endif
}
#else /*! USE_GTK */
/* Create and set up the X window for frame F. */
static void
x_window (struct frame *f)
{
XClassHint class_hints;
XSetWindowAttributes attributes;
unsigned long attribute_mask;
attributes.background_pixel = FRAME_BACKGROUND_PIXEL (f);
attributes.border_pixel = f->output_data.x->border_pixel;
attributes.bit_gravity = StaticGravity;
attributes.backing_store = NotUseful;
attributes.save_under = True;
attributes.event_mask = STANDARD_EVENT_SET;
attributes.colormap = FRAME_X_COLORMAP (f);
attributes.override_redirect = FRAME_OVERRIDE_REDIRECT (f);
attribute_mask = (CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
| CWOverrideRedirect | CWColormap);
block_input ();
FRAME_X_WINDOW (f)
= XCreateWindow (FRAME_X_DISPLAY (f),
FRAME_DISPLAY_INFO (f)->root_window,
f->left_pos,
f->top_pos,
FRAME_PIXEL_WIDTH (f), FRAME_PIXEL_HEIGHT (f),
f->border_width,
FRAME_DISPLAY_INFO (f)->n_planes, /* depth */
InputOutput, /* class */
FRAME_X_VISUAL (f),
attribute_mask, &attributes);
initial_set_up_x_back_buffer (f);
#ifdef HAVE_X_I18N
if (use_xim)
{
create_frame_xic (f);
if (FRAME_XIC (f))
{
/* XIM server might require some X events. */
unsigned long fevent = NoEventMask;
if (fevent)
{
XGetICValues (FRAME_XIC (f), XNFilterEvents, &fevent, NULL);
attributes.event_mask |= fevent;
attribute_mask = CWEventMask;
XChangeWindowAttributes (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
attribute_mask, &attributes);
}
}
}
#endif /* HAVE_X_I18N */
#ifdef HAVE_XINPUT2
if (FRAME_DISPLAY_INFO (f)->supports_xi2)
setup_xi_event_mask (f);
#endif
validate_x_resource_name ();
class_hints.res_name = SSDATA (Vx_resource_name);
class_hints.res_class = SSDATA (Vx_resource_class);
XSetClassHint (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), &class_hints);
/* This indicates that we use the "Passive Input" input model.
Unless we do this, we don't get the Focus{In,Out} events that we
need to draw the cursor correctly. Accursed bureaucrats.
XWhipsAndChains (FRAME_X_DISPLAY (f), IronMaiden, &TheRack); */
f->output_data.x->wm_hints.input = True;
f->output_data.x->wm_hints.flags |= InputHint;
XSetWMHints (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
&f->output_data.x->wm_hints);
f->output_data.x->wm_hints.icon_pixmap = None;
/* Request "save yourself" and "delete window" commands from wm. */
{
Atom protocols[2];
protocols[0] = FRAME_DISPLAY_INFO (f)->Xatom_wm_delete_window;
protocols[1] = FRAME_DISPLAY_INFO (f)->Xatom_wm_save_yourself;
XSetWMProtocols (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), protocols, 2);
}
append_wm_protocols (FRAME_DISPLAY_INFO (f), f);
/* x_set_name normally ignores requests to set the name if the
requested name is the same as the current name. This is the one
place where that assumption isn't correct; f->name is set, but
the X server hasn't been told. */
{
Lisp_Object name;
bool explicit = f->explicit_name;
f->explicit_name = false;
name = f->name;
fset_name (f, Qnil);
x_set_name (f, name, explicit);
}
if (FRAME_UNDECORATED (f))
{
Display *dpy = FRAME_X_DISPLAY (f);
PropMotifWmHints hints;
Atom prop = FRAME_DISPLAY_INFO (f)->Xatom_MOTIF_WM_HINTS;
memset (&hints, 0, sizeof(hints));
hints.flags = MWM_HINTS_DECORATIONS;
hints.decorations = 0;
/* For some reason the third and fourth arguments in the following
call must be identical: In the corresponding XGetWindowProperty
call in getMotifHints, xfwm has the third and seventh args both
display_info->atoms[MOTIF_WM_HINTS]. Obviously, YMMV. */
XChangeProperty (dpy, FRAME_OUTER_WINDOW (f), prop, prop, 32,
PropModeReplace, (unsigned char *) &hints,
PROP_MOTIF_WM_HINTS_ELEMENTS);
}
XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
f->output_data.x->current_cursor
= f->output_data.x->text_cursor);
unblock_input ();
if (FRAME_X_WINDOW (f) == 0)
error ("Unable to create window");
}
#endif /* not USE_GTK */
#endif /* not USE_X_TOOLKIT */
/* Verify that the icon position args for this window are valid. */
static void
x_icon_verify (struct frame *f, Lisp_Object parms)
{
Lisp_Object icon_x, icon_y;
/* Set the position of the icon. Note that twm groups all
icons in an icon window. */
icon_x = gui_frame_get_and_record_arg (f, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER);
icon_y = gui_frame_get_and_record_arg (f, parms, Qicon_top, 0, 0, RES_TYPE_NUMBER);
if (!BASE_EQ (icon_x, Qunbound) && !BASE_EQ (icon_y, Qunbound))
{
CHECK_FIXNUM (icon_x);
CHECK_FIXNUM (icon_y);
}
else if (!BASE_EQ (icon_x, Qunbound) || !BASE_EQ (icon_y, Qunbound))
error ("Both left and top icon corners of icon must be specified");
}
/* Handle the icon stuff for this window. Perhaps later we might
want an x_set_icon_position which can be called interactively as
well. */
static void
x_icon (struct frame *f, Lisp_Object parms)
{
/* Set the position of the icon. Note that twm groups all
icons in an icon window. */
Lisp_Object icon_x
= gui_frame_get_and_record_arg (f, parms, Qicon_left, 0, 0, RES_TYPE_NUMBER);
Lisp_Object icon_y
= gui_frame_get_and_record_arg (f, parms, Qicon_top, 0, 0, RES_TYPE_NUMBER);
int icon_xval, icon_yval;
bool xgiven = !BASE_EQ (icon_x, Qunbound);
bool ygiven = !BASE_EQ (icon_y, Qunbound);
if (xgiven != ygiven)
error ("Both left and top icon corners of icon must be specified");
if (xgiven)
{
icon_xval = check_integer_range (icon_x, INT_MIN, INT_MAX);
icon_yval = check_integer_range (icon_y, INT_MIN, INT_MAX);
}
block_input ();
if (xgiven)
x_wm_set_icon_position (f, icon_xval, icon_yval);
#if false /* gui_display_get_arg removes the visibility parameter as a
side effect, but x_create_frame still needs it. */
/* Start up iconic or window? */
struct x_display_info *dpyinfo = FRAME_DISPLAY_INFO (f);
x_wm_set_window_state
(f, (EQ (gui_display_get_arg (dpyinfo, parms, Qvisibility, 0, 0,
RES_TYPE_SYMBOL),
Qicon)
? IconicState
: NormalState));
#endif
x_text_icon (f, SSDATA ((!NILP (f->icon_name)
? f->icon_name
: f->name)));
unblock_input ();
}
/* Make the GCs needed for this window, setting the
background, border and mouse colors; also create the
mouse cursor and the gray border tile. */
static void
x_make_gc (struct frame *f)
{
XGCValues gc_values;
block_input ();
/* Create the GCs of this frame.
Note that many default values are used. */
gc_values.foreground = FRAME_FOREGROUND_PIXEL (f);
gc_values.background = FRAME_BACKGROUND_PIXEL (f);
gc_values.line_width = 1;
f->output_data.x->normal_gc
= XCreateGC (FRAME_X_DISPLAY (f),
FRAME_X_DRAWABLE (f),
GCLineWidth | GCForeground | GCBackground,
&gc_values);
/* Reverse video style. */
gc_values.foreground = FRAME_BACKGROUND_PIXEL (f);
gc_values.background = FRAME_FOREGROUND_PIXEL (f);
f->output_data.x->reverse_gc
= XCreateGC (FRAME_X_DISPLAY (f),
FRAME_X_DRAWABLE (f),
GCForeground | GCBackground | GCLineWidth,
&gc_values);
/* Cursor has cursor-color background, background-color foreground. */
gc_values.foreground = FRAME_BACKGROUND_PIXEL (f);
gc_values.background = f->output_data.x->cursor_pixel;
f->output_data.x->cursor_gc
= XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_DRAWABLE (f),
(GCForeground | GCBackground | GCLineWidth),
&gc_values);
/* Create the gray border tile used when the pointer is not in
the frame. Since this depends on the frame's pixel values,
this must be done on a per-frame basis. */
f->output_data.x->border_tile
= (XCreatePixmapFromBitmapData
(FRAME_X_DISPLAY (f), FRAME_DISPLAY_INFO (f)->root_window,
gray_bits, gray_width, gray_height,
FRAME_FOREGROUND_PIXEL (f),
FRAME_BACKGROUND_PIXEL (f),
DefaultDepth (FRAME_X_DISPLAY (f), FRAME_X_SCREEN_NUMBER (f))));
unblock_input ();
}
/* Free what was allocated in x_make_gc. */
void
x_free_gcs (struct frame *f)
{
Display *dpy = FRAME_X_DISPLAY (f);
block_input ();
if (f->output_data.x->normal_gc)
{
XFreeGC (dpy, f->output_data.x->normal_gc);
f->output_data.x->normal_gc = 0;
}
if (f->output_data.x->reverse_gc)
{
XFreeGC (dpy, f->output_data.x->reverse_gc);
f->output_data.x->reverse_gc = 0;
}
if (f->output_data.x->cursor_gc)
{
XFreeGC (dpy, f->output_data.x->cursor_gc);
f->output_data.x->cursor_gc = 0;
}
if (f->output_data.x->border_tile)
{
XFreePixmap (dpy, f->output_data.x->border_tile);
f->output_data.x->border_tile = 0;
}
unblock_input ();
}
/* Handler for signals raised during x_create_frame and
Fx_create_tip_frame. FRAME is the frame which is partially
constructed. */
static Lisp_Object
unwind_create_frame (Lisp_Object frame)
{
struct frame *f = XFRAME (frame);
/* If frame is already dead, nothing to do. This can happen if the
display is disconnected after the frame has become official, but
before Fx_create_frame removes the unwind protect. */
if (!FRAME_LIVE_P (f))
return Qnil;
/* If frame is ``official'', nothing to do. */
if (NILP (Fmemq (frame, Vframe_list)))
{
#if defined GLYPH_DEBUG && defined ENABLE_CHECKING
struct x_display_info *dpyinfo = FRAME_DISPLAY_INFO (f);
#endif
/* If the frame's image cache refcount is still the same as our
private shadow variable, it means we are unwinding a frame
for which we didn't yet call init_frame_faces, where the
refcount is incremented. Therefore, we increment it here, so
that free_frame_faces, called in x_free_frame_resources
below, will not mistakenly decrement the counter that was not
incremented yet to account for this new frame. */
if (FRAME_IMAGE_CACHE (f) != NULL
&& FRAME_IMAGE_CACHE (f)->refcount == image_cache_refcount)
FRAME_IMAGE_CACHE (f)->refcount++;
x_free_frame_resources (f);
free_glyphs (f);
#if defined GLYPH_DEBUG && defined ENABLE_CHECKING
/* Check that reference counts are indeed correct. */
eassert (dpyinfo->reference_count == dpyinfo_refcount);
eassert (dpyinfo->terminal->image_cache->refcount == image_cache_refcount);
#endif
return Qt;
}
return Qnil;
}
static void
do_unwind_create_frame (Lisp_Object frame)
{
unwind_create_frame (frame);
}
void
x_default_font_parameter (struct frame *f, Lisp_Object parms)
{
struct x_display_info *dpyinfo = FRAME_DISPLAY_INFO (f);
Lisp_Object font_param = gui_display_get_arg (dpyinfo, parms, Qfont, NULL, NULL,
RES_TYPE_STRING);
Lisp_Object font = Qnil;
if (BASE_EQ (font_param, Qunbound))
font_param = Qnil;
if (NILP (font_param))
{
/* System font should take precedence over X resources. We suggest this
regardless of font-use-system-font because .emacs may not have been
read yet. */
const char *system_font = xsettings_get_system_font ();
if (system_font)
font = font_open_by_name (f, build_unibyte_string (system_font));
}
if (NILP (font))
font = !NILP (font_param) ? font_param
: gui_display_get_arg (dpyinfo, parms, Qfont, "font", "Font",
RES_TYPE_STRING);
if (! FONTP (font) && ! STRINGP (font))
{
const char *names[]
= {
#if defined USE_CAIRO || defined HAVE_XFT
/* This will find the normal Xft font. */
"monospace-10",
#endif
"-adobe-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-1",
"-misc-fixed-medium-r-normal-*-*-140-*-*-c-*-iso8859-1",
"-*-*-medium-r-normal-*-*-140-*-*-c-*-iso8859-1",
/* This was formerly the first thing tried, but it finds
too many fonts and takes too long. */
"-*-*-medium-r-*-*-*-*-*-*-c-*-iso8859-1",
/* If those didn't work, look for something which will
at least work. */
"-*-fixed-*-*-*-*-*-140-*-*-c-*-iso8859-1",
"fixed",
NULL };
int i;
for (i = 0; names[i]; i++)
{
font = font_open_by_name (f, build_unibyte_string (names[i]));
if (! NILP (font))
break;
}
if (NILP (font))
error ("No suitable font was found");
}
else if (!NILP (font_param))
{
/* Remember the explicit font parameter, so we can re-apply it after
we've applied the `default' face settings. */
AUTO_FRAME_ARG (arg, Qfont_parameter, font_param);
gui_set_frame_parameters (f, arg);
}
/* This call will make X resources override any system font setting. */
gui_default_parameter (f, parms, Qfont, font, "font", "Font", RES_TYPE_STRING);
}
DEFUN ("x-wm-set-size-hint", Fx_wm_set_size_hint, Sx_wm_set_size_hint,
0, 1, 0,
doc: /* Send the size hints for frame FRAME to the window manager.
If FRAME is omitted or nil, use the selected frame.
Signal error if FRAME is not an X frame. */)
(Lisp_Object frame)
{
struct frame *f = decode_window_system_frame (frame);
block_input ();
x_wm_set_size_hint (f, 0, false);
unblock_input ();
return Qnil;
}
static void
set_machine_and_pid_properties (struct frame *f)
{
/* This will set WM_CLIENT_MACHINE and WM_LOCALE_NAME. */
XSetWMProperties (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), NULL, NULL,
NULL, 0, NULL, NULL, NULL);
pid_t pid = getpid ();
if (pid <= 0xffffffffu)
{
unsigned long xpid = pid;
XChangeProperty (FRAME_X_DISPLAY (f),
FRAME_OUTER_WINDOW (f),
FRAME_DISPLAY_INFO (f)->Xatom_net_wm_pid,
XA_CARDINAL, 32, PropModeReplace,
(unsigned char *) &xpid, 1);
}
}
DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame,
1, 1, 0,
doc: /* Make a new X window, which is called a "frame" in Emacs terms.
Return an Emacs frame object. PARMS is an alist of frame parameters.
If the parameters specify that the frame should not have a minibuffer,
and do not specify a specific minibuffer window to use, then
`default-minibuffer-frame' must be a frame whose minibuffer can be
shared by the new frame.
This function is an internal primitive--use `make-frame' instead. */)
(Lisp_Object parms)
{
struct frame *f;
Lisp_Object frame, tem;
Lisp_Object name;
bool minibuffer_only = false;
bool undecorated = false, override_redirect = false;
long window_prompting = 0;
specpdl_ref count = SPECPDL_INDEX ();
Lisp_Object display;
struct x_display_info *dpyinfo = NULL;
Lisp_Object parent, parent_frame;
struct kboard *kb;
#ifdef HAVE_GTK3
GdkWindow *gwin;
#endif
parms = Fcopy_alist (parms);
/* Use this general default value to start with
until we know if this frame has a specified name. */
Vx_resource_name = Vinvocation_name;
display = gui_display_get_arg (dpyinfo, parms, Qterminal, 0, 0,
RES_TYPE_NUMBER);
if (BASE_EQ (display, Qunbound))
display = gui_display_get_arg (dpyinfo, parms, Qdisplay, 0, 0,
RES_TYPE_STRING);
if (BASE_EQ (display, Qunbound))
display = Qnil;
dpyinfo = check_x_display_info (display);
kb = dpyinfo->terminal->kboard;
if (!dpyinfo->terminal->name)
error ("Terminal is not live, can't create new frames on it");
name = gui_display_get_arg (dpyinfo, parms, Qname, "name", "Name",
RES_TYPE_STRING);
if (!STRINGP (name)
&& ! BASE_EQ (name, Qunbound)
&& ! NILP (name))
error ("Invalid frame name--not a string or nil");
if (STRINGP (name))
Vx_resource_name = name;
/* See if parent window is specified. */
parent = gui_display_get_arg (dpyinfo, parms, Qparent_id, NULL, NULL,
RES_TYPE_NUMBER);
if (BASE_EQ (parent, Qunbound))
parent = Qnil;
if (! NILP (parent))
CHECK_FIXNUM (parent);
frame = Qnil;
tem = gui_display_get_arg (dpyinfo,
parms, Qminibuffer, "minibuffer", "Minibuffer",
RES_TYPE_SYMBOL);
if (EQ (tem, Qnone) || NILP (tem))
f = make_frame_without_minibuffer (Qnil, kb, display);
else if (EQ (tem, Qonly))
{
f = make_minibuffer_frame ();
minibuffer_only = true;
}
else if (WINDOWP (tem))
f = make_frame_without_minibuffer (tem, kb, display);
else
f = make_frame (true);
parent_frame = gui_display_get_arg (dpyinfo,
parms,
Qparent_frame,
NULL,
NULL,
RES_TYPE_SYMBOL);
/* Accept parent-frame iff parent-id was not specified. */
if (!NILP (parent)
|| BASE_EQ (parent_frame, Qunbound)
|| NILP (parent_frame)
|| !FRAMEP (parent_frame)
|| !FRAME_LIVE_P (XFRAME (parent_frame))
|| !FRAME_X_P (XFRAME (parent_frame)))
parent_frame = Qnil;
fset_parent_frame (f, parent_frame);
store_frame_param (f, Qparent_frame, parent_frame);
if (!NILP (tem = (gui_display_get_arg (dpyinfo,
parms,
Qundecorated,
NULL,
NULL,
RES_TYPE_BOOLEAN)))
&& !(BASE_EQ (tem, Qunbound)))
undecorated = true;
FRAME_UNDECORATED (f) = undecorated;
store_frame_param (f, Qundecorated, undecorated ? Qt : Qnil);
if (!NILP (tem = (gui_display_get_arg (dpyinfo,
parms,
Qoverride_redirect,
NULL,
NULL,
RES_TYPE_BOOLEAN)))
&& !(BASE_EQ (tem, Qunbound)))
override_redirect = true;
FRAME_OVERRIDE_REDIRECT (f) = override_redirect;
store_frame_param (f, Qoverride_redirect, override_redirect ? Qt : Qnil);
XSETFRAME (frame, f);
f->terminal = dpyinfo->terminal;
f->output_method = output_x_window;
f->output_data.x = xzalloc (sizeof *f->output_data.x);
f->output_data.x->icon_bitmap = -1;
FRAME_FONTSET (f) = -1;
f->output_data.x->scroll_bar_foreground_pixel = -1;
f->output_data.x->scroll_bar_background_pixel = -1;
#if defined (USE_LUCID) && defined (USE_TOOLKIT_SCROLL_BARS)
f->output_data.x->scroll_bar_top_shadow_pixel = -1;
f->output_data.x->scroll_bar_bottom_shadow_pixel = -1;
#endif /* USE_LUCID && USE_TOOLKIT_SCROLL_BARS */
f->output_data.x->white_relief.pixel = -1;
f->output_data.x->black_relief.pixel = -1;
fset_icon_name (f, gui_display_get_arg (dpyinfo,
parms,
Qicon_name,
"iconName",
"Title",
RES_TYPE_STRING));
if (! STRINGP (f->icon_name))
fset_icon_name (f, Qnil);
FRAME_DISPLAY_INFO (f) = dpyinfo;
/* With FRAME_DISPLAY_INFO set up, this unwind-protect is safe. */
record_unwind_protect (do_unwind_create_frame, frame);
/* These colors will be set anyway later, but it's important
to get the color reference counts right, so initialize them! */
{
Lisp_Object black;
/* Function x_decode_color can signal an error. Make
sure to initialize color slots so that we won't try
to free colors we haven't allocated. */
FRAME_FOREGROUND_PIXEL (f) = -1;
FRAME_BACKGROUND_PIXEL (f) = -1;
f->output_data.x->cursor_pixel = -1;
f->output_data.x->cursor_foreground_pixel = -1;
f->output_data.x->border_pixel = -1;
f->output_data.x->mouse_pixel = -1;
black = build_string ("black");
FRAME_FOREGROUND_PIXEL (f)
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
FRAME_BACKGROUND_PIXEL (f)
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
f->output_data.x->cursor_pixel
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
f->output_data.x->cursor_foreground_pixel
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
f->output_data.x->border_pixel
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
f->output_data.x->mouse_pixel
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
}
/* Specify the parent under which to make this X window. */
if (!NILP (parent))
{
f->output_data.x->parent_desc = (Window) XFIXNAT (parent);
f->output_data.x->explicit_parent = true;
}
else
{
f->output_data.x->parent_desc = FRAME_DISPLAY_INFO (f)->root_window;
f->output_data.x->explicit_parent = false;
}
/* Set the name; the functions to which we pass f expect the name to
be set. */
if (BASE_EQ (name, Qunbound) || NILP (name))
{
fset_name (f, build_string (dpyinfo->x_id_name));
f->explicit_name = false;
}
else
{
fset_name (f, name);
f->explicit_name = true;
/* Use the frame's title when getting resources for this frame. */
specbind (Qx_resource_name, name);
}
#ifdef USE_CAIRO
register_font_driver (&ftcrfont_driver, f);
#ifdef HAVE_HARFBUZZ
register_font_driver (&ftcrhbfont_driver, f);
#endif /* HAVE_HARFBUZZ */
#else
#ifdef HAVE_FREETYPE
#ifdef HAVE_XFT
register_font_driver (&xftfont_driver, f);
#ifdef HAVE_HARFBUZZ
register_font_driver (&xfthbfont_driver, f);
#endif
#endif /* not HAVE_XFT */
#endif /* HAVE_FREETYPE */
#endif /* not USE_CAIRO */
register_font_driver (&xfont_driver, f);
image_cache_refcount =
FRAME_IMAGE_CACHE (f) ? FRAME_IMAGE_CACHE (f)->refcount : 0;
#ifdef GLYPH_DEBUG
dpyinfo_refcount = dpyinfo->reference_count;
#endif /* GLYPH_DEBUG */
gui_default_parameter (f, parms, Qfont_backend, Qnil,
"fontBackend", "FontBackend", RES_TYPE_STRING);
/* Extract the window parameters from the supplied values
that are needed to determine window geometry. */
x_default_font_parameter (f, parms);
if (!FRAME_FONT (f))
{
delete_frame (frame, Qnoelisp);
error ("Invalid frame font");
}
/* Frame contents get displaced if an embedded X window has a border. */
if (! FRAME_X_EMBEDDED_P (f))
gui_default_parameter (f, parms, Qborder_width, make_fixnum (0),
"borderWidth", "BorderWidth", RES_TYPE_NUMBER);
/* This defaults to 1 in order to match xterm. We recognize either
internalBorderWidth or internalBorder (which is what xterm calls
it). */
if (NILP (Fassq (Qinternal_border_width, parms)))
{
Lisp_Object value;
value = gui_display_get_arg (dpyinfo, parms, Qinternal_border_width,
"internalBorder", "internalBorder",
RES_TYPE_NUMBER);
if (! BASE_EQ (value, Qunbound))
parms = Fcons (Fcons (Qinternal_border_width, value),
parms);
}
gui_default_parameter (f, parms, Qinternal_border_width,
#ifdef USE_GTK /* We used to impose 0 in xg_create_frame_widgets. */
make_fixnum (0),
#else
make_fixnum (1),
#endif
"internalBorderWidth", "internalBorderWidth",
RES_TYPE_NUMBER);
/* Same for child frames. */
if (NILP (Fassq (Qchild_frame_border_width, parms)))
{
Lisp_Object value;
value = gui_display_get_arg (dpyinfo, parms, Qchild_frame_border_width,
"childFrameBorder", "childFrameBorder",
RES_TYPE_NUMBER);
if (! BASE_EQ (value, Qunbound))
parms = Fcons (Fcons (Qchild_frame_border_width, value),
parms);
}
gui_default_parameter (f, parms, Qchild_frame_border_width, Qnil,
"childFrameBorderWidth", "childFrameBorderWidth",
RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qright_divider_width, make_fixnum (0),
NULL, NULL, RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qbottom_divider_width, make_fixnum (0),
NULL, NULL, RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qvertical_scroll_bars,
#if defined (USE_GTK) && defined (USE_TOOLKIT_SCROLL_BARS)
Qright,
#else
Qleft,
#endif
"verticalScrollBars", "ScrollBars",
RES_TYPE_SYMBOL);
gui_default_parameter (f, parms, Qhorizontal_scroll_bars, Qnil,
"horizontalScrollBars", "ScrollBars",
RES_TYPE_SYMBOL);
/* Also do the stuff which must be set before the window exists. */
gui_default_parameter (f, parms, Qforeground_color, build_string ("black"),
"foreground", "Foreground", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qbackground_color, build_string ("white"),
"background", "Background", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qmouse_color, build_string ("black"),
"pointerColor", "Foreground", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qborder_color, build_string ("black"),
"borderColor", "BorderColor", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qscreen_gamma, Qnil,
"screenGamma", "ScreenGamma", RES_TYPE_FLOAT);
gui_default_parameter (f, parms, Qline_spacing, Qnil,
"lineSpacing", "LineSpacing", RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qleft_fringe, Qnil,
"leftFringe", "LeftFringe", RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qright_fringe, Qnil,
"rightFringe", "RightFringe", RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qno_special_glyphs, Qnil,
NULL, NULL, RES_TYPE_BOOLEAN);
#ifdef HAVE_GTK3
FRAME_OUTPUT_DATA (f)->scrollbar_background_css_provider
= gtk_css_provider_new ();
FRAME_OUTPUT_DATA (f)->scrollbar_foreground_css_provider
= gtk_css_provider_new ();
#endif
x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_foreground,
"scrollBarForeground",
"ScrollBarForeground", true);
x_default_scroll_bar_color_parameter (f, parms, Qscroll_bar_background,
"scrollBarBackground",
"ScrollBarBackground", false);
/* Init faces before gui_default_parameter is called for the
scroll-bar-width parameter because otherwise we end up in
init_iterator with a null face cache, which should not happen. */
init_frame_faces (f);
tem = gui_display_get_arg (dpyinfo, parms, Qmin_width, NULL, NULL,
RES_TYPE_NUMBER);
if (FIXNUMP (tem))
store_frame_param (f, Qmin_width, tem);
tem = gui_display_get_arg (dpyinfo, parms, Qmin_height, NULL, NULL,
RES_TYPE_NUMBER);
if (FIXNUMP (tem))
store_frame_param (f, Qmin_height, tem);
adjust_frame_size (f, FRAME_COLS (f) * FRAME_COLUMN_WIDTH (f),
FRAME_LINES (f) * FRAME_LINE_HEIGHT (f), 5, true,
Qx_create_frame_1);
/* Set the menu-bar-lines and tool-bar-lines parameters. We don't
look up the X resources controlling the menu-bar and tool-bar
here; they are processed specially at startup, and reflected in
the values of the mode variables. */
gui_default_parameter (f, parms, Qmenu_bar_lines,
NILP (Vmenu_bar_mode)
? make_fixnum (0) : make_fixnum (1),
NULL, NULL, RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qtab_bar_lines,
NILP (Vtab_bar_mode)
? make_fixnum (0) : make_fixnum (1),
NULL, NULL, RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qtool_bar_lines,
NILP (Vtool_bar_mode)
? make_fixnum (0) : make_fixnum (1),
NULL, NULL, RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qbuffer_predicate, Qnil,
"bufferPredicate", "BufferPredicate",
RES_TYPE_SYMBOL);
gui_default_parameter (f, parms, Qtitle, Qnil,
"title", "Title", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qwait_for_wm, Qt,
"waitForWM", "WaitForWM", RES_TYPE_BOOLEAN);
gui_default_parameter (f, parms, Qtool_bar_position,
FRAME_TOOL_BAR_POSITION (f), 0, 0, RES_TYPE_SYMBOL);
gui_default_parameter (f, parms, Qinhibit_double_buffering, Qnil,
"inhibitDoubleBuffering", "InhibitDoubleBuffering",
RES_TYPE_BOOLEAN);
/* Compute the size of the X window. */
window_prompting = gui_figure_window_size (f, parms, true, true);
tem = gui_display_get_arg (dpyinfo, parms, Qunsplittable, 0, 0,
RES_TYPE_BOOLEAN);
f->no_split = minibuffer_only || EQ (tem, Qt);
x_icon_verify (f, parms);
/* Create the X widget or window. */
#ifdef USE_X_TOOLKIT
x_window (f, window_prompting);
#else
x_window (f);
#endif
#ifndef USE_GTK
if (FRAME_X_EMBEDDED_P (f)
&& !x_embed_frame (dpyinfo, f))
error ("The frame could not be embedded; does the embedder exist?");
#endif
x_icon (f, parms);
x_make_gc (f);
/* While this function is present in versions of libXi that only
support 2.0, it does not release the display lock after
finishing, leading to a deadlock. */
#if defined HAVE_XINPUT2 && defined HAVE_XINPUT2_1
if (dpyinfo->supports_xi2)
FRAME_X_OUTPUT (f)->xi_masks
= XIGetSelectedEvents (dpyinfo->display, FRAME_X_WINDOW (f),
&FRAME_X_OUTPUT (f)->num_xi_masks);
#endif
/* Now consider the frame official. */
f->terminal->reference_count++;
FRAME_DISPLAY_INFO (f)->reference_count++;
Vframe_list = Fcons (frame, Vframe_list);
/* We need to do this after creating the X window, so that the
icon-creation functions can say whose icon they're describing. */
gui_default_parameter (f, parms, Qicon_type, Qt,
"bitmapIcon", "BitmapIcon", RES_TYPE_BOOLEAN);
gui_default_parameter (f, parms, Qauto_raise, Qnil,
"autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
gui_default_parameter (f, parms, Qauto_lower, Qnil,
"autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
gui_default_parameter (f, parms, Qcursor_type, Qbox,
"cursorType", "CursorType", RES_TYPE_SYMBOL);
gui_default_parameter (f, parms, Qscroll_bar_width, Qnil,
"scrollBarWidth", "ScrollBarWidth",
RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qscroll_bar_height, Qnil,
"scrollBarHeight", "ScrollBarHeight",
RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qalpha, Qnil,
"alpha", "Alpha", RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qalpha_background, Qnil,
"alphaBackground", "AlphaBackground", RES_TYPE_NUMBER);
if (!NILP (parent_frame))
{
struct frame *p = XFRAME (parent_frame);
block_input ();
XReparentWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
FRAME_X_WINDOW (p), f->left_pos, f->top_pos);
#ifdef USE_GTK
if (EQ (x_gtk_resize_child_frames, Qresize_mode))
gtk_container_set_resize_mode
(GTK_CONTAINER (FRAME_GTK_OUTER_WIDGET (f)), GTK_RESIZE_IMMEDIATE);
#endif
#ifdef HAVE_GTK3
gwin = gtk_widget_get_window (FRAME_GTK_OUTER_WIDGET (f));
gdk_x11_window_set_frame_sync_enabled (gwin, FALSE);
#endif
unblock_input ();
}
gui_default_parameter (f, parms, Qno_focus_on_map, Qnil,
NULL, NULL, RES_TYPE_BOOLEAN);
gui_default_parameter (f, parms, Qno_accept_focus, Qnil,
NULL, NULL, RES_TYPE_BOOLEAN);
#if defined (USE_X_TOOLKIT) || defined (USE_GTK)
/* Create the menu bar. */
if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f))
{
/* If this signals an error, we haven't set size hints for the
frame and we didn't make it visible. */
initialize_frame_menubar (f);
#ifndef USE_GTK
/* This is a no-op, except under Motif where it arranges the
main window for the widgets on it. */
lw_set_main_areas (f->output_data.x->column_widget,
f->output_data.x->menubar_widget,
f->output_data.x->edit_widget);
#endif /* not USE_GTK */
}
#endif /* USE_X_TOOLKIT || USE_GTK */
/* Consider frame official, now. */
f->can_set_window_size = true;
/* Tell the server what size and position, etc, we want, and how
badly we want them. This should be done after we have the menu
bar so that its size can be taken into account. */
block_input ();
x_wm_set_size_hint (f, window_prompting, false);
unblock_input ();
adjust_frame_size (f, FRAME_TEXT_WIDTH (f), FRAME_TEXT_HEIGHT (f),
0, true, Qx_create_frame_2);
/* Process fullscreen parameter here in the hope that normalizing a
fullheight/fullwidth frame will produce the size set by the last
adjust_frame_size call. */
gui_default_parameter (f, parms, Qfullscreen, Qnil,
"fullscreen", "Fullscreen", RES_TYPE_SYMBOL);
/* Make the window appear on the frame and enable display, unless
the caller says not to. However, with explicit parent, Emacs
cannot control visibility, so don't try. */
if (!f->output_data.x->explicit_parent)
{
/* When called from `x-create-frame-with-faces' visibility is
always explicitly nil. */
Lisp_Object visibility
= gui_display_get_arg (dpyinfo, parms, Qvisibility, 0, 0,
RES_TYPE_SYMBOL);
Lisp_Object height
= gui_display_get_arg (dpyinfo, parms, Qheight, 0, 0, RES_TYPE_NUMBER);
Lisp_Object width
= gui_display_get_arg (dpyinfo, parms, Qwidth, 0, 0, RES_TYPE_NUMBER);
if (EQ (visibility, Qicon))
{
f->was_invisible = true;
x_iconify_frame (f);
}
else
{
if (BASE_EQ (visibility, Qunbound))
visibility = Qt;
if (!NILP (visibility))
x_make_frame_visible (f);
else
f->was_invisible = true;
}
/* Leave f->was_invisible true only if height or width were
specified too. This takes effect only when we are not called
from `x-create-frame-with-faces' (see above comment). */
f->was_invisible
= (f->was_invisible
&& (!BASE_EQ (height, Qunbound) || !BASE_EQ (width, Qunbound)));
store_frame_param (f, Qvisibility, visibility);
}
block_input ();
/* Set machine name and pid for the purpose of window managers. */
set_machine_and_pid_properties (f);
/* Set the WM leader property. GTK does this itself, so this is not
needed when using GTK. */
if (dpyinfo->client_leader_window != 0)
{
XChangeProperty (FRAME_X_DISPLAY (f),
FRAME_OUTER_WINDOW (f),
dpyinfo->Xatom_wm_client_leader,
XA_WINDOW, 32, PropModeReplace,
(unsigned char *) &dpyinfo->client_leader_window, 1);
}
#ifdef HAVE_XSYNC
if (dpyinfo->xsync_supported_p
/* Frame synchronization isn't supported in child frames. */
&& NILP (parent_frame)
&& !f->output_data.x->explicit_parent)
{
#ifndef HAVE_GTK3
XSyncValue initial_value;
XSyncCounter counters[2];
AUTO_STRING (synchronizeResize, "synchronizeResize");
AUTO_STRING (SynchronizeResize, "SynchronizeResize");
Lisp_Object value = gui_display_get_resource (dpyinfo,
synchronizeResize,
SynchronizeResize,
Qnil, Qnil);
XSyncIntToValue (&initial_value, 0);
counters[0]
= FRAME_X_BASIC_COUNTER (f)
= XSyncCreateCounter (FRAME_X_DISPLAY (f),
initial_value);
if (STRINGP (value) && !strcmp (SSDATA (value), "extended"))
counters[1]
= FRAME_X_EXTENDED_COUNTER (f)
= XSyncCreateCounter (FRAME_X_DISPLAY (f),
initial_value);
FRAME_X_OUTPUT (f)->current_extended_counter_value
= initial_value;
XChangeProperty (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
dpyinfo->Xatom_net_wm_sync_request_counter,
XA_CARDINAL, 32, PropModeReplace,
(unsigned char *) &counters,
((STRINGP (value)
&& !strcmp (SSDATA (value), "extended")) ? 2 : 1));
#if defined HAVE_XSYNCTRIGGERFENCE && !defined USE_GTK \
&& defined HAVE_CLOCK_GETTIME
x_sync_init_fences (f);
#endif
#endif
}
#endif
unblock_input ();
/* Set whether or not frame synchronization is enabled. */
gui_default_parameter (f, parms, Quse_frame_synchronization, Qt,
NULL, NULL, RES_TYPE_BOOLEAN);
/* Works iff frame has been already mapped. */
gui_default_parameter (f, parms, Qskip_taskbar, Qnil,
NULL, NULL, RES_TYPE_BOOLEAN);
/* The `z-group' parameter works only for visible frames. */
gui_default_parameter (f, parms, Qz_group, Qnil,
NULL, NULL, RES_TYPE_SYMBOL);
/* Initialize `default-minibuffer-frame' in case this is the first
frame on this terminal. */
if (FRAME_HAS_MINIBUF_P (f)
&& (!FRAMEP (KVAR (kb, Vdefault_minibuffer_frame))
|| !FRAME_LIVE_P (XFRAME (KVAR (kb, Vdefault_minibuffer_frame)))))
kset_default_minibuffer_frame (kb, frame);
/* All remaining specified parameters, which have not been "used" by
gui_display_get_arg and friends, now go in the misc. alist of the
frame. */
for (tem = parms; CONSP (tem); tem = XCDR (tem))
if (CONSP (XCAR (tem)) && !NILP (XCAR (XCAR (tem))))
fset_param_alist (f, Fcons (XCAR (tem), f->param_alist));
/* Make sure windows on this frame appear in calls to next-window
and similar functions. */
Vwindow_list = Qnil;
return unbind_to (count, frame);
}
\f
DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0,
doc: /* Internal function called by `color-defined-p'.
\(Note that the Nextstep version of this function ignores FRAME.) */)
(Lisp_Object color, Lisp_Object frame)
{
XColor foo;
struct frame *f = decode_window_system_frame (frame);
CHECK_STRING (color);
if (x_defined_color (f, SSDATA (color), &foo, false, false))
return Qt;
else
return Qnil;
}
DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0,
doc: /* Internal function called by `color-values'.
\(Note that the Nextstep version of this function ignores FRAME.) */)
(Lisp_Object color, Lisp_Object frame)
{
XColor foo;
struct frame *f = decode_window_system_frame (frame);
CHECK_STRING (color);
if (x_defined_color (f, SSDATA (color), &foo, false, false))
return list3i (foo.red, foo.green, foo.blue);
else
return Qnil;
}
DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0,
doc: /* Internal function called by `display-color-p'. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
if (dpyinfo->n_planes <= 2)
return Qnil;
switch (dpyinfo->visual_info.class)
{
case StaticColor:
case PseudoColor:
case TrueColor:
case DirectColor:
return Qt;
default:
return Qnil;
}
}
DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p, Sx_display_grayscale_p,
0, 1, 0,
doc: /* Return t if the X display supports shades of gray.
Note that color displays do support shades of gray.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
if (dpyinfo->n_planes <= 1)
return Qnil;
switch (dpyinfo->visual_info.class)
{
case StaticColor:
case PseudoColor:
case TrueColor:
case DirectColor:
case StaticGray:
case GrayScale:
return Qt;
default:
return Qnil;
}
}
DEFUN ("x-display-pixel-width", Fx_display_pixel_width, Sx_display_pixel_width,
0, 1, 0,
doc: /* Return the width in pixels of the X display TERMINAL.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
\(On MS Windows, this function does not accept terminal objects.)
On \"multi-monitor\" setups this refers to the pixel width for all
physical monitors associated with TERMINAL. To get information for
each physical monitor, use `display-monitor-attributes-list'. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
return make_fixnum (x_display_pixel_width (dpyinfo));
}
DEFUN ("x-display-pixel-height", Fx_display_pixel_height,
Sx_display_pixel_height, 0, 1, 0,
doc: /* Return the height in pixels of the X display TERMINAL.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
\(On MS Windows, this function does not accept terminal objects.)
On \"multi-monitor\" setups this refers to the pixel height for all
physical monitors associated with TERMINAL. To get information for
each physical monitor, use `display-monitor-attributes-list'. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
return make_fixnum (x_display_pixel_height (dpyinfo));
}
DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes,
0, 1, 0,
doc: /* Return the number of bitplanes of the X display TERMINAL.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
\(On MS Windows, this function does not accept terminal objects.) */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
return make_fixnum (dpyinfo->n_planes);
}
DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells,
0, 1, 0,
doc: /* Return the number of color cells of the X display TERMINAL.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
\(On MS Windows, this function does not accept terminal objects.) */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
if (dpyinfo->visual_info.class != TrueColor
&& dpyinfo->visual_info.class != DirectColor)
return make_fixnum (dpyinfo->visual_info.colormap_size);
int nr_planes = dpyinfo->n_planes;
/* Truncate nr_planes to 24 to avoid integer overflow. Some
displays says 32, but only 24 bits are actually significant.
There are only very few and rare video cards that have more than
24 significant bits. Also 24 bits is more than 16 million
colors, it "should be enough for everyone". */
if (nr_planes > 24) nr_planes = 24;
return make_fixnum (1 << nr_planes);
}
DEFUN ("x-server-max-request-size", Fx_server_max_request_size,
Sx_server_max_request_size,
0, 1, 0,
doc: /* Return the maximum request size of the X server of display TERMINAL.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
On MS Windows, this function just returns 1.
On Nextstep, this function just returns nil. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
return make_fixnum (MAXREQUEST (dpyinfo->display));
}
DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0,
doc: /* Return the "vendor ID" string of the GUI software on TERMINAL.
\(Labeling every distributor as a "vendor" embodies the false assumption
that operating systems cannot be developed and distributed noncommercially.)
The optional argument TERMINAL specifies which display to ask about.
For GNU and Unix systems, this queries the X server software.
For MS Windows and Nextstep the result is hard-coded.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
const char *vendor = ServerVendor (dpyinfo->display);
if (! vendor) vendor = "";
return build_string (vendor);
}
DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0,
doc: /* Return the version numbers of the GUI software on TERMINAL.
The value is a list of three integers specifying the version of the GUI
software in use.
For GNU and Unix system, the first 2 numbers are the version of the X
Protocol used on TERMINAL and the 3rd number is the distributor-specific
release number. For MS Windows, the 3 numbers report the OS major and
minor version and build number. For Nextstep, the first 2 numbers are
hard-coded and the 3rd represents the OS version. For Haiku, all 3
numbers are hard-coded.
See also the function `x-server-vendor'.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
Display *dpy = dpyinfo->display;
return list3i (ProtocolVersion (dpy), ProtocolRevision (dpy),
VendorRelease (dpy));
}
DEFUN ("x-server-input-extension-version", Fx_server_input_extension_version,
Sx_server_input_extension_version, 0, 1, 0,
doc: /* Return the version of the X Input Extension supported by TERMINAL.
The value is nil if TERMINAL's X server doesn't support the X Input
Extension extension, or if Emacs doesn't support the version present
on that server. Otherwise, the return value is a list of the major
and minor versions of the X Input Extension extension running on that
server. */)
(Lisp_Object terminal)
{
#ifdef HAVE_XINPUT2
struct x_display_info *dpyinfo = check_x_display_info (terminal);
return (dpyinfo->supports_xi2
? list2i (2, dpyinfo->xi2_version)
: Qnil);
#else
return Qnil;
#endif
}
DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0,
doc: /* Return the number of screens on the X server of display TERMINAL.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
On MS Windows, this function just returns 1.
On Nextstep, "screen" is in X terminology, not that of Nextstep.
For the number of physical monitors, use `(length
\(display-monitor-attributes-list TERMINAL))' instead. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
return make_fixnum (ScreenCount (dpyinfo->display));
}
DEFUN ("x-display-mm-height", Fx_display_mm_height, Sx_display_mm_height, 0, 1, 0,
doc: /* Return the height in millimeters of the X display TERMINAL.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
\(On MS Windows, this function does not accept terminal objects.)
On \"multi-monitor\" setups this refers to the height in millimeters for
all physical monitors associated with TERMINAL. To get information
for each physical monitor, use `display-monitor-attributes-list'. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
if (dpyinfo->screen_mm_height)
return make_fixnum (dpyinfo->screen_mm_height);
return make_fixnum (HeightMMOfScreen (dpyinfo->screen));
}
DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0,
doc: /* Return the width in millimeters of the X display TERMINAL.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
\(On MS Windows, this function does not accept terminal objects.)
On \"multi-monitor\" setups this refers to the width in millimeters for
all physical monitors associated with TERMINAL. To get information
for each physical monitor, use `display-monitor-attributes-list'. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
if (dpyinfo->screen_mm_width)
return make_fixnum (dpyinfo->screen_mm_width);
return make_fixnum (WidthMMOfScreen (dpyinfo->screen));
}
DEFUN ("x-display-backing-store", Fx_display_backing_store,
Sx_display_backing_store, 0, 1, 0,
doc: /* Return an indication of whether X display TERMINAL does backing store.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
The value may be `always', `when-mapped', or `not-useful'.
On Nextstep, the value may be `buffered', `retained', or `non-retained'.
On MS Windows, this returns nothing useful. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
Lisp_Object result;
switch (DoesBackingStore (dpyinfo->screen))
{
case Always:
result = Qalways;
break;
case WhenMapped:
result = Qwhen_mapped;
break;
case NotUseful:
result = Qnot_useful;
break;
default:
error ("Strange value for BackingStore parameter of screen");
}
return result;
}
DEFUN ("x-display-visual-class", Fx_display_visual_class,
Sx_display_visual_class, 0, 1, 0,
doc: /* Return the visual class of the X display TERMINAL.
The value is one of the symbols `static-gray', `gray-scale',
`static-color', `pseudo-color', `true-color', or `direct-color'.
\(On MS Windows, the second and last result above are not possible.)
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
\(On MS Windows, this function does not accept terminal objects.) */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
Lisp_Object result;
switch (dpyinfo->visual_info.class)
{
case StaticGray:
result = Qstatic_gray;
break;
case GrayScale:
result = Qgray_scale;
break;
case StaticColor:
result = Qstatic_color;
break;
case PseudoColor:
result = Qpseudo_color;
break;
case TrueColor:
result = Qtrue_color;
break;
case DirectColor:
result = Qdirect_color;
break;
default:
error ("Display has an unknown visual class");
}
return result;
}
DEFUN ("x-display-save-under", Fx_display_save_under,
Sx_display_save_under, 0, 1, 0,
doc: /* Return t if the X display TERMINAL supports the save-under feature.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
On MS Windows, this just returns nil. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
if (DoesSaveUnders (dpyinfo->screen) == True)
return Qt;
else
return Qnil;
}
#if !(defined USE_GTK && defined HAVE_GTK3)
/* Store the geometry of the workarea on display DPYINFO into *RECT.
Return false if and only if the workarea information cannot be
obtained via the _NET_WORKAREA root window property. */
static bool
x_get_net_workarea (struct x_display_info *dpyinfo, XRectangle *rect)
{
#ifndef USE_XCB
Display *dpy = dpyinfo->display;
long offset, max_len;
Atom target_type, actual_type;
unsigned long actual_size, bytes_remaining;
int rc, actual_format;
unsigned char *tmp_data = NULL;
bool result = false;
x_catch_errors (dpy);
offset = 0;
max_len = 1;
target_type = XA_CARDINAL;
rc = XGetWindowProperty (dpy, dpyinfo->root_window,
dpyinfo->Xatom_net_current_desktop,
offset, max_len, False, target_type,
&actual_type, &actual_format, &actual_size,
&bytes_remaining, &tmp_data);
if (rc == Success && actual_type == target_type && !x_had_errors_p (dpy)
&& actual_format == 32 && actual_size == max_len)
{
long current_desktop = ((long *) tmp_data)[0];
XFree (tmp_data);
tmp_data = NULL;
offset = 4 * current_desktop;
max_len = 4;
rc = XGetWindowProperty (dpy, dpyinfo->root_window,
dpyinfo->Xatom_net_workarea,
offset, max_len, False, target_type,
&actual_type, &actual_format, &actual_size,
&bytes_remaining, &tmp_data);
if (rc == Success && actual_type == target_type && !x_had_errors_p (dpy)
&& actual_format == 32 && actual_size == max_len)
{
long *values = (long *) tmp_data;
rect->x = values[0];
rect->y = values[1];
rect->width = values[2];
rect->height = values[3];
XFree (tmp_data);
tmp_data = NULL;
result = true;
}
}
if (tmp_data)
XFree (tmp_data);
x_uncatch_errors ();
return result;
#else
xcb_get_property_cookie_t current_desktop_cookie;
xcb_get_property_cookie_t workarea_cookie;
xcb_get_property_reply_t *reply;
xcb_generic_error_t *error;
bool rc;
uint32_t current_workspace, *values;
current_desktop_cookie
= xcb_get_property (dpyinfo->xcb_connection, 0,
(xcb_window_t) dpyinfo->root_window,
(xcb_atom_t) dpyinfo->Xatom_net_current_desktop,
XCB_ATOM_CARDINAL, 0, 1);
workarea_cookie
= xcb_get_property (dpyinfo->xcb_connection, 0,
(xcb_window_t) dpyinfo->root_window,
(xcb_atom_t) dpyinfo->Xatom_net_workarea,
XCB_ATOM_CARDINAL, 0, UINT32_MAX);
reply = xcb_get_property_reply (dpyinfo->xcb_connection,
current_desktop_cookie, &error);
rc = true;
if (!reply)
free (error), rc = false;
else
{
if (xcb_get_property_value_length (reply) != 4
|| reply->type != XCB_ATOM_CARDINAL || reply->format != 32)
rc = false;
else
current_workspace = *(uint32_t *) xcb_get_property_value (reply);
free (reply);
}
reply = xcb_get_property_reply (dpyinfo->xcb_connection,
workarea_cookie, &error);
if (!reply)
free (error), rc = false;
else
{
if (rc && reply->type == XCB_ATOM_CARDINAL && reply->format == 32
&& (xcb_get_property_value_length (reply) / sizeof (uint32_t)
>= current_workspace + 4))
{
values = xcb_get_property_value (reply);
rect->x = values[current_workspace];
rect->y = values[current_workspace + 1];
rect->width = values[current_workspace + 2];
rect->height = values[current_workspace + 3];
}
else
rc = false;
free (reply);
}
return rc;
#endif
}
#endif /* !(USE_GTK && HAVE_GTK3) */
#ifndef USE_GTK
/* Return monitor number where F is "most" or closest to. */
static int
x_get_monitor_for_frame (struct frame *f,
struct MonitorInfo *monitors,
int n_monitors)
{
XRectangle frect;
int area = 0, dist = -1;
int best_area = -1, best_dist = -1;
int i;
if (n_monitors == 1) return 0;
frect.x = f->left_pos;
frect.y = f->top_pos;
frect.width = FRAME_PIXEL_WIDTH (f);
frect.height = FRAME_PIXEL_HEIGHT (f);
for (i = 0; i < n_monitors; ++i)
{
struct MonitorInfo *mi = &monitors[i];
XRectangle res;
int a = 0;
if (mi->geom.width == 0) continue;
if (gui_intersect_rectangles (&mi->geom, &frect, &res))
{
a = res.width * res.height;
if (a > area)
{
area = a;
best_area = i;
}
}
if (a == 0 && area == 0)
{
int dx, dy, d;
if (frect.x + frect.width < mi->geom.x)
dx = mi->geom.x - frect.x + frect.width;
else if (frect.x > mi->geom.x + mi->geom.width)
dx = frect.x - mi->geom.x + mi->geom.width;
else
dx = 0;
if (frect.y + frect.height < mi->geom.y)
dy = mi->geom.y - frect.y + frect.height;
else if (frect.y > mi->geom.y + mi->geom.height)
dy = frect.y - mi->geom.y + mi->geom.height;
else
dy = 0;
d = dx*dx + dy*dy;
if (dist == -1 || dist > d)
{
dist = d;
best_dist = i;
}
}
}
return best_area != -1 ? best_area : (best_dist != -1 ? best_dist : 0);
}
static Lisp_Object
x_make_monitor_attribute_list (struct MonitorInfo *monitors,
int n_monitors,
int primary_monitor,
struct x_display_info *dpyinfo,
const char *source)
{
Lisp_Object monitor_frames = make_nil_vector (n_monitors);
Lisp_Object frame, rest;
FOR_EACH_FRAME (rest, frame)
{
struct frame *f = XFRAME (frame);
if (FRAME_X_P (f)
&& FRAME_DISPLAY_INFO (f) == dpyinfo
&& !FRAME_TOOLTIP_P (f))
{
int i = x_get_monitor_for_frame (f, monitors, n_monitors);
ASET (monitor_frames, i, Fcons (frame, AREF (monitor_frames, i)));
}
}
return make_monitor_attribute_list (monitors, n_monitors, primary_monitor,
monitor_frames, source);
}
static Lisp_Object
x_get_monitor_attributes_fallback (struct x_display_info *dpyinfo)
{
struct MonitorInfo monitor;
XRectangle workarea_r;
/* Fallback: treat (possibly) multiple physical monitors as if they
formed a single monitor as a whole. This should provide a
consistent result at least on single monitor environments. */
monitor.geom.x = monitor.geom.y = 0;
monitor.geom.width = x_display_pixel_width (dpyinfo);
monitor.geom.height = x_display_pixel_height (dpyinfo);
monitor.mm_width = WidthMMOfScreen (dpyinfo->screen);
monitor.mm_height = HeightMMOfScreen (dpyinfo->screen);
monitor.name = xstrdup ("combined screen");
if (x_get_net_workarea (dpyinfo, &workarea_r))
monitor.work = workarea_r;
else
monitor.work = monitor.geom;
return x_make_monitor_attribute_list (&monitor, 1, 0, dpyinfo, "fallback");
}
#ifdef HAVE_XINERAMA
static Lisp_Object
x_get_monitor_attributes_xinerama (struct x_display_info *dpyinfo)
{
int n_monitors, i;
Lisp_Object attributes_list = Qnil;
Display *dpy = dpyinfo->display;
XineramaScreenInfo *info = XineramaQueryScreens (dpy, &n_monitors);
struct MonitorInfo *monitors;
double mm_width_per_pixel, mm_height_per_pixel;
if (! info || n_monitors == 0)
{
if (info)
XFree (info);
return attributes_list;
}
mm_width_per_pixel = ((double) WidthMMOfScreen (dpyinfo->screen)
/ x_display_pixel_width (dpyinfo));
mm_height_per_pixel = ((double) HeightMMOfScreen (dpyinfo->screen)
/ x_display_pixel_height (dpyinfo));
monitors = xzalloc (n_monitors * sizeof *monitors);
for (i = 0; i < n_monitors; ++i)
{
struct MonitorInfo *mi = &monitors[i];
XRectangle workarea_r;
mi->geom.x = info[i].x_org;
mi->geom.y = info[i].y_org;
mi->geom.width = info[i].width;
mi->geom.height = info[i].height;
mi->mm_width = mi->geom.width * mm_width_per_pixel + 0.5;
mi->mm_height = mi->geom.height * mm_height_per_pixel + 0.5;
mi->name = 0;
/* Xinerama usually have primary monitor first, just use that. */
if (i == 0 && x_get_net_workarea (dpyinfo, &workarea_r))
{
mi->work = workarea_r;
if (! gui_intersect_rectangles (&mi->geom, &mi->work, &mi->work))
mi->work = mi->geom;
}
else
mi->work = mi->geom;
}
XFree (info);
attributes_list = x_make_monitor_attribute_list (monitors,
n_monitors,
0,
dpyinfo,
"Xinerama");
free_monitors (monitors, n_monitors);
return attributes_list;
}
#endif /* HAVE_XINERAMA */
#ifdef HAVE_XRANDR
static Lisp_Object
x_get_monitor_attributes_xrandr (struct x_display_info *dpyinfo)
{
Lisp_Object attributes_list = Qnil;
XRRScreenResources *resources;
Display *dpy = dpyinfo->display;
int i, n_monitors, primary = -1;
RROutput pxid = None;
struct MonitorInfo *monitors;
bool randr15_p = false;
#if RANDR_MAJOR > 1 || (RANDR_MAJOR == 1 && RANDR_MINOR >= 5)
XRRMonitorInfo *rr_monitors;
#ifdef USE_XCB
xcb_get_atom_name_cookie_t *atom_name_cookies;
xcb_get_atom_name_reply_t *reply;
xcb_generic_error_t *error;
int length;
#endif
/* If RandR 1.5 or later is available, use that instead, as some
video drivers don't report correct dimensions via other versions
of RandR. */
if (dpyinfo->xrandr_major_version > 1
|| (dpyinfo->xrandr_major_version == 1
&& dpyinfo->xrandr_minor_version >= 5))
{
XRectangle workarea;
char *name;
rr_monitors = XRRGetMonitors (dpyinfo->display,
dpyinfo->root_window,
True, &n_monitors);
if (!rr_monitors)
goto fallback;
monitors = xzalloc (n_monitors * sizeof *monitors);
#ifdef USE_XCB
atom_name_cookies = alloca (n_monitors * sizeof *atom_name_cookies);
#endif
for (int i = 0; i < n_monitors; ++i)
{
monitors[i].geom.x = rr_monitors[i].x;
monitors[i].geom.y = rr_monitors[i].y;
monitors[i].geom.width = rr_monitors[i].width;
monitors[i].geom.height = rr_monitors[i].height;
monitors[i].mm_width = rr_monitors[i].mwidth;
monitors[i].mm_height = rr_monitors[i].mheight;
#ifndef USE_XCB
name = XGetAtomName (dpyinfo->display, rr_monitors[i].name);
if (name)
{
monitors[i].name = xstrdup (name);
XFree (name);
}
else
monitors[i].name = xstrdup ("Unknown Monitor");
#else
atom_name_cookies[i]
= xcb_get_atom_name (dpyinfo->xcb_connection,
(xcb_atom_t) rr_monitors[i].name);
#endif
if (rr_monitors[i].primary)
primary = i;
if (rr_monitors[i].primary
&& x_get_net_workarea (dpyinfo, &workarea))
{
monitors[i].work = workarea;
if (!gui_intersect_rectangles (&monitors[i].geom,
&monitors[i].work,
&monitors[i].work))
monitors[i].work = monitors[i].geom;
}
else
monitors[i].work = monitors[i].geom;
}
#ifdef USE_XCB
for (int i = 0; i < n_monitors; ++i)
{
reply = xcb_get_atom_name_reply (dpyinfo->xcb_connection,
atom_name_cookies[i], &error);
if (!reply)
{
monitors[i].name = xstrdup ("Unknown monitor");
free (error);
}
else
{
length = xcb_get_atom_name_name_length (reply);
name = xmalloc (length + 1);
memcpy (name, xcb_get_atom_name_name (reply), length);
name[length] = '\0';
monitors[i].name = name;
free (reply);
}
}
#endif
XRRFreeMonitors (rr_monitors);
randr15_p = true;
goto out;
}
fallback:;
#endif
#define RANDR13_LIBRARY \
(RANDR_MAJOR > 1 || (RANDR_MAJOR == 1 && RANDR_MINOR >= 3))
#if RANDR13_LIBRARY
/* Check if the display supports 1.3 too. */
bool randr13_avail = (dpyinfo->xrandr_major_version > 1
|| (dpyinfo->xrandr_major_version == 1
&& dpyinfo->xrandr_minor_version >= 3));
if (randr13_avail)
resources = XRRGetScreenResourcesCurrent (dpy, dpyinfo->root_window);
else
resources = XRRGetScreenResources (dpy, dpyinfo->root_window);
#else
resources = XRRGetScreenResources (dpy, dpyinfo->root_window);
#endif
if (! resources || resources->noutput == 0)
{
if (resources)
XRRFreeScreenResources (resources);
return Qnil;
}
n_monitors = resources->noutput;
monitors = xzalloc (n_monitors * sizeof *monitors);
#if RANDR13_LIBRARY
if (randr13_avail)
pxid = XRRGetOutputPrimary (dpy, dpyinfo->root_window);
#endif
#undef RANDR13_LIBRARY
for (i = 0; i < n_monitors; ++i)
{
XRROutputInfo *info = XRRGetOutputInfo (dpy, resources,
resources->outputs[i]);
if (!info)
continue;
if (strcmp (info->name, "default") == 0)
{
/* Non XRandr 1.2 driver, does not give useful data. */
XRRFreeOutputInfo (info);
XRRFreeScreenResources (resources);
free_monitors (monitors, n_monitors);
return Qnil;
}
if (info->connection != RR_Disconnected && info->crtc != None)
{
XRRCrtcInfo *crtc = XRRGetCrtcInfo (dpy, resources, info->crtc);
struct MonitorInfo *mi = &monitors[i];
XRectangle workarea_r;
if (! crtc)
{
XRRFreeOutputInfo (info);
continue;
}
mi->geom.x = crtc->x;
mi->geom.y = crtc->y;
mi->geom.width = crtc->width;
mi->geom.height = crtc->height;
mi->mm_width = info->mm_width;
mi->mm_height = info->mm_height;
mi->name = xstrdup (info->name);
if (pxid != None && pxid == resources->outputs[i])
primary = i;
else if (primary == -1 && strcmp (info->name, "LVDS") == 0)
primary = i;
if (i == primary && x_get_net_workarea (dpyinfo, &workarea_r))
{
mi->work= workarea_r;
if (! gui_intersect_rectangles (&mi->geom, &mi->work, &mi->work))
mi->work = mi->geom;
}
else
mi->work = mi->geom;
XRRFreeCrtcInfo (crtc);
}
XRRFreeOutputInfo (info);
}
XRRFreeScreenResources (resources);
#if RANDR_MAJOR > 1 || (RANDR_MAJOR == 1 && RANDR_MINOR >= 5)
out:
#endif
attributes_list = x_make_monitor_attribute_list (monitors,
n_monitors,
primary,
dpyinfo,
(randr15_p
? "XRandR 1.5"
: "XRandr"));
free_monitors (monitors, n_monitors);
return attributes_list;
}
#endif /* HAVE_XRANDR */
static Lisp_Object
x_get_monitor_attributes (struct x_display_info *dpyinfo)
{
Lisp_Object attributes_list = Qnil;
Display *dpy = dpyinfo->display;
(void) dpy; /* Suppress unused variable warning. */
#ifdef HAVE_XRANDR
bool xrr_ok = ((dpyinfo->xrandr_major_version == 1
&& dpyinfo->xrandr_minor_version >= 2)
|| dpyinfo->xrandr_major_version > 1);
if (xrr_ok)
attributes_list = x_get_monitor_attributes_xrandr (dpyinfo);
#endif /* HAVE_XRANDR */
#ifdef HAVE_XINERAMA
if (NILP (attributes_list))
{
if (dpyinfo->xinerama_supported_p && XineramaIsActive (dpy))
attributes_list = x_get_monitor_attributes_xinerama (dpyinfo);
}
#endif /* HAVE_XINERAMA */
if (NILP (attributes_list))
attributes_list = x_get_monitor_attributes_fallback (dpyinfo);
return attributes_list;
}
#endif /* !USE_GTK */
#ifdef USE_LUCID
/* This is used by the Lucid menu widget, but it's defined here so we
can make use of a great deal of existing code. */
static void
xlw_monitor_dimensions_at_pos_1 (struct x_display_info *dpyinfo,
Screen *screen, int src_x, int src_y,
int *x, int *y, int *width, int *height)
{
Lisp_Object attrs, tem, val;
attrs = x_get_monitor_attributes (dpyinfo);
for (tem = attrs; CONSP (tem); tem = XCDR (tem))
{
int sx, sy, swidth, sheight;
val = assq_no_quit (Qworkarea, XCAR (tem));
if (!NILP (val))
{
sx = XFIXNUM (XCAR (XCDR (val)));
sy = XFIXNUM (XCAR (XCDR (XCDR (val))));
swidth = XFIXNUM (XCAR (XCDR (XCDR (XCDR (val)))));
sheight = XFIXNUM (XCAR (XCDR (XCDR (XCDR (XCDR (val))))));
if (sx <= src_x && src_x < (sx + swidth)
&& sy <= src_y && src_y < (sy + swidth))
{
*x = sx;
*y = sy;
*width = swidth;
*height = sheight;
return;
}
}
}
*x = 0;
*y = 0;
*width = WidthOfScreen (screen);
*height = HeightOfScreen (screen);
}
void
xlw_monitor_dimensions_at_pos (Display *dpy, Screen *screen, int src_x,
int src_y, int *x, int *y, int *width, int *height)
{
struct x_display_info *dpyinfo = x_display_info_for_display (dpy);
if (!dpyinfo)
emacs_abort ();
block_input ();
xlw_monitor_dimensions_at_pos_1 (dpyinfo, screen, src_x, src_y,
x, y, width, height);
unblock_input ();
}
#endif
DEFUN ("x-display-monitor-attributes-list", Fx_display_monitor_attributes_list,
Sx_display_monitor_attributes_list,
0, 1, 0,
doc: /* Return a list of physical monitor attributes on the X display TERMINAL.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be a terminal object, a frame or a display name (a string).
If omitted or nil, that stands for the selected frame's display.
In addition to the standard attribute keys listed in
`display-monitor-attributes-list', the following keys are contained in
the attributes:
source -- String describing the source from which multi-monitor
information is obtained, one of \"Gdk\", \"XRandR 1.5\",
\"XRandr\", \"Xinerama\", or \"fallback\"
Internal use only, use `display-monitor-attributes-list' instead. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
Lisp_Object attributes_list = Qnil;
#ifdef USE_GTK
GdkDisplay *gdpy;
#if ! GTK_CHECK_VERSION (3, 22, 0)
double mm_width_per_pixel, mm_height_per_pixel;
GdkScreen *gscreen;
#endif
gint primary_monitor = 0, n_monitors, i;
Lisp_Object monitor_frames, rest, frame;
static const char *source = "Gdk";
struct MonitorInfo *monitors;
block_input ();
gdpy = gdk_x11_lookup_xdisplay (dpyinfo->display);
#if GTK_CHECK_VERSION (3, 22, 0)
n_monitors = gdk_display_get_n_monitors (gdpy);
#else
gscreen = gdk_display_get_default_screen (gdpy);
n_monitors = gdk_screen_get_n_monitors (gscreen);
primary_monitor = gdk_screen_get_primary_monitor (gscreen);
/* Fallback if gdk_screen_get_monitor_{width,height}_mm fail */
mm_width_per_pixel = ((double) WidthMMOfScreen (dpyinfo->screen)
/ x_display_pixel_width (dpyinfo));
mm_height_per_pixel = ((double) HeightMMOfScreen (dpyinfo->screen)
/ x_display_pixel_height (dpyinfo));
#endif
monitor_frames = make_nil_vector (n_monitors);
monitors = xzalloc (n_monitors * sizeof *monitors);
FOR_EACH_FRAME (rest, frame)
{
struct frame *f = XFRAME (frame);
if (FRAME_X_P (f)
&& FRAME_DISPLAY_INFO (f) == dpyinfo
&& !FRAME_TOOLTIP_P (f))
{
GdkWindow *gwin = gtk_widget_get_window (FRAME_GTK_WIDGET (f));
#if GTK_CHECK_VERSION (3, 22, 0)
for (i = 0; i < n_monitors; i++)
if (gdk_display_get_monitor_at_window (gdpy, gwin)
== gdk_display_get_monitor (gdpy, i))
break;
#else
i = gdk_screen_get_monitor_at_window (gscreen, gwin);
#endif
ASET (monitor_frames, i, Fcons (frame, AREF (monitor_frames, i)));
}
}
for (i = 0; i < n_monitors; ++i)
{
gint width_mm, height_mm;
GdkRectangle rec, work;
struct MonitorInfo *mi = &monitors[i];
int scale = 1;
#if GTK_CHECK_VERSION (3, 22, 0)
GdkMonitor *monitor = gdk_display_get_monitor (gdpy, i);
if (gdk_monitor_is_primary (monitor))
primary_monitor = i;
gdk_monitor_get_geometry (monitor, &rec);
#else
gdk_screen_get_monitor_geometry (gscreen, i, &rec);
#endif
#if GTK_CHECK_VERSION (3, 22, 0)
width_mm = gdk_monitor_get_width_mm (monitor);
height_mm = gdk_monitor_get_height_mm (monitor);
#else
width_mm = gdk_screen_get_monitor_width_mm (gscreen, i);
height_mm = gdk_screen_get_monitor_height_mm (gscreen, i);
if (width_mm < 0)
width_mm = rec.width * mm_width_per_pixel + 0.5;
if (height_mm < 0)
height_mm = rec.height * mm_height_per_pixel + 0.5;
#endif
#if GTK_CHECK_VERSION (3, 22, 0)
gdk_monitor_get_workarea (monitor, &work);
#elif defined HAVE_GTK3
gdk_screen_get_monitor_workarea (gscreen, i, &work);
#else
/* Emulate the behavior of GTK+ 3.4. */
{
XRectangle workarea_r;
if (i == primary_monitor && x_get_net_workarea (dpyinfo, &workarea_r))
{
work.x = workarea_r.x;
work.y = workarea_r.y;
work.width = workarea_r.width;
work.height = workarea_r.height;
if (! gdk_rectangle_intersect (&rec, &work, &work))
work = rec;
}
else
work = rec;
}
#endif
/* GTK returns scaled sizes for the workareas. */
#if GTK_CHECK_VERSION (3, 22, 0)
scale = gdk_monitor_get_scale_factor (monitor);
#elif defined HAVE_GTK3
scale = gdk_screen_get_monitor_scale_factor (gscreen, i);
#endif
rec.x *= scale;
rec.y *= scale;
rec.width *= scale;
rec.height *= scale;
work.x *= scale;
work.y *= scale;
work.width *= scale;
work.height *= scale;
mi->geom.x = rec.x;
mi->geom.y = rec.y;
mi->geom.width = rec.width;
mi->geom.height = rec.height;
mi->work.x = work.x;
mi->work.y = work.y;
mi->work.width = work.width;
mi->work.height = work.height;
mi->mm_width = width_mm;
mi->mm_height = height_mm;
#if GTK_CHECK_VERSION (3, 22, 0)
dupstring (&mi->name, (gdk_monitor_get_model (monitor)));
#else
mi->name = gdk_screen_get_monitor_plug_name (gscreen, i);
#endif
}
attributes_list = make_monitor_attribute_list (monitors,
n_monitors,
primary_monitor,
monitor_frames,
source);
free_monitors (monitors, n_monitors);
unblock_input ();
#else /* not USE_GTK */
block_input ();
attributes_list = x_get_monitor_attributes (dpyinfo);
unblock_input ();
#endif /* not USE_GTK */
return attributes_list;
}
/* Return geometric attributes of FRAME. According to the value of
ATTRIBUTES return the outer edges of FRAME (Qouter_edges), the native
edges of FRAME (Qnative_edges), or the inner edges of frame
(Qinner_edges). Any other value means to return the geometry as
returned by Fx_frame_geometry. */
static Lisp_Object
frame_geometry (Lisp_Object frame, Lisp_Object attribute)
{
struct frame *f = decode_live_frame (frame);
/** XWindowAttributes atts; **/
Window rootw;
unsigned int ign, native_width, native_height, x_border_width = 0;
int x_native = 0, y_native = 0, xptr = 0, yptr = 0;
int left_off = 0, right_off = 0, top_off = 0, bottom_off = 0;
int outer_left, outer_top, outer_right, outer_bottom;
int native_left, native_top, native_right, native_bottom;
int inner_left, inner_top, inner_right, inner_bottom;
int internal_border_width;
bool menu_bar_external = false, tool_bar_external = false;
int menu_bar_height = 0, menu_bar_width = 0;
int tab_bar_height = 0, tab_bar_width = 0;
int tool_bar_height = 0, tool_bar_width = 0;
if (FRAME_INITIAL_P (f) || !FRAME_X_P (f) || !FRAME_OUTER_WINDOW (f))
return Qnil;
block_input ();
XGetGeometry (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f),
&rootw, &x_native, &y_native, &native_width, &native_height,
&x_border_width, &ign);
/** XGetWindowAttributes (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), &atts); **/
if (!FRAME_PARENT_FRAME (f))
x_real_pos_and_offsets (f, &left_off, &right_off, &top_off, &bottom_off,
NULL, NULL, &xptr, &yptr, NULL);
unblock_input ();
/** native_width = atts.width; **/
/** native_height = atts.height; **/
if (FRAME_PARENT_FRAME (f))
{
Lisp_Object parent, edges;
XSETFRAME (parent, FRAME_PARENT_FRAME (f));
edges = Fx_frame_edges (parent, Qnative_edges);
if (!NILP (edges))
{
x_native += XFIXNUM (Fnth (make_fixnum (0), edges));
y_native += XFIXNUM (Fnth (make_fixnum (1), edges));
}
outer_left = x_native;
outer_top = y_native;
outer_right = outer_left + native_width + 2 * x_border_width;
outer_bottom = outer_top + native_height + 2 * x_border_width;
native_left = x_native + x_border_width;
native_top = y_native + x_border_width;
native_right = native_left + native_width;
native_bottom = native_top + native_height;
}
else
{
outer_left = xptr;
outer_top = yptr;
outer_right = outer_left + left_off + native_width + right_off;
outer_bottom = outer_top + top_off + native_height + bottom_off;
native_left = outer_left + left_off;
native_top = outer_top + top_off;
native_right = native_left + native_width;
native_bottom = native_top + native_height;
}
internal_border_width = FRAME_INTERNAL_BORDER_WIDTH (f);
inner_left = native_left + internal_border_width;
inner_top = native_top + internal_border_width;
inner_right = native_right - internal_border_width;
inner_bottom = native_bottom - internal_border_width;
#ifdef HAVE_EXT_MENU_BAR
menu_bar_external = true;
menu_bar_height = FRAME_MENUBAR_HEIGHT (f);
native_top += menu_bar_height;
inner_top += menu_bar_height;
#else
menu_bar_height = FRAME_MENU_BAR_HEIGHT (f);
inner_top += menu_bar_height;
#endif
menu_bar_width = menu_bar_height ? native_width : 0;
tab_bar_height = FRAME_TAB_BAR_HEIGHT (f);
tab_bar_width = (tab_bar_height
? native_width - 2 * internal_border_width
: 0);
inner_top += tab_bar_height;
#ifdef HAVE_EXT_TOOL_BAR
tool_bar_external = true;
if (EQ (FRAME_TOOL_BAR_POSITION (f), Qleft))
{
tool_bar_width = FRAME_TOOLBAR_WIDTH (f);
native_left += tool_bar_width;
inner_left += tool_bar_width;
tool_bar_height
= tool_bar_width ? native_height - menu_bar_height : 0;
}
else if (EQ (FRAME_TOOL_BAR_POSITION (f), Qtop))
{
tool_bar_height = FRAME_TOOLBAR_HEIGHT (f);
native_top += tool_bar_height;
inner_top += tool_bar_height;
tool_bar_width = tool_bar_height ? native_width : 0;
}
else if (EQ (FRAME_TOOL_BAR_POSITION (f), Qright))
{
tool_bar_width = FRAME_TOOLBAR_WIDTH (f);
native_right -= tool_bar_width;
inner_right -= tool_bar_width;
tool_bar_height
= tool_bar_width ? native_height - menu_bar_height : 0;
}
else
{
tool_bar_height = FRAME_TOOLBAR_HEIGHT (f);
native_bottom -= tool_bar_height;
inner_bottom -= tool_bar_height;
tool_bar_width = tool_bar_height ? native_width : 0;
}
#else
tool_bar_height = FRAME_TOOL_BAR_HEIGHT (f);
tool_bar_width = (tool_bar_height
? native_width - 2 * internal_border_width
: 0);
inner_top += tool_bar_height;
#endif
/* Construct list. */
if (EQ (attribute, Qouter_edges))
return list4i (outer_left, outer_top, outer_right, outer_bottom);
else if (EQ (attribute, Qnative_edges))
return list4i (native_left, native_top, native_right, native_bottom);
else if (EQ (attribute, Qinner_edges))
return list4i (inner_left, inner_top, inner_right, inner_bottom);
else
return
list (Fcons (Qouter_position,
Fcons (make_fixnum (outer_left),
make_fixnum (outer_top))),
Fcons (Qouter_size,
Fcons (make_fixnum (outer_right - outer_left),
make_fixnum (outer_bottom - outer_top))),
/* Approximate. */
Fcons (Qexternal_border_size,
Fcons (make_fixnum (right_off),
make_fixnum (bottom_off))),
Fcons (Qouter_border_width, make_fixnum (x_border_width)),
/* Approximate. */
Fcons (Qtitle_bar_size,
Fcons (make_fixnum (0),
make_fixnum (top_off - bottom_off))),
Fcons (Qmenu_bar_external, menu_bar_external ? Qt : Qnil),
Fcons (Qmenu_bar_size,
Fcons (make_fixnum (menu_bar_width),
make_fixnum (menu_bar_height))),
Fcons (Qtab_bar_size,
Fcons (make_fixnum (tab_bar_width),
make_fixnum (tab_bar_height))),
Fcons (Qtool_bar_external, tool_bar_external ? Qt : Qnil),
Fcons (Qtool_bar_position, FRAME_TOOL_BAR_POSITION (f)),
Fcons (Qtool_bar_size,
Fcons (make_fixnum (tool_bar_width),
make_fixnum (tool_bar_height))),
Fcons (Qinternal_border_width,
make_fixnum (internal_border_width)));
}
DEFUN ("x-frame-geometry", Fx_frame_geometry, Sx_frame_geometry, 0, 1, 0,
doc: /* Return geometric attributes of FRAME.
FRAME must be a live frame and defaults to the selected one. The return
value is an association list of the attributes listed below. All height
and width values are in pixels.
`outer-position' is a cons of the outer left and top edges of FRAME
relative to the origin - the position (0, 0) - of FRAME's display.
`outer-size' is a cons of the outer width and height of FRAME. The
outer size includes the title bar and the external borders as well as
any menu and/or tool bar of frame. For a child frame the value
includes FRAME's X borders, if any.
`external-border-size' is a cons of the horizontal and vertical width of
FRAME's external borders as supplied by the window manager.
`title-bar-size' is a cons of the width and height of the title bar of
FRAME as supplied by the window manager. If both of them are zero,
FRAME has no title bar. If only the width is zero, Emacs was not
able to retrieve the width information.
`menu-bar-external', if non-nil, means the menu bar is external (never
included in the inner edges of FRAME).
`menu-bar-size' is a cons of the width and height of the menu bar of
FRAME.
`tool-bar-external', if non-nil, means the tool bar is external (never
included in the inner edges of FRAME).
`tool-bar-position' tells on which side the tool bar on FRAME is and can
be one of `left', `top', `right' or `bottom'. If this is nil, FRAME
has no tool bar.
`tool-bar-size' is a cons of the width and height of the tool bar of
FRAME.
`internal-border-width' is the width of the internal border of
FRAME.
`outer-border-width' is the width of the X border of FRAME. The X
border is usually shown only for frames without window manager
decorations, such as child and tooltip frames. */)
(Lisp_Object frame)
{
return frame_geometry (frame, Qnil);
}
DEFUN ("x-frame-edges", Fx_frame_edges, Sx_frame_edges, 0, 2, 0,
doc: /* Return edge coordinates of FRAME.
FRAME must be a live frame and defaults to the selected one. The return
value is a list of the form (LEFT, TOP, RIGHT, BOTTOM). All values are
in pixels relative to the origin - the position (0, 0) - of FRAME's
display.
If optional argument TYPE is the symbol `outer-edges', return the outer
edges of FRAME. The outer edges comprise the decorations of the window
manager (like the title bar or external borders) as well as any external
menu or tool bar of FRAME. If optional argument TYPE is the symbol
`native-edges' or nil, return the native edges of FRAME. The native
edges exclude the decorations of the window manager and any external
menu or tool bar of FRAME. If TYPE is the symbol `inner-edges', return
the inner edges of FRAME. These edges exclude title bar, any borders,
menu bar or tool bar of FRAME. */)
(Lisp_Object frame, Lisp_Object type)
{
return frame_geometry (frame, ((EQ (type, Qouter_edges)
|| EQ (type, Qinner_edges))
? type
: Qnative_edges));
}
/**
* x_frame_list_z_order:
*
* Recursively add list of all frames on the display specified via
* DPYINFO and whose window-system window's parent is specified by
* WINDOW to FRAMES and return FRAMES.
*/
static Lisp_Object
x_frame_list_z_order (struct x_display_info *dpyinfo, Window window)
{
Display *dpy;
Window root, parent, *children;
unsigned int nchildren;
unsigned long i;
Lisp_Object frames, val;
Atom type;
Window *toplevels;
int format, rc;
unsigned long nitems, bytes_after;
unsigned char *data;
struct frame *f;
dpy = dpyinfo->display;
data = NULL;
frames = Qnil;
if (window == dpyinfo->root_window
&& x_wm_supports_1 (dpyinfo,
dpyinfo->Xatom_net_client_list_stacking))
{
rc = XGetWindowProperty (dpyinfo->display, dpyinfo->root_window,
dpyinfo->Xatom_net_client_list_stacking,
0, LONG_MAX, False, XA_WINDOW, &type,
&format, &nitems, &bytes_after, &data);
if (rc != Success)
return Qnil;
if (format != 32 || type != XA_WINDOW)
{
XFree (data);
return Qnil;
}
toplevels = (Window *) data;
for (i = 0; i < nitems; ++i)
{
f = x_top_window_to_frame (dpyinfo, toplevels[i]);
if (f)
{
XSETFRAME (val, f);
frames = Fcons (val, frames);
}
}
XFree (data);
return frames;
}
if (XQueryTree (dpy, window, &root, &parent, &children, &nchildren))
{
for (i = 0; i < nchildren; i++)
{
Lisp_Object frame, tail;
FOR_EACH_FRAME (tail, frame)
{
struct frame *cf = XFRAME (frame);
/* With a reparenting window manager the parent_desc
field usually specifies the topmost windows of our
frames. Otherwise FRAME_OUTER_WINDOW should do. */
if (FRAME_X_P (cf)
&& (cf->output_data.x->parent_desc == children[i]
|| FRAME_OUTER_WINDOW (cf) == children[i]))
frames = Fcons (frame, frames);
}
}
if (children)
XFree (children);
}
return frames;
}
DEFUN ("x-frame-list-z-order", Fx_frame_list_z_order,
Sx_frame_list_z_order, 0, 1, 0,
doc: /* Return list of Emacs' frames, in Z (stacking) order.
The optional argument TERMINAL specifies which display to ask about.
TERMINAL should be either a frame or a display name (a string). If
omitted or nil, that stands for the selected frame's display. Return
nil if TERMINAL contains no Emacs frame.
As a special case, if TERMINAL is non-nil and specifies a live frame,
return the child frames of that frame in Z (stacking) order.
Frames are listed from topmost (first) to bottommost (last). */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
Window window;
if (FRAMEP (terminal) && FRAME_LIVE_P (XFRAME (terminal)))
window = FRAME_X_WINDOW (XFRAME (terminal));
else
window = dpyinfo->root_window;
return x_frame_list_z_order (dpyinfo, window);
}
/**
* x_frame_restack:
*
* Restack frame F1 below frame F2, above if ABOVE_FLAG is non-nil. In
* practice this is a two-step action: The first step removes F1's
* window-system window from the display. The second step reinserts
* F1's window below (above if ABOVE_FLAG is true) that of F2.
*/
static void
x_frame_restack (struct frame *f1, struct frame *f2, bool above_flag)
{
#ifdef USE_GTK
block_input ();
xg_frame_restack (f1, f2, above_flag);
unblock_input ();
#else
Display *dpy = FRAME_X_DISPLAY (f1);
Window window1 = FRAME_OUTER_WINDOW (f1);
XWindowChanges wc;
unsigned long mask = (CWSibling | CWStackMode);
wc.sibling = FRAME_OUTER_WINDOW (f2);
wc.stack_mode = above_flag ? Above : Below;
block_input ();
/* Configure the window manager window (a normal XConfigureWindow
won't cut it). This should also work for child frames. */
XReconfigureWMWindow (dpy, window1, FRAME_X_SCREEN_NUMBER (f1), mask, &wc);
unblock_input ();
#endif /* USE_GTK */
}
DEFUN ("x-frame-restack", Fx_frame_restack, Sx_frame_restack, 2, 3, 0,
doc: /* Restack FRAME1 below FRAME2.
This means that if both frames are visible and the display areas of
these frames overlap, FRAME2 (partially) obscures FRAME1. If optional
third argument ABOVE is non-nil, restack FRAME1 above FRAME2. This
means that if both frames are visible and the display areas of these
frames overlap, FRAME1 (partially) obscures FRAME2.
This may be thought of as an atomic action performed in two steps: The
first step removes FRAME1's window-step window from the display. The
second step reinserts FRAME1's window below (above if ABOVE is true)
that of FRAME2. Hence the position of FRAME2 in its display's Z
\(stacking) order relative to all other frames excluding FRAME1 remains
unaltered.
Some window managers may refuse to restack windows. */)
(Lisp_Object frame1, Lisp_Object frame2, Lisp_Object above)
{
struct frame *f1 = decode_live_frame (frame1);
struct frame *f2 = decode_live_frame (frame2);
if (! (FRAME_OUTER_WINDOW (f1) && FRAME_OUTER_WINDOW (f2)))
error ("Cannot restack frames");
x_frame_restack (f1, f2, !NILP (above));
return Qt;
}
DEFUN ("x-mouse-absolute-pixel-position", Fx_mouse_absolute_pixel_position,
Sx_mouse_absolute_pixel_position, 0, 0, 0,
doc: /* Return absolute position of mouse cursor in pixels.
The position is returned as a cons cell (X . Y) of the coordinates of
the mouse cursor position in pixels relative to a position (0, 0) of the
selected frame's display. */)
(void)
{
struct frame *f = SELECTED_FRAME ();
Window root, dummy_window;
int x, y, dummy;
if (FRAME_INITIAL_P (f) || !FRAME_X_P (f))
return Qnil;
block_input ();
x_query_pointer (FRAME_X_DISPLAY (f),
FRAME_DISPLAY_INFO (f)->root_window,
&root, &dummy_window, &x, &y, &dummy, &dummy,
(unsigned int *) &dummy);
unblock_input ();
return Fcons (make_fixnum (x), make_fixnum (y));
}
DEFUN ("x-set-mouse-absolute-pixel-position", Fx_set_mouse_absolute_pixel_position,
Sx_set_mouse_absolute_pixel_position, 2, 2, 0,
doc: /* Move mouse pointer to absolute pixel position (X, Y).
The coordinates X and Y are interpreted in pixels relative to a position
\(0, 0) of the selected frame's display. */)
(Lisp_Object x, Lisp_Object y)
{
struct frame *f = SELECTED_FRAME ();
if (FRAME_INITIAL_P (f) || !FRAME_X_P (f))
return Qnil;
int xval = check_integer_range (x, INT_MIN, INT_MAX);
int yval = check_integer_range (y, INT_MIN, INT_MAX);
block_input ();
#ifdef HAVE_XINPUT2
int deviceid;
deviceid = FRAME_DISPLAY_INFO (f)->client_pointer_device;
if (FRAME_DISPLAY_INFO (f)->supports_xi2
&& deviceid != -1)
{
x_catch_errors_for_lisp (FRAME_DISPLAY_INFO (f));
XIWarpPointer (FRAME_X_DISPLAY (f), deviceid, None,
FRAME_DISPLAY_INFO (f)->root_window,
0, 0, 0, 0, xval, yval);
x_uncatch_errors_for_lisp (FRAME_DISPLAY_INFO (f));
}
else
#endif
XWarpPointer (FRAME_X_DISPLAY (f), None,
FRAME_DISPLAY_INFO (f)->root_window,
0, 0, 0, 0, xval, yval);
unblock_input ();
return Qnil;
}
DEFUN ("x-begin-drag", Fx_begin_drag, Sx_begin_drag, 1, 6, 0,
doc: /* Begin dragging contents on FRAME, with targets TARGETS.
TARGETS is a list of strings, which defines the X selection targets
that will be available to the drop target. Block until the mouse
buttons are released, then return the action chosen by the target, or
`nil' if the drop was not accepted by the drop target. Dragging
starts when the mouse is pressed on FRAME, and the contents of the
selection `XdndSelection' will be sent to the X window underneath the
mouse pointer (the drop target) when the mouse button is released.
ACTION is a symbol which tells the target what it should do, and can
be one of the following:
- `XdndActionCopy', which means to copy the contents from the drag
source (FRAME) to the drop target.
- `XdndActionMove', which means to first take the contents of
`XdndSelection', and to delete whatever was saved into that
selection afterwards.
`XdndActionPrivate' is also a valid return value, and means that the
drop target chose to perform an unspecified or unknown action.
The source is also expected to cooperate with the target to perform
the action chosen by the target. For example, callers should delete
the buffer text that was dragged if `XdndActionMove' is returned.
There are also some other valid values of ACTION that depend on
details of both the drop target's implementation details and that of
Emacs. For that reason, they are not mentioned here. Consult
"Drag-and-Drop Protocol for the X Window System" for more details:
https://freedesktop.org/wiki/Specifications/XDND/.
If RETURN-FRAME is non-nil, this function will return the frame if the
mouse pointer moves onto an Emacs frame, after first moving out of
FRAME. (This is not guaranteed to work on some systems.) If
RETURN-FRAME is the symbol `now', any frame underneath the mouse
pointer will be returned immediately.
If ACTION is a list and not nil, its elements are assumed to be a cons
of (ITEM . STRING), where ITEM is the name of an action, and STRING is
a string describing ITEM to the user. The drop target is expected to
prompt the user to choose between any of the actions in the list.
If ACTION is not specified or nil, `XdndActionCopy' is used
instead.
If ALLOW-CURRENT-FRAME is not specified or nil, then the drop target
is allowed to be FRAME. Otherwise, no action will be taken if the
mouse buttons are released on top of FRAME.
If FOLLOW-TOOLTIP is non-nil, any tooltip currently being displayed
will be moved to follow the mouse pointer while the drag is in
progress. Note that this does not work with system tooltips (tooltips
created when `use-system-tooltips' is non-nil).
This function will sometimes return immediately if no mouse buttons
are currently held down. It should only be called when it is known
that mouse buttons are being held down, such as immediately after a
`down-mouse-1' (or similar) event. */)
(Lisp_Object targets, Lisp_Object action, Lisp_Object frame,
Lisp_Object return_frame, Lisp_Object allow_current_frame,
Lisp_Object follow_tooltip)
{
struct frame *f = decode_window_system_frame (frame);
int ntargets = 0, nnames = 0;
char *target_names[2048];
Atom *target_atoms;
Lisp_Object lval, original, targets_arg, tem, t1, t2;
Atom xaction;
Atom action_list[2048];
char *name_list[2048];
USE_SAFE_ALLOCA;
CHECK_LIST (targets);
original = targets;
targets_arg = targets;
FOR_EACH_TAIL (targets)
{
CHECK_STRING (XCAR (targets));
if (ntargets < 2048)
{
SAFE_ALLOCA_STRING (target_names[ntargets],
XCAR (targets));
ntargets++;
}
else
error ("Too many targets");
}
CHECK_LIST_END (targets, original);
if (NILP (action) || EQ (action, QXdndActionCopy))
xaction = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionCopy;
else if (EQ (action, QXdndActionMove))
xaction = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionMove;
else if (EQ (action, QXdndActionLink))
xaction = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionLink;
else if (EQ (action, QXdndActionPrivate))
xaction = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionPrivate;
else if (EQ (action, QXdndActionAsk))
xaction = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionAsk;
else if (SYMBOLP (action))
/* This is to accommodate non-standard DND protocols such as XDS
that are explicitly implemented by Emacs, and is not documented
for that reason. */
xaction = symbol_to_x_atom (FRAME_DISPLAY_INFO (f), action);
else if (CONSP (action))
{
xaction = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionAsk;
original = action;
CHECK_LIST (action);
FOR_EACH_TAIL (action)
{
tem = XCAR (action);
CHECK_CONS (tem);
t1 = XCAR (tem);
t2 = XCDR (tem);
CHECK_SYMBOL (t1);
CHECK_STRING (t2);
if (nnames < 2048)
{
if (EQ (t1, QXdndActionCopy))
action_list[nnames] = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionCopy;
else if (EQ (t1, QXdndActionMove))
action_list[nnames] = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionMove;
else if (EQ (t1, QXdndActionLink))
action_list[nnames] = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionLink;
else if (EQ (t1, QXdndActionAsk))
action_list[nnames] = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionAsk;
else if (EQ (t1, QXdndActionPrivate))
action_list[nnames] = FRAME_DISPLAY_INFO (f)->Xatom_XdndActionPrivate;
else
signal_error ("Invalid drag-and-drop action", tem);
SAFE_ALLOCA_STRING (name_list[nnames],
ENCODE_SYSTEM (t2));
nnames++;
}
else
error ("Too many actions");
}
CHECK_LIST_END (action, original);
}
else
signal_error ("Invalid drag-and-drop action", action);
target_atoms = SAFE_ALLOCA (ntargets * sizeof *target_atoms);
/* Catch errors since interning lots of targets can potentially
generate a BadAlloc error. */
x_catch_errors (FRAME_X_DISPLAY (f));
XInternAtoms (FRAME_X_DISPLAY (f), target_names,
ntargets, False, target_atoms);
x_check_errors (FRAME_X_DISPLAY (f),
"Failed to intern target atoms: %s");
x_uncatch_errors_after_check ();
lval = x_dnd_begin_drag_and_drop (f, FRAME_DISPLAY_INFO (f)->last_user_time,
xaction, return_frame, action_list,
(const char **) &name_list, nnames,
!NILP (allow_current_frame), target_atoms,
ntargets, targets_arg, !NILP (follow_tooltip));
SAFE_FREE ();
return lval;
}
/************************************************************************
X Displays
************************************************************************/
\f
/* Mapping visual names to visuals. */
static struct visual_class
{
const char *name;
int class;
}
visual_classes[] =
{
{"StaticGray", StaticGray},
{"GrayScale", GrayScale},
{"StaticColor", StaticColor},
{"PseudoColor", PseudoColor},
{"TrueColor", TrueColor},
{"DirectColor", DirectColor},
{NULL, 0}
};
#ifndef HAVE_XSCREENNUMBEROFSCREEN
/* Value is the screen number of screen SCR. This is a substitute for
the X function with the same name when that doesn't exist. */
int
XScreenNumberOfScreen (Screen *scr)
{
Display *dpy = scr->display;
int i;
for (i = 0; i < dpy->nscreens; ++i)
if (scr == dpy->screens + i)
break;
return i;
}
#endif /* not HAVE_XSCREENNUMBEROFSCREEN */
/* Select the visual that should be used on display DPYINFO. Set
members of DPYINFO appropriately. Called from x_term_init. */
void
select_visual (struct x_display_info *dpyinfo)
{
Display *dpy = dpyinfo->display;
Screen *screen = dpyinfo->screen;
/* See if a visual is specified. */
AUTO_STRING (visualClass, "visualClass");
AUTO_STRING (VisualClass, "VisualClass");
Lisp_Object value = gui_display_get_resource (dpyinfo, visualClass,
VisualClass, Qnil, Qnil);
if (STRINGP (value))
{
/* VALUE should be of the form CLASS-DEPTH, where CLASS is one
of `PseudoColor', `TrueColor' etc. and DEPTH is the color
depth, a decimal number. NAME is compared with case ignored. */
char *s = alloca (SBYTES (value) + 1);
char *dash;
int i, class = -1;
XVisualInfo vinfo;
lispstpcpy (s, value);
dash = strchr (s, '-');
if (dash)
{
dpyinfo->n_planes = atoi (dash + 1);
*dash = '\0';
}
else
/* We won't find a matching visual with depth 0, so that
an error will be printed below. */
dpyinfo->n_planes = 0;
/* Determine the visual class. */
for (i = 0; visual_classes[i].name; ++i)
if (xstrcasecmp (s, visual_classes[i].name) == 0)
{
class = visual_classes[i].class;
break;
}
/* Look up a matching visual for the specified class. */
if (class == -1
|| !XMatchVisualInfo (dpy, XScreenNumberOfScreen (screen),
dpyinfo->n_planes, class, &vinfo))
fatal ("Invalid visual specification '%s'",
SSDATA (ENCODE_SYSTEM (value)));
dpyinfo->visual = vinfo.visual;
dpyinfo->visual_info = vinfo;
}
else
{
int n_visuals;
XVisualInfo *vinfo, vinfo_template;
vinfo_template.screen = XScreenNumberOfScreen (screen);
#if !defined USE_X_TOOLKIT && !(defined USE_GTK && !defined HAVE_GTK3) \
&& defined HAVE_XRENDER
int i;
XRenderPictFormat *format;
/* First attempt to find a visual with an alpha mask if
available. That information is only available when the
render extension is present, and we cannot do much with such
a visual if it isn't. */
if (dpyinfo->xrender_supported_p)
{
vinfo = XGetVisualInfo (dpy, VisualScreenMask,
&vinfo_template, &n_visuals);
for (i = 0; i < n_visuals; ++i)
{
format = XRenderFindVisualFormat (dpy, vinfo[i].visual);
if (format && format->type == PictTypeDirect
&& format->direct.alphaMask)
{
dpyinfo->n_planes = vinfo[i].depth;
dpyinfo->visual = vinfo[i].visual;
dpyinfo->visual_info = vinfo[i];
dpyinfo->pict_format = format;
XFree (vinfo);
return;
}
}
if (vinfo)
XFree (vinfo);
}
#endif /* !USE_X_TOOLKIT */
/* Visual with alpha channel (or the Render extension) not
available, fallback to default visual. */
dpyinfo->visual = DefaultVisualOfScreen (screen);
vinfo_template.visualid = XVisualIDFromVisual (dpyinfo->visual);
vinfo = XGetVisualInfo (dpy, VisualIDMask | VisualScreenMask,
&vinfo_template, &n_visuals);
if (n_visuals <= 0)
fatal ("Can't get proper X visual info");
dpyinfo->visual_info = *vinfo;
dpyinfo->n_planes = vinfo->depth;
XFree (vinfo);
}
}
/* Return the X display structure for the display named NAME.
Open a new connection if necessary. */
static struct x_display_info *
x_display_info_for_name (Lisp_Object name)
{
struct x_display_info *dpyinfo;
CHECK_STRING (name);
for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next)
if (!NILP (Fstring_equal (XCAR (dpyinfo->name_list_element), name)))
return dpyinfo;
/* Use this general default value to start with. */
Vx_resource_name = Vinvocation_name;
validate_x_resource_name ();
dpyinfo = x_term_init (name, 0, SSDATA (Vx_resource_name));
if (dpyinfo == 0)
error ("Cannot connect to X server %s", SDATA (name));
return dpyinfo;
}
DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection,
1, 3, 0,
doc: /* Open a connection to a display server.
DISPLAY is the name of the display to connect to.
Optional second arg XRM-STRING is a string of resources in xrdb format.
If the optional third arg MUST-SUCCEED is non-nil,
terminate Emacs if we can't open the connection.
\(In the Nextstep version, the last two arguments are currently ignored.) */)
(Lisp_Object display, Lisp_Object xrm_string, Lisp_Object must_succeed)
{
char *xrm_option;
struct x_display_info *dpyinfo;
CHECK_STRING (display);
if (! NILP (xrm_string))
CHECK_STRING (xrm_string);
xrm_option = NILP (xrm_string) ? 0 : SSDATA (xrm_string);
validate_x_resource_name ();
/* This is what opens the connection and sets x_current_display.
This also initializes many symbols, such as those used for input. */
dpyinfo = x_term_init (display, xrm_option,
SSDATA (Vx_resource_name));
if (dpyinfo == 0)
{
if (!NILP (must_succeed))
fatal ("Cannot connect to X server %s.\n\
Check the DISPLAY environment variable or use `-d'.\n\
Also use the `xauth' program to verify that you have the proper\n\
authorization information needed to connect the X server.\n\
An insecure way to solve the problem may be to use `xhost'.\n",
SDATA (display));
else
error ("Cannot connect to X server %s", SDATA (display));
}
return Qnil;
}
DEFUN ("x-close-connection", Fx_close_connection,
Sx_close_connection, 1, 1, 0,
doc: /* Close the connection to TERMINAL's X server.
For TERMINAL, specify a terminal object, a frame or a display name (a
string). If TERMINAL is nil, that stands for the selected frame's terminal.
\(On MS Windows, this function does not accept terminal objects.) */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
if (dpyinfo->reference_count > 0)
error ("Display still has frames on it");
x_delete_terminal (dpyinfo->terminal);
return Qnil;
}
DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0,
doc: /* Return the list of display names that Emacs has connections to. */)
(void)
{
Lisp_Object result = Qnil;
struct x_display_info *xdi;
for (xdi = x_display_list; xdi; xdi = xdi->next)
result = Fcons (XCAR (xdi->name_list_element), result);
return result;
}
DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0,
doc: /* If ON is non-nil, report X errors as soon as the erring request is made.
This function has an effect only on X Windows. With MS Windows, it is
defined but does nothing.
If ON is nil, allow buffering of requests.
Turning on synchronization prohibits the Xlib routines from buffering
requests and seriously degrades performance, but makes debugging much
easier.
The optional second argument TERMINAL specifies which display to act on.
TERMINAL should be a terminal object, a frame or a display name (a string).
If TERMINAL is omitted or nil, that stands for the selected frame's display. */)
(Lisp_Object on, Lisp_Object terminal)
{
struct x_display_info *dpyinfo = check_x_display_info (terminal);
XSynchronize (dpyinfo->display, !NILP (on));
return Qnil;
}
/* Wait for responses to all X commands issued so far for frame F. */
void
x_sync (struct frame *f)
{
block_input ();
#ifndef USE_XCB
XSync (FRAME_X_DISPLAY (f), False);
#else
xcb_aux_sync (FRAME_DISPLAY_INFO (f)->xcb_connection);
#endif
unblock_input ();
}
\f
/***********************************************************************
Window properties
***********************************************************************/
DEFUN ("x-change-window-property", Fx_change_window_property,
Sx_change_window_property, 2, 7, 0,
doc: /* Change window property PROP to VALUE on the X window of FRAME.
PROP must be a string. VALUE may be a string or a list of conses,
numbers and/or strings. If an element in the list is a string, it is
converted to an atom and the value of the atom is used. If an element
is a cons, it is converted to a 32 bit number where the car is the 16
top bits and the cdr is the lower 16 bits.
FRAME nil or omitted means use the selected frame. If TYPE is given
and non-nil, it is the name of the type of VALUE. If TYPE is not
given or nil, the type is STRING.
FORMAT gives the size in bits of each element if VALUE is a list. It
must be one of 8, 16 or 32.
If VALUE is a string or FORMAT is nil or not given, FORMAT defaults to
8. If OUTER-P is non-nil, the property is changed for the outer X
window of FRAME. Default is to change on the edit X window.
If WINDOW-ID is non-nil, change the property of that window instead of
FRAME's X window; the number 0 denotes the root window. This argument
is separate from FRAME because window IDs are not unique across X
displays or screens on the same display, so FRAME provides context for
the window ID.
If VALUE is a string and FORMAT is 32, then the format of VALUE is
system-specific. VALUE must contain unsigned integer data in native
endian-ness in multiples of the size of the C type 'long': the low 32
bits of each such number are used as the value of each element of the
property.
Wait for the request to complete and signal any error, unless
`x-fast-protocol-requests' is non-nil, in which case errors will be
silently ignored. */)
(Lisp_Object prop, Lisp_Object value, Lisp_Object frame,
Lisp_Object type, Lisp_Object format, Lisp_Object outer_p,
Lisp_Object window_id)
{
struct frame *f;
Atom prop_atom;
Atom target_type = XA_STRING;
int element_format = 8;
unsigned char *data;
int nelements;
Window target_window;
struct x_display_info *dpyinfo;
#ifdef USE_XCB
bool intern_prop;
bool intern_target;
xcb_intern_atom_cookie_t prop_atom_cookie;
xcb_intern_atom_cookie_t target_type_cookie;
xcb_intern_atom_reply_t *reply;
xcb_generic_error_t *generic_error;
bool rc;
#endif
f = decode_window_system_frame (frame);
dpyinfo = FRAME_DISPLAY_INFO (f);
CHECK_STRING (prop);
if (! NILP (format))
{
CHECK_FIXNUM (format);
if (XFIXNUM (format) != 8 && XFIXNUM (format) != 16
&& XFIXNUM (format) != 32)
error ("FORMAT must be one of 8, 16 or 32");
element_format = XFIXNUM (format);
}
if (CONSP (value))
{
ptrdiff_t elsize;
nelements = x_check_property_data (value);
if (nelements == -1)
error ("Bad data in VALUE, must be number, string or cons");
/* The man page for XChangeProperty:
"If the specified format is 32, the property data must be a
long array."
This applies even if long is more than 32 bits. The X library
converts to 32 bits before sending to the X server. */
elsize = element_format == 32 ? sizeof (long) : element_format >> 3;
data = xnmalloc (nelements, elsize);
x_fill_property_data (FRAME_X_DISPLAY (f), value, data, nelements,
element_format);
}
else
{
ptrdiff_t elsize;
CHECK_STRING (value);
data = SDATA (value);
if (INT_MAX < SBYTES (value))
error ("VALUE too long");
/* See comment above about longs and format=32 */
elsize = element_format == 32 ? sizeof (long) : element_format >> 3;
if (SBYTES (value) % elsize != 0)
error ("VALUE must contain an integral number of octets for FORMAT");
nelements = SBYTES (value) / elsize;
}
if (! NILP (window_id))
{
CONS_TO_INTEGER (window_id, Window, target_window);
if (! target_window)
target_window = dpyinfo->root_window;
}
else
{
if (! NILP (outer_p))
target_window = FRAME_OUTER_WINDOW (f);
else
target_window = FRAME_X_WINDOW (f);
}
block_input ();
#ifndef USE_XCB
prop_atom = x_intern_cached_atom (dpyinfo, SSDATA (prop),
false);
if (! NILP (type))
{
CHECK_STRING (type);
target_type = x_intern_cached_atom (dpyinfo, SSDATA (type),
false);
}
#else
rc = true;
intern_target = true;
intern_prop = true;
prop_atom = x_intern_cached_atom (dpyinfo, SSDATA (prop),
true);
if (prop_atom != None)
intern_prop = false;
else
prop_atom_cookie
= xcb_intern_atom (dpyinfo->xcb_connection,
0, SBYTES (prop), SSDATA (prop));
if (!NILP (type))
{
CHECK_STRING (type);
target_type = x_intern_cached_atom (dpyinfo, SSDATA (type),
true);
if (target_type)
intern_target = false;
else
target_type_cookie
= xcb_intern_atom (dpyinfo->xcb_connection,
0, SBYTES (type), SSDATA (type));
}
if (intern_prop)
{
reply = xcb_intern_atom_reply (dpyinfo->xcb_connection,
prop_atom_cookie, &generic_error);
if (reply)
{
prop_atom = (Atom) reply->atom;
free (reply);
}
else
{
free (generic_error);
rc = false;
}
}
if (!NILP (type) && intern_target)
{
reply = xcb_intern_atom_reply (dpyinfo->xcb_connection,
target_type_cookie, &generic_error);
if (reply)
{
target_type = (Atom) reply->atom;
free (reply);
}
else
{
free (generic_error);
rc = false;
}
}
if (!rc)
error ("Failed to intern type or property atom");
#endif
x_catch_errors_for_lisp (dpyinfo);
XChangeProperty (dpyinfo->display, target_window,
prop_atom, target_type, element_format,
PropModeReplace, data, nelements);
if (CONSP (value))
xfree (data);
x_check_errors_for_lisp (dpyinfo,
"Couldn't change window property: %s");
x_uncatch_errors_for_lisp (dpyinfo);
unblock_input ();
return value;
}
DEFUN ("x-delete-window-property", Fx_delete_window_property,
Sx_delete_window_property, 1, 3, 0,
doc: /* Remove window property PROP from X window of FRAME.
FRAME nil or omitted means use the selected frame.
If WINDOW-ID is non-nil, remove property from that window instead
of FRAME's X window; the number 0 denotes the root window. This
argument is separate from FRAME because window IDs are not unique
across X displays or screens on the same display, so FRAME provides
context for the window ID.
Value is PROP.
Wait for the request to complete and signal any error, unless
`x-fast-protocol-requests' is non-nil, in which case errors will be
silently ignored. */)
(Lisp_Object prop, Lisp_Object frame, Lisp_Object window_id)
{
struct frame *f = decode_window_system_frame (frame);
Window target_window = FRAME_X_WINDOW (f);
Atom prop_atom;
CHECK_STRING (prop);
if (! NILP (window_id))
{
CONS_TO_INTEGER (window_id, Window, target_window);
if (! target_window)
target_window = FRAME_DISPLAY_INFO (f)->root_window;
}
block_input ();
prop_atom = x_intern_cached_atom (FRAME_DISPLAY_INFO (f),
SSDATA (prop), false);
x_catch_errors_for_lisp (FRAME_DISPLAY_INFO (f));
XDeleteProperty (FRAME_X_DISPLAY (f), target_window, prop_atom);
x_check_errors_for_lisp (FRAME_DISPLAY_INFO (f),
"Couldn't delete window property: %s");
x_uncatch_errors_for_lisp (FRAME_DISPLAY_INFO (f));
unblock_input ();
return prop;
}
static Lisp_Object
x_window_property_intern (struct frame *f,
Window target_window,
Atom prop_atom,
Atom target_type,
Lisp_Object delete_p,
Lisp_Object vector_ret_p,
bool *found)
{
unsigned char *tmp_data = NULL;
Lisp_Object prop_value = Qnil;
Atom actual_type;
int actual_format;
unsigned long actual_size, bytes_remaining;
int rc;
rc = XGetWindowProperty (FRAME_X_DISPLAY (f), target_window,
prop_atom, 0, 0, False, target_type,
&actual_type, &actual_format, &actual_size,
&bytes_remaining, &tmp_data);
*found = actual_format != 0;
if (rc == Success && *found)
{
XFree (tmp_data);
tmp_data = NULL;
rc = XGetWindowProperty (FRAME_X_DISPLAY (f), target_window,
prop_atom, 0, bytes_remaining,
! NILP (delete_p), target_type,
&actual_type, &actual_format,
&actual_size, &bytes_remaining,
&tmp_data);
if (rc == Success && tmp_data)
{
/* The man page for XGetWindowProperty says:
"If the returned format is 32, the returned data is represented
as a long array and should be cast to that type to obtain the
elements."
This applies even if long is more than 32 bits, the X library
converts from 32 bit elements received from the X server to long
and passes the long array to us. Thus, for that case memcpy can not
be used. We convert to a 32 bit type here, because so much code
assume on that.
The bytes and offsets passed to XGetWindowProperty refers to the
property and those are indeed in 32 bit quantities if format is
32. */
if (LONG_WIDTH > 32 && actual_format == 32)
{
unsigned long i;
int *idata = (int *) tmp_data;
long *ldata = (long *) tmp_data;
for (i = 0; i < actual_size; ++i)
idata[i] = (int) ldata[i];
}
if (NILP (vector_ret_p))
prop_value = make_string ((char *) tmp_data,
(actual_format >> 3) * actual_size);
else
prop_value = x_property_data_to_lisp (f,
tmp_data,
actual_type,
actual_format,
actual_size);
}
if (tmp_data) XFree (tmp_data);
}
return prop_value;
}
DEFUN ("x-window-property", Fx_window_property, Sx_window_property,
1, 6, 0,
doc: /* Value is the value of window property PROP on FRAME.
If FRAME is nil or omitted, use the selected frame.
On X Windows, the following optional arguments are also accepted: If
TYPE is nil or omitted, get the property as a string. Otherwise TYPE
is the name of the atom that denotes the expected type.
If TYPE is the string "AnyPropertyType", decode and return the data
regardless of what the type really is.
The format of the data returned is the same as a selection conversion
to the given type. For example, if `x-get-selection-internal' returns
an integer when the selection data is a given type,
`x-window-property' will do the same for that type.
If WINDOW-ID is non-nil, get the property of that window instead of
FRAME's X window; the number 0 denotes the root window. This argument
is separate from FRAME because window IDs are not unique across X
displays, so FRAME provides context for the window ID.
If DELETE-P is non-nil, delete the property after retrieving it.
If VECTOR-RET-P is non-nil, return a vector of values instead of a string.
X allows an arbitrary number of properties to be set on any window.
However, properties are most often set by the window manager or other
programs on the root window or FRAME's X window in order to
communicate information to Emacs and other programs. Most of these
properties are specified as part of the Extended Window Manager Hints
and the Inter-Client Communication Conventions Manual, which are
located here:
https://specifications.freedesktop.org/wm-spec/wm-spec-latest.html
and
https://x.org/releases/X11R7.6/doc/xorg-docs/specs/ICCCM/icccm.html
Return value is nil if FRAME doesn't have a property with name PROP or
if PROP has no value of TYPE (always a string in the MS Windows case). */)
(Lisp_Object prop, Lisp_Object frame, Lisp_Object type,
Lisp_Object window_id, Lisp_Object delete_p, Lisp_Object vector_ret_p)
{
struct frame *f = decode_window_system_frame (frame);
Atom prop_atom;
Lisp_Object prop_value = Qnil;
Atom target_type = XA_STRING;
Window target_window = FRAME_X_WINDOW (f);
bool found;
CHECK_STRING (prop);
if (! NILP (window_id))
{
CONS_TO_INTEGER (window_id, Window, target_window);
if (! target_window)
target_window = FRAME_DISPLAY_INFO (f)->root_window;
}
block_input ();
x_catch_errors (FRAME_X_DISPLAY (f));
if (STRINGP (type))
{
if (strcmp ("AnyPropertyType", SSDATA (type)) == 0)
target_type = AnyPropertyType;
else
target_type = x_intern_cached_atom (FRAME_DISPLAY_INFO (f),
SSDATA (type), false);
}
prop_atom = x_intern_cached_atom (FRAME_DISPLAY_INFO (f),
SSDATA (prop), false);
prop_value = x_window_property_intern (f,
target_window,
prop_atom,
target_type,
delete_p,
vector_ret_p,
&found);
if (NILP (prop_value)
&& ! found
&& NILP (window_id)
&& target_window != FRAME_OUTER_WINDOW (f))
{
prop_value = x_window_property_intern (f,
FRAME_OUTER_WINDOW (f),
prop_atom,
target_type,
delete_p,
vector_ret_p,
&found);
}
x_check_errors (FRAME_X_DISPLAY (f),
"Can't retrieve window property: %s");
x_uncatch_errors_after_check ();
unblock_input ();
return prop_value;
}
DEFUN ("x-window-property-attributes", Fx_window_property_attributes, Sx_window_property_attributes,
1, 3, 0,
doc: /* Retrieve metadata about window property PROP on FRAME.
If FRAME is nil or omitted, use the selected frame.
If WINDOW-ID is non-nil, get the property of that window instead of
FRAME's X window; the number 0 denotes the root window. This
argument is separate from FRAME because window IDs are not unique
across X displays or screens on the same display, so FRAME provides
context for the window ID.
Return value is nil if FRAME doesn't have a property named PROP.
Otherwise, the return value is a vector with the following fields:
0. The property type, as an integer. The symbolic name of
the type can be obtained with `x-get-atom-name'.
1. The format of each element; one of 8, 16, or 32.
2. The length of the property, in number of elements. */)
(Lisp_Object prop, Lisp_Object frame, Lisp_Object window_id)
{
struct frame *f = decode_window_system_frame (frame);
Window target_window = FRAME_X_WINDOW (f);
Atom prop_atom;
Lisp_Object prop_attr = Qnil;
Atom actual_type;
int actual_format;
unsigned long actual_size, bytes_remaining;
unsigned char *tmp_data = NULL;
int rc;
CHECK_STRING (prop);
if (! NILP (window_id))
{
CONS_TO_INTEGER (window_id, Window, target_window);
if (! target_window)
target_window = FRAME_DISPLAY_INFO (f)->root_window;
}
block_input ();
x_catch_errors (FRAME_X_DISPLAY (f));
prop_atom = x_intern_cached_atom (FRAME_DISPLAY_INFO (f),
SSDATA (prop), false);
rc = XGetWindowProperty (FRAME_X_DISPLAY (f), target_window,
prop_atom, 0, 0, False, AnyPropertyType,
&actual_type, &actual_format, &actual_size,
&bytes_remaining, &tmp_data);
if (rc == Success /* no invalid params */
&& actual_format == 0 /* but prop not found */
&& NILP (window_id)
&& target_window != FRAME_OUTER_WINDOW (f))
{
/* analogous behavior to x-window-property: if property isn't found
on the frame's inner window and no alternate window id was
provided, try the frame's outer window. */
target_window = FRAME_OUTER_WINDOW (f);
rc = XGetWindowProperty (FRAME_X_DISPLAY (f), target_window,
prop_atom, 0, 0, False, AnyPropertyType,
&actual_type, &actual_format, &actual_size,
&bytes_remaining, &tmp_data);
}
if (rc == Success && actual_format != 0)
{
XFree (tmp_data);
prop_attr = CALLN (Fvector,
make_fixnum (actual_type),
make_fixnum (actual_format),
make_fixnum (bytes_remaining / (actual_format >> 3)));
}
x_check_errors (FRAME_X_DISPLAY (f),
"Can't retrieve window property: %s");
x_uncatch_errors_after_check ();
unblock_input ();
return prop_attr;
}
\f
/***********************************************************************
Coordinate management
***********************************************************************/
DEFUN ("x-translate-coordinates", Fx_translate_coordinates,
Sx_translate_coordinates,
1, 5, 0, doc: /* Translate coordinates from FRAME.
Translate the given coordinates SOURCE-X and SOURCE-Y from
SOURCE-WINDOW's coordinate space to that of DEST-WINDOW, on FRAME.
If SOURCE-X and SOURCE-Y are nil, use 0 instead.
FRAME can either be a terminal or a frame. If nil, it defaults to the
selected frame. SOURCE-WINDOW must be an X window ID, 0 (which means
to use the root window), or nil, which means to use FRAME's inner
window. DEST-WINDOW must be another X window ID, or nil (which means
to use the root window).
Return a list of (X Y CHILD) if the given coordinates are on the same
screen, or nil otherwise, where X and Y are the coordinates in
DEST-WINDOW's coordinate space, and CHILD is the window ID of any
mapped child in DEST-WINDOW at those coordinates, or nil if there is
no such window. */)
(Lisp_Object frame, Lisp_Object source_window,
Lisp_Object dest_window, Lisp_Object source_x,
Lisp_Object source_y)
{
struct x_display_info *dpyinfo;
struct frame *source_frame;
int dest_x, dest_y;
Window child_return, src, dest;
Bool rc;
dpyinfo = check_x_display_info (frame);
dest_x = 0;
dest_y = 0;
if (!NILP (source_x))
{
CHECK_FIXNUM (source_x);
dest_x = XFIXNUM (source_x);
}
if (!NILP (source_y))
{
CHECK_FIXNUM (source_y);
dest_y = XFIXNUM (source_y);
}
if (!NILP (source_window))
CONS_TO_INTEGER (source_window, Window, src);
else
{
source_frame = decode_window_system_frame (frame);
src = FRAME_X_WINDOW (source_frame);
}
if (!src)
src = dpyinfo->root_window;
if (!NILP (dest_window))
CONS_TO_INTEGER (dest_window, Window, dest);
else
dest = dpyinfo->root_window;
block_input ();
x_catch_errors (dpyinfo->display);
rc = XTranslateCoordinates (dpyinfo->display, src, dest,
dest_x, dest_y, &dest_x, &dest_y,
&child_return);
x_check_errors (dpyinfo->display,
"Couldn't translate coordinates: %s");
x_uncatch_errors_after_check ();
unblock_input ();
if (!rc)
return Qnil;
return list3 (make_int (dest_x),
make_int (dest_y),
(child_return != None
? make_uint (child_return)
: Qnil));
}
/***********************************************************************
Tool tips
***********************************************************************/
static void compute_tip_xy (struct frame *, Lisp_Object, Lisp_Object,
Lisp_Object, int, int, int *, int *);
/* The frame of the currently visible tooltip, or nil if none. */
Lisp_Object tip_frame;
/* The window-system window corresponding to the frame of the
currently visible tooltip. */
Window tip_window;
/* The X and Y deltas of the last call to `x-show-tip'. */
Lisp_Object tip_dx, tip_dy;
/* A timer that hides or deletes the currently visible tooltip when it
fires. */
static Lisp_Object tip_timer;
/* STRING argument of last `x-show-tip' call. */
static Lisp_Object tip_last_string;
/* Normalized FRAME argument of last `x-show-tip' call. */
static Lisp_Object tip_last_frame;
/* PARMS argument of last `x-show-tip' call. */
static Lisp_Object tip_last_parms;
static void
unwind_create_tip_frame (Lisp_Object frame)
{
Lisp_Object deleted;
deleted = unwind_create_frame (frame);
if (EQ (deleted, Qt))
{
tip_window = None;
tip_frame = Qnil;
}
}
/* Create a frame for a tooltip on the display described by DPYINFO.
PARMS is a list of frame parameters. TEXT is the string to
display in the tip frame. Value is the frame.
Note that functions called here, esp. gui_default_parameter can
signal errors, for instance when a specified color name is
undefined. We have to make sure that we're in a consistent state
when this happens. */
static Lisp_Object
x_create_tip_frame (struct x_display_info *dpyinfo, Lisp_Object parms)
{
struct frame *f;
Lisp_Object frame;
Lisp_Object name;
specpdl_ref count = SPECPDL_INDEX ();
bool face_change_before = face_change;
if (!dpyinfo->terminal->name)
error ("Terminal is not live, can't create new frames on it");
parms = Fcopy_alist (parms);
/* Get the name of the frame to use for resource lookup. */
name = gui_display_get_arg (dpyinfo, parms, Qname, "name", "Name",
RES_TYPE_STRING);
if (!STRINGP (name)
&& !BASE_EQ (name, Qunbound)
&& !NILP (name))
error ("Invalid frame name--not a string or nil");
frame = Qnil;
f = make_frame (false);
f->wants_modeline = false;
XSETFRAME (frame, f);
record_unwind_protect (unwind_create_tip_frame, frame);
f->terminal = dpyinfo->terminal;
/* By setting the output method, we're essentially saying that
the frame is live, as per FRAME_LIVE_P. If we get a signal
from this point on, x_destroy_window might screw up reference
counts etc. */
f->output_method = output_x_window;
f->output_data.x = xzalloc (sizeof *f->output_data.x);
f->output_data.x->icon_bitmap = -1;
FRAME_FONTSET (f) = -1;
f->output_data.x->scroll_bar_foreground_pixel = -1;
f->output_data.x->scroll_bar_background_pixel = -1;
#if defined (USE_LUCID) && defined (USE_TOOLKIT_SCROLL_BARS)
f->output_data.x->scroll_bar_top_shadow_pixel = -1;
f->output_data.x->scroll_bar_bottom_shadow_pixel = -1;
#endif /* USE_LUCID && USE_TOOLKIT_SCROLL_BARS */
f->output_data.x->white_relief.pixel = -1;
f->output_data.x->black_relief.pixel = -1;
f->tooltip = true;
fset_icon_name (f, Qnil);
FRAME_DISPLAY_INFO (f) = dpyinfo;
f->output_data.x->parent_desc = FRAME_DISPLAY_INFO (f)->root_window;
f->output_data.x->explicit_parent = false;
/* These colors will be set anyway later, but it's important
to get the color reference counts right, so initialize them! */
{
Lisp_Object black;
/* Function x_decode_color can signal an error. Make
sure to initialize color slots so that we won't try
to free colors we haven't allocated. */
FRAME_FOREGROUND_PIXEL (f) = -1;
FRAME_BACKGROUND_PIXEL (f) = -1;
f->output_data.x->cursor_pixel = -1;
f->output_data.x->cursor_foreground_pixel = -1;
f->output_data.x->border_pixel = -1;
f->output_data.x->mouse_pixel = -1;
black = build_string ("black");
FRAME_FOREGROUND_PIXEL (f)
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
FRAME_BACKGROUND_PIXEL (f)
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
f->output_data.x->cursor_pixel
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
f->output_data.x->cursor_foreground_pixel
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
f->output_data.x->border_pixel
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
f->output_data.x->mouse_pixel
= x_decode_color (f, black, BLACK_PIX_DEFAULT (f));
}
/* Set the name; the functions to which we pass f expect the name to
be set. */
if (BASE_EQ (name, Qunbound) || NILP (name))
{
fset_name (f, build_string (dpyinfo->x_id_name));
f->explicit_name = false;
}
else
{
fset_name (f, name);
f->explicit_name = true;
/* use the frame's title when getting resources for this frame. */
specbind (Qx_resource_name, name);
}
#ifdef USE_CAIRO
register_font_driver (&ftcrfont_driver, f);
#ifdef HAVE_HARFBUZZ
register_font_driver (&ftcrhbfont_driver, f);
#endif /* HAVE_HARFBUZZ */
#else
#ifdef HAVE_FREETYPE
#ifdef HAVE_XFT
register_font_driver (&xftfont_driver, f);
#ifdef HAVE_HARFBUZZ
register_font_driver (&xfthbfont_driver, f);
#endif
#endif /* not HAVE_XFT */
#endif /* HAVE_FREETYPE */
#endif /* not USE_CAIRO */
register_font_driver (&xfont_driver, f);
image_cache_refcount =
FRAME_IMAGE_CACHE (f) ? FRAME_IMAGE_CACHE (f)->refcount : 0;
#ifdef GLYPH_DEBUG
dpyinfo_refcount = dpyinfo->reference_count;
#endif /* GLYPH_DEBUG */
gui_default_parameter (f, parms, Qfont_backend, Qnil,
"fontBackend", "FontBackend", RES_TYPE_STRING);
/* Extract the window parameters from the supplied values that are
needed to determine window geometry. */
x_default_font_parameter (f, parms);
gui_default_parameter (f, parms, Qborder_width, make_fixnum (0),
"borderWidth", "BorderWidth", RES_TYPE_NUMBER);
/* This defaults to 1 in order to match xterm. We recognize either
internalBorderWidth or internalBorder (which is what xterm calls
it). */
if (NILP (Fassq (Qinternal_border_width, parms)))
{
Lisp_Object value;
value = gui_display_get_arg (dpyinfo, parms, Qinternal_border_width,
"internalBorder", "internalBorder",
RES_TYPE_NUMBER);
if (! BASE_EQ (value, Qunbound))
parms = Fcons (Fcons (Qinternal_border_width, value),
parms);
}
gui_default_parameter (f, parms, Qinternal_border_width, make_fixnum (1),
"internalBorderWidth", "internalBorderWidth",
RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qright_divider_width, make_fixnum (0),
NULL, NULL, RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qbottom_divider_width, make_fixnum (0),
NULL, NULL, RES_TYPE_NUMBER);
/* Also do the stuff which must be set before the window exists. */
gui_default_parameter (f, parms, Qforeground_color, build_string ("black"),
"foreground", "Foreground", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qbackground_color, build_string ("white"),
"background", "Background", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qmouse_color, build_string ("black"),
"pointerColor", "Foreground", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qcursor_color, build_string ("black"),
"cursorColor", "Foreground", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qborder_color, build_string ("black"),
"borderColor", "BorderColor", RES_TYPE_STRING);
gui_default_parameter (f, parms, Qno_special_glyphs, Qnil,
NULL, NULL, RES_TYPE_BOOLEAN);
{
#ifndef USE_XCB
XSetWindowAttributes attrs;
unsigned long mask;
Atom type = FRAME_DISPLAY_INFO (f)->Xatom_net_window_type_tooltip;
block_input ();
mask = (CWBackPixel | CWOverrideRedirect | CWEventMask
| CWCursor | CWColormap | CWBorderPixel);
if (DoesSaveUnders (dpyinfo->screen))
mask |= CWSaveUnder;
/* Window managers look at the override-redirect flag to determine
whether or net to give windows a decoration (Xlib spec, chapter
3.2.8). */
attrs.override_redirect = True;
attrs.save_under = True;
attrs.background_pixel = FRAME_BACKGROUND_PIXEL (f);
attrs.colormap = FRAME_X_COLORMAP (f);
attrs.cursor =
f->output_data.x->current_cursor
= f->output_data.x->text_cursor;
attrs.border_pixel = f->output_data.x->border_pixel;
/* Arrange for getting MapNotify and UnmapNotify events. */
attrs.event_mask = StructureNotifyMask;
tip_window
= FRAME_X_WINDOW (f)
= XCreateWindow (FRAME_X_DISPLAY (f),
FRAME_DISPLAY_INFO (f)->root_window,
/* x, y, width, height */
0, 0, 1, 1,
/* Border. */
f->border_width,
dpyinfo->n_planes, InputOutput,
FRAME_X_VISUAL (f),
mask, &attrs);
initial_set_up_x_back_buffer (f);
XChangeProperty (FRAME_X_DISPLAY (f), tip_window,
FRAME_DISPLAY_INFO (f)->Xatom_net_window_type,
XA_ATOM, 32, PropModeReplace,
(unsigned char *)&type, 1);
unblock_input ();
#else
uint32_t value_list[6];
xcb_atom_t net_wm_window_type_tooltip
= (xcb_atom_t) dpyinfo->Xatom_net_window_type_tooltip;
xcb_visualid_t visual_id
= (xcb_visualid_t) XVisualIDFromVisual (FRAME_X_VISUAL (f));
f->output_data.x->current_cursor = f->output_data.x->text_cursor;
/* Values are set in the order of their enumeration in `enum
xcb_cw_t'. */
value_list[0] = FRAME_BACKGROUND_PIXEL (f);
value_list[1] = f->output_data.x->border_pixel;
value_list[2] = true;
value_list[3] = XCB_EVENT_MASK_STRUCTURE_NOTIFY;
value_list[4] = (xcb_colormap_t) FRAME_X_COLORMAP (f);
value_list[5] = (xcb_cursor_t) f->output_data.x->text_cursor;
block_input ();
tip_window
= FRAME_X_WINDOW (f)
= (Window) xcb_generate_id (dpyinfo->xcb_connection);
xcb_create_window (dpyinfo->xcb_connection,
dpyinfo->n_planes,
(xcb_window_t) tip_window,
(xcb_window_t) dpyinfo->root_window,
0, 0, 1, 1, f->border_width,
XCB_WINDOW_CLASS_INPUT_OUTPUT,
visual_id,
(XCB_CW_BACK_PIXEL
| XCB_CW_BORDER_PIXEL
| XCB_CW_OVERRIDE_REDIRECT
| XCB_CW_EVENT_MASK
| XCB_CW_COLORMAP
| XCB_CW_CURSOR),
&value_list);
xcb_change_property (dpyinfo->xcb_connection,
XCB_PROP_MODE_REPLACE,
(xcb_window_t) tip_window,
(xcb_atom_t) dpyinfo->Xatom_net_window_type,
(xcb_atom_t) dpyinfo->Xatom_ATOM,
32, 1, &net_wm_window_type_tooltip);
initial_set_up_x_back_buffer (f);
unblock_input ();
#endif
}
/* Init faces before gui_default_parameter is called for the
scroll-bar-width parameter because otherwise we end up in
init_iterator with a null face cache, which should not happen. */
init_frame_faces (f);
gui_default_parameter (f, parms, Qinhibit_double_buffering, Qnil,
"inhibitDoubleBuffering", "InhibitDoubleBuffering",
RES_TYPE_BOOLEAN);
gui_figure_window_size (f, parms, false, false);
f->output_data.x->parent_desc = FRAME_DISPLAY_INFO (f)->root_window;
x_make_gc (f);
gui_default_parameter (f, parms, Qauto_raise, Qnil,
"autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
gui_default_parameter (f, parms, Qauto_lower, Qnil,
"autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
gui_default_parameter (f, parms, Qcursor_type, Qbox,
"cursorType", "CursorType", RES_TYPE_SYMBOL);
gui_default_parameter (f, parms, Qalpha, Qnil,
"alpha", "Alpha", RES_TYPE_NUMBER);
gui_default_parameter (f, parms, Qalpha_background, Qnil,
"alphaBackground", "AlphaBackground", RES_TYPE_NUMBER);
/* Add `tooltip' frame parameter's default value. */
if (NILP (Fframe_parameter (frame, Qtooltip)))
{
AUTO_FRAME_ARG (arg, Qtooltip, Qt);
Fmodify_frame_parameters (frame, arg);
}
/* FIXME - can this be done in a similar way to normal frames?
https://lists.gnu.org/r/emacs-devel/2007-10/msg00641.html */
/* Set the `display-type' frame parameter before setting up faces. */
{
Lisp_Object disptype;
if (FRAME_DISPLAY_INFO (f)->n_planes == 1)
disptype = Qmono;
else if (FRAME_X_VISUAL_INFO (f)->class == GrayScale
|| FRAME_X_VISUAL_INFO (f)->class == StaticGray)
disptype = Qgrayscale;
else
disptype = Qcolor;
if (NILP (Fframe_parameter (frame, Qdisplay_type)))
{
AUTO_FRAME_ARG (arg, Qdisplay_type, disptype);
Fmodify_frame_parameters (frame, arg);
}
}
/* Set up faces after all frame parameters are known. This call
also merges in face attributes specified for new frames.
Frame parameters may be changed if .Xdefaults contains
specifications for the default font. For example, if there is an
`Emacs.default.attributeBackground: pink', the `background-color'
attribute of the frame gets set, which let's the internal border
of the tooltip frame appear in pink. Prevent this. */
{
Lisp_Object bg = Fframe_parameter (frame, Qbackground_color);
call2 (Qface_set_after_frame_default, frame, Qnil);
if (!EQ (bg, Fframe_parameter (frame, Qbackground_color)))
{
AUTO_FRAME_ARG (arg, Qbackground_color, bg);
Fmodify_frame_parameters (frame, arg);
}
}
f->no_split = true;
/* Now that the frame will be official, it counts as a reference to
its display and terminal. */
FRAME_DISPLAY_INFO (f)->reference_count++;
f->terminal->reference_count++;
/* It is now ok to make the frame official even if we get an error
below. And the frame needs to be on Vframe_list or making it
visible won't work. */
Vframe_list = Fcons (frame, Vframe_list);
f->can_set_window_size = true;
adjust_frame_size (f, FRAME_TEXT_WIDTH (f), FRAME_TEXT_HEIGHT (f),
0, true, Qtip_frame);
/* Setting attributes of faces of the tooltip frame from resources
and similar will set face_change, which leads to the clearing of
all current matrices. Since this isn't necessary here, avoid it
by resetting face_change to the value it had before we created
the tip frame. */
face_change = face_change_before;
/* Discard the unwind_protect. */
return unbind_to (count, frame);
}
/* Compute where to display tip frame F. PARMS is the list of frame
parameters for F. DX and DY are specified offsets from the current
location of the mouse. WIDTH and HEIGHT are the width and height
of the tooltip. Return coordinates relative to the root window of
the display in *ROOT_X, and *ROOT_Y. */
static void
compute_tip_xy (struct frame *f, Lisp_Object parms, Lisp_Object dx,
Lisp_Object dy, int width, int height, int *root_x,
int *root_y)
{
Lisp_Object left, top, right, bottom;
int win_x, win_y;
Window root, child;
unsigned pmask;
int min_x, min_y, max_x, max_y = -1;
/* User-specified position? */
left = Fcdr (Fassq (Qleft, parms));
top = Fcdr (Fassq (Qtop, parms));
right = Fcdr (Fassq (Qright, parms));
bottom = Fcdr (Fassq (Qbottom, parms));
/* Move the tooltip window where the mouse pointer is. Resize and
show it. */
if ((!FIXNUMP (left) && !FIXNUMP (right))
|| (!FIXNUMP (top) && !FIXNUMP (bottom)))
{
Lisp_Object frame, attributes, monitor, geometry;
block_input ();
x_query_pointer (FRAME_X_DISPLAY (f), FRAME_DISPLAY_INFO (f)->root_window,
&root, &child, root_x, root_y, &win_x, &win_y, &pmask);
unblock_input ();
XSETFRAME (frame, f);
attributes = Fx_display_monitor_attributes_list (frame);
/* Try to determine the monitor where the mouse pointer is and
its geometry. See bug#22549. */
while (CONSP (attributes))
{
monitor = XCAR (attributes);
geometry = Fassq (Qgeometry, monitor);
if (CONSP (geometry))
{
min_x = XFIXNUM (Fnth (make_fixnum (1), geometry));
min_y = XFIXNUM (Fnth (make_fixnum (2), geometry));
max_x = min_x + XFIXNUM (Fnth (make_fixnum (3), geometry));
max_y = min_y + XFIXNUM (Fnth (make_fixnum (4), geometry));
if (min_x <= *root_x && *root_x < max_x
&& min_y <= *root_y && *root_y < max_y)
{
break;
}
max_y = -1;
}
attributes = XCDR (attributes);
}
}
/* It was not possible to determine the monitor's geometry, so we
assign some sane defaults here: */
if (max_y < 0)
{
min_x = 0;
min_y = 0;
max_x = x_display_pixel_width (FRAME_DISPLAY_INFO (f));
max_y = x_display_pixel_height (FRAME_DISPLAY_INFO (f));
}
if (FIXNUMP (top))
*root_y = XFIXNUM (top);
else if (FIXNUMP (bottom))
*root_y = XFIXNUM (bottom) - height;
else if (*root_y + XFIXNUM (dy) <= min_y)
*root_y = min_y; /* Can happen for negative dy */
else if (*root_y + XFIXNUM (dy) + height <= max_y)
/* It fits below the pointer */
*root_y += XFIXNUM (dy);
else if (height + XFIXNUM (dy) + min_y <= *root_y)
/* It fits above the pointer. */
*root_y -= height + XFIXNUM (dy);
else
/* Put it on the top. */
*root_y = min_y;
if (FIXNUMP (left))
*root_x = XFIXNUM (left);
else if (FIXNUMP (right))
*root_x = XFIXNUM (right) - width;
else if (*root_x + XFIXNUM (dx) <= min_x)
*root_x = 0; /* Can happen for negative dx */
else if (*root_x + XFIXNUM (dx) + width <= max_x)
/* It fits to the right of the pointer. */
*root_x += XFIXNUM (dx);
else if (width + XFIXNUM (dx) + min_x <= *root_x)
/* It fits to the left of the pointer. */
*root_x -= width + XFIXNUM (dx);
else
/* Put it left justified on the screen -- it ought to fit that way. */
*root_x = min_x;
}
/**
* x_hide_tip:
*
* Hide currently visible tooltip and cancel its timer.
*
* If GTK+ system tooltips are used, this will try to hide the tooltip
* referenced by the x_output structure of tooltip_last_frame. For
* Emacs tooltips this will try to make tooltip_frame invisible (if
* DELETE is false) or delete tooltip_frame (if DELETE is true).
*
* Return Qt if the tooltip was either deleted or made invisible, Qnil
* otherwise.
*/
static Lisp_Object
x_hide_tip (bool delete)
{
if (!NILP (tip_timer))
{
call1 (Qcancel_timer, tip_timer);
tip_timer = Qnil;
}
#ifdef USE_GTK
/* Any GTK+ system tooltip can be found via the x_output structure
of tip_last_frame, provided that frame is still live. Any Emacs
tooltip is found via the tip_frame variable. Note that the
current value of use_system_tooltips might not be the same as
used for the tooltip we have to hide, see Bug#30399. */
if ((NILP (tip_last_frame) && NILP (tip_frame))
|| (!use_system_tooltips
&& !delete
&& !NILP (tip_frame)
&& FRAME_LIVE_P (XFRAME (tip_frame))
&& !FRAME_VISIBLE_P (XFRAME (tip_frame))))
/* Either there's no tooltip to hide or it's an already invisible
Emacs tooltip and we don't want to change its type. Return
quickly. */
return Qnil;
else
{
Lisp_Object was_open = Qnil;
specpdl_ref count = SPECPDL_INDEX ();
specbind (Qinhibit_redisplay, Qt);
specbind (Qinhibit_quit, Qt);
/* Try to hide the GTK+ system tip first. */
if (!NILP (tip_last_frame))
{
struct frame *f = XFRAME (tip_last_frame);
if (FRAME_LIVE_P (f))
{
if (xg_hide_tooltip (f))
was_open = Qt;
}
}
/* When using GTK+ system tooltips (compare Bug#41200) reset
tip_last_frame. It will be reassigned when showing the next
GTK+ system tooltip. */
if (use_system_tooltips)
tip_last_frame = Qnil;
/* Now look whether there's an Emacs tip around. */
if (!NILP (tip_frame))
{
struct frame *f = XFRAME (tip_frame);
if (FRAME_LIVE_P (f))
{
if (delete || use_system_tooltips)
{
/* Delete the Emacs tooltip frame when DELETE is true
or we change the tooltip type from an Emacs one to
a GTK+ system one. */
delete_frame (tip_frame, Qnil);
tip_frame = Qnil;
}
else
x_make_frame_invisible (f);
was_open = Qt;
}
else
tip_frame = Qnil;
}
else
tip_frame = Qnil;
return unbind_to (count, was_open);
}
#else /* not USE_GTK */
if (NILP (tip_frame)
|| (!delete
&& !NILP (tip_frame)
&& FRAME_LIVE_P (XFRAME (tip_frame))
&& !FRAME_VISIBLE_P (XFRAME (tip_frame))))
return Qnil;
else
{
Lisp_Object was_open = Qnil;
specpdl_ref count = SPECPDL_INDEX ();
specbind (Qinhibit_redisplay, Qt);
specbind (Qinhibit_quit, Qt);
if (!NILP (tip_frame))
{
struct frame *f = XFRAME (tip_frame);
if (FRAME_LIVE_P (f))
{
if (delete)
{
delete_frame (tip_frame, Qnil);
tip_frame = Qnil;
}
else
x_make_frame_invisible (XFRAME (tip_frame));
was_open = Qt;
}
else
tip_frame = Qnil;
}
else
tip_frame = Qnil;
return unbind_to (count, was_open);
}
#endif /* USE_GTK */
}
DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0,
doc: /* Show STRING in a "tooltip" window on frame FRAME.
A tooltip window is a small X window displaying a string.
This is an internal function; Lisp code should call `tooltip-show'.
FRAME nil or omitted means use the selected frame.
PARMS is an optional list of frame parameters which can be used to
change the tooltip's appearance.
Automatically hide the tooltip after TIMEOUT seconds. TIMEOUT nil
means use the default timeout from the `x-show-tooltip-timeout'
variable.
If the list of frame parameters PARMS contains a `left' parameter,
display the tooltip at that x-position. If the list of frame parameters
PARMS contains no `left' but a `right' parameter, display the tooltip
right-adjusted at that x-position. Otherwise display it at the
x-position of the mouse, with offset DX added (default is 5 if DX isn't
specified).
Likewise for the y-position: If a `top' frame parameter is specified, it
determines the position of the upper edge of the tooltip window. If a
`bottom' parameter but no `top' frame parameter is specified, it
determines the position of the lower edge of the tooltip window.
Otherwise display the tooltip window at the y-position of the mouse,
with offset DY added (default is -10).
A tooltip's maximum size is specified by `x-max-tooltip-size'.
Text larger than the specified size is clipped. */)
(Lisp_Object string, Lisp_Object frame, Lisp_Object parms,
Lisp_Object timeout, Lisp_Object dx, Lisp_Object dy)
{
struct frame *f, *tip_f;
struct window *w;
int root_x, root_y;
struct buffer *old_buffer;
struct text_pos pos;
int width, height;
int old_windows_or_buffers_changed = windows_or_buffers_changed;
specpdl_ref count = SPECPDL_INDEX ();
Lisp_Object window, size, tip_buf;
Window child;
XWindowAttributes child_attrs;
int dest_x_return, dest_y_return;
bool displayed;
#ifdef ENABLE_CHECKING
struct glyph_row *row, *end;
#endif
AUTO_STRING (tip, " *tip*");
specbind (Qinhibit_redisplay, Qt);
CHECK_STRING (string);
if (SCHARS (string) == 0)
string = make_unibyte_string (" ", 1);
if (NILP (frame))
frame = selected_frame;
f = decode_window_system_frame (frame);
if (NILP (timeout))
timeout = Vx_show_tooltip_timeout;
CHECK_FIXNAT (timeout);
if (NILP (dx))
dx = make_fixnum (5);
else
CHECK_FIXNUM (dx);
if (NILP (dy))
dy = make_fixnum (-10);
else
CHECK_FIXNUM (dy);
tip_dx = dx;
tip_dy = dy;
#ifdef USE_GTK
if (use_system_tooltips)
{
bool ok;
/* Hide a previous tip, if any. */
Fx_hide_tip ();
block_input ();
ok = xg_prepare_tooltip (f, string, &width, &height);
if (ok)
{
compute_tip_xy (f, parms, dx, dy, width, height, &root_x, &root_y);
xg_show_tooltip (f, root_x, root_y);
tip_last_frame = frame;
}
unblock_input ();
if (ok) goto start_timer;
}
#endif /* USE_GTK */
if (!NILP (tip_frame) && FRAME_LIVE_P (XFRAME (tip_frame)))
{
if (FRAME_VISIBLE_P (XFRAME (tip_frame))
&& (FRAME_X_DISPLAY (XFRAME (frame))
== FRAME_X_DISPLAY (XFRAME (tip_last_frame)))
&& !NILP (Fequal_including_properties (tip_last_string, string))
&& !NILP (Fequal (tip_last_parms, parms)))
{
/* Only DX and DY have changed. */
tip_f = XFRAME (tip_frame);
if (!NILP (tip_timer))
{
call1 (Qcancel_timer, tip_timer);
tip_timer = Qnil;
}
block_input ();
compute_tip_xy (tip_f, parms, dx, dy, FRAME_PIXEL_WIDTH (tip_f),
FRAME_PIXEL_HEIGHT (tip_f), &root_x, &root_y);
XMoveWindow (FRAME_X_DISPLAY (tip_f), FRAME_X_WINDOW (tip_f),
root_x, root_y);
unblock_input ();
goto start_timer;
}
else if (tooltip_reuse_hidden_frame && BASE_EQ (frame, tip_last_frame))
{
bool delete = false;
Lisp_Object tail, elt, parm, last;
/* Check if every parameter in PARMS has the same value in
tip_last_parms. This may destruct tip_last_parms which,
however, will be recreated below. */
for (tail = parms; CONSP (tail); tail = XCDR (tail))
{
elt = XCAR (tail);
parm = Fcar (elt);
/* The left, top, right and bottom parameters are handled
by compute_tip_xy so they can be ignored here. */
if (!EQ (parm, Qleft) && !EQ (parm, Qtop)
&& !EQ (parm, Qright) && !EQ (parm, Qbottom))
{
last = Fassq (parm, tip_last_parms);
if (NILP (Fequal (Fcdr (elt), Fcdr (last))))
{
/* We lost, delete the old tooltip. */
delete = true;
break;
}
else
tip_last_parms =
call2 (Qassq_delete_all, parm, tip_last_parms);
}
else
tip_last_parms =
call2 (Qassq_delete_all, parm, tip_last_parms);
}
/* Now check if every parameter in what is left of
tip_last_parms with a non-nil value has an association in
PARMS. */
for (tail = tip_last_parms; CONSP (tail); tail = XCDR (tail))
{
elt = XCAR (tail);
parm = Fcar (elt);
if (!EQ (parm, Qleft) && !EQ (parm, Qtop) && !EQ (parm, Qright)
&& !EQ (parm, Qbottom) && !NILP (Fcdr (elt)))
{
/* We lost, delete the old tooltip. */
delete = true;
break;
}
}
x_hide_tip (delete);
}
else
x_hide_tip (true);
}
else
x_hide_tip (true);
tip_last_frame = frame;
tip_last_string = string;
tip_last_parms = parms;
if (NILP (tip_frame) || !FRAME_LIVE_P (XFRAME (tip_frame)))
{
/* Add default values to frame parameters. */
if (NILP (Fassq (Qname, parms)))
parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms);
if (NILP (Fassq (Qinternal_border_width, parms)))
parms = Fcons (Fcons (Qinternal_border_width, make_fixnum (3)), parms);
if (NILP (Fassq (Qborder_width, parms)))
parms = Fcons (Fcons (Qborder_width, make_fixnum (1)), parms);
if (NILP (Fassq (Qborder_color, parms)))
parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms);
if (NILP (Fassq (Qbackground_color, parms)))
parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")),
parms);
/* Create a frame for the tooltip, and record it in the global
variable tip_frame. */
if (NILP (tip_frame = x_create_tip_frame (FRAME_DISPLAY_INFO (f), parms)))
/* Creating the tip frame failed. */
return unbind_to (count, Qnil);
}
tip_f = XFRAME (tip_frame);
window = FRAME_ROOT_WINDOW (tip_f);
tip_buf = Fget_buffer_create (tip, Qnil);
/* We will mark the tip window a "pseudo-window" below, and such
windows cannot have display margins. */
bset_left_margin_cols (XBUFFER (tip_buf), make_fixnum (0));
bset_right_margin_cols (XBUFFER (tip_buf), make_fixnum (0));
set_window_buffer (window, tip_buf, false, false);
w = XWINDOW (window);
w->pseudo_window_p = true;
/* Try to avoid that `other-window' select us (Bug#47207). */
Fset_window_parameter (window, Qno_other_window, Qt);
/* Set up the frame's root window. Note: The following code does not
try to size the window or its frame correctly. Its only purpose is
to make the subsequent text size calculations work. The right
sizes should get installed when the toolkit gets back to us. */
w->left_col = 0;
w->top_line = 0;
w->pixel_left = 0;
w->pixel_top = 0;
if (CONSP (Vx_max_tooltip_size)
&& RANGED_FIXNUMP (1, XCAR (Vx_max_tooltip_size), INT_MAX)
&& RANGED_FIXNUMP (1, XCDR (Vx_max_tooltip_size), INT_MAX))
{
w->total_cols = XFIXNAT (XCAR (Vx_max_tooltip_size));
w->total_lines = XFIXNAT (XCDR (Vx_max_tooltip_size));
}
else
{
w->total_cols = 80;
w->total_lines = 40;
}
w->pixel_width = w->total_cols * FRAME_COLUMN_WIDTH (tip_f);
w->pixel_height = w->total_lines * FRAME_LINE_HEIGHT (tip_f);
FRAME_TOTAL_COLS (tip_f) = w->total_cols;
adjust_frame_glyphs (tip_f);
/* Insert STRING into root window's buffer and fit the frame to the
buffer. */
specpdl_ref count_1 = SPECPDL_INDEX ();
old_buffer = current_buffer;
set_buffer_internal_1 (XBUFFER (w->contents));
bset_truncate_lines (current_buffer, Qnil);
specbind (Qinhibit_read_only, Qt);
specbind (Qinhibit_modification_hooks, Qt);
specbind (Qinhibit_point_motion_hooks, Qt);
Ferase_buffer ();
Finsert (1, &string);
clear_glyph_matrix (w->desired_matrix);
clear_glyph_matrix (w->current_matrix);
SET_TEXT_POS (pos, BEGV, BEGV_BYTE);
displayed = try_window (window, pos, TRY_WINDOW_IGNORE_FONTS_CHANGE);
if (!displayed && NILP (Vx_max_tooltip_size))
{
#ifdef ENABLE_CHECKING
row = w->desired_matrix->rows;
end = w->desired_matrix->rows + w->desired_matrix->nrows;
while (row < end)
{
if (!row->displays_text_p
|| row->ends_at_zv_p)
break;
++row;
}
eassert (row < end && row->ends_at_zv_p);
#endif
}
/* Calculate size of tooltip window. */
size = Fwindow_text_pixel_size (window, Qnil, Qnil, Qnil,
make_fixnum (w->pixel_height), Qnil,
Qnil);
/* Add the frame's internal border to calculated size. */
width = XFIXNUM (Fcar (size)) + 2 * FRAME_INTERNAL_BORDER_WIDTH (tip_f);
height = XFIXNUM (Fcdr (size)) + 2 * FRAME_INTERNAL_BORDER_WIDTH (tip_f);
/* Calculate position of tooltip frame. */
compute_tip_xy (tip_f, parms, dx, dy, width, height, &root_x, &root_y);
/* Show tooltip frame. */
block_input ();
/* If the display is composited, then WM_TRANSIENT_FOR must be set
as well, or else the compositing manager won't display
decorations correctly, even though the tooltip window is override
redirect. See
https://specifications.freedesktop.org/wm-spec/1.4/ar01s08.html
Perhaps WM_TRANSIENT_FOR should be used in place of
override-redirect anyway. The ICCCM only recommends
override-redirect if the pointer will be grabbed. */
if (XTranslateCoordinates (FRAME_X_DISPLAY (f),
FRAME_DISPLAY_INFO (f)->root_window,
FRAME_DISPLAY_INFO (f)->root_window,
root_x, root_y, &dest_x_return,
&dest_y_return, &child)
&& child != None)
{
/* But only if the child is not override-redirect, which can
happen if the pointer is above a menu. */
if (XGetWindowAttributes (FRAME_X_DISPLAY (f),
child, &child_attrs)
|| child_attrs.override_redirect)
XDeleteProperty (FRAME_X_DISPLAY (tip_f),
FRAME_X_WINDOW (tip_f),
FRAME_DISPLAY_INFO (tip_f)->Xatom_wm_transient_for);
else
XSetTransientForHint (FRAME_X_DISPLAY (tip_f),
FRAME_X_WINDOW (tip_f), child);
}
else
XDeleteProperty (FRAME_X_DISPLAY (tip_f),
FRAME_X_WINDOW (tip_f),
FRAME_DISPLAY_INFO (tip_f)->Xatom_wm_transient_for);
#ifndef USE_XCB
XMoveResizeWindow (FRAME_X_DISPLAY (tip_f), FRAME_X_WINDOW (tip_f),
root_x, root_y, width, height);
XMapRaised (FRAME_X_DISPLAY (tip_f), FRAME_X_WINDOW (tip_f));
#else
uint32_t values[] = { root_x, root_y, width, height, XCB_STACK_MODE_ABOVE };
xcb_configure_window (FRAME_DISPLAY_INFO (tip_f)->xcb_connection,
(xcb_window_t) FRAME_X_WINDOW (tip_f),
(XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT
| XCB_CONFIG_WINDOW_STACK_MODE), &values);
xcb_map_window (FRAME_DISPLAY_INFO (tip_f)->xcb_connection,
(xcb_window_t) FRAME_X_WINDOW (tip_f));
#endif
unblock_input ();
#ifdef USE_CAIRO
x_cr_update_surface_desired_size (tip_f, width, height);
#endif /* USE_CAIRO */
w->must_be_updated_p = true;
update_single_window (w);
flush_frame (tip_f);
set_buffer_internal_1 (old_buffer);
unbind_to (count_1, Qnil);
windows_or_buffers_changed = old_windows_or_buffers_changed;
start_timer:
/* Let the tip disappear after timeout seconds. */
tip_timer = call3 (Qrun_at_time, timeout, Qnil,
Qx_hide_tip);
return unbind_to (count, Qnil);
}
DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
doc: /* Hide the current tooltip window, if there is any.
Value is t if tooltip was open, nil otherwise. */)
(void)
{
return x_hide_tip (!tooltip_reuse_hidden_frame);
}
DEFUN ("x-double-buffered-p", Fx_double_buffered_p, Sx_double_buffered_p,
0, 1, 0,
doc: /* Return t if FRAME is being double buffered. */)
(Lisp_Object frame)
{
#ifdef HAVE_XDBE
struct frame *f = decode_live_frame (frame);
return FRAME_X_DOUBLE_BUFFERED_P (f) ? Qt : Qnil;
#else
return Qnil;
#endif
}
\f
/***********************************************************************
File selection dialog
***********************************************************************/
DEFUN ("x-uses-old-gtk-dialog", Fx_uses_old_gtk_dialog,
Sx_uses_old_gtk_dialog,
0, 0, 0,
doc: /* Return t if the old Gtk+ file selection dialog is used. */)
(void)
{
#ifdef USE_GTK
if (use_dialog_box
&& use_file_dialog
&& window_system_available (SELECTED_FRAME ())
&& xg_uses_old_file_dialog ())
return Qt;
#endif
return Qnil;
}
#ifdef USE_MOTIF
/* Callback for "OK" and "Cancel" on file selection dialog. */
static void
file_dialog_cb (Widget widget, XtPointer client_data, XtPointer call_data)
{
int *result = client_data;
XmAnyCallbackStruct *cb = call_data;
*result = cb->reason;
}
/* Callback for unmapping a file selection dialog. This is used to
capture the case where a dialog is closed via a window manager's
closer button, for example. Using a XmNdestroyCallback didn't work
in this case. */
static void
file_dialog_unmap_cb (Widget widget, XtPointer client_data, XtPointer call_data)
{
int *result = client_data;
*result = XmCR_CANCEL;
}
static void
clean_up_file_dialog (void *arg)
{
Widget dialog = arg;
/* Clean up. */
block_input ();
XtUnmanageChild (dialog);
XtDestroyWidget (dialog);
x_menu_set_in_use (false);
unblock_input ();
}
DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 5, 0,
doc: /* SKIP: real doc in USE_GTK definition in xfns.c. */)
(Lisp_Object prompt, Lisp_Object dir, Lisp_Object default_filename,
Lisp_Object mustmatch, Lisp_Object only_dir_p)
{
int result;
struct frame *f = SELECTED_FRAME ();
Lisp_Object file = Qnil;
Lisp_Object decoded_file;
Widget dialog, text, help;
Arg al[10];
int ac = 0;
XmString dir_xmstring, pattern_xmstring;
specpdl_ref count = SPECPDL_INDEX ();
check_window_system (f);
if (popup_activated ())
error ("Trying to use a menu from within a menu-entry");
CHECK_STRING (prompt);
CHECK_STRING (dir);
/* Prevent redisplay. */
specbind (Qinhibit_redisplay, Qt);
/* Defer selection requests. */
DEFER_SELECTIONS;
block_input ();
/* Create the dialog with PROMPT as title, using DIR as initial
directory and using "*" as pattern. */
dir = Fexpand_file_name (dir, Qnil);
dir_xmstring = XmStringCreateLocalized (SSDATA (dir));
pattern_xmstring = XmStringCreateLocalized ("*");
XtSetArg (al[ac], XmNtitle, SDATA (prompt)); ++ac;
XtSetArg (al[ac], XmNdirectory, dir_xmstring); ++ac;
XtSetArg (al[ac], XmNpattern, pattern_xmstring); ++ac;
XtSetArg (al[ac], XmNresizePolicy, XmRESIZE_GROW); ++ac;
XtSetArg (al[ac], XmNdialogStyle, XmDIALOG_APPLICATION_MODAL); ++ac;
dialog = XmCreateFileSelectionDialog (f->output_data.x->widget,
"fsb", al, ac);
XmStringFree (dir_xmstring);
XmStringFree (pattern_xmstring);
/* Add callbacks for OK and Cancel. */
XtAddCallback (dialog, XmNokCallback, file_dialog_cb,
(XtPointer) &result);
XtAddCallback (dialog, XmNcancelCallback, file_dialog_cb,
(XtPointer) &result);
XtAddCallback (dialog, XmNunmapCallback, file_dialog_unmap_cb,
(XtPointer) &result);
/* Remove the help button since we can't display help. */
help = XmFileSelectionBoxGetChild (dialog, XmDIALOG_HELP_BUTTON);
XtUnmanageChild (help);
/* Mark OK button as default. */
XtVaSetValues (XmFileSelectionBoxGetChild (dialog, XmDIALOG_OK_BUTTON),
XmNshowAsDefault, True, NULL);
/* If MUSTMATCH is non-nil, disable the file entry field of the
dialog, so that the user must select a file from the files list
box. We can't remove it because we wouldn't have a way to get at
the result file name, then. */
text = XmFileSelectionBoxGetChild (dialog, XmDIALOG_TEXT);
if (!NILP (mustmatch))
{
Widget label;
label = XmFileSelectionBoxGetChild (dialog, XmDIALOG_SELECTION_LABEL);
XtSetSensitive (text, False);
XtSetSensitive (label, False);
}
/* Manage the dialog, so that list boxes get filled. */
XtManageChild (dialog);
if (STRINGP (default_filename))
{
XmString default_xmstring;
Widget wtext = XmFileSelectionBoxGetChild (dialog, XmDIALOG_TEXT);
Widget list = XmFileSelectionBoxGetChild (dialog, XmDIALOG_LIST);
XmTextPosition last_pos = XmTextFieldGetLastPosition (wtext);
XmTextFieldReplace (wtext, 0, last_pos,
(SSDATA (Ffile_name_nondirectory (default_filename))));
/* Select DEFAULT_FILENAME in the files list box. DEFAULT_FILENAME
must include the path for this to work. */
default_xmstring = XmStringCreateLocalized (SSDATA (default_filename));
if (XmListItemExists (list, default_xmstring))
{
int item_pos = XmListItemPos (list, default_xmstring);
/* Select the item and scroll it into view. */
XmListSelectPos (list, item_pos, True);
XmListSetPos (list, item_pos);
}
XmStringFree (default_xmstring);
}
record_unwind_protect_ptr (clean_up_file_dialog, dialog);
/* Process events until the user presses Cancel or OK. */
x_menu_set_in_use (true);
result = 0;
while (result == 0)
{
XEvent event, copy;
x_menu_wait_for_event (0);
if (XtAppPending (Xt_app_con))
{
XtAppNextEvent (Xt_app_con, &event);
copy = event;
if (event.type == KeyPress
&& FRAME_X_DISPLAY (f) == event.xkey.display)
{
KeySym keysym = XLookupKeysym (&event.xkey, 0);
/* Pop down on C-g. */
if (keysym == XK_g && (event.xkey.state & ControlMask) != 0)
XtUnmanageChild (dialog);
}
#ifdef HAVE_XINPUT2
else if (event.type == GenericEvent
&& FRAME_X_DISPLAY (f) == event.xgeneric.display
&& FRAME_DISPLAY_INFO (f)->supports_xi2
&& (event.xgeneric.extension
== FRAME_DISPLAY_INFO (f)->xi2_opcode)
&& event.xgeneric.evtype == XI_KeyPress)
{
KeySym keysym;
XIDeviceEvent *xev;
if (event.xcookie.data)
emacs_abort ();
if (XGetEventData (FRAME_X_DISPLAY (f), &event.xcookie))
{
xev = (XIDeviceEvent *) event.xcookie.data;
copy.xkey.type = KeyPress;
copy.xkey.serial = xev->serial;
copy.xkey.send_event = xev->send_event;
copy.xkey.display = FRAME_X_DISPLAY (f);
copy.xkey.window = xev->event;
copy.xkey.root = xev->root;
copy.xkey.subwindow = xev->child;
copy.xkey.time = xev->time;
copy.xkey.x = lrint (xev->event_x);
copy.xkey.y = lrint (xev->event_y);
copy.xkey.x_root = lrint (xev->root_x);
copy.xkey.y_root = lrint (xev->root_y);
copy.xkey.state = xev->mods.effective;
copy.xkey.keycode = xev->detail;
copy.xkey.same_screen = True;
keysym = XLookupKeysym (©.xkey, 0);
if (keysym == XK_g
&& (copy.xkey.state & ControlMask) != 0) /* Any escape, ignore modifiers. */
XtUnmanageChild (dialog);
XFreeEventData (FRAME_X_DISPLAY (f), &event.xcookie);
}
}
#endif
(void) x_dispatch_event (©, FRAME_X_DISPLAY (f));
}
}
/* Get the result. */
if (result == XmCR_OK)
{
XmString text_string;
String data;
XtVaGetValues (dialog, XmNtextString, &text_string, NULL);
XmStringGetLtoR (text_string, XmFONTLIST_DEFAULT_TAG, &data);
XmStringFree (text_string);
file = build_string (data);
XtFree (data);
}
else
file = Qnil;
unblock_input ();
/* Make "Cancel" equivalent to C-g. */
if (NILP (file))
quit ();
decoded_file = DECODE_FILE (file);
return unbind_to (count, decoded_file);
}
#endif /* USE_MOTIF */
#ifdef USE_GTK
static void
clean_up_dialog (void)
{
x_menu_set_in_use (false);
}
DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 5, 0,
doc: /* Read file name, prompting with PROMPT in directory DIR.
Use a file selection dialog. Select DEFAULT-FILENAME in the dialog's file
selection box, if specified. If MUSTMATCH is non-nil, the returned file
or directory must exist.
This function is defined only on NS, Haiku, MS Windows, and X Windows with the
Motif or Gtk toolkits. With the Motif toolkit, ONLY-DIR-P is ignored.
Otherwise, if ONLY-DIR-P is non-nil, the user can select only directories.
On MS Windows 7 and later, the file selection dialog "remembers" the last
directory where the user selected a file, and will open that directory
instead of DIR on subsequent invocations of this function with the same
value of DIR as in previous invocations; this is standard MS Windows behavior. */)
(Lisp_Object prompt, Lisp_Object dir, Lisp_Object default_filename, Lisp_Object mustmatch, Lisp_Object only_dir_p)
{
struct frame *f = SELECTED_FRAME ();
char *fn;
Lisp_Object file = Qnil;
Lisp_Object decoded_file;
specpdl_ref count = SPECPDL_INDEX ();
char *cdef_file;
check_window_system (f);
if (popup_activated ())
error ("Trying to use a menu from within a menu-entry");
else
x_menu_set_in_use (true);
CHECK_STRING (prompt);
CHECK_STRING (dir);
/* Prevent redisplay. */
specbind (Qinhibit_redisplay, Qt);
record_unwind_protect_void (clean_up_dialog);
block_input ();
if (STRINGP (default_filename))
cdef_file = SSDATA (default_filename);
else
cdef_file = SSDATA (dir);
fn = xg_get_file_name (f, SSDATA (prompt), cdef_file,
! NILP (mustmatch),
! NILP (only_dir_p));
if (fn)
{
file = build_string (fn);
xfree (fn);
}
unblock_input ();
/* Make "Cancel" equivalent to C-g. */
if (NILP (file))
quit ();
decoded_file = DECODE_FILE (file);
return unbind_to (count, decoded_file);
}
#ifdef HAVE_FREETYPE
DEFUN ("x-select-font", Fx_select_font, Sx_select_font, 0, 2, 0,
doc: /* Read a font using a GTK dialog.
Return either a font spec (for GTK versions >= 3.2) or a string
containing a GTK-style font name.
FRAME is the frame on which to pop up the font chooser. If omitted or
nil, it defaults to the selected frame. */)
(Lisp_Object frame, Lisp_Object ignored)
{
struct frame *f = decode_window_system_frame (frame);
Lisp_Object font;
Lisp_Object font_param;
char *default_name = NULL;
specpdl_ref count = SPECPDL_INDEX ();
if (popup_activated ())
error ("Trying to use a menu from within a menu-entry");
else
x_menu_set_in_use (true);
/* Prevent redisplay. */
specbind (Qinhibit_redisplay, Qt);
record_unwind_protect_void (clean_up_dialog);
block_input ();
XSETFONT (font, FRAME_FONT (f));
font_param = Ffont_get (font, QCname);
if (STRINGP (font_param))
default_name = xlispstrdup (font_param);
else
{
font_param = Fframe_parameter (frame, Qfont_parameter);
if (STRINGP (font_param))
default_name = xlispstrdup (font_param);
}
font = xg_get_font (f, default_name);
xfree (default_name);
unblock_input ();
if (NILP (font))
quit ();
return unbind_to (count, font);
}
#endif /* HAVE_FREETYPE */
#endif /* USE_GTK */
\f
/***********************************************************************
Keyboard
***********************************************************************/
#ifdef HAVE_XKB
#include <X11/XKBlib.h>
#include <X11/keysym.h>
#endif
DEFUN ("x-backspace-delete-keys-p", Fx_backspace_delete_keys_p,
Sx_backspace_delete_keys_p, 0, 1, 0,
doc: /* Check if both Backspace and Delete keys are on the keyboard of FRAME.
FRAME nil means use the selected frame.
Value is t if we know that both keys are present, and are mapped to the
usual X keysyms. Value is `lambda' if we cannot determine if both keys are
present and mapped to the usual X keysyms. */)
(Lisp_Object frame)
{
#ifndef HAVE_XKB
return Qlambda;
#else
XkbDescPtr kb;
struct frame *f = decode_window_system_frame (frame);
Display *dpy = FRAME_X_DISPLAY (f);
Lisp_Object have_keys;
if (!FRAME_DISPLAY_INFO (f)->supports_xkb)
return Qlambda;
block_input ();
/* In this code we check that the keyboard has physical keys with names
that start with BKSP (Backspace) and DELE (Delete), and that they
generate keysym XK_BackSpace and XK_Delete respectively.
This function is used to test if normal-erase-is-backspace should be
turned on.
An alternative approach would be to just check if XK_BackSpace and
XK_Delete are mapped to any key. But if any of those are mapped to
some non-intuitive key combination (Meta-Shift-Ctrl-whatever) and the
user doesn't know about it, it is better to return false here.
It is more obvious to the user what to do if she/he has two keys
clearly marked with names/symbols and one key does something not
expected (i.e. she/he then tries the other).
The cases where Backspace/Delete is mapped to some other key combination
are rare, and in those cases, normal-erase-is-backspace can be turned on
manually. */
have_keys = Qnil;
kb = XkbGetMap (dpy, XkbAllMapComponentsMask, XkbUseCoreKbd);
if (kb)
{
int delete_keycode = 0, backspace_keycode = 0, i;
if (XkbGetNames (dpy, XkbAllNamesMask, kb) == Success)
{
for (i = kb->min_key_code;
(i < kb->max_key_code
&& (delete_keycode == 0 || backspace_keycode == 0));
++i)
{
/* The XKB symbolic key names can be seen most easily in
the PS file generated by `xkbprint -label name
$DISPLAY'. */
if (memcmp ("DELE", kb->names->keys[i].name, 4) == 0)
delete_keycode = i;
else if (memcmp ("BKSP", kb->names->keys[i].name, 4) == 0)
backspace_keycode = i;
}
XkbFreeNames (kb, 0, True);
}
/* As of libX11-1.6.2, XkbGetMap manual says that you should use
XkbFreeClientMap to free the data returned by XkbGetMap. But
this function just frees the data referenced from KB and not
KB itself. To free KB as well, call XkbFreeKeyboard. */
XkbFreeKeyboard (kb, XkbAllMapComponentsMask, True);
if (delete_keycode
&& backspace_keycode
&& XKeysymToKeycode (dpy, XK_Delete) == delete_keycode
&& XKeysymToKeycode (dpy, XK_BackSpace) == backspace_keycode)
have_keys = Qt;
}
unblock_input ();
return have_keys;
#endif
}
DEFUN ("x-get-modifier-masks", Fx_get_modifier_masks, Sx_get_modifier_masks,
0, 1, 0,
doc: /* Return the X modifier masks corresponding to keyboard modifiers.
The optional second argument TERMINAL specifies which display to fetch
modifier masks from. TERMINAL should be a terminal object, a frame or
a display name (a string). If TERMINAL is omitted or nil, that stands
for the selected frame's display.
Return a list of (HYPER SUPER ALT SHIFT-LOCK META), each element being
a number describing the modifier mask for the corresponding Emacs
modifier. */)
(Lisp_Object terminal)
{
struct x_display_info *dpyinfo;
dpyinfo = check_x_display_info (terminal);
return x_get_keyboard_modifiers (dpyinfo);
}
\f
/***********************************************************************
Printing
***********************************************************************/
#ifdef USE_CAIRO
DEFUN ("x-export-frames", Fx_export_frames, Sx_export_frames, 0, 2, 0,
doc: /* Return image data of FRAMES in TYPE format.
FRAMES should be nil (the selected frame), a frame, or a list of
frames (each of which corresponds to one page). Each frame should be
visible. Optional arg TYPE should be either `pdf' (default), `png',
`postscript', or `svg'. Supported types are determined by the
compile-time configuration of cairo.
Note: Text drawn with the `x' font backend is shown with hollow boxes
unless TYPE is `png'. */)
(Lisp_Object frames, Lisp_Object type)
{
Lisp_Object rest, tmp;
cairo_surface_type_t surface_type;
if (!CONSP (frames))
frames = list1 (frames);
tmp = Qnil;
for (rest = frames; CONSP (rest); rest = XCDR (rest))
{
struct frame *f = decode_window_system_frame (XCAR (rest));
Lisp_Object frame;
XSETFRAME (frame, f);
if (!FRAME_VISIBLE_P (f))
error ("Frames to be exported must be visible.");
tmp = Fcons (frame, tmp);
}
frames = Fnreverse (tmp);
#ifdef CAIRO_HAS_PDF_SURFACE
if (NILP (type) || EQ (type, Qpdf))
surface_type = CAIRO_SURFACE_TYPE_PDF;
else
#endif
#ifdef CAIRO_HAS_PNG_FUNCTIONS
if (EQ (type, Qpng))
{
if (!NILP (XCDR (frames)))
error ("PNG export cannot handle multiple frames.");
surface_type = CAIRO_SURFACE_TYPE_IMAGE;
}
else
#endif
#ifdef CAIRO_HAS_PS_SURFACE
if (EQ (type, Qpostscript))
surface_type = CAIRO_SURFACE_TYPE_PS;
else
#endif
#ifdef CAIRO_HAS_SVG_SURFACE
if (EQ (type, Qsvg))
{
/* For now, we stick to SVG 1.1. */
if (!NILP (XCDR (frames)))
error ("SVG export cannot handle multiple frames.");
surface_type = CAIRO_SURFACE_TYPE_SVG;
}
else
#endif
error ("Unsupported export type");
return x_cr_export_frames (frames, surface_type);
}
#ifdef USE_GTK
DEFUN ("x-page-setup-dialog", Fx_page_setup_dialog, Sx_page_setup_dialog, 0, 0, 0,
doc: /* Pop up a page setup dialog.
The current page setup can be obtained using `x-get-page-setup'. */)
(void)
{
block_input ();
xg_page_setup_dialog ();
unblock_input ();
return Qnil;
}
DEFUN ("x-get-page-setup", Fx_get_page_setup, Sx_get_page_setup, 0, 0, 0,
doc: /* Return the value of the current page setup.
The return value is an alist containing the following keys:
orientation: page orientation (symbol `portrait', `landscape',
`reverse-portrait', or `reverse-landscape').
width, height: page width/height in points not including margins.
left-margin, right-margin, top-margin, bottom-margin: print margins,
which is the parts of the page that the printer cannot print
on, in points.
The paper width can be obtained as the sum of width, left-margin, and
right-margin values if the page orientation is `portrait' or
`reverse-portrait'. Otherwise, it is the sum of width, top-margin,
and bottom-margin values. Likewise, the paper height is the sum of
height, top-margin, and bottom-margin values if the page orientation
is `portrait' or `reverse-portrait'. Otherwise, it is the sum of
height, left-margin, and right-margin values. */)
(void)
{
Lisp_Object result;
block_input ();
result = xg_get_page_setup ();
unblock_input ();
return result;
}
DEFUN ("x-print-frames-dialog", Fx_print_frames_dialog, Sx_print_frames_dialog, 0, 1, "",
doc: /* Pop up a print dialog to print the current contents of FRAMES.
FRAMES should be nil (the selected frame), a frame, or a list of
frames (each of which corresponds to one page). Each frame should be
visible.
Note: Text drawn with the `x' font backend is shown with hollow boxes. */)
(Lisp_Object frames)
{
Lisp_Object rest, tmp;
if (!CONSP (frames))
frames = list1 (frames);
tmp = Qnil;
for (rest = frames; CONSP (rest); rest = XCDR (rest))
{
struct frame *f = decode_window_system_frame (XCAR (rest));
Lisp_Object frame;
XSETFRAME (frame, f);
if (!FRAME_VISIBLE_P (f))
error ("Frames to be printed must be visible.");
tmp = Fcons (frame, tmp);
}
frames = Fnreverse (tmp);
/* Make sure the current matrices are up-to-date. */
specpdl_ref count = SPECPDL_INDEX ();
specbind (Qredisplay_dont_pause, Qt);
redisplay_preserve_echo_area (32);
unbind_to (count, Qnil);
block_input ();
xg_print_frames_dialog (frames);
unblock_input ();
return Qnil;
}
#endif /* USE_GTK */
#endif /* USE_CAIRO */
#ifdef USE_GTK
#ifdef HAVE_GTK3
#if GTK_CHECK_VERSION (3, 14, 0)
DEFUN ("x-gtk-debug", Fx_gtk_debug, Sx_gtk_debug, 1, 1, 0,
doc: /* Toggle interactive GTK debugging. */)
(Lisp_Object enable)
{
gboolean enable_debug = !NILP (enable);
block_input ();
gtk_window_set_interactive_debugging (enable_debug);
unblock_input ();
return NILP (enable) ? Qnil : Qt;
}
#endif /* GTK_CHECK_VERSION (3, 14, 0) */
#endif /* HAVE_GTK3 */
#endif /* USE_GTK */
DEFUN ("x-display-set-last-user-time", Fx_display_last_user_time,
Sx_display_set_last_user_time, 1, 2, 0,
doc: /* Set the last user time of TERMINAL to TIME-OBJECT.
TIME-OBJECT is the X server time, in milliseconds, of the last user
interaction. This is the timestamp that `x-get-selection-internal'
will use by default to fetch selection data.
The optional second argument TERMINAL specifies which display to act
on. TERMINAL should be a terminal object, a frame or a display name
(a string). If TERMINAL is omitted or nil, that stands for the
selected frame's display. */)
(Lisp_Object time_object, Lisp_Object terminal)
{
struct x_display_info *dpyinfo;
Time time;
dpyinfo = check_x_display_info (terminal);
CONS_TO_INTEGER (time_object, Time, time);
x_set_last_user_time_from_lisp (dpyinfo, time);
return Qnil;
}
DEFUN ("x-internal-focus-input-context", Fx_internal_focus_input_context,
Sx_internal_focus_input_context, 1, 1, 0,
doc: /* Focus and set the client window of all focused frames' GTK input context.
If FOCUS is nil, focus out and remove the client window instead.
This should be called from a variable watcher for `x-gtk-use-native-input'. */)
(Lisp_Object focus)
{
#ifdef USE_GTK
struct x_display_info *dpyinfo;
struct frame *f;
GtkWidget *widget;
block_input ();
for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next)
{
f = dpyinfo->x_focus_frame;
if (f)
{
widget = FRAME_GTK_OUTER_WIDGET (f);
if (!NILP (focus))
{
gtk_im_context_focus_in (FRAME_X_OUTPUT (f)->im_context);
gtk_im_context_set_client_window (FRAME_X_OUTPUT (f)->im_context,
gtk_widget_get_window (widget));
}
else
{
gtk_im_context_focus_out (FRAME_X_OUTPUT (f)->im_context);
gtk_im_context_set_client_window (FRAME_X_OUTPUT (f)->im_context,
NULL);
}
}
}
unblock_input ();
#endif
return Qnil;
}
\f
/***********************************************************************
Initialization
***********************************************************************/
/* Keep this list in the same order as frame_parms in frame.c.
Use 0 for unsupported frame parameters. */
frame_parm_handler x_frame_parm_handlers[] =
{
gui_set_autoraise,
gui_set_autolower,
x_set_background_color,
x_set_border_color,
gui_set_border_width,
x_set_cursor_color,
x_set_cursor_type,
gui_set_font,
x_set_foreground_color,
x_set_icon_name,
x_set_icon_type,
x_set_child_frame_border_width,
x_set_internal_border_width,
gui_set_right_divider_width,
gui_set_bottom_divider_width,
x_set_menu_bar_lines,
x_set_mouse_color,
x_explicitly_set_name,
gui_set_scroll_bar_width,
gui_set_scroll_bar_height,
x_set_title,
gui_set_unsplittable,
gui_set_vertical_scroll_bars,
gui_set_horizontal_scroll_bars,
gui_set_visibility,
x_set_tab_bar_lines,
x_set_tool_bar_lines,
x_set_scroll_bar_foreground,
x_set_scroll_bar_background,
gui_set_screen_gamma,
gui_set_line_spacing,
gui_set_left_fringe,
gui_set_right_fringe,
x_set_wait_for_wm,
gui_set_fullscreen,
gui_set_font_backend,
x_set_alpha,
x_set_sticky,
x_set_tool_bar_position,
#ifdef HAVE_XDBE
x_set_inhibit_double_buffering,
#else
NULL,
#endif
x_set_undecorated,
x_set_parent_frame,
x_set_skip_taskbar,
x_set_no_focus_on_map,
x_set_no_accept_focus,
x_set_z_group,
x_set_override_redirect,
gui_set_no_special_glyphs,
x_set_alpha_background,
x_set_use_frame_synchronization,
x_set_shaded,
};
/* Some versions of libX11 don't have symbols for a few functions we
need, so define replacements here. */
#ifdef HAVE_XKB
#ifndef HAVE_XKBREFRESHKEYBOARDMAPPING
Status
XkbRefreshKeyboardMapping (XkbMapNotifyEvent *event)
{
return Success;
}
#endif
#ifndef HAVE_XKBFREENAMES
void
XkbFreeNames (XkbDescPtr xkb, unsigned int which, Bool free_map)
{
return;
}
#endif
#endif
#ifndef HAVE_XDISPLAYCELLS
int
XDisplayCells (Display *dpy, int screen_number)
{
struct x_display_info *dpyinfo = x_display_info_for_display (dpy);
if (!dpyinfo)
emacs_abort ();
/* Not strictly correct, since the display could be using a
non-default visual, but it satisfies the callers we need to care
about. */
return dpyinfo->visual_info.colormap_size;
}
#endif
#ifndef HAVE_XDESTROYSUBWINDOWS
int
XDestroySubwindows (Display *dpy, Window w)
{
Window root, parent, *children;
unsigned int nchildren, i;
if (XQueryTree (dpy, w, &root, &parent, &children,
&nchildren))
{
for (i = 0; i < nchildren; ++i)
XDestroyWindow (dpy, children[i]);
XFree (children);
}
return 0;
}
#endif
void
syms_of_xfns (void)
{
DEFSYM (Qundefined_color, "undefined-color");
DEFSYM (Qcompound_text, "compound-text");
DEFSYM (Qcancel_timer, "cancel-timer");
DEFSYM (Qfont_parameter, "font-parameter");
DEFSYM (Qmono, "mono");
DEFSYM (Qassq_delete_all, "assq-delete-all");
DEFSYM (Qresize_mode, "resize-mode");
#ifdef USE_CAIRO
DEFSYM (Qpdf, "pdf");
DEFSYM (Qorientation, "orientation");
DEFSYM (Qtop_margin, "top-margin");
DEFSYM (Qbottom_margin, "bottom-margin");
DEFSYM (Qportrait, "portrait");
DEFSYM (Qlandscape, "landscape");
DEFSYM (Qreverse_portrait, "reverse-portrait");
DEFSYM (Qreverse_landscape, "reverse-landscape");
#endif
DEFSYM (QXdndActionCopy, "XdndActionCopy");
DEFSYM (QXdndActionMove, "XdndActionMove");
DEFSYM (QXdndActionLink, "XdndActionLink");
DEFSYM (QXdndActionAsk, "XdndActionAsk");
DEFSYM (QXdndActionPrivate, "XdndActionPrivate");
Fput (Qundefined_color, Qerror_conditions,
pure_list (Qundefined_color, Qerror));
Fput (Qundefined_color, Qerror_message,
build_pure_c_string ("Undefined color"));
DEFVAR_LISP ("x-pointer-shape", Vx_pointer_shape,
doc: /* The shape of the pointer when over text.
Changing the value does not affect existing frames
unless you set the mouse color. */);
Vx_pointer_shape = Qnil;
#if false /* This doesn't really do anything. */
DEFVAR_LISP ("x-nontext-pointer-shape", Vx_nontext_pointer_shape,
doc: /* The shape of the pointer when not over text.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
#endif
Vx_nontext_pointer_shape = Qnil;
DEFVAR_LISP ("x-hourglass-pointer-shape", Vx_hourglass_pointer_shape,
doc: /* The shape of the pointer when Emacs is busy.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_hourglass_pointer_shape = Qnil;
#if false /* This doesn't really do anything. */
DEFVAR_LISP ("x-mode-pointer-shape", Vx_mode_pointer_shape,
doc: /* The shape of the pointer when over the mode line.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
#endif
Vx_mode_pointer_shape = Qnil;
DEFVAR_LISP ("x-sensitive-text-pointer-shape",
Vx_sensitive_text_pointer_shape,
doc: /* The shape of the pointer when over mouse-sensitive text.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_sensitive_text_pointer_shape = Qnil;
DEFVAR_LISP ("x-window-horizontal-drag-cursor",
Vx_window_horizontal_drag_shape,
doc: /* Pointer shape to use for indicating a window can be dragged horizontally.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_horizontal_drag_shape = Qnil;
DEFVAR_LISP ("x-window-vertical-drag-cursor",
Vx_window_vertical_drag_shape,
doc: /* Pointer shape to use for indicating a window can be dragged vertically.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_vertical_drag_shape = Qnil;
DEFVAR_LISP ("x-window-left-edge-cursor",
Vx_window_left_edge_shape,
doc: /* Pointer shape indicating a left x-window edge can be dragged.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_left_edge_shape = Qnil;
DEFVAR_LISP ("x-window-top-left-corner-cursor",
Vx_window_top_left_corner_shape,
doc: /* Pointer shape indicating a top left x-window corner can be dragged.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_top_left_corner_shape = Qnil;
DEFVAR_LISP ("x-window-top-edge-cursor",
Vx_window_top_edge_shape,
doc: /* Pointer shape indicating a top x-window edge can be dragged.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_top_edge_shape = Qnil;
DEFVAR_LISP ("x-window-top-right-corner-cursor",
Vx_window_top_right_corner_shape,
doc: /* Pointer shape indicating a top right x-window corner can be dragged.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_top_right_corner_shape = Qnil;
DEFVAR_LISP ("x-window-right-edge-cursor",
Vx_window_right_edge_shape,
doc: /* Pointer shape indicating a right x-window edge can be dragged.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_right_edge_shape = Qnil;
DEFVAR_LISP ("x-window-bottom-right-corner-cursor",
Vx_window_bottom_right_corner_shape,
doc: /* Pointer shape indicating a bottom right x-window corner can be dragged.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_bottom_right_corner_shape = Qnil;
DEFVAR_LISP ("x-window-bottom-edge-cursor",
Vx_window_bottom_edge_shape,
doc: /* Pointer shape indicating a bottom x-window edge can be dragged.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_bottom_edge_shape = Qnil;
DEFVAR_LISP ("x-window-bottom-left-corner-cursor",
Vx_window_bottom_left_corner_shape,
doc: /* Pointer shape indicating a bottom left x-window corner can be dragged.
This variable takes effect when you create a new frame
or when you set the mouse color. */);
Vx_window_bottom_left_corner_shape = Qnil;
DEFVAR_LISP ("x-cursor-fore-pixel", Vx_cursor_fore_pixel,
doc: /* A string indicating the foreground color of the cursor box. */);
Vx_cursor_fore_pixel = Qnil;
DEFVAR_LISP ("x-max-tooltip-size", Vx_max_tooltip_size,
doc: /* Maximum size for tooltips.
Value is a pair (COLUMNS . ROWS). Text larger than this is clipped. */);
Vx_max_tooltip_size = Qnil;
DEFVAR_LISP ("x-no-window-manager", Vx_no_window_manager,
doc: /* Non-nil if no X window manager is in use.
Emacs doesn't try to figure this out; this is always nil
unless you set it to something else. */);
/* We don't have any way to find this out, so set it to nil
and maybe the user would like to set it to t. */
Vx_no_window_manager = Qnil;
DEFVAR_LISP ("x-pixel-size-width-font-regexp",
Vx_pixel_size_width_font_regexp,
doc: /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.
Since Emacs gets the width of a font matching this regexp from the
PIXEL_SIZE field of the name, the font-finding mechanism gets faster for
such a font. This is especially effective for large fonts such as
Chinese, Japanese, and Korean. */);
Vx_pixel_size_width_font_regexp = Qnil;
/* This is not ifdef:ed, so other builds than GTK can customize it. */
DEFVAR_BOOL ("x-gtk-use-old-file-dialog", x_gtk_use_old_file_dialog,
doc: /* Non-nil means prompt with the old GTK file selection dialog.
If nil or if the file selection dialog is not available, the new GTK file
chooser is used instead. To turn off all file dialogs set the
variable `use-file-dialog'. */);
x_gtk_use_old_file_dialog = false;
DEFVAR_BOOL ("x-gtk-show-hidden-files", x_gtk_show_hidden_files,
doc: /* If non-nil, the GTK file chooser will by default show hidden files.
Note that this is just the default, there is a toggle button on the file
chooser to show or not show hidden files on a case by case basis. */);
x_gtk_show_hidden_files = false;
DEFVAR_BOOL ("x-gtk-file-dialog-help-text", x_gtk_file_dialog_help_text,
doc: /* If non-nil, the GTK file chooser will show additional help text.
If more space for files in the file chooser dialog is wanted, set this to nil
to turn the additional text off. */);
x_gtk_file_dialog_help_text = true;
DEFVAR_LISP ("x-gtk-resize-child-frames", x_gtk_resize_child_frames,
doc: /* If non-nil, resize child frames specially with GTK builds.
If this is nil, resize child frames like any other frames. This is the
default and usually works with most desktops. Some desktop environments
(GNOME shell in particular when using the mutter window manager),
however, may refuse to resize a child frame when Emacs is built with
GTK3. For those environments, the two settings below are provided.
If this equals the symbol `hide', Emacs temporarily hides the child
frame during resizing. This approach seems to work reliably, may
however induce some flicker when the frame is made visible again.
If this equals the symbol `resize-mode', Emacs uses GTK's resize mode to
always trigger an immediate resize of the child frame. This method is
deprecated by GTK and may not work in future versions of that toolkit.
It also may freeze Emacs when used with other desktop environments. It
avoids, however, the unpleasant flicker induced by the hiding approach.
This variable is considered a temporary workaround and will be hopefully
eliminated in future versions of Emacs. */);
x_gtk_resize_child_frames = Qnil;
/* Tell Emacs about this window system. */
Fprovide (Qx, Qnil);
/* Used by Fx_show_tip. */
DEFSYM (Qrun_at_time, "run-at-time");
DEFSYM (Qx_hide_tip, "x-hide-tip");
/* Used by display class and backing store reporting functions. */
DEFSYM (Qalways, "always");
DEFSYM (Qwhen_mapped, "when-mapped");
DEFSYM (Qnot_useful, "not-useful");
DEFSYM (Qstatic_gray, "static-gray");
DEFSYM (Qgray_scale, "gray-scale");
DEFSYM (Qstatic_color, "static-color");
DEFSYM (Qpseudo_color, "pseudo-color");
DEFSYM (Qtrue_color, "true-color");
DEFSYM (Qdirect_color, "direct-color");
DEFSYM (Qgrayscale, "grayscale");
DEFSYM (Qcolor, "color");
#ifdef HAVE_XINPUT2
DEFSYM (Qxinput2, "xinput2");
Fprovide (Qxinput2, Qnil);
#endif
#ifdef USE_X_TOOLKIT
Fprovide (intern_c_string ("x-toolkit"), Qnil);
#ifdef USE_MOTIF
Fprovide (intern_c_string ("motif"), Qnil);
DEFVAR_LISP ("motif-version-string", Vmotif_version_string,
doc: /* Version info for LessTif/Motif. */);
Vmotif_version_string = build_string (XmVERSION_STRING);
#endif /* USE_MOTIF */
#endif /* USE_X_TOOLKIT */
#ifdef USE_GTK
/* Provide x-toolkit also for GTK. Internally GTK does not use Xt so it
is not an X toolkit in that sense (USE_X_TOOLKIT is not defined).
But for a user it is a toolkit for X, and indeed, configure
accepts --with-x-toolkit=gtk. */
Fprovide (intern_c_string ("x-toolkit"), Qnil);
Fprovide (intern_c_string ("gtk"), Qnil);
Fprovide (intern_c_string ("move-toolbar"), Qnil);
DEFVAR_LISP ("gtk-version-string", Vgtk_version_string,
doc: /* Version info for GTK+. */);
{
char gtk_version[sizeof ".." + 3 * INT_STRLEN_BOUND (int)];
int len = sprintf (gtk_version, "%d.%d.%d",
GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION);
Vgtk_version_string = make_pure_string (gtk_version, len, len, false);
}
#endif /* USE_GTK */
#ifdef USE_CAIRO
Fprovide (intern_c_string ("cairo"), Qnil);
DEFVAR_LISP ("cairo-version-string", Vcairo_version_string,
doc: /* Version info for cairo. */);
{
char cairo_version[sizeof ".." + 3 * INT_STRLEN_BOUND (int)];
int len = sprintf (cairo_version, "%d.%d.%d",
CAIRO_VERSION_MAJOR, CAIRO_VERSION_MINOR,
CAIRO_VERSION_MICRO);
Vcairo_version_string = make_pure_string (cairo_version, len, len, false);
}
#endif
/* X window properties. */
defsubr (&Sx_change_window_property);
defsubr (&Sx_delete_window_property);
defsubr (&Sx_window_property);
defsubr (&Sx_window_property_attributes);
defsubr (&Sxw_display_color_p);
defsubr (&Sx_display_grayscale_p);
defsubr (&Sxw_color_defined_p);
defsubr (&Sxw_color_values);
defsubr (&Sx_server_max_request_size);
defsubr (&Sx_server_vendor);
defsubr (&Sx_server_version);
defsubr (&Sx_server_input_extension_version);
defsubr (&Sx_display_pixel_width);
defsubr (&Sx_display_pixel_height);
defsubr (&Sx_display_mm_width);
defsubr (&Sx_display_mm_height);
defsubr (&Sx_display_screens);
defsubr (&Sx_display_planes);
defsubr (&Sx_display_color_cells);
defsubr (&Sx_display_visual_class);
defsubr (&Sx_display_backing_store);
defsubr (&Sx_display_save_under);
defsubr (&Sx_display_monitor_attributes_list);
defsubr (&Sx_frame_geometry);
defsubr (&Sx_frame_edges);
defsubr (&Sx_frame_list_z_order);
defsubr (&Sx_frame_restack);
defsubr (&Sx_mouse_absolute_pixel_position);
defsubr (&Sx_set_mouse_absolute_pixel_position);
defsubr (&Sx_wm_set_size_hint);
defsubr (&Sx_create_frame);
defsubr (&Sx_open_connection);
defsubr (&Sx_close_connection);
defsubr (&Sx_display_list);
defsubr (&Sx_synchronize);
defsubr (&Sx_backspace_delete_keys_p);
defsubr (&Sx_show_tip);
defsubr (&Sx_hide_tip);
defsubr (&Sx_double_buffered_p);
defsubr (&Sx_begin_drag);
defsubr (&Sx_display_set_last_user_time);
defsubr (&Sx_translate_coordinates);
defsubr (&Sx_get_modifier_masks);
tip_timer = Qnil;
staticpro (&tip_timer);
tip_frame = Qnil;
staticpro (&tip_frame);
tip_last_frame = Qnil;
staticpro (&tip_last_frame);
tip_last_string = Qnil;
staticpro (&tip_last_string);
tip_last_parms = Qnil;
staticpro (&tip_last_parms);
tip_dx = Qnil;
staticpro (&tip_dx);
tip_dy = Qnil;
staticpro (&tip_dy);
defsubr (&Sx_uses_old_gtk_dialog);
#if defined (USE_MOTIF) || defined (USE_GTK)
defsubr (&Sx_file_dialog);
#endif
#if defined (USE_GTK) && defined (HAVE_FREETYPE)
defsubr (&Sx_select_font);
#endif
defsubr (&Sx_internal_focus_input_context);
#ifdef USE_CAIRO
defsubr (&Sx_export_frames);
#ifdef USE_GTK
defsubr (&Sx_page_setup_dialog);
defsubr (&Sx_get_page_setup);
defsubr (&Sx_print_frames_dialog);
#endif
#endif
#ifdef USE_GTK
#ifdef HAVE_GTK3
#if GTK_CHECK_VERSION (3, 14, 0)
defsubr (&Sx_gtk_debug);
#endif
#endif
#endif
}
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