I have a view that needs to be refreshed after a period of mouse inactivity.
- (void)mouseInactive
{
// This does not work.
[self setNeedsDisplay:YES];
// This does not work. I think this did work at one time but stopped
// working on OS X 10.10 Yosemite.
[self performSelector:@selector(setNeedsDisplay:)
withObject:@YES afterDelay:0.0];
}
- (void)mouseMoved:(NSEvent *)event
{
[NSObject cancelPreviousPerformRequestsWithTarget:self];
[self performSelector:@selector(mouseInactive)
withObject:nil afterDelay:2.0];
}
The problem is that calling setNeedsDisplay: does not work. It appears that the
run loop is stopped. Once the user does something like press a key on the
keyboard then the view is refreshed.
Does anyone have any ideas?
--Richard Charles
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