1 /* X Communication module for terminals which understand the X protocol.
2 Copyright (C) 1989, 1992 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
22 Kludge: dup2 is used to put the X-connection socket into desc # 0
23 so that wait_reading_process_input will wait for it in place of
24 actual terminal input.
34 /* On 4.3 this loses if it comes after xterm.h. */
37 /* This may include sys/types.h, and that somehow loses
38 if this is not done before the other system files. */
41 /* Load sys/types.h if not already loaded.
42 In some systems loading it twice is suicidal. */
44 #include <sys/types.h>
48 #include <sys/ioctl.h>
51 #include <sys/termio.h>
55 /* Allow m- file to inhibit use of FIONREAD. */
56 #ifdef BROKEN_FIONREAD
60 /* We are unable to use interrupts if FIONREAD is not available,
61 so flush SIGIO so we won't try. */
76 #include <sys/param.h>
78 #include "dispextern.h"
79 #include "termhooks.h"
92 #define XMapWindow XMapRaised /* Raise them when mapping. */
94 #include <X/Xkeyboard.h>
95 /*#include <X/Xproto.h> */
98 /* For sending Meta-characters. Do we need this? */
101 #define min(a,b) ((a)<(b) ? (a) : (b))
102 #define max(a,b) ((a)>(b) ? (a) : (b))
104 /* Nonzero means we must reprint all windows
105 because 1) we received an ExposeWindow event
106 or 2) we received too many ExposeRegion events to record. */
108 static int expose_all_windows
;
110 /* Nonzero means we must reprint all icon windows. */
112 static int expose_all_icons
;
115 /* ExposeRegion events, when received, are copied into this queue
116 for later processing. */
118 static struct event_queue x_expose_queue
;
120 /* ButtonPressed and ButtonReleased events, when received,
121 are copied into this queue for later processing. */
123 struct event_queue x_mouse_queue
;
126 /* Nonzero after BLOCK_INPUT; prevents input events from being
127 processed until later. */
131 #if defined (SIGIO) && defined (FIONREAD)
132 int BLOCK_INPUT_mask
;
135 /* Nonzero if input events came in while x_input_blocked was nonzero.
136 UNBLOCK_INPUT checks for this. */
140 /* Nonzero if in redisplay (); prevents us from calling it recursively */
144 /* The id of a bitmap used for icon windows.
145 One such map is shared by all Emacs icon windows.
146 This is zero if we have not yet had a need to create the bitmap. */
148 static Bitmap icon_bitmap
;
150 /* Font used for text icons. */
152 static FONT_TYPE
*icon_font_info
;
154 /* Stuff for dealing with the main icon title. */
156 extern Lisp_Object Vcommand_line_args
;
157 char *hostname
, *x_id_name
;
158 Lisp_Object invocation_name
;
160 /* This is the X connection that we are using. */
162 Display
*x_current_display
;
164 /* Frame being updated by update_frame. */
165 /* This is set by XTupdate_begin and looked at by all the
166 XT functions. It is zero while not inside an update.
167 In that case, the XT functions assume that `selected_frame'
168 is the frame to apply to. */
170 static struct frame
*updating_frame
;
172 /* The frame (if any) which has the X window that has keyboard focus.
173 Zero if none. This is examined by Ffocus_frame in frame.c. */
174 struct frame
*x_focus_frame
;
176 /* The frame which currently has the visual highlight, and should get
177 keyboard input (other sorts of input have the frame encoded in the
178 event). It points to the X focus frame's selected window's
179 frame. It differs from x_focus_frame when we're using a global
181 static struct frame
*x_highlight_frame
;
183 /* From .Xdefaults, the value of "emacs.WarpMouse". If non-zero,
184 mouse is moved to inside of frame when frame is de-iconified. */
186 static int warp_mouse_on_deiconify
;
188 /* During an update, maximum vpos for ins/del line operations to affect. */
190 static int flexlines
;
192 /* During an update, nonzero if chars output now should be highlighted. */
194 static int highlight
;
196 /* Nominal cursor position -- where to draw output.
197 During an update, these are different from the cursor-box position. */
203 /* `t' if a mouse button is depressed. */
205 extern Lisp_Object Vmouse_depressed
;
207 /* Tells if a window manager is present or not. */
209 extern Lisp_Object Vx_no_window_manager
;
211 /* Timestamp that we requested selection data was made. */
212 extern Time requestor_time
;
214 /* ID of the window requesting selection data. */
215 extern Window requestor_window
;
217 /* Nonzero enables some debugging for the X interface code. */
220 #else /* X10 stuff */
222 /* Bit patterns for the mouse cursor. */
224 short MouseCursor
[] = {
225 0x0000, 0x0008, 0x0018, 0x0038,
226 0x0078, 0x00f8, 0x01f8, 0x03f8,
227 0x07f8, 0x00f8, 0x00d8, 0x0188,
228 0x0180, 0x0300, 0x0300, 0x0000};
230 short MouseMask
[] = {
231 0x000c, 0x001c, 0x003c, 0x007c,
232 0x00fc, 0x01fc, 0x03fc, 0x07fc,
233 0x0ffc, 0x0ffc, 0x01fc, 0x03dc,
234 0x03cc, 0x0780, 0x0780, 0x0300};
236 static short grey_bits
[] = {
237 0x0005, 0x000a, 0x0005, 0x000a};
239 static Pixmap GreyPixmap
= 0;
240 #endif /* X10 stuff */
242 /* From time to time we get info on an Emacs window, here. */
244 static WINDOWINFO_TYPE windowinfo
;
248 extern Display
*XOpenDisplay ();
249 extern Window
XCreateWindow ();
251 extern Cursor
XCreateCursor ();
252 extern FONT_TYPE
*XOpenFont ();
254 static void flashback ();
257 static void dumpqueue ();
261 static int XTcursor_to ();
262 static int XTclear_end_of_line ();
264 /* These hooks are called by update_frame at the beginning and end
265 of a frame update. We record in `updating_frame' the identity
266 of the frame being updated, so that the XT... functions do not
267 need to take a frame as argument. Most of the XT... functions
268 should never be called except during an update, the only exceptions
269 being XTcursor_to, XTwrite_char and XTreassert_line_highlight. */
271 extern int mouse_track_top
, mouse_track_left
, mouse_track_width
;
283 flexlines
= f
->height
;
293 static void x_do_pending_expose ();
301 if (updating_frame
== 0
302 || updating_frame
!= f
)
309 adjust_scrollbars (f
);
310 x_do_pending_expose ();
312 x_display_cursor (f
, 1);
319 /* External interface to control of standout mode.
320 Call this when about to modify line at position VPOS
321 and not change whether it is highlighted. */
323 XTreassert_line_highlight (new, vpos
)
329 /* Call this when about to modify line at position VPOS
330 and change whether it is highlighted. */
333 XTchange_line_highlight (new_highlight
, vpos
, first_unused_hpos
)
334 int new_highlight
, vpos
, first_unused_hpos
;
336 highlight
= new_highlight
;
337 XTcursor_to (vpos
, 0);
338 XTclear_end_of_line (updating_frame
->width
);
341 /* This is used when starting Emacs and when restarting after suspend.
342 When starting Emacs, no X window is mapped. And nothing must be done
343 to Emacs's own window if it is suspended (though that rarely happens). */
346 XTset_terminal_modes ()
350 /* This is called when exiting or suspending Emacs.
351 Exiting will make the X-windows go away, and suspending
352 requires no action. */
355 XTreset_terminal_modes ()
357 /* XTclear_frame (); */
360 /* Set the nominal cursor position of the frame:
361 where display update commands will take effect.
362 This does not affect the place where the cursor-box is displayed. */
365 XTcursor_to (row
, col
)
366 register int row
, col
;
374 if (updating_frame
== 0)
377 x_display_cursor (selected_frame
, 1);
383 /* Display a sequence of N glyphs found at GP.
384 WINDOW is the x-window to output to. LEFT and TOP are starting coords.
385 HL is 1 if this text is highlighted, 2 if the cursor is on it.
387 FONT is the default font to use (for glyphs whose font-code is 0). */
390 dumpglyphs (f
, left
, top
, gp
, n
, hl
, font
)
393 register GLYPH
*gp
; /* Points to first GLYPH. */
394 register int n
; /* Number of glyphs to display. */
399 Window window
= f
->display
.x
->window_desc
;
400 GC drawing_gc
= (hl
== 2 ? f
->display
.x
->cursor_gc
401 : (hl
? f
->display
.x
->reverse_gc
402 : f
->display
.x
->normal_gc
));
404 if (sizeof (GLYPH
) == sizeof (XChar2b
))
405 XDrawImageString16 (x_current_display
, window
, drawing_gc
,
406 left
, top
+ FONT_BASE (font
), (XChar2b
*) gp
, n
);
407 else if (sizeof (GLYPH
) == sizeof (unsigned char))
408 XDrawImageString (x_current_display
, window
, drawing_gc
,
409 left
, top
+ FONT_BASE (font
), (char *) gp
, n
);
411 /* What size of glyph ARE you using? And does X have a function to
418 dumpglyphs (f
, left
, top
, gp
, n
, hl
, font
)
421 register GLYPH
*gp
; /* Points to first GLYPH. */
422 register int n
; /* Number of glyphs to display. */
426 char buf
[f
->width
]; /* Holds characters to be displayed. */
427 register char *cp
; /* Steps through buf[]. */
428 register int tlen
= GLYPH_TABLE_LENGTH
;
429 register Lisp_Object
*tbase
= GLYPH_TABLE_BASE
;
430 Window window
= f
->display
.x
->window_desc
;
431 int cursor_pixel
= f
->display
.x
->cursor_pixel
;
432 int fg_pixel
= f
->display
.x
->foreground_pixel
;
433 int bg_pixel
= f
->display
.x
->background_pixel
;
434 int intborder
= f
->display
.x
->internal_border_width
;
438 /* Get the face-code of the next GLYPH. */
442 while (GLYPH_ALIAS_P (tbase
, tlen
, g
))
443 g
= GLYPH_ALIAS (tbase
, g
);
447 /* Find the run of consecutive glyphs with the same face-code.
448 Extract their character codes into BUF. */
453 while (GLYPH_ALIAS_P (tbase
, tlen
, g
))
454 g
= GLYPH_ALIAS (tbase
, g
);
463 /* LEN gets the length of the run. */
466 /* Now output this run of chars, with the font and pixel values
467 determined by the face code CF. */
471 GC GC_cursor
= f
->display
.x
->cursor_gc
;
472 GC GC_reverse
= f
->display
.x
->reverse_gc
;
473 GC GC_normal
= f
->display
.x
->normal_gc
;
475 XDrawImageString (x_current_display
, window
,
478 : (hl
? GC_reverse
: GC_normal
)),
479 left
, top
+ FONT_BASE (font
), buf
, len
);
481 XText (window
, left
, top
,
486 ? (cursor_pixel
== fg_pixel
? bg_pixel
: fg_pixel
)
487 : hl
? bg_pixel
: fg_pixel
),
488 (hl
== 2 ? cursor_pixel
489 : hl
? fg_pixel
: bg_pixel
));
490 #endif /* HAVE_X11 */
495 if (FACE_IS_FONT (cf
))
496 XDrawImageString (x_current_display
, f
->display
.x
->window_desc
,
498 left
, top
+ FONT_BASE (FACE_FONT (cf
)),
500 else if (FACE_IS_IMAGE (cf
))
501 XCopyPlane (x_current_display
, FACE_IMAGE (cf
),
502 f
->display
.x
->window_desc
,
503 f
->display
.x
->normal_gc
,
505 FACE_IMAGE_WIDTH (cf
),
506 FACE_IMAGE_HEIGHT (cf
), left
, top
);
510 register struct face
*fp
= x_face_table
[cf
];
512 XText (window
, left
, top
,
517 ? (cursor_pixel
== fp
->fg
? fp
->bg
: fp
->fg
)
518 : hl
? fp
->bg
: fp
->fg
),
519 (hl
== 2 ? cursor_pixel
520 : hl
? fp
->fg
: fp
->bg
));
521 #endif /* HAVE_X11 */
523 left
+= len
* FONT_WIDTH (font
);
528 /* Output some text at the nominal frame cursor position,
529 advancing the cursor over the text.
530 Output LEN glyphs at START.
532 `highlight', set up by XTreassert_line_highlight or XTchange_line_highlight,
533 controls the pixel values used for foreground and background. */
536 XTwrite_glyphs (start
, len
)
537 register GLYPH
*start
;
540 register int temp_length
;
550 /* If not within an update,
551 output at the frame's visible cursor. */
552 curs_x
= f
->cursor_x
;
553 curs_y
= f
->cursor_y
;
557 (curs_x
* FONT_WIDTH (f
->display
.x
->font
)
558 + f
->display
.x
->internal_border_width
),
559 (curs_y
* FONT_HEIGHT (f
->display
.x
->font
)
560 + f
->display
.x
->internal_border_width
),
561 start
, len
, highlight
, f
->display
.x
->font
);
563 /* If we drew on top of the cursor, note that it is turned off. */
564 if (curs_y
== f
->phys_cursor_y
565 && curs_x
<= f
->phys_cursor_x
566 && curs_x
+ len
> f
->phys_cursor_x
)
567 f
->phys_cursor_x
= -1;
569 if (updating_frame
== 0)
572 x_display_cursor (f
, 1);
581 /* Erase the current text line from the nominal cursor position (inclusive)
582 to column FIRST_UNUSED (exclusive). The idea is that everything
583 from FIRST_UNUSED onward is already erased. */
586 XTclear_end_of_line (first_unused
)
587 register int first_unused
;
589 struct frame
*f
= updating_frame
;
595 if (curs_y
< 0 || curs_y
>= f
->height
)
597 if (first_unused
<= 0)
600 if (first_unused
>= f
->width
)
601 first_unused
= f
->width
;
605 /* Notice if the cursor will be cleared by this operation. */
606 if (curs_y
== f
->phys_cursor_y
607 && curs_x
<= f
->phys_cursor_x
608 && f
->phys_cursor_x
< first_unused
)
609 f
->phys_cursor_x
= -1;
612 XClearArea (x_current_display
, f
->display
.x
->window_desc
,
613 curs_x
* FONT_WIDTH (f
->display
.x
->font
)
614 + f
->display
.x
->internal_border_width
,
615 curs_y
* FONT_HEIGHT (f
->display
.x
->font
)
616 + f
->display
.x
->internal_border_width
,
617 FONT_WIDTH (f
->display
.x
->font
) * (first_unused
- curs_x
),
618 FONT_HEIGHT (f
->display
.x
->font
), False
);
621 XPixSet (f
->display
.x
->window_desc
,
622 curs_x
* FONT_WIDTH (f
->display
.x
->font
) + f
->display
.x
->internal_border_width
,
623 curs_y
* FONT_HEIGHT (f
->display
.x
->font
) + f
->display
.x
->internal_border_width
,
624 FONT_WIDTH (f
->display
.x
->font
) * (first_unused
- curs_x
),
625 FONT_HEIGHT (f
->display
.x
->font
),
626 f
->display
.x
->background_pixel
);
627 #endif /* HAVE_X11 */
636 struct frame
*f
= updating_frame
;
641 f
->phys_cursor_x
= -1; /* Cursor not visible. */
642 curs_x
= 0; /* Nominal cursor position is top left. */
646 XClear (f
->display
.x
->window_desc
);
654 /* Paint horzontal bars down the frame for a visible bell.
655 Note that this may be way too slow on some machines. */
660 register struct frame_glyphs
*active_frame
= FRAME_CURRENT_GLYPHS (f
);
664 if (updating_frame
!= 0)
670 for (i
= f
->height
* FONT_HEIGHT (f
->display
.x
->font
) - 10;
672 i
-= 100) /* Should be NO LOWER than 75 for speed reasons. */
673 XFillRectangle (x_current_display
, f
->display
.x
->window_desc
,
674 f
->display
.x
->cursor_gc
,
675 0, i
, f
->width
* FONT_WIDTH (f
->display
.x
->font
)
676 + 2 * f
->display
.x
->internal_border_width
, 25);
679 x
= (f
->width
* FONT_WIDTH (f
->display
.x
->font
)) / 4;
680 y
= (f
->height
* FONT_HEIGHT (f
->display
.x
->font
)) / 4;
681 XFillRectangle (x_current_display
, f
->display
.x
->window_desc
,
682 f
->display
.x
->cursor_gc
,
684 dumpglyphs (f
, (x
+ f
->display
.x
->internal_border_width
),
685 (y
+ f
->display
.x
->internal_border_width
),
686 &active_frame
->glyphs
[(f
->height
/ 4) + 1][(f
->width
/ 4)],
687 1, 0, f
->display
.x
->font
);
690 for (i
= f
->height
* FONT_HEIGHT (f
->display
.x
->font
) - 10;
693 XPixFill (f
->display
.x
->window_desc
, 0, i
,
694 f
->width
* FONT_WIDTH (f
->display
.x
->font
)
695 + 2 * f
->display
.x
->internal_border_width
, 10,
696 WHITE_PIX_DEFAULT
, ClipModeClipped
, GXinvert
, AllPlanes
);
703 /* Flip background and forground colors of the frame. */
710 unsigned long pix_temp
;
712 x_display_cursor (f
, 0);
713 XClearWindow (x_current_display
, f
->display
.x
->window_desc
);
714 temp
= f
->display
.x
->normal_gc
;
715 f
->display
.x
->normal_gc
= f
->display
.x
->reverse_gc
;
716 f
->display
.x
->reverse_gc
= temp
;
717 pix_temp
= f
->display
.x
->foreground_pixel
;
718 f
->display
.x
->foreground_pixel
= f
->display
.x
->background_pixel
;
719 f
->display
.x
->background_pixel
= pix_temp
;
721 XSetWindowBackground (x_current_display
, f
->display
.x
->window_desc
,
722 f
->display
.x
->background_pixel
);
723 if (f
->display
.x
->background_pixel
== f
->display
.x
->cursor_pixel
)
725 f
->display
.x
->cursor_pixel
= f
->display
.x
->foreground_pixel
;
726 XSetBackground (x_current_display
, f
->display
.x
->cursor_gc
,
727 f
->display
.x
->cursor_pixel
);
728 XSetForeground (x_current_display
, f
->display
.x
->cursor_gc
,
729 f
->display
.x
->background_pixel
);
735 /* Make audible bell. */
738 #define XRINGBELL XBell(x_current_display, 0)
740 #define XRINGBELL XFeep(0);
747 XTflash (selected_frame
);
750 x_invert_frame (selected_frame
);
751 x_invert_frame (selected_frame
);
762 /* Insert and delete character are not supposed to be used
763 because we are supposed to turn off the feature of using them. */
766 XTinsert_glyphs (start
, len
)
767 register char *start
;
780 /* Specify how many text lines, from the top of the window,
781 should be affected by insert-lines and delete-lines operations.
782 This, and those operations, are used only within an update
783 that is bounded by calls to XTupdate_begin and XTupdate_end. */
786 XTset_terminal_window (n
)
789 if (updating_frame
== 0)
792 if ((n
<= 0) || (n
> updating_frame
->height
))
793 flexlines
= updating_frame
->height
;
798 /* Perform an insert-lines operation, inserting N lines
799 at a vertical position curs_y. */
805 register int topregion
, bottomregion
;
806 register int length
, newtop
, mask
;
807 register struct frame
*f
= updating_frame
;
808 int intborder
= f
->display
.x
->internal_border_width
;
810 if (curs_y
>= flexlines
)
814 bottomregion
= flexlines
- (n
+ 1);
815 newtop
= topregion
+ n
;
816 length
= (bottomregion
- topregion
) + 1;
822 if ((length
> 0) && (newtop
<= flexlines
))
825 XCopyArea (x_current_display
, f
->display
.x
->window_desc
,
826 f
->display
.x
->window_desc
, f
->display
.x
->normal_gc
,
827 intborder
, topregion
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
828 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
829 length
* FONT_HEIGHT (f
->display
.x
->font
), intborder
,
830 newtop
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
);
832 XMoveArea (f
->display
.x
->window_desc
,
833 intborder
, topregion
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
834 intborder
, newtop
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
835 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
836 length
* FONT_HEIGHT (f
->display
.x
->font
));
837 /* Now we must process any ExposeRegion events that occur
838 if the area being copied from is obscured.
839 We can't let it wait because further i/d operations
840 may want to copy this area to another area. */
842 #endif /* HAVE_X11 */
845 newtop
= min (newtop
, (flexlines
- 1));
846 length
= newtop
- topregion
;
850 XClearArea (x_current_display
, f
->display
.x
->window_desc
, intborder
,
851 topregion
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
852 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
853 n
* FONT_HEIGHT (f
->display
.x
->font
), False
);
855 XPixSet (f
->display
.x
->window_desc
,
857 topregion
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
858 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
859 n
* FONT_HEIGHT (f
->display
.x
->font
),
860 f
->display
.x
->background_pixel
);
861 #endif /* HAVE_X11 */
865 /* Perform a delete-lines operation, deleting N lines
866 at a vertical position curs_y. */
873 register struct frame
*f
= updating_frame
;
874 int intborder
= f
->display
.x
->internal_border_width
;
876 if (curs_y
>= flexlines
)
883 if ((curs_y
+ n
) >= flexlines
)
885 if (flexlines
>= (curs_y
+ 1))
888 XClearArea (x_current_display
, f
->display
.x
->window_desc
, intborder
,
889 curs_y
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
890 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
891 (flexlines
- curs_y
) * FONT_HEIGHT (f
->display
.x
->font
), False
);
893 XPixSet (f
->display
.x
->window_desc
,
894 intborder
, curs_y
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
895 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
896 (flexlines
- curs_y
) * FONT_HEIGHT (f
->display
.x
->font
),
897 f
->display
.x
->background_pixel
);
898 #endif /* HAVE_X11 */
904 XCopyArea (x_current_display
, f
->display
.x
->window_desc
,
905 f
->display
.x
->window_desc
, f
->display
.x
->normal_gc
,
907 (curs_y
+ n
) * FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
908 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
909 (flexlines
- (curs_y
+ n
)) * FONT_HEIGHT (f
->display
.x
->font
),
910 intborder
, curs_y
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
);
911 XClearArea (x_current_display
, f
->display
.x
->window_desc
,
913 (flexlines
- n
) * FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
914 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
915 n
* FONT_HEIGHT (f
->display
.x
->font
), False
);
917 XMoveArea (f
->display
.x
->window_desc
,
919 (curs_y
+ n
) * FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
920 intborder
, curs_y
* FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
921 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
922 (flexlines
- (curs_y
+ n
)) * FONT_HEIGHT (f
->display
.x
->font
));
923 /* Now we must process any ExposeRegion events that occur
924 if the area being copied from is obscured.
925 We can't let it wait because further i/d operations
926 may want to copy this area to another area. */
928 XPixSet (f
->display
.x
->window_desc
, intborder
,
929 (flexlines
- n
) * FONT_HEIGHT (f
->display
.x
->font
) + intborder
,
930 f
->width
* FONT_WIDTH (f
->display
.x
->font
),
931 n
* FONT_HEIGHT (f
->display
.x
->font
), f
->display
.x
->background_pixel
);
932 #endif /* HAVE_X11 */
936 /* Perform an insert-lines or delete-lines operation,
937 inserting N lines or deleting -N lines at vertical position VPOS. */
939 XTins_del_lines (vpos
, n
)
942 if (updating_frame
== 0)
945 /* Hide the cursor. */
946 x_display_cursor (updating_frame
, 0);
948 XTcursor_to (vpos
, 0);
959 static void clear_cursor ();
961 /* Output into a rectangle of an X-window (for frame F)
962 the characters in f->phys_lines that overlap that rectangle.
963 TOP and LEFT are the position of the upper left corner of the rectangle.
964 ROWS and COLS are the size of the rectangle. */
967 dumprectangle (f
, left
, top
, cols
, rows
)
969 register int left
, top
, cols
, rows
;
971 register struct frame_glyphs
*active_frame
= FRAME_CURRENT_GLYPHS (f
);
972 int cursor_cleared
= 0;
976 if (FRAME_GARBAGED_P (f
))
979 top
-= f
->display
.x
->internal_border_width
;
980 left
-= f
->display
.x
->internal_border_width
;
982 /* Express rectangle as four edges, instead of position-and-size. */
986 #ifndef HAVE_X11 /* Window manger does this for X11. */
987 /* If the rectangle includes any of the internal border area,
988 redisplay the border emphasis. */
989 if (top
< 0 || left
< 0
990 || bottom
> f
->height
* FONT_HEIGHT (f
->display
.x
->font
)
991 || right
> f
->width
* FONT_WIDTH (f
->display
.x
->font
))
993 #endif /* HAVE_X11 */
995 /* Convert rectangle edges in pixels to edges in chars.
996 Round down for left and top, up for right and bottom. */
997 top
/= FONT_HEIGHT (f
->display
.x
->font
);
998 left
/= FONT_WIDTH (f
->display
.x
->font
);
999 bottom
+= (FONT_HEIGHT (f
->display
.x
->font
) - 1);
1000 right
+= (FONT_WIDTH (f
->display
.x
->font
) - 1);
1001 bottom
/= FONT_HEIGHT (f
->display
.x
->font
);
1002 right
/= FONT_WIDTH (f
->display
.x
->font
);
1004 /* Clip the rectangle to what can be visible. */
1009 if (right
> f
->width
)
1011 if (bottom
> f
->height
)
1014 /* Get size in chars of the rectangle. */
1015 cols
= right
- left
;
1016 rows
= bottom
- top
;
1018 /* If rectangle has zero area, return. */
1019 if (rows
<= 0) return;
1020 if (cols
<= 0) return;
1022 /* Turn off the cursor if it is in the rectangle.
1023 We will turn it back on afterward. */
1024 if ((f
->phys_cursor_x
>= left
) && (f
->phys_cursor_x
< right
)
1025 && (f
->phys_cursor_y
>= top
) && (f
->phys_cursor_y
< bottom
))
1031 /* Display the text in the rectangle, one text line at a time. */
1033 for (y
= top
; y
< bottom
; y
++)
1035 GLYPH
*line
= &active_frame
->glyphs
[y
][left
];
1037 if (! active_frame
->enable
[y
] || left
> active_frame
->used
[y
])
1041 (left
* FONT_WIDTH (f
->display
.x
->font
)
1042 + f
->display
.x
->internal_border_width
),
1043 (y
* FONT_HEIGHT (f
->display
.x
->font
)
1044 + f
->display
.x
->internal_border_width
),
1045 line
, min (cols
, active_frame
->used
[y
] - left
),
1046 active_frame
->highlight
[y
], f
->display
.x
->font
);
1049 /* Turn the cursor on if we turned it off. */
1052 x_display_cursor (f
, 1);
1056 /* Process all queued ExposeRegion events. */
1062 XExposeRegionEvent r
;
1064 while (dequeue_event (&r
, &x_expose_queue
))
1066 struct frame
*f
= x_window_to_frame (r
.window
);
1067 if (f
->display
.x
->icon_desc
== r
.window
)
1070 dumprectangle (f
, r
.x
, r
.y
, r
.width
, r
.height
);
1076 /* Process all expose events that are pending.
1077 Redraws the cursor if necessary on any frame that
1078 is not in the process of being updated with update_frame. */
1081 x_do_pending_expose ()
1085 Lisp_Object tail
, frame
;
1087 if (expose_all_windows
)
1089 expose_all_windows
= 0;
1090 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCONS (tail
)->cdr
)
1092 register int temp_width
, temp_height
;
1095 frame
= XCONS (tail
)->car
;
1096 if (XTYPE (frame
) != Lisp_Frame
)
1099 if (! FRAME_IS_X (f
))
1103 if (!f
->display
.x
->needs_exposure
)
1106 intborder
= f
->display
.x
->internal_border_width
;
1109 XGetWindowInfo (f
->display
.x
->window_desc
, &windowinfo
);
1110 temp_width
= ((windowinfo
.width
- 2 * intborder
1111 - f
->display
.x
->v_scrollbar_width
)
1112 / FONT_WIDTH (f
->display
.x
->font
));
1113 temp_height
= ((windowinfo
.height
- 2 * intborder
1114 - f
->display
.x
->h_scrollbar_height
)
1115 / FONT_HEIGHT (f
->display
.x
->font
));
1116 if (temp_width
!= f
->width
|| temp_height
!= f
->height
)
1118 change_frame_size (f
, max (1, temp_height
),
1119 max (1, temp_width
), 0);
1120 x_resize_scrollbars (f
);
1122 f
->display
.x
->left_pos
= windowinfo
.x
;
1123 f
->display
.x
->top_pos
= windowinfo
.y
;
1124 dumprectangle (f
, 0, 0, PIXEL_WIDTH (f
), PIXEL_HEIGHT (f
));
1128 f
->display
.x
->needs_exposure
= 0;
1129 if (updating_frame
!= f
)
1130 x_display_cursor (f
, 1);
1135 /* Handle any individual-rectangle expose events queued
1136 for various windows. */
1146 frame_highlight (frame
)
1147 struct frame
*frame
;
1149 if (! EQ (Vx_no_window_manager
, Qnil
))
1150 XSetWindowBorder (x_current_display
, frame
->display
.x
->window_desc
,
1151 frame
->display
.x
->border_pixel
);
1152 x_display_cursor (frame
, 1);
1156 frame_unhighlight (frame
)
1157 struct frame
*frame
;
1159 if (! EQ (Vx_no_window_manager
, Qnil
))
1160 XSetWindowBorderPixmap (x_current_display
, frame
->display
.x
->window_desc
,
1161 frame
->display
.x
->border_tile
);
1162 x_display_cursor (frame
, 1);
1165 /* Dump the border-emphasis of frame F.
1166 If F is selected, this is a lining of the same color as the border,
1167 just within the border, occupying a portion of the internal border.
1168 If F is not selected, it is background in the same place.
1169 If ALWAYS is 0, don't bother explicitly drawing if it's background.
1171 ALWAYS = 1 is used when a frame becomes selected or deselected.
1172 In that case, we also turn the cursor off and on again
1173 so it will appear in the proper shape (solid if selected; else hollow.) */
1176 dumpborder (f
, always
)
1180 int thickness
= f
->display
.x
->internal_border_width
/ 2;
1181 int width
= PIXEL_WIDTH (f
);
1182 int height
= PIXEL_HEIGHT (f
);
1185 if (f
!= selected_frame
)
1190 pixel
= f
->display
.x
->background_pixel
;
1194 pixel
= f
->display
.x
->border_pixel
;
1197 XPixSet (f
->display
.x
->window_desc
, 0, 0, width
, thickness
, pixel
);
1198 XPixSet (f
->display
.x
->window_desc
, 0, 0, thickness
, height
, pixel
);
1199 XPixSet (f
->display
.x
->window_desc
, 0, height
- thickness
, width
,
1201 XPixSet (f
->display
.x
->window_desc
, width
- thickness
, 0, thickness
,
1205 x_display_cursor (f
, 1);
1209 static void XTframe_rehighlight ();
1211 /* The focus has changed. Update the frames as necessary to reflect
1212 the new situation. Note that we can't change the selected frame
1213 here, because the lisp code we are interrupting might become confused.
1214 Each event gets marked with the frame in which it occured, so the
1215 lisp code can tell when the switch took place by examining the events. */
1218 x_new_focus_frame (frame
)
1219 struct frame
*frame
;
1221 struct frame
*old_focus
= x_focus_frame
;
1222 int events_enqueued
= 0;
1224 if (frame
!= x_focus_frame
)
1226 /* Set this before calling other routines, so that they see
1227 the correct value of x_focus_frame. */
1228 x_focus_frame
= frame
;
1230 if (old_focus
&& old_focus
->auto_lower
)
1231 x_lower_frame (old_focus
);
1234 selected_frame
= frame
;
1235 XSET (XWINDOW (selected_frame
->selected_window
)->frame
,
1236 Lisp_Frame
, selected_frame
);
1237 Fselect_window (selected_frame
->selected_window
);
1238 choose_minibuf_frame ();
1241 if (x_focus_frame
&& x_focus_frame
->auto_raise
)
1242 x_raise_frame (x_focus_frame
);
1245 XTframe_rehighlight ();
1249 /* The focus has changed, or we have make a frame's selected window
1250 point to a window on a different frame (this happens with global
1251 minibuffer frames). Shift the highlight as appropriate. */
1253 XTframe_rehighlight ()
1255 struct frame
*old_highlight
= x_highlight_frame
;
1259 x_highlight_frame
= XFRAME (FRAME_FOCUS_FRAME (x_focus_frame
));
1260 if (x_highlight_frame
->display
.nothing
== 0)
1261 XSET (FRAME_FOCUS_FRAME (x_focus_frame
), Lisp_Frame
,
1262 (x_highlight_frame
= x_focus_frame
));
1265 x_highlight_frame
= 0;
1267 if (x_highlight_frame
!= old_highlight
)
1270 frame_unhighlight (old_highlight
);
1271 if (x_highlight_frame
)
1272 frame_highlight (x_highlight_frame
);
1283 /* Position of the mouse in characters */
1284 unsigned int x_mouse_x
, x_mouse_y
;
1286 /* Offset in buffer of character under the pointer, or 0. */
1287 extern int mouse_buffer_offset
;
1289 extern int buffer_posn_from_coords ();
1291 /* Symbols from xfns.c to denote the different parts of a window. */
1292 extern Lisp_Object Qmodeline_part
, Qtext_part
;
1295 /* Set *RESULT to an emacs input_event corresponding to MOTION_EVENT.
1296 F is the frame in which the event occurred.
1298 WINDOW_TYPE says whether the event happened in a scrollbar window
1299 or a text window, affecting the format of the event created.
1301 PART specifies which part of the scrollbar the event happened in,
1302 if WINDOW_TYPE == scrollbar_window.
1304 If the mouse is over the same character as the last time we checked,
1305 don't return an event; set result->kind to no_event. */
1308 notice_mouse_movement (result
, motion_event
, f
, window_type
, part
)
1309 struct input_event
*result
;
1310 XMotionEvent motion_event
;
1315 int x
, y
, root_x
, root_y
, pix_x
, pix_y
;
1316 unsigned int keys_and_buttons
;
1317 Window w
, root_window
;
1319 /* Unless we decide otherwise below, return a non-event. */
1320 result
->kind
= no_event
;
1322 if (XQueryPointer (x_current_display
,
1323 f
->display
.x
->window_desc
,
1325 &root_x
, &root_y
, &pix_x
, &pix_y
,
1331 if (w
== None
) /* Mouse no longer in window. */
1335 pixel_to_glyph_translation (f
, pix_x
, pix_y
, &x
, &y
);
1336 if (x
== x_mouse_x
&& y
== x_mouse_y
)
1342 /* What sort of window are we in now? */
1343 if (window_type
== text_window
) /* Text part */
1347 Vmouse_window
= window_from_coordinates (f
, x
, y
, &modeline_p
);
1349 if (XTYPE (Vmouse_window
) == Lisp_Window
)
1351 = buffer_posn_from_coords (XWINDOW (Vmouse_window
), x
, y
);
1353 mouse_buffer_offset
= 0;
1355 if (EQ (Vmouse_window
, Qnil
))
1356 Vmouse_frame_part
= Qnil
;
1357 else if (modeline_p
)
1358 Vmouse_frame_part
= Qmodeline_part
;
1360 Vmouse_frame_part
= Qtext_part
;
1362 result
->kind
= window_sys_event
;
1363 result
->code
= Qmouse_moved
;
1367 else if (window_type
== scrollbar_window
) /* Scrollbar */
1369 Vmouse_window
= f
->selected_window
;
1370 mouse_buffer_offset
= 0;
1371 Vmouse_frame_part
= part
;
1373 result
->kind
= window_sys_event
;
1374 result
->code
= Qmouse_moved
;
1384 /* Mouse clicks and mouse movement. Rah. */
1387 /* Given a pixel position (PIX_X, PIX_Y) on the frame F, return
1388 glyph co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle
1389 that the glyph at X, Y occupies, if BOUNDS != 0. */
1391 pixel_to_glyph_coords (f
, pix_x
, pix_y
, x
, y
, bounds
)
1393 register unsigned int pix_x
, pix_y
;
1394 register int *x
, *y
;
1397 int ibw
= f
->display
.x
->internal_border_width
;
1399 FONT_TYPE
*font
= f
->display
.x
->font
;
1401 width
= FONT_WIDTH (font
);
1402 height
= FONT_HEIGHT (font
);
1404 /* What line is it on? */
1407 else if (pix_y
> f
->display
.x
->pixel_height
- ibw
)
1408 *y
= FRAME_HEIGHT (f
) - 1;
1410 *y
= (pix_y
- ibw
) / height
;
1412 /* And what column? */
1415 else if (pix_x
> f
->display
.x
->pixel_width
- ibw
)
1416 *x
= FRAME_WIDTH (f
) - 1;
1418 *x
= (pix_x
- ibw
) / width
;
1422 bounds
->width
= width
;
1423 bounds
->height
= height
;
1424 bounds
->x
= ibw
+ (*x
* width
);
1425 bounds
->y
= ibw
+ (*y
* height
);
1429 /* Any buttons grabbed. */
1430 unsigned int x_mouse_grabbed
;
1432 /* Convert a set of X modifier bits to the proper form for a
1433 struct input_event modifiers value. */
1436 x_convert_modifiers (state
)
1439 return ( ((state
& (ShiftMask
| LockMask
)) ? shift_modifier
: 0)
1440 | ((state
& ControlMask
) ? ctrl_modifier
: 0)
1441 | ((state
& Mod1Mask
) ? meta_modifier
: 0));
1444 extern struct frame
*x_window_to_scrollbar ();
1445 extern Lisp_Object Vmouse_event
;
1447 /* Prepare a mouse-event in *RESULT for placement in the input queue.
1449 If the event is a button press, then note that we have grabbed
1452 If PART and PREFIX are 0, then the event occurred in the text part;
1453 otherwise it happened in a scrollbar. */
1456 construct_mouse_click (result
, event
, f
, part
, prefix
)
1457 struct input_event
*result
;
1458 XButtonEvent
*event
;
1463 /* Initialize those fields text and scrollbar clicks hold in common.
1464 Make the event type no_event; we'll change that when we decide
1466 result
->kind
= no_event
;
1467 XSET (result
->code
, Lisp_Int
, event
->button
);
1468 result
->timestamp
= event
->time
;
1469 result
->modifiers
= (x_convert_modifiers (event
->state
)
1470 | (event
->type
== ButtonRelease
? up_modifier
: 0));
1472 /* Notice if the mouse is still grabbed. */
1473 if (event
->type
== ButtonPress
)
1475 if (! x_mouse_grabbed
)
1476 Vmouse_depressed
= Qt
;
1477 x_mouse_grabbed
|= (1 << event
->button
);
1479 else if (event
->type
== ButtonRelease
)
1481 x_mouse_grabbed
&= ~(1 << event
->button
);
1482 if (!x_mouse_grabbed
)
1483 Vmouse_depressed
= Qnil
;
1486 if (part
) /* Scrollbar event */
1490 pos
= event
->y
- (f
->display
.x
->v_scrollbar_width
- 2);
1491 XSET (x_mouse_x
, Lisp_Int
, pos
);
1492 len
= ((FONT_HEIGHT (f
->display
.x
->font
) * f
->height
)
1493 + f
->display
.x
->internal_border_width
1494 - (2 * (f
->display
.x
->v_scrollbar_width
- 2)));
1495 XSET (x_mouse_y
, Lisp_Int
, len
);
1497 result
->kind
= scrollbar_click
;
1498 result
->part
= part
;
1499 XSET (result
->x
, Lisp_Int
, (f
->display
.x
->top_pos
- event
->y
));
1500 XSET (result
->y
, Lisp_Int
, f
->display
.x
->pixel_height
);
1503 else /* Text Window Event */
1507 pixel_to_glyph_coords (f
, event
->x
, event
->y
, &column
, &row
, NULL
);
1508 result
->kind
= mouse_click
;
1516 /* Mouse movement. Rah.
1518 In order to avoid asking for motion events and then throwing most
1519 of them away or busy-polling the server for mouse positions, we ask
1520 the server for pointer motion hints. This means that we get only
1521 one event per group of mouse movements. "Groups" are delimited by
1522 other kinds of events (focus changes and button clicks, for
1523 example), or by XQueryPointer calls; when one of these happens, we
1524 get another MotionNotify event the next time the mouse moves. This
1525 is at least as efficient as getting motion events when mouse
1526 tracking is on, and I suspect only negligibly worse when tracking
1529 The silly O'Reilly & Associates Nutshell guides barely document
1530 pointer motion hints at all (I think you have to infer how they
1531 work from an example), and the description of XQueryPointer doesn't
1532 mention that calling it causes you to get another motion hint from
1533 the server, which is very important. */
1535 /* Where the mouse was last time we reported a mouse event. */
1536 static FRAME_PTR last_mouse_frame
;
1537 static XRectangle last_mouse_glyph
;
1539 /* This is a hack. We would really prefer that XTmouse_position would
1540 return the time associated with the position it returns, but there
1541 doesn't seem to be any way to wrest the timestamp from the server
1542 along with the position query. So, we just keep track of the time
1543 of the last movement we received, and return that in hopes that
1544 it's somewhat accurate. */
1545 static Time last_mouse_movement_time
;
1547 /* Function to report a mouse movement to the mainstream Emacs code.
1548 The input handler calls this.
1550 We have received a mouse movement event, which is given in *event.
1551 If the mouse is over a different glyph than it was last time, tell
1552 the mainstream emacs code by setting mouse_moved. If not, ask for
1553 another motion event, so we can check again the next time it moves. */
1555 note_mouse_position (frame
, event
)
1557 XMotionEvent
*event
;
1560 last_mouse_movement_time
= event
->time
;
1562 /* Has the mouse moved off the glyph it was on at the last sighting? */
1563 if (event
->x
< last_mouse_glyph
.x
1564 || event
->x
>= last_mouse_glyph
.x
+ last_mouse_glyph
.width
1565 || event
->y
< last_mouse_glyph
.y
1566 || event
->y
>= last_mouse_glyph
.y
+ last_mouse_glyph
.height
)
1570 /* It's on the same glyph. Call XQueryPointer so we'll get an
1571 event the next time the mouse moves and we can see if it's
1572 *still* on the same glyph. */
1575 XQueryPointer (event
->display
, event
->window
,
1576 (Window
*) &dummy
, (Window
*) &dummy
,
1577 &dummy
, &dummy
, &dummy
, &dummy
,
1578 (unsigned int *) &dummy
);
1582 /* Return the current position of the mouse.
1584 This clears the mouse_moved flag, so we can wait for the next mouse
1585 position. This also calls XQueryPointer, which will cause the
1586 server to give us another MotionNotify when the mouse moves again.
1590 XTmouse_position (f
, x
, y
, time
)
1593 unsigned long *time
;
1596 Display
*d
= x_current_display
;
1597 Window guess
, root
, child
;
1601 /* I would like to have an X function that just told me the
1602 innermost window containing the mouse.
1604 /* There doesn't seem to be any way to just get the innermost window
1605 containing the pointer, no matter what X frame it's on; you have
1606 to guess a window, and then X will tell you which one of that
1607 window's children it's in. If the pointer isn't in any of that
1608 window's children, it gives you a root window that contains it.
1610 So we start with the selected frame's window and chase down
1611 branches under the guidance of XQueryPointer until we hit a leaf
1612 (all of the Emacs windows we care about are leaf windows). If at
1613 any time XQueryPointer returns false, that means that the current
1614 window does not contain the pointer any more (perhaps it moved),
1615 so we start with the root window XQueryPointer has given us and
1618 guess
= selected_frame
->display
.x
->window_desc
;
1620 if (XQueryPointer (d
, guess
, &root
, &child
,
1621 &dummy
, &dummy
, &ix
, &iy
, (unsigned int *) &dummy
))
1624 /* Guess is a leaf window, and it contains the pointer. */
1630 /* When XQueryPointer returns False, the pointer isn't in guess
1631 anymore, but root is the root window of the frame we should
1635 *f
= last_mouse_frame
= x_window_to_frame (guess
);
1640 pixel_to_glyph_coords (*f
, ix
, iy
, &ix
, &iy
, &last_mouse_glyph
);
1641 XSET (*x
, Lisp_Int
, ix
);
1642 XSET (*y
, Lisp_Int
, iy
);
1647 /* I don't know how to find the time for the last movement; it seems
1648 like XQueryPointer ought to return it, but it doesn't. So, we'll
1649 return the time of the last MotionNotify event we received. Note
1650 that the use of motion hints means that this isn't guaranteed to
1651 be accurate at all. */
1652 *time
= last_mouse_movement_time
;
1658 static char *events
[] =
1698 #define XEvent XKeyPressedEvent
1699 #endif /* HAVE_X11 */
1701 /* Timestamp of enter window event. This is only used by XTread_socket,
1702 but we have to put it out here, since static variables within functions
1703 sometimes don't work. */
1704 static Time enter_timestamp
;
1706 /* Communication with window managers. */
1707 Atom Xatom_wm_protocols
;
1709 /* Kinds of protocol things we may receive. */
1710 Atom Xatom_wm_take_focus
;
1711 Atom Xatom_wm_save_yourself
;
1712 Atom Xatom_wm_delete_window
;
1714 /* Other WM communication */
1715 Atom Xatom_wm_configure_denied
; /* When our config request is denied */
1716 Atom Xatom_wm_window_moved
; /* When the WM moves us. */
1718 /* Read events coming from the X server.
1719 This routine is called by the SIGIO handler.
1720 We return as soon as there are no more events to be read.
1722 Events representing keys are stored in buffer BUFP,
1723 which can hold up to NUMCHARS characters.
1724 We return the number of characters stored into the buffer,
1725 thus pretending to be `read'.
1727 WAITP is nonzero if we should block until input arrives.
1728 EXPECTED is nonzero if the caller knows input is available. */
1731 XTread_socket (sd
, bufp
, numchars
, waitp
, expected
)
1733 register struct input_event
*bufp
;
1734 register int numchars
;
1741 int items_pending
; /* How many items are in the X queue. */
1748 if (x_input_blocked
)
1750 x_pending_input
= 1;
1754 x_pending_input
= 0;
1758 abort (); /* Don't think this happens. */
1761 /* If available, Xlib uses FIOSNBIO to make the socket
1762 non-blocking, and then looks for EWOULDBLOCK. If O_NDELAY is set,
1763 FIOSNBIO is ignored, and instead of signalling EWOULDBLOCK,
1764 a read returns 0, which Xlib interprets as equivalent to EPIPE. */
1765 fcntl (fileno (stdin
), F_SETFL
, 0);
1770 if (! (fcntl (fileno (stdin
), F_GETFL
, 0) & O_NDELAY
))
1772 extern int read_alarm_should_throw
;
1773 read_alarm_should_throw
= 1;
1774 XPeekEvent (XDISPLAY
&event
);
1775 read_alarm_should_throw
= 0;
1780 while (XStuffPending () != 0)
1782 XNextEvent (XDISPLAY
&event
);
1790 if (event
.xclient
.message_type
== Xatom_wm_protocols
1791 && event
.xclient
.format
== 32)
1793 if (event
.xclient
.data
.l
[0] == Xatom_wm_take_focus
)
1795 f
= x_window_to_frame (event
.xclient
.window
);
1797 x_focus_on_frame (f
);
1798 /* Not certain about handling scrollbars here */
1800 else if (event
.xclient
.data
.l
[0] == Xatom_wm_save_yourself
)
1802 /* Save state modify the WM_COMMAND property to
1803 something which can reinstate us. This notifies
1804 the session manager, who's looking for such a
1805 PropertyNotify. Can restart processing when
1806 a keyboard or mouse event arrives. */
1811 else if (event
.xclient
.data
.l
[0] == Xatom_wm_delete_window
)
1813 struct frame
*f
= x_window_to_frame (event
.xclient
.window
);
1821 else if (event
.xclient
.message_type
== Xatom_wm_configure_denied
)
1824 else if (event
.xclient
.message_type
== Xatom_wm_window_moved
)
1828 new_x
= event
.xclient
.data
.s
[0];
1829 new_y
= event
.xclient
.data
.s
[1];
1834 case SelectionClear
: /* Someone has grabbed ownership. */
1835 x_disown_selection (event
.xselectionclear
.window
,
1836 event
.xselectionclear
.selection
,
1837 event
.xselectionclear
.time
);
1840 case SelectionRequest
: /* Someone wants our selection. */
1841 x_answer_selection_request (event
);
1844 case PropertyNotify
:
1845 /* If we were to do this synchronously, there'd be no worry
1846 about re-selecting. */
1847 x_send_incremental (event
);
1851 f
= x_window_to_frame (event
.xexpose
.window
);
1854 if (f
->visible
== 0)
1858 SET_FRAME_GARBAGED (f
);
1861 dumprectangle (x_window_to_frame (event
.xexpose
.window
),
1862 event
.xexpose
.x
, event
.xexpose
.y
,
1863 event
.xexpose
.width
, event
.xexpose
.height
);
1867 case GraphicsExpose
: /* This occurs when an XCopyArea's
1868 source area was obscured or not
1870 dumprectangle (x_window_to_frame (event
.xgraphicsexpose
.drawable
),
1871 event
.xgraphicsexpose
.x
, event
.xgraphicsexpose
.y
,
1872 event
.xgraphicsexpose
.width
,
1873 event
.xgraphicsexpose
.height
);
1876 case NoExpose
: /* This occurs when an XCopyArea's
1877 source area was completely
1880 #else /* not HAVE_X11 */
1882 if (event
.subwindow
!= 0)
1883 break; /* duplicate event */
1884 f
= x_window_to_frame (event
.window
);
1885 if (event
.window
== f
->display
.x
->icon_desc
)
1890 if (event
.window
== f
->display
.x
->window_desc
)
1892 /* Say must check all windows' needs_exposure flags. */
1893 expose_all_windows
= 1;
1894 f
->display
.x
->needs_exposure
= 1;
1900 if (event
.subwindow
!= 0)
1901 break; /* duplicate event */
1902 f
= x_window_to_frame (event
.window
);
1903 if (event
.window
== f
->display
.x
->icon_desc
)
1908 /* If window already needs full redraw, ignore this rectangle. */
1909 if (expose_all_windows
&& f
->display
.x
->needs_exposure
)
1911 /* Put the event on the queue of rectangles to redraw. */
1912 if (enqueue_event (&event
, &x_expose_queue
))
1913 /* If it is full, we can't record the rectangle,
1914 so redraw this entire window. */
1916 /* Say must check all windows' needs_exposure flags. */
1917 expose_all_windows
= 1;
1918 f
->display
.x
->needs_exposure
= 1;
1923 /* This should happen only when we are expecting it,
1924 in x_read_exposes. */
1926 #endif /* not HAVE_X11 */
1933 f
= x_window_to_frame (event
.xunmap
.window
);
1934 if (f
) /* F may no longer exist if
1935 the frame was deleted. */
1937 /* While a frame is unmapped, display generation is
1938 disabled; you don't want to spend time updating a
1939 display that won't ever be seen. */
1941 x_mouse_x
= x_mouse_y
= -1;
1947 f
= x_window_to_frame (event
.xmap
.window
);
1953 /* wait_reading_process_input will notice this and update
1954 the frame's display structures. */
1955 SET_FRAME_GARBAGED (f
);
1959 /* Turn off processing if we become fully obscured. */
1960 case VisibilityNotify
:
1965 f
= x_window_to_frame (event
.window
);
1966 if (event
.window
== f
->display
.x
->icon_desc
)
1968 if (event
.window
== f
->display
.x
->window_desc
)
1971 #endif /* HAVE_X11 */
1975 f
= x_window_to_frame (event
.xkey
.window
);
1979 XComposeStatus status
;
1980 char copy_buffer
[80];
1981 int modifiers
= event
.xkey
.state
;
1983 /* Some keyboards generate different characters
1984 depending on the state of the meta key, in an attempt
1985 to support non-English typists. It would be nice to
1986 keep this functionality somehow, but for now, we will
1987 just clear the meta-key flag to get the 'pure' character. */
1988 event
.xkey
.state
&= ~Mod1Mask
;
1990 /* This will have to go some day... */
1991 nbytes
= XLookupString (&event
.xkey
,
1997 /* Strip off the vendor-specific keysym bit, and take a shot
1998 at recognizing the codes. HP servers have extra keysyms
1999 that fit into the MiscFunctionKey category. */
2004 if (IsCursorKey (keysym
) /* 0xff50 <= x < 0xff60 */
2005 || IsMiscFunctionKey (keysym
) /* 0xff60 <= x < 0xff80 */
2006 || IsKeypadKey (keysym
) /* 0xff80 <= x < 0xffbe */
2007 || IsFunctionKey (keysym
)) /* 0xffbe <= x < 0xffe1 */
2009 bufp
->kind
= non_ascii_keystroke
;
2010 XSET (bufp
->code
, Lisp_Int
, (unsigned) keysym
- 0xff50);
2012 bufp
->modifiers
= x_convert_modifiers (modifiers
);
2013 bufp
->timestamp
= event
.xkey
.time
;
2018 else if (numchars
> nbytes
)
2024 if (modifiers
& Mod1Mask
)
2025 *copy_buffer
|= METABIT
;
2026 bufp
->kind
= ascii_keystroke
;
2027 XSET (bufp
->code
, Lisp_Int
, *copy_buffer
);
2029 bufp
->timestamp
= event
.xkey
.time
;
2033 for (i
= nbytes
- 1; i
> 1; i
--)
2035 bufp
->kind
= ascii_keystroke
;
2036 XSET (bufp
->code
, Lisp_Int
, copy_buffer
[i
]);
2038 bufp
->timestamp
= event
.xkey
.time
;
2051 register char *where_mapping
;
2053 f
= x_window_to_frame (event
.window
);
2054 /* Ignore keys typed on icon windows. */
2055 if (f
!= 0 && event
.window
== f
->display
.x
->icon_desc
)
2057 where_mapping
= XLookupMapping (&event
, &nbytes
);
2058 /* Nasty fix for arrow keys */
2059 if (!nbytes
&& IsCursorKey (event
.detail
& 0xff))
2061 switch (event
.detail
& 0xff)
2063 case KC_CURSOR_LEFT
:
2064 where_mapping
= "\002";
2066 case KC_CURSOR_RIGHT
:
2067 where_mapping
= "\006";
2070 where_mapping
= "\020";
2072 case KC_CURSOR_DOWN
:
2073 where_mapping
= "\016";
2078 if (numchars
- nbytes
> 0)
2082 for (i
= 0; i
< nbytes
; i
++)
2084 bufp
->kind
= ascii_keystroke
;
2085 XSET (bufp
->code
, Lisp_Int
, where_mapping
[i
]);
2086 XSET (bufp
->time
, Lisp_Int
, event
.xkey
.time
);
2095 #endif /* HAVE_X11 */
2099 f
= x_window_to_frame (event
.xcrossing
.window
);
2101 if (event
.xcrossing
.detail
== NotifyInferior
) /* Left Scrollbar */
2103 else if (event
.xcrossing
.focus
) /* Entered Window */
2105 /* If we decide we want to generate an event to be seen
2106 by the rest of Emacs, we put it here. */
2107 struct input_event emacs_event
;
2108 emacs_event
.kind
= no_event
;
2110 /* Avoid nasty pop/raise loops. */
2111 if (f
&& (!(f
->auto_raise
)
2113 || (event
.xcrossing
.time
- enter_timestamp
) > 500))
2115 x_new_focus_frame (f
);
2116 enter_timestamp
= event
.xcrossing
.time
;
2119 else if ((f
= x_window_to_scrollbar (event
.xcrossing
.window
,
2121 /* Fake a motion event */
2122 notice_mouse_movement (&emacs_event
,
2123 event
.xmotion
, f
, scrollbar_window
,
2128 if (! EQ (Vx_send_mouse_movement_events
, Qnil
)
2130 && emacs_event
.kind
!= no_event
)
2132 bcopy (&emacs_event
, bufp
, sizeof (struct input_event
));
2139 else if (f
== x_focus_frame
)
2140 x_new_focus_frame (0);
2142 else if (f
= x_window_to_frame (event
.xcrossing
.window
))
2149 f
= x_window_to_frame (event
.xfocus
.window
);
2151 x_new_focus_frame (f
);
2155 if (event
.xcrossing
.detail
!= NotifyInferior
2156 && event
.xcrossing
.subwindow
== None
2157 && event
.xcrossing
.mode
== NotifyNormal
)
2159 f
= x_window_to_frame (event
.xcrossing
.window
);
2160 if (event
.xcrossing
.focus
)
2161 x_new_focus_frame (f
);
2162 else if (f
== x_focus_frame
)
2163 x_new_focus_frame (0);
2168 f
= x_window_to_frame (event
.xfocus
.window
);
2169 if (f
&& f
== x_focus_frame
)
2170 x_new_focus_frame (0);
2173 #else /* not HAVE_X11 */
2176 if ((event
.detail
& 0xFF) == 1)
2177 break; /* Coming from our own subwindow */
2178 if (event
.subwindow
!= 0)
2179 break; /* Entering our own subwindow. */
2182 f
= x_window_to_frame (event
.window
);
2185 x_new_focus_frame (f
);
2190 if ((event
.detail
& 0xFF) == 1)
2191 break; /* Entering our own subwindow */
2192 if (event
.subwindow
!= 0)
2193 break; /* Leaving our own subwindow. */
2196 if (x_focus_frame
== 0
2197 && x_input_frame
!= 0
2198 && x_input_frame
== x_window_to_frame (event
.window
)
2199 && event
.window
== x_input_frame
->display
.x
->window_desc
)
2204 frame_unhighlight (f
);
2207 #endif /* not HAVE_X11 */
2212 f
= x_window_to_frame (event
.xmotion
.window
);
2214 note_mouse_position (f
, &event
.xmotion
);
2216 else if ((f
= x_window_to_scrollbar (event
.xmotion
.window
,
2219 What should go here
?
2225 case ConfigureNotify
:
2228 f
= x_window_to_frame (event
.xconfigure
.window
);
2232 columns
= ((event
.xconfigure
.width
-
2233 (2 * f
->display
.x
->internal_border_width
)
2234 - f
->display
.x
->v_scrollbar_width
)
2235 / FONT_WIDTH (f
->display
.x
->font
));
2236 rows
= ((event
.xconfigure
.height
-
2237 (2 * f
->display
.x
->internal_border_width
)
2238 - f
->display
.x
->h_scrollbar_height
)
2239 / FONT_HEIGHT (f
->display
.x
->font
));
2241 /* Even if the number of character rows and columns has
2242 not changed, the font size may have changed, so we need
2243 to check the pixel dimensions as well. */
2244 if (columns
!= f
->width
2245 || rows
!= f
->height
2246 || event
.xconfigure
.width
!= f
->display
.x
->pixel_width
2247 || event
.xconfigure
.height
!= f
->display
.x
->pixel_height
)
2249 change_frame_size (f
, rows
, columns
, 0);
2250 x_resize_scrollbars (f
);
2251 SET_FRAME_GARBAGED (f
);
2254 f
->display
.x
->pixel_width
= event
.xconfigure
.width
;
2255 f
->display
.x
->pixel_height
= event
.xconfigure
.height
;
2256 f
->display
.x
->left_pos
= event
.xconfigure
.x
;
2257 f
->display
.x
->top_pos
= event
.xconfigure
.y
;
2264 /* If we decide we want to generate an event to be seen
2265 by the rest of Emacs, we put it here. */
2266 struct input_event emacs_event
;
2267 emacs_event
.kind
= no_event
;
2269 f
= x_window_to_frame (event
.xbutton
.window
);
2271 if (!x_focus_frame
|| (f
== x_focus_frame
))
2272 construct_mouse_click (&emacs_event
,
2277 if ((f
= x_window_to_scrollbar (event
.xbutton
.window
,
2280 if (!x_focus_frame
|| (selected_frame
== x_focus_frame
))
2281 construct_mouse_click (&emacs_event
,
2282 &event
, f
, part
, prefix
);
2287 if (numchars
>= 1 && emacs_event
.kind
!= no_event
)
2289 bcopy (&emacs_event
, bufp
, sizeof (struct input_event
));
2297 #else /* not HAVE_X11 */
2299 case ButtonReleased
:
2300 f
= x_window_to_frame (event
.window
);
2303 if (event
.window
== f
->display
.x
->icon_desc
)
2305 x_make_frame_visible (f
);
2307 if (warp_mouse_on_deiconify
)
2308 XWarpMouse (f
->display
.x
->window_desc
, 10, 10);
2311 if (event
.window
== f
->display
.x
->window_desc
)
2317 enqueue_event (&event
, &x_mouse_queue
);
2320 bufp
->kind
= ascii_keystroke
;
2321 bufp
->code
= (char) 'X' & 037; /* C-x */
2323 XSET (bufp
->time
, Lisp_Int
, event
.xkey
.time
);
2326 bufp
->kind
= ascii_keystroke
;
2327 bufp
->code
= (char) 0; /* C-@ */
2329 XSET (bufp
->time
, Lisp_Int
, event
.xkey
.time
);
2336 #endif /* not HAVE_X11 */
2340 case CirculateNotify
:
2342 case CirculateRequest
:
2345 #endif /* HAVE_X11 */
2348 if (event
.xmapping
.request
== MappingKeyboard
)
2349 /* Someone has changed the keyboard mapping - flush the
2351 XRefreshKeyboardMapping (&event
.xmapping
);
2361 if (expected
&& ! event_found
)
2363 /* AOJ 880406: if select returns true but XPending doesn't, it means that
2364 there is an EOF condition; in other words, that X has died.
2365 Act as if there had been a hangup. */
2367 int fd
= ConnectionNumber (x_current_display
);
2370 if (0 != select (fd
+ 1, &mask
, (long *) 0, (long *) 0,
2372 && !XStuffPending ())
2373 kill (getpid (), SIGHUP
);
2375 #endif /* HAVE_SELECT */
2378 if (updating_frame
== 0)
2379 x_do_pending_expose ();
2386 /* Read and process only Expose events
2387 until we get an ExposeCopy event; then return.
2388 This is used in insert/delete line.
2389 We assume input is already blocked. */
2395 XKeyPressedEvent event
;
2399 /* while there are more events*/
2400 XMaskEvent (ExposeWindow
| ExposeRegion
| ExposeCopy
, &event
);
2404 if (event
.subwindow
!= 0)
2405 break; /* duplicate event */
2406 f
= x_window_to_frame (event
.window
);
2407 if (event
.window
== f
->display
.x
->icon_desc
)
2412 if (event
.window
== f
->display
.x
->window_desc
)
2414 expose_all_windows
= 1;
2415 f
->display
.x
->needs_exposure
= 1;
2421 if (event
.subwindow
!= 0)
2422 break; /* duplicate event */
2423 f
= x_window_to_frame (event
.window
);
2424 if (event
.window
== f
->display
.x
->icon_desc
)
2429 /* If window already needs full redraw, ignore this rectangle. */
2430 if (expose_all_windows
&& f
->display
.x
->needs_exposure
)
2432 /* Put the event on the queue of rectangles to redraw. */
2433 if (enqueue_event (&event
, &x_expose_queue
))
2434 /* If it is full, we can't record the rectangle,
2435 so redraw this entire window. */
2437 /* Say must check all windows' needs_exposure flags. */
2438 expose_all_windows
= 1;
2439 f
->display
.x
->needs_exposure
= 1;
2448 #endif /* HAVE_X11 */
2451 /* Draw a hollow box cursor. Don't change the inside of the box. */
2457 int left
= f
->cursor_x
* FONT_WIDTH (f
->display
.x
->font
)
2458 + f
->display
.x
->internal_border_width
;
2459 int top
= f
->cursor_y
* FONT_HEIGHT (f
->display
.x
->font
)
2460 + f
->display
.x
->internal_border_width
;
2461 int width
= FONT_WIDTH (f
->display
.x
->font
);
2462 int height
= FONT_HEIGHT (f
->display
.x
->font
);
2465 /* Perhaps we should subtract 1 from width and height... */
2466 XDrawRectangle (x_current_display
, f
->display
.x
->window_desc
,
2467 f
->display
.x
->cursor_gc
,
2468 left
, top
, width
- 1, height
- 1);
2470 XPixSet (f
->display
.x
->window_desc
,
2471 left
, top
, width
, 1,
2472 f
->display
.x
->cursor_pixel
);
2474 XPixSet (f
->display
.x
->window_desc
,
2475 left
, top
, 1, height
,
2476 f
->display
.x
->cursor_pixel
);
2478 XPixSet (f
->display
.x
->window_desc
,
2479 left
+width
-1, top
, 1, height
,
2480 f
->display
.x
->cursor_pixel
);
2482 XPixSet (f
->display
.x
->window_desc
,
2483 left
, top
+height
-1, width
, 1,
2484 f
->display
.x
->cursor_pixel
);
2485 #endif /* HAVE_X11 */
2488 /* Clear the cursor of frame F to background color,
2489 and mark the cursor as not shown.
2490 This is used when the text where the cursor is
2491 is about to be rewritten. */
2500 || f
->phys_cursor_x
< 0)
2504 x_display_cursor (f
, 0);
2506 XClearArea (x_current_display
, f
->display
.x
->window_desc
,
2507 f
->phys_cursor_x
* FONT_WIDTH (f
->display
.x
->font
)
2508 + f
->display
.x
->internal_border_width
,
2509 f
->phys_cursor_y
* FONT_HEIGHT (f
->display
.x
->font
)
2510 + f
->display
.x
->internal_border_width
,
2511 FONT_WIDTH (f
->display
.x
->font
) + 1, FONT_HEIGHT (f
->display
.x
->font
) + 1, False
);
2514 XPixSet (f
->display
.x
->window_desc
,
2515 f
->phys_cursor_x
* FONT_WIDTH (f
->display
.x
->font
) + f
->display
.x
->internal_border_width
,
2516 f
->phys_cursor_y
* FONT_HEIGHT (f
->display
.x
->font
) + f
->display
.x
->internal_border_width
,
2517 FONT_WIDTH (f
->display
.x
->font
), FONT_HEIGHT (f
->display
.x
->font
),
2518 f
->display
.x
->background_pixel
);
2519 #endif /* HAVE_X11 */
2520 f
->phys_cursor_x
= -1;
2524 x_display_bar_cursor (f
, on
)
2528 register int phys_x
= f
->phys_cursor_x
;
2529 register int phys_y
= f
->phys_cursor_y
;
2534 if (! f
->visible
|| (! on
&& f
->phys_cursor_x
< 0))
2539 (!on
|| phys_x
!= f
->cursor_x
|| phys_y
!= f
->cursor_y
))
2541 x1
= phys_x
* FONT_WIDTH (f
->display
.x
->font
)
2542 + f
->display
.x
->internal_border_width
;
2543 y1
= phys_y
* FONT_HEIGHT (f
->display
.x
->font
)
2544 + f
->display
.x
->internal_border_width
- 1;
2545 y2
= y1
+ FONT_HEIGHT (f
->display
.x
->font
) + 1;
2547 XDrawLine (x_current_display
, f
->display
.x
->window_desc
,
2548 f
->display
.x
->reverse_gc
, x1
, y1
, x1
, y2
);
2550 f
->phys_cursor_x
= phys_x
= -1;
2553 if (on
&& f
== x_highlight_frame
)
2555 x1
= f
->cursor_x
* FONT_WIDTH (f
->display
.x
->font
)
2556 + f
->display
.x
->internal_border_width
;
2557 y1
= f
->cursor_y
* FONT_HEIGHT (f
->display
.x
->font
)
2558 + f
->display
.x
->internal_border_width
- 1;
2559 y2
= y1
+ FONT_HEIGHT (f
->display
.x
->font
) + 1;
2561 XDrawLine (x_current_display
, f
->display
.x
->window_desc
,
2562 f
->display
.x
->cursor_gc
, x1
, y1
, x1
, y2
);
2564 f
->phys_cursor_x
= f
->cursor_x
;
2565 f
->phys_cursor_y
= f
->cursor_y
;
2573 /* Redraw the glyph at ROW, COLUMN on frame F, in the style
2574 HIGHLIGHT. HIGHLIGHT is as defined for dumpglyphs. Return the
2578 x_draw_single_glyph (f
, row
, column
, glyph
, highlight
)
2585 (column
* FONT_WIDTH (f
->display
.x
->font
)
2586 + f
->display
.x
->internal_border_width
),
2587 (row
* FONT_HEIGHT (f
->display
.x
->font
)
2588 + f
->display
.x
->internal_border_width
),
2589 &glyph
, 1, highlight
, f
->display
.x
->font
);
2592 /* Turn the displayed cursor of frame F on or off according to ON.
2593 If ON is nonzero, where to put the cursor is specified
2594 by F->cursor_x and F->cursor_y. */
2597 x_display_box_cursor (f
, on
)
2601 struct frame_glyphs
*current_glyphs
= FRAME_CURRENT_GLYPHS (f
);
2603 /* If we're not updating, then we want to use the current frame's
2604 cursor position, not our local idea of where the cursor ought to be. */
2605 if (f
!= updating_frame
)
2607 curs_x
= FRAME_CURSOR_X (f
);
2608 curs_y
= FRAME_CURSOR_Y (f
);
2614 /* If cursor is off and we want it off, return quickly. */
2615 if (!on
&& f
->phys_cursor_x
< 0)
2618 /* If cursor is currently being shown and we don't want it to be
2619 or it is in the wrong place,
2620 or we want a hollow box and it's not so, (pout!)
2622 if (f
->phys_cursor_x
>= 0
2624 || f
->phys_cursor_x
!= curs_x
2625 || f
->phys_cursor_y
!= curs_y
2626 || (f
->display
.x
->text_cursor_kind
!= hollow_box_cursor
2627 && (f
!= x_highlight_frame
))))
2629 /* Erase the cursor by redrawing the character underneath it. */
2630 x_draw_single_glyph (f
, f
->phys_cursor_y
, f
->phys_cursor_x
,
2631 f
->phys_cursor_glyph
,
2632 current_glyphs
->highlight
[f
->phys_cursor_y
]);
2633 f
->phys_cursor_x
= -1;
2636 /* If we want to show a cursor,
2637 or we want a box cursor and it's not so,
2638 write it in the right place. */
2640 && (f
->phys_cursor_x
< 0
2641 || (f
->display
.x
->text_cursor_kind
!= filled_box_cursor
2642 && f
== x_highlight_frame
)))
2644 f
->phys_cursor_glyph
2645 = ((current_glyphs
->enable
[curs_y
]
2646 && curs_x
< current_glyphs
->used
[curs_y
])
2647 ? current_glyphs
->glyphs
[curs_y
][curs_x
]
2649 if (f
!= x_highlight_frame
)
2652 f
->display
.x
->text_cursor_kind
= hollow_box_cursor
;
2656 x_draw_single_glyph (f
, curs_y
, curs_x
,
2657 f
->phys_cursor_glyph
, 2);
2658 f
->display
.x
->text_cursor_kind
= filled_box_cursor
;
2661 f
->phys_cursor_x
= curs_x
;
2662 f
->phys_cursor_y
= curs_y
;
2665 if (updating_frame
!= f
)
2669 extern Lisp_Object Vbar_cursor
;
2671 x_display_cursor (f
, on
)
2675 if (EQ (Vbar_cursor
, Qnil
))
2676 x_display_box_cursor (f
, on
);
2678 x_display_bar_cursor (f
, on
);
2683 /* Refresh bitmap kitchen sink icon for frame F
2684 when we get an expose event for it. */
2690 /* Normally, the window manager handles this function. */
2694 if (f
->display
.x
->icon_bitmap_flag
)
2695 XBitmapBitsPut (f
->display
.x
->icon_desc
, 0, 0, sink_width
, sink_height
,
2696 sink_bits
, BlackPixel
, WHITE_PIX_DEFAULT
,
2697 icon_bitmap
, GXcopy
, AllPlanes
);
2700 extern struct frame
*selected_frame
;
2701 struct Lisp_String
*str
;
2702 unsigned char *string
;
2705 = XSTRING (XBUFFER (XWINDOW (f
->selected_window
)->buffer
)->name
)->data
;
2707 if (f
->display
.x
->icon_label
!= string
)
2709 f
->display
.x
->icon_label
= string
;
2710 XChangeWindow (f
->display
.x
->icon_desc
,
2711 XQueryWidth (string
, icon_font_info
->id
) + 10,
2712 icon_font_info
->height
+ 10);
2715 XText (f
->display
.x
->icon_desc
, 5, 5, string
,
2716 str
->size
, icon_font_info
->id
,
2717 BLACK_PIX_DEFAULT
, WHITE_PIX_DEFAULT
);
2720 #endif /* HAVE_X11 */
2723 /* Make the x-window of frame F use the kitchen-sink icon
2724 that's a window generated by Emacs. */
2733 if (f
->display
.x
->window_desc
== 0)
2738 XFreePixmap (x_current_display
, icon_bitmap
);
2741 XCreateBitmapFromData (x_current_display
, f
->display
.x
->window_desc
,
2742 gnu_bits
, gnu_width
, gnu_height
);
2743 x_wm_set_icon_pixmap (f
, icon_bitmap
);
2744 f
->display
.x
->icon_bitmap_flag
= 1;
2746 if (f
->display
.x
->icon_desc
)
2748 XClearIconWindow (f
->display
.x
->window_desc
);
2749 XDestroyWindow (f
->display
.x
->icon_desc
);
2752 icon_window
= XCreateWindow (f
->display
.x
->parent_desc
,
2753 0, 0, sink_width
, sink_height
,
2754 2, WhitePixmap
, (Pixmap
) NULL
);
2756 if (icon_window
== 0)
2759 XSetIconWindow (f
->display
.x
->window_desc
, icon_window
);
2760 XSelectInput (icon_window
, ExposeWindow
| UnmapWindow
);
2762 f
->display
.x
->icon_desc
= icon_window
;
2763 f
->display
.x
->icon_bitmap_flag
= 1;
2765 if (icon_bitmap
== 0)
2767 = XStoreBitmap (sink_mask_width
, sink_mask_height
, sink_mask_bits
);
2768 #endif /* HAVE_X11 */
2774 /* Make the x-window of frame F use a rectangle with text. */
2777 x_text_icon (f
, icon_name
)
2785 char *X_DefaultValue
;
2789 #define WhitePixel 1
2793 #define BlackPixel 0
2795 #endif /* not HAVE_X11 */
2797 if (f
->display
.x
->window_desc
== 0)
2800 if (icon_font_info
== 0)
2802 = XGetFont (XGetDefault (XDISPLAY
2803 (char *) XSTRING (invocation_name
)->data
,
2808 f
->display
.x
->icon_label
= icon_name
;
2810 if (! f
->display
.x
->icon_label
)
2811 f
->display
.x
->icon_label
= " *emacs* ";
2813 XSetIconName (x_current_display
, f
->display
.x
->window_desc
,
2814 (char *) f
->display
.x
->icon_label
);
2816 f
->display
.x
->icon_bitmap_flag
= 0;
2818 if (f
->display
.x
->icon_desc
)
2820 XClearIconWindow (XDISPLAY f
->display
.x
->window_desc
);
2821 XDestroyWindow (XDISPLAY f
->display
.x
->icon_desc
);
2825 f
->display
.x
->icon_label
= (unsigned char *) icon_name
;
2827 if (! f
->display
.x
->icon_label
)
2828 f
->display
.x
->icon_label
= XSTRING (f
->name
)->data
;
2830 width
= XStringWidth (f
->display
.x
->icon_label
, icon_font_info
, 0, 0);
2831 icon_window
= XCreateWindow (f
->display
.x
->parent_desc
,
2832 f
->display
.x
->left_pos
,
2833 f
->display
.x
->top_pos
,
2834 width
+ 10, icon_font_info
->height
+ 10,
2835 2, BlackPixmap
, WhitePixmap
);
2837 if (icon_window
== 0)
2840 XSetIconWindow (f
->display
.x
->window_desc
, icon_window
);
2841 XSelectInput (icon_window
, ExposeWindow
| ExposeRegion
| UnmapWindow
| ButtonPressed
);
2843 f
->display
.x
->icon_desc
= icon_window
;
2844 f
->display
.x
->icon_bitmap_flag
= 0;
2845 f
->display
.x
->icon_label
= 0;
2846 #endif /* HAVE_X11 */
2851 /* Handling X errors. */
2853 /* A handler for SIGPIPE, when it occurs on the X server's connection.
2854 This basically does an orderly shutdown of Emacs. */
2861 Fkill_emacs (make_number (70));
2864 static char *x_proto_requests
[] =
2867 "ChangeWindowAttributes",
2868 "GetWindowAttributes",
2870 "DestroySubwindows",
2887 "SetSelectionOwner",
2888 "GetSelectionOwner",
2895 "ChangeActivePointerGrab",
2915 "ListFontsWithInfo",
2924 "SetClipRectangles",
2935 "PolyFillRectangle",
2945 "CopyColormapAndFree",
2947 "UninstallColormap",
2948 "ListInstalledColormaps",
2959 "CreateGlyphCursor",
2965 "ChangeKeyboardMapping",
2966 "GetKeyboardMapping",
2967 "ChangeKeyboardControl",
2968 "GetKeyboardControl",
2970 "ChangePointerControl",
2971 "GetPointerControl",
2981 "SetPointerMapping",
2982 "GetPointerMapping",
2983 "SetModifierMapping",
2984 "GetModifierMapping",
2988 #define acceptable_x_error_p(type) ((type) == 94)
2990 x_handle_error_gracefully (event
)
2993 char error_ptr
[128];
2994 char *proto_ptr
= x_proto_requests
[event
->request_code
];
2997 XGetErrorText (x_current_display
, event
->error_code
, error_ptr
, 128);
2998 sprintf (str
, "X Protocol Error: %s on request: %s", error_ptr
, proto_ptr
);
2999 TOTALLY_UNBLOCK_INPUT
;
3004 extern int x_selection_alloc_error
;
3005 extern int x_converting_selection
;
3008 /* Handle X Errors. If the error is not traumatic,
3009 just call error (). Otherwise print a (hopefully) interesting
3012 The arg to Fkill_emacs is an exit status value
3013 and also prevents any questions. */
3015 x_error_handler (disp
, event
)
3020 #define XlibDisplayIOError (1L << 0)
3023 struct _XErrorEvent
*event
;
3026 /* Here we use the standard X handlers. */
3029 if (event
&& event
->type
== 0) /* 0 is the XError Event type. */
3033 if (event
->request_code
== BadAlloc
&& x_converting_selection
)
3034 x_selection_alloc_error
= 1;
3038 if (acceptable_x_error_p (event
->request_code
))
3039 x_handle_error_gracefully (event
);
3041 _XDefaultError (disp
, event
);
3045 disp
->flags
|= XlibDisplayIOError
;
3046 _XDefaultIOError (disp
);
3054 static unsigned int x_wire_count
;
3057 fprintf (stderr
, "Lib call: %d\n", ++x_wire_count
);
3062 /* Set the font of the x-window specified by frame F
3063 to the font named NEWNAME. This is safe to use
3064 even before F has an actual x-window. */
3068 /* A table of all the fonts we have already loaded. */
3069 static XFontStruct
**x_font_table
;
3071 /* The current capacity of x_font_table. */
3072 static int x_font_table_size
;
3074 /* The number of fonts actually stored in x_font_table.
3075 x_font_table[n] is used and valid iff 0 <= n < n_fonts.
3076 0 <= n_fonts <= x_font_table_size. */
3079 x_new_font (f
, fontname
)
3081 register char *fontname
;
3085 int n_matching_fonts
;
3086 XFontStruct
*font_info
;
3089 /* Get a list of all the fonts that match this name. Once we
3090 have a list of matching fonts, we compare them against the fonts
3091 we already have by comparing font ids. */
3092 font_names
= (char **) XListFontsWithInfo (x_current_display
, fontname
,
3093 1024, &n_matching_fonts
,
3095 /* If the server couldn't find any fonts whose named matched fontname,
3096 return an error code. */
3097 if (n_matching_fonts
== 0)
3100 /* See if we've already loaded a matching font. */
3105 for (i
= 0; i
< n_fonts
; i
++)
3106 for (j
= 0; j
< n_matching_fonts
; j
++)
3107 if (x_font_table
[i
]->fid
== font_info
[j
].fid
)
3115 /* If we have, just return it from the table. */
3117 f
->display
.x
->font
= x_font_table
[already_loaded
];
3119 /* Otherwise, load the font and add it to the table. */
3124 font
= (XFontStruct
*) XLoadQueryFont (x_current_display
, fontname
);
3128 /* Do we need to create the table? */
3129 if (x_font_table_size
== 0)
3131 x_font_table_size
= 16;
3133 = (XFontStruct
**) xmalloc (x_font_table_size
3134 * sizeof (x_font_table
[0]));
3136 /* Do we need to grow the table? */
3137 else if (n_fonts
>= x_font_table_size
)
3139 x_font_table_size
*= 2;
3141 = (XFontStruct
**) xrealloc (x_font_table
,
3143 * sizeof (x_font_table
[0])));
3146 f
->display
.x
->font
= x_font_table
[n_fonts
++] = font
;
3149 /* Free the information from XListFontsWithInfo. The data
3150 we actually retain comes from XLoadQueryFont. */
3151 XFreeFontInfo (font_names
, font_info
, n_matching_fonts
);
3153 /* Now make the frame display the given font. */
3154 if (f
->display
.x
->window_desc
!= 0)
3156 XSetFont (x_current_display
, f
->display
.x
->normal_gc
,
3157 f
->display
.x
->font
->fid
);
3158 XSetFont (x_current_display
, f
->display
.x
->reverse_gc
,
3159 f
->display
.x
->font
->fid
);
3160 XSetFont (x_current_display
, f
->display
.x
->cursor_gc
,
3161 f
->display
.x
->font
->fid
);
3163 x_set_window_size (f
, f
->width
, f
->height
);
3169 x_new_font (f
, newname
)
3171 register char *newname
;
3176 temp
= XGetFont (newname
);
3177 if (temp
== (FONT_TYPE
*) 0)
3180 if (f
->display
.x
->font
)
3181 XLoseFont (f
->display
.x
->font
);
3183 f
->display
.x
->font
= temp
;
3185 if (f
->display
.x
->window_desc
!= 0)
3186 x_set_window_size (f
, f
->width
, f
->height
);
3192 x_calc_absolute_position (f
)
3196 if (f
->display
.x
->left_pos
< 0)
3197 f
->display
.x
->left_pos
3198 = XINT (x_screen_width
) - PIXEL_WIDTH (f
) + f
->display
.x
->left_pos
;
3200 if (f
->display
.x
->top_pos
< 0)
3201 f
->display
.x
->top_pos
3202 = XINT (x_screen_height
) - PIXEL_HEIGHT (f
) + f
->display
.x
->top_pos
;
3204 WINDOWINFO_TYPE parentinfo
;
3206 XGetWindowInfo (f
->display
.x
->window_desc
, &parentinfo
);
3208 if (f
->display
.x
->left_pos
< 0)
3209 f
->display
.x
->left_pos
= parentinfo
.width
+ (f
->display
.x
->left_pos
+ 1)
3210 - PIXEL_WIDTH (f
) - 2 * f
->display
.x
->internal_border_width
;
3212 if (f
->display
.x
->top_pos
< 0)
3213 f
->display
.x
->top_pos
= parentinfo
.height
+ (f
->display
.x
->top_pos
+ 1)
3214 - PIXEL_HEIGHT (f
) - 2 * f
->display
.x
->internal_border_width
;
3218 x_set_offset (f
, xoff
, yoff
)
3220 register int xoff
, yoff
;
3222 f
->display
.x
->top_pos
= yoff
;
3223 f
->display
.x
->left_pos
= xoff
;
3224 x_calc_absolute_position (f
);
3227 XMoveWindow (XDISPLAY f
->display
.x
->window_desc
,
3228 f
->display
.x
->left_pos
, f
->display
.x
->top_pos
);
3230 x_wm_set_size_hint (f
, 0);
3235 /* Call this to change the size of frame F's x-window. */
3237 x_set_window_size (f
, cols
, rows
)
3239 register int cols
, rows
;
3241 int pixelwidth
, pixelheight
;
3243 int ibw
= f
->display
.x
->internal_border_width
;
3247 /* ??? Who DOES worry about minimum reasonable sizes? */
3248 pixelwidth
= (cols
* FONT_WIDTH (f
->display
.x
->font
) + 2 * ibw
3249 + f
->display
.x
->v_scrollbar_width
);
3250 pixelheight
= (rows
* FONT_HEIGHT (f
->display
.x
->font
) + 2 * ibw
3251 + f
->display
.x
->h_scrollbar_height
);
3254 x_wm_set_size_hint (f
, 0);
3255 #endif /* HAVE_X11 */
3256 XChangeWindowSize (f
->display
.x
->window_desc
, pixelwidth
, pixelheight
);
3262 x_set_resize_hint (f
)
3266 XSetResizeHint (f
->display
.x
->window_desc
, 2 * f
->display
.x
->internal_border_width
,
3267 2 * f
->display
.x
->internal_border_width
,
3268 FONT_WIDTH (f
->display
.x
->font
), FONT_HEIGHT (f
->display
.x
->font
));
3270 #endif /* not HAVE_X11 */
3273 x_set_mouse_position (f
, x
, y
)
3282 pix_x
= (FRAME_WIDTH (f
)
3283 * FONT_WIDTH (f
->display
.x
->font
)
3284 + 2 * f
->display
.x
->internal_border_width
3285 + f
->display
.x
->v_scrollbar_width
) / 2;
3287 pix_x
= x
* FONT_WIDTH (f
->display
.x
->font
) + 2; /* add 2 pixels to each
3288 dimension to move the
3293 pix_y
= (FRAME_HEIGHT (f
)
3294 * FONT_HEIGHT (f
->display
.x
->font
)
3295 + 2 * f
->display
.x
->internal_border_width
3296 + f
->display
.x
->h_scrollbar_height
) / 2;
3298 pix_y
= y
* FONT_HEIGHT (f
->display
.x
->font
) + 2;
3304 XWarpMousePointer (f
->display
.x
->window_desc
, pix_x
, pix_y
);
3309 x_focus_on_frame (f
)
3314 /* I don't think that the ICCCM allows programs to do things like this
3315 without the interaction of the window manager. Whatever you end up
3316 doing with this code, do it to x_unfocus_frame too. */
3317 XSetInputFocus (x_current_display
, f
->display
.x
->window_desc
,
3318 RevertToPointerRoot
, CurrentTime
);
3326 /* Look at the remarks in x_focus_on_frame. */
3327 if (x_focus_frame
== f
)
3328 XSetInputFocus (x_current_display
, PointerRoot
,
3329 RevertToPointerRoot
, CurrentTime
);
3335 /* Raise frame F. */
3343 XRaiseWindow (XDISPLAY f
->display
.x
->window_desc
);
3349 /* Lower frame F. */
3357 XLowerWindow (XDISPLAY f
->display
.x
->window_desc
);
3363 /* Change from withdrawn state to mapped state. */
3365 x_make_frame_visible (f
)
3372 if (! FRAME_VISIBLE_P (f
))
3375 if (! EQ (Vx_no_window_manager
, Qt
))
3376 x_wm_set_window_state (f
, NormalState
);
3378 XMapWindow (XDISPLAY f
->display
.x
->window_desc
);
3379 if (f
->display
.x
->v_scrollbar
!= 0 || f
->display
.x
->h_scrollbar
!= 0)
3380 XMapSubwindows (x_current_display
, f
->display
.x
->window_desc
);
3382 XMapWindow (XDISPLAY f
->display
.x
->window_desc
);
3383 if (f
->display
.x
->icon_desc
!= 0)
3384 XUnmapWindow (f
->display
.x
->icon_desc
);
3386 /* Handled by the MapNotify event for X11 */
3390 /* NOTE: this may cause problems for the first frame. */
3392 #endif /* not HAVE_X11 */
3400 /* Change from mapped state to withdrawn state. */
3402 x_make_frame_invisible (f
)
3413 if (! EQ (Vx_no_window_manager
, Qt
))
3417 unmap
.type
= UnmapNotify
;
3418 unmap
.window
= f
->display
.x
->window_desc
;
3419 unmap
.event
= DefaultRootWindow (x_current_display
);
3420 unmap
.from_configure
= False
;
3421 XSendEvent (x_current_display
, DefaultRootWindow (x_current_display
),
3422 False
, SubstructureRedirectMask
|SubstructureNotifyMask
,
3426 /* The new function below does the same as the above code, plus unmapping
3427 the window. Sending the event without actually unmapping can make
3428 the window manager start ignoring the window (i.e., no more title bar,
3429 icon manager stuff.) */
3432 /* New function available with R4 */
3433 if (! XWithdrawWindow (x_current_display
, f
->display
.x
->window_desc
,
3434 DefaultScreen (x_current_display
)))
3436 UNBLOCK_INPUT_RESIGNAL
;
3437 error ("Can't notify window manager of iconification.");
3441 XUnmapWindow (XDISPLAY f
->display
.x
->window_desc
);
3443 f
->visible
= 0; /* Handled by the UnMap event for X11 */
3444 if (f
->display
.x
->icon_desc
!= 0)
3445 XUnmapWindow (XDISPLAY f
->display
.x
->icon_desc
);
3446 #endif /* not HAVE_X11 */
3452 /* Window manager communication. Created in Fx_open_connection. */
3453 extern Atom Xatom_wm_change_state
;
3455 /* Change window state from mapped to iconified. */
3468 if (! EQ (Vx_no_window_manager
, Qt
))
3469 if (! XIconifyWindow (x_current_display
, f
->display
.x
->window_desc
,
3470 DefaultScreen (x_current_display
)))
3472 UNBLOCK_INPUT_RESIGNAL
;
3473 error ("Can't notify window manager of iconification.");
3480 XClientMessageEvent message
;
3482 message
.window
= f
->display
.x
->window_desc
;
3483 message
.type
= ClientMessage
;
3484 message
.message_type
= Xatom_wm_change_state
;
3485 message
.format
= 32;
3486 message
.data
.l
[0] = IconicState
;
3488 if (! XSendEvent (x_current_display
,
3489 DefaultRootWindow (x_current_display
),
3491 SubstructureRedirectMask
| SubstructureNotifyMask
,
3494 UNBLOCK_INPUT_RESIGNAL
;
3495 error ("Can't notify window manager of iconification.");
3500 XUnmapWindow (XDISPLAY f
->display
.x
->window_desc
);
3502 f
->visible
= 0; /* Handled in the UnMap event for X11. */
3503 if (f
->display
.x
->icon_desc
!= 0)
3505 XMapWindow (XDISPLAY f
->display
.x
->icon_desc
);
3514 /* Destroy the X window of frame F.
3515 DISPL is the former f->display (since f->display
3516 has already been nulled out). */
3518 x_destroy_window (f
, displ
)
3520 union display displ
;
3525 if (displ
.x
->icon_desc
!= 0)
3526 XDestroyWindow (XDISPLAY displ
.x
->icon_desc
);
3527 XDestroyWindow (XDISPLAY displ
.x
->window_desc
);
3532 if (f
== x_focus_frame
)
3534 if (f
== x_highlight_frame
)
3535 x_highlight_frame
= 0;
3540 /* Manage event queues.
3542 This code is only used by the X10 support.
3544 We cannot leave events in the X queue and get them when we are ready
3545 because X does not provide a subroutine to get only a certain kind
3546 of event but not block if there are no queued events of that kind.
3548 Therefore, we must examine events as they come in and copy events
3549 of certain kinds into our private queues.
3551 All ExposeRegion events are put in x_expose_queue.
3552 All ButtonPressed and ButtonReleased events are put in x_mouse_queue. */
3555 /* Write the event *P_XREP into the event queue *QUEUE.
3556 If the queue is full, do nothing, but return nonzero. */
3559 enqueue_event (p_xrep
, queue
)
3560 register XEvent
*p_xrep
;
3561 register struct event_queue
*queue
;
3563 int newindex
= queue
->windex
+ 1;
3564 if (newindex
== EVENT_BUFFER_SIZE
)
3566 if (newindex
== queue
->rindex
)
3568 queue
->xrep
[queue
->windex
] = *p_xrep
;
3569 queue
->windex
= newindex
;
3573 /* Fetch the next event from queue *QUEUE and store it in *P_XREP.
3574 If *QUEUE is empty, do nothing and return 0. */
3577 dequeue_event (p_xrep
, queue
)
3578 register XEvent
*p_xrep
;
3579 register struct event_queue
*queue
;
3581 if (queue
->windex
== queue
->rindex
)
3583 *p_xrep
= queue
->xrep
[queue
->rindex
++];
3584 if (queue
->rindex
== EVENT_BUFFER_SIZE
)
3589 /* Return the number of events buffered in *QUEUE. */
3592 queue_event_count (queue
)
3593 register struct event_queue
*queue
;
3595 int tem
= queue
->windex
- queue
->rindex
;
3598 return EVENT_BUFFER_SIZE
+ tem
;
3601 /* Return nonzero if mouse input is pending. */
3604 mouse_event_pending_p ()
3606 return queue_event_count (&x_mouse_queue
);
3612 x_wm_set_size_hint (f
, prompting
)
3616 XSizeHints size_hints
;
3617 Window window
= f
->display
.x
->window_desc
;
3619 size_hints
.flags
= PResizeInc
| PMinSize
| PMaxSize
;
3621 size_hints
.flags
|= PBaseSize
;
3624 flexlines
= f
->height
;
3626 size_hints
.x
= f
->display
.x
->left_pos
;
3627 size_hints
.y
= f
->display
.x
->top_pos
;
3628 size_hints
.height
= PIXEL_HEIGHT (f
);
3629 size_hints
.width
= PIXEL_WIDTH (f
);
3630 size_hints
.width_inc
= FONT_WIDTH (f
->display
.x
->font
);
3631 size_hints
.height_inc
= FONT_HEIGHT (f
->display
.x
->font
);
3632 size_hints
.base_width
= (2 * f
->display
.x
->internal_border_width
)
3633 + f
->display
.x
->v_scrollbar_width
;
3634 size_hints
.base_height
= (2 * f
->display
.x
->internal_border_width
)
3635 + f
->display
.x
->h_scrollbar_height
;
3636 size_hints
.min_width
= size_hints
.base_width
+ size_hints
.width_inc
;
3637 size_hints
.min_height
= size_hints
.base_height
+ size_hints
.height_inc
;
3638 size_hints
.max_width
= x_screen_width
3639 - ((2 * f
->display
.x
->internal_border_width
)
3640 + f
->display
.x
->v_scrollbar_width
);
3641 size_hints
.max_height
= x_screen_height
3642 - ((2 * f
->display
.x
->internal_border_width
)
3643 + f
->display
.x
->h_scrollbar_height
);
3646 size_hints
.flags
|= prompting
;
3649 XSizeHints hints
; /* Sometimes I hate X Windows... */
3651 XGetNormalHints (x_current_display
, window
, &hints
);
3652 if (hints
.flags
& PSize
)
3653 size_hints
.flags
|= PSize
;
3654 if (hints
.flags
& PPosition
)
3655 size_hints
.flags
|= PPosition
;
3656 if (hints
.flags
& USPosition
)
3657 size_hints
.flags
|= USPosition
;
3658 if (hints
.flags
& USSize
)
3659 size_hints
.flags
|= USSize
;
3663 XSetNormalHints (x_current_display
, window
, &size_hints
);
3665 XSetWMNormalHints (x_current_display
, window
, &size_hints
);
3668 /* Used for IconicState or NormalState */
3669 x_wm_set_window_state (f
, state
)
3674 Window window
= f
->display
.x
->window_desc
;
3676 wm_hints
.flags
= StateHint
;
3677 wm_hints
.initial_state
= state
;
3678 XSetWMHints (x_current_display
, window
, &wm_hints
);
3681 x_wm_set_icon_pixmap (f
, icon_pixmap
)
3686 Window window
= f
->display
.x
->window_desc
;
3688 wm_hints
.flags
= IconPixmapHint
;
3689 wm_hints
.icon_pixmap
= icon_pixmap
;
3690 XSetWMHints (x_current_display
, window
, &wm_hints
);
3693 x_wm_set_icon_position (f
, icon_x
, icon_y
)
3698 Window window
= f
->display
.x
->window_desc
;
3700 wm_hints
.flags
= IconPositionHint
;
3701 wm_hints
.icon_x
= icon_x
;
3702 wm_hints
.icon_y
= icon_y
;
3703 XSetWMHints (x_current_display
, window
, &wm_hints
);
3708 x_term_init (display_name
)
3714 extern int old_fcntl_owner
;
3717 x_focus_frame
= x_highlight_frame
= 0;
3719 x_current_display
= XOpenDisplay (display_name
);
3720 if (x_current_display
== 0)
3721 fatal ("X server %s not responding; check the DISPLAY environment variable or use \"-d\"\n",
3726 int hostname_size
= MAXHOSTNAMELEN
+ 1;
3728 hostname
= (char *) xmalloc (hostname_size
);
3731 XSetAfterFunction (x_current_display
, x_trace_wire
);
3734 invocation_name
= Ffile_name_nondirectory (Fcar (Vcommand_line_args
));
3736 /* Try to get the host name; if the buffer is too short, try
3737 again. Apparently, the only indication gethostname gives of
3738 whether the buffer was large enough is the presence or absence
3739 of a '\0' in the string. Eech. */
3742 gethostname (hostname
, hostname_size
- 1);
3743 hostname
[hostname_size
- 1] = '\0';
3745 /* Was the buffer large enough for gethostname to store the '\0'? */
3746 if (strlen (hostname
) < hostname_size
- 1)
3749 hostname_size
<<= 1;
3750 hostname
= (char *) xrealloc (hostname
, hostname_size
);
3752 x_id_name
= (char *) xmalloc (XSTRING (invocation_name
)->size
3755 sprintf (x_id_name
, "%s@%s", XSTRING (invocation_name
)->data
, hostname
);
3758 dup2 (ConnectionNumber (x_current_display
), 0);
3760 #ifndef SYSV_STREAMS
3761 /* Streams somehow keeps track of which descriptor number
3762 is being used to talk to X. So it is not safe to substitute
3763 descriptor 0. But it is safe to make descriptor 0 a copy of it. */
3764 close (ConnectionNumber (x_current_display
));
3765 ConnectionNumber (x_current_display
) = 0; /* Looks a little strange?
3766 * check the def of the macro;
3767 * it is a genuine lvalue */
3768 #endif /* not SYSV_STREAMS */
3770 #endif /* HAVE_X11 */
3773 old_fcntl_owner
= fcntl (0, F_GETOWN
, 0);
3774 #ifdef F_SETOWN_SOCK_NEG
3775 fcntl (0, F_SETOWN
, -getpid ()); /* stdin is a socket here */
3777 fcntl (0, F_SETOWN
, getpid ());
3778 #endif /* F_SETOWN_SOCK_NEG */
3779 #endif /* F_SETOWN */
3785 /* Must use interrupt input because we cannot otherwise
3786 arrange for C-g to be noticed immediately.
3787 We cannot connect it to SIGINT. */
3788 Fset_input_mode (Qt
, Qnil
, Qt
, Qnil
);
3790 expose_all_windows
= 0;
3792 clear_frame_hook
= XTclear_frame
;
3793 clear_end_of_line_hook
= XTclear_end_of_line
;
3794 ins_del_lines_hook
= XTins_del_lines
;
3795 change_line_highlight_hook
= XTchange_line_highlight
;
3796 insert_glyphs_hook
= XTinsert_glyphs
;
3797 write_glyphs_hook
= XTwrite_glyphs
;
3798 delete_glyphs_hook
= XTdelete_glyphs
;
3799 ring_bell_hook
= XTring_bell
;
3800 reset_terminal_modes_hook
= XTreset_terminal_modes
;
3801 set_terminal_modes_hook
= XTset_terminal_modes
;
3802 update_begin_hook
= XTupdate_begin
;
3803 update_end_hook
= XTupdate_end
;
3804 set_terminal_window_hook
= XTset_terminal_window
;
3805 read_socket_hook
= XTread_socket
;
3806 cursor_to_hook
= XTcursor_to
;
3807 reassert_line_highlight_hook
= XTreassert_line_highlight
;
3808 frame_rehighlight_hook
= XTframe_rehighlight
;
3809 mouse_position_hook
= XTmouse_position
;
3811 scroll_region_ok
= 1; /* we'll scroll partial frames */
3812 char_ins_del_ok
= 0; /* just as fast to write the line */
3813 line_ins_del_ok
= 1; /* we'll just blt 'em */
3814 fast_clear_end_of_line
= 1; /* X does this well */
3815 memory_below_frame
= 0; /* we don't remember what scrolls
3819 XHandleError (x_error_handler
);
3820 XHandleIOError (x_error_handler
);
3822 /* Disable Window Change signals; they are handled by X events. */
3824 signal (SIGWINCH
, SIG_DFL
);
3825 #endif /* SIGWINCH */
3827 signal (SIGPIPE
, x_death_handler
);
3833 staticpro (&invocation_name
);
3834 invocation_name
= Qnil
;
3836 #endif /* HAVE_X11 */
3837 #endif /* HAVE_X_WINDOWS */