Line number colors

src/gd_sophia_editor.erl

@@ -67,6 +67,8 @@ palette(light) ->
       ?STRING     => ?red,
       ?NUMBER     => ?magenta,
       ?OPERATOR   => ?brown,
+      line_num    => ?brown,
+      cursor      => ?black,
       bg          => ?high_white};
 palette(dark) ->
     #{?DEFAULT    => ?white,
@@ -76,6 +78,8 @@ palette(dark) ->
       ?STRING     => ?light_red,
       ?NUMBER     => ?light_magenta,
       ?OPERATOR   => ?yellow,
+      line_num    => ?light_cyan,
+      cursor      => ?white,
       bg          => ?not_black}.
 
 color_mode() ->
@@ -114,13 +118,15 @@ set_text(STC, Text) ->
 
 set_colors(STC) ->
     ok = wxStyledTextCtrl:styleClearAll(STC),
-    Palette = #{bg := BGC} = palette(color_mode()),
+    Palette = #{bg := BGC, cursor := CC, line_num := LNC} = palette(color_mode()),
     Colorize =
         fun(Style) ->
             Color = maps:get(Style, Palette),
             ok = wxStyledTextCtrl:styleSetForeground(STC, Style, Color),
             ok = wxStyledTextCtrl:styleSetBackground(STC, Style, BGC)
         end,
+    ok = wxStyledTextCtrl:setCaretForeground(STC, CC),
+    ok = wxStyledTextCtrl:styleSetForeground(STC, ?wxSTC_STYLE_LINENUMBER, LNC),
     ok = wxStyledTextCtrl:styleSetBackground(STC, ?wxSTC_STYLE_DEFAULT, BGC),
     lists:foreach(Colorize, styles()).