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tqt3/doc/html/trivial-nsplugin-example.html

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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>Trivial Example</h1>
<p> This example is trivial, and thus useful for
investigating problems you might have installing the
extension.
<p> To build the example, you must first build the
<a href="netscape-plugin.html">TQt 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>// TQt stuff
#include "qnp.h"
#include &lt;<a href="qpainter-h.html">qpainter.h</a>&gt;
#include &lt;<a href="qmessagebox-h.html">qmessagebox.h</a>&gt;
class Trivial : public <a href="qnpwidget.html">TQNPWidget</a> {
<a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>
public:
void mouseReleaseEvent(TQMouseEvent* event)
{
<a name="x2736"></a> TQMessageBox::<a href="qmessagebox.html#aboutTQt">aboutTQt</a>(this);
}
void paintEvent(TQPaintEvent* event)
{
<a href="qpainter.html">TQPainter</a> p(this);
<a name="x2739"></a> p.<a href="qpainter.html#setClipRect">setClipRect</a>(event-&gt;rect());
int w = width();
<a name="x2737"></a> p.<a href="qpainter.html#drawRect">drawRect</a>(rect());
<a name="x2738"></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">TQNPInstance</a> {
Q_OBJECT
public:
<a href="qnpwidget.html">TQNPWidget</a>* newWindow()
{
return new Trivial;
}
void print(TQPainter* p)
{
p-&gt;<a href="qpainter.html#drawText">drawText</a>(0,0,"Hello");
}
};
class TrivialPlugin : public <a href="qnplugin.html">TQNPlugin</a> {
public:
<a href="qnpinstance.html">TQNPInstance</a>* newInstance()
{
return new TrivialInstance;
}
const char* getMIMEDescription() const
{
return "trivial/very:xxx:Trivial and useless";
}
const char * getPluginNameString() const
{
return "Trivial TQt-based Plugin";
}
const char * getPluginDescriptionString() const
{
return "A TQt-based LiveConnected plug-in that does nothing";
}
};
TQNPlugin* TQNPlugin::create()
{
return new TrivialPlugin;
}
#include "trivial.moc"
</pre>
<p>See also <a href="nsplugin-examples.html">Netscape Plugin Examples</a>.
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