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Re: Animated split view collapsing

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Re: Animated split view collapsing

Subject: Re: Animated split view collapsing
From: Paul Kim <email@hidden>
Date: Fri, 5 May 2006 18:11:10 -0400

You need to do the display in the -splitViewDidResizeSubviews: method (which is called after resizing). Looks like - splitView:resizeSubviewsWithOldSize: gets called indirectly by the display mechanism.

Hope this helps.

paul

1. Here's the stack trace starting from near the bottom:
================================================================ #23862 0x000b58d8 in -[LS MainWindowController splitView:resizeSubviewsWithOldSize:] at LS MainWindowController.m:359 #23863 0x9382be4c in -[NSSplitView resizeSubviewsWithOldSize:] #23864 0x93835f78 in -[NSSplitView _regionForOpaqueDescendants:forMove:] #23865 0x93766584 in -[NSView _regionForOpaqueDescendants:forMove:] #23866 0x93835fa4 in -[NSSplitView _regionForOpaqueDescendants:forMove:] #23867 0x93766584 in -[NSView _regionForOpaqueDescendants:forMove:] #23868 0x93766584 in -[NSView _regionForOpaqueDescendants:forMove:] #23869 0x93785ac4 in -[NSThemeFrame _regionForOpaqueDescendants:forMove:] #23870 0x93765770 in -[NSView _drawRect:clip:] #23871 0x93764c1c in -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisib leRectForView:topView:] #23872 0x93785664 in -[NSThemeFrame _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisib leRectForView:topView:] #23873 0x9375e674 in -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] #23874 0x93753968 in -[NSView displayIfNeeded] #23875 0x000b58d8 in -[LSMainWindowController splitView:resizeSubviewsWithOldSize:] at LSMainWindowController.m:359 #23876 0x9382be4c in -[NSSplitView resizeSubviewsWithOldSize:] #23877 0x93835f78 in -[NSSplitView _regionForOpaqueDescendants:forMove:] #23878 0x93766584 in -[NSView _regionForOpaqueDescendants:forMove:] #23879 0x93835fa4 in -[NSSplitView _regionForOpaqueDescendants:forMove:] #23880 0x93766584 in -[NSView _regionForOpaqueDescendants:forMove:] #23881 0x93766584 in -[NSView _regionForOpaqueDescendants:forMove:] #23882 0x93785ac4 in -[NSThemeFrame _regionForOpaqueDescendants:forMove:] #23883 0x93765770 in -[NSView _drawRect:clip:] #23884 0x93764c1c in -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisib leRectForView:topView:] #23885 0x93785664 in -[NSThemeFrame _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisib leRectForView:topView:] #23886 0x9375e674 in -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] #23887 0x93753968 in -[NSView displayIfNeeded] #23888 0x937d9678 in UpdateViewAnimationViews #23889 0x907dc82c in CFDictionaryApplyFunction #23890 0x937d92d0 in -[NSViewAnimation setCurrentProgress:] #23891 0x937d920c in -[NSAnimation(NSInternal) _advanceTime] #23892 0x92978f5c in __NSFireTimer #23893 0x907f7aec in __CFRunLoopDoTimer #23894 0x907e4464 in __CFRunLoopRun #23895 0x907e3a18 in CFRunLoopRunSpecific #23896 0x92985164 in -[NSRunLoop runMode:beforeDate:] #23897 0x000f4844 in -[MySplitView setSplitterPosition:animate:] at MySplitView.m:131 #23898 0x000b5364 in -[LSMainWindowController toggleInfoView:] at LSMainWindowController.m:307 ================================================================
Beyond this, it starts repeating (repeats #23862-#23874).
2. LSMainWindowController.m:359 is the [sender display] call:
- (void)splitView:(MySplitView *)sender
resizeSubviewsWithOldSize:(NSSize)oldSize {
	// Don't interfere with animation.
	if ([sender isSplitterAnimating]) {
		[sender display]; // LSMainWindowController.m:359
		return;
	}
	// ...
}
3. I used some NSLogs to verify that -isSplitterAnimating is returning
the correct value.
4. I'm not overriding any of the NSSplitView draw methods.
5. The app exits with status -1 and then starts loading ~23,000 stack
frames. My initial Googling didn't tell me whether status -1 is a
stack overflow or something more useful.
I stared at the stack trace and and my code, and I don't see what's
causing the -splitView:resizeSubviewsWithOldSize: delegate method to
get called repeatedly. Any suggestions anyone can offer would be
great.
Larry


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References:  
  >Re: Animated split view collapsing (From: "Lawrence Sanbourne" <email@hidden>)
  >Re: Animated split view collapsing (From: Paul Kim <email@hidden>)
  >Re: Animated split view collapsing (From: "Lawrence Sanbourne" <email@hidden>)
  >Re: Animated split view collapsing (From: Paul Kim <email@hidden>)
  >Re: Animated split view collapsing (From: "Lawrence Sanbourne" <email@hidden>)




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