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feat(bidi): prioritize RTL over LTR in base direction detection (#9779)

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SamuraiAnderson
2026-03-02 16:23:06 +08:00
committed by GitHub
parent 9be625b9ec
commit 17587650b3
1 changed files with 5 additions and 1 deletions
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src/misc/lv_bidi.c
+5 -1
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@@ -109,14 +109,18 @@ lv_base_dir_t lv_bidi_detect_base_dir(const char * txt)
{ {
uint32_t i = 0; uint32_t i = 0;
uint32_t letter; uint32_t letter;
bool found_ltr = false;
while(txt[i] != '\0') { while(txt[i] != '\0') {
letter = lv_text_encoded_next(txt, &i); letter = lv_text_encoded_next(txt, &i);
lv_base_dir_t dir; lv_base_dir_t dir;
dir = lv_bidi_get_letter_dir(letter); dir = lv_bidi_get_letter_dir(letter);
if(dir == LV_BASE_DIR_RTL || dir == LV_BASE_DIR_LTR) return dir; if(dir == LV_BASE_DIR_RTL) return LV_BASE_DIR_RTL;
if(dir == LV_BASE_DIR_LTR) found_ltr = true;
} }
if(found_ltr) return LV_BASE_DIR_LTR;
/*If there were no strong char earlier return with the default base dir*/ /*If there were no strong char earlier return with the default base dir*/
if(LV_BIDI_BASE_DIR_DEF == LV_BASE_DIR_AUTO) return LV_BASE_DIR_LTR; if(LV_BIDI_BASE_DIR_DEF == LV_BASE_DIR_AUTO) return LV_BASE_DIR_LTR;
else return LV_BIDI_BASE_DIR_DEF; else return LV_BIDI_BASE_DIR_DEF;