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Track changes to _XROOTPMAP_ID property

This commit is contained in:
Keith Packard 2003-11-10 18:34:35 +00:00
parent 9e767b89cf
commit 41293ef755
3 changed files with 26 additions and 2 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2003-11-10 Keith Packard <keithp@keithp.com>
* Makefile:
* xcompmgr.c: (root_tile), (main):
Track changes to _XROOTPMAP_ID property
2003-11-09 Keith Packard <keithp@keithp.com> 2003-11-09 Keith Packard <keithp@keithp.com>
* xcompmgr.c: (time_in_millis), (main): * xcompmgr.c: (time_in_millis), (main):

2
Makefile
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@ -1,5 +1,7 @@
LIBS=`pkg-config --cflags --libs xcomposite xfixes xdamage xrender` -lm LIBS=`pkg-config --cflags --libs xcomposite xfixes xdamage xrender` -lm
CFLAGS=-O -g
xcompmgr: xcompmgr.c xcompmgr: xcompmgr.c
$(CC) -o $@ $(CFLAGS) xcompmgr.c $(LIBS) $(CC) -o $@ $(CFLAGS) xcompmgr.c $(LIBS)

20
xcompmgr.c
View File

@ -65,6 +65,7 @@ Picture rootTile;
XserverRegion allDamage; XserverRegion allDamage;
int root_height, root_width; int root_height, root_width;
#define BACKGROUND_PROP "_XROOTPMAP_ID"
#define WINDOW_PLAIN 0 #define WINDOW_PLAIN 0
#define WINDOW_DROP 1 #define WINDOW_DROP 1
#define WINDOW_TRANS 2 #define WINDOW_TRANS 2
@ -326,7 +327,7 @@ root_tile (Display *dpy)
Bool fill; Bool fill;
XRenderPictureAttributes pa; XRenderPictureAttributes pa;
if (XGetWindowProperty (dpy, root, XInternAtom (dpy, "_XROOTPMAP_ID", False), if (XGetWindowProperty (dpy, root, XInternAtom (dpy, BACKGROUND_PROP, False),
0, 4, False, AnyPropertyType, 0, 4, False, AnyPropertyType,
&actual_type, &actual_format, &nitems, &bytes_after, &prop) == Success && &actual_type, &actual_format, &nitems, &bytes_after, &prop) == Success &&
actual_type == XInternAtom (dpy, "PIXMAP", False) && actual_format == 32 && nitems == 1) actual_type == XInternAtom (dpy, "PIXMAP", False) && actual_format == 32 && nitems == 1)
@ -816,7 +817,11 @@ main ()
XGrabServer (dpy); XGrabServer (dpy);
XCompositeRedirectSubwindows (dpy, root, CompositeRedirectManual); XCompositeRedirectSubwindows (dpy, root, CompositeRedirectManual);
paint_all (dpy, None); paint_all (dpy, None);
XSelectInput (dpy, root, SubstructureNotifyMask|ExposureMask|StructureNotifyMask); XSelectInput (dpy, root,
SubstructureNotifyMask|
ExposureMask|
StructureNotifyMask|
PropertyChangeMask);
XQueryTree (dpy, root, &root_return, &parent_return, &children, &nchildren); XQueryTree (dpy, root, &root_return, &parent_return, &children, &nchildren);
for (i = 0; i < nchildren; i++) for (i = 0; i < nchildren; i++)
add_win (dpy, children[i], i ? children[i-1] : None); add_win (dpy, children[i], i ? children[i-1] : None);
@ -882,6 +887,17 @@ main ()
} }
} }
break; break;
case PropertyNotify:
if (ev.xproperty.atom == XInternAtom (dpy, BACKGROUND_PROP, False))
{
if (rootTile)
{
XClearArea (dpy, root, 0, 0, 0, 0, True);
XRenderFreePicture (dpy, rootTile);
rootTile = None;
}
}
break;
default: default:
if (ev.type == damage_event + XDamageNotify) if (ev.type == damage_event + XDamageNotify)
damage_win (dpy, (XDamageNotifyEvent *) &ev); damage_win (dpy, (XDamageNotifyEvent *) &ev);