38be0d1383
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
515 lines
16 KiB
C++
515 lines
16 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "mainwindow.h"
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#include "colorswatch.h"
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#include "toolbar.h"
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#include <QAction>
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#include <QLayout>
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#include <QMenu>
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#include <QMenuBar>
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#include <QStatusBar>
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#include <QTextEdit>
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#include <QFile>
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#include <QDataStream>
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#include <QFileDialog>
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#include <QMessageBox>
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#include <QSignalMapper>
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#include <QApplication>
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#include <QPainter>
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#include <QMouseEvent>
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#include <QLineEdit>
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#include <QComboBox>
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#include <QLabel>
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#include <QPushButton>
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#include <qdebug.h>
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static const char * const message =
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"<p><b>Qt Main Window Demo</b></p>"
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"<p>This is a demonstration of the QMainWindow, QToolBar and "
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"QDockWidget classes.</p>"
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"<p>The tool bar and dock widgets can be dragged around and rearranged "
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"using the mouse or via the menu.</p>"
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"<p>Each dock widget contains a colored frame and a context "
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"(right-click) menu.</p>"
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#ifdef Q_WS_MAC
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"<p>On Mac OS X, the \"Black\" dock widget has been created as a "
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"<em>Drawer</em>, which is a special kind of QDockWidget.</p>"
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#endif
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;
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Q_DECLARE_METATYPE(QDockWidget::DockWidgetFeatures)
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MainWindow::MainWindow(const QMap<QString, QSize> &customSizeHints,
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QWidget *parent, Qt::WindowFlags flags)
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: QMainWindow(parent, flags)
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{
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setObjectName("MainWindow");
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setWindowTitle("Qt Main Window Demo");
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center = new QTextEdit(this);
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center->setReadOnly(true);
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center->setMinimumSize(400, 205);
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setCentralWidget(center);
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setupToolBar();
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setupMenuBar();
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setupDockWidgets(customSizeHints);
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statusBar()->showMessage(tr("Status Bar"));
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}
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void MainWindow::actionTriggered(QAction *action)
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{
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qDebug("action '%s' triggered", action->text().toLocal8Bit().data());
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}
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void MainWindow::setupToolBar()
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{
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for (int i = 0; i < 3; ++i) {
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ToolBar *tb = new ToolBar(QString::fromLatin1("Tool Bar %1").arg(i + 1), this);
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toolBars.append(tb);
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addToolBar(tb);
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}
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}
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void MainWindow::setupMenuBar()
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{
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QMenu *menu = menuBar()->addMenu(tr("&File"));
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QAction *action = menu->addAction(tr("Save layout..."));
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connect(action, SIGNAL(triggered()), this, SLOT(saveLayout()));
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action = menu->addAction(tr("Load layout..."));
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connect(action, SIGNAL(triggered()), this, SLOT(loadLayout()));
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action = menu->addAction(tr("Switch layout direction"));
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connect(action, SIGNAL(triggered()), this, SLOT(switchLayoutDirection()));
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menu->addSeparator();
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menu->addAction(tr("&Quit"), this, SLOT(close()));
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mainWindowMenu = menuBar()->addMenu(tr("Main window"));
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action = mainWindowMenu->addAction(tr("Animated docks"));
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action->setCheckable(true);
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action->setChecked(dockOptions() & AnimatedDocks);
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connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
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action = mainWindowMenu->addAction(tr("Allow nested docks"));
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action->setCheckable(true);
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action->setChecked(dockOptions() & AllowNestedDocks);
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connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
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action = mainWindowMenu->addAction(tr("Allow tabbed docks"));
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action->setCheckable(true);
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action->setChecked(dockOptions() & AllowTabbedDocks);
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connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
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action = mainWindowMenu->addAction(tr("Force tabbed docks"));
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action->setCheckable(true);
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action->setChecked(dockOptions() & ForceTabbedDocks);
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connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
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action = mainWindowMenu->addAction(tr("Vertical tabs"));
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action->setCheckable(true);
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action->setChecked(dockOptions() & VerticalTabs);
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connect(action, SIGNAL(toggled(bool)), this, SLOT(setDockOptions()));
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QMenu *toolBarMenu = menuBar()->addMenu(tr("Tool bars"));
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for (int i = 0; i < toolBars.count(); ++i)
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toolBarMenu->addMenu(toolBars.at(i)->menu);
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dockWidgetMenu = menuBar()->addMenu(tr("&Dock Widgets"));
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}
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void MainWindow::setDockOptions()
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{
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DockOptions opts;
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QList<QAction*> actions = mainWindowMenu->actions();
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if (actions.at(0)->isChecked())
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opts |= AnimatedDocks;
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if (actions.at(1)->isChecked())
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opts |= AllowNestedDocks;
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if (actions.at(2)->isChecked())
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opts |= AllowTabbedDocks;
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if (actions.at(3)->isChecked())
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opts |= ForceTabbedDocks;
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if (actions.at(4)->isChecked())
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opts |= VerticalTabs;
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QMainWindow::setDockOptions(opts);
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}
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void MainWindow::saveLayout()
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{
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QString fileName
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= QFileDialog::getSaveFileName(this, tr("Save layout"));
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if (fileName.isEmpty())
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return;
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QFile file(fileName);
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if (!file.open(QFile::WriteOnly)) {
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QString msg = tr("Failed to open %1\n%2")
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.arg(fileName)
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.arg(file.errorString());
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QMessageBox::warning(this, tr("Error"), msg);
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return;
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}
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QByteArray geo_data = saveGeometry();
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QByteArray layout_data = saveState();
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bool ok = file.putChar((uchar)geo_data.size());
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if (ok)
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ok = file.write(geo_data) == geo_data.size();
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if (ok)
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ok = file.write(layout_data) == layout_data.size();
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if (!ok) {
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QString msg = tr("Error writing to %1\n%2")
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.arg(fileName)
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.arg(file.errorString());
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QMessageBox::warning(this, tr("Error"), msg);
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return;
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}
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}
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void MainWindow::loadLayout()
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{
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QString fileName
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= QFileDialog::getOpenFileName(this, tr("Load layout"));
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if (fileName.isEmpty())
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return;
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QFile file(fileName);
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if (!file.open(QFile::ReadOnly)) {
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QString msg = tr("Failed to open %1\n%2")
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.arg(fileName)
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.arg(file.errorString());
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QMessageBox::warning(this, tr("Error"), msg);
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return;
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}
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uchar geo_size;
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QByteArray geo_data;
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QByteArray layout_data;
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bool ok = file.getChar((char*)&geo_size);
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if (ok) {
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geo_data = file.read(geo_size);
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ok = geo_data.size() == geo_size;
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}
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if (ok) {
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layout_data = file.readAll();
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ok = layout_data.size() > 0;
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}
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if (ok)
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ok = restoreGeometry(geo_data);
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if (ok)
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ok = restoreState(layout_data);
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if (!ok) {
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QString msg = tr("Error reading %1")
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.arg(fileName);
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QMessageBox::warning(this, tr("Error"), msg);
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return;
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}
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}
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QAction *addAction(QMenu *menu, const QString &text, QActionGroup *group, QSignalMapper *mapper,
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int id)
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{
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bool first = group->actions().isEmpty();
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QAction *result = menu->addAction(text);
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result->setCheckable(true);
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result->setChecked(first);
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group->addAction(result);
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QObject::connect(result, SIGNAL(triggered()), mapper, SLOT(map()));
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mapper->setMapping(result, id);
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return result;
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}
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void MainWindow::setupDockWidgets(const QMap<QString, QSize> &customSizeHints)
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{
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qRegisterMetaType<QDockWidget::DockWidgetFeatures>();
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mapper = new QSignalMapper(this);
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connect(mapper, SIGNAL(mapped(int)), this, SLOT(setCorner(int)));
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QMenu *corner_menu = dockWidgetMenu->addMenu(tr("Top left corner"));
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QActionGroup *group = new QActionGroup(this);
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group->setExclusive(true);
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::addAction(corner_menu, tr("Top dock area"), group, mapper, 0);
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::addAction(corner_menu, tr("Left dock area"), group, mapper, 1);
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corner_menu = dockWidgetMenu->addMenu(tr("Top right corner"));
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group = new QActionGroup(this);
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group->setExclusive(true);
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::addAction(corner_menu, tr("Top dock area"), group, mapper, 2);
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::addAction(corner_menu, tr("Right dock area"), group, mapper, 3);
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corner_menu = dockWidgetMenu->addMenu(tr("Bottom left corner"));
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group = new QActionGroup(this);
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group->setExclusive(true);
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::addAction(corner_menu, tr("Bottom dock area"), group, mapper, 4);
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::addAction(corner_menu, tr("Left dock area"), group, mapper, 5);
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corner_menu = dockWidgetMenu->addMenu(tr("Bottom right corner"));
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group = new QActionGroup(this);
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group->setExclusive(true);
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::addAction(corner_menu, tr("Bottom dock area"), group, mapper, 6);
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::addAction(corner_menu, tr("Right dock area"), group, mapper, 7);
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dockWidgetMenu->addSeparator();
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static const struct Set {
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const char * name;
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uint flags;
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Qt::DockWidgetArea area;
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} sets [] = {
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#ifndef Q_WS_MAC
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{ "Black", 0, Qt::LeftDockWidgetArea },
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#else
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{ "Black", Qt::Drawer, Qt::LeftDockWidgetArea },
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#endif
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{ "White", 0, Qt::RightDockWidgetArea },
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{ "Red", 0, Qt::TopDockWidgetArea },
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{ "Green", 0, Qt::TopDockWidgetArea },
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{ "Blue", 0, Qt::BottomDockWidgetArea },
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{ "Yellow", 0, Qt::BottomDockWidgetArea }
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};
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const int setCount = sizeof(sets) / sizeof(Set);
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for (int i = 0; i < setCount; ++i) {
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ColorSwatch *swatch = new ColorSwatch(tr(sets[i].name), this, Qt::WindowFlags(sets[i].flags));
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if (i%2)
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swatch->setWindowIcon(QIcon(QPixmap(":/res/qt.png")));
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if (qstrcmp(sets[i].name, "Blue") == 0) {
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BlueTitleBar *titlebar = new BlueTitleBar(swatch);
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swatch->setTitleBarWidget(titlebar);
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connect(swatch, SIGNAL(topLevelChanged(bool)), titlebar, SLOT(updateMask()));
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connect(swatch, SIGNAL(featuresChanged(QDockWidget::DockWidgetFeatures)), titlebar, SLOT(updateMask()), Qt::QueuedConnection);
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#ifdef Q_WS_QWS
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QPalette pal = palette();
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pal.setBrush(backgroundRole(), QColor(0,0,0,0));
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swatch->setPalette(pal);
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#endif
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}
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QString name = QString::fromLatin1(sets[i].name);
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if (customSizeHints.contains(name))
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swatch->setCustomSizeHint(customSizeHints.value(name));
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addDockWidget(sets[i].area, swatch);
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dockWidgetMenu->addMenu(swatch->menu);
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}
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createDockWidgetAction = new QAction(tr("Add dock widget..."), this);
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connect(createDockWidgetAction, SIGNAL(triggered()), this, SLOT(createDockWidget()));
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destroyDockWidgetMenu = new QMenu(tr("Destroy dock widget"), this);
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destroyDockWidgetMenu->setEnabled(false);
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connect(destroyDockWidgetMenu, SIGNAL(triggered(QAction*)), this, SLOT(destroyDockWidget(QAction*)));
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dockWidgetMenu->addSeparator();
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dockWidgetMenu->addAction(createDockWidgetAction);
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dockWidgetMenu->addMenu(destroyDockWidgetMenu);
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}
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void MainWindow::setCorner(int id)
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{
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switch (id) {
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case 0:
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QMainWindow::setCorner(Qt::TopLeftCorner, Qt::TopDockWidgetArea);
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break;
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case 1:
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QMainWindow::setCorner(Qt::TopLeftCorner, Qt::LeftDockWidgetArea);
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break;
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case 2:
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QMainWindow::setCorner(Qt::TopRightCorner, Qt::TopDockWidgetArea);
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break;
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case 3:
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QMainWindow::setCorner(Qt::TopRightCorner, Qt::RightDockWidgetArea);
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break;
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case 4:
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QMainWindow::setCorner(Qt::BottomLeftCorner, Qt::BottomDockWidgetArea);
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break;
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case 5:
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QMainWindow::setCorner(Qt::BottomLeftCorner, Qt::LeftDockWidgetArea);
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break;
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case 6:
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QMainWindow::setCorner(Qt::BottomRightCorner, Qt::BottomDockWidgetArea);
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break;
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case 7:
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QMainWindow::setCorner(Qt::BottomRightCorner, Qt::RightDockWidgetArea);
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break;
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}
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}
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void MainWindow::showEvent(QShowEvent *event)
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{
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QMainWindow::showEvent(event);
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}
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void MainWindow::switchLayoutDirection()
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{
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if (layoutDirection() == Qt::LeftToRight)
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qApp->setLayoutDirection(Qt::RightToLeft);
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else
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qApp->setLayoutDirection(Qt::LeftToRight);
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}
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class CreateDockWidgetDialog : public QDialog
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{
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public:
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CreateDockWidgetDialog(QWidget *parent = 0);
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QString objectName() const;
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Qt::DockWidgetArea location() const;
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private:
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QLineEdit *m_objectName;
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QComboBox *m_location;
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};
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CreateDockWidgetDialog::CreateDockWidgetDialog(QWidget *parent)
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: QDialog(parent)
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{
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QGridLayout *layout = new QGridLayout(this);
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layout->addWidget(new QLabel(tr("Object name:")), 0, 0);
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m_objectName = new QLineEdit;
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layout->addWidget(m_objectName, 0, 1);
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layout->addWidget(new QLabel(tr("Location:")), 1, 0);
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m_location = new QComboBox;
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m_location->setEditable(false);
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m_location->addItem(tr("Top"));
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m_location->addItem(tr("Left"));
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m_location->addItem(tr("Right"));
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m_location->addItem(tr("Bottom"));
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m_location->addItem(tr("Restore"));
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layout->addWidget(m_location, 1, 1);
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QHBoxLayout *buttonLayout = new QHBoxLayout;
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layout->addLayout(buttonLayout, 2, 0, 1, 2);
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buttonLayout->addStretch();
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QPushButton *cancelButton = new QPushButton(tr("Cancel"));
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connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));
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buttonLayout->addWidget(cancelButton);
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QPushButton *okButton = new QPushButton(tr("Ok"));
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connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));
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buttonLayout->addWidget(okButton);
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okButton->setDefault(true);
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}
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QString CreateDockWidgetDialog::objectName() const
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{
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return m_objectName->text();
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}
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Qt::DockWidgetArea CreateDockWidgetDialog::location() const
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{
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switch (m_location->currentIndex()) {
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case 0: return Qt::TopDockWidgetArea;
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case 1: return Qt::LeftDockWidgetArea;
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case 2: return Qt::RightDockWidgetArea;
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case 3: return Qt::BottomDockWidgetArea;
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default:
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break;
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}
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return Qt::NoDockWidgetArea;
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}
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void MainWindow::createDockWidget()
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{
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CreateDockWidgetDialog dialog(this);
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int ret = dialog.exec();
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if (ret == QDialog::Rejected)
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return;
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QDockWidget *dw = new QDockWidget;
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dw->setObjectName(dialog.objectName());
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dw->setWindowTitle(dialog.objectName());
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dw->setWidget(new QTextEdit);
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Qt::DockWidgetArea area = dialog.location();
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switch (area) {
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case Qt::LeftDockWidgetArea:
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case Qt::RightDockWidgetArea:
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case Qt::TopDockWidgetArea:
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case Qt::BottomDockWidgetArea:
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addDockWidget(area, dw);
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break;
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default:
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if (!restoreDockWidget(dw)) {
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QMessageBox::warning(this, QString(), tr("Failed to restore dock widget"));
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delete dw;
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return;
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}
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break;
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}
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extraDockWidgets.append(dw);
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destroyDockWidgetMenu->setEnabled(true);
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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);
|
|
}
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