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 "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"
#ifdef HAVE_WINDOW_SYSTEM
-#ifdef USE_FONT_BACKEND
-#include "font.h"
-#endif /* USE_FONT_BACKEND */
-
/* The name we're using in resource queries. Most often "emacs". */
Lisp_Object Vx_resource_name;
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;
Lisp_Object Qtty, Qtty_type;
Lisp_Object Qfullscreen, Qfullwidth, Qfullheight, Qfullboth;
-#ifdef USE_FONT_BACKEND
Lisp_Object Qfont_backend;
-#endif /* USE_FONT_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
#endif
f->size_hint_flags = 0;
f->win_gravity = 0;
-#ifdef USE_FONT_BACKEND
f->font_driver_list = NULL;
f->font_data_list = NULL;
-#endif /* USE_FONT_BACKEND */
root_window = make_window ();
if (mini_p)
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;
{
&& 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. */
memory. */
free_glyphs (f);
-#ifdef USE_FONT_BACKEND
+#ifdef HAVE_WINDOW_SYSTEM
/* Give chance to each font driver to free a frame specific data. */
font_update_drivers (f, Qnil);
-#endif /* USE_FONT_BACKEND */
+#endif
/* Mark all the windows that used to be on FRAME as deleted, and then
remove the reference to them. */
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
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
}
#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. */
/* 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++;
{"right-fringe", &Qright_fringe},
{"wait-for-wm", &Qwait_for_wm},
{"fullscreen", &Qfullscreen},
-#ifdef USE_FONT_BACKEND
- {"font-backend", &Qfont_backend}
-#endif /* USE_FONT_BACKEND */
+ {"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++;
struct frame *f;
Lisp_Object arg, oldval;
{
- Lisp_Object result;
- Lisp_Object fontset_name;
Lisp_Object frame;
- int old_fontset = FRAME_FONTSET(f);
+ int fontset = -1;
+ Lisp_Object font_object;
-#ifdef USE_FONT_BACKEND
- if (enable_font_backend)
- {
- int fontset = -1;
- Lisp_Object font_object;
+ /* 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);
- /* ARG is a fontset name, a font name, or a font object.
- In the last case, this function never fail. */
- if (STRINGP (arg))
+ /* ARG is a fontset name, a font name, or a font object.
+ In the last case, this function never fail. */
+ if (STRINGP (arg))
+ {
+ fontset = fs_query_fontset (arg, 0);
+ if (fontset < 0)
{
- fontset = fs_query_fontset (arg, 0);
- if (fontset < 0)
- font_object = font_open_by_name (f, SDATA (arg));
- else if (fontset > 0)
- {
- Lisp_Object ascii_font = fontset_ascii (fontset);
-
- font_object = font_open_by_name (f, SDATA (ascii_font));
- }
+ 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
- font_object = arg;
-
- if (fontset < 0 && ! NILP (font_object))
- fontset = new_fontset_from_font (font_object);
+ else if (fontset > 0)
+ {
+ Lisp_Object ascii_font = fontset_ascii (fontset);
- if (fontset == 0)
- /* Refuse the default fontset. */
- result = Qt;
- else if (NILP (font_object))
- result = Qnil;
+ 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
- result = x_new_fontset2 (f, fontset, font_object);
+ error ("The default fontset can't be used for a frame font");
}
- else
+ else if (FONT_OBJECT_P (arg))
{
-#endif /* USE_FONT_BACKEND */
- CHECK_STRING (arg);
-
- fontset_name = Fquery_fontset (arg, Qnil);
-
- BLOCK_INPUT;
- result = (STRINGP (fontset_name)
- ? x_new_fontset (f, fontset_name)
- : x_new_fontset (f, arg));
- UNBLOCK_INPUT;
-#ifdef USE_FONT_BACKEND
+ 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);
}
-#endif
-
- if (EQ (result, Qnil))
- error ("Font `%s' is not defined", SDATA (arg));
- else if (EQ (result, Qt))
- error ("The default fontset can't be used for a frame font");
- else if (STRINGP (result))
- {
- set_default_ascii_font (result);
- if (STRINGP (fontset_name))
- {
- /* 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;
- }
- store_frame_param (f, Qfont, result);
-
- if (!NILP (Fequal (result, oldval)))
- return;
+ else
+ signal_error ("Invalid font", arg);
- /* Recalculate toolbar height. */
- f->n_tool_bar_rows = 0;
- /* Ensure we redraw it. */
- clear_current_matrices (f);
+ 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);
- }
- else
- abort ();
+ recompute_basic_faces (f);
do_pending_window_change (0);
}
-#ifdef USE_FONT_BACKEND
void
x_set_font_backend (f, new_value, old_value)
struct frame *f;
if (! NILP (old_value) && ! NILP (Fequal (old_value, new_value)))
return;
- if (FRAME_FONT_OBJECT (f))
+ if (FRAME_FONT (f))
free_all_realized_faces (Qnil);
new_value = font_update_drivers (f, NILP (new_value) ? Qt : new_value);
}
store_frame_param (f, Qfont_backend, new_value);
- if (FRAME_FONT_OBJECT (f))
+ if (FRAME_FONT (f))
{
Lisp_Object frame;
++windows_or_buffers_changed;
}
}
-#endif /* USE_FONT_BACKEND */
void
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];
+
+#ifdef HAVE_X_WINDOWS
+ BLOCK_INPUT;
+ x_set_frame_alpha (f);
+ UNBLOCK_INPUT;
+#endif
+
+ return;
+}
+
\f
/* Subroutines of creating an X frame. */
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");
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.
HCoop / bpt / emacs.git / blobdiff