//==============================
// FindTargetPath
static void FindTargetPath( OvrGuiSys & guiSys, menuHandle_t const rootHandle,
menuHandle_t const curHandle, Array< menuHandle_t > & targetPath )
{
FindTargetPath( guiSys, curHandle, targetPath );
if ( targetPath.GetSizeI() == 0 )
{
targetPath.PushBack( rootHandle ); // ensure at least root is in the path
}
}
//==============================
// VRMenuEventHandler::HandleEvents
void VRMenuEventHandler::HandleEvents( OvrGuiSys & guiSys, VrFrame const & vrFrame,
menuHandle_t const rootHandle, Array< VRMenuEvent > const & events ) const
{
VRMenuObject * root = guiSys.GetVRMenuMgr().ToObject( rootHandle );
if ( root == NULL )
{
return;
}
// find the list of all objects that are in the focused path
Array< menuHandle_t > focusPath;
FindTargetPath( guiSys, rootHandle, FocusedHandle, focusPath );
Array< menuHandle_t > targetPath;
for ( int i = 0; i < events.GetSizeI(); ++i )
{
VRMenuEvent const & event = events[i];
switch ( event.DispatchType )
{
case EVENT_DISPATCH_BROADCAST:
{
// broadcast to everything
BroadcastEvent( guiSys, vrFrame, event, root );
}
break;
case EVENT_DISPATCH_FOCUS:
// send to the focus path only -- this list should be parent -> child order
DispatchToPath( guiSys, vrFrame, event, focusPath, false );
break;
case EVENT_DISPATCH_TARGET:
if ( targetPath.GetSizeI() == 0 || event.TargetHandle != targetPath.Back() )
{
targetPath.Clear();
FindTargetPath( guiSys, rootHandle, event.TargetHandle, targetPath );
}
DispatchToPath( guiSys, vrFrame, event, targetPath, false );
break;
default:
OVR_ASSERT( !"unknown dispatch type" );
break;
}
}
}
//==============================
// FindTargetPath
static void FindTargetPath( OvrGuiSys & guiSys,
menuHandle_t const curHandle, Array< menuHandle_t > & targetPath )
{
VRMenuObject * obj = guiSys.GetVRMenuMgr().ToObject( curHandle );
if ( obj != NULL )
{
FindTargetPath( guiSys, obj->GetParentHandle(), targetPath );
targetPath.PushBack( curHandle );
}
}
//==============================
// FindTargetPath
static void FindTargetPath( OvrVRMenuMgr const & menuMgr,
menuHandle_t const curHandle, Array< menuHandle_t > & targetPath )
{
VRMenuObject * obj = menuMgr.ToObject( curHandle );
if ( obj != NULL )
{
FindTargetPath( menuMgr, obj->GetParentHandle(), targetPath );
targetPath.PushBack( curHandle );
}
}