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fixed problem on fast opacity changes (e.g. short moves) when using fades,

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applied patch made to xcompmgr 1.39 (deq fades)

svn path=/trunk/kdebase/kwin/; revision=383510
This commit is contained in:
Thomas Lübking 2005-01-28 23:26:16 +00:00
parent d07a21b445
commit 926f7e02fd
1 changed files with 32 additions and 8 deletions
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40
kompmgr/kompmgr.c
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@ -356,6 +356,7 @@ run_fades (Display *dpy)
int now = get_time_in_milliseconds();
fade *f, *next;
int steps;
Bool need_dequeue;
#if 0
printf ("run fades\n");
@ -376,12 +377,14 @@ run_fades (Display *dpy)
printf ("opacity now %g -> %g\n", f->cur, f->finish);
#endif
w->opacity = f->cur * OPAQUE;
need_dequeue = False;
if (f->step > 0)
{
if (f->cur >= f->finish)
{
w->opacity = f->finish*OPAQUE;
dequeue_fade (dpy, f);
need_dequeue = True;
/*dequeue_fade (dpy, f);*/
}
}
else
@ -389,16 +392,20 @@ run_fades (Display *dpy)
if (f->cur <= f->finish)
{
w->opacity = f->finish*OPAQUE;
dequeue_fade (dpy, f);
need_dequeue = True;
/*dequeue_fade (dpy, f);*/
}
}
determine_mode (dpy, w);
if (w->shadow)
{
XRenderFreePicture (dpy, w->shadow);
w->shadow = None;
w->extents = win_extents(dpy, w);
/* Must do this last as it might destroy f->w in callbacks */
if (need_dequeue)
dequeue_fade (dpy, f);
}
determine_mode (dpy, w);
}
fade_time = now + fade_delta;
}
@ -1397,7 +1404,7 @@ get_shade_prop(Display *dpy, win *w)
return 0;
}
static unsigned int
static Bool
get_shapable_prop(Display *dpy, win *w)
{
Atom actual;
@ -1413,9 +1420,9 @@ get_shapable_prop(Display *dpy, win *w)
unsigned int i;
memcpy (&i, data, sizeof (unsigned int));
XFree( (void *) data);
return i;
return i==1;
}
return 1; /*in general, the window should be shapable*/
return True; /*in general, the window should be shapable*/
}
/* Get the opacity property from the window in a percent format
@ -1610,6 +1617,7 @@ add_win (Display *dpy, Window id, Window prev)
/* moved mode setting to one place */
new->opacity = get_opacity_prop (dpy, new, OPAQUE);
new->shadowSize = get_shadow_prop (dpy, new);
new->shapable = get_shapable_prop(dpy, new);
new->windowType = determine_wintype (dpy, new->id);
determine_mode (dpy, new);
@ -2529,7 +2537,13 @@ main (int argc, char **argv)
else if (ev.xproperty.atom == shapableAtom)
{
win * w = find_win(dpy, ev.xproperty.window);
if (w) w->shapable = get_shapable_prop(dpy, w);
if (w)
{
w->shapable = get_shapable_prop(dpy, w);
/* printf("%u is %s shapable\n",w->id,w->shapable?"":"not");*/
}
else
printf("arrrg, window not found\n");
}
/* check if Trans or Shadow property was changed */
else if (ev.xproperty.atom == opacityAtom || ev.xproperty.atom == shadowAtom)
@ -2548,7 +2562,7 @@ main (int argc, char **argv)
if (fadeTrans)
{
set_fade (dpy, w, w->opacity*1.0/OPAQUE, (tmp*1.0)/OPAQUE,
fade_out_step, 0, False, True, False);
fade_out_step, 0, False, True, True);
break;
}
else
@ -2587,6 +2601,16 @@ main (int argc, char **argv)
win * w = find_win(dpy, ev.xany.window);
if (w && w->shapable)
{
#if 1
if (w->shadowSize != 0)
{
w->shadowSize = 0;
XRenderFreePicture (dpy, w->shadow);
w->shadow = None;
determine_mode(dpy, w);
w->extents = win_extents (dpy, w);
}
#endif
/*this is hardly efficient, but a current workaraound
shaping support isn't that good so far (e.g. we lack shaped shadows)
IDEA: use XRender to scale/shift a copy of the window and then blurr it*/