[Spice-devel] Remote Viewer for Windows XP with UsbDk support

[Fabiano Fidêncio]

On Sun, Mar 5, 2017 at 8:46 PM, Fabiano Fidêncio <fabiano at fidencio.org> wrote:
> On Sun, Mar 5, 2017 at 3:41 PM, Frediano Ziglio <fziglio at redhat.com> wrote:
>>
>> On Sun, Mar 5, 2017 at 12:37 PM, Victor Toso <lists at victortoso.com> wrote:
>>>
>>> Hi,
>>>
>>> On Sun, Mar 05, 2017 at 11:46:01AM +0200, Sameeh Jubran wrote:
>>> > Hi all,
>>> >
>>> > I am trying to run Remote Viewer inside Windows XP while using UsbDk for
>>> > redirection, However when installing the latest version of Virt-Viewer
>>> > on
>>> > XP and try to run Remote Viewer some Dlls seem to be missing.
>>> >
>>> > Anyone knows where can I find / compile a version that supports UsbDk
>>> > and
>>> > runs on Windows XP?
>>>
>>> Can you provide which dll's are missing?
>>
>> dwmapi.dll
>>
>>
>> $ grep -ri dwmapi
>> Binary file Program Files/VirtViewer v5.0-256/bin/libgdk-3-0.dll matches
>>
>> $ i686-w64-mingw32-objdump -x Program\ Files/VirtViewer\
>> v5.0-256/bin/libgdk-3-0.dll
>> ...
>>         DLL Name: dwmapi.dll
>>         vma:  Hint/Ord Member-Name Bound-To
>>         9725c       3  DwmEnableBlurBehindWindow
>>         97278      15  DwmIsCompositionEnabled
>> ...
>>
>> Don't ask me why they are needed.
>>
>> dwmapi.dll is the "Desktop Window Manager" and from
>> https://msdn.microsoft.com/en-us/library/windows/desktop/aa969540(v=vs.85).aspx
>> was introduced in Vista.
>>
>> To stub them DwmIsCompositionEnabled and DwmEnableBlurBehindWindow should
>> return S_FALSE.
>>
>> They are used in gtk+, sources gdk/win32/gdkwindow-win32.c and
>> ./gdk/win32/gdkscreen-win32.c.
>>>
>>> Just to be sure, y
>>>
>>> ou are using the virt-viewer 5.0 from
>>> https://virt-manager.org/download/ ?
>>
>> Yes, I tried v5.0 v4.0 and v3.0 all of them require this DLL.
>> v2.0 works on XP but I am not sure it supports UsbDk, can you confirm this?
>>>
>>>
>>> Cheers,
>>>         toso
>>
>> Do we support Windows XP as client?
>
> No. We do not support windows XP as client.
> Gtk3 dropped Windows XP support a while ago and we dropped Gtk2
> support a while ago.

Being a bit more precise here ... on 4.0 we dropped support to Gtk2.

And here you can see the discussion about Windows XP:
https://www.redhat.com/archives/virt-tools-list/2015-November/msg00176.html
This thread continues on December 2015. Just follow it up and you'll
see when and why the decision was taken.

Best Regards,
-- 
Fabiano Fidêncio