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diff --git a/doc/html/qaxserver-example-tetrax.html b/doc/html/qaxserver-example-tetrax.html new file mode 100644 index 0000000..bc0dd18 --- /dev/null +++ b/doc/html/qaxserver-example-tetrax.html @@ -0,0 +1,124 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/extensions/activeqt/examples/tetrax/tetrax.doc:27 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>A Qt example as a scriptable ActiveX control (executable)</title> +<style type="text/css"><!-- +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>A Qt example as a scriptable ActiveX control (executable)</h1> + + + +This example shows how to turn an existing Qt application +into an ActiveX control server. The ActiveX control is based +on the Qt tetrix example. +<p> It demonstrates the use of the default factory provied by the +<a href="qaxfactory.html#QAXFACTORY_DEFAULT">QAXFACTORY_DEFAULT</a> macro, and of <a href="qaxfactory.html#isServer">QAxFactory::isServer</a>(). +<p> The code changes for the tetrix GUI are minimal (a property <tt>score</tt>, +a signal <tt>gameOver</tt> and a slot <tt>startGame</tt>) and provide a better scripting +interface for the use of the control in a web environment. +<p> The implementation of the ActiveX server functionality is only in the +tetrax.cpp file. + + +The default implementation of the <a href="qaxfactory.html">QAxFactory</a> is used through the +QAXFACTORY_DEFAULT macro, and exports the QTetrax object specifying +the five unique IDs required by COM to instantiate and communicate with +the server. +<pre> #include "qtetrax.h" + #include "qdragapp.h" + #include "qfont.h" + + #include <<a href="qaxfactory-h.html">qaxfactory.h</a>> + + QAXFACTORY_DEFAULT( QTetrax, + "{852558AD-CBD6-4f07-844C-D1E8983CD6FC}", + "{2F5D0068-772C-4d1e-BCD2-D3F6BC7FD315}", + "{769F4820-9F28-490f-BA50-5545BD381DCB}", + "{5753B1A8-53B9-4abe-8690-6F14EC5CA8D0}", + "{DE2F7CE3-CFA7-4938-A9FC-867E2FEB63BA}" ) +</pre>The <tt>main</tt> entry point method instantiates a <a href="qapplication.html">QApplication</a> object, and +creates the GUI only if the program is not running as an ActiveX server (ie. +the program has been started by the user, not by COM). +<pre> int main( int argc, char **argv ) + { + <a name="x2716"></a> QApplication::<a href="qapplication.html#setColorSpec">setColorSpec</a>( QApplication::CustomColor ); + QDragApplication a(argc,argv); + + QTetrax *tetrax = 0; + if ( !QAxFactory::isServer() ) { + tetrax = new QTetrax; + <a name="x2718"></a> tetrax-><a href="qwidget.html#setCaption">setCaption</a>("Tetrax"); + a.<a href="qapplication.html#setMainWidget">setMainWidget</a>(tetrax); + tetrax-><a href="qwidget.html#setCaption">setCaption</a>("Qt Example - Tetrax"); + tetrax-><a href="qwidget.html#show">show</a>(); + } +</pre>The server enters the application event loop, and destroys the GUI before exiting. +<pre> int res = a.<a href="qapplication.html#exec">exec</a>(); + delete tetrax; + return res; + } +</pre> +<p> To build the example you must first build the <a href="qaxserver.html">QAxServer</a> library. Then run qmake and your make tool in +<tt>examples/tetrix</tt>. +<p> <hr> +<p> The <a href="qaxserver-demo-tetrax.html">demonstration</a> requires your +Web browser to support ActiveX controls, and scripting to be enabled. +<p> + +The "Tetrix" control is embedded using the <tt><object></tt> tag. Note that the +dimensions of the control are provided explicitely, as the control itself +does not use Qt's layout engine. +<pre> <object ID="QTetrax" width=550 height=370 + CLASSID="CLSID:852558AD-CBD6-4f07-844C-D1E8983CD6FC" + CODEBASE=http://www.trolltech.com/demos/tetrax.cab> + <PARAM NAME="score" VALUE="0"> + [Object not available! Did you forget to build and register the server?] + </object> +</pre>An HTML button is added to start the game. +<pre> <form> + <input type="button" value="Start Game..." + onClick="QTetrax.startGame()"> + </form> +</pre>And an event handler for the <tt>gameOver()</tt> event is implemented in JavaScript +to display a simple message box. +<pre> <SCRIPT LANGUAGE=JavaScript> + function QTetrax::gameOver() + { + alert( "GameOver!" ); + } + </SCRIPT> +</pre><p>See also <a href="qaxserver-examples.html">The QAxServer Examples</a>. + +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |