[Bug] Window mapping/unmapping problem
edu at thorsten-wissmann.de
Mon Mar 24 20:43:02 CET 2014
On Mon, Mar 24, 2014 at 12:11:21AM -0600, Wesley Merkel wrote:
> When using qjackctl (http://qjackctl.sourceforge.net/), some of the
> sub-windows of the program don't re-show after being opened again. For
> example, if you open the Connections window by clicking the "Connect"
> button, close it, then re-open it, then window does not re-appear. Here
> is an animation of this: (http://imgur.com/PGobhVh.gif).
I can reproduce it, thanks for reporting it! I'll try to fix it in the
> Although I am using a custom settings in the animation, I assure you
> that the bug still exists when using the default autostart settings. I
> should also add that if I close the main qjackctl window and restart
> the application, the bug "resets". The windows will appear again, but
> only once.
> A narrowed down the commit which introduced the bug. It is 33a9258,
> which is somewhere between v0.5.3 and v0.6.0. I also ran `xwininfo -root
> -all` a few times to figure out what was going on. The results are
> attached in "xwininfos.tar.gz", and are organized accordingly:
> xwininfo ran on the first commit with the bug (33a9258):
> xwininfo ran on the last commit without the bug (33a9258~):
> xwininfo ran during various times during the use of the "Connections"
> window, a window in which the bug is present:
> xwininfo ran during various times during the use of the "Setup" window,
> a window in which the bug is not present:
> xwininfo ran right after starting qjackctl:
> xwininfo ran right after opening the window in question:
> xwininfo ran right after closing the window:
> I did not include the output of xwininfo after the re-opening of the
> window failed, because it does not change from the '3-closed' state,
> which seems to be the problem.
> If you want to see the bug with your own eyes, you can download qjackctl
> and try opening the aforementioned windows. You don't need to setup
> anything or use any audio hardware to run the application, the bug
> exists right out of the box.
> I'm trying to fix the bug myself, but I don't know much about X, or the
> internals of herbstluftwm, so I am having a little trouble. Any help
> would be much appreciated.
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