[gtk+] Add an accessor for the GSEALed Gtkbutton's event_window attribute

[Matthias Clasen <matthiasc src gnome org>]

commit 23a61525f6f21248b151bfb2cd1c1dfa5a132c43
Author: Mirsal Ennaime <mirsal ennaime gmail com>
Date:   Sat Jun 26 21:22:02 2010 -0400

    Add an accessor for the GSEALed Gtkbutton's event_window attribute
    
     * Add the gtk_button_get_event_window() function
    
    Closes: bgo#622581

 docs/reference/gtk/gtk3-sections.txt |    1 +
 gtk/gtk.symbols                      |    1 +
 gtk/gtkbutton.c                      |   19 +++++++++++++++++++
 gtk/gtkbutton.h                      |    2 ++
 4 files changed, 23 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index 66d4c8c..09b70a9 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -566,6 +566,7 @@ gtk_button_set_image
 gtk_button_get_image
 gtk_button_set_image_position
 gtk_button_get_image_position
+gtk_button_get_event_window
 
 <SUBSECTION Standard>
 GTK_BUTTON
diff --git a/gtk/gtk.symbols b/gtk/gtk.symbols
index 16497e7..b5125d0 100644
--- a/gtk/gtk.symbols
+++ b/gtk/gtk.symbols
@@ -517,6 +517,7 @@ gtk_button_clicked
 gtk_button_enter
 #endif
 gtk_button_get_alignment
+gtk_button_get_event_window
 gtk_button_get_focus_on_click
 gtk_button_get_image
 gtk_button_get_image_position
diff --git a/gtk/gtkbutton.c b/gtk/gtkbutton.c
index f8153ca..b0f41d5 100644
--- a/gtk/gtkbutton.c
+++ b/gtk/gtkbutton.c
@@ -2388,5 +2388,24 @@ gtk_button_get_image_position (GtkButton *button)
 }
 
 
+/**
+ * gtk_button_get_event_window:
+ * @button: a #GtkButton
+ *
+ * Returns the button's event window if it is realized, %NULL otherwise.
+ * This function should be rarely needed.
+ *
+ * Return value: (transfer none): @button's event window.
+ *
+ * Since: 2.22
+ */
+GdkWindow*
+gtk_button_get_event_window (GtkButton *button)
+{
+  g_return_val_if_fail (GTK_IS_BUTTON (button), NULL);
+
+  return button->event_window;
+}
+
 #define __GTK_BUTTON_C__
 #include "gtkaliasdef.c"  
diff --git a/gtk/gtkbutton.h b/gtk/gtkbutton.h
index 4ed4d30..ea76cd8 100644
--- a/gtk/gtkbutton.h
+++ b/gtk/gtkbutton.h
@@ -131,6 +131,8 @@ void                  gtk_button_set_image_position (GtkButton      *button,
 						     GtkPositionType position);
 GtkPositionType       gtk_button_get_image_position (GtkButton      *button);
 
+GdkWindow*            gtk_button_get_event_window   (GtkButton      *button);
+
 void _gtk_button_set_depressed             (GtkButton          *button,
 					    gboolean            depressed);
 void _gtk_button_paint                     (GtkButton          *button,