Mega Code Archive
Using QDockWidget
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#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
class QDockWidget;
class QListWidget;
class QListWidgetItem;
class QTextBrowser;
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow(QWidget *parent = 0);
private slots:
void updateText(QListWidgetItem *item);
private:
void setupContents();
void setupDockWindow();
void setupMenus();
QDockWidget *contentsWindow;
QListWidget *headingList;
QTextBrowser *textBrowser;
};
#endif
#include <QtGui>
#include "mainwindow.h"
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
setWindowTitle("Dock Widgets");
setupDockWindow();
setupContents();
setupMenus();
textBrowser = new QTextBrowser(this);
connect(headingList, SIGNAL(itemClicked(QListWidgetItem *)),
this, SLOT(updateText(QListWidgetItem *)));
updateText(headingList->item(0));
headingList->setCurrentRow(0);
setCentralWidget(textBrowser);
}
void MainWindow::setupContents()
{
QFile titlesFile(":/Resources/titles.txt");
titlesFile.open(QFile::ReadOnly);
int chapter = 0;
do {
QString line = titlesFile.readLine().trimmed();
QStringList parts = line.split("\t", QString::SkipEmptyParts);
if (parts.size() != 2)
break;
QString chapterTitle = parts[0];
QString fileName = parts[1];
QFile chapterFile(fileName);
chapterFile.open(QFile::ReadOnly);
QListWidgetItem *item = new QListWidgetItem(chapterTitle, headingList);
item->setData(Qt::DisplayRole, chapterTitle);
item->setData(Qt::UserRole, chapterFile.readAll());
item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
chapterFile.close();
chapter++;
} while (titlesFile.isOpen());
titlesFile.close();
}
void MainWindow::setupDockWindow()
{
contentsWindow = new QDockWidget(tr("Table of Contents"), this);
contentsWindow->setAllowedAreas(Qt::LeftDockWidgetArea
| Qt::RightDockWidgetArea);
addDockWidget(Qt::LeftDockWidgetArea, contentsWindow);
headingList = new QListWidget(contentsWindow);
contentsWindow->setWidget(headingList);
}
void MainWindow::setupMenus()
{
QAction *exitAct = new QAction(tr("E&xit"), this);
exitAct->setShortcut(tr("Ctrl+Q"));
exitAct->setStatusTip(tr("Exit the application"));
connect(exitAct, SIGNAL(triggered()), qApp, SLOT(closeAllWindows()));
QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
fileMenu->addAction(exitAct);
}
void MainWindow::updateText(QListWidgetItem *item)
{
QString text = item->data(Qt::UserRole).toString();
textBrowser->setHtml(text);
}
#include <QApplication>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QMainWindow *window = new MainWindow;
window->show();
window->resize(640, 480);
return app.exec();
}
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