Method set_scroll_position

src/engine.rs:6967–7012

(&mut self, id: Id, position: Vector2)

    }

    pub fn set_scroll_position(&mut self, id: Id, position: Vector2) {
        for scd in &mut self.scroll_container_datas {
            if scd.element_id == id.id {
                let max_scroll_x = (scd.content_size.width - scd.bounding_box.width).max(0.0);
                let max_scroll_y = (scd.content_size.height - scd.bounding_box.height).max(0.0);

                let clamped_x = position.x.clamp(0.0, max_scroll_x);
                let clamped_y = position.y.clamp(0.0, max_scroll_y);
                scd.scroll_position.x = -clamped_x;
                scd.scroll_position.y = -clamped_y;
                if scd.scrollbar.is_some() {
                    scd.scrollbar_idle_frames = 0;
                }
                return;
            }
        }

        if let Some(ti_idx) = self.text_input_element_ids.iter().position(|&elem_id| elem_id == id.id) {
            let Some(config) = self.text_input_configs.get(ti_idx).cloned() else {
                return;
            };

            let Some(state_snapshot) = self.text_edit_states.get(&id.id).cloned() else {
                return;
            };

            let (visible_width, visible_height) = self
                .layout_element_map
                .get(&id.id)
                .map(|item| (item.bounding_box.width, item.bounding_box.height))
                .unwrap_or((0.0, 0.0));

            let (content_width, content_height) =
                self.text_input_content_size(&state_snapshot, &config, visible_width);

            let max_scroll_x = (content_width - visible_width).max(0.0);
            let max_scroll_y = (content_height - visible_height).max(0.0);

            if let Some(state) = self.text_edit_states.get_mut(&id.id) {
                state.scroll_offset = position.x.clamp(0.0, max_scroll_x);
                state.scroll_offset_y = position.y.clamp(0.0, max_scroll_y);
            }

            self.text_input_scrollbar_idle_frames.insert(id.id, 0);
        }
    }

    fn render_scrollbar_geometry(
        &mut self,