Re: resizing window containing NSView with CALayer
Re: resizing window containing NSView with CALayer
- Subject: Re: resizing window containing NSView with CALayer
- From: Ken Ferry <email@hidden>
- Date: Mon, 08 Aug 2011 16:37:30 -0700
On Mon, Aug 8, 2011 at 5:23 AM, Graham Cox <email@hidden> wrote:
>
> On 08/08/2011, at 9:35 PM, julius wrote:
>
> > When I go and drag the resize handle to make the window as small as I can
> make it, i.e. so the window's content rect has zero height then the view
> misbehaves, i.e. the top of the view shifts from being some 100 pixels below
> the title bar to being 0 pixels below it!
>
>
> Ummm, well, that's not what you said was going on originally. This is
> normal.
>
> The reason this happens is that once either the width or height goes to 0,
> there's nothing for the view sizing code to mutliply by to end up with the
> destination size - once you hit a zero, the sizing information is lost. To
> prevent this, set a minimum size on the window. This is a good idea in any
> case - there is no possible use for a zero-sized window.
See also Cocoa Auto Layout, which addresses this issue among others. (Have
people caught this? I'm a little surprised there hasn't been more chatter.
We're replacing the autoresizing mask entirely.)
Programming guide<http://developer.apple.com/library/mac/#documentation/UserExperience/Conceptual/AutolayoutPG/Articles/Introduction.html>,
release notes<http://developer.apple.com/library/mac/#releasenotes/UserExperience/RNAutomaticLayout/_index.html>,
IB docs<http://developer.apple.com/library/mac/#recipes/xcode_help-interface_builder/_index.html>,
sample code<http://developer.apple.com/library/mac/#samplecode/Cocoa_Autolayout_Demos/Introduction/Intro.html>,
WWDC video<https://developer.apple.com/itunes/?destination=adc.apple.com.8270634034.08270634040.8367260891?i=2124831445>
.
-Ken
Cocoa Frameworks
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