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150 lines
4.4 KiB
XML
150 lines
4.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: eee245cdbd89dc2fd908285f588e3b9e055924e5 Maintainer: PhilDaiguille Status: ready -->
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<!-- Reviewed: yes -->
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<refentry xml:id="function.sapi-windows-set-ctrl-handler" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>sapi_windows_set_ctrl_handler</refname>
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<refpurpose>Establece o elimina un gestor de eventos CTRL</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>sapi_windows_set_ctrl_handler</methodname>
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<methodparam><type class="union"><type>callable</type><type>null</type></type><parameter>handler</parameter></methodparam>
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<methodparam choice="opt"><type>bool</type><parameter>add</parameter><initializer>&true;</initializer></methodparam>
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</methodsynopsis>
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<para>
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Establece o elimina un gestor de eventos <literal>CTRL</literal>, que permite a los procesos CLI de Windows
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interceptar o ignorar los eventos <literal>CTRL+C</literal> y
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<literal>CTRL+BREAK</literal>. Tenga en cuenta que en entornos multihilo,
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esto solo es posible cuando se llama desde el hilo principal.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<variablelist>
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<varlistentry>
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<term><parameter>handler</parameter></term>
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<listitem>
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<para>
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Una función de retrollamada a establecer o eliminar. Si se establece, esta función será llamada
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cada vez que ocurra un evento
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<keycombo action='simul'>
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<keycap>CTRL</keycap>
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<keycap>C</keycap>
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</keycombo>
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o
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<keycombo action='simul'>
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<keycap>CTRL</keycap>
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<keycap>BREAK</keycap>
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</keycombo>.
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La función debe tener la siguiente firma:
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<methodsynopsis>
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<type>void</type><methodname>handler</methodname>
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<methodparam><type>int</type><parameter>event</parameter></methodparam>
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</methodsynopsis>
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<variablelist>
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<varlistentry>
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<term><parameter>event</parameter></term>
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<listitem>
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<simpara>
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El evento <keycap>CTRL</keycap> que se ha recibido;
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ya sea <constant>PHP_WINDOWS_EVENT_CTRL_C</constant>
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o <constant>PHP_WINDOWS_EVENT_CTRL_BREAK</constant>.
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</simpara>
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</listitem>
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</varlistentry>
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</variablelist>
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Establecer un &null; <parameter>handler</parameter> hace que el proceso ignore
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los eventos
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<keycombo action='simul'>
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<keycap>CTRL</keycap>
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<keycap>C</keycap>
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</keycombo>
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o
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<keycombo action='simul'>
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<keycap>CTRL</keycap>
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<keycap>BREAK</keycap>
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</keycombo>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>add</parameter></term>
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<listitem>
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<para>
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Si &true;, el gestor se establece. Si &false;, el gestor se elimina.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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&return.success;
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example xml:id="sapi-windows-set-ctrl-handler.example.basic">
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<title>Uso básico de <function>sapi_windows_set_ctrl_handler</function></title>
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<para>
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Este ejemplo muestra cómo interceptar los eventos <literal>CTRL</literal>.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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function ctrl_handler(int $event)
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{
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switch ($event) {
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case PHP_WINDOWS_EVENT_CTRL_C:
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echo "Se ha presionado CTRL+C\n";
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break;
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case PHP_WINDOWS_EVENT_CTRL_BREAK:
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echo "Se ha presionado CTRL+BREAK\n";
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break;
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}
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}
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sapi_windows_set_ctrl_handler('ctrl_handler');
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while (true); // bucle infinito, para que el gestor pueda ser activado
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?>
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]]>
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</programlisting>
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</example>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<simplelist>
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<member><function>sapi_windows_generate_ctrl_event</function></member>
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</simplelist>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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