Store and manage the mouse focus. Used by EM_WIDGET_SCENE and EM_COMPONENT_SCENE to set and retreive the keyboard focus.
Use EM_SHARED_FOCUS to access the singleton instance.
$Date: 2005/10/23 11:21:01 $
$Revision: 1.5 $
-- Current mouse focus
-- Is a focus present?
-- Set current_focus to an_object.
Store and manage the mouse focus. Used by EM_WIDGET_SCENE and
EM_COMPONENT_SCENE to set and retreive the keyboard focus.
Use EM_SHARED_FOCUS to access the singleton instance.