trivial-nsplugin-example.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/extensions/nsplugin/examples/trivial/trivial.doc:1 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Trivial Example</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>Trivial Example</h1> <p> This example is trivial, and thus useful forinvestigating problems you might have installing theextension.<p> To build the example, you must first build the<a href="nsplugin.html">Qt Netscape Plugin Extension</a> library.Then type <tt>make</tt> in <tt>extensions/nsplugin/examples/trivial/</tt>and copy the resulting <tt>trivial.so</tt> or <tt>nptrivial.dll</tt>to the Plugins directory of your WWW browser.<p> <EMBED TYPE=trivial/very WIDTH=100 HEIGHT=100><p> <hr>Implementation:<p> <pre>// Qt stuff#include "qnp.h"#include <<a href="qpainter-h.html">qpainter.h</a>>#include <<a href="qmessagebox-h.html">qmessagebox.h</a>>class Trivial : public <a href="qnpwidget.html">QNPWidget</a> { <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>public: void mouseReleaseEvent(QMouseEvent* event) {<a name="x2570"></a> QMessageBox::<a href="qmessagebox.html#aboutQt">aboutQt</a>(this); } void paintEvent(QPaintEvent* event) { <a href="qpainter.html">QPainter</a> p(this);<a name="x2573"></a> p.<a href="qpainter.html#setClipRect">setClipRect</a>(event->rect()); int w = width();<a name="x2571"></a> p.<a href="qpainter.html#drawRect">drawRect</a>(rect());<a name="x2572"></a> p.<a href="qpainter.html#drawText">drawText</a>(w/8, 0, w-w/4, height(), AlignCenter|WordBreak, "Trivial!"); }};class TrivialInstance : public <a href="qnpinstance.html">QNPInstance</a> { Q_OBJECTpublic: <a href="qnpwidget.html">QNPWidget</a>* newWindow() { return new Trivial; } void print(QPainter* p) { p-><a href="qpainter.html#drawText">drawText</a>(0,0,"Hello"); }};class TrivialPlugin : public <a href="qnplugin.html">QNPlugin</a> {public: <a href="qnpinstance.html">QNPInstance</a>* newInstance() { return new TrivialInstance; } const char* getMIMEDescription() const { return "trivial/very:xxx:Trivial and useless"; } const char * getPluginNameString() const { return "Trivial Qt-based Plugin"; } const char * getPluginDescriptionString() const { return "A Qt-based LiveConnected plug-in that does nothing"; }};QNPlugin* QNPlugin::create(){ return new TrivialPlugin;}#include "trivial.moc"</pre><p>See also <a href="nsplugin-examples.html">LiveConnect Examples</a>.<!-- eof --><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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