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authorKeith Packard <keithp@keithp.com>2004-07-08 07:07:26 +0000
committerKeith Packard <keithp@keithp.com>2004-07-08 07:07:26 +0000
commitcd952da085147938c06a46440fd178382a74e0df (patch)
tree43f8883d58f6fbfd71e03894072d4deab791a64a /xcompmgr.c
parentOnly use XCompositeNameWindowPixmap when the library provides it (diff)
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Add fade-in/fade-out support (-f option). Clean up leak of solid alpha
picture per redraw of constant-alpha windows.
Diffstat (limited to 'xcompmgr.c')
-rw-r--r--xcompmgr.c365
1 files changed, 297 insertions, 68 deletions
diff --git a/xcompmgr.c b/xcompmgr.c
index 9024040..8bb23d1 100644
--- a/xcompmgr.c
+++ b/xcompmgr.c
@@ -55,7 +55,9 @@ typedef struct _ignore {
typedef struct _win {
struct _win *next;
Window id;
+#if HAS_NAME_WINDOW_PIXMAP
Pixmap pixmap;
+#endif
XWindowAttributes a;
int mode;
int damaged;
@@ -84,7 +86,18 @@ typedef struct _conv {
double *data;
} conv;
+typedef struct _fade {
+ struct _fade *next;
+ win *w;
+ double cur;
+ double step;
+ void (*callback) (Display *dpy, win *w, Bool gone);
+ Display *dpy;
+ Bool gone;
+} fade;
+
win *list;
+fade *fades;
Display *dpy;
int scr;
Window root;
@@ -135,10 +148,162 @@ typedef enum _compMode {
CompClientShadows, /* use window extents for shadow, blurred */
} CompMode;
+static void
+determine_mode(Display *dpy, win *w);
+
CompMode compMode = CompSimple;
int shadowRadius = 12;
+double fade_step = 0.05;
+int fade_delta = 10;
+int fade_time = 0;
+Bool fadeWindows;
+
+int
+get_time_in_milliseconds ()
+{
+ struct timeval tv;
+ struct timezone tz;
+
+ gettimeofday (&tv, &tz);
+ return tv.tv_sec * 1000 + tv.tv_usec / 1000;
+}
+
+fade *
+find_fade (win *w)
+{
+ fade *f;
+
+ for (f = fades; f; f = f->next)
+ {
+ if (f->w == w)
+ return f;
+ }
+ return 0;
+}
+
+void
+dequeue_fade (Display *dpy, fade *f)
+{
+ fade **prev;
+
+ for (prev = &fades; *prev; prev = &(*prev)->next)
+ if (*prev == f)
+ {
+ *prev = f->next;
+ if (f->callback)
+ (*f->callback) (dpy, f->w, f->gone);
+ free (f);
+ break;
+ }
+}
+
+void
+cleanup_fade (Display *dpy, win *w)
+{
+ fade *f = find_fade (w);
+ if (f)
+ dequeue_fade (dpy, f);
+}
+
+void
+enqueue_fade (Display *dpy, fade *f)
+{
+ if (!fades)
+ fade_time = get_time_in_milliseconds () + fade_delta;
+ f->next = fades;
+ fades = f;
+}
+
+static void
+set_fade (Display *dpy, win *w, Bool in,
+ void (*callback) (Display *dpy, win *w, Bool gone),
+ Bool gone)
+{
+ fade *f;
+
+ f = find_fade (w);
+ if (!f)
+ {
+ f = malloc (sizeof (fade));
+ f->next = 0;
+ f->w = w;
+ if (in)
+ f->cur = 0;
+ else
+ f->cur = 1;
+ enqueue_fade (dpy, f);
+ }
+ if (in)
+ f->step = fade_step;
+ else
+ f->step = -fade_step;
+ f->callback = callback;
+ f->gone = gone;
+ w->opacity = f->cur * OPAQUE;
+#if 0
+ printf ("set_fade start %g step %g\n", f->cur, f->step);
+#endif
+ determine_mode (dpy, w);
+}
+
+int
+fade_timeout (void)
+{
+ int now;
+ int delta;
+ if (!fades)
+ return -1;
+ now = get_time_in_milliseconds();
+ delta = fade_time - now;
+ if (delta < 0)
+ delta = 0;
+/* printf ("timeout %d\n", delta); */
+ return delta;
+}
+
+void
+run_fades (Display *dpy)
+{
+ int now = get_time_in_milliseconds();
+ fade *f, *next;
+ int steps;
+
+#if 0
+ printf ("run fades\n");
+#endif
+ if (fade_time - now > 0)
+ return;
+ steps = 1 + (now - fade_time) / fade_delta;
+ for (next = fades; f = next; )
+ {
+ win *w = f->w;
+ next = f->next;
+ f->cur += f->step * steps;
+ if (f->cur >= 1)
+ f->cur = 1;
+ else if (f->cur < 0)
+ f->cur = 0;
+#if 0
+ printf ("opacity now %g\n", f->cur);
+#endif
+ w->opacity = f->cur * OPAQUE;
+ if (f->step > 0)
+ {
+ if (f->cur >= 1)
+ dequeue_fade (dpy, f);
+ }
+ else
+ {
+ if (f->cur <= 0)
+ dequeue_fade (dpy, f);
+ }
+ determine_mode (dpy, w);
+ }
+ fade_time = now + fade_delta;
+}
+
#define SHADOW_OPACITY 0.75
#define SHADOW_OFFSET_X (-shadowRadius * 5 / 4)
#define SHADOW_OFFSET_Y (-shadowRadius * 5 / 4)
@@ -637,7 +802,24 @@ paint_all (Display *dpy, XserverRegion region)
if (!w->damaged)
continue;
if (!w->picture)
- continue;
+ {
+ XRenderPictureAttributes pa;
+ XRenderPictFormat *format;
+ Drawable draw = w->id;
+
+#if HAS_NAME_WINDOW_PIXMAP
+ if (hasNamePixmap && !w->pixmap)
+ w->pixmap = XCompositeNameWindowPixmap (dpy, w->id);
+ if (w->pixmap)
+ draw = w->pixmap;
+#endif
+ format = XRenderFindVisualFormat (dpy, w->a.visual);
+ pa.subwindow_mode = IncludeInferiors;
+ w->picture = XRenderCreatePicture (dpy, draw,
+ format,
+ CPSubwindowMode,
+ &pa);
+ }
#if DEBUG_REPAINT
printf (" 0x%x", w->id);
#endif
@@ -722,7 +904,7 @@ paint_all (Display *dpy, XserverRegion region)
}
break;
}
- if (w->opacity != OPAQUE)
+ if (w->opacity != OPAQUE && !w->alphaPict)
w->alphaPict = solid_picture (dpy, False,
(double) w->opacity / OPAQUE, 0, 0, 0);
if (w->mode == WINDOW_TRANS)
@@ -806,7 +988,7 @@ repair_win (Display *dpy, Window id)
}
static void
-map_win (Display *dpy, Window id, unsigned long sequence)
+map_win (Display *dpy, Window id, unsigned long sequence, Bool fade)
{
win *w = find_win (dpy, id);
Drawable back;
@@ -815,45 +997,18 @@ map_win (Display *dpy, Window id, unsigned long sequence)
return;
w->a.map_state = IsViewable;
-#if HAS_NAME_WINDOW_PIXMAP
- if (hasNamePixmap)
- {
- w->pixmap = XCompositeNameWindowPixmap (dpy, id);
- back = w->pixmap;
- }
- else
-#endif
- {
- w->pixmap = 0;
- back = id;
- }
-
- if (w->a.class != InputOnly)
- {
- XRenderPictureAttributes pa;
- XRenderPictFormat *format;
- format = XRenderFindVisualFormat (dpy, w->a.visual);
- pa.subwindow_mode = IncludeInferiors;
- w->picture = XRenderCreatePicture (dpy, back,
- format,
- CPSubwindowMode,
- &pa);
- }
-
/* make sure we know if property was changed */
XSelectInput(dpy, id, PropertyChangeMask);
w->damaged = 0;
clipChanged = True;
+ if (fade && fadeWindows)
+ set_fade (dpy, w, True, 0, False);
}
static void
-unmap_win (Display *dpy, Window id)
+finish_unmap_win (Display *dpy, win *w)
{
- win *w = find_win (dpy, id);
-
- if (!w)
- return;
w->a.map_state = IsUnmapped;
w->damaged = 0;
if (w->extents != None)
@@ -861,13 +1016,15 @@ unmap_win (Display *dpy, Window id)
add_damage (dpy, w->extents); /* destroys region */
w->extents = None;
}
+
#if HAS_NAME_WINDOW_PIXMAP
- if (hasNamePixmap)
+ if (w->pixmap)
{
XFreePixmap (dpy, w->pixmap);
- w->pixmap = 0;
+ w->pixmap = None;
}
#endif
+
if (w->picture)
{
set_ignore (dpy, NextRequest (dpy));
@@ -877,7 +1034,7 @@ unmap_win (Display *dpy, Window id)
/* don't care about properties anymore */
set_ignore (dpy, NextRequest (dpy));
- XSelectInput(dpy, id, 0);
+ XSelectInput(dpy, w->id, 0);
if (w->borderSize)
{
@@ -899,7 +1056,27 @@ unmap_win (Display *dpy, Window id)
clipChanged = True;
}
+#if HAS_NAME_WINDOW_PIXMAP
+static void
+unmap_callback (Display *dpy, win *w, Bool gone)
+{
+ finish_unmap_win (dpy, w);
+}
+#endif
+static void
+unmap_win (Display *dpy, Window id, Bool fade)
+{
+ win *w = find_win (dpy, id);
+ if (!w)
+ return;
+#if HAS_NAME_WINDOW_PIXMAP
+ if (w->pixmap && fade && fadeWindows)
+ set_fade (dpy, w, False, unmap_callback, False);
+ else
+#endif
+ finish_unmap_win (dpy, w);
+}
/* Get the opacity prop from window
not found: default
@@ -930,8 +1107,7 @@ get_opacity_prop(Display *dpy, win *w, unsigned int def)
Future might check for menu flag and other cool things
*/
-
-static int
+static void
determine_mode(Display *dpy, win *w)
{
int mode;
@@ -940,12 +1116,6 @@ determine_mode(Display *dpy, win *w)
/* if trans prop == -1 fall back on previous tests*/
- if (w->a.override_redirect)
- default_opacity = TRANSLUCENT;
- else
- default_opacity = OPAQUE;
-
- w->opacity = get_opacity_prop(dpy, w, default_opacity);
if (w->alphaPict)
{
XRenderFreePicture (dpy, w->alphaPict);
@@ -978,7 +1148,14 @@ determine_mode(Display *dpy, win *w)
{
mode = WINDOW_SOLID;
}
- return mode;
+ w->mode = mode;
+ if (w->extents)
+ {
+ XserverRegion damage;
+ damage = XFixesCreateRegion (dpy, 0, 0);
+ XFixesCopyRegion (dpy, damage, w->extents);
+ add_damage (dpy, damage);
+ }
}
static void
@@ -1005,6 +1182,9 @@ add_win (Display *dpy, Window id, Window prev)
return;
}
new->damaged = 0;
+#if HAS_NAME_WINDOW_PIXMAP
+ new->pixmap = None;
+#endif
new->picture = None;
if (new->a.class == InputOnly)
{
@@ -1027,15 +1207,17 @@ add_win (Display *dpy, Window id, Window prev)
new->shadow_height = 0;
new->opacity = OPAQUE;
- /* moved mode setting to one place */
- new->mode = determine_mode(dpy, new);
new->borderClip = None;
new->prev_trans = 0;
+ /* moved mode setting to one place */
+ new->opacity = get_opacity_prop(dpy, new, OPAQUE);
+ determine_mode (dpy, new);
+
new->next = *p;
*p = new;
if (new->a.map_state == IsViewable)
- map_win (dpy, id, new->damage_sequence - 1);
+ map_win (dpy, id, new->damage_sequence - 1, False);
}
void
@@ -1098,11 +1280,25 @@ configure_win (Display *dpy, XConfigureEvent *ce)
w->a.x = ce->x;
w->a.y = ce->y;
if (w->a.width != ce->width || w->a.height != ce->height)
+ {
+#if HAS_NAME_WINDOW_PIXMAP
+ if (w->pixmap)
+ {
+ XFreePixmap (dpy, w->pixmap);
+ w->pixmap = None;
+ if (w->picture)
+ {
+ XRenderFreePicture (dpy, w->picture);
+ w->picture = None;
+ }
+ }
+#endif
if (w->shadow)
{
XRenderFreePicture (dpy, w->shadow);
w->shadow = None;
}
+ }
w->a.width = ce->width;
w->a.height = ce->height;
w->a.border_width = ce->border_width;
@@ -1133,7 +1329,7 @@ circulate_win (Display *dpy, XCirculateEvent *ce)
}
static void
-destroy_win (Display *dpy, Window id, Bool gone)
+finish_destroy_win (Display *dpy, Window id, Bool gone)
{
win **prev, *w;
@@ -1141,7 +1337,7 @@ destroy_win (Display *dpy, Window id, Bool gone)
if (w->id == id)
{
if (!gone)
- unmap_win (dpy, id);
+ finish_unmap_win (dpy, w);
*prev = w->next;
if (w->picture)
{
@@ -1149,19 +1345,48 @@ destroy_win (Display *dpy, Window id, Bool gone)
XRenderFreePicture (dpy, w->picture);
}
if (w->alphaPict)
+ {
XRenderFreePicture (dpy, w->alphaPict);
+ w->alphaPict = None;
+ }
if (w->shadowPict)
+ {
XRenderFreePicture (dpy, w->shadowPict);
+ w->shadowPict = None;
+ }
if (w->damage != None)
{
set_ignore (dpy, NextRequest (dpy));
XDamageDestroy (dpy, w->damage);
}
+ cleanup_fade (dpy, w);
free (w);
break;
}
}
+#if HAS_NAME_WINDOW_PIXMAP
+static void
+destroy_callback (Display *dpy, win *w, Bool gone)
+{
+ finish_destroy_win (dpy, w->id, gone);
+}
+#endif
+
+static void
+destroy_win (Display *dpy, Window id, Bool gone, Bool fade)
+{
+ win *w = find_win (dpy, id);
+#if HAS_NAME_WINDOW_PIXMAP
+ if (w && w->pixmap && fade && fadeWindows)
+ set_fade (dpy, w, False, destroy_callback, gone);
+ else
+#endif
+ {
+ finish_destroy_win (dpy, id, gone);
+ }
+}
+
/*
static void
dump_win (win *w)
@@ -1221,6 +1446,7 @@ error (Display *dpy, XErrorEvent *ev)
printf ("error %d request %d minor %d serial %d\n",
ev->error_code, ev->request_code, ev->minor_code, ev->serial);
+ abort ();
return 0;
}
@@ -1317,7 +1543,7 @@ main (int argc, char **argv)
char *display = 0;
int o;
- while ((o = getopt (argc, argv, "d:scn")) != -1)
+ while ((o = getopt (argc, argv, "d:scnf")) != -1)
{
switch (o) {
case 'd':
@@ -1332,6 +1558,9 @@ main (int argc, char **argv)
case 'n':
compMode = CompSimple;
break;
+ case 'f':
+ fadeWindows = True;
+ break;
default:
usage (argv[0]);
break;
@@ -1363,14 +1592,9 @@ main (int argc, char **argv)
}
XCompositeQueryVersion (dpy, &composite_major, &composite_minor);
#if HAS_NAME_WINDOW_PIXMAP
-#if 0
- /*
- * Don't use this yet; we don't have set semantics for new pixmaps
- */
if (composite_major > 0 || composite_minor >= 2)
hasNamePixmap = True;
#endif
-#endif
if (!XDamageQueryExtension (dpy, &damage_event, &damage_error))
{
@@ -1415,11 +1639,22 @@ main (int argc, char **argv)
add_win (dpy, children[i], i ? children[i-1] : None);
XFree (children);
XUngrabServer (dpy);
+ ufd.fd = ConnectionNumber (dpy);
+ ufd.events = POLLIN;
paint_all (dpy, None);
for (;;)
{
/* dump_wins (); */
do {
+ if (!QLength (dpy))
+ {
+ if (poll (&ufd, 1, fade_timeout()) == 0)
+ {
+ run_fades (dpy);
+ break;
+ }
+ }
+
XNextEvent (dpy, &ev);
if (ev.type & 0x7f != KeymapNotify)
discard_ignore (dpy, ev.xany.serial);
@@ -1435,19 +1670,19 @@ main (int argc, char **argv)
configure_win (dpy, &ev.xconfigure);
break;
case DestroyNotify:
- destroy_win (dpy, ev.xdestroywindow.window, True);
+ destroy_win (dpy, ev.xdestroywindow.window, True, True);
break;
case MapNotify:
- map_win (dpy, ev.xmap.window, ev.xmap.serial);
+ map_win (dpy, ev.xmap.window, ev.xmap.serial, True);
break;
case UnmapNotify:
- unmap_win (dpy, ev.xunmap.window);
+ unmap_win (dpy, ev.xunmap.window, True);
break;
case ReparentNotify:
if (ev.xreparent.parent == root)
add_win (dpy, ev.xreparent.window, 0);
else
- destroy_win (dpy, ev.xreparent.window, False);
+ destroy_win (dpy, ev.xreparent.window, False, True);
break;
case CirculateNotify:
circulate_win (dpy, &ev.xcirculate);
@@ -1504,14 +1739,8 @@ main (int argc, char **argv)
win * w = find_win(dpy, ev.xproperty.window);
if (w)
{
- w->mode = determine_mode(dpy, w);
- if (w->extents)
- {
- XserverRegion damage;
- damage = XFixesCreateRegion (dpy, 0, 0);
- XFixesCopyRegion (dpy, damage, w->extents);
- add_damage (dpy, damage);
- }
+ w->opacity = get_opacity_prop(dpy, w, OPAQUE);
+ determine_mode(dpy, w);
}
}
break;