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Fix Kitty key encoding: legacy fallback, F3, case, send-keys drop.

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This commit is contained in:
Michael Grant
2026-09-29 07:23:45 +01:00
parent 25caebc173
commit cf7aad1ce8
4 changed files with 87 additions and 8 deletions
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22
input-kitty.c
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@@ -250,11 +250,23 @@ input_key_kitty(struct screen *s, struct bufferevent *bev, key_code key)
ikk = input_kitty_lookup(key);
if (ikk != NULL) {
if ((flags & KITTY_KEY_REPORT_ALL) == 0) {
if (ikk->key == C0_CR || ikk->key == C0_HT ||
ikk->key == KEYC_BSPACE)
/*
* Enter, Tab and Backspace stay in legacy form only
* when unmodified, so a plain Enter still works after
* a crash, but a modified one is disambiguated.
*/
if ((ikk->key == C0_CR || ikk->key == C0_HT ||
ikk->key == KEYC_BSPACE) && modifiers == 0)
return (-1);
/*
* A modified F3 in legacy form ("\033[1;mR") is
* indistinguishable from a cursor position report,
* so it must always be disambiguated too.
*/
if (ikk->final != 'u' &&
(modifiers & (KEYC_SUPER|KEYC_HYPER)) == 0)
(modifiers & (KEYC_SUPER|KEYC_HYPER)) == 0 &&
(ikk->key != KEYC_F3 || modifiers == 0))
return (-1);
}
number = ikk->number;
@@ -296,8 +308,10 @@ input_key_kitty(struct screen *s, struct bufferevent *bev, key_code key)
number = onlykey;
else
return (-1);
if ((key & KEYC_SHIFT) && number >= 'A' && number <= 'Z')
if (number >= 'A' && number <= 'Z') {
number += 'a' - 'A';
key |= KEYC_SHIFT;
}
modifier = input_kitty_modifiers(key);
if (modifier == 1)