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diff src/libvterm/src/state.c @ 31192:dcde141f2d1e v9.0.0930

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patch 9.0.0930: cannot debug the Kitty keyboard protocol with TermDebug Commit: https://github.com/vim/vim/commit/63a2e360cca2c70ab0a85d14771d3259d4b3aafa Author: Bram Moolenaar <Bram@vim.org> Date: Wed Nov 23 20:20:18 2022 +0000 patch 9.0.0930: cannot debug the Kitty keyboard protocol with TermDebug Problem: Cannot debug the Kitty keyboard protocol with TermDebug. Solution: Add Kitty keyboard protocol support to the libvterm fork. Recognize the escape sequences that the protocol generates. Add the 'keyprotocol' option to allow the user to specify for which terminal what protocol is to be used, instead of hard-coding this. Add recognizing the kitty keyboard protocol status.
author Bram Moolenaar <Bram@vim.org>
date Wed, 23 Nov 2022 21:30:04 +0100
parents 82336c3b679d
children 984ebd1f6605
line wrap: on
line diff
--- a/src/libvterm/src/state.c
+++ b/src/libvterm/src/state.c
@@ -1423,9 +1423,37 @@ static int on_csi(const char *leader, co
     }
     break;
 
-  case LEADER('>', 0x6d): // xterm resource modifyOtherKeys
+  case LEADER('>', 0x6d): // CSI > 4 ; Pv m   xterm resource modifyOtherKeys
     if (argcount == 2 && args[0] == 4)
+    {
+      // can't have both modify_other_keys and kitty_keyboard
+      state->mode.kitty_keyboard = 0;
+
       state->mode.modify_other_keys = args[1] == 2;
+    }
+    break;
+
+  case LEADER('>', 0x75): // CSI > 1 u  enable kitty keyboard protocol
+    if (argcount == 1 && args[0] == 1)
+    {
+      // can't have both modify_other_keys and kitty_keyboard
+      state->mode.modify_other_keys = 0;
+
+      state->mode.kitty_keyboard = 1;
+    }
+    break;
+
+  case LEADER('<', 0x75): // CSI < u  disable kitty keyboard protocol
+    if (argcount <= 1)
+      state->mode.kitty_keyboard = 0;
+    break;
+
+  case LEADER('?', 0x75): // CSI ? u  request kitty keyboard protocol state
+    if (argcount <= 1)
+      // TODO: this only uses the values zero and one.  The protocol specifies
+      // more values, the progressive enhancement flags.
+      vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "?%du",
+						   state->mode.kitty_keyboard);
     break;
 
   case 0x6e: // DSR - ECMA-48 8.3.35