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/**************************************************************************
**
** Copyright (c) nsf <no.smile.face@gmail.com>
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef EMACSKEYSSTATE_H
#define EMACSKEYSSTATE_H
#include <QObject>
QT_FORWARD_DECLARE_CLASS(QPlainTextEdit)
namespace EmacsKeys {
namespace Internal {
enum EmacsKeysAction {
KeysAction3rdParty,
KeysActionKillWord,
KeysActionKillLine,
KeysActionOther,
};
class EmacsKeysState : public QObject
{
Q_OBJECT
public:
EmacsKeysState(QPlainTextEdit *edit);
~EmacsKeysState();
void setLastAction(EmacsKeysAction action);
void beginOwnAction() { m_ignore3rdParty = true; }
void endOwnAction(EmacsKeysAction action) {
m_ignore3rdParty = false;
m_lastAction = action;
}
EmacsKeysAction lastAction() const { return m_lastAction; }
int mark() const { return m_mark; }
void setMark(int mark) { m_mark = mark; }
private slots:
void cursorPositionChanged();
void textChanged();
void selectionChanged();
private:
bool m_ignore3rdParty;
int m_mark;
EmacsKeysAction m_lastAction;
QPlainTextEdit *m_editorWidget;
};
} // namespace Internal
} // namespace EmacsKeys
#endif // EMACSKEYSSTATE_H
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