621 lines
15 KiB
C++
621 lines
15 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2011 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 <dirent.h>
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#include <sys/stat.h>
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#include <cerrno>
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#include <cstring>
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#include <algorithm>
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#include "browser.h"
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#include "charset.h"
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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 "settings.h"
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#include "status.h"
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#ifdef HAVE_TAGLIB_H
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# include "tag_editor.h"
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#endif // HAVE_TAGLIB_H
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using Global::MainHeight;
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using Global::MainStartY;
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using Global::myScreen;
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using Global::RedrawHeader;
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using MPD::itDirectory;
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using MPD::itSong;
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using MPD::itPlaylist;
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Browser *myBrowser = new Browser;
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const char *Browser::SupportedExtensions[] =
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{
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"wma", "asf", "rm", "mp1", "mp2", "mp3",
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"mp4", "m4a", "flac", "ogg", "wav", "au",
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"aiff", "aif", "ac3", "aac", "mpc", "it",
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"mod", "s3m", "xm", "wv", 0
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};
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void Browser::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<MPD::Item>(0, MainStartY, COLS, MainHeight, Config.columns_in_browser && Config.titles_visibility ? Display::Columns(COLS) : "", 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->SetSelectPrefix(&Config.selected_item_prefix);
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w->SetSelectSuffix(&Config.selected_item_suffix);
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w->SetItemDisplayer(Display::Items);
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w->SetItemDisplayerUserData(&sf);
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w->SetGetStringFunction(ItemToString);
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isInitialized = 1;
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}
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void Browser::Resize()
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{
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size_t x_offset, width;
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GetWindowResizeParams(x_offset, width);
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w->Resize(width, MainHeight);
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w->MoveTo(x_offset, MainStartY);
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w->SetTitle(Config.columns_in_browser && Config.titles_visibility ? Display::Columns(w->GetWidth()) : "");
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hasToBeResized = 0;
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}
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void Browser::SwitchTo()
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{
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using Global::myLockedScreen;
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using Global::myInactiveScreen;
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if (myScreen == this)
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{
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# ifndef WIN32
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myBrowser->ChangeBrowseMode();
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# endif // !WIN32
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}
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if (!isInitialized)
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Init();
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if (myLockedScreen)
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UpdateInactiveScreen(this);
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if (hasToBeResized || myLockedScreen)
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Resize();
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if (isLocal()) // local browser doesn't support sorting by mtime
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Config.browser_sort_by_mtime = 0;
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w->Empty() ? myBrowser->GetDirectory(itsBrowsedDir) : myBrowser->UpdateItemList();
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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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RedrawHeader = 1;
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}
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std::basic_string<my_char_t> Browser::Title()
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{
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std::basic_string<my_char_t> result = U("Browse: ");
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result += Scroller(TO_WSTRING(itsBrowsedDir), itsScrollBeginning, COLS-result.length()-(Config.new_design ? 2 : Global::VolumeState.length()));
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return result;
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}
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void Browser::EnterPressed()
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{
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if (w->Empty())
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return;
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const MPD::Item &item = w->Current();
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switch (item.type)
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{
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case itDirectory:
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{
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GetDirectory(item.name, itsBrowsedDir);
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RedrawHeader = 1;
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break;
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}
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case itSong:
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{
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w->Bold(w->Choice(), myPlaylist->Add(*item.song, w->isBold(), 1));
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break;
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}
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case itPlaylist:
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{
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if (itsBrowsedDir == "/")
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{
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MPD::SongList list;
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Mpd.GetPlaylistContent(locale_to_utf_cpy(item.name), list);
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if (myPlaylist->Add(list, 1))
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ShowMessage("Loading and playing playlist %s...", item.name.c_str());
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FreeSongList(list);
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}
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else
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{
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std::string name = item.name;
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ShowMessage("Loading playlist %s...", name.c_str());
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locale_to_utf(name);
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if (Mpd.LoadPlaylist(name))
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ShowMessage("Playlist loaded.");
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}
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break;
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}
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}
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}
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void Browser::SpacePressed()
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{
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if (w->Empty())
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return;
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if (Config.space_selects && w->Choice() >= (itsBrowsedDir != "/" ? 1 : 0))
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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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if (itsBrowsedDir != "/" && w->Choice() == 0 /* parent dir */)
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return;
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const MPD::Item &item = w->Current();
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switch (item.type)
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{
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case itDirectory:
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{
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if (itsBrowsedDir != "/" && !w->Choice())
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break; // do not let add parent dir.
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MPD::SongList list;
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# ifndef WIN32
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if (isLocal())
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{
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MPD::ItemList items;
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ShowMessage("Scanning \"%s\"...", item.name.c_str());
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myBrowser->GetLocalDirectory(items, item.name, 1);
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list.reserve(items.size());
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for (MPD::ItemList::const_iterator it = items.begin(); it != items.end(); ++it)
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list.push_back(it->song);
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}
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else
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# endif // !WIN32
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Mpd.GetDirectoryRecursive(locale_to_utf_cpy(item.name), list);
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if (myPlaylist->Add(list, 0))
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ShowMessage("Added folder: %s", item.name.c_str());
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FreeSongList(list);
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break;
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}
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case itSong:
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{
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w->Bold(w->Choice(), myPlaylist->Add(*item.song, w->isBold(), 0));
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break;
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}
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case itPlaylist:
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{
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std::string name = item.name;
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ShowMessage("Loading playlist %s...", name.c_str());
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locale_to_utf(name);
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if (Mpd.LoadPlaylist(name))
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ShowMessage("Playlist loaded.");
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break;
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}
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}
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w->Scroll(wDown);
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}
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void Browser::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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w->Goto(me.y);
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switch (w->Current().type)
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{
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case itDirectory:
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if (me.bstate & BUTTON1_PRESSED)
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{
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GetDirectory(w->Current().name);
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RedrawHeader = 1;
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}
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else
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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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break;
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case itPlaylist:
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case itSong:
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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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break;
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}
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}
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else
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Screen< Menu<MPD::Item> >::MouseButtonPressed(me);
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}
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MPD::Song *Browser::CurrentSong()
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{
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return !w->Empty() && w->Current().type == itSong ? w->Current().song : 0;
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}
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void Browser::ReverseSelection()
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{
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w->ReverseSelection(itsBrowsedDir == "/" ? 0 : 1);
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}
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void Browser::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())
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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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{
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const MPD::Item &item = w->at(*it);
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switch (item.type)
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{
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case itDirectory:
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{
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# ifndef WIN32
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if (isLocal())
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{
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MPD::ItemList list;
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GetLocalDirectory(list, item.name, 1);
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for (MPD::ItemList::const_iterator j = list.begin(); j != list.end(); ++j)
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v.push_back(j->song);
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}
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else
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# endif // !WIN32
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Mpd.GetDirectoryRecursive(locale_to_utf_cpy(item.name), v);
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break;
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}
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case itSong:
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{
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v.push_back(new MPD::Song(*item.song));
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break;
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}
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case itPlaylist:
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{
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Mpd.GetPlaylistContent(locale_to_utf_cpy(item.name), v);
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break;
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}
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}
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}
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}
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void Browser::ApplyFilter(const std::string &s)
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{
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w->ApplyFilter(s, itsBrowsedDir == "/" ? 0 : 1, REG_ICASE | Config.regex_type);
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}
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bool Browser::hasSupportedExtension(const std::string &file)
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{
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size_t last_dot = file.rfind(".");
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if (last_dot > file.length())
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return false;
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std::string ext = file.substr(last_dot+1);
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ToLower(ext);
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for (int i = 0; SupportedExtensions[i]; ++i)
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if (strcmp(ext.c_str(), SupportedExtensions[i]) == 0)
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return true;
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return false;
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}
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void Browser::LocateSong(const MPD::Song &s)
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{
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if (s.GetDirectory().empty())
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return;
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itsBrowseLocally = !s.isFromDB();
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if (myScreen != this)
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SwitchTo();
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if (itsBrowsedDir != s.GetDirectory())
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GetDirectory(s.GetDirectory());
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for (size_t i = 0; i < w->Size(); ++i)
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{
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if ((*w)[i].type == itSong && s.GetHash() == (*w)[i].song->GetHash())
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{
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w->Highlight(i);
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break;
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}
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}
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}
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void Browser::GetDirectory(std::string dir, std::string subdir)
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{
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if (dir.empty())
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dir = "/";
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int highlightme = -1;
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itsScrollBeginning = 0;
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if (itsBrowsedDir != dir)
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w->Reset();
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itsBrowsedDir = dir;
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locale_to_utf(dir);
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for (size_t i = 0; i < w->Size(); ++i)
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if (w->at(i).type == itSong)
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delete w->at(i).song;
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w->Clear();
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if (dir != "/")
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{
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MPD::Item parent;
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size_t slash = dir.rfind("/");
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parent.song = reinterpret_cast<MPD::Song *>(1); // in that way we assume that's really parent dir
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parent.name = slash != std::string::npos ? dir.substr(0, slash) : "/";
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parent.type = itDirectory;
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utf_to_locale(parent.name);
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w->AddOption(parent);
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}
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MPD::ItemList list;
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# ifndef WIN32
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isLocal() ? GetLocalDirectory(list) : Mpd.GetDirectory(dir, list);
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# else
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Mpd.GetDirectory(dir, list);
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# endif // !WIN32
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if (!isLocal()) // local directory is already sorted
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sort(list.begin(), list.end(), CaseInsensitiveSorting());
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for (MPD::ItemList::iterator it = list.begin(); it != list.end(); ++it)
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{
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switch (it->type)
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{
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case itPlaylist:
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{
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utf_to_locale(it->name);
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w->AddOption(*it);
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break;
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}
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case itDirectory:
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{
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utf_to_locale(it->name);
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if (it->name == subdir)
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highlightme = w->Size();
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w->AddOption(*it);
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break;
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}
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case itSong:
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{
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bool bold = 0;
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for (size_t i = 0; i < myPlaylist->Items->Size(); ++i)
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{
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if (myPlaylist->Items->at(i).GetHash() == it->song->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->AddOption(*it, bold);
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break;
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}
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}
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}
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if (highlightme >= 0)
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w->Highlight(highlightme);
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}
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#ifndef WIN32
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void Browser::GetLocalDirectory(MPD::ItemList &v, const std::string &directory, bool recursively) const
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{
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DIR *dir = opendir((directory.empty() ? itsBrowsedDir : directory).c_str());
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if (!dir)
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return;
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dirent *file;
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struct stat file_stat;
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std::string full_path;
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size_t old_size = v.size();
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while ((file = readdir(dir)))
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{
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// omit . and ..
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if (file->d_name[0] == '.' && (file->d_name[1] == '\0' || (file->d_name[1] == '.' && file->d_name[2] == '\0')))
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continue;
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if (!Config.local_browser_show_hidden_files && file->d_name[0] == '.')
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continue;
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MPD::Item new_item;
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full_path = directory.empty() ? itsBrowsedDir : directory;
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if (itsBrowsedDir != "/")
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full_path += "/";
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full_path += file->d_name;
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stat(full_path.c_str(), &file_stat);
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if (S_ISDIR(file_stat.st_mode))
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{
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if (recursively)
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{
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GetLocalDirectory(v, full_path, 1);
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old_size = v.size();
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}
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else
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{
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new_item.type = itDirectory;
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new_item.name = full_path;
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v.push_back(new_item);
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}
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}
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else if (hasSupportedExtension(file->d_name))
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{
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new_item.type = itSong;
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mpd_pair file_pair = { "file", full_path.c_str() };
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new_item.song = new MPD::Song(mpd_song_begin(&file_pair));
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# ifdef HAVE_TAGLIB_H
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if (!recursively)
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TagEditor::ReadTags(*new_item.song);
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# endif // HAVE_TAGLIB_H
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v.push_back(new_item);
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}
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}
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closedir(dir);
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std::sort(v.begin()+old_size, v.end(), CaseInsensitiveSorting());
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}
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void Browser::ClearDirectory(const std::string &path) const
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{
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DIR *dir = opendir(path.c_str());
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if (!dir)
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return;
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dirent *file;
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struct stat file_stat;
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std::string full_path;
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while ((file = readdir(dir)))
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{
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// omit . and ..
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if (file->d_name[0] == '.' && (file->d_name[1] == '\0' || (file->d_name[1] == '.' && file->d_name[2] == '\0')))
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continue;
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full_path = path;
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if (*full_path.rbegin() != '/')
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full_path += '/';
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full_path += file->d_name;
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lstat(full_path.c_str(), &file_stat);
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if (S_ISDIR(file_stat.st_mode))
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ClearDirectory(full_path);
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if (remove(full_path.c_str()) == 0)
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{
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static const char msg[] = "Deleting \"%s\"...";
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ShowMessage(msg, Shorten(TO_WSTRING(full_path), COLS-static_strlen(msg)).c_str());
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}
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else
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{
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static const char msg[] = "Couldn't remove \"%s\": %s";
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ShowMessage(msg, Shorten(TO_WSTRING(full_path), COLS-static_strlen(msg)-25).c_str(), strerror(errno));
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}
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}
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closedir(dir);
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}
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void Browser::ChangeBrowseMode()
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{
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if (Mpd.GetHostname()[0] != '/')
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return;
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itsBrowseLocally = !itsBrowseLocally;
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ShowMessage("Browse mode: %s", itsBrowseLocally ? "Local filesystem" : "MPD music dir");
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itsBrowsedDir = itsBrowseLocally ? Config.GetHomeDirectory() : "/";
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if (itsBrowseLocally && *itsBrowsedDir.rbegin() == '/')
|
|
itsBrowsedDir.resize(itsBrowsedDir.length()-1);
|
|
w->Reset();
|
|
GetDirectory(itsBrowsedDir);
|
|
RedrawHeader = 1;
|
|
}
|
|
|
|
bool Browser::DeleteItem(const MPD::Item &item)
|
|
{
|
|
// parent dir
|
|
if (item.type == itDirectory && item.song)
|
|
return false;
|
|
|
|
// playlist creatd by mpd
|
|
if (!isLocal() && item.type == itPlaylist && CurrentDir() == "/")
|
|
return Mpd.DeletePlaylist(locale_to_utf_cpy(item.name));
|
|
|
|
std::string path;
|
|
if (!isLocal())
|
|
path = Config.mpd_music_dir;
|
|
path += item.type == itSong ? item.song->GetFile() : item.name;
|
|
|
|
if (item.type == itDirectory)
|
|
ClearDirectory(path);
|
|
|
|
return remove(path.c_str()) == 0;
|
|
}
|
|
#endif // !WIN32
|
|
|
|
void Browser::UpdateItemList()
|
|
{
|
|
bool bold = 0;
|
|
for (size_t i = 0; i < w->Size(); ++i)
|
|
{
|
|
if (w->at(i).type == itSong)
|
|
{
|
|
for (size_t j = 0; j < myPlaylist->Items->Size(); ++j)
|
|
{
|
|
if (myPlaylist->Items->at(j).GetHash() == w->at(i).song->GetHash())
|
|
{
|
|
bold = 1;
|
|
break;
|
|
}
|
|
}
|
|
w->Bold(i, bold);
|
|
bold = 0;
|
|
}
|
|
}
|
|
w->Refresh();
|
|
}
|
|
|
|
std::string Browser::ItemToString(const MPD::Item &item, void *)
|
|
{
|
|
switch (item.type)
|
|
{
|
|
case MPD::itDirectory:
|
|
{
|
|
if (item.song)
|
|
return "[..]";
|
|
return "[" + ExtractTopName(item.name) + "]";
|
|
}
|
|
case MPD::itSong:
|
|
{
|
|
if (!Config.columns_in_browser)
|
|
return item.song->toString(Config.song_list_format_dollar_free);
|
|
else
|
|
return Playlist::SongInColumnsToString(*item.song, 0);
|
|
}
|
|
case MPD::itPlaylist:
|
|
{
|
|
return Config.browser_playlist_prefix.Str() + ExtractTopName(item.name);
|
|
}
|
|
default:
|
|
{
|
|
return "";
|
|
}
|
|
}
|
|
}
|
|
|