[empathy: 10/18] Highlight the preview when hovered

[Emilio Pozuelo Monfort <epm src gnome org>]

commit ca2cb730d68620a638ef41d09cd25984e6cb4008
Author: Emilio Pozuelo Monfort <emilio pozuelo collabora co uk>
Date:   Wed Aug 10 10:27:10 2011 +0100

    Highlight the preview when hovered
    
    https://bugzilla.gnome.org/show_bug.cgi?id=656268

 src/empathy-call-window.c |   43 ++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 42 insertions(+), 1 deletions(-)
---
diff --git a/src/empathy-call-window.c b/src/empathy-call-window.c
index feb16a3..78ff5cb 100644
--- a/src/empathy-call-window.c
+++ b/src/empathy-call-window.c
@@ -565,7 +565,7 @@ empathy_call_window_create_preview_rectangle (EmpathyCallWindow *self,
       SELF_VIDEO_SECTION_HEIGTH + 2 * SELF_VIDEO_MARGIN);
 
   clutter_actor_set_size (rectangle,
-      SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGTH);
+      SELF_VIDEO_SECTION_WIDTH + 5, SELF_VIDEO_SECTION_HEIGTH + 5);
 
   clutter_container_add_actor (CLUTTER_CONTAINER (box), rectangle);
 
@@ -800,6 +800,42 @@ empathy_call_window_preview_on_drag_motion_cb (ClutterDragAction *action,
     empathy_call_window_darken_preview_rectangles (self);
 }
 
+static gboolean
+empathy_call_window_preview_enter_event_cb (ClutterActor *actor,
+    ClutterCrossingEvent *event,
+    EmpathyCallWindow *self)
+{
+  ClutterActor *rectangle;
+  PreviewPosition pos;
+
+  pos = empathy_call_window_get_preview_position (self, event->x, event->y);
+  rectangle = empathy_call_window_get_preview_rectangle (self, pos);
+
+  empathy_call_window_highlight_preview_rectangle (self, pos);
+
+  clutter_actor_show (rectangle);
+
+  return FALSE;
+}
+
+static gboolean
+empathy_call_window_preview_leave_event_cb (ClutterActor *actor,
+    ClutterCrossingEvent *event,
+    EmpathyCallWindow *self)
+{
+  ClutterActor *rectangle;
+  PreviewPosition pos;
+
+  pos = empathy_call_window_get_preview_position (self, event->x, event->y);
+  rectangle = empathy_call_window_get_preview_rectangle (self, pos);
+
+  empathy_call_window_darken_preview_rectangle (self, rectangle);
+
+  clutter_actor_hide (rectangle);
+
+  return FALSE;
+}
+
 static void
 create_video_preview (EmpathyCallWindow *self)
 {
@@ -894,6 +930,11 @@ create_video_preview (EmpathyCallWindow *self)
   g_signal_connect (action, "drag-motion",
       G_CALLBACK (empathy_call_window_preview_on_drag_motion_cb), self);
 
+  g_signal_connect (preview, "enter-event",
+      G_CALLBACK (empathy_call_window_preview_enter_event_cb), self);
+  g_signal_connect (preview, "leave-event",
+      G_CALLBACK (empathy_call_window_preview_leave_event_cb), self);
+
   clutter_actor_add_action (preview, action);
   clutter_actor_set_reactive (preview, TRUE);
 }