[SDL] SDL 2.0 API stabilization

Sik the hedgehog sik.the.hedgehog at gmail.com
Sat Mar 2 21:21:47 PST 2013


What states could be affected? May want to narrow down the specific
issues that could arise before trying to discuss what to do about it.

2013/3/3, John <john at leafygreengames.com>:
> Does the mouse state become affected by delivery of the simulated events?
> i.e.,
> will touch events now alter the mouse state?
>
>
> On 03/03/2013 12:09 AM, Sik the hedgehog wrote:
>> Yeah, that seems better. I realized later that SDL_INIT_TOUCH would
>> result in programs using SDL_INIT_EVERYTHING to not get emulated touch
>> input, but I was away by then :/ (honestly using SDL_INIT_EVERYTHING
>> isn't a good idea in the first place, but eh)
>>
>> 2013/3/3, Sam Lantinga <slouken at libsdl.org>:
>>> You can now tell if a mouse event was simulated by touch input.  The
>>> mouse
>>> event has  a new 'which' field and is set to the value
>>> SDL_TOUCH_MOUSEID.
>>>
>>> I talked it over with Ryan and this was the best solution which didn't
>>> involve unexpected behavior changes and still allowed smart applications
>>> to
>>> do the right thing.
>>>
>>> Cheers!
>>>
>>> On Sat, Mar 2, 2013 at 10:38 AM, Sik the hedgehog <
>>> sik.the.hedgehog at gmail.com> wrote:
>>>
>>>> So basically SDL_INIT_TOUCH? (if a program acknowledges it supports
>>>> touch there isn't any reason to emulate touch events)
>>>>
>>>> 2013/3/2, Sam Lantinga <slouken at libsdl.org>:
>>>>> I agree, this needs to be addressed.
>>>>>
>>>>> Another option is to default touch events off, and deliver mouse
>>>>> events
>>>> if
>>>>> they are off, and touch events if they are enabled.
>>>>>
>>>>>
>>>>> On Sat, Mar 2, 2013 at 9:50 AM, John <john at leafygreengames.com> wrote:
>>>>>
>>>>>> The android duplicate event issue needs to be addressed before SDL2
>>>>>> is
>>>>>> stable on Android. The patch is in the ticket:
>>>>>> http://bugzilla.libsdl.org/**show_bug.cgi?id=1713<
>>>> http://bugzilla.libsdl.org/show_bug.cgi?id=1713>
>>>>>>
>>>>>> The motivation is that developers cannot currently write a portable
>>>> event
>>>>>> loop in SDL2 if they want to support touch events.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 02/18/2013 02:19 AM, Sam Lantinga wrote:
>>>>>>
>>>>>>> We're on the road to release for SDL 2.0.
>>>>>>>
>>>>>>> To that end, most of the existing APIs are stable, and we'll only
>>>> change
>>>>>>> them if
>>>>>>> it's critical.
>>>>>>> There are a few things which are still being considered, such as the
>>>> iOS
>>>>>>> event
>>>>>>> handling, and touch/mouse event semantics, but by and large the API
>>>>>>> is
>>>>>>> set for
>>>>>>> release.
>>>>>>>
>>>>>>> Please report bugs which are affecting you in the current snapshot:
>>>>>>> http://www.libsdl.org/tmp/SDL-**2.0.zip<
>>>> http://www.libsdl.org/tmp/SDL-2.0.zip>
>>>>>>>
>>>>>>> If anyone wants to fix anything currently in bugzilla, they are more
>>>>>>> than
>>>>>>> welcome:
>>>>>>> http://bugzilla.libsdl.org <http://bugzilla.libsdl.org/>
>>>>>>>
>>>>>>> Cheers!
>>>>>>> --Sam
>>>>>>>
>>>>>>>
>>>>>>>
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