examples/widgets/sliders/slidersgroup.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)
       
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     7 ** This file is part of the examples of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
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    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
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    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
       
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    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 <QtGui>
       
    43 
       
    44 #include "slidersgroup.h"
       
    45 
       
    46 //! [0]
       
    47 SlidersGroup::SlidersGroup(Qt::Orientation orientation, const QString &title,
       
    48                            QWidget *parent)
       
    49     : QGroupBox(title, parent)
       
    50 {
       
    51     slider = new QSlider(orientation);
       
    52     slider->setFocusPolicy(Qt::StrongFocus);
       
    53     slider->setTickPosition(QSlider::TicksBothSides);
       
    54     slider->setTickInterval(10);
       
    55     slider->setSingleStep(1);
       
    56 
       
    57     scrollBar = new QScrollBar(orientation);
       
    58     scrollBar->setFocusPolicy(Qt::StrongFocus);
       
    59 
       
    60     dial = new QDial;
       
    61     dial->setFocusPolicy(Qt::StrongFocus);
       
    62 
       
    63     connect(slider, SIGNAL(valueChanged(int)), scrollBar, SLOT(setValue(int)));
       
    64     connect(scrollBar, SIGNAL(valueChanged(int)), dial, SLOT(setValue(int)));
       
    65     connect(dial, SIGNAL(valueChanged(int)), slider, SLOT(setValue(int)));
       
    66 //! [0] //! [1]
       
    67     connect(dial, SIGNAL(valueChanged(int)), this, SIGNAL(valueChanged(int)));
       
    68 //! [1] //! [2]
       
    69 
       
    70 //! [2] //! [3]
       
    71     QBoxLayout::Direction direction;
       
    72 //! [3] //! [4]
       
    73 
       
    74     if (orientation == Qt::Horizontal)
       
    75         direction = QBoxLayout::TopToBottom;
       
    76     else
       
    77         direction = QBoxLayout::LeftToRight;
       
    78 
       
    79     QBoxLayout *slidersLayout = new QBoxLayout(direction);
       
    80     slidersLayout->addWidget(slider);
       
    81     slidersLayout->addWidget(scrollBar);
       
    82     slidersLayout->addWidget(dial);
       
    83     setLayout(slidersLayout);
       
    84 }
       
    85 //! [4]
       
    86 
       
    87 //! [5]
       
    88 void SlidersGroup::setValue(int value)
       
    89 //! [5] //! [6]
       
    90 {
       
    91     slider->setValue(value);
       
    92 }
       
    93 //! [6]
       
    94 
       
    95 //! [7]
       
    96 void SlidersGroup::setMinimum(int value)
       
    97 //! [7] //! [8]
       
    98 {
       
    99     slider->setMinimum(value);
       
   100     scrollBar->setMinimum(value);
       
   101     dial->setMinimum(value);
       
   102 }
       
   103 //! [8]
       
   104 
       
   105 //! [9]
       
   106 void SlidersGroup::setMaximum(int value)
       
   107 //! [9] //! [10]
       
   108 {
       
   109     slider->setMaximum(value);
       
   110     scrollBar->setMaximum(value);
       
   111     dial->setMaximum(value);
       
   112 }
       
   113 //! [10]
       
   114 
       
   115 //! [11]
       
   116 void SlidersGroup::invertAppearance(bool invert)
       
   117 //! [11] //! [12]
       
   118 {
       
   119     slider->setInvertedAppearance(invert);
       
   120     scrollBar->setInvertedAppearance(invert);
       
   121     dial->setInvertedAppearance(invert);
       
   122 }
       
   123 //! [12]
       
   124 
       
   125 //! [13]
       
   126 void SlidersGroup::invertKeyBindings(bool invert)
       
   127 //! [13] //! [14]
       
   128 {
       
   129     slider->setInvertedControls(invert);
       
   130     scrollBar->setInvertedControls(invert);
       
   131     dial->setInvertedControls(invert);
       
   132 }
       
   133 //! [14]