new option for song format - right align (thx to Nathan Jones)

doc/ncmpcpprc

@@ -40,6 +40,7 @@
 ## %p - performer
 ## %d - disc
 ## %C - comment
+## %r - begin right align
 ##
 ## you can also put them in { } and then it will be displayed
 ## only if all requested values are available and/or define alternate

src/helpers.cpp

@@ -215,12 +215,12 @@ string TotalPlaylistLength()
 	return result;
 }
 
-string DisplayStringPair(const StringPair &pair, void *null)
+string DisplayStringPair(const StringPair &pair, void *, const Menu<StringPair> *)
 {
 	return pair.first;
 }
 
-string DisplayItem(const Item &item, void *)
+string DisplayItem(const Item &item, void *, const Menu<Item> *menu)
 {
 	switch (item.type)
 	{
@@ -232,7 +232,8 @@ string DisplayItem(const Item &item, void *)
 			return "[" + (slash != string::npos ? item.name.substr(slash+1) : item.name) + "]";
 		}
 		case itSong:
-			return DisplaySong(*item.song);
+			// I know casting that way is ugly etc., but it works.
+			return DisplaySong(*item.song, &Config.song_list_format, (const Menu<Song> *)menu);
 		case itPlaylist:
 			return Config.browser_playlist_prefix + item.name;
 	}
@@ -310,7 +311,7 @@ string DisplayColumns(string song_template)
 	return result.substr(0, COLS);
 }
 
-string DisplaySongInColumns(const Song &s, void *s_template)
+string DisplaySongInColumns(const Song &s, void *s_template, const Menu<Song> *)
 {
 	string song_template = s_template ? *static_cast<string *>(s_template) : "";
 	
@@ -402,12 +403,14 @@ string DisplaySongInColumns(const Song &s, void *s_template)
 	return TO_STRING(result);
 }
 
-string DisplaySong(const Song &s, void *s_template)
+string DisplaySong(const Song &s, void *s_template, const Menu<Song> *menu)
 {	
 	const string &song_template = s_template ? *static_cast<string *>(s_template) : "";
 	string result;
+	string lresult;
 	bool link_tags = 0;
 	bool tags_present = 0;
+	bool right = 0;
 	int i = 0;
 	
 	for (string::const_iterator it = song_template.begin(); it != song_template.end(); it++)
@@ -656,10 +659,24 @@ string DisplaySong(const Song &s, void *s_template)
 						result += s.GetTitle();
 					break;
 				}
+				case 'r':
+				{
+					if (!right)
+					{
+						right = 1;
+						lresult = result;
+						result = "";
+						i = 0;
+					}
+				}
 				
 			}
 		}
 	}
+	if (right && menu)
+	{
+		result = lresult + "[." + IntoStr(menu->GetWidth()-Window::RealLength(result)) + "]" + result;
+	}
 	return result;
 }
 

src/helpers.h

@@ -48,11 +48,11 @@ bool Keypressed(int, const int *);
 void WindowTitle(const string &);
 
 string TotalPlaylistLength();
-string DisplayStringPair(const StringPair &, void * = NULL);
-string DisplayItem(const Item &, void * = NULL);
+string DisplayStringPair(const StringPair &, void *, const Menu<StringPair> *);
+string DisplayItem(const Item &, void *, const Menu<Item> *);
 string DisplayColumns(string);
-string DisplaySongInColumns(const Song &, void *);
-string DisplaySong(const Song &, void * = &Config.song_list_format);
+string DisplaySongInColumns(const Song &, void *, const Menu<Song> *);
+string DisplaySong(const Song &, void * = &Config.song_list_format, const Menu<Song> * = NULL);
 string GetInfo(Song &);
 void ShowMessage(const string &, int = Config.message_delay_time);
 void GetDirectory(string, string = "/");

src/menu.h

@@ -45,7 +45,7 @@ class Menu : public Window
 {
 	typedef typename vector<Option<T> *>::iterator T_iterator;
 	typedef typename vector<Option<T> *>::const_iterator T_const_iterator;
-	typedef string (*ItemDisplayer) (const T &, void *);
+	typedef string (*ItemDisplayer) (const T &, void *, const Menu<T> *);
 	
 	public:
 		Menu(int startx, int starty, int width, int height, string title, Color color, Border border) : itsItemDisplayer(0), itsItemDisplayerUserdata(0), Window(startx, starty, width, height, title, color, border), itsSelectedPrefix("[.r]"), itsSelectedSuffix("[/r]"), itsStaticsNumber(0), itsBeginning(0), itsHighlight(0), itsHighlightColor(itsBaseColor), itsHighlightEnabled(1) { }
@@ -100,6 +100,7 @@ class Menu : public Window
 		const T & at(int i) const { return itsOptions.at(i)->item; }
 		const T & operator[](int i) const { return itsOptions[i]->item; }
 		T & operator[](int i) { return itsOptions[i]->item; }
+		
 	protected:
 		string DisplayOption(const T &t) const;
 		ItemDisplayer itsItemDisplayer;
@@ -112,7 +113,6 @@ class Menu : public Window
 		string itsSelectedSuffix;
 		
 		int itsStaticsNumber;
-		int count_length(string);
 		
 		void redraw_screen();
 		bool is_static() { return itsOptions[itsHighlight]->is_static; }
@@ -152,49 +152,6 @@ Menu<T>::~Menu()
 		delete *it;
 }
 
-template <class T>
-int Menu<T>::count_length(string str)
-{
-	if (str.empty())
-		return 0;
-	
-	bool collect = false;
-	int length = 0;
-	
-#ifdef UTF8_ENABLED
-	wstring str2 = ToWString(str);
-	wstring tmp;
-#else
-	string &str2 = str;
-	string tmp;
-#endif
-	
-	for (int i = 0; i < str2.length(); i++, length++)
-	{
-		if (str2[i] == '[' && (str2[i+1] == '.' || str2[i+1] == '/'))
-			collect = 1;
-		
-		if (collect)
-		{
-			if (str2[i] != '[')
-				tmp += str2[i];
-			else
-				tmp = str2[i];
-		}
-		
-		if (str2[i] == ']')
-			collect = 0;
-		
-		if (!collect && !tmp.empty())
-		{
-			if (IsValidColor(TO_STRING(tmp)))
-				length -= tmp.length();
-			tmp.clear();
-		}
-	}
-	return length;
-}
-
 template <class T>
 void Menu<T>::AddOption(const T &item, bool bold, bool is_static, bool separator, Location location)
 {
@@ -399,7 +356,7 @@ void Menu<T>::Refresh(bool redraw_whole_window)
 		
 		string option = DisplayOption(itsOptions[*it]->item);
 		
-		int strlength = itsOptions[*it]->location != lLeft && BBEnabled ? count_length(option) : option.length();
+		int strlength = itsOptions[*it]->location != lLeft && BBEnabled ? Window::RealLength(option) : option.length();
 		
 		if (strlength)
 		{
@@ -733,7 +690,7 @@ Window * Menu<T>::EmptyClone() const
 template <class T>
 string Menu<T>::DisplayOption(const T &t) const
 {
-	return itsItemDisplayer ? itsItemDisplayer(t, itsItemDisplayerUserdata) : "";
+	return itsItemDisplayer ? itsItemDisplayer(t, itsItemDisplayerUserdata, this) : "";
 }
 
 template <>

src/search_engine.cpp

@@ -28,7 +28,7 @@ extern Menu< std::pair<string, Song> > *mSearcher;
 bool search_match_to_pattern = 1;
 bool search_case_sensitive = 1;
 
-string SearchEngineDisplayer(const std::pair<string, Song> &pair, void *null)
+string SearchEngineDisplayer(const std::pair<string, Song> &pair, void *, const Menu< std::pair<string, Song> > *)
 {
 	return pair.first == "." ? DisplaySong(pair.second) : pair.first;
 }

src/search_engine.h

@@ -26,7 +26,7 @@
 
 const int search_engine_static_options = 17;
 
-string SearchEngineDisplayer(const std::pair<string, Song> &, void * = NULL);
+string SearchEngineDisplayer(const std::pair<string, Song> &, void *, const Menu< std::pair<string, Song> > *);
 void UpdateFoundList();
 void PrepareSearchEngine(Song &s);
 void Search(Song &);

src/tag_editor.cpp

@@ -60,7 +60,7 @@ string FindSharedDir(const SongList &v)
 	return result;
 }
 
-string DisplayTag(const Song &s, void *data)
+string DisplayTag(const Song &s, void *data, const Menu<Song> *null)
 {
 	switch (static_cast<Menu<string> *>(data)->GetChoice())
 	{

src/tag_editor.h

@@ -36,7 +36,7 @@ typedef void (Song::*SongSetFunction)(const string &);
 
 string FindSharedDir(Menu<Song> *);
 string FindSharedDir(const SongList &);
-string DisplayTag(const Song &, void *);
+string DisplayTag(const Song &, void *, const Menu<Song> *);
 
 bool GetSongTags(Song &);
 bool WriteTags(Song &);

src/window.cpp

@@ -740,6 +740,48 @@ string Window::OmitBBCodes(const string &str)
 	return result;
 }
 
+int Window::RealLength(const string &str)
+{
+	if (str.empty())
+		return 0;
+	
+	bool collect = false;
+	int length = 0;
+	
+#ifdef UTF8_ENABLED
+	wstring str2 = ToWString(str);
+	wstring tmp;
+#else
+	const string &str2 = str;
+	string tmp;
+#endif
+	
+	for (int i = 0; i < str2.length(); i++, length++)
+	{
+		if (str2[i] == '[' && (str2[i+1] == '.' || str2[i+1] == '/'))
+			collect = 1;
+		
+		if (collect)
+		{
+			if (str2[i] != '[')
+				tmp += str2[i];
+			else
+				tmp = str2[i];
+		}
+		
+		if (str2[i] == ']')
+			collect = 0;
+		
+		if (!collect && !tmp.empty())
+		{
+			if (isdigit(tmp[2]) || IsValidColor(TO_STRING(tmp)))
+				length -= tmp.length();
+			tmp.clear();
+		}
+	}
+	return length;
+}
+
 /*int CountBBCodes(const string &str)
 {
 	if (str.empty())

src/window.h

@@ -130,6 +130,7 @@ class Window
 		static Coordinates IntoCoordinates(const string &);
 		static bool IsValidColor(const string &);
 		static string OmitBBCodes(const string &);
+		static int RealLength(const string &);
 		
 	protected:
 		virtual void Recreate();