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Re: sheets in GNUstep

From: Ivan Vučica
Subject: Re: sheets in GNUstep
Date: Thu, 19 Mar 2015 17:56:42 +0000

It should not be a subview, given that a sheet can be larger than the window it's attached to. And it doesn't resize the window under OS X (how would the code deal with situation where a dimension in sheet's minimum size is larger than a dimension in view's or window's maximum size?)

On Thu, Mar 19, 2015 at 5:27 PM, Fred Kiefer <address@hidden> wrote:
Am 19.03.2015 um 17:01 schrieb Riccardo Mottola <address@hidden>:
> Fred Kiefer wrote:
>> I think most of the code there in GSAlertSheet is by you, so you are of course free to remove it again, but wouldn't it be more worthewhile to find out what is missing for a proper implementation of sheets? I would expect that we need some copy of ruModalSession: that only ignores events for the parent window, or even more simple ignore events in a window while a sheet is attached to it. Plus some additional code that keeps the two windows together. What else would be needed?
> the sheet actually seems working!
> Why is it missing window decorations and has an unexpected color?
> This explains the color I suppose:
>      [self setBackgroundColor:           [[parent backgroundColor]         highlightWithLevel: 0.4]];
> Put I fail to understand where the window should be created.

Just a few lines above where the styleMask is set to NSBorderlessWindowMask. All this is intentional and looks correct to me. As Greg explained what we really need to sort out is how to get the two windows to interact properly. Here his idea to do it on the view level could be the solution.

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