[gtk+] (40 commits) Created branch multitouch

[Carlos Garnacho <carlosg src gnome org>]

The branch 'multitouch' was created.

Summary of new commits:

  acd1442... gdk,xi2: Add major/minor properties to XI2 device manager
  8e06289... configure: Detect XInput 2.1
  7d4b6fe... Add touch motion event type and mask.
  c71e593... Add initial handling of TouchMotion events.
  a133945... Handle TouchBegin/End events
  9ce8c73... Make touch events go through csw/widget event handling.
  da07921... Add gdk_event_get_touch_id()
  465a78d... Introduce GdkTouchCluster
  2b27f5d... Add gdk_window_[create|remove]_touch_cluster()
  b3c507d... Define GdkEventMultiTouch and its related event types.
  9cc2b70... Add machinery to emit GdkEventMultiTouch events
  daa4a0b... Add multitouch-event signal and vfunc to GtkWidget
  c55939e... gtk-demo: Add multitouch demo
  b357ac2... gdk: Update touch events to latest spec
  97c9169... xi2: Use GDK_SOURCE_TOUCH for multitouch devices
  3a6a686... Add a gestures interpreter base implementation
  64adaea... gestures: Implement gestures interpretation
  a4d6031... tests: Add testgestures
  49b3955... gtk: Add helper API to handle gestures
  009d282... gestures: Add API documentation
  9a36293... gtk: Document helper GtkWidget gestures API
  716895d... gestures: Add some unit tests
  aec8da6... gdk: Add gdk_event_get_touch_area()
  e351281... gtk,pah: Handle press-and-hold on touch devices
  6e456b0... gdk,xi2: Update to latest XInput2.2 spec
  8f1bacc... gdk,xi2: Only enable multitouch if the server reports XI2.2
  730ab98... gdk,xi2: Set GDK_BUTTON1_MASK on touch events
  f079048... gdk: Add internal API to set "pointer emulated" flag on eve
  7dbda71... gdk,xi2: set pointer emulated flags on events with XIPointe
  8c6d74c... gdk,csw: Don't change window_under_pointer for pure touch e
  40b3351... gdk,display: Add internal API to deal with touch implicit g
  8c6dce8... gdk,csw: handle implicit touch grabs
  0cae1f7... gtk: rewrite touch events wrt the window group too
  8ea46ab... gtk,range: Don't perform a GTK+ grab
  ccb4565... gtk,button: Handle touch events
  164b192... gdk: Have touch grabs behave like the implicit grab wrt cro
  2ca21de... gdk: Only trigger motion hints machinery on motion events
  775e573... gdk,devicemanager: Mark touch events emulating the pointer 
  0580c3e... gdk: Listen to touch events by default on the native window
  4b97a13... demos: Demonstrate further features in the multitouch demo