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50
51#include "slidersgroup.h"
52#include "window.h"
53
54#include <QCheckBox>
55#include <QComboBox>
56#include <QHBoxLayout>
57#include <QLabel>
58#include <QSpinBox>
59#include <QStackedWidget>
60
61//! [0]
62Window::Window(QWidget *parent)
63 : QWidget(parent)
64{
65 horizontalSliders = new SlidersGroup(Qt::Horizontal, tr(s: "Horizontal"));
66 verticalSliders = new SlidersGroup(Qt::Vertical, tr(s: "Vertical"));
67
68 stackedWidget = new QStackedWidget;
69 stackedWidget->addWidget(w: horizontalSliders);
70 stackedWidget->addWidget(w: verticalSliders);
71
72 createControls(title: tr(s: "Controls"));
73//! [0]
74
75//! [1]
76 connect(sender: horizontalSliders, signal: &SlidersGroup::valueChanged,
77//! [1] //! [2]
78 receiver: verticalSliders, slot: &SlidersGroup::setValue);
79 connect(sender: verticalSliders, signal: &SlidersGroup::valueChanged,
80 receiver: valueSpinBox, slot: &QSpinBox::setValue);
81 connect(sender: valueSpinBox, signal: QOverload<int>::of(ptr: &QSpinBox::valueChanged),
82 receiver: horizontalSliders, slot: &SlidersGroup::setValue);
83
84 QHBoxLayout *layout = new QHBoxLayout;
85 layout->addWidget(controlsGroup);
86 layout->addWidget(stackedWidget);
87 setLayout(layout);
88
89 minimumSpinBox->setValue(0);
90 maximumSpinBox->setValue(20);
91 valueSpinBox->setValue(5);
92
93 setWindowTitle(tr(s: "Sliders"));
94}
95//! [2]
96
97//! [3]
98void Window::createControls(const QString &title)
99//! [3] //! [4]
100{
101 controlsGroup = new QGroupBox(title);
102
103 minimumLabel = new QLabel(tr(s: "Minimum value:"));
104 maximumLabel = new QLabel(tr(s: "Maximum value:"));
105 valueLabel = new QLabel(tr(s: "Current value:"));
106
107 invertedAppearance = new QCheckBox(tr(s: "Inverted appearance"));
108 invertedKeyBindings = new QCheckBox(tr(s: "Inverted key bindings"));
109
110//! [4] //! [5]
111 minimumSpinBox = new QSpinBox;
112//! [5] //! [6]
113 minimumSpinBox->setRange(min: -100, max: 100);
114 minimumSpinBox->setSingleStep(1);
115
116 maximumSpinBox = new QSpinBox;
117 maximumSpinBox->setRange(min: -100, max: 100);
118 maximumSpinBox->setSingleStep(1);
119
120 valueSpinBox = new QSpinBox;
121 valueSpinBox->setRange(min: -100, max: 100);
122 valueSpinBox->setSingleStep(1);
123
124 orientationCombo = new QComboBox;
125 orientationCombo->addItem(atext: tr(s: "Horizontal slider-like widgets"));
126 orientationCombo->addItem(atext: tr(s: "Vertical slider-like widgets"));
127
128//! [6] //! [7]
129 connect(sender: orientationCombo, signal: QOverload<int>::of(ptr: &QComboBox::activated),
130//! [7] //! [8]
131 receiver: stackedWidget, slot: &QStackedWidget::setCurrentIndex);
132 connect(sender: minimumSpinBox, signal: QOverload<int>::of(ptr: &QSpinBox::valueChanged),
133 receiver: horizontalSliders, slot: &SlidersGroup::setMinimum);
134 connect(sender: minimumSpinBox, signal: QOverload<int>::of(ptr: &QSpinBox::valueChanged),
135 receiver: verticalSliders, slot: &SlidersGroup::setMinimum);
136 connect(sender: maximumSpinBox, signal: QOverload<int>::of(ptr: &QSpinBox::valueChanged),
137 receiver: horizontalSliders, slot: &SlidersGroup::setMaximum);
138 connect(sender: maximumSpinBox, signal: QOverload<int>::of(ptr: &QSpinBox::valueChanged),
139 receiver: verticalSliders, slot: &SlidersGroup::setMaximum);
140 connect(sender: invertedAppearance, signal: &QCheckBox::toggled,
141 receiver: horizontalSliders, slot: &SlidersGroup::invertAppearance);
142 connect(sender: invertedAppearance, signal: &QCheckBox::toggled,
143 receiver: verticalSliders, slot: &SlidersGroup::invertAppearance);
144 connect(sender: invertedKeyBindings, signal: &QCheckBox::toggled,
145 receiver: horizontalSliders, slot: &SlidersGroup::invertKeyBindings);
146 connect(sender: invertedKeyBindings, signal: &QCheckBox::toggled,
147 receiver: verticalSliders, slot: &SlidersGroup::invertKeyBindings);
148
149 QGridLayout *controlsLayout = new QGridLayout;
150 controlsLayout->addWidget(minimumLabel, row: 0, column: 0);
151 controlsLayout->addWidget(maximumLabel, row: 1, column: 0);
152 controlsLayout->addWidget(valueLabel, row: 2, column: 0);
153 controlsLayout->addWidget(minimumSpinBox, row: 0, column: 1);
154 controlsLayout->addWidget(maximumSpinBox, row: 1, column: 1);
155 controlsLayout->addWidget(valueSpinBox, row: 2, column: 1);
156 controlsLayout->addWidget(invertedAppearance, row: 0, column: 2);
157 controlsLayout->addWidget(invertedKeyBindings, row: 1, column: 2);
158 controlsLayout->addWidget(orientationCombo, row: 3, column: 0, rowSpan: 1, columnSpan: 3);
159 controlsGroup->setLayout(controlsLayout);
160}
161//! [8]
162

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