59 static void flex_update(lv_obj_t * cont, void * user_data);
60 static int32_t find_track_end(lv_obj_t * cont, flex_t * f, int32_t item_start_id, int32_t max_main_…
62 static void children_repos(lv_obj_t * cont, flex_t * f, int32_t item_first_id, int32_t item_last_id…
66 static lv_obj_t * get_next_item(lv_obj_t * cont, bool rev, int32_t * item_id);
126 static void flex_update(lv_obj_t * cont, void * user_data)  in flex_update()  argument
128     LV_LOG_INFO("update %p container", (void *)cont);  in flex_update()
132     lv_flex_flow_t flow = lv_obj_get_style_flex_flow(cont, LV_PART_MAIN);  in flex_update()
136     f.main_place = lv_obj_get_style_flex_main_place(cont, LV_PART_MAIN);  in flex_update()
137     f.cross_place = lv_obj_get_style_flex_cross_place(cont, LV_PART_MAIN);  in flex_update()
138     f.track_place = lv_obj_get_style_flex_track_place(cont, LV_PART_MAIN);  in flex_update()
140     bool rtl = lv_obj_get_style_base_dir(cont, LV_PART_MAIN) == LV_BASE_DIR_RTL;  in flex_update()
141 …t track_gap = !f.row ? lv_obj_get_style_pad_column(cont, LV_PART_MAIN) : lv_obj_get_style_pad_row(…  in flex_update()
143 …2_t item_gap = f.row ? lv_obj_get_style_pad_column(cont, LV_PART_MAIN) : lv_obj_get_style_pad_row(…  in flex_update()
145 …int32_t max_main_size = (f.row ? lv_obj_get_content_width(cont) : lv_obj_get_content_height(cont));  in flex_update()
146     int32_t abs_y = cont->coords.y1 + lv_obj_get_style_space_top(cont,  in flex_update()
147 …                                                         LV_PART_MAIN) - lv_obj_get_scroll_y(cont);  in flex_update()
148     int32_t abs_x = cont->coords.x1 + lv_obj_get_style_space_left(cont,  in flex_update()
149 …                                                         LV_PART_MAIN) - lv_obj_get_scroll_x(cont);  in flex_update()
154     int32_t w_set = lv_obj_get_style_width(cont, LV_PART_MAIN);  in flex_update()
155     int32_t h_set = lv_obj_get_style_height(cont, LV_PART_MAIN);  in flex_update()
158     if((f.row && h_set == LV_SIZE_CONTENT && cont->h_layout == 0) ||  in flex_update()
159        (!f.row && w_set == LV_SIZE_CONTENT && cont->w_layout == 0)) {  in flex_update()
175         track_first_item = f.rev ? cont->spec_attr->child_cnt - 1 : 0;  in flex_update()
177         while(track_first_item < (int32_t)cont->spec_attr->child_cnt && track_first_item >= 0) {  in flex_update()
180 …   next_track_first_item = find_track_end(cont, &f, track_first_item, max_main_size, item_gap, &t);  in flex_update()
189 …nt32_t max_cross_size = (f.row ? lv_obj_get_content_height(cont) : lv_obj_get_content_width(cont));  in flex_update()
193     track_first_item = f.rev ? cont->spec_attr->child_cnt - 1 : 0;  in flex_update()
199     while(track_first_item < (int32_t)cont->spec_attr->child_cnt && track_first_item >= 0) {  in flex_update()
203 …   next_track_first_item = find_track_end(cont, &f, track_first_item, max_main_size, item_gap, &t);  in flex_update()
208 …children_repos(cont, &f, track_first_item, next_track_first_item, abs_x, abs_y, max_main_size, ite…  in flex_update()
222         lv_obj_refr_size(cont);  in flex_update()
225     lv_obj_send_event(cont, LV_EVENT_LAYOUT_CHANGED, NULL);  in flex_update()
233 static int32_t find_track_end(lv_obj_t * cont, flex_t * f, int32_t item_start_id, int32_t max_main_…  in find_track_end()  argument
236     int32_t w_set = lv_obj_get_style_width(cont, LV_PART_MAIN);  in find_track_end()
237     int32_t h_set = lv_obj_get_style_height(cont, LV_PART_MAIN);  in find_track_end()
256     lv_obj_t * item = lv_obj_get_child(cont, item_id);  in find_track_end()
310         item = lv_obj_get_child(cont, item_id);  in find_track_end()
318         item = cont->spec_attr->children[item_id];  in find_track_end()
319         get_next_item(cont, f->rev, &item_id);  in find_track_end()
333 static void children_repos(lv_obj_t * cont, flex_t * f, int32_t item_first_id, int32_t item_last_id…  in children_repos()  argument
381     bool rtl = lv_obj_get_style_base_dir(cont, LV_PART_MAIN) == LV_BASE_DIR_RTL;  in children_repos()
387     if(f->row && rtl) main_pos += lv_obj_get_content_width(cont);  in children_repos()
389     lv_obj_t * item = lv_obj_get_child(cont, item_first_id);  in children_repos()
393             item = get_next_item(cont, f->rev, &item_first_id);  in children_repos()
478         item = get_next_item(cont, f->rev, &item_first_id);  in children_repos()
524 static lv_obj_t * get_next_item(lv_obj_t * cont, bool rev, int32_t * item_id)  in get_next_item()  argument
528         if(*item_id >= 0) return cont->spec_attr->children[*item_id];  in get_next_item()
533 …   if((*item_id) < (int32_t)cont->spec_attr->child_cnt) return cont->spec_attr->children[*item_id];  in get_next_item()