[clutter/clutter-1.20] backend: gdk: add translation code for touch events

[Lionel Landwerlin <llandwerlin src gnome org>]

commit ccd2054fdaba013a9b99b5e0471f5c94203c606d
Author: Lionel Landwerlin <llandwerlin gmail com>
Date:   Sat Aug 16 19:39:46 2014 +0100

    backend: gdk: add translation code for touch events
    
    https://bugzilla.gnome.org/show_bug.cgi?id=734934

 clutter/gdk/clutter-event-gdk.c |   27 +++++++++++++++++++++++++++
 1 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/clutter/gdk/clutter-event-gdk.c b/clutter/gdk/clutter-event-gdk.c
index eb5325c..7675cc1 100644
--- a/clutter/gdk/clutter-event-gdk.c
+++ b/clutter/gdk/clutter-event-gdk.c
@@ -184,6 +184,33 @@ clutter_gdk_handle_event (GdkEvent *gdk_event)
                     event->button.y);
       break;
 
+    case GDK_TOUCH_BEGIN:
+    case GDK_TOUCH_END:
+    case GDK_TOUCH_CANCEL:
+    case GDK_TOUCH_UPDATE:
+      event = clutter_event_new (gdk_event->type == GDK_TOUCH_BEGIN ?
+                                 CLUTTER_TOUCH_BEGIN :
+                                 ((gdk_event->type == GDK_TOUCH_END) ?
+                                  CLUTTER_TOUCH_END :
+                                  (gdk_event->type == GDK_TOUCH_UPDATE ?
+                                   CLUTTER_TOUCH_UPDATE :
+                                   CLUTTER_TOUCH_CANCEL)));
+      event->touch.time = gdk_event->touch.time;
+      event->touch.x = gdk_event->touch.x;
+      event->touch.y = gdk_event->touch.y;
+      event->touch.sequence = (ClutterEventSequence *) gdk_event->touch.sequence;
+      event->touch.modifier_state = gdk_event->touch.state;
+      clutter_event_set_device (event, device);
+      clutter_event_set_source_device (event, source_device);
+      CLUTTER_NOTE (EVENT, "Touch %p %s [%",
+                    event->touch.sequence,
+                    event->type == CLUTTER_TOUCH_BEGIN ? "begin" :
+                    (event->type == CLUTTER_TOUCH_END ? "end" :
+                     (event->type == CLUTTER_TOUCH_UPDATE ? "update"
+                      : "cancel")),
+                    event->touch.x, event->touch.y);
+      break;
+
     case GDK_2BUTTON_PRESS:
     case GDK_3BUTTON_PRESS:
       /* these are handled by clutter-main.c updating click_count */