[gtk+] broadway: Support window resize/drag via touch

[Alexander Larsson <alexl src gnome org>]

commit 4e8fa558270adc644d3f1c158e176c5516395848
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Nov 12 16:44:30 2013 +0100

    broadway: Support window resize/drag via touch

 gdk/broadway/gdkeventsource.c     |    4 ++++
 gdk/broadway/gdkwindow-broadway.c |   28 ++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 0 deletions(-)
---
diff --git a/gdk/broadway/gdkeventsource.c b/gdk/broadway/gdkeventsource.c
index a7d3c6e..fe5dad6 100644
--- a/gdk/broadway/gdkeventsource.c
+++ b/gdk/broadway/gdkeventsource.c
@@ -241,6 +241,10 @@ _gdk_broadway_events_got_input (BroadwayInputMsg *message)
             display_broadway->touch_sequence_down == message->touch.sequence_id)
           display_broadway->touch_sequence_down = 0;
 
+        if (event_type != GDK_TOUCH_BEGIN &&
+            is_first_down && _gdk_broadway_moveresize_handle_event (display, message))
+          break;
+
        event = gdk_event_new (event_type);
        event->touch.window = g_object_ref (window);
        event->touch.sequence = GUINT_TO_POINTER(message->touch.sequence_id);
diff --git a/gdk/broadway/gdkwindow-broadway.c b/gdk/broadway/gdkwindow-broadway.c
index 5a67bb1..bfcba8a 100644
--- a/gdk/broadway/gdkwindow-broadway.c
+++ b/gdk/broadway/gdkwindow-broadway.c
@@ -1197,6 +1197,34 @@ _gdk_broadway_moveresize_handle_event (GdkDisplay *display,
 
   switch (event->base.type)
     {
+    case BROADWAY_EVENT_TOUCH:
+      if (event->touch.touch_type == 2) /* END */
+        {
+          update_pos (mv_resize,
+                      event->touch.root_x,
+                      event->touch.root_y);
+
+          finish_drag (mv_resize);
+        }
+      else if (event->touch.touch_type == 1) /* UPDATE */
+        {
+          if (mv_resize->moveresize_window->resize_count > 0)
+            {
+              if (mv_resize->moveresize_pending_event)
+                *mv_resize->moveresize_pending_event = *event;
+              else
+                mv_resize->moveresize_pending_event =
+                  g_memdup (event, sizeof (BroadwayInputMsg));
+
+              break;
+            }
+          update_pos (mv_resize,
+                      event->touch.root_x,
+                      event->touch.root_y);
+        }
+
+      break;
+
     case BROADWAY_EVENT_POINTER_MOVE:
       if (mv_resize->moveresize_window->resize_count > 0)
        {