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99 lines
4.3 KiB
99 lines
4.3 KiB
13 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qevent.cpp:2143 -->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>TQChildEvent Class</title>
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<font color="#004faf">Home</font></a>
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<font color="#004faf">All Classes</font></a>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>TQChildEvent Class Reference</h1>
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<p>The TQChildEvent class contains event parameters for child object
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events.
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<a href="#details">More...</a>
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<p><tt>#include <<a href="qevent-h.html">qevent.h</a>></tt>
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<p>Inherits <a href="qevent.html">TQEvent</a>.
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<p><a href="qchildevent-members.html">List of all member functions.</a>
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<h2>Public Members</h2>
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<ul>
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<li class=fn><a href="#TQChildEvent"><b>TQChildEvent</b></a> ( Type type, TQObject * child )</li>
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<li class=fn>TQObject * <a href="#child"><b>child</b></a> () const</li>
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<li class=fn>bool <a href="#inserted"><b>inserted</b></a> () const</li>
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<li class=fn>bool <a href="#removed"><b>removed</b></a> () const</li>
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</ul>
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<hr><a name="details"></a><h2>Detailed Description</h2>
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The TQChildEvent class contains event parameters for child object
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events.
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<p>
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<p> Child events are sent to objects when children are inserted or
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removed.
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<p> A <a href="qevent.html#Type-enum">ChildRemoved</a> event is sent immediately, but a <a href="qevent.html#Type-enum">ChildInserted</a> event is <em>posted</em> (with <a href="qapplication.html#postEvent">TQApplication::postEvent</a>()).
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<p> Note that if a child is removed immediately after it is inserted,
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the <a href="qevent.html#Type-enum">ChildInserted</a> event may be suppressed, but the <a href="qevent.html#Type-enum">ChildRemoved</a> event will always be sent. In this case there will be
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a <a href="qevent.html#Type-enum">ChildRemoved</a> event without a corresponding <a href="qevent.html#Type-enum">ChildInserted</a>
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event.
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<p> The handler for these events is <a href="qobject.html#childEvent">TQObject::childEvent</a>().
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<p>See also <a href="events.html">Event Classes</a>.
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<hr><h2>Member Function Documentation</h2>
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<h3 class=fn><a name="TQChildEvent"></a>TQChildEvent::TQChildEvent ( <a href="qevent.html#Type-enum">Type</a> type, <a href="qobject.html">TQObject</a> * child )
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</h3>
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<p> Constructs a child event object. The <em>child</em> is the object that
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is to be removed or inserted.
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<p> The <em>type</em> parameter must be either <a href="qevent.html#Type-enum">TQEvent::ChildInserted</a> or
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<a href="qevent.html#Type-enum">TQEvent::ChildRemoved</a>.
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<h3 class=fn><a href="qobject.html">TQObject</a> * <a name="child"></a>TQChildEvent::child () const
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</h3>
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<p> Returns the child widget that was inserted or removed.
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<h3 class=fn>bool <a name="inserted"></a>TQChildEvent::inserted () const
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</h3>
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<p> Returns TRUE if the widget received a new child; otherwise returns
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FALSE.
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<h3 class=fn>bool <a name="removed"></a>TQChildEvent::removed () const
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</h3>
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<p> Returns TRUE if the object lost a child; otherwise returns FALSE.
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<!-- eof -->
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<hr><p>
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This file is part of the <a href="index.html">TQt toolkit</a>.
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Copyright © 1995-2007
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<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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