Forcing ordered-out-window to adjust position
Forcing ordered-out-window to adjust position
- Subject: Forcing ordered-out-window to adjust position
- From: Philip White <email@hidden>
- Date: Sat, 15 May 2010 10:39:53 -0500
Hello,
I was hoping someone could offer me some suggestions: Here is what I'm trying to do.
I have a window that I create with the NSBorderlessWindowMask flag set. Since windows with this flag set don't really adopt any of the cocoa movement, sizing, or constraining behavior, I've been forced to reimplement this myself. The only real problem has been the constraining behavior (keeping titlebars on screen, not behind the menubar, etc). I've developed a decent approximation of Cocoa's behavior but I keep on finding shortcomings in this behavior when there a multiple screens arranged in unusual ways.
So I came up with what I though was a bright idea. I'd keep a dummy window, a normal titled, bordered window, and use it to test window positions and shapes for validity. Of course that window has to be ordered-out so the user is unaware of it. So the problem is, while ordered-out windows are subject to the same constraints as ordered-in windows, those constraints seemed to be applied lazily. So if you use NSWindow's setFrameOrigin: to set an ordered-in window's position to something invalid, that position will be corrected immediately. But for an ordered-out window it will be corrected sometime later in the run loop. I've tried various schemes for deferring checking of the dummy window's position (notifications using NSPostWhenIdle, etc.) but I can't get consistent behavior.
Is there a way force a window to immediately do its constraint checks? I've poked around with FScript trying to figure something out but no luck yet.
Many thanks in advance,
Philip White
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