[gtk+/overlay: 13/34] overlay: add get_offset

[Matthias Clasen <matthiasc src gnome org>]

commit c2e8866e33dc64d8ed07b36f2c25d8698475321c
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Thu May 26 23:07:44 2011 +0200

    overlay: add get_offset

 gtk/gtkoverlay.c |   28 ++++++++++++++++++++++++++++
 gtk/gtkoverlay.h |    5 +++++
 2 files changed, 33 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkoverlay.c b/gtk/gtkoverlay.c
index 71429e8..b5847f6 100644
--- a/gtk/gtkoverlay.c
+++ b/gtk/gtkoverlay.c
@@ -776,3 +776,31 @@ gtk_overlay_set_offset (GtkOverlay *overlay,
 
   gtk_overlay_set_offset_internal (overlay, get_child (overlay, widget), x_offset, y_offset);
 }
+
+/**
+ * gtk_overlay_get_offset:
+ * @overlay: a #GtkOverlay
+ * @widget: a child of @overlay
+ * @x_offset: (out): returns the x offset of @widget
+ * @y_offset: (out): returns the y offset of @widget
+ *
+ * Gets the offset for @widget
+ */
+void
+gtk_overlay_get_offset (GtkOverlay *overlay,
+                        GtkWidget  *widget,
+                        guint      *x_offset,
+                        guint      *y_offset)
+{
+  GtkOverlayChild *child;
+
+  g_return_if_fail (GTK_IS_OVERLAY (overlay));
+
+  child = get_child (overlay, widget);
+
+  if (x_offset != NULL)
+    *x_offset = child->x_offset;
+
+  if (y_offset != NULL)
+    *y_offset = child->y_offset;
+}
diff --git a/gtk/gtkoverlay.h b/gtk/gtkoverlay.h
index bdc5bc5..161e688 100644
--- a/gtk/gtkoverlay.h
+++ b/gtk/gtkoverlay.h
@@ -85,6 +85,11 @@ void        gtk_overlay_set_offset               (GtkOverlay *overlay,
                                                   guint       x_offset,
                                                   guint       y_offset);
 
+void        gtk_overlay_get_offset               (GtkOverlay *overlay,
+                                                  GtkWidget  *widget,
+                                                  guint      *x_offset,
+                                                  guint      *y_offset);
+
 G_END_DECLS
 
 #endif /* __GTK_OVERLAY_H__ */