qt5base-lts/examples/widgets/mainwindows/dockwidgets/mainwindow.cpp
Stephan Binner dbeb748de3 Convert features.printdialog to QT_[REQUIRE_]CONFIG
Change-Id: Ifb016ae2a0986b436f788b34513c81ea91f3804a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
2017-05-30 17:21:26 +00:00

346 lines
12 KiB
C++

/****************************************************************************
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//! [0]
#include <QtWidgets>
#if defined(QT_PRINTSUPPORT_LIB)
#include <QtPrintSupport/qtprintsupportglobal.h>
#if QT_CONFIG(printdialog)
#include <QtPrintSupport>
#endif
#endif
#include "mainwindow.h"
//! [0]
//! [1]
MainWindow::MainWindow()
: textEdit(new QTextEdit)
{
setCentralWidget(textEdit);
createActions();
createStatusBar();
createDockWindows();
setWindowTitle(tr("Dock Widgets"));
newLetter();
setUnifiedTitleAndToolBarOnMac(true);
}
//! [1]
//! [2]
void MainWindow::newLetter()
{
textEdit->clear();
QTextCursor cursor(textEdit->textCursor());
cursor.movePosition(QTextCursor::Start);
QTextFrame *topFrame = cursor.currentFrame();
QTextFrameFormat topFrameFormat = topFrame->frameFormat();
topFrameFormat.setPadding(16);
topFrame->setFrameFormat(topFrameFormat);
QTextCharFormat textFormat;
QTextCharFormat boldFormat;
boldFormat.setFontWeight(QFont::Bold);
QTextCharFormat italicFormat;
italicFormat.setFontItalic(true);
QTextTableFormat tableFormat;
tableFormat.setBorder(1);
tableFormat.setCellPadding(16);
tableFormat.setAlignment(Qt::AlignRight);
cursor.insertTable(1, 1, tableFormat);
cursor.insertText("The Firm", boldFormat);
cursor.insertBlock();
cursor.insertText("321 City Street", textFormat);
cursor.insertBlock();
cursor.insertText("Industry Park");
cursor.insertBlock();
cursor.insertText("Some Country");
cursor.setPosition(topFrame->lastPosition());
cursor.insertText(QDate::currentDate().toString("d MMMM yyyy"), textFormat);
cursor.insertBlock();
cursor.insertBlock();
cursor.insertText("Dear ", textFormat);
cursor.insertText("NAME", italicFormat);
cursor.insertText(",", textFormat);
for (int i = 0; i < 3; ++i)
cursor.insertBlock();
cursor.insertText(tr("Yours sincerely,"), textFormat);
for (int i = 0; i < 3; ++i)
cursor.insertBlock();
cursor.insertText("The Boss", textFormat);
cursor.insertBlock();
cursor.insertText("ADDRESS", italicFormat);
}
//! [2]
//! [3]
void MainWindow::print()
{
#if QT_CONFIG(printdialog)
QTextDocument *document = textEdit->document();
QPrinter printer;
QPrintDialog dlg(&printer, this);
if (dlg.exec() != QDialog::Accepted) {
return;
}
document->print(&printer);
statusBar()->showMessage(tr("Ready"), 2000);
#endif
}
//! [3]
//! [4]
void MainWindow::save()
{
QMimeDatabase mimeDatabase;
QString fileName = QFileDialog::getSaveFileName(this,
tr("Choose a file name"), ".",
mimeDatabase.mimeTypeForName("text/html").filterString());
if (fileName.isEmpty())
return;
QFile file(fileName);
if (!file.open(QFile::WriteOnly | QFile::Text)) {
QMessageBox::warning(this, tr("Dock Widgets"),
tr("Cannot write file %1:\n%2.")
.arg(QDir::toNativeSeparators(fileName), file.errorString()));
return;
}
QTextStream out(&file);
QApplication::setOverrideCursor(Qt::WaitCursor);
out << textEdit->toHtml();
QApplication::restoreOverrideCursor();
statusBar()->showMessage(tr("Saved '%1'").arg(fileName), 2000);
}
//! [4]
//! [5]
void MainWindow::undo()
{
QTextDocument *document = textEdit->document();
document->undo();
}
//! [5]
//! [6]
void MainWindow::insertCustomer(const QString &customer)
{
if (customer.isEmpty())
return;
QStringList customerList = customer.split(", ");
QTextDocument *document = textEdit->document();
QTextCursor cursor = document->find("NAME");
if (!cursor.isNull()) {
cursor.beginEditBlock();
cursor.insertText(customerList.at(0));
QTextCursor oldcursor = cursor;
cursor = document->find("ADDRESS");
if (!cursor.isNull()) {
for (int i = 1; i < customerList.size(); ++i) {
cursor.insertBlock();
cursor.insertText(customerList.at(i));
}
cursor.endEditBlock();
}
else
oldcursor.endEditBlock();
}
}
//! [6]
//! [7]
void MainWindow::addParagraph(const QString &paragraph)
{
if (paragraph.isEmpty())
return;
QTextDocument *document = textEdit->document();
QTextCursor cursor = document->find(tr("Yours sincerely,"));
if (cursor.isNull())
return;
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::PreviousBlock, QTextCursor::MoveAnchor, 2);
cursor.insertBlock();
cursor.insertText(paragraph);
cursor.insertBlock();
cursor.endEditBlock();
}
//! [7]
void MainWindow::about()
{
QMessageBox::about(this, tr("About Dock Widgets"),
tr("The <b>Dock Widgets</b> example demonstrates how to "
"use Qt's dock widgets. You can enter your own text, "
"click a customer to add a customer name and "
"address, and click standard paragraphs to add them."));
}
void MainWindow::createActions()
{
QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
QToolBar *fileToolBar = addToolBar(tr("File"));
const QIcon newIcon = QIcon::fromTheme("document-new", QIcon(":/images/new.png"));
QAction *newLetterAct = new QAction(newIcon, tr("&New Letter"), this);
newLetterAct->setShortcuts(QKeySequence::New);
newLetterAct->setStatusTip(tr("Create a new form letter"));
connect(newLetterAct, &QAction::triggered, this, &MainWindow::newLetter);
fileMenu->addAction(newLetterAct);
fileToolBar->addAction(newLetterAct);
const QIcon saveIcon = QIcon::fromTheme("document-save", QIcon(":/images/save.png"));
QAction *saveAct = new QAction(saveIcon, tr("&Save..."), this);
saveAct->setShortcuts(QKeySequence::Save);
saveAct->setStatusTip(tr("Save the current form letter"));
connect(saveAct, &QAction::triggered, this, &MainWindow::save);
fileMenu->addAction(saveAct);
fileToolBar->addAction(saveAct);
const QIcon printIcon = QIcon::fromTheme("document-print", QIcon(":/images/print.png"));
QAction *printAct = new QAction(printIcon, tr("&Print..."), this);
printAct->setShortcuts(QKeySequence::Print);
printAct->setStatusTip(tr("Print the current form letter"));
connect(printAct, &QAction::triggered, this, &MainWindow::print);
fileMenu->addAction(printAct);
fileToolBar->addAction(printAct);
fileMenu->addSeparator();
QAction *quitAct = fileMenu->addAction(tr("&Quit"), this, &QWidget::close);
quitAct->setShortcuts(QKeySequence::Quit);
quitAct->setStatusTip(tr("Quit the application"));
QMenu *editMenu = menuBar()->addMenu(tr("&Edit"));
QToolBar *editToolBar = addToolBar(tr("Edit"));
const QIcon undoIcon = QIcon::fromTheme("edit-undo", QIcon(":/images/undo.png"));
QAction *undoAct = new QAction(undoIcon, tr("&Undo"), this);
undoAct->setShortcuts(QKeySequence::Undo);
undoAct->setStatusTip(tr("Undo the last editing action"));
connect(undoAct, &QAction::triggered, this, &MainWindow::undo);
editMenu->addAction(undoAct);
editToolBar->addAction(undoAct);
viewMenu = menuBar()->addMenu(tr("&View"));
menuBar()->addSeparator();
QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
QAction *aboutAct = helpMenu->addAction(tr("&About"), this, &MainWindow::about);
aboutAct->setStatusTip(tr("Show the application's About box"));
QAction *aboutQtAct = helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt);
aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
}
//! [8]
void MainWindow::createStatusBar()
{
statusBar()->showMessage(tr("Ready"));
}
//! [8]
//! [9]
void MainWindow::createDockWindows()
{
QDockWidget *dock = new QDockWidget(tr("Customers"), this);
dock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
customerList = new QListWidget(dock);
customerList->addItems(QStringList()
<< "John Doe, Harmony Enterprises, 12 Lakeside, Ambleton"
<< "Jane Doe, Memorabilia, 23 Watersedge, Beaton"
<< "Tammy Shea, Tiblanka, 38 Sea Views, Carlton"
<< "Tim Sheen, Caraba Gifts, 48 Ocean Way, Deal"
<< "Sol Harvey, Chicos Coffee, 53 New Springs, Eccleston"
<< "Sally Hobart, Tiroli Tea, 67 Long River, Fedula");
dock->setWidget(customerList);
addDockWidget(Qt::RightDockWidgetArea, dock);
viewMenu->addAction(dock->toggleViewAction());
dock = new QDockWidget(tr("Paragraphs"), this);
paragraphsList = new QListWidget(dock);
paragraphsList->addItems(QStringList()
<< "Thank you for your payment which we have received today."
<< "Your order has been dispatched and should be with you "
"within 28 days."
<< "We have dispatched those items that were in stock. The "
"rest of your order will be dispatched once all the "
"remaining items have arrived at our warehouse. No "
"additional shipping charges will be made."
<< "You made a small overpayment (less than $5) which we "
"will keep on account for you, or return at your request."
<< "You made a small underpayment (less than $1), but we have "
"sent your order anyway. We'll add this underpayment to "
"your next bill."
<< "Unfortunately you did not send enough money. Please remit "
"an additional $. Your order will be dispatched as soon as "
"the complete amount has been received."
<< "You made an overpayment (more than $5). Do you wish to "
"buy more items, or should we return the excess to you?");
dock->setWidget(paragraphsList);
addDockWidget(Qt::RightDockWidgetArea, dock);
viewMenu->addAction(dock->toggleViewAction());
connect(customerList, &QListWidget::currentTextChanged,
this, &MainWindow::insertCustomer);
connect(paragraphsList, &QListWidget::currentTextChanged,
this, &MainWindow::addParagraph);
}
//! [9]