dialog.cpp Example File

layouts/basiclayouts/dialog.cpp
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#include <QtWidgets> #include "dialog.h" Dialog::Dialog() { createMenu(); createHorizontalGroupBox(); createGridGroupBox(); createFormGroupBox(); bigEditor = new QTextEdit; bigEditor->setPlainText(tr("This widget takes up all the remaining space " "in the top-level layout.")); buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel); connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept())); connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject())); QVBoxLayout *mainLayout = new QVBoxLayout; mainLayout->setMenuBar(menuBar); mainLayout->addWidget(horizontalGroupBox); mainLayout->addWidget(gridGroupBox); mainLayout->addWidget(formGroupBox); mainLayout->addWidget(bigEditor); mainLayout->addWidget(buttonBox); setLayout(mainLayout); setWindowTitle(tr("Basic Layouts")); } void Dialog::createMenu() { menuBar = new QMenuBar; fileMenu = new QMenu(tr("&File"), this); exitAction = fileMenu->addAction(tr("E&xit")); menuBar->addMenu(fileMenu); connect(exitAction, SIGNAL(triggered()), this, SLOT(accept())); } void Dialog::createHorizontalGroupBox() { horizontalGroupBox = new QGroupBox(tr("Horizontal layout")); QHBoxLayout *layout = new QHBoxLayout; for (int i = 0; i < NumButtons; ++i) { buttons[i] = new QPushButton(tr("Button %1").arg(i + 1)); layout->addWidget(buttons[i]); } horizontalGroupBox->setLayout(layout); } void Dialog::createGridGroupBox() { gridGroupBox = new QGroupBox(tr("Grid layout")); QGridLayout *layout = new QGridLayout; for (int i = 0; i < NumGridRows; ++i) { labels[i] = new QLabel(tr("Line %1:").arg(i + 1)); lineEdits[i] = new QLineEdit; layout->addWidget(labels[i], i + 1, 0); layout->addWidget(lineEdits[i], i + 1, 1); } smallEditor = new QTextEdit; smallEditor->setPlainText(tr("This widget takes up about two thirds of the " "grid layout.")); layout->addWidget(smallEditor, 0, 2, 4, 1); layout->setColumnStretch(1, 10); layout->setColumnStretch(2, 20); gridGroupBox->setLayout(layout); } void Dialog::createFormGroupBox() { formGroupBox = new QGroupBox(tr("Form layout")); QFormLayout *layout = new QFormLayout; layout->addRow(new QLabel(tr("Line 1:")), new QLineEdit); layout->addRow(new QLabel(tr("Line 2, long text:")), new QComboBox); layout->addRow(new QLabel(tr("Line 3:")), new QSpinBox); formGroupBox->setLayout(layout); }