<container color='#00000080' size='400' size-func="unpack(gui.get_viewport())">
    <container size-func="gui.get_viewport()[1],gui.get_viewport()[2]-40">
        <textbox 
            id='log' 
            color='0'
            autoresize='true' 
            margin='0'
            editable='false' 
            multiline='true' 
            size-func="gui.get_viewport()[1],40"
            gravity="bottom-left"
        ></textbox>
    </container>
    <textbox id='prompt' 
             consumer='submit' 
             margin='0' 
             gravity='bottom-left' 
             size-func="gui.get_viewport()[1],40"
             onup="on_history_up()"
             ondown="on_history_down()">
    </textbox>
</container>
