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-Generic plug-in for evdev touch events.
-
-Tested with the following drivers: bcm5974, hid_magicmouse.
-
-(1) Using as a QPA generic plug-in
-
-1. set up and connect the touch device
-2. install libudev-dev or similar
-3. build this plug-in (qmake && make)
-4. sudo cp 70-qtouchscreen.rules /etc/udev/rules.d
-5. sudo udevadm trigger --subsystem-match=input
-6. ./fingerpaint -plugin LinuxTouchScreen:force_window
-
-If automatic detection does not work, use -plugin
-LinuxTouchScreen:/dev/input/eventN to explicitly set the device file
-name.
-
-By default the surface of the touch device is mapped to the entire
-screen. If this is not desired, pass force_window in the plugin
-specification as shown in the example above. This will cause mapping
-the touch surface to the active window instead.
-
-Only touch events are generated, mouse events are not. Be aware however
-that ignored touch events will generate a mouse event from the first
-touch point by default. See AA_SynthesizeMouseForUnhandledTouchEvents.
-
-(2) Using in a compositor
-
-The classes (QTouchScreenHandler, QTouchScreenHandlerThread) are also
-suitable for direct inclusion into an application, e.g. a Wayland
-compositor. The compositor may then register its own
-QTouchScreenObserver because relying on the QTouchEvents generated by
-the QPA event sender may not always be satisfactory as some low-level
-details get lost, and due to performance reasons.
-
-(3) Possible issues and solutions
-
-The udev rule matches any touchpad device. If there are multiple ones,
-specify the device as described above.
-
-If no evdev events are read, remove 50-synaptics.conf (or similar)
-from /usr/share/X11/xorg.conf.d and restart X. Or at least temporarily
-disable the device by running xinput set-prop <device> <device enabled
-property> 0. Use xinput list and xinput list-props to figure out the
-values.