Wrapper Example (ActiveQt)
Files:
The Wrapper example demonstrates how to export existing QWidget classes as ActiveX controls, and the use of QAxFactory together with the QAXFACTORY_EXPORT() macro. ActiveX controls in this example are the standard button classes QPushButton, QCheckBox and QRadioButton as provided by Qt.
class ActiveQtFactory : public QAxFactory
{
public:
ActiveQtFactory( const QUuid &lib, const QUuid &app )
: QAxFactory( lib, app )
{}
QStringList featureList() const
{
QStringList list;
list << "QCheckBox";
list << "QRadioButton";
list << "QPushButton";
list << "QToolButton";
return list;
}
QObject *createObject(const QString &key)
{
if ( key == "QCheckBox" )
return new QCheckBox(0);
if ( key == "QRadioButton" )
return new QRadioButton(0);
if ( key == "QPushButton" )
return new QPushButton(0 );
if ( key == "QToolButton" ) {
QToolButton *tb = new QToolButton(0);
return tb;
}
return 0;
}
const QMetaObject *metaObject( const QString &key ) const
{
if ( key == "QCheckBox" )
return &QCheckBox::staticMetaObject;
if ( key == "QRadioButton" )
return &QRadioButton::staticMetaObject;
if ( key == "QPushButton" )
return &QPushButton::staticMetaObject;
if ( key == "QToolButton" )
return &QToolButton::staticMetaObject;
return 0;
}
QUuid classID( const QString &key ) const
{
if ( key == "QCheckBox" )
return "{6E795DE9-872D-43CF-A831-496EF9D86C68}";
if ( key == "QRadioButton" )
return "{AFCF78C8-446C-409A-93B3-BA2959039189}";
if ( key == "QPushButton" )
return "{2B262458-A4B6-468B-B7D4-CF5FEE0A7092}";
if ( key == "QToolButton" )
return "{7c0ffe7a-60c3-4666-bde2-5cf2b54390a1}";
return QUuid();
}
QUuid interfaceID( const QString &key ) const
{
if ( key == "QCheckBox" )
return "{4FD39DD7-2DE0-43C1-A8C2-27C51A052810}";
if ( key == "QRadioButton" )
return "{7CC8AE30-206C-48A3-A009-B0A088026C2F}";
if ( key == "QPushButton" )
return "{06831CC9-59B6-436A-9578-6D53E5AD03D3}";
if ( key == "QToolButton" )
return "{6726080f-d63d-4950-a366-9bf33e5cdf84}";
return QUuid();
}
QUuid eventsID( const QString &key ) const
{
if ( key == "QCheckBox" )
return "{FDB6FFBE-56A3-4E90-8F4D-198488418B3A}";
if ( key == "QRadioButton" )
return "{73EE4860-684C-4A66-BF63-9B9EFFA0CBE5}";
if ( key == "QPushButton" )
return "{3CC3F17F-EA59-4B58-BBD3-842D467131DD}";
if ( key == "QToolButton" )
return "{f4d421fd-4ead-4fd9-8a25-440766939639}";
return QUuid();
}
};
The factory implementation returns the list of supported controls, creates controls on request and provides information about the unique IDs of the COM classes and interfaces for each control.
QAXFACTORY_EXPORT( ActiveQtFactory, "{3B756301-0075-4E40-8BE8-5A81DE2426B7}", "{AB068077-4924-406a-BBAF-42D91C8727DD}" )
The factory is exported using the QAXFACTORY_EXPORT macro.
To build the example you must first build the QAxServer library. Then run qmake and your make tool in examples/activeqt/wrapper.
The demonstration requires a web browser that supports ActiveX controls, and scripting to be enabled.
<SCRIPT LANGUAGE="VBScript">
Sub ToolButton_Clicked()
RadioButton.text = InputBox( "Enter something", "Wrapper Demo" )
End Sub
Sub PushButton_clicked()
MsgBox( "Thank you!" )
End Sub
Sub CheckBox_toggled( state )
if state = 0 then
CheckBox.text = "Check me!"
else
CheckBox.text = "Uncheck me!"
end if
End Sub
</SCRIPT>
<p />
A QPushButton:<br />
<object ID="PushButton" CLASSID="CLSID:2B262458-A4B6-468B-B7D4-CF5FEE0A7092"
CODEBASE="http://www.trolltech.com/demos/wrapperax.cab">
<PARAM NAME="text" VALUE="Click me!" />
[Object not available! Did you forget to build and register the server?]
</object><br />
<p />
A QCheckBox:<br />
<object ID="CheckBox" CLASSID="CLSID:6E795de9-872d-43cf-a831-496ef9d86c68"
CODEBASE="http://www.trolltech.com/demos/wrapperax.cab">
<PARAM NAME="text" VALUE="Check me!" />
[Object not available! Did you forget to build and register the server?]
</object><br />
<p />
A QToolButton:<br />
<object ID="ToolButton" CLASSID="CLSID:7c0ffe7a-60c3-4666-bde2-5cf2b54390a1"
CODEBASE="http://www.trolltech.com/demos/wrapperax.cab">
[Object not available! Did you forget to build and register the server?]
</object><br />
<p />
A QRadioButton:<br />
<object ID="RadioButton" CLASSID="CLSID:afcf78c8-446c-409a-93b3-ba2959039189"
CODEBASE="http://www.trolltech.com/demos/wrapperax.cab">
<PARAM NAME="text" VALUE="Tune me!" />
[Object not available! Did you forget to build and register the server?]
</object><br />