added a key to jump to a song in the media library

This commit introduces a new key to bind, key_go_to_media_library. It
will switch to the media library and select the song under the cursor.

doc/keys

@@ -148,6 +148,8 @@
 #
 #key_go_to_containing_directory = 'G'
 #
+#key_go_to_media_library = '~'
+#
 #key_go_to_parent_dir = 263 127
 #
 #key_switch_tag_type_list = '`'

src/help.cpp

@@ -195,6 +195,7 @@ void Help::GetKeybindings()
 	*w << DisplayKeys(Key.NextFoundPosition)	<< "Go to next found position\n";
 	*w << DisplayKeys(Key.ToggleFindMode)		<< "Toggle find mode (normal/wrapped)\n";
 	*w << DisplayKeys(Key.GoToContainingDir)	<< "Locate song in browser\n";
+	*w << DisplayKeys(Key.GoToMediaLibrary)		<< "Locate current song in media library\n";
 	*w << DisplayKeys(Key.ToggleDisplayMode)	<< "Toggle display mode\n";
 	*w << DisplayKeys(Key.ToggleInterface)		<< "Toggle user interface\n";
 	*w << DisplayKeys(Key.GoToPosition)		<< "Go to given position in current song (in % by default)\n";

src/media_library.cpp

@@ -542,6 +542,95 @@ void MediaLibrary::PrevColumn()
 	}
 }
 
+void MediaLibrary::LocateSong(const MPD::Song &s)
+{
+	std::string primary_tag;
+	switch (Config.media_lib_primary_tag)
+	{
+		case MPD_TAG_ARTIST:
+			primary_tag = s.GetArtist();
+			break;
+		case MPD_TAG_DATE:
+			primary_tag = s.GetDate();
+			break;
+		case MPD_TAG_GENRE:
+			primary_tag = s.GetGenre();
+			break;
+		case MPD_TAG_COMPOSER:
+			primary_tag = s.GetComposer();
+			break;
+		case MPD_TAG_PERFORMER:
+			primary_tag = s.GetPerformer();
+			break;
+		default:
+			ShowMessage("Invalid tag type in left column of the media library");
+			return;
+	}
+	if (primary_tag == "")
+	{
+		std::string item_type = IntoStr(Config.media_lib_primary_tag);
+		ToLower(item_type);
+		ShowMessage("Can't jump to media library because the song has no %s tag set.", item_type.c_str());
+		return;
+	}
+
+	if (myScreen != this)
+		SwitchTo();
+	Statusbar() << "Jumping to song...";
+	wFooter->Refresh();
+
+	if (Artists->Empty() || primary_tag != Artists->Current())
+	{
+		Update();
+		for (size_t i = 0; i < Artists->Size(); ++i)
+		{
+			if (primary_tag == Artists->at(i))
+			{
+				Artists->Highlight(i);
+				Albums->Clear();
+				break;
+			}
+		}
+	}
+
+	std::string album = s.GetAlbum();
+	std::string date = s.GetDate();
+	if (Albums->Empty() || (album != Albums->Current().second.Album
+				&& date != Albums->Current().second.Year))
+	{
+		Update();
+		for (size_t i = 0; i < Albums->Size(); ++i)
+		{
+			if (album == Albums->at(i).second.Album && date == Albums->at(i).second.Year)
+			{
+				Albums->Highlight(i);
+				Songs->Clear();
+				break;
+			}
+		}
+	}
+
+	std::string song = s.GetTitle();
+	if (Songs->Empty() || song != Songs->Current().GetTitle())
+	{
+		Update();
+		for (size_t i = 0; i < Songs->Size(); ++i)
+		{
+			if (song == Songs->at(i).GetTitle())
+			{
+				Songs->Highlight(i);
+				break;
+			}
+		}
+	}
+
+	Artists->HighlightColor(Config.main_highlight_color);
+	Albums->HighlightColor(Config.main_highlight_color);
+	Songs->HighlightColor(Config.active_column_color);
+	w = Songs;
+	Refresh();
+}
+
 void MediaLibrary::AddToPlaylist(bool add_n_play)
 {
 	if (w == Songs && !Songs->Empty())

src/media_library.h

@@ -64,6 +64,8 @@ class MediaLibrary : public Screen<Window>
 		void NextColumn();
 		void PrevColumn();
 		
+		void LocateSong(const MPD::Song &);
+		
 		Menu<std::string> *Artists;
 		Menu< std::pair<std::string, SearchConstraints> > *Albums;
 		Menu<MPD::Song> *Songs;

src/ncmpcpp.cpp

@@ -1545,6 +1545,12 @@ int main(int argc, char *argv[])
 			if (s)
 				myBrowser->LocateSong(*s);
 		}
+		else if (Keypressed(input, Key.GoToMediaLibrary))
+		{
+			Song *s = myScreen->CurrentSong();
+			if (s)
+				myLibrary->LocateSong(*s);
+		}
 		else if (Keypressed(input, Key.GoToPosition))
 		{
 			if (!Mpd.GetTotalTime())

src/settings.cpp

@@ -166,6 +166,7 @@ void DefaultKeys(ncmpcpp_keys &keys)
 	keys.SavePlaylist[0] = 'S';
 	keys.GoToNowPlaying[0] = 'o';
 	keys.GoToContainingDir[0] = 'G';
+	keys.GoToMediaLibrary[0] = '~';
 	keys.ToggleAutoCenter[0] = 'U';
 	keys.ToggleDisplayMode[0] = 'p';
 	keys.ToggleInterface[0] = '\\';
@@ -239,6 +240,7 @@ void DefaultKeys(ncmpcpp_keys &keys)
 	keys.SavePlaylist[1] = null_key;
 	keys.GoToNowPlaying[1] = null_key;
 	keys.GoToContainingDir[1] = null_key;
+	keys.GoToMediaLibrary[1] = null_key;
 	keys.ToggleAutoCenter[1] = null_key;
 	keys.ToggleDisplayMode[1] = null_key;
 	keys.ToggleInterface[1] = null_key;
@@ -490,6 +492,8 @@ void ReadKeys(ncmpcpp_keys &keys)
 				GetKeys(key, keys.ToggleLyricsDB);
 			else if (key.find("key_go_to_containing_directory ") != std::string::npos)
 				GetKeys(key, keys.GoToContainingDir);
+			else if (key.find("key_go_to_media_library ") != std::string::npos)
+				GetKeys(key, keys.GoToMediaLibrary);
 			else if (key.find("key_go_to_parent_dir ") != std::string::npos)
 				GetKeys(key, keys.GoToParentDir);
 			else if (key.find("key_switch_tag_type_list ") != std::string::npos)

src/settings.h

@@ -117,6 +117,7 @@ struct ncmpcpp_keys
 	int SavePlaylist[2];
 	int GoToNowPlaying[2];
 	int GoToContainingDir[2];
+	int GoToMediaLibrary[2];
 	int ToggleAutoCenter[2];
 	int ToggleDisplayMode[2];
 	int ToggleInterface[2];