53 static void transform_vect_recursive(lv_obj_t * roller, lv_point_t * vect);
133     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_set_options()  local
136     roller->sel_opt_id     = 0;  in lv_roller_set_options()
137     roller->sel_opt_id_ori = 0;  in lv_roller_set_options()
140     roller->option_cnt = 0;  in lv_roller_set_options()
143         if(options[cnt] == '\n') roller->option_cnt++;  in lv_roller_set_options()
145     roller->option_cnt++; /*Last option has no `\n`*/  in lv_roller_set_options()
148         roller->mode = LV_ROLLER_MODE_NORMAL;  in lv_roller_set_options()
152         roller->mode = LV_ROLLER_MODE_INFINITE;  in lv_roller_set_options()
155 …int32_t normal_h = roller->option_cnt * (lv_font_get_line_height(font) + lv_obj_get_style_text_let…  in lv_roller_set_options()
156         roller->inf_page_cnt = LV_CLAMP(3, EXTRA_INF_SIZE / normal_h, 15);  in lv_roller_set_options()
157         if(!(roller->inf_page_cnt & 1)) roller->inf_page_cnt++;   /*Make it odd*/  in lv_roller_set_options()
158 …  LV_LOG_INFO("Using %" LV_PRIu32 " pages to make the roller look infinite", roller->inf_page_cnt);  in lv_roller_set_options()
161         size_t opt_extra_len = opt_len * roller->inf_page_cnt;  in lv_roller_set_options()
169         for(i = 0; i < roller->inf_page_cnt; i++) {  in lv_roller_set_options()
177         roller->sel_opt_id = ((roller->inf_page_cnt / 2) + 0) * roller->option_cnt;  in lv_roller_set_options()
179         roller->option_cnt = roller->option_cnt * roller->inf_page_cnt;  in lv_roller_set_options()
183     roller->sel_opt_id_ori = roller->sel_opt_id;  in lv_roller_set_options()
197     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_set_selected()  local
200     if(roller->mode == LV_ROLLER_MODE_INFINITE) {  in lv_roller_set_selected()
201         uint32_t real_option_cnt = roller->option_cnt / roller->inf_page_cnt;  in lv_roller_set_selected()
202         uint32_t current_page = roller->sel_opt_id / real_option_cnt;  in lv_roller_set_selected()
206             uint32_t act_opt = roller->sel_opt_id - current_page * real_option_cnt;  in lv_roller_set_selected()
217     roller->sel_opt_id     = sel_opt < roller->option_cnt ? sel_opt : roller->option_cnt - 1;  in lv_roller_set_selected()
218     roller->sel_opt_id_ori = roller->sel_opt_id;  in lv_roller_set_selected()
268     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_get_selected()  local
269     if(roller->mode == LV_ROLLER_MODE_INFINITE) {  in lv_roller_get_selected()
270         uint32_t real_id_cnt = roller->option_cnt / roller->inf_page_cnt;  in lv_roller_get_selected()
271         return roller->sel_opt_id % real_id_cnt;  in lv_roller_get_selected()
274         return roller->sel_opt_id;  in lv_roller_get_selected()
282     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_get_selected_str()  local
289     for(i = 0; i < txt_len && line != roller->sel_opt_id; i++) {  in lv_roller_get_selected_str()
321     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_get_option_count()  local
322     if(roller->mode == LV_ROLLER_MODE_INFINITE) {  in lv_roller_get_option_count()
323         return roller->option_cnt / roller->inf_page_cnt;  in lv_roller_get_option_count()
326         return roller->option_cnt;  in lv_roller_get_option_count()
337     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_constructor()  local
339     roller->mode = LV_ROLLER_MODE_NORMAL;  in lv_roller_constructor()
340     roller->option_cnt = 0;  in lv_roller_constructor()
341     roller->sel_opt_id = 0;  in lv_roller_constructor()
342     roller->sel_opt_id_ori = 0;  in lv_roller_constructor()
368     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_event()  local
385         if(roller->option_cnt <= 1) return;  in lv_roller_event()
387         roller->moved = 0;  in lv_roller_event()
391         if(roller->option_cnt <= 1) return;  in lv_roller_event()
400             roller->moved = 1;  in lv_roller_event()
404         if(roller->option_cnt <= 1) return;  in lv_roller_event()
418                 roller->sel_opt_id_ori = roller->sel_opt_id;  in lv_roller_event()
421                 if(roller->sel_opt_id != roller->sel_opt_id_ori) {  in lv_roller_event()
422                     roller->sel_opt_id = roller->sel_opt_id_ori;  in lv_roller_event()
430             roller->sel_opt_id_ori = roller->sel_opt_id;  in lv_roller_event()
435         if(roller->sel_opt_id != roller->sel_opt_id_ori) {  in lv_roller_event()
436             roller->sel_opt_id = roller->sel_opt_id_ori;  in lv_roller_event()
441         if(roller->option_cnt <= 1) return;  in lv_roller_event()
445             if(roller->sel_opt_id + 1 < roller->option_cnt) {  in lv_roller_event()
446 …           uint32_t ori_id = roller->sel_opt_id_ori; /*lv_roller_set_selected will overwrite this*/  in lv_roller_event()
447                 lv_roller_set_selected(obj, roller->sel_opt_id + 1, LV_ANIM_ON);  in lv_roller_event()
448                 roller->sel_opt_id_ori = ori_id;  in lv_roller_event()
452             if(roller->sel_opt_id > 0) {  in lv_roller_event()
453 …           uint32_t ori_id = roller->sel_opt_id_ori; /*lv_roller_set_selected will overwrite this*/  in lv_roller_event()
454                 lv_roller_set_selected(obj, roller->sel_opt_id - 1, LV_ANIM_ON);  in lv_roller_event()
455                 roller->sel_opt_id_ori = ori_id;  in lv_roller_event()
460         if(roller->option_cnt <= 1) return;  in lv_roller_event()
463         int32_t new_id = roller->sel_opt_id + r;  in lv_roller_event()
464         new_id = LV_CLAMP(0, new_id, (int32_t)roller->option_cnt - 1);  in lv_roller_event()
465         if((int32_t)roller->sel_opt_id != new_id) {  in lv_roller_event()
466             uint32_t ori_id = roller->sel_opt_id_ori; /*lv_roller_set_selected will overwrite this*/  in lv_roller_event()
468             roller->sel_opt_id_ori = ori_id;  in lv_roller_event()
598     lv_obj_t * roller = lv_obj_get_parent(label_obj);  in draw_label()  local
603     lv_obj_init_draw_label_dsc(roller, LV_PART_MAIN, &label_draw_dsc);  in draw_label()
611     if(!lv_area_intersect(&roller_clip_area, &layer->_clip_area, &roller->coords)) return;  in draw_label()
615     get_sel_area(roller, &sel_area);  in draw_label()
706     lv_roller_t * roller = (lv_roller_t *)obj;  in refr_position()  local
707     int32_t id = roller->sel_opt_id;  in refr_position()
735     lv_roller_t * roller = (lv_roller_t *)obj;  in release_handler()  local
740         roller->sel_opt_id_ori = roller->sel_opt_id;  in release_handler()
753         if(roller->moved == 0) {  in release_handler()
799             if(id >= (int32_t)roller->option_cnt) id = roller->option_cnt - 1;  in release_handler()
809     uint32_t id  = roller->sel_opt_id; /*Just to use uint32_t in event data*/  in release_handler()
820     lv_roller_t * roller = (lv_roller_t *)obj;  in inf_normalize()  local
822     if(roller->mode == LV_ROLLER_MODE_INFINITE) {  in inf_normalize()
823         uint32_t real_id_cnt = roller->option_cnt / roller->inf_page_cnt;  in inf_normalize()
824         roller->sel_opt_id = roller->sel_opt_id % real_id_cnt;  in inf_normalize()
825         roller->sel_opt_id += (roller->inf_page_cnt / 2) * real_id_cnt; /*Select the middle page*/  in inf_normalize()
827         roller->sel_opt_id_ori = roller->sel_opt_id % real_id_cnt;  in inf_normalize()
828 …     roller->sel_opt_id_ori += (roller->inf_page_cnt / 2) * real_id_cnt; /*Select the middle page*/  in inf_normalize()
838         int32_t sel_y1 = roller->sel_opt_id * (font_h + line_space);  in inf_normalize()
874 static void transform_vect_recursive(lv_obj_t * roller, lv_point_t * vect)  in transform_vect_recursive()  argument
879     lv_obj_t * parent = roller;  in transform_vect_recursive()