611 lines
17 KiB
C++
611 lines
17 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2010 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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#include <iomanip>
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#include "display.h"
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#include "global.h"
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#include "helpers.h"
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#include "playlist.h"
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#include "search_engine.h"
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#include "settings.h"
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#include "status.h"
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using Global::MainHeight;
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using Global::MainStartY;
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SearchEngine *mySearcher = new SearchEngine;
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const char *SearchEngine::ConstraintsNames[] =
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{
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"Any:",
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"Artist:",
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"Title:",
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"Album:",
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"Filename:",
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"Composer:",
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"Performer:",
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"Genre:",
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"Year:",
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"Comment:"
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};
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const char *SearchEngine::SearchModes[] =
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{
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"Match if tag contains searched phrase (no regexes)",
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"Match if tag contains searched phrase (regexes supported)",
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"Match only if both values are the same",
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0
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};
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size_t SearchEngine::StaticOptions = 19;
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size_t SearchEngine::ResetButton = 15;
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size_t SearchEngine::SearchButton = 14;
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void SearchEngine::Init()
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{
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static Display::ScreenFormat sf = { this, &Config.song_list_format };
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w = new Menu< std::pair<Buffer *, MPD::Song *> >(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
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w->HighlightColor(Config.main_highlight_color);
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w->CyclicScrolling(Config.use_cyclic_scrolling);
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w->CenteredCursor(Config.centered_cursor);
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w->SetItemDisplayer(Display::SearchEngine);
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w->SetItemDisplayerUserData(&sf);
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w->SetSelectPrefix(&Config.selected_item_prefix);
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w->SetSelectSuffix(&Config.selected_item_suffix);
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w->SetGetStringFunction(SearchEngineOptionToString);
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SearchMode = &SearchModes[Config.search_engine_default_search_mode];
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isInitialized = 1;
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}
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void SearchEngine::Resize()
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{
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w->Resize(COLS, MainHeight);
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w->MoveTo(0, MainStartY);
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hasToBeResized = 0;
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}
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void SearchEngine::SwitchTo()
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{
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using Global::myScreen;
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if (myScreen == this)
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{
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Reset();
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return;
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}
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if (!isInitialized)
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Init();
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if (hasToBeResized)
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Resize();
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if (w->Empty())
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Prepare();
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if (myScreen != this && myScreen->isTabbable())
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Global::myPrevScreen = myScreen;
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myScreen = this;
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Global::RedrawHeader = 1;
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if (!w->Back().first)
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{
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*w << XY(0, 0) << "Updating list...";
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UpdateFoundList();
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}
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}
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std::basic_string<my_char_t> SearchEngine::Title()
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{
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return U("Search engine");
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}
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void SearchEngine::EnterPressed()
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{
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size_t option = w->Choice();
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if (option > ConstraintsNumber && option < SearchButton)
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w->Current().first->Clear();
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if (option < SearchButton)
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LockStatusbar();
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if (option < ConstraintsNumber)
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{
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Statusbar() << fmtBold << ConstraintsNames[option] << fmtBoldEnd << ' ';
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itsConstraints[option] = Global::wFooter->GetString(itsConstraints[option]);
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w->Current().first->Clear();
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*w->Current().first << fmtBold << std::setw(10) << std::left << ConstraintsNames[option] << fmtBoldEnd << ' ';
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ShowTag(*w->Current().first, itsConstraints[option]);
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}
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else if (option == ConstraintsNumber+1)
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{
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Config.search_in_db = !Config.search_in_db;
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*w->Current().first << fmtBold << "Search in:" << fmtBoldEnd << ' ' << (Config.search_in_db ? "Database" : "Current playlist");
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}
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else if (option == ConstraintsNumber+2)
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{
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if (!*++SearchMode)
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SearchMode = &SearchModes[0];
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*w->Current().first << fmtBold << "Search mode:" << fmtBoldEnd << ' ' << *SearchMode;
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}
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else if (option == SearchButton)
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{
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ShowMessage("Searching...");
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if (w->Size() > StaticOptions)
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Prepare();
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Search();
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if (!w->Back().first)
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{
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if (Config.columns_in_search_engine)
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w->SetTitle(Config.titles_visibility ? Display::Columns() : "");
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size_t found = w->Size()-SearchEngine::StaticOptions;
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found += 3; // don't count options inserted below
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w->InsertSeparator(ResetButton+1);
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w->InsertOption(ResetButton+2, std::make_pair(static_cast<Buffer *>(0), static_cast<MPD::Song *>(0)), 1, 1);
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w->at(ResetButton+2).first = new Buffer();
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*w->at(ResetButton+2).first << Config.color1 << "Search results: " << Config.color2 << "Found " << found << (found > 1 ? " songs" : " song") << clDefault;
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w->InsertSeparator(ResetButton+3);
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UpdateFoundList();
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ShowMessage("Searching finished!");
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if (Config.block_search_constraints_change)
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for (size_t i = 0; i < StaticOptions-4; ++i)
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w->Static(i, 1);
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w->Scroll(wDown);
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w->Scroll(wDown);
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}
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else
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ShowMessage("No results found");
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}
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else if (option == ResetButton)
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{
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Reset();
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}
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else
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w->Bold(w->Choice(), myPlaylist->Add(*w->Current().second, w->isBold(), 1));
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if (option < SearchButton)
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UnlockStatusbar();
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}
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void SearchEngine::SpacePressed()
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{
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if (w->Current().first)
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return;
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if (Config.space_selects)
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{
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w->Select(w->Choice(), !w->isSelected());
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w->Scroll(wDown);
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return;
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}
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w->Bold(w->Choice(), myPlaylist->Add(*w->Current().second, w->isBold(), 0));
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w->Scroll(wDown);
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}
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void SearchEngine::MouseButtonPressed(MEVENT me)
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{
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if (w->Empty() || !w->hasCoords(me.x, me.y) || size_t(me.y) >= w->Size())
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return;
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if (me.bstate & (BUTTON1_PRESSED | BUTTON3_PRESSED))
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{
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if (!w->Goto(me.y))
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return;
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w->Refresh();
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if ((me.bstate & BUTTON3_PRESSED || w->Choice() > ConstraintsNumber) && w->Choice() < StaticOptions)
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EnterPressed();
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else if (w->Choice() >= StaticOptions)
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{
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if (me.bstate & BUTTON1_PRESSED)
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{
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size_t pos = w->Choice();
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SpacePressed();
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if (pos < w->Size()-1)
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w->Scroll(wUp);
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}
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else
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EnterPressed();
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}
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}
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else
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Screen< Menu< std::pair<Buffer *, MPD::Song *> > >::MouseButtonPressed(me);
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}
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MPD::Song *SearchEngine::CurrentSong()
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{
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return !w->Empty() ? w->Current().second : 0;
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}
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void SearchEngine::GetSelectedSongs(MPD::SongList &v)
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{
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if (w->Empty())
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return;
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std::vector<size_t> selected;
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w->GetSelected(selected);
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if (selected.empty() && w->Choice() >= StaticOptions)
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selected.push_back(w->Choice());
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for (std::vector<size_t>::const_iterator it = selected.begin(); it != selected.end(); ++it)
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v.push_back(new MPD::Song(*w->at(*it).second));
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}
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void SearchEngine::ApplyFilter(const std::string &s)
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{
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w->ApplyFilter(s, StaticOptions, REG_ICASE | Config.regex_type);
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}
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void SearchEngine::UpdateFoundList()
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{
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bool bold = 0;
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for (size_t i = StaticOptions; i < w->Size(); ++i)
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{
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for (size_t j = 0; j < myPlaylist->Items->Size(); ++j)
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{
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if (myPlaylist->Items->at(j).GetHash() == w->at(i).second->GetHash())
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{
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bold = 1;
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break;
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}
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}
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w->Bold(i, bold);
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bold = 0;
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}
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}
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void SearchEngine::Scroll(int input)
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{
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size_t pos = w->Choice();
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// above the reset button
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if (pos < ResetButton)
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{
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if (Keypressed(input, Key.UpAlbum) || Keypressed(input, Key.UpArtist))
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w->Highlight(0);
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else if (Keypressed(input, Key.DownAlbum) || Keypressed(input, Key.DownArtist))
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w->Highlight(ResetButton);
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}
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// reset button
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else if (pos == ResetButton)
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{
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if (Keypressed(input, Key.UpAlbum) || Keypressed(input, Key.UpArtist))
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w->Highlight(0);
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else if (Keypressed(input, Key.DownAlbum) || Keypressed(input, Key.DownArtist))
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w->Highlight(StaticOptions); // first search result
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}
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// we are in the search results at this point
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else if (pos >= StaticOptions)
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{
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if (Keypressed(input, Key.UpAlbum))
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{
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if (pos == StaticOptions)
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{
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w->Highlight(ResetButton);
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return;
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}
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else
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{
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std::string album = w->at(pos).second->GetAlbum();
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while (pos > StaticOptions)
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if (w->at(--pos).second->GetAlbum() != album)
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break;
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}
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}
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else if (Keypressed(input, Key.DownAlbum))
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{
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std::string album = w->at(pos).second->GetAlbum();
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while (pos < w->Size() - 1)
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if (w->at(++pos).second->GetAlbum() != album)
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break;
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}
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else if (Keypressed(input, Key.UpArtist))
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{
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if (pos == StaticOptions)
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{
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w->Highlight(0);
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return;
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}
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else
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{
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std::string artist = w->at(pos).second->GetArtist();
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while (pos > StaticOptions)
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if (w->at(--pos).second->GetArtist() != artist)
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break;
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}
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}
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else if (Keypressed(input, Key.DownArtist))
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{
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std::string artist = w->at(pos).second->GetArtist();
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while (pos < w->Size() - 1)
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if (w->at(++pos).second->GetArtist() != artist)
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break;
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}
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w->Highlight(pos);
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}
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}
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void SearchEngine::SelectAlbum()
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{
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size_t pos = w->Choice();
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if (pos < StaticOptions)
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return; // not on a song
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std::string album = w->at(pos).second->GetAlbum();
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// select song under cursor
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w->Select(pos, 1);
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// go up
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while (pos > StaticOptions)
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{
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if (w->at(--pos).second->GetAlbum() != album)
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break;
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else
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w->Select(pos, 1);
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}
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// go down
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while (pos < w->Size() - 1)
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{
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if (w->at(++pos).second->GetAlbum() != album)
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break;
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else
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w->Select(pos, 1);
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}
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}
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void SearchEngine::Prepare()
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{
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for (size_t i = 0; i < w->Size(); ++i)
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{
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if (i == ConstraintsNumber || i == SearchButton-1 || i == ResetButton+1 || i == ResetButton+3) // separators
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continue;
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delete (*w)[i].first;
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delete (*w)[i].second;
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}
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w->SetTitle("");
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w->Clear();
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w->ResizeList(StaticOptions-3);
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w->IntoSeparator(ConstraintsNumber);
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w->IntoSeparator(SearchButton-1);
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for (size_t i = 0; i < StaticOptions-3; ++i)
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{
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if (i == ConstraintsNumber || i == SearchButton-1) // separators
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continue;
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(*w)[i].first = new Buffer();
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}
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for (size_t i = 0; i < ConstraintsNumber; ++i)
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{
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*(*w)[i].first << fmtBold << std::setw(10) << std::left << ConstraintsNames[i] << fmtBoldEnd << ' ';
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ShowTag(*(*w)[i].first, itsConstraints[i]);
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}
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*w->at(ConstraintsNumber+1).first << fmtBold << "Search in:" << fmtBoldEnd << ' ' << (Config.search_in_db ? "Database" : "Current playlist");
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*w->at(ConstraintsNumber+2).first << fmtBold << "Search mode:" << fmtBoldEnd << ' ' << *SearchMode;
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*w->at(SearchButton).first << "Search";
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*w->at(ResetButton).first << "Reset";
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}
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void SearchEngine::Reset()
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{
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for (size_t i = 0; i < ConstraintsNumber; ++i)
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itsConstraints[i].clear();
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w->Reset();
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Prepare();
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ShowMessage("Search state reset");
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}
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void SearchEngine::Search()
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{
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bool constraints_empty = 1;
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for (size_t i = 0; i < ConstraintsNumber; ++i)
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{
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if (!itsConstraints[i].empty())
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{
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constraints_empty = 0;
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break;
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}
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}
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if (constraints_empty)
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return;
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if (Config.search_in_db && (SearchMode == &SearchModes[0] || SearchMode == &SearchModes[2])) // use built-in mpd searching
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{
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Mpd.StartSearch(SearchMode == &SearchModes[2]);
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if (!itsConstraints[0].empty())
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Mpd.AddSearchAny(itsConstraints[0]);
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if (!itsConstraints[1].empty())
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Mpd.AddSearch(MPD_TAG_ARTIST, itsConstraints[1]);
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if (!itsConstraints[2].empty())
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Mpd.AddSearch(MPD_TAG_TITLE, itsConstraints[2]);
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if (!itsConstraints[3].empty())
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Mpd.AddSearch(MPD_TAG_ALBUM, itsConstraints[3]);
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if (!itsConstraints[4].empty())
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Mpd.AddSearchURI(itsConstraints[4]);
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if (!itsConstraints[5].empty())
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Mpd.AddSearch(MPD_TAG_COMPOSER, itsConstraints[5]);
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if (!itsConstraints[6].empty())
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Mpd.AddSearch(MPD_TAG_PERFORMER, itsConstraints[6]);
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if (!itsConstraints[7].empty())
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Mpd.AddSearch(MPD_TAG_GENRE, itsConstraints[7]);
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if (!itsConstraints[8].empty())
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Mpd.AddSearch(MPD_TAG_DATE, itsConstraints[8]);
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if (!itsConstraints[9].empty())
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Mpd.AddSearch(MPD_TAG_COMMENT, itsConstraints[9]);
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MPD::SongList results;
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Mpd.CommitSearch(results);
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for (MPD::SongList::const_iterator it = results.begin(); it != results.end(); ++it)
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w->AddOption(std::make_pair(static_cast<Buffer *>(0), *it));
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return;
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}
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MPD::SongList list;
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if (Config.search_in_db)
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Mpd.GetDirectoryRecursive("/", list);
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else
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{
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list.reserve(myPlaylist->Items->Size());
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for (size_t i = 0; i < myPlaylist->Items->Size(); ++i)
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list.push_back(&(*myPlaylist->Items)[i]);
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}
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bool any_found = 1;
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bool found = 1;
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for (MPD::SongList::const_iterator it = list.begin(); it != list.end(); ++it)
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{
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if (SearchMode != &SearchModes[2]) // match to pattern
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{
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regex_t rx;
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if (!itsConstraints[0].empty())
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{
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if (regcomp(&rx, itsConstraints[0].c_str(), REG_ICASE | Config.regex_type) == 0)
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{
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any_found =
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!regexec(&rx, (*it)->GetArtist().c_str(), 0, 0, 0)
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|| !regexec(&rx, (*it)->GetTitle().c_str(), 0, 0, 0)
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|| !regexec(&rx, (*it)->GetAlbum().c_str(), 0, 0, 0)
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|| !regexec(&rx, (*it)->GetName().c_str(), 0, 0, 0)
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|| !regexec(&rx, (*it)->GetComposer().c_str(), 0, 0, 0)
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|| !regexec(&rx, (*it)->GetPerformer().c_str(), 0, 0, 0)
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|| !regexec(&rx, (*it)->GetGenre().c_str(), 0, 0, 0)
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|| !regexec(&rx, (*it)->GetDate().c_str(), 0, 0, 0)
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|| !regexec(&rx, (*it)->GetComment().c_str(), 0, 0, 0);
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}
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regfree(&rx);
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}
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if (found && !itsConstraints[1].empty())
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{
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if (!regcomp(&rx, itsConstraints[1].c_str(), REG_ICASE | Config.regex_type))
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found = !regexec(&rx, (*it)->GetArtist().c_str(), 0, 0, 0);
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regfree(&rx);
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}
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if (found && !itsConstraints[2].empty())
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{
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if (!regcomp(&rx, itsConstraints[2].c_str(), REG_ICASE | Config.regex_type))
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found = !regexec(&rx, (*it)->GetTitle().c_str(), 0, 0, 0);
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regfree(&rx);
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}
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if (found && !itsConstraints[3].empty())
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{
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if (!regcomp(&rx, itsConstraints[3].c_str(), REG_ICASE | Config.regex_type))
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found = !regexec(&rx, (*it)->GetAlbum().c_str(), 0, 0, 0);
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regfree(&rx);
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}
|
|
if (found && !itsConstraints[4].empty())
|
|
{
|
|
if (!regcomp(&rx, itsConstraints[4].c_str(), REG_ICASE | Config.regex_type))
|
|
found = !regexec(&rx, (*it)->GetName().c_str(), 0, 0, 0);
|
|
regfree(&rx);
|
|
}
|
|
if (found && !itsConstraints[5].empty())
|
|
{
|
|
if (!regcomp(&rx, itsConstraints[5].c_str(), REG_ICASE | Config.regex_type))
|
|
found = !regexec(&rx, (*it)->GetComposer().c_str(), 0, 0, 0);
|
|
regfree(&rx);
|
|
}
|
|
if (found && !itsConstraints[6].empty())
|
|
{
|
|
if (!regcomp(&rx, itsConstraints[6].c_str(), REG_ICASE | Config.regex_type))
|
|
found = !regexec(&rx, (*it)->GetPerformer().c_str(), 0, 0, 0);
|
|
regfree(&rx);
|
|
}
|
|
if (found && !itsConstraints[7].empty())
|
|
{
|
|
if (!regcomp(&rx, itsConstraints[7].c_str(), REG_ICASE | Config.regex_type))
|
|
found = !regexec(&rx, (*it)->GetGenre().c_str(), 0, 0, 0);
|
|
regfree(&rx);
|
|
}
|
|
if (found && !itsConstraints[8].empty())
|
|
{
|
|
if (!regcomp(&rx, itsConstraints[8].c_str(), REG_ICASE | Config.regex_type))
|
|
found = !regexec(&rx, (*it)->GetDate().c_str(), 0, 0, 0);
|
|
regfree(&rx);
|
|
}
|
|
if (found && !itsConstraints[9].empty())
|
|
{
|
|
if (!regcomp(&rx, itsConstraints[9].c_str(), REG_ICASE | Config.regex_type))
|
|
found = !regexec(&rx, (*it)->GetComment().c_str(), 0, 0, 0);
|
|
regfree(&rx);
|
|
}
|
|
}
|
|
else // match only if values are equal
|
|
{
|
|
CaseInsensitiveStringComparison cmp;
|
|
|
|
if (!itsConstraints[0].empty())
|
|
any_found =
|
|
!cmp((*it)->GetArtist(), itsConstraints[0])
|
|
|| !cmp((*it)->GetTitle(), itsConstraints[0])
|
|
|| !cmp((*it)->GetAlbum(), itsConstraints[0])
|
|
|| !cmp((*it)->GetName(), itsConstraints[0])
|
|
|| !cmp((*it)->GetComposer(), itsConstraints[0])
|
|
|| !cmp((*it)->GetPerformer(), itsConstraints[0])
|
|
|| !cmp((*it)->GetGenre(), itsConstraints[0])
|
|
|| !cmp((*it)->GetDate(), itsConstraints[0])
|
|
|| !cmp((*it)->GetComment(), itsConstraints[0]);
|
|
|
|
if (found && !itsConstraints[1].empty())
|
|
found = !cmp((*it)->GetArtist(), itsConstraints[1]);
|
|
if (found && !itsConstraints[2].empty())
|
|
found = !cmp((*it)->GetTitle(), itsConstraints[2]);
|
|
if (found && !itsConstraints[3].empty())
|
|
found = !cmp((*it)->GetAlbum(), itsConstraints[3]);
|
|
if (found && !itsConstraints[4].empty())
|
|
found = !cmp((*it)->GetName(), itsConstraints[4]);
|
|
if (found && !itsConstraints[5].empty())
|
|
found = !cmp((*it)->GetComposer(), itsConstraints[5]);
|
|
if (found && !itsConstraints[6].empty())
|
|
found = !cmp((*it)->GetPerformer(), itsConstraints[6]);
|
|
if (found && !itsConstraints[7].empty())
|
|
found = !cmp((*it)->GetGenre(), itsConstraints[7]);
|
|
if (found && !itsConstraints[8].empty())
|
|
found = !cmp((*it)->GetDate(), itsConstraints[8]);
|
|
if (found && !itsConstraints[9].empty())
|
|
found = !cmp((*it)->GetComment(), itsConstraints[9]);
|
|
}
|
|
|
|
if (found && any_found)
|
|
{
|
|
MPD::Song *ss = Config.search_in_db ? *it : new MPD::Song(**it);
|
|
w->AddOption(std::make_pair(static_cast<Buffer *>(0), ss));
|
|
list[it-list.begin()] = 0;
|
|
}
|
|
found = 1;
|
|
any_found = 1;
|
|
}
|
|
if (Config.search_in_db) // free song list only if it's database
|
|
MPD::FreeSongList(list);
|
|
}
|
|
|
|
std::string SearchEngine::SearchEngineOptionToString(const std::pair<Buffer *, MPD::Song *> &pair, void *)
|
|
{
|
|
if (!Config.columns_in_search_engine)
|
|
return pair.second->toString(Config.song_list_format);
|
|
else
|
|
return Playlist::SongInColumnsToString(*pair.second, 0);
|
|
}
|
|
|