termptyesc: debug (re)setting cursor color + test

Do nothing for the moment. One could think about using color class for
that.

src/bin/termptyesc.c

@@ -3622,7 +3622,7 @@ _osc_arg_get(Termpty *ty, Eina_Unicode **ptr)
              goto error;
           }
      }
-   if (*b != ';')
+   if (*b != ';' && *b != BEL)
      {
         sum = -ESC_ARG_ERROR;
         goto error;
@@ -3636,7 +3636,6 @@ _osc_arg_get(Termpty *ty, Eina_Unicode **ptr)
 error:
    ERR("Invalid OSC argument");
    ty->decoding_error = EINA_TRUE;
-   *ptr = NULL;
    return sum;
 }
 
@@ -4322,6 +4321,9 @@ _handle_esc_osc(Termpty *ty, const Eina_Unicode *c, const Eina_Unicode *ce)
           goto err;
         _handle_xterm_11_command(ty, p, cc - c - (p - buf));
         break;
+      case 12:
+        DBG("Set cursor color");
+        break;
       case 50:
         DBG("xterm font support");
         if (!p || !*p)

tests/tests.results

@@ -148,3 +148,4 @@ xterm-osc-11.sh 3e02038964b78d948fb599c996bf370d
 xterm-colors-sharp.sh 79d6f72df04237d76a0fa3e722dcec5b
 xterm-colors-rgb.sh d9b55817ef8428343105b44dabd535a8
 xterm-colors-rgbi.sh d9b55817ef8428343105b44dabd535a8
+xterm-set-cursor-color.sh e11819850eb17c3b09b94743e6b64ebd

tests/xterm-set-cursor-color.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# char width: 7
+# char height: 15
+
+# set color
+printf '\033[0;31;3m'
+
+# clear screen
+printf '\033[2J'
+
+# move to 0; 0
+printf '\033[0;0H'
+
+# set color
+printf '\033[0m'
+
+# set cursor color
+printf '\033]12;#ff00ff\007'
+exit 0
+# reset cursor color
+printf '\033]112\007'