[gtk+/gtk-2-24-quartz] quartz: Factor out toplevel from NSEvent code into function

[John Ralls <jralls src gnome org>]

commit 987151bab2cc4e7c27ea5255159c85d7e53a765e
Author: Kristian Rietveld <kris lanedo com>
Date:   Sat Nov 5 22:53:22 2011 +0100

    quartz: Factor out toplevel from NSEvent code into function

 gdk/quartz/gdkevents-quartz.c |   37 ++++++++++++++++++++++++++-----------
 1 files changed, 26 insertions(+), 11 deletions(-)
---
diff --git a/gdk/quartz/gdkevents-quartz.c b/gdk/quartz/gdkevents-quartz.c
index 1d58d0e..75ad808 100644
--- a/gdk/quartz/gdkevents-quartz.c
+++ b/gdk/quartz/gdkevents-quartz.c
@@ -373,6 +373,31 @@ get_window_point_from_screen_point (GdkWindow *window,
   *y = private->height - point.y;
 }
 
+static GdkWindow *
+get_toplevel_from_ns_event (NSEvent *nsevent,
+                            NSPoint *screen_point,
+                            gint    *x,
+                            gint    *y)
+{
+  GdkQuartzView *view;
+  GdkWindow *toplevel;
+  GdkWindowObject *private;
+  NSPoint point;
+
+  view = (GdkQuartzView *)[[nsevent window] contentView];
+
+  toplevel = [view gdkWindow];
+  private = GDK_WINDOW_OBJECT (toplevel);
+
+  point = [nsevent locationInWindow];
+  *screen_point = [[nsevent window] convertBaseToScreen:point];
+
+  *x = point.x;
+  *y = private->height - point.y;
+
+  return toplevel;
+}
+
 static GdkEvent *
 create_focus_event (GdkWindow *window,
 		    gboolean   in)
@@ -540,22 +565,12 @@ find_window_for_ns_event (NSEvent *nsevent,
 {
   GdkQuartzView *view;
   GdkWindow *toplevel;
-  GdkWindowObject *private;
-  NSPoint point;
   NSPoint screen_point;
   NSEventType event_type;
 
   view = (GdkQuartzView *)[[nsevent window] contentView];
 
-  toplevel = [view gdkWindow];
-  private = GDK_WINDOW_OBJECT (toplevel);
-
-  point = [nsevent locationInWindow];
-  screen_point = [[nsevent window] convertBaseToScreen:point];
-
-  *x = point.x;
-  *y = private->height - point.y;
-
+  toplevel = get_toplevel_from_ns_event (nsevent, &screen_point, x, y);
   _gdk_quartz_window_nspoint_to_gdk_xy (screen_point, x_root, y_root);
 
   event_type = [nsevent type];