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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) INRIA
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
-->
<refentry version="5.0-subset Scilab" xml:id="seteventhandler" xml:lang="en"
xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:ns5="http://www.w3.org/1999/xhtml"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:db="http://docbook.org/ns/docbook">
<info>
<pubdate>$LastChangedDate$</pubdate>
</info>
<refnamediv>
<refname>seteventhandler</refname>
<refpurpose>Define um gerenciador de eventos para uma janela
grfica</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Seqncia de Chamamento</title>
<synopsis>seteventhandler(sfun_name)
seteventhandler('')</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parmetros</title>
<variablelist>
<varlistentry>
<term>sfun_name</term>
<listitem>
<para>string. O nome da funo do Scilab com a qual se pretende
gerenciar os eventos</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Descrio</title>
<para>A funo permite que o usurio defina um gerenciador de eventos
particular para janela grfica corrente. <literal>seteventhandler('')
</literal> remove o gerenciador.</para>
<para>Para mais informaes sobre o gerenciador de eventos, veja a pgina
<link linkend="eventhandlerfunctions">event handler
functions</link>.</para>
</refsection>
<refsection>
<title>Exemplos</title>
<programlisting role="example"><![CDATA[
function my_eventhandler(win,x,y,ibut)
if ibut==-1000 then return,end
[x,y]=xchange(x,y,'i2f')
xinfo(msprintf('Evento de cdigo %d na posio do mouse (%f,%f)',ibut,x,y))
endfunction
plot2d()
seteventhandler('my_eventhandler')
//agora:
// - mova o mouse sobre a janela grfica
// - pressione e libere as teclas com shift pressionado ou no e com Ctrl pressionado ou no
// - pressione um boto, espere um pouco e libere
// - pressione e libere um boto
// - clique duas vezes em um boto
seteventhandler('') //suprimindo o gerenciador de eventos
]]></programlisting>
</refsection>
<refsection>
<title>Ver Tambm</title>
<simplelist type="inline">
<member><link linkend="addmenu">addmenu</link></member>
<member><link linkend="xgetmouse">xgetmouse</link></member>
<member><link linkend="xclick">xclick</link></member>
<member><link linkend="xchange">xchange</link></member>
<member><link linkend="eventhandlerfunctions">event handler
functions</link></member>
<member><link
linkend="figure_properties">figure_properties</link></member>
</simplelist>
</refsection>
</refentry>
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