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 ** Copyright (C) 2004-2007 Trolltech ASA. All rights reserved.
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 ** This file is part of the example classes of the Qt Toolkit.
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 ** additional rights. These rights are described in the Trolltech GPL
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 ** Trolltech ASA (c) 2007
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 ****************************************************************************/
 
 #include <QtGui>
 
 #include "mainwindow.h"
 
 MainWindow::MainWindow()
 {
     QWidget *widget = new QWidget;
     setCentralWidget(widget);
 
     QWidget *topFiller = new QWidget;
     topFiller->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
     infoLabel = new QLabel(tr("<i>Choose a menu option, or right-click to "
                               "invoke a context menu</i>"));
     infoLabel->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
     infoLabel->setAlignment(Qt::AlignCenter);
 
     QWidget *bottomFiller = new QWidget;
     bottomFiller->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 
     QVBoxLayout *layout = new QVBoxLayout;
     layout->setMargin(5);
     layout->addWidget(topFiller);
     layout->addWidget(infoLabel);
     layout->addWidget(bottomFiller);
     widget->setLayout(layout);
 
     createActions();
     createMenus();
 
     QString message = tr("A context menu is available by right-clicking");
     statusBar()->showMessage(message);
 
     setWindowTitle(tr("Menus"));
     setMinimumSize(160, 160);
     resize(480, 320);
 }
 
 void MainWindow::contextMenuEvent(QContextMenuEvent *event)
 {
     QMenu menu(this);
     menu.addAction(cutAct);
     menu.addAction(copyAct);
     menu.addAction(pasteAct);
     menu.exec(event->globalPos());
 }
 
 void MainWindow::newFile()
 {
     infoLabel->setText(tr("Invoked <b>File|New</b>"));
 }
 
 void MainWindow::open()
 {
     infoLabel->setText(tr("Invoked <b>File|Open</b>"));
 }
 
 void MainWindow::save()
 {
     infoLabel->setText(tr("Invoked <b>File|Save</b>"));
 }
 
 void MainWindow::print()
 {
     infoLabel->setText(tr("Invoked <b>File|Print</b>"));
 }
 
 void MainWindow::undo()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Undo</b>"));
 }
 
 void MainWindow::redo()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Redo</b>"));
 }
 
 void MainWindow::cut()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Cut</b>"));
 }
 
 void MainWindow::copy()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Copy</b>"));
 }
 
 void MainWindow::paste()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Paste</b>"));
 }
 
 void MainWindow::bold()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Format|Bold</b>"));
 }
 
 void MainWindow::italic()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Format|Italic</b>"));
 }
 
 void MainWindow::leftAlign()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Format|Left Align</b>"));
 }
 
 void MainWindow::rightAlign()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Format|Right Align</b>"));
 }
 
 void MainWindow::justify()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Format|Justify</b>"));
 }
 
 void MainWindow::center()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Format|Center</b>"));
 }
 
 void MainWindow::setLineSpacing()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Format|Set Line Spacing</b>"));
 }
 
 void MainWindow::setParagraphSpacing()
 {
     infoLabel->setText(tr("Invoked <b>Edit|Format|Set Paragraph Spacing</b>"));
 }
 
 void MainWindow::about()
 {
     infoLabel->setText(tr("Invoked <b>Help|About</b>"));
     QMessageBox::about(this, tr("About Menu"),
             tr("The <b>Menu</b> example shows how to create "
                "menu-bar menus and context menus."));
 }
 
 void MainWindow::aboutQt()
 {
     infoLabel->setText(tr("Invoked <b>Help|About Qt</b>"));
 }
 
 void MainWindow::createActions()
 {
     newAct = new QAction(tr("&amp;New"), this);
     newAct->setShortcut(tr("Ctrl+N"));
     newAct->setStatusTip(tr("Create a new file"));
     connect(newAct, SIGNAL(triggered()), this, SLOT(newFile()));
 
     openAct = new QAction(tr("&amp;Open..."), this);
     openAct->setShortcut(tr("Ctrl+O"));
     openAct->setStatusTip(tr("Open an existing file"));
     connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
 
     saveAct = new QAction(tr("&amp;Save"), this);
     saveAct->setShortcut(tr("Ctrl+S"));
     saveAct->setStatusTip(tr("Save the document to disk"));
     connect(saveAct, SIGNAL(triggered()), this, SLOT(save()));
 
     printAct = new QAction(tr("&amp;Print..."), this);
     printAct->setShortcut(tr("Ctrl+P"));
     printAct->setStatusTip(tr("Print the document"));
     connect(printAct, SIGNAL(triggered()), this, SLOT(print()));
 
     exitAct = new QAction(tr("E&amp;xit"), this);
     exitAct->setShortcut(tr("Ctrl+Q"));
     exitAct->setStatusTip(tr("Exit the application"));
     connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
 
     undoAct = new QAction(tr("&amp;Undo"), this);
     undoAct->setShortcut(tr("Ctrl+Z"));
     undoAct->setStatusTip(tr("Undo the last operation"));
     connect(undoAct, SIGNAL(triggered()), this, SLOT(undo()));
 
     redoAct = new QAction(tr("&amp;Redo"), this);
     redoAct->setShortcut(tr("Ctrl+Y"));
     redoAct->setStatusTip(tr("Redo the last operation"));
     connect(redoAct, SIGNAL(triggered()), this, SLOT(redo()));
 
     cutAct = new QAction(tr("Cu&amp;t"), this);
     cutAct->setShortcut(tr("Ctrl+X"));
     cutAct->setStatusTip(tr("Cut the current selection's contents to the "
                             "clipboard"));
     connect(cutAct, SIGNAL(triggered()), this, SLOT(cut()));
 
     copyAct = new QAction(tr("&amp;Copy"), this);
     copyAct->setShortcut(tr("Ctrl+C"));
     copyAct->setStatusTip(tr("Copy the current selection's contents to the "
                              "clipboard"));
     connect(copyAct, SIGNAL(triggered()), this, SLOT(copy()));
 
     pasteAct = new QAction(tr("&amp;Paste"), this);
     pasteAct->setShortcut(tr("Ctrl+V"));
     pasteAct->setStatusTip(tr("Paste the clipboard's contents into the current "
                               "selection"));
     connect(pasteAct, SIGNAL(triggered()), this, SLOT(paste()));
 
     boldAct = new QAction(tr("&amp;Bold"), this);
     boldAct->setCheckable(true);
     boldAct->setShortcut(tr("Ctrl+B"));
     boldAct->setStatusTip(tr("Make the text bold"));
     connect(boldAct, SIGNAL(triggered()), this, SLOT(bold()));
 
     QFont boldFont = boldAct->font();
     boldFont.setBold(true);
     boldAct->setFont(boldFont);
 
     italicAct = new QAction(tr("&amp;Italic"), this);
     italicAct->setCheckable(true);
     italicAct->setShortcut(tr("Ctrl+I"));
     italicAct->setStatusTip(tr("Make the text italic"));
     connect(italicAct, SIGNAL(triggered()), this, SLOT(italic()));
 
     QFont italicFont = italicAct->font();
     italicFont.setItalic(true);
     italicAct->setFont(italicFont);
 
     setLineSpacingAct = new QAction(tr("Set &amp;Line Spacing..."), this);
     setLineSpacingAct->setStatusTip(tr("Change the gap between the lines of a "
                                        "paragraph"));
     connect(setLineSpacingAct, SIGNAL(triggered()), this, SLOT(setLineSpacing()));
 
     setParagraphSpacingAct = new QAction(tr("Set &amp;Paragraph Spacing..."), this);
     setLineSpacingAct->setStatusTip(tr("Change the gap between paragraphs"));
     connect(setParagraphSpacingAct, SIGNAL(triggered()),
             this, SLOT(setParagraphSpacing()));
 
     aboutAct = new QAction(tr("&amp;About"), this);
     aboutAct->setStatusTip(tr("Show the application's About box"));
     connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
 
     aboutQtAct = new QAction(tr("About &amp;Qt"), this);
     aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
     connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
     connect(aboutQtAct, SIGNAL(triggered()), this, SLOT(aboutQt()));
 
     leftAlignAct = new QAction(tr("&amp;Left Align"), this);
     leftAlignAct->setCheckable(true);
     leftAlignAct->setShortcut(tr("Ctrl+L"));
     leftAlignAct->setStatusTip(tr("Left align the selected text"));
     connect(leftAlignAct, SIGNAL(triggered()), this, SLOT(leftAlign()));
 
     rightAlignAct = new QAction(tr("&amp;Right Align"), this);
     rightAlignAct->setCheckable(true);
     rightAlignAct->setShortcut(tr("Ctrl+R"));
     rightAlignAct->setStatusTip(tr("Right align the selected text"));
     connect(rightAlignAct, SIGNAL(triggered()), this, SLOT(rightAlign()));
 
     justifyAct = new QAction(tr("&amp;Justify"), this);
     justifyAct->setCheckable(true);
     justifyAct->setShortcut(tr("Ctrl+J"));
     justifyAct->setStatusTip(tr("Justify the selected text"));
     connect(justifyAct, SIGNAL(triggered()), this, SLOT(justify()));
 
     centerAct = new QAction(tr("&amp;Center"), this);
     centerAct->setCheckable(true);
     centerAct->setShortcut(tr("Ctrl+E"));
     centerAct->setStatusTip(tr("Center the selected text"));
     connect(centerAct, SIGNAL(triggered()), this, SLOT(center()));
 
     alignmentGroup = new QActionGroup(this);
     alignmentGroup->addAction(leftAlignAct);
     alignmentGroup->addAction(rightAlignAct);
     alignmentGroup->addAction(justifyAct);
     alignmentGroup->addAction(centerAct);
     leftAlignAct->setChecked(true);
 }
 
 void MainWindow::createMenus()
 {
     fileMenu = menuBar()->addMenu(tr("&amp;File"));
     fileMenu->addAction(newAct);
     fileMenu->addAction(openAct);
     fileMenu->addAction(saveAct);
     fileMenu->addAction(printAct);
     fileMenu->addSeparator();
     fileMenu->addAction(exitAct);
 
     editMenu = menuBar()->addMenu(tr("&amp;Edit"));
     editMenu->addAction(undoAct);
     editMenu->addAction(redoAct);
     editMenu->addSeparator();
     editMenu->addAction(cutAct);
     editMenu->addAction(copyAct);
     editMenu->addAction(pasteAct);
     editMenu->addSeparator();
 
     helpMenu = menuBar()->addMenu(tr("&amp;Help"));
     helpMenu->addAction(aboutAct);
     helpMenu->addAction(aboutQtAct);
 
     formatMenu = editMenu->addMenu(tr("&amp;Format"));
     formatMenu->addAction(boldAct);
     formatMenu->addAction(italicAct);
     formatMenu->addSeparator()->setText(tr("Alignment"));
     formatMenu->addAction(leftAlignAct);
     formatMenu->addAction(rightAlignAct);
     formatMenu->addAction(justifyAct);
     formatMenu->addAction(centerAct);
     formatMenu->addSeparator();
     formatMenu->addAction(setLineSpacingAct);
     formatMenu->addAction(setParagraphSpacingAct);
 }