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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include "mainwindow.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
fileMenu->addAction(tr("E&xit"), this, SLOT(close()),
QKeySequence(tr("Ctrl+Q", "File|Exit")));
QMenu *editMenu = new QMenu(tr("&Edit"));
cutAction = editMenu->addAction(tr("Cu&t"), this, SLOT(cutSelection()),
QKeySequence(tr("Ctrl+X", "Edit|Cut")));
copyAction = editMenu->addAction(tr("&Copy"), this, SLOT(copySelection()),
QKeySequence(tr("Ctrl+C", "Edit|Copy")));
pasteAction = editMenu->addAction(tr("&Paste"), this,
SLOT(pasteSelection()), QKeySequence(tr("Ctrl+V", "Edit|Paste")));
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()));
QMenu *insertMenu = new QMenu(tr("&Insert"));
insertMenu->addAction(tr("&List"), this, SLOT(insertList()),
QKeySequence(tr("Ctrl+L", "Insert|List")));
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(editMenu);
menuBar()->addMenu(selectMenu);
menuBar()->addMenu(insertMenu);
editor = new QTextEdit(this);
document = new QTextDocument(this);
editor->setDocument(document);
connect(editor, SIGNAL(selectionChanged()), this, SLOT(updateMenus()));
updateMenus();
setCentralWidget(editor);
setWindowTitle(tr("Text Document Writer"));
}
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();
cursor.beginEditBlock();
cursor.movePosition(QTextCursor::StartOfWord);
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
cursor.endEditBlock();
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::insertList()
{
QTextCursor cursor = editor->textCursor();
cursor.beginEditBlock();
QTextList *list = cursor.currentList();
//! [0]
QTextListFormat listFormat;
if (list) {
listFormat = list->format();
listFormat.setIndent(listFormat.indent() + 1);
}
listFormat.setStyle(QTextListFormat::ListDisc);
cursor.insertList(listFormat);
//! [0]
cursor.endEditBlock();
}
void MainWindow::updateMenus()
{
QTextCursor cursor = editor->textCursor();
cutAction->setEnabled(cursor.hasSelection());
copyAction->setEnabled(cursor.hasSelection());
pasteAction->setEnabled(!selection.isEmpty());
}
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