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/***************************************************************************
* Copyright (C) 2008-2014 by Andrzej Rybczak *
* electricityispower@gmail.com *
* *
* 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. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef NCMPCPP_SEARCH_ENGINE_H
#define NCMPCPP_SEARCH_ENGINE_H
#include <cassert>
#include "interfaces.h"
#include "mpdpp.h"
#include "regex_filter.h"
#include "screen.h"
#include "song_list.h"
struct SEItem
{
SEItem() : m_is_song(false), m_buffer(0) { }
SEItem(NC::Buffer *buf) : m_is_song(false), m_buffer(buf) { }
SEItem(const MPD::Song &s) : m_is_song(true), m_song(s) { }
SEItem(const SEItem &ei) { *this = ei; }
~SEItem() {
if (!m_is_song)
delete m_buffer;
}
NC::Buffer &mkBuffer() {
assert(!m_is_song);
delete m_buffer;
m_buffer = new NC::Buffer();
return *m_buffer;
}
bool isSong() const { return m_is_song; }
NC::Buffer &buffer() { assert(!m_is_song && m_buffer); return *m_buffer; }
MPD::Song &song() { assert(m_is_song); return m_song; }
const NC::Buffer &buffer() const { assert(!m_is_song && m_buffer); return *m_buffer; }
const MPD::Song &song() const { assert(m_is_song); return m_song; }
SEItem &operator=(const SEItem &se) {
if (this == &se)
return *this;
m_is_song = se.m_is_song;
if (se.m_is_song)
m_song = se.m_song;
else if (se.m_buffer)
m_buffer = new NC::Buffer(*se.m_buffer);
else
m_buffer = 0;
return *this;
}
private:
bool m_is_song;
NC::Buffer *m_buffer;
MPD::Song m_song;
};
struct SearchEngineWindow: NC::Menu<SEItem>, SongList
{
SearchEngineWindow() { }
SearchEngineWindow(NC::Menu<SEItem> &&base)
: NC::Menu<SEItem>(std::move(base)) { }
virtual SongIterator currentS() OVERRIDE;
virtual ConstSongIterator currentS() const OVERRIDE;
virtual SongIterator beginS() OVERRIDE;
virtual ConstSongIterator beginS() const OVERRIDE;
virtual SongIterator endS() OVERRIDE;
virtual ConstSongIterator endS() const OVERRIDE;
virtual std::vector<MPD::Song> getSelectedSongs() OVERRIDE;
};
struct SearchEngine: Screen<SearchEngineWindow>, HasActions, HasSongs, Searchable, Tabbable
{
SearchEngine();
// Screen<SearchEngineWindow> implementation
virtual void resize() OVERRIDE;
virtual void switchTo() OVERRIDE;
virtual std::wstring title() OVERRIDE;
virtual ScreenType type() OVERRIDE { return ScreenType::SearchEngine; }
virtual void update() OVERRIDE { }
virtual void mouseButtonPressed(MEVENT me) OVERRIDE;
virtual bool isLockable() OVERRIDE { return true; }
virtual bool isMergable() OVERRIDE { return true; }
// Searchable implementation
virtual bool allowsSearching() OVERRIDE;
virtual void setSearchConstraint(const std::string &constraint) OVERRIDE;
virtual void clearConstraint() OVERRIDE;
virtual bool find(SearchDirection direction, bool wrap, bool skip_current) OVERRIDE;
// HasActions implementation
virtual bool actionRunnable() OVERRIDE;
virtual void runAction() OVERRIDE;
// HasSongs implementation
virtual bool itemAvailable() OVERRIDE;
virtual bool addItemToPlaylist(bool play) OVERRIDE;
virtual std::vector<MPD::Song> getSelectedSongs() OVERRIDE;
// private members
void reset();
static size_t StaticOptions;
static size_t SearchButton;
static size_t ResetButton;
private:
void Prepare();
void Search();
Regex::ItemFilter<SEItem> m_search_predicate;
const char **SearchMode;
static const char *SearchModes[];
static const size_t ConstraintsNumber = 11;
static const char *ConstraintsNames[];
std::string itsConstraints[ConstraintsNumber];
static bool MatchToPattern;
};
extern SearchEngine *mySearcher;
#endif // NCMPCPP_SEARCH_ENGINE_H
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