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kitty: implement “base layout key” in “report alternate key”

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Daniel Eklöf 2021-12-07 20:25:14 +01:00
parent 9d5ab91b6a
commit 9b57ef07f1
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GPG key ID: 5BBD4992C116573F
1 changed files with 31 additions and 5 deletions
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36
input.c
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@ -1253,7 +1253,7 @@ emit_escapes:
encoded_mods |= mods & (1 << seat->kbd.mod_num) ? (1 << 7) : 0;
encoded_mods++;
int key = -1, alternate = -1;
int key = -1, alternate = -1, base = -1;
char final;
switch (sym) {
@ -1436,8 +1436,23 @@ emit_escapes:
key = xkb_keysym_to_utf32(sym_to_use);
if (key == 0)
key = sym_to_use;
else
if (report_alternate) {
/* The *shifted* key. May be the same as the unshifted
* key - if so, this is filtered out below, when
* emitting the CSI */
alternate = xkb_keysym_to_utf32(sym);
/* Base layout key. I.e the symbol the pressed key
* produces in the base/default layout (layout idx
* 0) */
const xkb_keysym_t *base_syms;
int base_sym_count = xkb_keymap_key_get_syms_by_level(
seat->kbd.xkb_keymap, ctx->key, 0, 0, &base_syms);
if (base_sym_count > 0)
base = xkb_keysym_to_utf32(base_syms[0]);
}
}
final = 'u';
@ -1468,9 +1483,20 @@ emit_escapes:
bytes = snprintf(p, left, "\x1b[%u", key);
p += bytes; left -= bytes;
if (report_alternate && alternate > 0 && alternate != key) {
bytes = snprintf(p, left, ":%u", alternate);
p += bytes; left -= bytes;
if (report_alternate) {
bool emit_alternate = alternate > 0 && alternate != key;
bool emit_base = base > 0 && base != key && base != alternate;
if (emit_alternate) {
bytes = snprintf(p, left, ":%u", alternate);
p += bytes; left -= bytes;
}
if (emit_base) {
bytes = snprintf(
p, left, "%s:%u", !emit_alternate ? ":" : "", base);
p += bytes; left -= bytes;
}
}
if (encoded_mods > 1 || event[0] != '\0' || report_associated_text) {