Axel Simon <axel.si...@ens.fr> writes:
> On Sep 30, 2009, at 16:27, Andy Stewart wrote:
>
>> Today, i see function `gtk_text_buffer_get_bounds` document:
>>
>> ------------------------------> document start
>> <------------------------------
>> /**
>> * gtk_text_buffer_get_bounds:
>> * @buffer: a #GtkTextBuffer
>> * @start: iterator to initialize with first position in the buffer
>> * @end: iterator to initialize with the end iterator
>> *
>> * Retrieves the first and last iterators in the buffer, i.e. the
>> * entire buffer lies within the range [...@start,@end).
>> *
>> **/
>> void
>> gtk_text_buffer_get_bounds (GtkTextBuffer *buffer,
>> GtkTextIter *start,
>> GtkTextIter *end)
>> ...
>> ------------------------------> document end
>> <------------------------------
>>
>> So textBufferGetBounds should be
>>
>> "TextBufferClass self => self -> IO (TextIter, TextIter)",
>>
>> and not current type signature
>>
>> "TextBufferClass self => self -> TextIter -> TextIter -> IO ()"
>>
>> return type `IO ()` doesn't make any sense.
>
> True.
>
>>
>> Below is my new implementation of `textBufferGetBounds`:
>>
>> ------------------------------> implement start
>> <------------------------------
>> textBufferGetBounds :: TextBufferClass self => self -> IO
>> (TextIter, TextIter)
>> textBufferGetBounds self = do
>> start <- makeEmptyTextIter
>> end <- makeEmptyTextIter
>> {# call unsafe text_buffer_get_bounds #}
>> (toTextBuffer self)
>> start
>> end
>> return (start, end)
>> ------------------------------> implement end
>> <------------------------------
>>
>> What do you think?
>>
>> -- Andy
>>
>
> That's not better. Try:
>
> textBufferGetBounds :: TextBufferClass self => self -> IO (TextIter,
> TextIter)
> textBufferGetBounds self = alloca \startPtr -> alloca \endIter -> do
> {# call unsafe text_buffer_get_bounds #}
> (toTextBuffer self)
> startIter
> endIter
> start <- peek startIter
> end <- peek endIter
> return (start, end)
Hmm, looks TextBuffer.chs.pp need change manay
Because many funcitons use `makeEmptyTextIter`.
I will send you new patch soon.
-- Andy
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