GTK3 canvas: don't use deprecated GDK grab API

taken from:
https://git.gnome.org/browse/nautilus/commit/?h=gnome-3-2&id=2ff006d

2 files changed, 62 insertions, 1 deletions

diff --git a/eel/eel-canvas.c b/eel/eel-canvas.c
index 55d983c8..1e45224d 100644
--- a/eel/eel-canvas.c
+++ b/eel/eel-canvas.c
@@ -341,12 +341,16 @@ eel_canvas_item_dispose (GObject *object)
             item->canvas->need_repick = TRUE;
         }
 
+#if GTK_CHECK_VERSION(3, 0, 0)
+        eel_canvas_item_ungrab (item, GDK_CURRENT_TIME);
+#else
         if (item == item->canvas->grabbed_item)
         {
             GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (item->canvas));
             item->canvas->grabbed_item = NULL;
             gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
         }
+#endif
 
         if (item == item->canvas->focused_item)
             item->canvas->focused_item = NULL;
@@ -888,6 +892,40 @@ eel_canvas_item_hide (EelCanvasItem *item)
  * returns %GDK_GRAB_NOT_VIEWABLE.  Else, it returns the result of calling
  * gdk_pointer_grab().
  **/
+#if GTK_CHECK_VERSION(3, 0, 0)
+GdkGrabStatus
+eel_canvas_item_grab (EelCanvasItem *item,
+                      GdkEventMask event_mask,
+                      GdkCursor *cursor,
+                      guint32 timestamp)
+{
+    GdkGrabStatus retval;
+    GdkDisplay *display;
+    GdkDeviceManager *manager;
+    GdkDevice *device;
+
+    g_return_val_if_fail (EEL_IS_CANVAS_ITEM (item), GDK_GRAB_NOT_VIEWABLE);
+    g_return_val_if_fail (gtk_widget_get_mapped (GTK_WIDGET (item->canvas)),
+                          GDK_GRAB_NOT_VIEWABLE);
+
+    if (item->canvas->grabbed_item)
+        return GDK_GRAB_ALREADY_GRABBED;
+
+    if (!(item->flags & EEL_CANVAS_ITEM_MAPPED))
+        return GDK_GRAB_NOT_VIEWABLE;
+
+    display = gtk_widget_get_display (GTK_WIDGET (item->canvas));
+    manager = gdk_display_get_device_manager (display);
+    device = gdk_device_manager_get_client_pointer (manager);
+
+    retval = gdk_device_grab (device,
+                              gtk_layout_get_bin_window (GTK_LAYOUT (item->canvas)),
+                              GDK_OWNERSHIP_NONE,
+                              FALSE,
+                              event_mask,
+                              cursor,
+                              timestamp);
+#else
 int
 eel_canvas_item_grab (EelCanvasItem *item, guint event_mask, GdkCursor *cursor, guint32 etime)
 {
@@ -909,6 +947,7 @@ eel_canvas_item_grab (EelCanvasItem *item, guint event_mask, GdkCursor *cursor,
                                NULL,
                                cursor,
                                etime);
+#endif
 
     if (retval != GDK_GRAB_SUCCESS)
         return retval;
@@ -933,6 +972,10 @@ void
 eel_canvas_item_ungrab (EelCanvasItem *item, guint32 etime)
 {
     GdkDisplay *display;
+#if GTK_CHECK_VERSION(3, 0, 0)
+    GdkDeviceManager *manager;
+    GdkDevice *device;
+#endif
 
     g_return_if_fail (EEL_IS_CANVAS_ITEM (item));
 
@@ -940,11 +983,18 @@ eel_canvas_item_ungrab (EelCanvasItem *item, guint32 etime)
         return;
 
     display = gtk_widget_get_display (GTK_WIDGET (item->canvas));
+#if GTK_CHECK_VERSION(3, 0, 0)
+    manager = gdk_display_get_device_manager (display);
+    device = gdk_device_manager_get_client_pointer (manager);
+
+    item->canvas->grabbed_item = NULL;
+    gdk_device_ungrab (device, etime);
+#else
     item->canvas->grabbed_item = NULL;
     gdk_display_pointer_ungrab (display, etime);
+#endif
 }
 
-
 /**
  * eel_canvas_item_w2i:
  * @item: A canvas item.
@@ -2274,9 +2324,13 @@ shutdown_transients (EelCanvas *canvas)
 
     if (canvas->grabbed_item)
     {
+#if GTK_CHECK_VERSION(3, 0, 0)
+        eel_canvas_item_ungrab (canvas->grabbed_item, GDK_CURRENT_TIME);
+#else
         GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (canvas));
         canvas->grabbed_item = NULL;
         gdk_display_pointer_ungrab (display, GDK_CURRENT_TIME);
+#endif
     }
 
     remove_idle (canvas);
diff --git a/eel/eel-canvas.h b/eel/eel-canvas.h
index 6aa227e0..f641087a 100644
--- a/eel/eel-canvas.h
+++ b/eel/eel-canvas.h
@@ -255,8 +255,15 @@ extern "C" {
      * grab.  Time is a proper X event time parameter.  Returns the same values as
      * XGrabPointer().
      */
+#if GTK_CHECK_VERSION (3, 0, 0)
+     GdkGrabStatus eel_canvas_item_grab (EelCanvasItem *item,
+                                         GdkEventMask event_mask,
+                                         GdkCursor *cursor,
+                                         guint32 etime);
+#else
     int eel_canvas_item_grab (EelCanvasItem *item, unsigned int event_mask,
                               GdkCursor *cursor, guint32 etime);
+#endif
 
     /* Ungrabs the mouse -- the specified item must be the same that was passed to
      * eel_canvas_item_grab().  Time is a proper X event time parameter.