[gimp] Add gimp_image_window_get_active_display()

[Michael Natterer <mitch src gnome org>]

commit fcf09eea62d6a5927dd2f61499d5fac4f6f2429b
Author: Michael Natterer <mitch gimp org>
Date:   Wed Sep 23 13:06:11 2009 +0200

    Add gimp_image_window_get_active_display()
    
    Should probably be refactored into something involving a GimpContext,
    but it's good enough as intermediate step.

 app/display/gimpimagewindow.c |   12 ++++++++++++
 app/display/gimpimagewindow.h |    5 ++++-
 2 files changed, 16 insertions(+), 1 deletions(-)
---
diff --git a/app/display/gimpimagewindow.c b/app/display/gimpimagewindow.c
index 33a8b70..18749e0 100644
--- a/app/display/gimpimagewindow.c
+++ b/app/display/gimpimagewindow.c
@@ -27,6 +27,7 @@
 #include "widgets/gimpmenufactory.h"
 #include "widgets/gimpuimanager.h"
 
+#include "gimpdisplayshell.h"
 #include "gimpimagewindow.h"
 
 #include "gimp-intl.h"
@@ -169,3 +170,14 @@ gimp_image_window_destroy (GtkObject *object)
 
   GTK_OBJECT_CLASS (parent_class)->destroy (object);
 }
+
+
+/*  public functions  */
+
+GimpDisplay *
+gimp_image_window_get_active_display (GimpImageWindow *window)
+{
+  g_return_val_if_fail (GIMP_IS_IMAGE_WINDOW (window), NULL);
+
+  return GIMP_DISPLAY_SHELL (window)->display;
+}
diff --git a/app/display/gimpimagewindow.h b/app/display/gimpimagewindow.h
index e061f50..f942a0b 100644
--- a/app/display/gimpimagewindow.h
+++ b/app/display/gimpimagewindow.h
@@ -45,7 +45,10 @@ struct _GimpImageWindowClass
 };
 
 
-GType   gimp_image_window_get_type (void) G_GNUC_CONST;
+GType         gimp_image_window_get_type           (void) G_GNUC_CONST;
+
+GimpDisplay * gimp_image_window_get_active_display (GimpImageWindow *window);
+
 
 
 #endif /* __GIMP_IMAGE_WINDOW_H__ */