4 * Copyright © 2003 Keith Packard
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of Keith Packard not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. Keith Packard makes no
13 * representations about the suitability of this software for any purpose. It
14 * is provided "as is" without express or implied warranty.
16 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
26 /* Modified by Matthew Hawn. I don't know what to say here so follow what it
27 says above. Not that I can really do anything about it
40 #include <X11/Xutil.h>
41 #include <X11/Xatom.h>
42 #include <X11/extensions/Xcomposite.h>
43 #include <X11/extensions/Xdamage.h>
44 #include <X11/extensions/Xrender.h>
46 #if COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR >= 2
47 #define HAS_NAME_WINDOW_PIXMAP 1
50 typedef struct _ignore {
52 unsigned long sequence;
58 #if HAS_NAME_WINDOW_PIXMAP
68 XserverRegion borderSize;
69 XserverRegion extents;
77 unsigned long damage_sequence; /* sequence when damage was created */
79 /* for drawing translucent windows */
80 XserverRegion borderClip;
81 struct _win *prev_trans;
84 typedef struct _conv {
89 typedef struct _fade {
94 void (*callback) (Display *dpy, win *w, Bool gone);
106 Picture blackPicture;
107 Picture transBlackPicture;
109 XserverRegion allDamage;
111 #if HAS_NAME_WINDOW_PIXMAP
114 int root_height, root_width;
115 ignore *ignore_head, **ignore_tail = &ignore_head;
116 int xfixes_event, xfixes_error;
117 int damage_event, damage_error;
118 int composite_event, composite_error;
119 int render_event, render_error;
121 /* find these once and be done with it */
124 /* opacity property name; sometime soon I'll write up an EWMH spec for it */
125 #define OPACITY_PROP "_NET_WM_WINDOW_OPACITY"
127 #define TRANSLUCENT 0xe0000000
128 #define OPAQUE 0xffffffff
132 #define WINDOW_SOLID 0
133 #define WINDOW_TRANS 1
134 #define WINDOW_ARGB 2
136 #define TRANS_OPACITY 0.75
138 #define DEBUG_REPAINT 0
139 #define DEBUG_EVENTS 0
140 #define MONITOR_REPAINT 0
143 #define SHARP_SHADOW 0
145 typedef enum _compMode {
146 CompSimple, /* looks like a regular X server */
147 CompServerShadows, /* use window alpha for shadow; sharp, but precise */
148 CompClientShadows, /* use window extents for shadow, blurred */
152 determine_mode(Display *dpy, win *w);
154 CompMode compMode = CompSimple;
156 int shadowRadius = 12;
158 double fade_step = 0.05;
164 get_time_in_milliseconds ()
169 gettimeofday (&tv, &tz);
170 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
178 for (f = fades; f; f = f->next)
187 dequeue_fade (Display *dpy, fade *f)
191 for (prev = &fades; *prev; prev = &(*prev)->next)
196 (*f->callback) (dpy, f->w, f->gone);
203 cleanup_fade (Display *dpy, win *w)
205 fade *f = find_fade (w);
207 dequeue_fade (dpy, f);
211 enqueue_fade (Display *dpy, fade *f)
214 fade_time = get_time_in_milliseconds () + fade_delta;
220 set_fade (Display *dpy, win *w, Bool in,
221 void (*callback) (Display *dpy, win *w, Bool gone),
229 f = malloc (sizeof (fade));
236 enqueue_fade (dpy, f);
241 f->step = -fade_step;
242 f->callback = callback;
244 w->opacity = f->cur * OPAQUE;
246 printf ("set_fade start %g step %g\n", f->cur, f->step);
248 determine_mode (dpy, w);
258 now = get_time_in_milliseconds();
259 delta = fade_time - now;
262 /* printf ("timeout %d\n", delta); */
267 run_fades (Display *dpy)
269 int now = get_time_in_milliseconds();
274 printf ("run fades\n");
276 if (fade_time - now > 0)
278 steps = 1 + (now - fade_time) / fade_delta;
279 for (next = fades; f = next; )
283 f->cur += f->step * steps;
289 printf ("opacity now %g\n", f->cur);
291 w->opacity = f->cur * OPAQUE;
295 dequeue_fade (dpy, f);
300 dequeue_fade (dpy, f);
302 determine_mode (dpy, w);
304 fade_time = now + fade_delta;
307 #define SHADOW_OPACITY 0.75
308 #define SHADOW_OFFSET_X (-shadowRadius * 5 / 4)
309 #define SHADOW_OFFSET_Y (-shadowRadius * 5 / 4)
312 gaussian (double r, double x, double y)
314 return ((1 / (sqrt (2 * M_PI * r))) *
315 exp ((- (x * x + y * y)) / (2 * r * r)));
320 make_gaussian_map (Display *dpy, double r)
323 int size = ((int) ceil ((r * 3)) + 1) & ~1;
324 int center = size / 2;
329 c = malloc (sizeof (conv) + size * size * sizeof (double));
331 c->data = (double *) (c + 1);
333 for (y = 0; y < size; y++)
334 for (x = 0; x < size; x++)
336 g = gaussian (r, (double) (x - center), (double) (y - center));
338 c->data[y * size + x] = g;
340 /* printf ("gaussian total %f\n", t); */
341 for (y = 0; y < size; y++)
342 for (x = 0; x < size; x++)
344 c->data[y*size + x] /= t;
350 * A picture will help
352 * -center 0 width width+center
353 * -center +-----+-------------------+-----+
356 * 0 +-----+-------------------+-----+
360 * height +-----+-------------------+-----+
363 * center +-----+-------------------+-----+
367 sum_gaussian (conv *map, double opacity, int x, int y, int width, int height)
371 double *g_line = map->data;
372 int g_size = map->size;
373 int center = g_size / 2;
374 int fx_start, fx_end;
375 int fy_start, fy_end;
379 * Compute set of filter values which are "in range",
380 * that's the set with:
381 * 0 <= x + (fx-center) && x + (fx-center) < width &&
382 * 0 <= y + (fy-center) && y + (fy-center) < height
384 * 0 <= x + (fx - center) x + fx - center < width
385 * center - x <= fx fx < width + center - x
388 fx_start = center - x;
391 fx_end = width + center - x;
395 fy_start = center - y;
398 fy_end = height + center - y;
402 g_line = g_line + fy_start * g_size + fx_start;
405 for (fy = fy_start; fy < fy_end; fy++)
410 for (fx = fx_start; fx < fx_end; fx++)
416 return ((unsigned char) (v * opacity * 255.0));
420 make_shadow (Display *dpy, double opacity, int width, int height)
424 int gsize = gaussianMap->size;
426 int swidth = width + gsize;
427 int sheight = height + gsize;
428 int center = gsize / 2;
433 data = malloc (swidth * sheight * sizeof (unsigned char));
436 ximage = XCreateImage (dpy,
437 DefaultVisual(dpy, DefaultScreen(dpy)),
442 swidth, sheight, 8, swidth * sizeof (unsigned char));
449 * Build the gaussian in sections
453 * center (fill the complete data array)
456 d = sum_gaussian (gaussianMap, opacity, center, center, width, height);
457 memset(data, d, sheight * swidth);
463 if (ylimit > sheight / 2)
464 ylimit = (sheight + 1) / 2;
466 if (xlimit > swidth / 2)
467 xlimit = (swidth + 1) / 2;
469 for (y = 0; y < ylimit; y++)
470 for (x = 0; x < xlimit; x++)
472 d = sum_gaussian (gaussianMap, opacity, x - center, y - center, width, height);
473 data[y * swidth + x] = d;
474 data[(sheight - y - 1) * swidth + x] = d;
475 data[(sheight - y - 1) * swidth + (swidth - x - 1)] = d;
476 data[y * swidth + (swidth - x - 1)] = d;
482 x_diff = swidth - (gsize * 2);
483 if (x_diff > 0 && ylimit > 0)
485 for (y = 0; y < ylimit; y++)
487 d = sum_gaussian (gaussianMap, opacity, center, y - center, width, height);
488 memset (&data[y * swidth + gsize], d, x_diff);
489 memset (&data[(sheight - y - 1) * swidth + gsize], d, x_diff);
497 for (x = 0; x < xlimit; x++)
499 d = sum_gaussian (gaussianMap, opacity, x - center, center, width, height);
500 for (y = gsize; y < sheight - gsize; y++)
502 data[y * swidth + x] = d;
503 data[y * swidth + (swidth - x - 1)] = d;
511 shadow_picture (Display *dpy, double opacity, int width, int height, int *wp, int *hp)
515 Picture shadowPicture;
518 shadowImage = make_shadow (dpy, opacity, width, height);
521 shadowPixmap = XCreatePixmap (dpy, root,
525 shadowPicture = XRenderCreatePicture (dpy, shadowPixmap,
526 XRenderFindStandardFormat (dpy, PictStandardA8),
528 gc = XCreateGC (dpy, shadowPixmap, 0, 0);
530 XPutImage (dpy, shadowPixmap, gc, shadowImage, 0, 0, 0, 0,
532 shadowImage->height);
533 *wp = shadowImage->width;
534 *hp = shadowImage->height;
536 XDestroyImage (shadowImage);
537 XFreePixmap (dpy, shadowPixmap);
538 return shadowPicture;
542 solid_picture (Display *dpy, Bool argb, double a, double r, double g, double b)
546 XRenderPictureAttributes pa;
549 pixmap = XCreatePixmap (dpy, root, 1, 1, argb ? 32 : 8);
551 picture = XRenderCreatePicture (dpy, pixmap,
552 XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8),
555 c.alpha = a * 0xffff;
557 c.green = g * 0xffff;
559 XRenderFillRectangle (dpy, PictOpSrc, picture, &c, 0, 0, 1, 1);
560 XFreePixmap (dpy, pixmap);
565 discard_ignore (Display *dpy, unsigned long sequence)
569 if ((long) (sequence - ignore_head->sequence) > 0)
571 ignore *next = ignore_head->next;
575 ignore_tail = &ignore_head;
583 set_ignore (Display *dpy, unsigned long sequence)
585 ignore *i = malloc (sizeof (ignore));
588 i->sequence = sequence;
591 ignore_tail = &i->next;
595 should_ignore (Display *dpy, unsigned long sequence)
597 discard_ignore (dpy, sequence);
598 return ignore_head && ignore_head->sequence == sequence;
602 find_win (Display *dpy, Window id)
606 for (w = list; w; w = w->next)
612 static char *backgroundProps[] = {
619 root_tile (Display *dpy)
625 unsigned long nitems;
626 unsigned long bytes_after;
629 XRenderPictureAttributes pa;
633 for (p = 0; backgroundProps[p]; p++)
635 if (XGetWindowProperty (dpy, root, XInternAtom (dpy, backgroundProps[p], False),
636 0, 4, False, AnyPropertyType,
637 &actual_type, &actual_format, &nitems, &bytes_after, &prop) == Success &&
638 actual_type == XInternAtom (dpy, "PIXMAP", False) && actual_format == 32 && nitems == 1)
640 memcpy (&pixmap, prop, 4);
648 pixmap = XCreatePixmap (dpy, root, 1, 1, DefaultDepth (dpy, scr));
652 picture = XRenderCreatePicture (dpy, pixmap,
653 XRenderFindVisualFormat (dpy,
654 DefaultVisual (dpy, scr)),
660 c.red = c.green = c.blue = 0x8080;
662 XRenderFillRectangle (dpy, PictOpSrc, picture, &c,
669 paint_root (Display *dpy)
672 rootTile = root_tile (dpy);
674 XRenderComposite (dpy, PictOpSrc,
675 rootTile, None, rootBuffer,
676 0, 0, 0, 0, 0, 0, root_width, root_height);
680 win_extents (Display *dpy, win *w)
686 r.width = w->a.width + w->a.border_width * 2;
687 r.height = w->a.height + w->a.border_width * 2;
688 if (compMode != CompSimple)
690 if (compMode == CompServerShadows || w->mode != WINDOW_ARGB)
694 if (compMode == CompServerShadows)
698 w->shadow_width = w->a.width;
699 w->shadow_height = w->a.height;
703 w->shadow_dx = SHADOW_OFFSET_X;
704 w->shadow_dy = SHADOW_OFFSET_Y;
707 double opacity = SHADOW_OPACITY;
708 if (w->mode == WINDOW_TRANS)
709 opacity = opacity * TRANS_OPACITY;
710 w->shadow = shadow_picture (dpy, opacity,
711 w->a.width + w->a.border_width * 2,
712 w->a.height + w->a.border_width * 2,
713 &w->shadow_width, &w->shadow_height);
716 sr.x = w->a.x + w->shadow_dx;
717 sr.y = w->a.y + w->shadow_dy;
718 sr.width = w->shadow_width;
719 sr.height = w->shadow_height;
722 r.width = (r.x + r.width) - sr.x;
727 r.height = (r.y + r.height) - sr.y;
730 if (sr.x + sr.width > r.x + r.width)
731 r.width = sr.x + sr.width - r.x;
732 if (sr.y + sr.height > r.y + r.height)
733 r.height = sr.y + sr.height - r.y;
736 return XFixesCreateRegion (dpy, &r, 1);
740 border_size (Display *dpy, win *w)
742 XserverRegion border;
744 * if window doesn't exist anymore, this will generate an error
745 * as well as not generate a region. Perhaps a better XFixes
746 * architecture would be to have a request that copies instead
747 * of creates, that way you'd just end up with an empty region
748 * instead of an invalid XID.
750 set_ignore (dpy, NextRequest (dpy));
751 border = XFixesCreateRegionFromWindow (dpy, w->id, WindowRegionBounding);
753 set_ignore (dpy, NextRequest (dpy));
754 XFixesTranslateRegion (dpy, border,
755 w->a.x + w->a.border_width,
756 w->a.y + w->a.border_width);
761 paint_all (Display *dpy, XserverRegion region)
771 r.width = root_width;
772 r.height = root_height;
773 region = XFixesCreateRegion (dpy, &r, 1);
776 rootBuffer = rootPicture;
780 Pixmap rootPixmap = XCreatePixmap (dpy, root, root_width, root_height,
781 DefaultDepth (dpy, scr));
782 rootBuffer = XRenderCreatePicture (dpy, rootPixmap,
783 XRenderFindVisualFormat (dpy,
784 DefaultVisual (dpy, scr)),
786 XFreePixmap (dpy, rootPixmap);
789 XFixesSetPictureClipRegion (dpy, rootPicture, 0, 0, region);
791 XRenderComposite (dpy, PictOpSrc, blackPicture, None, rootPicture,
792 0, 0, 0, 0, 0, 0, root_width, root_height);
797 for (w = list; w; w = w->next)
799 if (w->a.map_state != IsViewable)
801 /* never painted, ignore it */
806 XRenderPictureAttributes pa;
807 XRenderPictFormat *format;
808 Drawable draw = w->id;
810 #if HAS_NAME_WINDOW_PIXMAP
811 if (hasNamePixmap && !w->pixmap)
812 w->pixmap = XCompositeNameWindowPixmap (dpy, w->id);
816 format = XRenderFindVisualFormat (dpy, w->a.visual);
817 pa.subwindow_mode = IncludeInferiors;
818 w->picture = XRenderCreatePicture (dpy, draw,
824 printf (" 0x%x", w->id);
830 set_ignore (dpy, NextRequest (dpy));
831 XFixesDestroyRegion (dpy, w->borderSize);
832 w->borderSize = None;
836 XFixesDestroyRegion (dpy, w->extents);
841 XFixesDestroyRegion (dpy, w->borderClip);
842 w->borderClip = None;
846 w->borderSize = border_size (dpy, w);
848 w->extents = win_extents (dpy, w);
849 if (w->mode == WINDOW_SOLID)
851 XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, region);
852 set_ignore (dpy, NextRequest (dpy));
853 XFixesSubtractRegion (dpy, region, region, w->borderSize);
854 set_ignore (dpy, NextRequest (dpy));
855 XRenderComposite (dpy, PictOpSrc, w->picture, None, rootBuffer,
857 w->a.x + w->a.border_width,
858 w->a.y + w->a.border_width,
864 w->borderClip = XFixesCreateRegion (dpy, 0, 0);
865 XFixesCopyRegion (dpy, w->borderClip, region);
874 XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, region);
876 for (w = t; w; w = w->prev_trans)
878 XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, w->borderClip);
882 case CompServerShadows:
883 set_ignore (dpy, NextRequest (dpy));
884 if (w->opacity != OPAQUE && !w->shadowPict)
885 w->shadowPict = solid_picture (dpy, True,
886 (double) w->opacity / OPAQUE * 0.3,
888 XRenderComposite (dpy, PictOpOver,
889 w->shadowPict ? w->shadowPict : transBlackPicture,
890 w->picture, rootBuffer,
892 w->a.x + w->shadow_dx,
893 w->a.y + w->shadow_dy,
894 w->shadow_width, w->shadow_height);
896 case CompClientShadows:
899 XRenderComposite (dpy, PictOpOver, blackPicture, w->shadow, rootBuffer,
901 w->a.x + w->shadow_dx,
902 w->a.y + w->shadow_dy,
903 w->shadow_width, w->shadow_height);
907 if (w->opacity != OPAQUE && !w->alphaPict)
908 w->alphaPict = solid_picture (dpy, False,
909 (double) w->opacity / OPAQUE, 0, 0, 0);
910 if (w->mode == WINDOW_TRANS)
912 set_ignore (dpy, NextRequest (dpy));
913 XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
915 w->a.x + w->a.border_width,
916 w->a.y + w->a.border_width,
920 else if (w->mode == WINDOW_ARGB)
922 set_ignore (dpy, NextRequest (dpy));
923 XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
925 w->a.x + w->a.border_width,
926 w->a.y + w->a.border_width,
930 XFixesDestroyRegion (dpy, w->borderClip);
931 w->borderClip = None;
933 XFixesDestroyRegion (dpy, region);
934 if (rootBuffer != rootPicture)
936 XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, None);
937 XRenderComposite (dpy, PictOpSrc, rootBuffer, None, rootPicture,
938 0, 0, 0, 0, 0, 0, root_width, root_height);
943 add_damage (Display *dpy, XserverRegion damage)
947 XFixesUnionRegion (dpy, allDamage, allDamage, damage);
948 XFixesDestroyRegion (dpy, damage);
955 repair_win (Display *dpy, Window id)
957 win *w = find_win (dpy, id);
964 parts = win_extents (dpy, w);
965 set_ignore (dpy, NextRequest (dpy));
966 XDamageSubtract (dpy, w->damage, None, None);
971 parts = XFixesCreateRegion (dpy, 0, 0);
972 set_ignore (dpy, NextRequest (dpy));
973 XDamageSubtract (dpy, w->damage, None, parts);
974 XFixesTranslateRegion (dpy, parts,
975 w->a.x + w->a.border_width,
976 w->a.y + w->a.border_width);
977 if (compMode == CompServerShadows)
979 o = XFixesCreateRegion (dpy, 0, 0);
980 XFixesCopyRegion (dpy, o, parts);
981 XFixesTranslateRegion (dpy, o, w->shadow_dx, w->shadow_dy);
982 XFixesUnionRegion (dpy, parts, parts, o);
983 XFixesDestroyRegion (dpy, o);
986 add_damage (dpy, parts);
991 map_win (Display *dpy, Window id, unsigned long sequence, Bool fade)
993 win *w = find_win (dpy, id);
998 w->a.map_state = IsViewable;
1000 /* make sure we know if property was changed */
1001 XSelectInput(dpy, id, PropertyChangeMask);
1005 if (fade && fadeWindows)
1006 set_fade (dpy, w, True, 0, False);
1010 finish_unmap_win (Display *dpy, win *w)
1012 w->a.map_state = IsUnmapped;
1014 if (w->extents != None)
1016 add_damage (dpy, w->extents); /* destroys region */
1020 #if HAS_NAME_WINDOW_PIXMAP
1023 XFreePixmap (dpy, w->pixmap);
1030 set_ignore (dpy, NextRequest (dpy));
1031 XRenderFreePicture (dpy, w->picture);
1035 /* don't care about properties anymore */
1036 set_ignore (dpy, NextRequest (dpy));
1037 XSelectInput(dpy, w->id, 0);
1041 set_ignore (dpy, NextRequest (dpy));
1042 XFixesDestroyRegion (dpy, w->borderSize);
1043 w->borderSize = None;
1047 XRenderFreePicture (dpy, w->shadow);
1052 XFixesDestroyRegion (dpy, w->borderClip);
1053 w->borderClip = None;
1059 #if HAS_NAME_WINDOW_PIXMAP
1061 unmap_callback (Display *dpy, win *w, Bool gone)
1063 finish_unmap_win (dpy, w);
1068 unmap_win (Display *dpy, Window id, Bool fade)
1070 win *w = find_win (dpy, id);
1073 #if HAS_NAME_WINDOW_PIXMAP
1074 if (w->pixmap && fade && fadeWindows)
1075 set_fade (dpy, w, False, unmap_callback, False);
1078 finish_unmap_win (dpy, w);
1081 /* Get the opacity prop from window
1086 get_opacity_prop(Display *dpy, win *w, unsigned int def)
1090 unsigned long n, left;
1093 XGetWindowProperty(dpy, w->id, opacityAtom, 0L, 1L, False,
1094 XA_CARDINAL, &actual, &format,
1095 &n, &left, (unsigned char **) &data);
1099 memcpy (&i, data, sizeof (unsigned int));
1100 XFree( (void *) data);
1106 /* determine mode for window all in one place.
1107 Future might check for menu flag and other cool things
1111 determine_mode(Display *dpy, win *w)
1114 XRenderPictFormat *format;
1115 unsigned int default_opacity;
1117 /* if trans prop == -1 fall back on previous tests*/
1121 XRenderFreePicture (dpy, w->alphaPict);
1122 w->alphaPict = None;
1126 XRenderFreePicture (dpy, w->shadowPict);
1127 w->shadowPict = None;
1130 if (w->a.class == InputOnly)
1136 format = XRenderFindVisualFormat (dpy, w->a.visual);
1139 if (format && format->type == PictTypeDirect && format->direct.alphaMask)
1143 else if (w->opacity != OPAQUE)
1145 mode = WINDOW_TRANS;
1149 mode = WINDOW_SOLID;
1154 XserverRegion damage;
1155 damage = XFixesCreateRegion (dpy, 0, 0);
1156 XFixesCopyRegion (dpy, damage, w->extents);
1157 add_damage (dpy, damage);
1162 add_win (Display *dpy, Window id, Window prev)
1164 win *new = malloc (sizeof (win));
1171 for (p = &list; *p; p = &(*p)->next)
1172 if ((*p)->id == prev)
1178 set_ignore (dpy, NextRequest (dpy));
1179 if (!XGetWindowAttributes (dpy, id, &new->a))
1185 #if HAS_NAME_WINDOW_PIXMAP
1188 new->picture = None;
1189 if (new->a.class == InputOnly)
1191 new->damage_sequence = 0;
1196 new->damage_sequence = NextRequest (dpy);
1197 new->damage = XDamageCreate (dpy, id, XDamageReportNonEmpty);
1199 new->alphaPict = None;
1200 new->shadowPict = None;
1201 new->borderSize = None;
1202 new->extents = None;
1206 new->shadow_width = 0;
1207 new->shadow_height = 0;
1208 new->opacity = OPAQUE;
1210 new->borderClip = None;
1211 new->prev_trans = 0;
1213 /* moved mode setting to one place */
1214 new->opacity = get_opacity_prop(dpy, new, OPAQUE);
1215 determine_mode (dpy, new);
1219 if (new->a.map_state == IsViewable)
1220 map_win (dpy, id, new->damage_sequence - 1, False);
1224 restack_win (Display *dpy, win *w, Window new_above)
1229 old_above = w->next->id;
1232 if (old_above != new_above)
1237 for (prev = &list; *prev; prev = &(*prev)->next)
1243 for (prev = &list; *prev; prev = &(*prev)->next)
1245 if ((*prev)->id == new_above)
1254 configure_win (Display *dpy, XConfigureEvent *ce)
1256 win *w = find_win (dpy, ce->window);
1258 XserverRegion damage = None;
1262 if (ce->window == root)
1266 XRenderFreePicture (dpy, rootBuffer);
1269 root_width = ce->width;
1270 root_height = ce->height;
1274 if (w->a.map_state == IsViewable)
1276 damage = XFixesCreateRegion (dpy, 0, 0);
1277 if (w->extents != None)
1278 XFixesCopyRegion (dpy, damage, w->extents);
1282 if (w->a.width != ce->width || w->a.height != ce->height)
1284 #if HAS_NAME_WINDOW_PIXMAP
1287 XFreePixmap (dpy, w->pixmap);
1291 XRenderFreePicture (dpy, w->picture);
1298 XRenderFreePicture (dpy, w->shadow);
1302 w->a.width = ce->width;
1303 w->a.height = ce->height;
1304 w->a.border_width = ce->border_width;
1305 w->a.override_redirect = ce->override_redirect;
1306 restack_win (dpy, w, ce->above);
1309 XserverRegion extents = win_extents (dpy, w);
1310 XFixesUnionRegion (dpy, damage, damage, extents);
1311 XFixesDestroyRegion (dpy, extents);
1312 add_damage (dpy, damage);
1318 circulate_win (Display *dpy, XCirculateEvent *ce)
1320 win *w = find_win (dpy, ce->window);
1323 if (ce->place == PlaceOnTop)
1324 new_above = list->id;
1327 restack_win (dpy, w, new_above);
1332 finish_destroy_win (Display *dpy, Window id, Bool gone)
1336 for (prev = &list; (w = *prev); prev = &w->next)
1340 finish_unmap_win (dpy, w);
1344 set_ignore (dpy, NextRequest (dpy));
1345 XRenderFreePicture (dpy, w->picture);
1349 XRenderFreePicture (dpy, w->alphaPict);
1350 w->alphaPict = None;
1354 XRenderFreePicture (dpy, w->shadowPict);
1355 w->shadowPict = None;
1357 if (w->damage != None)
1359 set_ignore (dpy, NextRequest (dpy));
1360 XDamageDestroy (dpy, w->damage);
1362 cleanup_fade (dpy, w);
1368 #if HAS_NAME_WINDOW_PIXMAP
1370 destroy_callback (Display *dpy, win *w, Bool gone)
1372 finish_destroy_win (dpy, w->id, gone);
1377 destroy_win (Display *dpy, Window id, Bool gone, Bool fade)
1379 win *w = find_win (dpy, id);
1380 #if HAS_NAME_WINDOW_PIXMAP
1381 if (w && w->pixmap && fade && fadeWindows)
1382 set_fade (dpy, w, False, destroy_callback, gone);
1386 finish_destroy_win (dpy, id, gone);
1394 printf ("\t%08lx: %d x %d + %d + %d (%d)\n", w->id,
1395 w->a.width, w->a.height, w->a.x, w->a.y, w->a.border_width);
1404 printf ("windows:\n");
1405 for (w = list; w; w = w->next)
1411 damage_win (Display *dpy, XDamageNotifyEvent *de)
1413 repair_win (dpy, de->drawable);
1417 error (Display *dpy, XErrorEvent *ev)
1422 if (should_ignore (dpy, ev->serial))
1426 o = ev->error_code - xfixes_error;
1428 case BadRegion: name = "BadRegion"; break;
1431 o = ev->error_code - damage_error;
1433 case BadDamage: name = "BadDamage"; break;
1436 o = ev->error_code - render_error;
1438 case BadPictFormat: name ="BadPictFormat"; break;
1439 case BadPicture: name ="BadPicture"; break;
1440 case BadPictOp: name ="BadPictOp"; break;
1441 case BadGlyphSet: name ="BadGlyphSet"; break;
1442 case BadGlyph: name ="BadGlyph"; break;
1446 printf ("error %d request %d minor %d serial %d\n",
1447 ev->error_code, ev->request_code, ev->minor_code, ev->serial);
1454 expose_root (Display *dpy, Window root, XRectangle *rects, int nrects)
1456 XserverRegion region = XFixesCreateRegion (dpy, rects, nrects);
1458 add_damage (dpy, region);
1463 ev_serial (XEvent *ev)
1465 if (ev->type & 0x7f != KeymapNotify)
1466 return ev->xany.serial;
1467 return NextRequest (ev->xany.display);
1472 ev_name (XEvent *ev)
1474 static char buf[128];
1475 switch (ev->type & 0x7f) {
1482 case ReparentNotify:
1484 case CirculateNotify:
1487 if (ev->type == damage_event + XDamageNotify)
1489 sprintf (buf, "Event %d", ev->type);
1495 ev_window (XEvent *ev)
1499 return ev->xexpose.window;
1501 return ev->xmap.window;
1503 return ev->xunmap.window;
1504 case ReparentNotify:
1505 return ev->xreparent.window;
1506 case CirculateNotify:
1507 return ev->xcirculate.window;
1509 if (ev->type == damage_event + XDamageNotify)
1510 return ((XDamageNotifyEvent *) ev)->drawable;
1516 usage (char *program)
1518 fprintf (stderr, "usage: %s [-d display] [-n] [-s] [-c]\n", program);
1523 main (int argc, char **argv)
1526 Window root_return, parent_return;
1530 unsigned int nchildren;
1532 XRenderPictureAttributes pa;
1534 XRectangle *expose_rects = 0;
1535 int size_expose = 0;
1542 int composite_major, composite_minor;
1546 while ((o = getopt (argc, argv, "d:scnf")) != -1)
1553 compMode = CompServerShadows;
1556 compMode = CompClientShadows;
1559 compMode = CompSimple;
1570 dpy = XOpenDisplay (display);
1573 fprintf (stderr, "Can't open display\n");
1576 XSetErrorHandler (error);
1578 XSynchronize (dpy, 1);
1580 scr = DefaultScreen (dpy);
1581 root = RootWindow (dpy, scr);
1583 if (!XRenderQueryExtension (dpy, &render_event, &render_error))
1585 fprintf (stderr, "No render extension\n");
1588 if (!XCompositeQueryExtension (dpy, &composite_event, &composite_error))
1590 fprintf (stderr, "No composite extension\n");
1593 XCompositeQueryVersion (dpy, &composite_major, &composite_minor);
1594 #if HAS_NAME_WINDOW_PIXMAP
1595 if (composite_major > 0 || composite_minor >= 2)
1596 hasNamePixmap = True;
1599 if (!XDamageQueryExtension (dpy, &damage_event, &damage_error))
1601 fprintf (stderr, "No damage extension\n");
1604 if (!XFixesQueryExtension (dpy, &xfixes_event, &xfixes_error))
1606 fprintf (stderr, "No XFixes extension\n");
1610 opacityAtom = XInternAtom (dpy, OPACITY_PROP, False);
1612 pa.subwindow_mode = IncludeInferiors;
1614 if (compMode == CompClientShadows)
1615 gaussianMap = make_gaussian_map(dpy, shadowRadius);
1617 root_width = DisplayWidth (dpy, scr);
1618 root_height = DisplayHeight (dpy, scr);
1620 rootPicture = XRenderCreatePicture (dpy, root,
1621 XRenderFindVisualFormat (dpy,
1622 DefaultVisual (dpy, scr)),
1625 blackPicture = solid_picture (dpy, True, 1, 0, 0, 0);
1626 if (compMode == CompServerShadows)
1627 transBlackPicture = solid_picture (dpy, True, 0.3, 0, 0, 0);
1631 XCompositeRedirectSubwindows (dpy, root, CompositeRedirectManual);
1632 XSelectInput (dpy, root,
1633 SubstructureNotifyMask|
1635 StructureNotifyMask|
1636 PropertyChangeMask);
1637 XQueryTree (dpy, root, &root_return, &parent_return, &children, &nchildren);
1638 for (i = 0; i < nchildren; i++)
1639 add_win (dpy, children[i], i ? children[i-1] : None);
1641 XUngrabServer (dpy);
1642 ufd.fd = ConnectionNumber (dpy);
1643 ufd.events = POLLIN;
1644 paint_all (dpy, None);
1651 if (poll (&ufd, 1, fade_timeout()) == 0)
1658 XNextEvent (dpy, &ev);
1659 if (ev.type & 0x7f != KeymapNotify)
1660 discard_ignore (dpy, ev.xany.serial);
1662 printf ("event %10.10s serial 0x%08x window 0x%08x\n",
1663 ev_name(&ev), ev_serial (&ev), ev_window (&ev));
1667 add_win (dpy, ev.xcreatewindow.window, 0);
1669 case ConfigureNotify:
1670 configure_win (dpy, &ev.xconfigure);
1673 destroy_win (dpy, ev.xdestroywindow.window, True, True);
1676 map_win (dpy, ev.xmap.window, ev.xmap.serial, True);
1679 unmap_win (dpy, ev.xunmap.window, True);
1681 case ReparentNotify:
1682 if (ev.xreparent.parent == root)
1683 add_win (dpy, ev.xreparent.window, 0);
1685 destroy_win (dpy, ev.xreparent.window, False, True);
1687 case CirculateNotify:
1688 circulate_win (dpy, &ev.xcirculate);
1691 if (ev.xexpose.window == root)
1693 int more = ev.xexpose.count + 1;
1694 if (n_expose == size_expose)
1698 expose_rects = realloc (expose_rects,
1699 (size_expose + more) *
1700 sizeof (XRectangle));
1701 size_expose += more;
1705 expose_rects = malloc (more * sizeof (XRectangle));
1709 expose_rects[n_expose].x = ev.xexpose.x;
1710 expose_rects[n_expose].y = ev.xexpose.y;
1711 expose_rects[n_expose].width = ev.xexpose.width;
1712 expose_rects[n_expose].height = ev.xexpose.height;
1714 if (ev.xexpose.count == 0)
1716 expose_root (dpy, root, expose_rects, n_expose);
1721 case PropertyNotify:
1722 for (p = 0; backgroundProps[p]; p++)
1724 if (ev.xproperty.atom == XInternAtom (dpy, backgroundProps[p], False))
1728 XClearArea (dpy, root, 0, 0, 0, 0, True);
1729 XRenderFreePicture (dpy, rootTile);
1735 /* check if Trans property was changed */
1736 if (ev.xproperty.atom == opacityAtom)
1738 /* reset mode and redraw window */
1739 win * w = find_win(dpy, ev.xproperty.window);
1742 w->opacity = get_opacity_prop(dpy, w, OPAQUE);
1743 determine_mode(dpy, w);
1748 if (ev.type == damage_event + XDamageNotify)
1749 damage_win (dpy, (XDamageNotifyEvent *) &ev);
1752 } while (QLength (dpy));
1756 paint_all (dpy, allDamage);
1760 clipChanged = False;