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<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">QWSKeyboardHandler Class Reference</h1>

<p>The QWSKeyboardHandler class implements the keyboard driver for Qt/Embedded. <a href="#details">More...</a></p>

<pre>#include <QWSKeyboardHandler></pre><p>Part of the <a href="qtgui.html">QtGui</a> module.</p>

<ul>

<li><a href="qwskeyboardhandler-members.html">List of all members, including inherited members</a></li>

</ul>

<h3>Public Functions</h3>

<ul>

<li><div class="fn"/><b><a href="qwskeyboardhandler.html#QWSKeyboardHandler">QWSKeyboardHandler</a></b> ()</li>

<li><div class="fn"/>virtual <b><a href="qwskeyboardhandler.html#dtor.QWSKeyboardHandler">~QWSKeyboardHandler</a></b> ()</li>

<li><div class="fn"/>virtual void <b><a href="qwskeyboardhandler.html#processKeyEvent">processKeyEvent</a></b> ( int <i>unicode</i>, int <i>keycode</i>, Qt::KeyboardModifiers <i>modifiers</i>, bool <i>isPress</i>, bool <i>autoRepeat</i> )</li>

</ul>

<h3>Protected Functions</h3>

<ul>

<li><div class="fn"/>void <b><a href="qwskeyboardhandler.html#beginAutoRepeat">beginAutoRepeat</a></b> ( int <i>uni</i>, int <i>code</i>, Qt::KeyboardModifiers <i>mod</i> )</li>

<li><div class="fn"/>void <b><a href="qwskeyboardhandler.html#endAutoRepeat">endAutoRepeat</a></b> ()</li>

<li><div class="fn"/>int <b><a href="qwskeyboardhandler.html#transformDirKey">transformDirKey</a></b> ( int <i>key</i> )</li>

</ul>

<hr />

<h2>Detailed Description</h2>

<p>The QWSKeyboardHandler class implements the keyboard driver for Qt/Embedded.</p>

<p>The keyboard driver handles events from system devices and generates key events.</p>

<p>A QWSKeyboardHandler will usually open some system device in its constructor, create a <a href="qsocketnotifier.html">QSocketNotifier</a> on that opened device and when it receives data, it will call <a href="qwskeyboardhandler.html#processKeyEvent">processKeyEvent</a>() to send the event to Qt/Embedded for relaying to clients.</p>

<hr />

<h2>Member Function Documentation</h2>

<h3 class="fn"><a name="QWSKeyboardHandler"></a>QWSKeyboardHandler::QWSKeyboardHandler ()</h3>

<p>Constructs a keyboard handler. The handler <i>may</i> be passed to the system for later destruction with <a href="qwsserver.html#setKeyboardHandler">QWSServer::setKeyboardHandler</a>(), although even without doing this, the handler can function, calling <a href="qwskeyboardhandler.html#processKeyEvent">processKeyEvent</a>() to emit events.</p>

<h3 class="fn"><a name="dtor.QWSKeyboardHandler"></a>QWSKeyboardHandler::~QWSKeyboardHandler ()  <tt> [virtual]</tt></h3>

<p>Destroys a keyboard handler. Note that if you have called <a href="qwsserver.html#setKeyboardHandler">QWSServer::setKeyboardHandler</a>(), you must not delete the handler.</p>

<h3 class="fn"><a name="beginAutoRepeat"></a>void QWSKeyboardHandler::beginAutoRepeat ( int <i>uni</i>, int <i>code</i>, <a href="qt.html#KeyboardModifier-enum">Qt::KeyboardModifiers</a> <i>mod</i> )  <tt> [protected]</tt></h3>

<p>Begin auto repeating the specified key press. After a short delay the key sequence will be sent periodically until <a href="qwskeyboardhandler.html#endAutoRepeat">endAutoRepeat</a>() is called.</p>

<p><i>uni</i> is the unicode value, <i>code</i> is the keycode and <i>mod</i> is the modifier state of the key sequence.</p>

<p>See also <a href="qwskeyboardhandler.html#endAutoRepeat">endAutoRepeat</a>().</p>

<h3 class="fn"><a name="endAutoRepeat"></a>void QWSKeyboardHandler::endAutoRepeat ()  <tt> [protected]</tt></h3>

<p>Stop auto-repeating a key press.</p>

<p>See also <a href="qwskeyboardhandler.html#beginAutoRepeat">beginAutoRepeat</a>().</p>

<h3 class="fn"><a name="processKeyEvent"></a>void QWSKeyboardHandler::processKeyEvent ( int <i>unicode</i>, int <i>keycode</i>, <a href="qt.html#KeyboardModifier-enum">Qt::KeyboardModifiers</a> <i>modifiers</i>, bool <i>isPress</i>, bool <i>autoRepeat</i> )  <tt> [virtual]</tt></h3>

<p>Subclasses call this function to send a key event. The server may additionally filter the event before sending it on to applications.</p>

<tr valign="top" bgcolor="#a2c511"><th>Parameter</th><th>Meaning</th></tr>

<tr valign="top" bgcolor="#f0f0f0"><td><i>unicode</i></td><td>The Unicode value for the key, or 0xFFFF is none is appropriate.</td></tr>

<tr valign="top" bgcolor="#e0e0e0"><td><i>keycode</i></td><td>The Qt keycode for the key (see <a href="qt.html#Key-enum">Qt::Key</a> for the list of codes).</td></tr>

<tr valign="top" bgcolor="#f0f0f0"><td><i>modifiers</i></td><td>The set of modifier keys (see <a href="qt.html#Modifier-enum">Qt::Modifier</a>).</td></tr>

<tr valign="top" bgcolor="#e0e0e0"><td><i>isPress</i></td><td>Whether this is a press or a release.</td></tr>

<tr valign="top" bgcolor="#f0f0f0"><td><i>autoRepeat</i></td><td>Whether this event was generated by an auto-repeat mechanism, or an actual key press.</td></tr>

</table>

<h3 class="fn"><a name="transformDirKey"></a>int QWSKeyboardHandler::transformDirKey ( int <i>key</i> )  <tt> [protected]</tt></h3>

<p>Transforms an arrow key with keycode <i>key</i> (<tt>Qt::Key_Left</tt>, <tt>Qt::Key_Up</tt>, <tt>Qt::Key_Right</tt>, <tt>Qt::Key_Down</tt>) to the orientation of the display and returns the transformed keycode.</p>

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