1 /* X Communication module for terminals which understand the X protocol.
2 Copyright (C) 1989, 93, 94, 95, 1996 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Xt features made by Fred Pierresteguy. */
23 /* On 4.3 these lose if they come after xterm.h. */
24 /* On HP-UX 8.0 signal.h loses if it comes after config.h. */
25 /* Putting these at the beginning seems to be standard for other .c files. */
32 /* Need syssignal.h for various externs and definitions that may be required
33 by some configurations for calls to signal later in this source file. */
34 #include "syssignal.h"
39 #include "blockinput.h"
41 /* This may include sys/types.h, and that somehow loses
42 if this is not done before the other system files. */
44 #include <X11/cursorfont.h>
47 /* Load sys/types.h if not already loaded.
48 In some systems loading it twice is suicidal. */
50 #include <sys/types.h>
55 #include <sys/ioctl.h>
56 #endif /* ! defined (BSD) */
61 #ifndef INCLUDED_FCNTL
68 /* Caused redefinition of DBL_DIG on Netbsd; seems not to be needed. */
69 /* #include <sys/param.h> */
72 #include "dispextern.h"
73 #include "termhooks.h"
85 #include "intervals.h"
88 extern void free_frame_menubar ();
89 extern FRAME_PTR
x_menubar_window_to_frame ();
90 #if (XtSpecificationRelease >= 5) && !defined(NO_EDITRES)
92 extern void _XEditResCheckMessages ();
93 #endif /* not NO_EDITRES */
94 #endif /* USE_X_TOOLKIT */
97 #define x_any_window_to_frame x_window_to_frame
98 #define x_top_window_to_frame x_window_to_frame
103 #ifndef XtNinitialState
104 #define XtNinitialState "initialState"
108 #ifdef HAVE_SETLOCALE
109 /* So we can do setlocale. */
114 #define X_CONNECTION_LOCK_FLAG XlibDisplayWriting
118 #define min(a,b) ((a)<(b) ? (a) : (b))
121 #define max(a,b) ((a)>(b) ? (a) : (b))
124 /* This is a chain of structures for all the X displays currently in use. */
125 struct x_display_info
*x_display_list
;
127 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
128 one for each element of x_display_list and in the same order.
129 NAME is the name of the frame.
130 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
131 Lisp_Object x_display_name_list
;
133 /* Frame being updated by update_frame. This is declared in term.c.
134 This is set by update_begin and looked at by all the
135 XT functions. It is zero while not inside an update.
136 In that case, the XT functions assume that `selected_frame'
137 is the frame to apply to. */
138 extern struct frame
*updating_frame
;
140 /* This is a frame waiting to be autoraised, within XTread_socket. */
141 struct frame
*pending_autoraise_frame
;
144 /* The application context for Xt use. */
145 XtAppContext Xt_app_con
;
147 static String Xt_default_resources
[] =
153 /* During an update, maximum vpos for ins/del line operations to affect. */
155 static int flexlines
;
157 /* During an update, nonzero if chars output now should be highlighted. */
159 static int highlight
;
161 /* Nominal cursor position -- where to draw output.
162 During an update, these are different from the cursor-box position. */
169 Formerly, we used PointerMotionHintMask (in STANDARD_EVENT_MASK)
170 so that we would have to call XQueryPointer after each MotionNotify
171 event to ask for another such event. However, this made mouse tracking
172 slow, and there was a bug that made it eventually stop.
174 Simply asking for MotionNotify all the time seems to work better.
176 In order to avoid asking for motion events and then throwing most
177 of them away or busy-polling the server for mouse positions, we ask
178 the server for pointer motion hints. This means that we get only
179 one event per group of mouse movements. "Groups" are delimited by
180 other kinds of events (focus changes and button clicks, for
181 example), or by XQueryPointer calls; when one of these happens, we
182 get another MotionNotify event the next time the mouse moves. This
183 is at least as efficient as getting motion events when mouse
184 tracking is on, and I suspect only negligibly worse when tracking
187 /* Where the mouse was last time we reported a mouse event. */
188 static FRAME_PTR last_mouse_frame
;
189 static XRectangle last_mouse_glyph
;
191 /* The scroll bar in which the last X motion event occurred.
193 If the last X motion event occurred in a scroll bar, we set this
194 so XTmouse_position can know whether to report a scroll bar motion or
197 If the last X motion event didn't occur in a scroll bar, we set this
198 to Qnil, to tell XTmouse_position to return an ordinary motion event. */
199 static Lisp_Object last_mouse_scroll_bar
;
201 /* This is a hack. We would really prefer that XTmouse_position would
202 return the time associated with the position it returns, but there
203 doesn't seem to be any way to wrest the timestamp from the server
204 along with the position query. So, we just keep track of the time
205 of the last movement we received, and return that in hopes that
206 it's somewhat accurate. */
207 static Time last_mouse_movement_time
;
209 /* Incremented by XTread_socket whenever it really tries to read events. */
211 static int volatile input_signal_count
;
213 static int input_signal_count
;
216 /* Used locally within XTread_socket. */
217 static int x_noop_count
;
219 /* Initial values of argv and argc. */
220 extern char **initial_argv
;
221 extern int initial_argc
;
223 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
225 /* Tells if a window manager is present or not. */
227 extern Lisp_Object Vx_no_window_manager
;
229 extern Lisp_Object Qface
, Qmouse_face
;
233 /* A mask of extra modifier bits to put into every keyboard char. */
234 extern int extra_keyboard_modifiers
;
236 static Lisp_Object Qvendor_specific_keysyms
;
238 extern XrmDatabase
x_load_resources ();
240 extern Lisp_Object
x_icon_type ();
242 void x_delete_display ();
244 static void redraw_previous_char ();
245 static void redraw_following_char ();
246 static unsigned int x_x_to_emacs_modifiers ();
248 static int fast_find_position ();
249 static void note_mouse_highlight ();
250 static void clear_mouse_face ();
251 static void show_mouse_face ();
252 static void do_line_dance ();
254 static int XTcursor_to ();
255 static int XTclear_end_of_line ();
256 static int x_io_error_quitter ();
257 void x_catch_errors ();
258 void x_uncatch_errors ();
261 /* This is a function useful for recording debugging information
262 about the sequence of occurrences in this file. */
270 struct record event_record
[100];
272 int event_record_index
;
274 record_event (locus
, type
)
278 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
279 event_record_index
= 0;
281 event_record
[event_record_index
].locus
= locus
;
282 event_record
[event_record_index
].type
= type
;
283 event_record_index
++;
288 /* Return the struct x_display_info corresponding to DPY. */
290 struct x_display_info
*
291 x_display_info_for_display (dpy
)
294 struct x_display_info
*dpyinfo
;
296 for (dpyinfo
= x_display_list
; dpyinfo
; dpyinfo
= dpyinfo
->next
)
297 if (dpyinfo
->display
== dpy
)
303 /* Starting and ending updates.
305 These hooks are called by update_frame at the beginning and end
306 of a frame update. We record in `updating_frame' the identity
307 of the frame being updated, so that the XT... functions do not
308 need to take a frame as argument. Most of the XT... functions
309 should never be called except during an update, the only exceptions
310 being XTcursor_to, XTwrite_glyphs and XTreassert_line_highlight. */
321 flexlines
= f
->height
;
326 if (f
== FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_frame
)
328 /* Don't do highlighting for mouse motion during the update. */
329 FRAME_X_DISPLAY_INFO (f
)->mouse_face_defer
= 1;
331 /* If the frame needs to be redrawn,
332 simply forget about any prior mouse highlighting. */
333 if (FRAME_GARBAGED_P (f
))
334 FRAME_X_DISPLAY_INFO (f
)->mouse_face_window
= Qnil
;
336 if (!NILP (FRAME_X_DISPLAY_INFO (f
)->mouse_face_window
))
338 int firstline
, lastline
, i
;
339 struct window
*w
= XWINDOW (FRAME_X_DISPLAY_INFO (f
)->mouse_face_window
);
341 /* Find the first, and the last+1, lines affected by redisplay. */
342 for (firstline
= 0; firstline
< f
->height
; firstline
++)
343 if (FRAME_DESIRED_GLYPHS (f
)->enable
[firstline
])
346 lastline
= f
->height
;
347 for (i
= f
->height
- 1; i
>= 0; i
--)
349 if (FRAME_DESIRED_GLYPHS (f
)->enable
[i
])
355 /* Can we tell that this update does not affect the window
356 where the mouse highlight is? If so, no need to turn off.
357 Likewise, don't do anything if the frame is garbaged;
358 in that case, the FRAME_CURRENT_GLYPHS that we would use
359 are all wrong, and we will redisplay that line anyway. */
360 if (! (firstline
> (XFASTINT (w
->top
) + window_internal_height (w
))
361 || lastline
< XFASTINT (w
->top
)))
362 clear_mouse_face (FRAME_X_DISPLAY_INFO (f
));
378 x_display_cursor (f
, 1);
380 if (f
== FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_frame
)
381 FRAME_X_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
383 /* This fails in the case of having updated only the echo area
384 if we have switched buffers. In that case, FRAME_CURRENT_GLYPHS
385 has no relation to the current contents, and its charstarts
386 have no relation to the contents of the window-buffer.
387 I don't know a clean way to check
388 for that case. window_end_valid isn't set up yet. */
389 if (f
== FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_frame
)
390 note_mouse_highlight (f
, FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_x
,
391 FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_y
);
394 XFlush (FRAME_X_DISPLAY (f
));
398 /* This is called after a redisplay on frame F. */
401 XTframe_up_to_date (f
)
405 if (FRAME_X_DISPLAY_INFO (f
)->mouse_face_deferred_gc
406 || f
== FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_frame
)
408 note_mouse_highlight (FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_frame
,
409 FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_x
,
410 FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_y
);
411 FRAME_X_DISPLAY_INFO (f
)->mouse_face_deferred_gc
= 0;
416 /* External interface to control of standout mode.
417 Call this when about to modify line at position VPOS
418 and not change whether it is highlighted. */
420 XTreassert_line_highlight (new, vpos
)
426 /* Call this when about to modify line at position VPOS
427 and change whether it is highlighted. */
430 XTchange_line_highlight (new_highlight
, vpos
, first_unused_hpos
)
431 int new_highlight
, vpos
, first_unused_hpos
;
433 highlight
= new_highlight
;
434 XTcursor_to (vpos
, 0);
435 XTclear_end_of_line (updating_frame
->width
);
438 /* This is used when starting Emacs and when restarting after suspend.
439 When starting Emacs, no X window is mapped. And nothing must be done
440 to Emacs's own window if it is suspended (though that rarely happens). */
443 XTset_terminal_modes ()
447 /* This is called when exiting or suspending Emacs.
448 Exiting will make the X-windows go away, and suspending
449 requires no action. */
452 XTreset_terminal_modes ()
454 /* XTclear_frame (); */
457 /* Set the nominal cursor position of the frame.
458 This is where display update commands will take effect.
459 This does not affect the place where the cursor-box is displayed. */
462 XTcursor_to (row
, col
)
463 register int row
, col
;
471 if (updating_frame
== 0)
474 x_display_cursor (selected_frame
, 1);
475 XFlush (FRAME_X_DISPLAY (selected_frame
));
480 /* Display a sequence of N glyphs found at GP.
481 WINDOW is the x-window to output to. LEFT and TOP are starting coords.
482 HL is 1 if this text is highlighted, 2 if the cursor is on it,
483 3 if should appear in its mouse-face.
484 JUST_FOREGROUND if 1 means draw only the foreground;
485 don't alter the background.
487 FONT is the default font to use (for glyphs whose font-code is 0).
489 Since the display generation code is responsible for calling
490 compute_char_face and compute_glyph_face on everything it puts in
491 the display structure, we can assume that the face code on each
492 glyph is a valid index into FRAME_COMPUTED_FACES (f), and the one
493 to which we can actually apply intern_face.
494 Call this function with input blocked. */
497 /* This is the multi-face code. */
500 dumpglyphs (f
, left
, top
, gp
, n
, hl
, just_foreground
)
503 register GLYPH
*gp
; /* Points to first GLYPH. */
504 register int n
; /* Number of glyphs to display. */
508 /* Holds characters to be displayed. */
509 char *buf
= (char *) alloca (f
->width
* sizeof (*buf
));
510 register char *cp
; /* Steps through buf[]. */
511 register int tlen
= GLYPH_TABLE_LENGTH
;
512 register Lisp_Object
*tbase
= GLYPH_TABLE_BASE
;
513 Window window
= FRAME_X_WINDOW (f
);
514 int orig_left
= left
;
518 /* Get the face-code of the next GLYPH. */
522 GLYPH_FOLLOW_ALIASES (tbase
, tlen
, g
);
523 cf
= FAST_GLYPH_FACE (g
);
525 /* Find the run of consecutive glyphs with the same face-code.
526 Extract their character codes into BUF. */
531 GLYPH_FOLLOW_ALIASES (tbase
, tlen
, g
);
532 if (FAST_GLYPH_FACE (g
) != cf
)
535 *cp
++ = FAST_GLYPH_CHAR (g
);
540 /* LEN gets the length of the run. */
543 /* Now output this run of chars, with the font and pixel values
544 determined by the face code CF. */
546 struct face
*face
= FRAME_DEFAULT_FACE (f
);
547 XFontStruct
*font
= FACE_FONT (face
);
548 GC gc
= FACE_GC (face
);
551 /* HL = 3 means use a mouse face previously chosen. */
553 cf
= FRAME_X_DISPLAY_INFO (f
)->mouse_face_face_id
;
555 /* First look at the face of the text itself. */
558 /* It's possible for the display table to specify
559 a face code that is out of range. Use 0 in that case. */
560 if (cf
< 0 || cf
>= FRAME_N_COMPUTED_FACES (f
)
561 || FRAME_COMPUTED_FACES (f
) [cf
] == 0)
565 face
= FRAME_MODE_LINE_FACE (f
);
567 face
= intern_face (f
, FRAME_COMPUTED_FACES (f
) [cf
]);
568 font
= FACE_FONT (face
);
570 if (FACE_STIPPLE (face
))
574 /* Then comes the distinction between modeline and normal text. */
579 face
= FRAME_MODE_LINE_FACE (f
);
580 font
= FACE_FONT (face
);
582 if (FACE_STIPPLE (face
))
586 #define FACE_DEFAULT (~0)
588 /* Now override that if the cursor's on this character. */
591 /* The cursor overrides stippling. */
595 || face
->font
== (XFontStruct
*) FACE_DEFAULT
596 || face
->font
== f
->output_data
.x
->font
)
597 && face
->background
== f
->output_data
.x
->background_pixel
598 && face
->foreground
== f
->output_data
.x
->foreground_pixel
)
600 gc
= f
->output_data
.x
->cursor_gc
;
602 /* Cursor on non-default face: must merge. */
608 xgcv
.background
= f
->output_data
.x
->cursor_pixel
;
609 xgcv
.foreground
= face
->background
;
610 /* If the glyph would be invisible,
611 try a different foreground. */
612 if (xgcv
.foreground
== xgcv
.background
)
613 xgcv
.foreground
= face
->foreground
;
614 if (xgcv
.foreground
== xgcv
.background
)
615 xgcv
.foreground
= f
->output_data
.x
->cursor_foreground_pixel
;
616 if (xgcv
.foreground
== xgcv
.background
)
617 xgcv
.foreground
= face
->foreground
;
618 /* Make sure the cursor is distinct from text in this face. */
619 if (xgcv
.background
== face
->background
620 && xgcv
.foreground
== face
->foreground
)
622 xgcv
.background
= face
->foreground
;
623 xgcv
.foreground
= face
->background
;
625 xgcv
.font
= face
->font
->fid
;
626 xgcv
.graphics_exposures
= 0;
627 mask
= GCForeground
| GCBackground
| GCFont
| GCGraphicsExposures
;
628 if (FRAME_X_DISPLAY_INFO (f
)->scratch_cursor_gc
)
629 XChangeGC (FRAME_X_DISPLAY (f
),
630 FRAME_X_DISPLAY_INFO (f
)->scratch_cursor_gc
,
633 FRAME_X_DISPLAY_INFO (f
)->scratch_cursor_gc
634 = XCreateGC (FRAME_X_DISPLAY (f
), window
, mask
, &xgcv
);
635 gc
= FRAME_X_DISPLAY_INFO (f
)->scratch_cursor_gc
;
637 /* If this code is restored, it must also reset to the default stipple
639 if (face
->stipple
&& face
->stipple
!= FACE_DEFAULT
)
640 XSetStipple (FRAME_X_DISPLAY (f
), gc
, face
->stipple
);
645 if (font
== (XFontStruct
*) FACE_DEFAULT
)
646 font
= f
->output_data
.x
->font
;
649 XDrawString (FRAME_X_DISPLAY (f
), window
, gc
,
650 left
, top
+ FONT_BASE (font
), buf
, len
);
655 /* Turn stipple on. */
656 XSetFillStyle (FRAME_X_DISPLAY (f
), gc
, FillOpaqueStippled
);
658 /* Draw stipple on background. */
659 XFillRectangle (FRAME_X_DISPLAY (f
), window
, gc
,
661 FONT_WIDTH (font
) * len
,
664 /* Turn stipple off. */
665 XSetFillStyle (FRAME_X_DISPLAY (f
), gc
, FillSolid
);
667 /* Draw the text, solidly, onto the stipple pattern. */
668 XDrawString (FRAME_X_DISPLAY (f
), window
, gc
,
669 left
, top
+ FONT_BASE (font
), buf
, len
);
672 XDrawImageString (FRAME_X_DISPLAY (f
), window
, gc
,
673 left
, top
+ FONT_BASE (font
), buf
, len
);
675 /* Clear the rest of the line's height. */
676 if (f
->output_data
.x
->line_height
!= FONT_HEIGHT (font
))
677 XClearArea (FRAME_X_DISPLAY (f
), window
, left
,
678 top
+ FONT_HEIGHT (font
),
679 FONT_WIDTH (font
) * len
,
680 /* This is how many pixels of height
682 f
->output_data
.x
->line_height
- FONT_HEIGHT (font
),
686 #if 0 /* Doesn't work, because it uses FRAME_CURRENT_GLYPHS,
687 which often is not up to date yet. */
688 if (!just_foreground
)
690 if (left
== orig_left
)
691 redraw_previous_char (f
, PIXEL_TO_CHAR_COL (f
, left
),
692 PIXEL_TO_CHAR_ROW (f
, top
), hl
== 1);
694 redraw_following_char (f
, PIXEL_TO_CHAR_COL (f
, left
+ len
* FONT_WIDTH (font
)),
695 PIXEL_TO_CHAR_ROW (f
, top
), hl
== 1);
699 /* We should probably check for XA_UNDERLINE_POSITION and
700 XA_UNDERLINE_THICKNESS properties on the font, but let's
701 just get the thing working, and come back to that. */
703 int underline_position
= 1;
705 if (font
->descent
<= underline_position
)
706 underline_position
= font
->descent
- 1;
709 XFillRectangle (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
713 + underline_position
),
714 len
* FONT_WIDTH (font
), 1);
717 left
+= len
* FONT_WIDTH (font
);
724 /* This is the old single-face code. */
727 dumpglyphs (f
, left
, top
, gp
, n
, hl
, font
)
730 register GLYPH
*gp
; /* Points to first GLYPH. */
731 register int n
; /* Number of glyphs to display. */
736 Window window
= FRAME_X_WINDOW (f
);
737 GC drawing_gc
= (hl
== 2 ? f
->output_data
.x
->cursor_gc
738 : (hl
? f
->output_data
.x
->reverse_gc
739 : f
->output_data
.x
->normal_gc
));
741 if (sizeof (GLYPH
) == sizeof (XChar2b
))
742 XDrawImageString16 (FRAME_X_DISPLAY (f
), window
, drawing_gc
,
743 left
, top
+ FONT_BASE (font
), (XChar2b
*) gp
, n
);
744 else if (sizeof (GLYPH
) == sizeof (unsigned char))
745 XDrawImageString (FRAME_X_DISPLAY (f
), window
, drawing_gc
,
746 left
, top
+ FONT_BASE (font
), (char *) gp
, n
);
748 /* What size of glyph ARE you using? And does X have a function to
754 /* Output some text at the nominal frame cursor position.
755 Advance the cursor over the text.
756 Output LEN glyphs at START.
758 `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight,
759 controls the pixel values used for foreground and background. */
762 XTwrite_glyphs (start
, len
)
763 register GLYPH
*start
;
766 register int temp_length
;
777 /* If not within an update,
778 output at the frame's visible cursor. */
779 curs_x
= f
->cursor_x
;
780 curs_y
= f
->cursor_y
;
784 CHAR_TO_PIXEL_COL (f
, curs_x
),
785 CHAR_TO_PIXEL_ROW (f
, curs_y
),
786 start
, len
, highlight
, 0);
788 /* If we drew on top of the cursor, note that it is turned off. */
789 if (curs_y
== f
->phys_cursor_y
790 && curs_x
<= f
->phys_cursor_x
791 && curs_x
+ len
> f
->phys_cursor_x
)
792 f
->phys_cursor_x
= -1;
794 if (updating_frame
== 0)
797 x_display_cursor (f
, 1);
806 /* Clear to the end of the line.
807 Erase the current text line from the nominal cursor position (inclusive)
808 to column FIRST_UNUSED (exclusive). The idea is that everything
809 from FIRST_UNUSED onward is already erased. */
812 XTclear_end_of_line (first_unused
)
813 register int first_unused
;
815 struct frame
*f
= updating_frame
;
821 if (curs_y
< 0 || curs_y
>= f
->height
)
823 if (first_unused
<= 0)
826 if (first_unused
>= f
->width
)
827 first_unused
= f
->width
;
833 /* Notice if the cursor will be cleared by this operation. */
834 if (curs_y
== f
->phys_cursor_y
835 && curs_x
<= f
->phys_cursor_x
836 && f
->phys_cursor_x
< first_unused
)
837 f
->phys_cursor_x
= -1;
839 XClearArea (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
840 CHAR_TO_PIXEL_COL (f
, curs_x
),
841 CHAR_TO_PIXEL_ROW (f
, curs_y
),
842 FONT_WIDTH (f
->output_data
.x
->font
) * (first_unused
- curs_x
),
843 f
->output_data
.x
->line_height
, False
);
845 redraw_previous_char (f
, curs_x
, curs_y
, highlight
);
855 struct frame
*f
= updating_frame
;
860 f
->phys_cursor_x
= -1; /* Cursor not visible. */
861 curs_x
= 0; /* Nominal cursor position is top left. */
866 XClearWindow (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
));
868 /* We have to clear the scroll bars, too. If we have changed
869 colors or something like that, then they should be notified. */
870 x_scroll_bar_clear (f
);
872 XFlush (FRAME_X_DISPLAY (f
));
877 /* This currently does not work because FRAME_CURRENT_GLYPHS doesn't
878 always contain the right glyphs to use.
880 It also needs to be changed to look at the details of the font and
881 see whether there is really overlap, and do nothing when there is
882 not. This can use font_char_overlap_left and font_char_overlap_right,
883 but just how to use them is not clear. */
885 /* Erase the character (if any) at the position just before X, Y in frame F,
886 then redraw it and the character before it.
887 This is necessary when we erase starting at X,
888 in case the character after X overlaps into the one before X.
889 Call this function with input blocked. */
892 redraw_previous_char (f
, x
, y
, highlight_flag
)
897 /* Erase the character before the new ones, in case
898 what was here before overlaps it.
899 Reoutput that character, and the previous character
900 (in case the previous character overlaps it). */
906 XClearArea (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
907 CHAR_TO_PIXEL_COL (f
, x
- 1),
908 CHAR_TO_PIXEL_ROW (f
, y
),
909 FONT_WIDTH (f
->output_data
.x
->font
),
910 f
->output_data
.x
->line_height
, False
);
912 dumpglyphs (f
, CHAR_TO_PIXEL_COL (f
, start_x
),
913 CHAR_TO_PIXEL_ROW (f
, y
),
914 &FRAME_CURRENT_GLYPHS (f
)->glyphs
[y
][start_x
],
915 x
- start_x
, highlight_flag
, 1);
919 /* Erase the character (if any) at the position X, Y in frame F,
920 then redraw it and the character after it.
921 This is necessary when we erase endng at X,
922 in case the character after X overlaps into the one before X.
923 Call this function with input blocked. */
926 redraw_following_char (f
, x
, y
, highlight_flag
)
931 int limit
= FRAME_CURRENT_GLYPHS (f
)->used
[y
];
932 /* Erase the character after the new ones, in case
933 what was here before overlaps it.
934 Reoutput that character, and the following character
935 (in case the following character overlaps it). */
937 && FRAME_CURRENT_GLYPHS (f
)->glyphs
[y
][x
] != SPACEGLYPH
)
942 XClearArea (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
943 CHAR_TO_PIXEL_COL (f
, x
),
944 CHAR_TO_PIXEL_ROW (f
, y
),
945 FONT_WIDTH (f
->output_data
.x
->font
),
946 f
->output_data
.x
->line_height
, False
);
948 dumpglyphs (f
, CHAR_TO_PIXEL_COL (f
, x
),
949 CHAR_TO_PIXEL_ROW (f
, y
),
950 &FRAME_CURRENT_GLYPHS (f
)->glyphs
[y
][x
],
951 end_x
- x
, highlight_flag
, 1);
956 #if 0 /* Not in use yet */
958 /* Return 1 if character C in font F extends past its left edge. */
961 font_char_overlap_left (font
, c
)
967 /* Find the bounding-box info for C. */
968 if (font
->per_char
== 0)
969 s
= &font
->max_bounds
;
972 int rowlen
= font
->max_char_or_byte2
- font
->min_char_or_byte2
+ 1;
975 /* Decode char into row number (byte 1) and code within row (byte 2). */
978 if (!(within
>= font
->min_char_or_byte2
979 && within
<= font
->max_char_or_byte2
980 && row
>= font
->min_byte1
981 && row
<= font
->max_byte1
))
983 /* If char is out of range, try the font's default char instead. */
984 c
= font
->default_char
;
985 row
= c
>> (BITS_PER_INT
- 8);
988 if (!(within
>= font
->min_char_or_byte2
989 && within
<= font
->max_char_or_byte2
990 && row
>= font
->min_byte1
991 && row
<= font
->max_byte1
))
992 /* Still out of range means this char does not overlap. */
995 /* We found the info for this char. */
996 s
= (font
->per_char
+ (within
- font
->min_char_or_byte2
)
1000 return (s
&& s
->lbearing
< 0);
1003 /* Return 1 if character C in font F extends past its right edge. */
1006 font_char_overlap_right (font
, c
)
1012 /* Find the bounding-box info for C. */
1013 if (font
->per_char
== 0)
1014 s
= &font
->max_bounds
;
1017 int rowlen
= font
->max_char_or_byte2
- font
->min_char_or_byte2
+ 1;
1020 /* Decode char into row number (byte 1) and code within row (byte 2). */
1023 if (!(within
>= font
->min_char_or_byte2
1024 && within
<= font
->max_char_or_byte2
1025 && row
>= font
->min_byte1
1026 && row
<= font
->max_byte1
))
1028 /* If char is out of range, try the font's default char instead. */
1029 c
= font
->default_char
;
1030 row
= c
>> (BITS_PER_INT
- 8);
1033 if (!(within
>= font
->min_char_or_byte2
1034 && within
<= font
->max_char_or_byte2
1035 && row
>= font
->min_byte1
1036 && row
<= font
->max_byte1
))
1037 /* Still out of range means this char does not overlap. */
1040 /* We found the info for this char. */
1041 s
= (font
->per_char
+ (within
- font
->min_char_or_byte2
)
1045 return (s
&& s
->rbearing
>= s
->width
);
1049 /* Invert the middle quarter of the frame for .15 sec. */
1051 /* We use the select system call to do the waiting, so we have to make sure
1052 it's available. If it isn't, we just won't do visual bells. */
1053 #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
1055 /* Subtract the `struct timeval' values X and Y,
1056 storing the result in RESULT.
1057 Return 1 if the difference is negative, otherwise 0. */
1060 timeval_subtract (result
, x
, y
)
1061 struct timeval
*result
, x
, y
;
1063 /* Perform the carry for the later subtraction by updating y.
1064 This is safer because on some systems
1065 the tv_sec member is unsigned. */
1066 if (x
.tv_usec
< y
.tv_usec
)
1068 int nsec
= (y
.tv_usec
- x
.tv_usec
) / 1000000 + 1;
1069 y
.tv_usec
-= 1000000 * nsec
;
1072 if (x
.tv_usec
- y
.tv_usec
> 1000000)
1074 int nsec
= (y
.tv_usec
- x
.tv_usec
) / 1000000;
1075 y
.tv_usec
+= 1000000 * nsec
;
1079 /* Compute the time remaining to wait. tv_usec is certainly positive. */
1080 result
->tv_sec
= x
.tv_sec
- y
.tv_sec
;
1081 result
->tv_usec
= x
.tv_usec
- y
.tv_usec
;
1083 /* Return indication of whether the result should be considered negative. */
1084 return x
.tv_sec
< y
.tv_sec
;
1095 /* Create a GC that will use the GXxor function to flip foreground pixels
1096 into background pixels. */
1100 values
.function
= GXxor
;
1101 values
.foreground
= (f
->output_data
.x
->foreground_pixel
1102 ^ f
->output_data
.x
->background_pixel
);
1104 gc
= XCreateGC (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
1105 GCFunction
| GCForeground
, &values
);
1109 int width
= PIXEL_WIDTH (f
);
1110 int height
= PIXEL_HEIGHT (f
);
1112 XFillRectangle (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
), gc
,
1113 width
/4, height
/4, width
/2, height
/2);
1114 XFlush (FRAME_X_DISPLAY (f
));
1117 struct timeval wakeup
, now
;
1119 EMACS_GET_TIME (wakeup
);
1121 /* Compute time to wait until, propagating carry from usecs. */
1122 wakeup
.tv_usec
+= 150000;
1123 wakeup
.tv_sec
+= (wakeup
.tv_usec
/ 1000000);
1124 wakeup
.tv_usec
%= 1000000;
1126 /* Keep waiting until past the time wakeup. */
1129 struct timeval timeout
;
1131 EMACS_GET_TIME (timeout
);
1133 /* In effect, timeout = wakeup - timeout.
1134 Break if result would be negative. */
1135 if (timeval_subtract (&timeout
, wakeup
, timeout
))
1138 /* Try to wait that long--but we might wake up sooner. */
1139 select (0, NULL
, NULL
, NULL
, &timeout
);
1143 XFillRectangle (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
), gc
,
1144 width
/4, height
/4, width
/2, height
/2);
1145 XFreeGC (FRAME_X_DISPLAY (f
), gc
);
1146 XFlush (FRAME_X_DISPLAY (f
));
1156 /* Make audible bell. */
1158 #define XRINGBELL XBell (FRAME_X_DISPLAY (selected_frame), 0)
1162 if (FRAME_X_DISPLAY (selected_frame
) == 0)
1165 #if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
1167 XTflash (selected_frame
);
1173 XFlush (FRAME_X_DISPLAY (selected_frame
));
1178 /* Insert and delete character.
1179 These are not supposed to be used because we are supposed to turn
1180 off the feature of using them. */
1183 XTinsert_glyphs (start
, len
)
1184 register char *start
;
1197 /* Specify how many text lines, from the top of the window,
1198 should be affected by insert-lines and delete-lines operations.
1199 This, and those operations, are used only within an update
1200 that is bounded by calls to XTupdate_begin and XTupdate_end. */
1203 XTset_terminal_window (n
)
1206 if (updating_frame
== 0)
1209 if ((n
<= 0) || (n
> updating_frame
->height
))
1210 flexlines
= updating_frame
->height
;
1215 /* These variables need not be per frame
1216 because redisplay is done on a frame-by-frame basis
1217 and the line dance for one frame is finished before
1218 anything is done for anoter frame. */
1220 /* Array of line numbers from cached insert/delete operations.
1221 line_dance[i] is the old position of the line that we want
1222 to move to line i, or -1 if we want a blank line there. */
1223 static int *line_dance
;
1225 /* Allocated length of that array. */
1226 static int line_dance_len
;
1228 /* Flag indicating whether we've done any work. */
1229 static int line_dance_in_progress
;
1231 /* Perform an insert-lines or delete-lines operation,
1232 inserting N lines or deleting -N lines at vertical position VPOS. */
1233 XTins_del_lines (vpos
, n
)
1236 register int fence
, i
;
1238 if (vpos
>= flexlines
)
1241 if (!line_dance_in_progress
)
1243 int ht
= updating_frame
->height
;
1244 if (ht
> line_dance_len
)
1246 line_dance
= (int *)xrealloc (line_dance
, ht
* sizeof (int));
1247 line_dance_len
= ht
;
1249 for (i
= 0; i
< ht
; ++i
) line_dance
[i
] = i
;
1250 line_dance_in_progress
= 1;
1254 if (n
> flexlines
- vpos
)
1255 n
= flexlines
- vpos
;
1257 for (i
= flexlines
; --i
>= fence
;)
1258 line_dance
[i
] = line_dance
[i
-n
];
1259 for (i
= fence
; --i
>= vpos
;)
1265 if (n
> flexlines
- vpos
)
1266 n
= flexlines
- vpos
;
1267 fence
= flexlines
- n
;
1268 for (i
= vpos
; i
< fence
; ++i
)
1269 line_dance
[i
] = line_dance
[i
+ n
];
1270 for (i
= fence
; i
< flexlines
; ++i
)
1275 /* Here's where we actually move the pixels around.
1276 Must be called with input blocked. */
1280 register int i
, j
, distance
;
1281 register struct frame
*f
;
1285 /* Must check this flag first. If it's not set, then not only is the
1286 array uninitialized, but we might not even have a frame. */
1287 if (!line_dance_in_progress
)
1295 intborder
= f
->output_data
.x
->internal_border_width
;
1297 x_display_cursor (updating_frame
, 0);
1299 for (i
= 0; i
< ht
; ++i
)
1300 if (line_dance
[i
] != -1 && (distance
= line_dance
[i
]-i
) > 0)
1302 for (j
= i
; (j
< ht
&& line_dance
[j
] != -1
1303 && line_dance
[j
]-j
== distance
); ++j
);
1304 /* Copy [i,j) upward from [i+distance,j+distance) */
1305 XCopyArea (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
1306 FRAME_X_WINDOW (f
), f
->output_data
.x
->normal_gc
,
1307 intborder
, CHAR_TO_PIXEL_ROW (f
, i
+distance
),
1308 f
->width
* FONT_WIDTH (f
->output_data
.x
->font
),
1309 (j
-i
) * f
->output_data
.x
->line_height
,
1310 intborder
, CHAR_TO_PIXEL_ROW (f
, i
));
1314 for (i
= ht
; --i
>=0; )
1315 if (line_dance
[i
] != -1 && (distance
= line_dance
[i
]-i
) < 0)
1317 for (j
= i
; (--j
>= 0 && line_dance
[j
] != -1
1318 && line_dance
[j
]-j
== distance
););
1319 /* Copy (j,i] downward from (j+distance, i+distance] */
1320 XCopyArea (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
1321 FRAME_X_WINDOW (f
), f
->output_data
.x
->normal_gc
,
1322 intborder
, CHAR_TO_PIXEL_ROW (f
, j
+1+distance
),
1323 f
->width
* FONT_WIDTH (f
->output_data
.x
->font
),
1324 (i
-j
) * f
->output_data
.x
->line_height
,
1325 intborder
, CHAR_TO_PIXEL_ROW (f
, j
+1));
1329 for (i
= 0; i
< ht
; ++i
)
1330 if (line_dance
[i
] == -1)
1332 for (j
= i
; j
< ht
&& line_dance
[j
] == -1; ++j
);
1334 XClearArea (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
1335 intborder
, CHAR_TO_PIXEL_ROW (f
, i
),
1336 f
->width
* FONT_WIDTH (f
->output_data
.x
->font
),
1337 (j
-i
) * f
->output_data
.x
->line_height
, False
);
1340 line_dance_in_progress
= 0;
1343 /* Support routines for exposure events. */
1344 static void clear_cursor ();
1346 /* Output into a rectangle of an X-window (for frame F)
1347 the characters in f->phys_lines that overlap that rectangle.
1348 TOP and LEFT are the position of the upper left corner of the rectangle.
1349 ROWS and COLS are the size of the rectangle.
1350 Call this function with input blocked. */
1353 dumprectangle (f
, left
, top
, cols
, rows
)
1355 register int left
, top
, cols
, rows
;
1357 register struct frame_glyphs
*active_frame
= FRAME_CURRENT_GLYPHS (f
);
1358 int cursor_cleared
= 0;
1362 if (FRAME_GARBAGED_P (f
))
1365 /* Express rectangle as four edges, instead of position-and-size. */
1366 bottom
= top
+ rows
;
1367 right
= left
+ cols
;
1369 /* Convert rectangle edges in pixels to edges in chars.
1370 Round down for left and top, up for right and bottom. */
1371 top
= PIXEL_TO_CHAR_ROW (f
, top
);
1372 left
= PIXEL_TO_CHAR_COL (f
, left
);
1373 bottom
+= (f
->output_data
.x
->line_height
- 1);
1374 right
+= (FONT_WIDTH (f
->output_data
.x
->font
) - 1);
1375 bottom
= PIXEL_TO_CHAR_ROW (f
, bottom
);
1376 right
= PIXEL_TO_CHAR_COL (f
, right
);
1378 /* Clip the rectangle to what can be visible. */
1383 if (right
> f
->width
)
1385 if (bottom
> f
->height
)
1388 /* Get size in chars of the rectangle. */
1389 cols
= right
- left
;
1390 rows
= bottom
- top
;
1392 /* If rectangle has zero area, return. */
1393 if (rows
<= 0) return;
1394 if (cols
<= 0) return;
1396 /* Turn off the cursor if it is in the rectangle.
1397 We will turn it back on afterward. */
1398 if ((f
->phys_cursor_x
>= left
) && (f
->phys_cursor_x
< right
)
1399 && (f
->phys_cursor_y
>= top
) && (f
->phys_cursor_y
< bottom
))
1405 /* Display the text in the rectangle, one text line at a time. */
1407 for (y
= top
; y
< bottom
; y
++)
1409 GLYPH
*line
= &active_frame
->glyphs
[y
][left
];
1411 if (! active_frame
->enable
[y
] || left
> active_frame
->used
[y
])
1415 CHAR_TO_PIXEL_COL (f
, left
),
1416 CHAR_TO_PIXEL_ROW (f
, y
),
1417 line
, min (cols
, active_frame
->used
[y
] - left
),
1418 active_frame
->highlight
[y
], 0);
1421 /* Turn the cursor on if we turned it off. */
1424 x_display_cursor (f
, 1);
1431 /* We used to only do this if Vx_no_window_manager was non-nil, but
1432 the ICCCM (section 4.1.6) says that the window's border pixmap
1433 and border pixel are window attributes which are "private to the
1434 client", so we can always change it to whatever we want. */
1436 XSetWindowBorder (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
1437 f
->output_data
.x
->border_pixel
);
1439 x_update_cursor (f
, 1);
1443 frame_unhighlight (f
)
1446 /* We used to only do this if Vx_no_window_manager was non-nil, but
1447 the ICCCM (section 4.1.6) says that the window's border pixmap
1448 and border pixel are window attributes which are "private to the
1449 client", so we can always change it to whatever we want. */
1451 XSetWindowBorderPixmap (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
1452 f
->output_data
.x
->border_tile
);
1454 x_update_cursor (f
, 1);
1457 static void XTframe_rehighlight ();
1458 static void x_frame_rehighlight ();
1460 /* The focus has changed. Update the frames as necessary to reflect
1461 the new situation. Note that we can't change the selected frame
1462 here, because the Lisp code we are interrupting might become confused.
1463 Each event gets marked with the frame in which it occurred, so the
1464 Lisp code can tell when the switch took place by examining the events. */
1467 x_new_focus_frame (dpyinfo
, frame
)
1468 struct x_display_info
*dpyinfo
;
1469 struct frame
*frame
;
1471 struct frame
*old_focus
= dpyinfo
->x_focus_frame
;
1472 int events_enqueued
= 0;
1474 if (frame
!= dpyinfo
->x_focus_frame
)
1476 /* Set this before calling other routines, so that they see
1477 the correct value of x_focus_frame. */
1478 dpyinfo
->x_focus_frame
= frame
;
1480 if (old_focus
&& old_focus
->auto_lower
)
1481 x_lower_frame (old_focus
);
1484 selected_frame
= frame
;
1485 XSETFRAME (XWINDOW (selected_frame
->selected_window
)->frame
,
1487 Fselect_window (selected_frame
->selected_window
);
1488 choose_minibuf_frame ();
1491 if (dpyinfo
->x_focus_frame
&& dpyinfo
->x_focus_frame
->auto_raise
)
1492 pending_autoraise_frame
= dpyinfo
->x_focus_frame
;
1494 pending_autoraise_frame
= 0;
1497 x_frame_rehighlight (dpyinfo
);
1500 /* Handle an event saying the mouse has moved out of an Emacs frame. */
1503 x_mouse_leave (dpyinfo
)
1504 struct x_display_info
*dpyinfo
;
1506 x_new_focus_frame (dpyinfo
, dpyinfo
->x_focus_event_frame
);
1509 /* The focus has changed, or we have redirected a frame's focus to
1510 another frame (this happens when a frame uses a surrogate
1511 minibuffer frame). Shift the highlight as appropriate.
1513 The FRAME argument doesn't necessarily have anything to do with which
1514 frame is being highlighted or unhighlighted; we only use it to find
1515 the appropriate X display info. */
1517 XTframe_rehighlight (frame
)
1518 struct frame
*frame
;
1520 x_frame_rehighlight (FRAME_X_DISPLAY_INFO (frame
));
1524 x_frame_rehighlight (dpyinfo
)
1525 struct x_display_info
*dpyinfo
;
1527 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
1529 if (dpyinfo
->x_focus_frame
)
1531 dpyinfo
->x_highlight_frame
1532 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->x_focus_frame
)))
1533 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->x_focus_frame
))
1534 : dpyinfo
->x_focus_frame
);
1535 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
1537 FRAME_FOCUS_FRAME (dpyinfo
->x_focus_frame
) = Qnil
;
1538 dpyinfo
->x_highlight_frame
= dpyinfo
->x_focus_frame
;
1542 dpyinfo
->x_highlight_frame
= 0;
1544 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
1547 frame_unhighlight (old_highlight
);
1548 if (dpyinfo
->x_highlight_frame
)
1549 frame_highlight (dpyinfo
->x_highlight_frame
);
1553 /* Keyboard processing - modifier keys, vendor-specific keysyms, etc. */
1555 /* Initialize mode_switch_bit and modifier_meaning. */
1557 x_find_modifier_meanings (dpyinfo
)
1558 struct x_display_info
*dpyinfo
;
1560 int min_code
, max_code
;
1563 XModifierKeymap
*mods
;
1565 dpyinfo
->meta_mod_mask
= 0;
1566 dpyinfo
->shift_lock_mask
= 0;
1567 dpyinfo
->alt_mod_mask
= 0;
1568 dpyinfo
->super_mod_mask
= 0;
1569 dpyinfo
->hyper_mod_mask
= 0;
1572 XDisplayKeycodes (dpyinfo
->display
, &min_code
, &max_code
);
1574 min_code
= dpyinfo
->display
->min_keycode
;
1575 max_code
= dpyinfo
->display
->max_keycode
;
1578 syms
= XGetKeyboardMapping (dpyinfo
->display
,
1579 min_code
, max_code
- min_code
+ 1,
1581 mods
= XGetModifierMapping (dpyinfo
->display
);
1583 /* Scan the modifier table to see which modifier bits the Meta and
1584 Alt keysyms are on. */
1586 int row
, col
; /* The row and column in the modifier table. */
1588 for (row
= 3; row
< 8; row
++)
1589 for (col
= 0; col
< mods
->max_keypermod
; col
++)
1592 = mods
->modifiermap
[(row
* mods
->max_keypermod
) + col
];
1594 /* Zeroes are used for filler. Skip them. */
1598 /* Are any of this keycode's keysyms a meta key? */
1602 for (code_col
= 0; code_col
< syms_per_code
; code_col
++)
1604 int sym
= syms
[((code
- min_code
) * syms_per_code
) + code_col
];
1610 dpyinfo
->meta_mod_mask
|= (1 << row
);
1615 dpyinfo
->alt_mod_mask
|= (1 << row
);
1620 dpyinfo
->hyper_mod_mask
|= (1 << row
);
1625 dpyinfo
->super_mod_mask
|= (1 << row
);
1629 /* Ignore this if it's not on the lock modifier. */
1630 if ((1 << row
) == LockMask
)
1631 dpyinfo
->shift_lock_mask
= LockMask
;
1639 /* If we couldn't find any meta keys, accept any alt keys as meta keys. */
1640 if (! dpyinfo
->meta_mod_mask
)
1642 dpyinfo
->meta_mod_mask
= dpyinfo
->alt_mod_mask
;
1643 dpyinfo
->alt_mod_mask
= 0;
1646 /* If some keys are both alt and meta,
1647 make them just meta, not alt. */
1648 if (dpyinfo
->alt_mod_mask
& dpyinfo
->meta_mod_mask
)
1650 dpyinfo
->alt_mod_mask
&= ~dpyinfo
->meta_mod_mask
;
1653 XFree ((char *) syms
);
1654 XFreeModifiermap (mods
);
1657 /* Convert between the modifier bits X uses and the modifier bits
1660 x_x_to_emacs_modifiers (dpyinfo
, state
)
1661 struct x_display_info
*dpyinfo
;
1664 return ( ((state
& (ShiftMask
| dpyinfo
->shift_lock_mask
)) ? shift_modifier
: 0)
1665 | ((state
& ControlMask
) ? ctrl_modifier
: 0)
1666 | ((state
& dpyinfo
->meta_mod_mask
) ? meta_modifier
: 0)
1667 | ((state
& dpyinfo
->alt_mod_mask
) ? alt_modifier
: 0)
1668 | ((state
& dpyinfo
->super_mod_mask
) ? super_modifier
: 0)
1669 | ((state
& dpyinfo
->hyper_mod_mask
) ? hyper_modifier
: 0));
1673 x_emacs_to_x_modifiers (dpyinfo
, state
)
1674 struct x_display_info
*dpyinfo
;
1677 return ( ((state
& alt_modifier
) ? dpyinfo
->alt_mod_mask
: 0)
1678 | ((state
& super_modifier
) ? dpyinfo
->super_mod_mask
: 0)
1679 | ((state
& hyper_modifier
) ? dpyinfo
->hyper_mod_mask
: 0)
1680 | ((state
& shift_modifier
) ? ShiftMask
: 0)
1681 | ((state
& ctrl_modifier
) ? ControlMask
: 0)
1682 | ((state
& meta_modifier
) ? dpyinfo
->meta_mod_mask
: 0));
1685 /* Convert a keysym to its name. */
1688 x_get_keysym_name (keysym
)
1694 value
= XKeysymToString (keysym
);
1700 /* Mouse clicks and mouse movement. Rah. */
1702 /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return
1703 glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle
1704 that the glyph at X, Y occupies, if BOUNDS != 0.
1705 If NOCLIP is nonzero, do not force the value into range. */
1708 pixel_to_glyph_coords (f
, pix_x
, pix_y
, x
, y
, bounds
, noclip
)
1710 register int pix_x
, pix_y
;
1711 register int *x
, *y
;
1715 /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down
1716 even for negative values. */
1718 pix_x
-= FONT_WIDTH ((f
)->output_data
.x
->font
) - 1;
1720 pix_y
-= (f
)->output_data
.x
->line_height
- 1;
1722 pix_x
= PIXEL_TO_CHAR_COL (f
, pix_x
);
1723 pix_y
= PIXEL_TO_CHAR_ROW (f
, pix_y
);
1727 bounds
->width
= FONT_WIDTH (f
->output_data
.x
->font
);
1728 bounds
->height
= f
->output_data
.x
->line_height
;
1729 bounds
->x
= CHAR_TO_PIXEL_COL (f
, pix_x
);
1730 bounds
->y
= CHAR_TO_PIXEL_ROW (f
, pix_y
);
1737 else if (pix_x
> f
->width
)
1742 else if (pix_y
> f
->height
)
1751 glyph_to_pixel_coords (f
, x
, y
, pix_x
, pix_y
)
1754 register int *pix_x
, *pix_y
;
1756 *pix_x
= CHAR_TO_PIXEL_COL (f
, x
);
1757 *pix_y
= CHAR_TO_PIXEL_ROW (f
, y
);
1760 /* Prepare a mouse-event in *RESULT for placement in the input queue.
1762 If the event is a button press, then note that we have grabbed
1766 construct_mouse_click (result
, event
, f
)
1767 struct input_event
*result
;
1768 XButtonEvent
*event
;
1771 /* Make the event type no_event; we'll change that when we decide
1773 result
->kind
= mouse_click
;
1774 result
->code
= event
->button
- Button1
;
1775 result
->timestamp
= event
->time
;
1776 result
->modifiers
= (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f
),
1778 | (event
->type
== ButtonRelease
1786 pixel_to_glyph_coords (f
, event
->x
, event
->y
, &column
, &row
, NULL
, 0);
1787 XSETFASTINT (result
->x
, column
);
1788 XSETFASTINT (result
->y
, row
);
1790 XSETINT (result
->x
, event
->x
);
1791 XSETINT (result
->y
, event
->y
);
1792 XSETFRAME (result
->frame_or_window
, f
);
1796 /* Prepare a menu-event in *RESULT for placement in the input queue. */
1799 construct_menu_click (result
, event
, f
)
1800 struct input_event
*result
;
1801 XButtonEvent
*event
;
1804 /* Make the event type no_event; we'll change that when we decide
1806 result
->kind
= mouse_click
;
1807 XSETINT (result
->code
, event
->button
- Button1
);
1808 result
->timestamp
= event
->time
;
1809 result
->modifiers
= (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f
),
1811 | (event
->type
== ButtonRelease
1815 XSETINT (result
->x
, event
->x
);
1816 XSETINT (result
->y
, -1);
1817 XSETFRAME (result
->frame_or_window
, f
);
1820 /* Function to report a mouse movement to the mainstream Emacs code.
1821 The input handler calls this.
1823 We have received a mouse movement event, which is given in *event.
1824 If the mouse is over a different glyph than it was last time, tell
1825 the mainstream emacs code by setting mouse_moved. If not, ask for
1826 another motion event, so we can check again the next time it moves. */
1829 note_mouse_movement (frame
, event
)
1831 XMotionEvent
*event
;
1833 last_mouse_movement_time
= event
->time
;
1835 if (event
->window
!= FRAME_X_WINDOW (frame
))
1837 frame
->mouse_moved
= 1;
1838 last_mouse_scroll_bar
= Qnil
;
1840 note_mouse_highlight (frame
, -1, -1);
1843 /* Has the mouse moved off the glyph it was on at the last sighting? */
1844 else if (event
->x
< last_mouse_glyph
.x
1845 || event
->x
>= last_mouse_glyph
.x
+ last_mouse_glyph
.width
1846 || event
->y
< last_mouse_glyph
.y
1847 || event
->y
>= last_mouse_glyph
.y
+ last_mouse_glyph
.height
)
1849 frame
->mouse_moved
= 1;
1850 last_mouse_scroll_bar
= Qnil
;
1852 note_mouse_highlight (frame
, event
->x
, event
->y
);
1856 /* This is used for debugging, to turn off note_mouse_highlight. */
1857 static int disable_mouse_highlight
;
1859 /* Take proper action when the mouse has moved to position X, Y on frame F
1860 as regards highlighting characters that have mouse-face properties.
1861 Also dehighlighting chars where the mouse was before.
1862 X and Y can be negative or out of range. */
1865 note_mouse_highlight (f
, x
, y
)
1869 int row
, column
, portion
;
1870 XRectangle new_glyph
;
1874 if (disable_mouse_highlight
)
1877 FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_x
= x
;
1878 FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_y
= y
;
1879 FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_frame
= f
;
1881 if (FRAME_X_DISPLAY_INFO (f
)->mouse_face_defer
)
1886 FRAME_X_DISPLAY_INFO (f
)->mouse_face_deferred_gc
= 1;
1890 /* Find out which glyph the mouse is on. */
1891 pixel_to_glyph_coords (f
, x
, y
, &column
, &row
,
1892 &new_glyph
, FRAME_X_DISPLAY_INFO (f
)->grabbed
);
1894 /* Which window is that in? */
1895 window
= window_from_coordinates (f
, column
, row
, &portion
);
1896 w
= XWINDOW (window
);
1898 /* If we were displaying active text in another window, clear that. */
1899 if (! EQ (window
, FRAME_X_DISPLAY_INFO (f
)->mouse_face_window
))
1900 clear_mouse_face (FRAME_X_DISPLAY_INFO (f
));
1902 /* Are we in a window whose display is up to date?
1903 And verify the buffer's text has not changed. */
1904 if (WINDOWP (window
) && portion
== 0 && row
>= 0 && column
>= 0
1905 && row
< FRAME_HEIGHT (f
) && column
< FRAME_WIDTH (f
)
1906 && EQ (w
->window_end_valid
, w
->buffer
)
1907 && w
->last_modified
== BUF_MODIFF (XBUFFER (w
->buffer
)))
1909 int *ptr
= FRAME_CURRENT_GLYPHS (f
)->charstarts
[row
];
1912 /* Find which buffer position the mouse corresponds to. */
1913 for (i
= column
; i
>= 0; i
--)
1917 /* Is it outside the displayed active region (if any)? */
1919 clear_mouse_face (FRAME_X_DISPLAY_INFO (f
));
1920 else if (! (EQ (window
, FRAME_X_DISPLAY_INFO (f
)->mouse_face_window
)
1921 && row
>= FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_row
1922 && row
<= FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_row
1923 && (row
> FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_row
1924 || column
>= FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_col
)
1925 && (row
< FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_row
1926 || column
< FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_col
1927 || FRAME_X_DISPLAY_INFO (f
)->mouse_face_past_end
)))
1929 Lisp_Object mouse_face
, overlay
, position
;
1930 Lisp_Object
*overlay_vec
;
1931 int len
, noverlays
, ignor1
;
1932 struct buffer
*obuf
;
1935 /* If we get an out-of-range value, return now; avoid an error. */
1936 if (pos
> BUF_Z (XBUFFER (w
->buffer
)))
1939 /* Make the window's buffer temporarily current for
1940 overlays_at and compute_char_face. */
1941 obuf
= current_buffer
;
1942 current_buffer
= XBUFFER (w
->buffer
);
1948 /* Yes. Clear the display of the old active region, if any. */
1949 clear_mouse_face (FRAME_X_DISPLAY_INFO (f
));
1951 /* Is this char mouse-active? */
1952 XSETINT (position
, pos
);
1955 overlay_vec
= (Lisp_Object
*) xmalloc (len
* sizeof (Lisp_Object
));
1957 /* Put all the overlays we want in a vector in overlay_vec.
1958 Store the length in len. */
1959 noverlays
= overlays_at (XINT (pos
), 1, &overlay_vec
, &len
,
1961 noverlays
= sort_overlays (overlay_vec
, noverlays
, w
);
1963 /* Find the highest priority overlay that has a mouse-face prop. */
1965 for (i
= 0; i
< noverlays
; i
++)
1967 mouse_face
= Foverlay_get (overlay_vec
[i
], Qmouse_face
);
1968 if (!NILP (mouse_face
))
1970 overlay
= overlay_vec
[i
];
1975 /* If no overlay applies, get a text property. */
1977 mouse_face
= Fget_text_property (position
, Qmouse_face
, w
->buffer
);
1979 /* Handle the overlay case. */
1980 if (! NILP (overlay
))
1982 /* Find the range of text around this char that
1983 should be active. */
1984 Lisp_Object before
, after
;
1987 before
= Foverlay_start (overlay
);
1988 after
= Foverlay_end (overlay
);
1989 /* Record this as the current active region. */
1990 fast_find_position (window
, before
,
1991 &FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_col
,
1992 &FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_row
);
1993 FRAME_X_DISPLAY_INFO (f
)->mouse_face_past_end
1994 = !fast_find_position (window
, after
,
1995 &FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_col
,
1996 &FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_row
);
1997 FRAME_X_DISPLAY_INFO (f
)->mouse_face_window
= window
;
1998 FRAME_X_DISPLAY_INFO (f
)->mouse_face_face_id
1999 = compute_char_face (f
, w
, pos
, 0, 0,
2000 &ignore
, pos
+ 1, 1);
2002 /* Display it as active. */
2003 show_mouse_face (FRAME_X_DISPLAY_INFO (f
), 1);
2005 /* Handle the text property case. */
2006 else if (! NILP (mouse_face
))
2008 /* Find the range of text around this char that
2009 should be active. */
2010 Lisp_Object before
, after
, beginning
, end
;
2013 beginning
= Fmarker_position (w
->start
);
2014 XSETINT (end
, (BUF_Z (XBUFFER (w
->buffer
))
2015 - XFASTINT (w
->window_end_pos
)));
2017 = Fprevious_single_property_change (make_number (pos
+ 1),
2019 w
->buffer
, beginning
);
2021 = Fnext_single_property_change (position
, Qmouse_face
,
2023 /* Record this as the current active region. */
2024 fast_find_position (window
, before
,
2025 &FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_col
,
2026 &FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_row
);
2027 FRAME_X_DISPLAY_INFO (f
)->mouse_face_past_end
2028 = !fast_find_position (window
, after
,
2029 &FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_col
,
2030 &FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_row
);
2031 FRAME_X_DISPLAY_INFO (f
)->mouse_face_window
= window
;
2032 FRAME_X_DISPLAY_INFO (f
)->mouse_face_face_id
2033 = compute_char_face (f
, w
, pos
, 0, 0,
2034 &ignore
, pos
+ 1, 1);
2036 /* Display it as active. */
2037 show_mouse_face (FRAME_X_DISPLAY_INFO (f
), 1);
2041 current_buffer
= obuf
;
2046 /* Find the row and column of position POS in window WINDOW.
2047 Store them in *COLUMNP and *ROWP.
2048 This assumes display in WINDOW is up to date.
2049 If POS is above start of WINDOW, return coords
2050 of start of first screen line.
2051 If POS is after end of WINDOW, return coords of end of last screen line.
2053 Value is 1 if POS is in range, 0 if it was off screen. */
2056 fast_find_position (window
, pos
, columnp
, rowp
)
2059 int *columnp
, *rowp
;
2061 struct window
*w
= XWINDOW (window
);
2062 FRAME_PTR f
= XFRAME (WINDOW_FRAME (w
));
2067 int height
= XFASTINT (w
->height
) - ! MINI_WINDOW_P (w
);
2068 int width
= window_internal_width (w
);
2071 int maybe_next_line
= 0;
2073 /* Find the right row. */
2078 int linestart
= FRAME_CURRENT_GLYPHS (f
)->charstarts
[top
+ i
][left
];
2079 if (linestart
> pos
)
2081 /* If the position sought is the end of the buffer,
2082 don't include the blank lines at the bottom of the window. */
2083 if (linestart
== pos
&& pos
== BUF_ZV (XBUFFER (w
->buffer
)))
2085 maybe_next_line
= 1;
2092 /* Find the right column with in it. */
2093 charstarts
= FRAME_CURRENT_GLYPHS (f
)->charstarts
[top
+ row
];
2095 for (i
= 0; i
< width
; i
++)
2097 if (charstarts
[left
+ i
] == pos
)
2100 *columnp
= i
+ left
;
2103 else if (charstarts
[left
+ i
] > pos
)
2105 else if (charstarts
[left
+ i
] > 0)
2109 /* If we're looking for the end of the buffer,
2110 and we didn't find it in the line we scanned,
2111 use the start of the following line. */
2112 if (maybe_next_line
)
2123 /* Display the active region described by mouse_face_*
2124 in its mouse-face if HL > 0, in its normal face if HL = 0. */
2127 show_mouse_face (dpyinfo
, hl
)
2128 struct x_display_info
*dpyinfo
;
2131 struct window
*w
= XWINDOW (dpyinfo
->mouse_face_window
);
2132 int width
= window_internal_width (w
);
2133 FRAME_PTR f
= XFRAME (WINDOW_FRAME (w
));
2136 int old_curs_x
= curs_x
;
2137 int old_curs_y
= curs_y
;
2139 /* Set these variables temporarily
2140 so that if we have to turn the cursor off and on again
2141 we will put it back at the same place. */
2142 curs_x
= f
->phys_cursor_x
;
2143 curs_y
= f
->phys_cursor_y
;
2145 for (i
= FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_row
;
2146 i
<= FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_row
; i
++)
2148 int column
= (i
== FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_row
2149 ? FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_col
2151 int endcolumn
= (i
== FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_row
2152 ? FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_col
2154 endcolumn
= min (endcolumn
, FRAME_CURRENT_GLYPHS (f
)->used
[i
]);
2156 /* If the cursor's in the text we are about to rewrite,
2157 turn the cursor off. */
2159 && curs_x
>= column
- 1
2160 && curs_x
<= endcolumn
)
2162 x_display_cursor (f
, 0);
2167 CHAR_TO_PIXEL_COL (f
, column
),
2168 CHAR_TO_PIXEL_ROW (f
, i
),
2169 FRAME_CURRENT_GLYPHS (f
)->glyphs
[i
] + column
,
2171 /* Highlight with mouse face if hl > 0. */
2175 /* If we turned the cursor off, turn it back on. */
2177 x_display_cursor (f
, 1);
2179 curs_x
= old_curs_x
;
2180 curs_y
= old_curs_y
;
2182 /* Change the mouse cursor according to the value of HL. */
2184 XDefineCursor (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
2185 f
->output_data
.x
->cross_cursor
);
2187 XDefineCursor (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
2188 f
->output_data
.x
->text_cursor
);
2191 /* Clear out the mouse-highlighted active region.
2192 Redraw it unhighlighted first. */
2195 clear_mouse_face (dpyinfo
)
2196 struct x_display_info
*dpyinfo
;
2198 if (! NILP (dpyinfo
->mouse_face_window
))
2199 show_mouse_face (dpyinfo
, 0);
2201 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
2202 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
2203 dpyinfo
->mouse_face_window
= Qnil
;
2206 static struct scroll_bar
*x_window_to_scroll_bar ();
2207 static void x_scroll_bar_report_motion ();
2209 /* Return the current position of the mouse.
2210 *fp should be a frame which indicates which display to ask about.
2212 If the mouse movement started in a scroll bar, set *fp, *bar_window,
2213 and *part to the frame, window, and scroll bar part that the mouse
2214 is over. Set *x and *y to the portion and whole of the mouse's
2215 position on the scroll bar.
2217 If the mouse movement started elsewhere, set *fp to the frame the
2218 mouse is on, *bar_window to nil, and *x and *y to the character cell
2221 Set *time to the server timestamp for the time at which the mouse
2222 was at this position.
2224 Don't store anything if we don't have a valid set of values to report.
2226 This clears the mouse_moved flag, so we can wait for the next mouse
2230 XTmouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
2233 Lisp_Object
*bar_window
;
2234 enum scroll_bar_part
*part
;
2236 unsigned long *time
;
2242 if (! NILP (last_mouse_scroll_bar
))
2243 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
2249 Window dummy_window
;
2252 Lisp_Object frame
, tail
;
2254 /* Clear the mouse-moved flag for every frame on this display. */
2255 FOR_EACH_FRAME (tail
, frame
)
2256 if (FRAME_X_DISPLAY (XFRAME (frame
)) == FRAME_X_DISPLAY (*fp
))
2257 XFRAME (frame
)->mouse_moved
= 0;
2259 last_mouse_scroll_bar
= Qnil
;
2261 /* Figure out which root window we're on. */
2262 XQueryPointer (FRAME_X_DISPLAY (*fp
),
2263 DefaultRootWindow (FRAME_X_DISPLAY (*fp
)),
2265 /* The root window which contains the pointer. */
2268 /* Trash which we can't trust if the pointer is on
2269 a different screen. */
2272 /* The position on that root window. */
2275 /* More trash we can't trust. */
2278 /* Modifier keys and pointer buttons, about which
2280 (unsigned int *) &dummy
);
2282 /* Now we have a position on the root; find the innermost window
2283 containing the pointer. */
2287 int parent_x
, parent_y
;
2291 /* XTranslateCoordinates can get errors if the window
2292 structure is changing at the same time this function
2293 is running. So at least we must not crash from them. */
2295 x_catch_errors (FRAME_X_DISPLAY (*fp
));
2297 if (FRAME_X_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
2298 && FRAME_LIVE_P (last_mouse_frame
))
2300 /* If mouse was grabbed on a frame, give coords for that frame
2301 even if the mouse is now outside it. */
2302 XTranslateCoordinates (FRAME_X_DISPLAY (*fp
),
2304 /* From-window, to-window. */
2305 root
, FRAME_X_WINDOW (last_mouse_frame
),
2307 /* From-position, to-position. */
2308 root_x
, root_y
, &win_x
, &win_y
,
2312 f1
= last_mouse_frame
;
2318 XTranslateCoordinates (FRAME_X_DISPLAY (*fp
),
2320 /* From-window, to-window. */
2323 /* From-position, to-position. */
2324 root_x
, root_y
, &win_x
, &win_y
,
2329 if (child
== None
|| child
== win
)
2337 /* Now we know that:
2338 win is the innermost window containing the pointer
2339 (XTC says it has no child containing the pointer),
2340 win_x and win_y are the pointer's position in it
2341 (XTC did this the last time through), and
2342 parent_x and parent_y are the pointer's position in win's parent.
2343 (They are what win_x and win_y were when win was child.
2344 If win is the root window, it has no parent, and
2345 parent_{x,y} are invalid, but that's okay, because we'll
2346 never use them in that case.) */
2348 /* Is win one of our frames? */
2349 f1
= x_any_window_to_frame (FRAME_X_DISPLAY_INFO (*fp
), win
);
2352 if (x_had_errors_p (FRAME_X_DISPLAY (*fp
)))
2355 x_uncatch_errors (FRAME_X_DISPLAY (*fp
));
2357 /* If not, is it one of our scroll bars? */
2360 struct scroll_bar
*bar
= x_window_to_scroll_bar (win
);
2364 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
2370 if (f1
== 0 && insist
)
2371 f1
= selected_frame
;
2375 int ignore1
, ignore2
;
2377 /* Ok, we found a frame. Store all the values. */
2379 pixel_to_glyph_coords (f1
, win_x
, win_y
, &ignore1
, &ignore2
,
2381 FRAME_X_DISPLAY_INFO (f1
)->grabbed
2387 XSETINT (*x
, win_x
);
2388 XSETINT (*y
, win_y
);
2389 *time
= last_mouse_movement_time
;
2397 /* Scroll bar support. */
2399 /* Given an X window ID, find the struct scroll_bar which manages it.
2400 This can be called in GC, so we have to make sure to strip off mark
2402 static struct scroll_bar
*
2403 x_window_to_scroll_bar (window_id
)
2406 Lisp_Object tail
, frame
;
2408 for (tail
= Vframe_list
;
2409 XGCTYPE (tail
) == Lisp_Cons
;
2410 tail
= XCONS (tail
)->cdr
)
2412 Lisp_Object frame
, bar
, condemned
;
2414 frame
= XCONS (tail
)->car
;
2415 /* All elements of Vframe_list should be frames. */
2416 if (! GC_FRAMEP (frame
))
2419 /* Scan this frame's scroll bar list for a scroll bar with the
2421 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
2422 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
2423 /* This trick allows us to search both the ordinary and
2424 condemned scroll bar lists with one loop. */
2425 ! GC_NILP (bar
) || (bar
= condemned
,
2428 bar
= XSCROLL_BAR (bar
)->next
)
2429 if (SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
2430 return XSCROLL_BAR (bar
);
2436 /* Open a new X window to serve as a scroll bar, and return the
2437 scroll bar vector for it. */
2438 static struct scroll_bar
*
2439 x_scroll_bar_create (window
, top
, left
, width
, height
)
2440 struct window
*window
;
2441 int top
, left
, width
, height
;
2443 FRAME_PTR f
= XFRAME (WINDOW_FRAME (window
));
2444 struct scroll_bar
*bar
2445 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
2450 XSetWindowAttributes a
;
2452 a
.background_pixel
= f
->output_data
.x
->background_pixel
;
2453 a
.event_mask
= (ButtonPressMask
| ButtonReleaseMask
2454 | ButtonMotionMask
| PointerMotionHintMask
2456 a
.cursor
= FRAME_X_DISPLAY_INFO (f
)->vertical_scroll_bar_cursor
;
2458 mask
= (CWBackPixel
| CWEventMask
| CWCursor
);
2463 XtSetArg (al
[ac
], XtNx
, left
); ac
++;
2464 XtSetArg (al
[ac
], XtNy
, top
); ac
++;
2465 XtSetArg (al
[ac
], XtNwidth
, width
); ac
++;
2466 XtSetArg (al
[ac
], XtNheight
, height
); ac
++;
2467 XtSetArg (al
[ac
], XtNborderWidth
, 0); ac
++;
2468 sb_widget
= XtCreateManagedWidget ("box",
2470 f
->output_data
.x
->edit_widget
, al
, ac
);
2471 SET_SCROLL_BAR_X_WINDOW
2472 (bar
, sb_widget
->core
.window
);
2474 SET_SCROLL_BAR_X_WINDOW
2476 XCreateWindow (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
2478 /* Position and size of scroll bar. */
2479 left
, top
, width
, height
,
2481 /* Border width, depth, class, and visual. */
2482 0, CopyFromParent
, CopyFromParent
, CopyFromParent
,
2488 XSETWINDOW (bar
->window
, window
);
2489 XSETINT (bar
->top
, top
);
2490 XSETINT (bar
->left
, left
);
2491 XSETINT (bar
->width
, width
);
2492 XSETINT (bar
->height
, height
);
2493 XSETINT (bar
->start
, 0);
2494 XSETINT (bar
->end
, 0);
2495 bar
->dragging
= Qnil
;
2497 /* Add bar to its frame's list of scroll bars. */
2498 bar
->next
= FRAME_SCROLL_BARS (f
);
2500 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
2501 if (! NILP (bar
->next
))
2502 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
2504 XMapRaised (FRAME_X_DISPLAY (f
), SCROLL_BAR_X_WINDOW (bar
));
2511 /* Draw BAR's handle in the proper position.
2512 If the handle is already drawn from START to END, don't bother
2513 redrawing it, unless REBUILD is non-zero; in that case, always
2514 redraw it. (REBUILD is handy for drawing the handle after expose
2517 Normally, we want to constrain the start and end of the handle to
2518 fit inside its rectangle, but if the user is dragging the scroll bar
2519 handle, we want to let them drag it down all the way, so that the
2520 bar's top is as far down as it goes; otherwise, there's no way to
2521 move to the very end of the buffer. */
2523 x_scroll_bar_set_handle (bar
, start
, end
, rebuild
)
2524 struct scroll_bar
*bar
;
2528 int dragging
= ! NILP (bar
->dragging
);
2529 Window w
= SCROLL_BAR_X_WINDOW (bar
);
2530 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
2531 GC gc
= f
->output_data
.x
->normal_gc
;
2533 /* If the display is already accurate, do nothing. */
2535 && start
== XINT (bar
->start
)
2536 && end
== XINT (bar
->end
))
2542 int inside_width
= VERTICAL_SCROLL_BAR_INSIDE_WIDTH (XINT (bar
->width
));
2543 int inside_height
= VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar
->height
));
2544 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar
->height
));
2546 /* Make sure the values are reasonable, and try to preserve
2547 the distance between start and end. */
2549 int length
= end
- start
;
2553 else if (start
> top_range
)
2555 end
= start
+ length
;
2559 else if (end
> top_range
&& ! dragging
)
2563 /* Store the adjusted setting in the scroll bar. */
2564 XSETINT (bar
->start
, start
);
2565 XSETINT (bar
->end
, end
);
2567 /* Clip the end position, just for display. */
2568 if (end
> top_range
)
2571 /* Draw bottom positions VERTICAL_SCROLL_BAR_MIN_HANDLE pixels
2572 below top positions, to make sure the handle is always at least
2573 that many pixels tall. */
2574 end
+= VERTICAL_SCROLL_BAR_MIN_HANDLE
;
2576 /* Draw the empty space above the handle. Note that we can't clear
2577 zero-height areas; that means "clear to end of window." */
2579 XClearArea (FRAME_X_DISPLAY (f
), w
,
2581 /* x, y, width, height, and exposures. */
2582 VERTICAL_SCROLL_BAR_LEFT_BORDER
,
2583 VERTICAL_SCROLL_BAR_TOP_BORDER
,
2584 inside_width
, start
,
2587 /* Draw the handle itself. */
2588 XFillRectangle (FRAME_X_DISPLAY (f
), w
, gc
,
2590 /* x, y, width, height */
2591 VERTICAL_SCROLL_BAR_LEFT_BORDER
,
2592 VERTICAL_SCROLL_BAR_TOP_BORDER
+ start
,
2593 inside_width
, end
- start
);
2596 /* Draw the empty space below the handle. Note that we can't
2597 clear zero-height areas; that means "clear to end of window." */
2598 if (end
< inside_height
)
2599 XClearArea (FRAME_X_DISPLAY (f
), w
,
2601 /* x, y, width, height, and exposures. */
2602 VERTICAL_SCROLL_BAR_LEFT_BORDER
,
2603 VERTICAL_SCROLL_BAR_TOP_BORDER
+ end
,
2604 inside_width
, inside_height
- end
,
2612 /* Move a scroll bar around on the screen, to accommodate changing
2613 window configurations. */
2615 x_scroll_bar_move (bar
, top
, left
, width
, height
)
2616 struct scroll_bar
*bar
;
2617 int top
, left
, width
, height
;
2619 Window w
= SCROLL_BAR_X_WINDOW (bar
);
2620 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
2626 unsigned int mask
= 0;
2633 if (left
!= XINT (bar
->left
)) mask
|= CWX
;
2634 if (top
!= XINT (bar
->top
)) mask
|= CWY
;
2635 if (width
!= XINT (bar
->width
)) mask
|= CWWidth
;
2636 if (height
!= XINT (bar
->height
)) mask
|= CWHeight
;
2639 XConfigureWindow (FRAME_X_DISPLAY (f
), SCROLL_BAR_X_WINDOW (bar
),
2643 XSETINT (bar
->left
, left
);
2644 XSETINT (bar
->top
, top
);
2645 XSETINT (bar
->width
, width
);
2646 XSETINT (bar
->height
, height
);
2651 /* Destroy the X window for BAR, and set its Emacs window's scroll bar
2654 x_scroll_bar_remove (bar
)
2655 struct scroll_bar
*bar
;
2657 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
2661 /* Destroy the window. */
2662 XDestroyWindow (FRAME_X_DISPLAY (f
), SCROLL_BAR_X_WINDOW (bar
));
2664 /* Disassociate this scroll bar from its window. */
2665 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
2670 /* Set the handle of the vertical scroll bar for WINDOW to indicate
2671 that we are displaying PORTION characters out of a total of WHOLE
2672 characters, starting at POSITION. If WINDOW has no scroll bar,
2675 XTset_vertical_scroll_bar (window
, portion
, whole
, position
)
2676 struct window
*window
;
2677 int portion
, whole
, position
;
2679 FRAME_PTR f
= XFRAME (WINDOW_FRAME (window
));
2680 int top
= XINT (window
->top
);
2681 int left
= WINDOW_VERTICAL_SCROLL_BAR_COLUMN (window
);
2682 int height
= WINDOW_VERTICAL_SCROLL_BAR_HEIGHT (window
);
2684 /* Where should this scroll bar be, pixelwise? */
2685 int pixel_top
= CHAR_TO_PIXEL_ROW (f
, top
);
2686 int pixel_left
= CHAR_TO_PIXEL_COL (f
, left
);
2688 = (FRAME_SCROLL_BAR_PIXEL_WIDTH (f
) > 0
2689 ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f
)
2690 : (FRAME_SCROLL_BAR_COLS (f
) * FONT_WIDTH (f
->output_data
.x
->font
)));
2691 int pixel_height
= VERTICAL_SCROLL_BAR_PIXEL_HEIGHT (f
, height
);
2693 struct scroll_bar
*bar
;
2695 /* Does the scroll bar exist yet? */
2696 if (NILP (window
->vertical_scroll_bar
))
2697 bar
= x_scroll_bar_create (window
,
2698 pixel_top
, pixel_left
,
2699 pixel_width
, pixel_height
);
2702 /* It may just need to be moved and resized. */
2703 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
2704 x_scroll_bar_move (bar
, pixel_top
, pixel_left
, pixel_width
, pixel_height
);
2707 /* Set the scroll bar's current state, unless we're currently being
2709 if (NILP (bar
->dragging
))
2711 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (pixel_height
);
2714 x_scroll_bar_set_handle (bar
, 0, top_range
, 0);
2717 int start
= ((double) position
* top_range
) / whole
;
2718 int end
= ((double) (position
+ portion
) * top_range
) / whole
;
2720 x_scroll_bar_set_handle (bar
, start
, end
, 0);
2724 XSETVECTOR (window
->vertical_scroll_bar
, bar
);
2728 /* The following three hooks are used when we're doing a thorough
2729 redisplay of the frame. We don't explicitly know which scroll bars
2730 are going to be deleted, because keeping track of when windows go
2731 away is a real pain - "Can you say set-window-configuration, boys
2732 and girls?" Instead, we just assert at the beginning of redisplay
2733 that *all* scroll bars are to be removed, and then save a scroll bar
2734 from the fiery pit when we actually redisplay its window. */
2736 /* Arrange for all scroll bars on FRAME to be removed at the next call
2737 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
2738 `*redeem_scroll_bar_hook' is applied to its window before the judgement. */
2740 XTcondemn_scroll_bars (frame
)
2743 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
2744 while (! NILP (FRAME_SCROLL_BARS (frame
)))
2747 bar
= FRAME_SCROLL_BARS (frame
);
2748 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
2749 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
2750 XSCROLL_BAR (bar
)->prev
= Qnil
;
2751 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
2752 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
2753 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
2757 /* Unmark WINDOW's scroll bar for deletion in this judgement cycle.
2758 Note that WINDOW isn't necessarily condemned at all. */
2760 XTredeem_scroll_bar (window
)
2761 struct window
*window
;
2763 struct scroll_bar
*bar
;
2765 /* We can't redeem this window's scroll bar if it doesn't have one. */
2766 if (NILP (window
->vertical_scroll_bar
))
2769 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
2771 /* Unlink it from the condemned list. */
2773 FRAME_PTR f
= XFRAME (WINDOW_FRAME (window
));
2775 if (NILP (bar
->prev
))
2777 /* If the prev pointer is nil, it must be the first in one of
2779 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
2780 /* It's not condemned. Everything's fine. */
2782 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
2783 window
->vertical_scroll_bar
))
2784 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
2786 /* If its prev pointer is nil, it must be at the front of
2787 one or the other! */
2791 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
2793 if (! NILP (bar
->next
))
2794 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
2796 bar
->next
= FRAME_SCROLL_BARS (f
);
2798 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
2799 if (! NILP (bar
->next
))
2800 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
2804 /* Remove all scroll bars on FRAME that haven't been saved since the
2805 last call to `*condemn_scroll_bars_hook'. */
2807 XTjudge_scroll_bars (f
)
2810 Lisp_Object bar
, next
;
2812 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
2814 /* Clear out the condemned list now so we won't try to process any
2815 more events on the hapless scroll bars. */
2816 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
2818 for (; ! NILP (bar
); bar
= next
)
2820 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
2822 x_scroll_bar_remove (b
);
2825 b
->next
= b
->prev
= Qnil
;
2828 /* Now there should be no references to the condemned scroll bars,
2829 and they should get garbage-collected. */
2833 /* Handle an Expose or GraphicsExpose event on a scroll bar.
2835 This may be called from a signal handler, so we have to ignore GC
2838 x_scroll_bar_expose (bar
, event
)
2839 struct scroll_bar
*bar
;
2842 Window w
= SCROLL_BAR_X_WINDOW (bar
);
2843 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
2844 GC gc
= f
->output_data
.x
->normal_gc
;
2848 x_scroll_bar_set_handle (bar
, XINT (bar
->start
), XINT (bar
->end
), 1);
2850 /* Draw a one-pixel border just inside the edges of the scroll bar. */
2851 XDrawRectangle (FRAME_X_DISPLAY (f
), w
, gc
,
2853 /* x, y, width, height */
2854 0, 0, XINT (bar
->width
) - 1, XINT (bar
->height
) - 1);
2859 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
2860 is set to something other than no_event, it is enqueued.
2862 This may be called from a signal handler, so we have to ignore GC
2865 x_scroll_bar_handle_click (bar
, event
, emacs_event
)
2866 struct scroll_bar
*bar
;
2868 struct input_event
*emacs_event
;
2870 if (! GC_WINDOWP (bar
->window
))
2873 emacs_event
->kind
= scroll_bar_click
;
2874 emacs_event
->code
= event
->xbutton
.button
- Button1
;
2875 emacs_event
->modifiers
2876 = (x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO
2877 (XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)))),
2878 event
->xbutton
.state
)
2879 | (event
->type
== ButtonRelease
2882 emacs_event
->frame_or_window
= bar
->window
;
2883 emacs_event
->timestamp
= event
->xbutton
.time
;
2886 = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar
->height
));
2888 = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar
->height
));
2889 int y
= event
->xbutton
.y
- VERTICAL_SCROLL_BAR_TOP_BORDER
;
2892 if (y
> top_range
) y
= top_range
;
2894 if (y
< XINT (bar
->start
))
2895 emacs_event
->part
= scroll_bar_above_handle
;
2896 else if (y
< XINT (bar
->end
) + VERTICAL_SCROLL_BAR_MIN_HANDLE
)
2897 emacs_event
->part
= scroll_bar_handle
;
2899 emacs_event
->part
= scroll_bar_below_handle
;
2901 /* Just because the user has clicked on the handle doesn't mean
2902 they want to drag it. Lisp code needs to be able to decide
2903 whether or not we're dragging. */
2905 /* If the user has just clicked on the handle, record where they're
2907 if (event
->type
== ButtonPress
2908 && emacs_event
->part
== scroll_bar_handle
)
2909 XSETINT (bar
->dragging
, y
- XINT (bar
->start
));
2912 /* If the user has released the handle, set it to its final position. */
2913 if (event
->type
== ButtonRelease
2914 && ! NILP (bar
->dragging
))
2916 int new_start
= y
- XINT (bar
->dragging
);
2917 int new_end
= new_start
+ (XINT (bar
->end
) - XINT (bar
->start
));
2919 x_scroll_bar_set_handle (bar
, new_start
, new_end
, 0);
2920 bar
->dragging
= Qnil
;
2923 /* Same deal here as the other #if 0. */
2925 /* Clicks on the handle are always reported as occurring at the top of
2927 if (emacs_event
->part
== scroll_bar_handle
)
2928 emacs_event
->x
= bar
->start
;
2930 XSETINT (emacs_event
->x
, y
);
2932 XSETINT (emacs_event
->x
, y
);
2935 XSETINT (emacs_event
->y
, top_range
);
2939 /* Handle some mouse motion while someone is dragging the scroll bar.
2941 This may be called from a signal handler, so we have to ignore GC
2944 x_scroll_bar_note_movement (bar
, event
)
2945 struct scroll_bar
*bar
;
2948 FRAME_PTR f
= XFRAME (XWINDOW (bar
->window
)->frame
);
2950 last_mouse_movement_time
= event
->xmotion
.time
;
2953 XSETVECTOR (last_mouse_scroll_bar
, bar
);
2955 /* If we're dragging the bar, display it. */
2956 if (! GC_NILP (bar
->dragging
))
2958 /* Where should the handle be now? */
2959 int new_start
= event
->xmotion
.y
- XINT (bar
->dragging
);
2961 if (new_start
!= XINT (bar
->start
))
2963 int new_end
= new_start
+ (XINT (bar
->end
) - XINT (bar
->start
));
2965 x_scroll_bar_set_handle (bar
, new_start
, new_end
, 0);
2970 /* Return information to the user about the current position of the mouse
2971 on the scroll bar. */
2973 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
2975 Lisp_Object
*bar_window
;
2976 enum scroll_bar_part
*part
;
2978 unsigned long *time
;
2980 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
2981 Window w
= SCROLL_BAR_X_WINDOW (bar
);
2982 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
2984 Window dummy_window
;
2986 unsigned int dummy_mask
;
2990 /* Get the mouse's position relative to the scroll bar window, and
2992 if (! XQueryPointer (FRAME_X_DISPLAY (f
), w
,
2994 /* Root, child, root x and root y. */
2995 &dummy_window
, &dummy_window
,
2996 &dummy_coord
, &dummy_coord
,
2998 /* Position relative to scroll bar. */
3001 /* Mouse buttons and modifier keys. */
3007 = VERTICAL_SCROLL_BAR_INSIDE_HEIGHT (XINT (bar
->height
));
3009 = VERTICAL_SCROLL_BAR_TOP_RANGE (XINT (bar
->height
));
3011 win_y
-= VERTICAL_SCROLL_BAR_TOP_BORDER
;
3013 if (! NILP (bar
->dragging
))
3014 win_y
-= XINT (bar
->dragging
);
3018 if (win_y
> top_range
)
3022 *bar_window
= bar
->window
;
3024 if (! NILP (bar
->dragging
))
3025 *part
= scroll_bar_handle
;
3026 else if (win_y
< XINT (bar
->start
))
3027 *part
= scroll_bar_above_handle
;
3028 else if (win_y
< XINT (bar
->end
) + VERTICAL_SCROLL_BAR_MIN_HANDLE
)
3029 *part
= scroll_bar_handle
;
3031 *part
= scroll_bar_below_handle
;
3033 XSETINT (*x
, win_y
);
3034 XSETINT (*y
, top_range
);
3037 last_mouse_scroll_bar
= Qnil
;
3040 *time
= last_mouse_movement_time
;
3046 /* The screen has been cleared so we may have changed foreground or
3047 background colors, and the scroll bars may need to be redrawn.
3048 Clear out the scroll bars, and ask for expose events, so we can
3051 x_scroll_bar_clear (f
)
3056 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
3057 bar
= XSCROLL_BAR (bar
)->next
)
3058 XClearArea (FRAME_X_DISPLAY (f
), SCROLL_BAR_X_WINDOW (XSCROLL_BAR (bar
)),
3062 /* This processes Expose events from the menubar specific X event
3063 loop in xmenu.c. This allows to redisplay the frame if necessary
3064 when handling menubar or popup items. */
3067 process_expose_from_menu (event
)
3071 struct x_display_info
*dpyinfo
;
3075 dpyinfo
= x_display_info_for_display (event
.xexpose
.display
);
3076 f
= x_window_to_frame (dpyinfo
, event
.xexpose
.window
);
3079 if (f
->async_visible
== 0)
3081 f
->async_visible
= 1;
3082 f
->async_iconified
= 0;
3083 SET_FRAME_GARBAGED (f
);
3087 dumprectangle (x_window_to_frame (dpyinfo
, event
.xexpose
.window
),
3088 event
.xexpose
.x
, event
.xexpose
.y
,
3089 event
.xexpose
.width
, event
.xexpose
.height
);
3094 struct scroll_bar
*bar
3095 = x_window_to_scroll_bar (event
.xexpose
.window
);
3098 x_scroll_bar_expose (bar
, &event
);
3104 /* Define a queue to save up SelectionRequest events for later handling. */
3106 struct selection_event_queue
3109 struct selection_event_queue
*next
;
3112 static struct selection_event_queue
*queue
;
3114 /* Nonzero means queue up certain events--don't process them yet. */
3115 static int x_queue_selection_requests
;
3117 /* Queue up an X event *EVENT, to be processed later. */
3120 x_queue_event (f
, event
)
3124 struct selection_event_queue
*queue_tmp
3125 = (struct selection_event_queue
*) malloc (sizeof (struct selection_event_queue
));
3127 if (queue_tmp
!= NULL
)
3129 queue_tmp
->event
= *event
;
3130 queue_tmp
->next
= queue
;
3135 /* Take all the queued events and put them back
3136 so that they get processed afresh. */
3139 x_unqueue_events (display
)
3142 while (queue
!= NULL
)
3144 struct selection_event_queue
*queue_tmp
= queue
;
3145 XPutBackEvent (display
, &queue_tmp
->event
);
3146 queue
= queue_tmp
->next
;
3147 free ((char *)queue_tmp
);
3151 /* Start queuing SelectionRequest events. */
3154 x_start_queuing_selection_requests (display
)
3157 x_queue_selection_requests
++;
3160 /* Stop queuing SelectionRequest events. */
3163 x_stop_queuing_selection_requests (display
)
3166 x_queue_selection_requests
--;
3167 x_unqueue_events (display
);
3170 /* The main X event-reading loop - XTread_socket. */
3172 /* Timestamp of enter window event. This is only used by XTread_socket,
3173 but we have to put it out here, since static variables within functions
3174 sometimes don't work. */
3175 static Time enter_timestamp
;
3177 /* This holds the state XLookupString needs to implement dead keys
3178 and other tricks known as "compose processing". _X Window System_
3179 says that a portable program can't use this, but Stephen Gildea assures
3180 me that letting the compiler initialize it to zeros will work okay.
3182 This must be defined outside of XTread_socket, for the same reasons
3183 given for enter_timestamp, above. */
3184 static XComposeStatus compose_status
;
3186 /* Record the last 100 characters stored
3187 to help debug the loss-of-chars-during-GC problem. */
3188 static int temp_index
;
3189 static short temp_buffer
[100];
3191 /* Set this to nonzero to fake an "X I/O error"
3192 on a particular display. */
3193 struct x_display_info
*XTread_socket_fake_io_error
;
3195 /* When we find no input here, we occasionally do a no-op command
3196 to verify that the X server is still running and we can still talk with it.
3197 We try all the open displays, one by one.
3198 This variable is used for cycling thru the displays. */
3199 static struct x_display_info
*next_noop_dpyinfo
;
3201 /* Read events coming from the X server.
3202 This routine is called by the SIGIO handler.
3203 We return as soon as there are no more events to be read.
3205 Events representing keys are stored in buffer BUFP,
3206 which can hold up to NUMCHARS characters.
3207 We return the number of characters stored into the buffer,
3208 thus pretending to be `read'.
3210 WAITP is nonzero if we should block until input arrives.
3211 EXPECTED is nonzero if the caller knows input is available. */
3214 XTread_socket (sd
, bufp
, numchars
, waitp
, expected
)
3216 register struct input_event
*bufp
;
3217 register int numchars
;
3224 int items_pending
; /* How many items are in the X queue. */
3227 int event_found
= 0;
3230 struct x_display_info
*dpyinfo
;
3232 Status status_return
;
3235 if (interrupt_input_blocked
)
3237 interrupt_input_pending
= 1;
3241 interrupt_input_pending
= 0;
3244 /* So people can tell when we have read the available input. */
3245 input_signal_count
++;
3248 abort (); /* Don't think this happens. */
3250 /* Find the display we are supposed to read input for.
3251 It's the one communicating on descriptor SD. */
3252 for (dpyinfo
= x_display_list
; dpyinfo
; dpyinfo
= dpyinfo
->next
)
3254 #if 0 /* This ought to be unnecessary; let's verify it. */
3256 /* If available, Xlib uses FIOSNBIO to make the socket
3257 non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set,
3258 FIOSNBIO is ignored, and instead of signaling EWOULDBLOCK,
3259 a read returns 0, which Xlib interprets as equivalent to EPIPE. */
3260 fcntl (dpyinfo
->connection
, F_SETFL
, 0);
3261 #endif /* ! defined (FIOSNBIO) */
3264 #if 0 /* This code can't be made to work, with multiple displays,
3265 and appears not to be used on any system any more.
3266 Also keyboard.c doesn't turn O_NDELAY on and off
3267 for X connections. */
3270 if (! (fcntl (dpyinfo
->connection
, F_GETFL
, 0) & O_NDELAY
))
3272 extern int read_alarm_should_throw
;
3273 read_alarm_should_throw
= 1;
3274 XPeekEvent (dpyinfo
->display
, &event
);
3275 read_alarm_should_throw
= 0;
3277 #endif /* HAVE_SELECT */
3281 /* For debugging, this gives a way to fake an I/O error. */
3282 if (dpyinfo
== XTread_socket_fake_io_error
)
3284 XTread_socket_fake_io_error
= 0;
3285 x_io_error_quitter (dpyinfo
->display
);
3288 while (XPending (dpyinfo
->display
) != 0)
3290 XNextEvent (dpyinfo
->display
, &event
);
3297 if (event
.xclient
.message_type
3298 == dpyinfo
->Xatom_wm_protocols
3299 && event
.xclient
.format
== 32)
3301 if (event
.xclient
.data
.l
[0]
3302 == dpyinfo
->Xatom_wm_take_focus
)
3304 f
= x_window_to_frame (dpyinfo
, event
.xclient
.window
);
3305 /* Since we set WM_TAKE_FOCUS, we must call
3306 XSetInputFocus explicitly. But not if f is null,
3307 since that might be an event for a deleted frame. */
3309 /* Not quite sure this is needed -pd */
3311 XSetICFocus (FRAME_XIC (f
));
3314 XSetInputFocus (event
.xclient
.display
,
3315 event
.xclient
.window
,
3316 RevertToPointerRoot
,
3317 event
.xclient
.data
.l
[1]);
3318 /* Not certain about handling scroll bars here */
3320 else if (event
.xclient
.data
.l
[0]
3321 == dpyinfo
->Xatom_wm_save_yourself
)
3323 /* Save state modify the WM_COMMAND property to
3324 something which can reinstate us. This notifies
3325 the session manager, who's looking for such a
3326 PropertyNotify. Can restart processing when
3327 a keyboard or mouse event arrives. */
3330 f
= x_top_window_to_frame (dpyinfo
,
3331 event
.xclient
.window
);
3333 /* This is just so we only give real data once
3334 for a single Emacs process. */
3335 if (f
== selected_frame
)
3336 XSetCommand (FRAME_X_DISPLAY (f
),
3337 event
.xclient
.window
,
3338 initial_argv
, initial_argc
);
3340 XSetCommand (FRAME_X_DISPLAY (f
),
3341 event
.xclient
.window
,
3345 else if (event
.xclient
.data
.l
[0]
3346 == dpyinfo
->Xatom_wm_delete_window
)
3349 = x_any_window_to_frame (dpyinfo
,
3350 event
.xclient
.window
);
3357 bufp
->kind
= delete_window_event
;
3358 XSETFRAME (bufp
->frame_or_window
, f
);
3366 else if (event
.xclient
.message_type
3367 == dpyinfo
->Xatom_wm_configure_denied
)
3370 else if (event
.xclient
.message_type
3371 == dpyinfo
->Xatom_wm_window_moved
)
3375 = x_window_to_frame (dpyinfo
, event
.xclient
.window
);
3377 new_x
= event
.xclient
.data
.s
[0];
3378 new_y
= event
.xclient
.data
.s
[1];
3382 f
->output_data
.x
->left_pos
= new_x
;
3383 f
->output_data
.x
->top_pos
= new_y
;
3387 else if (event
.xclient
.message_type
3388 == dpyinfo
->Xatom_editres
)
3391 = x_any_window_to_frame (dpyinfo
, event
.xclient
.window
);
3392 _XEditResCheckMessages (f
->output_data
.x
->widget
, NULL
,
3395 #endif /* HACK_EDITRES */
3399 case SelectionNotify
:
3400 #ifdef USE_X_TOOLKIT
3401 if (! x_window_to_frame (dpyinfo
, event
.xselection
.requestor
))
3403 #endif /* not USE_X_TOOLKIT */
3404 x_handle_selection_notify (&event
);
3407 case SelectionClear
: /* Someone has grabbed ownership. */
3408 #ifdef USE_X_TOOLKIT
3409 if (! x_window_to_frame (dpyinfo
, event
.xselectionclear
.window
))
3411 #endif /* USE_X_TOOLKIT */
3413 XSelectionClearEvent
*eventp
= (XSelectionClearEvent
*) &event
;
3418 bufp
->kind
= selection_clear_event
;
3419 SELECTION_EVENT_DISPLAY (bufp
) = eventp
->display
;
3420 SELECTION_EVENT_SELECTION (bufp
) = eventp
->selection
;
3421 SELECTION_EVENT_TIME (bufp
) = eventp
->time
;
3422 bufp
->frame_or_window
= Qnil
;
3430 case SelectionRequest
: /* Someone wants our selection. */
3431 #ifdef USE_X_TOOLKIT
3432 if (!x_window_to_frame (dpyinfo
, event
.xselectionrequest
.owner
))
3434 #endif /* USE_X_TOOLKIT */
3435 if (x_queue_selection_requests
)
3436 x_queue_event (x_window_to_frame (dpyinfo
, event
.xselectionrequest
.owner
),
3440 XSelectionRequestEvent
*eventp
= (XSelectionRequestEvent
*) &event
;
3445 bufp
->kind
= selection_request_event
;
3446 SELECTION_EVENT_DISPLAY (bufp
) = eventp
->display
;
3447 SELECTION_EVENT_REQUESTOR (bufp
) = eventp
->requestor
;
3448 SELECTION_EVENT_SELECTION (bufp
) = eventp
->selection
;
3449 SELECTION_EVENT_TARGET (bufp
) = eventp
->target
;
3450 SELECTION_EVENT_PROPERTY (bufp
) = eventp
->property
;
3451 SELECTION_EVENT_TIME (bufp
) = eventp
->time
;
3452 bufp
->frame_or_window
= Qnil
;
3460 case PropertyNotify
:
3461 #ifdef USE_X_TOOLKIT
3462 if (!x_any_window_to_frame (dpyinfo
, event
.xproperty
.window
))
3464 #endif /* not USE_X_TOOLKIT */
3465 x_handle_property_notify (&event
);
3468 case ReparentNotify
:
3469 f
= x_top_window_to_frame (dpyinfo
, event
.xreparent
.window
);
3473 f
->output_data
.x
->parent_desc
= event
.xreparent
.parent
;
3474 x_real_positions (f
, &x
, &y
);
3475 f
->output_data
.x
->left_pos
= x
;
3476 f
->output_data
.x
->top_pos
= y
;
3481 f
= x_window_to_frame (dpyinfo
, event
.xexpose
.window
);
3484 if (f
->async_visible
== 0)
3486 f
->async_visible
= 1;
3487 f
->async_iconified
= 0;
3488 SET_FRAME_GARBAGED (f
);
3491 dumprectangle (x_window_to_frame (dpyinfo
,
3492 event
.xexpose
.window
),
3493 event
.xexpose
.x
, event
.xexpose
.y
,
3494 event
.xexpose
.width
, event
.xexpose
.height
);
3498 struct scroll_bar
*bar
3499 = x_window_to_scroll_bar (event
.xexpose
.window
);
3502 x_scroll_bar_expose (bar
, &event
);
3503 #ifdef USE_X_TOOLKIT
3506 #endif /* USE_X_TOOLKIT */
3510 case GraphicsExpose
: /* This occurs when an XCopyArea's
3511 source area was obscured or not
3513 f
= x_window_to_frame (dpyinfo
, event
.xgraphicsexpose
.drawable
);
3517 event
.xgraphicsexpose
.x
, event
.xgraphicsexpose
.y
,
3518 event
.xgraphicsexpose
.width
,
3519 event
.xgraphicsexpose
.height
);
3521 #ifdef USE_X_TOOLKIT
3524 #endif /* USE_X_TOOLKIT */
3527 case NoExpose
: /* This occurs when an XCopyArea's
3528 source area was completely
3533 f
= x_top_window_to_frame (dpyinfo
, event
.xunmap
.window
);
3534 if (f
) /* F may no longer exist if
3535 the frame was deleted. */
3537 /* While a frame is unmapped, display generation is
3538 disabled; you don't want to spend time updating a
3539 display that won't ever be seen. */
3540 f
->async_visible
= 0;
3541 /* We can't distinguish, from the event, whether the window
3542 has become iconified or invisible. So assume, if it
3543 was previously visible, than now it is iconified.
3544 We depend on x_make_frame_invisible to mark it iconified. */
3545 if (FRAME_VISIBLE_P (f
) || FRAME_ICONIFIED_P (f
))
3546 f
->async_iconified
= 1;
3548 bufp
->kind
= iconify_event
;
3549 XSETFRAME (bufp
->frame_or_window
, f
);
3557 /* We use x_top_window_to_frame because map events can come
3558 for subwindows and they don't mean that the frame is visible. */
3559 f
= x_top_window_to_frame (dpyinfo
, event
.xmap
.window
);
3562 f
->async_visible
= 1;
3563 f
->async_iconified
= 0;
3565 /* wait_reading_process_input will notice this and update
3566 the frame's display structures. */
3567 SET_FRAME_GARBAGED (f
);
3571 bufp
->kind
= deiconify_event
;
3572 XSETFRAME (bufp
->frame_or_window
, f
);
3577 else if (! NILP(Vframe_list
)
3578 && ! NILP (XCONS (Vframe_list
)->cdr
))
3579 /* Force a redisplay sooner or later
3580 to update the frame titles
3581 in case this is the second frame. */
3582 record_asynch_buffer_change ();
3586 /* Turn off processing if we become fully obscured. */
3587 case VisibilityNotify
:
3591 f
= x_any_window_to_frame (dpyinfo
, event
.xkey
.window
);
3595 KeySym keysym
, orig_keysym
;
3596 /* al%imercury@uunet.uu.net says that making this 81 instead of
3597 80 fixed a bug whereby meta chars made his Emacs hang. */
3598 unsigned char copy_buffer
[81];
3602 |= x_emacs_to_x_modifiers (FRAME_X_DISPLAY_INFO (f
),
3603 extra_keyboard_modifiers
);
3604 modifiers
= event
.xkey
.state
;
3606 /* This will have to go some day... */
3608 /* make_lispy_event turns chars into control chars.
3609 Don't do it here because XLookupString is too eager. */
3610 event
.xkey
.state
&= ~ControlMask
;
3611 event
.xkey
.state
&= ~(dpyinfo
->meta_mod_mask
3612 | dpyinfo
->super_mod_mask
3613 | dpyinfo
->hyper_mod_mask
3614 | dpyinfo
->alt_mod_mask
);
3619 /* The necessity of the following line took me
3620 a full work-day to decipher from the docs!! */
3621 if (XFilterEvent (&event
, None
))
3623 nbytes
= XmbLookupString (FRAME_XIC (f
),
3624 &event
.xkey
, copy_buffer
,
3629 nbytes
= XLookupString (&event
.xkey
, copy_buffer
,
3630 80, &keysym
, &compose_status
);
3632 nbytes
= XLookupString (&event
.xkey
, copy_buffer
,
3633 80, &keysym
, &compose_status
);
3636 orig_keysym
= keysym
;
3640 if (((keysym
>= XK_BackSpace
&& keysym
<= XK_Escape
)
3641 || keysym
== XK_Delete
3642 || IsCursorKey (keysym
) /* 0xff50 <= x < 0xff60 */
3643 || IsMiscFunctionKey (keysym
) /* 0xff60 <= x < VARIES */
3645 /* This recognizes the "extended function keys".
3646 It seems there's no cleaner way.
3647 Test IsModifierKey to avoid handling mode_switch
3649 || ((unsigned) (keysym
) >= XK_Select
3650 && (unsigned)(keysym
) < XK_KP_Space
)
3652 #ifdef XK_dead_circumflex
3653 || orig_keysym
== XK_dead_circumflex
3655 #ifdef XK_dead_grave
3656 || orig_keysym
== XK_dead_grave
3658 #ifdef XK_dead_tilde
3659 || orig_keysym
== XK_dead_tilde
3661 #ifdef XK_dead_diaeresis
3662 || orig_keysym
== XK_dead_diaeresis
3664 #ifdef XK_dead_macron
3665 || orig_keysym
== XK_dead_macron
3667 #ifdef XK_dead_degree
3668 || orig_keysym
== XK_dead_degree
3670 #ifdef XK_dead_acute
3671 || orig_keysym
== XK_dead_acute
3673 #ifdef XK_dead_cedilla
3674 || orig_keysym
== XK_dead_cedilla
3676 #ifdef XK_dead_breve
3677 || orig_keysym
== XK_dead_breve
3679 #ifdef XK_dead_ogonek
3680 || orig_keysym
== XK_dead_ogonek
3682 #ifdef XK_dead_caron
3683 || orig_keysym
== XK_dead_caron
3685 #ifdef XK_dead_doubleacute
3686 || orig_keysym
== XK_dead_doubleacute
3688 #ifdef XK_dead_abovedot
3689 || orig_keysym
== XK_dead_abovedot
3691 || IsKeypadKey (keysym
) /* 0xff80 <= x < 0xffbe */
3692 || IsFunctionKey (keysym
) /* 0xffbe <= x < 0xffe1 */
3693 /* Any "vendor-specific" key is ok. */
3694 || (orig_keysym
& (1 << 28)))
3695 && ! (IsModifierKey (orig_keysym
)
3697 #ifdef XK_Mode_switch
3698 || ((unsigned)(orig_keysym
) == XK_Mode_switch
)
3701 || ((unsigned)(orig_keysym
) == XK_Num_Lock
)
3703 #endif /* not HAVE_X11R5 */
3706 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
3708 temp_buffer
[temp_index
++] = keysym
;
3709 bufp
->kind
= non_ascii_keystroke
;
3710 bufp
->code
= keysym
;
3711 XSETFRAME (bufp
->frame_or_window
, f
);
3713 = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f
),
3715 bufp
->timestamp
= event
.xkey
.time
;
3720 else if (numchars
> nbytes
)
3724 for (i
= 0; i
< nbytes
; i
++)
3726 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
3728 temp_buffer
[temp_index
++] = copy_buffer
[i
];
3729 bufp
->kind
= ascii_keystroke
;
3730 bufp
->code
= copy_buffer
[i
];
3731 XSETFRAME (bufp
->frame_or_window
, f
);
3733 = x_x_to_emacs_modifiers (FRAME_X_DISPLAY_INFO (f
),
3735 bufp
->timestamp
= event
.xkey
.time
;
3750 /* Here's a possible interpretation of the whole
3751 FocusIn-EnterNotify FocusOut-LeaveNotify mess. If you get a
3752 FocusIn event, you have to get a FocusOut event before you
3753 relinquish the focus. If you haven't received a FocusIn event,
3754 then a mere LeaveNotify is enough to free you. */
3757 f
= x_any_window_to_frame (dpyinfo
, event
.xcrossing
.window
);
3759 if (event
.xcrossing
.focus
) /* Entered Window */
3761 /* Avoid nasty pop/raise loops. */
3762 if (f
&& (!(f
->auto_raise
)
3764 || (event
.xcrossing
.time
- enter_timestamp
) > 500))
3766 x_new_focus_frame (dpyinfo
, f
);
3767 enter_timestamp
= event
.xcrossing
.time
;
3770 else if (f
== dpyinfo
->x_focus_frame
)
3771 x_new_focus_frame (dpyinfo
, 0);
3772 /* EnterNotify counts as mouse movement,
3773 so update things that depend on mouse position. */
3775 note_mouse_movement (f
, &event
.xmotion
);
3779 f
= x_any_window_to_frame (dpyinfo
, event
.xfocus
.window
);
3780 if (event
.xfocus
.detail
!= NotifyPointer
)
3781 dpyinfo
->x_focus_event_frame
= f
;
3783 x_new_focus_frame (dpyinfo
, f
);
3786 if (f
&& FRAME_XIC (f
))
3787 XSetICFocus (FRAME_XIC (f
));
3793 f
= x_top_window_to_frame (dpyinfo
, event
.xcrossing
.window
);
3796 if (f
== dpyinfo
->mouse_face_mouse_frame
)
3797 /* If we move outside the frame,
3798 then we're certainly no longer on any text in the frame. */
3799 clear_mouse_face (dpyinfo
);
3801 if (event
.xcrossing
.focus
)
3802 x_mouse_leave (dpyinfo
);
3805 if (f
== dpyinfo
->x_focus_event_frame
)
3806 dpyinfo
->x_focus_event_frame
= 0;
3807 if (f
== dpyinfo
->x_focus_frame
)
3808 x_new_focus_frame (dpyinfo
, 0);
3814 f
= x_any_window_to_frame (dpyinfo
, event
.xfocus
.window
);
3815 if (event
.xfocus
.detail
!= NotifyPointer
3816 && f
== dpyinfo
->x_focus_event_frame
)
3817 dpyinfo
->x_focus_event_frame
= 0;
3818 if (f
&& f
== dpyinfo
->x_focus_frame
)
3819 x_new_focus_frame (dpyinfo
, 0);
3822 if (f
&& FRAME_XIC (f
))
3823 XUnsetICFocus (FRAME_XIC (f
));
3830 if (dpyinfo
->grabbed
&& last_mouse_frame
3831 && FRAME_LIVE_P (last_mouse_frame
))
3832 f
= last_mouse_frame
;
3834 f
= x_window_to_frame (dpyinfo
, event
.xmotion
.window
);
3836 note_mouse_movement (f
, &event
.xmotion
);
3839 struct scroll_bar
*bar
3840 = x_window_to_scroll_bar (event
.xmotion
.window
);
3843 x_scroll_bar_note_movement (bar
, &event
);
3845 /* If we move outside the frame,
3846 then we're certainly no longer on any text in the frame. */
3847 clear_mouse_face (dpyinfo
);
3852 case ConfigureNotify
:
3853 f
= x_any_window_to_frame (dpyinfo
, event
.xconfigure
.window
);
3855 #ifdef USE_X_TOOLKIT
3856 && (event
.xconfigure
.window
== XtWindow (f
->output_data
.x
->widget
))
3860 #ifndef USE_X_TOOLKIT
3861 /* In the toolkit version, change_frame_size
3862 is called by the code that handles resizing
3863 of the EmacsFrame widget. */
3865 int rows
= PIXEL_TO_CHAR_HEIGHT (f
, event
.xconfigure
.height
);
3866 int columns
= PIXEL_TO_CHAR_WIDTH (f
, event
.xconfigure
.width
);
3868 /* Even if the number of character rows and columns has
3869 not changed, the font size may have changed, so we need
3870 to check the pixel dimensions as well. */
3871 if (columns
!= f
->width
3872 || rows
!= f
->height
3873 || event
.xconfigure
.width
!= f
->output_data
.x
->pixel_width
3874 || event
.xconfigure
.height
!= f
->output_data
.x
->pixel_height
)
3876 change_frame_size (f
, rows
, columns
, 0, 1);
3877 SET_FRAME_GARBAGED (f
);
3881 /* Formerly, in the USE_X_TOOLKIT version,
3882 we did not test send_event here. */
3884 #ifndef USE_X_TOOLKIT
3885 && ! event
.xconfigure
.send_event
3892 /* Find the position of the outside upper-left corner of
3893 the window, in the root coordinate system. Don't
3894 refer to the parent window here; we may be processing
3895 this event after the window manager has changed our
3896 parent, but before we have reached the ReparentNotify. */
3897 XTranslateCoordinates (FRAME_X_DISPLAY (f
),
3899 /* From-window, to-window. */
3900 event
.xconfigure
.window
,
3901 FRAME_X_DISPLAY_INFO (f
)->root_window
,
3903 /* From-position, to-position. */
3904 -event
.xconfigure
.border_width
,
3905 -event
.xconfigure
.border_width
,
3910 event
.xconfigure
.x
= win_x
;
3911 event
.xconfigure
.y
= win_y
;
3914 f
->output_data
.x
->pixel_width
= event
.xconfigure
.width
;
3915 f
->output_data
.x
->pixel_height
= event
.xconfigure
.height
;
3916 f
->output_data
.x
->left_pos
= event
.xconfigure
.x
;
3917 f
->output_data
.x
->top_pos
= event
.xconfigure
.y
;
3919 /* What we have now is the position of Emacs's own window.
3920 Convert that to the position of the window manager window. */
3923 x_real_positions (f
, &x
, &y
);
3924 f
->output_data
.x
->left_pos
= x
;
3925 f
->output_data
.x
->top_pos
= y
;
3926 /* Formerly we did not do this in the USE_X_TOOLKIT
3927 version. Let's try making them the same. */
3928 /* #ifndef USE_X_TOOLKIT */
3929 if (y
!= event
.xconfigure
.y
)
3931 /* Since the WM decorations come below top_pos now,
3932 we must put them below top_pos in the future. */
3933 f
->output_data
.x
->win_gravity
= NorthWestGravity
;
3934 x_wm_set_size_hint (f
, (long) 0, 0);
3944 /* If we decide we want to generate an event to be seen
3945 by the rest of Emacs, we put it here. */
3946 struct input_event emacs_event
;
3947 emacs_event
.kind
= no_event
;
3949 bzero (&compose_status
, sizeof (compose_status
));
3951 if (dpyinfo
->grabbed
&& last_mouse_frame
3952 && FRAME_LIVE_P (last_mouse_frame
))
3953 f
= last_mouse_frame
;
3955 f
= x_window_to_frame (dpyinfo
, event
.xbutton
.window
);
3959 if (!dpyinfo
->x_focus_frame
|| f
== dpyinfo
->x_focus_frame
)
3960 construct_mouse_click (&emacs_event
, &event
, f
);
3964 struct scroll_bar
*bar
3965 = x_window_to_scroll_bar (event
.xbutton
.window
);
3968 x_scroll_bar_handle_click (bar
, &event
, &emacs_event
);
3971 if (event
.type
== ButtonPress
)
3973 dpyinfo
->grabbed
|= (1 << event
.xbutton
.button
);
3974 last_mouse_frame
= f
;
3978 dpyinfo
->grabbed
&= ~(1 << event
.xbutton
.button
);
3981 if (numchars
>= 1 && emacs_event
.kind
!= no_event
)
3983 bcopy (&emacs_event
, bufp
, sizeof (struct input_event
));
3989 #ifdef USE_X_TOOLKIT
3990 f
= x_menubar_window_to_frame (dpyinfo
, event
.xbutton
.window
);
3991 /* For a down-event in the menu bar,
3992 don't pass it to Xt right now.
3993 Instead, save it away
3994 and we will pass it to Xt from kbd_buffer_get_event.
3995 That way, we can run some Lisp code first. */
3996 if (f
&& event
.type
== ButtonPress
3997 /* Verify the event is really within the menu bar
3998 and not just sent to it due to grabbing. */
3999 && event
.xbutton
.x
>= 0
4000 && event
.xbutton
.x
< f
->output_data
.x
->pixel_width
4001 && event
.xbutton
.y
>= 0
4002 && event
.xbutton
.y
< f
->output_data
.x
->menubar_height
4003 && event
.xbutton
.same_screen
)
4005 if (f
->output_data
.x
->saved_button_event
== 0)
4006 f
->output_data
.x
->saved_button_event
4007 = (XButtonEvent
*) xmalloc (sizeof (XButtonEvent
));
4008 bcopy (&event
, f
->output_data
.x
->saved_button_event
,
4009 sizeof (XButtonEvent
));
4012 bufp
->kind
= menu_bar_activate_event
;
4013 XSETFRAME (bufp
->frame_or_window
, f
);
4021 #endif /* USE_X_TOOLKIT */
4025 case CirculateNotify
:
4027 case CirculateRequest
:
4031 /* Someone has changed the keyboard mapping - update the
4033 switch (event
.xmapping
.request
)
4035 case MappingModifier
:
4036 x_find_modifier_meanings (dpyinfo
);
4037 /* This is meant to fall through. */
4038 case MappingKeyboard
:
4039 XRefreshKeyboardMapping (&event
.xmapping
);
4045 #ifdef USE_X_TOOLKIT
4047 XtDispatchEvent (&event
);
4049 #endif /* USE_X_TOOLKIT */
4055 /* On some systems, an X bug causes Emacs to get no more events
4056 when the window is destroyed. Detect that. (1994.) */
4059 /* Emacs and the X Server eats up CPU time if XNoOp is done every time.
4060 One XNOOP in 100 loops will make Emacs terminate.
4061 B. Bretthauer, 1994 */
4063 if (x_noop_count
>= 100)
4067 if (next_noop_dpyinfo
== 0)
4068 next_noop_dpyinfo
= x_display_list
;
4070 XNoOp (next_noop_dpyinfo
->display
);
4072 /* Each time we get here, cycle through the displays now open. */
4073 next_noop_dpyinfo
= next_noop_dpyinfo
->next
;
4077 /* If the focus was just given to an autoraising frame,
4079 /* ??? This ought to be able to handle more than one such frame. */
4080 if (pending_autoraise_frame
)
4082 x_raise_frame (pending_autoraise_frame
);
4083 pending_autoraise_frame
= 0;
4090 /* Drawing the cursor. */
4093 /* Draw a hollow box cursor on frame F at X, Y.
4094 Don't change the inside of the box. */
4097 x_draw_box (f
, x
, y
)
4101 int left
= CHAR_TO_PIXEL_COL (f
, x
);
4102 int top
= CHAR_TO_PIXEL_ROW (f
, y
);
4103 int width
= FONT_WIDTH (f
->output_data
.x
->font
);
4104 int height
= f
->output_data
.x
->line_height
;
4106 XDrawRectangle (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
4107 f
->output_data
.x
->cursor_gc
,
4108 left
, top
, width
- 1, height
- 1);
4111 /* Clear the cursor of frame F to background color,
4112 and mark the cursor as not shown.
4113 This is used when the text where the cursor is
4114 is about to be rewritten. */
4122 if (! FRAME_VISIBLE_P (f
)
4123 || f
->phys_cursor_x
< 0)
4126 x_display_cursor (f
, 0);
4127 f
->phys_cursor_x
= -1;
4130 /* Redraw the glyph at ROW, COLUMN on frame F, in the style
4131 HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the
4135 x_draw_single_glyph (f
, row
, column
, glyph
, highlight
)
4142 CHAR_TO_PIXEL_COL (f
, column
),
4143 CHAR_TO_PIXEL_ROW (f
, row
),
4144 &glyph
, 1, highlight
, 0);
4148 x_display_bar_cursor (f
, on
, x
, y
)
4153 struct frame_glyphs
*current_glyphs
= FRAME_CURRENT_GLYPHS (f
);
4155 /* This is pointless on invisible frames, and dangerous on garbaged
4156 frames; in the latter case, the frame may be in the midst of
4157 changing its size, and x and y may be off the frame. */
4158 if (! FRAME_VISIBLE_P (f
) || FRAME_GARBAGED_P (f
))
4161 if (! on
&& f
->phys_cursor_x
< 0)
4164 /* If there is anything wrong with the current cursor state, remove it. */
4165 if (f
->phys_cursor_x
>= 0
4167 || f
->phys_cursor_x
!= x
4168 || f
->phys_cursor_y
!= y
4169 || f
->output_data
.x
->current_cursor
!= bar_cursor
))
4171 /* Erase the cursor by redrawing the character underneath it. */
4172 x_draw_single_glyph (f
, f
->phys_cursor_y
, f
->phys_cursor_x
,
4173 f
->phys_cursor_glyph
,
4174 current_glyphs
->highlight
[f
->phys_cursor_y
]);
4175 f
->phys_cursor_x
= -1;
4178 /* If we now need a cursor in the new place or in the new form, do it so. */
4180 && (f
->phys_cursor_x
< 0
4181 || (f
->output_data
.x
->current_cursor
!= bar_cursor
)))
4183 f
->phys_cursor_glyph
4184 = ((current_glyphs
->enable
[y
]
4185 && x
< current_glyphs
->used
[y
])
4186 ? current_glyphs
->glyphs
[y
][x
]
4188 XFillRectangle (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
4189 f
->output_data
.x
->cursor_gc
,
4190 CHAR_TO_PIXEL_COL (f
, x
),
4191 CHAR_TO_PIXEL_ROW (f
, y
),
4192 max (f
->output_data
.x
->cursor_width
, 1),
4193 f
->output_data
.x
->line_height
);
4195 f
->phys_cursor_x
= x
;
4196 f
->phys_cursor_y
= y
;
4198 f
->output_data
.x
->current_cursor
= bar_cursor
;
4201 if (updating_frame
!= f
)
4202 XFlush (FRAME_X_DISPLAY (f
));
4206 /* Turn the displayed cursor of frame F on or off according to ON.
4207 If ON is nonzero, where to put the cursor is specified by X and Y. */
4210 x_display_box_cursor (f
, on
, x
, y
)
4215 struct frame_glyphs
*current_glyphs
= FRAME_CURRENT_GLYPHS (f
);
4217 /* This is pointless on invisible frames, and dangerous on garbaged
4218 frames; in the latter case, the frame may be in the midst of
4219 changing its size, and x and y may be off the frame. */
4220 if (! FRAME_VISIBLE_P (f
) || FRAME_GARBAGED_P (f
))
4223 /* If cursor is off and we want it off, return quickly. */
4224 if (!on
&& f
->phys_cursor_x
< 0)
4227 /* If cursor is currently being shown and we don't want it to be
4228 or it is in the wrong place,
4229 or we want a hollow box and it's not so, (pout!)
4231 if (f
->phys_cursor_x
>= 0
4233 || f
->phys_cursor_x
!= x
4234 || f
->phys_cursor_y
!= y
4235 || (f
->output_data
.x
->current_cursor
!= hollow_box_cursor
4236 && (f
!= FRAME_X_DISPLAY_INFO (f
)->x_highlight_frame
))))
4238 int mouse_face_here
= 0;
4239 struct frame_glyphs
*active_glyphs
= FRAME_CURRENT_GLYPHS (f
);
4241 /* If the cursor is in the mouse face area, redisplay that when
4242 we clear the cursor. */
4243 if (f
== FRAME_X_DISPLAY_INFO (f
)->mouse_face_mouse_frame
4245 (f
->phys_cursor_y
> FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_row
4246 || (f
->phys_cursor_y
== FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_row
4247 && f
->phys_cursor_x
>= FRAME_X_DISPLAY_INFO (f
)->mouse_face_beg_col
))
4249 (f
->phys_cursor_y
< FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_row
4250 || (f
->phys_cursor_y
== FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_row
4251 && f
->phys_cursor_x
< FRAME_X_DISPLAY_INFO (f
)->mouse_face_end_col
))
4252 /* Don't redraw the cursor's spot in mouse face
4253 if it is at the end of a line (on a newline).
4254 The cursor appears there, but mouse highlighting does not. */
4255 && active_glyphs
->used
[f
->phys_cursor_y
] > f
->phys_cursor_x
)
4256 mouse_face_here
= 1;
4258 /* If the font is not as tall as a whole line,
4259 we must explicitly clear the line's whole height. */
4260 if (FONT_HEIGHT (f
->output_data
.x
->font
) != f
->output_data
.x
->line_height
)
4261 XClearArea (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
4262 CHAR_TO_PIXEL_COL (f
, f
->phys_cursor_x
),
4263 CHAR_TO_PIXEL_ROW (f
, f
->phys_cursor_y
),
4264 FONT_WIDTH (f
->output_data
.x
->font
),
4265 f
->output_data
.x
->line_height
, False
);
4266 /* Erase the cursor by redrawing the character underneath it. */
4267 x_draw_single_glyph (f
, f
->phys_cursor_y
, f
->phys_cursor_x
,
4268 f
->phys_cursor_glyph
,
4271 : current_glyphs
->highlight
[f
->phys_cursor_y
]));
4272 f
->phys_cursor_x
= -1;
4275 /* If we want to show a cursor,
4276 or we want a box cursor and it's not so,
4277 write it in the right place. */
4279 && (f
->phys_cursor_x
< 0
4280 || (f
->output_data
.x
->current_cursor
!= filled_box_cursor
4281 && f
== FRAME_X_DISPLAY_INFO (f
)->x_highlight_frame
)))
4283 f
->phys_cursor_glyph
4284 = ((current_glyphs
->enable
[y
]
4285 && x
< current_glyphs
->used
[y
])
4286 ? current_glyphs
->glyphs
[y
][x
]
4288 if (f
!= FRAME_X_DISPLAY_INFO (f
)->x_highlight_frame
)
4290 x_draw_box (f
, x
, y
);
4291 f
->output_data
.x
->current_cursor
= hollow_box_cursor
;
4295 x_draw_single_glyph (f
, y
, x
,
4296 f
->phys_cursor_glyph
, 2);
4297 f
->output_data
.x
->current_cursor
= filled_box_cursor
;
4300 f
->phys_cursor_x
= x
;
4301 f
->phys_cursor_y
= y
;
4304 if (updating_frame
!= f
)
4305 XFlush (FRAME_X_DISPLAY (f
));
4308 /* Display the cursor on frame F, or clear it, according to ON.
4309 Use the position specified by curs_x and curs_y
4310 if we are doing an update of frame F now.
4311 Otherwise use the position in the FRAME_CURSOR_X and FRAME_CURSOR_Y fields
4314 x_display_cursor (f
, on
)
4320 /* If we're not updating, then don't change the physical cursor
4321 position. Just change (if appropriate) the style of display. */
4322 if (f
!= updating_frame
)
4324 curs_x
= FRAME_CURSOR_X (f
);
4325 curs_y
= FRAME_CURSOR_Y (f
);
4328 if (FRAME_DESIRED_CURSOR (f
) == filled_box_cursor
)
4329 x_display_box_cursor (f
, on
, curs_x
, curs_y
);
4330 else if (FRAME_DESIRED_CURSOR (f
) == bar_cursor
)
4331 x_display_bar_cursor (f
, on
, curs_x
, curs_y
);
4333 /* Those are the only two we have implemented! */
4339 /* Display the cursor on frame F, or clear it, according to ON.
4340 Don't change the cursor's position. */
4342 x_update_cursor (f
, on
)
4346 /* If we don't have any previous cursor position to use,
4347 leave the cursor off. */
4348 if (f
->phys_cursor_x
< 0)
4353 if (FRAME_DESIRED_CURSOR (f
) == filled_box_cursor
)
4354 x_display_box_cursor (f
, on
, f
->phys_cursor_x
, f
->phys_cursor_y
);
4355 else if (FRAME_DESIRED_CURSOR (f
) == bar_cursor
)
4356 x_display_bar_cursor (f
, on
, f
->phys_cursor_x
, f
->phys_cursor_y
);
4358 /* Those are the only two we have implemented! */
4366 /* Refresh bitmap kitchen sink icon for frame F
4367 when we get an expose event for it. */
4372 /* Normally, the window manager handles this function. */
4375 /* Make the x-window of frame F use the gnu icon bitmap. */
4378 x_bitmap_icon (f
, file
)
4382 int mask
, bitmap_id
;
4385 if (FRAME_X_WINDOW (f
) == 0)
4388 /* Free up our existing icon bitmap if any. */
4389 if (f
->output_data
.x
->icon_bitmap
> 0)
4390 x_destroy_bitmap (f
, f
->output_data
.x
->icon_bitmap
);
4391 f
->output_data
.x
->icon_bitmap
= 0;
4394 bitmap_id
= x_create_bitmap_from_file (f
, file
);
4397 /* Create the GNU bitmap if necessary. */
4398 if (FRAME_X_DISPLAY_INFO (f
)->icon_bitmap_id
< 0)
4399 FRAME_X_DISPLAY_INFO (f
)->icon_bitmap_id
4400 = x_create_bitmap_from_data (f
, gnu_bits
,
4401 gnu_width
, gnu_height
);
4403 /* The first time we create the GNU bitmap,
4404 this increments the refcount one extra time.
4405 As a result, the GNU bitmap is never freed.
4406 That way, we don't have to worry about allocating it again. */
4407 x_reference_bitmap (f
, FRAME_X_DISPLAY_INFO (f
)->icon_bitmap_id
);
4409 bitmap_id
= FRAME_X_DISPLAY_INFO (f
)->icon_bitmap_id
;
4412 x_wm_set_icon_pixmap (f
, bitmap_id
);
4413 f
->output_data
.x
->icon_bitmap
= bitmap_id
;
4419 /* Make the x-window of frame F use a rectangle with text.
4420 Use ICON_NAME as the text. */
4423 x_text_icon (f
, icon_name
)
4427 if (FRAME_X_WINDOW (f
) == 0)
4433 text
.value
= (unsigned char *) icon_name
;
4434 text
.encoding
= XA_STRING
;
4436 text
.nitems
= strlen (icon_name
);
4437 #ifdef USE_X_TOOLKIT
4438 XSetWMIconName (FRAME_X_DISPLAY (f
), XtWindow (f
->output_data
.x
->widget
),
4440 #else /* not USE_X_TOOLKIT */
4441 XSetWMIconName (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
), &text
);
4442 #endif /* not USE_X_TOOLKIT */
4444 #else /* not HAVE_X11R4 */
4445 XSetIconName (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
), icon_name
);
4446 #endif /* not HAVE_X11R4 */
4448 if (f
->output_data
.x
->icon_bitmap
> 0)
4449 x_destroy_bitmap (f
, f
->output_data
.x
->icon_bitmap
);
4450 f
->output_data
.x
->icon_bitmap
= 0;
4451 x_wm_set_icon_pixmap (f
, 0);
4456 /* Handling X errors. */
4458 /* Handle the loss of connection to display DISPLAY. */
4461 x_connection_closed (display
, error_message
)
4463 char *error_message
;
4465 struct x_display_info
*dpyinfo
= x_display_info_for_display (display
);
4466 Lisp_Object frame
, tail
;
4468 /* Indicate that this display is dead. */
4470 dpyinfo
->display
= 0;
4472 /* First delete frames whose minibuffers are on frames
4473 that are on the dead display. */
4474 FOR_EACH_FRAME (tail
, frame
)
4476 Lisp_Object minibuf_frame
;
4478 = WINDOW_FRAME (XWINDOW (FRAME_MINIBUF_WINDOW (XFRAME (frame
))));
4479 if (FRAME_X_P (XFRAME (frame
))
4480 && FRAME_X_P (XFRAME (minibuf_frame
))
4481 && ! EQ (frame
, minibuf_frame
)
4482 && FRAME_X_DISPLAY_INFO (XFRAME (minibuf_frame
)) == dpyinfo
)
4483 Fdelete_frame (frame
, Qt
);
4486 /* Now delete all remaining frames on the dead display.
4487 We are now sure none of these is used as the minibuffer
4488 for another frame that we need to delete. */
4489 FOR_EACH_FRAME (tail
, frame
)
4490 if (FRAME_X_P (XFRAME (frame
))
4491 && FRAME_X_DISPLAY_INFO (XFRAME (frame
)) == dpyinfo
)
4493 /* Set this to t so that Fdelete_frame won't get confused
4494 trying to find a replacement. */
4495 FRAME_KBOARD (XFRAME (frame
))->Vdefault_minibuffer_frame
= Qt
;
4496 Fdelete_frame (frame
, Qt
);
4500 x_delete_display (dpyinfo
);
4502 if (x_display_list
== 0)
4504 fprintf (stderr
, "%s", error_message
);
4505 shut_down_emacs (0, 0, Qnil
);
4509 /* Ordinary stack unwind doesn't deal with these. */
4511 sigunblock (sigmask (SIGIO
));
4513 sigunblock (sigmask (SIGALRM
));
4514 TOTALLY_UNBLOCK_INPUT
;
4516 error ("%s", error_message
);
4519 /* This is the usual handler for X protocol errors.
4520 It kills all frames on the display that we got the error for.
4521 If that was the only one, it prints an error message and kills Emacs. */
4524 x_error_quitter (display
, error
)
4528 char buf
[256], buf1
[356];
4530 /* Note that there is no real way portable across R3/R4 to get the
4531 original error handler. */
4533 XGetErrorText (display
, error
->error_code
, buf
, sizeof (buf
));
4534 sprintf (buf1
, "X protocol error: %s on protocol request %d\n",
4535 buf
, error
->request_code
);
4536 x_connection_closed (display
, buf1
);
4539 /* This is the handler for X IO errors, always.
4540 It kills all frames on the display that we lost touch with.
4541 If that was the only one, it prints an error message and kills Emacs. */
4544 x_io_error_quitter (display
)
4549 sprintf (buf
, "Connection lost to X server `%s'", DisplayString (display
));
4550 x_connection_closed (display
, buf
);
4553 /* Handle SIGPIPE, which can happen when the connection to a server
4554 simply goes away. SIGPIPE is handled by x_connection_signal.
4555 It works by sending a no-op command to each X server connection.
4556 When we try a connection that has closed, we get SIGPIPE again.
4557 But this time, it is handled by x_connection_signal_1.
4558 That function knows which connection we were testing,
4559 so it closes that one.
4561 x_connection_closed never returns,
4562 so if more than one connection was lost at once,
4563 we only find one. But XTread_socket keeps trying them all,
4564 so it will notice the other closed one sooner or later. */
4567 static struct x_display_info
*x_connection_signal_dpyinfo
;
4569 static SIGTYPE
x_connection_signal ();
4572 x_connection_signal_1 (signalnum
) /* If we don't have an argument, */
4573 int signalnum
; /* some compilers complain in signal calls. */
4575 signal (SIGPIPE
, x_connection_signal
);
4576 x_connection_closed (x_connection_signal_dpyinfo
,
4577 "connection was lost");
4581 x_connection_signal (signalnum
) /* If we don't have an argument, */
4582 int signalnum
; /* some compilers complain in signal calls. */
4584 x_connection_signal_dpyinfo
= x_display_list
;
4586 sigunblock (SIGPIPE
);
4588 while (x_connection_signal_dpyinfo
)
4590 signal (SIGPIPE
, x_connection_signal_1
);
4592 x_connection_close_if_hung (x_connection_signal_dpyinfo
);
4594 XNoOp (x_connection_signal_dpyinfo
->display
);
4596 XSync (x_connection_signal_dpyinfo
->display
, False
);
4598 /* Each time we get here, cycle through the displays now open. */
4599 x_connection_signal_dpyinfo
= x_connection_signal_dpyinfo
->next
;
4602 /* We should have found some closed connection. */
4606 /* A buffer for storing X error messages. */
4607 static char *x_caught_error_message
;
4608 #define X_CAUGHT_ERROR_MESSAGE_SIZE 200
4610 /* An X error handler which stores the error message in
4611 x_caught_error_message. This is what's installed when
4612 x_catch_errors is in effect. */
4615 x_error_catcher (display
, error
)
4619 XGetErrorText (display
, error
->error_code
,
4620 x_caught_error_message
, X_CAUGHT_ERROR_MESSAGE_SIZE
);
4624 /* Begin trapping X errors for display DPY. Actually we trap X errors
4625 for all displays, but DPY should be the display you are actually
4628 After calling this function, X protocol errors no longer cause
4629 Emacs to exit; instead, they are recorded in x_cfc_error_message.
4631 Calling x_check_errors signals an Emacs error if an X error has
4632 occurred since the last call to x_catch_errors or x_check_errors.
4634 Calling x_uncatch_errors resumes the normal error handling. */
4636 void x_catch_errors (), x_check_errors (), x_uncatch_errors ();
4639 x_catch_errors (dpy
)
4642 /* Make sure any errors from previous requests have been dealt with. */
4645 /* Set up the error buffer. */
4646 x_caught_error_message
4647 = (char*) xmalloc (X_CAUGHT_ERROR_MESSAGE_SIZE
);
4648 x_caught_error_message
[0] = '\0';
4650 /* Install our little error handler. */
4651 XSetErrorHandler (x_error_catcher
);
4654 /* If any X protocol errors have arrived since the last call to
4655 x_catch_errors or x_check_errors, signal an Emacs error using
4656 sprintf (a buffer, FORMAT, the x error message text) as the text. */
4659 x_check_errors (dpy
, format
)
4663 /* Make sure to catch any errors incurred so far. */
4666 if (x_caught_error_message
[0])
4668 char buf
[X_CAUGHT_ERROR_MESSAGE_SIZE
+ 56];
4670 sprintf (buf
, format
, x_caught_error_message
);
4671 x_uncatch_errors (dpy
);
4676 /* Nonzero if we had any X protocol errors since we did x_catch_errors. */
4679 x_had_errors_p (dpy
)
4682 /* Make sure to catch any errors incurred so far. */
4685 return x_caught_error_message
[0] != 0;
4688 /* Stop catching X protocol errors and let them make Emacs die. */
4691 x_uncatch_errors (dpy
)
4694 xfree (x_caught_error_message
);
4695 x_caught_error_message
= 0;
4696 XSetErrorHandler (x_error_quitter
);
4700 static unsigned int x_wire_count
;
4703 fprintf (stderr
, "Lib call: %d\n", ++x_wire_count
);
4708 /* Changing the font of the frame. */
4710 /* Give frame F the font named FONTNAME as its default font, and
4711 return the full name of that font. FONTNAME may be a wildcard
4712 pattern; in that case, we choose some font that fits the pattern.
4713 The return value shows which font we chose. */
4716 x_new_font (f
, fontname
)
4718 register char *fontname
;
4721 int n_matching_fonts
;
4722 XFontStruct
*font_info
;
4725 /* Get a list of all the fonts that match this name. Once we
4726 have a list of matching fonts, we compare them against the fonts
4727 we already have by comparing font ids. */
4728 font_names
= (char **) XListFonts (FRAME_X_DISPLAY (f
), fontname
,
4729 1024, &n_matching_fonts
);
4730 /* Apparently it doesn't set n_matching_fonts to zero when it can't
4731 find any matches; font_names == 0 is the only clue. */
4733 n_matching_fonts
= 0;
4735 /* Don't just give up if n_matching_fonts is 0.
4736 Apparently there's a bug on Suns: XListFontsWithInfo can
4737 fail to find a font, but XLoadQueryFont may still find it. */
4739 /* See if we've already loaded a matching font. */
4740 already_loaded
= -1;
4741 if (n_matching_fonts
!= 0)
4745 for (i
= 0; i
< FRAME_X_DISPLAY_INFO (f
)->n_fonts
; i
++)
4746 for (j
= 0; j
< n_matching_fonts
; j
++)
4747 if (!strcmp (FRAME_X_DISPLAY_INFO (f
)->font_table
[i
].name
, font_names
[j
])
4748 || !strcmp (FRAME_X_DISPLAY_INFO (f
)->font_table
[i
].full_name
, font_names
[j
]))
4751 fontname
= FRAME_X_DISPLAY_INFO (f
)->font_table
[i
].full_name
;
4757 /* If we have, just return it from the table. */
4758 if (already_loaded
>= 0)
4759 f
->output_data
.x
->font
= FRAME_X_DISPLAY_INFO (f
)->font_table
[already_loaded
].font
;
4760 /* Otherwise, load the font and add it to the table. */
4769 /* Try to find a character-cell font in the list. */
4771 /* A laudable goal, but this isn't how to do it. */
4772 for (i
= 0; i
< n_matching_fonts
; i
++)
4773 if (! font_info
[i
].per_char
)
4779 /* See comment above. */
4780 if (n_matching_fonts
!= 0)
4781 fontname
= font_names
[i
];
4783 font
= (XFontStruct
*) XLoadQueryFont (FRAME_X_DISPLAY (f
), fontname
);
4786 /* Free the information from XListFonts. */
4787 if (n_matching_fonts
)
4788 XFreeFontNames (font_names
);
4792 /* Do we need to create the table? */
4793 if (FRAME_X_DISPLAY_INFO (f
)->font_table_size
== 0)
4795 FRAME_X_DISPLAY_INFO (f
)->font_table_size
= 16;
4796 FRAME_X_DISPLAY_INFO (f
)->font_table
4797 = (struct font_info
*) xmalloc (FRAME_X_DISPLAY_INFO (f
)->font_table_size
4798 * sizeof (struct font_info
));
4800 /* Do we need to grow the table? */
4801 else if (FRAME_X_DISPLAY_INFO (f
)->n_fonts
4802 >= FRAME_X_DISPLAY_INFO (f
)->font_table_size
)
4804 FRAME_X_DISPLAY_INFO (f
)->font_table_size
*= 2;
4805 FRAME_X_DISPLAY_INFO (f
)->font_table
4806 = (struct font_info
*) xrealloc (FRAME_X_DISPLAY_INFO (f
)->font_table
,
4807 (FRAME_X_DISPLAY_INFO (f
)->font_table_size
4808 * sizeof (struct font_info
)));
4811 /* Try to get the full name of FONT. Put it in full_name. */
4813 FONT_atom
= XInternAtom (FRAME_X_DISPLAY (f
), "FONT", False
);
4814 for (i
= 0; i
< font
->n_properties
; i
++)
4816 if (FONT_atom
== font
->properties
[i
].name
)
4818 char *name
= XGetAtomName (FRAME_X_DISPLAY (f
),
4819 (Atom
) (font
->properties
[i
].card32
));
4823 /* Count the number of dashes in the "full name".
4824 If it is too few, this isn't really the font's full name,
4826 In X11R4, the fonts did not come with their canonical names
4842 n_fonts
= FRAME_X_DISPLAY_INFO (f
)->n_fonts
;
4843 FRAME_X_DISPLAY_INFO (f
)->font_table
[n_fonts
].name
= (char *) xmalloc (strlen (fontname
) + 1);
4844 bcopy (fontname
, FRAME_X_DISPLAY_INFO (f
)->font_table
[n_fonts
].name
, strlen (fontname
) + 1);
4846 FRAME_X_DISPLAY_INFO (f
)->font_table
[n_fonts
].full_name
= full_name
;
4848 FRAME_X_DISPLAY_INFO (f
)->font_table
[n_fonts
].full_name
= FRAME_X_DISPLAY_INFO (f
)->font_table
[n_fonts
].name
;
4849 f
->output_data
.x
->font
= FRAME_X_DISPLAY_INFO (f
)->font_table
[n_fonts
].font
= font
;
4850 FRAME_X_DISPLAY_INFO (f
)->n_fonts
++;
4853 fontname
= full_name
;
4856 /* Compute the scroll bar width in character columns. */
4857 if (f
->scroll_bar_pixel_width
> 0)
4859 int wid
= FONT_WIDTH (f
->output_data
.x
->font
);
4860 f
->scroll_bar_cols
= (f
->scroll_bar_pixel_width
+ wid
-1) / wid
;
4863 f
->scroll_bar_cols
= 2;
4865 /* Now make the frame display the given font. */
4866 if (FRAME_X_WINDOW (f
) != 0)
4868 XSetFont (FRAME_X_DISPLAY (f
), f
->output_data
.x
->normal_gc
,
4869 f
->output_data
.x
->font
->fid
);
4870 XSetFont (FRAME_X_DISPLAY (f
), f
->output_data
.x
->reverse_gc
,
4871 f
->output_data
.x
->font
->fid
);
4872 XSetFont (FRAME_X_DISPLAY (f
), f
->output_data
.x
->cursor_gc
,
4873 f
->output_data
.x
->font
->fid
);
4875 frame_update_line_height (f
);
4876 x_set_window_size (f
, 0, f
->width
, f
->height
);
4879 /* If we are setting a new frame's font for the first time,
4880 there are no faces yet, so this font's height is the line height. */
4881 f
->output_data
.x
->line_height
= FONT_HEIGHT (f
->output_data
.x
->font
);
4884 Lisp_Object lispy_name
;
4886 lispy_name
= build_string (fontname
);
4888 /* Free the information from XListFonts. The data
4889 we actually retain comes from XLoadQueryFont. */
4890 XFreeFontNames (font_names
);
4896 /* Calculate the absolute position in frame F
4897 from its current recorded position values and gravity. */
4899 x_calc_absolute_position (f
)
4903 int win_x
= 0, win_y
= 0;
4904 int flags
= f
->output_data
.x
->size_hint_flags
;
4907 #ifdef USE_X_TOOLKIT
4908 this_window
= XtWindow (f
->output_data
.x
->widget
);
4910 this_window
= FRAME_X_WINDOW (f
);
4913 /* Find the position of the outside upper-left corner of
4914 the inner window, with respect to the outer window. */
4915 if (f
->output_data
.x
->parent_desc
!= FRAME_X_DISPLAY_INFO (f
)->root_window
)
4918 XTranslateCoordinates (FRAME_X_DISPLAY (f
),
4920 /* From-window, to-window. */
4922 f
->output_data
.x
->parent_desc
,
4924 /* From-position, to-position. */
4925 0, 0, &win_x
, &win_y
,
4932 /* Treat negative positions as relative to the leftmost bottommost
4933 position that fits on the screen. */
4934 if (flags
& XNegative
)
4935 f
->output_data
.x
->left_pos
= (FRAME_X_DISPLAY_INFO (f
)->width
4936 - 2 * f
->output_data
.x
->border_width
- win_x
4938 + f
->output_data
.x
->left_pos
);
4940 if (flags
& YNegative
)
4941 /* We used to subtract f->output_data.x->menubar_height here
4942 in the toolkit case, but PIXEL_HEIGHT already includes that. */
4943 f
->output_data
.x
->top_pos
= (FRAME_X_DISPLAY_INFO (f
)->height
4944 - 2 * f
->output_data
.x
->border_width
- win_y
4946 + f
->output_data
.x
->top_pos
);
4948 /* The left_pos and top_pos
4949 are now relative to the top and left screen edges,
4950 so the flags should correspond. */
4951 f
->output_data
.x
->size_hint_flags
&= ~ (XNegative
| YNegative
);
4954 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
4955 to really change the position, and 0 when calling from
4956 x_make_frame_visible (in that case, XOFF and YOFF are the current
4957 position values). It is -1 when calling from x_set_frame_parameters,
4958 which means, do adjust for borders but don't change the gravity. */
4960 x_set_offset (f
, xoff
, yoff
, change_gravity
)
4962 register int xoff
, yoff
;
4965 int modified_top
, modified_left
;
4967 if (change_gravity
> 0)
4969 f
->output_data
.x
->top_pos
= yoff
;
4970 f
->output_data
.x
->left_pos
= xoff
;
4971 f
->output_data
.x
->size_hint_flags
&= ~ (XNegative
| YNegative
);
4973 f
->output_data
.x
->size_hint_flags
|= XNegative
;
4975 f
->output_data
.x
->size_hint_flags
|= YNegative
;
4976 f
->output_data
.x
->win_gravity
= NorthWestGravity
;
4978 x_calc_absolute_position (f
);
4981 x_wm_set_size_hint (f
, (long) 0, 0);
4983 /* It is a mystery why we need to add the border_width here
4984 when the frame is already visible, but experiment says we do. */
4985 modified_left
= f
->output_data
.x
->left_pos
;
4986 modified_top
= f
->output_data
.x
->top_pos
;
4987 if (change_gravity
!= 0)
4989 modified_left
+= f
->output_data
.x
->border_width
;
4990 modified_top
+= f
->output_data
.x
->border_width
;
4993 #ifdef USE_X_TOOLKIT
4994 XMoveWindow (FRAME_X_DISPLAY (f
), XtWindow (f
->output_data
.x
->widget
),
4995 modified_left
, modified_top
);
4996 #else /* not USE_X_TOOLKIT */
4997 XMoveWindow (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
4998 modified_left
, modified_top
);
4999 #endif /* not USE_X_TOOLKIT */
5003 /* Call this to change the size of frame F's x-window.
5004 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5005 for this size change and subsequent size changes.
5006 Otherwise we leave the window gravity unchanged. */
5008 x_set_window_size (f
, change_gravity
, cols
, rows
)
5013 int pixelwidth
, pixelheight
;
5016 struct x_display_info
*dpyinfo
= FRAME_X_DISPLAY_INFO (f
);
5020 #ifdef USE_X_TOOLKIT
5022 /* The x and y position of the widget is clobbered by the
5023 call to XtSetValues within EmacsFrameSetCharSize.
5024 This is a real kludge, but I don't understand Xt so I can't
5025 figure out a correct fix. Can anyone else tell me? -- rms. */
5026 int xpos
= f
->output_data
.x
->widget
->core
.x
;
5027 int ypos
= f
->output_data
.x
->widget
->core
.y
;
5028 EmacsFrameSetCharSize (f
->output_data
.x
->edit_widget
, cols
, rows
);
5029 f
->output_data
.x
->widget
->core
.x
= xpos
;
5030 f
->output_data
.x
->widget
->core
.y
= ypos
;
5033 #else /* not USE_X_TOOLKIT */
5035 check_frame_size (f
, &rows
, &cols
);
5036 f
->output_data
.x
->vertical_scroll_bar_extra
5037 = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f
)
5039 : FRAME_SCROLL_BAR_PIXEL_WIDTH (f
) > 0
5040 ? FRAME_SCROLL_BAR_PIXEL_WIDTH (f
)
5041 : (FRAME_SCROLL_BAR_COLS (f
) * FONT_WIDTH (f
->output_data
.x
->font
)));
5042 pixelwidth
= CHAR_TO_PIXEL_WIDTH (f
, cols
);
5043 pixelheight
= CHAR_TO_PIXEL_HEIGHT (f
, rows
);
5045 f
->output_data
.x
->win_gravity
= NorthWestGravity
;
5046 x_wm_set_size_hint (f
, (long) 0, 0);
5048 XSync (FRAME_X_DISPLAY (f
), False
);
5049 XResizeWindow (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
5050 pixelwidth
, pixelheight
);
5052 /* Now, strictly speaking, we can't be sure that this is accurate,
5053 but the window manager will get around to dealing with the size
5054 change request eventually, and we'll hear how it went when the
5055 ConfigureNotify event gets here.
5057 We could just not bother storing any of this information here,
5058 and let the ConfigureNotify event set everything up, but that
5059 might be kind of confusing to the lisp code, since size changes
5060 wouldn't be reported in the frame parameters until some random
5061 point in the future when the ConfigureNotify event arrives. */
5062 change_frame_size (f
, rows
, cols
, 0, 0);
5063 PIXEL_WIDTH (f
) = pixelwidth
;
5064 PIXEL_HEIGHT (f
) = pixelheight
;
5066 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5067 receive in the ConfigureNotify event; if we get what we asked
5068 for, then the event won't cause the screen to become garbaged, so
5069 we have to make sure to do it here. */
5070 SET_FRAME_GARBAGED (f
);
5072 XFlush (FRAME_X_DISPLAY (f
));
5074 #endif /* not USE_X_TOOLKIT */
5076 /* If cursor was outside the new size, mark it as off. */
5077 if (f
->phys_cursor_y
>= rows
5078 || f
->phys_cursor_x
>= cols
)
5080 f
->phys_cursor_x
= -1;
5081 f
->phys_cursor_y
= -1;
5084 /* Clear out any recollection of where the mouse highlighting was,
5085 since it might be in a place that's outside the new frame size.
5086 Actually checking whether it is outside is a pain in the neck,
5087 so don't try--just let the highlighting be done afresh with new size. */
5088 window
= dpyinfo
->mouse_face_window
;
5089 if (! NILP (window
) && XFRAME (window
) == f
)
5091 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
5092 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
5093 dpyinfo
->mouse_face_window
= Qnil
;
5099 /* Mouse warping. */
5102 x_set_mouse_position (f
, x
, y
)
5108 pix_x
= CHAR_TO_PIXEL_COL (f
, x
) + FONT_WIDTH (f
->output_data
.x
->font
) / 2;
5109 pix_y
= CHAR_TO_PIXEL_ROW (f
, y
) + f
->output_data
.x
->line_height
/ 2;
5111 if (pix_x
< 0) pix_x
= 0;
5112 if (pix_x
> PIXEL_WIDTH (f
)) pix_x
= PIXEL_WIDTH (f
);
5114 if (pix_y
< 0) pix_y
= 0;
5115 if (pix_y
> PIXEL_HEIGHT (f
)) pix_y
= PIXEL_HEIGHT (f
);
5119 XWarpPointer (FRAME_X_DISPLAY (f
), None
, FRAME_X_WINDOW (f
),
5120 0, 0, 0, 0, pix_x
, pix_y
);
5124 /* Move the mouse to position pixel PIX_X, PIX_Y relative to frame F. */
5127 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5133 XWarpPointer (FRAME_X_DISPLAY (f
), None
, FRAME_X_WINDOW (f
),
5134 0, 0, 0, 0, pix_x
, pix_y
);
5138 /* focus shifting, raising and lowering. */
5140 x_focus_on_frame (f
)
5143 #if 0 /* This proves to be unpleasant. */
5147 /* I don't think that the ICCCM allows programs to do things like this
5148 without the interaction of the window manager. Whatever you end up
5149 doing with this code, do it to x_unfocus_frame too. */
5150 XSetInputFocus (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
),
5151 RevertToPointerRoot
, CurrentTime
);
5159 /* Look at the remarks in x_focus_on_frame. */
5160 if (FRAME_X_DISPLAY_INFO (f
)->x_focus_frame
== f
)
5161 XSetInputFocus (FRAME_X_DISPLAY (f
), PointerRoot
,
5162 RevertToPointerRoot
, CurrentTime
);
5166 /* Raise frame F. */
5171 if (f
->async_visible
)
5174 #ifdef USE_X_TOOLKIT
5175 XRaiseWindow (FRAME_X_DISPLAY (f
), XtWindow (f
->output_data
.x
->widget
));
5176 #else /* not USE_X_TOOLKIT */
5177 XRaiseWindow (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
));
5178 #endif /* not USE_X_TOOLKIT */
5179 XFlush (FRAME_X_DISPLAY (f
));
5184 /* Lower frame F. */
5189 if (f
->async_visible
)
5192 #ifdef USE_X_TOOLKIT
5193 XLowerWindow (FRAME_X_DISPLAY (f
), XtWindow (f
->output_data
.x
->widget
));
5194 #else /* not USE_X_TOOLKIT */
5195 XLowerWindow (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
));
5196 #endif /* not USE_X_TOOLKIT */
5197 XFlush (FRAME_X_DISPLAY (f
));
5203 XTframe_raise_lower (f
, raise_flag
)
5213 /* Change of visibility. */
5215 /* This tries to wait until the frame is really visible.
5216 However, if the window manager asks the user where to position
5217 the frame, this will return before the user finishes doing that.
5218 The frame will not actually be visible at that time,
5219 but it will become visible later when the window manager
5220 finishes with it. */
5222 x_make_frame_visible (f
)
5230 type
= x_icon_type (f
);
5232 x_bitmap_icon (f
, type
);
5234 if (! FRAME_VISIBLE_P (f
))
5236 /* We test FRAME_GARBAGED_P here to make sure we don't
5237 call x_set_offset a second time
5238 if we get to x_make_frame_visible a second time
5239 before the window gets really visible. */
5240 if (! FRAME_ICONIFIED_P (f
)
5241 && ! f
->output_data
.x
->asked_for_visible
)
5242 x_set_offset (f
, f
->output_data
.x
->left_pos
, f
->output_data
.x
->top_pos
, 0);
5244 f
->output_data
.x
->asked_for_visible
= 1;
5246 if (! EQ (Vx_no_window_manager
, Qt
))
5247 x_wm_set_window_state (f
, NormalState
);
5248 #ifdef USE_X_TOOLKIT
5249 /* This was XtPopup, but that did nothing for an iconified frame. */
5250 XtMapWidget (f
->output_data
.x
->widget
);
5251 #else /* not USE_X_TOOLKIT */
5252 XMapRaised (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
));
5253 #endif /* not USE_X_TOOLKIT */
5254 #if 0 /* This seems to bring back scroll bars in the wrong places
5255 if the window configuration has changed. They seem
5256 to come back ok without this. */
5257 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
5258 XMapSubwindows (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
));
5262 XFlush (FRAME_X_DISPLAY (f
));
5264 /* Synchronize to ensure Emacs knows the frame is visible
5265 before we do anything else. We do this loop with input not blocked
5266 so that incoming events are handled. */
5269 int count
= input_signal_count
;
5271 /* This must come after we set COUNT. */
5274 XSETFRAME (frame
, f
);
5279 /* Once we have handled input events,
5280 we should have received the MapNotify if one is coming.
5281 So if we have not got it yet, stop looping.
5282 Some window managers make their own decisions
5283 about visibility. */
5284 if (input_signal_count
!= count
)
5286 /* Machines that do polling rather than SIGIO have been observed
5287 to go into a busy-wait here. So we'll fake an alarm signal
5288 to let the handler know that there's something to be read.
5289 We used to raise a real alarm, but it seems that the handler
5290 isn't always enabled here. This is probably a bug. */
5291 if (input_polling_used ())
5293 /* It could be confusing if a real alarm arrives while processing
5294 the fake one. Turn it off and let the handler reset it. */
5296 input_poll_signal ();
5298 /* Once we have handled input events,
5299 we should have received the MapNotify if one is coming.
5300 So if we have not got it yet, stop looping.
5301 Some window managers make their own decisions
5302 about visibility. */
5303 if (input_signal_count
!= count
)
5306 FRAME_SAMPLE_VISIBILITY (f
);
5310 /* Change from mapped state to withdrawn state. */
5312 /* Make the frame visible (mapped and not iconified). */
5314 x_make_frame_invisible (f
)
5320 #ifdef USE_X_TOOLKIT
5321 /* Use the frame's outermost window, not the one we normally draw on. */
5322 window
= XtWindow (f
->output_data
.x
->widget
);
5323 #else /* not USE_X_TOOLKIT */
5324 window
= FRAME_X_WINDOW (f
);
5325 #endif /* not USE_X_TOOLKIT */
5327 /* Don't keep the highlight on an invisible frame. */
5328 if (FRAME_X_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5329 FRAME_X_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5331 #if 0/* This might add unreliability; I don't trust it -- rms. */
5332 if (! f
->async_visible
&& ! f
->async_iconified
)
5338 /* Before unmapping the window, update the WM_SIZE_HINTS property to claim
5339 that the current position of the window is user-specified, rather than
5340 program-specified, so that when the window is mapped again, it will be
5341 placed at the same location, without forcing the user to position it
5342 by hand again (they have already done that once for this window.) */
5343 x_wm_set_size_hint (f
, (long) 0, 1);
5347 if (! XWithdrawWindow (FRAME_X_DISPLAY (f
), window
,
5348 DefaultScreen (FRAME_X_DISPLAY (f
))))
5350 UNBLOCK_INPUT_RESIGNAL
;
5351 error ("Can't notify window manager of window withdrawal");
5353 #else /* ! defined (HAVE_X11R4) */
5355 /* Tell the window manager what we're going to do. */
5356 if (! EQ (Vx_no_window_manager
, Qt
))
5360 unmap
.xunmap
.type
= UnmapNotify
;
5361 unmap
.xunmap
.window
= window
;
5362 unmap
.xunmap
.event
= DefaultRootWindow (FRAME_X_DISPLAY (f
));
5363 unmap
.xunmap
.from_configure
= False
;
5364 if (! XSendEvent (FRAME_X_DISPLAY (f
),
5365 DefaultRootWindow (FRAME_X_DISPLAY (f
)),
5367 SubstructureRedirectMask
|SubstructureNotifyMask
,
5370 UNBLOCK_INPUT_RESIGNAL
;
5371 error ("Can't notify window manager of withdrawal");
5375 /* Unmap the window ourselves. Cheeky! */
5376 XUnmapWindow (FRAME_X_DISPLAY (f
), window
);
5377 #endif /* ! defined (HAVE_X11R4) */
5379 /* We can't distinguish this from iconification
5380 just by the event that we get from the server.
5381 So we can't win using the usual strategy of letting
5382 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5383 and synchronize with the server to make sure we agree. */
5385 FRAME_ICONIFIED_P (f
) = 0;
5386 f
->async_visible
= 0;
5387 f
->async_iconified
= 0;
5394 /* Change window state from mapped to iconified. */
5403 /* Don't keep the highlight on an invisible frame. */
5404 if (FRAME_X_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5405 FRAME_X_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5407 if (f
->async_iconified
)
5412 FRAME_SAMPLE_VISIBILITY (f
);
5414 type
= x_icon_type (f
);
5416 x_bitmap_icon (f
, type
);
5418 #ifdef USE_X_TOOLKIT
5420 if (! FRAME_VISIBLE_P (f
))
5422 if (! EQ (Vx_no_window_manager
, Qt
))
5423 x_wm_set_window_state (f
, IconicState
);
5424 /* This was XtPopup, but that did nothing for an iconified frame. */
5425 XtMapWidget (f
->output_data
.x
->widget
);
5430 result
= XIconifyWindow (FRAME_X_DISPLAY (f
),
5431 XtWindow (f
->output_data
.x
->widget
),
5432 DefaultScreen (FRAME_X_DISPLAY (f
)));
5436 error ("Can't notify window manager of iconification");
5438 f
->async_iconified
= 1;
5441 XFlush (FRAME_X_DISPLAY (f
));
5443 #else /* not USE_X_TOOLKIT */
5445 /* Make sure the X server knows where the window should be positioned,
5446 in case the user deiconifies with the window manager. */
5447 if (! FRAME_VISIBLE_P (f
) && !FRAME_ICONIFIED_P (f
))
5448 x_set_offset (f
, f
->output_data
.x
->left_pos
, f
->output_data
.x
->top_pos
, 0);
5450 /* Since we don't know which revision of X we're running, we'll use both
5451 the X11R3 and X11R4 techniques. I don't know if this is a good idea. */
5453 /* X11R4: send a ClientMessage to the window manager using the
5454 WM_CHANGE_STATE type. */
5458 message
.xclient
.window
= FRAME_X_WINDOW (f
);
5459 message
.xclient
.type
= ClientMessage
;
5460 message
.xclient
.message_type
= FRAME_X_DISPLAY_INFO (f
)->Xatom_wm_change_state
;
5461 message
.xclient
.format
= 32;
5462 message
.xclient
.data
.l
[0] = IconicState
;
5464 if (! XSendEvent (FRAME_X_DISPLAY (f
),
5465 DefaultRootWindow (FRAME_X_DISPLAY (f
)),
5467 SubstructureRedirectMask
| SubstructureNotifyMask
,
5470 UNBLOCK_INPUT_RESIGNAL
;
5471 error ("Can't notify window manager of iconification");
5475 /* X11R3: set the initial_state field of the window manager hints to
5477 x_wm_set_window_state (f
, IconicState
);
5479 if (!FRAME_VISIBLE_P (f
))
5481 /* If the frame was withdrawn, before, we must map it. */
5482 XMapRaised (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
));
5485 f
->async_iconified
= 1;
5487 XFlush (FRAME_X_DISPLAY (f
));
5489 #endif /* not USE_X_TOOLKIT */
5492 /* Destroy the X window of frame F. */
5494 x_destroy_window (f
)
5497 struct x_display_info
*dpyinfo
= FRAME_X_DISPLAY_INFO (f
);
5501 /* If a display connection is dead, don't try sending more
5502 commands to the X server. */
5503 if (dpyinfo
->display
!= 0)
5505 if (f
->output_data
.x
->icon_desc
!= 0)
5506 XDestroyWindow (FRAME_X_DISPLAY (f
), f
->output_data
.x
->icon_desc
);
5510 XDestroyIC (FRAME_XIC (f
));
5511 #if ! defined (SOLARIS2) || defined (HAVE_X11R6)
5512 /* This line causes crashes on Solaris with Openwin,
5513 due to an apparent bug in XCloseIM.
5514 X11R6 seems not to have the bug. */
5515 XCloseIM (FRAME_XIM (f
));
5519 XDestroyWindow (FRAME_X_DISPLAY (f
), f
->output_data
.x
->window_desc
);
5520 #ifdef USE_X_TOOLKIT
5521 XtDestroyWidget (f
->output_data
.x
->widget
);
5522 free_frame_menubar (f
);
5523 #endif /* USE_X_TOOLKIT */
5525 free_frame_faces (f
);
5526 XFlush (FRAME_X_DISPLAY (f
));
5529 xfree (f
->output_data
.x
);
5530 f
->output_data
.x
= 0;
5531 if (f
== dpyinfo
->x_focus_frame
)
5532 dpyinfo
->x_focus_frame
= 0;
5533 if (f
== dpyinfo
->x_focus_event_frame
)
5534 dpyinfo
->x_focus_event_frame
= 0;
5535 if (f
== dpyinfo
->x_highlight_frame
)
5536 dpyinfo
->x_highlight_frame
= 0;
5538 dpyinfo
->reference_count
--;
5540 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5542 dpyinfo
->mouse_face_beg_row
5543 = dpyinfo
->mouse_face_beg_col
= -1;
5544 dpyinfo
->mouse_face_end_row
5545 = dpyinfo
->mouse_face_end_col
= -1;
5546 dpyinfo
->mouse_face_window
= Qnil
;
5552 /* Setting window manager hints. */
5554 /* Set the normal size hints for the window manager, for frame F.
5555 FLAGS is the flags word to use--or 0 meaning preserve the flags
5556 that the window now has.
5557 If USER_POSITION is nonzero, we set the USPosition
5558 flag (this is useful when FLAGS is 0). */
5560 x_wm_set_size_hint (f
, flags
, user_position
)
5565 XSizeHints size_hints
;
5567 #ifdef USE_X_TOOLKIT
5570 Dimension widget_width
, widget_height
;
5571 Window window
= XtWindow (f
->output_data
.x
->widget
);
5572 #else /* not USE_X_TOOLKIT */
5573 Window window
= FRAME_X_WINDOW (f
);
5574 #endif /* not USE_X_TOOLKIT */
5576 /* Setting PMaxSize caused various problems. */
5577 size_hints
.flags
= PResizeInc
| PMinSize
/* | PMaxSize */;
5579 flexlines
= f
->height
;
5581 size_hints
.x
= f
->output_data
.x
->left_pos
;
5582 size_hints
.y
= f
->output_data
.x
->top_pos
;
5584 #ifdef USE_X_TOOLKIT
5585 XtSetArg (al
[ac
], XtNwidth
, &widget_width
); ac
++;
5586 XtSetArg (al
[ac
], XtNheight
, &widget_height
); ac
++;
5587 XtGetValues (f
->output_data
.x
->widget
, al
, ac
);
5588 size_hints
.height
= widget_height
;
5589 size_hints
.width
= widget_width
;
5590 #else /* not USE_X_TOOLKIT */
5591 size_hints
.height
= PIXEL_HEIGHT (f
);
5592 size_hints
.width
= PIXEL_WIDTH (f
);
5593 #endif /* not USE_X_TOOLKIT */
5595 size_hints
.width_inc
= FONT_WIDTH (f
->output_data
.x
->font
);
5596 size_hints
.height_inc
= f
->output_data
.x
->line_height
;
5597 size_hints
.max_width
5598 = FRAME_X_DISPLAY_INFO (f
)->width
- CHAR_TO_PIXEL_WIDTH (f
, 0);
5599 size_hints
.max_height
5600 = FRAME_X_DISPLAY_INFO (f
)->height
- CHAR_TO_PIXEL_HEIGHT (f
, 0);
5602 /* Calculate the base and minimum sizes.
5604 (When we use the X toolkit, we don't do it here.
5605 Instead we copy the values that the widgets are using, below.) */
5606 #ifndef USE_X_TOOLKIT
5608 int base_width
, base_height
;
5609 int min_rows
= 0, min_cols
= 0;
5611 base_width
= CHAR_TO_PIXEL_WIDTH (f
, 0);
5612 base_height
= CHAR_TO_PIXEL_HEIGHT (f
, 0);
5614 check_frame_size (f
, &min_rows
, &min_cols
);
5616 /* The window manager uses the base width hints to calculate the
5617 current number of rows and columns in the frame while
5618 resizing; min_width and min_height aren't useful for this
5619 purpose, since they might not give the dimensions for a
5620 zero-row, zero-column frame.
5622 We use the base_width and base_height members if we have
5623 them; otherwise, we set the min_width and min_height members
5624 to the size for a zero x zero frame. */
5627 size_hints
.flags
|= PBaseSize
;
5628 size_hints
.base_width
= base_width
;
5629 size_hints
.base_height
= base_height
;
5630 size_hints
.min_width
= base_width
+ min_cols
* size_hints
.width_inc
;
5631 size_hints
.min_height
= base_height
+ min_rows
* size_hints
.height_inc
;
5633 size_hints
.min_width
= base_width
;
5634 size_hints
.min_height
= base_height
;
5638 /* If we don't need the old flags, we don't need the old hint at all. */
5641 size_hints
.flags
|= flags
;
5644 #endif /* not USE_X_TOOLKIT */
5647 XSizeHints hints
; /* Sometimes I hate X Windows... */
5648 long supplied_return
;
5652 value
= XGetWMNormalHints (FRAME_X_DISPLAY (f
), window
, &hints
,
5655 value
= XGetNormalHints (FRAME_X_DISPLAY (f
), window
, &hints
);
5658 #ifdef USE_X_TOOLKIT
5659 size_hints
.base_height
= hints
.base_height
;
5660 size_hints
.base_width
= hints
.base_width
;
5661 size_hints
.min_height
= hints
.min_height
;
5662 size_hints
.min_width
= hints
.min_width
;
5666 size_hints
.flags
|= flags
;
5671 if (hints
.flags
& PSize
)
5672 size_hints
.flags
|= PSize
;
5673 if (hints
.flags
& PPosition
)
5674 size_hints
.flags
|= PPosition
;
5675 if (hints
.flags
& USPosition
)
5676 size_hints
.flags
|= USPosition
;
5677 if (hints
.flags
& USSize
)
5678 size_hints
.flags
|= USSize
;
5685 size_hints
.win_gravity
= f
->output_data
.x
->win_gravity
;
5686 size_hints
.flags
|= PWinGravity
;
5690 size_hints
.flags
&= ~ PPosition
;
5691 size_hints
.flags
|= USPosition
;
5693 #endif /* PWinGravity */
5696 XSetWMNormalHints (FRAME_X_DISPLAY (f
), window
, &size_hints
);
5698 XSetNormalHints (FRAME_X_DISPLAY (f
), window
, &size_hints
);
5702 /* Used for IconicState or NormalState */
5703 x_wm_set_window_state (f
, state
)
5707 #ifdef USE_X_TOOLKIT
5710 XtSetArg (al
[0], XtNinitialState
, state
);
5711 XtSetValues (f
->output_data
.x
->widget
, al
, 1);
5712 #else /* not USE_X_TOOLKIT */
5713 Window window
= FRAME_X_WINDOW (f
);
5715 f
->output_data
.x
->wm_hints
.flags
|= StateHint
;
5716 f
->output_data
.x
->wm_hints
.initial_state
= state
;
5718 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->output_data
.x
->wm_hints
);
5719 #endif /* not USE_X_TOOLKIT */
5722 x_wm_set_icon_pixmap (f
, pixmap_id
)
5726 #ifdef USE_X_TOOLKIT
5727 Window window
= XtWindow (f
->output_data
.x
->widget
);
5729 Window window
= FRAME_X_WINDOW (f
);
5734 Pixmap icon_pixmap
= x_bitmap_pixmap (f
, pixmap_id
);
5735 f
->output_data
.x
->wm_hints
.icon_pixmap
= icon_pixmap
;
5739 /* It seems there is no way to turn off use of an icon pixmap.
5740 The following line does it, only if no icon has yet been created,
5741 for some window managers. But with mwm it crashes.
5742 Some people say it should clear the IconPixmapHint bit in this case,
5743 but that doesn't work, and the X consortium said it isn't the
5744 right thing at all. Since there is no way to win,
5745 best to explicitly give up. */
5747 f
->output_data
.x
->wm_hints
.icon_pixmap
= None
;
5753 f
->output_data
.x
->wm_hints
.flags
|= IconPixmapHint
;
5754 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->output_data
.x
->wm_hints
);
5757 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5761 #ifdef USE_X_TOOLKIT
5762 Window window
= XtWindow (f
->output_data
.x
->widget
);
5764 Window window
= FRAME_X_WINDOW (f
);
5767 f
->output_data
.x
->wm_hints
.flags
|= IconPositionHint
;
5768 f
->output_data
.x
->wm_hints
.icon_x
= icon_x
;
5769 f
->output_data
.x
->wm_hints
.icon_y
= icon_y
;
5771 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->output_data
.x
->wm_hints
);
5775 /* Initialization. */
5777 #ifdef USE_X_TOOLKIT
5778 static XrmOptionDescRec emacs_options
[] = {
5779 {"-geometry", ".geometry", XrmoptionSepArg
, NULL
},
5780 {"-iconic", ".iconic", XrmoptionNoArg
, (XtPointer
) "yes"},
5782 {"-internal-border-width", "*EmacsScreen.internalBorderWidth",
5783 XrmoptionSepArg
, NULL
},
5784 {"-ib", "*EmacsScreen.internalBorderWidth", XrmoptionSepArg
, NULL
},
5786 {"-T", "*EmacsShell.title", XrmoptionSepArg
, (XtPointer
) NULL
},
5787 {"-wn", "*EmacsShell.title", XrmoptionSepArg
, (XtPointer
) NULL
},
5788 {"-title", "*EmacsShell.title", XrmoptionSepArg
, (XtPointer
) NULL
},
5789 {"-iconname", "*EmacsShell.iconName", XrmoptionSepArg
, (XtPointer
) NULL
},
5790 {"-in", "*EmacsShell.iconName", XrmoptionSepArg
, (XtPointer
) NULL
},
5791 {"-mc", "*pointerColor", XrmoptionSepArg
, (XtPointer
) NULL
},
5792 {"-cr", "*cursorColor", XrmoptionSepArg
, (XtPointer
) NULL
}
5794 #endif /* USE_X_TOOLKIT */
5796 static int x_initialized
;
5799 /* Test whether two display-name strings agree up to the dot that separates
5800 the screen number from the server number. */
5802 same_x_server (name1
, name2
)
5803 char *name1
, *name2
;
5806 for (; *name1
!= '\0' && *name1
== *name2
; name1
++, name2
++)
5810 if (seen_colon
&& *name1
== '.')
5814 && (*name1
== '.' || *name1
== '\0')
5815 && (*name2
== '.' || *name2
== '\0'));
5819 struct x_display_info
*
5820 x_term_init (display_name
, xrm_option
, resource_name
)
5821 Lisp_Object display_name
;
5823 char *resource_name
;
5829 struct x_display_info
*dpyinfo
;
5841 setlocale (LC_ALL
, "");
5842 /* In case we just overrode what init_lread did, redo it. */
5843 setlocale (LC_NUMERIC
, "C");
5844 setlocale (LC_TIME
, "C");
5847 #ifdef USE_X_TOOLKIT
5848 /* weiner@footloose.sps.mot.com reports that this causes
5850 X protocol error: BadAtom (invalid Atom parameter)
5851 on protocol request 18skiloaf.
5852 So let's not use it until R6. */
5854 XtSetLanguageProc (NULL
, NULL
, NULL
);
5865 argv
[argc
++] = "-xrm";
5866 argv
[argc
++] = xrm_option
;
5868 dpy
= XtOpenDisplay (Xt_app_con
, XSTRING (display_name
)->data
,
5869 resource_name
, EMACS_CLASS
,
5870 emacs_options
, XtNumber (emacs_options
),
5874 /* I think this is to compensate for XtSetLanguageProc. */
5875 setlocale (LC_NUMERIC
, "C");
5876 setlocale (LC_TIME
, "C");
5880 #else /* not USE_X_TOOLKIT */
5882 XSetLocaleModifiers ("");
5884 dpy
= XOpenDisplay (XSTRING (display_name
)->data
);
5885 #endif /* not USE_X_TOOLKIT */
5887 /* Detect failure. */
5894 /* We have definitely succeeded. Record the new connection. */
5896 dpyinfo
= (struct x_display_info
*) xmalloc (sizeof (struct x_display_info
));
5900 struct x_display_info
*share
;
5903 for (share
= x_display_list
, tail
= x_display_name_list
; share
;
5904 share
= share
->next
, tail
= XCONS (tail
)->cdr
)
5905 if (same_x_server (XSTRING (XCONS (XCONS (tail
)->car
)->car
)->data
,
5906 XSTRING (display_name
)->data
))
5909 dpyinfo
->kboard
= share
->kboard
;
5912 dpyinfo
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
5913 init_kboard (dpyinfo
->kboard
);
5914 if (!EQ (XSYMBOL (Qvendor_specific_keysyms
)->function
, Qunbound
))
5916 char *vendor
= ServerVendor (dpy
);
5917 dpyinfo
->kboard
->Vsystem_key_alist
5918 = call1 (Qvendor_specific_keysyms
,
5919 build_string (vendor
? vendor
: ""));
5922 dpyinfo
->kboard
->next_kboard
= all_kboards
;
5923 all_kboards
= dpyinfo
->kboard
;
5924 /* Don't let the initial kboard remain current longer than necessary.
5925 That would cause problems if a file loaded on startup tries to
5926 prompt in the minibuffer. */
5927 if (current_kboard
== initial_kboard
)
5928 current_kboard
= dpyinfo
->kboard
;
5930 dpyinfo
->kboard
->reference_count
++;
5934 /* Put this display on the chain. */
5935 dpyinfo
->next
= x_display_list
;
5936 x_display_list
= dpyinfo
;
5938 /* Put it on x_display_name_list as well, to keep them parallel. */
5939 x_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
5940 x_display_name_list
);
5941 dpyinfo
->name_list_element
= XCONS (x_display_name_list
)->car
;
5943 dpyinfo
->display
= dpy
;
5946 XSetAfterFunction (x_current_display
, x_trace_wire
);
5950 = (char *) xmalloc (XSTRING (Vinvocation_name
)->size
5951 + XSTRING (Vsystem_name
)->size
5953 sprintf (dpyinfo
->x_id_name
, "%s@%s",
5954 XSTRING (Vinvocation_name
)->data
, XSTRING (Vsystem_name
)->data
);
5956 /* Figure out which modifier bits mean what. */
5957 x_find_modifier_meanings (dpyinfo
);
5959 /* Get the scroll bar cursor. */
5960 dpyinfo
->vertical_scroll_bar_cursor
5961 = XCreateFontCursor (dpyinfo
->display
, XC_sb_v_double_arrow
);
5963 xrdb
= x_load_resources (dpyinfo
->display
, xrm_option
,
5964 resource_name
, EMACS_CLASS
);
5965 #ifdef HAVE_XRMSETDATABASE
5966 XrmSetDatabase (dpyinfo
->display
, xrdb
);
5968 dpyinfo
->display
->db
= xrdb
;
5970 /* Put the rdb where we can find it in a way that works on
5972 dpyinfo
->xrdb
= xrdb
;
5974 dpyinfo
->screen
= ScreenOfDisplay (dpyinfo
->display
,
5975 DefaultScreen (dpyinfo
->display
));
5976 dpyinfo
->visual
= select_visual (dpyinfo
->display
, dpyinfo
->screen
,
5977 &dpyinfo
->n_planes
);
5978 dpyinfo
->height
= HeightOfScreen (dpyinfo
->screen
);
5979 dpyinfo
->width
= WidthOfScreen (dpyinfo
->screen
);
5980 dpyinfo
->root_window
= RootWindowOfScreen (dpyinfo
->screen
);
5981 dpyinfo
->grabbed
= 0;
5982 dpyinfo
->reference_count
= 0;
5983 dpyinfo
->icon_bitmap_id
= -1;
5984 dpyinfo
->n_fonts
= 0;
5985 dpyinfo
->font_table_size
= 0;
5986 dpyinfo
->bitmaps
= 0;
5987 dpyinfo
->bitmaps_size
= 0;
5988 dpyinfo
->bitmaps_last
= 0;
5989 dpyinfo
->scratch_cursor_gc
= 0;
5990 dpyinfo
->mouse_face_mouse_frame
= 0;
5991 dpyinfo
->mouse_face_deferred_gc
= 0;
5992 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
5993 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
5994 dpyinfo
->mouse_face_face_id
= 0;
5995 dpyinfo
->mouse_face_window
= Qnil
;
5996 dpyinfo
->mouse_face_mouse_x
= dpyinfo
->mouse_face_mouse_y
= 0;
5997 dpyinfo
->mouse_face_defer
= 0;
5998 dpyinfo
->x_focus_frame
= 0;
5999 dpyinfo
->x_focus_event_frame
= 0;
6000 dpyinfo
->x_highlight_frame
= 0;
6002 dpyinfo
->Xatom_wm_protocols
6003 = XInternAtom (dpyinfo
->display
, "WM_PROTOCOLS", False
);
6004 dpyinfo
->Xatom_wm_take_focus
6005 = XInternAtom (dpyinfo
->display
, "WM_TAKE_FOCUS", False
);
6006 dpyinfo
->Xatom_wm_save_yourself
6007 = XInternAtom (dpyinfo
->display
, "WM_SAVE_YOURSELF", False
);
6008 dpyinfo
->Xatom_wm_delete_window
6009 = XInternAtom (dpyinfo
->display
, "WM_DELETE_WINDOW", False
);
6010 dpyinfo
->Xatom_wm_change_state
6011 = XInternAtom (dpyinfo
->display
, "WM_CHANGE_STATE", False
);
6012 dpyinfo
->Xatom_wm_configure_denied
6013 = XInternAtom (dpyinfo
->display
, "WM_CONFIGURE_DENIED", False
);
6014 dpyinfo
->Xatom_wm_window_moved
6015 = XInternAtom (dpyinfo
->display
, "WM_MOVED", False
);
6016 dpyinfo
->Xatom_editres
6017 = XInternAtom (dpyinfo
->display
, "Editres", False
);
6018 dpyinfo
->Xatom_CLIPBOARD
6019 = XInternAtom (dpyinfo
->display
, "CLIPBOARD", False
);
6020 dpyinfo
->Xatom_TIMESTAMP
6021 = XInternAtom (dpyinfo
->display
, "TIMESTAMP", False
);
6023 = XInternAtom (dpyinfo
->display
, "TEXT", False
);
6024 dpyinfo
->Xatom_DELETE
6025 = XInternAtom (dpyinfo
->display
, "DELETE", False
);
6026 dpyinfo
->Xatom_MULTIPLE
6027 = XInternAtom (dpyinfo
->display
, "MULTIPLE", False
);
6029 = XInternAtom (dpyinfo
->display
, "INCR", False
);
6030 dpyinfo
->Xatom_EMACS_TMP
6031 = XInternAtom (dpyinfo
->display
, "_EMACS_TMP_", False
);
6032 dpyinfo
->Xatom_TARGETS
6033 = XInternAtom (dpyinfo
->display
, "TARGETS", False
);
6035 = XInternAtom (dpyinfo
->display
, "NULL", False
);
6036 dpyinfo
->Xatom_ATOM_PAIR
6037 = XInternAtom (dpyinfo
->display
, "ATOM_PAIR", False
);
6039 dpyinfo
->cut_buffers_initialized
= 0;
6041 connection
= ConnectionNumber (dpyinfo
->display
);
6042 dpyinfo
->connection
= connection
;
6045 /* This is only needed for distinguishing keyboard and process input. */
6046 if (connection
!= 0)
6047 add_keyboard_wait_descriptor (connection
);
6050 #ifndef F_SETOWN_BUG
6052 #ifdef F_SETOWN_SOCK_NEG
6053 /* stdin is a socket here */
6054 fcntl (connection
, F_SETOWN
, -getpid ());
6055 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6056 fcntl (connection
, F_SETOWN
, getpid ());
6057 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6058 #endif /* ! defined (F_SETOWN) */
6059 #endif /* F_SETOWN_BUG */
6062 if (interrupt_input
)
6063 init_sigio (connection
);
6064 #endif /* ! defined (SIGIO) */
6071 /* Get rid of display DPYINFO, assuming all frames are already gone,
6072 and without sending any more commands to the X server. */
6075 x_delete_display (dpyinfo
)
6076 struct x_display_info
*dpyinfo
;
6078 delete_keyboard_wait_descriptor (dpyinfo
->connection
);
6080 /* Discard this display from x_display_name_list and x_display_list.
6081 We can't use Fdelq because that can quit. */
6082 if (! NILP (x_display_name_list
)
6083 && EQ (XCONS (x_display_name_list
)->car
, dpyinfo
->name_list_element
))
6084 x_display_name_list
= XCONS (x_display_name_list
)->cdr
;
6089 tail
= x_display_name_list
;
6090 while (CONSP (tail
) && CONSP (XCONS (tail
)->cdr
))
6092 if (EQ (XCONS (XCONS (tail
)->cdr
)->car
,
6093 dpyinfo
->name_list_element
))
6095 XCONS (tail
)->cdr
= XCONS (XCONS (tail
)->cdr
)->cdr
;
6098 tail
= XCONS (tail
)->cdr
;
6102 if (x_display_list
== dpyinfo
)
6103 x_display_list
= dpyinfo
->next
;
6106 struct x_display_info
*tail
;
6108 for (tail
= x_display_list
; tail
; tail
= tail
->next
)
6109 if (tail
->next
== dpyinfo
)
6110 tail
->next
= tail
->next
->next
;
6113 #ifndef USE_X_TOOLKIT /* I'm told Xt does this itself. */
6114 #ifndef AIX /* On AIX, XCloseDisplay calls this. */
6115 XrmDestroyDatabase (dpyinfo
->xrdb
);
6119 if (--dpyinfo
->kboard
->reference_count
== 0)
6120 delete_kboard (dpyinfo
->kboard
);
6122 xfree (dpyinfo
->font_table
);
6123 xfree (dpyinfo
->x_id_name
);
6127 /* Set up use of X before we make the first connection. */
6131 clear_frame_hook
= XTclear_frame
;
6132 clear_end_of_line_hook
= XTclear_end_of_line
;
6133 ins_del_lines_hook
= XTins_del_lines
;
6134 change_line_highlight_hook
= XTchange_line_highlight
;
6135 insert_glyphs_hook
= XTinsert_glyphs
;
6136 write_glyphs_hook
= XTwrite_glyphs
;
6137 delete_glyphs_hook
= XTdelete_glyphs
;
6138 ring_bell_hook
= XTring_bell
;
6139 reset_terminal_modes_hook
= XTreset_terminal_modes
;
6140 set_terminal_modes_hook
= XTset_terminal_modes
;
6141 update_begin_hook
= XTupdate_begin
;
6142 update_end_hook
= XTupdate_end
;
6143 set_terminal_window_hook
= XTset_terminal_window
;
6144 read_socket_hook
= XTread_socket
;
6145 frame_up_to_date_hook
= XTframe_up_to_date
;
6146 cursor_to_hook
= XTcursor_to
;
6147 reassert_line_highlight_hook
= XTreassert_line_highlight
;
6148 mouse_position_hook
= XTmouse_position
;
6149 frame_rehighlight_hook
= XTframe_rehighlight
;
6150 frame_raise_lower_hook
= XTframe_raise_lower
;
6151 set_vertical_scroll_bar_hook
= XTset_vertical_scroll_bar
;
6152 condemn_scroll_bars_hook
= XTcondemn_scroll_bars
;
6153 redeem_scroll_bar_hook
= XTredeem_scroll_bar
;
6154 judge_scroll_bars_hook
= XTjudge_scroll_bars
;
6156 scroll_region_ok
= 1; /* we'll scroll partial frames */
6157 char_ins_del_ok
= 0; /* just as fast to write the line */
6158 line_ins_del_ok
= 1; /* we'll just blt 'em */
6159 fast_clear_end_of_line
= 1; /* X does this well */
6160 memory_below_frame
= 0; /* we don't remember what scrolls
6166 /* Try to use interrupt input; if we can't, then start polling. */
6167 Fset_input_mode (Qt
, Qnil
, Qt
, Qnil
);
6169 #ifdef USE_X_TOOLKIT
6170 XtToolkitInitialize ();
6171 Xt_app_con
= XtCreateApplicationContext ();
6172 XtAppSetFallbackResources (Xt_app_con
, Xt_default_resources
);
6175 /* Note that there is no real way portable across R3/R4 to get the
6176 original error handler. */
6177 XSetErrorHandler (x_error_quitter
);
6178 XSetIOErrorHandler (x_io_error_quitter
);
6180 /* Disable Window Change signals; they are handled by X events. */
6182 signal (SIGWINCH
, SIG_DFL
);
6183 #endif /* ! defined (SIGWINCH) */
6185 signal (SIGPIPE
, x_connection_signal
);
6191 staticpro (&x_display_name_list
);
6192 x_display_name_list
= Qnil
;
6194 staticpro (&last_mouse_scroll_bar
);
6195 last_mouse_scroll_bar
= Qnil
;
6197 staticpro (&Qvendor_specific_keysyms
);
6198 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6201 /* Avoid warnings or errors from including Xlibint.h.
6202 We don't need these functions for the rest of this file. */
6209 #ifdef X_CONNECTION_LOCK_FLAG
6210 #define free loserfree
6211 #define malloc losermalloc
6212 #define exit loserexit
6213 #define abort loserabort
6214 /* For XlibDisplayWriting */
6215 #include <X11/Xlibint.h>
6218 /* Check whether display connection DPYINFO is hung
6219 because its thread-interlock is locked.
6220 If it is, close the connection.
6221 Do nothing if this system does not have a thread interlock. */
6223 x_connection_close_if_hung (dpyinfo
)
6224 struct x_display_info
*dpyinfo
;
6226 /* This tests (1) whether X_CONNECTION_LOCK_FLAG is defined at all,
6227 and (2) whether the name it is defined as is itself defined.
6228 (It ought to have been defined by Xlibint.h. */
6229 #if X_CONNECTION_LOCK_FLAG
6231 if (dpyinfo
->display
->flags
& X_CONNECTION_LOCK_FLAG
)
6233 /* If the thread-interlock is locked, assume this connection is dead.
6234 This assumes that the library does not make other threads
6235 that can be locking the display legitimately. */
6237 dpyinfo
->display
->flags
&= ~X_CONNECTION_LOCK_FLAG
;
6238 x_connection_closed (dpyinfo
->display
, "connection was lost");
6240 #endif /* X_CONNECTION_LOCK_FLAG */
6243 /* Don't put any additional functions here! */
6245 #endif /* not HAVE_X_WINDOWS */