Hi Axel,
My own code is now dependent on this patch. Does it look ok? Can it be
included in the next release?
thanks,
Tim
On 30/01/12 21:18, Tim Docker wrote:
> I attach a patch. Please let me know if it is suitable.
>
> Tim
>
> On 28/01/12 00:19, Axel Simon wrote:
>> Hi Tim,
>>
>> On 27.01.2012, at 13:42, Tim Docker wrote:
>>
>>> 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?
>>>
>>
>> Yes, this is an oversight. The right thing would be to add
>> widgetRestoreBase, widgetRestoreText, widgetRestoreFg, widgetRestorBg
>> in order not to break the existing API. In case you feel like
>> implementing them (with docs, please) then we'll gladly apply a patch.
>>
>> Cheers,
>> Axel
>>
>>> 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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