141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2012 by Andrzej Rybczak *
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* electricityispower@gmail.com *
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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. *
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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 *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef _SEARCH_ENGINE_H
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#define _SEARCH_ENGINE_H
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#include <cassert>
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#include "interfaces.h"
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#include "mpdpp.h"
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#include "screen.h"
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struct SEItem
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{
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SEItem() : isThisSong(false), itsBuffer(0) { }
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SEItem(NC::Buffer *buf) : isThisSong(false), itsBuffer(buf) { }
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SEItem(const MPD::Song &s) : isThisSong(true), itsSong(s) { }
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SEItem(const SEItem &ei) { *this = ei; }
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~SEItem() {
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if (!isThisSong)
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delete itsBuffer;
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}
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NC::Buffer &mkBuffer() {
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assert(!isThisSong);
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delete itsBuffer;
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itsBuffer = new NC::Buffer();
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return *itsBuffer;
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}
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bool isSong() const { return isThisSong; }
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NC::Buffer &buffer() { assert(!isThisSong && itsBuffer); return *itsBuffer; }
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MPD::Song &song() { assert(isThisSong); return itsSong; }
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const NC::Buffer &buffer() const { assert(!isThisSong && itsBuffer); return *itsBuffer; }
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const MPD::Song &song() const { assert(isThisSong); return itsSong; }
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SEItem &operator=(const SEItem &se) {
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if (this == &se)
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return *this;
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isThisSong = se.isThisSong;
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if (se.isThisSong)
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itsSong = se.itsSong;
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else if (se.itsBuffer)
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itsBuffer = new NC::Buffer(*se.itsBuffer);
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else
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itsBuffer = 0;
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return *this;
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}
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private:
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bool isThisSong;
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NC::Buffer *itsBuffer;
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MPD::Song itsSong;
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};
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struct SearchEngine : public Screen< NC::Menu<SEItem> >, public Filterable, public HasSongs, public Searchable
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{
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// Screen< NC::Menu<SEItem> > implementation
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virtual void resize() OVERRIDE;
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virtual void switchTo() OVERRIDE;
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virtual std::wstring title() OVERRIDE;
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virtual void update() OVERRIDE { }
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virtual void enterPressed() OVERRIDE;
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virtual void spacePressed() OVERRIDE;
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virtual void mouseButtonPressed(MEVENT me) OVERRIDE;
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virtual bool isTabbable() OVERRIDE { return true; }
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virtual bool isMergable() OVERRIDE { return true; }
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// Filterable implementation
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virtual bool allowsFiltering() OVERRIDE;
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virtual std::string currentFilter() OVERRIDE;
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virtual void applyFilter(const std::string &filter) OVERRIDE;
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// Searchable implementation
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virtual bool allowsSearching() OVERRIDE;
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virtual bool search(const std::string &constraint) OVERRIDE;
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virtual void nextFound(bool wrap) OVERRIDE;
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virtual void prevFound(bool wrap) OVERRIDE;
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// HasSongs implementation
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virtual std::shared_ptr<ProxySongList> getProxySongList() OVERRIDE;
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virtual bool allowsSelection() OVERRIDE;
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virtual void reverseSelection() OVERRIDE;
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virtual MPD::SongList getSelectedSongs() OVERRIDE;
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// private members
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static size_t StaticOptions;
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static size_t SearchButton;
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static size_t ResetButton;
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protected:
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virtual void init() OVERRIDE;
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virtual bool isLockable() OVERRIDE { return true; }
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private:
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void Prepare();
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void Search();
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void reset();
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const char **SearchMode;
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static const char *SearchModes[];
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static const size_t ConstraintsNumber = 11;
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static const char *ConstraintsNames[];
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std::string itsConstraints[ConstraintsNumber];
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static bool MatchToPattern;
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};
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extern SearchEngine *mySearcher;
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#endif
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