95     ext->button_areas   = NULL;  in lv_btnmatrix_create()
240 … lv_area_set(&ext->button_areas[btn_i], ext->button_areas[btn_i - 1].x2, act_y, act_x + act_unit_w,  in lv_btnmatrix_set_map()
244 …           lv_area_set(&ext->button_areas[btn_i], act_x, act_y, act_x + act_unit_w, act_y + btn_h);  in lv_btnmatrix_set_map()
689             lv_area_copy(&area_tmp, &ext->button_areas[btn_i]);  in lv_btnmatrix_design()
839         lv_mem_free(ext->button_areas);  in lv_btnmatrix_signal()
1029 …ext->button_areas[ext->btn_id_focused].x1 + (lv_area_get_width(&ext->button_areas[ext->btn_id_focu…  in lv_btnmatrix_signal()
1032 …                 if(ext->button_areas[area_below].y1 > ext->button_areas[ext->btn_id_focused].y1 &&  in lv_btnmatrix_signal()
1033                        pr_center >= ext->button_areas[area_below].x1 &&  in lv_btnmatrix_signal()
1034                        pr_center <= ext->button_areas[area_below].x2 + pad_inner &&  in lv_btnmatrix_signal()
1055 …ext->button_areas[ext->btn_id_focused].x1 + (lv_area_get_width(&ext->button_areas[ext->btn_id_focu…  in lv_btnmatrix_signal()
1058 …                 if(ext->button_areas[area_above].y1 < ext->button_areas[ext->btn_id_focused].y1 &&  in lv_btnmatrix_signal()
1059                        pr_center >= ext->button_areas[area_above].x1 - pad_inner &&  in lv_btnmatrix_signal()
1060                        pr_center <= ext->button_areas[area_above].x2 &&  in lv_btnmatrix_signal()
1129     if(ext->button_areas != NULL) {  in allocate_btn_areas_and_controls()
1130         lv_mem_free(ext->button_areas);  in allocate_btn_areas_and_controls()
1131         ext->button_areas = NULL;  in allocate_btn_areas_and_controls()
1138     ext->button_areas = lv_mem_alloc(sizeof(lv_area_t) * btn_cnt);  in allocate_btn_areas_and_controls()
1139     LV_ASSERT_MEM(ext->button_areas);  in allocate_btn_areas_and_controls()
1142     if(ext->button_areas == NULL || ext->ctrl_bits == NULL) btn_cnt = 0;  in allocate_btn_areas_and_controls()
1221         lv_area_copy(&btn_area, &ext->button_areas[i]);  in get_button_from_point()
1254     lv_area_copy(&btn_area, &ext->button_areas[btn_idx]);  in invalidate_button_area()