1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation ([email protected])
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6 | **
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7 | ** This file is part of the examples of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:BSD$
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10 | ** You may use this file under the terms of the BSD license as follows:
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11 | **
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12 | ** "Redistribution and use in source and binary forms, with or without
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13 | ** modification, are permitted provided that the following conditions are
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14 | ** met:
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15 | ** * Redistributions of source code must retain the above copyright
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16 | ** notice, this list of conditions and the following disclaimer.
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17 | ** * Redistributions in binary form must reproduce the above copyright
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18 | ** notice, this list of conditions and the following disclaimer in
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19 | ** the documentation and/or other materials provided with the
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20 | ** distribution.
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21 | ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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22 | ** the names of its contributors may be used to endorse or promote
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23 | ** products derived from this software without specific prior written
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24 | ** permission.
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25 | **
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26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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37 | ** $QT_END_LICENSE$
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38 | **
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39 | ****************************************************************************/
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40 |
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41 | #include <QAxBindable>
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42 | #include <QAxFactory>
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43 | #include <QApplication>
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44 | #include <QLayout>
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45 | #include <QSlider>
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46 | #include <QLCDNumber>
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47 | #include <QLineEdit>
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48 | #include <QMessageBox>
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49 |
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50 | //! [0]
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51 | class QSimpleAX : public QWidget, public QAxBindable
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52 | {
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53 | Q_OBJECT
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54 | Q_PROPERTY( QString text READ text WRITE setText )
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55 | Q_PROPERTY( int value READ value WRITE setValue )
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56 | public:
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57 | QSimpleAX(QWidget *parent = 0)
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58 | : QWidget(parent)
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59 | {
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60 | QVBoxLayout *vbox = new QVBoxLayout( this );
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61 |
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62 | slider = new QSlider( Qt::Horizontal, this );
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63 | LCD = new QLCDNumber( 3, this );
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64 | edit = new QLineEdit( this );
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65 |
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66 | connect( slider, SIGNAL(valueChanged(int)), this, SLOT(setValue(int)) );
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67 | connect( edit, SIGNAL(textChanged(QString)), this, SLOT(setText(QString)) );
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68 |
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69 | vbox->addWidget( slider );
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70 | vbox->addWidget( LCD );
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71 | vbox->addWidget( edit );
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72 | }
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73 |
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74 | QString text() const
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75 | {
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76 | return edit->text();
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77 | }
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78 | int value() const
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79 | {
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80 | return slider->value();
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81 | }
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82 |
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83 | signals:
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84 | void someSignal();
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85 | void valueChanged(int);
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86 | void textChanged(const QString&);
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87 |
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88 | public slots:
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89 | void setText( const QString &string )
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90 | {
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91 | if ( !requestPropertyChange( "text" ) )
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92 | return;
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93 |
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94 | edit->blockSignals( true );
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95 | edit->setText( string );
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96 | edit->blockSignals( false );
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97 | emit someSignal();
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98 | emit textChanged( string );
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99 |
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100 | propertyChanged( "text" );
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101 | }
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102 | void about()
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103 | {
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104 | QMessageBox::information( this, "About QSimpleAX", "This is a Qt widget, and this slot has been\n"
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105 | "called through ActiveX/OLE automation!" );
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106 | }
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107 | void setValue( int i )
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108 | {
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109 | if ( !requestPropertyChange( "value" ) )
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110 | return;
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111 | slider->blockSignals( true );
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112 | slider->setValue( i );
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113 | slider->blockSignals( false );
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114 | LCD->display( i );
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115 | emit valueChanged( i );
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116 |
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117 | propertyChanged( "value" );
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118 | }
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119 |
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120 | private:
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121 | QSlider *slider;
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122 | QLCDNumber *LCD;
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123 | QLineEdit *edit;
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124 | };
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125 |
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126 | //! [0]
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127 | #include "main.moc"
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128 |
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129 | //! [1]
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130 | QAXFACTORY_DEFAULT(QSimpleAX,
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131 | "{DF16845C-92CD-4AAB-A982-EB9840E74669}",
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132 | "{616F620B-91C5-4410-A74E-6B81C76FFFE0}",
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133 | "{E1816BBA-BF5D-4A31-9855-D6BA432055FF}",
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134 | "{EC08F8FC-2754-47AB-8EFE-56A54057F34E}",
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135 | "{A095BA0C-224F-4933-A458-2DD7F6B85D8F}")
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136 | //! [1]
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