設定在視窗標題列，滑鼠中鍵滾動，切換隱藏內容區塊時，保持聚焦

範例

範例
archcraft-lxde / mouse_middle_scroll_on_titlebar_keep_focus_when_window_shading
archcraft-lxde / all_enhance

範例
archcraft-openbox / mouse_middle_scroll_on_titlebar_keep_focus_when_window_shading
archcraft-openbox / all_enhance