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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006 Chris Cannam.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#ifndef _RECENT_FILES_H_
#define _RECENT_FILES_H_
#include <QObject>
#include <QString>
#include <vector>
#include <deque>
/**
* RecentFiles manages a list of the names of recently-used objects,
* saving and restoring that list via QSettings. The names do not
* actually have to refer to files.
*/
class RecentFiles : public QObject
{
Q_OBJECT
public:
/**
* Construct a RecentFiles object that saves and restores in the
* given QSettings group and truncates when the given count of
* strings is reached.
*/
RecentFiles(QString settingsGroup = "RecentFiles", int maxCount = 10);
virtual ~RecentFiles();
QString getSettingsGroup() const { return m_settingsGroup; }
int getMaxCount() const { return m_maxCount; }
std::vector<QString> getRecent() const;
/**
* Add a name that should be treated as a literal string.
*/
void add(QString name);
/**
* Add a name that is known to be either a file path or a URL. If
* it looks like a URL, add it literally; otherwise treat it as a
* file path and canonicalise it appropriately. Also takes into
* account the user preference for whether to include temporary
* files in the recent files menu: the file will not be added if
* the preference is set and the file appears to be a temporary
* one.
*/
void addFile(QString name);
signals:
void recentChanged();
protected:
QString m_settingsGroup;
int m_maxCount;
std::deque<QString> m_names;
void read();
void write();
void truncateAndWrite();
};
#endif
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