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#ifndef DIALOG_H
#define DIALOG_H
#include <QDialog>
QT_BEGIN_NAMESPACE
class QAction;
class QDialogButtonBox;
class QGroupBox;
class QLabel;
class QLineEdit;
class QMenu;
class QMenuBar;
class QPushButton;
class QTextEdit;
QT_END_NAMESPACE
class Dialog : public QDialog
{
Q_OBJECT
public:
Dialog();
private:
void createMenu();
void createHorizontalGroupBox();
void createGridGroupBox();
void createFormGroupBox();
enum { NumGridRows = 3, NumButtons = 4 };
QMenuBar *menuBar;
QGroupBox *horizontalGroupBox;
QGroupBox *gridGroupBox;
QGroupBox *formGroupBox;
QTextEdit *smallEditor;
QTextEdit *bigEditor;
QLabel *labels[NumGridRows];
QLineEdit *lineEdits[NumGridRows];
QPushButton *buttons[NumButtons];
QDialogButtonBox *buttonBox;
QMenu *fileMenu;
QAction *exitAction;
};
#endif
#include <QtGui>
#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);
}
#include <QApplication>
#include "dialog.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Dialog dialog;
return dialog.exec();
}
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