void onViewClosed(QMdiSubWindow*);
void onMouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
void onMouseReleased(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
void onMousePressed(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
void onViewClosed(QMdiSubWindow*);
void onMouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
void onMouseReleased(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);
void onMousePressed(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent);