/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt VS Tools.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qrceditor.h"
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#include "undocommands_p.h"
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#include <QtCore/QDebug>
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#include <QtWidgets/QMenu>
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#include <QtWidgets/QFileDialog>
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#include <QtWidgets/QMessageBox>
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using namespace SharedTools;
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QrcEditor::QrcEditor(QWidget *parent)
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: QWidget(parent),
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m_treeview(new ResourceView(&m_history)),
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m_addFileAction(0)
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{
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m_ui.setupUi(this);
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QHBoxLayout *layout = new QHBoxLayout;
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layout->setSpacing(0);
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layout->setMargin(0);
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m_ui.centralWidget->setLayout(layout);
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m_treeview->enableContextMenu(false);
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layout->addWidget(m_treeview);
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connect(m_ui.removeButton, SIGNAL(clicked()), this, SLOT(onRemove()));
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// 'Add' button with menu
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QMenu *addMenu = new QMenu(this);
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m_addFileAction = addMenu->addAction(tr("Add Files"), this, SLOT(onAddFiles()));
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addMenu->addAction(tr("Add Prefix"), this, SLOT(onAddPrefix()));
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m_ui.addButton->setMenu(addMenu);
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connect(m_treeview, SIGNAL(addPrefixTriggered()), this, SLOT(onAddPrefix()));
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connect(m_treeview, SIGNAL(addFilesTriggered(QString)), this, SLOT(onAddFiles()));
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connect(m_treeview, SIGNAL(removeItem()), this, SLOT(onRemove()));
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connect(m_treeview, SIGNAL(currentIndexChanged()), this, SLOT(updateCurrent()));
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connect(m_treeview, SIGNAL(dirtyChanged(bool)), this, SIGNAL(dirtyChanged(bool)));
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m_treeview->setFocus();
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connect(m_ui.aliasText, SIGNAL(textEdited(QString)),
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this, SLOT(onAliasChanged(QString)));
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connect(m_ui.prefixText, SIGNAL(textEdited(QString)),
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this, SLOT(onPrefixChanged(QString)));
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connect(m_ui.languageText, SIGNAL(textEdited(QString)),
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this, SLOT(onLanguageChanged(QString)));
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// Prevent undo command merging after a switch of focus:
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// (0) The initial text is "Green".
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// (1) The user appends " is a color." --> text is "Green is a color."
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// (2) The user clicks into some other line edit --> loss of focus
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// (3) The user gives focuse again and substitutes "Green" with "Red"
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// --> text now is "Red is a color."
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// (4) The user hits undo --> text now is "Green is a color."
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// Without calling advanceMergeId() it would have been "Green", instead.
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connect(m_ui.aliasText, SIGNAL(editingFinished()),
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m_treeview, SLOT(advanceMergeId()));
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connect(m_ui.prefixText, SIGNAL(editingFinished()),
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m_treeview, SLOT(advanceMergeId()));
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connect(m_ui.languageText, SIGNAL(editingFinished()),
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m_treeview, SLOT(advanceMergeId()));
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connect(m_treeview, SIGNAL(addFilesTriggered(const QString&)),
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this, SIGNAL(addFilesTriggered(const QString&)));
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connect(&m_history, SIGNAL(canRedoChanged(bool)), this, SLOT(updateHistoryControls()));
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connect(&m_history, SIGNAL(canUndoChanged(bool)), this, SLOT(updateHistoryControls()));
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updateHistoryControls();
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updateCurrent();
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}
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QrcEditor::~QrcEditor()
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{
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}
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QString QrcEditor::fileName() const
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{
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return m_treeview->fileName();
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}
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void QrcEditor::setFileName(const QString &fileName)
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{
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m_treeview->setFileName(fileName);
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}
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bool QrcEditor::load(const QString &fileName)
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{
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const bool success = m_treeview->load(fileName);
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if (success) {
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// Set "focus"
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m_treeview->setCurrentIndex(m_treeview->model()->index(0,0));
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// Expand prefix nodes
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m_treeview->expandAll();
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}
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return success;
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}
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bool QrcEditor::save()
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{
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return m_treeview->save();
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}
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bool QrcEditor::isDirty()
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{
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return m_treeview->isDirty();
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}
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void QrcEditor::setDirty(bool dirty)
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{
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m_treeview->setDirty(dirty);
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}
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// Propagates a change of selection in the tree
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// to the alias/prefix/language edit controls
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void QrcEditor::updateCurrent()
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{
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const bool isValid = m_treeview->currentIndex().isValid();
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const bool isPrefix = m_treeview->isPrefix(m_treeview->currentIndex()) && isValid;
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const bool isFile = !isPrefix && isValid;
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m_ui.aliasLabel->setEnabled(isFile);
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m_ui.aliasText->setEnabled(isFile);
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m_currentAlias = m_treeview->currentAlias();
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m_ui.aliasText->setText(m_currentAlias);
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m_ui.prefixLabel->setEnabled(isPrefix);
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m_ui.prefixText->setEnabled(isPrefix);
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m_currentPrefix = m_treeview->currentPrefix();
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m_ui.prefixText->setText(m_currentPrefix);
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m_ui.languageLabel->setEnabled(isPrefix);
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m_ui.languageText->setEnabled(isPrefix);
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m_currentLanguage = m_treeview->currentLanguage();
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m_ui.languageText->setText(m_currentLanguage);
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m_ui.urlLabel->setEnabled(isFile);
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m_ui.urlText->setEnabled(isFile);
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if (isFile) {
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QString url = QLatin1String(":");
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url += m_currentPrefix;
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if (!url.endsWith(QLatin1Char('/')))
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url += QLatin1Char('/');
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if (m_currentAlias.isEmpty())
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url += m_treeview->currentIndex().data().toString();
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else
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url += m_currentAlias;
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m_ui.urlText->setText(url);
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} else {
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m_ui.urlText->clear();
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}
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m_ui.addButton->setEnabled(true);
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m_addFileAction->setEnabled(isValid);
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m_ui.removeButton->setEnabled(isValid);
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}
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void QrcEditor::updateHistoryControls()
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{
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emit undoStackChanged(m_history.canUndo(), m_history.canRedo());
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}
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void QrcEditor::resolveLocationIssues(QStringList &files)
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{
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const QDir dir = QFileInfo(m_treeview->fileName()).absoluteDir();
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const QString dotdotSlash = QLatin1String("../");
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int i = 0;
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int count = files.count();
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int initialCount = files.count();
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// Find first troublesome file
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for (; i < count; i++) {
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QString const &file = files.at(i);
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const QString relativePath = dir.relativeFilePath(file);
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if (relativePath.startsWith(dotdotSlash))
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break;
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}
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// All paths fine -> no interaction needed
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if (i == count) {
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return;
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}
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// Interact with user from now on
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bool abort = false;
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for (; i < count; i++) {
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// Path fine -> skip file
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QString const &file = files.at(i);
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QString const relativePath = dir.relativeFilePath(file);
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if (!relativePath.startsWith(dotdotSlash)) {
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continue;
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}
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// Path troublesome and aborted -> remove file
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if (abort) {
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files.removeAt(i);
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count--;
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i--;
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continue;
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} else {
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// Path troublesome -> query user
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QMessageBox message(this);
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message.setWindowTitle(tr("Invalid File Location"));
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message.setIcon(QMessageBox::Warning);
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QPushButton * const copyButton = message.addButton(tr("Copy"), QMessageBox::ActionRole);
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QPushButton * skipButton = NULL;
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if (initialCount > 1)
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{
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skipButton = message.addButton(tr("Skip"), QMessageBox::DestructiveRole);
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message.setEscapeButton(skipButton);
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}
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QPushButton * const abortButton = message.addButton(tr("Abort"), QMessageBox::RejectRole);
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message.setDefaultButton(copyButton);
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message.setText(tr("The file %1 is not in a subdirectory of the resource file. You now have the option to copy this file to a valid location.")
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.arg(QDir::toNativeSeparators(file)));
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message.exec();
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if (message.clickedButton() == skipButton) {
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files.removeAt(i);
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count--;
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i--; // Compensate i++
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} else if (message.clickedButton() == copyButton) {
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const QFileInfo fi(file);
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QFileInfo suggestion;
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QDir tmpTarget(dir.path() + QString(QDir::separator()) + QString("Resources"));;
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if (tmpTarget.exists())
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suggestion.setFile(tmpTarget, fi.fileName());
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else
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suggestion.setFile(dir, fi.fileName());
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const QString copyName = QFileDialog::getSaveFileName(this, tr("Choose copy location"),
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suggestion.absoluteFilePath());
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if (!copyName.isEmpty()) {
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QString relPath = dir.relativeFilePath(copyName);
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if (relPath.startsWith(dotdotSlash)) { // directory is still invalid
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i--; // Compensate i++ and try again
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continue;
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}
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if (QFile::exists(copyName)) {
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if (!QFile::remove(copyName)) {
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QMessageBox::critical(this, tr("Overwrite Failed"),
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tr("Could not overwrite file %1.")
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.arg(QDir::toNativeSeparators(copyName)));
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// Remove file
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files.removeAt(i);
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count--;
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i--; // Compensate i++
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continue;
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}
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}
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if (!QFile::copy(file, copyName)) {
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QMessageBox::critical(this, tr("Copying Failed"),
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tr("Could not copy the file to %1.")
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.arg(QDir::toNativeSeparators(copyName)));
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// Remove file
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files.removeAt(i);
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count--;
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i--; // Compensate i++
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continue;
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}
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files[i] = copyName;
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} else {
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// Remove file
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files.removeAt(i);
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count--;
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i--; // Compensate i++
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}
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} else if (message.clickedButton() == abortButton) {
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abort = true;
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files.removeAt(i);
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count--;
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i--; // Compensate i++
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}
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}
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}
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}
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void QrcEditor::setResourceDragEnabled(bool e)
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{
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m_treeview->setResourceDragEnabled(e);
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}
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bool QrcEditor::resourceDragEnabled() const
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{
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return m_treeview->resourceDragEnabled();
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}
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void QrcEditor::setDefaultAddFileEnabled(bool enable)
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{
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m_treeview->setDefaultAddFileEnabled(enable);
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}
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bool QrcEditor::defaultAddFileEnabled() const
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{
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return m_treeview->defaultAddFileEnabled();
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}
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void QrcEditor::addFile(const QString &prefix, const QString &file)
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{
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// TODO: make this function UNDO / REDO aware
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m_treeview->addFile(prefix, file);
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}
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/*
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void QrcEditor::removeFile(const QString &prefix, const QString &file)
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{
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m_treeview->removeFile(prefix, file);
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}
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*/
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// Slot for change of line edit content 'alias'
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void QrcEditor::onAliasChanged(const QString &alias)
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{
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const QString &before = m_currentAlias;
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const QString &after = alias;
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m_treeview->setCurrentAlias(before, after);
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m_currentAlias = alias;
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updateCurrent();
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updateHistoryControls();
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}
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// Slot for change of line edit content 'prefix'
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void QrcEditor::onPrefixChanged(const QString &prefix)
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{
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const QString &before = m_currentPrefix;
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const QString &after = prefix;
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m_treeview->setCurrentPrefix(before, after);
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m_currentPrefix = prefix;
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updateCurrent();
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updateHistoryControls();
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}
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// Slot for change of line edit content 'language'
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void QrcEditor::onLanguageChanged(const QString &language)
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{
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const QString &before = m_currentLanguage;
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const QString &after = language;
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m_treeview->setCurrentLanguage(before, after);
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m_currentLanguage = language;
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updateHistoryControls();
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}
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// Slot for 'Remove' button
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void QrcEditor::onRemove()
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{
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// Find current item, push and execute command
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const QModelIndex current = m_treeview->currentIndex();
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int afterDeletionArrayIndex = current.row();
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QModelIndex afterDeletionParent = current.parent();
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m_treeview->findSamePlacePostDeletionModelIndex(afterDeletionArrayIndex, afterDeletionParent);
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QUndoCommand * const removeCommand = new RemoveEntryCommand(m_treeview, current);
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m_history.push(removeCommand);
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const QModelIndex afterDeletionModelIndex
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= m_treeview->model()->index(afterDeletionArrayIndex, 0, afterDeletionParent);
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m_treeview->setCurrentIndex(afterDeletionModelIndex);
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updateHistoryControls();
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}
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// Slot for 'Add File' button
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void QrcEditor::onAddFiles()
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{
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QModelIndex const current = m_treeview->currentIndex();
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int const currentIsPrefixNode = m_treeview->isPrefix(current);
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int const prefixArrayIndex = currentIsPrefixNode ? current.row()
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: m_treeview->model()->parent(current).row();
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int const cursorFileArrayIndex = currentIsPrefixNode ? 0 : current.row();
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QStringList fileNames = m_treeview->fileNamesToAdd();
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resolveLocationIssues(fileNames);
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if (fileNames.isEmpty())
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return;
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QUndoCommand * const addFilesCommand = new AddFilesCommand(
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m_treeview, prefixArrayIndex, cursorFileArrayIndex, fileNames);
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m_history.push(addFilesCommand);
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updateHistoryControls();
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}
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// Slot for 'Add Prefix' button
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void QrcEditor::onAddPrefix()
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{
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QUndoCommand * const addEmptyPrefixCommand = new AddEmptyPrefixCommand(m_treeview);
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m_history.push(addEmptyPrefixCommand);
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updateHistoryControls();
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}
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// Slot for 'Undo' button
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void QrcEditor::onUndo()
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{
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m_history.undo();
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updateCurrent();
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updateHistoryControls();
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}
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// Slot for 'Redo' button
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void QrcEditor::onRedo()
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{
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m_history.redo();
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updateCurrent();
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updateHistoryControls();
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}
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