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

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

 /****************************************************************************
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information ([email protected])
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 **
 ** GNU Lesser General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU Lesser
 ** General Public License version 2.1 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.LGPL included in the
 ** packaging of this file.  Please review the following information to
 ** ensure the GNU Lesser General Public License version 2.1 requirements
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** In addition, as a special exception, Nokia gives you certain
 ** additional rights. These rights are described in the Nokia Qt LGPL
 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
 ** package.
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License version 3.0 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.  Please review the following information to
 ** ensure the GNU General Public License version 3.0 requirements will be
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
 ** If you are unsure which license is appropriate for your use, please
 ** contact the sales department at [email protected].
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #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);
 }