[mutter] [MetaWindow] Accessor for the instance part of WM_CLASS property

[Tomas Frydrych <tomasf src gnome org>]

commit d537dd93d5ed86f52aa865a9b498e79f9ae7a225
Author: Tomas Frydrych <tf linux intel com>
Date:   Wed Mar 17 09:20:39 2010 +0000

    [MetaWindow] Accessor for the instance part of WM_CLASS property
    
    https://bugzilla.gnome.org/show_bug.cgi?id=613128

 src/core/window.c    |   19 +++++++++++++++++--
 src/include/window.h |    1 +
 2 files changed, 18 insertions(+), 2 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index 71a4f60..2d12d53 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -8923,8 +8923,8 @@ meta_window_get_description (MetaWindow *window)
 /**
  * meta_window_get_wm_class:
  * @window: a #MetaWindow
- * 
- * Return the current value of the WM_CLASS X property.
+ *
+ * Return the current value of the name part of WM_CLASS X property.
  */
 const char *
 meta_window_get_wm_class (MetaWindow *window)
@@ -8936,6 +8936,21 @@ meta_window_get_wm_class (MetaWindow *window)
 }
 
 /**
+ * meta_window_get_wm_class_instance:
+ * @window: a #MetaWindow
+ *
+ * Return the current value of the instance part of WM_CLASS X property.
+ */
+const char *
+meta_window_get_wm_class_instance (MetaWindow *window)
+{
+  if (!window)
+    return NULL;
+
+  return window->res_name;
+}
+
+/**
  * meta_window_get_compositor_private:
  * @window: a #MetaWindow
  *
diff --git a/src/include/window.h b/src/include/window.h
index c2c21f6..d14e76e 100644
--- a/src/include/window.h
+++ b/src/include/window.h
@@ -88,6 +88,7 @@ void     meta_window_activate_with_workspace (MetaWindow    *window,
                                               MetaWorkspace *workspace);
 const char * meta_window_get_description (MetaWindow *window);
 const char * meta_window_get_wm_class (MetaWindow *window);
+const char * meta_window_get_wm_class_instance (MetaWindow *window);
 /* Return whether the window would be showing if we were on its workspace */
 gboolean    meta_window_showing_on_its_workspace (MetaWindow *window);