* vt_parser.c: "CSI > q" (XTVERSION) is supported.

(The response is "DCS > | mlterm(3.9.1) ST")
arakiken · Jul 2, 2021 · 13470bb · 13470bb
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,8 @@
+2021-07-03  Araki Ken  <arakiken@users.sf.net>
+
+	* vt_parser.c: "CSI > q" (XTVERSION) is supported.
+	  (The response is "DCS > | mlterm(3.9.1) ST")
+
 2021-07-01  Araki Ken  <arakiken@users.sf.net>
 
 	* vt_parser.c: show_picture() restores vt_parser->is_visible_cursor

diff --git a/doc/en/ControlSequences b/doc/en/ControlSequences
@@ -281,6 +281,7 @@ O XTEXTSCRN (Save cursor as in DECSC and use Alternate Screen Buffer)
 O XTBRACKET (Set bracketed paste mode)                      CSI ? 2004 [hl]
 O XTMDKEY                                                   CSI > Pn;Ps m
 O XTMDKYD                                                   CSI > Pn n
+O XTVERSION                                                 CSI > Pn q
 O XTMSEANY (Use All Motion Mouse Tracking)                  CSI ? 1003 [hl]
 O XTMSEBTN (Use Cell Motion Mouse Tracking)                 CSI ? 1002 [hl]
 O XTMSERXVT (Enable urxvt Mouse Mode)                       CSI ? 1015 [hl]

diff --git a/doc/en/ReleaseNote b/doc/en/ReleaseNote
@@ -1,5 +1,6 @@
 * Support Fcitx5.
 * Support GTK4 for mlconfig. (./configure --with-gtk=4.0)
+* Support CSI > Ps q (XTVERSION).
 * Add "MOSH_UDP_PORT" environmental variable to specify UDP port or port-range
   to communicate with a mosh server.
 * Add INSERT_CLIPBOARD shortcut key.

diff --git a/vtemu/vt_parser.c b/vtemu/vt_parser.c
@@ -4941,6 +4941,12 @@ inline static int parse_vt100_escape_sequence(
           /* "CSI > p" pointer mode */
 
           vt_parser->hide_pointer_mode = ps[0];
+        } else if (*str_p == 'q') {
+          /* "CSI > q" XTVERSION */
+
+          char xtversion[] = "\x1bP>|mlterm(3.9.1)\x1b\\";
+
+          vt_write_to_pty(vt_parser->pty, xtversion, sizeof(xtversion) - 1);
         } else if (*str_p == 't') {
           /* "CSI > t" */