qreator-discuss team mailing list archive

[Stefan Schwarzburg <stefan.schwarzburg@xxxxxxxxx>]

Hi David

On Sun, Apr 28, 2013 at 5:36 PM, David Planella
<david.planella@xxxxxxxxxx>wrote:

> Al 17/03/13 09:06, En/na Stefan Schwarzburg ha escrit:
> > Hi David,
> >
> > On Fri, Mar 15, 2013 at 3:18 PM, Stefan Schwarzburg
> > <stefan.schwarzburg@xxxxxxxxx <mailto:stefan.schwarzburg@xxxxxxxxx>>
> wrote:
> >
> >     Hi David,
> >
> >     In the last two days I had some time and had a closer look at the
> >     qml code you have written for Qreator.
> >     I really like it a lot and have started to use it as a basis for
> >     some tests of my own [1].
> >
> >     I think in the long run, we should start a new series in launchpad
> >     and continue there.
> >
> >     I'm not really sure that I have really understood all the concepts
> >     of QML, especially how to work around the limitations..., but I have
> >     nevertheless started to organize your code a little and add some
> >     features...
> >
> >     1) qrcode.js
> >     I have extended qrcode.js to allow for qrcodes up to size 40
> >     (177x177 modules) instead of only size 10.
> >     I have added a custom excetion that can be caught in order to
> >     increase the size if the text does not fit the current size.
> >     With those two changes, we now start at the smallest version and
> >     upgrade the size dynamically...
> >
> >     2) directory structure
> >     I have reorganized a lot of code. All longer functions are now in
> >     'coffee/qreator.coffee' and get compiled to 'js/qreator.js'
> >     QR code pages have their own folder and one file per code, they
> >     register themselves in a global model.
> >     All other pages are also single files in a different folder.
> >
> >     3) About / credits
> >     I have added a few pages
> >
> >     4) Theming
> >     I have slightly modified your already existing theming capabilities,
> >     added color-themes and dot themes as separate entities, both of
> >     which can be selected.
> >     The current color theme and the current dot theme are stored in a
> >     Qt.LocalStorage database and are persistent.
> >     Every user will eventually be able to add colorthemes themselves (as
> >     soon as there is a color picker in the Ubuntu SDK).
> >
> >     5) maybe more...
> >
> >     Actually, I struggled a lot with the limitations of QML and
> >     javascript. I feel like having to jump through hoops in order to get
> >     the simplest things done (e.g. triggering all qrcanvases to redraw
> >     themselves without changing any text is something I still can't
> do...)
> >
> >
> > Just an update: this automatic update is now working as well...
> > Connecting signals to signals to functions... :-)
> >
>
> That is absolutely stunning, thanks for the great work! I actually saw
> it over the weekend before reading your e-mail.
>
> I'm on a plane right now and with limited time, but we should schedule a
> call or continue the discussion on the mailing list on the week of the
> 6th of April when I'm back.
>
>
Great! I have only limited time from the 9th to the 11th, but apart from
that I'm here.
Lets have another call, its easier than writing...



> In terms of feedback, the only think that I noticed was that your
> functional branch had a noticeable lag in typing and the changes
> appearing in real time in the QR code, in comparison to my demo branch.
>
> It might well be that the original branch was simply faster because,
> well, it didn't do much :), but it'd be interested to know if you've
> noticed this lag and if so, if you've got any ideas where it might come
> from and how to overcome it.
>
> I have definitely noticed it, and I guess I already know where it comes
from (I have implemented the dynamic resizing badly). It's just not
super-easy to fix, because we have to understand the size calculation
better as it is implemented in the library. But lets talk about this in a
hangout.

Cheers,
Stefan


> Thanks!
>
> Cheers,
> David.
>
> > Cheers,
> > Stefa
> >
> >
> >
> >     Nevertheless: Its also fun to get something working, and I would
> >     really like Qreator to be ready when users actually have Ubuntu
> >     Phones in their hands...
> >
> >     Cheers,
> >     Stefan
> >
> >
> >     [1] http://ubuntuone.com/1HFUhyVRZwfLWWsh7nJSQg
> >
> >
> >
> >
>
>
> --
> David Planella
> Ubuntu App Development Liaison
> http://gplus.to/dplanella / @dplanella
> www.ubuntu.com / www.davidplanella.org
>
>
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