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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| #include "assistant.h" |
| #include "findfiledialog.h" |
| #include "mainwindow.h" |
| #include "textedit.h" |
| |
| #include <QAction> |
| #include <QApplication> |
| #include <QLibraryInfo> |
| #include <QMenu> |
| #include <QMenuBar> |
| #include <QMessageBox> |
| |
| // ![0] |
| MainWindow::MainWindow() |
| { |
| assistant = new Assistant; |
| // ![0] |
| textViewer = new TextEdit; |
| textViewer->setContents(QLibraryInfo::location(QLibraryInfo::ExamplesPath) |
| + QLatin1String("/assistant/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); |
| } |