Re: [PATCH v2 0/1] MR7106: winex11: Use the win32 client rect in needs_client_window_clipping.

[Rémi Bernon]

Rémi Bernon (@rbernon) commented about dlls/winex11.drv/init.c:
> -    struct x11drv_win_data *data;
>      RECT rect, client;
>      UINT ret = 0;
>      HRGN region;
>      HDC hdc;
>
> -    if (!(data = get_win_data( hwnd ))) return TRUE;
> -    client = data->rects.client;
> -    release_win_data( data );
> +    NtUserGetClientRect( hwnd, &client, NtUserGetDpiForWindow( hwnd ) );
>      OffsetRect( &client, -client.left, -client.top );
>
> if (!(hdc = NtUserGetDCEx( hwnd, 0, DCX_CACHE | DCX_USESTYLE ))) return FALSE;
>      if ((region = NtGdiCreateRectRgn( 0, 0, 0, 0 )))
>      {
>          ret = NtGdiGetRandomRgn( hdc, region, SYSRGN | NTGDI_RGN_MONITOR_DPI );
> Actually, you need to either use `NtUserGetWinMonitorDpi` here, or remove `NTGDI_RGN_MONITOR_DPI` from the `NtGdiGetRandomRgn` call. The latter being possibly better as it will avoid any rounding and the eventually related issues.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/7106#note_91558