Re: Overlapping Views
Re: Overlapping Views
- Subject: Re: Overlapping Views
- From: David Alger <email@hidden>
- Date: Fri, 23 Nov 2007 11:03:56 -0600
On Nov 23, 2007, at 10:01 AM, Alastair Houghton wrote:
On 23 Nov 2007, at 07:09, Jon Hess wrote:
NSView fully supports overlapping sibling views on Leopard and later.
I know it's been a common request for ages on the list, but I've
never quite been sure why people are so keen on being able to have
overlapping sibling views. If one is completely contained within
the other, the parent-child relationship seems cleaner (and has
always worked); and if that isn't possible then surely in most cases
it's going to look ugly?
So, out of interest, David, what were you trying to achieve that
needed overlapping views?
This particular app would be a full-screen app. The main window,
covering most if not all of the screen, would have a background image
with other controls directly on top of it. They would be customized to
the extent I could in IB & sub-classed if necessary, which I know that
I will have to do to achieve the behavior & appearance I want in some.
Since the NSImage view doesn't support sub-views (I'm assuming it
doesn't since IB won't let me put any in it), I was trying to have the
NSImage view behind the other views so I wouldn't have to customize a
NSView & draw the image manually.
This will be my very first app written in Cocoa/Obj-C, and I'm very
used to having compositing views in Carbon. I won't be overlapping
views like this though if it isn't really supported, since I don't
want my app to possibly have erratic drawing/refresh behavior.
Regards,
David Alger
********************
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