> On 24 Jun 2016, at 14:40, Nicolai Hess <[email protected]> wrote: > > > > 2016-06-24 14:32 GMT+02:00 Esteban Lorenzano <[email protected] > <mailto:[email protected]>>: > … and I enhanced the example to not induce to confusion anymore :) > > Esteban > > Sorry, I must be stupid, it still does not work ( and it actually looks the > same as with the existing WinHandle type).
well, that I don’t know… for me it works, I tested it in Win10 and it was fine. What exactly are you trying to do? Esteban > > > >> On 24 Jun 2016, at 14:27, Nicolai Hess <[email protected] >> <mailto:[email protected]>> wrote: >> >> >> >> 2016-06-24 14:05 GMT+02:00 Esteban Lorenzano <[email protected] >> <mailto:[email protected]>>: >> >>> On 24 Jun 2016, at 09:53, Nicolai Hess <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> >>> >>> I’m sorry… I do not understand. This is solved in UFFI since some months, >>> and Torsten’s OSWindow uses it. >>> >>> Sorry then it is my fault. I know that Torsten already ported OSWindow to >>> UFFI, and that most things are already working. >>> >>> UFFI provides FFIConstantHandle type to deal with windows HANDLE types, as >>> comment says: >>> >>> I represent a constant HANDLE, as described in *Windows >>> MSDN>https://msdn.microsoft.com/en-us/library/windows/desktop/ms724457(v=vs.85).aspx* >>> >>> <https://msdn.microsoft.com/en-us/library/windows/desktop/ms724457(v=vs.85).aspx*> >>> >>> A ==HANDLE== is a special kind of external object who is accessed through >>> numbers, therefore and ==ExternalAddress== is not appropriate to describe >>> it (since they are constants and external addresses represents disposable >>> spaces from memory). >>> >>> Is not clear this is necessary outside Windows, but according to >>> documentation they are somekind analogous to unix's File Descriptors (but >>> with some remarkable diferences, as documented >>> *here>http://lackingrhoticity.blogspot.fr/2015/05/passing-fds-handles-between-processes.html* >>> >>> <http://lackingrhoticity.blogspot.fr/2015/05/passing-fds-handles-between-processes.html*>. >>> >>> Example: >>> [[[ >>> HWND := #FFIConstantHandle. >>> self ffiCall: #(HWND GetActiveWindow()) >>> ]]] >>> >>> is there anything I’m missing? >>> >>> I don't know what else should I do, I already posted the example. >>> The code I provided just don't work (DNU on isExternalAddress, see other >>> mail), and I have no idea how to make it work. >>> Yes, maybe I don't know enough about ffi for this type of the function >>> argument passing. >> >> the example is a simplification, you cannot put both definition and call in >> same method… find attached a working example of what you want. >> >> >> Thank you! >> >> >> >> >> >>> >>> (actually I tried to port some NBOpenGL code to UFFI, for this I need to >>> register a Window Class with WinWndClassEx (to create a gl context). >>> So if this *is* already working, I need to look what I have done wrong). >>> >>> thanks for your response. >>> nicolai >>> >>> >>> >>> Esteban > >
