forked from qt-creator/qt-creator
8295b503be
Change-Id: I3c22ef2685d7aa589f5d0ab74d693653a4c32082 Reviewed-by: Alessandro Portale <alessandro.portale@digia.com>
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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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 Digia. For licensing terms and
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** conditions see http://www.qt.io/licensing. For further information
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** use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include "circularclipboard.h"
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using namespace TextEditor::Internal;
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static const int kMaxSize = 10;
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CircularClipboard::CircularClipboard()
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: m_current(-1)
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{}
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CircularClipboard::~CircularClipboard()
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{
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}
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CircularClipboard *CircularClipboard::instance()
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{
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static CircularClipboard clipboard;
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return &clipboard;
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}
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void CircularClipboard::collect(const QMimeData *mimeData)
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{
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collect(QSharedPointer<const QMimeData>(mimeData));
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}
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void CircularClipboard::collect(const QSharedPointer<const QMimeData> &mimeData)
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{
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//Avoid duplicates
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const QString text = mimeData->text();
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for (QList< QSharedPointer<const QMimeData> >::iterator i = m_items.begin(); i != m_items.end(); ++i) {
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if (mimeData == *i || text == (*i)->text()) {
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m_items.erase(i);
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break;
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}
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}
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if (m_items.size() >= kMaxSize)
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m_items.removeLast();
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m_items.prepend(mimeData);
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}
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QSharedPointer<const QMimeData> CircularClipboard::next() const
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{
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if (m_items.isEmpty())
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return QSharedPointer<const QMimeData>();
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if (m_current == m_items.length() - 1)
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m_current = 0;
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else
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++m_current;
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return m_items.at(m_current);
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}
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void CircularClipboard::toLastCollect()
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{
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m_current = -1;
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}
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int CircularClipboard::size() const
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{
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return m_items.size();
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}
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