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Review request for Plasma. Bugs: 367685 http://bugs.kde.org/show_bug.cgi?id=367685 Repository: plasma-framework Description ------- # The new Meta-key support for launcher opening doesn't work for closing at the moment. My analysis of the problem was as follows: - KWin calls Applet::activated() over DBus - Applet::activated() is connected to AppletInterface::activated() - AppletInterface::activated() is connected to setExpanded(true), which can only expand the launcher, but not the other way around # Q: Why is Alt+F1 working though? A: The launchers seem to inherit the reimplementation function Dialog::focusOutEvent(..). Atleast when you delete line 1094, which sets the visibility to false, it's not working anymore. Alt+F1 triggers the focusOutEvent(..) as a global shortcut. # Q: Why is it working with the Dashboard though? A: The dashboard doesn't use the expanded feature of the plasmoid, but rather connects directly to the AppletInterface::activated() signal and shows/hides an independent widget by getting triggered on it. # Solution: Create new toggled() signal chain in KWin, Applet, AppletInterface, which tests the current expanded state and setting it afterwards accordingly to its opposite. This diff here in plasma-framework is the first one, the others are dependent on. The others are on Phabricator: - kwin: soon - plasma-workspace: soon - plasma-desktop: soon # Need feedback regarding: - Should we remove the activated() signal chain? Is it used somewhere else than KWin? - Could a race condition occur if we deexpand the applet while at the same time setting the visibility to false through focusOutEvent()? My tests until now don't suggest it, but I haven't yet looked into it extensively. Diffs ----- src/plasma/applet.h 89498ea src/scriptengines/qml/plasmoid/appletinterface.h a1e2cd7 src/scriptengines/qml/plasmoid/appletinterface.cpp 1cd6934 Diff: https://git.reviewboard.kde.org/r/129204/diff/ Testing ------- Thanks, Roman Gilg