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Show return symbol for embedded newlines

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When editing multi-line messages or comments everything past the first
newline becomes invisible.

This patch fixes it by substituting a Unicode symbol for "return"
instead of printing the newline as is. On locales where it's not
available single backslash is used instead.
This commit is contained in:
Paul Fertser 2022-04-11 13:43:22 +03:00
parent ccede06a65
commit 8e728fee15
1 changed files with 24 additions and 1 deletions
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25
src/ui/inputwin.c
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@ -328,7 +328,30 @@ _inp_write(char* line, int offset)
getyx(inp_win, y, x);
col += x;
waddstr(inp_win, line);
for (size_t i = 0; line[i] != '\0'; i++) {
char* c = &line[i];
char retc[MB_CUR_MAX];
size_t ch_len = mbrlen(c, MB_CUR_MAX, NULL);
if ((ch_len == (size_t)-2) || (ch_len == (size_t)-1)) {
waddch(inp_win, ' ');
continue;
}
if (line[i] == '\n') {
c = retc;
ch_len = wctomb(retc, L'\u23ce'); /* return symbol */
if (ch_len == -1) { /* not representable */
retc[0] = '\\';
ch_len = 1;
}
} else {
i += ch_len - 1;
}
waddnstr(inp_win, c, ch_len);
}
wmove(inp_win, 0, col);
_inp_win_handle_scroll();