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50
51#include <QtWidgets>
52
53#include "dialog.h"
54
55//! [0]
56Dialog::Dialog()
57{
58 createMenu();
59 createHorizontalGroupBox();
60 createGridGroupBox();
61 createFormGroupBox();
62//! [0]
63
64//! [1]
65 bigEditor = new QTextEdit;
66 bigEditor->setPlainText(tr(s: "This widget takes up all the remaining space "
67 "in the top-level layout."));
68
69 buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
70 | QDialogButtonBox::Cancel);
71
72 connect(sender: buttonBox, signal: &QDialogButtonBox::accepted, receiver: this, slot: &QDialog::accept);
73 connect(sender: buttonBox, signal: &QDialogButtonBox::rejected, receiver: this, slot: &QDialog::reject);
74//! [1]
75
76//! [2]
77 QVBoxLayout *mainLayout = new QVBoxLayout;
78//! [2] //! [3]
79 mainLayout->setMenuBar(menuBar);
80//! [3] //! [4]
81 mainLayout->addWidget(horizontalGroupBox);
82 mainLayout->addWidget(gridGroupBox);
83 mainLayout->addWidget(formGroupBox);
84 mainLayout->addWidget(bigEditor);
85 mainLayout->addWidget(buttonBox);
86//! [4] //! [5]
87 setLayout(mainLayout);
88
89 setWindowTitle(tr(s: "Basic Layouts"));
90}
91//! [5]
92
93//! [6]
94void Dialog::createMenu()
95{
96 menuBar = new QMenuBar;
97
98 fileMenu = new QMenu(tr(s: "&File"), this);
99 exitAction = fileMenu->addAction(text: tr(s: "E&xit"));
100 menuBar->addMenu(menu: fileMenu);
101
102 connect(sender: exitAction, signal: &QAction::triggered, receiver: this, slot: &QDialog::accept);
103}
104//! [6]
105
106//! [7]
107void Dialog::createHorizontalGroupBox()
108{
109 horizontalGroupBox = new QGroupBox(tr(s: "Horizontal layout"));
110 QHBoxLayout *layout = new QHBoxLayout;
111
112 for (int i = 0; i < NumButtons; ++i) {
113 buttons[i] = new QPushButton(tr(s: "Button %1").arg(a: i + 1));
114 layout->addWidget(buttons[i]);
115 }
116 horizontalGroupBox->setLayout(layout);
117}
118//! [7]
119
120//! [8]
121void Dialog::createGridGroupBox()
122{
123 gridGroupBox = new QGroupBox(tr(s: "Grid layout"));
124//! [8]
125 QGridLayout *layout = new QGridLayout;
126
127//! [9]
128 for (int i = 0; i < NumGridRows; ++i) {
129 labels[i] = new QLabel(tr(s: "Line %1:").arg(a: i + 1));
130 lineEdits[i] = new QLineEdit;
131 layout->addWidget(labels[i], row: i + 1, column: 0);
132 layout->addWidget(lineEdits[i], row: i + 1, column: 1);
133 }
134
135//! [9] //! [10]
136 smallEditor = new QTextEdit;
137 smallEditor->setPlainText(tr(s: "This widget takes up about two thirds of the "
138 "grid layout."));
139 layout->addWidget(smallEditor, row: 0, column: 2, rowSpan: 4, columnSpan: 1);
140//! [10]
141
142//! [11]
143 layout->setColumnStretch(column: 1, stretch: 10);
144 layout->setColumnStretch(column: 2, stretch: 20);
145 gridGroupBox->setLayout(layout);
146}
147//! [11]
148
149//! [12]
150void Dialog::createFormGroupBox()
151{
152 formGroupBox = new QGroupBox(tr(s: "Form layout"));
153 QFormLayout *layout = new QFormLayout;
154 layout->addRow(label: new QLabel(tr(s: "Line 1:")), field: new QLineEdit);
155 layout->addRow(label: new QLabel(tr(s: "Line 2, long text:")), field: new QComboBox);
156 layout->addRow(label: new QLabel(tr(s: "Line 3:")), field: new QSpinBox);
157 formGroupBox->setLayout(layout);
158}
159//! [12]
160

source code of qtbase/examples/widgets/layouts/basiclayouts/dialog.cpp