[Development] Crazy Idea
Pau Garcia i Quiles
pgquiles at elpauer.org
Sat Oct 22 18:16:11 CEST 2011
On Sat, Oct 22, 2011 at 6:05 PM, Dhaivat Pandya <dhaivatpandya at gmail.com>wrote:
> Okay, so, people do want this to happen. So, the first things we should
> decide would be what features/ideas one would need. I say:
> Now, IMHO, if we do make it a QPA by just changing the backend, that would
> be exactly like Wt.
Which is exactly what I'd like to see.
I'm not asking for a web framework/library based on Qt, but for a new target
for Qt: instead of compiling for Windows, Linux, Symbian or MeeGo, I would
choose "cross-compile for web". The end result would be a FastCGI module, or
a single executable which embeds its own web server (exactly like in Qt).
Emweb has put a lot of thought into Wt, really.
Also, even though desktop apps have been written like this for a very long
> time, webapps (again, IMHO) are better arranged as MVC.
> 1) Templates
> 2) MVC properly done
> 3) Some type of scaffolding script
> 4) The core needs to be extremely fast and async
> 5) Database requests are shifted off to another thread, etc. This is not
> possible (well, it is, but, not very useful) in languages such as Python,
> PHP, Ruby since they all use green threading, which works, but, isn't quite
> as fast.
> 6) Crash support, if something crashes, don't give a crazy error to the
> user, figure out where it crashed, write to logs, and the web developer uses
> an error page. Figuring out where it crashed is mostly where the work is
> 7) Qt libraries are used as much as possible
> 8) (this one needs community support to happen) Relation to scripting
> What do you think?
I think there have been several projects trying that:
Creole ( http://blogs.kde.org/node/3707 )
QtWui ( http://qtwui.sourceforge.net/ )
I want write once, compile everywhere. Even if that means having three
"different" UIs (desktop, mobile, web), it would be a wonderful feature. See
Gtk+ HTML5 backend.
2011/10/22 Pau Garcia i Quiles <pgquiles at elpauer.org>
>> IMHO a proper implementation needs to be a QPA platform.
>> Widgets need to be "drawn" in this "web" target, like in X11, Wayland,
>> Windows, etc. The only change would be the low level primitives are HTML +
>> Trivia: the first version of Wt used Qt instead as the backend. They moved
>> to Boost because of licensing (Qt was not LGPL back then) and threading.
>> On Sat, Oct 22, 2011 at 10:55 AM, <lars.knoll at nokia.com> wrote:
>>> >From my point of view:
>>> Having something here would be great. I don't think it should be part of
>>> the essential Qt modules, but as an add-on it would be a very welcome
>>> addition :)
>>> On 10/22/11 7:09 AM, "ext Mark Constable" <markc at renta.net> wrote:
>>> >On 2011-10-21 10:10 PM, Dhaivat Pandya wrote:
>>> >> This seems like something that's way out there, and may have been
>>> >> suggested before and rejected, but, I'm bringing it up anyway. What
>>> >> would the Qt community think of a web framework devised around Qt?
>>> >Speaking personally I'd love to see...
>>> >. a web server similar to lighttpd but 100% based on Qt
>>> >. an optional but builtin C++ FastCGI interface for the above
>>> >solution, with Websocket support, so it can be as both a traditional
>>> >webserver or a local backend to a HTML5/QML desktop system.
>>> >Why another webserver when lighttpd, nginx, even apache, already exist
>>> >as stable codebases? Because none of them allow me to build, develop
>>> >and deploy them, and any web based projects, within QtCreator using
>>> >CMake and Git. There is currently a complete development disconnect
>>> >when deploying a typical HTTP based remote server within a Qt project.
>>> >> Qt has all the stuff one needs to build a legitimate web framework,
>>> >> connection to a scripting language (PySide, or any language with a C++
>>> >> API, such as Lua), Sql libraries, async socket libraries, XML,
>>> >> everything. We just need some (okay, not some, a lot) of code to glue
>>> >> this all together into a well knit package. I'll await suggestions.
>>> >Wouldn't Wt provide a lot of that? http://www.webtoolkit.eu/wt
>>> >Development mailing list
>>> >Development at qt-project.org
>>> Development mailing list
>>> Development at qt-project.org
>> Pau Garcia i Quiles
>> (Due to my workload, I may need 10 days to answer)
>> Development mailing list
>> Development at qt-project.org
Pau Garcia i Quiles
(Due to my workload, I may need 10 days to answer)
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