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minibar: when the next character has zero width, show its code too

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This allows seeing that an accented character is not a single code point
but composed from a base character plus a combining character.
This commit is contained in:
Benno Schulenberg 2021-01-06 15:27:14 +01:00
parent 24e5f956d0
commit 41fd09706d
1 changed files with 13 additions and 1 deletions
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14
src/winio.c
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@ -2072,6 +2072,7 @@ void minibar(void)
char *thename = NULL, *number_of_lines = NULL, *ranking = NULL;
char *location = nmalloc(44);
char *hexadecimal = nmalloc(9);
char *successor = NULL;
size_t namewidth, placewidth;
size_t tallywidth = 0;
size_t padding = 2;
@ -2157,10 +2158,21 @@ void minibar(void)
sprintf(hexadecimal, " 0x%02X", (unsigned char)*this_position);
mvwaddstr(bottomwin, 0, COLS - 23, hexadecimal);
#ifdef ENABLE_UTF8
successor = this_position + char_length(this_position);
if (*this_position != '\0' && is_zerowidth(successor) &&
mbtowc(&widecode, successor, MAXCHARLEN) >= 0) {
sprintf(hexadecimal, "|%04X", (int)widecode);
waddstr(bottomwin, hexadecimal);
} else
successor = NULL;
#endif
}
/* Display the state of three flags, and the state of macro and mark. */
if (namewidth + tallywidth + 14 + 2 * padding < COLS) {
if (!successor && namewidth + tallywidth + 14 + 2 * padding < COLS) {
wmove(bottomwin, 0, COLS - 11 - padding);
show_states_at(bottomwin);
}