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 ()
168 gettimeofday (&tv, NULL);
169 return tv.tv_sec * 1000 + tv.tv_usec / 1000;
177 for (f = fades; f; f = f->next)
186 dequeue_fade (Display *dpy, fade *f)
190 for (prev = &fades; *prev; prev = &(*prev)->next)
195 (*f->callback) (dpy, f->w, f->gone);
202 cleanup_fade (Display *dpy, win *w)
204 fade *f = find_fade (w);
206 dequeue_fade (dpy, f);
210 enqueue_fade (Display *dpy, fade *f)
213 fade_time = get_time_in_milliseconds () + fade_delta;
219 set_fade (Display *dpy, win *w, Bool in,
220 void (*callback) (Display *dpy, win *w, Bool gone),
228 f = malloc (sizeof (fade));
235 enqueue_fade (dpy, f);
240 f->step = -fade_step;
241 f->callback = callback;
243 w->opacity = f->cur * OPAQUE;
245 printf ("set_fade start %g step %g\n", f->cur, f->step);
247 determine_mode (dpy, w);
257 now = get_time_in_milliseconds();
258 delta = fade_time - now;
261 /* printf ("timeout %d\n", delta); */
266 run_fades (Display *dpy)
268 int now = get_time_in_milliseconds();
273 printf ("run fades\n");
275 if (fade_time - now > 0)
277 steps = 1 + (now - fade_time) / fade_delta;
278 for (next = fades; f = next; )
282 f->cur += f->step * steps;
288 printf ("opacity now %g\n", f->cur);
290 w->opacity = f->cur * OPAQUE;
294 dequeue_fade (dpy, f);
299 dequeue_fade (dpy, f);
301 determine_mode (dpy, w);
303 fade_time = now + fade_delta;
306 #define SHADOW_OPACITY 0.75
307 #define SHADOW_OFFSET_X (-shadowRadius * 5 / 4)
308 #define SHADOW_OFFSET_Y (-shadowRadius * 5 / 4)
311 gaussian (double r, double x, double y)
313 return ((1 / (sqrt (2 * M_PI * r))) *
314 exp ((- (x * x + y * y)) / (2 * r * r)));
319 make_gaussian_map (Display *dpy, double r)
322 int size = ((int) ceil ((r * 3)) + 1) & ~1;
323 int center = size / 2;
328 c = malloc (sizeof (conv) + size * size * sizeof (double));
330 c->data = (double *) (c + 1);
332 for (y = 0; y < size; y++)
333 for (x = 0; x < size; x++)
335 g = gaussian (r, (double) (x - center), (double) (y - center));
337 c->data[y * size + x] = g;
339 /* printf ("gaussian total %f\n", t); */
340 for (y = 0; y < size; y++)
341 for (x = 0; x < size; x++)
343 c->data[y*size + x] /= t;
349 * A picture will help
351 * -center 0 width width+center
352 * -center +-----+-------------------+-----+
355 * 0 +-----+-------------------+-----+
359 * height +-----+-------------------+-----+
362 * center +-----+-------------------+-----+
366 sum_gaussian (conv *map, double opacity, int x, int y, int width, int height)
370 double *g_line = map->data;
371 int g_size = map->size;
372 int center = g_size / 2;
373 int fx_start, fx_end;
374 int fy_start, fy_end;
378 * Compute set of filter values which are "in range",
379 * that's the set with:
380 * 0 <= x + (fx-center) && x + (fx-center) < width &&
381 * 0 <= y + (fy-center) && y + (fy-center) < height
383 * 0 <= x + (fx - center) x + fx - center < width
384 * center - x <= fx fx < width + center - x
387 fx_start = center - x;
390 fx_end = width + center - x;
394 fy_start = center - y;
397 fy_end = height + center - y;
401 g_line = g_line + fy_start * g_size + fx_start;
404 for (fy = fy_start; fy < fy_end; fy++)
409 for (fx = fx_start; fx < fx_end; fx++)
415 return ((unsigned char) (v * opacity * 255.0));
419 make_shadow (Display *dpy, double opacity, int width, int height)
423 int gsize = gaussianMap->size;
425 int swidth = width + gsize;
426 int sheight = height + gsize;
427 int center = gsize / 2;
432 data = malloc (swidth * sheight * sizeof (unsigned char));
435 ximage = XCreateImage (dpy,
436 DefaultVisual(dpy, DefaultScreen(dpy)),
441 swidth, sheight, 8, swidth * sizeof (unsigned char));
448 * Build the gaussian in sections
452 * center (fill the complete data array)
455 d = sum_gaussian (gaussianMap, opacity, center, center, width, height);
456 memset(data, d, sheight * swidth);
462 if (ylimit > sheight / 2)
463 ylimit = (sheight + 1) / 2;
465 if (xlimit > swidth / 2)
466 xlimit = (swidth + 1) / 2;
468 for (y = 0; y < ylimit; y++)
469 for (x = 0; x < xlimit; x++)
471 d = sum_gaussian (gaussianMap, opacity, x - center, y - center, width, height);
472 data[y * swidth + x] = d;
473 data[(sheight - y - 1) * swidth + x] = d;
474 data[(sheight - y - 1) * swidth + (swidth - x - 1)] = d;
475 data[y * swidth + (swidth - x - 1)] = d;
481 x_diff = swidth - (gsize * 2);
482 if (x_diff > 0 && ylimit > 0)
484 for (y = 0; y < ylimit; y++)
486 d = sum_gaussian (gaussianMap, opacity, center, y - center, width, height);
487 memset (&data[y * swidth + gsize], d, x_diff);
488 memset (&data[(sheight - y - 1) * swidth + gsize], d, x_diff);
496 for (x = 0; x < xlimit; x++)
498 d = sum_gaussian (gaussianMap, opacity, x - center, center, width, height);
499 for (y = gsize; y < sheight - gsize; y++)
501 data[y * swidth + x] = d;
502 data[y * swidth + (swidth - x - 1)] = d;
510 shadow_picture (Display *dpy, double opacity, int width, int height, int *wp, int *hp)
514 Picture shadowPicture;
517 shadowImage = make_shadow (dpy, opacity, width, height);
520 shadowPixmap = XCreatePixmap (dpy, root,
524 shadowPicture = XRenderCreatePicture (dpy, shadowPixmap,
525 XRenderFindStandardFormat (dpy, PictStandardA8),
527 gc = XCreateGC (dpy, shadowPixmap, 0, 0);
529 XPutImage (dpy, shadowPixmap, gc, shadowImage, 0, 0, 0, 0,
531 shadowImage->height);
532 *wp = shadowImage->width;
533 *hp = shadowImage->height;
535 XDestroyImage (shadowImage);
536 XFreePixmap (dpy, shadowPixmap);
537 return shadowPicture;
541 solid_picture (Display *dpy, Bool argb, double a, double r, double g, double b)
545 XRenderPictureAttributes pa;
548 pixmap = XCreatePixmap (dpy, root, 1, 1, argb ? 32 : 8);
550 picture = XRenderCreatePicture (dpy, pixmap,
551 XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8),
554 c.alpha = a * 0xffff;
556 c.green = g * 0xffff;
558 XRenderFillRectangle (dpy, PictOpSrc, picture, &c, 0, 0, 1, 1);
559 XFreePixmap (dpy, pixmap);
564 discard_ignore (Display *dpy, unsigned long sequence)
568 if ((long) (sequence - ignore_head->sequence) > 0)
570 ignore *next = ignore_head->next;
574 ignore_tail = &ignore_head;
582 set_ignore (Display *dpy, unsigned long sequence)
584 ignore *i = malloc (sizeof (ignore));
587 i->sequence = sequence;
590 ignore_tail = &i->next;
594 should_ignore (Display *dpy, unsigned long sequence)
596 discard_ignore (dpy, sequence);
597 return ignore_head && ignore_head->sequence == sequence;
601 find_win (Display *dpy, Window id)
605 for (w = list; w; w = w->next)
611 static char *backgroundProps[] = {
618 root_tile (Display *dpy)
624 unsigned long nitems;
625 unsigned long bytes_after;
628 XRenderPictureAttributes pa;
632 for (p = 0; backgroundProps[p]; p++)
634 if (XGetWindowProperty (dpy, root, XInternAtom (dpy, backgroundProps[p], False),
635 0, 4, False, AnyPropertyType,
636 &actual_type, &actual_format, &nitems, &bytes_after, &prop) == Success &&
637 actual_type == XInternAtom (dpy, "PIXMAP", False) && actual_format == 32 && nitems == 1)
639 memcpy (&pixmap, prop, 4);
647 pixmap = XCreatePixmap (dpy, root, 1, 1, DefaultDepth (dpy, scr));
651 picture = XRenderCreatePicture (dpy, pixmap,
652 XRenderFindVisualFormat (dpy,
653 DefaultVisual (dpy, scr)),
659 c.red = c.green = c.blue = 0x8080;
661 XRenderFillRectangle (dpy, PictOpSrc, picture, &c,
668 paint_root (Display *dpy)
671 rootTile = root_tile (dpy);
673 XRenderComposite (dpy, PictOpSrc,
674 rootTile, None, rootBuffer,
675 0, 0, 0, 0, 0, 0, root_width, root_height);
679 win_extents (Display *dpy, win *w)
685 r.width = w->a.width + w->a.border_width * 2;
686 r.height = w->a.height + w->a.border_width * 2;
687 if (compMode != CompSimple)
689 if (compMode == CompServerShadows || w->mode != WINDOW_ARGB)
693 if (compMode == CompServerShadows)
697 w->shadow_width = w->a.width;
698 w->shadow_height = w->a.height;
702 w->shadow_dx = SHADOW_OFFSET_X;
703 w->shadow_dy = SHADOW_OFFSET_Y;
706 double opacity = SHADOW_OPACITY;
707 if (w->mode == WINDOW_TRANS)
708 opacity = opacity * TRANS_OPACITY;
709 w->shadow = shadow_picture (dpy, opacity,
710 w->a.width + w->a.border_width * 2,
711 w->a.height + w->a.border_width * 2,
712 &w->shadow_width, &w->shadow_height);
715 sr.x = w->a.x + w->shadow_dx;
716 sr.y = w->a.y + w->shadow_dy;
717 sr.width = w->shadow_width;
718 sr.height = w->shadow_height;
721 r.width = (r.x + r.width) - sr.x;
726 r.height = (r.y + r.height) - sr.y;
729 if (sr.x + sr.width > r.x + r.width)
730 r.width = sr.x + sr.width - r.x;
731 if (sr.y + sr.height > r.y + r.height)
732 r.height = sr.y + sr.height - r.y;
735 return XFixesCreateRegion (dpy, &r, 1);
739 border_size (Display *dpy, win *w)
741 XserverRegion border;
743 * if window doesn't exist anymore, this will generate an error
744 * as well as not generate a region. Perhaps a better XFixes
745 * architecture would be to have a request that copies instead
746 * of creates, that way you'd just end up with an empty region
747 * instead of an invalid XID.
749 set_ignore (dpy, NextRequest (dpy));
750 border = XFixesCreateRegionFromWindow (dpy, w->id, WindowRegionBounding);
752 set_ignore (dpy, NextRequest (dpy));
753 XFixesTranslateRegion (dpy, border,
754 w->a.x + w->a.border_width,
755 w->a.y + w->a.border_width);
760 paint_all (Display *dpy, XserverRegion region)
770 r.width = root_width;
771 r.height = root_height;
772 region = XFixesCreateRegion (dpy, &r, 1);
775 rootBuffer = rootPicture;
779 Pixmap rootPixmap = XCreatePixmap (dpy, root, root_width, root_height,
780 DefaultDepth (dpy, scr));
781 rootBuffer = XRenderCreatePicture (dpy, rootPixmap,
782 XRenderFindVisualFormat (dpy,
783 DefaultVisual (dpy, scr)),
785 XFreePixmap (dpy, rootPixmap);
788 XFixesSetPictureClipRegion (dpy, rootPicture, 0, 0, region);
790 XRenderComposite (dpy, PictOpSrc, blackPicture, None, rootPicture,
791 0, 0, 0, 0, 0, 0, root_width, root_height);
796 for (w = list; w; w = w->next)
798 if (w->a.map_state != IsViewable)
800 /* never painted, ignore it */
805 XRenderPictureAttributes pa;
806 XRenderPictFormat *format;
807 Drawable draw = w->id;
809 #if HAS_NAME_WINDOW_PIXMAP
810 if (hasNamePixmap && !w->pixmap)
811 w->pixmap = XCompositeNameWindowPixmap (dpy, w->id);
815 format = XRenderFindVisualFormat (dpy, w->a.visual);
816 pa.subwindow_mode = IncludeInferiors;
817 w->picture = XRenderCreatePicture (dpy, draw,
823 printf (" 0x%x", w->id);
829 set_ignore (dpy, NextRequest (dpy));
830 XFixesDestroyRegion (dpy, w->borderSize);
831 w->borderSize = None;
835 XFixesDestroyRegion (dpy, w->extents);
840 XFixesDestroyRegion (dpy, w->borderClip);
841 w->borderClip = None;
845 w->borderSize = border_size (dpy, w);
847 w->extents = win_extents (dpy, w);
848 if (w->mode == WINDOW_SOLID)
850 XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, region);
851 set_ignore (dpy, NextRequest (dpy));
852 XFixesSubtractRegion (dpy, region, region, w->borderSize);
853 set_ignore (dpy, NextRequest (dpy));
854 XRenderComposite (dpy, PictOpSrc, w->picture, None, rootBuffer,
856 w->a.x + w->a.border_width,
857 w->a.y + w->a.border_width,
863 w->borderClip = XFixesCreateRegion (dpy, 0, 0);
864 XFixesCopyRegion (dpy, w->borderClip, region);
873 XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, region);
875 for (w = t; w; w = w->prev_trans)
877 XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, w->borderClip);
881 case CompServerShadows:
882 set_ignore (dpy, NextRequest (dpy));
883 if (w->opacity != OPAQUE && !w->shadowPict)
884 w->shadowPict = solid_picture (dpy, True,
885 (double) w->opacity / OPAQUE * 0.3,
887 XRenderComposite (dpy, PictOpOver,
888 w->shadowPict ? w->shadowPict : transBlackPicture,
889 w->picture, rootBuffer,
891 w->a.x + w->shadow_dx,
892 w->a.y + w->shadow_dy,
893 w->shadow_width, w->shadow_height);
895 case CompClientShadows:
898 XRenderComposite (dpy, PictOpOver, blackPicture, w->shadow, rootBuffer,
900 w->a.x + w->shadow_dx,
901 w->a.y + w->shadow_dy,
902 w->shadow_width, w->shadow_height);
906 if (w->opacity != OPAQUE && !w->alphaPict)
907 w->alphaPict = solid_picture (dpy, False,
908 (double) w->opacity / OPAQUE, 0, 0, 0);
909 if (w->mode == WINDOW_TRANS)
911 set_ignore (dpy, NextRequest (dpy));
912 XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
914 w->a.x + w->a.border_width,
915 w->a.y + w->a.border_width,
919 else if (w->mode == WINDOW_ARGB)
921 set_ignore (dpy, NextRequest (dpy));
922 XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
924 w->a.x + w->a.border_width,
925 w->a.y + w->a.border_width,
929 XFixesDestroyRegion (dpy, w->borderClip);
930 w->borderClip = None;
932 XFixesDestroyRegion (dpy, region);
933 if (rootBuffer != rootPicture)
935 XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, None);
936 XRenderComposite (dpy, PictOpSrc, rootBuffer, None, rootPicture,
937 0, 0, 0, 0, 0, 0, root_width, root_height);
942 add_damage (Display *dpy, XserverRegion damage)
946 XFixesUnionRegion (dpy, allDamage, allDamage, damage);
947 XFixesDestroyRegion (dpy, damage);
954 repair_win (Display *dpy, Window id)
956 win *w = find_win (dpy, id);
963 parts = win_extents (dpy, w);
964 set_ignore (dpy, NextRequest (dpy));
965 XDamageSubtract (dpy, w->damage, None, None);
970 parts = XFixesCreateRegion (dpy, 0, 0);
971 set_ignore (dpy, NextRequest (dpy));
972 XDamageSubtract (dpy, w->damage, None, parts);
973 XFixesTranslateRegion (dpy, parts,
974 w->a.x + w->a.border_width,
975 w->a.y + w->a.border_width);
976 if (compMode == CompServerShadows)
978 o = XFixesCreateRegion (dpy, 0, 0);
979 XFixesCopyRegion (dpy, o, parts);
980 XFixesTranslateRegion (dpy, o, w->shadow_dx, w->shadow_dy);
981 XFixesUnionRegion (dpy, parts, parts, o);
982 XFixesDestroyRegion (dpy, o);
985 add_damage (dpy, parts);
990 map_win (Display *dpy, Window id, unsigned long sequence, Bool fade)
992 win *w = find_win (dpy, id);
997 w->a.map_state = IsViewable;
999 /* make sure we know if property was changed */
1000 XSelectInput(dpy, id, PropertyChangeMask);
1004 if (fade && fadeWindows)
1005 set_fade (dpy, w, True, 0, False);
1009 finish_unmap_win (Display *dpy, win *w)
1011 w->a.map_state = IsUnmapped;
1013 if (w->extents != None)
1015 add_damage (dpy, w->extents); /* destroys region */
1019 #if HAS_NAME_WINDOW_PIXMAP
1022 XFreePixmap (dpy, w->pixmap);
1029 set_ignore (dpy, NextRequest (dpy));
1030 XRenderFreePicture (dpy, w->picture);
1034 /* don't care about properties anymore */
1035 set_ignore (dpy, NextRequest (dpy));
1036 XSelectInput(dpy, w->id, 0);
1040 set_ignore (dpy, NextRequest (dpy));
1041 XFixesDestroyRegion (dpy, w->borderSize);
1042 w->borderSize = None;
1046 XRenderFreePicture (dpy, w->shadow);
1051 XFixesDestroyRegion (dpy, w->borderClip);
1052 w->borderClip = None;
1058 #if HAS_NAME_WINDOW_PIXMAP
1060 unmap_callback (Display *dpy, win *w, Bool gone)
1062 finish_unmap_win (dpy, w);
1067 unmap_win (Display *dpy, Window id, Bool fade)
1069 win *w = find_win (dpy, id);
1072 #if HAS_NAME_WINDOW_PIXMAP
1073 if (w->pixmap && fade && fadeWindows)
1074 set_fade (dpy, w, False, unmap_callback, False);
1077 finish_unmap_win (dpy, w);
1080 /* Get the opacity prop from window
1085 get_opacity_prop(Display *dpy, win *w, unsigned int def)
1089 unsigned long n, left;
1092 XGetWindowProperty(dpy, w->id, opacityAtom, 0L, 1L, False,
1093 XA_CARDINAL, &actual, &format,
1094 &n, &left, (unsigned char **) &data);
1098 memcpy (&i, data, sizeof (unsigned int));
1099 XFree( (void *) data);
1105 /* determine mode for window all in one place.
1106 Future might check for menu flag and other cool things
1110 determine_mode(Display *dpy, win *w)
1113 XRenderPictFormat *format;
1114 unsigned int default_opacity;
1116 /* if trans prop == -1 fall back on previous tests*/
1120 XRenderFreePicture (dpy, w->alphaPict);
1121 w->alphaPict = None;
1125 XRenderFreePicture (dpy, w->shadowPict);
1126 w->shadowPict = None;
1129 if (w->a.class == InputOnly)
1135 format = XRenderFindVisualFormat (dpy, w->a.visual);
1138 if (format && format->type == PictTypeDirect && format->direct.alphaMask)
1142 else if (w->opacity != OPAQUE)
1144 mode = WINDOW_TRANS;
1148 mode = WINDOW_SOLID;
1153 XserverRegion damage;
1154 damage = XFixesCreateRegion (dpy, 0, 0);
1155 XFixesCopyRegion (dpy, damage, w->extents);
1156 add_damage (dpy, damage);
1161 add_win (Display *dpy, Window id, Window prev)
1163 win *new = malloc (sizeof (win));
1170 for (p = &list; *p; p = &(*p)->next)
1171 if ((*p)->id == prev)
1177 set_ignore (dpy, NextRequest (dpy));
1178 if (!XGetWindowAttributes (dpy, id, &new->a))
1184 #if HAS_NAME_WINDOW_PIXMAP
1187 new->picture = None;
1188 if (new->a.class == InputOnly)
1190 new->damage_sequence = 0;
1195 new->damage_sequence = NextRequest (dpy);
1196 new->damage = XDamageCreate (dpy, id, XDamageReportNonEmpty);
1198 new->alphaPict = None;
1199 new->shadowPict = None;
1200 new->borderSize = None;
1201 new->extents = None;
1205 new->shadow_width = 0;
1206 new->shadow_height = 0;
1207 new->opacity = OPAQUE;
1209 new->borderClip = None;
1210 new->prev_trans = 0;
1212 /* moved mode setting to one place */
1213 new->opacity = get_opacity_prop(dpy, new, OPAQUE);
1214 determine_mode (dpy, new);
1218 if (new->a.map_state == IsViewable)
1219 map_win (dpy, id, new->damage_sequence - 1, False);
1223 restack_win (Display *dpy, win *w, Window new_above)
1228 old_above = w->next->id;
1231 if (old_above != new_above)
1236 for (prev = &list; *prev; prev = &(*prev)->next)
1242 for (prev = &list; *prev; prev = &(*prev)->next)
1244 if ((*prev)->id == new_above)
1253 configure_win (Display *dpy, XConfigureEvent *ce)
1255 win *w = find_win (dpy, ce->window);
1257 XserverRegion damage = None;
1261 if (ce->window == root)
1265 XRenderFreePicture (dpy, rootBuffer);
1268 root_width = ce->width;
1269 root_height = ce->height;
1273 if (w->a.map_state == IsViewable)
1275 damage = XFixesCreateRegion (dpy, 0, 0);
1276 if (w->extents != None)
1277 XFixesCopyRegion (dpy, damage, w->extents);
1281 if (w->a.width != ce->width || w->a.height != ce->height)
1283 #if HAS_NAME_WINDOW_PIXMAP
1286 XFreePixmap (dpy, w->pixmap);
1290 XRenderFreePicture (dpy, w->picture);
1297 XRenderFreePicture (dpy, w->shadow);
1301 w->a.width = ce->width;
1302 w->a.height = ce->height;
1303 w->a.border_width = ce->border_width;
1304 w->a.override_redirect = ce->override_redirect;
1305 restack_win (dpy, w, ce->above);
1308 XserverRegion extents = win_extents (dpy, w);
1309 XFixesUnionRegion (dpy, damage, damage, extents);
1310 XFixesDestroyRegion (dpy, extents);
1311 add_damage (dpy, damage);
1317 circulate_win (Display *dpy, XCirculateEvent *ce)
1319 win *w = find_win (dpy, ce->window);
1322 if (ce->place == PlaceOnTop)
1323 new_above = list->id;
1326 restack_win (dpy, w, new_above);
1331 finish_destroy_win (Display *dpy, Window id, Bool gone)
1335 for (prev = &list; (w = *prev); prev = &w->next)
1339 finish_unmap_win (dpy, w);
1343 set_ignore (dpy, NextRequest (dpy));
1344 XRenderFreePicture (dpy, w->picture);
1348 XRenderFreePicture (dpy, w->alphaPict);
1349 w->alphaPict = None;
1353 XRenderFreePicture (dpy, w->shadowPict);
1354 w->shadowPict = None;
1356 if (w->damage != None)
1358 set_ignore (dpy, NextRequest (dpy));
1359 XDamageDestroy (dpy, w->damage);
1361 cleanup_fade (dpy, w);
1367 #if HAS_NAME_WINDOW_PIXMAP
1369 destroy_callback (Display *dpy, win *w, Bool gone)
1371 finish_destroy_win (dpy, w->id, gone);
1376 destroy_win (Display *dpy, Window id, Bool gone, Bool fade)
1378 win *w = find_win (dpy, id);
1379 #if HAS_NAME_WINDOW_PIXMAP
1380 if (w && w->pixmap && fade && fadeWindows)
1381 set_fade (dpy, w, False, destroy_callback, gone);
1385 finish_destroy_win (dpy, id, gone);
1393 printf ("\t%08lx: %d x %d + %d + %d (%d)\n", w->id,
1394 w->a.width, w->a.height, w->a.x, w->a.y, w->a.border_width);
1403 printf ("windows:\n");
1404 for (w = list; w; w = w->next)
1410 damage_win (Display *dpy, XDamageNotifyEvent *de)
1412 repair_win (dpy, de->drawable);
1416 error (Display *dpy, XErrorEvent *ev)
1421 if (should_ignore (dpy, ev->serial))
1425 o = ev->error_code - xfixes_error;
1427 case BadRegion: name = "BadRegion"; break;
1430 o = ev->error_code - damage_error;
1432 case BadDamage: name = "BadDamage"; break;
1435 o = ev->error_code - render_error;
1437 case BadPictFormat: name ="BadPictFormat"; break;
1438 case BadPicture: name ="BadPicture"; break;
1439 case BadPictOp: name ="BadPictOp"; break;
1440 case BadGlyphSet: name ="BadGlyphSet"; break;
1441 case BadGlyph: name ="BadGlyph"; break;
1445 printf ("error %d request %d minor %d serial %d\n",
1446 ev->error_code, ev->request_code, ev->minor_code, ev->serial);
1453 expose_root (Display *dpy, Window root, XRectangle *rects, int nrects)
1455 XserverRegion region = XFixesCreateRegion (dpy, rects, nrects);
1457 add_damage (dpy, region);
1462 ev_serial (XEvent *ev)
1464 if (ev->type & 0x7f != KeymapNotify)
1465 return ev->xany.serial;
1466 return NextRequest (ev->xany.display);
1471 ev_name (XEvent *ev)
1473 static char buf[128];
1474 switch (ev->type & 0x7f) {
1481 case ReparentNotify:
1483 case CirculateNotify:
1486 if (ev->type == damage_event + XDamageNotify)
1488 sprintf (buf, "Event %d", ev->type);
1494 ev_window (XEvent *ev)
1498 return ev->xexpose.window;
1500 return ev->xmap.window;
1502 return ev->xunmap.window;
1503 case ReparentNotify:
1504 return ev->xreparent.window;
1505 case CirculateNotify:
1506 return ev->xcirculate.window;
1508 if (ev->type == damage_event + XDamageNotify)
1509 return ((XDamageNotifyEvent *) ev)->drawable;
1515 usage (char *program)
1517 fprintf (stderr, "usage: %s [-d display] [-n] [-s] [-c]\n", program);
1522 main (int argc, char **argv)
1525 Window root_return, parent_return;
1529 unsigned int nchildren;
1531 XRenderPictureAttributes pa;
1533 XRectangle *expose_rects = 0;
1534 int size_expose = 0;
1541 int composite_major, composite_minor;
1545 while ((o = getopt (argc, argv, "d:scnf")) != -1)
1552 compMode = CompServerShadows;
1555 compMode = CompClientShadows;
1558 compMode = CompSimple;
1569 dpy = XOpenDisplay (display);
1572 fprintf (stderr, "Can't open display\n");
1575 XSetErrorHandler (error);
1577 XSynchronize (dpy, 1);
1579 scr = DefaultScreen (dpy);
1580 root = RootWindow (dpy, scr);
1582 if (!XRenderQueryExtension (dpy, &render_event, &render_error))
1584 fprintf (stderr, "No render extension\n");
1587 if (!XCompositeQueryExtension (dpy, &composite_event, &composite_error))
1589 fprintf (stderr, "No composite extension\n");
1592 XCompositeQueryVersion (dpy, &composite_major, &composite_minor);
1593 #if HAS_NAME_WINDOW_PIXMAP
1594 if (composite_major > 0 || composite_minor >= 2)
1595 hasNamePixmap = True;
1598 if (!XDamageQueryExtension (dpy, &damage_event, &damage_error))
1600 fprintf (stderr, "No damage extension\n");
1603 if (!XFixesQueryExtension (dpy, &xfixes_event, &xfixes_error))
1605 fprintf (stderr, "No XFixes extension\n");
1609 opacityAtom = XInternAtom (dpy, OPACITY_PROP, False);
1611 pa.subwindow_mode = IncludeInferiors;
1613 if (compMode == CompClientShadows)
1614 gaussianMap = make_gaussian_map(dpy, shadowRadius);
1616 root_width = DisplayWidth (dpy, scr);
1617 root_height = DisplayHeight (dpy, scr);
1619 rootPicture = XRenderCreatePicture (dpy, root,
1620 XRenderFindVisualFormat (dpy,
1621 DefaultVisual (dpy, scr)),
1624 blackPicture = solid_picture (dpy, True, 1, 0, 0, 0);
1625 if (compMode == CompServerShadows)
1626 transBlackPicture = solid_picture (dpy, True, 0.3, 0, 0, 0);
1630 XCompositeRedirectSubwindows (dpy, root, CompositeRedirectManual);
1631 XSelectInput (dpy, root,
1632 SubstructureNotifyMask|
1634 StructureNotifyMask|
1635 PropertyChangeMask);
1636 XQueryTree (dpy, root, &root_return, &parent_return, &children, &nchildren);
1637 for (i = 0; i < nchildren; i++)
1638 add_win (dpy, children[i], i ? children[i-1] : None);
1640 XUngrabServer (dpy);
1641 ufd.fd = ConnectionNumber (dpy);
1642 ufd.events = POLLIN;
1643 paint_all (dpy, None);
1650 if (poll (&ufd, 1, fade_timeout()) == 0)
1657 XNextEvent (dpy, &ev);
1658 if (ev.type & 0x7f != KeymapNotify)
1659 discard_ignore (dpy, ev.xany.serial);
1661 printf ("event %10.10s serial 0x%08x window 0x%08x\n",
1662 ev_name(&ev), ev_serial (&ev), ev_window (&ev));
1666 add_win (dpy, ev.xcreatewindow.window, 0);
1668 case ConfigureNotify:
1669 configure_win (dpy, &ev.xconfigure);
1672 destroy_win (dpy, ev.xdestroywindow.window, True, True);
1675 map_win (dpy, ev.xmap.window, ev.xmap.serial, True);
1678 unmap_win (dpy, ev.xunmap.window, True);
1680 case ReparentNotify:
1681 if (ev.xreparent.parent == root)
1682 add_win (dpy, ev.xreparent.window, 0);
1684 destroy_win (dpy, ev.xreparent.window, False, True);
1686 case CirculateNotify:
1687 circulate_win (dpy, &ev.xcirculate);
1690 if (ev.xexpose.window == root)
1692 int more = ev.xexpose.count + 1;
1693 if (n_expose == size_expose)
1697 expose_rects = realloc (expose_rects,
1698 (size_expose + more) *
1699 sizeof (XRectangle));
1700 size_expose += more;
1704 expose_rects = malloc (more * sizeof (XRectangle));
1708 expose_rects[n_expose].x = ev.xexpose.x;
1709 expose_rects[n_expose].y = ev.xexpose.y;
1710 expose_rects[n_expose].width = ev.xexpose.width;
1711 expose_rects[n_expose].height = ev.xexpose.height;
1713 if (ev.xexpose.count == 0)
1715 expose_root (dpy, root, expose_rects, n_expose);
1720 case PropertyNotify:
1721 for (p = 0; backgroundProps[p]; p++)
1723 if (ev.xproperty.atom == XInternAtom (dpy, backgroundProps[p], False))
1727 XClearArea (dpy, root, 0, 0, 0, 0, True);
1728 XRenderFreePicture (dpy, rootTile);
1734 /* check if Trans property was changed */
1735 if (ev.xproperty.atom == opacityAtom)
1737 /* reset mode and redraw window */
1738 win * w = find_win(dpy, ev.xproperty.window);
1741 w->opacity = get_opacity_prop(dpy, w, OPAQUE);
1742 determine_mode(dpy, w);
1747 if (ev.type == damage_event + XDamageNotify)
1748 damage_win (dpy, (XDamageNotifyEvent *) &ev);
1751 } while (QLength (dpy));
1755 paint_all (dpy, allDamage);
1759 clipChanged = False;