support for columns view in playlist

doc/ncmpcpprc

@@ -74,12 +74,31 @@
 #
 #selected_item_suffix = "[/magenta]"
 #
+##### columns settings #####
+##
+## syntax of song columns list format is "column column etc."
+##
+## - syntax for each column is:
+##
+## (width of column in %)[column's color]{displayed tag}
+##
+## - color is optional (if it's not present, default window color will be used)
+##
+#
+#song_columns_list_format = "(8)[green]{l} (28)[cyan]{a} (28)[yellow]{b} (50)[red]{t}"
+#
 ##### various settings #####
 #
+## can be "normal" or "columns"
+#
+#playlist_display_mode = "normal"
+#
 #autocenter_mode = "no"
 #
 #repeat_one_mode = "no"
 #
+## can be "wrapped" or "normal"
+#
 #default_find_mode = "wrapped"
 #
 #default_space_mode = "add"

src/helpers.cpp

@@ -332,6 +332,170 @@ string DisplayItem(const Item &item, void *)
 	}
 }
 
+string DisplayColumns(string song_template)
+{
+	vector<string> cols;
+	for (int i = song_template.find(" "); i != string::npos; i = song_template.find(" "))
+	{
+		cols.push_back(song_template.substr(0, i));
+		song_template = song_template.substr(i+1);
+	}
+	cols.push_back(song_template);
+	
+	string result, v;
+	
+	for (vector<string>::const_iterator it = cols.begin(); it != cols.end(); it++)
+	{
+		int width = StrToInt(GetLineValue(*it, '(', ')'));
+		char type = GetLineValue(*it, '{', '}')[0];
+		
+		width *= COLS/100.0;
+		
+		switch (type)
+		{
+			case 'l':
+				v = "Time";
+				break;
+			case 'f':
+				v = "Filename";
+				break;
+			case 'F':
+				v = "Full filename";
+				break;
+			case 'a':
+				v = "Artist";
+				break;
+			case 't':
+				v = "Title";
+				break;
+			case 'b':
+				v = "Album";
+				break;
+			case 'y':
+				v = "Year";
+				break;
+			case 'n':
+				v = "Track";
+				break;
+			case 'g':
+				v = "Genre";
+				break;
+			case 'c':
+				v = "Composer";
+				break;
+			case 'p':
+				v = "Performer";
+				break;
+			case 'd':
+				v = "Disc";
+				break;
+			case 'C':
+				v = "Comment";
+				break;
+			default:
+				break;
+		}
+		
+		v = v.substr(0, width-1);
+		for (int i = v.length(); i < width; i++, v += " ");
+		result += v;
+	}
+	
+	return result.substr(0, COLS);
+}
+
+string DisplaySongInColumns(const Song &s, void *s_template)
+{
+	string song_template = s_template ? *static_cast<string *>(s_template) : "";
+	
+	vector<string> cols;
+	for (int i = song_template.find(" "); i != string::npos; i = song_template.find(" "))
+	{
+		cols.push_back(song_template.substr(0, i));
+		song_template = song_template.substr(i+1);
+	}
+	cols.push_back(song_template);
+	
+	ncmpcpp_string_t result, v;
+	
+#	ifdef UTF8_ENABLED
+	const wstring space = L" ";
+	const wstring open_col = L"[.";
+	const wstring close_col = L"]";
+	const wstring close_col2 = L"[/red]";
+#	else
+	const string space = " ";
+	const string open_col = "[.";
+	const string close_col = "]";
+	const string close_col2 = "[/red]";
+#	endif
+	
+	for (vector<string>::const_iterator it = cols.begin(); it != cols.end(); it++)
+	{
+		int width = StrToInt(GetLineValue(*it, '(', ')'));
+		ncmpcpp_string_t color = TO_WSTRING(GetLineValue(*it, '[', ']'));
+		char type = GetLineValue(*it, '{', '}')[0];
+		
+		width *= COLS/100.0;
+		
+		string ss;
+		switch (type)
+		{
+			case 'l':
+				ss = s.GetLength();
+				break;
+			case 'f':
+				ss = s.GetShortFilename();
+				break;
+			case 'F':
+				ss = s.GetFile();
+				break;
+			case 'a':
+				ss = s.GetArtist();
+				break;
+			case 't':
+				ss = s.GetTitle();
+				break;
+			case 'b':
+				ss = s.GetAlbum();
+				break;
+			case 'y':
+				ss = s.GetYear();
+				break;
+			case 'n':
+				ss = s.GetTrack();
+				break;
+			case 'g':
+				ss = s.GetGenre();
+				break;
+			case 'c':
+				ss = s.GetComposer();
+				break;
+			case 'p':
+				ss = s.GetPerformer();
+				break;
+			case 'd':
+				ss = s.GetDisc();
+				break;
+			case 'C':
+				ss = s.GetComment();
+				break;
+			default:
+				break;
+		}
+		
+		v = TO_WSTRING(OmitBBCodes(ss)).substr(0, width-1);
+		for (int i = v.length(); i < width; i++, v += space);
+		if (!color.empty())
+			result += open_col + color + close_col;
+		result += v;
+		if (!color.empty())
+			result += close_col2;
+	}
+	
+	return TO_STRING(result);
+}
+
 string DisplaySong(const Song &s, void *s_template)
 {	
 	const string &song_template = s_template ? *static_cast<string *>(s_template) : "";

src/helpers.h

@@ -48,6 +48,8 @@ bool CaseInsensitiveComparison(string, string);
 void WindowTitle(const string &);
 string TotalPlaylistLength();
 string DisplayItem(const Item &, void * = NULL);
+string DisplayColumns(string);
+string DisplaySongInColumns(const Song &, void *);
 string DisplaySong(const Song &, void * = &Config.song_list_format);
 void ShowMessage(const string &, int = Config.message_delay_time);
 bool SortDirectory(const Item &a, const Item &b);

src/menu.h

@@ -126,7 +126,6 @@ class Menu : public Window
 		bool itsHighlightEnabled;
 };
 
-
 template <class T>
 Menu<T>::Menu(const Menu &m) : Window(m)
 {
@@ -798,5 +797,8 @@ string Menu<T>::DisplayOption(const T &t) const
 	return itsItemDisplayer ? itsItemDisplayer(t, itsUserdata) : "";
 }
 
+template <>
+string Menu<string>::DisplayOption(const string &str) const;
+
 #endif
 

src/ncmpcpp.cpp

@@ -189,11 +189,11 @@ int main(int argc, char *argv[])
 	if (!Config.statusbar_visibility)
 		main_height++;
 	
-	mPlaylist = new Menu<Song>(0, main_start_y, COLS, main_height, "", Config.main_color, brNone);
+	mPlaylist = new Menu<Song>(0, main_start_y, COLS, main_height, Config.columns_in_playlist ? DisplayColumns(Config.song_columns_list_format) : "", Config.main_color, brNone);
 	mPlaylist->SetSelectPrefix(Config.selected_item_prefix);
 	mPlaylist->SetSelectSuffix(Config.selected_item_suffix);
-	mPlaylist->SetItemDisplayer(DisplaySong);
+	mPlaylist->SetItemDisplayer(Config.columns_in_playlist ? DisplaySongInColumns : DisplaySong);
-	mPlaylist->SetItemDisplayerUserData(&Config.song_list_format);
+	mPlaylist->SetItemDisplayerUserData(Config.columns_in_playlist ? &Config.song_columns_list_format : &Config.song_list_format);
 	
 	mBrowser = new Menu<Item>(0, main_start_y, COLS, main_height, "", Config.main_color, brNone);
 	mBrowser->SetSelectPrefix(Config.selected_item_prefix);
@@ -339,8 +339,6 @@ int main(int argc, char *argv[])
 	wCurrent = mPlaylist;
 	current_screen = csPlaylist;
 	
-	wCurrent->Display();
-	
 	int input;
 	timer = time(NULL);
 	
@@ -431,7 +429,7 @@ int main(int argc, char *argv[])
 				if (current_screen == csBrowser)
 				{
 					int max_length_without_scroll = wHeader->GetWidth()-volume_state.length()-title.length();
-					ncmpcpp_string_t wbrowseddir = NCMPCPP_TO_WSTRING(browsed_dir);
+					ncmpcpp_string_t wbrowseddir = TO_WSTRING(browsed_dir);
 					wHeader->Bold(1);
 					if (browsed_dir.length() > max_length_without_scroll)
 					{
@@ -626,7 +624,10 @@ int main(int argc, char *argv[])
 		
 		// playlist editor end
 		
-		wCurrent->Refresh(redraw_me);
+		if (Config.columns_in_playlist && wCurrent == mPlaylist)
+			wCurrent->Display(redraw_me);
+		else
+			wCurrent->Refresh(redraw_me);
 		redraw_me = 0;
 		
 		wCurrent->ReadKey(input);
@@ -722,6 +723,7 @@ int main(int argc, char *argv[])
 			sHelp->Resize(COLS, main_height);
 			sHelp->Timeout(ncmpcpp_window_timeout);
 			mPlaylist->Resize(COLS, main_height);
+			mPlaylist->SetTitle(Config.columns_in_playlist ? DisplayColumns(Config.song_columns_list_format) : "");
 			mBrowser->Resize(COLS, main_height);
 			mTagEditor->Resize(COLS, main_height);
 			mSearcher->Resize(COLS, main_height);
@@ -926,13 +928,13 @@ int main(int argc, char *argv[])
 							{
 								ShowMessage("Updating tags...");
 								s.GetEmptyFields(1);
-								f.tag()->setTitle(NCMPCPP_TO_WSTRING(s.GetTitle()));
+								f.tag()->setTitle(TO_WSTRING(s.GetTitle()));
-								f.tag()->setArtist(NCMPCPP_TO_WSTRING(s.GetArtist()));
+								f.tag()->setArtist(TO_WSTRING(s.GetArtist()));
-								f.tag()->setAlbum(NCMPCPP_TO_WSTRING(s.GetAlbum()));
+								f.tag()->setAlbum(TO_WSTRING(s.GetAlbum()));
 								f.tag()->setYear(StrToInt(s.GetYear()));
 								f.tag()->setTrack(StrToInt(s.GetTrack()));
-								f.tag()->setGenre(NCMPCPP_TO_WSTRING(s.GetGenre()));
+								f.tag()->setGenre(TO_WSTRING(s.GetGenre()));
-								f.tag()->setComment(NCMPCPP_TO_WSTRING(s.GetComment()));
+								f.tag()->setComment(TO_WSTRING(s.GetComment()));
 								s.GetEmptyFields(0);
 								f.save();
 								ShowMessage("Tags updated!");

src/ncmpcpp.h

@@ -27,12 +27,8 @@
 
 #ifdef UTF8_ENABLED
 const bool UNICODE = 1;
-# define ncmpcpp_string_t wstring
-# define NCMPCPP_TO_WSTRING(x) ToWString(x)
 #else
 const bool UNICODE = 0;
-# define ncmpcpp_string_t string
-# define NCMPCPP_TO_WSTRING(x) (x)
 #endif
 
 #ifdef HAVE_TAGLIB_H

src/settings.cpp

@@ -144,6 +144,7 @@ void DefaultConfiguration(ncmpcpp_config &conf)
 {
 	conf.mpd_music_dir = "/var/lib/mpd/music";
 	conf.song_list_format = "{[.green](%l)[/green] }{%a - }{%t}|{[.white]%f[/white]}";
+	conf.song_columns_list_format = "(8)[green]{l} (28)[cyan]{a} (28){b} (50)[red]{t}";
 	conf.song_status_format = "{(%l) }{%a - }{%t}|{%f}";
 	conf.song_window_title_format = "{%a - }{%t}|{%f}";
 	conf.song_library_format = "{%n - }{%t}|{%f}";
@@ -161,6 +162,7 @@ void DefaultConfiguration(ncmpcpp_config &conf)
 	conf.statusbar_color = clDefault;
 	conf.active_column_color = clRed;
 	conf.colors_enabled = true;
+	conf.columns_in_playlist = false;
 	conf.header_visibility = true;
 	conf.statusbar_visibility = true;
 	conf.autocenter_mode = false;
@@ -197,13 +199,13 @@ void GetKeys(string line, int *key)
 	key[1] = !two.empty() && two[0] == '\'' ? two[1] : (atoi(two.c_str()) == 0 ? null_key : atoi(two.c_str()));
 }
 
-string GetConfigLineValue(const string &line)
+string GetLineValue(const string &line, char a, char b)
 {
 	int i = 0;
 	int begin = -1, end = -1;
 	for (string::const_iterator it = line.begin(); it != line.end(); i++, it++)
 	{
-		if (*it == '"')
+		if (*it == a || *it == b)
 		{
 			if (begin < 0)
 				begin = i+1;
@@ -414,7 +416,7 @@ void ReadConfiguration(ncmpcpp_config &conf)
 		}
 		for (vector<string>::const_iterator it = config_sets.begin(); it != config_sets.end(); it++)
 		{
-			v = GetConfigLineValue(*it);
+			v = GetLineValue(*it);
 			
 			if (it->find("mpd_music_dir") != string::npos)
 			{
@@ -446,6 +448,11 @@ void ReadConfiguration(ncmpcpp_config &conf)
 				if (!v.empty())
 					conf.song_list_format = v;
 			}
+			else if (it->find("song_columns_list_format") != string::npos)
+			{
+				if (!v.empty())
+					conf.song_columns_list_format = v;
+			}
 			else if (it->find("song_status_format") != string::npos)
 			{
 				if (!v.empty())
@@ -473,6 +480,8 @@ void ReadConfiguration(ncmpcpp_config &conf)
 			}
 			else if (it->find("colors_enabled") != string::npos)
 				conf.colors_enabled = v == "yes";
+			else if (it->find("playlist_display_mode") != string::npos)
+				conf.columns_in_playlist = v == "columns";
 			else if (it->find("header_visibility") != string::npos)
 				conf.header_visibility = v == "yes";
 			else if (it->find("statusbar_visibility") != string::npos)

src/settings.h

@@ -90,6 +90,7 @@ struct ncmpcpp_config
 {
 	string mpd_music_dir;
 	string song_list_format;
+	string song_columns_list_format;
 	string song_status_format;
 	string song_window_title_format;
 	string song_library_format;
@@ -110,6 +111,7 @@ struct ncmpcpp_config
 	Color active_column_color;
 	
 	bool colors_enabled;
+	bool columns_in_playlist;
 	bool set_window_title;
 	bool header_visibility;
 	bool statusbar_visibility;
@@ -127,7 +129,7 @@ struct ncmpcpp_config
 void DefaultKeys(ncmpcpp_keys &);
 void DefaultConfiguration(ncmpcpp_config &);
 void GetKeys(string, int *);
-string GetLineValue(const string &);
+string GetLineValue(const string &, char = '"', char = '"');
 string IntoStr(Color);
 Color IntoColor(const string &);
 void ReadKeys(ncmpcpp_keys &);

src/song.cpp

@@ -87,7 +87,7 @@ string Song::GetLength() const
 	std::stringstream ss;
 	
 	if (!GetTotalLength())
-		return "unknown";
+		return "-:--";
 	
 	ss << itsMinutesLength << ":";
 	if (!itsSecondsLength)

src/status_checker.cpp

@@ -312,7 +312,7 @@ void NcmpcppStatusChanged(MPDConnection *Mpd, MPDStatusChanges changed, void *da
 					tracklength = " [" + ShowTime(elapsed) + "/" + s.GetLength() + "]";
 				else
 					tracklength = " [" + ShowTime(elapsed) + "]";
-				ncmpcpp_string_t playing_song = NCMPCPP_TO_WSTRING(OmitBBCodes(DisplaySong(s, &Config.song_status_format)));
+				ncmpcpp_string_t playing_song = TO_WSTRING(OmitBBCodes(DisplaySong(s, &Config.song_status_format)));
 				
 				int max_length_without_scroll = wFooter->GetWidth()-player_state.length()-tracklength.length();
 				

src/window.h

@@ -30,9 +30,13 @@
 #include <cstring>
 
 #ifdef UTF8_ENABLED
+# define ncmpcpp_string_t wstring
 # define TO_STRING(x) ToString(x)
+# define TO_WSTRING(x) ToWString(x)
 #else
+# define ncmpcpp_string_t string
 # define TO_STRING(x) x
+# define TO_WSTRING(x) x
 #endif
 
 using std::string;