dialog.cpp Example File
layouts/basiclayouts/dialog.cpp
/****************************************************************************
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** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
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** This file is part of the documentation of the Qt Toolkit.
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#include <QtGui>
#include "dialog.h"
Dialog::Dialog()
{
createMenu();
createHorizontalGroupBox();
createGridGroupBox();
bigEditor = new QTextEdit;
bigEditor->setPlainText(tr("This widget takes up all the remaining space "
"in the top-level layout."));
okButton = new QPushButton(tr("OK"));
cancelButton = new QPushButton(tr("Cancel"));
okButton->setDefault(true);
connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));
connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));
QHBoxLayout *buttonLayout = new QHBoxLayout;
buttonLayout->addStretch(1);
buttonLayout->addWidget(okButton);
buttonLayout->addWidget(cancelButton);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->setMenuBar(menuBar);
mainLayout->addWidget(horizontalGroupBox);
mainLayout->addWidget(gridGroupBox);
mainLayout->addWidget(bigEditor);
mainLayout->addLayout(buttonLayout);
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);
}