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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "slidersgroup.h"
#include "window.h"
#include <QCheckBox>
#include <QComboBox>
#include <QLabel>
#include <QSpinBox>
#include <QStackedWidget>
//! [0]
Window::Window(QWidget *parent)
: QWidget(parent)
{
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"));
//! [0]
//! [1]
connect(horizontalSliders, &SlidersGroup::valueChanged,
//! [1] //! [2]
verticalSliders, &SlidersGroup::setValue);
connect(verticalSliders, &SlidersGroup::valueChanged,
valueSpinBox, &QSpinBox::setValue);
connect(valueSpinBox, &QSpinBox::valueChanged,
horizontalSliders, &SlidersGroup::setValue);
layout = new QGridLayout;
layout->addWidget(stackedWidget, 0, 1);
layout->addWidget(controlsGroup, 0, 0);
setLayout(layout);
minimumSpinBox->setValue(0);
maximumSpinBox->setValue(20);
valueSpinBox->setValue(5);
setWindowTitle(tr("Sliders"));
}
//! [2]
//! [3]
void Window::createControls(const QString &title)
//! [3] //! [4]
{
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"));
//! [4] //! [5]
minimumSpinBox = new QSpinBox;
//! [5] //! [6]
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"));
//! [6] //! [7]
connect(orientationCombo, &QComboBox::activated,
//! [7] //! [8]
stackedWidget, &QStackedWidget::setCurrentIndex);
connect(minimumSpinBox, &QSpinBox::valueChanged,
horizontalSliders, &SlidersGroup::setMinimum);
connect(minimumSpinBox, &QSpinBox::valueChanged,
verticalSliders, &SlidersGroup::setMinimum);
connect(maximumSpinBox, &QSpinBox::valueChanged,
horizontalSliders, &SlidersGroup::setMaximum);
connect(maximumSpinBox, &QSpinBox::valueChanged,
verticalSliders, &SlidersGroup::setMaximum);
connect(invertedAppearance, &QCheckBox::toggled,
horizontalSliders, &SlidersGroup::invertAppearance);
connect(invertedAppearance, &QCheckBox::toggled,
verticalSliders, &SlidersGroup::invertAppearance);
connect(invertedKeyBindings, &QCheckBox::toggled,
horizontalSliders, &SlidersGroup::invertKeyBindings);
connect(invertedKeyBindings, &QCheckBox::toggled,
verticalSliders, &SlidersGroup::invertKeyBindings);
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);
}
//! [8]
void Window::resizeEvent(QResizeEvent *e)
{
if (width() == 0 || height() == 0)
return;
const double aspectRatio = double(width()) / double(height());
if ((aspectRatio < 1.0) && (oldAspectRatio > 1.0)) {
layout->removeWidget(controlsGroup);
layout->removeWidget(stackedWidget);
layout->addWidget(stackedWidget, 1, 0);
layout->addWidget(controlsGroup, 0, 0);
oldAspectRatio = aspectRatio;
}
else if ((aspectRatio > 1.0) && (oldAspectRatio < 1.0)) {
layout->removeWidget(controlsGroup);
layout->removeWidget(stackedWidget);
layout->addWidget(stackedWidget, 0, 1);
layout->addWidget(controlsGroup, 0, 0);
oldAspectRatio = aspectRatio;
}
}
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