Re: need help on my javascript plasmoid
On Thu, Jul 23, 2009 at 6:37 PM, Aaron J. Seigoase...@kde.org wrote: On Thursday 23 July 2009, Richard Dale wrote: Not specifically, but Arno Rehn is doing a GSOC project working on a bindings generator that uses one of Roberto Raggi's parsers. He said that the parser used for the QtScript bindings was about the oldest of the lot (the one on gitorious - is that the same as the Amarok one?). Arno is using the parser from KDevelop with KDE dependencies removed. At the moment Roberto is actively maintaining the parser used in QtCreator. So I think it would be a really good idea to consolidate all these parsers, so that KDE only actually uses one of them. Then we could use that one for QtScript bindings generation for the Qt and KDE classes. hmmm... ok, good to know. my concern is that we just remain in limbo forever with the ecma script bindings. i really don't care if we have three generators (Or whatever) as long as we have bindings; but that's just me as a selfish prospective user of said bindings speaking ;) hopefully Arno Rehn's project will produce something we can use, then? Well only Arno's expertise about the state of the various 'Raggi' parsers and how to use them. The tool he is writing produces bindings for the 'Smoke' libs used by Ruby, C# and Perl etc. and not QtScript. If we want to produce bindings for the KDE classes for ECMA script, I think upgrading the parser would be the best first step. I don't mind helping if it is something that would be popular, as opposed to 'just for completeness'. But I wonder if the current QtScript bindings with some enhancements like being able to use a HTTP download Plasma service and so on, would be good enough. By the time you have dependencies on large KDE bindings libs then maybe the advantage of QtScript over Ruby and Python of it always being installed would be negated. And for larger more complex applets I certainly think JavaScript could start being a bit of a pain compared with Python/Ruby. I'd like to hear some feedback from the Amarok guys about what sort of programmer the QtScript bindings were being used by, and how well they are coping with the full Qt api. -- Richard ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Friday 24 July 2009, Richard Dale wrote: think upgrading the parser would be the best first step. I don't mind helping if it is something that would be popular, as opposed to 'just for completeness'. i'd like to see JavaScript be _the_ recommended method for writing plasmoids. it's nice to have Python and Ruby as options, but JavaScript really ought to be the preferred solution (including for us on the plasma team). But I wonder if the current QtScript bindings with some enhancements like being able to use a HTTP download Plasma service and so on, would be good enough. By the time you have dependencies on large KDE bindings libs then maybe the advantage of QtScript over Ruby and Python of it always being installed would be negated. well, plasma already relies on kdelibs, obviously, so sucking in kdelibs isn't an issue. the benefits of JavaScript are: * way more people in this world know ECMA Script (for better or worse) * it has zero extra dependencies over what Plasma already has (qt, kdelibs) * it's realistic to consider sandboxing ECMA Script -- Aaron J. Seigo humru othro a kohnu se GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43 KDE core developer sponsored by Qt Software signature.asc Description: This is a digitally signed message part. ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Thursday 23 July 2009, Patrick Aljord wrote: Another feature that would be cool for JS plasmoids (and all scripted plasmoids in general), the possibility for plasmoids to update automatically like firefox and chrome extensions (http://dev.chromium.org/developers/design-documents/extensions/autoupdate) , that could be done by adding an update_url to plasmoids metadata.desktop file :) this should probably be handled using get hot new stuff. i've already talked with them about this feature. -- Aaron J. Seigo humru othro a kohnu se GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43 KDE core developer sponsored by Qt Software signature.asc Description: This is a digitally signed message part. ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Wed, Jul 22, 2009 at 11:24 PM, Aaron J. Seigoase...@kde.org wrote: On Wednesday 22 July 2009, Patrick Aljord wrote: xmlUrl = new QUrl( http://ws.audioscrobbler.com; ); http = new QHttp; * do not use QHttp * the JS bindings do not have support for fetching things via KIO; note that this represents a security issue that would need to be address _FIRST_ before being added to the simple JS bindings * the simple JS bindings for plasma are NOT INTENDED to be complete bindings for a number of reasons (security, easy of learning, etc) * a full set should hopefully appear in qt 4.4 (richard, did you ever find time to fiddle with that while at GCDS?) * what, precisely, are you trying to accomplish? (just to understand the use case properly) -- Hey Aaron, Thanks for your answer. I'm trying to fetch an xml file from a website that has an xml api and display the results in my plasmoid. Also, I understand the security issues so I'm curious if the fact that it's possible in ruby and python could also give security issues? Thanks in advance, Pat ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Thursday 23 July 2009, Patrick Aljord wrote: Thanks for your answer. I'm trying to fetch an xml file from a website that has an xml api and display the results in my plasmoid. will you be parsing the xml before displaying it in some custom manner? (just wondering what all would be needed to be added to make this easy to accomplish) Also, I understand the security issues so I'm curious if the fact that it's possible in ruby and python could also give security issues? yes. c/c++ is inherently un-securable due to the ability to fiddle with memory at a rather low level. ruby and python are better in that regard, but otherwise (given today's runtime envs for each) are capable of far too many other things with very few ways of actually sandboxing them appropriately to be considered for a secure scripting system. -- Aaron J. Seigo humru othro a kohnu se GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43 KDE core developer sponsored by Qt Software signature.asc Description: This is a digitally signed message part. ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Thu, Jul 23, 2009 at 2:28 AM, Aaron J. Seigoase...@kde.org wrote:
On Thursday 23 July 2009, Patrick Aljord wrote:
Thanks for your answer. I'm trying to fetch an xml file from a website
that has an xml api and display the results in my plasmoid.
will you be parsing the xml before displaying it in some custom manner? (just
wondering what all would be needed to be added to make this easy to
accomplish)
Yes I would be parsing the xml before displaying, that would be useful
to show a feed to though for that I could use a plasma engine I guess.
It would be good to be able to download and parse xml and json (well
json is easy with JS). And even better, also being able to POST http
request. That way we'd be able to interact with most web api (eg
twitter, wikipedia, feeds etc).
ruby and python are better in that regard, but
otherwise (given today's runtime envs for each) are capable of far too many
I think right now I could write a ruby script that execute
File.rm_f('~'), upload it on kde-apps and people would be able to
install that directly from the desktop, no?
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Re: need help on my javascript plasmoid
On Thu, Jul 23, 2009 at 5:24 AM, Aaron J. Seigoase...@kde.org wrote: * a full set should hopefully appear in qt 4.4 (richard, did you ever find time to fiddle with that while at GCDS?) Not specifically, but Arno Rehn is doing a GSOC project working on a bindings generator that uses one of Roberto Raggi's parsers. He said that the parser used for the QtScript bindings was about the oldest of the lot (the one on gitorious - is that the same as the Amarok one?). Arno is using the parser from KDevelop with KDE dependencies removed. At the moment Roberto is actively maintaining the parser used in QtCreator. So I think it would be a really good idea to consolidate all these parsers, so that KDE only actually uses one of them. Then we could use that one for QtScript bindings generation for the Qt and KDE classes. -- Richard ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Thursday 23 July 2009, Patrick Aljord wrote:
On Thu, Jul 23, 2009 at 2:28 AM, Aaron J. Seigoase...@kde.org wrote:
On Thursday 23 July 2009, Patrick Aljord wrote:
Thanks for your answer. I'm trying to fetch an xml file from a website
that has an xml api and display the results in my plasmoid.
will you be parsing the xml before displaying it in some custom manner?
(just wondering what all would be needed to be added to make this easy to
accomplish)
Yes I would be parsing the xml before displaying, that would be useful
to show a feed to though for that I could use a plasma engine I guess.
It would be good to be able to download and parse xml and json (well
json is easy with JS). And even better, also being able to POST http
request. That way we'd be able to interact with most web api (eg
twitter, wikipedia, feeds etc).
yes, i almost wonder if we shouldn't have some generic web api interaction
bits in there, either via an engine or a Plasma::Service a Service plugin
is probably the way to go, i think, and would be pretty easy to write, indeed.
ruby and python are better in that regard, but
otherwise (given today's runtime envs for each) are capable of far too
many
I think right now I could write a ruby script that execute
File.rm_f('~'), upload it on kde-apps and people would be able to
install that directly from the desktop, no?
yes. not great, i know.
--
Aaron J. Seigo
humru othro a kohnu se
GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43
KDE core developer sponsored by Qt Software
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Re: need help on my javascript plasmoid
On Thursday 23 July 2009, Richard Dale wrote: Not specifically, but Arno Rehn is doing a GSOC project working on a bindings generator that uses one of Roberto Raggi's parsers. He said that the parser used for the QtScript bindings was about the oldest of the lot (the one on gitorious - is that the same as the Amarok one?). Arno is using the parser from KDevelop with KDE dependencies removed. At the moment Roberto is actively maintaining the parser used in QtCreator. So I think it would be a really good idea to consolidate all these parsers, so that KDE only actually uses one of them. Then we could use that one for QtScript bindings generation for the Qt and KDE classes. hmmm... ok, good to know. my concern is that we just remain in limbo forever with the ecma script bindings. i really don't care if we have three generators (Or whatever) as long as we have bindings; but that's just me as a selfish prospective user of said bindings speaking ;) hopefully Arno Rehn's project will produce something we can use, then? -- Aaron J. Seigo humru othro a kohnu se GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43 KDE core developer sponsored by Qt Software signature.asc Description: This is a digitally signed message part. ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Thu, Jul 23, 2009 at 12:36 PM, Aaron J. Seigoase...@kde.org wrote:
I think right now I could write a ruby script that execute
File.rm_f('~'), upload it on kde-apps and people would be able to
install that directly from the desktop, no?
yes. not great, i know.
Maybe we could do one of the following for now:
a) put a warning when the user install a non JS plasmoid from GHNS
b) put a system on kde-apps.org where people could flag the plasmoids
as secure or not. Only the one who have been flagged secure by X user
could be installable on GHNS
I guess it's too late for kde 4.3, especially b).
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Re: need help on my javascript plasmoid
On Thursday 23 July 2009, Patrick Aljord wrote: b) put a system on kde-apps.org where people could flag the plasmoids s,people,plasma dev team, some of these things will become a lot easier with Rob's work on remote widgets -- Aaron J. Seigo humru othro a kohnu se GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43 KDE core developer sponsored by Qt Software signature.asc Description: This is a digitally signed message part. ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
Another feature that would be cool for JS plasmoids (and all scripted plasmoids in general), the possibility for plasmoids to update automatically like firefox and chrome extensions (http://dev.chromium.org/developers/design-documents/extensions/autoupdate), that could be done by adding an update_url to plasmoids metadata.desktop file :) Then again plasma devs would need to flag the update as OK first before the plasmoids updates automatically unless plasmoids are not downloaded from kde-apps.org, maybe when installing a plasmoid from a host, the user would have to confirm he/she trusts that hosts so that future updates may apply automatically. ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
need help on my javascript plasmoid
Hey all, I've been following the Getting Started tutorial on techbase and it works great. Since then, I've been trying to use QHttp and other Qt classes in my main.js file but the plasmoid fails. I'm trying to download an xml file such as in this amarok script example: http://amarok.kde.org/forum/index.php?topic=17084.0 Something like that: Importer.loadQtBinding( qt.core ); Importer.loadQtBinding( qt.xml ); xmlUrl = new QUrl( http://ws.audioscrobbler.com; ); http = new QHttp; Any idea why it fails? By the way, how do I get any debugging? When I do plasmoidviewer . I just get the plasmoid with the Script initialization failed message, nothing more. Thanks in advance Pat ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Wed, Jul 22, 2009 at 3:03 AM, Marco Martinnotm...@gmail.com wrote: in amarok js bindings are complete and autogenerated. for now in plasma hey are just a tiny subset and you can call only stuff explicitly exported by libplasma probably in the future we will have complete bindings too Ok thanks for the info, that kinds of limits a lot what can be done with JS, I hope it will improve soon. Do you know whether the ruby and python engines are limited in the same way too? ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Wednesday 22 July 2009, Patrick Aljord wrote: On Wed, Jul 22, 2009 at 3:03 AM, Marco Martinnotm...@gmail.com wrote: in amarok js bindings are complete and autogenerated. for now in plasma hey are just a tiny subset and you can call only stuff explicitly exported by libplasma probably in the future we will have complete bindings too no, from python and ruby pretty much everything from qt and kdelibs shoud be available Ok thanks for the info, that kinds of limits a lot what can be done with JS, I hope it will improve soon. Do you know whether the ruby and python engines are limited in the same way too? ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel -- Marco Martin ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
Re: need help on my javascript plasmoid
On Wednesday 22 July 2009, Patrick Aljord wrote: xmlUrl = new QUrl( http://ws.audioscrobbler.com; ); http = new QHttp; * do not use QHttp * the JS bindings do not have support for fetching things via KIO; note that this represents a security issue that would need to be address _FIRST_ before being added to the simple JS bindings * the simple JS bindings for plasma are NOT INTENDED to be complete bindings for a number of reasons (security, easy of learning, etc) * a full set should hopefully appear in qt 4.4 (richard, did you ever find time to fiddle with that while at GCDS?) * what, precisely, are you trying to accomplish? (just to understand the use case properly) -- Aaron J. Seigo humru othro a kohnu se GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA EE75 D6B7 2EB1 A7F1 DB43 KDE core developer sponsored by Qt Software signature.asc Description: This is a digitally signed message part. ___ Plasma-devel mailing list Plasma-devel@kde.org https://mail.kde.org/mailman/listinfo/plasma-devel
