Zooming controls: slider or combobox?

[Debarshi Ray]

I was looking at the various "zooming controls" used in GNOME programs
to decide what to use in a program. Apart from the simple '+' and '-'
controls I found atleast two others -- F-Spot's slider, and
Evince/Epiphany's GtkComboBox. Is there a preference in favour of the
slider or the combobox?

Thanks,
Debarshi
--
One reason that life is complex is that it has a real part and an
imaginary part.
    -- Andrew Koenig
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[Vadim Peretokin]

The ComboBoxEntry seems to just work well for pre-defined values, that's why Epiphany is using them for fonts. I'd say a slider is more applicable in the general case...
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