DataGrid 2 swipe actions

[Mark Waddingham]

Heh - well I said ‘well structured’ not ‘literary’...

Although that being said, the ‘singular’ noun ‘drag’ has a plural and I believe it is ‘drags’... 

e.g. ‘It took several drags of her long fingernails down the blackboard to make the class pay attention’ ;)

If your fix works for you - great...

Unfortunately it breaks some functionality for others so isn’t mergeable as it stands.

Warmest Regards,

Mark.

Sent from my iPhone

> On 27 Aug 2020, at 20:58, Mike Kerner via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> Don't be telling me about "well structured commit titles".  There is
> nothing clear in that title, unless British is your first language, and
> English is your second, and in British we add an "s" on the ends of every
> singulars nouns, and peoples speak with a lisps.
> In the meantime(s), setting the delayTouches to false(s) on a DG(s) breaks
> scrolling(s), thus my PR(s), from however-long-ago it(s) was. :-P
> Tag.  You(s)'re it(s)
> 
>> On Thu, Aug 27, 2020 at 2:17 PM Mark Waddingham via use-livecode <
>> use-livecode at lists.runrev.com> wrote:
>> 
>>> On 2020-08-27 17:07, Mike Kerner via use-livecode wrote:
>>> name's mikey.  y'all can call me...
>>> mikey
>>> 
>>> howdy.
>>> 
>>> i think it was just one line of code, too, right?  it was just a matter
>>> of
>>> setting the delayTouches to true.  i have no idea why it was originally
>>> "false".
>> 
>> Well, the advantage of generally trying to make sure all substantive
>> changes made to the source have well structured commit titles and decent
>> descriptions in the body means its easy to find out by grokking `git
>> log` :D
>> 
>> It was changed precisely because of the issues Andrew pointed out with
>> DG2, specifically in this commit:
>> 
>> commit ac1beee1dd113e203b6715fe472cf2fa88656bd5
>> Author: Michael McCreary <michael.mccreary at runrev.com>
>> Date:   Thu Dec 21 12:49:26 2017 +0000
>> 
>>     [[ DataGrid 2 ]] Fix drags to cooperate with the mobile scroller.
>> 
>>     Previously, a data grid's mobile scroller was getting in the way of
>>     reorder and swipe actions.
>> 
>>     To fix for reordering, we disable the scroller whenn the user clicks
>>     on a reorder control (and re-enable it when the reorder completes).
>> 
>>     Swipes are a little trickier. We track dragging on mouse down, but
>>     disabling the scroller at this point will prevent all scrolling.
>>     Instead we attempt to determine if the user is trying to drag the
>>     row before disabling the scroller.
>> 
>> I'd need to do some more digging to see if the highlight on touch has
>> actually been caused by something else since  as I don't recall it being
>> an issue, or noticed when DG2 debuted - but I could be wrong. Especially
>> more since Android has never had a delayTouches mode.
>> 
>> Either this problem also affects Android, which means turning
>> delayTouches on is not really an option (given the negative consequences
>> to DG2 behavior); or it doesn't affect Android in which case something
>> else has changed (potentially in the iOS scroller control itself).
>> 
>> I suspect we will just need a short timer on mouse down so that it only
>> triggers a highlight *if* a scroll message isn't received within the
>> interval of the timer.
>> 
>> Warmest Regards,
>> 
>> Mark.
>> 
>> --
>> Mark Waddingham ~ mark at livecode.com ~ http://www.livecode.com/
>> LiveCode: Everyone can create apps
>> 
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> 
> 
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