Re: Regression in update region handling

[Robert Shearman]

Dmitry Timoshkov wrote:
> "Alexandre Julliard"  wrote:
> > It's probably a regression around GetUpdateRect and related functions.
> > The easiest way to fix it would be to get me a copy of that app, if
> > that's possible.
>
> Haven't the code demonstrating the problem already been sent to the list?
> case WM_PAINT:
>    {
>     struct
>     {
>      RECT rcPaint;
>      HDC hdc;
>     } ps;
>     if (!GetUpdateRect(wnd,&ps.rcPaint,0))
>      GetClientRect(wnd,&ps.rcPaint);
>     ps.hdc = GetDC(wnd);
> int min,max;
> min = display_offset + (ps.rcPaint.top/item_height);
> max = display_offset + (ps.rcPaint.bottom/item_height) + 2;
> int n;
> if (max>get_count()) max = get_count();
> for(n=min;n<max;n++) repaint(n,ps.hdc,&ps.rcPaint);
>
> int blank_top = (get_count() - display_offset) * item_height;
> if (blank_top < ps.rcPaint.bottom)
> {
>  RECT temp = ps.rcPaint;
>  temp.top = blank_top;
>  HBRUSH br = CreateSolidBrush(cfg_playlist_background);
>  FillRect(ps.hdc,&temp,br);
>  DeleteObject(br);
> }
> ReleaseDC(wnd,ps.hdc);
> ValidateRect(wnd,&ps.rcPaint);

I've tried it and it ran without problem. I also tried a few variants, 
without getting an infinite loop.

Rob