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feat(terminal): add support for kitty keyboard protocol

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This commit adds basic support for the kitty keyboard protocol to
Neovim's builtin terminal. For now only the first mode ("Disambiguate
escape codes") is supported.
This commit is contained in:
Gregory Anders
2025-01-15 11:07:51 -06:00
parent bbf36ef8ef
commit 6f0bde11cc
8 changed files with 301 additions and 47 deletions
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13
src/nvim/terminal.c
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@@ -783,7 +783,12 @@ static int terminal_execute(VimState *state, int key)
{
TerminalState *s = (TerminalState *)state;
switch (key) {
// Check for certain control keys like Ctrl-C and Ctrl-\. We still send the
// unmerged key and modifiers to the terminal.
int tmp_mod_mask = mod_mask;
int mod_key = merge_modifiers(key, &tmp_mod_mask);
switch (mod_key) {
case K_LEFTMOUSE:
case K_LEFTDRAG:
case K_LEFTRELEASE:
@@ -841,13 +846,13 @@ static int terminal_execute(VimState *state, int key)
FALLTHROUGH;
default:
if (key == Ctrl_C) {
if (mod_key == Ctrl_C) {
// terminal_enter() always sets `mapped_ctrl_c` to avoid `got_int`. 8eeda7169aa4
// But `got_int` may be set elsewhere, e.g. by interrupt() or an autocommand,
// so ensure that it is cleared.
got_int = false;
}
if (key == Ctrl_BSL && !s->got_bsl) {
if (mod_key == Ctrl_BSL && !s->got_bsl) {
s->got_bsl = true;
break;
}
@@ -1016,7 +1021,7 @@ static void terminal_send_key(Terminal *term, int c)
VTermKey key = convert_key(&c, &mod);
if (key) {
if (key != VTERM_KEY_NONE) {
vterm_keyboard_key(term->vt, key, mod);
} else if (!IS_SPECIAL(c)) {
vterm_keyboard_unichar(term->vt, (uint32_t)c, mod);