termptyesc: support DSR-OS + test

src/bin/termptyesc.c

@@ -971,6 +971,20 @@ _handle_esc_csi_dsr(Termpty *ty, Eina_Unicode *b)
    arg = _csi_arg_get(&b);
    switch (arg)
      {
+      case 5:
+         if (question_mark)
+           {
+              WRN("unhandled DSR (dec specific: %s) %d",
+                  (question_mark)? "yes": "no", arg);
+           }
+         else
+           {
+              /* DSR-OS (Operating Status)
+               * Reply Ok */
+              termpty_write(ty, "\033[0n",
+                            strlen("\033[0n"));
+           }
+         break;
       case 6:
            {
               int cx = ty->cursor_state.cx,

tests/dsr-os.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+# fill space with E
+printf '\033#8'
+#set color
+printf '\033[46;31;3m'
+
+printf '\033[5n'

tests/tests.results

@@ -22,3 +22,4 @@ dsr-dir.sh 28b0d8b4b60f3c61d49cee69895a07b2
 dsr-kbd.sh 1c474c101697080a85563d9b5bc1505c
 dsr-msr.sh 1e695391937cf7235ba96dbeae5227fd
 dsr-deccksr.sh 6c3483e8e47a110a7b97eaffd9c5ff83
+dsr-os.sh 1645f13652d7ee51d66dc93000247280