Using NSTrackingArea on overlay child windows

[Markus Spoettl]

Hello List,






Thanks for any pointers.

Regards
Markus

@implementation MyView

- (void)cursorUpdate:(NSEvent *)theEvent
{
    NSLog(@"cursor updated");
    [[NSCursor openHandCursor] set];
}

- (void)updateTrackingRect
{
    if (cursorTrackingArea) {
        [self removeTrackingArea:cursorTrackingArea];
        [cursorTrackingArea release];
        cursorTrackingArea = nil;
        NSLog(@"tracking area removed");
    }

    NSRect rect = NSInsetRect([self bounds], 6, 6);
    if ((rect.size.width > 1) && (rect.size.height > 1)) {
        cursorTrackingArea = [[NSTrackingArea alloc]
                      initWithRect:rect

                             owner:self userInfo:nil];
        [self addTrackingArea:cursorTrackingArea];
        NSLog(@"tracking area updated");
    }
}

@end
--
__________________________________________
Markus Spoettl

I have the following code which works as expected on a normal NSView in a normal window. However it does not work when used on a view hosted on a completely transparent overlay window. The overlay is a child window of a normal NSDocument main window in case that matters. I've tried to make the overlay non-transparent to see if that causes it but it doesn't make any difference. MyView cursorUpdate: is never called. Is there something wrong with my code or is there a chance tracking areas don't work on child windows? options:(NSTrackingCursorUpdate | NSTrackingActiveInActiveApp)

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