[mutter] Added meta_window_is_modal()

[Tomas Frydrych <tomasf src gnome org>]

commit f3e6913d579a2409de1eb7933a664f1c2b51380b
Author: Tomas Frydrych <tf linux intel com>
Date:   Thu Aug 6 18:11:11 2009 +0100

    Added meta_window_is_modal()
    
    Queries whether the window is in a modal state, as per the _NET_WM_STATE
    protocol.

 src/core/window.c    |   16 ++++++++++++++++
 src/include/window.h |    1 +
 2 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index 974c650..d77a553 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -8793,3 +8793,19 @@ meta_window_get_client_machine (MetaWindow *window)
   return window->wm_client_machine;
 }
 
+/**
+ * meta_window_is_modal:
+ * @window: a #MetaWindow
+ *
+ * Queries whether the window is in a modal state as described by the
+ * _NET_WM_STATE protocol.
+ *
+ * Return value: (transfer none): TRUE if the window is in modal state.
+ */
+gboolean
+meta_window_is_modal (MetaWindow *window)
+{
+  g_return_val_if_fail (META_IS_WINDOW (window), FALSE);
+
+  return window->wm_state_modal;
+}
diff --git a/src/include/window.h b/src/include/window.h
index f611da8..5295456 100644
--- a/src/include/window.h
+++ b/src/include/window.h
@@ -116,4 +116,5 @@ void        meta_window_delete             (MetaWindow  *window,
                                             guint32      timestamp);
 int         meta_window_get_pid (MetaWindow *window);
 const char *meta_window_get_client_machine (MetaWindow *window);
+gboolean    meta_window_is_modal (MetaWindow *window);
 #endif