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++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "assistant.h"
++ #include "findfiledialog.h"
++ #include "mainwindow.h"
++ #include "textedit.h"
++
++ #include <QAction>
++ #include <QApplication>
++ #include <QLibraryInfo>
++ #include <QMenu>
++ #include <QMenuBar>
++ #include <QMessageBox>
++
++ using namespace Qt::StringLiterals;
++
++ // ![0]
++ MainWindow::MainWindow()
++ : textViewer(new TextEdit)
++ , assistant(new Assistant)
++ {
++ // ![0]
++ textViewer->setContents(QLibraryInfo::path(QLibraryInfo::ExamplesPath)
++ + "/assistant/simpletextviewer/documentation/intro.html"_L1);
++ setCentralWidget(textViewer);
++
++ createActions();
++ createMenus();
++
++ setWindowTitle(tr("Simple Text Viewer"));
++ resize(750, 400);
++
++ connect(textViewer, &TextEdit::fileNameChanged, this, &MainWindow::updateWindowTitle);
++ // ![1]
++ }
++ //! [1]
++
++ //! [2]
++ void MainWindow::closeEvent(QCloseEvent *)
++ {
++ delete assistant;
++ }
++ //! [2]
++
++ void MainWindow::updateWindowTitle(const QString &fileName)
++ {
++ setWindowTitle(tr("Simple Text Viewer - %1").arg(fileName));
++ }
++
++ 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, &QAction::triggered, this, &MainWindow::showDocumentation);
++ //! [4]
++
++ openAct = new QAction(tr("&Open..."), this);
++ openAct->setShortcut(QKeySequence::Open);
++ connect(openAct, &QAction::triggered, this, &MainWindow::open);
++
++ clearAct = new QAction(tr("&Clear"), this);
++ clearAct->setShortcut(tr("Ctrl+C"));
++ connect(clearAct, &QAction::triggered, textViewer, &QTextEdit::clear);
++
++ exitAct = new QAction(tr("E&xit"), this);
++ exitAct->setShortcuts(QKeySequence::Quit);
++ connect(exitAct, &QAction::triggered, this, &QWidget::close);
++
++ aboutAct = new QAction(tr("&About"), this);
++ connect(aboutAct, &QAction::triggered, this, &MainWindow::about);
++
++ aboutQtAct = new QAction(tr("About &Qt"), this);
++ connect(aboutQtAct, &QAction::triggered, QApplication::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);
++ }