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Diffstat (limited to 'examples/help/simpletextviewer/mainwindow.cpp')
-rw-r--r-- | examples/help/simpletextviewer/mainwindow.cpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/examples/help/simpletextviewer/mainwindow.cpp b/examples/help/simpletextviewer/mainwindow.cpp new file mode 100644 index 000000000..61fbdf3cb --- /dev/null +++ b/examples/help/simpletextviewer/mainwindow.cpp @@ -0,0 +1,146 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/QLibraryInfo> +#include <QtGui/QApplication> +#include <QtGui/QAction> +#include <QtGui/QMenu> +#include <QtGui/QMenuBar> +#include <QtGui/QMessageBox> + +#include "mainwindow.h" +#include "findfiledialog.h" +#include "assistant.h" +#include "textedit.h" + +// ![0] +MainWindow::MainWindow() +{ + assistant = new Assistant; +// ![0] + textViewer = new TextEdit; + textViewer->setContents(QLibraryInfo::location(QLibraryInfo::ExamplesPath) + + QLatin1String("/help/simpletextviewer/documentation/intro.html")); + setCentralWidget(textViewer); + + createActions(); + createMenus(); + + setWindowTitle(tr("Simple Text Viewer")); + resize(750, 400); +// ![1] +} +//! [1] + +//! [2] +void MainWindow::closeEvent(QCloseEvent *) +{ + delete assistant; +} +//! [2] + +void MainWindow::about() +{ + QMessageBox::about(this, tr("About Simple Text Viewer"), + tr("This example demonstrates how to use\n" + "Qt Assistant as help system for your\n" + "own application.")); +} + +//! [3] +void MainWindow::showDocumentation() +{ + assistant->showDocumentation("index.html"); +} +//! [3] + +void MainWindow::open() +{ + FindFileDialog dialog(textViewer, assistant); + dialog.exec(); +} + +//! [4] +void MainWindow::createActions() +{ + assistantAct = new QAction(tr("Help Contents"), this); + assistantAct->setShortcut(QKeySequence::HelpContents); + connect(assistantAct, SIGNAL(triggered()), this, SLOT(showDocumentation())); +//! [4] + + openAct = new QAction(tr("&Open..."), this); + openAct->setShortcut(QKeySequence::Open); + connect(openAct, SIGNAL(triggered()), this, SLOT(open())); + + clearAct = new QAction(tr("&Clear"), this); + clearAct->setShortcut(tr("Ctrl+C")); + connect(clearAct, SIGNAL(triggered()), textViewer, SLOT(clear())); + + exitAct = new QAction(tr("E&xit"), this); + exitAct->setShortcuts(QKeySequence::Quit); + connect(exitAct, SIGNAL(triggered()), this, SLOT(close())); + + aboutAct = new QAction(tr("&About"), this); + connect(aboutAct, SIGNAL(triggered()), this, SLOT(about())); + + aboutQtAct = new QAction(tr("About &Qt"), this); + connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt())); +//! [5] +} +//! [5] + +void MainWindow::createMenus() +{ + fileMenu = new QMenu(tr("&File"), this); + fileMenu->addAction(openAct); + fileMenu->addAction(clearAct); + fileMenu->addSeparator(); + fileMenu->addAction(exitAct); + + helpMenu = new QMenu(tr("&Help"), this); + helpMenu->addAction(assistantAct); + helpMenu->addSeparator(); + helpMenu->addAction(aboutAct); + helpMenu->addAction(aboutQtAct); + + + menuBar()->addMenu(fileMenu); + menuBar()->addMenu(helpMenu); +} |