Gets a GdkModifierType representing the mask for this accel_group. For example, GDK_CONTROL_MASK, GDK_SHIFT_MASK, etc.
the modifier mask for this accel group.
2.14
Gets a GdkModifierType representing the mask for this accel_group. For example, GDK_CONTROL_MASK, GDK_SHIFT_MASK, etc.