[gtk+] (27 commits) Created branch multitouch

[Carlos Garnacho <carlosg src gnome org>]

The branch 'multitouch' was created.

Summary of new commits:

  92ad1d5... configure: Detect XInput 2.1
  be775a4... Add touch motion event type and mask.
  6cffd2a... Add initial handling of TouchMotion events.
  23ae15d... Handle TouchBegin/End events
  0bd09b0... Make touch events go through csw/widget event handling.
  18f7b93... Add gdk_event_get_touch_id()
  a0a2320... Introduce GdkTouchCluster
  5697b87... Add gdk_window_[create|remove]_touch_cluster()
  7856b3c... Define GdkEventMultiTouch and its related event types.
  b1b3310... Add machinery to emit GdkEventMultiTouch events
  2f97d3a... Add multitouch-event signal and vfunc to GtkWidget
  b927a55... gtk-demo: Add multitouch demo
  bf2a433... gdk: Update touch events to latest spec
  140cab2... gdk: Add GDK_SOURCE_MULTITOUCH
  59075a5... xi2: Use GDK_SOURCE_MULTITOUCH for multitouch devices
  7e89a00... Add a gestures interpreter
  26b0bec... gestures: Implement gestures interpreter
  c134096... tests: Add testgestures
  53b0a97... gtk: Add helper API to handle gestures
  f6b2b37... gestures: Add API documentation
  a3e31a3... gtk: Document helper GtkWidget gestures API
  ce3e5c5... gestures: Add some unit tests
  cae0383... gdk: Add gdk_event_get_touch_area()
  b8dda4f... gtk,pah: Use the touch area if available for the notificati
  04cda25... gtk,scrolledwindow: Let GDK_SOURCE_MULTITOUCH devices do ki
  2381234... gtk,pah: Handle press-and-hold on touch devices
  1afe520... gdk,xi2: Update to latest XInput2.2 spec