101     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_set_options()  local
104     roller->sel_opt_id     = 0;  in lv_roller_set_options()
105     roller->sel_opt_id_ori = 0;  in lv_roller_set_options()
108     roller->option_cnt = 0;  in lv_roller_set_options()
111         if(options[cnt] == '\n') roller->option_cnt++;  in lv_roller_set_options()
113     roller->option_cnt++; /*Last option has no `\n`*/  in lv_roller_set_options()
116         roller->mode = LV_ROLLER_MODE_NORMAL;  in lv_roller_set_options()
120         roller->mode = LV_ROLLER_MODE_INFINITE;  in lv_roller_set_options()
133         roller->sel_opt_id     = ((LV_ROLLER_INF_PAGES / 2) + 0) * roller->option_cnt;  in lv_roller_set_options()
135         roller->option_cnt = roller->option_cnt * LV_ROLLER_INF_PAGES;  in lv_roller_set_options()
139     roller->sel_opt_id_ori = roller->sel_opt_id;  in lv_roller_set_options()
160     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_set_selected()  local
163     if(roller->mode == LV_ROLLER_MODE_INFINITE) {  in lv_roller_set_selected()
164         uint32_t real_option_cnt = roller->option_cnt / LV_ROLLER_INF_PAGES;  in lv_roller_set_selected()
165         uint16_t current_page = roller->sel_opt_id / real_option_cnt;  in lv_roller_set_selected()
169             uint16_t act_opt = roller->sel_opt_id - current_page * real_option_cnt;  in lv_roller_set_selected()
180     roller->sel_opt_id     = sel_opt < roller->option_cnt ? sel_opt : roller->option_cnt - 1;  in lv_roller_set_selected()
181     roller->sel_opt_id_ori = roller->sel_opt_id;  in lv_roller_set_selected()
214     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_get_selected()  local
215     if(roller->mode == LV_ROLLER_MODE_INFINITE) {  in lv_roller_get_selected()
216         uint16_t real_id_cnt = roller->option_cnt / LV_ROLLER_INF_PAGES;  in lv_roller_get_selected()
217         return roller->sel_opt_id % real_id_cnt;  in lv_roller_get_selected()
220         return roller->sel_opt_id;  in lv_roller_get_selected()
234     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_get_selected_str()  local
241     for(i = 0; i < txt_len && line != roller->sel_opt_id; i++) {  in lv_roller_get_selected_str()
278     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_get_option_cnt()  local
279     if(roller->mode == LV_ROLLER_MODE_INFINITE) {  in lv_roller_get_option_cnt()
280         return roller->option_cnt / LV_ROLLER_INF_PAGES;  in lv_roller_get_option_cnt()
283         return roller->option_cnt;  in lv_roller_get_option_cnt()
294     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_constructor()  local
296     roller->mode = LV_ROLLER_MODE_NORMAL;  in lv_roller_constructor()
297     roller->option_cnt = 0;  in lv_roller_constructor()
298     roller->sel_opt_id = 0;  in lv_roller_constructor()
299     roller->sel_opt_id_ori = 0;  in lv_roller_constructor()
324     lv_roller_t * roller = (lv_roller_t *)obj;  in lv_roller_event()  local
341         roller->moved = 0;  in lv_roller_event()
351             roller->moved = 1;  in lv_roller_event()
366                 if(roller->sel_opt_id != roller->sel_opt_id_ori) {  in lv_roller_event()
367                     roller->sel_opt_id = roller->sel_opt_id_ori;  in lv_roller_event()
373                 roller->sel_opt_id_ori = roller->sel_opt_id;  in lv_roller_event()
377 …roller->sel_opt_id_ori = roller->sel_opt_id; /*Save the current value. Used to revert this state if  in lv_roller_event()
383         if(roller->sel_opt_id != roller->sel_opt_id_ori) {  in lv_roller_event()
384             roller->sel_opt_id = roller->sel_opt_id_ori;  in lv_roller_event()
391             if(roller->sel_opt_id + 1 < roller->option_cnt) {  in lv_roller_event()
392 …           uint16_t ori_id = roller->sel_opt_id_ori; /*lv_roller_set_selected will overwrite this*/  in lv_roller_event()
393                 lv_roller_set_selected(obj, roller->sel_opt_id + 1, LV_ANIM_ON);  in lv_roller_event()
394                 roller->sel_opt_id_ori = ori_id;  in lv_roller_event()
398             if(roller->sel_opt_id > 0) {  in lv_roller_event()
399 …           uint16_t ori_id = roller->sel_opt_id_ori; /*lv_roller_set_selected will overwrite this*/  in lv_roller_event()
401                 lv_roller_set_selected(obj, roller->sel_opt_id - 1, LV_ANIM_ON);  in lv_roller_event()
402                 roller->sel_opt_id_ori = ori_id;  in lv_roller_event()
525     lv_obj_t * roller = lv_obj_get_parent(label_obj);  in draw_label()  local
528     lv_obj_init_draw_label_dsc(roller, LV_PART_MAIN, &label_draw_dsc);  in draw_label()
538     if(!_lv_area_intersect(&roller_clip_area, draw_ctx->clip_area, &roller->coords)) return;  in draw_label()
542     get_sel_area(roller, &sel_area);  in draw_label()
613     lv_roller_t * roller = (lv_roller_t *)obj;  in refr_position()  local
626     int32_t id = roller->sel_opt_id;  in refr_position()
655     lv_roller_t * roller = (lv_roller_t *)obj;  in release_handler()  local
660         roller->sel_opt_id_ori = roller->sel_opt_id;  in release_handler()
673         if(roller->moved == 0) {  in release_handler()
707             if(id >= roller->option_cnt) id = roller->option_cnt - 1;  in release_handler()
717     uint32_t id  = roller->sel_opt_id; /*Just to use uint32_t in event data*/  in release_handler()
728     lv_roller_t * roller = (lv_roller_t *)obj;  in inf_normalize()  local
730     if(roller->mode == LV_ROLLER_MODE_INFINITE) {  in inf_normalize()
731         uint16_t real_id_cnt = roller->option_cnt / LV_ROLLER_INF_PAGES;  in inf_normalize()
732         roller->sel_opt_id = roller->sel_opt_id % real_id_cnt;  in inf_normalize()
733         roller->sel_opt_id += (LV_ROLLER_INF_PAGES / 2) * real_id_cnt; /*Select the middle page*/  in inf_normalize()
735         roller->sel_opt_id_ori = roller->sel_opt_id % real_id_cnt;  in inf_normalize()
736 …      roller->sel_opt_id_ori += (LV_ROLLER_INF_PAGES / 2) * real_id_cnt; /*Select the middle page*/  in inf_normalize()
746         lv_coord_t sel_y1 = roller->sel_opt_id * (font_h + line_space);  in inf_normalize()