Hi Thomas,
thanks for the reply, i did try the first method you suggest with
adding a layer but it didn't work either.
I also tought of the second method but how would i make sure that my
IKImageBrowserView still receives drop event?
I ned to be compatible with 10.5 so method 3 is out of the question.
Thanks anyway!
Florian.
On 25 Nov 2009, at 14:44, Thomas Goossens wrote:
Hi Florian,
You can't do custom drawing this way (because the IKImageBrowserView
renders into an openGL surface, so AppKit or CoreGraphics calls
won't do anything).
So to do what you want you can either:
- make the view layer backed and add a sub-layer
- add an overlay transparent window on top of the image browser view
- add an overlay layer with setForegroundLayer: (that's the easiest
solution but it is SnowLeopard only).
-- Thomas
On Nov 25, 2009, at 2:34 PM, Florian Soenens wrote:
Hi list,
i'm trying to override an IKImageBrowserView to do some custom
drawing but i'm stuck.
What i try to accomplish is that when the view contains zero items,
some custom drawing happens like drawing an NSAttributedString that
says "Drop items here..."
Problem is that my drawing code gets never called.
Here's the drawRect method of my IKImageBrowserView:
- (void)drawRect:(NSRect)rect
{
[super drawRect:rect];
NSUInteger numItems = [[self dataSource]
numberOfItemsInImageBrowser:self];
if(numItems <= 0)
{
NSLog(@"No items in me"); // This gets called, so i'm sure the
above code works
NSRect bounds = [self bounds];
bounds.size.width = 200;
bounds.size.height = 200;
bounds.origin.x += 200;
bounds.origin.y += 200;
//[NSGraphicsContext saveGraphicsState];
[[NSColor yellowColor] set]; // Just for testing purposes
NSRectFill(bounds);
//[NSGraphicsContext restoreGraphicsState];
}
}
Uncommenting the NSGrahicsContext doesn't help either.
Anyone has any ideas or workarounds for this?
Thanks in advance,
Florian
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