[gnome-games] aisleriot: Mask uncommon modifiers on button press modifiers check

[Christian Persch <chpe src gnome org>]

commit 3bd494b489ff837275d80e7a4d65feac0baea308
Author: Christian Persch <chpe gnome org>
Date:   Thu Dec 10 12:44:54 2009 +0100

    aisleriot: Mask uncommon modifiers on button press modifiers check
    
    Bug #604226.

 aisleriot/board.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)
---
diff --git a/aisleriot/board.c b/aisleriot/board.c
index 6342008..0adee3d 100644
--- a/aisleriot/board.c
+++ b/aisleriot/board.c
@@ -68,6 +68,16 @@
 #define STATIC_ASSERT_IMPL2(condition, line) typedef int _static_assert_line_##line[(condition) ? 1 : -1]
 
 #define I_(string) g_intern_static_string (string)
+  
+/* FIXMEchpe: file a bug to get an exported function like gtk_accelerator_get_default_mod_mask() for this? */
+/* Copied from clutter-binding-pool.c */
+#define CLUTTER_DEFAULT_MOD_MASK ((CLUTTER_SHIFT_MASK   | \
+                                   CLUTTER_CONTROL_MASK | \
+                                   CLUTTER_MOD1_MASK    | \
+                                   CLUTTER_SUPER_MASK   | \
+                                   CLUTTER_HYPER_MASK   | \
+                                   CLUTTER_META_MASK)   | \
+                                  CLUTTER_RELEASE_MASK)
 
 #pragma GCC poison GtkWidget
 #pragma GCC poison widget
@@ -2699,7 +2709,7 @@ aisleriot_board_button_press (ClutterActor *actor,
 
   /* Don't do anything if a modifier is pressed */
   /* FIXMEchpe: is there anything like gtk_accelerator_get_default_mod_mask() in clutter? */
-  state = event->modifier_state;
+  state = event->modifier_state & CLUTTER_DEFAULT_MOD_MASK;
   if (state != 0)
     return FALSE;