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Window resize indicator changes

I've got a window that has a button that explicitly resizes the window to show additional information (click the button the window double in sizes to show an additional table, click again to hide that half of the window).

That additional information includes a tab view that includes some tables (the tab view has a hidden border, so it basically switch between different "detail" panes). When the window gets expanded and the tab view shows a table, the resize indicator changes to have a solid white background (since it overlaps a scroll bar). When the tab view is changed to something without a scroll bar, the resize indicator changes back, like expected.

The problem is that if the "show/hide" button is clicked while the resize indicator has the white background, it stays like that, and since that button is near the bottom corner, the white square ends up being on top of the button.

I've tried hiding the resize indicator before changing the window sizes and showing it afterwards, but that doesn't seem to help.

So any ideas how to tell the window "go back to the 'no white background' resize indicator"?

The code I'm using looks like this:

NSWindow *window = [myDetailsTab window];
[window setShowsResizeIndicator: NO];
NSSize oldSize = [[window contentView] frame].size;
NSRect frame = [myDetailsTab frame]; // is this visible?
[(NSView *)[window contentView] setAutoresizesSubviews:NO];
NSSize sizeLimit = [window minSize];
if ( show) {
// show details pane
[window setContentSize:NSMakeSize(oldSize.width + frame.size.width, oldSize.height)];
sizeLimit.width += frame.size.width;
} else {
// hide details paine
[window setContentSize:NSMakeSize(oldSize.width - frame.size.width, oldSize.height)];
sizeLimit.width -= frame.size.width;
}
[window setMinSize:sizeLimit];
[(NSView *)[window contentView] setAutoresizesSubviews:YES];
[[window contentView] setNeedsDisplay: YES];
[window setShowsResizeIndicator: YES];

where myDetailsTab occupies the right hand half of the window (which is the part that is shown/hidden).

If I manually resize the window, it seems to fix itself, but then suffers the reverse problem (i.e., if a table view is shown, toggling the details view back to visible causes the resize indicator to be the transparent one, rather than the solid white one, which overlaps the bottom arrow of the scroll bar until I manually resize it again).




Glenn Andreas                      email@hidden
 <http://www.gandreas.com/> wicked fun!
quadrium | build, mutate, evolve | images, textures, backgrounds, art

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