poll both stdin and mpd using one select()

this allows for immediate reading mpd events

src/browser.cpp

@@ -53,7 +53,6 @@ void Browser::Init()
 {
 	w = new Menu<Item>(0, MainStartY, COLS, MainHeight, Config.columns_in_browser ? Display::Columns() : "", Config.main_color, brNone);
 	w->HighlightColor(Config.main_highlight_color);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	w->CyclicScrolling(Config.use_cyclic_scrolling);
 	w->SetSelectPrefix(&Config.selected_item_prefix);
 	w->SetSelectSuffix(&Config.selected_item_suffix);

src/clock.cpp

@@ -52,7 +52,6 @@ void Clock::Init()
 	Width = Config.clock_display_seconds ? 60 : 40;
 	
 	w = new Window((COLS-Width)/2, (MainHeight-Height)/2+MainStartY, Width, Height-1, "", Config.main_color, Border(Config.main_color));
-	w->SetTimeout(ncmpcpp_window_timeout);
 	isInitialized = 1;
 }
 

src/help.cpp

@@ -32,7 +32,6 @@ Help *myHelp = new Help;
 void Help::Init()
 {
 	w = new Scrollpad(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	GetKeybindings();
 	w->Flush();
 	isInitialized = 1;

src/info.cpp

@@ -73,7 +73,6 @@ const Info::Metadata Info::Tags[] =
 void Info::Init()
 {
 	w = new Scrollpad(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	isInitialized = 1;
 }
 

src/lyrics.cpp

@@ -69,7 +69,6 @@ Lyrics *myLyrics = new Lyrics;
 void Lyrics::Init()
 {
 	w = new Scrollpad(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	isInitialized = 1;
 }
 

src/media_library.cpp

@@ -52,20 +52,17 @@ void MediaLibrary::Init()
 	
 	Artists = new Menu<std::string>(0, MainStartY, itsLeftColWidth, MainHeight, IntoStr(Config.media_lib_primary_tag) + "s", Config.main_color, brNone);
 	Artists->HighlightColor(Config.active_column_color);
-	Artists->SetTimeout(ncmpcpp_window_timeout);
 	Artists->CyclicScrolling(Config.use_cyclic_scrolling);
 	Artists->SetItemDisplayer(Display::Generic);
 	
 	Albums = new Menu< std::pair<std::string, SearchConstraints> >(itsMiddleColStartX, MainStartY, itsMiddleColWidth, MainHeight, "Albums", Config.main_color, brNone);
 	Albums->HighlightColor(Config.main_highlight_color);
-	Albums->SetTimeout(ncmpcpp_window_timeout);
 	Albums->CyclicScrolling(Config.use_cyclic_scrolling);
 	Albums->SetItemDisplayer(Display::Pairs);
 	Albums->SetGetStringFunction(StringPairToString);
 	
 	Songs = new Menu<Song>(itsRightColStartX, MainStartY, itsRightColWidth, MainHeight, "Songs", Config.main_color, brNone);
 	Songs->HighlightColor(Config.main_highlight_color);
-	Songs->SetTimeout(ncmpcpp_window_timeout);
 	Songs->CyclicScrolling(Config.use_cyclic_scrolling);
 	Songs->SetSelectPrefix(&Config.selected_item_prefix);
 	Songs->SetSelectSuffix(&Config.selected_item_suffix);

src/misc.cpp

@@ -38,7 +38,6 @@ void SelectedItemsAdder::Init()
 {
 	SetDimensions();
 	w = new Menu<std::string>((COLS-itsWidth)/2, (MainHeight-itsHeight)/2+MainStartY, itsWidth, itsHeight, "Add selected items to...", Config.main_color, Config.window_border);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	w->CyclicScrolling(Config.use_cyclic_scrolling);
 	w->HighlightColor(Config.main_highlight_color);
 	w->SetItemDisplayer(Display::Generic);

src/mpdpp.cpp

@@ -151,14 +151,14 @@ void Connection::GoIdle()
 		isIdle = 1;
 }
 
-mpd_idle Connection::GoBusy()
+int Connection::GoBusy()
 {
 	if (isIdle && mpd_send_noidle(itsConnection))
 	{
 		isIdle = 0;
 		return mpd_recv_idle(itsConnection, 1);
 	}
-	return mpd_idle(0);
+	return 0;
 }
 
 void Connection::UpdateStatus()
@@ -166,13 +166,14 @@ void Connection::UpdateStatus()
 	if (!itsConnection)
 		return;
 	
+	int idle_mask = 0;
 	if (isIdle)
 	{
-		FD_ZERO(&itsPoll);
-		FD_SET(itsFD, &itsPoll);
-		timeval timeout = { 0, 0 };
-		if (select(itsFD+1, &itsPoll, 0, 0, &timeout) == 1)
-			GoBusy();
+		if (hasData)
+		{
+			idle_mask = GoBusy();
+			hasData = 0;
+		}
 		else
 		{
 			// count local elapsed time as we don't receive
@@ -217,14 +218,6 @@ void Connection::UpdateStatus()
 		{
 			// sync local elapsed time counter with mpd
 			itsElapsed = mpd_status_get_elapsed_time(itsCurrentStatus);
-			// little hack as it seems mpd doesn't always return elapsed
-			// time equal to 0 even if song has changed, it sometimes
-			// returns the last second, so we need to bypass it by zeroing
-			// it in this case.
-			// NOTICE: it seems polling with select() instead of poll()
-			// fixes this, but that can just be more randomness.
-			//if (itsElapsed == mpd_status_get_total_time(itsCurrentStatus))
-			//	itsElapsed = 0;
 			time(&itsElapsedTimer[0]);
 		}
 		else
@@ -274,7 +267,12 @@ void Connection::UpdateStatus()
 			itsChanges.StatusFlags = itsChanges.Repeat || itsChanges.Random || itsChanges.Single || itsChanges.Consume || itsChanges.Crossfade || itsChanges.DBUpdating;
 		}
 		itsUpdater(this, itsChanges, itsErrorHandlerUserdata);
-		GoIdle();
+		// below conditionals are a hack to workaround mpd bug 2608/2612
+		// by fetching another status with correct values after a while
+		if (!((idle_mask & MPD_IDLE_PLAYER) && !itsChanges.PlayerState))
+			GoIdle();
+		else if (supportsIdle && !isIdle)
+			OrderDataFetching();
 	}
 }
 

src/mpdpp.h

@@ -21,12 +21,6 @@
 #ifndef _MPDPP_H
 #define _MPDPP_H
 
-#ifdef WIN32
-# include <winsock.h>
-#else
-# include <sys/select.h>
-#endif
-
 #include <vector>
 
 #include <mpd/client.h>
@@ -98,7 +92,10 @@ namespace MPD
 			int GetPort() { return itsPort; }
 			
 			float Version() const;
+			
 			bool SupportsIdle() const { return supportsIdle; }
+			void OrderDataFetching() { hasData = 1; }
+			int GetFD() const { return itsFD; }
 			
 			void SetHostname(const std::string &);
 			void SetPort(int port) { itsPort = port; }
@@ -213,7 +210,7 @@ namespace MPD
 			
 		private:
 			void GoIdle();
-			mpd_idle GoBusy();
+			int GoBusy();
 			
 			int CheckForErrors();
 			
@@ -224,10 +221,10 @@ namespace MPD
 			int itsErrorCode;
 			size_t itsMaxPlaylistLength;
 			
-			fd_set itsPoll;
 			int itsFD;
 			bool isIdle;
 			bool supportsIdle;
+			bool hasData;
 			
 			std::string itsHost;
 			int itsPort;

src/ncmpcpp.cpp

@@ -159,6 +159,7 @@ int main(int argc, char *argv[])
 	wFooter = new Window(0, footer_start_y, COLS, footer_height, "", Config.statusbar_color, brNone);
 	wFooter->SetTimeout(ncmpcpp_window_timeout);
 	wFooter->SetGetStringHelper(StatusbarGetStringHelper);
+	wFooter->AddFDCallback(Mpd.GetFD(), StatusbarMPDCallback);
 	wFooter->CreateHistory();
 	
 	myPlaylist->SwitchTo();
@@ -201,10 +202,13 @@ int main(int argc, char *argv[])
 	{
 		if (!Mpd.Connected())
 		{
+			if (!wFooter->FDCallbacksListEmpty())
+				wFooter->ClearFDCallbacksList();
 			ShowMessage("Attempting to reconnect...");
 			if (Mpd.Connect())
 			{
 				ShowMessage("Connected to %s!", Mpd.GetHostname().c_str());
+				wFooter->AddFDCallback(Mpd.GetFD(), StatusbarMPDCallback);
 				MessagesAllowed = 0;
 				UpdateStatusImmediately = 1;
 #				ifdef ENABLE_OUTPUTS
@@ -289,7 +293,7 @@ int main(int argc, char *argv[])
 		myScreen->Update();
 		if (input != ERR)
 			myScreen->RefreshWindow();
-		myScreen->ReadKey(input);
+		wFooter->ReadKey(input);
 		
 		if (input == ERR)
 			continue;
@@ -567,7 +571,7 @@ int main(int argc, char *argv[])
 				else
 				{
 					Playlist::BlockNowPlayingUpdate = 1;
-					myPlaylist->Items->SetTimeout(50);
+					wFooter->SetTimeout(50);
 					int del_counter = 0;
 					while (!myPlaylist->Items->Empty() && Keypressed(input, Key.Delete))
 					{
@@ -581,11 +585,11 @@ int main(int argc, char *argv[])
 						Mpd.DeleteID(myPlaylist->CurrentSong()->GetID());
 						myPlaylist->Items->DeleteOption(id);
 						myPlaylist->Items->Refresh();
-						myPlaylist->Items->ReadKey(input);
+						wFooter->ReadKey(input);
 						++del_counter;
 					}
 					myPlaylist->FixPositions(myPlaylist->Items->Choice());
-					myPlaylist->Items->SetTimeout(ncmpcpp_window_timeout);
+					wFooter->SetTimeout(ncmpcpp_window_timeout);
 					Playlist::BlockNowPlayingUpdate = 0;
 				}
 			}
@@ -703,7 +707,7 @@ int main(int argc, char *argv[])
 				}
 				else
 				{
-					myPlaylistEditor->Content->SetTimeout(50);
+					wFooter->SetTimeout(50);
 					locale_to_utf(myPlaylistEditor->Playlists->Current());
 					while (!myPlaylistEditor->Content->Empty() && Keypressed(input, Key.Delete))
 					{
@@ -712,10 +716,10 @@ int main(int argc, char *argv[])
 						Mpd.Delete(myPlaylistEditor->Playlists->Current(), myPlaylistEditor->Content->Choice());
 						myPlaylistEditor->Content->DeleteOption(myPlaylistEditor->Content->Choice());
 						myPlaylistEditor->Content->Refresh();
-						myPlaylistEditor->Content->ReadKey(input);
+						wFooter->ReadKey(input);
 					}
 					utf_to_locale(myPlaylistEditor->Playlists->Current());
-					myPlaylistEditor->Content->SetTimeout(ncmpcpp_window_timeout);
+					wFooter->SetTimeout(ncmpcpp_window_timeout);
 				}
 			}
 		}
@@ -808,7 +812,7 @@ int main(int argc, char *argv[])
 			else if (myScreen == myPlaylist && !myPlaylist->Items->Empty())
 			{
 				CHECK_PLAYLIST_FOR_FILTERING;
-				myPlaylist->Items->SetTimeout(50);
+				wFooter->SetTimeout(50);
 				if (myPlaylist->Items->hasSelected())
 				{
 					std::vector<size_t> list;
@@ -848,7 +852,7 @@ int main(int argc, char *argv[])
 						}
 						myPlaylist->Items->Highlight(list[(list.size()-1)/2]);
 						myPlaylist->Items->Refresh();
-						myPlaylist->Items->ReadKey(input);
+						wFooter->ReadKey(input);
 					}
 					Playlist::BlockNowPlayingUpdate = 0;
 					Mpd.StartCommandsList();
@@ -876,17 +880,17 @@ int main(int argc, char *argv[])
 						myPlaylist->Items->Swap(to, to+1);
 						myPlaylist->Items->Scroll(wUp);
 						myPlaylist->Items->Refresh();
-						myPlaylist->Items->ReadKey(input);
+						wFooter->ReadKey(input);
 					}
 					Mpd.Move(from, to);
 					Playlist::BlockNowPlayingUpdate = 0;
 					UpdateStatusImmediately = 1;
 				}
-				myPlaylist->Items->SetTimeout(ncmpcpp_window_timeout);
+				wFooter->SetTimeout(ncmpcpp_window_timeout);
 			}
 			else if (myScreen->ActiveWindow() == myPlaylistEditor->Content && !myPlaylistEditor->Content->Empty())
 			{
-				myPlaylistEditor->Content->SetTimeout(50);
+				wFooter->SetTimeout(50);
 				if (myPlaylistEditor->Content->hasSelected())
 				{
 					std::vector<size_t> list;
@@ -905,7 +909,7 @@ int main(int argc, char *argv[])
 						}
 						myPlaylistEditor->Content->Highlight(list[(list.size()-1)/2]);
 						myPlaylistEditor->Content->Refresh();
-						myPlaylistEditor->Content->ReadKey(input);
+						wFooter->ReadKey(input);
 					}
 					Mpd.StartCommandsList();
 					for (size_t i = 0; i < list.size(); ++i)
@@ -925,12 +929,12 @@ int main(int argc, char *argv[])
 						myPlaylistEditor->Content->Swap(to, to+1);
 						myPlaylistEditor->Content->Scroll(wUp);
 						myPlaylistEditor->Content->Refresh();
-						myPlaylistEditor->Content->ReadKey(input);
+						wFooter->ReadKey(input);
 					}
 					if (from != to)
 						Mpd.Move(myPlaylistEditor->Playlists->Current(), from, to);
 				}
-				myPlaylistEditor->Content->SetTimeout(ncmpcpp_window_timeout);
+				wFooter->SetTimeout(ncmpcpp_window_timeout);
 			}
 		}
 		else if (Keypressed(input, Key.MvSongDown))
@@ -940,7 +944,7 @@ int main(int argc, char *argv[])
 			else if (myScreen == myPlaylist && !myPlaylist->Items->Empty())
 			{
 				CHECK_PLAYLIST_FOR_FILTERING;
-				myPlaylist->Items->SetTimeout(50);
+				wFooter->SetTimeout(50);
 				if (myPlaylist->Items->hasSelected())
 				{
 					std::vector<size_t> list;
@@ -974,7 +978,7 @@ int main(int argc, char *argv[])
 						}
 						myPlaylist->Items->Highlight(list[(list.size()-1)/2]);
 						myPlaylist->Items->Refresh();
-						myPlaylist->Items->ReadKey(input);
+						wFooter->ReadKey(input);
 					}
 					Playlist::BlockNowPlayingUpdate = 0;
 					Mpd.StartCommandsList();
@@ -1002,18 +1006,18 @@ int main(int argc, char *argv[])
 						myPlaylist->Items->Swap(to, to-1);
 						myPlaylist->Items->Scroll(wDown);
 						myPlaylist->Items->Refresh();
-						myPlaylist->Items->ReadKey(input);
+						wFooter->ReadKey(input);
 					}
 					Mpd.Move(from, to);
 					Playlist::BlockNowPlayingUpdate = 0;
 					UpdateStatusImmediately = 1;
 				}
-				myPlaylist->Items->SetTimeout(ncmpcpp_window_timeout);
+				wFooter->SetTimeout(ncmpcpp_window_timeout);
 				
 			}
 			else if (myScreen->ActiveWindow() == myPlaylistEditor->Content && !myPlaylistEditor->Content->Empty())
 			{
-				myPlaylistEditor->Content->SetTimeout(50);
+				wFooter->SetTimeout(50);
 				if (myPlaylistEditor->Content->hasSelected())
 				{
 					std::vector<size_t> list;
@@ -1032,7 +1036,7 @@ int main(int argc, char *argv[])
 						}
 						myPlaylistEditor->Content->Highlight(list[(list.size()-1)/2]);
 						myPlaylistEditor->Content->Refresh();
-						myPlaylistEditor->Content->ReadKey(input);
+						wFooter->ReadKey(input);
 					}
 					Mpd.StartCommandsList();
 					for (int i = list.size()-1; i >= 0; --i)
@@ -1052,12 +1056,12 @@ int main(int argc, char *argv[])
 						myPlaylistEditor->Content->Swap(to, to-1);
 						myPlaylistEditor->Content->Scroll(wDown);
 						myPlaylistEditor->Content->Refresh();
-						myPlaylistEditor->Content->ReadKey(input);
+						wFooter->ReadKey(input);
 					}
 					if (from != to)
 						Mpd.Move(myPlaylistEditor->Playlists->Current(), from, to);
 				}
-				myPlaylistEditor->Content->SetTimeout(ncmpcpp_window_timeout);
+				wFooter->SetTimeout(ncmpcpp_window_timeout);
 			}
 		}
 		else if (Keypressed(input, Key.MoveTo) && myScreen == myPlaylist)
@@ -1148,7 +1152,7 @@ int main(int argc, char *argv[])
 			{
 				TraceMpdStatus();
 				myPlaylist->UpdateTimer();
-				myPlaylist->Items->ReadKey(input);
+				wFooter->ReadKey(input);
 				
 				int howmuch = Config.incremental_seeking ? (myPlaylist->Timer()-t)/2+Config.seek_time : Config.seek_time;
 				

src/ncmpcpp.h

@@ -37,7 +37,7 @@ using namespace NCurses;
 
 typedef std::pair<std::string, std::string> string_pair;
 
-const int ncmpcpp_window_timeout = 100;
+const int ncmpcpp_window_timeout = 500;
 
 #endif
 

src/outputs.cpp

@@ -32,7 +32,6 @@ Outputs *myOutputs = new Outputs;
 void Outputs::Init()
 {
 	w = new Menu<MPD::Output>(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	w->CyclicScrolling(Config.use_cyclic_scrolling);
 	w->HighlightColor(Config.main_highlight_color);
 	w->SetItemDisplayer(Display::Pairs);

src/playlist.cpp

@@ -47,7 +47,6 @@ Menu< std::pair<std::string, MPD::Song::GetFunction> > *Playlist::SortDialog = 0
 void Playlist::Init()
 {
 	Items = new Menu<MPD::Song>(0, MainStartY, COLS, MainHeight, Config.columns_in_playlist ? Display::Columns() : "", Config.main_color, brNone);
-	Items->SetTimeout(ncmpcpp_window_timeout);
 	Items->CyclicScrolling(Config.use_cyclic_scrolling);
 	Items->HighlightColor(Config.main_highlight_color);
 	Items->SetSelectPrefix(&Config.selected_item_prefix);
@@ -62,7 +61,6 @@ void Playlist::Init()
 		SortDialogHeight = std::min(int(MainHeight), 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);
 		

src/playlist_editor.cpp

@@ -47,13 +47,11 @@ void PlaylistEditor::Init()
 	
 	Playlists = new Menu<std::string>(0, MainStartY, LeftColumnWidth, MainHeight, "Playlists", Config.main_color, brNone);
 	Playlists->HighlightColor(Config.active_column_color);
-	Playlists->SetTimeout(ncmpcpp_window_timeout);
 	Playlists->CyclicScrolling(Config.use_cyclic_scrolling);
 	Playlists->SetItemDisplayer(Display::Generic);
 	
 	Content = new Menu<Song>(RightColumnStartX, MainStartY, RightColumnWidth, MainHeight, "Playlist's content", Config.main_color, brNone);
 	Content->HighlightColor(Config.main_highlight_color);
-	Content->SetTimeout(ncmpcpp_window_timeout);
 	Content->CyclicScrolling(Config.use_cyclic_scrolling);
 	Content->SetSelectPrefix(&Config.selected_item_prefix);
 	Content->SetSelectSuffix(&Config.selected_item_suffix);

src/search_engine.cpp

@@ -61,7 +61,6 @@ void SearchEngine::Init()
 {
 	w = new Menu< std::pair<Buffer *, Song *> >(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
 	w->HighlightColor(Config.main_highlight_color);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	w->CyclicScrolling(Config.use_cyclic_scrolling);
 	w->SetItemDisplayer(Display::SearchEngine);
 	w->SetSelectPrefix(&Config.selected_item_prefix);

src/server_info.cpp

@@ -34,7 +34,6 @@ void ServerInfo::Init()
 {
 	SetDimensions();
 	w = new Scrollpad((COLS-itsWidth)/2, (MainHeight-itsHeight)/2+MainStartY, itsWidth, itsHeight, "MPD server info", Config.main_color, Config.window_border);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	
 	Mpd.GetURLHandlers(itsURLHandlers);
 	Mpd.GetTagTypes(itsTagTypes);

src/status.cpp

@@ -63,6 +63,11 @@ void WindowTitle(const std::string &status)
 }
 #endif // !USE_PDCURSES
 
+void StatusbarMPDCallback()
+{
+	Mpd.OrderDataFetching();
+}
+
 void StatusbarGetStringHelper(const std::wstring &)
 {
 	TraceMpdStatus();

src/status.h

@@ -44,6 +44,7 @@ Window &Statusbar();
 void DrawProgressbar(unsigned elapsed, unsigned time);
 void ShowMessage(const char *, ...) GNUC_PRINTF(1, 2);
 
+void StatusbarMPDCallback();
 void StatusbarGetStringHelper(const std::wstring &);
 void StatusbarApplyFilterImmediately(const std::wstring &);
 

src/tag_editor.cpp

@@ -68,14 +68,12 @@ void TagEditor::Init()
 	
 	Albums = new Menu<string_pair>(0, MainStartY, LeftColumnWidth, MainHeight, "Albums", Config.main_color, brNone);
 	Albums->HighlightColor(Config.active_column_color);
-	Albums->SetTimeout(ncmpcpp_window_timeout);
 	Albums->CyclicScrolling(Config.use_cyclic_scrolling);
 	Albums->SetItemDisplayer(Display::Pairs);
 	Albums->SetGetStringFunction(StringPairToString);
 	
 	Dirs = new Menu<string_pair>(0, MainStartY, LeftColumnWidth, MainHeight, "Directories", Config.main_color, brNone);
 	Dirs->HighlightColor(Config.active_column_color);
-	Dirs->SetTimeout(ncmpcpp_window_timeout);
 	Dirs->CyclicScrolling(Config.use_cyclic_scrolling);
 	Dirs->SetItemDisplayer(Display::Pairs);
 	Dirs->SetGetStringFunction(StringPairToString);
@@ -84,7 +82,6 @@ void TagEditor::Init()
 	
 	TagTypes = new Menu<std::string>(MiddleColumnStartX, MainStartY, MiddleColumnWidth, MainHeight, "Tag types", Config.main_color, brNone);
 	TagTypes->HighlightColor(Config.main_highlight_color);
-	TagTypes->SetTimeout(ncmpcpp_window_timeout);
 	TagTypes->CyclicScrolling(Config.use_cyclic_scrolling);
 	TagTypes->SetItemDisplayer(Display::Generic);
 	
@@ -111,7 +108,6 @@ void TagEditor::Init()
 	
 	Tags = new Menu<MPD::Song>(RightColumnStartX, MainStartY, RightColumnWidth, MainHeight, "Tags", Config.main_color, brNone);
 	Tags->HighlightColor(Config.main_highlight_color);
-	Tags->SetTimeout(ncmpcpp_window_timeout);
 	Tags->CyclicScrolling(Config.use_cyclic_scrolling);
 	Tags->SetSelectPrefix(&Config.selected_item_prefix);
 	Tags->SetSelectSuffix(&Config.selected_item_suffix);
@@ -121,7 +117,6 @@ void TagEditor::Init()
 	Tags->SetGetStringFunctionUserData(TagTypes);
 	
 	FParserDialog = new Menu<std::string>((COLS-FParserDialogWidth)/2, (MainHeight-FParserDialogHeight)/2+MainStartY, FParserDialogWidth, FParserDialogHeight, "", Config.main_color, Config.window_border);
-	FParserDialog->SetTimeout(ncmpcpp_window_timeout);
 	FParserDialog->CyclicScrolling(Config.use_cyclic_scrolling);
 	FParserDialog->SetItemDisplayer(Display::Generic);
 	FParserDialog->AddOption("Get tags from filename");
@@ -130,15 +125,12 @@ void TagEditor::Init()
 	FParserDialog->AddOption("Cancel");
 	
 	FParser = new Menu<std::string>((COLS-FParserWidth)/2, (MainHeight-FParserHeight)/2+MainStartY, FParserWidthOne, FParserHeight, "_", Config.main_color, Config.active_window_border);
-	FParser->SetTimeout(ncmpcpp_window_timeout);
 	FParser->CyclicScrolling(Config.use_cyclic_scrolling);
 	FParser->SetItemDisplayer(Display::Generic);
 	
 	FParserLegend = new Scrollpad((COLS-FParserWidth)/2+FParserWidthOne, (MainHeight-FParserHeight)/2+MainStartY, FParserWidthTwo, FParserHeight, "Legend", Config.main_color, Config.window_border);
-	FParserLegend->SetTimeout(ncmpcpp_window_timeout);
 	
 	FParserPreview = new Scrollpad((COLS-FParserWidth)/2+FParserWidthOne, (MainHeight-FParserHeight)/2+MainStartY, FParserWidthTwo, FParserHeight, "Preview", Config.main_color, Config.window_border);
-	FParserPreview->SetTimeout(ncmpcpp_window_timeout);
 	
 	w = LeftColumn;
 	isInitialized = 1;

src/tiny_tag_editor.cpp

@@ -48,7 +48,6 @@ void TinyTagEditor::Init()
 {
 	w = new Menu<Buffer>(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
 	w->HighlightColor(Config.main_highlight_color);
-	w->SetTimeout(ncmpcpp_window_timeout);
 	w->CyclicScrolling(Config.use_cyclic_scrolling);
 	w->SetItemDisplayer(Display::Generic);
 	isInitialized = 1;

src/window.cpp

@@ -21,6 +21,12 @@
 #include <cstring>
 #include <cstdlib>
 
+#ifdef WIN32
+# include <winsock.h>
+#else
+# include <sys/select.h>
+#endif
+
 #include "error.h"
 #include "window.h"
 
@@ -352,9 +358,63 @@ void Window::SetTimeout(int timeout)
 	wtimeout(itsWindow, timeout);
 }
 
+void Window::AddFDCallback(int fd, void (*callback)())
+{
+	itsFDs.push_back(std::make_pair(fd, callback));
+}
+
+void Window::ClearFDCallbacksList()
+{
+	itsFDs.clear();
+}
+
+bool Window::FDCallbacksListEmpty() const
+{
+	return itsFDs.empty();
+}
+
 void Window::ReadKey(int &read_key) const
 {
+	// in pdcurses polling stdin doesn't work, so we can't poll
+	// both stdin and other file descriptors in one select. the
+	// workaround is to set the timeout of select to 0, poll
+	// other file descriptors and then wait for stdin input with
+	// the given timeout. unfortunately, this results in delays
+	// since ncmpcpp doesn't see that data arrived while waiting
+	// for input from stdin, but it seems there is no better option.
+	
+	fd_set fdset;
+	FD_ZERO(&fdset);
+#	if !defined(USE_PDCURSES)
+	FD_SET(STDIN_FILENO, &fdset);
+	timeval timeout = { itsWindowTimeout/1000, (itsWindowTimeout%1000)*1000 };
+#	else
+	timeval timeout = { 0, 0 };
+#	endif
+	
+	int fd_max = STDIN_FILENO;
+	for (FDCallbacks::const_iterator it = itsFDs.begin(); it != itsFDs.end(); ++it)
+	{
+		if (it->first > fd_max)
+			fd_max = it->first;
+		FD_SET(it->first, &fdset);
+	}
+	
+	if (select(fd_max+1, &fdset, 0, 0, &timeout) > 0)
+	{
+#		if !defined(USE_PDCURSES)
+		read_key = FD_ISSET(STDIN_FILENO, &fdset) ? wgetch(itsWindow) : ERR;
+#		endif // !USE_PDCURSES
+		for (FDCallbacks::const_iterator it = itsFDs.begin(); it != itsFDs.end(); ++it)
+			if (FD_ISSET(it->first, &fdset))
+				it->second();
+	}
+#	if !defined(USE_PDCURSES)
+	else
+		read_key = ERR;
+#	else
 	read_key = wgetch(itsWindow);
+#	endif
 }
 
 void Window::ReadKey() const
@@ -437,7 +497,7 @@ std::string Window::GetString(const std::string &base, size_t length, size_t wid
 		
 		wmove(itsWindow, y, x);
 		prefresh(itsWindow, 0, 0, itsStartY, itsStartX, itsStartY+itsHeight-1, itsStartX+itsWidth-1);
-		input = wgetch(itsWindow);
+		ReadKey(input);
 		
 		// these key codes are special and should be ignored
 		if ((input < 10 || (input > 10 && input != 21 && input < 32))

src/window.h

@@ -343,6 +343,23 @@ namespace NCurses
 			///
 			virtual void Clear(bool refresh = 1);
 			
+			/// Adds given file descriptor to the list that will be polled in
+			/// ReadKey() along with stdin and callback that will be invoked
+			/// when there is data waiting for reading in it
+			/// @param fd file descriptor
+			/// @param callback callback
+			///
+			void AddFDCallback(int fd, void (*callback)());
+			
+			/// Clears list of file descriptors and their callbacks
+			///
+			void ClearFDCallbacksList();
+			
+			/// Checks if list of file descriptors is empty
+			/// @return true if list is empty, false otherwise
+			///
+			bool FDCallbacksListEmpty() const;
+			
 			/// Reads key from standard input and writes it into read_key variable
 			/// @param read_key variable for read key to be written into it
 			///
@@ -553,6 +570,12 @@ namespace NCurses
 			/// stack of colors
 			std::stack<Colors> itsColors;
 			
+			/// containter used for additional file descriptors that have
+			/// to be polled in ReadKey() and correspondent callbacks that
+			/// are invoked if there is data available in them
+			typedef std::vector< std::pair<int, void (*)()> > FDCallbacks;
+			FDCallbacks itsFDs;
+			
 			/// pointer to container used as history
 			std::deque<std::wstring> *itsHistory;