Fix @ send-key not working to send keys to self over TTY

gen/go_code.py

@@ -335,7 +335,6 @@ class JSONField:
 
 def go_code_for_remote_command(name: str, cmd: RemoteCommand, template: str) -> str:
     template = '\n' + template[len('//go:build exclude'):]
-    NO_RESPONSE_BASE = 'false'
     af: List[str] = []
     a = af.append
     af.extend(cmd.args.as_go_completion_code('ans'))
@@ -405,13 +404,14 @@ def go_code_for_remote_command(name: str, cmd: RemoteCommand, template: str) ->
     argspec = cmd.args.spec
     if argspec:
         argspec = ' ' + argspec
+    NO_RESPONSE = 'true' if cmd.disallow_responses else 'false'
     ans = replace(
         template,
         CMD_NAME=name, __FILE__=__file__, CLI_NAME=name.replace('_', '-'),
         SHORT_DESC=serialize_as_go_string(cmd.short_desc),
         LONG_DESC=serialize_as_go_string(cmd.desc.strip()),
         IS_ASYNC='true' if cmd.is_asynchronous else 'false',
-        NO_RESPONSE_BASE=NO_RESPONSE_BASE, ADD_FLAGS_CODE='\n'.join(af),
+        NO_RESPONSE_BASE=NO_RESPONSE, ADD_FLAGS_CODE='\n'.join(af),
         WAIT_TIMEOUT=str(cmd.response_timeout),
         OPTIONS_DECLARATION_CODE='\n'.join(od),
         JSON_DECLARATION_CODE='\n'.join(jd),

kitty/rc/base.py

@@ -331,6 +331,7 @@ class RemoteCommand:
     argspec = args_count = args_completion = ArgsHandling()
     field_to_option_map: Optional[Dict[str, str]] = None
     reads_streaming_data: bool = False
+    disallow_responses: bool = False
 
     def __init__(self) -> None:
         self.desc = self.desc or self.short_desc

kitty/rc/send_key.py

@@ -21,6 +21,7 @@ if TYPE_CHECKING:
 
 
 class SendKey(RemoteCommand):
+    disallow_responses = True
     protocol_spec = __doc__ = '''
     keys+/list.str: The keys to send
     match/str: A string indicating the window to send text to
@@ -33,8 +34,12 @@ class SendKey(RemoteCommand):
         'Send arbitrary key presses to specified windows. All specified keys are sent first as press events'
         ' then as release events in reverse order. Keys are sent to the programs running in the windows.'
         ' They are sent only if the current keyboard mode for the program supports the particular key.'
-        ' For example: send-key ctrl+a ctrl+b'
-    )
+        ' For example: send-key ctrl+a ctrl+b. Note that errors are not reported, for technical reasons,'
+        ' so send-key always succeeds, even if no key was sent to any window.'
+   )
+    # since send-key can send data over the tty to the window in which it was
+    # run --no-reponse is always in effect for it, hence errors are not
+    # reported.
     options_spec = MATCH_WINDOW_OPTION + '\n\n' + MATCH_TAB_OPTION.replace('--match -m', '--match-tab -t') + '''\n
 --all
 type=bool-set
@@ -54,11 +59,8 @@ Do not send text to the active window, even if it is one of the matched windows.
     def response_from_kitty(self, boss: Boss, window: Optional[Window], payload_get: PayloadGetType) -> ResponseType:
         windows = self.windows_for_payload(boss, None, payload_get, window_match_name='match')
         keys = payload_get('keys')
-        sent = False
         for w in windows:
-            if not w.send_key(*keys):
-                sent = True
-        sent
+            w.send_key(*keys)
         return None
 
 

kitty/rc/send_text.py

@@ -72,6 +72,7 @@ class FocusChangedSession(SessionAction):
 
 
 class SendText(RemoteCommand):
+    disallow_responses = True
     protocol_spec = __doc__ = '''
     data+/str: The data being sent. Can be either: text: followed by text or base64: followed by standard base64 encoded bytes
     match/str: A string indicating the window to send text to

tools/cmd/at/send_text.go

@@ -31,7 +31,6 @@ func make_file_gen(f *os.File) func(*rc_io_data) (bool, error) {
 
 }
 func parse_send_text(io_data *rc_io_data, args []string) error {
-	io_data.rc.NoResponse = true
 	generators := make([]func(io_data *rc_io_data) (bool, error), 0, 1)
 
 	if len(args) > 0 {