From b1e739b52416852014ee7a933aac81a28a9ac71f Mon Sep 17 00:00:00 2001 From: Jerome Pasion Date: Wed, 24 Oct 2012 15:51:15 +0200 Subject: Qt GUI: Adding Rich Text Processing documentation from qtdoc -included the snippets -editing for technical accuracy still to be done. -ported missing files from Qt 4 Change-Id: I0b2d27630b762c6518c08973a40b476d7852001d Reviewed-by: Eskil Abrahamsen Blomfeldt --- .../doc/snippets/textdocument-printing/main.cpp | 52 +++++++++ .../snippets/textdocument-printing/mainwindow.cpp | 124 +++++++++++++++++++++ .../snippets/textdocument-printing/mainwindow.h | 72 ++++++++++++ .../textdocument-printing.pro | 3 + 4 files changed, 251 insertions(+) create mode 100644 src/gui/doc/snippets/textdocument-printing/main.cpp create mode 100644 src/gui/doc/snippets/textdocument-printing/mainwindow.cpp create mode 100644 src/gui/doc/snippets/textdocument-printing/mainwindow.h create mode 100644 src/gui/doc/snippets/textdocument-printing/textdocument-printing.pro (limited to 'src/gui/doc/snippets/textdocument-printing') diff --git a/src/gui/doc/snippets/textdocument-printing/main.cpp b/src/gui/doc/snippets/textdocument-printing/main.cpp new file mode 100644 index 0000000000..bc9eb837dc --- /dev/null +++ b/src/gui/doc/snippets/textdocument-printing/main.cpp @@ -0,0 +1,52 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include + +#include "mainwindow.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + MainWindow *window = new MainWindow; + window->resize(640, 480); + window->show(); + return app.exec(); +} diff --git a/src/gui/doc/snippets/textdocument-printing/mainwindow.cpp b/src/gui/doc/snippets/textdocument-printing/mainwindow.cpp new file mode 100644 index 0000000000..6abe90a3d3 --- /dev/null +++ b/src/gui/doc/snippets/textdocument-printing/mainwindow.cpp @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include + +#include "mainwindow.h" + +MainWindow::MainWindow() +{ + QMenu *fileMenu = new QMenu(tr("&File")); + + fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()), + QKeySequence(tr("Ctrl+O", "File|Open"))); + + printAction = fileMenu->addAction(tr("&Print..."), this, SLOT(printFile())); + printAction->setEnabled(false); + + pdfPrintAction = fileMenu->addAction(tr("Print as P&DF..."), this, SLOT(printPdf())); + pdfPrintAction->setEnabled(false); + + fileMenu->addAction(tr("E&xit"), this, SLOT(close()), + QKeySequence(tr("Ctrl+Q", "File|Exit"))); + + menuBar()->addMenu(fileMenu); + + editor = new QTextEdit(this); + document = new QTextDocument(this); + editor->setDocument(document); + + connect(editor, SIGNAL(selectionChanged()), this, SLOT(updateMenus())); + + setCentralWidget(editor); + setWindowTitle(tr("Text Document Writer")); +} + +void MainWindow::openFile() +{ + QString fileName = QFileDialog::getOpenFileName(this, + tr("Open file"), currentFile, "HTML files (*.html);;Text files (*.txt)"); + + if (!fileName.isEmpty()) { + QFileInfo info(fileName); + if (info.completeSuffix() == "html") { + QFile file(fileName); + + if (file.open(QIODevice::ReadOnly)) { + editor->setHtml(file.readAll()); + file.close(); + currentFile = fileName; + } + } else if (info.completeSuffix() == "txt") { + QFile file(fileName); + + if (file.open(QIODevice::ReadOnly)) { + editor->setPlainText(file.readAll()); + file.close(); + currentFile = fileName; + } + } + printAction->setEnabled(true); + pdfPrintAction->setEnabled(true); + } +} + +void MainWindow::printFile() +{ +//! [0] + QTextDocument *document = editor->document(); + QPrinter printer; + + QPrintDialog *dlg = new QPrintDialog(&printer, this); + if (dlg->exec() != QDialog::Accepted) + return; + + document->print(&printer); +//! [0] +} + +void MainWindow::printPdf() +{ + QPrinter printer(QPrinter::HighResolution); + printer.setOutputFormat(QPrinter::PdfFormat); + + QPrintDialog *printDialog = new QPrintDialog(&printer, this); + if (printDialog->exec() == QDialog::Accepted) + editor->document()->print(&printer); +} diff --git a/src/gui/doc/snippets/textdocument-printing/mainwindow.h b/src/gui/doc/snippets/textdocument-printing/mainwindow.h new file mode 100644 index 0000000000..cce30a9642 --- /dev/null +++ b/src/gui/doc/snippets/textdocument-printing/mainwindow.h @@ -0,0 +1,72 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef MAINWINDOW_H +#define MAINWINDOW_H + +#include +#include +#include + +class QAction; +class QTextDocument; +class QTextEdit; + +class MainWindow : public QMainWindow +{ + Q_OBJECT + +public: + MainWindow(); + +public slots: + void openFile(); + void printFile(); + void printPdf(); + +private: + QAction *printAction; + QAction *pdfPrintAction; + QString currentFile; + QTextEdit *editor; + QTextDocument *document; +}; + +#endif diff --git a/src/gui/doc/snippets/textdocument-printing/textdocument-printing.pro b/src/gui/doc/snippets/textdocument-printing/textdocument-printing.pro new file mode 100644 index 0000000000..5da8d6e1a1 --- /dev/null +++ b/src/gui/doc/snippets/textdocument-printing/textdocument-printing.pro @@ -0,0 +1,3 @@ +HEADERS = mainwindow.h +SOURCES = main.cpp \ + mainwindow.cpp -- cgit v1.2.3