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An echo escape code to echo data via the TTY

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Kovid Goyal 2022-02-20 20:01:07 +05:30
parent d8ed42ae8e
commit cf01480ec8
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GPG Key ID: 06BC317B515ACE7C
3 changed files with 20 additions and 1 deletions
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13
kitty/parser.c
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@ -1080,11 +1080,22 @@ dispatch_dcs(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
screen_handle_print(screen, msg);
Py_DECREF(msg);
} else PyErr_Clear();
#undef PRINT_PREFIX
#define ECHO_PREFIX "kitty-echo|"
} else if (startswith(screen->parser_buf + 1, screen->parser_buf_pos - 1, ECHO_PREFIX)) {
const size_t pp_size = sizeof(ECHO_PREFIX);
PyObject *msg = PyUnicode_FromKindAndData(PyUnicode_4BYTE_KIND, screen->parser_buf + pp_size, screen->parser_buf_pos - pp_size);
if (msg != NULL) {
REPORT_OSC2(screen_handle_echo, (char)screen->parser_buf[0], msg);
screen_handle_echo(screen, msg);
Py_DECREF(msg);
} else PyErr_Clear();
#undef ECHO_PREFIX
} else {
REPORT_ERROR("Unrecognized DCS @ code: 0x%x", screen->parser_buf[1]);
}
break;
#undef PRINT_PREFIX
default:
REPORT_ERROR("Unrecognized DCS code: 0x%x", screen->parser_buf[0]);
break;

7
kitty/screen.c
View File

@ -2104,6 +2104,13 @@ screen_handle_print(Screen *self, PyObject *msg) {
CALLBACK("handle_remote_print", "O", msg);
}
void
screen_handle_echo(Screen *self, PyObject *msg) {
Py_ssize_t sz;
const char *bytes = PyUnicode_AsUTF8AndSize(msg, &sz);
write_to_child(self, bytes, sz);
}
void
screen_request_capabilities(Screen *self, char c, PyObject *q) {
static char buf[128];

1
kitty/screen.h
View File

@ -208,6 +208,7 @@ void screen_push_colors(Screen *, unsigned int);
void screen_pop_colors(Screen *, unsigned int);
void screen_report_color_stack(Screen *);
void screen_handle_print(Screen *, PyObject *cmd);
void screen_handle_echo(Screen *, PyObject *cmd);
void screen_designate_charset(Screen *, uint32_t which, uint32_t as);
void screen_use_latin1(Screen *, bool);
void set_title(Screen *self, PyObject*);