[gtk+] (20 commits) Created branch gestures

[Carlos Garnacho <carlosg src gnome org>]

The branch 'gestures' was created.

Summary of new commits:

  9814eb7... gdk: Add 3.14 version macros
  6ebc53e... Add GtkEventController
  6f54862... Add GtkGesture
  aeb7221... Add GtkGestureLongPress
  6119e14... Add GtkGestureSwipe
  aa1f523... Add GtkGestureRotate
  c71a2ce... Add GtkGestureZoom
  70c7cc4... Add GtkGestureDrag
  e6d9328... Add GtkGestureMultiPress
  e4a8022... hook GtkGesture* into docs generation
  32fc95d... gtk-demo: Add simple gestures demo
  3c0ccef... gtk: Remove propagation limit of captured events on the gra
  73cb758... widget: Hook GtkEventController to widget event processing.
  a7eba9f... widget: Add widget-level handling of touch sequence state.
  fc0c078... scrolledwindow: port to GtkGesture
  4b77191... docs: Add GtkWidget gesture functions
  08c47fa... widget: Implement hierarchy-level mechanism to claim/deny s
  3ba0f6c... gesture: Add private getter to know whether a touch begin w
  b3fa1c7... widget: Propagate touch/button press events when a sequence
  407f1b3... scrolledwindow: Use gesture button/touch press synthesizati