[Development] [QtQuick] Mouse/Touch handling from Qt CS

[Alan Alpert]

On Thu, Jul 25, 2013 at 1:23 PM, Shawn Rutledge
<shawn.t.rutledge at gmail.com> wrote:
> On 25 July 2013 18:06, Alan Alpert <416365416c at gmail.com> wrote:
>> On Thu, Jul 25, 2013 at 1:14 AM, Rutledge Shawn
>> <Shawn.Rutledge at digia.com> wrote:
>>>
>>> On 24 Jul 2013, at 5:45 PM, Alan Alpert wrote:
>>>
>>>> Qt CS had a discussion on how to handle mouse and touch event
>>>> conflicts in QtQuick going forwards.
>>>>
>>>> An interesting idea came up that the existing model might be
>>>> salvageable if we fix multi-cursor support.
>>>
>>> I suggested that idea 2 years ago, but I was told authoritatively at that time that realistically, Qt will never support multiple cursors, because the idea of a single cursor, single grab, single focus, etc. is so pervasive in Qt.
>>
>> Two years ago, was capacitive multi-touch an essential feature for
>> UIs?
>
> Yes, it became an essential feature for mobile device UIs suddenly in
> 2007.  But the point is not whether or not to have multi-touch, but
> whether we can pretend that multi-touch and multi-mouse are the same
> thing.  I don't think we can because
> 1) it's the hard way to get there, due to Qt legacy

If you know an easy way then you need to tell me now ;)

> 2) the use cases aren't really the same
> 3) multiple mice implies multiple users, multiple active windows,
> multiple focus, etc.

Multi-touch is heading in that direction too. Even with a single user,
tablets are already at the point where you can have multiple windows
on screen at once and so multiple active windows with focus is
plausible right now.

--
Alan Alpert