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KRunner provides a set of desktop services including:
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- a launch or "Run Command" dialog
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- screensaver activation and screen locking
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- application startup notification control
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The launch dialog accepts user input and passes that input through a series of
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"runners". Each runner is a subclass of the Runner class and provides three
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1) whether or not it has matches for the given text input
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2) providing a widget containing options associated with the runner, if any
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Runners may also be provided via plugins. See runners/search/ for an example.
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Screensaver and screen locking
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This functionality is provided by the D-Bus service described in
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org.freedesktop.ScreenSaver.xml and is made available on the session bus under the
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service name org.freedesktop.ScreenSaver, path /ScreenSaver
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The locking is managed by a small app found in lock/
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A restarting application so even a crash won't result in no krunner
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A window for accepting search input, implemented in the Interface class
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Please read http://techbase.kde.org/Projects/Plasma/Tasks for further information.