main.cpp Example File

activeqt/simple/main.cpp

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  ** This file is part of the examples of the Qt Toolkit.
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  #include <QAxBindable>
  #include <QAxFactory>
  #include <QApplication>
  #include <QLayout>
  #include <QSlider>
  #include <QLCDNumber>
  #include <QLineEdit>
  #include <QMessageBox>

  class QSimpleAX : public QWidget, public QAxBindable
  {
      Q_OBJECT
      Q_CLASSINFO("ClassID",     "{DF16845C-92CD-4AAB-A982-EB9840E74669}")
      Q_CLASSINFO("InterfaceID", "{616F620B-91C5-4410-A74E-6B81C76FFFE0}")
      Q_CLASSINFO("EventsID",    "{E1816BBA-BF5D-4A31-9855-D6BA432055FF}")
      Q_PROPERTY( QString text READ text WRITE setText )
      Q_PROPERTY( int value READ value WRITE setValue )
  public:
      QSimpleAX(QWidget *parent = 0)
      : QWidget(parent)
      {
          QVBoxLayout *vbox = new QVBoxLayout( this );

          slider = new QSlider( Qt::Horizontal, this );
          LCD = new QLCDNumber( 3, this );
          edit = new QLineEdit( this );

          connect( slider, &QAbstractSlider::valueChanged, this, &QSimpleAX::setValue );
          connect( edit, &QLineEdit::textChanged, this, &QSimpleAX::setText );

          vbox->addWidget( slider );
          vbox->addWidget( LCD );
          vbox->addWidget( edit );
      }

      QString text() const
      {
          return edit->text();
      }
      int value() const
      {
          return slider->value();
      }

  signals:
      void someSignal();
      void valueChanged(int);
      void textChanged(const QString&);

  public slots:
      void setText( const QString &string )
      {
          if ( !requestPropertyChange( "text" ) )
              return;

          edit->blockSignals( true );
          edit->setText( string );
          edit->blockSignals( false );
          emit someSignal();
          emit textChanged( string );

          propertyChanged( "text" );
      }
      void about()
      {
          QMessageBox::information( this, "About QSimpleAX", "This is a Qt widget, and this slot has been\n"
                                                            "called through ActiveX/OLE automation!" );
      }
      void setValue( int i )
      {
          if ( !requestPropertyChange( "value" ) )
              return;
          slider->blockSignals( true );
          slider->setValue( i );
          slider->blockSignals( false );
          LCD->display( i );
          emit valueChanged( i );

          propertyChanged( "value" );
      }

  private:
      QSlider *slider;
      QLCDNumber *LCD;
      QLineEdit *edit;
  };

  #include "main.moc"

  QAXFACTORY_BEGIN(
      "{EC08F8FC-2754-47AB-8EFE-56A54057F34E}", // type library ID
      "{A095BA0C-224F-4933-A458-2DD7F6B85D8F}") // application ID
      QAXCLASS(QSimpleAX)
  QAXFACTORY_END()