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/****************************************************************************
**
** 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.
**
****************************************************************************/
#include "emacskeysstate.h"
#include <QTextCursor>
#include <QPlainTextEdit>
namespace EmacsKeys {
namespace Internal {
//---------------------------------------------------------------------------
// EmacsKeysState
//---------------------------------------------------------------------------
EmacsKeysState::EmacsKeysState(QPlainTextEdit *edit):
m_ignore3rdParty(false),
m_mark(-1),
m_lastAction(KeysAction3rdParty),
m_editorWidget(edit)
{
connect(edit, &QPlainTextEdit::cursorPositionChanged,
this, &EmacsKeysState::cursorPositionChanged);
connect(edit, &QPlainTextEdit::textChanged,
this, &EmacsKeysState::textChanged);
connect(edit, &QPlainTextEdit::selectionChanged,
this, &EmacsKeysState::selectionChanged);
}
EmacsKeysState::~EmacsKeysState() {}
void EmacsKeysState::setLastAction(EmacsKeysAction action)
{
if (m_mark != -1) {
// this code can be triggered only by 3rd party actions
beginOwnAction();
QTextCursor cursor = m_editorWidget->textCursor();
cursor.clearSelection();
m_editorWidget->setTextCursor(cursor);
m_mark = -1;
endOwnAction(action);
} else {
m_lastAction = action;
}
}
void EmacsKeysState::cursorPositionChanged() {
if (!m_ignore3rdParty)
setLastAction(KeysAction3rdParty);
}
void EmacsKeysState::textChanged() {
if (!m_ignore3rdParty)
setLastAction(KeysAction3rdParty);
}
void EmacsKeysState::selectionChanged()
{
if (!m_ignore3rdParty)
setLastAction(KeysAction3rdParty);
}
} // namespace Internal
} // namespace EmacsKeys
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