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**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
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**
** This file is part of the demonstration applications of the Qt Toolkit.
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#include "mainwindow.h"
#include "colorswatch.h"
#include "toolbar.h"
#include <QAction>
#include <QLayout>
#include <QMenu>
#include <QMenuBar>
#include <QStatusBar>
#include <QTextEdit>
#include <QFile>
#include <QDataStream>
#include <QFileDialog>
#include <QMessageBox>
#include <QSignalMapper>
#include <QApplication>
#include <QPainter>
#include <QMouseEvent>
#include <QLineEdit>
#include <QComboBox>
#include <QLabel>
#include <QPushButton>
#include <qdebug.h>
static const char * const message =
"<p><b>Qt Main Window Demo</b></p>"
"<p>This is a demonstration of the QMainWindow, QToolBar and "
"QDockWidget classes.</p>"
"<p>The tool bar and dock widgets can be dragged around and rearranged "
"using the mouse or via the menu.</p>"
"<p>Each dock widget contains a colored frame and a context "
"(right-click) menu.</p>"
#ifdef Q_WS_MAC
"<p>On Mac OS X, the \"Black\" dock widget has been created as a "
"<em>Drawer</em>, which is a special kind of QDockWidget.</p>"
#endif
;
MainWindow::MainWindow(const QMap<QString, QSize> &customSizeHints,
QWidget *parent, Qt::WindowFlags flags)
: QMainWindow(parent, flags)
{
setObjectName("MainWindow");
setWindowTitle("Qt Main Window Demo");
center = new QTextEdit(this);
center->setReadOnly(true);
center->setMinimumSize(400, 205);
setCentralWidget(center);
setupToolBar();
setupMenuBar();
setupDockWidgets(customSizeHints);
statusBar()->showMessage(tr("Status Bar"));
}
void MainWindow::actionTriggered(QAction *action)
{
qDebug("action '%s' triggered", action->text().toLocal8Bit().data());
}
void MainWindow::setupToolBar()
{
for (int i = 0; i < 3; ++i) {
ToolBar *tb = new ToolBar(QString::fromLatin1("Tool Bar %1").arg(i + 1), this);
toolBars.append(tb);
addToolBar(tb);
}
}
void MainWindow::setupMenuBar()
{
QMenu *menu = menuBar()->addMenu(tr("&File"));
QAction *action = menu->addAction(tr("Save layout..."));
connect(action, SIGNAL(triggered()), this, SLOT(saveLayout()));
action = menu->addAction(tr("Load layout..."));
connect(action, SIGNAL(triggered()), this, SLOT(loadLayout()));
action = menu->addAction(tr("Switch layout direction"));
connect(action, SIGNAL(triggered()), this, SLOT(switchLayoutDirection()));
menu->addSeparator();
menu->addAction(tr("&Quit"), this, SLOT(close()));
mainWindowMenu = menuBar()->addMenu(tr("Main window"));
action = mainWindowMenu->addAction(tr("Animated docks"));
action->setCheckable(true);
action->setChecked(dockOptions() & AnimatedDocks);
connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
action = mainWindowMenu->addAction(tr("Allow nested docks"));
action->setCheckable(true);
action->setChecked(dockOptions() & AllowNestedDocks);
connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
action = mainWindowMenu->addAction(tr("Allow tabbed docks"));
action->setCheckable(true);
action->setChecked(dockOptions() & AllowTabbedDocks);
connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
action = mainWindowMenu->addAction(tr("Force tabbed docks"));
action->setCheckable(true);
action->setChecked(dockOptions() & ForceTabbedDocks);
connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
action = mainWindowMenu->addAction(tr("Vertical tabs"));
action->setCheckable(true);
action->setChecked(dockOptions() & VerticalTabs);
connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
QMenu *toolBarMenu = menuBar()->addMenu(tr("Tool bars"));
for (int i = 0; i < toolBars.count(); ++i)
toolBarMenu->addMenu(toolBars.at(i)->menu);
dockWidgetMenu = menuBar()->addMenu(tr("&Dock Widgets"));
}
void MainWindow::setDockOptions()
{
DockOptions opts;
QList<QAction*> actions = mainWindowMenu->actions();
if (actions.at(0)->isChecked())
opts |= AnimatedDocks;
if (actions.at(1)->isChecked())
opts |= AllowNestedDocks;
if (actions.at(2)->isChecked())
opts |= AllowTabbedDocks;
if (actions.at(3)->isChecked())
opts |= ForceTabbedDocks;
if (actions.at(4)->isChecked())
opts |= VerticalTabs;
QMainWindow::setDockOptions(opts);
}
void MainWindow::saveLayout()
{
QString fileName
= QFileDialog::getSaveFileName(this, tr("Save layout"));
if (fileName.isEmpty())
return;
QFile file(fileName);
if (!file.open(QFile::WriteOnly)) {
QString msg = tr("Failed to open %1\n%2")
.arg(fileName)
.arg(file.errorString());
QMessageBox::warning(this, tr("Error"), msg);
return;
}
QByteArray geo_data = saveGeometry();
QByteArray layout_data = saveState();
bool ok = file.putChar((uchar)geo_data.size());
if (ok)
ok = file.write(geo_data) == geo_data.size();
if (ok)
ok = file.write(layout_data) == layout_data.size();
if (!ok) {
QString msg = tr("Error writing to %1\n%2")
.arg(fileName)
.arg(file.errorString());
QMessageBox::warning(this, tr("Error"), msg);
return;
}
}
void MainWindow::loadLayout()
{
QString fileName
= QFileDialog::getOpenFileName(this, tr("Load layout"));
if (fileName.isEmpty())
return;
QFile file(fileName);
if (!file.open(QFile::ReadOnly)) {
QString msg = tr("Failed to open %1\n%2")
.arg(fileName)
.arg(file.errorString());
QMessageBox::warning(this, tr("Error"), msg);
return;
}
uchar geo_size;
QByteArray geo_data;
QByteArray layout_data;
bool ok = file.getChar((char*)&geo_size);
if (ok) {
geo_data = file.read(geo_size);
ok = geo_data.size() == geo_size;
}
if (ok) {
layout_data = file.readAll();
ok = layout_data.size() > 0;
}
if (ok)
ok = restoreGeometry(geo_data);
if (ok)
ok = restoreState(layout_data);
if (!ok) {
QString msg = tr("Error reading %1")
.arg(fileName);
QMessageBox::warning(this, tr("Error"), msg);
return;
}
}
QAction *addAction(QMenu *menu, const QString &text, QActionGroup *group, QSignalMapper *mapper,
int id)
{
bool first = group->actions().isEmpty();
QAction *result = menu->addAction(text);
result->setCheckable(true);
result->setChecked(first);
group->addAction(result);
QObject::connect(result, SIGNAL(triggered()), mapper, SLOT(map()));
mapper->setMapping(result, id);
return result;
}
void MainWindow::setupDockWidgets(const QMap<QString, QSize> &customSizeHints)
{
mapper = new QSignalMapper(this);
connect(mapper, SIGNAL(mapped(int)), this, SLOT(setCorner(int)));
QMenu *corner_menu = dockWidgetMenu->addMenu(tr("Top left corner"));
QActionGroup *group = new QActionGroup(this);
group->setExclusive(true);
::addAction(corner_menu, tr("Top dock area"), group, mapper, 0);
::addAction(corner_menu, tr("Left dock area"), group, mapper, 1);
corner_menu = dockWidgetMenu->addMenu(tr("Top right corner"));
group = new QActionGroup(this);
group->setExclusive(true);
::addAction(corner_menu, tr("Top dock area"), group, mapper, 2);
::addAction(corner_menu, tr("Right dock area"), group, mapper, 3);
corner_menu = dockWidgetMenu->addMenu(tr("Bottom left corner"));
group = new QActionGroup(this);
group->setExclusive(true);
::addAction(corner_menu, tr("Bottom dock area"), group, mapper, 4);
::addAction(corner_menu, tr("Left dock area"), group, mapper, 5);
corner_menu = dockWidgetMenu->addMenu(tr("Bottom right corner"));
group = new QActionGroup(this);
group->setExclusive(true);
::addAction(corner_menu, tr("Bottom dock area"), group, mapper, 6);
::addAction(corner_menu, tr("Right dock area"), group, mapper, 7);
dockWidgetMenu->addSeparator();
static const struct Set {
const char * name;
uint flags;
Qt::DockWidgetArea area;
} sets [] = {
#ifndef Q_WS_MAC
{ "Black", 0, Qt::LeftDockWidgetArea },
#else
{ "Black", Qt::Drawer, Qt::LeftDockWidgetArea },
#endif
{ "White", 0, Qt::RightDockWidgetArea },
{ "Red", 0, Qt::TopDockWidgetArea },
{ "Green", 0, Qt::TopDockWidgetArea },
{ "Blue", 0, Qt::BottomDockWidgetArea },
{ "Yellow", 0, Qt::BottomDockWidgetArea }
};
const int setCount = sizeof(sets) / sizeof(Set);
for (int i = 0; i < setCount; ++i) {
ColorSwatch *swatch = new ColorSwatch(tr(sets[i].name), this, Qt::WindowFlags(sets[i].flags));
if (i%2)
swatch->setWindowIcon(QIcon(QPixmap(":/res/qt.png")));
if (qstrcmp(sets[i].name, "Blue") == 0) {
BlueTitleBar *titlebar = new BlueTitleBar(swatch);
swatch->setTitleBarWidget(titlebar);
connect(swatch, SIGNAL(topLevelChanged(bool)), titlebar, SLOT(updateMask()));
connect(swatch, SIGNAL(featuresChanged(QDockWidget::DockWidgetFeatures)), titlebar, SLOT(updateMask()));
#ifdef Q_WS_QWS
QPalette pal = palette();
pal.setBrush(backgroundRole(), QColor(0,0,0,0));
swatch->setPalette(pal);
#endif
}
QString name = QString::fromLatin1(sets[i].name);
if (customSizeHints.contains(name))
swatch->setCustomSizeHint(customSizeHints.value(name));
addDockWidget(sets[i].area, swatch);
dockWidgetMenu->addMenu(swatch->menu);
}
createDockWidgetAction = new QAction(tr("Add dock widget..."), this);
connect(createDockWidgetAction, SIGNAL(triggered()), this, SLOT(createDockWidget()));
destroyDockWidgetMenu = new QMenu(tr("Destroy dock widget"), this);
destroyDockWidgetMenu->setEnabled(false);
connect(destroyDockWidgetMenu, SIGNAL(triggered(QAction*)), this, SLOT(destroyDockWidget(QAction*)));
dockWidgetMenu->addSeparator();
dockWidgetMenu->addAction(createDockWidgetAction);
dockWidgetMenu->addMenu(destroyDockWidgetMenu);
}
void MainWindow::setCorner(int id)
{
switch (id) {
case 0:
QMainWindow::setCorner(Qt::TopLeftCorner, Qt::TopDockWidgetArea);
break;
case 1:
QMainWindow::setCorner(Qt::TopLeftCorner, Qt::LeftDockWidgetArea);
break;
case 2:
QMainWindow::setCorner(Qt::TopRightCorner, Qt::TopDockWidgetArea);
break;
case 3:
QMainWindow::setCorner(Qt::TopRightCorner, Qt::RightDockWidgetArea);
break;
case 4:
QMainWindow::setCorner(Qt::BottomLeftCorner, Qt::BottomDockWidgetArea);
break;
case 5:
QMainWindow::setCorner(Qt::BottomLeftCorner, Qt::LeftDockWidgetArea);
break;
case 6:
QMainWindow::setCorner(Qt::BottomRightCorner, Qt::BottomDockWidgetArea);
break;
case 7:
QMainWindow::setCorner(Qt::BottomRightCorner, Qt::RightDockWidgetArea);
break;
}
}
void MainWindow::showEvent(QShowEvent *event)
{
QMainWindow::showEvent(event);
}
void MainWindow::switchLayoutDirection()
{
if (layoutDirection() == Qt::LeftToRight)
qApp->setLayoutDirection(Qt::RightToLeft);
else
qApp->setLayoutDirection(Qt::LeftToRight);
}
class CreateDockWidgetDialog : public QDialog
{
public:
CreateDockWidgetDialog(QWidget *parent = 0);
QString objectName() const;
Qt::DockWidgetArea location() const;
private:
QLineEdit *m_objectName;
QComboBox *m_location;
};
CreateDockWidgetDialog::CreateDockWidgetDialog(QWidget *parent)
: QDialog(parent)
{
QGridLayout *layout = new QGridLayout(this);
layout->addWidget(new QLabel(tr("Object name:")), 0, 0);
m_objectName = new QLineEdit;
layout->addWidget(m_objectName, 0, 1);
layout->addWidget(new QLabel(tr("Location:")), 1, 0);
m_location = new QComboBox;
m_location->setEditable(false);
m_location->addItem(tr("Top"));
m_location->addItem(tr("Left"));
m_location->addItem(tr("Right"));
m_location->addItem(tr("Bottom"));
m_location->addItem(tr("Restore"));
layout->addWidget(m_location, 1, 1);
QHBoxLayout *buttonLayout = new QHBoxLayout;
layout->addLayout(buttonLayout, 2, 0, 1, 2);
buttonLayout->addStretch();
QPushButton *cancelButton = new QPushButton(tr("Cancel"));
connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));
buttonLayout->addWidget(cancelButton);
QPushButton *okButton = new QPushButton(tr("Ok"));
connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));
buttonLayout->addWidget(okButton);
okButton->setDefault(true);
}
QString CreateDockWidgetDialog::objectName() const
{
return m_objectName->text();
}
Qt::DockWidgetArea CreateDockWidgetDialog::location() const
{
switch (m_location->currentIndex()) {
case 0: return Qt::TopDockWidgetArea;
case 1: return Qt::LeftDockWidgetArea;
case 2: return Qt::RightDockWidgetArea;
case 3: return Qt::BottomDockWidgetArea;
default:
break;
}
return Qt::NoDockWidgetArea;
}
void MainWindow::createDockWidget()
{
CreateDockWidgetDialog dialog(this);
int ret = dialog.exec();
if (ret == QDialog::Rejected)
return;
QDockWidget *dw = new QDockWidget;
dw->setObjectName(dialog.objectName());
dw->setWindowTitle(dialog.objectName());
dw->setWidget(new QTextEdit);
Qt::DockWidgetArea area = dialog.location();
switch (area) {
case Qt::LeftDockWidgetArea:
case Qt::RightDockWidgetArea:
case Qt::TopDockWidgetArea:
case Qt::BottomDockWidgetArea:
addDockWidget(area, dw);
break;
default:
if (!restoreDockWidget(dw)) {
QMessageBox::warning(this, QString(), tr("Failed to restore dock widget"));
delete dw;
return;
}
break;
}
extraDockWidgets.append(dw);
destroyDockWidgetMenu->setEnabled(true);
destroyDockWidgetMenu->addAction(new QAction(dialog.objectName(), this));
}
void MainWindow::destroyDockWidget(QAction *action)
{
int index = destroyDockWidgetMenu->actions().indexOf(action);
delete extraDockWidgets.takeAt(index);
destroyDockWidgetMenu->removeAction(action);
action->deleteLater();
if (destroyDockWidgetMenu->isEmpty())
destroyDockWidgetMenu->setEnabled(false);
}</pre>
<p /><address><hr /><div align="center">
<table width="100%" cellspacing="0" border="0"><tr class="address">
<td width="40%" align="left">Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies)</td>
<td width="20%" align="center"><a href="trademarks.html">Trademarks</a></td>
<td width="40%" align="right"><div align="right">Qt 4.6.3</div></td>
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