Fwd: Foobar2000 audio player Regression

[Nick Hornback]

> I took a quick look at it, but I came up against a
> number of problems:
> 1. The application seems to be half open-source, but
> the user interface 
> doesn't seem to in the half that is opened.
> 2. I assume patch linked to above is correct, but
> the app isn't calling 
> BeginPaint, which it should.
> 3. The app uses MFC and BeginPaint should probably
> be called by one of 
> the MFC base classes, but tracing code paths through
> MFC takes ages.
> 
> If you can get the programmer who wrote the
> application to reduce the 
> problem down to a simple test case with source, I
> might have some more 
> luck. Otherwise, I don't have the time to
> investigate it.
> 
> Rob
> 

I just mentioned the problem on foobars irc channel,
and someone posted some sample WM_PAINT code that I
believe is what you might have been looking for
(BeginPaint isn't used anywhere). According to the
foobar devs, and I've heard this from previous threads
in the foobar forums when wine had issues with
repainting the playlist, is that BeginPaint is not
nessesary, and that seems to be a recuring problem
with wine.

Attached is the code that was posted in the irc
channel. I'm not enough of a dev to make sense of it,
but hopefully it'll help.

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   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);