Have you filed a radar? You already have a test project, so the hard part is
done. Please be sure to attach the test project to the radar.
-raleigh
On Sep 23, 2011, at 4:03 AM, Martin Hedenfalk wrote:
> Hi,
>
> I'm having problems with vertical NSSplitViews in Lion. I'm dynamically
> adding subviews and nesting horizontal and vertical NSSplitViews. I don't get
> these problems in Snow Leopard.
>
> Splitting horizontally seems to work fine, but splitting vertically causes
> several problems:
>
> - divider width is (sometimes) way too large
> - sometimes the divider is not shown at all
> - splitting time increases with number of subviews (10s with ~20 subviews)
> - the subview frames gets messed up and the following is printed in the
> console (here the two subviews overlap):
>
> 2011-09-23 11:54:28.745 splits[52596:707] <NSSplitView: 0x1003c8c80>:
> -resizeSubviewsWithOldSize: was invoked and left the subview frames in an
> inconsistent state:
> 2011-09-23 11:54:28.746 splits[52596:707] Split view bounds: {{0, 0}, {208,
> 215}}
> 2011-09-23 11:54:28.746 splits[52596:707] Subview frame: {{0, 0}, {94,
> 215}}
> 2011-09-23 11:54:28.747 splits[52596:707] Subview frame: {{89, 0}, {119,
> 215}}
> 2011-09-23 11:54:28.747 splits[52596:707] The subview frames are not in the
> same order as the subviews array. NSSplitView requires that these orders be
> kept consistent, otherwise behavior is undefined.
>
> I've made a minimal test project that shows the issue.
> It's available at http://bzero.se/splits.zip.
>
> This code does not use a delegate for the split view, so it can't be that I'm
> doing something weird in [splitView:resizeSubviewsWithOldSize:].
>
> The core of the code is the method that splits the content views (which
> contain a single NSTextView):
>
> - (NSViewController *)splitView:(NSViewController *)viewController
> withView:(NSViewController *)newViewController
> vertically:(BOOL)isVertical
> {
> NSView *view = [viewController view];
> NSView *newView = [newViewController view];
> NSSplitView *split = (NSSplitView *)[view superview];
>
> /* If there is only one subview in the split, convert it to the desired
> orientation. */
> if ([[split subviews] count] == 1 && [split isVertical] != isVertical)
> [split setVertical:isVertical];
>
> if ([split isVertical] == isVertical) {
> /* Same orientation, just add another view to this split. */
> [split addSubview:newView];
> } else {
> /*
> * Different orientation, replace the view with a new split view
> * containing the new and old content views.
> */
> NSSplitView *newSplit = [[NSSplitView alloc] initWithFrame:[view
> frame]];
> [newSplit setVertical:isVertical];
> [newSplit setAutoresizingMask:NSViewWidthSizable |
> NSViewHeightSizable];
> [newSplit setAutoresizesSubviews:YES];
> [split replaceSubview:view with:newSplit];
> [newSplit addSubview:view];
> [newSplit addSubview:newView];
> [newSplit release];
> }
>
> [window makeFirstResponder:newView];
> [views addObject:newViewController];
>
> return newViewController;
> }
>
> Am I doing something wrong with the subviews?
>
> TIA
> .martin
>
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