[Pharo-dev] [ann] moldable brick editor - alpha

Esteban A. Maringolo emaringolo at gmail.com
Sat Aug 5 10:56:28 EDT 2017

It seems to be very snappy considering the size of the file and its amount
of characters.

I still don't get how Bloc and Brick plays in current Pharo, nor what this
"moldability" adds to it.
But performancewise it seems to be an improvement over the existing editor


Esteban A. Maringolo

2017-08-05 7:52 GMT-03:00 Alexandre Bergel <alexandre.bergel at me.com>:

> This is gorgeous!
> Alexandre
> --
> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
> Alexandre Bergel  http://www.bergel.eu
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
> > On Aug 4, 2017, at 6:19 PM, Tudor Girba <tudor at tudorgirba.com> wrote:
> >
> > Hi,
> >
> > We are very happy to announce the alpha version of a moldable editor
> built in Brick (https://github.com/pharo-graphics/Brick) which is based
> on Bloc (https://github.com/pharo-graphics/Bloc). This is primarily the
> work of Alex Syrel. The project was initially financially sponsored by ESUG
> and it is currently supported by feenk. And of course, the project is based
> on the tremendous work that went into Bloc and Brick by all contributors.
> >
> > Take a look at this 2 min video:
> > https://www.youtube.com/watch?v=2vy6VMJM9W4&feature=youtu.be
> >
> > The basic editor works and it is both flexible and scalable. For
> example, the last example shown in the video is an editor opened on 1M
> characters, which is reasonably large, and as can be seen see one can
> interact with it as smoothly as with the one screen text. It actually works
> just as fine with 100M characters.
> >
> > The functionality of the editor includes: rendering, line wrapping,
> keypress and shortcut handling, navigation, selection and text styling.
> Currently, the editor is 1260  lines of code including method and class
> comments. This is not large for a text editor and this is possible because
> most of the work is done by generic concepts that already exist in Bloc
> such as layouts and text measurements. Beside the small maintenance cost,
> the benefit is that we have the option to build all sorts of variations
> with little effort. That is why we call this a moldable text editor.
> >
> > Another benefit of using elements and layouts is that we can also embed
> other kinds of non-text elements with little effort (such as pictures), and
> obtain a rich and live text editor. We already have basic examples for this
> behavior, and we will focus more in the next period on this area.
> >
> > The next immediate step is to add syntax highlighting. Beside the text
> attributes problem, this issue will also exercise the thread-safety the
> implementation is. The underlying structure (https://en.wikipedia.org/
> wiki/Rope_(data_structure)) is theoretically thread-safe, but it still
> needs to be proven in practice.
> >
> > We think this is a significant step because the editor was the main
> piece missing in Brick and it will finally allow us to build value that can
> be directly perceived by regular users on top of Brick and this, in turn,
> will generate more traction. Please also note that because now Bloc is
> directly embeddable in Morphic it means that we can actually start using it
> right away. For example, the picture below shows the text element being
> shown through a live preview in the GTInspector.
> >
> > <AC36A55F-405C-6147-9E0F-BA1F6F1008BA.png>
> >
> > This is another puzzle piece towards the final goal of engineering the
> future of the Pharo user interface. There is still a long way to go to
> reach that goal, but considering the work that is behind us, that goal that
> looked so illusive when Alain and Stef initiated the Bloc project is now
> palpable.
> >
> > We will continue the work on this over the next period and we expect to
> announce new developments soon.
> >
> > If you want to play with it, you can load the code like this (works in
> both Pharo 6 and 7):
> > Iceberg enableMetacelloIntegration: true.
> > Metacello new
> >    baseline: 'Brick';
> >    repository: 'github://pharo-graphics/Brick/src';
> >    load: #development
> >
> > Please let us know what you think.
> >
> > Cheers,
> > Alex and Doru
> >
> >
> >
> > --
> > www.tudorgirba.com
> > www.feenk.com
> >
> > "What is more important: To be happy, or to make happy?"
> >
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