On 01/16/2013 08:21 AM, Bache-Wiig Jens wrote:
>
> On Jan 15, 2013, at 6:38 PM, Attila Csipa <[email protected]> wrote:
>
>> On 15/01/13 18:27, Nurmi J-P wrote:
>>> What do you think about exposing the underlying operating system and/or 
>>> platform name in QML?
>>> ...
>>> Which one of these proposals do you like the most, or are you against the 
>>> whole idea?
>>
>> In my eyes the real question is that comes after this one - once you
>> know it (you can inject it into the context even today), what do you do
>> with it? If it is going to be used for content selection, it seems to be
>> just the underpinning of what also was Alans proposal a little while
>> back. I would be averse to using OS/platform name selector just as a
>
> True. It is exactly what we would use to implement the platform selector. But 
> it can also be more powerful than that because it makes it possible to 
> implement your own platform selectors if you disagree with whatever mechanism 
> we come up with. (i.e you can create a loader that takes dpi, os, orientation 
> and resolution into account)
>
> I wonder how useful it is to know the platform plugin though. I.e I don't 
> really care if I am on wayland or x11 or when writing QML. If I did, I would 
> probably we writing a C++ extension.
>
> What I primarily care about is if I am on "mac", "windows", "linux", 
> "android" or "iOS". This is information I would use quite often and only 
> exposing that would be a good start.
>
> Second, it would be useful to know if I am on a "phone", "tablet" or 
> "desktop" platform. ( can already guess by the resolution but perhaps it 
> would be convenient to abstract it a bit.

These days you can't really tell from the resolution :) But I don't 
think Qt currently has a way to distinguish xcb/wayland running on a 
tablet vs a desktop, or eglfs running on a phone vs a tablet. How would 
a typical Android application make the latter distinction?

> I think we can start with just the "os" part and add other things later. And 
> I think we need might need a different set of attributes from each platform. 
> What if we make it possible to query the platform plugin for platform 
> specific details, i.e like:
>
> I.e  if (Platform.os == "iOS" &&
>            Platform.property("deviceType") == "iphone" &&
>            Platform.property("deviceVersion") == "3G") ...

Sounds good.

--
Samuel
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