[Interest] Basic Qt Chart Widget

[William Hallatt]

Hi Konstantin

The widget *is *particularly easy to implement (there are only two
compulsory function calls to make):

http://goblincoding.com/qt-chart-widget/chartusage/

It *isn't* a comprehensive charting widget/library so won't be of
particular use for sophisticated users.  However, I would like to think
that it may be useful to some since, although it has its limitations, I
think you get quite a lot for two function calls:

http://goblincoding.com/qt-chart-widget/chartfeatures/

(please note that the widget itself is what you can see in the dock widget
area, i.e. the logging text area at the bottom and the table on the left
form part of my test client)

With regards to what may be useful/can be learned from my implementation:
I make use of design patterns (factory, singleton, strategy) and of the
PIMPL idiom (since the initial idea was to write a comprehensive library, I
set it up in a way I hoped would help ensure future binary compatibility).
Furthermore, the code is well-documented and neat and I use consistent
naming conventions throughout so if anybody *does* want to try and learn
something from my widget, it shouldn't be too hard for them to do so.

I am not trying to compete with comprehensive chart libraries.  If I was, I
would not have released a library with known limitations ;)

Regards,
William.





On 16 January 2013 11:54, Konstantin Tokarev <annulen at yandex.ru> wrote:

>
> 15.01.2013, 20:02, "André Somers" <andre at familiesomers.nl>:
> > Op 15-1-2013 16:42, Soroush Rabiei schreef:
> >> I would rather suggest contributing to an existing project instead of
> starting your own one (unless you have a completely new idea)
> > (also @ Konstatin):
> > Did either of you even read the message by William? He did this charting
> thing as a way to get into learning Qt and C++, and decided to share the
> result because he did not want to get into charting any deeper and thought
> it might be useful for somebody. And then you both suggest to join
> respectively use other, already existing libs? Come on. You could also try
> to be a bit more encouraging.
>
> I was expected justification like "Because it's much easier to use or
> customize", or "Because it's much smaller", or maybe "Because it helps you
> to learn good style Qt coding". Each project should have its selling points
> :)
>
> --
> Regards,
> Konstantin
> _______________________________________________
> Interest mailing list
> Interest at qt-project.org
> http://lists.qt-project.org/mailman/listinfo/interest
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.qt-project.org/pipermail/interest/attachments/20130116/d29a19d8/attachment.html>