Files
ncmpcpp/src/playlist.cpp

550 lines
14 KiB
C++

/***************************************************************************
* Copyright (C) 2008-2009 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. *
***************************************************************************/
#include <algorithm>
#include "display.h"
#include "global.h"
#include "helpers.h"
#include "menu.h"
#include "playlist.h"
#include "song.h"
#include "status.h"
using namespace Global;
Playlist *myPlaylist = new Playlist;
bool Playlist::ReloadTotalLength = 0;
bool Playlist::ReloadRemaining = 0;
bool Playlist::BlockNowPlayingUpdate = 0;
bool Playlist::BlockUpdate = 0;
bool Playlist::BlockRefreshing = 0;
Menu< std::pair<std::string, MPD::Song::GetFunction> > *Playlist::SortDialog;
const size_t Playlist::SortOptions = 10;
const size_t Playlist::SortDialogWidth = 30;
size_t Playlist::SortDialogHeight;
void Playlist::Init()
{
w = new Menu<MPD::Song>(0, MainStartY, COLS, MainHeight, Config.columns_in_playlist ? Display::Columns() : "", Config.main_color, brNone);
w->SetTimeout(ncmpcpp_window_timeout);
w->CyclicScrolling(Config.use_cyclic_scrolling);
w->HighlightColor(Config.main_highlight_color);
w->SetSelectPrefix(&Config.selected_item_prefix);
w->SetSelectSuffix(&Config.selected_item_suffix);
w->SetItemDisplayer(Config.columns_in_playlist ? Display::SongsInColumns : Display::Songs);
w->SetItemDisplayerUserData(&Config.song_list_format);
w->SetGetStringFunction(Config.columns_in_playlist ? SongInColumnsToString : SongToString);
w->SetGetStringFunctionUserData(&Config.song_list_format);
SortDialogHeight = std::min(int(MainHeight-2), 18);
SortDialog = new Menu< std::pair<std::string, MPD::Song::GetFunction> >((COLS-SortDialogWidth)/2, (MainHeight-SortDialogHeight)/2+MainStartY, SortDialogWidth, SortDialogHeight, "Sort songs by...", Config.main_color, Config.window_border);
SortDialog->SetTimeout(ncmpcpp_window_timeout);
SortDialog->CyclicScrolling(Config.use_cyclic_scrolling);
SortDialog->SetItemDisplayer(Display::Pairs);
SortDialog->AddOption(std::make_pair("Artist", &MPD::Song::GetArtist));
SortDialog->AddOption(std::make_pair("Album", &MPD::Song::GetAlbum));
SortDialog->AddOption(std::make_pair("Disc", &MPD::Song::GetDisc));
SortDialog->AddOption(std::make_pair("Track", &MPD::Song::GetTrack));
SortDialog->AddOption(std::make_pair("Genre", &MPD::Song::GetGenre));
SortDialog->AddOption(std::make_pair("Year", &MPD::Song::GetDate));
SortDialog->AddOption(std::make_pair("Composer", &MPD::Song::GetComposer));
SortDialog->AddOption(std::make_pair("Performer", &MPD::Song::GetPerformer));
SortDialog->AddOption(std::make_pair("Title", &MPD::Song::GetTitle));
SortDialog->AddOption(std::make_pair("Filename", &MPD::Song::GetFile));
SortDialog->AddSeparator();
SortDialog->AddOption(std::make_pair("Sort", static_cast<MPD::Song::GetFunction>(0)));
SortDialog->AddOption(std::make_pair("Reverse", static_cast<MPD::Song::GetFunction>(0)));
SortDialog->AddOption(std::make_pair("Cancel", static_cast<MPD::Song::GetFunction>(0)));
isInitialized = 1;
}
void Playlist::SwitchTo()
{
if (myScreen == this)
return;
if (!isInitialized)
Init();
itsScrollBegin = 0;
if (hasToBeResized)
Resize();
myScreen = this;
w->Window::Clear();
EnableHighlighting();
RedrawHeader = 1;
}
void Playlist::Resize()
{
w->Resize(COLS, MainHeight);
w->MoveTo(0, MainStartY);
w->SetTitle(Config.columns_in_playlist ? Display::Columns() : "");
SortDialogHeight = std::min(int(MainHeight), 18);
if (MainHeight > 5)
SortDialog->Resize(SortDialogWidth, SortDialogHeight);
SortDialog->MoveTo((COLS-SortDialogWidth)/2, (MainHeight-SortDialogHeight)/2+MainStartY);
hasToBeResized = 0;
}
std::basic_string<my_char_t> Playlist::Title()
{
std::basic_string<my_char_t> result = U("Playlist ");
if (ReloadTotalLength || ReloadRemaining)
itsBufferedStats = TotalLength();
result += Scroller(itsBufferedStats, w->GetWidth()-result.length()-(Config.new_design ? 2 : VolumeState.length()), itsScrollBegin);
return result;
}
void Playlist::EnterPressed()
{
if (!w->Empty())
{
Mpd.PlayID(w->Current().GetID());
UpdateStatusImmediately = 1;
}
}
void Playlist::SpacePressed()
{
w->SelectCurrent();
w->Scroll(wDown);
}
void Playlist::MouseButtonPressed(MEVENT me)
{
if (w->Empty() || !w->hasCoords(me.x, me.y) || size_t(me.y) >= w->Size())
return;
if (me.bstate & (BUTTON1_PRESSED | BUTTON3_PRESSED))
{
w->Goto(me.y);
if (me.bstate & BUTTON3_PRESSED)
{
Mpd.Play(w->Current().GetPosition());
UpdateStatusImmediately = 1;
}
}
else
Screen< Menu<MPD::Song> >::MouseButtonPressed(me);
}
MPD::Song *Playlist::CurrentSong()
{
return !w->Empty() ? &w->Current() : 0;
}
void Playlist::GetSelectedSongs(MPD::SongList &v)
{
std::vector<size_t> selected;
w->GetSelected(selected);
for (std::vector<size_t>::const_iterator it = selected.begin(); it != selected.end(); ++it)
{
v.push_back(new MPD::Song(w->at(*it)));
}
}
void Playlist::ApplyFilter(const std::string &s)
{
w->ApplyFilter(s, 0, REG_ICASE | Config.regex_type);
}
void Playlist::Sort()
{
if (w->GetWidth() < SortDialogWidth || MainHeight <= 6)
{
ShowMessage("Screen is too small to display dialog window!");
return;
}
int input;
SortDialog->Reset();
SortDialog->Display();
BlockRefreshing = 1;
while (1)
{
TraceMpdStatus();
SortDialog->Refresh();
SortDialog->ReadKey(input);
if (Keypressed(input, Key.Up))
{
SortDialog->Scroll(wUp);
}
else if (Keypressed(input, Key.Down))
{
SortDialog->Scroll(wDown);
}
else if (Keypressed(input, Key.PageUp))
{
SortDialog->Scroll(wPageUp);
}
else if (Keypressed(input, Key.PageDown))
{
SortDialog->Scroll(wPageDown);
}
else if (Keypressed(input, Key.Home))
{
SortDialog->Scroll(wHome);
}
else if (Keypressed(input, Key.End))
{
SortDialog->Scroll(wEnd);
}
else if (Keypressed(input, Key.MvSongUp))
{
size_t pos = SortDialog->Choice();
if (pos > 0 && pos < SortOptions)
{
SortDialog->Swap(pos, pos-1);
SortDialog->Scroll(wUp);
}
}
else if (Keypressed(input, Key.MvSongDown))
{
size_t pos = SortDialog->Choice();
if (pos < SortOptions-1)
{
SortDialog->Swap(pos, pos+1);
SortDialog->Scroll(wDown);
}
}
else if (Keypressed(input, Key.Enter))
{
size_t pos = SortDialog->Choice();
if (pos > SortOptions)
{
BlockRefreshing = 0;
if (pos == SortOptions+1) // sort
break;
else if (pos == SortOptions+2) // reverse
{
BlockUpdate = 1;
ShowMessage("Reversing playlist order...");
Mpd.StartCommandsList();
for (size_t i = 0, j = w->Size()-1; i < w->Size()/2; ++i, --j)
{
Mpd.Swap(i, j);
w->Swap(i, j);
}
Mpd.CommitCommandsList();
ShowMessage("Playlist reversed!");
return;
}
else if (pos == SortOptions+3) // cancel
return;
}
else
{
ShowMessage("Move tag types up and down to adjust sort order");
}
}
}
MPD::SongList playlist, cmp;
playlist.reserve(w->Size());
for (size_t i = 0; i < w->Size(); ++i)
{
(*w)[i].SetPosition(i);
playlist.push_back(&(*w)[i]);
}
cmp = playlist;
sort(playlist.begin(), playlist.end(), Playlist::Sorting);
if (playlist == cmp)
{
ShowMessage("Playlist is already sorted");
return;
}
BlockUpdate = 1;
ShowMessage("Sorting playlist...");
Mpd.StartCommandsList();
do
{
for (size_t i = 0; i < playlist.size(); ++i)
{
if (playlist[i]->GetPosition() > int(i))
{
Mpd.Swap(playlist[i]->GetPosition(), i);
std::swap(cmp[playlist[i]->GetPosition()], cmp[i]);
w->Swap(playlist[i]->GetPosition(), i);
}
cmp[i]->SetPosition(i);
}
}
while (playlist != cmp);
Mpd.CommitCommandsList();
ShowMessage("Playlist sorted!");
}
void Playlist::FixPositions(size_t beginning)
{
bool was_filtered = w->isFiltered();
w->ShowAll();
for (size_t i = beginning; i < w->Size(); ++i)
{
(*w)[i].SetPosition(i);
}
if (was_filtered)
w->ShowFiltered();
}
void Playlist::EnableHighlighting()
{
w->Highlighting(1);
w->Refresh();
UpdateTimer();
}
bool Playlist::Sorting(MPD::Song *a, MPD::Song *b)
{
for (size_t i = 0; i < SortOptions; ++i)
{
std::string sa = (a->*(*SortDialog)[i].second)();
std::string sb = (b->*(*SortDialog)[i].second)();
ToLower(sa);
ToLower(sb);
if (Config.ignore_leading_the)
{
RemoveTheWord(sa);
RemoveTheWord(sb);
}
if (sa != sb)
return sa < sb;
}
return a->GetPosition() < b->GetPosition();
}
std::string Playlist::TotalLength()
{
std::ostringstream result;
if (ReloadTotalLength)
{
itsTotalLength = 0;
for (size_t i = 0; i < w->Size(); ++i)
itsTotalLength += (*w)[i].GetTotalLength();
ReloadTotalLength = 0;
}
if (Config.playlist_show_remaining_time && ReloadRemaining && !w->isFiltered())
{
itsRemainingTime = 0;
for (size_t i = NowPlaying; i < w->Size(); ++i)
itsRemainingTime += (*w)[i].GetTotalLength();
ReloadRemaining = 0;
}
result << '(' << w->Size() << (w->Size() == 1 ? " item" : " items");
if (w->isFiltered())
{
w->ShowAll();
size_t real_size = w->Size();
w->ShowFiltered();
if (w->Size() != real_size)
result << " (out of " << Mpd.GetPlaylistLength() << ")";
}
if (itsTotalLength)
{
result << ", length: ";
ShowTime(result, itsTotalLength);
}
if (Config.playlist_show_remaining_time && itsRemainingTime && !w->isFiltered() && w->Size() > 1)
{
result << " :: remaining: ";
ShowTime(result, itsRemainingTime);
}
result << ')';
return result.str();
}
void Playlist::ShowTime(std::ostringstream &result, size_t length)
{
const int MINUTE = 60;
const int HOUR = 60*MINUTE;
const int DAY = 24*HOUR;
const int YEAR = 365*DAY;
int years = length/YEAR;
if (years)
{
result << years << (years == 1 ? " year" : " years");
length -= years*YEAR;
if (length)
result << ", ";
}
int days = length/DAY;
if (days)
{
result << days << (days == 1 ? " day" : " days");
length -= days*DAY;
if (length)
result << ", ";
}
int hours = length/HOUR;
if (hours)
{
result << hours << (hours == 1 ? " hour" : " hours");
length -= hours*HOUR;
if (length)
result << ", ";
}
int minutes = length/MINUTE;
if (minutes)
{
result << minutes << (minutes == 1 ? " minute" : " minutes");
length -= minutes*MINUTE;
if (length)
result << ", ";
}
if (length)
result << length << (length == 1 ? " second" : " seconds");
}
const MPD::Song *Playlist::NowPlayingSong()
{
bool was_filtered = w->isFiltered();
w->ShowAll();
const MPD::Song *s = isPlaying() ? &w->at(NowPlaying) : 0;
if (was_filtered)
w->ShowFiltered();
return s;
}
std::string Playlist::SongToString(const MPD::Song &s, void *data)
{
return s.toString(*static_cast<std::string *>(data));
}
std::string Playlist::SongInColumnsToString(const MPD::Song &s, void *)
{
std::string result = "{";
for (std::vector<Column>::const_iterator it = Config.columns.begin(); it != Config.columns.end(); ++it)
{
if (it->type == 't')
{
result += "{%t}|{%f}";
}
else
{
result += "%";
result += it->type;
}
result += " ";
}
result += "}";
return s.toString(result);
}
bool Playlist::Add(const MPD::Song &s, bool in_playlist, bool play)
{
BlockItemListUpdate = 1;
if (Config.ncmpc_like_songs_adding && in_playlist)
{
unsigned hash = s.GetHash();
if (play)
{
for (size_t i = 0; i < w->Size(); ++i)
{
if (w->at(i).GetHash() == hash)
{
Mpd.Play(i);
break;
}
}
return true;
}
else
{
Playlist::BlockUpdate = 1;
Mpd.StartCommandsList();
for (size_t i = 0; i < w->Size(); ++i)
{
if ((*w)[i].GetHash() == hash)
{
Mpd.Delete(i);
w->DeleteOption(i);
i--;
}
}
Mpd.CommitCommandsList();
Playlist::BlockUpdate = 0;
return false;
}
}
else
{
int id = Mpd.AddSong(s);
if (id >= 0)
{
ShowMessage("Added to playlist: %s", s.toString(Config.song_status_format).c_str());
if (play)
Mpd.PlayID(id);
return true;
}
else
return false;
}
}
bool Playlist::Add(const MPD::SongList &l, bool play)
{
if (l.empty())
return false;
size_t old_playlist_size = w->Size();
Mpd.StartCommandsList();
MPD::SongList::const_iterator it = l.begin();
for (; it != l.end(); ++it)
if (Mpd.AddSong(**it) < 0)
break;
Mpd.CommitCommandsList();
if (play && old_playlist_size < w->Size())
Mpd.Play(old_playlist_size);
if (w->Back().GetHash() != l.back()->GetHash())
{
if (it != l.begin())
ShowMessage("%s", MPD::Message::PartOfSongsAdded);
return false;
}
else
return true;
}