[Qt-interest] Widget does not update content after some time

[Damien R]

John McClurkin wrote:
> Well, you can test Brad's assumption easily enough
> 
> void setImage(std::size_t i)
> {
>     {
>         boost::mutex::scoped_lock lock(mutex_);
>         uchar * imageBuffer = image.bits();
>         memset(imageBuffer, i * 25 % 255, WIDTH * HEIGHT * 3);
>     }
>     update();
> }
> 
> This will release the mutex before update is called.

Yes of course but it does not help, I have the same problem.