53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version, but always including the *additional*
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// restrictions defined in the "License.txt" file.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// http://www.gnu.org/licenses/gpl-2.0.txt
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///////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include <QFileSystemModel>
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#include <QMutex>
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class QFileIconProviderEx;
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class QFileSystemModelEx : public QFileSystemModel
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{
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public:
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QFileSystemModelEx();
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~QFileSystemModelEx();
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virtual bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
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virtual void fetchMore(const QModelIndex &parent);
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virtual QModelIndex index(const QString &path, int column = 0) const;
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virtual void flushCache(void);
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private:
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QFileIconProviderEx *m_myIconProvider;
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static QHash<const QString, bool> s_hasSubfolderCache;
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static QMutex s_hasSubfolderMutex;
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static int s_findFirstFileExInfoLevel;
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static bool hasSubfolders(const QString &path);
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static bool hasSubfoldersCached(const QString &path);
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static void removeFromCache(const QString &path);
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static void removeAllFromCache(void);
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};
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