qwskeyboardhandler.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/src/kernel/qkeyboard_qws.cpp:320 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>QWSKeyboardHandler Class</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">Home</font></a> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QWSKeyboardHandler Class Reference</h1><p>The QWSKeyboardHandler class implements the keyboarddriver/handler for Qt/Embedded.<a href="#details">More...</a><p><tt>#include <<a href="qkeyboard_qws-h.html">qkeyboard_qws.h</a>></tt><p>Inherits <a href="qobject.html">QObject</a>.<p><a href="qwskeyboardhandler-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn><a href="#QWSKeyboardHandler"><b>QWSKeyboardHandler</b></a> ()</div></li><li><div class=fn>virtual <a href="#~QWSKeyboardHandler"><b>~QWSKeyboardHandler</b></a> ()</div></li></ul><h2>Protected Members</h2><ul><li><div class=fn>virtual void <a href="#processKeyEvent"><b>processKeyEvent</b></a> ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat )</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2>The QWSKeyboardHandler class implements the keyboarddriver/handler for Qt/Embedded.<p> <p> The keyboard handler (driver) handles events from system devicesand generates key events.<p> A QWSKeyboardHandler will usually open some system device in itsconstructor, create a <a href="qsocketnotifier.html">QSocketNotifier</a> on that opened device andwhen it receives data, it will call <a href="#processKeyEvent">processKeyEvent</a>() to send theevent to Qt/Embedded for relaying to clients.<p>See also <a href="qws.html">Qt/Embedded</a>.<hr><h2>Member Function Documentation</h2><h3 class=fn><a name="QWSKeyboardHandler"></a>QWSKeyboardHandler::QWSKeyboardHandler ()</h3>Constructs a keyboard handler. The handler <em>may</em> be passed to thesystem for later destruction with <a href="qwsserver.html#setKeyboardHandler">QWSServer::setKeyboardHandler</a>(),although even without doing this, the handler can function,calling <a href="#processKeyEvent">processKeyEvent</a>() to emit events.<h3 class=fn><a name="~QWSKeyboardHandler"></a>QWSKeyboardHandler::~QWSKeyboardHandler ()<tt> [virtual]</tt></h3>Destroys a keyboard handler. Note that if you have called<a href="qwsserver.html#setKeyboardHandler">QWSServer::setKeyboardHandler</a>(), you may not delete the handler.<h3 class=fn>void <a name="processKeyEvent"></a>QWSKeyboardHandler::processKeyEvent ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat )<tt> [virtual protected]</tt></h3>Subclasses call this function to send a key event. The server mayadditionally filter the event before sending it on toapplications.<p> <ul><li> <em>unicode</em> is the Unicode value for the key, or 0xFFFF is noneis appropriate.<li> <em>keycode</em> is the Qt keycode for the key (see <a href="qt.html#Key-enum">Qt::Key</a>).for the list of codes).<li> <em>modifiers</em> is the set of modifier keys (see <a href="qt.html#Modifier-enum">Qt::Modifier</a>).<li> <em>isPress</em> says whether this is a press or a release.<li> <em>autoRepeat</em> says whether this event was generated by an auto-repeatmechanism, or an actual key press.</ul><!-- eof --><hr><p>This file is part of the <a href="index.html">Qt toolkit</a>.Copyright © 1995-2002<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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