/* Generic frame functions.
Copyright (C) 1993, 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+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, or (at your option)
-any later version.
+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
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdio.h>
+#include <ctype.h>
#include "lisp.h"
-#include "charset.h"
+#include "character.h"
#ifdef HAVE_X_WINDOWS
#include "xterm.h"
#endif
#include "commands.h"
#include "keyboard.h"
#include "frame.h"
-#ifdef HAVE_WINDOW_SYSTEM
-#include "fontset.h"
-#endif
#include "blockinput.h"
#include "termchar.h"
#include "termhooks.h"
#include "dispextern.h"
#include "window.h"
+#ifdef HAVE_WINDOW_SYSTEM
+#include "font.h"
+#include "fontset.h"
+#endif
#ifdef MSDOS
#include "msdos.h"
#include "dosfns.h"
Lisp_Object Vx_resource_class;
+/* Lower limit value of the frame opacity (alpha transparency). */
+
+Lisp_Object Vframe_alpha_lower_limit;
+
#endif
Lisp_Object Qframep, Qframe_live_p;
Lisp_Object Qvisible;
Lisp_Object Qdisplay_type;
Lisp_Object Qbackground_mode;
+Lisp_Object Qnoelisp;
Lisp_Object Qx_frame_parameter;
Lisp_Object Qx_resource_name;
#endif
Lisp_Object Qparent_id;
Lisp_Object Qtitle, Qname;
+Lisp_Object Qexplicit_name;
Lisp_Object Qunsplittable;
Lisp_Object Qmenu_bar_lines, Qtool_bar_lines;
Lisp_Object Qleft_fringe, Qright_fringe;
Lisp_Object Qbuffer_predicate, Qbuffer_list, Qburied_buffer_list;
Lisp_Object Qtty_color_mode;
Lisp_Object Qtty, Qtty_type;
-Lisp_Object Qwindow_system;
-Lisp_Object Qenvironment;
-Lisp_Object Qdisplay_environment_variable;
Lisp_Object Qfullscreen, Qfullwidth, Qfullheight, Qfullboth;
+Lisp_Object Qfont_backend;
+Lisp_Object Qalpha;
Lisp_Object Qinhibit_face_set_after_frame_default;
Lisp_Object Qface_set_after_frame_default;
Lisp_Object Vdefault_frame_scroll_bars;
Lisp_Object Vmouse_position_function;
Lisp_Object Vmouse_highlight;
-Lisp_Object Vdelete_frame_functions;
+static Lisp_Object Vdelete_frame_functions, Qdelete_frame_functions;
+
+int focus_follows_mouse;
\f
static void
set_menu_bar_lines_1 (window, n)
return Qnil;
else
return type;
-}
+}
struct frame *
make_frame (mini_p)
#endif
f->size_hint_flags = 0;
f->win_gravity = 0;
+ f->font_driver_list = NULL;
+ f->font_data_list = NULL;
root_window = make_window ();
if (mini_p)
struct terminal *terminal;
Lisp_Object frame;
-#ifdef MULTI_KBOARD
- /* Create the initial keyboard. */
- if (!initial_kboard)
- {
- initial_kboard = (KBOARD *) xmalloc (sizeof (KBOARD));
- init_kboard (initial_kboard);
- initial_kboard->next_kboard = all_kboards;
- all_kboards = initial_kboard;
- }
-#endif
+ eassert (initial_kboard);
/* The first call must initialize Vframe_list. */
if (! (NILP (Vframe_list) || CONSP (Vframe_list)))
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;
-
+
FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
}
else
f->output_method = output_termcap;
-#else
-#ifdef WINDOWSNT
- f->output_method = output_termcap;
- f->terminal = terminal;
- f->terminal->reference_count++;
- create_w32cons_output (f);
-#else
-#ifdef MAC_OS8
- make_mac_terminal_frame (f);
#else
{
f->output_method = output_termcap;
f->terminal = terminal;
f->terminal->reference_count++;
create_tty_output (f);
-
+
FRAME_FOREGROUND_PIXEL (f) = FACE_TTY_DEFAULT_FG_COLOR;
FRAME_BACKGROUND_PIXEL (f) = FACE_TTY_DEFAULT_BG_COLOR;
-
+
FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
FRAME_VERTICAL_SCROLL_BAR_TYPE (f) = vertical_scroll_bar_none;
if (FRAMEP (FRAME_TTY (f)->top_frame)
&& FRAME_LIVE_P (XFRAME (FRAME_TTY (f)->top_frame)))
XFRAME (FRAME_TTY (f)->top_frame)->async_visible = 2; /* obscured */
-
+
FRAME_TTY (f)->top_frame = frame;
}
-
+
#ifdef CANNOT_DUMP
FRAME_FOREGROUND_PIXEL(f) = FACE_TTY_DEFAULT_FG_COLOR;
FRAME_BACKGROUND_PIXEL(f) = FACE_TTY_DEFAULT_BG_COLOR;
#endif
-#endif /* MAC_OS8 */
-#endif /* WINDOWSNT */
#endif /* MSDOS */
if (!noninteractive)
abort ();
#else /* not MSDOS */
-#if 0 /* #ifdef MAC_OS */
+#if 0
/* This can happen for multi-tty when using both terminal frames and
Carbon frames. */
if (sf->output_method != output_mac)
#endif
#endif
#endif /* not MSDOS */
-
+
{
Lisp_Object terminal;
t = get_terminal (terminal, 1);
}
}
-
+
if (!t)
- {
+ {
char *name = 0, *type = 0;
Lisp_Object tty, tty_type;
strncpy (name, SDATA (tty), SBYTES (tty));
name[SBYTES (tty)] = 0;
}
-
+
tty_type = get_future_frame_param
(Qtty_type, parms, (FRAME_TERMCAP_P (XFRAME (selected_frame))
? FRAME_TTY (XFRAME (selected_frame))->type
get_tty_size (fileno (FRAME_TTY (f)->input), &width, &height);
change_frame_size (f, height, width, 0, 0, 0);
}
-
+
adjust_glyphs (f);
calculate_costs (f);
XSETFRAME (frame, f);
Fmodify_frame_parameters (frame, Vdefault_frame_alist);
Fmodify_frame_parameters (frame, parms);
- Fmodify_frame_parameters (frame, Fcons (Fcons (Qwindow_system, Qnil), Qnil));
Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty_type,
build_string (t->display_info.tty->type)),
Qnil));
Qnil));
else
Fmodify_frame_parameters (frame, Fcons (Fcons (Qtty, Qnil), Qnil));
-
+
/* Make the frame face alist be frame-specific, so that each
frame could change its face definitions independently. */
f->face_alist = Fcopy_alist (sf->face_alist);
if (!for_deletion && FRAME_HAS_MINIBUF_P (sf))
resize_mini_window (XWINDOW (FRAME_MINIBUF_WINDOW (sf)), 1);
- if (FRAME_TERMCAP_P (XFRAME (selected_frame))
- && FRAME_TERMCAP_P (XFRAME (frame))
- && FRAME_TTY (XFRAME (selected_frame)) == FRAME_TTY (XFRAME (frame)))
+ if (FRAME_TERMCAP_P (XFRAME (frame)))
{
- XFRAME (selected_frame)->async_visible = 2; /* obscured */
+ if (FRAMEP (FRAME_TTY (XFRAME (frame))->top_frame))
+ /* Mark previously displayed frame as now obscured. */
+ XFRAME (FRAME_TTY (XFRAME (frame))->top_frame)->async_visible = 2;
XFRAME (frame)->async_visible = 1;
FRAME_TTY (XFRAME (frame))->top_frame = frame;
}
Fselect_window (XFRAME (frame)->selected_window, Qnil);
-#ifndef WINDOWSNT
- /* Make sure to switch the tty color mode to that of the newly
- selected frame. */
- sf = SELECTED_FRAME ();
- if (FRAME_TERMCAP_P (sf))
- {
- Lisp_Object color_mode_spec, color_mode;
-
- color_mode_spec = assq_no_quit (Qtty_color_mode, sf->param_alist);
- if (CONSP (color_mode_spec))
- color_mode = XCDR (color_mode_spec);
- else
- color_mode = make_number (0);
- set_tty_color_mode (sf, color_mode);
- }
-#endif /* !WINDOWSNT */
-
/* 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
return Qnil;
}
+extern Lisp_Object Qrun_hook_with_args;
+
DEFUN ("delete-frame", Fdelete_frame, Sdelete_frame, 0, 2, "",
doc: /* Delete FRAME, permanently eliminating it from use.
If omitted, FRAME defaults to the selected frame.
This function runs `delete-frame-functions' before actually deleting the
frame, unless the frame is a tooltip.
-The functions are run with one arg, the frame to be deleted. */)
+The functions are run with one arg, the frame to be deleted.
+But FORCE inhibits this too. */)
+/* FORCE is non-nil when handling a disconnected terminal. */
(frame, force)
Lisp_Object frame, force;
{
if (! FRAME_LIVE_P (f))
return Qnil;
- if (NILP (force) && !other_visible_frames (f)
-#ifdef MAC_OS8
- /* Terminal frame deleted before any other visible frames are
- created. */
- && strcmp (SDATA (f->name), "F1") != 0
-#endif
- )
+ if (NILP (force) && !other_visible_frames (f))
error ("Attempt to delete the sole visible or iconified frame");
#if 0
&& EQ (frame,
WINDOW_FRAME (XWINDOW
(FRAME_MINIBUF_WINDOW (XFRAME (this))))))
- error ("Attempt to delete a surrogate minibuffer frame");
+ {
+ /* If we MUST delete this frame, delete the other first. */
+ if (!NILP (force))
+ Fdelete_frame (this, force);
+ else
+ error ("Attempt to delete a surrogate minibuffer frame");
+ }
}
}
- /* Run `delete-frame-functions' unless frame is a tooltip. */
- if (!NILP (Vrun_hooks)
- && NILP (Fframe_parameter (frame, intern ("tooltip"))))
- {
- Lisp_Object args[2];
- struct gcpro gcpro1, gcpro2;
-
- /* Don't let a rogue function in `delete-frame-functions'
- prevent the frame deletion. */
- GCPRO2 (args[0], args[1]);
- args[0] = intern ("delete-frame-functions");
- args[1] = frame;
- internal_condition_case_2 (Frun_hook_with_args, 2, args,
- Qt, delete_frame_handler);
- UNGCPRO;
- }
+ /* 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) || !NILP (Fframe_parameter (frame, intern ("tooltip"))))
+ ;
+ if (EQ (force, Qnoelisp))
+ pending_funcalls
+ = Fcons (list3 (Qrun_hook_with_args, Qdelete_frame_functions, frame),
+ pending_funcalls);
+ else
+ 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);
/* Don't let the frame remain selected. */
if (EQ (f->minibuffer_window, echo_area_window))
echo_area_window = sf->minibuffer_window;
- /* Don't allow other frames to refer to a deleted frame in their
- 'environment parameter. */
- {
- Lisp_Object tail, frame1;
- Lisp_Object env = get_frame_param (XFRAME (frame), Qenvironment);
- FOR_EACH_FRAME (tail, frame1)
- {
- if (EQ (frame, frame1) || !FRAME_LIVE_P (XFRAME (frame1)))
- continue;
- if (EQ (frame, get_frame_param (XFRAME (frame1), Qenvironment)))
- {
- store_frame_param (XFRAME (frame1), Qenvironment, env);
- if (!FRAMEP (env))
- env = frame1;
- }
- }
- }
-
/* Clear any X selections for this frame. */
#ifdef HAVE_X_WINDOWS
if (FRAME_X_P (f))
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_subwindows (XWINDOW (f->root_window));
Vframe_list = Fdelq (frame, Vframe_list);
FRAME_SET_VISIBLE (f, 0);
- if (f->namebuf)
- xfree (f->namebuf);
- if (f->decode_mode_spec_buffer)
- xfree (f->decode_mode_spec_buffer);
- if (FRAME_INSERT_COST (f))
- xfree (FRAME_INSERT_COST (f));
- if (FRAME_DELETEN_COST (f))
- xfree (FRAME_DELETEN_COST (f));
- if (FRAME_INSERTN_COST (f))
- xfree (FRAME_INSERTN_COST (f));
- if (FRAME_DELETE_COST (f))
- xfree (FRAME_DELETE_COST (f));
- if (FRAME_MESSAGE_BUF (f))
- xfree (FRAME_MESSAGE_BUF (f));
+ xfree (f->namebuf);
+ 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));
+ xfree (FRAME_MESSAGE_BUF (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
{
struct terminal *terminal = FRAME_TERMINAL (f);
- f->output_data.nothing = 0;
+ f->output_data.nothing = 0;
f->terminal = 0; /* Now the frame is dead. */
/* If needed, delete the terminal that this frame was on.
terminal->reference_count--;
if (terminal->reference_count == 0)
{
+ Lisp_Object tmp;
+ XSETTERMINAL (tmp, terminal);
+
kb = NULL;
- if (terminal->delete_terminal_hook)
- (*terminal->delete_terminal_hook) (terminal);
- else
- delete_terminal (terminal);
+ Fdelete_terminal (tmp, NILP (force) ? Qt : force);
}
#ifdef MULTI_KBOARD
else
CHECK_LIVE_FRAME (frame);
f = XFRAME (frame);
-
+
/* Do like the documentation says. */
Fmake_frame_visible (frame);
Lisp_Object frame;
{
struct frame *f;
-
+
if (NILP (frame))
frame = selected_frame;
CHECK_LIVE_FRAME (frame);
f = XFRAME (frame);
-
+
if (FRAME_TERMINAL (f)->frame_raise_lower_hook)
(*FRAME_TERMINAL (f)->frame_raise_lower_hook) (f, 0);
Lisp_Object frame, focus_frame;
{
struct frame *f;
-
+
/* 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. */
CHECK_LIVE_FRAME (focus_frame);
f = XFRAME (frame);
-
+
f->focus_frame = focus_frame;
if (FRAME_TERMINAL (f)->frame_rehighlight_hook)
static int
frame_name_fnn_p (str, len)
char *str;
- int len;
+ EMACS_INT len;
{
if (len > 1 && str[0] == 'F')
{
{
Lisp_Object valcontents;
valcontents = SYMBOL_VALUE (prop);
- if ((BUFFER_LOCAL_VALUEP (valcontents)
- || SOME_BUFFER_LOCAL_VALUEP (valcontents))
+ if ((BUFFER_LOCAL_VALUEP (valcontents))
&& XBUFFER_LOCAL_VALUE (valcontents)->check_frame
&& XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame
&& XFRAME (XBUFFER_LOCAL_VALUE (valcontents)->frame) == f)
}
#ifndef WINDOWSNT
- /* The tty color mode needs to be set before the frame's parameter
- alist is updated with the new value, because set_tty_color_mode
- wants to look at the old mode. */
- if (FRAME_TERMCAP_P (f) && EQ (prop, Qtty_color_mode))
- set_tty_color_mode (f, val);
+ /* 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;
#endif
/* Update the frame parameter alist. */
unspecified and reversed, take the frame's background pixel
for foreground and vice versa. */
elt = Fassq (Qforeground_color, alist);
- if (!NILP (elt) && CONSP (elt) && STRINGP (XCDR (elt)))
+ if (CONSP (elt) && STRINGP (XCDR (elt)))
{
if (strncmp (SDATA (XCDR (elt)),
unspecified_bg,
else
store_in_alist (&alist, Qforeground_color, tty_color_name (f, fg));
elt = Fassq (Qbackground_color, alist);
- if (!NILP (elt) && CONSP (elt) && STRINGP (XCDR (elt)))
+ if (CONSP (elt) && STRINGP (XCDR (elt)))
{
if (strncmp (SDATA (XCDR (elt)),
unspecified_fg,
/* Extract parm names and values into those vectors. */
i = 0;
- for (tail = alist; CONSP (tail); tail = Fcdr (tail))
+ for (tail = alist; CONSP (tail); tail = XCDR (tail))
{
Lisp_Object elt;
- elt = Fcar (tail);
+ elt = XCAR (tail);
parms[i] = Fcar (elt);
values[i] = Fcdr (elt);
i++;
}
return Qnil;
}
-
-DEFUN ("frame-with-environment", Fframe_with_environment, Sframe_with_environment, 0, 1, 0,
- doc: /* Return the frame that has the environment variable list for FRAME.
-
-The frame-local environment variable list is normally shared between
-frames that were created in the same Emacsclient session. The
-environment list is stored in a single frame's 'environment parameter;
-the other frames' 'environment parameter is set to this frame. This
-function follows the chain of 'environment references to reach the
-frame that stores the actual local environment list, and returns that
-frame. */)
- (frame)
- Lisp_Object frame;
-{
- Lisp_Object hare, tortoise;
-
- if (NILP (frame))
- frame = selected_frame;
- CHECK_FRAME (frame);
-
- hare = tortoise = get_frame_param (XFRAME (frame), Qenvironment);
- while (!NILP (hare) && FRAMEP (hare))
- {
- frame = hare;
- hare = get_frame_param (XFRAME (hare), Qenvironment);
- if (NILP (hare) || !FRAMEP (hare))
- break;
- frame = hare;
- hare = get_frame_param (XFRAME (hare), Qenvironment);
- tortoise = get_frame_param (XFRAME (tortoise), Qenvironment);
- if (EQ (hare, tortoise))
- error ("Cyclic frame-local environment indirection");
- }
-
- return frame;
-}
-
\f
DEFUN ("frame-char-height", Fframe_char_height, Sframe_char_height,
0, 1, 0,
{"right-fringe", &Qright_fringe},
{"wait-for-wm", &Qwait_for_wm},
{"fullscreen", &Qfullscreen},
+ {"font-backend", &Qfont_backend},
+ {"alpha", &Qalpha}
};
#ifdef HAVE_WINDOW_SYSTEM
/* Extract parm names and values into those vectors. */
i = 0;
- for (tail = alist; CONSP (tail); tail = Fcdr (tail))
+ for (tail = alist; CONSP (tail); tail = XCDR (tail))
{
Lisp_Object elt;
- elt = Fcar (tail);
+ elt = XCAR (tail);
parms[i] = Fcar (elt);
values[i] = Fcdr (elt);
i++;
tem = Qnil;
else
XSETFASTINT (tem, FRAME_X_OUTPUT (f)->parent_desc);
+ store_in_alist (alistptr, Qexplicit_name, (f->explicit_name ? Qt : Qnil));
store_in_alist (alistptr, Qparent_id, tem);
}
else if (EQ (new_value, Qfullheight))
f->want_fullscreen = FULLSCREEN_HEIGHT;
- if (FRAME_TERMINAL (f)->fullscreen_hook != NULL)
+ if (FRAME_TERMINAL (f)->fullscreen_hook != NULL)
FRAME_TERMINAL (f)->fullscreen_hook (f);
}
struct frame *f;
Lisp_Object arg, oldval;
{
- Lisp_Object result;
- Lisp_Object fontset_name;
Lisp_Object frame;
- int old_fontset = FRAME_FONTSET(f);
-
- CHECK_STRING (arg);
+ int fontset = -1;
+ Lisp_Object font_object;
- fontset_name = Fquery_fontset (arg, Qnil);
+ /* Set the frame parameter back to the old value because we mail
+ fail to use ARG as the new parameter value. */
+ store_frame_param (f, Qfont, oldval);
- BLOCK_INPUT;
- result = (STRINGP (fontset_name)
- ? x_new_fontset (f, SDATA (fontset_name))
- : x_new_font (f, SDATA (arg)));
- UNBLOCK_INPUT;
-
- if (EQ (result, Qnil))
- error ("Font `%s' is not defined", SDATA (arg));
- else if (EQ (result, Qt))
- error ("The characters of the given font have varying widths");
- else if (STRINGP (result))
+ /* ARG is a fontset name, a font name, or a font object.
+ In the last case, this function never fail. */
+ if (STRINGP (arg))
{
- set_default_ascii_font (result);
- if (STRINGP (fontset_name))
+ fontset = fs_query_fontset (arg, 0);
+ if (fontset < 0)
{
- /* Fontset names are built from ASCII font names, so the
- names may be equal despite there was a change. */
- if (old_fontset == FRAME_FONTSET (f))
- return;
+ font_object = font_open_by_name (f, SDATA (arg));
+ if (NILP (font_object))
+ error ("Font `%s' is not defined", SDATA (arg));
+ arg = AREF (font_object, FONT_NAME_INDEX);
}
- else if (!NILP (Fequal (result, oldval)))
- return;
-
- /* Recalculate toolbar height. */
- f->n_tool_bar_rows = 0;
- /* Ensure we redraw it. */
- clear_current_matrices (f);
+ else if (fontset > 0)
+ {
+ Lisp_Object ascii_font = fontset_ascii (fontset);
- store_frame_param (f, Qfont, result);
- recompute_basic_faces (f);
+ font_object = font_open_by_name (f, SDATA (ascii_font));
+ if (NILP (font_object))
+ error ("Font `%s' is not defined", SDATA (arg));
+ arg = fontset_name (fontset);
+ }
+ else
+ error ("The default fontset can't be used for a frame font");
+ }
+ else if (FONT_OBJECT_P (arg))
+ {
+ font_object = arg;
+ /* This is store the XLFD font name in the frame parameter for
+ backward compatiblity. We should store the font-object
+ itself in the future. */
+ arg = AREF (font_object, FONT_NAME_INDEX);
}
else
- abort ();
+ 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);
+ /* Recalculate toolbar height. */
+ f->n_tool_bar_rows = 0;
+ /* Ensure we redraw it. */
+ clear_current_matrices (f);
+
+ recompute_basic_faces (f);
do_pending_window_change (0);
if (FRAME_FACE_CACHE (f))
{
XSETFRAME (frame, f);
- call1 (Qface_set_after_frame_default, frame);
+ /* 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'). */
+ /* call1 (Qface_set_after_frame_default, frame); */
+ }
+}
+
+
+void
+x_set_font_backend (f, new_value, old_value)
+ struct frame *f;
+ Lisp_Object new_value, old_value;
+{
+ if (! NILP (new_value)
+ && !CONSP (new_value))
+ {
+ char *p0, *p1;
+
+ CHECK_STRING (new_value);
+ p0 = p1 = SDATA (new_value);
+ new_value = Qnil;
+ while (*p0)
+ {
+ while (*p1 && ! 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) && 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_count;
+ ++windows_or_buffers_changed;
}
}
return Qnil;
}
+void
+x_set_alpha (f, arg, oldval)
+ struct frame *f;
+ Lisp_Object arg, oldval;
+{
+ double alpha = 1.0;
+ double newval[2];
+ int i, ialpha;
+ 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))
+ {
+ if (FLOATP (item))
+ {
+ alpha = XFLOAT_DATA (item);
+ if (alpha < 0.0 || 1.0 < alpha)
+ args_out_of_range (make_float (0.0), make_float (1.0));
+ }
+ else if (INTEGERP (item))
+ {
+ ialpha = XINT (item);
+ if (ialpha < 0 || 100 < ialpha)
+ args_out_of_range (make_number (0), make_number (100));
+ else
+ 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)
+ BLOCK_INPUT;
+ x_set_frame_alpha (f);
+ UNBLOCK_INPUT;
+#endif
+
+ return;
+}
+
\f
/* Subroutines of creating an X frame. */
int width, height;
/* It takes both for some WM:s to place it where we want */
- window_prompting = USPosition | PPosition;
+ window_prompting |= USPosition | PPosition;
x_fullscreen_adjust (f, &width, &height, &top, &left);
FRAME_COLS (f) = width;
FRAME_LINES (f) = height;
staticpro (&Qframep);
Qframe_live_p = intern ("frame-live-p");
staticpro (&Qframe_live_p);
+ Qexplicit_name = intern ("explicit-name");
+ staticpro (&Qexplicit_name);
Qheight = intern ("height");
staticpro (&Qheight);
Qicon = intern ("icon");
staticpro (&Qdisplay_type);
Qbackground_mode = intern ("background-mode");
staticpro (&Qbackground_mode);
+ Qnoelisp = intern ("noelisp");
+ staticpro (&Qnoelisp);
Qtty_color_mode = intern ("tty-color-mode");
staticpro (&Qtty_color_mode);
Qtty = intern ("tty");
staticpro (&Qtty);
Qtty_type = intern ("tty-type");
staticpro (&Qtty_type);
- Qwindow_system = intern ("window-system");
- staticpro (&Qwindow_system);
- Qenvironment = intern ("environment");
- staticpro (&Qenvironment);
-
- Qdisplay_environment_variable = intern ("display-environment-variable");
- staticpro (&Qdisplay_environment_variable);
Qface_set_after_frame_default = intern ("face-set-after-frame-default");
staticpro (&Qface_set_after_frame_default);
staticpro (&Qterminal);
Qterminal_live_p = intern ("terminal-live-p");
staticpro (&Qterminal_live_p);
-
+
{
int i;
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.
+The default is 20. */);
+ Vframe_alpha_lower_limit = make_number (20);
#endif
DEFVAR_LISP ("default-frame-alist", &Vdefault_frame_alist,
The functions are run with one arg, the frame to be deleted.
See `delete-frame'.
-Note that functions in this list may be called twice on the same
-frame. In the second invocation, the frame is already deleted, and
-the function should do nothing. (You can use `frame-live-p' to check
-for this.) This wrinkle happens when an earlier function in
-`delete-frame-functions' (indirectly) calls delete-frame
-recursively. */);
+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;
+ Qdelete_frame_functions = intern ("delete-frame-functions");
+ staticpro (&Qdelete_frame_functions);
DEFVAR_KBOARD ("default-minibuffer-frame", Vdefault_minibuffer_frame,
doc: /* Minibufferless frames use this frame's minibuffer.
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. */);
+#ifdef HAVE_WINDOW_SYSTEM
+#if defined(HAVE_NTGUI) || defined(MAC_OS)
+ focus_follows_mouse = 0;
+#else
+ focus_follows_mouse = 1;
+#endif
+#else
+ focus_follows_mouse = 0;
+#endif
+
staticpro (&Vframe_list);
defsubr (&Sactive_minibuffer_window);
defsubr (&Sframe_parameters);
defsubr (&Sframe_parameter);
defsubr (&Smodify_frame_parameters);
- defsubr (&Sframe_with_environment);
defsubr (&Sframe_char_height);
defsubr (&Sframe_char_width);
defsubr (&Sframe_pixel_height);