Thanks,
Milind
On Sat, Jul 11, 2015 at 7:37 AM, Antonio Scuri <sc...@tecgraf.puc-rio.br>
wrote:
> BTW, all the callbacks are type-defined in "iupcbs.h". So actually all
> you have to do is:
>
> #include <iupcbs.h>
> ....
>
> cb = (IFnii)IupGetCallBack(...);
>
> for the resize_cb
>
> Best,
> Scuri
>
>
> On Sat, Jul 11, 2015 at 11:33 AM, Milind Gupta <milind.gu...@gmail.com>
> wrote:
>
>> I figured out. Thanks for leading me in the right direction. I did:
>>
>> typedef int (*reszcb)(Ihandle*,int,int);
>>
>> and then
>> reszcb cb;
>> cb = (reszcb)IupGetCallBack(...);
>>
>> On Sat, Jul 11, 2015 at 6:50 AM, Milind Gupta <milind.gu...@gmail.com>
>> wrote:
>>
>>> Hi Mihail,
>>> Thanks for your reply.
>>> On Jul 11, 2015 1:51 AM, "Mihail Ivanchev" <mihai...@gmail.com> wrote:
>>> >
>>> > Hi Milind,
>>> >
>>> > looking at the definition of Icallback in iup.h:
>>> >
>>> > typedef int (*Icallback)(Ihandle*);
>>> >
>>> > you can just call a callback you receive from iupGetCallback through
>>> myCallback(someHandle)
>>>
>>> I tried this and because I was trying to pass additional arguments the
>>> compiler complains.
>>>
>>> In practice, however, other (similar) function types are also cast to
>>> Icallback. They mostly have a different number of parameters. For instance
>>> the callback of a canvas for the RESIZE_CB has the structure:
>>> >
>>> > int function(Ihandle *ih, int width, int height);
>>> >
>>> > Therefore it might be a bad idea to invoke a callback function in this
>>> way. You will need to consider what type of event this callback was
>>> installed for.
>>>
>>> So if I had to call the resize call back how would I pass in the width
>>> and height arguments?
>>>
>>> Thanks,
>>> Milind
>>>
>>> >
>>> > Regards
>>> > Mihail
>>> >
>>> >
>>> > On 7/11/2015 08:14, Milind Gupta wrote:
>>> >>
>>> >> How can I call a function I receive from iupGetCallBack i.e. function
>>> of the type Icallback?
>>> >>
>>> >>
>>> >>
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