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buffers.h
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buffers.h
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/*******************************************************************************
* Copyright (c) 2013, Hugues Luc Bruant <hugues@qcodeedit.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
******************************************************************************/
#ifndef BUFFERS_H_
#define BUFFERS_H_
#include <qce-config.h>
#include <QAbstractListModel>
#include <QHash>
#include <QString>
class Buffer;
namespace qce {
class Editor;
class Document;
};
/*!
* \class Buffers
* \brief Manages open buffers
*/
class Buffers : public QAbstractListModel {
Q_OBJECT
public:
// extra data roles offered through the model API
enum Roles {
PathRole = Qt::UserRole, //!< string: absolute path
ModificationRole, //!< bool: is the buffer modified?
OpenViewsRole, //!< int: number of views
};
Buffers(QObject *p = 0);
~Buffers();
QStringList fileNames() const;
QString create();
qce::Editor* acquire(const QString& fileName);
bool isUntitled(const qce::Editor *const e) const;
// model api
QModelIndex indexForName(const QString& name) const;
virtual int rowCount(const QModelIndex& parent) const;
virtual QVariant data(const QModelIndex& index, int role) const;
virtual Qt::ItemFlags flags(const QModelIndex& index) const;
virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const;
public slots:
void load(const QString& fileName);
void close(const QString& fileName);
void release(qce::Editor *editor);
signals:
void closeRequested(qce::Editor *e);
private slots:
void editorOpened(qce::Editor *e);
void cleanChanged(bool clean);
void fileNameChanged(QString oldFileName, QString newFileName);
private:
Buffer* createBuffer(QString name);
void close(int idx);
void emitDataChanged(int idx);
quint64 m_untitled;
// alphabetically sorted by fileName
QList<Buffer*> m_buffers;
QMap<qce::PanelPosition, QStringList> m_panelLayout;
};
#endif // BUFFERS_H_