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| 2 | <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/extensions/nsplugin/src/qnp.cpp:750 -->
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| 6 | <title>QNPWidget Class</title>
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| 20 | <font color="#004faf">Home</font></a>
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| 22 | <font color="#004faf">All Classes</font></a>
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| 24 | <font color="#004faf">Main Classes</font></a>
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| 30 | <font color="#004faf">Functions</font></a>
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| 31 | </td>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QNPWidget Class Reference</h1>
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| 33 |
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| 34 | <p>The QNPWidget class provides a QWidget that is a web browser plugin window.
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| 35 | <a href="#details">More...</a>
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| 36 | <p>This class is part of the <b>Qt Netscape Extension</b>.
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| 37 | <p><tt>#include <<a href="qnp-h.html">qnp.h</a>></tt>
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| 38 | <p>Inherits <a href="qwidget.html">QWidget</a>.
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| 39 | <p><a href="qnpwidget-members.html">List of all member functions.</a>
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| 40 | <h2>Public Members</h2>
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| 41 | <ul>
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| 42 | <li class=fn><a href="#QNPWidget"><b>QNPWidget</b></a> ()</li>
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| 43 | <li class=fn><a href="#~QNPWidget"><b>~QNPWidget</b></a> ()</li>
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| 44 | <li class=fn>virtual void <a href="#enterInstance"><b>enterInstance</b></a> ()</li>
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| 45 | <li class=fn>virtual void <a href="#leaveInstance"><b>leaveInstance</b></a> ()</li>
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| 46 | <li class=fn>QNPInstance * <a href="#instance"><b>instance</b></a> ()</li>
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| 47 | </ul>
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| 48 | <hr><a name="details"></a><h2>Detailed Description</h2>
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| 49 | <p> This class is defined in the <b>Qt <a href="netscape-plugin.html#Netscape">Netscape</a> Extension</b>, which can be found in the <tt>qt/extensions</tt> directory. It is not included in the main Qt API.
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| 50 | <p>
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| 51 |
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| 52 | The QNPWidget class provides a <a href="qwidget.html">QWidget</a> that is a web browser plugin window.
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| 53 | <p>
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| 54 | <p> Derive from QNPWidget to create a widget that can be used as a
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| 55 | web browser plugin window, or create one and add child widgets.
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| 56 | Instances of QNPWidget may only be created when
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| 57 | <a href="qnpinstance.html#newWindow">QNPInstance::newWindow</a>() is called by the browser.
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| 58 | <p> A common way to develop a plugin widget is to develop it as a
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| 59 | stand-alone application window, then make it a <em>child</em> of a
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| 60 | plugin widget to use it as a browser plugin. The technique is:
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| 61 | <p> <pre>
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| 62 | class MyPluginWindow : public QNPWidget
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| 63 | {
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| 64 | <a href="qwidget.html">QWidget</a>* child;
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| 65 | public:
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| 66 | MyPluginWindow()
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| 67 | {
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| 68 | // Some widget that is normally used as a top-level widget
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| 69 | child = new MyIndependentlyDevelopedWidget();
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| 70 |
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| 71 | // Use the background color of the web page
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| 72 | child-><a href="qwidget.html#setBackgroundColor">setBackgroundColor</a>( <a href="qwidget.html#backgroundColor">backgroundColor</a>() );
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| 73 |
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| 74 | // Fill the plugin widget
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| 75 | child-><a href="qwidget.html#setGeometry">setGeometry</a>( 0, 0, width(), height() );
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| 76 | }
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| 77 |
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| 78 | void resizeEvent(QResizeEvent*)
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| 79 | {
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| 80 | // Fill the plugin widget
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| 81 | child-><a href="qwidget.html#resize">resize</a>(<a href="qwidget.html#size">size</a>());
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| 82 | }
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| 83 | };
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| 84 | </pre>
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| 85 |
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| 86 | <p> The default implementation is an empty window.
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| 87 |
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| 88 | <hr><h2>Member Function Documentation</h2>
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| 89 | <h3 class=fn><a name="QNPWidget"></a>QNPWidget::QNPWidget ()
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| 90 | </h3>
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| 91 | Creates a QNPWidget.
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| 92 |
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| 93 | <h3 class=fn><a name="~QNPWidget"></a>QNPWidget::~QNPWidget ()
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| 94 | </h3>
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| 95 | Destroys the window. This will be called by the plugin binding
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| 96 | code when the window is no longer required. The web browser will
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| 97 | delete windows when they leave the page. The bindings will change
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| 98 | the <a href="qwidget.html#winId">QWidget::winId</a>() of the window when the window is resized, but
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| 99 | this should not affect normal widget behavior.
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| 100 |
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| 101 | <h3 class=fn>void <a name="enterInstance"></a>QNPWidget::enterInstance ()<tt> [virtual]</tt>
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| 102 | </h3>
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| 103 | Called when the mouse enters the plugin window. Does nothing by
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| 104 | default.
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| 105 |
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| 106 | <p>Example: <a href="grapher-nsplugin-example.html#x2753">grapher/grapher.cpp</a>.
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| 107 | <h3 class=fn><a href="qnpinstance.html">QNPInstance</a> * <a name="instance"></a>QNPWidget::instance ()
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| 108 | </h3>
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| 109 | Returns the instance for which this widget is the plugin window.
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| 110 |
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| 111 | <h3 class=fn>void <a name="leaveInstance"></a>QNPWidget::leaveInstance ()<tt> [virtual]</tt>
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| 112 | </h3>
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| 113 | Called when the mouse leaves the plugin window. Does nothing by
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| 114 | default.
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| 115 |
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| 116 | <p>Example: <a href="grapher-nsplugin-example.html#x2754">grapher/grapher.cpp</a>.
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| 117 | <!-- eof -->
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| 118 | <hr><p>
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| 119 | This file is part of the <a href="index.html">Qt toolkit</a>.
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| 120 | Copyright © 1995-2007
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| 121 | <a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center>
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| 122 | <table width=100% cellspacing=0 border=0><tr>
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| 123 | <td>Copyright © 2007
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| 124 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 125 | <td align=right><div align=right>Qt 3.3.8</div>
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