Context-sensitve help

[geeqie.git] / src / layout_util.c

diff --git a/src/layout_util.c b/src/layout_util.c
index 0f164b5..0e3b01c 100644 (file)
--- a/src/layout_util.c
+++ b/src/layout_util.c
@@ -3005,6 +3005,34 @@ void layout_util_sync(LayoutWindow *lw)
 //     layout_menu_edit_update(lw);
 }
 
+/**
+ * @brief Checks if event key is mapped to Help
+ * @param event 
+ * @returns 
+ * 
+ * Used to check if the user has re-mapped the Help key
+ * in Preferences/Keyboard
+ * 
+ * Note: help_key.accel_mods and event->state
+ * differ in the higher bits
+ */
+gboolean is_help_key(GdkEventKey *event)
+{
+       GtkAccelKey help_key;
+       gboolean ret = FALSE;
+       guint mask = GDK_SHIFT_MASK | GDK_CONTROL_MASK | GDK_MOD1_MASK;
+
+       if (gtk_accel_map_lookup_entry("<Actions>/MenuActions/HelpContents", &help_key))
+               {
+               if (help_key.accel_key == event->keyval &&
+                                       (help_key.accel_mods & mask) == (event->state & mask))
+                       {
+                       ret = TRUE;
+                       }
+               }
+
+       return ret;
+}
 
 /*
  *-----------------------------------------------------------------------------