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. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.2, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** 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 [email protected].
**
** 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);
 }