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| | /* Define frame-object for GNU Emacs.
Copyright (C) 1993-1994, 1999-2021 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
#ifndef EMACS_FRAME_H
#define EMACS_FRAME_H
#include "termhooks.h"
#include "window.h"
INLINE_HEADER_BEGIN
enum vertical_scroll_bar_type
{
vertical_scroll_bar_none,
vertical_scroll_bar_left,
vertical_scroll_bar_right
};
#ifdef HAVE_WINDOW_SYSTEM
enum fullscreen_type
{
FULLSCREEN_NONE,
FULLSCREEN_WIDTH = 0x1,
FULLSCREEN_HEIGHT = 0x2,
FULLSCREEN_BOTH = 0x3, /* Not a typo but means "width and height". */
FULLSCREEN_MAXIMIZED = 0x4,
#ifdef HAVE_NTGUI
FULLSCREEN_WAIT = 0x8
#endif
};
enum z_group
{
z_group_none,
z_group_above,
z_group_below,
z_group_above_suspended,
};
enum internal_border_part
{
INTERNAL_BORDER_NONE,
INTERNAL_BORDER_LEFT_EDGE,
INTERNAL_BORDER_TOP_LEFT_CORNER,
INTERNAL_BORDER_TOP_EDGE,
INTERNAL_BORDER_TOP_RIGHT_CORNER,
INTERNAL_BORDER_RIGHT_EDGE,
INTERNAL_BORDER_BOTTOM_RIGHT_CORNER,
INTERNAL_BORDER_BOTTOM_EDGE,
INTERNAL_BORDER_BOTTOM_LEFT_CORNER,
};
#ifdef NS_IMPL_COCOA
enum ns_appearance_type
{
ns_appearance_system_default,
ns_appearance_aqua,
ns_appearance_vibrant_dark
};
#endif
#endif /* HAVE_WINDOW_SYSTEM */
/* The structure representing a frame. */
struct frame
{
union vectorlike_header header;
/* All Lisp_Object components must come first.
That ensures they are all aligned normally. */
/* Name of this frame: a Lisp string. It is used for looking up resources,
as well as for the title in some cases. */
Lisp_Object name;
/* The name to use for the icon, the last time
it was refreshed. nil means not explicitly specified. */
Lisp_Object icon_name;
/* This is the frame title specified explicitly, if any.
Usually it is nil. */
Lisp_Object title;
#if defined (HAVE_WINDOW_SYSTEM)
/* This frame's parent frame, if it has one. */
Lisp_Object parent_frame;
#endif /* HAVE_WINDOW_SYSTEM */
/* The frame which should receive keystrokes that occur in this
frame, or nil if they should go to the frame itself. This is
usually nil, but if the frame is minibufferless, we can use this
to redirect keystrokes to a surrogate minibuffer frame when
needed.
Note that a value of nil is different from having the field point
to the frame itself. Whenever the Fselect_frame function is used
to shift from one frame to the other, any redirections to the
original frame are shifted to the newly selected frame; if
focus_frame is nil, Fselect_frame will leave it alone. */
Lisp_Object focus_frame;
/* This frame's root window. Every frame has one.
If the frame has only a minibuffer window, this is it.
Otherwise, if the frame has a minibuffer window, this is its sibling. */
Lisp_Object root_window;
/* This frame's selected window.
Each frame has its own window hierarchy
and one of the windows in it is selected within the frame.
The selected window of the selected frame is Emacs's selected window. */
Lisp_Object selected_window;
/* This frame's selected window when run_window_change_functions was
called the last time on this frame. */
Lisp_Object old_selected_window;
/* This frame's minibuffer window.
Most frames have their own minibuffer windows,
but only the selected frame's minibuffer window
can actually appear to exist. */
Lisp_Object minibuffer_window;
/* Parameter alist of this frame.
These are the parameters specified when creating the frame
or modified with modify-frame-parameters. */
Lisp_Object param_alist;
/* List of scroll bars on this frame.
Actually, we don't specify exactly what is stored here at all; the
scroll bar implementation code can use it to store anything it likes.
This field is marked by the garbage collector. It is here
instead of in the `device' structure so that the garbage
collector doesn't need to look inside the window-system-dependent
structure. */
Lisp_Object scroll_bars;
Lisp_Object condemned_scroll_bars;
/* Vector describing the items to display in the menu bar.
Each item has four elements in this vector.
They are KEY, STRING, SUBMAP, and HPOS.
(HPOS is not used in when the X toolkit is in use.)
There are four additional elements of nil at the end, to terminate. */
Lisp_Object menu_bar_items;
/* Hash table of FACE-NAME keys and FACE-VECTOR-DATA values. */
Lisp_Object face_hash_table;
/* A vector that records the entire structure of this frame's menu bar.
For the format of the data, see extensive comments in xmenu.c.
Only the X toolkit version uses this. */
Lisp_Object menu_bar_vector;
/* Predicate for selecting buffers for other-buffer. */
Lisp_Object buffer_predicate;
/* List of buffers viewed in this frame, for other-buffer. */
Lisp_Object buffer_list;
/* List of buffers that were viewed, then buried in this frame. The
most recently buried buffer is first. For last-buffer. */
Lisp_Object buried_buffer_list;
#if defined (HAVE_X_WINDOWS) && ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
/* A dummy window used to display menu bars under X when no X
toolkit support is available. */
Lisp_Object menu_bar_window;
#endif
#if defined (HAVE_WINDOW_SYSTEM)
/* A window used to display the tab-bar of a frame. */
Lisp_Object tab_bar_window;
/* Desired and current contents displayed in that window. */
Lisp_Object desired_tab_bar_string;
Lisp_Object current_tab_bar_string;
#endif
#if defined (HAVE_WINDOW_SYSTEM) && ! defined (HAVE_EXT_TOOL_BAR)
/* A window used to display the tool-bar of a frame. */
Lisp_Object tool_bar_window;
/* Desired and current contents displayed in that window. */
Lisp_Object desired_tool_bar_string;
Lisp_Object current_tool_bar_string;
#endif
#ifdef USE_GTK
/* Where tool bar is, can be left, right, top or bottom.
Except with GTK, the only supported position is `top'. */
Lisp_Object tool_bar_position;
#endif
#if defined (HAVE_XFT) || defined (HAVE_FREETYPE)
/* List of data specific to font-driver and frame, but common to faces. */
Lisp_Object font_data;
#endif
/* Desired and current tab-bar items. */
Lisp_Object tab_bar_items;
/* Desired and current tool-bar items. */
Lisp_Object tool_bar_items;
/* tool_bar_items should be the last Lisp_Object member. */
/* Cache of realized faces. */
struct face_cache *face_cache;
/* Tab-bar item index of the item on which a mouse button was pressed. */
int last_tab_bar_item;
#if defined (HAVE_WINDOW_SYSTEM) && ! defined (HAVE_EXT_TOOL_BAR)
/* Tool-bar item index of the item on which a mouse button was pressed. */
int last_tool_bar_item;
#endif
/* Number of elements in `menu_bar_vector' that have meaningful data. */
int menu_bar_items_used;
#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI)
/* A buffer to hold the frame's name. Since this is used by the
window system toolkit, we can't use the Lisp string's pointer
(`name', above) because it might get relocated. */
char *namebuf;
#endif
#ifdef USE_X_TOOLKIT
/* Used to pass geometry parameters to toolkit functions. */
char *shell_position;
#endif
/* Glyph pool and matrix. */
struct glyph_pool *current_pool;
struct glyph_pool *desired_pool;
struct glyph_matrix *desired_matrix;
struct glyph_matrix *current_matrix;
/* Bitfield area begins here. Keep them together to avoid extra padding. */
/* True means that glyphs on this frame have been initialized so it can
be used for output. */
bool_bf glyphs_initialized_p : 1;
/* Set to true in adjust_frame_size when one of the frame's sizes
changed. Clear the frame in clear_garbaged_frames if set. */
bool_bf resized_p : 1;
/* Set to true if the default face for the frame has been
realized. Reset to zero whenever the default face changes.
Used to see the difference between a font change and face change. */
bool_bf default_face_done_p : 1;
/* Set to true if this frame has already been hscrolled during
current redisplay. */
bool_bf already_hscrolled_p : 1;
/* Set to true when current redisplay has updated frame. */
bool_bf updated_p : 1;
#if defined (HAVE_WINDOW_SYSTEM)
/* Set to true to minimize tab-bar height even when
auto-resize-tab-bar is set to grow-only. */
bool_bf minimize_tab_bar_window_p : 1;
#endif
#if defined (HAVE_WINDOW_SYSTEM) && ! defined (HAVE_EXT_TOOL_BAR)
/* Set to true to minimize tool-bar height even when
auto-resize-tool-bar is set to grow-only. */
bool_bf minimize_tool_bar_window_p : 1;
#endif
#ifdef HAVE_EXT_TOOL_BAR
/* True means using a tool bar that comes from the toolkit. */
bool_bf external_tool_bar : 1;
#endif
/* True means that fonts have been loaded since the last glyph
matrix adjustments. */
bool_bf fonts_changed : 1;
/* True means that cursor type has been changed. */
bool_bf cursor_type_changed : 1;
/* True if it needs to be redisplayed. */
bool_bf redisplay : 1;
#ifdef HAVE_EXT_MENU_BAR
/* True means using a menu bar that comes from the toolkit. */
bool_bf external_menu_bar : 1;
#endif
/* Next two bitfields are mutually exclusive. They might both be
zero if the frame has been made invisible without an icon. */
/* Nonzero if the frame is currently displayed; we check
it to see if we should bother updating the frame's contents.
On ttys and on Windows NT/9X, to avoid wasting effort updating
visible frames that are actually completely obscured by other
windows on the display, we bend the meaning of visible slightly:
if equal to 2, then the frame is obscured - we still consider
it to be "visible" as seen from lisp, but we don't bother
updating it. */
unsigned visible : 2;
/* True if the frame is currently iconified. Do not
set this directly, use SET_FRAME_ICONIFIED instead. */
bool_bf iconified : 1;
/* True if this frame should be fully redisplayed. Disables all
optimizations while rebuilding matrices and redrawing. */
bool_bf garbaged : 1;
/* False means, if this frame has just one window,
show no modeline for that window. */
bool_bf wants_modeline : 1;
/* True means raise this frame to the top of the heap when selected. */
bool_bf auto_raise : 1;
/* True means lower this frame to the bottom of the stack when left. */
bool_bf auto_lower : 1;
/* True if frame's root window can't be split. */
bool_bf no_split : 1;
/* If this is set, then Emacs won't change the frame name to indicate
the current buffer, etcetera. If the user explicitly sets the frame
name, this gets set. If the user sets the name to Qnil, this is
cleared. */
bool_bf explicit_name : 1;
/* True if at least one window on this frame changed since the last
call of run_window_change_functions. Changes are either "state
changes" (a window has been created, deleted or got assigned
another buffer) or "size changes" (the total or body size of a
window changed). run_window_change_functions exits early unless
either this flag is true or a window selection happened on this
frame. */
bool_bf window_change : 1;
/* True if running window state change functions has been explicitly
requested for this frame since last redisplay. */
bool_bf window_state_change : 1;
/* True if the mouse has moved on this display device
since the last time we checked. */
bool_bf mouse_moved : 1;
/* True means that the pointer is invisible. */
bool_bf pointer_invisible : 1;
/* True means that all windows except mini-window and
selected window on this frame have frozen window starts. */
bool_bf frozen_window_starts : 1;
/* The output method says how the contents of this frame are
displayed. It could be using termcap, or using an X window.
This must be the same as the terminal->type. */
ENUM_BF (output_method) output_method : 3;
#ifdef HAVE_WINDOW_SYSTEM
/* True if this frame is a tooltip frame. */
bool_bf tooltip : 1;
/* See FULLSCREEN_ enum on top. */
ENUM_BF (fullscreen_type) want_fullscreen : 4;
/* If not vertical_scroll_bar_none, we should actually
display the scroll bars of this type on this frame. */
ENUM_BF (vertical_scroll_bar_type) vertical_scroll_bar_type : 2;
/* Nonzero if we should actually display horizontal scroll bars on this frame. */
bool_bf horizontal_scroll_bars : 1;
/* True if this is an undecorated frame. */
bool_bf undecorated : 1;
#ifndef HAVE_NTGUI
/* True if this is an override_redirect frame. */
bool_bf override_redirect : 1;
#endif
/* Nonzero if this frame's icon should not appear on its display's taskbar. */
bool_bf skip_taskbar : 1;
/* Nonzero if this frame's window F's X window does not want to
receive input focus when it is mapped. */
bool_bf no_focus_on_map : 1;
/* Nonzero if this frame's window does not want to receive input focus
via mouse clicks or by moving the mouse into it. */
bool_bf no_accept_focus : 1;
/* The z-group this frame's window belongs to. */
ENUM_BF (z_group) z_group : 2;
/* Non-zero if display of truncation and continuation glyphs outside
the fringes is suppressed. */
bool_bf no_special_glyphs : 1;
#endif /* HAVE_WINDOW_SYSTEM */
/* True means set_window_size_hook requests can be processed for
this frame. */
bool_bf can_set_window_size : 1;
/* Set to true after this frame was made by `make-frame'. */
bool_bf after_make_frame : 1;
/* Two sticky flags, that are both false when a frame is created.
'display_tab_bar' sets the former to true the first time it
displays the tab bar. When the former is true, the next call of
'x_change_tab_bar_height' and associates sets the latter true and
tries to adjust the frame height in a way that the now valid pixel
height of the tab bar is taken into account by the frame's native
height. */
bool_bf tab_bar_redisplayed : 1;
bool_bf tab_bar_resized : 1;
/* Two sticky flags, that are both false when a frame is created.
'redisplay_tool_bar' sets the former to true the first time it
displays the tool bar. When the former is true, the next call of
'x_change_tool_bar_height' and associates sets the latter true and
tries to adjust the frame height in a way that the now valid pixel
height of the tool bar is taken into account by the frame's native
height. */
bool_bf tool_bar_redisplayed : 1;
bool_bf tool_bar_resized : 1;
/* Inhibit implied resize before after_make_frame is set. */
bool_bf inhibit_horizontal_resize : 1;
bool_bf inhibit_vertical_resize : 1;
/* Non-zero if this frame's faces need to be recomputed. */
bool_bf face_change : 1;
/* Non-zero if this frame's image cache and face cache cannot be
freed because the frame is in the process of being redisplayed. */
bool_bf inhibit_clear_image_cache : 1;
/* True when new_width or new_height were set by change_frame_size,
false when they were set by adjust_frame_size internally or not
set. */
bool_bf new_size_p : 1;
/* True when frame was invisible before first MapNotify event. Used
in X builds only. */
bool_bf was_invisible : 1;
/* True when the frame isn't selected, and selecting it in the
future should select the mini-window rather than the currently
selected window in the frame, assuming there is still an active
minibuffer in that mini-window. */
bool_bf select_mini_window_flag : 1;
/* Bitfield area ends here. */
/* This frame's change stamp, set the last time window change
functions were run for this frame. Should never be 0 because
that's the change stamp of a new window. A window was not on a
frame the last run_window_change_functions was called on it if
it's change stamp differs from that of its frame. */
int change_stamp;
/* This frame's number of windows, set the last time window change
functions were run for this frame. Should never be 0 even for
minibuffer-only frames. If no window has been added, this allows
to detect whether a window was deleted on this frame since the
last time run_window_change_functions was called on it. */
ptrdiff_t number_of_windows;
/* Number of frame lines (rounded up) of tab bar. */
int tab_bar_lines;
/* Height of frame internal tab bar in pixels. */
int tab_bar_height;
int n_tab_bar_rows;
int n_tab_bar_items;
/* Number of frame lines (rounded up) of tool bar. */
int tool_bar_lines;
/* Height of frame internal tool bar in pixels. */
int tool_bar_height;
int n_tool_bar_rows;
int n_tool_bar_items;
/* A buffer for decode_mode_line. */
char *decode_mode_spec_buffer;
/* See do_line_insertion_deletion_costs for info on these arrays. */
/* Cost of inserting 1 line on this frame. */
int *insert_line_cost;
/* Cost of deleting 1 line on this frame. */
int *delete_line_cost;
/* Cost of inserting n lines on this frame. */
int *insert_n_lines_cost;
/* Cost of deleting n lines on this frame. */
int *delete_n_lines_cost;
/* Text width and height of this frame in (and maybe rounded to) frame
columns and lines. */
int text_cols, text_lines;
/* Text width and height of this frame in pixels. */
int text_width, text_height;
/* Native width of this frame in (and maybe rounded to) frame columns
and lines. */
int total_cols, total_lines;
/* Native width and height of this frame in pixels. */
int pixel_width, pixel_height;
/* New native width and height of this frame for pending size change,
in pixels. -1 if no change pending. */
int new_width, new_height;
/* Pixel position of the frame window (x and y offsets in root window). */
int left_pos, top_pos;
/* This is the gravity value for the specified window position. */
int win_gravity;
/* The geometry flags for this window. */
int size_hint_flags;
/* Border width of the frame window as known by the (X) window system. */
int border_width;
/* Width of child frames' internal border. Acts as
internal_border_width for child frames. */
int child_frame_border_width;
/* Width of the internal border. This is a line of background color
just inside the window's border. When the frame is selected,
a highlighting is displayed inside the internal border. */
int internal_border_width;
/* Widths of dividers between this frame's windows in pixels. */
int right_divider_width, bottom_divider_width;
/* Widths of fringes in pixels. */
int left_fringe_width, right_fringe_width;
/* Total width of fringes reserved for drawing truncation bitmaps,
continuation bitmaps and alike - REMOVE THIS !!!!. */
int fringe_cols;
/* Number of lines of menu bar. */
int menu_bar_lines;
/* Pixel height of menubar. */
int menu_bar_height;
/* Canonical X unit. Width of default font, in pixels. */
int column_width;
/* Canonical Y unit. Height of a line, in pixels. */
int line_height;
/* The terminal device that this frame uses. If this is NULL, then
the frame has been deleted. */
struct terminal *terminal;
/* Device-dependent, frame-local auxiliary data used for displaying
the contents. When the frame is deleted, this data is deleted as
well. */
union output_data
{
struct tty_output *tty; /* From termchar.h. */
struct x_output *x; /* From xterm.h. */
struct w32_output *w32; /* From w32term.h. */
struct ns_output *ns; /* From nsterm.h. */
struct haiku_output *haiku; /* From haikuterm.h. */
}
output_data;
/* List of font-drivers available on the frame. */
struct font_driver_list *font_driver_list;
#if defined (HAVE_X_WINDOWS)
/* Used by x_wait_for_event when watching for an X event on this frame. */
int wait_event_type;
#endif
/* What kind of text cursor should we draw in the future?
This should always be filled_box_cursor or bar_cursor. */
enum text_cursor_kinds desired_cursor;
/* Width of bar cursor (if we are using that). */
int cursor_width;
/* What kind of text cursor should we draw when the cursor blinks off?
This can be filled_box_cursor or bar_cursor or no_cursor. */
enum text_cursor_kinds blink_off_cursor;
/* Width of bar cursor (if we are using that) for blink-off state. */
int blink_off_cursor_width;
/* Configured width of the scroll bar, in pixels and in characters.
config_scroll_bar_cols tracks config_scroll_bar_width if the
latter is positive; a zero value in config_scroll_bar_width means
to compute the actual width on the fly, using config_scroll_bar_cols
and the current font width. */
int config_scroll_bar_width;
int config_scroll_bar_cols;
/* Configured height of the scroll bar, in pixels and in characters.
config_scroll_bar_lines tracks config_scroll_bar_height if the
latter is positive; a zero value in config_scroll_bar_height means
to compute the actual width on the fly, using
config_scroll_bar_lines and the current font width. */
int config_scroll_bar_height;
int config_scroll_bar_lines;
/* The baud rate that was used to calculate costs for this frame. */
intmax_t cost_calculation_baud_rate;
/* Frame opacity
alpha[0]: alpha transparency of the active frame
alpha[1]: alpha transparency of inactive frames
Negative values mean not to change alpha. */
double alpha[2];
/* Exponent for gamma correction of colors. 1/(VIEWING_GAMMA *
SCREEN_GAMMA) where viewing_gamma is 0.4545 and SCREEN_GAMMA is a
frame parameter. 0 means don't do gamma correction. */
double gamma;
/* Additional space to put between text lines on this frame. */
int extra_line_spacing;
/* All display backends seem to need these two pixel values. */
unsigned long background_pixel;
unsigned long foreground_pixel;
#ifdef NS_IMPL_COCOA
/* NSAppearance theme used on this frame. */
enum ns_appearance_type ns_appearance;
bool_bf ns_transparent_titlebar;
#endif
} GCALIGNED_STRUCT;
/* Most code should use these functions to set Lisp fields in struct frame. */
INLINE void
fset_buffer_list (struct frame *f, Lisp_Object val)
{
f->buffer_list = val;
}
INLINE void
fset_buried_buffer_list (struct frame *f, Lisp_Object val)
{
f->buried_buffer_list = val;
}
INLINE void
fset_condemned_scroll_bars (struct frame *f, Lisp_Object val)
{
f->condemned_scroll_bars = val;
}
INLINE void
fset_face_hash_table (struct frame *f, Lisp_Object val)
{
f->face_hash_table = val;
}
#if defined (HAVE_WINDOW_SYSTEM)
INLINE void
fset_parent_frame (struct frame *f, Lisp_Object val)
{
f->parent_frame = val;
}
#endif
INLINE void
fset_focus_frame (struct frame *f, Lisp_Object val)
{
f->focus_frame = val;
}
INLINE void
fset_icon_name (struct frame *f, Lisp_Object val)
{
f->icon_name = val;
}
INLINE void
fset_menu_bar_items (struct frame *f, Lisp_Object val)
{
f->menu_bar_items = val;
}
INLINE void
fset_menu_bar_vector (struct frame *f, Lisp_Object val)
{
f->menu_bar_vector = val;
}
#if defined (HAVE_X_WINDOWS) && ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
INLINE void
fset_menu_bar_window (struct frame *f, Lisp_Object val)
{
f->menu_bar_window = val;
}
#endif
INLINE void
fset_name (struct frame *f, Lisp_Object val)
{
f->name = val;
}
INLINE void
fset_param_alist (struct frame *f, Lisp_Object val)
{
f->param_alist = val;
}
INLINE void
fset_root_window (struct frame *f, Lisp_Object val)
{
f->root_window = val;
}
INLINE void
fset_scroll_bars (struct frame *f, Lisp_Object val)
{
f->scroll_bars = val;
}
INLINE void
fset_selected_window (struct frame *f, Lisp_Object val)
{
f->selected_window = val;
}
INLINE void
fset_old_selected_window (struct frame *f, Lisp_Object val)
{
f->old_selected_window = val;
}
INLINE void
fset_title (struct frame *f, Lisp_Object val)
{
f->title = val;
}
INLINE void
fset_tab_bar_items (struct frame *f, Lisp_Object val)
{
f->tab_bar_items = val;
}
#if defined (HAVE_WINDOW_SYSTEM)
INLINE void
fset_tab_bar_window (struct frame *f, Lisp_Object val)
{
f->tab_bar_window = val;
}
INLINE void
fset_current_tab_bar_string (struct frame *f, Lisp_Object val)
{
f->current_tab_bar_string = val;
}
INLINE void
fset_desired_tab_bar_string (struct frame *f, Lisp_Object val)
{
f->desired_tab_bar_string = val;
}
#endif /* HAVE_WINDOW_SYSTEM */
INLINE void
fset_tool_bar_items (struct frame *f, Lisp_Object val)
{
f->tool_bar_items = val;
}
#ifdef USE_GTK
INLINE void
fset_tool_bar_position (struct frame *f, Lisp_Object val)
{
f->tool_bar_position = val;
}
#endif /* USE_GTK */
#if defined (HAVE_WINDOW_SYSTEM) && ! defined (HAVE_EXT_TOOL_BAR)
INLINE void
fset_tool_bar_window (struct frame *f, Lisp_Object val)
{
f->tool_bar_window = val;
}
INLINE void
fset_current_tool_bar_string (struct frame *f, Lisp_Object val)
{
f->current_tool_bar_string = val;
}
INLINE void
fset_desired_tool_bar_string (struct frame *f, Lisp_Object val)
{
f->desired_tool_bar_string = val;
}
#endif /* HAVE_WINDOW_SYSTEM && !USE_GTK && !HAVE_NS */
INLINE double
NUMVAL (Lisp_Object x)
{
return NUMBERP (x) ? XFLOATINT (x) : -1;
}
INLINE double
default_pixels_per_inch_x (void)
{
Lisp_Object v = (CONSP (Vdisplay_pixels_per_inch)
? XCAR (Vdisplay_pixels_per_inch)
: Vdisplay_pixels_per_inch);
return NUMVAL (v) > 0 ? NUMVAL (v) : 72.0;
}
INLINE double
default_pixels_per_inch_y (void)
{
Lisp_Object v = (CONSP (Vdisplay_pixels_per_inch)
? XCDR (Vdisplay_pixels_per_inch)
: Vdisplay_pixels_per_inch);
return NUMVAL (v) > 0 ? NUMVAL (v) : 72.0;
}
#define FRAME_KBOARD(f) ((f)->terminal->kboard)
/* Return a pointer to the image cache of frame F. */
#define FRAME_IMAGE_CACHE(F) ((F)->terminal->image_cache)
#define XFRAME(p) \
(eassert (FRAMEP (p)), XUNTAG (p, Lisp_Vectorlike, struct frame))
#define XSETFRAME(a, b) (XSETPSEUDOVECTOR (a, b, PVEC_FRAME))
/* Given a window, return its frame as a Lisp_Object. */
#define WINDOW_FRAME(w) ((w)->frame)
/* Test a frame for particular kinds of display methods. */
#define FRAME_INITIAL_P(f) ((f)->output_method == output_initial)
#define FRAME_TERMCAP_P(f) ((f)->output_method == output_termcap)
#define FRAME_X_P(f) ((f)->output_method == output_x_window)
#ifndef HAVE_NTGUI
#define FRAME_W32_P(f) false
#else
#define FRAME_W32_P(f) ((f)->output_method == output_w32)
#endif
#ifndef MSDOS
#define FRAME_MSDOS_P(f) false
#else
#define FRAME_MSDOS_P(f) ((f)->output_method == output_msdos_raw)
#endif
#ifndef HAVE_NS
#define FRAME_NS_P(f) false
#else
#define FRAME_NS_P(f) ((f)->output_method == output_ns)
#endif
#ifndef HAVE_HAIKU
#define FRAME_HAIKU_P(f) false
#else
#define FRAME_HAIKU_P(f) ((f)->output_method == output_haiku)
#endif
/* FRAME_WINDOW_P tests whether the frame is a graphical window system
frame. */
#ifdef HAVE_X_WINDOWS
#define FRAME_WINDOW_P(f) FRAME_X_P (f)
#endif
#ifdef HAVE_NTGUI
#define FRAME_WINDOW_P(f) FRAME_W32_P (f)
#endif
#ifdef HAVE_NS
#define FRAME_WINDOW_P(f) FRAME_NS_P(f)
#endif
#ifdef HAVE_HAIKU
#define FRAME_WINDOW_P(f) FRAME_HAIKU_P (f)
#endif
#ifndef FRAME_WINDOW_P
#define FRAME_WINDOW_P(f) ((void) (f), false)
#endif
/* Dots per inch of the screen the frame F is on. */
#ifdef HAVE_WINDOW_SYSTEM
#define FRAME_RES_X(f) \
(eassert (FRAME_WINDOW_P (f)), FRAME_DISPLAY_INFO (f)->resx)
#define FRAME_RES_Y(f) \
(eassert (FRAME_WINDOW_P (f)), FRAME_DISPLAY_INFO (f)->resy)
#else /* !HAVE_WINDOW_SYSTEM */
/* Defaults when no window system available. */
#define FRAME_RES_X(f) default_pixels_per_inch_x ()
#define FRAME_RES_Y(f) default_pixels_per_inch_y ()
#endif /* HAVE_WINDOW_SYSTEM */
/* Return a pointer to the structure holding information about the
region of text, if any, that is currently shown in mouse-face on
frame F. We need to define two versions because a TTY-only build
does not have FRAME_DISPLAY_INFO. */
#ifdef HAVE_WINDOW_SYSTEM
# define MOUSE_HL_INFO(F) \
(FRAME_WINDOW_P(F) \
? &FRAME_DISPLAY_INFO(F)->mouse_highlight \
: &(F)->output_data.tty->display_info->mouse_highlight)
#else
# define MOUSE_HL_INFO(F) \
(&(F)->output_data.tty->display_info->mouse_highlight)
#endif
/* True if frame F is still alive (not deleted). */
#define FRAME_LIVE_P(f) ((f)->terminal != 0)
/* True if frame F is a minibuffer-only frame. */
#define FRAME_MINIBUF_ONLY_P(f) \
EQ (FRAME_ROOT_WINDOW (f), FRAME_MINIBUF_WINDOW (f))
/* True if frame F contains it's own minibuffer window. Frame always has
minibuffer window, but it could use minibuffer window of another frame. */
#define FRAME_HAS_MINIBUF_P(f) \
(WINDOWP (f->minibuffer_window) \
&& XFRAME (XWINDOW (f->minibuffer_window)->frame) == f)
/* Scale factor of frame F. */
#if defined HAVE_NS
# define FRAME_SCALE_FACTOR(f) (FRAME_NS_P (f) ? ns_frame_scale_factor (f) : 1)
#else
# define FRAME_SCALE_FACTOR(f) 1
#endif
/* Native width and height of frame F, in pixels and frame
columns/lines. */
#define FRAME_PIXEL_WIDTH(f) ((f)->pixel_width)
#define FRAME_PIXEL_HEIGHT(f) ((f)->pixel_height)
#define FRAME_TOTAL_COLS(f) ((f)->total_cols)
#define FRAME_TOTAL_LINES(f) ((f)->total_lines)
/* Text width and height of frame F, in pixels and frame
columns/lines. */
#define FRAME_TEXT_WIDTH(f) (f)->text_width
#define FRAME_TEXT_HEIGHT(f) (f)->text_height
#define FRAME_COLS(f) ((f)->text_cols)
#define FRAME_LINES(f) ((f)->text_lines)
/* True if this frame should display an external menu bar. */
#ifdef HAVE_EXT_MENU_BAR
#define FRAME_EXTERNAL_MENU_BAR(f) (f)->external_menu_bar
#else
#define FRAME_EXTERNAL_MENU_BAR(f) false
#endif
/* Size of frame F's internal menu bar in frame lines and pixels. */
#define FRAME_MENU_BAR_LINES(f) (f)->menu_bar_lines
#define FRAME_MENU_BAR_HEIGHT(f) (f)->menu_bar_height
/* Size of frame F's tab bar in frame lines and pixels. */
#define FRAME_TAB_BAR_LINES(f) (f)->tab_bar_lines
#define FRAME_TAB_BAR_HEIGHT(f) (f)->tab_bar_height
/* True if this frame should display an external tool bar. */
#ifdef HAVE_EXT_TOOL_BAR
#define FRAME_EXTERNAL_TOOL_BAR(f) (f)->external_tool_bar
#else
#define FRAME_EXTERNAL_TOOL_BAR(f) false
#endif
/* This is really supported only with GTK. */
#ifdef USE_GTK
#define FRAME_TOOL_BAR_POSITION(f) (f)->tool_bar_position
#else
#define FRAME_TOOL_BAR_POSITION(f) ((void) (f), Qtop)
#endif
/* Size of frame F's internal tool bar in frame lines and pixels. */
#define FRAME_TOOL_BAR_LINES(f) (f)->tool_bar_lines
#define FRAME_TOOL_BAR_HEIGHT(f) (f)->tool_bar_height
/* Height of frame F's top margin in frame lines. */
#define FRAME_TOP_MARGIN(F) \
(FRAME_MENU_BAR_LINES (F) \
+ FRAME_TAB_BAR_LINES (F) \
+ FRAME_TOOL_BAR_LINES (F))
/* Pixel height of frame F's top margin. */
#define FRAME_TOP_MARGIN_HEIGHT(F) \
(FRAME_MENU_BAR_HEIGHT (F) \
+ FRAME_TAB_BAR_HEIGHT (F) \
+ FRAME_TOOL_BAR_HEIGHT (F))
/* True if frame F is currently visible. */
#define FRAME_VISIBLE_P(f) (f)->visible
/* True if frame F is currently visible but hidden. */
#define FRAME_OBSCURED_P(f) ((f)->visible > 1)
/* True if frame F is currently iconified. */
#define FRAME_ICONIFIED_P(f) (f)->iconified
/* Mark frame F as currently garbaged. */
#define SET_FRAME_GARBAGED(f) \
(frame_garbaged = true, fset_redisplay (f), f->garbaged = true)
/* True if frame F is currently garbaged. */
#define FRAME_GARBAGED_P(f) (f)->garbaged
/* True means do not allow splitting this frame's window. */
#define FRAME_NO_SPLIT_P(f) (f)->no_split
/* Not really implemented. */
#define FRAME_WANTS_MODELINE_P(f) (f)->wants_modeline
/* True if all windows except selected window and mini window
are frozen on frame F. */
#define FRAME_WINDOWS_FROZEN(f) (f)->frozen_window_starts
/* True if at least one window changed on frame F since the last time
window change functions were run on F. */
#define FRAME_WINDOW_CHANGE(f) (f)->window_change
/* True if running window state change functions has been explicitly
requested for this frame since last redisplay. */
#define FRAME_WINDOW_STATE_CHANGE(f) (f)->window_state_change
/* The minibuffer window of frame F, if it has one; otherwise nil. */
#define FRAME_MINIBUF_WINDOW(f) f->minibuffer_window
/* The root window of the window tree of frame F. */
#define FRAME_ROOT_WINDOW(f) f->root_window
/* The currently selected window of frame F. */
#define FRAME_SELECTED_WINDOW(f) f->selected_window
/* The old selected window of frame F. */
#define FRAME_OLD_SELECTED_WINDOW(f) f->old_selected_window
#define FRAME_INSERT_COST(f) (f)->insert_line_cost
#define FRAME_DELETE_COST(f) (f)->delete_line_cost
#define FRAME_INSERTN_COST(f) (f)->insert_n_lines_cost
#define FRAME_DELETEN_COST(f) (f)->delete_n_lines_cost
#define FRAME_FOCUS_FRAME(f) f->focus_frame
#ifdef HAVE_WINDOW_SYSTEM
/* This frame slot says whether scroll bars are currently enabled for frame F,
and which side they are on. */
#define FRAME_VERTICAL_SCROLL_BAR_TYPE(f) ((f)->vertical_scroll_bar_type)
#define FRAME_HAS_VERTICAL_SCROLL_BARS(f) \
((f)->vertical_scroll_bar_type != vertical_scroll_bar_none)
#define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT(f) \
((f)->vertical_scroll_bar_type == vertical_scroll_bar_left)
#define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) \
((f)->vertical_scroll_bar_type == vertical_scroll_bar_right)
#else /* not HAVE_WINDOW_SYSTEM */
/* If there is no window system, there are no scroll bars. */
#define FRAME_VERTICAL_SCROLL_BAR_TYPE(f) \
((void) (f), vertical_scroll_bar_none)
#define FRAME_HAS_VERTICAL_SCROLL_BARS(f) ((void) (f), 0)
#define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT(f) ((void) (f), 0)
#define FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT(f) ((void) (f), 0)
#endif /* HAVE_WINDOW_SYSTEM */
#if defined (HAVE_WINDOW_SYSTEM)
#define FRAME_UNDECORATED(f) ((f)->undecorated)
#ifdef HAVE_NTGUI
#define FRAME_OVERRIDE_REDIRECT(f) ((void) (f), 0)
#else
#define FRAME_OVERRIDE_REDIRECT(f) ((f)->override_redirect)
#endif
#define FRAME_PARENT_FRAME(f) \
(NILP ((f)->parent_frame) \
? NULL \
: XFRAME ((f)->parent_frame))
#define FRAME_SKIP_TASKBAR(f) ((f)->skip_taskbar)
#define FRAME_NO_FOCUS_ON_MAP(f) ((f)->no_focus_on_map)
#define FRAME_NO_ACCEPT_FOCUS(f) ((f)->no_accept_focus)
#define FRAME_NO_SPECIAL_GLYPHS(f) ((f)->no_special_glyphs)
#define FRAME_Z_GROUP(f) ((f)->z_group)
#define FRAME_Z_GROUP_NONE(f) ((f)->z_group == z_group_none)
#define FRAME_Z_GROUP_ABOVE(f) ((f)->z_group == z_group_above)
#define FRAME_Z_GROUP_ABOVE_SUSPENDED(f) \
((f)->z_group == z_group_above_suspended)
#define FRAME_Z_GROUP_BELOW(f) ((f)->z_group == z_group_below)
#define FRAME_TOOLTIP_P(f) ((f)->tooltip)
#ifdef NS_IMPL_COCOA
#define FRAME_NS_APPEARANCE(f) ((f)->ns_appearance)
#define FRAME_NS_TRANSPARENT_TITLEBAR(f) ((f)->ns_transparent_titlebar)
#endif
#else /* not HAVE_WINDOW_SYSTEM */
#define FRAME_UNDECORATED(f) ((void) (f), 0)
#define FRAME_OVERRIDE_REDIRECT(f) ((void) (f), 0)
#define FRAME_PARENT_FRAME(f) ((void) (f), NULL)
#define FRAME_SKIP_TASKBAR(f) ((void) (f), 0)
#define FRAME_NO_FOCUS_ON_MAP(f) ((void) (f), 0)
#define FRAME_NO_ACCEPT_FOCUS(f) ((void) (f), 0)
#define FRAME_NO_SPECIAL_GLYPHS(f) ((void) (f), 0)
#define FRAME_Z_GROUP(f) ((void) (f), z_group_none)
#define FRAME_Z_GROUP_NONE(f) ((void) (f), true)
#define FRAME_Z_GROUP_ABOVE(f) ((void) (f), false)
#define FRAME_Z_GROUP_BELOW(f) ((void) (f), false)
#define FRAME_TOOLTIP_P(f) ((void) f, false)
#endif /* HAVE_WINDOW_SYSTEM */
/* Whether horizontal scroll bars are currently enabled for frame F. */
#if USE_HORIZONTAL_SCROLL_BARS
#define FRAME_HAS_HORIZONTAL_SCROLL_BARS(f) \
((f)->horizontal_scroll_bars)
#else
#define FRAME_HAS_HORIZONTAL_SCROLL_BARS(f) ((void) (f), 0)
#endif
/* Width that a scroll bar in frame F should have, if there is one.
Measured in pixels.
If scroll bars are turned off, this is still nonzero. */
#define FRAME_CONFIG_SCROLL_BAR_WIDTH(f) ((f)->config_scroll_bar_width)
/* Height that a scroll bar in frame F should have, if there is one.
Measured in pixels.
If scroll bars are turned off, this is still nonzero. */
#define FRAME_CONFIG_SCROLL_BAR_HEIGHT(f) ((f)->config_scroll_bar_height)
/* Width that a scroll bar in frame F should have, if there is one.
Measured in columns (characters).
If scroll bars are turned off, this is still nonzero. */
#define FRAME_CONFIG_SCROLL_BAR_COLS(f) ((f)->config_scroll_bar_cols)
/* Height that a scroll bar in frame F should have, if there is one.
Measured in lines (characters).
If scroll bars are turned off, this is still nonzero. */
#define FRAME_CONFIG_SCROLL_BAR_LINES(f) ((f)->config_scroll_bar_lines)
/* Width of a left scroll bar in frame F, measured in pixels */
#define FRAME_LEFT_SCROLL_BAR_AREA_WIDTH(f) \
(FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f) \
? FRAME_CONFIG_SCROLL_BAR_WIDTH (f) \
: 0)
/* Width of a right scroll bar area in frame F, measured in pixels */
#define FRAME_RIGHT_SCROLL_BAR_AREA_WIDTH(f) \
(FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f) \
? FRAME_CONFIG_SCROLL_BAR_WIDTH (f) \
: 0)
/* Width of a left scroll bar in frame F, measured in columns
(characters), but only if scroll bars are on the left. If scroll
bars are on the right in this frame, or there are no scroll bars,
value is 0. */
#define FRAME_LEFT_SCROLL_BAR_COLS(f) \
(FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f) \
? FRAME_CONFIG_SCROLL_BAR_COLS (f) \
: 0)
/* Width of a right scroll bar in frame F, measured in columns
(characters), but only if scroll bars are on the right. If scroll
bars are on the left in this frame, or there are no scroll bars,
value is 0. */
#define FRAME_RIGHT_SCROLL_BAR_COLS(f) \
(FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f) \
? FRAME_CONFIG_SCROLL_BAR_COLS (f) \
: 0)
/* Width of a vertical scroll bar area in frame F, measured in
pixels. */
#define FRAME_SCROLL_BAR_AREA_WIDTH(f) \
(FRAME_HAS_VERTICAL_SCROLL_BARS (f) \
? FRAME_CONFIG_SCROLL_BAR_WIDTH (f) \
: 0)
/* Height of horizontal scroll bar area in frame F, measured in
pixels. */
#define FRAME_SCROLL_BAR_AREA_HEIGHT(f) \
(FRAME_HAS_HORIZONTAL_SCROLL_BARS (f) \
? FRAME_CONFIG_SCROLL_BAR_HEIGHT (f) \
: 0)
/* Width of vertical scroll bar in frame F, measured in columns. */
#define FRAME_SCROLL_BAR_COLS(f) \
(FRAME_HAS_VERTICAL_SCROLL_BARS (f) \
? FRAME_CONFIG_SCROLL_BAR_COLS (f) \
: 0)
/* Height of horizontal scroll bar in frame F, measured in lines. */
#define FRAME_SCROLL_BAR_LINES(f) \
(FRAME_HAS_HORIZONTAL_SCROLL_BARS (f) \
? FRAME_CONFIG_SCROLL_BAR_LINES (f) \
: 0)
/* Maximum + 1 legitimate value for FRAME_CURSOR_X. */
#define FRAME_CURSOR_X_LIMIT(f) \
(FRAME_COLS (f) + FRAME_LEFT_SCROLL_BAR_COLS (f))
/* Nonzero if frame F has scroll bars. */
#define FRAME_SCROLL_BARS(f) (f->scroll_bars)
#define FRAME_CONDEMNED_SCROLL_BARS(f) (f->condemned_scroll_bars)
#define FRAME_MENU_BAR_ITEMS(f) (f->menu_bar_items)
#define FRAME_COST_BAUD_RATE(f) ((f)->cost_calculation_baud_rate)
#define FRAME_DESIRED_CURSOR(f) ((f)->desired_cursor)
#define FRAME_BLINK_OFF_CURSOR(f) ((f)->blink_off_cursor)
#define FRAME_CURSOR_WIDTH(f) ((f)->cursor_width)
#define FRAME_BLINK_OFF_CURSOR_WIDTH(f) ((f)->blink_off_cursor_width)
#define FRAME_FOREGROUND_PIXEL(f) ((f)->foreground_pixel)
#define FRAME_BACKGROUND_PIXEL(f) ((f)->background_pixel)
/* Return a pointer to the face cache of frame F. */
#define FRAME_FACE_CACHE(F) (F)->face_cache
/* Return the size of message_buf of the frame F. We multiply the
width of the frame by 4 because multi-byte form may require at most
4-byte for a character. */
#define FRAME_MESSAGE_BUF_SIZE(f) (((int) FRAME_COLS (f)) * 4)
#define CHECK_FRAME(x) \
CHECK_TYPE (FRAMEP (x), Qframep, x)
#define CHECK_LIVE_FRAME(x) \
CHECK_TYPE (FRAMEP (x) && FRAME_LIVE_P (XFRAME (x)), Qframe_live_p, x)
/* FOR_EACH_FRAME (LIST_VAR, FRAME_VAR) followed by a statement is a
`for' loop which iterates over the elements of Vframe_list. The
loop will set FRAME_VAR, a Lisp_Object, to each frame in
Vframe_list in succession and execute the statement. LIST_VAR
should be a Lisp_Object too; it is used to iterate through the
Vframe_list. Note that this macro walks over child frames and
the tooltip frame as well.
This macro is a holdover from a time when multiple frames weren't always
supported. An alternate definition of the macro would expand to
something which executes the statement once. */
#define FOR_EACH_FRAME(list_var, frame_var) \
for ((list_var) = Vframe_list; \
(CONSP (list_var) \
&& (frame_var = XCAR (list_var), true)); \
list_var = XCDR (list_var))
/* Reflect mouse movement when a complete frame update is performed. */
#define FRAME_MOUSE_UPDATE(frame) \
do { \
Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (frame); \
if (frame == hlinfo->mouse_face_mouse_frame) \
{ \
block_input (); \
note_mouse_highlight (hlinfo->mouse_face_mouse_frame, \
hlinfo->mouse_face_mouse_x, \
hlinfo->mouse_face_mouse_y); \
unblock_input (); \
} \
} while (false)
/* Handy macro to construct an argument to Fmodify_frame_parameters. */
#define AUTO_FRAME_ARG(name, parameter, value) \
AUTO_LIST1 (name, AUTO_CONS_EXPR (parameter, value))
/* False means there are no visible garbaged frames. */
extern bool frame_garbaged;
/* Set visibility of frame F.
We call redisplay_other_windows to make sure the frame gets redisplayed
if some changes were applied to it while it wasn't visible (and hence
wasn't redisplayed). */
INLINE void
SET_FRAME_VISIBLE (struct frame *f, int v)
{
eassert (0 <= v && v <= 2);
if (v)
{
if (v == 1 && f->visible != 1)
redisplay_other_windows ();
if (FRAME_GARBAGED_P (f))
frame_garbaged = true;
}
f->visible = v;
}
/* Set iconified status of frame F. */
#define SET_FRAME_ICONIFIED(f, i) \
(f)->iconified = (eassert (0 <= (i) && (i) <= 1), (i))
extern Lisp_Object selected_frame;
extern Lisp_Object old_selected_frame;
extern int frame_default_tab_bar_height;
#ifndef HAVE_EXT_TOOL_BAR
extern int frame_default_tool_bar_height;
#endif
#ifdef HAVE_WINDOW_SYSTEM
# define WINDOW_SYSTEM_RETURN
#else
# define WINDOW_SYSTEM_RETURN _Noreturn ATTRIBUTE_COLD
#endif
extern WINDOW_SYSTEM_RETURN struct frame *
decode_window_system_frame (Lisp_Object);
extern struct frame *decode_live_frame (Lisp_Object);
extern struct frame *decode_any_frame (Lisp_Object);
extern struct frame *make_initial_frame (void);
extern struct frame *make_frame (bool);
#ifdef HAVE_WINDOW_SYSTEM
extern struct frame *make_minibuffer_frame (void);
extern struct frame *make_frame_without_minibuffer (Lisp_Object,
struct kboard *,
Lisp_Object);
extern bool display_available (void);
#endif
INLINE bool
window_system_available (struct frame *f)
{
#ifdef HAVE_WINDOW_SYSTEM
return f ? FRAME_WINDOW_P (f) || FRAME_MSDOS_P (f) : display_available ();
#else
return false;
#endif
}
extern WINDOW_SYSTEM_RETURN void check_window_system (struct frame *);
extern void frame_make_pointer_invisible (struct frame *);
extern void frame_make_pointer_visible (struct frame *);
extern Lisp_Object delete_frame (Lisp_Object, Lisp_Object);
extern bool frame_inhibit_resize (struct frame *, bool, Lisp_Object);
extern void adjust_frame_size (struct frame *, int, int, int, bool,
Lisp_Object);
extern Lisp_Object mouse_position (bool);
extern int frame_windows_min_size (Lisp_Object, Lisp_Object, Lisp_Object,
Lisp_Object);
extern void frame_size_history_plain (struct frame *, Lisp_Object);
extern void frame_size_history_extra (struct frame *, Lisp_Object,
int, int, int, int, int, int);
extern Lisp_Object Vframe_list;
/* Value is a pointer to the selected frame. If the selected frame
isn't live, abort. */
#define SELECTED_FRAME() \
((FRAMEP (selected_frame) \
&& FRAME_LIVE_P (XFRAME (selected_frame))) \
? XFRAME (selected_frame) \
: (emacs_abort (), (struct frame *) 0))
\f
/***********************************************************************
Display-related Macros
***********************************************************************/
/* Canonical y-unit on frame F.
This value currently equals the line height of the frame (which is
the height of the default font of F). */
#define FRAME_LINE_HEIGHT(F) ((F)->line_height)
/* Canonical x-unit on frame F.
This value currently equals the average width of the default font of F. */
#define FRAME_COLUMN_WIDTH(F) ((F)->column_width)
/* Get a frame's window system dimension. If no window system, this is 0. */
INLINE int
frame_dimension (int x)
{
#ifdef HAVE_WINDOW_SYSTEM
return x;
#else
return 0;
#endif
}
/* Total width of fringes reserved for drawing truncation bitmaps,
continuation bitmaps and alike. The width is in canonical char
units of the frame. This must currently be the case because window
sizes aren't pixel values. If it weren't the case, we wouldn't be
able to split windows horizontally nicely. */
INLINE int
FRAME_FRINGE_COLS (struct frame *f)
{
return frame_dimension (f->fringe_cols);
}
/* Pixel-width of the left and right fringe. */
INLINE int
FRAME_LEFT_FRINGE_WIDTH (struct frame *f)
{
return frame_dimension (f->left_fringe_width);
}
INLINE int
FRAME_RIGHT_FRINGE_WIDTH (struct frame *f)
{
return frame_dimension (f->right_fringe_width);
}
/* Total width of fringes in pixels. */
INLINE int
FRAME_TOTAL_FRINGE_WIDTH (struct frame *f)
{
return FRAME_LEFT_FRINGE_WIDTH (f) + FRAME_RIGHT_FRINGE_WIDTH (f);
}
INLINE int
FRAME_CHILD_FRAME_BORDER_WIDTH (struct frame *f)
{
return frame_dimension (f->child_frame_border_width);
}
/* Pixel-width of internal border. Uses child_frame_border_width for
child frames if possible, and falls back on internal_border_width
otherwise. */
INLINE int
FRAME_INTERNAL_BORDER_WIDTH (struct frame *f)
{
#ifdef HAVE_WINDOW_SYSTEM
return (FRAME_PARENT_FRAME(f)
? (FRAME_CHILD_FRAME_BORDER_WIDTH(f) >= 0
? FRAME_CHILD_FRAME_BORDER_WIDTH(f)
: frame_dimension (f->internal_border_width))
: frame_dimension (f->internal_border_width));
#else
return frame_dimension (f->internal_border_width);
#endif
}
/* Pixel-size of window divider lines. */
INLINE int
FRAME_RIGHT_DIVIDER_WIDTH (struct frame *f)
{
return frame_dimension (f->right_divider_width);
}
INLINE int
FRAME_BOTTOM_DIVIDER_WIDTH (struct frame *f)
{
return frame_dimension (f->bottom_divider_width);
}
/* Return a non-null pointer to the cached face with ID on frame F. */
INLINE struct face *
FACE_FROM_ID (struct frame *f, int id)
{
eassert (0 <= id && id < FRAME_FACE_CACHE (f)->used);
return FRAME_FACE_CACHE (f)->faces_by_id[id];
}
/* Return a pointer to the face with ID on frame F, or null if such a
face doesn't exist. */
INLINE struct face *
FACE_FROM_ID_OR_NULL (struct frame *f, int id)
{
int used = FRAME_FACE_CACHE (f)->used;
eassume (0 <= used);
return 0 <= id && id < used ? FRAME_FACE_CACHE (f)->faces_by_id[id] : NULL;
}
#ifdef HAVE_WINDOW_SYSTEM
/* A non-null pointer to the image with id ID on frame F. */
INLINE struct image *
IMAGE_FROM_ID (struct frame *f, int id)
{
eassert (0 <= id && id < FRAME_IMAGE_CACHE (f)->used);
return FRAME_IMAGE_CACHE (f)->images[id];
}
/* Value is a pointer to the image with id ID on frame F, or null if
no image with that id exists. */
INLINE struct image *
IMAGE_OPT_FROM_ID (struct frame *f, int id)
{
int used = FRAME_IMAGE_CACHE (f)->used;
eassume (0 <= used);
return 0 <= id && id < used ? FRAME_IMAGE_CACHE (f)->images[id] : NULL;
}
#endif
\f
/***********************************************************************
Conversion between canonical units and pixels
***********************************************************************/
/* Canonical x-values are fractions of FRAME_COLUMN_WIDTH, canonical
y-unit are fractions of FRAME_LINE_HEIGHT of a frame. Both are
represented as Lisp numbers, i.e. integers or floats. */
/* Convert canonical value X to pixels. F is the frame whose
canonical char width is to be used. X must be a Lisp integer or
float. Value is a C integer. */
#define FRAME_PIXEL_X_FROM_CANON_X(F, X) \
((int) (XFLOATINT (X) * FRAME_COLUMN_WIDTH (F)))
/* Convert canonical value Y to pixels. F is the frame whose
canonical character height is to be used. X must be a Lisp integer
or float. Value is a C integer. */
#define FRAME_PIXEL_Y_FROM_CANON_Y(F, Y) \
((int) (XFLOATINT (Y) * FRAME_LINE_HEIGHT (F)))
/* Convert pixel-value X to canonical units. F is the frame whose
canonical character width is to be used. X is a C integer. Result
is a Lisp float if X is not a multiple of the canon width,
otherwise it's a Lisp integer. */
#define FRAME_CANON_X_FROM_PIXEL_X(F, X) \
((X) % FRAME_COLUMN_WIDTH (F) != 0 \
? make_float ((double) (X) / FRAME_COLUMN_WIDTH (F)) \
: make_fixnum ((X) / FRAME_COLUMN_WIDTH (F)))
/* Convert pixel-value Y to canonical units. F is the frame whose
canonical character height is to be used. Y is a C integer.
Result is a Lisp float if Y is not a multiple of the canon width,
otherwise it's a Lisp integer. */
#define FRAME_CANON_Y_FROM_PIXEL_Y(F, Y) \
((Y) % FRAME_LINE_HEIGHT (F) \
? make_float ((double) (Y) / FRAME_LINE_HEIGHT (F)) \
: make_fixnum ((Y) / FRAME_LINE_HEIGHT (F)))
\f
/* Manipulating pixel sizes and character sizes.
Knowledge of which factors affect the overall size of the window should
be hidden in these macros, if that's possible.
Return the upper/left pixel position of the character cell on frame F
at ROW/COL. */
#define FRAME_LINE_TO_PIXEL_Y(f, row) \
(((row) < FRAME_TOP_MARGIN (f) ? 0 : FRAME_INTERNAL_BORDER_WIDTH (f)) \
+ (row) * FRAME_LINE_HEIGHT (f))
#define FRAME_COL_TO_PIXEL_X(f, col) \
(FRAME_INTERNAL_BORDER_WIDTH (f) \
+ (col) * FRAME_COLUMN_WIDTH (f))
/* Return the pixel width/height of frame F if it has
COLS columns/LINES rows. */
#define FRAME_TEXT_COLS_TO_PIXEL_WIDTH(f, cols) \
((cols) * FRAME_COLUMN_WIDTH (f) \
+ FRAME_SCROLL_BAR_AREA_WIDTH (f) \
+ FRAME_TOTAL_FRINGE_WIDTH (f) \
+ 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
#define FRAME_TEXT_LINES_TO_PIXEL_HEIGHT(f, lines) \
((lines) * FRAME_LINE_HEIGHT (f) \
+ FRAME_TOP_MARGIN_HEIGHT (f) \
+ FRAME_SCROLL_BAR_AREA_HEIGHT (f) \
+ 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
/* Return the row/column (zero-based) of the character cell containing
the pixel on FRAME at Y/X. */
#define FRAME_PIXEL_Y_TO_LINE(f, y) \
(((y) < FRAME_TOP_MARGIN_HEIGHT (f) \
? (y) \
: ((y) < (FRAME_TOP_MARGIN_HEIGHT (f) \
+ FRAME_INTERNAL_BORDER_WIDTH (f)) \
? (y) - (FRAME_TOP_MARGIN_HEIGHT (f) \
+ FRAME_INTERNAL_BORDER_WIDTH (f) \
/* Arrange for the division to round down. */ \
+ FRAME_LINE_HEIGHT (f) - 1) \
: (y) - FRAME_INTERNAL_BORDER_WIDTH (f))) \
/ FRAME_LINE_HEIGHT (f))
#define FRAME_PIXEL_X_TO_COL(f, x) \
(((x) - FRAME_INTERNAL_BORDER_WIDTH (f)) \
/ FRAME_COLUMN_WIDTH (f))
/* How many columns/rows of text can we fit in WIDTH/HEIGHT pixels on
frame F (so we round down)? */
#define FRAME_PIXEL_WIDTH_TO_TEXT_COLS(f, width) \
(((width) \
- FRAME_TOTAL_FRINGE_WIDTH (f) \
- FRAME_SCROLL_BAR_AREA_WIDTH (f) \
- 2 * FRAME_INTERNAL_BORDER_WIDTH (f)) \
/ FRAME_COLUMN_WIDTH (f))
#define FRAME_PIXEL_HEIGHT_TO_TEXT_LINES(f, height) \
(((height) \
- FRAME_TOP_MARGIN_HEIGHT (f) \
- FRAME_SCROLL_BAR_AREA_HEIGHT (f) \
- 2 * FRAME_INTERNAL_BORDER_WIDTH (f)) \
/ FRAME_LINE_HEIGHT (f))
/* Return the pixel width/height of frame F with a text size of
width/height. */
#define FRAME_TEXT_TO_PIXEL_WIDTH(f, width) \
((width) \
+ FRAME_SCROLL_BAR_AREA_WIDTH (f) \
+ FRAME_TOTAL_FRINGE_WIDTH (f) \
+ 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
#define FRAME_TEXT_TO_PIXEL_HEIGHT(f, height) \
((height) \
+ FRAME_TOP_MARGIN_HEIGHT (f) \
+ FRAME_SCROLL_BAR_AREA_HEIGHT (f) \
+ 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
/* Return the text width/height of frame F with a pixel size of
width/height. */
#define FRAME_PIXEL_TO_TEXT_WIDTH(f, width) \
((width) \
- FRAME_SCROLL_BAR_AREA_WIDTH (f) \
- FRAME_TOTAL_FRINGE_WIDTH (f) \
- 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
#define FRAME_PIXEL_TO_TEXT_HEIGHT(f, height) \
((height) \
- FRAME_TOP_MARGIN_HEIGHT (f) \
- FRAME_SCROLL_BAR_AREA_HEIGHT (f) \
- 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
#define FRAME_INNER_WIDTH(f) \
(FRAME_PIXEL_WIDTH (f) \
- 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
#define FRAME_INNER_HEIGHT(f) \
(FRAME_PIXEL_HEIGHT (f) \
- FRAME_TOP_MARGIN_HEIGHT (f) \
- 2 * FRAME_INTERNAL_BORDER_WIDTH (f))
/* Value is the smallest width of any character in any font on frame F. */
#define FRAME_SMALLEST_CHAR_WIDTH(f) \
FRAME_DISPLAY_INFO (f)->smallest_char_width
/* Value is the smallest height of any font on frame F. */
#define FRAME_SMALLEST_FONT_HEIGHT(f) \
FRAME_DISPLAY_INFO (f)->smallest_font_height
/***********************************************************************
Frame Parameters
***********************************************************************/
#ifdef HAVE_WINDOW_SYSTEM
/* The class of this X application. */
#define EMACS_CLASS "Emacs"
extern void gui_set_frame_parameters (struct frame *, Lisp_Object);
extern void gui_set_fullscreen (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_line_spacing (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_screen_gamma (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_font (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_font_backend (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_left_fringe (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_right_fringe (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_border_width (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_right_divider_width (struct frame *, Lisp_Object,
Lisp_Object);
extern void gui_set_bottom_divider_width (struct frame *, Lisp_Object,
Lisp_Object);
extern void gui_set_visibility (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_autoraise (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_autolower (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_unsplittable (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_vertical_scroll_bars (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_horizontal_scroll_bars (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_scroll_bar_width (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_scroll_bar_height (struct frame *, Lisp_Object, Lisp_Object);
extern long gui_figure_window_size (struct frame *, Lisp_Object, bool, bool);
extern void gui_set_alpha (struct frame *, Lisp_Object, Lisp_Object);
extern void gui_set_no_special_glyphs (struct frame *, Lisp_Object, Lisp_Object);
extern void validate_x_resource_name (void);
extern Lisp_Object gui_display_get_resource (Display_Info *,
Lisp_Object attribute,
Lisp_Object class,
Lisp_Object component,
Lisp_Object subclass);
extern void set_frame_menubar (struct frame *f, bool deep_p);
extern void frame_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y);
extern void free_frame_menubar (struct frame *);
extern bool frame_ancestor_p (struct frame *af, struct frame *df);
extern enum internal_border_part frame_internal_border_part (struct frame *f, int x, int y);
#if defined HAVE_X_WINDOWS
extern void x_wm_set_icon_position (struct frame *, int, int);
#if !defined USE_X_TOOLKIT
extern const char *x_get_resource_string (const char *, const char *);
#endif
extern void x_sync (struct frame *);
#endif /* HAVE_X_WINDOWS */
#ifndef HAVE_NS
/* Set F's bitmap icon, if specified among F's parameters. */
INLINE void
gui_set_bitmap_icon (struct frame *f)
{
Lisp_Object obj = assq_no_quit (Qicon_type, f->param_alist);
if (CONSP (obj) && !NILP (XCDR (obj))
&& FRAME_TERMINAL (f)->set_bitmap_icon_hook)
FRAME_TERMINAL (f)->set_bitmap_icon_hook (f, XCDR (obj));
}
#endif /* !HAVE_NS */
#endif /* HAVE_WINDOW_SYSTEM */
INLINE void
flush_frame (struct frame *f)
{
struct redisplay_interface *rif = FRAME_RIF (f);
if (rif && rif->flush_display)
rif->flush_display (f);
}
/***********************************************************************
Multimonitor data
***********************************************************************/
#ifdef HAVE_WINDOW_SYSTEM
struct MonitorInfo {
Emacs_Rectangle geom, work;
int mm_width, mm_height;
char *name;
};
extern void free_monitors (struct MonitorInfo *monitors, int n_monitors);
extern Lisp_Object make_monitor_attribute_list (struct MonitorInfo *monitors,
int n_monitors,
int primary_monitor,
Lisp_Object monitor_frames,
const char *source);
#endif /* HAVE_WINDOW_SYSTEM */
INLINE_HEADER_END
/* Suppress -Wsuggest-attribute=const if there are no scroll bars.
This is for functions like x_set_horizontal_scroll_bars that have
no effect in this case. */
#if ! USE_HORIZONTAL_SCROLL_BARS && GNUC_PREREQ (4, 6, 0)
# pragma GCC diagnostic ignored "-Wsuggest-attribute=const"
#endif
#endif /* not EMACS_FRAME_H */
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