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Please note that the recommended version of Scilab is 6.0.0. This page might be outdated.
See the recommended documentation of this function

Aide Scilab >> Graphiques > interaction > seteventhandler

seteventhandler

set an event handler for the current graphic window

Calling Sequence

seteventhandler(sfun_name)
seteventhandler('')

Arguments

sfun_name

a character string. The name of the Scilab function which is intended to handle the events

Description

The function allows the user to set a particular event handler for the current graphic window. seteventhandler('') removes the handler.

For more information about event handler functions see the event handler functions help.

Examples

function my_eventhandler(win, x, y, ibut)
  if ibut==-1000 then return,end
  [x,y]=xchange(x,y,'i2f')
  xinfo(msprintf('Event code %d at mouse position is (%f,%f)',ibut,x,y))
endfunction

plot2d()
seteventhandler('my_eventhandler')
//now:
//   -  move the mouse over the graphic window
//   -  press and release keys shifted or not with Ctrl pressed or not
//   -  press button, wait a little release
//   -  press and release button
//   -  double-click button

seteventhandler('') //suppress the event handler

See Also

  • addmenu — interactive button or menu definition
  • xgetmouse — get the mouse events and current position
  • xclick — Attend un appui sur un bouton de la souris.
  • xchange — transformation de coordonnées de l'échelle courante en pixels et inversement
  • event handler functions — Prototype of functions which may be used as event handler.
  • figure_properties — description of the graphics figure entity properties
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Last updated:
Wed Oct 05 12:11:00 CEST 2011