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    40 ****************************************************************************/

    41 

    42 //! [0]

    43 #include <QtGui>

    44 

    45 #include "mainwindow.h"

    46 //! [0]

    47 

    48 //! [1]

    49 MainWindow::MainWindow()

    50 {

    51     textEdit = new QTextEdit;

    52     setCentralWidget(textEdit);

    53 

    54     createActions();

    55     createMenus();

    56     createToolBars();

    57     createStatusBar();

    58     createDockWindows();

    59 

    60     setWindowTitle(tr("Dock Widgets"));

    61 

    62     newLetter();

    63     setUnifiedTitleAndToolBarOnMac(true);

    64 }

    65 //! [1]

    66 

    67 //! [2]

    68 void MainWindow::newLetter()

    69 {

    70     textEdit->clear();

    71 

    72     QTextCursor cursor(textEdit->textCursor());

    73     cursor.movePosition(QTextCursor::Start);

    74     QTextFrame *topFrame = cursor.currentFrame();

    75     QTextFrameFormat topFrameFormat = topFrame->frameFormat();

    76     topFrameFormat.setPadding(16);

    77     topFrame->setFrameFormat(topFrameFormat);

    78 

    79     QTextCharFormat textFormat;

    80     QTextCharFormat boldFormat;

    81     boldFormat.setFontWeight(QFont::Bold);

    82     QTextCharFormat italicFormat;

    83     italicFormat.setFontItalic(true);

    84 

    85     QTextTableFormat tableFormat;

    86     tableFormat.setBorder(1);

    87     tableFormat.setCellPadding(16);

    88     tableFormat.setAlignment(Qt::AlignRight);

    89     cursor.insertTable(1, 1, tableFormat);

    90     cursor.insertText("The Firm", boldFormat);

    91     cursor.insertBlock();

    92     cursor.insertText("321 City Street", textFormat);

    93     cursor.insertBlock();

    94     cursor.insertText("Industry Park");

    95     cursor.insertBlock();

    96     cursor.insertText("Some Country");

    97     cursor.setPosition(topFrame->lastPosition());

    98     cursor.insertText(QDate::currentDate().toString("d MMMM yyyy"), textFormat);

    99     cursor.insertBlock();

   100     cursor.insertBlock();

   101     cursor.insertText("Dear ", textFormat);

   102     cursor.insertText("NAME", italicFormat);

   103     cursor.insertText(",", textFormat);

   104     for (int i = 0; i < 3; ++i)

   105         cursor.insertBlock();

   106     cursor.insertText(tr("Yours sincerely,"), textFormat);

   107     for (int i = 0; i < 3; ++i)

   108         cursor.insertBlock();

   109     cursor.insertText("The Boss", textFormat);

   110     cursor.insertBlock();

   111     cursor.insertText("ADDRESS", italicFormat);

   112 }

   113 //! [2]

   114 

   115 //! [3]

   116 void MainWindow::print()

   117 {

   118 #ifndef QT_NO_PRINTDIALOG

   119     QTextDocument *document = textEdit->document();

   120     QPrinter printer;

   121 

   122     QPrintDialog *dlg = new QPrintDialog(&printer, this);

   123     if (dlg->exec() != QDialog::Accepted)

   124         return;

   125 

   126     document->print(&printer);

   127 

   128     statusBar()->showMessage(tr("Ready"), 2000);

   129 #endif

   130 }

   131 //! [3]

   132 

   133 //! [4]

   134 void MainWindow::save()

   135 {

   136     QString fileName = QFileDialog::getSaveFileName(this,

   137                         tr("Choose a file name"), ".",

   138                         tr("HTML (*.html *.htm)"));

   139     if (fileName.isEmpty())

   140         return;

   141     QFile file(fileName);

   142     if (!file.open(QFile::WriteOnly | QFile::Text)) {

   143         QMessageBox::warning(this, tr("Dock Widgets"),

   144                              tr("Cannot write file %1:\n%2.")

   145                              .arg(fileName)

   146                              .arg(file.errorString()));

   147         return;

   148     }

   149 

   150     QTextStream out(&file);

   151     QApplication::setOverrideCursor(Qt::WaitCursor);

   152     out << textEdit->toHtml();

   153     QApplication::restoreOverrideCursor();

   154 

   155     statusBar()->showMessage(tr("Saved '%1'").arg(fileName), 2000);

   156 }

   157 //! [4]

   158 

   159 //! [5]

   160 void MainWindow::undo()

   161 {

   162     QTextDocument *document = textEdit->document();

   163     document->undo();

   164 }

   165 //! [5]

   166 

   167 //! [6]

   168 void MainWindow::insertCustomer(const QString &customer)

   169 {

   170     if (customer.isEmpty())

   171         return;

   172     QStringList customerList = customer.split(", ");

   173     QTextDocument *document = textEdit->document();

   174     QTextCursor cursor = document->find("NAME");

   175     if (!cursor.isNull()) {

   176         cursor.beginEditBlock();

   177         cursor.insertText(customerList.at(0));

   178         QTextCursor oldcursor = cursor;

   179         cursor = document->find("ADDRESS");

   180         if (!cursor.isNull()) {

   181             for (int i = 1; i < customerList.size(); ++i) {

   182                 cursor.insertBlock();

   183                 cursor.insertText(customerList.at(i));

   184             }

   185             cursor.endEditBlock();

   186         }

   187         else

   188             oldcursor.endEditBlock();

   189     }

   190 }

   191 //! [6]

   192 

   193 //! [7]

   194 void MainWindow::addParagraph(const QString &paragraph)

   195 {

   196     if (paragraph.isEmpty())

   197         return;

   198     QTextDocument *document = textEdit->document();

   199     QTextCursor cursor = document->find(tr("Yours sincerely,"));

   200     if (cursor.isNull())

   201         return;

   202     cursor.beginEditBlock();

   203     cursor.movePosition(QTextCursor::PreviousBlock, QTextCursor::MoveAnchor, 2);

   204     cursor.insertBlock();

   205     cursor.insertText(paragraph);

   206     cursor.insertBlock();

   207     cursor.endEditBlock();

   208 

   209 }

   210 //! [7]

   211 

   212 void MainWindow::about()

   213 {

   214    QMessageBox::about(this, tr("About Dock Widgets"),

   215             tr("The <b>Dock Widgets</b> example demonstrates how to "

   216                "use Qt's dock widgets. You can enter your own text, "

   217                "click a customer to add a customer name and "

   218                "address, and click standard paragraphs to add them."));

   219 }

   220 

   221 void MainWindow::createActions()

   222 {

   223     newLetterAct = new QAction(QIcon(":/images/new.png"), tr("&New Letter"),

   224                                this);

   225     newLetterAct->setShortcuts(QKeySequence::New);

   226     newLetterAct->setStatusTip(tr("Create a new form letter"));

   227     connect(newLetterAct, SIGNAL(triggered()), this, SLOT(newLetter()));

   228 

   229     saveAct = new QAction(QIcon(":/images/save.png"), tr("&Save..."), this);

   230     saveAct->setShortcuts(QKeySequence::Save);

   231     saveAct->setStatusTip(tr("Save the current form letter"));

   232     connect(saveAct, SIGNAL(triggered()), this, SLOT(save()));

   233 

   234     printAct = new QAction(QIcon(":/images/print.png"), tr("&Print..."), this);

   235     printAct->setShortcuts(QKeySequence::Print);

   236     printAct->setStatusTip(tr("Print the current form letter"));

   237     connect(printAct, SIGNAL(triggered()), this, SLOT(print()));

   238 

   239     undoAct = new QAction(QIcon(":/images/undo.png"), tr("&Undo"), this);

   240     undoAct->setShortcuts(QKeySequence::Undo);

   241     undoAct->setStatusTip(tr("Undo the last editing action"));

   242     connect(undoAct, SIGNAL(triggered()), this, SLOT(undo()));

   243 

   244     quitAct = new QAction(tr("&Quit"), this);

   245     quitAct->setShortcuts(QKeySequence::Quit);

   246     quitAct->setStatusTip(tr("Quit the application"));

   247     connect(quitAct, SIGNAL(triggered()), this, SLOT(close()));

   248 

   249     aboutAct = new QAction(tr("&About"), this);

   250     aboutAct->setStatusTip(tr("Show the application's About box"));

   251     connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));

   252 

   253     aboutQtAct = new QAction(tr("About &Qt"), this);

   254     aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));

   255     connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));

   256 }

   257 

   258 void MainWindow::createMenus()

   259 {

   260     fileMenu = menuBar()->addMenu(tr("&File"));

   261     fileMenu->addAction(newLetterAct);

   262     fileMenu->addAction(saveAct);

   263     fileMenu->addAction(printAct);

   264     fileMenu->addSeparator();

   265     fileMenu->addAction(quitAct);

   266 

   267     editMenu = menuBar()->addMenu(tr("&Edit"));

   268     editMenu->addAction(undoAct);

   269 

   270     viewMenu = menuBar()->addMenu(tr("&View"));

   271 

   272     menuBar()->addSeparator();

   273 

   274     helpMenu = menuBar()->addMenu(tr("&Help"));

   275     helpMenu->addAction(aboutAct);

   276     helpMenu->addAction(aboutQtAct);

   277 }

   278 

   279 void MainWindow::createToolBars()

   280 {

   281     fileToolBar = addToolBar(tr("File"));

   282     fileToolBar->addAction(newLetterAct);

   283     fileToolBar->addAction(saveAct);

   284     fileToolBar->addAction(printAct);

   285 

   286     editToolBar = addToolBar(tr("Edit"));

   287     editToolBar->addAction(undoAct);

   288 }

   289 

   290 //! [8]

   291 void MainWindow::createStatusBar()

   292 {

   293     statusBar()->showMessage(tr("Ready"));

   294 }

   295 //! [8]

   296 

   297 //! [9]

   298 void MainWindow::createDockWindows()

   299 {

   300     QDockWidget *dock = new QDockWidget(tr("Customers"), this);

   301     dock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);

   302     customerList = new QListWidget(dock);

   303     customerList->addItems(QStringList()

   304             << "John Doe, Harmony Enterprises, 12 Lakeside, Ambleton"

   305             << "Jane Doe, Memorabilia, 23 Watersedge, Beaton"

   306             << "Tammy Shea, Tiblanka, 38 Sea Views, Carlton"

   307             << "Tim Sheen, Caraba Gifts, 48 Ocean Way, Deal"

   308             << "Sol Harvey, Chicos Coffee, 53 New Springs, Eccleston"

   309             << "Sally Hobart, Tiroli Tea, 67 Long River, Fedula");

   310     dock->setWidget(customerList);

   311     addDockWidget(Qt::RightDockWidgetArea, dock);

   312     viewMenu->addAction(dock->toggleViewAction());

   313 

   314     dock = new QDockWidget(tr("Paragraphs"), this);

   315     paragraphsList = new QListWidget(dock);

   316     paragraphsList->addItems(QStringList()

   317             << "Thank you for your payment which we have received today."

   318             << "Your order has been dispatched and should be with you "

   319                "within 28 days."

   320             << "We have dispatched those items that were in stock. The "

   321                "rest of your order will be dispatched once all the "

   322                "remaining items have arrived at our warehouse. No "

   323                "additional shipping charges will be made."

   324             << "You made a small overpayment (less than $5) which we "

   325                "will keep on account for you, or return at your request."

   326             << "You made a small underpayment (less than $1), but we have "

   327                "sent your order anyway. We'll add this underpayment to "

   328                "your next bill."

   329             << "Unfortunately you did not send enough money. Please remit "

   330                "an additional $. Your order will be dispatched as soon as "

   331                "the complete amount has been received."

   332             << "You made an overpayment (more than $5). Do you wish to "

   333                "buy more items, or should we return the excess to you?");

   334     dock->setWidget(paragraphsList);

   335     addDockWidget(Qt::RightDockWidgetArea, dock);

   336     viewMenu->addAction(dock->toggleViewAction());

   337 

   338     connect(customerList, SIGNAL(currentTextChanged(const QString &)),

   339             this, SLOT(insertCustomer(const QString &)));

   340     connect(paragraphsList, SIGNAL(currentTextChanged(const QString &)),

   341             this, SLOT(addParagraph(const QString &)));

   342 }

   343 //! [9]