support encircled escape code. Closes T6769

src/bin/termpty.h

@@ -64,11 +64,14 @@ struct _Termatt
    unsigned short autowrapped : 1;
    unsigned short newline : 1;
    unsigned short fraktur : 1;
+   unsigned short framed : 1;
+   unsigned short encircled : 1;
+   unsigned short overlined : 1;
 #if defined(SUPPORT_80_132_COLUMNS)
    unsigned short is_80_132_mode_allowed : 1;
-   unsigned short bit_padding : 14;
+   unsigned short bit_padding : 11;
 #else
-   unsigned short bit_padding : 15;
+   unsigned short bit_padding : 12;
 #endif
 };
 

src/bin/termptyesc.c

@@ -847,6 +847,24 @@ _handle_esc_csi_color_set(Termpty *ty, Eina_Unicode **ptr)
                    ty->termstate.att.bg = COL_DEF;
                    ty->termstate.att.bgintense = 0;
                    break;
+                case 51:
+                   WRN("TODO: support SGR 51 - framed attribute");
+                   ty->termstate.att.framed = 1;
+                   break;
+                case 52:
+                   ty->termstate.att.encircled = 1;
+                   break;
+                case 53:
+                   WRN("TODO: support SGR 51 - overlined attribute");
+                   ty->termstate.att.overlined = 1;
+                   break;
+                case 54:
+                   ty->termstate.att.framed = 0;
+                   ty->termstate.att.encircled = 0;
+                   break;
+                case 55:
+                   ty->termstate.att.overlined = 0;
+                   break;
                 case 90: // fg
                 case 91:
                 case 92:

src/bin/termptygfx.c

@@ -60,5 +60,22 @@ _termpty_charset_trans(const Termpty *ty, Eina_Unicode g)
              g += 0x1d504 - 'A';
           }
      }
+   else if (ty->termstate.att.encircled)
+     {
+        if (g >= 'a' && g <= 'z')
+          {
+             g += 0x24d0 - 'a';
+          }
+        else if (g >= 'A' && g <= 'Z')
+          {
+             g += 0x24b6 - 'A';
+          }
+        else if (g >= '1' && g <= '9')
+          {
+             g += 0x2460 - '0';
+          }
+        else if (g == '0')
+          g = 0x24ea;
+     }
    return g;
 }

src/bin/termptyops.c

@@ -418,6 +418,9 @@ termpty_reset_att(Termatt *att)
    att->autowrapped = 0;
    att->newline = 0;
    att->fraktur = 0;
+   att->framed = 0;
+   att->encircled = 0;
+   att->overlined = 0;
 }
 
 void

tools/fonts.sh

@@ -18,3 +18,7 @@ echo -ne "\033[3;1mABCDEFGHIJKLMNOPQRSTUVWXYZ\n\033[0m"
 echo -ne "\nfraktur\n"
 echo -ne "\033[20mabcdefghijklmnopqrstuvwxyz\n\033[0m"
 echo -ne "\033[20mABCDEFGHIJKLMNOPQRSTUVWXYZ\n\033[0m"
+
+echo -ne "\nencircled\n"
+echo -ne "\033[52ma b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4\n\033[0m"
+echo -ne "\033[52mA B C D E F G H I J K L M N O P Q R S T U V W X Y Z 5 6 7 8 9\n\033[0m"