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# Wrapper Example (ActiveQt)

Files:

- activeqt/wrapper/main.cpp

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.

        ** This file is part of the example classes of the Qt Toolkit.
        **
        ** Licensees holding valid Qt Preview licenses may use this file in
        ** accordance with the Qt Preview License Agreement provided with the
        ** Software.
        **
        ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
        ** information about Qt Commercial License Agreements.
        **
        ** Contact info@trolltech.com if any conditions of this licensing are
        ** not clear to you.
        **
        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        **
        ****************************************************************************/

        #include <QAxFactory>
        #include <QCheckBox>
        #include <QRadioButton>
        #include <QPushButton>
        #include <QToolButton>
        #include <QPixmap>

        /* XPM */
        static const char *fileopen[] = {
        "    16    13        5            1",
        ". c #040404",
        "# c #808304",
        "a c None",
        "b c #f3f704",
        "c c #f3f7f3",
        "aaaaaaaaa...aaaa",
        "aaaaaaaa.aaa.a.a",
        "aaaaaaaaaaaaa..a",
        "a...aaaaaaaa...a",
        ".bcb.......aaaaa",
        ".cbcbcbcbc.aaaaa",
        ".bcbcbcbcb.aaaaa",
        ".cbcb...........",
        ".bcb.#########.a",
        ".cb.#########.aa",
        ".b.#########.aaa",
        "..#########.aaaa",
        "...........aaaaa"
        };

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.

        class ActiveQtFactory : public QAxFactory
        {
        public:
            ActiveQtFactory( const QUuid &lib, const QUuid &app )
                : QAxFactory( lib, app )
            {}

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 />