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evdev: Add clutter_evdev_event_sequence_get_slot()

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This function helps know the libinput slot used by a sequence.

https://bugzilla.gnome.org/show_bug.cgi?id=728968
This commit is contained in:
Carlos Garnacho
2014-04-25 20:14:01 +02:00
parent 50b3d7cd9b
commit 9510d6ac95
2 changed files with 23 additions and 0 deletions
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20
clutter/evdev/clutter-input-device-evdev.c
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@ -222,3 +222,23 @@ clutter_evdev_input_device_get_libinput_device (ClutterInputDevice *device)
return device_evdev->libinput_device;
}
/**
* clutter_evdev_event_sequence_get_slot:
* @sequence: a #ClutterEventSequence
*
* Retrieves the touch slot triggered by this @sequence
*
* Returns: the libinput touch slot.
*
* Since: 1.20
* Stability: unstable
**/
gint32
clutter_evdev_event_sequence_get_slot (const ClutterEventSequence *sequence)
{
if (!sequence)
return -1;
return GPOINTER_TO_INT (sequence) - 1;
}