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[tray] Add a horrible workaround for broken Qt systray icon implementation. Closes issue #228.

This commit is contained in:
Kris Maglione 2011-09-20 02:49:06 -04:00
parent 0a694fe4ea
commit 6e288e6611
1 changed files with 49 additions and 20 deletions
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39
cmd/tray/selection.c
View File

@ -7,10 +7,11 @@
static Handlers selection_handlers;
static Handlers steal_handlers;
Selection*
selection_create(char *selection, ulong time,
static Selection*
_selection_create(char *selection, ulong time,
void (*request)(Selection*, XSelectionRequestEvent*),
void (*cleanup)(Selection*)) {
void (*cleanup)(Selection*),
bool lazy) {
Selection *s;
if(time == 0)
@ -26,6 +27,7 @@ selection_create(char *selection, ulong time,
sethandler(s->owner, &selection_handlers);
if (!lazy) {
XSetSelectionOwner(display, xatom(selection), s->owner->xid, time);
/*
@ -43,14 +45,31 @@ selection_create(char *selection, ulong time,
free(s);
return nil;
}
}
s->selection = estrdup(selection);
return s;
}
Selection*
selection_create(char *selection, ulong time,
void (*request)(Selection*, XSelectionRequestEvent*),
void (*cleanup)(Selection*)) {
return _selection_create(selection, time, request, cleanup, false);
}
static void
_selection_manage(Selection *s) {
if (s->oldowner) {
Dprint("[selection] Grabbing.\n");
XSetSelectionOwner(display, xatom(s->selection), s->owner->xid, s->time_start);
if(XGetSelectionOwner(display, xatom(s->selection)) != s->owner->xid) {
selection_release(s);
return;
}
}
Dprint("[selection] Notifying.\n");
clientmessage(&scr.root, "MANAGER", SubstructureNotifyMask|StructureNotifyMask, 32,
(ClientMessageData){ .l = {s->time_start, xatom(s->selection), s->owner->xid} });
@ -84,9 +103,18 @@ selection_manage(char *selection, ulong time,
w->type = WWindow;
w->xid = old;
selectinput(w, StructureNotifyMask);
/* Hack for broken Qt systray implementation. If it
* finds a new system tray running when the old one
* dies, it never selects the StructureNotify mask
* on it, and therefore never disassociates from it,
* and completely ignores any future MANAGER
* messages it receives.
*/
XSetSelectionOwner(display, xatom(selection), 0, time);
}
s = selection_create(selection, time, nil, cleanup);
s = _selection_create(selection, time, nil, cleanup, old);
if(s) {
s->message = message;
s->oldowner = old;
@ -189,8 +217,9 @@ destroy_event(Window *w, void *aux, XDestroyWindowEvent *e) {
if(s->timer)
ixp_unsettimer(&srv, s->timer);
s->timer = 0;
s->oldowner = 0;
_selection_manage(s);
s->oldowner = 0;
return false;
}