interaction
~~~~~~~~~~~


+ `dragrect`_ Drag rectangle(s) with mouse
+ `edit_curv`_ interactive graphic curve editor
+ `eventhandlerfunctions`_ 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


.. _locate: locate.html
.. _xclick: xclick.html
.. _xgetmouse: xgetmouse.html
.. _edit_curv: edit_curv.html
.. _eventhandlerfunctions: eventhandlerfunctions.html
.. _dragrect: dragrect.html
.. _seteventhandler: seteventhandler.html