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Fix cursor motion across characters with an unknown column width

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BLI_str_utf8_char_width returns -1 for character without a known width.
This caused the right cursor motion to skip these characters.

While editable text should not contain control characters,
cursor motion should behave properly in cases when they do.
This commit is contained in:
Campbell Barton
2023-09-15 16:03:57 +10:00
parent 635a4eac05
commit bc51449ff1
1 changed files with 1 additions and 1 deletions
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2
source/blender/blenlib/intern/string_cursor_utf8.c
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@@ -121,7 +121,7 @@ bool BLI_str_cursor_step_next_utf8(const char *str, size_t str_maxlen, int *pos)
const char *str_next = str_pos;
do {
str_next = BLI_str_find_next_char_utf8(str_next, str_end);
} while (str_next < str_end && str_next[0] != 0 && BLI_str_utf8_char_width(str_next) < 1);
} while (str_next < str_end && str_next[0] != 0 && BLI_str_utf8_char_width(str_next) == 0);
(*pos) += (str_next - str_pos);
if ((*pos) > (int)str_maxlen) {
(*pos) = (int)str_maxlen;