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Check backspace against VERASE earlier before it is translated to an

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internal key and do not go through the mapping on output. Fixes problems
reported by Ben Price in GitHub issue 4284 and by tb@.
This commit is contained in:
nicm
2025-01-02 10:34:45 +00:00
parent e00853ee82
commit 2a5eba7899
2 changed files with 29 additions and 17 deletions
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25
input-keys.c
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@@ -586,12 +586,24 @@ input_key(struct screen *s, struct bufferevent *bev, key_code key)
/* Is this backspace? */
if ((key & KEYC_MASK_KEY) == KEYC_BSPACE) {
newkey = options_get_number(global_options, "backspace");
if (newkey == KEYC_BSPACE)
newkey = '\b';
newkey |= (key & (KEYC_MASK_FLAGS|KEYC_MASK_MODIFIERS));
log_debug("%s: key 0x%llx is backspace -> 0x%llx", __func__, key,
newkey);
key = newkey;
log_debug("%s: key 0x%llx is backspace -> 0x%llx", __func__,
key, newkey);
if ((key & KEYC_MASK_MODIFIERS) == 0) {
ud.data[0] = 255;
if ((newkey & KEYC_MASK_MODIFIERS) == 0)
ud.data[0] = newkey;
else if ((newkey & KEYC_MASK_MODIFIERS) == KEYC_CTRL) {
newkey &= KEYC_MASK_KEY;
if (newkey >= 'A' && newkey <= 'Z')
ud.data[0] = newkey - 0x40;
else if (newkey >= 'a' && newkey <= 'z')
ud.data[0] = newkey - 0x60;
}
if (ud.data[0] != 255)
input_key_write(__func__, bev, &ud.data[0], 1);
return (0);
}
key = newkey|(key & (KEYC_MASK_FLAGS|KEYC_MASK_MODIFIERS));
}
/* Is this backtab? */
@@ -613,7 +625,6 @@ input_key(struct screen *s, struct bufferevent *bev, key_code key)
if (!(key & ~KEYC_MASK_KEY)) {
if (key == C0_HT ||
key == C0_CR ||
key == C0_BS ||
key == C0_ESC ||
(key >= 0x20 && key <= 0x7f)) {
ud.data[0] = key;