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feat(terminal): trigger TermRequest autocommand events (#22159)

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This commit implements a new TermRequest autocommand event and has Neovim
emit this event when children of terminal buffers emit an OSC or DCS sequence
libvterm does not handle.

The TermRequest autocommand event has additional data in the
v:termrequest variable.

Co-authored-by: Gregory Anders <greg@gpanders.com>
This commit is contained in:
Ghjuvan Lacambre
2024-01-09 15:27:56 +01:00
committed by GitHub
parent f40df63bdc
commit beca827212
11 changed files with 156 additions and 4 deletions
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49
src/nvim/terminal.c
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@@ -169,6 +169,54 @@ static VTermScreenCallbacks vterm_screen_callbacks = {
static Set(ptr_t) invalidated_terminals = SET_INIT;
static void emit_term_request(void **argv)
{
char *payload = argv[0];
size_t payload_length = (size_t)argv[1];
String termrequest = { .data = payload, .size = payload_length };
Object data = STRING_OBJ(termrequest);
set_vim_var_string(VV_TERMREQUEST, payload, (ptrdiff_t)payload_length);
apply_autocmds_group(EVENT_TERMREQUEST, NULL, NULL, false, AUGROUP_ALL, curbuf, NULL, &data);
xfree(payload);
}
static int on_osc(int command, VTermStringFragment frag, void *user)
{
if (frag.str == NULL) {
return 0;
}
StringBuilder request = KV_INITIAL_VALUE;
kv_printf(request, "\x1b]%d;", command);
kv_concat_len(request, frag.str, frag.len);
multiqueue_put(main_loop.events, emit_term_request, request.items, (void *)request.size);
return 1;
}
static int on_dcs(const char *command, size_t commandlen, VTermStringFragment frag, void *user)
{
if ((command == NULL) || (frag.str == NULL)) {
return 0;
}
StringBuilder request = KV_INITIAL_VALUE;
kv_printf(request, "\x1bP%*s", (int)commandlen, command);
kv_concat_len(request, frag.str, frag.len);
multiqueue_put(main_loop.events, emit_term_request, request.items, (void *)request.size);
return 1;
}
static VTermStateFallbacks vterm_fallbacks = {
.control = NULL,
.csi = NULL,
.osc = on_osc,
.dcs = on_dcs,
.apc = NULL,
.pm = NULL,
.sos = NULL,
};
void terminal_init(void)
{
time_watcher_init(&main_loop, &refresh_timer, NULL);
@@ -222,6 +270,7 @@ void terminal_open(Terminal **termpp, buf_T *buf, TerminalOptions opts)
vterm_screen_enable_reflow(rv->vts, true);
// delete empty lines at the end of the buffer
vterm_screen_set_callbacks(rv->vts, &vterm_screen_callbacks, rv);
vterm_screen_set_unrecognised_fallbacks(rv->vts, &vterm_fallbacks, rv);
vterm_screen_set_damage_merge(rv->vts, VTERM_DAMAGE_SCROLL);
vterm_screen_reset(rv->vts, 1);
vterm_output_set_callback(rv->vt, term_output_callback, rv);