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bug#3303: delete-frame raises old (invisible) frame
From: |
David Reitter |
Subject: |
bug#3303: delete-frame raises old (invisible) frame |
Date: |
Tue, 19 May 2009 22:07:00 -0400 |
On May 18, 2009, at 10:56 PM, David Reitter wrote:
The doc string says that the system may select it, and that's
exactly what happens here on Cocoa/OSX.
This reproduces the problem just as well:
(progn
(make-frame-invisible (selected-frame) t)
(select-frame (make-frame))
(delete-frame (selected-frame) t)
(select-frame (make-frame))
(sit-for 0)
(delete-frame (selected-frame) t))
i.e. we end up with a visible frame, the frame that we hid initially.
OK, I have traced this a bit further and reduced it to this:
(progn
(setq aa1 (selected-frame))
(make-frame-invisible (selected-frame) t)
(setq aa2 (selected-frame)
aa2v (frame-visible-p (selected-frame)))
(sit-for 1)
(setq aa3 (selected-frame)
aa3v (frame-visible-p (selected-frame))))
(list aa1 aa2 aa2v aa3 aa3v)
After evaluating the first sexp (Emacs -Q), one can see that the
selected frame doesn't change at any point. But aa2v is nil
(correctly so), and aa3v is suddenly t.
This does not happen with Emacs 22/Appkit. Both aa2v and aa3v are
nil, as they should.
Could someone check what the behavior is in another port (of 23)?
I believe that this is the cause of the problems we're after.
In the previous examples, when delete_frame calls do_switch_frame, the
frame is already deemed visible, even though it hasn't been made
visible through the appropriate system call. The above example
demonstrates that something (in the event loop, presumably) sets frame
visibility.
It is not a call to FRAME_SAMPLE_VISIBILITY, which is done in `frame-
visible-p' anyways. (The NS port always sets f->async_visible and
lets this macro set ->visible later.)
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- bug#3303: delete-frame raises old (invisible) frame, (continued)
- bug#3303: delete-frame raises old (invisible) frame, Adrian Robert, 2009/05/18
- bug#3303: delete-frame raises old (invisible) frame, David Reitter, 2009/05/18
- bug#3303: delete-frame raises old (invisible) frame, Stefan Monnier, 2009/05/18
- bug#3303: delete-frame raises old (invisible) frame, David Reitter, 2009/05/18
- bug#3303: delete-frame raises old (invisible) frame, Stefan Monnier, 2009/05/18
- bug#3303: delete-frame raises old (invisible) frame, David Reitter, 2009/05/18
- bug#3303: delete-frame raises old (invisible) frame, Stefan Monnier, 2009/05/18
- bug#3303: delete-frame raises old (invisible) frame, David Reitter, 2009/05/18
- bug#3303: delete-frame raises old (invisible) frame, YAMAMOTO Mitsuharu, 2009/05/19
- bug#3303: delete-frame raises old (invisible) frame, Stefan Monnier, 2009/05/19
- bug#3303: delete-frame raises old (invisible) frame,
David Reitter <=
- bug#3303: delete-frame raises old (invisible) frame, YAMAMOTO Mitsuharu, 2009/05/18
bug#3303: delete-frame raises old (invisible) frame, Chong Yidong, 2009/05/16
bug#3303: delete-frame raises old (invisible) frame, David Reitter, 2009/05/22
bug#3303: delete-frame raises old (invisible) frame, Adrian Robert, 2009/05/27