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diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/textdocument-selections/mainwindow.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/textdocument-selections/mainwindow.cpp
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--- a/sources/pyside2/doc/codesnippets/doc/src/snippets/textdocument-selections/mainwindow.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples of Qt for Python.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, 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 The Qt Company Ltd 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 <QtWidgets>
-
-#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());
-}