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@Thomas: any further comments on the latest approach? - Martin Gräßlin On Feb. 24, 2014, 11:16 a.m., Martin Gräßlin wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://git.reviewboard.kde.org/r/115910/ > ----------------------------------------------------------- > > (Updated Feb. 24, 2014, 11:16 a.m.) > > > Review request for kwin and Plasma. > > > Repository: kde-workspace > > > Description > ------- > > 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 > set an X11 property of type _KDE_NET_WM_SCREEN_EDGE_SHOW to KWin. > As value it takes: > * 0: top edge > * 1: right edge > * 2: bottom edge > * 3: left edge > > 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 and the property gets deleted. If the Client doesn't border the > specified 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. The Client can request to be shown again by deleting the > property. > > If KWin gets restarted the state is read from the property and it is > tried to create the edge as described. > > 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 > ----- > > kwin/atoms.h 1690067c5d1da59f38f9e77ef64eacfbc1faa0cf > kwin/atoms.cpp 904f5efe4a32e3673dae9e6da92bf4336def660d > kwin/client.h 6a0dbe4f45f9bb6c58de8c045488cec990e95118 > kwin/client.cpp 36431bfc33418a207de12fa8cc95a35539256366 > kwin/events.cpp 1fa6e425d4dac7d661612e5d090c3c9c8f4b1a18 > kwin/manage.cpp 3e385cd6aeceee3c3bff4e09be2aee130856201f > 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/ > > > Testing > ------- > > > Thanks, > > Martin Gräßlin > >
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