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| | /* Generic frame functions.
Copyright (C) 1993-1995, 1997, 1999-2016 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 <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdio.h>
#include <errno.h>
#include <limits.h>
#include <c-ctype.h>
#include "lisp.h"
#ifdef HAVE_WINDOW_SYSTEM
#include TERM_HEADER
#endif /* HAVE_WINDOW_SYSTEM */
#include "buffer.h"
/* These help us bind and responding to switch-frame events. */
#include "keyboard.h"
#include "frame.h"
#include "blockinput.h"
#include "termchar.h"
#include "termhooks.h"
#include "dispextern.h"
#include "window.h"
#ifdef HAVE_WINDOW_SYSTEM
#include "fontset.h"
#endif
#include "cm.h"
#ifdef MSDOS
#include "msdos.h"
#include "dosfns.h"
#endif
#ifdef USE_X_TOOLKIT
#include "widget.h"
#endif
/* The currently selected frame. */
Lisp_Object selected_frame;
/* A frame which is not just a mini-buffer, or NULL if there are no such
frames. This is usually the most recent such frame that was selected. */
static struct frame *last_nonminibuf_frame;
/* False means there are no visible garbaged frames. */
bool frame_garbaged;
/* The default tool bar height for future frames. */
#if defined USE_GTK || defined HAVE_NS
enum { frame_default_tool_bar_height = 0 };
#else
int frame_default_tool_bar_height;
#endif
#ifdef HAVE_WINDOW_SYSTEM
static void x_report_frame_params (struct frame *, Lisp_Object *);
#endif
/* These setters are used only in this file, so they can be private. */
static void
fset_buffer_predicate (struct frame *f, Lisp_Object val)
{
f->buffer_predicate = val;
}
static void
fset_minibuffer_window (struct frame *f, Lisp_Object val)
{
f->minibuffer_window = val;
}
struct frame *
decode_live_frame (register Lisp_Object frame)
{
if (NILP (frame))
frame = selected_frame;
CHECK_LIVE_FRAME (frame);
return XFRAME (frame);
}
struct frame *
decode_any_frame (register Lisp_Object frame)
{
if (NILP (frame))
frame = selected_frame;
CHECK_FRAME (frame);
return XFRAME (frame);
}
#ifdef HAVE_WINDOW_SYSTEM
bool
window_system_available (struct frame *f)
{
return f ? FRAME_WINDOW_P (f) || FRAME_MSDOS_P (f) : x_display_list != NULL;
}
#endif /* HAVE_WINDOW_SYSTEM */
struct frame *
decode_window_system_frame (Lisp_Object frame)
{
struct frame *f = decode_live_frame (frame);
if (!window_system_available (f))
error ("Window system frame should be used");
return f;
}
void
check_window_system (struct frame *f)
{
if (!window_system_available (f))
error (f ? "Window system frame should be used"
: "Window system is not in use or not initialized");
}
/* Return the value of frame parameter PROP in frame FRAME. */
Lisp_Object
get_frame_param (register struct frame *frame, Lisp_Object prop)
{
register Lisp_Object tem;
tem = Fassq (prop, frame->param_alist);
if (EQ (tem, Qnil))
return tem;
return Fcdr (tem);
}
void
frame_size_history_add (struct frame *f, Lisp_Object fun_symbol,
int width, int height, Lisp_Object rest)
{
Lisp_Object frame;
XSETFRAME (frame, f);
if (CONSP (frame_size_history)
&& INTEGERP (XCAR (frame_size_history))
&& 0 < XINT (XCAR (frame_size_history)))
frame_size_history =
Fcons (make_number (XINT (XCAR (frame_size_history)) - 1),
Fcons (list4
(frame, fun_symbol,
((width > 0)
? list4 (make_number (FRAME_TEXT_WIDTH (f)),
make_number (FRAME_TEXT_HEIGHT (f)),
make_number (width),
make_number (height))
: Qnil),
rest),
XCDR (frame_size_history)));
}
/* Return 1 if `frame-inhibit-implied-resize' is non-nil or fullscreen
state of frame F would be affected by a vertical (horizontal if
HORIZONTAL is true) resize. PARAMETER is the symbol of the frame
parameter that is changed. */
bool
frame_inhibit_resize (struct frame *f, bool horizontal, Lisp_Object parameter)
{
Lisp_Object fullscreen = get_frame_param (f, Qfullscreen);
bool inhibit
= (f->after_make_frame
? (EQ (frame_inhibit_implied_resize, Qt)
|| (CONSP (frame_inhibit_implied_resize)
&& !NILP (Fmemq (parameter, frame_inhibit_implied_resize)))
|| (horizontal
&& !EQ (fullscreen, Qnil) && !EQ (fullscreen, Qfullheight))
|| (!horizontal
&& !EQ (fullscreen, Qnil) && !EQ (fullscreen, Qfullwidth))
|| FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f))
: ((horizontal && f->inhibit_horizontal_resize)
|| (!horizontal && f->inhibit_vertical_resize)));
if (inhibit && !FRAME_TERMCAP_P (f) && !FRAME_MSDOS_P (f))
frame_size_history_add
(f, Qframe_inhibit_resize, 0, 0,
list5 (horizontal ? Qt : Qnil, parameter,
f->after_make_frame ? Qt : Qnil,
frame_inhibit_implied_resize,
fullscreen));
return inhibit;
}
static void
set_menu_bar_lines (struct frame *f, Lisp_Object value, Lisp_Object oldval)
{
int nlines;
int olines = FRAME_MENU_BAR_LINES (f);
/* 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))
return;
if (TYPE_RANGED_INTEGERP (int, value))
nlines = XINT (value);
else
nlines = 0;
if (nlines != olines)
{
windows_or_buffers_changed = 14;
FRAME_MENU_BAR_LINES (f) = nlines;
FRAME_MENU_BAR_HEIGHT (f) = nlines * FRAME_LINE_HEIGHT (f);
change_frame_size (f, FRAME_COLS (f),
FRAME_LINES (f) + olines - nlines,
0, 1, 0, 0);
}
}
\f
Lisp_Object Vframe_list;
\f
DEFUN ("framep", Fframep, Sframep, 1, 1, 0,
doc: /* Return non-nil if OBJECT is a frame.
Value is:
t for a termcap frame (a character-only terminal),
`x' for an Emacs frame that is really an X window,
`w32' for an Emacs frame that is a window on MS-Windows display,
`ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
`pc' for a direct-write MS-DOS frame.
See also `frame-live-p'. */)
(Lisp_Object object)
{
if (!FRAMEP (object))
return Qnil;
switch (XFRAME (object)->output_method)
{
case output_initial: /* The initial frame is like a termcap frame. */
case output_termcap:
return Qt;
case output_x_window:
return Qx;
case output_w32:
return Qw32;
case output_msdos_raw:
return Qpc;
case output_ns:
return Qns;
default:
emacs_abort ();
}
}
DEFUN ("frame-live-p", Fframe_live_p, Sframe_live_p, 1, 1, 0,
doc: /* Return non-nil if OBJECT is a frame which has not been deleted.
Value is nil if OBJECT is not a live frame. If object is a live
frame, the return value indicates what sort of terminal device it is
displayed on. See the documentation of `framep' for possible
return values. */)
(Lisp_Object object)
{
return ((FRAMEP (object)
&& FRAME_LIVE_P (XFRAME (object)))
? Fframep (object)
: Qnil);
}
DEFUN ("window-system", Fwindow_system, Swindow_system, 0, 1, 0,
doc: /* The name of the window system that FRAME is displaying through.
The value is a symbol:
nil for a termcap frame (a character-only terminal),
`x' for an Emacs frame that is really an X window,
`w32' for an Emacs frame that is a window on MS-Windows display,
`ns' for an Emacs frame on a GNUstep or Macintosh Cocoa display,
`pc' for a direct-write MS-DOS frame.
FRAME defaults to the currently selected frame.
Use of this function as a predicate is deprecated. Instead,
use `display-graphic-p' or any of the other `display-*-p'
predicates which report frame's specific UI-related capabilities. */)
(Lisp_Object frame)
{
Lisp_Object type;
if (NILP (frame))
frame = selected_frame;
type = Fframep (frame);
if (NILP (type))
wrong_type_argument (Qframep, frame);
if (EQ (type, Qt))
return Qnil;
else
return type;
}
/* Placeholder used by temacs -nw before window.el is loaded. */
DEFUN ("frame-windows-min-size", Fframe_windows_min_size,
Sframe_windows_min_size, 4, 4, 0,
doc: /* */
attributes: const)
(Lisp_Object frame, Lisp_Object horizontal,
Lisp_Object ignore, Lisp_Object pixelwise)
{
return make_number (0);
}
static int
frame_windows_min_size (Lisp_Object frame, Lisp_Object horizontal,
Lisp_Object ignore, Lisp_Object pixelwise)
{
return XINT (call4 (Qframe_windows_min_size, frame, horizontal,
ignore, pixelwise));
}
/* Make sure windows sizes of frame F are OK. new_width and new_height
are in pixels. A value of -1 means no change is requested for that
size (but the frame may still have to be resized to accommodate
windows with their minimum sizes). This can either issue a request
to resize the frame externally (via x_set_window_size), to resize the
frame internally (via resize_frame_windows) or do nothing at all.
The argument INHIBIT can assume the following values:
0 means to unconditionally call x_set_window_size even if sizes
apparently do not change. Fx_create_frame uses this to pass the
initial size to the window manager.
1 means to call x_set_window_size if the outer frame size really
changes. Fset_frame_size, Fset_frame_height, ... use this.
2 means to call x_set_window_size provided frame_inhibit_resize
allows it. The menu and tool bar code use this ("3" won't work
here in general because menu and tool bar are often not counted in
the frame's text height).
3 means call x_set_window_size if window minimum sizes must be
preserved or frame_inhibit_resize allows it. x_set_left_fringe,
x_set_scroll_bar_width, x_new_font ... use (or should use) this.
4 means call x_set_window_size only if window minimum sizes must be
preserved. x_set_right_divider_width, x_set_border_width and the
code responsible for wrapping the tool bar use this.
5 means to never call x_set_window_size. change_frame_size uses
this.
Note that even when x_set_window_size is not called, individual
windows may have to be resized (via `window--sanitize-window-sizes')
in order to support minimum size constraints.
PRETEND is as for change_frame_size. PARAMETER, if non-nil, is the
symbol of the parameter changed (like `menu-bar-lines', `font', ...).
This is passed on to frame_inhibit_resize to let the latter decide on
a case-by-case basis whether the frame may be resized externally. */
void
adjust_frame_size (struct frame *f, int new_width, int new_height, int inhibit,
bool pretend, Lisp_Object parameter)
{
int unit_width = FRAME_COLUMN_WIDTH (f);
int unit_height = FRAME_LINE_HEIGHT (f);
int old_pixel_width = FRAME_PIXEL_WIDTH (f);
int old_pixel_height = FRAME_PIXEL_HEIGHT (f);
int old_cols = FRAME_COLS (f);
int old_lines = FRAME_LINES (f);
int new_pixel_width, new_pixel_height;
/* The following two values are calculated from the old frame pixel
sizes and any "new" settings for tool bar, menu bar and internal
borders. We do it this way to detect whether we have to call
x_set_window_size as consequence of the new settings. */
int windows_width = FRAME_WINDOWS_WIDTH (f);
int windows_height = FRAME_WINDOWS_HEIGHT (f);
int min_windows_width, min_windows_height;
/* These are a bit tedious, maybe we should use a macro. */
struct window *r = XWINDOW (FRAME_ROOT_WINDOW (f));
int old_windows_width = WINDOW_PIXEL_WIDTH (r);
int old_windows_height
= (WINDOW_PIXEL_HEIGHT (r)
+ ((FRAME_HAS_MINIBUF_P (f) && !FRAME_MINIBUF_ONLY_P (f))
? WINDOW_PIXEL_HEIGHT (XWINDOW (FRAME_MINIBUF_WINDOW (f)))
: 0));
int new_windows_width, new_windows_height;
int old_text_width = FRAME_TEXT_WIDTH (f);
int old_text_height = FRAME_TEXT_HEIGHT (f);
/* If a size is < 0 use the old value. */
int new_text_width = (new_width >= 0) ? new_width : old_text_width;
int new_text_height = (new_height >= 0) ? new_height : old_text_height;
int new_cols, new_lines;
bool inhibit_horizontal, inhibit_vertical;
Lisp_Object frame;
XSETFRAME (frame, f);
frame_size_history_add
(f, Qadjust_frame_size_1, new_text_width, new_text_height,
list2 (parameter, make_number (inhibit)));
/* The following two values are calculated from the old window body
sizes and any "new" settings for scroll bars, dividers, fringes and
margins (though the latter should have been processed already). */
min_windows_width
= frame_windows_min_size (frame, Qt, (inhibit == 5) ? Qt : Qnil, Qt);
min_windows_height
= frame_windows_min_size (frame, Qnil, (inhibit == 5) ? Qt : Qnil, Qt);
if (inhibit >= 2 && inhibit <= 4)
/* When INHIBIT is in [2..4] inhibit if the "old" window sizes stay
within the limits and either resizing is inhibited or INHIBIT
equals 4. */
{
inhibit_horizontal = (windows_width >= min_windows_width
&& (inhibit == 4
|| frame_inhibit_resize (f, true, parameter)));
inhibit_vertical = (windows_height >= min_windows_height
&& (inhibit == 4
|| frame_inhibit_resize (f, false, parameter)));
}
else
/* Otherwise inhibit if INHIBIT equals 5. */
inhibit_horizontal = inhibit_vertical = inhibit == 5;
new_pixel_width = ((inhibit_horizontal && (inhibit < 5))
? old_pixel_width
: max (FRAME_TEXT_TO_PIXEL_WIDTH (f, new_text_width),
min_windows_width
+ 2 * FRAME_INTERNAL_BORDER_WIDTH (f)));
new_windows_width = new_pixel_width - 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
new_text_width = FRAME_PIXEL_TO_TEXT_WIDTH (f, new_pixel_width);
new_cols = new_text_width / unit_width;
new_pixel_height = ((inhibit_vertical && (inhibit < 5))
? old_pixel_height
: max (FRAME_TEXT_TO_PIXEL_HEIGHT (f, new_text_height),
min_windows_height
+ FRAME_TOP_MARGIN_HEIGHT (f)
+ 2 * FRAME_INTERNAL_BORDER_WIDTH (f)));
new_windows_height = (new_pixel_height
- FRAME_TOP_MARGIN_HEIGHT (f)
- 2 * FRAME_INTERNAL_BORDER_WIDTH (f));
new_text_height = FRAME_PIXEL_TO_TEXT_HEIGHT (f, new_pixel_height);
new_lines = new_text_height / unit_height;
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (f)
&& f->can_x_set_window_size
&& ((!inhibit_horizontal
&& (new_pixel_width != old_pixel_width
|| inhibit == 0 || inhibit == 2))
|| (!inhibit_vertical
&& (new_pixel_height != old_pixel_height
|| inhibit == 0 || inhibit == 2))))
/* We are either allowed to change the frame size or the minimum
sizes request such a change. Do not care for fixing minimum
sizes here, we do that eventually when we're called from
change_frame_size. */
{
/* Make sure we respect fullheight and fullwidth. */
if (inhibit_horizontal)
new_text_width = old_text_width;
else if (inhibit_vertical)
new_text_height = old_text_height;
frame_size_history_add
(f, Qadjust_frame_size_2, new_text_width, new_text_height,
list2 (inhibit_horizontal ? Qt : Qnil,
inhibit_vertical ? Qt : Qnil));
x_set_window_size (f, 0, new_text_width, new_text_height, 1);
f->resized_p = true;
return;
}
#endif
if (new_text_width == old_text_width
&& new_text_height == old_text_height
&& new_windows_width == old_windows_width
&& new_windows_height == old_windows_height
&& new_pixel_width == old_pixel_width
&& new_pixel_height == old_pixel_height
&& new_cols == old_cols
&& new_lines == old_lines)
/* No change. Sanitize window sizes and return. */
{
sanitize_window_sizes (frame, Qt);
sanitize_window_sizes (frame, Qnil);
return;
}
block_input ();
#ifdef MSDOS
/* We only can set screen dimensions to certain values supported
by our video hardware. Try to find the smallest size greater
or equal to the requested dimensions. */
dos_set_window_size (&new_lines, &new_cols);
#endif
if (new_windows_width != old_windows_width)
{
resize_frame_windows (f, new_windows_width, 1, 1);
/* MSDOS frames cannot PRETEND, as they change frame size by
manipulating video hardware. */
if ((FRAME_TERMCAP_P (f) && !pretend) || FRAME_MSDOS_P (f))
FrameCols (FRAME_TTY (f)) = new_cols;
#if defined (HAVE_WINDOW_SYSTEM) && ! defined (USE_GTK) && ! defined (HAVE_NS)
if (WINDOWP (f->tool_bar_window))
{
XWINDOW (f->tool_bar_window)->pixel_width = new_windows_width;
XWINDOW (f->tool_bar_window)->total_cols
= new_windows_width / unit_width;
}
#endif
}
else if (new_cols != old_cols)
call2 (Qwindow_pixel_to_total, frame, Qt);
if (new_windows_height != old_windows_height
/* When the top margin has changed we have to recalculate the top
edges of all windows. No such calculation is necessary for the
left edges. */
|| WINDOW_TOP_PIXEL_EDGE (r) != FRAME_TOP_MARGIN_HEIGHT (f))
{
resize_frame_windows (f, new_windows_height, 0, 1);
/* MSDOS frames cannot PRETEND, as they change frame size by
manipulating video hardware. */
if ((FRAME_TERMCAP_P (f) && !pretend) || FRAME_MSDOS_P (f))
FrameRows (FRAME_TTY (f)) = new_lines + FRAME_TOP_MARGIN (f);
}
else if (new_lines != old_lines)
call2 (Qwindow_pixel_to_total, frame, Qnil);
frame_size_history_add
(f, Qadjust_frame_size_3, new_text_width, new_text_height,
list4 (make_number (old_pixel_width), make_number (old_pixel_height),
make_number (new_pixel_width), make_number (new_pixel_height)));
/* Assign new sizes. */
FRAME_TEXT_WIDTH (f) = new_text_width;
FRAME_TEXT_HEIGHT (f) = new_text_height;
FRAME_PIXEL_WIDTH (f) = new_pixel_width;
FRAME_PIXEL_HEIGHT (f) = new_pixel_height;
SET_FRAME_COLS (f, new_cols);
SET_FRAME_LINES (f, new_lines);
{
struct window *w = XWINDOW (FRAME_SELECTED_WINDOW (f));
int text_area_x, text_area_y, text_area_width, text_area_height;
window_box (w, TEXT_AREA, &text_area_x, &text_area_y, &text_area_width,
&text_area_height);
if (w->cursor.x >= text_area_x + text_area_width)
w->cursor.hpos = w->cursor.x = 0;
if (w->cursor.y >= text_area_y + text_area_height)
w->cursor.vpos = w->cursor.y = 0;
}
/* Sanitize window sizes. */
sanitize_window_sizes (frame, Qt);
sanitize_window_sizes (frame, Qnil);
adjust_frame_glyphs (f);
calculate_costs (f);
SET_FRAME_GARBAGED (f);
/* A frame was "resized" if one of its pixelsizes changed, even if its
X window wasn't resized at all. */
f->resized_p = (new_pixel_width != old_pixel_width
|| new_pixel_height != old_pixel_height);
unblock_input ();
run_window_configuration_change_hook (f);
}
/* Allocate basically initialized frame. */
static struct frame *
allocate_frame (void)
{
return ALLOCATE_ZEROED_PSEUDOVECTOR (struct frame, face_cache, PVEC_FRAME);
}
struct frame *
make_frame (bool mini_p)
{
Lisp_Object frame;
struct frame *f;
struct window *rw, *mw IF_LINT (= NULL);
Lisp_Object root_window;
Lisp_Object mini_window;
f = allocate_frame ();
XSETFRAME (frame, f);
#ifdef USE_GTK
/* Initialize Lisp data. Note that allocate_frame initializes all
Lisp data to nil, so do it only for slots which should not be nil. */
fset_tool_bar_position (f, Qtop);
#endif
/* Initialize non-Lisp data. Note that allocate_frame zeroes out all
non-Lisp data, so do it only for slots which should not be zero.
To avoid subtle bugs and for the sake of readability, it's better to
initialize enum members explicitly even if their values are zero. */
f->wants_modeline = true;
f->redisplay = true;
f->garbaged = true;
f->can_x_set_window_size = false;
f->after_make_frame = false;
f->inhibit_horizontal_resize = false;
f->inhibit_vertical_resize = false;
f->tool_bar_redisplayed = false;
f->tool_bar_resized = false;
f->column_width = 1; /* !FRAME_WINDOW_P value. */
f->line_height = 1; /* !FRAME_WINDOW_P value. */
#ifdef HAVE_WINDOW_SYSTEM
f->vertical_scroll_bar_type = vertical_scroll_bar_none;
f->horizontal_scroll_bars = false;
f->want_fullscreen = FULLSCREEN_NONE;
#if ! defined (USE_GTK) && ! defined (HAVE_NS)
f->last_tool_bar_item = -1;
#endif
#endif
root_window = make_window ();
rw = XWINDOW (root_window);
if (mini_p)
{
mini_window = make_window ();
mw = XWINDOW (mini_window);
wset_next (rw, mini_window);
wset_prev (mw, root_window);
mw->mini = 1;
wset_frame (mw, frame);
fset_minibuffer_window (f, mini_window);
}
else
{
mini_window = Qnil;
wset_next (rw, Qnil);
fset_minibuffer_window (f, Qnil);
}
wset_frame (rw, frame);
/* 10 is arbitrary,
just so that there is "something there."
Correct size will be set up later with adjust_frame_size. */
SET_FRAME_COLS (f, 10);
SET_FRAME_LINES (f, 10);
SET_FRAME_WIDTH (f, FRAME_COLS (f) * FRAME_COLUMN_WIDTH (f));
SET_FRAME_HEIGHT (f, FRAME_LINES (f) * FRAME_LINE_HEIGHT (f));
rw->total_cols = 10;
rw->pixel_width = rw->total_cols * FRAME_COLUMN_WIDTH (f);
rw->total_lines = mini_p ? 9 : 10;
rw->pixel_height = rw->total_lines * FRAME_LINE_HEIGHT (f);
if (mini_p)
{
mw->top_line = rw->total_lines;
mw->pixel_top = rw->pixel_height;
mw->total_cols = rw->total_cols;
mw->pixel_width = rw->pixel_width;
mw->total_lines = 1;
mw->pixel_height = FRAME_LINE_HEIGHT (f);
}
/* Choose a buffer for the frame's root window. */
{
Lisp_Object buf = Fcurrent_buffer ();
/* If current buffer is hidden, try to find another one. */
if (BUFFER_HIDDEN_P (XBUFFER (buf)))
buf = other_buffer_safely (buf);
/* Use set_window_buffer, not Fset_window_buffer, and don't let
hooks be run by it. The reason is that the whole frame/window
arrangement is not yet fully initialized at this point. Windows
don't have the right size, glyph matrices aren't initialized
etc. Running Lisp functions at this point surely ends in a
SEGV. */
set_window_buffer (root_window, buf, 0, 0);
fset_buffer_list (f, list1 (buf));
}
if (mini_p)
{
set_window_buffer (mini_window,
(NILP (Vminibuffer_list)
? get_minibuffer (0)
: Fcar (Vminibuffer_list)),
0, 0);
/* No horizontal scroll bars in minibuffers. */
wset_horizontal_scroll_bar (mw, Qnil);
}
fset_root_window (f, root_window);
fset_selected_window (f, root_window);
/* Make sure this window seems more recently used than
a newly-created, never-selected window. */
XWINDOW (f->selected_window)->use_time = ++window_select_count;
return f;
}
\f
#ifdef HAVE_WINDOW_SYSTEM
/* Make a frame using a separate minibuffer window on another frame.
MINI_WINDOW is the minibuffer window to use. nil means use the
default (the global minibuffer). */
struct frame *
make_frame_without_minibuffer (Lisp_Object mini_window, KBOARD *kb,
Lisp_Object display)
{
struct frame *f;
if (!NILP (mini_window))
CHECK_LIVE_WINDOW (mini_window);
if (!NILP (mini_window)
&& FRAME_KBOARD (XFRAME (XWINDOW (mini_window)->frame)) != kb)
error ("Frame and minibuffer must be on the same terminal");
/* Make a frame containing just a root window. */
f = make_frame (0);
if (NILP (mini_window))
{
/* Use default-minibuffer-frame if possible. */
if (!FRAMEP (KVAR (kb, Vdefault_minibuffer_frame))
|| ! FRAME_LIVE_P (XFRAME (KVAR (kb, Vdefault_minibuffer_frame))))
{
Lisp_Object frame_dummy;
XSETFRAME (frame_dummy, f);
/* If there's no minibuffer frame to use, create one. */
kset_default_minibuffer_frame
(kb, call1 (intern ("make-initial-minibuffer-frame"), display));
}
mini_window
= XFRAME (KVAR (kb, Vdefault_minibuffer_frame))->minibuffer_window;
}
fset_minibuffer_window (f, mini_window);
/* Make the chosen minibuffer window display the proper minibuffer,
unless it is already showing a minibuffer. */
if (NILP (Fmemq (XWINDOW (mini_window)->contents, Vminibuffer_list)))
/* Use set_window_buffer instead of Fset_window_buffer (see
discussion of bug#11984, bug#12025, bug#12026). */
set_window_buffer (mini_window,
(NILP (Vminibuffer_list)
? get_minibuffer (0)
: Fcar (Vminibuffer_list)), 0, 0);
return f;
}
/* Make a frame containing only a minibuffer window. */
struct frame *
make_minibuffer_frame (void)
{
/* First make a frame containing just a root window, no minibuffer. */
register struct frame *f = make_frame (0);
register Lisp_Object mini_window;
register Lisp_Object frame;
XSETFRAME (frame, f);
f->auto_raise = 0;
f->auto_lower = 0;
f->no_split = 1;
f->wants_modeline = 0;
/* Now label the root window as also being the minibuffer.
Avoid infinite looping on the window chain by marking next pointer
as nil. */
mini_window = f->root_window;
fset_minibuffer_window (f, mini_window);
XWINDOW (mini_window)->mini = 1;
wset_next (XWINDOW (mini_window), Qnil);
wset_prev (XWINDOW (mini_window), Qnil);
wset_frame (XWINDOW (mini_window), frame);
/* Put the proper buffer in that window. */
/* Use set_window_buffer instead of Fset_window_buffer (see
discussion of bug#11984, bug#12025, bug#12026). */
set_window_buffer (mini_window,
(NILP (Vminibuffer_list)
? get_minibuffer (0)
: Fcar (Vminibuffer_list)), 0, 0);
return f;
}
#endif /* HAVE_WINDOW_SYSTEM */
\f
/* Construct a frame that refers to a terminal. */
static printmax_t tty_frame_count;
struct frame *
make_initial_frame (void)
{
struct frame *f;
struct terminal *terminal;
Lisp_Object frame;
eassert (initial_kboard);
/* The first call must initialize Vframe_list. */
if (! (NILP (Vframe_list) || CONSP (Vframe_list)))
Vframe_list = Qnil;
terminal = init_initial_terminal ();
f = make_frame (1);
XSETFRAME (frame, f);
Vframe_list = Fcons (frame, Vframe_list);
tty_frame_count = 1;
fset_name (f, build_pure_c_string ("F1"));
SET_FRAME_VISIBLE (f, 1);
f->output_method = terminal->type;
f->terminal = terminal;
f->terminal->reference_count++;
f->output_data.nothing = 0;
FRAME_FOREGROUND_PIXEL (f) = FACE_TTY_DEFAULT_FG_COLOR;
FRAME_BACKGROUND_PIXEL (f) = FACE_TTY_DEFAULT_BG_COLOR;
#ifdef HAVE_WINDOW_SYSTEM
f->vertical_scroll_bar_type = vertical_scroll_bar_none;
f->horizontal_scroll_bars = false;
#endif
/* The default value of menu-bar-mode is t. */
set_menu_bar_lines (f, make_number (1), Qnil);
/* Allocate glyph matrices. */
adjust_frame_glyphs (f);
if (!noninteractive)
init_frame_faces (f);
last_nonminibuf_frame = f;
f->can_x_set_window_size = true;
f->after_make_frame = true;
return f;
}
static struct frame *
make_terminal_frame (struct terminal *terminal)
{
register struct frame *f;
Lisp_Object frame;
char name[sizeof "F" + INT_STRLEN_BOUND (printmax_t)];
if (!terminal->name)
error ("Terminal is not live, can't create new frames on it");
f = make_frame (1);
XSETFRAME (frame, f);
Vframe_list = Fcons (frame, Vframe_list);
fset_name (f, make_formatted_string (name, "F%"pMd, ++tty_frame_count));
SET_FRAME_VISIBLE (f, 1);
f->terminal = terminal;
f->terminal->reference_count++;
#ifdef MSDOS
f->output_data.tty->display_info = &the_only_display_info;
if (!inhibit_window_system
&& (!FRAMEP (selected_frame) || !FRAME_LIVE_P (XFRAME (selected_frame))
|| XFRAME (selected_frame)->output_method == output_msdos_raw))
f->output_method = output_msdos_raw;
else
f->output_method = output_termcap;
#else /* not MSDOS */
f->output_method = output_termcap;
create_tty_output (f);
FRAME_FOREGROUND_PIXEL (f) = FACE_TTY_DEFAULT_FG_COLOR;
FRAME_BACKGROUND_PIXEL (f) = FACE_TTY_DEFAULT_BG_COLOR;
#endif /* not MSDOS */
#ifdef HAVE_WINDOW_SYSTEM
f->vertical_scroll_bar_type = vertical_scroll_bar_none;
f->horizontal_scroll_bars = false;
#endif
FRAME_MENU_BAR_LINES (f) = NILP (Vmenu_bar_mode) ? 0 : 1;
FRAME_LINES (f) = FRAME_LINES (f) - FRAME_MENU_BAR_LINES (f);
FRAME_MENU_BAR_HEIGHT (f) = FRAME_MENU_BAR_LINES (f) * FRAME_LINE_HEIGHT (f);
FRAME_TEXT_HEIGHT (f) = FRAME_TEXT_HEIGHT (f) - FRAME_MENU_BAR_HEIGHT (f);
/* Set the top frame to the newly created frame. */
if (FRAMEP (FRAME_TTY (f)->top_frame)
&& FRAME_LIVE_P (XFRAME (FRAME_TTY (f)->top_frame)))
SET_FRAME_VISIBLE (XFRAME (FRAME_TTY (f)->top_frame), 2); /* obscured */
FRAME_TTY (f)->top_frame = frame;
if (!noninteractive)
init_frame_faces (f);
return f;
}
/* Get a suitable value for frame parameter PARAMETER for a newly
created frame, based on (1) the user-supplied frame parameter
alist SUPPLIED_PARMS, and (2) CURRENT_VALUE. */
static Lisp_Object
get_future_frame_param (Lisp_Object parameter,
Lisp_Object supplied_parms,
char *current_value)
{
Lisp_Object result;
result = Fassq (parameter, supplied_parms);
if (NILP (result))
result = Fassq (parameter, XFRAME (selected_frame)->param_alist);
if (NILP (result) && current_value != NULL)
result = build_string (current_value);
if (!NILP (result) && !STRINGP (result))
result = XCDR (result);
if (NILP (result) || !STRINGP (result))
result = Qnil;
return result;
}
DEFUN ("make-terminal-frame", Fmake_terminal_frame, Smake_terminal_frame,
1, 1, 0,
doc: /* Create an additional terminal frame, possibly on another terminal.
This function takes one argument, an alist specifying frame parameters.
You can create multiple frames on a single text terminal, but only one
of them (the selected terminal frame) is actually displayed.
In practice, generally you don't need to specify any parameters,
except when you want to create a new frame on another terminal.
In that case, the `tty' parameter specifies the device file to open,
and the `tty-type' parameter specifies the terminal type. Example:
(make-terminal-frame \\='((tty . "/dev/pts/5") (tty-type . "xterm")))
Note that changing the size of one terminal frame automatically
affects all frames on the same terminal device. */)
(Lisp_Object parms)
{
struct frame *f;
struct terminal *t = NULL;
Lisp_Object frame, tem;
struct frame *sf = SELECTED_FRAME ();
#ifdef MSDOS
if (sf->output_method != output_msdos_raw
&& sf->output_method != output_termcap)
emacs_abort ();
#else /* not MSDOS */
#ifdef WINDOWSNT /* This should work now! */
if (sf->output_method != output_termcap)
error ("Not using an ASCII terminal now; cannot make a new ASCII frame");
#endif
#endif /* not MSDOS */
{
Lisp_Object terminal;
terminal = Fassq (Qterminal, parms);
if (CONSP (terminal))
{
terminal = XCDR (terminal);
t = decode_live_terminal (terminal);
}
#ifdef MSDOS
if (t && t != the_only_display_info.terminal)
/* msdos.c assumes a single tty_display_info object. */
error ("Multiple terminals are not supported on this platform");
if (!t)
t = the_only_display_info.terminal;
#endif
}
if (!t)
{
char *name = 0, *type = 0;
Lisp_Object tty, tty_type;
USE_SAFE_ALLOCA;
tty = get_future_frame_param
(Qtty, parms, (FRAME_TERMCAP_P (XFRAME (selected_frame))
? FRAME_TTY (XFRAME (selected_frame))->name
: NULL));
if (!NILP (tty))
SAFE_ALLOCA_STRING (name, tty);
tty_type = get_future_frame_param
(Qtty_type, parms, (FRAME_TERMCAP_P (XFRAME (selected_frame))
? FRAME_TTY (XFRAME (selected_frame))->type
: NULL));
if (!NILP (tty_type))
SAFE_ALLOCA_STRING (type, tty_type);
t = init_tty (name, type, 0); /* Errors are not fatal. */
SAFE_FREE ();
}
f = make_terminal_frame (t);
{
int width, height;
get_tty_size (fileno (FRAME_TTY (f)->input), &width, &height);
adjust_frame_size (f, width, height - FRAME_MENU_BAR_LINES (f),
5, 0, Qterminal_frame);
}
adjust_frame_glyphs (f);
calculate_costs (f);
XSETFRAME (frame, f);
store_in_alist (&parms, Qtty_type, build_string (t->display_info.tty->type));
store_in_alist (&parms, Qtty,
(t->display_info.tty->name
? build_string (t->display_info.tty->name)
: Qnil));
Fmodify_frame_parameters (frame, parms);
/* Make the frame face alist be frame-specific, so that each
frame could change its face definitions independently. */
fset_face_alist (f, Fcopy_alist (sf->face_alist));
/* Simple Fcopy_alist isn't enough, because we need the contents of
the vectors which are the CDRs of associations in face_alist to
be copied as well. */
for (tem = f->face_alist; CONSP (tem); tem = XCDR (tem))
XSETCDR (XCAR (tem), Fcopy_sequence (XCDR (XCAR (tem))));
f->can_x_set_window_size = true;
f->after_make_frame = true;
return frame;
}
\f
/* Perform the switch to frame FRAME.
If FRAME is a switch-frame event `(switch-frame FRAME1)', use
FRAME1 as frame.
If TRACK is non-zero and the frame that currently has the focus
redirects its focus to the selected frame, redirect that focused
frame's focus to FRAME instead.
FOR_DELETION non-zero means that the selected frame is being
deleted, which includes the possibility that the frame's terminal
is dead.
The value of NORECORD is passed as argument to Fselect_window. */
Lisp_Object
do_switch_frame (Lisp_Object frame, int track, int for_deletion, Lisp_Object norecord)
{
struct frame *sf = SELECTED_FRAME ();
/* If FRAME is a switch-frame event, extract the frame we should
switch to. */
if (CONSP (frame)
&& EQ (XCAR (frame), Qswitch_frame)
&& CONSP (XCDR (frame)))
frame = XCAR (XCDR (frame));
/* This used to say CHECK_LIVE_FRAME, but apparently it's possible for
a switch-frame event to arrive after a frame is no longer live,
especially when deleting the initial frame during startup. */
CHECK_FRAME (frame);
if (! FRAME_LIVE_P (XFRAME (frame)))
return Qnil;
if (sf == XFRAME (frame))
return frame;
/* If a frame's focus has been redirected toward the currently
selected frame, we should change the redirection to point to the
newly selected frame. This means that if the focus is redirected
from a minibufferless frame to a surrogate minibuffer frame, we
can use `other-window' to switch between all the frames using
that minibuffer frame, and the focus redirection will follow us
around. */
#if 0
/* This is too greedy; it causes inappropriate focus redirection
that's hard to get rid of. */
if (track)
{
Lisp_Object tail;
for (tail = Vframe_list; CONSP (tail); tail = XCDR (tail))
{
Lisp_Object focus;
if (!FRAMEP (XCAR (tail)))
emacs_abort ();
focus = FRAME_FOCUS_FRAME (XFRAME (XCAR (tail)));
if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
Fredirect_frame_focus (XCAR (tail), frame);
}
}
#else /* ! 0 */
/* Instead, apply it only to the frame we're pointing to. */
#ifdef HAVE_WINDOW_SYSTEM
if (track && FRAME_WINDOW_P (XFRAME (frame)))
{
Lisp_Object focus, xfocus;
xfocus = x_get_focus_frame (XFRAME (frame));
if (FRAMEP (xfocus))
{
focus = FRAME_FOCUS_FRAME (XFRAME (xfocus));
if (FRAMEP (focus) && XFRAME (focus) == SELECTED_FRAME ())
Fredirect_frame_focus (xfocus, frame);
}
}
#endif /* HAVE_X_WINDOWS */
#endif /* ! 0 */
if (!for_deletion && FRAME_HAS_MINIBUF_P (sf))
resize_mini_window (XWINDOW (FRAME_MINIBUF_WINDOW (sf)), 1);
if (FRAME_TERMCAP_P (XFRAME (frame)) || FRAME_MSDOS_P (XFRAME (frame)))
{
struct frame *f = XFRAME (frame);
struct tty_display_info *tty = FRAME_TTY (f);
Lisp_Object top_frame = tty->top_frame;
/* Don't mark the frame garbaged and/or obscured if we are
switching to the frame that is already the top frame of that
TTY. */
if (!EQ (frame, top_frame))
{
if (FRAMEP (top_frame))
/* Mark previously displayed frame as now obscured. */
SET_FRAME_VISIBLE (XFRAME (top_frame), 2);
SET_FRAME_VISIBLE (f, 1);
/* If the new TTY frame changed dimensions, we need to
resync term.c's idea of the frame size with the new
frame's data. */
if (FRAME_COLS (f) != FrameCols (tty))
FrameCols (tty) = FRAME_COLS (f);
if (FRAME_TOTAL_LINES (f) != FrameRows (tty))
FrameRows (tty) = FRAME_TOTAL_LINES (f);
}
tty->top_frame = frame;
}
selected_frame = frame;
if (! FRAME_MINIBUF_ONLY_P (XFRAME (selected_frame)))
last_nonminibuf_frame = XFRAME (selected_frame);
Fselect_window (XFRAME (frame)->selected_window, norecord);
/* We want to make sure that the next event generates a frame-switch
event to the appropriate frame. This seems kludgy to me, but
before you take it out, make sure that evaluating something like
(select-window (frame-root-window (new-frame))) doesn't end up
with your typing being interpreted in the new frame instead of
the one you're actually typing in. */
internal_last_event_frame = Qnil;
return frame;
}
DEFUN ("select-frame", Fselect_frame, Sselect_frame, 1, 2, "e",
doc: /* Select FRAME.
Subsequent editing commands apply to its selected window.
Optional argument NORECORD means to neither change the order of
recently selected windows nor the buffer list.
The selection of FRAME lasts until the next time the user does
something to select a different frame, or until the next time
this function is called. If you are using a window system, the
previously selected frame may be restored as the selected frame
when returning to the command loop, because it still may have
the window system's input focus. On a text terminal, the next
redisplay will display FRAME.
This function returns FRAME, or nil if FRAME has been deleted. */)
(Lisp_Object frame, Lisp_Object norecord)
{
return do_switch_frame (frame, 1, 0, norecord);
}
DEFUN ("handle-switch-frame", Fhandle_switch_frame, Shandle_switch_frame, 1, 1, "^e",
doc: /* Handle a switch-frame event EVENT.
Switch-frame events are usually bound to this function.
A switch-frame event tells Emacs that the window manager has requested
that the user's events be directed to the frame mentioned in the event.
This function selects the selected window of the frame of EVENT.
If EVENT is frame object, handle it as if it were a switch-frame event
to that frame. */)
(Lisp_Object event)
{
/* Preserve prefix arg that the command loop just cleared. */
kset_prefix_arg (current_kboard, Vcurrent_prefix_arg);
run_hook (Qmouse_leave_buffer_hook);
/* `switch-frame' implies a focus in. */
call1 (intern ("handle-focus-in"), event);
return do_switch_frame (event, 0, 0, Qnil);
}
DEFUN ("selected-frame", Fselected_frame, Sselected_frame, 0, 0, 0,
doc: /* Return the frame that is now selected. */)
(void)
{
return selected_frame;
}
\f
DEFUN ("frame-list", Fframe_list, Sframe_list,
0, 0, 0,
doc: /* Return a list of all live frames. */)
(void)
{
Lisp_Object frames;
frames = Fcopy_sequence (Vframe_list);
#ifdef HAVE_WINDOW_SYSTEM
if (FRAMEP (tip_frame))
frames = Fdelq (tip_frame, frames);
#endif
return frames;
}
/* Return CANDIDATE if it can be used as 'other-than-FRAME' frame on the
same tty (for tty frames) or among frames which uses FRAME's keyboard.
If MINIBUF is nil, do not consider minibuffer-only candidate.
If MINIBUF is `visible', do not consider an invisible candidate.
If MINIBUF is a window, consider only its own frame and candidate now
using that window as the minibuffer.
If MINIBUF is 0, consider candidate if it is visible or iconified.
Otherwise consider any candidate and return nil if CANDIDATE is not
acceptable. */
static Lisp_Object
candidate_frame (Lisp_Object candidate, Lisp_Object frame, Lisp_Object minibuf)
{
struct frame *c = XFRAME (candidate), *f = XFRAME (frame);
if ((!FRAME_TERMCAP_P (c) && !FRAME_TERMCAP_P (f)
&& FRAME_KBOARD (c) == FRAME_KBOARD (f))
|| (FRAME_TERMCAP_P (c) && FRAME_TERMCAP_P (f)
&& FRAME_TTY (c) == FRAME_TTY (f)))
{
if (NILP (minibuf))
{
if (!FRAME_MINIBUF_ONLY_P (c))
return candidate;
}
else if (EQ (minibuf, Qvisible))
{
if (FRAME_VISIBLE_P (c))
return candidate;
}
else if (WINDOWP (minibuf))
{
if (EQ (FRAME_MINIBUF_WINDOW (c), minibuf)
|| EQ (WINDOW_FRAME (XWINDOW (minibuf)), candidate)
|| EQ (WINDOW_FRAME (XWINDOW (minibuf)),
FRAME_FOCUS_FRAME (c)))
return candidate;
}
else if (XFASTINT (minibuf) == 0)
{
if (FRAME_VISIBLE_P (c) || FRAME_ICONIFIED_P (c))
return candidate;
}
else
return candidate;
}
return Qnil;
}
/* Return the next frame in the frame list after FRAME. */
static Lisp_Object
next_frame (Lisp_Object frame, Lisp_Object minibuf)
{
Lisp_Object f, tail;
int passed = 0;
/* There must always be at least one frame in Vframe_list. */
eassert (CONSP (Vframe_list));
while (passed < 2)
FOR_EACH_FRAME (tail, f)
{
if (passed)
{
f = candidate_frame (f, frame, minibuf);
if (!NILP (f))
return f;
}
if (EQ (frame, f))
passed++;
}
return frame;
}
/* Return the previous frame in the frame list before FRAME. */
static Lisp_Object
prev_frame (Lisp_Object frame, Lisp_Object minibuf)
{
Lisp_Object f, tail, prev = Qnil;
/* There must always be at least one frame in Vframe_list. */
eassert (CONSP (Vframe_list));
FOR_EACH_FRAME (tail, f)
{
if (EQ (frame, f) && !NILP (prev))
return prev;
f = candidate_frame (f, frame, minibuf);
if (!NILP (f))
prev = f;
}
/* We've scanned the entire list. */
if (NILP (prev))
/* We went through the whole frame list without finding a single
acceptable frame. Return the original frame. */
return frame;
else
/* There were no acceptable frames in the list before FRAME; otherwise,
we would have returned directly from the loop. Since PREV is the last
acceptable frame in the list, return it. */
return prev;
}
DEFUN ("next-frame", Fnext_frame, Snext_frame, 0, 2, 0,
doc: /* Return the next frame in the frame list after FRAME.
It considers only frames on the same terminal as FRAME.
By default, skip minibuffer-only frames.
If omitted, FRAME defaults to the selected frame.
If optional argument MINIFRAME is nil, exclude minibuffer-only frames.
If MINIFRAME is a window, include only its own frame
and any frame now using that window as the minibuffer.
If MINIFRAME is `visible', include all visible frames.
If MINIFRAME is 0, include all visible and iconified frames.
Otherwise, include all frames. */)
(Lisp_Object frame, Lisp_Object miniframe)
{
if (NILP (frame))
frame = selected_frame;
CHECK_LIVE_FRAME (frame);
return next_frame (frame, miniframe);
}
DEFUN ("previous-frame", Fprevious_frame, Sprevious_frame, 0, 2, 0,
doc: /* Return the previous frame in the frame list before FRAME.
It considers only frames on the same terminal as FRAME.
By default, skip minibuffer-only frames.
If omitted, FRAME defaults to the selected frame.
If optional argument MINIFRAME is nil, exclude minibuffer-only frames.
If MINIFRAME is a window, include only its own frame
and any frame now using that window as the minibuffer.
If MINIFRAME is `visible', include all visible frames.
If MINIFRAME is 0, include all visible and iconified frames.
Otherwise, include all frames. */)
(Lisp_Object frame, Lisp_Object miniframe)
{
if (NILP (frame))
frame = selected_frame;
CHECK_LIVE_FRAME (frame);
return prev_frame (frame, miniframe);
}
DEFUN ("last-nonminibuffer-frame", Flast_nonminibuf_frame,
Slast_nonminibuf_frame, 0, 0, 0,
doc: /* Return last non-minibuffer frame selected. */)
(void)
{
Lisp_Object frame = Qnil;
if (last_nonminibuf_frame)
XSETFRAME (frame, last_nonminibuf_frame);
return frame;
}
\f
/* Return 1 if it is ok to delete frame F;
0 if all frames aside from F are invisible.
(Exception: if F is the terminal frame, and we are using X, return 1.) */
static int
other_visible_frames (struct frame *f)
{
Lisp_Object frames, this;
FOR_EACH_FRAME (frames, this)
{
if (f == XFRAME (this))
continue;
/* Verify that we can still talk to the frame's X window,
and note any recent change in visibility. */
#ifdef HAVE_X_WINDOWS
if (FRAME_WINDOW_P (XFRAME (this)))
x_sync (XFRAME (this));
#endif
if (FRAME_VISIBLE_P (XFRAME (this))
|| FRAME_ICONIFIED_P (XFRAME (this))
/* Allow deleting the terminal frame when at least one X
frame exists. */
|| (FRAME_WINDOW_P (XFRAME (this)) && !FRAME_WINDOW_P (f)))
return 1;
}
return 0;
}
/* Make sure that minibuf_window doesn't refer to FRAME's minibuffer
window. Preferably use the selected frame's minibuffer window
instead. If the selected frame doesn't have one, get some other
frame's minibuffer window. SELECT non-zero means select the new
minibuffer window. */
static void
check_minibuf_window (Lisp_Object frame, int select)
{
struct frame *f = decode_live_frame (frame);
XSETFRAME (frame, f);
if (WINDOWP (minibuf_window) && EQ (f->minibuffer_window, minibuf_window))
{
Lisp_Object frames, this, window = make_number (0);
if (!EQ (frame, selected_frame)
&& FRAME_HAS_MINIBUF_P (XFRAME (selected_frame)))
window = FRAME_MINIBUF_WINDOW (XFRAME (selected_frame));
else
FOR_EACH_FRAME (frames, this)
{
if (!EQ (this, frame) && FRAME_HAS_MINIBUF_P (XFRAME (this)))
{
window = FRAME_MINIBUF_WINDOW (XFRAME (this));
break;
}
}
/* Don't abort if no window was found (Bug#15247). */
if (WINDOWP (window))
{
/* Use set_window_buffer instead of Fset_window_buffer (see
discussion of bug#11984, bug#12025, bug#12026). */
set_window_buffer (window, XWINDOW (minibuf_window)->contents, 0, 0);
minibuf_window = window;
/* SELECT non-zero usually means that FRAME's minibuffer
window was selected; select the new one. */
if (select)
Fselect_window (minibuf_window, Qnil);
}
}
}
/* Delete FRAME. When FORCE equals Qnoelisp, delete FRAME
unconditionally. x_connection_closed and delete_terminal use
this. Any other value of FORCE implements the semantics
described for Fdelete_frame. */
Lisp_Object
delete_frame (Lisp_Object frame, Lisp_Object force)
{
struct frame *f = decode_any_frame (frame);
struct frame *sf;
struct kboard *kb;
int minibuffer_selected, is_tooltip_frame;
if (! FRAME_LIVE_P (f))
return Qnil;
if (NILP (force) && !other_visible_frames (f))
error ("Attempt to delete the sole visible or iconified frame");
/* x_connection_closed must have set FORCE to `noelisp' in order
to delete the last frame, if it is gone. */
if (NILP (XCDR (Vframe_list)) && !EQ (force, Qnoelisp))
error ("Attempt to delete the only frame");
XSETFRAME (frame, f);
/* Does this frame have a minibuffer, and is it the surrogate
minibuffer for any other frame? */
if (FRAME_HAS_MINIBUF_P (f))
{
Lisp_Object frames, this;
FOR_EACH_FRAME (frames, this)
{
Lisp_Object fminiw;
if (EQ (this, frame))
continue;
fminiw = FRAME_MINIBUF_WINDOW (XFRAME (this));
if (WINDOWP (fminiw) && EQ (frame, WINDOW_FRAME (XWINDOW (fminiw))))
{
/* If we MUST delete this frame, delete the other first.
But do this only if FORCE equals `noelisp'. */
if (EQ (force, Qnoelisp))
delete_frame (this, Qnoelisp);
else
error ("Attempt to delete a surrogate minibuffer frame");
}
}
}
is_tooltip_frame = !NILP (Fframe_parameter (frame, Qtooltip));
/* Run `delete-frame-functions' unless FORCE is `noelisp' or
frame is a tooltip. FORCE is set to `noelisp' when handling
a disconnect from the terminal, so we don't dare call Lisp
code. */
if (NILP (Vrun_hooks) || is_tooltip_frame)
;
else if (EQ (force, Qnoelisp))
pending_funcalls
= Fcons (list3 (Qrun_hook_with_args, Qdelete_frame_functions, frame),
pending_funcalls);
else
{
#ifdef HAVE_X_WINDOWS
/* Also, save clipboard to the clipboard manager. */
x_clipboard_manager_save_frame (frame);
#endif
safe_call2 (Qrun_hook_with_args, Qdelete_frame_functions, frame);
}
/* The hook may sometimes (indirectly) cause the frame to be deleted. */
if (! FRAME_LIVE_P (f))
return Qnil;
/* At this point, we are committed to deleting the frame.
There is no more chance for errors to prevent it. */
minibuffer_selected = EQ (minibuf_window, selected_window);
sf = SELECTED_FRAME ();
/* Don't let the frame remain selected. */
if (f == sf)
{
Lisp_Object tail;
Lisp_Object frame1 = Qnil;
/* Look for another visible frame on the same terminal.
Do not call next_frame here because it may loop forever.
See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15025. */
FOR_EACH_FRAME (tail, frame1)
if (!EQ (frame, frame1)
&& (FRAME_TERMINAL (XFRAME (frame))
== FRAME_TERMINAL (XFRAME (frame1)))
&& FRAME_VISIBLE_P (XFRAME (frame1)))
break;
/* If there is none, find *some* other frame. */
if (NILP (frame1) || EQ (frame1, frame))
{
FOR_EACH_FRAME (tail, frame1)
{
if (! EQ (frame, frame1) && FRAME_LIVE_P (XFRAME (frame1)))
{
/* Do not change a text terminal's top-frame. */
struct frame *f1 = XFRAME (frame1);
if (FRAME_TERMCAP_P (f1) || FRAME_MSDOS_P (f1))
{
Lisp_Object top_frame = FRAME_TTY (f1)->top_frame;
if (!EQ (top_frame, frame))
frame1 = top_frame;
}
break;
}
}
}
#ifdef NS_IMPL_COCOA
else
/* Under NS, there is no system mechanism for choosing a new
window to get focus -- it is left to application code.
So the portion of THIS application interfacing with NS
needs to know about it. We call Fraise_frame, but the
purpose is really to transfer focus. */
Fraise_frame (frame1);
#endif
do_switch_frame (frame1, 0, 1, Qnil);
sf = SELECTED_FRAME ();
}
/* Don't allow minibuf_window to remain on a deleted frame. */
check_minibuf_window (frame, minibuffer_selected);
/* Don't let echo_area_window to remain on a deleted frame. */
if (EQ (f->minibuffer_window, echo_area_window))
echo_area_window = sf->minibuffer_window;
/* Clear any X selections for this frame. */
#ifdef HAVE_X_WINDOWS
if (FRAME_X_P (f))
x_clear_frame_selections (f);
#endif
/* Free glyphs.
This function must be called before the window tree of the
frame is deleted because windows contain dynamically allocated
memory. */
free_glyphs (f);
#ifdef HAVE_WINDOW_SYSTEM
/* Give chance to each font driver to free a frame specific data. */
font_update_drivers (f, Qnil);
#endif
/* Mark all the windows that used to be on FRAME as deleted, and then
remove the reference to them. */
delete_all_child_windows (f->root_window);
fset_root_window (f, Qnil);
Vframe_list = Fdelq (frame, Vframe_list);
SET_FRAME_VISIBLE (f, 0);
/* Allow the vector of menu bar contents to be freed in the next
garbage collection. The frame object itself may not be garbage
collected until much later, because recent_keys and other data
structures can still refer to it. */
fset_menu_bar_vector (f, Qnil);
/* If FRAME's buffer lists contains killed
buffers, this helps GC to reclaim them. */
fset_buffer_list (f, Qnil);
fset_buried_buffer_list (f, Qnil);
free_font_driver_list (f);
#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI)
xfree (f->namebuf);
#endif
xfree (f->decode_mode_spec_buffer);
xfree (FRAME_INSERT_COST (f));
xfree (FRAME_DELETEN_COST (f));
xfree (FRAME_INSERTN_COST (f));
xfree (FRAME_DELETE_COST (f));
/* Since some events are handled at the interrupt level, we may get
an event for f at any time; if we zero out the frame's terminal
now, then we may trip up the event-handling code. Instead, we'll
promise that the terminal of the frame must be valid until we
have called the window-system-dependent frame destruction
routine. */
{
struct terminal *terminal;
block_input ();
if (FRAME_TERMINAL (f)->delete_frame_hook)
(*FRAME_TERMINAL (f)->delete_frame_hook) (f);
terminal = FRAME_TERMINAL (f);
f->output_data.nothing = 0;
f->terminal = 0; /* Now the frame is dead. */
unblock_input ();
/* If needed, delete the terminal that this frame was on.
(This must be done after the frame is killed.) */
terminal->reference_count--;
#ifdef USE_GTK
/* FIXME: Deleting the terminal crashes emacs because of a GTK
bug.
http://lists.gnu.org/archive/html/emacs-devel/2011-10/msg00363.html */
if (terminal->reference_count == 0 && terminal->type == output_x_window)
terminal->reference_count = 1;
#endif /* USE_GTK */
if (terminal->reference_count == 0)
{
Lisp_Object tmp;
XSETTERMINAL (tmp, terminal);
kb = NULL;
Fdelete_terminal (tmp, NILP (force) ? Qt : force);
}
else
kb = terminal->kboard;
}
/* If we've deleted the last_nonminibuf_frame, then try to find
another one. */
if (f == last_nonminibuf_frame)
{
Lisp_Object frames, this;
last_nonminibuf_frame = 0;
FOR_EACH_FRAME (frames, this)
{
f = XFRAME (this);
if (!FRAME_MINIBUF_ONLY_P (f))
{
last_nonminibuf_frame = f;
break;
}
}
}
/* If there's no other frame on the same kboard, get out of
single-kboard state if we're in it for this kboard. */
if (kb != NULL)
{
Lisp_Object frames, this;
/* Some frame we found on the same kboard, or nil if there are none. */
Lisp_Object frame_on_same_kboard = Qnil;
FOR_EACH_FRAME (frames, this)
if (kb == FRAME_KBOARD (XFRAME (this)))
frame_on_same_kboard = this;
if (NILP (frame_on_same_kboard))
not_single_kboard_state (kb);
}
/* If we've deleted this keyboard's default_minibuffer_frame, try to
find another one. Prefer minibuffer-only frames, but also notice
frames with other windows. */
if (kb != NULL && EQ (frame, KVAR (kb, Vdefault_minibuffer_frame)))
{
Lisp_Object frames, this;
/* The last frame we saw with a minibuffer, minibuffer-only or not. */
Lisp_Object frame_with_minibuf = Qnil;
/* Some frame we found on the same kboard, or nil if there are none. */
Lisp_Object frame_on_same_kboard = Qnil;
FOR_EACH_FRAME (frames, this)
{
struct frame *f1 = XFRAME (this);
/* Consider only frames on the same kboard
and only those with minibuffers. */
if (kb == FRAME_KBOARD (f1)
&& FRAME_HAS_MINIBUF_P (f1))
{
frame_with_minibuf = this;
if (FRAME_MINIBUF_ONLY_P (f1))
break;
}
if (kb == FRAME_KBOARD (f1))
frame_on_same_kboard = this;
}
if (!NILP (frame_on_same_kboard))
{
/* We know that there must be some frame with a minibuffer out
there. If this were not true, all of the frames present
would have to be minibufferless, which implies that at some
point their minibuffer frames must have been deleted, but
that is prohibited at the top; you can't delete surrogate
minibuffer frames. */
if (NILP (frame_with_minibuf))
emacs_abort ();
kset_default_minibuffer_frame (kb, frame_with_minibuf);
}
else
/* No frames left on this kboard--say no minibuffer either. */
kset_default_minibuffer_frame (kb, Qnil);
}
/* Cause frame titles to update--necessary if we now have just one frame. */
if (!is_tooltip_frame)
update_mode_lines = 15;
return Qnil;
}
DEFUN ("delete-frame", Fdelete_frame, Sdelete_frame, 0, 2, "",
doc: /* Delete FRAME, permanently eliminating it from use.
FRAME defaults to the selected frame.
A frame may not be deleted if its minibuffer serves as surrogate
minibuffer for another frame. Normally, you may not delete a frame if
all other frames are invisible, but if the second optional argument
FORCE is non-nil, you may do so.
This function runs `delete-frame-functions' before actually
deleting the frame, unless the frame is a tooltip.
The functions are run with one argument, the frame to be deleted. */)
(Lisp_Object frame, Lisp_Object force)
{
return delete_frame (frame, !NILP (force) ? Qt : Qnil);
}
\f
/* Return mouse position in character cell units. */
DEFUN ("mouse-position", Fmouse_position, Smouse_position, 0, 0, 0,
doc: /* Return a list (FRAME X . Y) giving the current mouse frame and position.
The position is given in canonical character cells, where (0, 0) is the
upper-left corner of the frame, X is the horizontal offset, and Y is the
vertical offset, measured in units of the frame's default character size.
If Emacs is running on a mouseless terminal or hasn't been programmed
to read the mouse position, it returns the selected frame for FRAME
and nil for X and Y.
If `mouse-position-function' is non-nil, `mouse-position' calls it,
passing the normal return value to that function as an argument,
and returns whatever that function returns. */)
(void)
{
struct frame *f;
Lisp_Object lispy_dummy;
Lisp_Object x, y, retval;
f = SELECTED_FRAME ();
x = y = Qnil;
/* It's okay for the hook to refrain from storing anything. */
if (FRAME_TERMINAL (f)->mouse_position_hook)
{
enum scroll_bar_part party_dummy;
Time time_dummy;
(*FRAME_TERMINAL (f)->mouse_position_hook) (&f, -1,
&lispy_dummy, &party_dummy,
&x, &y,
&time_dummy);
}
if (! NILP (x))
{
int col = XINT (x);
int row = XINT (y);
pixel_to_glyph_coords (f, col, row, &col, &row, NULL, 1);
XSETINT (x, col);
XSETINT (y, row);
}
XSETFRAME (lispy_dummy, f);
retval = Fcons (lispy_dummy, Fcons (x, y));
if (!NILP (Vmouse_position_function))
retval = call1 (Vmouse_position_function, retval);
return retval;
}
DEFUN ("mouse-pixel-position", Fmouse_pixel_position,
Smouse_pixel_position, 0, 0, 0,
doc: /* Return a list (FRAME X . Y) giving the current mouse frame and position.
The position is given in pixel units, where (0, 0) is the
upper-left corner of the frame, X is the horizontal offset, and Y is
the vertical offset.
If Emacs is running on a mouseless terminal or hasn't been programmed
to read the mouse position, it returns the selected frame for FRAME
and nil for X and Y. */)
(void)
{
struct frame *f;
Lisp_Object lispy_dummy;
Lisp_Object x, y, retval;
f = SELECTED_FRAME ();
x = y = Qnil;
/* It's okay for the hook to refrain from storing anything. */
if (FRAME_TERMINAL (f)->mouse_position_hook)
{
enum scroll_bar_part party_dummy;
Time time_dummy;
(*FRAME_TERMINAL (f)->mouse_position_hook) (&f, -1,
&lispy_dummy, &party_dummy,
&x, &y,
&time_dummy);
}
XSETFRAME (lispy_dummy, f);
retval = Fcons (lispy_dummy, Fcons (x, y));
if (!NILP (Vmouse_position_function))
retval = call1 (Vmouse_position_function, retval);
return retval;
}
#ifdef HAVE_WINDOW_SYSTEM
/* On frame F, convert character coordinates X and Y to pixel
coordinates *PIX_X and *PIX_Y. */
static void
frame_char_to_pixel_position (struct frame *f, int x, int y,
int *pix_x, int *pix_y)
{
*pix_x = FRAME_COL_TO_PIXEL_X (f, x) + FRAME_COLUMN_WIDTH (f) / 2;
*pix_y = FRAME_LINE_TO_PIXEL_Y (f, y) + FRAME_LINE_HEIGHT (f) / 2;
if (*pix_x < 0)
*pix_x = 0;
if (*pix_x > FRAME_PIXEL_WIDTH (f))
*pix_x = FRAME_PIXEL_WIDTH (f);
if (*pix_y < 0)
*pix_y = 0;
if (*pix_y > FRAME_PIXEL_HEIGHT (f))
*pix_y = FRAME_PIXEL_HEIGHT (f);
}
/* On frame F, reposition mouse pointer to character coordinates X and Y. */
static void
frame_set_mouse_position (struct frame *f, int x, int y)
{
int pix_x, pix_y;
frame_char_to_pixel_position (f, x, y, &pix_x, &pix_y);
frame_set_mouse_pixel_position (f, pix_x, pix_y);
}
#endif /* HAVE_WINDOW_SYSTEM */
DEFUN ("set-mouse-position", Fset_mouse_position, Sset_mouse_position, 3, 3, 0,
doc: /* Move the mouse pointer to the center of character cell (X,Y) in FRAME.
Coordinates are relative to the frame, not a window,
so the coordinates of the top left character in the frame
may be nonzero due to left-hand scroll bars or the menu bar.
The position is given in canonical character cells, where (0, 0) is
the upper-left corner of the frame, X is the horizontal offset, and
Y is the vertical offset, measured in units of the frame's default
character size.
This function is a no-op for an X frame that is not visible.
If you have just created a frame, you must wait for it to become visible
before calling this function on it, like this.
(while (not (frame-visible-p frame)) (sleep-for .5)) */)
(Lisp_Object frame, Lisp_Object x, Lisp_Object y)
{
CHECK_LIVE_FRAME (frame);
CHECK_TYPE_RANGED_INTEGER (int, x);
CHECK_TYPE_RANGED_INTEGER (int, y);
/* I think this should be done with a hook. */
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (XFRAME (frame)))
/* Warping the mouse will cause enternotify and focus events. */
frame_set_mouse_position (XFRAME (frame), XINT (x), XINT (y));
#else
#if defined (MSDOS)
if (FRAME_MSDOS_P (XFRAME (frame)))
{
Fselect_frame (frame, Qnil);
mouse_moveto (XINT (x), XINT (y));
}
#else
#ifdef HAVE_GPM
{
Fselect_frame (frame, Qnil);
term_mouse_moveto (XINT (x), XINT (y));
}
#endif
#endif
#endif
return Qnil;
}
DEFUN ("set-mouse-pixel-position", Fset_mouse_pixel_position,
Sset_mouse_pixel_position, 3, 3, 0,
doc: /* Move the mouse pointer to pixel position (X,Y) in FRAME.
The position is given in pixels, where (0, 0) is the upper-left corner
of the frame, X is the horizontal offset, and Y is the vertical offset.
Note, this is a no-op for an X frame that is not visible.
If you have just created a frame, you must wait for it to become visible
before calling this function on it, like this.
(while (not (frame-visible-p frame)) (sleep-for .5)) */)
(Lisp_Object frame, Lisp_Object x, Lisp_Object y)
{
CHECK_LIVE_FRAME (frame);
CHECK_TYPE_RANGED_INTEGER (int, x);
CHECK_TYPE_RANGED_INTEGER (int, y);
/* I think this should be done with a hook. */
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (XFRAME (frame)))
/* Warping the mouse will cause enternotify and focus events. */
frame_set_mouse_pixel_position (XFRAME (frame), XINT (x), XINT (y));
#else
#if defined (MSDOS)
if (FRAME_MSDOS_P (XFRAME (frame)))
{
Fselect_frame (frame, Qnil);
mouse_moveto (XINT (x), XINT (y));
}
#else
#ifdef HAVE_GPM
{
Fselect_frame (frame, Qnil);
term_mouse_moveto (XINT (x), XINT (y));
}
#endif
#endif
#endif
return Qnil;
}
\f
static void make_frame_visible_1 (Lisp_Object);
DEFUN ("make-frame-visible", Fmake_frame_visible, Smake_frame_visible,
0, 1, "",
doc: /* Make the frame FRAME visible (assuming it is an X window).
If omitted, FRAME defaults to the currently selected frame. */)
(Lisp_Object frame)
{
struct frame *f = decode_live_frame (frame);
/* I think this should be done with a hook. */
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (f))
x_make_frame_visible (f);
#endif
make_frame_visible_1 (f->root_window);
/* Make menu bar update for the Buffers and Frames menus. */
/* windows_or_buffers_changed = 15; FIXME: Why? */
XSETFRAME (frame, f);
return frame;
}
/* Update the display_time slot of the buffers shown in WINDOW
and all its descendants. */
static void
make_frame_visible_1 (Lisp_Object window)
{
struct window *w;
for (; !NILP (window); window = w->next)
{
w = XWINDOW (window);
if (WINDOWP (w->contents))
make_frame_visible_1 (w->contents);
else
bset_display_time (XBUFFER (w->contents), Fcurrent_time ());
}
}
DEFUN ("make-frame-invisible", Fmake_frame_invisible, Smake_frame_invisible,
0, 2, "",
doc: /* Make the frame FRAME invisible.
If omitted, FRAME defaults to the currently selected frame.
On graphical displays, invisible frames are not updated and are
usually not displayed at all, even in a window system's \"taskbar\".
Normally you may not make FRAME invisible if all other frames are invisible,
but if the second optional argument FORCE is non-nil, you may do so.
This function has no effect on text terminal frames. Such frames are
always considered visible, whether or not they are currently being
displayed in the terminal. */)
(Lisp_Object frame, Lisp_Object force)
{
struct frame *f = decode_live_frame (frame);
if (NILP (force) && !other_visible_frames (f))
error ("Attempt to make invisible the sole visible or iconified frame");
/* Don't allow minibuf_window to remain on an invisible frame. */
check_minibuf_window (frame, EQ (minibuf_window, selected_window));
/* I think this should be done with a hook. */
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (f))
x_make_frame_invisible (f);
#endif
/* Make menu bar update for the Buffers and Frames menus. */
windows_or_buffers_changed = 16;
return Qnil;
}
DEFUN ("iconify-frame", Ficonify_frame, Siconify_frame,
0, 1, "",
doc: /* Make the frame FRAME into an icon.
If omitted, FRAME defaults to the currently selected frame. */)
(Lisp_Object frame)
{
struct frame *f = decode_live_frame (frame);
/* Don't allow minibuf_window to remain on an iconified frame. */
check_minibuf_window (frame, EQ (minibuf_window, selected_window));
/* I think this should be done with a hook. */
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (f))
x_iconify_frame (f);
#endif
/* Make menu bar update for the Buffers and Frames menus. */
windows_or_buffers_changed = 17;
return Qnil;
}
DEFUN ("frame-visible-p", Fframe_visible_p, Sframe_visible_p,
1, 1, 0,
doc: /* Return t if FRAME is \"visible\" (actually in use for display).
Return the symbol `icon' if FRAME is iconified or \"minimized\".
Return nil if FRAME was made invisible, via `make-frame-invisible'.
On graphical displays, invisible frames are not updated and are
usually not displayed at all, even in a window system's \"taskbar\".
If FRAME is a text terminal frame, this always returns t.
Such frames are always considered visible, whether or not they are
currently being displayed on the terminal. */)
(Lisp_Object frame)
{
CHECK_LIVE_FRAME (frame);
if (FRAME_VISIBLE_P (XFRAME (frame)))
return Qt;
if (FRAME_ICONIFIED_P (XFRAME (frame)))
return Qicon;
return Qnil;
}
DEFUN ("visible-frame-list", Fvisible_frame_list, Svisible_frame_list,
0, 0, 0,
doc: /* Return a list of all frames now \"visible\" (being updated). */)
(void)
{
Lisp_Object tail, frame, value = Qnil;
FOR_EACH_FRAME (tail, frame)
if (FRAME_VISIBLE_P (XFRAME (frame)))
value = Fcons (frame, value);
return value;
}
DEFUN ("raise-frame", Fraise_frame, Sraise_frame, 0, 1, "",
doc: /* Bring FRAME to the front, so it occludes any frames it overlaps.
If FRAME is invisible or iconified, make it visible.
If you don't specify a frame, the selected frame is used.
If Emacs is displaying on an ordinary terminal or some other device which
doesn't support multiple overlapping frames, this function selects FRAME. */)
(Lisp_Object frame)
{
struct frame *f = decode_live_frame (frame);
XSETFRAME (frame, f);
if (FRAME_TERMCAP_P (f))
/* On a text terminal select FRAME. */
Fselect_frame (frame, Qnil);
else
/* Do like the documentation says. */
Fmake_frame_visible (frame);
if (FRAME_TERMINAL (f)->frame_raise_lower_hook)
(*FRAME_TERMINAL (f)->frame_raise_lower_hook) (f, 1);
return Qnil;
}
/* Should we have a corresponding function called Flower_Power? */
DEFUN ("lower-frame", Flower_frame, Slower_frame, 0, 1, "",
doc: /* Send FRAME to the back, so it is occluded by any frames that overlap it.
If you don't specify a frame, the selected frame is used.
If Emacs is displaying on an ordinary terminal or some other device which
doesn't support multiple overlapping frames, this function does nothing. */)
(Lisp_Object frame)
{
struct frame *f = decode_live_frame (frame);
if (FRAME_TERMINAL (f)->frame_raise_lower_hook)
(*FRAME_TERMINAL (f)->frame_raise_lower_hook) (f, 0);
return Qnil;
}
\f
DEFUN ("redirect-frame-focus", Fredirect_frame_focus, Sredirect_frame_focus,
1, 2, 0,
doc: /* Arrange for keystrokes typed at FRAME to be sent to FOCUS-FRAME.
In other words, switch-frame events caused by events in FRAME will
request a switch to FOCUS-FRAME, and `last-event-frame' will be
FOCUS-FRAME after reading an event typed at FRAME.
If FOCUS-FRAME is nil, any existing redirection is canceled, and the
frame again receives its own keystrokes.
Focus redirection is useful for temporarily redirecting keystrokes to
a surrogate minibuffer frame when a frame doesn't have its own
minibuffer window.
A frame's focus redirection can be changed by `select-frame'. If frame
FOO is selected, and then a different frame BAR is selected, any
frames redirecting their focus to FOO are shifted to redirect their
focus to BAR. This allows focus redirection to work properly when the
user switches from one frame to another using `select-window'.
This means that a frame whose focus is redirected to itself is treated
differently from a frame whose focus is redirected to nil; the former
is affected by `select-frame', while the latter is not.
The redirection lasts until `redirect-frame-focus' is called to change it. */)
(Lisp_Object frame, Lisp_Object focus_frame)
{
/* Note that we don't check for a live frame here. It's reasonable
to redirect the focus of a frame you're about to delete, if you
know what other frame should receive those keystrokes. */
struct frame *f = decode_any_frame (frame);
if (! NILP (focus_frame))
CHECK_LIVE_FRAME (focus_frame);
fset_focus_frame (f, focus_frame);
if (FRAME_TERMINAL (f)->frame_rehighlight_hook)
(*FRAME_TERMINAL (f)->frame_rehighlight_hook) (f);
return Qnil;
}
DEFUN ("frame-focus", Fframe_focus, Sframe_focus, 0, 1, 0,
doc: /* Return the frame to which FRAME's keystrokes are currently being sent.
If FRAME is omitted or nil, the selected frame is used.
Return nil if FRAME's focus is not redirected.
See `redirect-frame-focus'. */)
(Lisp_Object frame)
{
return FRAME_FOCUS_FRAME (decode_live_frame (frame));
}
DEFUN ("x-focus-frame", Fx_focus_frame, Sx_focus_frame, 1, 1, 0,
doc: /* Set the input focus to FRAME.
FRAME nil means use the selected frame.
If there is no window system support, this function does nothing. */)
(Lisp_Object frame)
{
#ifdef HAVE_WINDOW_SYSTEM
x_focus_frame (decode_window_system_frame (frame));
#endif
return Qnil;
}
DEFUN ("frame-after-make-frame",
Fframe_after_make_frame,
Sframe_after_make_frame, 2, 2, 0,
doc: /* Mark FRAME as made.
FRAME nil means use the selected frame. Second argument MADE non-nil
means functions on `window-configuration-change-hook' are called
whenever the window configuration of FRAME changes. MADE nil means
these functions are not called.
This function is currently called by `make-frame' only and should be
otherwise used with utter care to avoid that running functions on
`window-configuration-change-hook' is impeded forever. */)
(Lisp_Object frame, Lisp_Object made)
{
struct frame *f = decode_live_frame (frame);
f->after_make_frame = !NILP (made);
f->inhibit_horizontal_resize = false;
f->inhibit_vertical_resize = false;
return made;
}
\f
/* Discard BUFFER from the buffer-list and buried-buffer-list of each frame. */
void
frames_discard_buffer (Lisp_Object buffer)
{
Lisp_Object frame, tail;
FOR_EACH_FRAME (tail, frame)
{
fset_buffer_list
(XFRAME (frame), Fdelq (buffer, XFRAME (frame)->buffer_list));
fset_buried_buffer_list
(XFRAME (frame), Fdelq (buffer, XFRAME (frame)->buried_buffer_list));
}
}
/* Modify the alist in *ALISTPTR to associate PROP with VAL.
If the alist already has an element for PROP, we change it. */
void
store_in_alist (Lisp_Object *alistptr, Lisp_Object prop, Lisp_Object val)
{
register Lisp_Object tem;
tem = Fassq (prop, *alistptr);
if (EQ (tem, Qnil))
*alistptr = Fcons (Fcons (prop, val), *alistptr);
else
Fsetcdr (tem, val);
}
static int
frame_name_fnn_p (char *str, ptrdiff_t len)
{
if (len > 1 && str[0] == 'F' && '0' <= str[1] && str[1] <= '9')
{
char *p = str + 2;
while ('0' <= *p && *p <= '9')
p++;
if (p == str + len)
return 1;
}
return 0;
}
/* Set the name of the terminal frame. Also used by MSDOS frames.
Modeled after x_set_name which is used for WINDOW frames. */
static void
set_term_frame_name (struct frame *f, Lisp_Object name)
{
f->explicit_name = ! NILP (name);
/* If NAME is nil, set the name to F<num>. */
if (NILP (name))
{
char namebuf[sizeof "F" + INT_STRLEN_BOUND (printmax_t)];
/* Check for no change needed in this very common case
before we do any consing. */
if (frame_name_fnn_p (SSDATA (f->name), SBYTES (f->name)))
return;
name = make_formatted_string (namebuf, "F%"pMd, ++tty_frame_count);
}
else
{
CHECK_STRING (name);
/* Don't change the name if it's already NAME. */
if (! NILP (Fstring_equal (name, f->name)))
return;
/* Don't allow the user to set the frame name to F<num>, so it
doesn't clash with the names we generate for terminal frames. */
if (frame_name_fnn_p (SSDATA (name), SBYTES (name)))
error ("Frame names of the form F<num> are usurped by Emacs");
}
fset_name (f, name);
update_mode_lines = 16;
}
void
store_frame_param (struct frame *f, Lisp_Object prop, Lisp_Object val)
{
register Lisp_Object old_alist_elt;
/* The buffer-list parameters are stored in a special place and not
in the alist. All buffers must be live. */
if (EQ (prop, Qbuffer_list))
{
Lisp_Object list = Qnil;
for (; CONSP (val); val = XCDR (val))
if (!NILP (Fbuffer_live_p (XCAR (val))))
list = Fcons (XCAR (val), list);
fset_buffer_list (f, Fnreverse (list));
return;
}
if (EQ (prop, Qburied_buffer_list))
{
Lisp_Object list = Qnil;
for (; CONSP (val); val = XCDR (val))
if (!NILP (Fbuffer_live_p (XCAR (val))))
list = Fcons (XCAR (val), list);
fset_buried_buffer_list (f, Fnreverse (list));
return;
}
/* If PROP is a symbol which is supposed to have frame-local values,
and it is set up based on this frame, switch to the global
binding. That way, we can create or alter the frame-local binding
without messing up the symbol's status. */
if (SYMBOLP (prop))
{
struct Lisp_Symbol *sym = XSYMBOL (prop);
start:
switch (sym->redirect)
{
case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start;
case SYMBOL_PLAINVAL: case SYMBOL_FORWARDED: break;
case SYMBOL_LOCALIZED:
{ struct Lisp_Buffer_Local_Value *blv = sym->val.blv;
if (blv->frame_local && blv_found (blv) && XFRAME (blv->where) == f)
swap_in_global_binding (sym);
break;
}
default: emacs_abort ();
}
}
/* The tty color needed to be set before the frame's parameter
alist was updated with the new value. This is not true any more,
but we still do this test early on. */
if (FRAME_TERMCAP_P (f) && EQ (prop, Qtty_color_mode)
&& f == FRAME_TTY (f)->previous_frame)
/* Force redisplay of this tty. */
FRAME_TTY (f)->previous_frame = NULL;
/* Update the frame parameter alist. */
old_alist_elt = Fassq (prop, f->param_alist);
if (EQ (old_alist_elt, Qnil))
fset_param_alist (f, Fcons (Fcons (prop, val), f->param_alist));
else
Fsetcdr (old_alist_elt, val);
/* Update some other special parameters in their special places
in addition to the alist. */
if (EQ (prop, Qbuffer_predicate))
fset_buffer_predicate (f, val);
if (! FRAME_WINDOW_P (f))
{
if (EQ (prop, Qmenu_bar_lines))
set_menu_bar_lines (f, val, make_number (FRAME_MENU_BAR_LINES (f)));
else if (EQ (prop, Qname))
set_term_frame_name (f, val);
}
if (EQ (prop, Qminibuffer) && WINDOWP (val))
{
if (! MINI_WINDOW_P (XWINDOW (val)))
error ("Surrogate minibuffer windows must be minibuffer windows");
if ((FRAME_HAS_MINIBUF_P (f) || FRAME_MINIBUF_ONLY_P (f))
&& !EQ (val, f->minibuffer_window))
error ("Can't change the surrogate minibuffer of a frame with its own minibuffer");
/* Install the chosen minibuffer window, with proper buffer. */
fset_minibuffer_window (f, val);
}
}
/* Return color matches UNSPEC on frame F or nil if UNSPEC
is not an unspecified foreground or background color. */
static Lisp_Object
frame_unspecified_color (struct frame *f, Lisp_Object unspec)
{
return (!strncmp (SSDATA (unspec), unspecified_bg, SBYTES (unspec))
? tty_color_name (f, FRAME_BACKGROUND_PIXEL (f))
: (!strncmp (SSDATA (unspec), unspecified_fg, SBYTES (unspec))
? tty_color_name (f, FRAME_FOREGROUND_PIXEL (f)) : Qnil));
}
DEFUN ("frame-parameters", Fframe_parameters, Sframe_parameters, 0, 1, 0,
doc: /* Return the parameters-alist of frame FRAME.
It is a list of elements of the form (PARM . VALUE), where PARM is a symbol.
The meaningful PARMs depend on the kind of frame.
If FRAME is omitted or nil, return information on the currently selected frame. */)
(Lisp_Object frame)
{
Lisp_Object alist;
struct frame *f = decode_any_frame (frame);
int height, width;
if (!FRAME_LIVE_P (f))
return Qnil;
alist = Fcopy_alist (f->param_alist);
if (!FRAME_WINDOW_P (f))
{
Lisp_Object elt;
/* If the frame's parameter alist says the colors are
unspecified and reversed, take the frame's background pixel
for foreground and vice versa. */
elt = Fassq (Qforeground_color, alist);
if (CONSP (elt) && STRINGP (XCDR (elt)))
{
elt = frame_unspecified_color (f, XCDR (elt));
if (!NILP (elt))
store_in_alist (&alist, Qforeground_color, elt);
}
else
store_in_alist (&alist, Qforeground_color,
tty_color_name (f, FRAME_FOREGROUND_PIXEL (f)));
elt = Fassq (Qbackground_color, alist);
if (CONSP (elt) && STRINGP (XCDR (elt)))
{
elt = frame_unspecified_color (f, XCDR (elt));
if (!NILP (elt))
store_in_alist (&alist, Qbackground_color, elt);
}
else
store_in_alist (&alist, Qbackground_color,
tty_color_name (f, FRAME_BACKGROUND_PIXEL (f)));
store_in_alist (&alist, Qfont,
build_string (FRAME_MSDOS_P (f)
? "ms-dos"
: FRAME_W32_P (f) ? "w32term"
:"tty"));
}
store_in_alist (&alist, Qname, f->name);
height = (f->new_height
? (f->new_pixelwise
? (f->new_height / FRAME_LINE_HEIGHT (f))
: f->new_height)
: FRAME_LINES (f));
store_in_alist (&alist, Qheight, make_number (height));
width = (f->new_width
? (f->new_pixelwise
? (f->new_width / FRAME_COLUMN_WIDTH (f))
: f->new_width)
: FRAME_COLS (f));
store_in_alist (&alist, Qwidth, make_number (width));
store_in_alist (&alist, Qmodeline, (FRAME_WANTS_MODELINE_P (f) ? Qt : Qnil));
store_in_alist (&alist, Qminibuffer,
(! FRAME_HAS_MINIBUF_P (f) ? Qnil
: FRAME_MINIBUF_ONLY_P (f) ? Qonly
: FRAME_MINIBUF_WINDOW (f)));
store_in_alist (&alist, Qunsplittable, (FRAME_NO_SPLIT_P (f) ? Qt : Qnil));
store_in_alist (&alist, Qbuffer_list, f->buffer_list);
store_in_alist (&alist, Qburied_buffer_list, f->buried_buffer_list);
/* I think this should be done with a hook. */
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (f))
x_report_frame_params (f, &alist);
else
#endif
{
/* This ought to be correct in f->param_alist for an X frame. */
Lisp_Object lines;
XSETFASTINT (lines, FRAME_MENU_BAR_LINES (f));
store_in_alist (&alist, Qmenu_bar_lines, lines);
}
return alist;
}
DEFUN ("frame-parameter", Fframe_parameter, Sframe_parameter, 2, 2, 0,
doc: /* Return FRAME's value for parameter PARAMETER.
If FRAME is nil, describe the currently selected frame. */)
(Lisp_Object frame, Lisp_Object parameter)
{
struct frame *f = decode_any_frame (frame);
Lisp_Object value = Qnil;
CHECK_SYMBOL (parameter);
XSETFRAME (frame, f);
if (FRAME_LIVE_P (f))
{
/* Avoid consing in frequent cases. */
if (EQ (parameter, Qname))
value = f->name;
#ifdef HAVE_X_WINDOWS
else if (EQ (parameter, Qdisplay) && FRAME_X_P (f))
value = XCAR (FRAME_DISPLAY_INFO (f)->name_list_element);
#endif /* HAVE_X_WINDOWS */
else if (EQ (parameter, Qbackground_color)
|| EQ (parameter, Qforeground_color))
{
value = Fassq (parameter, f->param_alist);
if (CONSP (value))
{
value = XCDR (value);
/* Fframe_parameters puts the actual fg/bg color names,
even if f->param_alist says otherwise. This is
important when param_alist's notion of colors is
"unspecified". We need to do the same here. */
if (STRINGP (value) && !FRAME_WINDOW_P (f))
{
Lisp_Object tem = frame_unspecified_color (f, value);
if (!NILP (tem))
value = tem;
}
}
else
value = Fcdr (Fassq (parameter, Fframe_parameters (frame)));
}
else if (EQ (parameter, Qdisplay_type)
|| EQ (parameter, Qbackground_mode))
value = Fcdr (Fassq (parameter, f->param_alist));
else
/* FIXME: Avoid this code path at all (as well as code duplication)
by sharing more code with Fframe_parameters. */
value = Fcdr (Fassq (parameter, Fframe_parameters (frame)));
}
return value;
}
DEFUN ("modify-frame-parameters", Fmodify_frame_parameters,
Smodify_frame_parameters, 2, 2, 0,
doc: /* Modify FRAME according to new values of its parameters in ALIST.
If FRAME is nil, it defaults to the selected frame.
ALIST is an alist of parameters to change and their new values.
Each element of ALIST has the form (PARM . VALUE), where PARM is a symbol.
Which PARMs are meaningful depends on the kind of frame.
The meaningful parameters are acted upon, i.e. the frame is changed
according to their new values, and are also stored in the frame's
parameter list so that `frame-parameters' will return them.
PARMs that are not meaningful are still stored in the frame's parameter
list, but are otherwise ignored.
The value of frame parameter FOO can also be accessed
as a frame-local binding for the variable FOO, if you have
enabled such bindings for that variable with `make-variable-frame-local'.
Note that this functionality is obsolete as of Emacs 22.2, and its
use is not recommended. Explicitly check for a frame-parameter instead. */)
(Lisp_Object frame, Lisp_Object alist)
{
struct frame *f = decode_live_frame (frame);
register Lisp_Object prop, val;
CHECK_LIST (alist);
/* I think this should be done with a hook. */
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (f))
x_set_frame_parameters (f, alist);
else
#endif
#ifdef MSDOS
if (FRAME_MSDOS_P (f))
IT_set_frame_parameters (f, alist);
else
#endif
{
EMACS_INT length = XFASTINT (Flength (alist));
ptrdiff_t i;
Lisp_Object *parms;
Lisp_Object *values;
USE_SAFE_ALLOCA;
SAFE_ALLOCA_LISP (parms, 2 * length);
values = parms + length;
/* Extract parm names and values into those vectors. */
for (i = 0; CONSP (alist); alist = XCDR (alist))
{
Lisp_Object elt;
elt = XCAR (alist);
parms[i] = Fcar (elt);
values[i] = Fcdr (elt);
i++;
}
/* Now process them in reverse of specified order. */
while (--i >= 0)
{
prop = parms[i];
val = values[i];
store_frame_param (f, prop, val);
if (EQ (prop, Qforeground_color)
|| EQ (prop, Qbackground_color))
update_face_from_frame_parameter (f, prop, val);
}
SAFE_FREE ();
}
return Qnil;
}
\f
DEFUN ("frame-char-height", Fframe_char_height, Sframe_char_height,
0, 1, 0,
doc: /* Height in pixels of a line in the font in frame FRAME.
If FRAME is omitted or nil, the selected frame is used.
For a terminal frame, the value is always 1. */)
(Lisp_Object frame)
{
#ifdef HAVE_WINDOW_SYSTEM
struct frame *f = decode_any_frame (frame);
if (FRAME_WINDOW_P (f))
return make_number (FRAME_LINE_HEIGHT (f));
else
#endif
return make_number (1);
}
DEFUN ("frame-char-width", Fframe_char_width, Sframe_char_width,
0, 1, 0,
doc: /* Width in pixels of characters in the font in frame FRAME.
If FRAME is omitted or nil, the selected frame is used.
On a graphical screen, the width is the standard width of the default font.
For a terminal screen, the value is always 1. */)
(Lisp_Object frame)
{
#ifdef HAVE_WINDOW_SYSTEM
struct frame *f = decode_any_frame (frame);
if (FRAME_WINDOW_P (f))
return make_number (FRAME_COLUMN_WIDTH (f));
else
#endif
return make_number (1);
}
DEFUN ("frame-pixel-height", Fframe_pixel_height,
Sframe_pixel_height, 0, 1, 0,
doc: /* Return a FRAME's height in pixels.
If FRAME is omitted or nil, the selected frame is used. The exact value
of the result depends on the window-system and toolkit in use:
In the Gtk+ version of Emacs, it includes only any window (including
the minibuffer or echo area), mode line, and header line. It does not
include the tool bar or menu bar.
With other graphical versions, it also includes the tool bar and the
menu bar.
For a text terminal, it includes the menu bar. In this case, the
result is really in characters rather than pixels (i.e., is identical
to `frame-height'). */)
(Lisp_Object frame)
{
struct frame *f = decode_any_frame (frame);
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (f))
return make_number (FRAME_PIXEL_HEIGHT (f));
else
#endif
return make_number (FRAME_TOTAL_LINES (f));
}
DEFUN ("frame-pixel-width", Fframe_pixel_width,
Sframe_pixel_width, 0, 1, 0,
doc: /* Return FRAME's width in pixels.
For a terminal frame, the result really gives the width in characters.
If FRAME is omitted or nil, the selected frame is used. */)
(Lisp_Object frame)
{
struct frame *f = decode_any_frame (frame);
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (f))
return make_number (FRAME_PIXEL_WIDTH (f));
else
#endif
return make_number (FRAME_TOTAL_COLS (f));
}
DEFUN ("tool-bar-pixel-width", Ftool_bar_pixel_width,
Stool_bar_pixel_width, 0, 1, 0,
doc: /* Return width in pixels of FRAME's tool bar.
The result is greater than zero only when the tool bar is on the left
or right side of FRAME. If FRAME is omitted or nil, the selected frame
is used. */)
(Lisp_Object frame)
{
#ifdef FRAME_TOOLBAR_WIDTH
struct frame *f = decode_any_frame (frame);
if (FRAME_WINDOW_P (f))
return make_number (FRAME_TOOLBAR_WIDTH (f));
#endif
return make_number (0);
}
DEFUN ("frame-text-cols", Fframe_text_cols, Sframe_text_cols, 0, 1, 0,
doc: /* Return width in columns of FRAME's text area. */)
(Lisp_Object frame)
{
return make_number (FRAME_COLS (decode_any_frame (frame)));
}
DEFUN ("frame-text-lines", Fframe_text_lines, Sframe_text_lines, 0, 1, 0,
doc: /* Return height in lines of FRAME's text area. */)
(Lisp_Object frame)
{
return make_number (FRAME_LINES (decode_any_frame (frame)));
}
DEFUN ("frame-total-cols", Fframe_total_cols, Sframe_total_cols, 0, 1, 0,
doc: /* Return number of total columns of FRAME. */)
(Lisp_Object frame)
{
return make_number (FRAME_TOTAL_COLS (decode_any_frame (frame)));
}
DEFUN ("frame-total-lines", Fframe_total_lines, Sframe_total_lines, 0, 1, 0,
doc: /* Return number of total lines of FRAME. */)
(Lisp_Object frame)
{
return make_number (FRAME_TOTAL_LINES (decode_any_frame (frame)));
}
DEFUN ("frame-text-width", Fframe_text_width, Sframe_text_width, 0, 1, 0,
doc: /* Return text area width of FRAME in pixels. */)
(Lisp_Object frame)
{
return make_number (FRAME_TEXT_WIDTH (decode_any_frame (frame)));
}
DEFUN ("frame-text-height", Fframe_text_height, Sframe_text_height, 0, 1, 0,
doc: /* Return text area height of FRAME in pixels. */)
(Lisp_Object frame)
{
return make_number (FRAME_TEXT_HEIGHT (decode_any_frame (frame)));
}
DEFUN ("frame-scroll-bar-width", Fscroll_bar_width, Sscroll_bar_width, 0, 1, 0,
doc: /* Return scroll bar width of FRAME in pixels. */)
(Lisp_Object frame)
{
return make_number (FRAME_SCROLL_BAR_AREA_WIDTH (decode_any_frame (frame)));
}
DEFUN ("frame-scroll-bar-height", Fscroll_bar_height, Sscroll_bar_height, 0, 1, 0,
doc: /* Return scroll bar height of FRAME in pixels. */)
(Lisp_Object frame)
{
return make_number (FRAME_SCROLL_BAR_AREA_HEIGHT (decode_any_frame (frame)));
}
DEFUN ("frame-fringe-width", Ffringe_width, Sfringe_width, 0, 1, 0,
doc: /* Return fringe width of FRAME in pixels. */)
(Lisp_Object frame)
{
return make_number (FRAME_TOTAL_FRINGE_WIDTH (decode_any_frame (frame)));
}
DEFUN ("frame-border-width", Fborder_width, Sborder_width, 0, 1, 0,
doc: /* Return border width of FRAME in pixels. */)
(Lisp_Object frame)
{
return make_number (FRAME_INTERNAL_BORDER_WIDTH (decode_any_frame (frame)));
}
DEFUN ("frame-right-divider-width", Fright_divider_width, Sright_divider_width, 0, 1, 0,
doc: /* Return width (in pixels) of vertical window dividers on FRAME. */)
(Lisp_Object frame)
{
return make_number (FRAME_RIGHT_DIVIDER_WIDTH (decode_any_frame (frame)));
}
DEFUN ("frame-bottom-divider-width", Fbottom_divider_width, Sbottom_divider_width, 0, 1, 0,
doc: /* Return width (in pixels) of horizontal window dividers on FRAME. */)
(Lisp_Object frame)
{
return make_number (FRAME_BOTTOM_DIVIDER_WIDTH (decode_any_frame (frame)));
}
DEFUN ("set-frame-height", Fset_frame_height, Sset_frame_height, 2, 4, 0,
doc: /* Set text height of frame FRAME to HEIGHT lines.
Optional third arg PRETEND non-nil means that redisplay should use
HEIGHT lines but that the idea of the actual height of the frame should
not be changed.
Optional fourth argument PIXELWISE non-nil means that FRAME should be
HEIGHT pixels high. Note: When `frame-resize-pixelwise' is nil, some
window managers may refuse to honor a HEIGHT that is not an integer
multiple of the default frame font height. */)
(Lisp_Object frame, Lisp_Object height, Lisp_Object pretend, Lisp_Object pixelwise)
{
struct frame *f = decode_live_frame (frame);
int pixel_height;
CHECK_TYPE_RANGED_INTEGER (int, height);
pixel_height = (!NILP (pixelwise)
? XINT (height)
: XINT (height) * FRAME_LINE_HEIGHT (f));
adjust_frame_size (f, -1, pixel_height, 1, !NILP (pretend), Qheight);
return Qnil;
}
DEFUN ("set-frame-width", Fset_frame_width, Sset_frame_width, 2, 4, 0,
doc: /* Set text width of frame FRAME to WIDTH columns.
Optional third arg PRETEND non-nil means that redisplay should use WIDTH
columns but that the idea of the actual width of the frame should not
be changed.
Optional fourth argument PIXELWISE non-nil means that FRAME should be
WIDTH pixels wide. Note: When `frame-resize-pixelwise' is nil, some
window managers may refuse to honor a WIDTH that is not an integer
multiple of the default frame font width. */)
(Lisp_Object frame, Lisp_Object width, Lisp_Object pretend, Lisp_Object pixelwise)
{
struct frame *f = decode_live_frame (frame);
int pixel_width;
CHECK_TYPE_RANGED_INTEGER (int, width);
pixel_width = (!NILP (pixelwise)
? XINT (width)
: XINT (width) * FRAME_COLUMN_WIDTH (f));
adjust_frame_size (f, pixel_width, -1, 1, !NILP (pretend), Qwidth);
return Qnil;
}
DEFUN ("set-frame-size", Fset_frame_size, Sset_frame_size, 3, 4, 0,
doc: /* Set text size of FRAME to WIDTH by HEIGHT, measured in characters.
Optional argument PIXELWISE non-nil means to measure in pixels. Note:
When `frame-resize-pixelwise' is nil, some window managers may refuse to
honor a WIDTH that is not an integer multiple of the default frame font
width or a HEIGHT that is not an integer multiple of the default frame
font height. */)
(Lisp_Object frame, Lisp_Object width, Lisp_Object height, Lisp_Object pixelwise)
{
struct frame *f = decode_live_frame (frame);
int pixel_width, pixel_height;
CHECK_TYPE_RANGED_INTEGER (int, width);
CHECK_TYPE_RANGED_INTEGER (int, height);
pixel_width = (!NILP (pixelwise)
? XINT (width)
: XINT (width) * FRAME_COLUMN_WIDTH (f));
pixel_height = (!NILP (pixelwise)
? XINT (height)
: XINT (height) * FRAME_LINE_HEIGHT (f));
adjust_frame_size (f, pixel_width, pixel_height, 1, 0, Qsize);
return Qnil;
}
DEFUN ("frame-position", Fframe_position,
Sframe_position, 0, 1, 0,
doc: /* Return top left corner of FRAME in pixels.
FRAME must be a live frame and defaults to the selected one. The return
value is a cons (x, y) of the coordinates of the top left corner of
FRAME's outer frame, in pixels relative to an origin (0, 0) of FRAME's
display. */)
(Lisp_Object frame)
{
register struct frame *f = decode_live_frame (frame);
return Fcons (make_number (f->left_pos), make_number (f->top_pos));
}
DEFUN ("set-frame-position", Fset_frame_position,
Sset_frame_position, 3, 3, 0,
doc: /* Set position of FRAME to (X, Y).
FRAME must be a live frame and defaults to the selected one. X and Y,
if positive, specify the coordinate of the left and top edge of FRAME's
outer frame in pixels relative to an origin (0, 0) of FRAME's display.
If any of X or Y is negative, it specifies the coordinates of the right
or bottom edge of the outer frame of FRAME relative to the right or
bottom edge of FRAME's display. */)
(Lisp_Object frame, Lisp_Object x, Lisp_Object y)
{
register struct frame *f = decode_live_frame (frame);
CHECK_TYPE_RANGED_INTEGER (int, x);
CHECK_TYPE_RANGED_INTEGER (int, y);
/* I think this should be done with a hook. */
#ifdef HAVE_WINDOW_SYSTEM
if (FRAME_WINDOW_P (f))
x_set_offset (f, XINT (x), XINT (y), 1);
#endif
return Qt;
}
\f
/***********************************************************************
Frame Parameters
***********************************************************************/
/* Connect the frame-parameter names for X frames
to the ways of passing the parameter values to the window system.
The name of a parameter, as a Lisp symbol,
has an `x-frame-parameter' property which is an integer in Lisp
that is an index in this table. */
struct frame_parm_table {
const char *name;
int sym;
};
static const struct frame_parm_table frame_parms[] =
{
{"auto-raise", SYMBOL_INDEX (Qauto_raise)},
{"auto-lower", SYMBOL_INDEX (Qauto_lower)},
{"background-color", -1},
{"border-color", SYMBOL_INDEX (Qborder_color)},
{"border-width", SYMBOL_INDEX (Qborder_width)},
{"cursor-color", SYMBOL_INDEX (Qcursor_color)},
{"cursor-type", SYMBOL_INDEX (Qcursor_type)},
{"font", -1},
{"foreground-color", -1},
{"icon-name", SYMBOL_INDEX (Qicon_name)},
{"icon-type", SYMBOL_INDEX (Qicon_type)},
{"internal-border-width", SYMBOL_INDEX (Qinternal_border_width)},
{"right-divider-width", SYMBOL_INDEX (Qright_divider_width)},
{"bottom-divider-width", SYMBOL_INDEX (Qbottom_divider_width)},
{"menu-bar-lines", SYMBOL_INDEX (Qmenu_bar_lines)},
{"mouse-color", SYMBOL_INDEX (Qmouse_color)},
{"name", SYMBOL_INDEX (Qname)},
{"scroll-bar-width", SYMBOL_INDEX (Qscroll_bar_width)},
{"scroll-bar-height", SYMBOL_INDEX (Qscroll_bar_height)},
{"title", SYMBOL_INDEX (Qtitle)},
{"unsplittable", SYMBOL_INDEX (Qunsplittable)},
{"vertical-scroll-bars", SYMBOL_INDEX (Qvertical_scroll_bars)},
{"horizontal-scroll-bars", SYMBOL_INDEX (Qhorizontal_scroll_bars)},
{"visibility", SYMBOL_INDEX (Qvisibility)},
{"tool-bar-lines", SYMBOL_INDEX (Qtool_bar_lines)},
{"scroll-bar-foreground", SYMBOL_INDEX (Qscroll_bar_foreground)},
{"scroll-bar-background", SYMBOL_INDEX (Qscroll_bar_background)},
{"screen-gamma", SYMBOL_INDEX (Qscreen_gamma)},
{"line-spacing", SYMBOL_INDEX (Qline_spacing)},
{"left-fringe", SYMBOL_INDEX (Qleft_fringe)},
{"right-fringe", SYMBOL_INDEX (Qright_fringe)},
{"wait-for-wm", SYMBOL_INDEX (Qwait_for_wm)},
{"fullscreen", SYMBOL_INDEX (Qfullscreen)},
{"font-backend", SYMBOL_INDEX (Qfont_backend)},
{"alpha", SYMBOL_INDEX (Qalpha)},
{"sticky", SYMBOL_INDEX (Qsticky)},
{"tool-bar-position", SYMBOL_INDEX (Qtool_bar_position)},
};
#ifdef HAVE_WINDOW_SYSTEM
/* Change the parameters of frame F as specified by ALIST.
If a parameter is not specially recognized, do nothing special;
otherwise call the `x_set_...' function for that parameter.
Except for certain geometry properties, always call store_frame_param
to store the new value in the parameter alist. */
void
x_set_frame_parameters (struct frame *f, Lisp_Object alist)
{
Lisp_Object tail;
/* If both of these parameters are present, it's more efficient to
set them both at once. So we wait until we've looked at the
entire list before we set them. */
int width IF_LINT (= 0), height IF_LINT (= 0);
bool width_change = false, height_change = false;
/* Same here. */
Lisp_Object left, top;
/* Same with these. */
Lisp_Object icon_left, icon_top;
/* And with this. */
Lisp_Object fullscreen;
bool fullscreen_change = false;
/* Record in these vectors all the parms specified. */
Lisp_Object *parms;
Lisp_Object *values;
ptrdiff_t i, p;
bool left_no_change = 0, top_no_change = 0;
#ifdef HAVE_X_WINDOWS
bool icon_left_no_change = 0, icon_top_no_change = 0;
#endif
i = 0;
for (tail = alist; CONSP (tail); tail = XCDR (tail))
i++;
USE_SAFE_ALLOCA;
SAFE_ALLOCA_LISP (parms, 2 * i);
values = parms + i;
/* Extract parm names and values into those vectors. */
i = 0;
for (tail = alist; CONSP (tail); tail = XCDR (tail))
{
Lisp_Object elt;
elt = XCAR (tail);
parms[i] = Fcar (elt);
values[i] = Fcdr (elt);
i++;
}
/* TAIL and ALIST are not used again below here. */
alist = tail = Qnil;
top = left = Qunbound;
icon_left = icon_top = Qunbound;
/* Process foreground_color and background_color before anything else.
They are independent of other properties, but other properties (e.g.,
cursor_color) are dependent upon them. */
/* Process default font as well, since fringe widths depends on it. */
for (p = 0; p < i; p++)
{
Lisp_Object prop, val;
prop = parms[p];
val = values[p];
if (EQ (prop, Qforeground_color)
|| EQ (prop, Qbackground_color)
|| EQ (prop, Qfont))
{
register Lisp_Object param_index, old_value;
old_value = get_frame_param (f, prop);
if (NILP (Fequal (val, old_value)))
{
store_frame_param (f, prop, val);
param_index = Fget (prop, Qx_frame_parameter);
if (NATNUMP (param_index)
&& XFASTINT (param_index) < ARRAYELTS (frame_parms)
&& FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])
(*(FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])) (f, val, old_value);
}
}
}
/* Now process them in reverse of specified order. */
while (i-- != 0)
{
Lisp_Object prop, val;
prop = parms[i];
val = values[i];
if (EQ (prop, Qwidth))
{
if (RANGED_INTEGERP (0, val, INT_MAX))
{
width = XFASTINT (val) * FRAME_COLUMN_WIDTH (f) ;
width_change = true;
}
else if (CONSP (val) && EQ (XCAR (val), Qtext_pixels)
&& RANGED_INTEGERP (0, XCDR (val), INT_MAX))
{
width = XFASTINT (XCDR (val));
width_change = true;
}
}
else if (EQ (prop, Qheight))
{
if (RANGED_INTEGERP (0, val, INT_MAX))
{
height = XFASTINT (val) * FRAME_LINE_HEIGHT (f);
height_change = true;
}
else if (CONSP (val) && EQ (XCAR (val), Qtext_pixels)
&& RANGED_INTEGERP (0, XCDR (val), INT_MAX))
{
height = XFASTINT (XCDR (val));
height_change = true;
}
}
else if (EQ (prop, Qtop))
top = val;
else if (EQ (prop, Qleft))
left = val;
else if (EQ (prop, Qicon_top))
icon_top = val;
else if (EQ (prop, Qicon_left))
icon_left = val;
else if (EQ (prop, Qfullscreen))
{
fullscreen = val;
fullscreen_change = true;
}
else if (EQ (prop, Qforeground_color)
|| EQ (prop, Qbackground_color)
|| EQ (prop, Qfont))
/* Processed above. */
continue;
else
{
register Lisp_Object param_index, old_value;
old_value = get_frame_param (f, prop);
store_frame_param (f, prop, val);
param_index = Fget (prop, Qx_frame_parameter);
if (NATNUMP (param_index)
&& XFASTINT (param_index) < ARRAYELTS (frame_parms)
&& FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])
(*(FRAME_RIF (f)->frame_parm_handlers[XINT (param_index)])) (f, val, old_value);
}
}
/* Don't die if just one of these was set. */
if (EQ (left, Qunbound))
{
left_no_change = 1;
if (f->left_pos < 0)
left = list2 (Qplus, make_number (f->left_pos));
else
XSETINT (left, f->left_pos);
}
if (EQ (top, Qunbound))
{
top_no_change = 1;
if (f->top_pos < 0)
top = list2 (Qplus, make_number (f->top_pos));
else
XSETINT (top, f->top_pos);
}
/* If one of the icon positions was not set, preserve or default it. */
if (! TYPE_RANGED_INTEGERP (int, icon_left))
{
#ifdef HAVE_X_WINDOWS
icon_left_no_change = 1;
#endif
icon_left = Fcdr (Fassq (Qicon_left, f->param_alist));
if (NILP (icon_left))
XSETINT (icon_left, 0);
}
if (! TYPE_RANGED_INTEGERP (int, icon_top))
{
#ifdef HAVE_X_WINDOWS
icon_top_no_change = 1;
#endif
icon_top = Fcdr (Fassq (Qicon_top, f->param_alist));
if (NILP (icon_top))
XSETINT (icon_top, 0);
}
/* Don't set these parameters unless they've been explicitly
specified. The window might be mapped or resized while we're in
this function, and we don't want to override that unless the lisp
code has asked for it.
Don't set these parameters unless they actually differ from the
window's current parameters; the window may not actually exist
yet. */
{
Lisp_Object frame;
XSETFRAME (frame, f);
if ((width_change && width != FRAME_TEXT_WIDTH (f))
|| (height_change && height != FRAME_TEXT_HEIGHT (f)))
/* We could consider checking f->after_make_frame here, but I
don't have the faintest idea why the following is needed at
all. With the old setting it can get a Heisenbug when
EmacsFrameResize intermittently provokes a delayed
change_frame_size in the middle of adjust_frame_size. */
/** || (f->can_x_set_window_size && (f->new_height || f->new_width))) **/
adjust_frame_size (f, width_change ? width : -1,
height_change ? height : -1, 1, 0, Qx_set_frame_parameters);
if ((!NILP (left) || !NILP (top))
&& ! (left_no_change && top_no_change)
&& ! (NUMBERP (left) && XINT (left) == f->left_pos
&& NUMBERP (top) && XINT (top) == f->top_pos))
{
int leftpos = 0;
int toppos = 0;
/* Record the signs. */
f->size_hint_flags &= ~ (XNegative | YNegative);
if (EQ (left, Qminus))
f->size_hint_flags |= XNegative;
else if (TYPE_RANGED_INTEGERP (int, left))
{
leftpos = XINT (left);
if (leftpos < 0)
f->size_hint_flags |= XNegative;
}
else if (CONSP (left) && EQ (XCAR (left), Qminus)
&& CONSP (XCDR (left))
&& RANGED_INTEGERP (-INT_MAX, XCAR (XCDR (left)), INT_MAX))
{
leftpos = - XINT (XCAR (XCDR (left)));
f->size_hint_flags |= XNegative;
}
else if (CONSP (left) && EQ (XCAR (left), Qplus)
&& CONSP (XCDR (left))
&& TYPE_RANGED_INTEGERP (int, XCAR (XCDR (left))))
{
leftpos = XINT (XCAR (XCDR (left)));
}
if (EQ (top, Qminus))
f->size_hint_flags |= YNegative;
else if (TYPE_RANGED_INTEGERP (int, top))
{
toppos = XINT (top);
if (toppos < 0)
f->size_hint_flags |= YNegative;
}
else if (CONSP (top) && EQ (XCAR (top), Qminus)
&& CONSP (XCDR (top))
&& RANGED_INTEGERP (-INT_MAX, XCAR (XCDR (top)), INT_MAX))
{
toppos = - XINT (XCAR (XCDR (top)));
f->size_hint_flags |= YNegative;
}
else if (CONSP (top) && EQ (XCAR (top), Qplus)
&& CONSP (XCDR (top))
&& TYPE_RANGED_INTEGERP (int, XCAR (XCDR (top))))
{
toppos = XINT (XCAR (XCDR (top)));
}
/* Store the numeric value of the position. */
f->top_pos = toppos;
f->left_pos = leftpos;
f->win_gravity = NorthWestGravity;
/* Actually set that position, and convert to absolute. */
x_set_offset (f, leftpos, toppos, -1);
}
if (fullscreen_change)
{
Lisp_Object old_value = get_frame_param (f, Qfullscreen);
frame_size_history_add
(f, Qx_set_fullscreen, 0, 0, list2 (old_value, fullscreen));
store_frame_param (f, Qfullscreen, fullscreen);
if (!EQ (fullscreen, old_value))
x_set_fullscreen (f, fullscreen, old_value);
}
#ifdef HAVE_X_WINDOWS
if ((!NILP (icon_left) || !NILP (icon_top))
&& ! (icon_left_no_change && icon_top_no_change))
x_wm_set_icon_position (f, XINT (icon_left), XINT (icon_top));
#endif /* HAVE_X_WINDOWS */
}
SAFE_FREE ();
}
/* Insert a description of internally-recorded parameters of frame X
into the parameter alist *ALISTPTR that is to be given to the user.
Only parameters that are specific to the X window system
and whose values are not correctly recorded in the frame's
param_alist need to be considered here. */
void
x_report_frame_params (struct frame *f, Lisp_Object *alistptr)
{
Lisp_Object tem;
uprintmax_t w;
char buf[INT_BUFSIZE_BOUND (w)];
/* Represent negative positions (off the top or left screen edge)
in a way that Fmodify_frame_parameters will understand correctly. */
XSETINT (tem, f->left_pos);
if (f->left_pos >= 0)
store_in_alist (alistptr, Qleft, tem);
else
store_in_alist (alistptr, Qleft, list2 (Qplus, tem));
XSETINT (tem, f->top_pos);
if (f->top_pos >= 0)
store_in_alist (alistptr, Qtop, tem);
else
store_in_alist (alistptr, Qtop, list2 (Qplus, tem));
store_in_alist (alistptr, Qborder_width,
make_number (f->border_width));
store_in_alist (alistptr, Qinternal_border_width,
make_number (FRAME_INTERNAL_BORDER_WIDTH (f)));
store_in_alist (alistptr, Qright_divider_width,
make_number (FRAME_RIGHT_DIVIDER_WIDTH (f)));
store_in_alist (alistptr, Qbottom_divider_width,
make_number (FRAME_BOTTOM_DIVIDER_WIDTH (f)));
store_in_alist (alistptr, Qleft_fringe,
make_number (FRAME_LEFT_FRINGE_WIDTH (f)));
store_in_alist (alistptr, Qright_fringe,
make_number (FRAME_RIGHT_FRINGE_WIDTH (f)));
store_in_alist (alistptr, Qscroll_bar_width,
(! FRAME_HAS_VERTICAL_SCROLL_BARS (f)
? make_number (0)
: FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0
? make_number (FRAME_CONFIG_SCROLL_BAR_WIDTH (f))
/* nil means "use default width"
for non-toolkit scroll bar.
ruler-mode.el depends on this. */
: Qnil));
store_in_alist (alistptr, Qscroll_bar_height,
(! FRAME_HAS_HORIZONTAL_SCROLL_BARS (f)
? make_number (0)
: FRAME_CONFIG_SCROLL_BAR_HEIGHT (f) > 0
? make_number (FRAME_CONFIG_SCROLL_BAR_HEIGHT (f))
/* nil means "use default height"
for non-toolkit scroll bar. */
: Qnil));
/* FRAME_X_WINDOW is not guaranteed to return an integer. E.g., on
MS-Windows it returns a value whose type is HANDLE, which is
actually a pointer. Explicit casting avoids compiler
warnings. */
w = (uintptr_t) FRAME_X_WINDOW (f);
store_in_alist (alistptr, Qwindow_id,
make_formatted_string (buf, "%"pMu, w));
#ifdef HAVE_X_WINDOWS
#ifdef USE_X_TOOLKIT
/* Tooltip frame may not have this widget. */
if (FRAME_X_OUTPUT (f)->widget)
#endif
w = (uintptr_t) FRAME_OUTER_WINDOW (f);
store_in_alist (alistptr, Qouter_window_id,
make_formatted_string (buf, "%"pMu, w));
#endif
store_in_alist (alistptr, Qicon_name, f->icon_name);
store_in_alist (alistptr, Qvisibility,
(FRAME_VISIBLE_P (f) ? Qt
: FRAME_ICONIFIED_P (f) ? Qicon : Qnil));
store_in_alist (alistptr, Qdisplay,
XCAR (FRAME_DISPLAY_INFO (f)->name_list_element));
if (FRAME_X_OUTPUT (f)->parent_desc == FRAME_DISPLAY_INFO (f)->root_window)
tem = Qnil;
else
tem = make_natnum ((uintptr_t) FRAME_X_OUTPUT (f)->parent_desc);
store_in_alist (alistptr, Qexplicit_name, (f->explicit_name ? Qt : Qnil));
store_in_alist (alistptr, Qparent_id, tem);
store_in_alist (alistptr, Qtool_bar_position, FRAME_TOOL_BAR_POSITION (f));
}
/* Change the `fullscreen' frame parameter of frame F. OLD_VALUE is
the previous value of that parameter, NEW_VALUE is the new value. */
void
x_set_fullscreen (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
if (NILP (new_value))
f->want_fullscreen = FULLSCREEN_NONE;
else if (EQ (new_value, Qfullboth) || EQ (new_value, Qfullscreen))
f->want_fullscreen = FULLSCREEN_BOTH;
else if (EQ (new_value, Qfullwidth))
f->want_fullscreen = FULLSCREEN_WIDTH;
else if (EQ (new_value, Qfullheight))
f->want_fullscreen = FULLSCREEN_HEIGHT;
else if (EQ (new_value, Qmaximized))
f->want_fullscreen = FULLSCREEN_MAXIMIZED;
if (FRAME_TERMINAL (f)->fullscreen_hook != NULL)
FRAME_TERMINAL (f)->fullscreen_hook (f);
}
/* Change the `line-spacing' frame parameter of frame F. OLD_VALUE is
the previous value of that parameter, NEW_VALUE is the new value. */
void
x_set_line_spacing (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
if (NILP (new_value))
f->extra_line_spacing = 0;
else if (RANGED_INTEGERP (0, new_value, INT_MAX))
f->extra_line_spacing = XFASTINT (new_value);
else if (FLOATP (new_value))
{
int new_spacing = XFLOAT_DATA (new_value) * FRAME_LINE_HEIGHT (f) + 0.5;
if (new_spacing >= 0)
f->extra_line_spacing = new_spacing;
else
signal_error ("Invalid line-spacing", new_value);
}
else
signal_error ("Invalid line-spacing", new_value);
if (FRAME_VISIBLE_P (f))
redraw_frame (f);
}
/* Change the `screen-gamma' frame parameter of frame F. OLD_VALUE is
the previous value of that parameter, NEW_VALUE is the new value. */
void
x_set_screen_gamma (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
Lisp_Object bgcolor;
if (NILP (new_value))
f->gamma = 0;
else if (NUMBERP (new_value) && XFLOATINT (new_value) > 0)
/* The value 0.4545 is the normal viewing gamma. */
f->gamma = 1.0 / (0.4545 * XFLOATINT (new_value));
else
signal_error ("Invalid screen-gamma", new_value);
/* Apply the new gamma value to the frame background. */
bgcolor = Fassq (Qbackground_color, f->param_alist);
if (CONSP (bgcolor) && (bgcolor = XCDR (bgcolor), STRINGP (bgcolor)))
{
Lisp_Object parm_index = Fget (Qbackground_color, Qx_frame_parameter);
if (NATNUMP (parm_index)
&& XFASTINT (parm_index) < ARRAYELTS (frame_parms)
&& FRAME_RIF (f)->frame_parm_handlers[XFASTINT (parm_index)])
(*FRAME_RIF (f)->frame_parm_handlers[XFASTINT (parm_index)])
(f, bgcolor, Qnil);
}
clear_face_cache (true); /* FIXME: Why of all frames? */
fset_redisplay (f);
}
void
x_set_font (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
Lisp_Object font_object;
int fontset = -1;
#ifdef HAVE_X_WINDOWS
Lisp_Object font_param = arg;
#endif
/* Set the frame parameter back to the old value because we may
fail to use ARG as the new parameter value. */
store_frame_param (f, Qfont, oldval);
/* ARG is a fontset name, a font name, a cons of fontset name and a
font object, or a font object. In the last case, this function
never fail. */
if (STRINGP (arg))
{
fontset = fs_query_fontset (arg, 0);
if (fontset < 0)
{
font_object = font_open_by_name (f, arg);
if (NILP (font_object))
error ("Font `%s' is not defined", SSDATA (arg));
arg = AREF (font_object, FONT_NAME_INDEX);
}
else if (fontset > 0)
{
font_object = font_open_by_name (f, fontset_ascii (fontset));
if (NILP (font_object))
error ("Font `%s' is not defined", SDATA (arg));
arg = AREF (font_object, FONT_NAME_INDEX);
}
else
error ("The default fontset can't be used for a frame font");
}
else if (CONSP (arg) && STRINGP (XCAR (arg)) && FONT_OBJECT_P (XCDR (arg)))
{
/* This is the case that the ASCII font of F's fontset XCAR
(arg) is changed to the font XCDR (arg) by
`set-fontset-font'. */
fontset = fs_query_fontset (XCAR (arg), 0);
if (fontset < 0)
error ("Unknown fontset: %s", SDATA (XCAR (arg)));
font_object = XCDR (arg);
arg = AREF (font_object, FONT_NAME_INDEX);
#ifdef HAVE_X_WINDOWS
font_param = Ffont_get (font_object, QCname);
#endif
}
else if (FONT_OBJECT_P (arg))
{
font_object = arg;
#ifdef HAVE_X_WINDOWS
font_param = Ffont_get (font_object, QCname);
#endif
/* This is to store the XLFD font name in the frame parameter for
backward compatibility. We should store the font-object
itself in the future. */
arg = AREF (font_object, FONT_NAME_INDEX);
fontset = FRAME_FONTSET (f);
/* Check if we can use the current fontset. If not, set FONTSET
to -1 to generate a new fontset from FONT-OBJECT. */
if (fontset >= 0)
{
Lisp_Object ascii_font = fontset_ascii (fontset);
Lisp_Object spec = font_spec_from_name (ascii_font);
/* SPEC might be nil because ASCII_FONT's name doesn't parse
according to stupid XLFD rules, which, for example,
disallow font names that include a dash followed by a
number. So in those cases we simply request x_new_font
below to generate a new fontset. */
if (NILP (spec) || ! font_match_p (spec, font_object))
fontset = -1;
}
}
else
signal_error ("Invalid font", arg);
if (! NILP (Fequal (font_object, oldval)))
return;
x_new_font (f, font_object, fontset);
store_frame_param (f, Qfont, arg);
#ifdef HAVE_X_WINDOWS
store_frame_param (f, Qfont_param, font_param);
#endif
/* Recalculate toolbar height. */
f->n_tool_bar_rows = 0;
/* Ensure we redraw it. */
clear_current_matrices (f);
/* Attempt to hunt down bug#16028. */
SET_FRAME_GARBAGED (f);
/* This is important if we are called by some Lisp as part of
redisplaying the frame, see redisplay_internal. */
f->fonts_changed = true;
recompute_basic_faces (f);
do_pending_window_change (0);
/* We used to call face-set-after-frame-default here, but it leads to
recursive calls (since that function can set the `default' face's
font which in turns changes the frame's `font' parameter).
Also I don't know what this call is meant to do, but it seems the
wrong way to do it anyway (it does a lot more work than what seems
reasonable in response to a change to `font'). */
}
void
x_set_font_backend (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
if (! NILP (new_value)
&& !CONSP (new_value))
{
char *p0, *p1;
CHECK_STRING (new_value);
p0 = p1 = SSDATA (new_value);
new_value = Qnil;
while (*p0)
{
while (*p1 && ! c_isspace (*p1) && *p1 != ',') p1++;
if (p0 < p1)
new_value = Fcons (Fintern (make_string (p0, p1 - p0), Qnil),
new_value);
if (*p1)
{
int c;
while ((c = *++p1) && c_isspace (c));
}
p0 = p1;
}
new_value = Fnreverse (new_value);
}
if (! NILP (old_value) && ! NILP (Fequal (old_value, new_value)))
return;
if (FRAME_FONT (f))
free_all_realized_faces (Qnil);
new_value = font_update_drivers (f, NILP (new_value) ? Qt : new_value);
if (NILP (new_value))
{
if (NILP (old_value))
error ("No font backend available");
font_update_drivers (f, old_value);
error ("None of specified font backends are available");
}
store_frame_param (f, Qfont_backend, new_value);
if (FRAME_FONT (f))
{
Lisp_Object frame;
XSETFRAME (frame, f);
x_set_font (f, Fframe_parameter (frame, Qfont), Qnil);
face_change = true;
windows_or_buffers_changed = 18;
}
}
void
x_set_left_fringe (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
int unit = FRAME_COLUMN_WIDTH (f);
int old_width = FRAME_LEFT_FRINGE_WIDTH (f);
int new_width;
new_width = (RANGED_INTEGERP (-INT_MAX, new_value, INT_MAX)
? eabs (XINT (new_value)) : 8);
if (new_width != old_width)
{
FRAME_LEFT_FRINGE_WIDTH (f) = new_width;
FRAME_FRINGE_COLS (f) /* Round up. */
= (new_width + FRAME_RIGHT_FRINGE_WIDTH (f) + unit - 1) / unit;
if (FRAME_X_WINDOW (f) != 0)
adjust_frame_size (f, -1, -1, 3, 0, Qleft_fringe);
SET_FRAME_GARBAGED (f);
}
}
void
x_set_right_fringe (struct frame *f, Lisp_Object new_value, Lisp_Object old_value)
{
int unit = FRAME_COLUMN_WIDTH (f);
int old_width = FRAME_RIGHT_FRINGE_WIDTH (f);
int new_width;
new_width = (RANGED_INTEGERP (-INT_MAX, new_value, INT_MAX)
? eabs (XINT (new_value)) : 8);
if (new_width != old_width)
{
FRAME_RIGHT_FRINGE_WIDTH (f) = new_width;
FRAME_FRINGE_COLS (f) /* Round up. */
= (new_width + FRAME_LEFT_FRINGE_WIDTH (f) + unit - 1) / unit;
if (FRAME_X_WINDOW (f) != 0)
adjust_frame_size (f, -1, -1, 3, 0, Qright_fringe);
SET_FRAME_GARBAGED (f);
}
}
void
x_set_border_width (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
CHECK_TYPE_RANGED_INTEGER (int, arg);
if (XINT (arg) == f->border_width)
return;
if (FRAME_X_WINDOW (f) != 0)
error ("Cannot change the border width of a frame");
f->border_width = XINT (arg);
}
void
x_set_right_divider_width (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
int old = FRAME_RIGHT_DIVIDER_WIDTH (f);
CHECK_TYPE_RANGED_INTEGER (int, arg);
FRAME_RIGHT_DIVIDER_WIDTH (f) = XINT (arg);
if (FRAME_RIGHT_DIVIDER_WIDTH (f) < 0)
FRAME_RIGHT_DIVIDER_WIDTH (f) = 0;
if (FRAME_RIGHT_DIVIDER_WIDTH (f) != old)
{
adjust_frame_size (f, -1, -1, 4, 0, Qright_divider_width);
adjust_frame_glyphs (f);
SET_FRAME_GARBAGED (f);
}
}
void
x_set_bottom_divider_width (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
int old = FRAME_BOTTOM_DIVIDER_WIDTH (f);
CHECK_TYPE_RANGED_INTEGER (int, arg);
FRAME_BOTTOM_DIVIDER_WIDTH (f) = XINT (arg);
if (FRAME_BOTTOM_DIVIDER_WIDTH (f) < 0)
FRAME_BOTTOM_DIVIDER_WIDTH (f) = 0;
if (FRAME_BOTTOM_DIVIDER_WIDTH (f) != old)
{
adjust_frame_size (f, -1, -1, 4, 0, Qbottom_divider_width);
adjust_frame_glyphs (f);
SET_FRAME_GARBAGED (f);
}
}
void
x_set_visibility (struct frame *f, Lisp_Object value, Lisp_Object oldval)
{
Lisp_Object frame;
XSETFRAME (frame, f);
if (NILP (value))
Fmake_frame_invisible (frame, Qt);
else if (EQ (value, Qicon))
Ficonify_frame (frame);
else
Fmake_frame_visible (frame);
}
void
x_set_autoraise (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
f->auto_raise = !EQ (Qnil, arg);
}
void
x_set_autolower (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
f->auto_lower = !EQ (Qnil, arg);
}
void
x_set_unsplittable (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
f->no_split = !NILP (arg);
}
void
x_set_vertical_scroll_bars (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
if ((EQ (arg, Qleft) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f))
|| (EQ (arg, Qright) && FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f))
|| (NILP (arg) && FRAME_HAS_VERTICAL_SCROLL_BARS (f))
|| (!NILP (arg) && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)))
{
FRAME_VERTICAL_SCROLL_BAR_TYPE (f)
= (NILP (arg)
? vertical_scroll_bar_none
: EQ (Qleft, arg)
? vertical_scroll_bar_left
: EQ (Qright, arg)
? vertical_scroll_bar_right
: EQ (Qleft, Vdefault_frame_scroll_bars)
? vertical_scroll_bar_left
: EQ (Qright, Vdefault_frame_scroll_bars)
? vertical_scroll_bar_right
: vertical_scroll_bar_none);
/* We set this parameter before creating the X window for the
frame, so we can get the geometry right from the start.
However, if the window hasn't been created yet, we shouldn't
call x_set_window_size. */
if (FRAME_X_WINDOW (f))
adjust_frame_size (f, -1, -1, 3, 0, Qvertical_scroll_bars);
SET_FRAME_GARBAGED (f);
}
}
void
x_set_horizontal_scroll_bars (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
#if USE_HORIZONTAL_SCROLL_BARS
if ((NILP (arg) && FRAME_HAS_HORIZONTAL_SCROLL_BARS (f))
|| (!NILP (arg) && !FRAME_HAS_HORIZONTAL_SCROLL_BARS (f)))
{
f->horizontal_scroll_bars = NILP (arg) ? false : true;
/* We set this parameter before creating the X window for the
frame, so we can get the geometry right from the start.
However, if the window hasn't been created yet, we shouldn't
call x_set_window_size. */
if (FRAME_X_WINDOW (f))
adjust_frame_size (f, -1, -1, 3, 0, Qhorizontal_scroll_bars);
SET_FRAME_GARBAGED (f);
}
#endif
}
void
x_set_scroll_bar_width (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
int unit = FRAME_COLUMN_WIDTH (f);
if (NILP (arg))
{
x_set_scroll_bar_default_width (f);
if (FRAME_X_WINDOW (f))
adjust_frame_size (f, -1, -1, 3, 0, Qscroll_bar_width);
SET_FRAME_GARBAGED (f);
}
else if (RANGED_INTEGERP (1, arg, INT_MAX)
&& XFASTINT (arg) != FRAME_CONFIG_SCROLL_BAR_WIDTH (f))
{
FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = XFASTINT (arg);
FRAME_CONFIG_SCROLL_BAR_COLS (f) = (XFASTINT (arg) + unit - 1) / unit;
if (FRAME_X_WINDOW (f))
adjust_frame_size (f, -1, -1, 3, 0, Qscroll_bar_width);
SET_FRAME_GARBAGED (f);
}
XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.hpos = 0;
XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.x = 0;
}
void
x_set_scroll_bar_height (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
{
#if USE_HORIZONTAL_SCROLL_BARS
int unit = FRAME_LINE_HEIGHT (f);
if (NILP (arg))
{
x_set_scroll_bar_default_height (f);
if (FRAME_X_WINDOW (f))
adjust_frame_size (f, -1, -1, 3, 0, Qscroll_bar_height);
SET_FRAME_GARBAGED (f);
}
else if (RANGED_INTEGERP (1, arg, INT_MAX)
&& XFASTINT (arg) != FRAME_CONFIG_SCROLL_BAR_HEIGHT (f))
{
FRAME_CONFIG_SCROLL_BAR_HEIGHT (f) = XFASTINT (arg);
FRAME_CONFIG_SCROLL_BAR_LINES (f) = (XFASTINT (arg) + unit - 1) / unit;
if (FRAME_X_WINDOW (f))
adjust_frame_size (f, -1, -1, 3, 0, Qscroll_bar_height);
SET_FRAME_GARBAGED (f);
}
XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.vpos = 0;
XWINDOW (FRAME_SELECTED_WINDOW (f))->cursor.y = 0;
#endif
}
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;
for (i = 0; i < 2; i++)
{
newval[i] = 1.0;
if (CONSP (arg))
{
item = CAR (arg);
arg = CDR (arg);
}
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 (INTEGERP (item))
{
EMACS_INT ialpha = XINT (item);
if (! (0 <= ialpha && alpha <= 100))
args_out_of_range (make_number (0), make_number (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];
#if defined (HAVE_X_WINDOWS) || defined (HAVE_NTGUI) || defined (NS_IMPL_COCOA)
block_input ();
x_set_frame_alpha (f);
unblock_input ();
#endif
return;
}
#ifndef HAVE_NS
/* Non-zero if mouse is grabbed on DPYINFO
and we know the frame where it is. */
bool x_mouse_grabbed (Display_Info *dpyinfo)
{
return (dpyinfo->grabbed
&& dpyinfo->last_mouse_frame
&& FRAME_LIVE_P (dpyinfo->last_mouse_frame));
}
/* Re-highlight something with mouse-face properties
on DPYINFO using saved frame and mouse position. */
void
x_redo_mouse_highlight (Display_Info *dpyinfo)
{
if (dpyinfo->last_mouse_motion_frame
&& FRAME_LIVE_P (dpyinfo->last_mouse_motion_frame))
note_mouse_highlight (dpyinfo->last_mouse_motion_frame,
dpyinfo->last_mouse_motion_x,
dpyinfo->last_mouse_motion_y);
}
#endif /* HAVE_NS */
/* Subroutines of creating an X frame. */
/* Make sure that Vx_resource_name is set to a reasonable value.
Fix it up, or set it to `emacs' if it is too hopeless. */
void
validate_x_resource_name (void)
{
ptrdiff_t len = 0;
/* Number of valid characters in the resource name. */
ptrdiff_t good_count = 0;
/* Number of invalid characters in the resource name. */
ptrdiff_t bad_count = 0;
Lisp_Object new;
ptrdiff_t i;
if (!STRINGP (Vx_resource_class))
Vx_resource_class = build_string (EMACS_CLASS);
if (STRINGP (Vx_resource_name))
{
unsigned char *p = SDATA (Vx_resource_name);
len = SBYTES (Vx_resource_name);
/* Only letters, digits, - and _ are valid in resource names.
Count the valid characters and count the invalid ones. */
for (i = 0; i < len; i++)
{
int c = p[i];
if (! ((c >= 'a' && c <= 'z')
|| (c >= 'A' && c <= 'Z')
|| (c >= '0' && c <= '9')
|| c == '-' || c == '_'))
bad_count++;
else
good_count++;
}
}
else
/* Not a string => completely invalid. */
bad_count = 5, good_count = 0;
/* If name is valid already, return. */
if (bad_count == 0)
return;
/* If name is entirely invalid, or nearly so, or is so implausibly
large that alloca might not work, use `emacs'. */
if (good_count < 2 || MAX_ALLOCA - sizeof ".customization" < len)
{
Vx_resource_name = build_string ("emacs");
return;
}
/* Name is partly valid. Copy it and replace the invalid characters
with underscores. */
Vx_resource_name = new = Fcopy_sequence (Vx_resource_name);
for (i = 0; i < len; i++)
{
int c = SREF (new, i);
if (! ((c >= 'a' && c <= 'z')
|| (c >= 'A' && c <= 'Z')
|| (c >= '0' && c <= '9')
|| c == '-' || c == '_'))
SSET (new, i, '_');
}
}
/* Get specified attribute from resource database RDB.
See Fx_get_resource below for other parameters. */
static Lisp_Object
xrdb_get_resource (XrmDatabase rdb, Lisp_Object attribute, Lisp_Object class, Lisp_Object component, Lisp_Object subclass)
{
CHECK_STRING (attribute);
CHECK_STRING (class);
if (!NILP (component))
CHECK_STRING (component);
if (!NILP (subclass))
CHECK_STRING (subclass);
if (NILP (component) != NILP (subclass))
error ("x-get-resource: must specify both COMPONENT and SUBCLASS or neither");
validate_x_resource_name ();
/* Allocate space for the components, the dots which separate them,
and the final '\0'. Make them big enough for the worst case. */
ptrdiff_t name_keysize = (SBYTES (Vx_resource_name)
+ (STRINGP (component)
? SBYTES (component) : 0)
+ SBYTES (attribute)
+ 3);
ptrdiff_t class_keysize = (SBYTES (Vx_resource_class)
+ SBYTES (class)
+ (STRINGP (subclass)
? SBYTES (subclass) : 0)
+ 3);
USE_SAFE_ALLOCA;
char *name_key = SAFE_ALLOCA (name_keysize + class_keysize);
char *class_key = name_key + name_keysize;
/* Start with emacs.FRAMENAME for the name (the specific one)
and with `Emacs' for the class key (the general one). */
char *nz = lispstpcpy (name_key, Vx_resource_name);
char *cz = lispstpcpy (class_key, Vx_resource_class);
*cz++ = '.';
cz = lispstpcpy (cz, class);
if (!NILP (component))
{
*cz++ = '.';
lispstpcpy (cz, subclass);
*nz++ = '.';
nz = lispstpcpy (nz, component);
}
*nz++ = '.';
lispstpcpy (nz, attribute);
char *value = x_get_string_resource (rdb, name_key, class_key);
SAFE_FREE();
if (value && *value)
return build_string (value);
else
return Qnil;
}
DEFUN ("x-get-resource", Fx_get_resource, Sx_get_resource, 2, 4, 0,
doc: /* Return the value of ATTRIBUTE, of class CLASS, from the X defaults database.
This uses `INSTANCE.ATTRIBUTE' as the key and `Emacs.CLASS' as the
class, where INSTANCE is the name under which Emacs was invoked, or
the name specified by the `-name' or `-rn' command-line arguments.
The optional arguments COMPONENT and SUBCLASS add to the key and the
class, respectively. You must specify both of them or neither.
If you specify them, the key is `INSTANCE.COMPONENT.ATTRIBUTE'
and the class is `Emacs.CLASS.SUBCLASS'. */)
(Lisp_Object attribute, Lisp_Object class, Lisp_Object component,
Lisp_Object subclass)
{
check_window_system (NULL);
return xrdb_get_resource (check_x_display_info (Qnil)->xrdb,
attribute, class, component, subclass);
}
/* Get an X resource, like Fx_get_resource, but for display DPYINFO. */
Lisp_Object
display_x_get_resource (Display_Info *dpyinfo, Lisp_Object attribute,
Lisp_Object class, Lisp_Object component,
Lisp_Object subclass)
{
return xrdb_get_resource (dpyinfo->xrdb,
attribute, class, component, subclass);
}
#if defined HAVE_X_WINDOWS && !defined USE_X_TOOLKIT && !defined USE_GTK
/* Used when C code wants a resource value. */
/* Called from oldXMenu/Create.c. */
char *
x_get_resource_string (const char *attribute, const char *class)
{
char *result;
struct frame *sf = SELECTED_FRAME ();
ptrdiff_t invocation_namelen = SBYTES (Vinvocation_name);
USE_SAFE_ALLOCA;
/* Allocate space for the components, the dots which separate them,
and the final '\0'. */
ptrdiff_t name_keysize = invocation_namelen + strlen (attribute) + 2;
ptrdiff_t class_keysize = sizeof (EMACS_CLASS) - 1 + strlen (class) + 2;
char *name_key = SAFE_ALLOCA (name_keysize + class_keysize);
char *class_key = name_key + name_keysize;
esprintf (name_key, "%s.%s", SSDATA (Vinvocation_name), attribute);
sprintf (class_key, "%s.%s", EMACS_CLASS, class);
result = x_get_string_resource (FRAME_DISPLAY_INFO (sf)->xrdb,
name_key, class_key);
SAFE_FREE ();
return result;
}
#endif
/* Return the value of parameter PARAM.
First search ALIST, then Vdefault_frame_alist, then the X defaults
database, using ATTRIBUTE as the attribute name and CLASS as its class.
Convert the resource to the type specified by desired_type.
If no default is specified, return Qunbound. If you call
x_get_arg, make sure you deal with Qunbound in a reasonable way,
and don't let it get stored in any Lisp-visible variables! */
Lisp_Object
x_get_arg (Display_Info *dpyinfo, Lisp_Object alist, Lisp_Object param,
const char *attribute, const char *class, enum resource_types type)
{
Lisp_Object tem;
tem = Fassq (param, alist);
if (!NILP (tem))
{
/* If we find this parm in ALIST, clear it out
so that it won't be "left over" at the end. */
Lisp_Object tail;
XSETCAR (tem, Qnil);
/* In case the parameter appears more than once in the alist,
clear it out. */
for (tail = alist; CONSP (tail); tail = XCDR (tail))
if (CONSP (XCAR (tail))
&& EQ (XCAR (XCAR (tail)), param))
XSETCAR (XCAR (tail), Qnil);
}
else
tem = Fassq (param, Vdefault_frame_alist);
/* If it wasn't specified in ALIST or the Lisp-level defaults,
look in the X resources. */
if (EQ (tem, Qnil))
{
if (attribute && dpyinfo)
{
AUTO_STRING (at, attribute);
AUTO_STRING (cl, class);
tem = display_x_get_resource (dpyinfo, at, cl, Qnil, Qnil);
if (NILP (tem))
return Qunbound;
switch (type)
{
case RES_TYPE_NUMBER:
return make_number (atoi (SSDATA (tem)));
case RES_TYPE_BOOLEAN_NUMBER:
if (!strcmp (SSDATA (tem), "on")
|| !strcmp (SSDATA (tem), "true"))
return make_number (1);
return make_number (atoi (SSDATA (tem)));
break;
case RES_TYPE_FLOAT:
return make_float (atof (SSDATA (tem)));
case RES_TYPE_BOOLEAN:
tem = Fdowncase (tem);
if (!strcmp (SSDATA (tem), "on")
#ifdef HAVE_NS
|| !strcmp (SSDATA (tem), "yes")
#endif
|| !strcmp (SSDATA (tem), "true"))
return Qt;
else
return Qnil;
case RES_TYPE_STRING:
return tem;
case RES_TYPE_SYMBOL:
/* As a special case, we map the values `true' and `on'
to Qt, and `false' and `off' to Qnil. */
{
Lisp_Object lower;
lower = Fdowncase (tem);
if (!strcmp (SSDATA (lower), "on")
#ifdef HAVE_NS
|| !strcmp (SSDATA (lower), "yes")
#endif
|| !strcmp (SSDATA (lower), "true"))
return Qt;
else if (!strcmp (SSDATA (lower), "off")
#ifdef HAVE_NS
|| !strcmp (SSDATA (lower), "no")
#endif
|| !strcmp (SSDATA (lower), "false"))
return Qnil;
else
return Fintern (tem, Qnil);
}
default:
emacs_abort ();
}
}
else
return Qunbound;
}
return Fcdr (tem);
}
static Lisp_Object
x_frame_get_arg (struct frame *f, Lisp_Object alist, Lisp_Object param,
const char *attribute, const char *class,
enum resource_types type)
{
return x_get_arg (FRAME_DISPLAY_INFO (f),
alist, param, attribute, class, type);
}
/* Like x_frame_get_arg, but also record the value in f->param_alist. */
Lisp_Object
x_frame_get_and_record_arg (struct frame *f, Lisp_Object alist,
Lisp_Object param,
const char *attribute, const char *class,
enum resource_types type)
{
Lisp_Object value;
value = x_get_arg (FRAME_DISPLAY_INFO (f), alist, param,
attribute, class, type);
if (! NILP (value) && ! EQ (value, Qunbound))
store_frame_param (f, param, value);
return value;
}
/* 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. */
Lisp_Object
x_default_parameter (struct frame *f, Lisp_Object alist, Lisp_Object prop,
Lisp_Object deflt, const char *xprop, const char *xclass,
enum resource_types type)
{
Lisp_Object tem;
tem = x_frame_get_arg (f, alist, prop, xprop, xclass, type);
if (EQ (tem, Qunbound))
tem = deflt;
AUTO_FRAME_ARG (arg, prop, tem);
x_set_frame_parameters (f, arg);
return tem;
}
#if !defined (HAVE_X_WINDOWS) && defined (NoValue)
/*
* XParseGeometry parses strings of the form
* "=<width>x<height>{+-}<xoffset>{+-}<yoffset>", where
* width, height, xoffset, and yoffset are unsigned integers.
* Example: "=80x24+300-49"
* The equal sign is optional.
* It returns a bitmask that indicates which of the four values
* were actually found in the string. For each value found,
* the corresponding argument is updated; for each value
* not found, the corresponding argument is left unchanged.
*/
static int
XParseGeometry (char *string,
int *x, int *y,
unsigned int *width, unsigned int *height)
{
int mask = NoValue;
char *strind;
unsigned long tempWidth, tempHeight;
long int tempX, tempY;
char *nextCharacter;
if (string == NULL || *string == '\0')
return mask;
if (*string == '=')
string++; /* ignore possible '=' at beg of geometry spec */
strind = string;
if (*strind != '+' && *strind != '-' && *strind != 'x')
{
tempWidth = strtoul (strind, &nextCharacter, 10);
if (strind == nextCharacter)
return 0;
strind = nextCharacter;
mask |= WidthValue;
}
if (*strind == 'x' || *strind == 'X')
{
strind++;
tempHeight = strtoul (strind, &nextCharacter, 10);
if (strind == nextCharacter)
return 0;
strind = nextCharacter;
mask |= HeightValue;
}
if (*strind == '+' || *strind == '-')
{
if (*strind == '-')
mask |= XNegative;
tempX = strtol (strind, &nextCharacter, 10);
if (strind == nextCharacter)
return 0;
strind = nextCharacter;
mask |= XValue;
if (*strind == '+' || *strind == '-')
{
if (*strind == '-')
mask |= YNegative;
tempY = strtol (strind, &nextCharacter, 10);
if (strind == nextCharacter)
return 0;
strind = nextCharacter;
mask |= YValue;
}
}
/* If strind isn't at the end of the string then it's an invalid
geometry specification. */
if (*strind != '\0')
return 0;
if (mask & XValue)
*x = clip_to_bounds (INT_MIN, tempX, INT_MAX);
if (mask & YValue)
*y = clip_to_bounds (INT_MIN, tempY, INT_MAX);
if (mask & WidthValue)
*width = min (tempWidth, UINT_MAX);
if (mask & HeightValue)
*height = min (tempHeight, UINT_MAX);
return mask;
}
#endif /* !defined (HAVE_X_WINDOWS) && defined (NoValue) */
\f
/* NS used to define x-parse-geometry in ns-win.el, but that confused
make-docfile: the documentation string in ns-win.el was used for
x-parse-geometry even in non-NS builds.
With two definitions of x-parse-geometry in this file, various
things still get confused (eg M-x apropos documentation), so that
it is best if the two definitions just share the same doc-string.
*/
DEFUN ("x-parse-geometry", Fx_parse_geometry, Sx_parse_geometry, 1, 1, 0,
doc: /* Parse a display geometry string STRING.
Returns an alist of the form ((top . TOP), (left . LEFT) ... ).
The properties returned may include `top', `left', `height', and `width'.
For X, the value of `left' or `top' may be an integer,
or a list (+ N) meaning N pixels relative to top/left corner,
or a list (- N) meaning -N pixels relative to bottom/right corner.
On Nextstep, this just calls `ns-parse-geometry'. */)
(Lisp_Object string)
{
int geometry, x, y;
unsigned int width, height;
Lisp_Object result;
CHECK_STRING (string);
#ifdef HAVE_NS
if (strchr (SSDATA (string), ' ') != NULL)
return call1 (Qns_parse_geometry, string);
#endif
geometry = XParseGeometry (SSDATA (string),
&x, &y, &width, &height);
result = Qnil;
if (geometry & XValue)
{
Lisp_Object element;
if (x >= 0 && (geometry & XNegative))
element = list3 (Qleft, Qminus, make_number (-x));
else if (x < 0 && ! (geometry & XNegative))
element = list3 (Qleft, Qplus, make_number (x));
else
element = Fcons (Qleft, make_number (x));
result = Fcons (element, result);
}
if (geometry & YValue)
{
Lisp_Object element;
if (y >= 0 && (geometry & YNegative))
element = list3 (Qtop, Qminus, make_number (-y));
else if (y < 0 && ! (geometry & YNegative))
element = list3 (Qtop, Qplus, make_number (y));
else
element = Fcons (Qtop, make_number (y));
result = Fcons (element, result);
}
if (geometry & WidthValue)
result = Fcons (Fcons (Qwidth, make_number (width)), result);
if (geometry & HeightValue)
result = Fcons (Fcons (Qheight, make_number (height)), result);
return result;
}
/* Calculate the desired size and position of frame F.
Return the flags saying which aspects were specified.
Also set the win_gravity and size_hint_flags of F.
Adjust height for toolbar if TOOLBAR_P is 1.
This function does not make the coordinates positive. */
#define DEFAULT_ROWS 35
#define DEFAULT_COLS 80
long
x_figure_window_size (struct frame *f, Lisp_Object parms, bool toolbar_p, int *x_width, int *x_height)
{
Lisp_Object height, width, user_size, top, left, user_position;
long window_prompting = 0;
Display_Info *dpyinfo = FRAME_DISPLAY_INFO (f);
/* Default values if we fall through.
Actually, if that happens we should get
window manager prompting. */
SET_FRAME_WIDTH (f, DEFAULT_COLS * FRAME_COLUMN_WIDTH (f));
SET_FRAME_COLS (f, DEFAULT_COLS);
SET_FRAME_HEIGHT (f, DEFAULT_ROWS * FRAME_LINE_HEIGHT (f));
SET_FRAME_LINES (f, DEFAULT_ROWS);
/* Window managers expect that if program-specified
positions are not (0,0), they're intentional, not defaults. */
f->top_pos = 0;
f->left_pos = 0;
/* Calculate a tool bar height so that the user gets a text display
area of the size he specified with -g or via .Xdefaults. Later
changes of the tool bar height don't change the frame size. This
is done so that users can create tall Emacs frames without having
to guess how tall the tool bar will get. */
if (toolbar_p && FRAME_TOOL_BAR_LINES (f))
{
if (frame_default_tool_bar_height)
FRAME_TOOL_BAR_HEIGHT (f) = frame_default_tool_bar_height;
else
{
int margin, relief;
relief = (tool_bar_button_relief >= 0
? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF);
if (RANGED_INTEGERP (1, Vtool_bar_button_margin, INT_MAX))
margin = XFASTINT (Vtool_bar_button_margin);
else if (CONSP (Vtool_bar_button_margin)
&& RANGED_INTEGERP (1, XCDR (Vtool_bar_button_margin), INT_MAX))
margin = XFASTINT (XCDR (Vtool_bar_button_margin));
else
margin = 0;
FRAME_TOOL_BAR_HEIGHT (f)
= DEFAULT_TOOL_BAR_IMAGE_HEIGHT + 2 * margin + 2 * relief;
}
}
/* Ensure that earlier new_width and new_height settings won't
override what we specify below. */
f->new_width = f->new_height = 0;
height = x_get_arg (dpyinfo, parms, Qheight, 0, 0, RES_TYPE_NUMBER);
width = x_get_arg (dpyinfo, parms, Qwidth, 0, 0, RES_TYPE_NUMBER);
if (!EQ (width, Qunbound) || !EQ (height, Qunbound))
{
if (!EQ (width, Qunbound))
{
if (CONSP (width) && EQ (XCAR (width), Qtext_pixels))
{
CHECK_NUMBER (XCDR (width));
if ((XINT (XCDR (width)) < 0 || XINT (XCDR (width)) > INT_MAX))
xsignal1 (Qargs_out_of_range, XCDR (width));
SET_FRAME_WIDTH (f, XINT (XCDR (width)));
f->inhibit_horizontal_resize = true;
*x_width = XINT (XCDR (width));
}
else
{
CHECK_NUMBER (width);
if ((XINT (width) < 0 || XINT (width) > INT_MAX))
xsignal1 (Qargs_out_of_range, width);
SET_FRAME_WIDTH (f, XINT (width) * FRAME_COLUMN_WIDTH (f));
}
}
if (!EQ (height, Qunbound))
{
if (CONSP (height) && EQ (XCAR (height), Qtext_pixels))
{
CHECK_NUMBER (XCDR (height));
if ((XINT (XCDR (height)) < 0 || XINT (XCDR (height)) > INT_MAX))
xsignal1 (Qargs_out_of_range, XCDR (height));
SET_FRAME_HEIGHT (f, XINT (XCDR (height)));
f->inhibit_vertical_resize = true;
*x_height = XINT (XCDR (height));
}
else
{
CHECK_NUMBER (height);
if ((XINT (height) < 0) || (XINT (height) > INT_MAX))
xsignal1 (Qargs_out_of_range, height);
SET_FRAME_HEIGHT (f, XINT (height) * FRAME_LINE_HEIGHT (f));
}
}
user_size = x_get_arg (dpyinfo, parms, Quser_size, 0, 0, RES_TYPE_NUMBER);
if (!NILP (user_size) && !EQ (user_size, Qunbound))
window_prompting |= USSize;
else
window_prompting |= PSize;
}
top = x_get_arg (dpyinfo, parms, Qtop, 0, 0, RES_TYPE_NUMBER);
left = x_get_arg (dpyinfo, parms, Qleft, 0, 0, RES_TYPE_NUMBER);
user_position = x_get_arg (dpyinfo, parms, Quser_position, 0, 0, RES_TYPE_NUMBER);
if (! EQ (top, Qunbound) || ! EQ (left, Qunbound))
{
if (EQ (top, Qminus))
{
f->top_pos = 0;
window_prompting |= YNegative;
}
else if (CONSP (top) && EQ (XCAR (top), Qminus)
&& CONSP (XCDR (top))
&& RANGED_INTEGERP (-INT_MAX, XCAR (XCDR (top)), INT_MAX))
{
f->top_pos = - XINT (XCAR (XCDR (top)));
window_prompting |= YNegative;
}
else if (CONSP (top) && EQ (XCAR (top), Qplus)
&& CONSP (XCDR (top))
&& TYPE_RANGED_INTEGERP (int, XCAR (XCDR (top))))
{
f->top_pos = XINT (XCAR (XCDR (top)));
}
else if (EQ (top, Qunbound))
f->top_pos = 0;
else
{
CHECK_TYPE_RANGED_INTEGER (int, top);
f->top_pos = XINT (top);
if (f->top_pos < 0)
window_prompting |= YNegative;
}
if (EQ (left, Qminus))
{
f->left_pos = 0;
window_prompting |= XNegative;
}
else if (CONSP (left) && EQ (XCAR (left), Qminus)
&& CONSP (XCDR (left))
&& RANGED_INTEGERP (-INT_MAX, XCAR (XCDR (left)), INT_MAX))
{
f->left_pos = - XINT (XCAR (XCDR (left)));
window_prompting |= XNegative;
}
else if (CONSP (left) && EQ (XCAR (left), Qplus)
&& CONSP (XCDR (left))
&& TYPE_RANGED_INTEGERP (int, XCAR (XCDR (left))))
{
f->left_pos = XINT (XCAR (XCDR (left)));
}
else if (EQ (left, Qunbound))
f->left_pos = 0;
else
{
CHECK_TYPE_RANGED_INTEGER (int, left);
f->left_pos = XINT (left);
if (f->left_pos < 0)
window_prompting |= XNegative;
}
if (!NILP (user_position) && ! EQ (user_position, Qunbound))
window_prompting |= USPosition;
else
window_prompting |= PPosition;
}
if (window_prompting & XNegative)
{
if (window_prompting & YNegative)
f->win_gravity = SouthEastGravity;
else
f->win_gravity = NorthEastGravity;
}
else
{
if (window_prompting & YNegative)
f->win_gravity = SouthWestGravity;
else
f->win_gravity = NorthWestGravity;
}
f->size_hint_flags = window_prompting;
return window_prompting;
}
#endif /* HAVE_WINDOW_SYSTEM */
void
frame_make_pointer_invisible (struct frame *f)
{
if (! NILP (Vmake_pointer_invisible))
{
if (f && FRAME_LIVE_P (f) && !f->pointer_invisible
&& FRAME_TERMINAL (f)->toggle_invisible_pointer_hook)
{
f->mouse_moved = 0;
FRAME_TERMINAL (f)->toggle_invisible_pointer_hook (f, 1);
f->pointer_invisible = 1;
}
}
}
void
frame_make_pointer_visible (struct frame *f)
{
/* We don't check Vmake_pointer_invisible here in case the
pointer was invisible when Vmake_pointer_invisible was set to nil. */
if (f && FRAME_LIVE_P (f) && f->pointer_invisible && f->mouse_moved
&& FRAME_TERMINAL (f)->toggle_invisible_pointer_hook)
{
FRAME_TERMINAL (f)->toggle_invisible_pointer_hook (f, 0);
f->pointer_invisible = 0;
}
}
DEFUN ("frame-pointer-visible-p", Fframe_pointer_visible_p,
Sframe_pointer_visible_p, 0, 1, 0,
doc: /* Return t if the mouse pointer displayed on FRAME is visible.
Otherwise it returns nil. FRAME omitted or nil means the
selected frame. This is useful when `make-pointer-invisible' is set. */)
(Lisp_Object frame)
{
return decode_any_frame (frame)->pointer_invisible ? Qnil : Qt;
}
\f
/***********************************************************************
Multimonitor data
***********************************************************************/
#ifdef HAVE_WINDOW_SYSTEM
# if (defined HAVE_NS \
|| (!defined USE_GTK && (defined HAVE_XINERAMA || defined HAVE_XRANDR)))
void
free_monitors (struct MonitorInfo *monitors, int n_monitors)
{
int i;
for (i = 0; i < n_monitors; ++i)
xfree (monitors[i].name);
xfree (monitors);
}
# endif
Lisp_Object
make_monitor_attribute_list (struct MonitorInfo *monitors,
int n_monitors,
int primary_monitor,
Lisp_Object monitor_frames,
const char *source)
{
Lisp_Object attributes_list = Qnil;
Lisp_Object primary_monitor_attributes = Qnil;
int i;
for (i = 0; i < n_monitors; ++i)
{
Lisp_Object geometry, workarea, attributes = Qnil;
struct MonitorInfo *mi = &monitors[i];
if (mi->geom.width == 0) continue;
workarea = list4i (mi->work.x, mi->work.y,
mi->work.width, mi->work.height);
geometry = list4i (mi->geom.x, mi->geom.y,
mi->geom.width, mi->geom.height);
attributes = Fcons (Fcons (Qsource, build_string (source)),
attributes);
attributes = Fcons (Fcons (Qframes, AREF (monitor_frames, i)),
attributes);
attributes = Fcons (Fcons (Qmm_size,
list2i (mi->mm_width, mi->mm_height)),
attributes);
attributes = Fcons (Fcons (Qworkarea, workarea), attributes);
attributes = Fcons (Fcons (Qgeometry, geometry), attributes);
if (mi->name)
attributes = Fcons (Fcons (Qname, make_string (mi->name,
strlen (mi->name))),
attributes);
if (i == primary_monitor)
primary_monitor_attributes = attributes;
else
attributes_list = Fcons (attributes, attributes_list);
}
if (!NILP (primary_monitor_attributes))
attributes_list = Fcons (primary_monitor_attributes, attributes_list);
return attributes_list;
}
#endif /* HAVE_WINDOW_SYSTEM */
\f
/***********************************************************************
Initialization
***********************************************************************/
void
syms_of_frame (void)
{
DEFSYM (Qframep, "framep");
DEFSYM (Qframe_live_p, "frame-live-p");
DEFSYM (Qframe_windows_min_size, "frame-windows-min-size");
DEFSYM (Qwindow_pixel_to_total, "window--pixel-to-total");
DEFSYM (Qexplicit_name, "explicit-name");
DEFSYM (Qheight, "height");
DEFSYM (Qicon, "icon");
DEFSYM (Qminibuffer, "minibuffer");
DEFSYM (Qmodeline, "modeline");
DEFSYM (Qonly, "only");
DEFSYM (Qnone, "none");
DEFSYM (Qwidth, "width");
DEFSYM (Qtext_pixels, "text-pixels");
DEFSYM (Qgeometry, "geometry");
DEFSYM (Qicon_left, "icon-left");
DEFSYM (Qicon_top, "icon-top");
DEFSYM (Qtooltip, "tooltip");
DEFSYM (Quser_position, "user-position");
DEFSYM (Quser_size, "user-size");
DEFSYM (Qwindow_id, "window-id");
#ifdef HAVE_X_WINDOWS
DEFSYM (Qouter_window_id, "outer-window-id");
#endif
DEFSYM (Qparent_id, "parent-id");
DEFSYM (Qx, "x");
DEFSYM (Qw32, "w32");
DEFSYM (Qpc, "pc");
DEFSYM (Qns, "ns");
DEFSYM (Qvisible, "visible");
DEFSYM (Qbuffer_predicate, "buffer-predicate");
DEFSYM (Qbuffer_list, "buffer-list");
DEFSYM (Qburied_buffer_list, "buried-buffer-list");
DEFSYM (Qdisplay_type, "display-type");
DEFSYM (Qbackground_mode, "background-mode");
DEFSYM (Qnoelisp, "noelisp");
DEFSYM (Qtty_color_mode, "tty-color-mode");
DEFSYM (Qtty, "tty");
DEFSYM (Qtty_type, "tty-type");
DEFSYM (Qface_set_after_frame_default, "face-set-after-frame-default");
DEFSYM (Qfullwidth, "fullwidth");
DEFSYM (Qfullheight, "fullheight");
DEFSYM (Qfullboth, "fullboth");
DEFSYM (Qmaximized, "maximized");
DEFSYM (Qx_resource_name, "x-resource-name");
DEFSYM (Qx_frame_parameter, "x-frame-parameter");
DEFSYM (Qterminal, "terminal");
DEFSYM (Qworkarea, "workarea");
DEFSYM (Qmm_size, "mm-size");
DEFSYM (Qframes, "frames");
DEFSYM (Qsource, "source");
DEFSYM (Qouter_edges, "outer-edges");
DEFSYM (Qouter_position, "outer-position");
DEFSYM (Qouter_size, "outer-size");
DEFSYM (Qnative_edges, "native-edges");
DEFSYM (Qinner_edges, "inner-edges");
DEFSYM (Qexternal_border_size, "external-border-size");
DEFSYM (Qtitle_bar_size, "title-bar-size");
DEFSYM (Qmenu_bar_external, "menu-bar-external");
DEFSYM (Qmenu_bar_size, "menu-bar-size");
DEFSYM (Qtool_bar_external, "tool-bar-external");
DEFSYM (Qtool_bar_size, "tool-bar-size");
/* The following are used for frame_size_history. */
DEFSYM (Qadjust_frame_size_1, "adjust-frame-size-1");
DEFSYM (Qadjust_frame_size_2, "adjust-frame-size-2");
DEFSYM (Qadjust_frame_size_3, "adjust-frame-size-3");
DEFSYM (Qx_set_frame_parameters, "x-set-frame-parameters");
DEFSYM (QEmacsFrameResize, "EmacsFrameResize");
DEFSYM (Qset_frame_size, "set-frame-size");
DEFSYM (Qframe_inhibit_resize, "frame-inhibit-resize");
DEFSYM (Qx_set_fullscreen, "x-set-fullscreen");
DEFSYM (Qx_check_fullscreen, "x-check-fullscreen");
DEFSYM (Qxg_frame_resized, "xg-frame-resized");
DEFSYM (Qxg_frame_set_char_size_1, "xg-frame-set-char-size-1");
DEFSYM (Qxg_frame_set_char_size_2, "xg-frame-set-char-size-2");
DEFSYM (Qxg_frame_set_char_size_3, "xg-frame-set-char-size-3");
DEFSYM (Qx_set_window_size_1, "x-set-window-size-1");
DEFSYM (Qx_set_window_size_2, "x-set-window-size-2");
DEFSYM (Qx_set_window_size_3, "x-set-window-size-3");
DEFSYM (Qxg_change_toolbar_position, "xg-change-toolbar-position");
DEFSYM (Qx_net_wm_state, "x-net-wm-state");
DEFSYM (Qx_handle_net_wm_state, "x-handle-net-wm-state");
DEFSYM (Qtb_size_cb, "tb-size-cb");
DEFSYM (Qupdate_frame_tool_bar, "update-frame-tool-bar");
DEFSYM (Qfree_frame_tool_bar, "free-frame-tool-bar");
DEFSYM (Qx_set_menu_bar_lines, "x-set-menu-bar-lines");
DEFSYM (Qchange_frame_size, "change-frame-size");
DEFSYM (Qxg_frame_set_char_size, "xg-frame-set-char-size");
DEFSYM (Qset_window_configuration, "set-window-configuration");
DEFSYM (Qx_create_frame_1, "x-create-frame-1");
DEFSYM (Qx_create_frame_2, "x-create-frame-2");
DEFSYM (Qterminal_frame, "terminal-frame");
#ifdef HAVE_NS
DEFSYM (Qns_parse_geometry, "ns-parse-geometry");
#endif
DEFSYM (Qalpha, "alpha");
DEFSYM (Qauto_lower, "auto-lower");
DEFSYM (Qauto_raise, "auto-raise");
DEFSYM (Qborder_color, "border-color");
DEFSYM (Qborder_width, "border-width");
DEFSYM (Qbottom_divider_width, "bottom-divider-width");
DEFSYM (Qcursor_color, "cursor-color");
DEFSYM (Qcursor_type, "cursor-type");
DEFSYM (Qfont_backend, "font-backend");
DEFSYM (Qfullscreen, "fullscreen");
DEFSYM (Qhorizontal_scroll_bars, "horizontal-scroll-bars");
DEFSYM (Qicon_name, "icon-name");
DEFSYM (Qicon_type, "icon-type");
DEFSYM (Qinternal_border_width, "internal-border-width");
DEFSYM (Qleft_fringe, "left-fringe");
DEFSYM (Qline_spacing, "line-spacing");
DEFSYM (Qmenu_bar_lines, "menu-bar-lines");
DEFSYM (Qupdate_frame_menubar, "update-frame-menubar");
DEFSYM (Qfree_frame_menubar_1, "free-frame-menubar-1");
DEFSYM (Qfree_frame_menubar_2, "free-frame-menubar-2");
DEFSYM (Qmouse_color, "mouse-color");
DEFSYM (Qname, "name");
DEFSYM (Qright_divider_width, "right-divider-width");
DEFSYM (Qright_fringe, "right-fringe");
DEFSYM (Qscreen_gamma, "screen-gamma");
DEFSYM (Qscroll_bar_background, "scroll-bar-background");
DEFSYM (Qscroll_bar_foreground, "scroll-bar-foreground");
DEFSYM (Qscroll_bar_height, "scroll-bar-height");
DEFSYM (Qscroll_bar_width, "scroll-bar-width");
DEFSYM (Qsticky, "sticky");
DEFSYM (Qtitle, "title");
DEFSYM (Qtool_bar_lines, "tool-bar-lines");
DEFSYM (Qtool_bar_position, "tool-bar-position");
DEFSYM (Qunsplittable, "unsplittable");
DEFSYM (Qvertical_scroll_bars, "vertical-scroll-bars");
DEFSYM (Qvisibility, "visibility");
DEFSYM (Qwait_for_wm, "wait-for-wm");
{
int i;
for (i = 0; i < ARRAYELTS (frame_parms); i++)
{
Lisp_Object v = (frame_parms[i].sym < 0
? intern_c_string (frame_parms[i].name)
: builtin_lisp_symbol (frame_parms[i].sym));
Fput (v, Qx_frame_parameter, make_number (i));
}
}
#ifdef HAVE_WINDOW_SYSTEM
DEFVAR_LISP ("x-resource-name", Vx_resource_name,
doc: /* The name Emacs uses to look up X resources.
`x-get-resource' uses this as the first component of the instance name
when requesting resource values.
Emacs initially sets `x-resource-name' to the name under which Emacs
was invoked, or to the value specified with the `-name' or `-rn'
switches, if present.
It may be useful to bind this variable locally around a call
to `x-get-resource'. See also the variable `x-resource-class'. */);
Vx_resource_name = Qnil;
DEFVAR_LISP ("x-resource-class", Vx_resource_class,
doc: /* The class Emacs uses to look up X resources.
`x-get-resource' uses this as the first component of the instance class
when requesting resource values.
Emacs initially sets `x-resource-class' to "Emacs".
Setting this variable permanently is not a reasonable thing to do,
but binding this variable locally around a call to `x-get-resource'
is a reasonable practice. See also the variable `x-resource-name'. */);
Vx_resource_class = build_string (EMACS_CLASS);
DEFVAR_LISP ("frame-alpha-lower-limit", Vframe_alpha_lower_limit,
doc: /* The lower limit of the frame opacity (alpha transparency).
The value should range from 0 (invisible) to 100 (completely opaque).
You can also use a floating number between 0.0 and 1.0. */);
Vframe_alpha_lower_limit = make_number (20);
#endif
DEFVAR_LISP ("default-frame-alist", Vdefault_frame_alist,
doc: /* Alist of default values for frame creation.
These may be set in your init file, like this:
(setq default-frame-alist \\='((width . 80) (height . 55) (menu-bar-lines . 1)))
These override values given in window system configuration data,
including X Windows' defaults database.
For values specific to the first Emacs frame, see `initial-frame-alist'.
For window-system specific values, see `window-system-default-frame-alist'.
For values specific to the separate minibuffer frame, see
`minibuffer-frame-alist'.
The `menu-bar-lines' element of the list controls whether new frames
have menu bars; `menu-bar-mode' works by altering this element.
Setting this variable does not affect existing frames, only new ones. */);
Vdefault_frame_alist = Qnil;
DEFVAR_LISP ("default-frame-scroll-bars", Vdefault_frame_scroll_bars,
doc: /* Default position of vertical scroll bars on this window-system. */);
#ifdef HAVE_WINDOW_SYSTEM
#if defined (HAVE_NTGUI) || defined (NS_IMPL_COCOA) || (defined (USE_GTK) && defined (USE_TOOLKIT_SCROLL_BARS))
/* MS-Windows, Mac OS X, and GTK have scroll bars on the right by
default. */
Vdefault_frame_scroll_bars = Qright;
#else
Vdefault_frame_scroll_bars = Qleft;
#endif
#else
Vdefault_frame_scroll_bars = Qnil;
#endif
DEFVAR_BOOL ("scroll-bar-adjust-thumb-portion",
scroll_bar_adjust_thumb_portion_p,
doc: /* Adjust thumb for overscrolling for Gtk+ and MOTIF.
Non-nil means adjust the thumb in the scroll bar so it can be dragged downwards
even if the end of the buffer is shown (i.e. overscrolling).
Set to nil if you want the thumb to be at the bottom when the end of the buffer
is shown. Also, the thumb fills the whole scroll bar when the entire buffer
is visible. In this case you can not overscroll. */);
scroll_bar_adjust_thumb_portion_p = 1;
DEFVAR_LISP ("terminal-frame", Vterminal_frame,
doc: /* The initial frame-object, which represents Emacs's stdout. */);
DEFVAR_LISP ("mouse-position-function", Vmouse_position_function,
doc: /* If non-nil, function to transform normal value of `mouse-position'.
`mouse-position' and `mouse-pixel-position' call this function, passing their
usual return value as argument, and return whatever this function returns.
This abnormal hook exists for the benefit of packages like `xt-mouse.el'
which need to do mouse handling at the Lisp level. */);
Vmouse_position_function = Qnil;
DEFVAR_LISP ("mouse-highlight", Vmouse_highlight,
doc: /* If non-nil, clickable text is highlighted when mouse is over it.
If the value is an integer, highlighting is only shown after moving the
mouse, while keyboard input turns off the highlight even when the mouse
is over the clickable text. However, the mouse shape still indicates
when the mouse is over clickable text. */);
Vmouse_highlight = Qt;
DEFVAR_LISP ("make-pointer-invisible", Vmake_pointer_invisible,
doc: /* If non-nil, make pointer invisible while typing.
The pointer becomes visible again when the mouse is moved. */);
Vmake_pointer_invisible = Qt;
DEFVAR_LISP ("focus-in-hook", Vfocus_in_hook,
doc: /* Normal hook run when a frame gains input focus. */);
Vfocus_in_hook = Qnil;
DEFVAR_LISP ("focus-out-hook", Vfocus_out_hook,
doc: /* Normal hook run when a frame loses input focus. */);
Vfocus_out_hook = Qnil;
DEFVAR_LISP ("delete-frame-functions", Vdelete_frame_functions,
doc: /* Functions run before deleting a frame.
The functions are run with one arg, the frame to be deleted.
See `delete-frame'.
Note that functions in this list may be called just before the frame is
actually deleted, or some time later (or even both when an earlier function
in `delete-frame-functions' (indirectly) calls `delete-frame'
recursively). */);
Vdelete_frame_functions = Qnil;
DEFSYM (Qdelete_frame_functions, "delete-frame-functions");
DEFVAR_LISP ("menu-bar-mode", Vmenu_bar_mode,
doc: /* Non-nil if Menu-Bar mode is enabled.
See the command `menu-bar-mode' for a description of this minor mode.
Setting this variable directly does not take effect;
either customize it (see the info node `Easy Customization')
or call the function `menu-bar-mode'. */);
Vmenu_bar_mode = Qt;
DEFVAR_LISP ("tool-bar-mode", Vtool_bar_mode,
doc: /* Non-nil if Tool-Bar mode is enabled.
See the command `tool-bar-mode' for a description of this minor mode.
Setting this variable directly does not take effect;
either customize it (see the info node `Easy Customization')
or call the function `tool-bar-mode'. */);
#ifdef HAVE_WINDOW_SYSTEM
Vtool_bar_mode = Qt;
#else
Vtool_bar_mode = Qnil;
#endif
DEFVAR_KBOARD ("default-minibuffer-frame", Vdefault_minibuffer_frame,
doc: /* Minibufferless frames use this frame's minibuffer.
Emacs cannot create minibufferless frames unless this is set to an
appropriate surrogate.
Emacs consults this variable only when creating minibufferless
frames; once the frame is created, it sticks with its assigned
minibuffer, no matter what this variable is set to. This means that
this variable doesn't necessarily say anything meaningful about the
current set of frames, or where the minibuffer is currently being
displayed.
This variable is local to the current terminal and cannot be buffer-local. */);
DEFVAR_BOOL ("focus-follows-mouse", focus_follows_mouse,
doc: /* Non-nil if window system changes focus when you move the mouse.
You should set this variable to tell Emacs how your window manager
handles focus, since there is no way in general for Emacs to find out
automatically. See also `mouse-autoselect-window'. */);
focus_follows_mouse = 0;
DEFVAR_BOOL ("frame-resize-pixelwise", frame_resize_pixelwise,
doc: /* Non-nil means resize frames pixelwise.
If this option is nil, resizing a frame rounds its sizes to the frame's
current values of `frame-char-height' and `frame-char-width'. If this
is non-nil, no rounding occurs, hence frame sizes can increase/decrease
by one pixel.
With some window managers you may have to set this to non-nil in order
to set the size of a frame in pixels, to maximize frames or to make them
fullscreen. To resize your initial frame pixelwise, set this option to
a non-nil value in your init file. */);
frame_resize_pixelwise = 0;
DEFVAR_LISP ("frame-inhibit-implied-resize", frame_inhibit_implied_resize,
doc: /* Whether frames should be resized implicitly.
If this option is nil, setting font, menu bar, tool bar, internal
borders, fringes or scroll bars of a specific frame may resize the frame
in order to preserve the number of columns or lines it displays. If
this option is t, no such resizing is done. Note that the size of
fullscreen and maximized frames, the height of fullheight frames and the
width of fullwidth frames never change implicitly.
The value of this option can be also be a list of frame parameters. In
this case, resizing is inhibited when changing a parameter that appears
in that list. The parameters currently handled by this option include
`font', `font-backend', `internal-border-width', `menu-bar-lines' and
`tool-bar-lines'.
Changing any of the parameters `scroll-bar-width', `scroll-bar-height',
`vertical-scroll-bars', `horizontal-scroll-bars', `left-fringe' and
`right-fringe' is handled as if the frame contained just one live
window. This means, for example, that removing vertical scroll bars on
a frame containing several side by side windows will shrink the frame
width by the width of one scroll bar provided this option is nil and
keep it unchanged if this option is either t or a list containing
`vertical-scroll-bars'.
The default value is \\='(tool-bar-lines) on Lucid, Motif and Windows
\(which means that adding/removing a tool bar does not change the frame
height), nil on all other window systems including GTK+ (which means
that changing any of the parameters listed above may change the size of
the frame), and t otherwise (which means the frame size never changes
implicitly when there's no window system support).
Note that when a frame is not large enough to accommodate a change of
any of the parameters listed above, Emacs may try to enlarge the frame
even if this option is non-nil. */);
#if defined (HAVE_WINDOW_SYSTEM)
#if defined (USE_LUCID) || defined (USE_MOTIF) || defined (HAVE_NTGUI)
frame_inhibit_implied_resize = list1 (Qtool_bar_lines);
#else
frame_inhibit_implied_resize = Qnil;
#endif
#else
frame_inhibit_implied_resize = Qt;
#endif
DEFVAR_LISP ("frame-size-history", frame_size_history,
doc: /* History of frame size adjustments.
If non-nil, list recording frame size adjustment. Adjustments are
recorded only if the first element of this list is a positive number.
Adding an adjustment decrements that number by one.
The remaining elements are the adjustments. Each adjustment is a list
of four elements `frame', `function', `sizes' and `more'. `frame' is
the affected frame and `function' the invoking function. `sizes' is
usually a list of four elements `old-width', `old-height', `new-width'
and `new-height' representing the old and new sizes recorded/requested
by `function'. `more' is a list with additional information.
The function `frame--size-history' displays the value of this variable
in a more readable form. */);
frame_size_history = Qnil;
staticpro (&Vframe_list);
defsubr (&Sframep);
defsubr (&Sframe_live_p);
defsubr (&Swindow_system);
defsubr (&Sframe_windows_min_size);
defsubr (&Smake_terminal_frame);
defsubr (&Shandle_switch_frame);
defsubr (&Sselect_frame);
defsubr (&Sselected_frame);
defsubr (&Sframe_list);
defsubr (&Snext_frame);
defsubr (&Sprevious_frame);
defsubr (&Slast_nonminibuf_frame);
defsubr (&Sdelete_frame);
defsubr (&Smouse_position);
defsubr (&Smouse_pixel_position);
defsubr (&Sset_mouse_position);
defsubr (&Sset_mouse_pixel_position);
#if 0
defsubr (&Sframe_configuration);
defsubr (&Srestore_frame_configuration);
#endif
defsubr (&Smake_frame_visible);
defsubr (&Smake_frame_invisible);
defsubr (&Siconify_frame);
defsubr (&Sframe_visible_p);
defsubr (&Svisible_frame_list);
defsubr (&Sraise_frame);
defsubr (&Slower_frame);
defsubr (&Sx_focus_frame);
defsubr (&Sframe_after_make_frame);
defsubr (&Sredirect_frame_focus);
defsubr (&Sframe_focus);
defsubr (&Sframe_parameters);
defsubr (&Sframe_parameter);
defsubr (&Smodify_frame_parameters);
defsubr (&Sframe_char_height);
defsubr (&Sframe_char_width);
defsubr (&Sframe_pixel_height);
defsubr (&Sframe_pixel_width);
defsubr (&Sframe_text_cols);
defsubr (&Sframe_text_lines);
defsubr (&Sframe_total_cols);
defsubr (&Sframe_total_lines);
defsubr (&Sframe_text_width);
defsubr (&Sframe_text_height);
defsubr (&Sscroll_bar_width);
defsubr (&Sscroll_bar_height);
defsubr (&Sfringe_width);
defsubr (&Sborder_width);
defsubr (&Sright_divider_width);
defsubr (&Sbottom_divider_width);
defsubr (&Stool_bar_pixel_width);
defsubr (&Sset_frame_height);
defsubr (&Sset_frame_width);
defsubr (&Sset_frame_size);
defsubr (&Sframe_position);
defsubr (&Sset_frame_position);
defsubr (&Sframe_pointer_visible_p);
#ifdef HAVE_WINDOW_SYSTEM
defsubr (&Sx_get_resource);
defsubr (&Sx_parse_geometry);
#endif
}
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