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50
51#include "slidersgroup.h"
52
53#include <QBoxLayout>
54#include <QDial>
55#include <QScrollBar>
56#include <QSlider>
57
58//! [0]
59SlidersGroup::SlidersGroup(Qt::Orientation orientation, const QString &title,
60 QWidget *parent)
61 : QGroupBox(title, parent)
62{
63 slider = new QSlider(orientation);
64 slider->setFocusPolicy(Qt::StrongFocus);
65 slider->setTickPosition(QSlider::TicksBothSides);
66 slider->setTickInterval(10);
67 slider->setSingleStep(1);
68
69 scrollBar = new QScrollBar(orientation);
70 scrollBar->setFocusPolicy(Qt::StrongFocus);
71
72 dial = new QDial;
73 dial->setFocusPolicy(Qt::StrongFocus);
74
75 connect(sender: slider, signal: &QSlider::valueChanged, receiver: scrollBar, slot: &QScrollBar::setValue);
76 connect(sender: scrollBar, signal: &QScrollBar::valueChanged, receiver: dial, slot: &QDial::setValue);
77 connect(sender: dial, signal: &QDial::valueChanged, receiver: slider, slot: &QSlider::setValue);
78//! [0] //! [1]
79 connect(sender: dial, signal: &QDial::valueChanged, receiver: this, slot: &SlidersGroup::valueChanged);
80//! [1] //! [2]
81
82//! [2] //! [3]
83 QBoxLayout::Direction direction;
84//! [3] //! [4]
85
86 if (orientation == Qt::Horizontal)
87 direction = QBoxLayout::TopToBottom;
88 else
89 direction = QBoxLayout::LeftToRight;
90
91 QBoxLayout *slidersLayout = new QBoxLayout(direction);
92 slidersLayout->addWidget(slider);
93 slidersLayout->addWidget(scrollBar);
94 slidersLayout->addWidget(dial);
95 setLayout(slidersLayout);
96}
97//! [4]
98
99//! [5]
100void SlidersGroup::setValue(int value)
101//! [5] //! [6]
102{
103 slider->setValue(value);
104}
105//! [6]
106
107//! [7]
108void SlidersGroup::setMinimum(int value)
109//! [7] //! [8]
110{
111 slider->setMinimum(value);
112 scrollBar->setMinimum(value);
113 dial->setMinimum(value);
114}
115//! [8]
116
117//! [9]
118void SlidersGroup::setMaximum(int value)
119//! [9] //! [10]
120{
121 slider->setMaximum(value);
122 scrollBar->setMaximum(value);
123 dial->setMaximum(value);
124}
125//! [10]
126
127//! [11]
128void SlidersGroup::invertAppearance(bool invert)
129//! [11] //! [12]
130{
131 slider->setInvertedAppearance(invert);
132 scrollBar->setInvertedAppearance(invert);
133 dial->setInvertedAppearance(invert);
134}
135//! [12]
136
137//! [13]
138void SlidersGroup::invertKeyBindings(bool invert)
139//! [13] //! [14]
140{
141 slider->setInvertedControls(invert);
142 scrollBar->setInvertedControls(invert);
143 dial->setInvertedControls(invert);
144}
145//! [14]
146

source code of qtbase/examples/widgets/widgets/sliders/slidersgroup.cpp