interaction

• rubberbox — растягиваемая рамка для прямоугольного выделения
• dragrect — Drag rectangle(s) with mouse
• edit_curv — interactive graphic curve editor
• event handler functions — Prototype of functions which may be used as event handler.
• locate — mouse selection of a set of points
• seteventhandler — set an event handler for the current graphic window
• xclick — Wait for a mouse click or an event in a graphic window.
• xgetmouse — get the mouse events and current position