diff options
author | Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com> | 2012-11-20 10:08:29 +0100 |
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committer | Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com> | 2012-11-20 10:12:44 +0100 |
commit | 0dc61c4216697a2c4066d4735b4be941e869e514 (patch) | |
tree | 8a3876897fc5144cc2f9b28223ff9548944a8775 /src/gui/doc/snippets/textdocument-selections/mainwindow.cpp | |
parent | b98b11fa036ea301d1483df6f533ec55be727d9d (diff) | |
parent | a769a212e0c22283fc05d3f49c252f8e2a62ba3f (diff) |
Merge branch 'newdocs'
Added prepare_docs to qt_build_config.prf (it was added
directly in configure in the source branch)
Conflicts:
configure
tools/configure/configureapp.cpp
Change-Id: I1337c69fc62b1c934e3e39b4409e4857440c9db8
Diffstat (limited to 'src/gui/doc/snippets/textdocument-selections/mainwindow.cpp')
-rw-r--r-- | src/gui/doc/snippets/textdocument-selections/mainwindow.cpp | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/gui/doc/snippets/textdocument-selections/mainwindow.cpp b/src/gui/doc/snippets/textdocument-selections/mainwindow.cpp new file mode 100644 index 0000000000..a776a921a4 --- /dev/null +++ b/src/gui/doc/snippets/textdocument-selections/mainwindow.cpp @@ -0,0 +1,203 @@ +/**************************************************************************** +** +** 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 <QtGui> + +#include "mainwindow.h" + +MainWindow::MainWindow() +{ + QMenu *fileMenu = new QMenu(tr("&File")); + + fileMenu->addAction(tr("&Open..."), this, SLOT(openFile()), + QKeySequence(tr("Ctrl+O", "File|Open"))); + + QAction *quitAction = fileMenu->addAction(tr("E&xit"), this, SLOT(close())); + quitAction->setShortcut(tr("Ctrl+Q")); + + QMenu *editMenu = new QMenu(tr("&Edit")); + + cutAction = editMenu->addAction(tr("Cu&t"), this, SLOT(cutSelection())); + cutAction->setShortcut(tr("Ctrl+X")); + cutAction->setEnabled(false); + + copyAction = editMenu->addAction(tr("&Copy"), this, SLOT(copySelection())); + copyAction->setShortcut(tr("Ctrl+C")); + copyAction->setEnabled(false); + + pasteAction = editMenu->addAction(tr("&Paste"), this, SLOT(pasteSelection())); + pasteAction->setShortcut(tr("Ctrl+V")); + pasteAction->setEnabled(false); + + QMenu *selectMenu = new QMenu(tr("&Select")); + selectMenu->addAction(tr("&Word"), this, SLOT(selectWord())); + selectMenu->addAction(tr("&Line"), this, SLOT(selectLine())); + selectMenu->addAction(tr("&Block"), this, SLOT(selectBlock())); + selectMenu->addAction(tr("&Frame"), this, SLOT(selectFrame())); + + menuBar()->addMenu(fileMenu); + menuBar()->addMenu(editMenu); + menuBar()->addMenu(selectMenu); + + 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(QFile::ReadOnly)) { + editor->setHtml(QString(file.readAll())); + file.close(); + currentFile = fileName; + } + } else if (info.completeSuffix() == "txt") { + QFile file(fileName); + + if (file.open(QFile::ReadOnly)) { + editor->setPlainText(file.readAll()); + file.close(); + currentFile = fileName; + } + } + } +} + +void MainWindow::cutSelection() +{ + QTextCursor cursor = editor->textCursor(); + if (cursor.hasSelection()) { + selection = cursor.selection(); + cursor.removeSelectedText(); + } +} + +void MainWindow::copySelection() +{ + QTextCursor cursor = editor->textCursor(); + if (cursor.hasSelection()) { + selection = cursor.selection(); + cursor.clearSelection(); + } +} + +void MainWindow::pasteSelection() +{ + QTextCursor cursor = editor->textCursor(); + cursor.insertFragment(selection); +} + +void MainWindow::selectWord() +{ + QTextCursor cursor = editor->textCursor(); + QTextBlock block = cursor.block(); + +//! [0] + cursor.beginEditBlock(); +//! [1] + cursor.movePosition(QTextCursor::StartOfWord); + cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor); +//! [1] + cursor.endEditBlock(); +//! [0] + + editor->setTextCursor(cursor); +} + +void MainWindow::selectLine() +{ + QTextCursor cursor = editor->textCursor(); + QTextBlock block = cursor.block(); + + cursor.beginEditBlock(); + cursor.movePosition(QTextCursor::StartOfLine); + cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor); + cursor.endEditBlock(); + + editor->setTextCursor(cursor); +} + +void MainWindow::selectBlock() +{ + QTextCursor cursor = editor->textCursor(); + QTextBlock block = cursor.block(); + + cursor.beginEditBlock(); + cursor.movePosition(QTextCursor::StartOfBlock); + cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor); + cursor.endEditBlock(); + + editor->setTextCursor(cursor); +} + +void MainWindow::selectFrame() +{ + QTextCursor cursor = editor->textCursor(); + QTextFrame *frame = cursor.currentFrame(); + + cursor.beginEditBlock(); + cursor.setPosition(frame->firstPosition()); + cursor.setPosition(frame->lastPosition(), QTextCursor::KeepAnchor); + cursor.endEditBlock(); + + editor->setTextCursor(cursor); +} + +void MainWindow::updateMenus() +{ + QTextCursor cursor = editor->textCursor(); + cutAction->setEnabled(cursor.hasSelection()); + copyAction->setEnabled(cursor.hasSelection()); + + pasteAction->setEnabled(!selection.isEmpty()); +} |