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.
Gets a #GdkModifierType representing the mask for this accel_group. For example, #GDK_CONTROL_MASK, #GDK_SHIFT_MASK, etc.