(defwidget panel_left [h]
    (box
        :class  "panel_side panel_left"
        :halign "start"
        :height 28
        ;:width  300
        ;:active true
        :tooltip    "${leftwm_state.window_title}"

        "${substring(leftwm_state.window_title, 0, 32)}${strlength(leftwm_state.window_title) > 32 ? '..' : ''}"
    )
)