[webkit-dev] On/Off selection gap painting during the text selection

[Antonio Gomes]

On Tue, May 3, 2016 at 2:11 PM, Ryosuke Niwa <rniwa at webkit.org> wrote:

>
> On Tue, May 3, 2016 at 6:24 AM, Gyuyoung Kim <gyuyoung.kim at webkit.org>
> wrote:
>
>> Hello all,
>>
>> I upload a patch to add a preference API in order to enable/disable the
>> selection gap painting feature.
>>
>> Add WKPreference for SelectionPaintingWithoutSelectionGaps
>> https://bugs.webkit.org/show_bug.cgi?id=156900
>>
>>
>> You're able to see what is the selection gap painting in below
>> screenshots.
>>
>>
>> 1. Enable selection gap painting on WebKitGTK+ (Red circles point out the
>> selection gaps)
>>
>>
>> ​
>> ​
>>
>> 2. Disable selection gap painting on WebKitGTK+
>>
>>
>> ​
>> Almost browsers don't support the selection gap painting when doing text
>> selection. So I wonder why WebKit has been doing support this feature so
>> far.
>>
>
> Selection gap primarily exists to match TextEdit / NSTextView's selection
> behavior on Mac.
>
> At last year's contributor's meeting, there was a discussion about
> revising that to adopt iOS like block selection in the future once we adopt
> visual selection of contents.
>
>
Alternatively, you could also think of extending the existing
EditingBehavior class, with a method that asks about "selection gap
drawing". By design, this works as long as this behavior is to match a
platform specific behavior / pattern, rather than a port specific behavior.

However, if this is a port specific behavior, then the API seems OK.

--
--Antonio Gomes
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