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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);
}
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