ubuntu-phone team mailing list archive

[Israel <israeldahl@xxxxxxxxx>]

On 11/30/2013 10:01 AM, Kevin Krammer wrote:
> On Tuesday, 2013-11-26, 07:11:17, Israel wrote:
>> On 11/26/2013 02:50 AM, Michael Zanetti wrote:
>>> On Monday 25 November 2013 18:58:45 Israel wrote:
>>>> Is there work going on to integrate something like QProcess into
>>>> QML/JavaScript.  I'd really like to run some external programs (festival
>>>> for one, and to make a few nice configuration programs for the
>>>> in-process LXQt version of Lubuntu) as I'd rather the program be
>>>> smaller, as both phone and Lubuntu generally want smaller programs,
>>>> rather than full-on C++ code (if avoidable)
>>> I don't think that's true.
>> Not sure what you mean with that?  Are you saying you don't think
>> QML/JavaScript is lighter?  If so I understand, C++ probably compiles to
>> be lighter, but my thinking is that JavaScript runs in a browser, so if
>> I can make my code one line, instead of including main.cpp, qprocess.cpp
>> qprocess.h it will be lighter (smaller?).  I suppose this is not
>> accurate, just seems like it would be slightly smaller.
> In neither case you would include qprocess.cpp in your program, it's code is 
> already part of libQtCore.
>
> In both cases you have an application that links with Qt, perhaps loading 
> parts of it as plugins.
>
> Naturally using QML, in this case for UI, will have additional overhead, at 
> least memory wise.
> If the UI component technology used with QML is QtQuick2 then this is the only 
> option [1] so also no difference.
>
> A package containing just QML and script code might be smaller in download/on-
> disk size though, assuming the runtime and all plugins are already present.
>
> Cheers,
> Kevin
>
> [1] QtQuick2 cannot be used without QML. Other UI component technologies,  
> e.g. QtWidgets or BB10/Cascades, can be used with C++ or QML.
>
>
Thank you for your reply.  I am new to Qt, and QML, so that was very
helpful!
Thanks for giving me the full run-down!


-- 
Regards