Re: WIN32Server don't display the auto-completion window

[Fred Kiefer]

In this case the code you should be looking into is in Win32CairoSurface. It 
may also be worthewhile to check the Testplant branch, whether there is already 
a fix for this issue.

Fred

On the road

Am 24.02.2015 um 18:55 schrieb Germán Arias <address@hidden>:

> The problem with cairo backend is that, if the window is not buffered,
> The line:
> 
> copy->_ct = cairo_create(cairo_get_target(_ct));
> 
> at method -copyWithZone, fails with the error CAIRO_STATUS_NO_MEMORY. Or
> maybe this is a bug with NSZone on Windows? I don't know but with
> buffered windows there is no problem.
> 
> With winlib I don't know what is the problem. But I think cairo will be
> the default backend on the future. Because maintain two backends will be
> a nightmare.
> 
> Germán
> 
>> El mar, 24-02-2015 a las 09:22 +0100, Fred Kiefer escribió:
>> Thank you for reverting. You are correct that switching the backing style is 
>> only a tiny waste of graphics memory. We could change all windows to 
>> NSBackingStoreRetained, but if we did we wouldn't know whether the other 
>> styles still work and if user code uses a different type, that could fail.
>> 
>> Ignoring the style in the backend is different, it wastes just the same 
>> memory, but does so consistently. The problem here is why this doesn't work 
>> for you. I am sure it used to work for both winlib and cairo. And I really 
>> cannot see, what is causing the problem for you with cairo. Please try to 
>> find the issue in back, the code there already should ignore the backing 
>> style, why isn't it?
>> 
>> Fred
>> 
>> On the road
>> 
>> Am 24.02.2015 um 00:59 schrieb Germán Arias <address@hidden>:
>> 
>>>> El lun, 23-02-2015 a las 23:01 +0100, Fred Kiefer escribió:
>>>> Could you please take back the gui changes you commited to work around 
>>>> this issue? I really don't think that this is a gui issue and we should 
>>>> try to address it on the correct level. In this case it would be in back 
>>>> and there in the win32 code. If you have a look there in WIN32Server.m you 
>>>> will see that for the cairo backend none of the backing store type 
>>>> settings should have any effect as all that code is just conditionaly for 
>>>> winlib. The question now should be why this doesn't have the intended 
>>>> effect for you.
>>>> 
>>>> Fred
>>>> 
>>>> On the road
>>> 
>>> Done. But I don't see a problem using buffered windows. According with
>>> this:
>>> 
>>> https://developer.apple.com/library/mac/documentation/Cocoa/Reference/ApplicationKit/Classes/NSWindow_Class/#//apple_ref/c/tdef/NSBackingStoreType
>>> 
>>> NSBackingStoreNonretained
>>> 
>>> The window draws directly to t