Hi,
I am attempting to use widgetModifyBase to change the background of a
text entry, and then restore it again later. It's not clear to me how
the restore should be done. It looks like the function should be taking
(Maybe Color), and indeed the comment suggests this - see below.
According to the gtk c library documentation, a null pointer for color
should be passed in to undo previous calls.
Am I missing something, or is this an oversight in the implementation?
Thanks,
Tim
widgetModifyBase :: WidgetClass self => self
-> StateType -- ^ @state@ - the state for which to set the base color.
-> Color -- ^ @color@ - the color to assign (does not need to be
-- allocated), or @Nothing@ to undo the effect of
previous calls
-- to of 'widgetModifyBase'.
-> IO ()
widgetModifyBase self state color =
with color $ \colorPtr ->
{# call gtk_widget_modify_base #}
(toWidget self)
((fromIntegral . fromEnum) state)
(castPtr colorPtr)
------------------------------------------------------------------------------
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