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Thu Jan 12 17:09:18 2006 Søren Sandmann <sandmann@redhat.com> 

Add new functions to enable and disable events on Map and Unmap.
Use them here to make sure Composite redirect doesn't cause Map/UnmapNotify
    events that would confuse window managers.
This commit is contained in:
Søren Sandmann Pedersen 2006-01-12 22:14:56 +00:00
parent 847d83ec3c
commit c2dedf4d17
4 changed files with 53 additions and 2 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
Thu Jan 12 17:09:18 2006 Søren Sandmann <sandmann@redhat.com>
* include/window.[ch]: Add new functions to enable and disable
events on Map and Unmap.
* composite/compalloc.c: Use them here to make sure Composite
redirect doesn't cause Map/UnmapNotify events that would confuse
window managers.
2006-01-11 Ian Romanick <idr@us.ibm.com>
reviewed by: airlied, krh

12
composite/compalloc.c
View File

@ -101,7 +101,11 @@ compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
return BadAlloc;
}
if (wasMapped)
{
DisableMapUnmapEvents (pWin);
UnmapWindow (pWin, FALSE);
EnableMapUnmapEvents (pWin);
}
REGION_NULL (pScreen, &cw->borderClip);
cw->update = CompositeRedirectAutomatic;
@ -135,7 +139,9 @@ compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
{
Bool overrideRedirect = pWin->overrideRedirect;
pWin->overrideRedirect = TRUE;
DisableMapUnmapEvents (pWin);
MapWindow (pWin, pClient);
EnableMapUnmapEvents (pWin);
pWin->overrideRedirect = overrideRedirect;
}
@ -169,7 +175,11 @@ compFreeClientWindow (WindowPtr pWin, XID id)
if (!cw->clients)
{
if (wasMapped)
{
DisableMapUnmapEvents (pWin);
UnmapWindow (pWin, FALSE);
EnableMapUnmapEvents (pWin);
}
if (pWin->redirectDraw)
compFreePixmap (pWin);
@ -193,7 +203,9 @@ compFreeClientWindow (WindowPtr pWin, XID id)
{
Bool overrideRedirect = pWin->overrideRedirect;
pWin->overrideRedirect = TRUE;
DisableMapUnmapEvents (pWin);
MapWindow (pWin, clients[CLIENT_ID(id)]);
EnableMapUnmapEvents (pWin);
pWin->overrideRedirect = overrideRedirect;
}
}

27
dix/window.c
View File

@ -2728,7 +2728,7 @@ MapWindow(register WindowPtr pWin, ClientPtr client)
}
pWin->mapped = TRUE;
if (SubStrSend(pWin, pParent))
if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
{
event.u.u.type = MapNotify;
event.u.mapNotify.window = pWin->drawable.id;
@ -2983,7 +2983,7 @@ UnmapWindow(register WindowPtr pWin, Bool fromConfigure)
if ((!pWin->mapped) || (!(pParent = pWin->parent)))
return(Success);
if (SubStrSend(pWin, pParent))
if (SubStrSend(pWin, pParent) && MapUnmapEventsEnabled(pWin))
{
event.u.u.type = UnmapNotify;
event.u.unmapNotify.window = pWin->drawable.id;
@ -3285,6 +3285,29 @@ SendVisibilityNotify(WindowPtr pWin)
DeliverEvents(pWin, &event, 1, NullWindow);
}
static WindowPtr windowDisableMapUnmapEvents;
void
DisableMapUnmapEvents(WindowPtr pWin)
{
assert (windowDisableMapUnmapEvents == NULL);
windowDisableMapUnmapEvents = pWin;
}
void
EnableMapUnmapEvents(WindowPtr pWin)
{
assert (windowDisableMapUnmapEvents != NULL);
windowDisableMapUnmapEvents = NULL;
}
Bool
MapUnmapEventsEnabled(WindowPtr pWin)
{
return pWin != windowDisableMapUnmapEvents;
}
#define RANDOM_WIDTH 32

7
include/window.h
View File

@ -262,4 +262,11 @@ extern RegionPtr CreateBoundingShape(
extern RegionPtr CreateClipShape(
WindowPtr /* pWin */ );
extern void DisableMapUnmapEvents(
WindowPtr /* pWin */ );
extern void EnableMapUnmapEvents(
WindowPtr /* pWin */ );
extern Bool MapUnmapEventsEnabled(
WindowPtr /* pWin */ );
#endif /* WINDOW_H */