>> If the widget is to be "output only", then you may be best just > rolling your own. > it was less hassle than deriving from > Fl_Slider - but I didn't try that at the time so... Well I did derived custom sliders from Fl_Slider and it worked great for creating nice realistic audio mixing table sliders in an audio project but as Ian says, for 'bar graphs' with output only, the simplest and best way to go is probably just drawing a rectangle in an Fl_Box derived widget. This is just not the same thing, 'rectangular' sliders are just a particular specialization of valuators having all in common user interaction, mainly with the mouse, to change a value.
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