래퍼 예제(ActiveQt)

Wrapper 예제는 기존 QWidget 클래스를 ActiveX 컨트롤로 내보내는 방법과 QAxFactory 을 QAXFACTORY_EXPORT() 매크로와 함께 사용하는 방법을 보여줍니다. 이 예제에서 ActiveX 컨트롤은 Qt에서 제공하는 표준 버튼 클래스 QPushButton, QCheckBox 및 QRadioButton 입니다.

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

    QStringList featureList() const override
    {
        return m_activeElements.keys();
    }

    QObject *createObject(const QString &key) override
    {
        auto it = m_activeElements.find(key);
        if (it != m_activeElements.end())
            return it->create();
        return nullptr;
    }

    const QMetaObject *metaObject(const QString &key) const override
    {
        auto it = m_activeElements.find(key);
        if (it != m_activeElements.end())
            return it->metaObject;
        return nullptr;
    }

    QUuid classID(const QString &key) const override
    {
        auto it = m_activeElements.find(key);
        if (it != m_activeElements.end())
            return it->classID;
        return QUuid();
    }

    QUuid interfaceID(const QString &key) const override
    {
        auto it = m_activeElements.find(key);
        if (it != m_activeElements.end())
            return it->interfaceID;
        return QUuid();
    }

    QUuid eventsID(const QString &key) const override
    {
        auto it = m_activeElements.find(key);
        if (it != m_activeElements.end())
            return it->eventsID;
        return QUuid();
    }

private:

    struct ActiveElement {
       QUuid classID;
       QUuid interfaceID;
       QUuid eventsID;
       const QMetaObject *metaObject;
       std::function<QObject *()> create;
    };

    const QHash<QString, ActiveElement> m_activeElements {
        {
            QStringLiteral("QCheckBox"), {
                QUuid("{6E795DE9-872D-43CF-A831-496EF9D86C68}"),
                QUuid("{4FD39DD7-2DE0-43C1-A8C2-27C51A052810}"),
                QUuid("{FDB6FFBE-56A3-4E90-8F4D-198488418B3A}"),
                &QCheckBox::staticMetaObject,
                []() { return new QCheckBox; }
            }
        },
        {
            QStringLiteral("QRadioButton"), {
                QUuid("{AFCF78C8-446C-409A-93B3-BA2959039189}"),
                QUuid("{7CC8AE30-206C-48A3-A009-B0A088026C2F}"),
                QUuid("{73EE4860-684C-4A66-BF63-9B9EFFA0CBE5}"),
                &QRadioButton::staticMetaObject,
                []() { return new QRadioButton; }
            }
        },
        {
            QStringLiteral("QPushButton"), {
                QUuid("{2B262458-A4B6-468B-B7D4-CF5FEE0A7092}"),
                QUuid("{06831CC9-59B6-436A-9578-6D53E5AD03D3}"),
                QUuid("{3CC3F17F-EA59-4B58-BBD3-842D467131DD}"),
                &QPushButton::staticMetaObject,
                []() { return new QPushButton; }
            }
        },
        {
            QStringLiteral("QToolButton"), {
                QUuid("{7c0ffe7a-60c3-4666-bde2-5cf2b54390a1}"),
                QUuid("{6726080f-d63d-4950-a366-9bf33e5cdf84}"),
                QUuid("{f4d421fd-4ead-4fd9-8a25-440766939639}"),
                &QToolButton::staticMetaObject,
                []() { return new QToolButton; }
            }
        },
    };

};

팩토리 구현은 지원되는 컨트롤 목록을 반환하고, 요청에 따라 컨트롤을 생성하며, 각 컨트롤의 COM 클래스 및 인터페이스의 고유 ID에 대한 정보를 제공합니다.

QAXFACTORY_EXPORT(ActiveQtFactory, "{3B756301-0075-4E40-8BE8-5A81DE2426B7}", "{AB068077-4924-406a-BBAF-42D91C8727DD}")

팩토리는 QAXFACTORY_EXPORT 매크로를 사용하여 내보냅니다.

예제를 빌드하려면 먼저 QAxServer 라이브러리를 빌드해야 합니다. 그런 다음 qmake 및 examples/activeqt/wrapper 에서 make 도구를 실행합니다.

이 데모를 사용하려면 ActiveX 컨트롤을 지원하는 웹 브라우저와 스크립팅이 활성화되어 있어야 합니다.

<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://qt.nokia.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://qt.nokia.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://qt.nokia.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://qt.nokia.com/demos/wrapperax.cab">
    <PARAM NAME="text" VALUE="Tune me!" />
[Object not available! Did you forget to build and register the server?]
</object><br />

예제 프로젝트 @ code.qt.io

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