|  | Home · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# window.cpp Example File
widgets/sliders/window.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2004-2008 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the documentation of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
    ** included in the packaging of this file.  Alternatively you may (at
    ** your option) use any later version of the GNU General Public
    ** License if such license has been publicly approved by Trolltech ASA
    ** (or its successors, if any) and the KDE Free Qt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
    ** you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** In addition, as a special exception, Trolltech, as the sole
    ** copyright holder for Qt Designer, grants users of the Qt/Eclipse
    ** Integration plug-in the right for the Qt/Eclipse Integration to
    ** link to functionality provided by Qt Designer and its related
    ** libraries.
    **
    ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
    ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
    ** granted herein.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #include <QtGui>

     #include "slidersgroup.h"
     #include "window.h"

     Window::Window()
     {
         horizontalSliders = new SlidersGroup(Qt::Horizontal, tr("Horizontal"));
         verticalSliders = new SlidersGroup(Qt::Vertical, tr("Vertical"));

         stackedWidget = new QStackedWidget;
         stackedWidget->addWidget(horizontalSliders);
         stackedWidget->addWidget(verticalSliders);

         createControls(tr("Controls"));

         connect(horizontalSliders, SIGNAL(valueChanged(int)),
                 verticalSliders, SLOT(setValue(int)));
         connect(verticalSliders, SIGNAL(valueChanged(int)),
                 valueSpinBox, SLOT(setValue(int)));
         connect(valueSpinBox, SIGNAL(valueChanged(int)),
                 horizontalSliders, SLOT(setValue(int)));

         QHBoxLayout *layout = new QHBoxLayout;
         layout->addWidget(controlsGroup);
         layout->addWidget(stackedWidget);
         setLayout(layout);

         minimumSpinBox->setValue(0);
         maximumSpinBox->setValue(20);
         valueSpinBox->setValue(5);

         setWindowTitle(tr("Sliders"));
     }

     void Window::createControls(const QString &title)
     {
         controlsGroup = new QGroupBox(title);

         minimumLabel = new QLabel(tr("Minimum value:"));
         maximumLabel = new QLabel(tr("Maximum value:"));
         valueLabel = new QLabel(tr("Current value:"));

         invertedAppearance = new QCheckBox(tr("Inverted appearance"));
         invertedKeyBindings = new QCheckBox(tr("Inverted key bindings"));

         minimumSpinBox = new QSpinBox;
         minimumSpinBox->setRange(-100, 100);
         minimumSpinBox->setSingleStep(1);

         maximumSpinBox = new QSpinBox;
         maximumSpinBox->setRange(-100, 100);
         maximumSpinBox->setSingleStep(1);

         valueSpinBox = new QSpinBox;
         valueSpinBox->setRange(-100, 100);
         valueSpinBox->setSingleStep(1);

         orientationCombo = new QComboBox;
         orientationCombo->addItem(tr("Horizontal slider-like widgets"));
         orientationCombo->addItem(tr("Vertical slider-like widgets"));

         connect(orientationCombo, SIGNAL(activated(int)),
                 stackedWidget, SLOT(setCurrentIndex(int)));
         connect(minimumSpinBox, SIGNAL(valueChanged(int)),
                 horizontalSliders, SLOT(setMinimum(int)));
         connect(minimumSpinBox, SIGNAL(valueChanged(int)),
                 verticalSliders, SLOT(setMinimum(int)));
         connect(maximumSpinBox, SIGNAL(valueChanged(int)),
                 horizontalSliders, SLOT(setMaximum(int)));
         connect(maximumSpinBox, SIGNAL(valueChanged(int)),
                 verticalSliders, SLOT(setMaximum(int)));
         connect(invertedAppearance, SIGNAL(toggled(bool)),
                 horizontalSliders, SLOT(invertAppearance(bool)));
         connect(invertedAppearance, SIGNAL(toggled(bool)),
                 verticalSliders, SLOT(invertAppearance(bool)));
         connect(invertedKeyBindings, SIGNAL(toggled(bool)),
                 horizontalSliders, SLOT(invertKeyBindings(bool)));
         connect(invertedKeyBindings, SIGNAL(toggled(bool)),
                 verticalSliders, SLOT(invertKeyBindings(bool)));

         QGridLayout *controlsLayout = new QGridLayout;
         controlsLayout->addWidget(minimumLabel, 0, 0);
         controlsLayout->addWidget(maximumLabel, 1, 0);
         controlsLayout->addWidget(valueLabel, 2, 0);
         controlsLayout->addWidget(minimumSpinBox, 0, 1);
         controlsLayout->addWidget(maximumSpinBox, 1, 1);
         controlsLayout->addWidget(valueSpinBox, 2, 1);
         controlsLayout->addWidget(invertedAppearance, 0, 2);
         controlsLayout->addWidget(invertedKeyBindings, 1, 2);
         controlsLayout->addWidget(orientationCombo, 3, 0, 1, 3);
         controlsGroup->setLayout(controlsLayout);
     }