Review Request 115910: Screenedge show support for Clients

[Marco Martin]

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Ship it!


on plasma side, a +1 ;)

- Marco Martin


On Feb. 20, 2014, 1:51 p.m., Martin Gräßlin wrote:
> 
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> https://git.reviewboard.kde.org/r/115910/
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> (Updated Feb. 20, 2014, 1:51 p.m.)
> 
> 
> Review request for kwin and Plasma.
> 
> 
> Repository: kde-workspace
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> 
> Description
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> 
> Screenedge show support for Clients
> 
> This provides a new protocol intended to be used by auto-hiding panels
> to make use of the centralized screen edges. To use it a Client can
> send a client message of type _KDE_NET_WM_SCREEN_EDGE_SHOW to KWin.
> KWin will hide the Client (hide because unmap or minimize would break
> it) and create an Edge. If that Edge gets triggered the Client is shown
> again. If the Client doesn't border a screen edge the Client gets shown
> immediately so that we never end in a situation that we cannot unhide
> the auto-hidden panel again. The exact process is described in the
> documentation of ScreenEdges.
> 
> If KWin gets restarted the Client gets shown again.
> 
> As this is a KWin specific extension we need to discuss what it means
> for Clients using this feature with other WMs: it does nothing. As
> the Client gets hidden by KWin and not by the Client, it just doesn't
> get hidden if the WM doesn't provide the feature. In case of an
> auto-hiding panel this seems like a good solution given that we don't
> want to hide it if we cannot unhide it. Of course there's the option
> for the Client to provide that feature itself and if that's wanted we
> would need to announce the feature in the _NET_SUPPORTED atom. At the
> moment that doesn't sound like being needed as Plasma doesn't want to
> provide an own implementation.
> 
> The implementation comes with a small test application showing how
> the feature is intended to be used.
> 
> 
> Diffs
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>   kwin/atoms.h 1690067c5d1da59f38f9e77ef64eacfbc1faa0cf 
>   kwin/atoms.cpp 904f5efe4a32e3673dae9e6da92bf4336def660d 
>   kwin/client.cpp 36431bfc33418a207de12fa8cc95a35539256366 
>   kwin/events.cpp 1fa6e425d4dac7d661612e5d090c3c9c8f4b1a18 
>   kwin/screenedge.h 60f5fd669ccc5eb627feffa460552558d1765b31 
>   kwin/screenedge.cpp 04cf0d6d5262ab84d88559b6dc85e099efec77bf 
>   kwin/tests/CMakeLists.txt 3fa16f21c617a8f4b39b2bbd39b534b6a11e8d14 
>   kwin/tests/screenedgeshowtest.cpp PRE-CREATION 
> 
> Diff: https://git.reviewboard.kde.org/r/115910/diff/
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> 
> Testing
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> 
> Thanks,
> 
> Martin Gräßlin
> 
>

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