diff options
Diffstat (limited to 'doc/html/qaxserver-example-simple.html')
| -rw-r--r-- | doc/html/qaxserver-example-simple.html | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/doc/html/qaxserver-example-simple.html b/doc/html/qaxserver-example-simple.html new file mode 100644 index 000000000..4cc864235 --- /dev/null +++ b/doc/html/qaxserver-example-simple.html @@ -0,0 +1,182 @@ +<!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/simple/simple.doc:45 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>A simple ActiveTQt 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 simple ActiveTQt control (executable)</h1> + + + +The ActiveX control in this example is a layouted <a href="qwidget.html">TQWidget</a> +with a <a href="qslider.html">TQSlider</a>, a <a href="qlcdnumber.html">TQLCDNumber</a> and a <a href="qlineedit.html">TQLineEdit</a>. +It provides a signal/slot/property interface to change the +values of the slider and the line edit, and to get notified +of any property changes. +<p> It demonstrates the use of <a href="qaxbindable.html#requestPropertyChange">TQAxBindable::requestPropertyChange</a>() +and <a href="qaxbindable.html#propertyChanged">TQAxBindable::propertyChanged</a>(), and the use of the default +<a href="qaxfactory.html">TQAxFactory</a> through the <a href="qaxfactory.html#TQAXFACTORY_DEFAULT">TQAXFACTORY_DEFAULT</a> macro. +<p> + +<p> The TQt implementation of the ActiveX for this example is +<pre> class TQSimpleAX : public <a href="qwidget.html">TQWidget</a>, public TQAxBindable + { + <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a> + Q_PROPERTY( TQString text READ text WRITE setText ) + Q_PROPERTY( int value READ value WRITE setValue ) + public: + TQSimpleAX( <a href="qwidget.html">TQWidget</a> *parent = 0, const char *name = 0 ) + : <a href="qwidget.html">TQWidget</a>( parent, name ) + { + <a href="qvboxlayout.html">TQVBoxLayout</a> *vbox = new <a href="qvboxlayout.html">TQVBoxLayout</a>( this ); + + slider = new <a href="qslider.html">TQSlider</a>( 0, 100, 1, 0, TQSlider::Horizontal, this ); + LCD = new <a href="qlcdnumber.html">TQLCDNumber</a>( 3, this ); + edit = new <a href="qlineedit.html">TQLineEdit</a>( this ); + + <a name="x2528"></a> connect( slider, SIGNAL( <a href="qslider.html#valueChanged">valueChanged</a>( int ) ), this, SLOT( setValue(int) ) ); + <a name="x2523"></a> connect( edit, SIGNAL(<a href="qlineedit.html#textChanged">textChanged</a>(const <a href="qstring.html">TQString</a>&)), this, SLOT(setText(const <a href="qstring.html">TQString</a>&)) ); + + vbox-><a href="qboxlayout.html#addWidget">addWidget</a>( slider ); + vbox-><a href="qboxlayout.html#addWidget">addWidget</a>( LCD ); + vbox-><a href="qboxlayout.html#addWidget">addWidget</a>( edit ); + } + + <a href="qstring.html">TQString</a> text() const + { + <a name="x2522"></a> return edit-><a href="qlineedit.html#text">text</a>(); + } + int value() const + { + <a name="x2527"></a> return slider-><a href="qslider.html#value">value</a>(); + } + + signals: + void someSignal(); + void valueChanged(int); + void textChanged(const <a href="qstring.html">TQString</a>&); + + public slots: + void setText( const <a href="qstring.html">TQString</a> &string ) + { + if ( !requestPropertyChange( "text" ) ) + return; + + <a name="x2525"></a> edit-><a href="qobject.html#blockSignals">blockSignals</a>( TRUE ); + <a name="x2521"></a> edit-><a href="qlineedit.html#setText">setText</a>( string ); + edit-><a href="qobject.html#blockSignals">blockSignals</a>( FALSE ); + emit someSignal(); + emit textChanged( string ); + + propertyChanged( "text" ); + } + void about() + { + <a name="x2524"></a> TQMessageBox::<a href="qmessagebox.html#information">information</a>( this, "About TQSimpleAX", "This is a TQt widget, and this slot has been\n" + "called through ActiveX/OLE automation!" ); + } + void setValue( int i ) + { + if ( !requestPropertyChange( "value" ) ) + return; + slider-><a href="qobject.html#blockSignals">blockSignals</a>( TRUE ); + <a name="x2526"></a> slider-><a href="qslider.html#setValue">setValue</a>( i ); + slider-><a href="qobject.html#blockSignals">blockSignals</a>( FALSE ); + LCD-><a href="qlcdnumber.html#display">display</a>( i ); + emit valueChanged( i ); + + propertyChanged( "value" ); + } + + private: + <a href="qslider.html">TQSlider</a> *slider; + <a href="qlcdnumber.html">TQLCDNumber</a> *LCD; + <a href="qlineedit.html">TQLineEdit</a> *edit; + }; +</pre> +<p> The control is exported using the default <a href="qaxfactory.html">TQAxFactory</a> +<pre> TQAXFACTORY_DEFAULT(TQSimpleAX, + "{DF16845C-92CD-4AAB-A982-EB9840E74669}", + "{616F620B-91C5-4410-A74E-6B81C76FFFE0}", + "{E1816BBA-BF5D-4A31-9855-D6BA432055FF}", + "{EC08F8FC-2754-47AB-8EFE-56A54057F34E}", + "{A095BA0C-224F-4933-A458-2DD7F6B85D8F}") +</pre> +<p> To build the example you must first build the <a href="qaxserver.html">TQAxServer</a> library. Then run qmake and your make tool in +<tt>examples/simple</tt>. +<p> <hr> +<p> The <a href="qaxserver-demo-simple.html">demonstration</a> retquires your +WebBrowser to support ActiveX controls, and scripting to be enabled. +<p> The simple ActiveX control is embedded using the <tt><object></tt> tag. + + +<pre> <object ID="TQSimpleAX" CLASSID="CLSID:DF16845C-92CD-4AAB-A982-EB9840E74669" + CODEBASE=http://www.trolltech.com/demos/simpleax.cab> + <PARAM NAME="text" VALUE="A simple control"> + <PARAM NAME="value" VALUE="1"> + [Object not available! Did you forget to build and register the server?] + </object> +</pre> +<p> A simple HTML button is connected to the <a href="activeqt.html#ActiveTQt">ActiveTQt</a>'s about() slot. +<pre> <FORM> + <INPUT TYPE="BUTTON" VALUE="About..." onClick="TQSimpleAX.about()"> + </FORM> +</pre> +<p> A second ActiveX control - the standard Calendar Control - is instantiated +<pre> <object ID="Calendar" CLASSID="CLSID:8E27C92B-1264-101C-8A2F-040224009C02"> + [Standard Calendar control not available!] + <PARAM NAME="day" VALUE="1"> + </object> +</pre> +<p> Events from the ActiveX controls are handled using both Visual Basic Script +and JavaScript. +<pre> <SCRIPT LANGUAGE=VBScript> + Sub Calendar_Click() + MsgBox( "Calendar Clicked!" ) + End Sub + + Sub TQSimpleAX_TextChanged( str ) + document.title = str + End Sub + </SCRIPT> + <SCRIPT LANGUAGE=JavaScript> + function TQSimpleAX::ValueChanged( Newvalue ) + { + Calendar.Day = Newvalue; + } + </SCRIPT> +</pre><p>See also <a href="qaxserver-examples.html">The TQAxServer 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>TQt 3.3.8</div> +</table></div></address></body> +</html> |