Review Request 127374: Fix taskbar flicking when opening Plasma popups
David Edmundson
david at davidedmundson.co.uk
Mon Mar 14 19:22:01 UTC 2016
> On March 14, 2016, 7:10 p.m., Kai Uwe Broulik wrote:
> > Doesn't https://codereview.qt-project.org/#/c/149013/ fix that?
Oh wow thanks. I'd just started redoing the same patch. I could have wasted quite some time.
David Rosca is super awesome.
However, this is still a better way of handling the Qt 5.5 case than what we do currently so I'd still like to merge it.
- David
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This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/127374/#review93512
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On March 14, 2016, 6:45 p.m., David Edmundson wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/127374/
> -----------------------------------------------------------
>
> (Updated March 14, 2016, 6:45 p.m.)
>
>
> Review request for KDE Frameworks and Plasma.
>
>
> Repository: plasma-framework
>
>
> Description
> -------
>
> When we show a Qt window it resets all wm_states, including the
> SKIP_TASKBAR state that Qt doesn't support see
> QXcbWindow::setNetWmStates
>
> In order to set the flag we need to do it after Qt has mapped the
> window. (after a showEvent)
>
> Dialog previously did this using ExposeEvent which we know will happen after show.
>
> However:
> 1) This is a rather random fix
> 2) It will be called after TaskManager has been notified of a new window
>
> By merging into the same event we can make sure the flag is set before
> the task manager processes the new window. This means task manager will always skip plasma popups.
>
> A better fix will obviously be patching Qt to not reset flags it doesn't know about
> and then we can set this flag in the ctor. I shall try and do that for Qt 5.7.
>
> BUG: 332024
> REVIEW:
>
>
> Diffs
> -----
>
> src/plasmaquick/dialog.cpp 56f39c0740a1e32a9588e7461dcb45aab3fe9e85
>
> Diff: https://git.reviewboard.kde.org/r/127374/diff/
>
>
> Testing
> -------
>
> Added debug in libtaskmanager, the window flags are always correct for the new window.
>
>
> Thanks,
>
> David Edmundson
>
>
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