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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#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() = default;
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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