examples/activeqt/simple/main.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the examples of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QAxBindable>
       
    43 #include <QAxFactory>
       
    44 #include <QApplication>
       
    45 #include <QLayout>
       
    46 #include <QSlider>
       
    47 #include <QLCDNumber>
       
    48 #include <QLineEdit>
       
    49 #include <QMessageBox>
       
    50 
       
    51 //! [0]
       
    52 class QSimpleAX : public QWidget, public QAxBindable
       
    53 {
       
    54     Q_OBJECT
       
    55     Q_PROPERTY( QString text READ text WRITE setText )
       
    56     Q_PROPERTY( int value READ value WRITE setValue )
       
    57 public:
       
    58     QSimpleAX(QWidget *parent = 0)
       
    59     : QWidget(parent)
       
    60     {
       
    61 	QVBoxLayout *vbox = new QVBoxLayout( this );
       
    62 
       
    63         slider = new QSlider( Qt::Horizontal, this );
       
    64 	LCD = new QLCDNumber( 3, this );
       
    65 	edit = new QLineEdit( this );
       
    66 
       
    67 	connect( slider, SIGNAL( valueChanged( int ) ), this, SLOT( setValue(int) ) );
       
    68 	connect( edit, SIGNAL(textChanged(const QString&)), this, SLOT(setText(const QString&)) );
       
    69 
       
    70 	vbox->addWidget( slider );
       
    71 	vbox->addWidget( LCD );
       
    72 	vbox->addWidget( edit );
       
    73     }
       
    74 
       
    75     QString text() const 
       
    76     { 
       
    77 	return edit->text(); 
       
    78     }
       
    79     int value() const
       
    80     {
       
    81 	return slider->value();
       
    82     }
       
    83 
       
    84 signals:
       
    85     void someSignal();
       
    86     void valueChanged(int);
       
    87     void textChanged(const QString&);
       
    88 
       
    89 public slots:
       
    90     void setText( const QString &string )
       
    91     {
       
    92 	if ( !requestPropertyChange( "text" ) )
       
    93 	    return;
       
    94 
       
    95 	edit->blockSignals( true );
       
    96 	edit->setText( string );
       
    97 	edit->blockSignals( false );
       
    98 	emit someSignal();
       
    99 	emit textChanged( string );
       
   100 
       
   101 	propertyChanged( "text" );
       
   102     }
       
   103     void about()
       
   104     {
       
   105 	QMessageBox::information( this, "About QSimpleAX", "This is a Qt widget, and this slot has been\n"
       
   106 							  "called through ActiveX/OLE automation!" );
       
   107     }
       
   108     void setValue( int i )
       
   109     {
       
   110 	if ( !requestPropertyChange( "value" ) )
       
   111 	    return;
       
   112 	slider->blockSignals( true );
       
   113 	slider->setValue( i );
       
   114 	slider->blockSignals( false );
       
   115 	LCD->display( i );
       
   116 	emit valueChanged( i );
       
   117 
       
   118 	propertyChanged( "value" );
       
   119     }
       
   120 
       
   121 private:
       
   122     QSlider *slider;
       
   123     QLCDNumber *LCD;
       
   124     QLineEdit *edit;
       
   125 };
       
   126 
       
   127 //! [0]
       
   128 #include "main.moc"
       
   129 
       
   130 //! [1]
       
   131 QAXFACTORY_DEFAULT(QSimpleAX,
       
   132 	   "{DF16845C-92CD-4AAB-A982-EB9840E74669}",
       
   133 	   "{616F620B-91C5-4410-A74E-6B81C76FFFE0}",
       
   134 	   "{E1816BBA-BF5D-4A31-9855-D6BA432055FF}",
       
   135 	   "{EC08F8FC-2754-47AB-8EFE-56A54057F34E}",	   
       
   136 	   "{A095BA0C-224F-4933-A458-2DD7F6B85D8F}")
       
   137 //! [1]