30 static void scroll_limit_diff(lv_indev_t * indev, int32_t * diff_x, int32_t * diff_y);
97     int32_t diff_y = 0;  in lv_indev_scroll_handler()  local
106         diff_y = elastic_diff(scroll_obj, indev->pointer.vect.y, st, sb, LV_DIR_VER);  in lv_indev_scroll_handler()
112     if((scroll_dir & LV_DIR_TOP)    == 0 && diff_y > 0) diff_y = 0;  in lv_indev_scroll_handler()
113     if((scroll_dir & LV_DIR_BOTTOM) == 0 && diff_y < 0) diff_y = 0;  in lv_indev_scroll_handler()
116     scroll_limit_diff(indev, &diff_x, &diff_y);  in lv_indev_scroll_handler()
118     lv_obj_scroll_by_raw(scroll_obj, diff_x, diff_y);  in lv_indev_scroll_handler()
121     indev->pointer.scroll_sum.y += diff_y;  in lv_indev_scroll_handler()
158             int32_t diff_y = lv_indev_scroll_throw_predict(indev, LV_DIR_VER);  in lv_indev_scroll_throw_handler()  local
160             scroll_limit_diff(indev, NULL, &diff_y);  in lv_indev_scroll_throw_handler()
161             int32_t y = find_snap_point_y(scroll_obj, LV_COORD_MIN, LV_COORD_MAX, diff_y);  in lv_indev_scroll_throw_handler()
162             lv_obj_scroll_by(scroll_obj, 0, diff_y + y, LV_ANIM_ON);  in lv_indev_scroll_throw_handler()
618 static void scroll_limit_diff(lv_indev_t * indev, int32_t * diff_x, int32_t * diff_y)  in scroll_limit_diff()  argument
620     if(diff_y) {  in scroll_limit_diff()
621         if(indev->pointer.scroll_sum.y + *diff_y < indev->pointer.scroll_area.y1) {  in scroll_limit_diff()
622             *diff_y = indev->pointer.scroll_area.y1 - indev->pointer.scroll_sum.y;  in scroll_limit_diff()
625         if(indev->pointer.scroll_sum.y + *diff_y > indev->pointer.scroll_area.y2) {  in scroll_limit_diff()
626             *diff_y = indev->pointer.scroll_area.y2 - indev->pointer.scroll_sum.y;  in scroll_limit_diff()