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Allow control characters to be entered at the command prompt prefixed

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with with C-v, from  Alexander Arch in GitHub issue 4206.
This commit is contained in:
nicm
2024-10-25 15:32:51 +00:00
parent 487b0ee124
commit 71a503e40c
2 changed files with 35 additions and 5 deletions
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39
status.c
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@@ -740,6 +740,8 @@ status_prompt_redraw(struct client *c)
u_int pcursor, pwidth, promptline;
struct grid_cell gc;
struct format_tree *ft;
u_char ch;
struct utf8_data *ud;
if (c->tty.sx == 0 || c->tty.sy == 0)
return (0);
@@ -801,17 +803,25 @@ status_prompt_redraw(struct client *c)
width = 0;
for (i = 0; c->prompt_buffer[i].size != 0; i++) {
ud = &c->prompt_buffer[i];
if (width < offset) {
width += c->prompt_buffer[i].width;
width += ud->width;
continue;
}
if (width >= offset + pwidth)
break;
width += c->prompt_buffer[i].width;
width += ud->width;
if (width > offset + pwidth)
break;
utf8_copy(&gc.data, &c->prompt_buffer[i]);
ch = *ud->data;
if (ud->size == 1 && (ch <= 0x1f || ch == 0x7f)) {
gc.data.data[0] = '^';
gc.data.data[1] = (ch == 0x7f) ? '?' : ch|0x40;
gc.data.size = gc.data.have = 2;
gc.data.width = 2;
} else
utf8_copy(&gc.data, ud);
screen_write_cell(&ctx, &gc);
}
@@ -864,6 +874,7 @@ status_prompt_translate_key(struct client *c, key_code key, key_code *new_key)
case 'p'|KEYC_CTRL:
case 't'|KEYC_CTRL:
case 'u'|KEYC_CTRL:
case 'v'|KEYC_CTRL:
case 'w'|KEYC_CTRL:
case 'y'|KEYC_CTRL:
case '\n':
@@ -1262,6 +1273,19 @@ status_prompt_key(struct client *c, key_code key)
}
key &= ~KEYC_MASK_FLAGS;
if (c->prompt_flags & (PROMPT_SINGLE|PROMPT_QUOTENEXT)) {
c->prompt_flags &= ~PROMPT_QUOTENEXT;
if ((key & KEYC_MASK_KEY) == KEYC_BSPACE)
key = 0x7f;
else if ((key & KEYC_MASK_KEY) > 0x7f) {
if (!KEYC_IS_UNICODE(key))
return (0);
key &= KEYC_MASK_KEY;
} else
key &= (key & KEYC_CTRL) ? 0x1f : KEYC_MASK_KEY;
goto append_key;
}
keys = options_get_number(c->session->options, "status-keys");
if (keys == MODEKEY_VI) {
switch (status_prompt_translate_key(c, key, &key)) {
@@ -1484,6 +1508,9 @@ process_key:
} else
prefix = '+';
goto changed;
case 'v'|KEYC_CTRL:
c->prompt_flags |= PROMPT_QUOTENEXT;
break;
default:
goto append_key;
}
@@ -1492,9 +1519,11 @@ process_key:
return (0);
append_key:
if (key <= 0x7f)
if (key <= 0x7f) {
utf8_set(&tmp, key);
else if (KEYC_IS_UNICODE(key))
if (key <= 0x1f || key == 0x7f)
tmp.width = 2;
} else if (KEYC_IS_UNICODE(key))
utf8_to_data(key, &tmp);
else
return (0);