Add multiline status line support for file panels

far/FarCze.hlf.m4

@@ -4404,6 +4404,28 @@ slow down the directory reading.
  #Typ sloupce stavového řádku# a #Šířka sloupce stavového řádku# -
 podobně jako "Typ sloupců" a "Šířka sloupců", ale pro panel stavové řádky.
 
+ Multiple status lines are supported. To define them, separate column type
+and width groups with the #|# (pipe) character. Each group describes one
+status line.
+
+ For example, #N,S|Z# in #Status line column types# and #0,10|0# in
+#Status line column widths# will display file name and size on the first
+status line, and file description on the second one.
+
+ Empty status lines are also allowed. For example, #N,S||Z# defines three
+status lines: file name and size on the first line, an empty second line,
+and file description on the third one.
+
+ Parsing of #Status line column widths# is relaxed. Widths are assigned
+according to the layout specified in #Status line column types#. Therefore,
+in addition to #|#, the #,# (comma) character can also be used between
+width groups, and omitted empty groups are inferred automatically.
+
+ For example, for #N,S|Z# it is allowed to specify #0,10,0# instead of
+#0,10|0#. For #N,S||Z# it is also allowed to specify #0,10,0# instead of
+#0,10||0#. In both cases the widths are distributed using the structure of
+#Status line column types#.
+
  #Celoobrazovkový režim# - nastaví celoobrazovkový pohled místo půlobrazového.
 
  #Zarovnat přípony souborů# - zobrazení přípon souborů zarovnaně.

far/FarEng.hlf.m4

@@ -4274,53 +4274,53 @@ files will be listed on a single stripe.
 
  The following column types are supported:
 
- N[M[D],O,R[F],N] - file name, where:
-                    M - ^<wrap>show selection marks where:
-                        D - dynamic selection marks;
-                    O - ^<wrap>show names without paths (intended mostly for ~plugins~@Plugins@);
-                    R - ^<wrap>right align names that do not fit in column, where:
-                        F - right align all names;
-                    N - ^<wrap>do not show extensions in name column;
+ #N[M[D],O,R[F],N]# - file name, where:
+                    #M# - ^<wrap>show selection marks where:
+                        #D# - dynamic selection marks;
+                    #O# - ^<wrap>show names without paths (intended mostly for ~plugins~@Plugins@);
+                    #R# - ^<wrap>right align names that do not fit in column, where:
+                        #F# - right align all names;
+                    #N# - ^<wrap>do not show extensions in name column;
 
  These modifiers can be used in combination, for example NMR.
 
- X[R]       - file extension, where:
-              R - ^<wrap>right align file extension;
+ #X[R]#       - file extension, where:
+              #R# - ^<wrap>right align file extension;
 
- S[C,T,F,E] - file size
- P[C,T,F,E] - allocation file size
- G[C,T,F,E] - size of file streams, where:
-              C - ^<wrap>group digits using the character from Windows settings;
-              T - ^<wrap>use decimal units instead of binary,
+ #S[C,T,F,E]# - file size
+ #P[C,T,F,E]# - allocation file size
+ #G[C,T,F,E]# - size of file streams, where:
+              #C# - ^<wrap>group digits using the character from Windows settings;
+              #T# - ^<wrap>use decimal units instead of binary,
 i.e., to calculate kilobytes, the size will be divided by 1000 instead
 of by 1024; in this mode unit character is shown in lower case, e.g. #k#,
 #m#, #g# instead of #K#, #M#, #G#;
-              F - ^<wrap>show size as a decimal fraction with
+              #F# - ^<wrap>show size as a decimal fraction with
 no more than three digits before decimal point, e.g. 999 bytes will
 be shown as #999#, while 1024 bytes as #1.00 K#; note that the behavior
 depends on whether the #T# modifier is used;
-              E - ^<wrap>economic mode, no space between the
+              #E# - ^<wrap>economic mode, no space between the
 size and the unit character, e.g. #1.00k#;
 
- D          - file last write date;
- T          - file last write time;
+ #D#          - file last write date;
+ #T#          - file last write time;
 
- DM[B,M]    - file last write date and time;
- DC[B,M]    - file creation date and time;
- DA[B,M]    - file last access date and time;
- DE[B,M]    - file change date and time, where:
-              B - brief (Unix style) file time format;
-              M - use text month names;
+ #DM[B,M]#    - file last write date and time;
+ #DC[B,M]#    - file creation date and time;
+ #DA[B,M]#    - file last access date and time;
+ #DE[B,M]#    - file change date and time, where:
+              #B# - brief (Unix style) file time format;
+              #M# - use text month names;
 
- A          - file attributes;
- Z          - file descriptions;
+ #A#          - file attributes;
+ #Z#          - file descriptions;
 
- O[L]       - file owner, where:
-              L - show domain name;
+ #O[L]#       - file owner, where:
+              #L# - show domain name;
 
- LN         - number of hard links;
+ #LN#         - number of hard links;
 
- F          - number of streams.
+ #F#          - number of streams.
 
  If the column types description contains more than one file name column,
 the file panel will be displayed in multicolumn form.
@@ -4369,7 +4369,29 @@ to the display of seconds and milliseconds.
 slow down the directory reading.
 
  #Status line column types# and #Status line column widths# -
-similar to "Column types" and "Column widths", but for panel status line.
+similar to #Column types# and #Column widths#, but for panel status line.
+
+ Multiple status lines are supported. To define them, separate column type
+and width groups with the #|# (pipe) character. Each group describes one
+status line.
+
+ For example, #N,S|Z# in #Status line column types# and #0,10|0# in
+#Status line column widths# will display file name and size on the first
+status line, and file description on the second one.
+
+ Empty status lines are also allowed. For example, #N,S||Z# defines three
+status lines: file name and size on the first line, an empty second line,
+and file description on the third one.
+
+ Parsing of #Status line column widths# is relaxed. Widths are assigned
+according to the layout specified in #Status line column types#. Therefore,
+in addition to #|#, the #,# (comma) character can also be used between
+width groups, and omitted empty groups are inferred automatically.
+
+ For example, for #N,S|Z# it is allowed to specify #0,10,0# instead of
+#0,10|0#. For #N,S||Z# it is also allowed to specify #0,10,0# instead of
+#0,10||0#. In both cases the widths are distributed using the structure of
+#Status line column types#.
 
  #Fullscreen view# - force fullscreen view instead of half-screen.
 

far/FarGer.hlf.m4

@@ -4452,6 +4452,28 @@ slow down the directory reading.
 wie "Spaltentypen" und "Spaltenbreite", jedoch für die Statuszeile des
 Fensters.
 
+ Multiple status lines are supported. To define them, separate column type
+and width groups with the #|# (pipe) character. Each group describes one
+status line.
+
+ For example, #N,S|Z# in #Status line column types# and #0,10|0# in
+#Status line column widths# will display file name and size on the first
+status line, and file description on the second one.
+
+ Empty status lines are also allowed. For example, #N,S||Z# defines three
+status lines: file name and size on the first line, an empty second line,
+and file description on the third one.
+
+ Parsing of #Status line column widths# is relaxed. Widths are assigned
+according to the layout specified in #Status line column types#. Therefore,
+in addition to #|#, the #,# (comma) character can also be used between
+width groups, and omitted empty groups are inferred automatically.
+
+ For example, for #N,S|Z# it is allowed to specify #0,10,0# instead of
+#0,10|0#. For #N,S||Z# it is also allowed to specify #0,10,0# instead of
+#0,10||0#. In both cases the widths are distributed using the structure of
+#Status line column types#.
+
  #Vollbildschirm# - erzwingt Anzeige des Fensters anstelle über der
 halben über die volle Bildschirmseite.
 

far/FarHun.hlf.m4

@@ -4472,6 +4472,28 @@ slow down the directory reading.
 beállítása hasonlóan működik az "Oszloptípusokhoz" és "Oszlopszélességekhez",
 de a panelek állapotsorára hat.
 
+ Multiple status lines are supported. To define them, separate column type
+and width groups with the #|# (pipe) character. Each group describes one
+status line.
+
+ For example, #N,S|Z# in #Status line column types# and #0,10|0# in
+#Status line column widths# will display file name and size on the first
+status line, and file description on the second one.
+
+ Empty status lines are also allowed. For example, #N,S||Z# defines three
+status lines: file name and size on the first line, an empty second line,
+and file description on the third one.
+
+ Parsing of #Status line column widths# is relaxed. Widths are assigned
+according to the layout specified in #Status line column types#. Therefore,
+in addition to #|#, the #,# (comma) character can also be used between
+width groups, and omitted empty groups are inferred automatically.
+
+ For example, for #N,S|Z# it is allowed to specify #0,10,0# instead of
+#0,10|0#. For #N,S||Z# it is also allowed to specify #0,10,0# instead of
+#0,10||0#. In both cases the widths are distributed using the structure of
+#Status line column types#.
+
  #Teljes képernyős nézet# - osztott képernyő helyett a fájlpanel elfoglalja
 a teljes képernyőszélességet.
 

far/FarPol.hlf.m4

@@ -4374,6 +4374,28 @@ może znacząco spowolnić odczyt folderu.
  #Typy kolumn linii statusu# i #Szerokości kolumn linii statusu# -
 podobnie do "Typów kolumn" i "Szerokości kolumn", ale dotyczą linii statusu panelu.
 
+ Multiple status lines are supported. To define them, separate column type
+and width groups with the #|# (pipe) character. Each group describes one
+status line.
+
+ For example, #N,S|Z# in #Status line column types# and #0,10|0# in
+#Status line column widths# will display file name and size on the first
+status line, and file description on the second one.
+
+ Empty status lines are also allowed. For example, #N,S||Z# defines three
+status lines: file name and size on the first line, an empty second line,
+and file description on the third one.
+
+ Parsing of #Status line column widths# is relaxed. Widths are assigned
+according to the layout specified in #Status line column types#. Therefore,
+in addition to #|#, the #,# (comma) character can also be used between
+width groups, and omitted empty groups are inferred automatically.
+
+ For example, for #N,S|Z# it is allowed to specify #0,10,0# instead of
+#0,10|0#. For #N,S||Z# it is also allowed to specify #0,10,0# instead of
+#0,10||0#. In both cases the widths are distributed using the structure of
+#Status line column types#.
+
  #Widok pełnoekranowy# - wymusza wyświetlanie na pełnym ekranie zamiast na połowie.
 
  #Wyrównaj rozszerzenia plików# - pokazuje wyrównane rozszerzenia plików.

far/FarRus.hlf.m4

@@ -4429,6 +4429,28 @@ $ #Настройка режимов просмотра панели файло
 аналогично "Типам колонок" и "Ширине колонок", но для строки статуса
 панели.
 
+ Multiple status lines are supported. To define them, separate column type
+and width groups with the #|# (pipe) character. Each group describes one
+status line.
+
+ For example, #N,S|Z# in #Status line column types# and #0,10|0# in
+#Status line column widths# will display file name and size on the first
+status line, and file description on the second one.
+
+ Empty status lines are also allowed. For example, #N,S||Z# defines three
+status lines: file name and size on the first line, an empty second line,
+and file description on the third one.
+
+ Parsing of #Status line column widths# is relaxed. Widths are assigned
+according to the layout specified in #Status line column types#. Therefore,
+in addition to #|#, the #,# (comma) character can also be used between
+width groups, and omitted empty groups are inferred automatically.
+
+ For example, for #N,S|Z# it is allowed to specify #0,10,0# instead of
+#0,10|0#. For #N,S||Z# it is also allowed to specify #0,10,0# instead of
+#0,10||0#. In both cases the widths are distributed using the structure of
+#Status line column types#.
+
  #Полноэкранный режим# - показывать панель во весь экран вместо
 половины экрана.
 

far/FarSky.hlf.m4

@@ -4364,7 +4364,29 @@ sekundy resp. milisekundy.
 slow down the directory reading.
 
  #Typy stavového riadku# a #Šírky stavového riadku# -
-sú podobné "Typom stĺpcov" a "Šírkam stĺpcov", ale platia pre stavový riadok.
+sú podobné #Typom stĺpcov# a #Šírkam stĺpcov#, ale platia pre stavový riadok.
+
+ Multiple status lines are supported. To define them, separate column type
+and width groups with the #|# (pipe) character. Each group describes one
+status line.
+
+ For example, #N,S|Z# in #Status line column types# and #0,10|0# in
+#Status line column widths# will display file name and size on the first
+status line, and file description on the second one.
+
+ Empty status lines are also allowed. For example, #N,S||Z# defines three
+status lines: file name and size on the first line, an empty second line,
+and file description on the third one.
+
+ Parsing of #Status line column widths# is relaxed. Widths are assigned
+according to the layout specified in #Status line column types#. Therefore,
+in addition to #|#, the #,# (comma) character can also be used between
+width groups, and omitted empty groups are inferred automatically.
+
+ For example, for #N,S|Z# it is allowed to specify #0,10,0# instead of
+#0,10|0#. For #N,S||Z# it is also allowed to specify #0,10,0# instead of
+#0,10||0#. In both cases the widths are distributed using the structure of
+#Status line column types#.
 
  #Celá obrazovka# - nastaví jeden panel na celú obrazovku namiesto zvyčajnej polovičky.
 

far/FarUkr.hlf.m4

@@ -4436,6 +4436,28 @@ slow down the directory reading.
 аналогічно "Типам стовпчиків" і "Ширині стовпчиків", але для рядка статусу
 панелі.
 
+ Multiple status lines are supported. To define them, separate column type
+and width groups with the #|# (pipe) character. Each group describes one
+status line.
+
+ For example, #N,S|Z# in #Status line column types# and #0,10|0# in
+#Status line column widths# will display file name and size on the first
+status line, and file description on the second one.
+
+ Empty status lines are also allowed. For example, #N,S||Z# defines three
+status lines: file name and size on the first line, an empty second line,
+and file description on the third one.
+
+ Parsing of #Status line column widths# is relaxed. Widths are assigned
+according to the layout specified in #Status line column types#. Therefore,
+in addition to #|#, the #,# (comma) character can also be used between
+width groups, and omitted empty groups are inferred automatically.
+
+ For example, for #N,S|Z# it is allowed to specify #0,10,0# instead of
+#0,10|0#. For #N,S||Z# it is also allowed to specify #0,10,0# instead of
+#0,10||0#. In both cases the widths are distributed using the structure of
+#Status line column types#.
+
  #Повноекранний режим# - показувати панель на весь екран замість
 половини екрана.
 

far/config.cpp

@@ -953,7 +953,7 @@ static void ResetViewModes(std::span<PanelViewSettings> const Modes, int const I
 {
 	static const struct
 	{
-		std::initializer_list<column> PanelColumns, StatusColumns;
+		std::initializer_list<column> PanelColumns, StatusLine;
 		unsigned long long Flags;
 	}
 	InitialModes[]
@@ -1113,7 +1113,7 @@ static void ResetViewModes(std::span<PanelViewSettings> const Modes, int const I
 	const auto InitMode = [](const auto& src, auto& dst)
 	{
 		dst.PanelColumns = src.PanelColumns;
-		dst.StatusColumns = src.StatusColumns;
+		dst.StatusLines = { src.StatusLine };
 		dst.Flags = src.Flags;
 		dst.Name.clear();
 	};
@@ -1348,7 +1348,7 @@ void Options::SetFilePanelModes()
 
 			ModeDlg[MD_EDITNAME].strData = CurrentSettings.Name;
 			std::tie(ModeDlg[MD_EDITTYPES].strData, ModeDlg[MD_EDITWIDTHS].strData) = SerialiseViewSettings(CurrentSettings.PanelColumns);
-			std::tie(ModeDlg[MD_EDITSTATUSTYPES].strData, ModeDlg[MD_EDITSTATUSWIDTHS].strData) = SerialiseViewSettings(CurrentSettings.StatusColumns);
+			std::tie(ModeDlg[MD_EDITSTATUSTYPES].strData, ModeDlg[MD_EDITSTATUSWIDTHS].strData) = serialize_status_line_settings(CurrentSettings.StatusLines);
 		}
 
 		int ExitCode;
@@ -1376,7 +1376,7 @@ void Options::SetFilePanelModes()
 
 				NewSettings.Name = ModeDlg[MD_EDITNAME].strData;
 				NewSettings.PanelColumns = DeserialiseViewSettings(ModeDlg[MD_EDITTYPES].strData, ModeDlg[MD_EDITWIDTHS].strData);
-				NewSettings.StatusColumns = DeserialiseViewSettings(ModeDlg[MD_EDITSTATUSTYPES].strData, ModeDlg[MD_EDITSTATUSWIDTHS].strData);
+				NewSettings.StatusLines = deserialize_status_line_settings(ModeDlg[MD_EDITSTATUSTYPES].strData, ModeDlg[MD_EDITSTATUSWIDTHS].strData);
 			}
 			else
 			{
@@ -2861,7 +2861,7 @@ void Options::ReadPanelModes()
 		if (!StatusColumnTitles.empty())
 		{
 			const auto StatusColumnWidths = cfg->GetValue<string>(Key, ModesStatusColumnWidthsName);
-			i.StatusColumns = DeserialiseViewSettings(StatusColumnTitles, StatusColumnWidths);
+			i.StatusLines = deserialize_status_line_settings(StatusColumnTitles, StatusColumnWidths);
 		}
 	};
 
@@ -2897,7 +2897,7 @@ void Options::SavePanelModes(bool always)
 	const auto SaveMode = [&](HierarchicalConfig::key const ModesKey, PanelViewSettings const& Item, size_t Index)
 	{
 		const auto [PanelTitles, PanelWidths] = SerialiseViewSettings(Item.PanelColumns);
-		const auto [StatusTitles, StatusWidths] = SerialiseViewSettings(Item.StatusColumns);
+		const auto [StatusTitles, StatusWidths] = serialize_status_line_settings(Item.StatusLines);
 
 		const auto Key = cfg->CreateKey(ModesKey, str(Index));