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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#ifndef CPPLOCALRENAMING
#define CPPLOCALRENAMING
#include <texteditor/texteditorconstants.h>
#include <QTextEdit>
namespace TextEditor { class TextEditorWidget; }
namespace CppEditor {
namespace Internal {
class CppLocalRenaming : public QObject
{
Q_OBJECT
Q_DISABLE_COPY(CppLocalRenaming)
public:
explicit CppLocalRenaming(TextEditor::TextEditorWidget *editorWidget);
bool start();
bool isActive() const;
void stop();
// Delegates for the editor widget
bool handlePaste();
bool handleCut();
bool handleSelectAll();
// E.g. limit navigation keys to selection, stop() on Esc/Return or delegate
// to BaseTextEditorWidget::keyPressEvent()
bool handleKeyPressEvent(QKeyEvent *e);
bool encourageApply();
void onContentsChangeOfEditorWidgetDocument(int position, int charsRemoved, int charsAdded);
void updateSelectionsForVariableUnderCursor(const QList<QTextEdit::ExtraSelection> &selections);
bool isSameSelection(int cursorPosition) const;
signals:
void finished();
void processKeyPressNormally(QKeyEvent *e);
private:
CppLocalRenaming();
// The "rename selection" is the local use selection on which the user started the renaming
bool findRenameSelection(int cursorPosition);
void forgetRenamingSelection();
static bool isWithinSelection(const QTextEdit::ExtraSelection &selection, int position);
bool isWithinRenameSelection(int position);
QTextEdit::ExtraSelection &renameSelection();
int renameSelectionBegin() { return renameSelection().cursor.selectionStart(); }
int renameSelectionEnd() { return renameSelection().cursor.selectionEnd(); }
void updateRenamingSelectionCursor(const QTextCursor &cursor);
void updateRenamingSelectionFormat(const QTextCharFormat &format);
void changeOtherSelectionsText(const QString &text);
void startRenameChange();
void finishRenameChange();
void updateEditorWidgetWithSelections();
QTextCharFormat textCharFormat(TextEditor::TextStyle category) const;
private:
TextEditor::TextEditorWidget *m_editorWidget;
QList<QTextEdit::ExtraSelection> m_selections;
int m_renameSelectionIndex;
bool m_modifyingSelections;
bool m_renameSelectionChanged;
bool m_firstRenameChangeExpected;
};
} // namespace Internal
} // namespace CppEditor
#endif // CPPLOCALRENAMING
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