qt6-bb10/examples/widgets/widgets/sliders/slidersgroup.cpp

146 lines
4.6 KiB
C++

/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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#include "slidersgroup.h"
#include <QBoxLayout>
#include <QDial>
#include <QScrollBar>
#include <QSlider>
//! [0]
SlidersGroup::SlidersGroup(Qt::Orientation orientation, const QString &title,
QWidget *parent)
: QGroupBox(title, parent)
{
slider = new QSlider(orientation);
slider->setFocusPolicy(Qt::StrongFocus);
slider->setTickPosition(QSlider::TicksBothSides);
slider->setTickInterval(10);
slider->setSingleStep(1);
scrollBar = new QScrollBar(orientation);
scrollBar->setFocusPolicy(Qt::StrongFocus);
dial = new QDial;
dial->setFocusPolicy(Qt::StrongFocus);
connect(slider, &QSlider::valueChanged, scrollBar, &QScrollBar::setValue);
connect(scrollBar, &QScrollBar::valueChanged, dial, &QDial::setValue);
connect(dial, &QDial::valueChanged, slider, &QSlider::setValue);
//! [0] //! [1]
connect(dial, &QDial::valueChanged, this, &SlidersGroup::valueChanged);
//! [1] //! [2]
//! [2] //! [3]
QBoxLayout::Direction direction;
//! [3] //! [4]
if (orientation == Qt::Horizontal)
direction = QBoxLayout::TopToBottom;
else
direction = QBoxLayout::LeftToRight;
QBoxLayout *slidersLayout = new QBoxLayout(direction);
slidersLayout->addWidget(slider);
slidersLayout->addWidget(scrollBar);
slidersLayout->addWidget(dial);
setLayout(slidersLayout);
}
//! [4]
//! [5]
void SlidersGroup::setValue(int value)
//! [5] //! [6]
{
slider->setValue(value);
}
//! [6]
//! [7]
void SlidersGroup::setMinimum(int value)
//! [7] //! [8]
{
slider->setMinimum(value);
scrollBar->setMinimum(value);
dial->setMinimum(value);
}
//! [8]
//! [9]
void SlidersGroup::setMaximum(int value)
//! [9] //! [10]
{
slider->setMaximum(value);
scrollBar->setMaximum(value);
dial->setMaximum(value);
}
//! [10]
//! [11]
void SlidersGroup::invertAppearance(bool invert)
//! [11] //! [12]
{
slider->setInvertedAppearance(invert);
scrollBar->setInvertedAppearance(invert);
dial->setInvertedAppearance(invert);
}
//! [12]
//! [13]
void SlidersGroup::invertKeyBindings(bool invert)
//! [13] //! [14]
{
slider->setInvertedControls(invert);
scrollBar->setInvertedControls(invert);
dial->setInvertedControls(invert);
}
//! [14]