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5b5b6bca06
seats are more a compositor concept than a concept of the input library. All devices in a libinput context are associated with the seat given on creation of the seat (maps to ID_SEAT in udev for the udev backend). A logical seat may be assigned to a device (e.g. WL_SEAT) but this does not necessarily map to the creation of the seat in the compositor. Drop the seat events but keep seat objects around so that the caller can still identify which seat a device belongs to. If the libinput_seat_unref() in the udev backend destroys the seat, the device list of that seat is invalid and we'd be accessing already freed bytes. To avoid this, ref the seat before the device removal loop, then unref it once we're done - that unref then may trigger the actual removal of the seat. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> |
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This library does processing on input device events while providing an API to the the user used for delegating more useful input events. Input event processing includes scaling touch coordinates, generating pointer events from touchpads, pointer acceleration, etc. It is based on the input code from the weston Wayland reference compositor. It has no other dependencies than libmtdev and supports only evdev devices.