Re: [pksampler-devel] CLAM and PK widgets
Status: Beta
Brought to you by:
patrickkidd
From: Patrick S. <pat...@gm...> - 2007-04-12 17:09:57
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On 4/12/07, David Garc=EDa Garz=F3n <dg...@iu...> wrote: > On Thursday 12 April 2007 04:14:49 Patrick Stinson wrote: > > I wish I had more brain to use to listen to your description, but i am > > in the middle of a totally unrelated commercial release for my client. > > No problem. Let's talk afterwards then. Sure. This topic is really fun because the work is really high level and ea= sy! > > > I built our system around the specific requirements for our product > > plugin system, so it probably won't make much sense for you.\ > > > > I program against the latest PyQt4 and for any platform. I always > > build from source. I suggest you do too. > > I do, but we offer a development platform and distribute packages for a l= ot of > platforms so in some way we will like to distribute the widget toolchain = too > in a similar way or providing some howto. Gotchya. Packaging is the usually the biggest problem with sip/pyqt stuff, = IMO. > > > I'd be happy to answer questions about the povray stuff. That facet of > > my code is pretty interesting, as it lets you focus on the povray > > scenes. I can't remember what state the pkpov tool is in, but I was > > just writing the scenes myself in python anyway, so I suggest you try > > that. > > I did some experiments by changing parameters such as colors and size of > buttons, and works pretty well. :-) I need to know how to crop them but i= am > on the track. Right. I wrote a tool to do that a while ago, but it isn't in my repository anymore because I took a different direction with the widgets I have now. I could write it again in a day or less if I wasn't so busy... We release early june (hopefully) and this stuff would be fun to get back into then (no promises!) > > What i miss is some way of making the background transparent. Adding pkwi= dgets > to an interface forces you to use the widget background for all the inter= face > to avoid awkward aspect. By having an alpha background we could remove th= is > limitation. I spotted several interesting links: > http://www.imagico.de/pov/icons.html > http://www.econym.demon.co.uk/shadowtut/index.htm This was one of two major problems I never tackled.. I thought about using some sort of mask, but I'm not sure. The purest way would be to get povray to do it, but I haven't looked into it. If it isn't immediately possible using the povray docs, then a post to the povray mailing list and/or community forums would probably be worth it. If not, creating some sort of mask might be the way to go, but that would be difficult with the shadow. > > > Keep me informed how your work goes. I'm glad to hear my code helped. > > At the moment i'll use the existing widgets and pixmaps and i'll extend b= oth > as i need more. Our packaging must not to be changed for that. Eventually= i > would like to integrate things further and porting other widgets. So let'= s > talk then. I'll keep you informed. Warn me also when your release is over= and > lets chat a little. I may not remember (we are REALLY busy), so drop me another line if I don't get back to you. This is what we are working on: www.soundsonline.com. Are you doing anything commercially? > > Regards > > > > On 4/11/07, David Garc=EDa Garz=F3n <dg...@iu...> wrote: > > > On Dijous 12 Abril 2007, Patrick Stinson wrote: > > > > Are you working on a project written in python? > > > > > > No, it is C++. Although we want to provide bindings soon. > > > > > > > If so, I would suggest > > > > that you keep as much code in python as possible! > > > > > > Yes, i understand why. Now i have to take a look at the features you > > > added since the original port i did in 2004. Afortunatelly, C++ code = is > > > nearly as tiny and simple as Python code. > > > > > > Any way i just need being able to load the plugin, and just rely on t= he > > > AbstractButton and AbstractSlider interface, so i would like to check= if > > > i the new announced PyQt feature (python designer plugins) really wor= ks. > > > > > > > I developed an interesting way to do this in designer in C++. It is > > > > kind of complicated, though. > > > > > > > > I have a basic subclass for each standard widget like knob and butt= on. > > > > They all have myStyle, myObject, and myValue (not the real names - = the > > > > real names have our code name in them), string properties declared > > > > with Q_PROPERTY. When a plugin widget is loaded, the host wrapper > > > > checks all children with QWidget::findChildren() that have the mySt= yle > > > > property, and creates the appropriate style and sets it on the widg= et. > > > > It took me a while to write the styles, but know that I know the > > > > proper enums and virtual functions (hint: read qwindowsstyle.cpp an= d > > > > qcommonstyle.cpp for QWidget subclass usage, in that order) it's > > > > rpetty easy to write a style. > > > > > > > > PyQt doesn't support QStyle subclasses because of a casting problem= - > > > > that's why I wrote my simple custom classes. My classes expect the > > > > pixmaps to be in a certain format (not so unreasonable), and the > > > > subclasses are all centered around a pythonic way to set a pixmap p= ath > > > > on a widget easily. I don't know how this integrates into your > > > > project. > > > > > > > > What are your requirements for your widgets? do you just want to > > > > display pixmaps widgets from a designer form? > > > > > > Well, i think that the current approach we are taking is more suited = for > > > our purposes. Just a property with the base name for the pixmap. Our > > > project is a prototyping tool, as i told you. We want to allow a maxi= mum > > > flexibility without programming. A user can build his own interface a= nd > > > bind it to a processing core which is also constructed by another vis= ual > > > tool, the NetworkEditor. Check the newer development snapshots. They = have > > > been assembled using pixmap widgets from the designer plugin. > > > > > > http://clam.iua.upf.edu/wikis/clam/index.php/Development_screenshots > > > > > > For the pixmap widgets i would like to have a fast way they can chang= e > > > the image without compilation, that's why i made it a property. > > > > > > In fact, I don't like my current property implementation. I would lik= e a > > > pixmap property so you can use the resource dialog, but then i don't = know > > > how to get the file name from the pixmap in order to extrapolate the > > > other names. I also would like to provide some default implementation= s > > > classes not requiring to setup any property. But definitely this appr= oach > > > is more flexible than building a QStyle. > > > > > > I would like also that our users could have your povray based widget > > > construction kit available on a handy place. So that they can generat= e > > > new widgets easily. I have to talk more to you about that. I am not a > > > povray expert. Also debian and your programs' dependencies are in som= e > > > kind of trouble. Which ditribution are you programming on? > > > > > > > You can do whatever you > > > > want with my code, just leave a reference somewhere that says you > > > > learned something from me so I can get hired again when I quit my > > > > current job. > > > > > > Of course. Thanks. And when you need to be hired, feel free to refer = our > > > project as a success history for your developments. Definitely, we ar= e > > > going to use it a lot. :-) > > > > > > > On 4/11/07, David Garc=EDa Garz=F3n <dg...@iu...> wrote: > > > > > Hi, patrick and any one on the list. > > > > > > > > > > I am working on a C++ designer plugin version of pk widgets to > > > > > integrate them with CLAM audio application prototyping framework.= The > > > > > framework allows you to visually build audio applications by > > > > > prototyping the audio core with a patch tool and the interface wi= th > > > > > Qt Designer. > > > > > > > > > > I just ported some of the pkwidgets: a generic button and a gener= ic > > > > > slider. Both offer properties to base pixmap from the designer > > > > > interface. [2] They really look nice!! > > > > > > > > > > I am open to any collaboration, to split the widgets from CLAM as= an > > > > > independent library or check the new PyQt4 method to build plugin= s in > > > > > python (published today!). I know we also share some interests on > > > > > VST/Qt integration so drop us a line. > > > > > > > > > > > > > > > -- > > > > > David Garc=EDa Garz=F3n > > > > > (Work) dgarcia at iua dot upf anotherdot es > > > > > (Home) vokimon at telefonica adot net > > > > > http://www.iua.upf.edu/~dgarcia > > > > > > > > > > -----------------------------------------------------------------= ---- > > > > >---- Take Surveys. Earn Cash. Influence the Future of IT > > > > > Join SourceForge.net's Techsay panel and you'll get the chance to > > > > > share your opinions on IT & business topics through brief surveys= -and > > > > > earn cash > > > > > http://www.techsay.com/default.php?page=3Djoin.php&p=3Dsourceforg= e&CID=3DDE > > > > >VDEV _______________________________________________ > > > > > pksampler-devel mailing list > > > > > pks...@li... > > > > > https://lists.sourceforge.net/lists/listinfo/pksampler-devel > > > > > > -- > > > David Garc=EDa Garz=F3n > > > (Work) dgarcia at iua dot upf anotherdot es > > > (Home) vokimon at telefonica adot net > > > http://www.iua.upf.edu/~dgarcia > > > --=20 Patrick Kidd Stinson http://www.patrickkidd.com/ http://pkaudio.sourceforge.net/ http://pksampler.sourceforge.net/ |