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patch 9.0.0973: Kitty keyboard protocol key with NumLock not decoded

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Problem:    Kitty keyboard protocol key not decoded when it has an unsupported
            modifier, such as NumLock.
Solution:   Accept a key with any modifier. (closes #11638)
This commit is contained in:
Bram Moolenaar
2022-11-29 18:32:32 +00:00
parent 4e6072b8d3
commit 064fd67e6a
3 changed files with 33 additions and 5 deletions
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12
src/term.c
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@@ -4693,6 +4693,8 @@ decode_modifiers(int n)
modifiers |= MOD_MASK_CTRL;
if (code & 8)
modifiers |= MOD_MASK_META;
// Any further modifiers are silently dropped.
return modifiers;
}
@@ -5317,14 +5319,14 @@ handle_csi(
// Key with modifier:
// {lead}27;{modifier};{key}~
// {lead}{key};{modifier}u
// Only handles four modifiers, this won't work if the modifier value is
// more than 16.
else if (((arg[0] == 27 && argc == 3 && trail == '~')
// Even though we only handle four modifiers and the {modifier} value
// should be 16 or lower, we accept all modifier values to avoid the raw
// sequence to be passed through.
else if ((arg[0] == 27 && argc == 3 && trail == '~')
|| (argc == 2 && trail == 'u'))
&& arg[1] <= 16)
{
return len + handle_key_with_modifier(arg, trail,
csi_len, offset, buf, bufsize, buflen);
csi_len, offset, buf, bufsize, buflen);
}
// Key without modifier (Kitty sends this for Esc):