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devdraw: automatic OS X label updating

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This commit is contained in:
André Günther 2009-06-17 09:09:10 -07:00
parent a0899df665
commit 342866f89c
1 changed files with 20 additions and 24 deletions
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44
src/cmd/devdraw/osx-screen.c
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@ -29,7 +29,6 @@ extern Rectangle mouserect;
struct {
char *label;
int newlabel;
char *winsize;
QLock labellock;
@ -67,6 +66,11 @@ enum
kWindowFullZoomAttribute
};
enum
{
P9PEventLabelUpdate = 1
};
static void screenproc(void*);
static void eresized(int);
static void fullscreen(int);
@ -178,6 +182,7 @@ _screeninit(void)
{ kEventClassMouse, kEventMouseMoved },
{ kEventClassMouse, kEventMouseDragged },
{ kEventClassMouse, kEventMouseWheelMoved },
{ 'P9PE', P9PEventLabelUpdate}
};
InstallApplicationEventHandler(
@ -246,17 +251,19 @@ eventhandler(EventHandlerCallRef next, EventRef event, void *arg)
{
OSStatus result;
if(osx.newlabel) {
// dummy message so we update the label
qlock(&osx.labellock);
setlabel(osx.label);
osx.newlabel = 0;
qunlock(&osx.labellock);
}
result = CallNextEventHandler(next, event);
switch(GetEventClass(event)){
case 'P9PE':
if (GetEventKind(event) == P9PEventLabelUpdate) {
qlock(&osx.labellock);
setlabel(osx.label);
qunlock(&osx.labellock);
return noErr;
} else
return eventNotHandledErr;
case kEventClassApplication:;
Rectangle r = Rect(0, 0, Dx(osx.screenr), Dy(osx.screenr));
_flushmemscreen(r);
@ -842,30 +849,19 @@ void
kicklabel(char *label)
{
char *p;
EventRef e;
p = strdup(label);
if(p == nil)
return;
qlock(&osx.labellock);
free(osx.label);
osx.newlabel = 1;
osx.label = p;
qunlock(&osx.labellock);
// TODO(rsc): It would be great to send an OS X event to the
// event handling loop to force the update of the label,
// but I cannot manage to do this.
// int i;
// EventRef ev;
/*
ev = 0;
i = CreateEvent(nil, kEventClassApplication, 0, 0, 0, &ev);
if(i != 0)
fprint(2, "CreateEvent: %d\n", i);
i = SendEventToEventTarget(ev, GetUserFocusEventTarget());
if(i != 0)
fprint(2, "SendEventToEventTarget %p: %d\n", ev, i);
*/
CreateEvent(nil, 'P9PE', P9PEventLabelUpdate, 0, kEventAttributeUserEvent, &e);
PostEventToQueue(GetMainEventQueue(), e, kEventPriorityStandard);
}
static void