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Jonas Dreßler authored
Move the tracking of the number of touch sequences on the screen to determine whether the sequence is pointer emulating from MetaGestureTracker to ClutterInputDevice. To do this, add new API to get the number of touches to ClutterInputDevice and remove the API from MetaGestureTracker. This is a first step for removing the sequence tracking inside meta-gesture-tracker, also it makes the check more clear since we can compare the number against 1 now (the number of sequences of the input device is already updated at this point). GNOME/mutter!790
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