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Martin Gräßlin 6af0cc6ebe Add support for touch events in the Effect system
Summary:
The Effect class is extended by three new virtual methods:
* touchDown
* touchMotion
* touchUp

The methods return a boolean value so that the events can be filtered
out. E.g. an effect which has also a mouse grab installed wants to
filter out all events, other effects don't need the events exclusively.

This is a difference to how e.g. keyboard and pointer events are handled.
But is more close to how KWin's internal input event passing works and
makes it easier to get touch event: one does not explicitly has to grab
the events. It's also closer to Wayland where all input events are
available.

As a first example the Present Windows effect is adjusted and allows to
activate windows through the touch screen. As much code as possible is
shared with pointer input.

Reviewers: #kwin, #plasma_on_wayland

Subscribers: plasma-devel, kwin

Tags: #plasma_on_wayland, #kwin

Differential Revision: https://phabricator.kde.org/D2450
8 years ago
..
CMakeLists.txt
main.qml
presentwindows.cpp Add support for touch events in the Effect system 8 years ago
presentwindows.h Add support for touch events in the Effect system 8 years ago
presentwindows.kcfg
presentwindows_config.cpp
presentwindows_config.desktop
presentwindows_config.h
presentwindows_config.ui
presentwindows_proxy.cpp
presentwindows_proxy.h
presentwindowsconfig.kcfgc