Webdialogs for SketchUp ......RIP!
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Sometimes I want a method to wait until a webdialog is closed to give a return value. But all tries so far have frozen SketchUp and then also the webdialog. (Example usage: unit tests or API methods that don't work with async Proc callbacks)
WebDialogs are more cross-platform and scale better than SketchUp's own antique UI. Text fits on buttons. Following best practices makes them easily work with any dpi.
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@aerilius said:
Sometimes I want a method to wait until a webdialog is closed to give a return value. But all tries so far have frozen SketchUp and then also the webdialog. (Example usage: unit tests or API methods that don't work with async Proc callbacks)
Can you not just set a semaphore in the closure?
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Do you have an example code snippet? When I search for a ruby semaphore, I find threads etc.
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actually, I don't think you even need atomic structures like semaphores.
All I'm saying is that in your *on_close()*or add_action_callback() methods, just set a flag.
So your (pseudo-) code is:
dlg.show
<wait until your flag has been set by the dialog callbacks>
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I will experiment again, but as far as I remember the single thread of SketchUp's Ruby freezes so that either the flag can not be set (because it is busy waiting) or whatever I do to wait never gets time to notice the changed flag.
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@thomthom said:
hmm... I can see times where async can be useful, but more often I want synchronous communication.
How often does it actually need to be synchronous though? That is, the code must be executed before the next line. Also, how often can that not be turned into a async form (callbacks, promises, ...)?
My main point is that predictability and expectations are important in API design. Also, the current implementation (
window.location = ...) can have side effects - for example it will block/cancel any current requests, such as redirects or xhrs. -
@unknownuser said:
Also, the current implementation (
window.location = ...) can have side effects - for example it will block/cancel any current requests, such as redirects or xhrs.Oh - haven't noticed that yet! ...that should be in the Lost Manual... that's important stuff.
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I vote for python. I work with it in cinema4d; ironpython - revit, robur(road software). And small [highlight=#ff4040:1yirh56j]c[/highlight:1yirh56j][highlight=#4000ff:1yirh56j]ythoning[/highlight:1yirh56j]
and it has 64bit framework or anyCPU type...if current sku team can not port ruby to x64.
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I forgive Dan, he was probably off his meds again, although you can always count on him to give you his undivided attention when one is looking for a problem that needs solving.
I'm not talking about dumping Ruby.You can see the Visual Programming, in the attached pic, the underlying Scripting is what makes the 3d surface appear, but its not something the user has to concern him or herself about. If you want to experiment you can replace a DIV module with a MULTI module and see the 3d result instantly, or replace TAN with a COS module, etc. etc.
In addition, Download a free copy of Houdini from http://www.sidefx.com/index.php
and you will see the same principles as grasshopper. Houdini calls it Procedural modeling, as opposed to Visual programming. The process is the same.other examples of what grasshopper can do generating experimental Architecture. http://formularch.blogspot.ca/
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Well, yea. Procedural modelling is a mighty interesting topic. However, there is nothing preventing that being done with the current Ruby API and WebDialog we already have.
Procedural modelling can be implemented in whatever underlying scripting or programming language is available.
I'm all for procedural modelling and I'm mighty interested in whatever project jolran is plotting.
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Yet another Grasshopper framegrab...
One thing not discussed here regarding visual-flow-mombo-jumbo-programming is the complexity behind evaluating the chain of hierarchy, and when or what to update as soon as something changes in the gui.
I'm not sure Python would have any advantages over Ruby solving that computation..
But I guess that discussion is OT.
The GUI part is all very possible with webdialogs. In fact it's already happening
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What I've produced after months of work you or some of the others JS-nerds around here(you know who you are!) could probably have duddled together in a weekend or less, Thomthom
Although the connector framework took some time to get acquainted with..
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@tomot said:
I forgive Dan, he was probably off his meds again, ...
Or ON them. Sinus cold this past week!
@tomot said:
I'm not talking about dumping Ruby.
It's not feasible to have the app engine making two callbacks into 2 different scripting sub-processes.
IN truth... I am so weary of waiting for the Ruby API to be fixed, that I no longer care what language it is.
As long as it is fixed and kept updated.
If it's not Ruby, it is more likely to be Javascript IMHO.
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@unknownuser said:
Javascript IMHO.
Especially since such a partly implemented API already exists, and even a first plugin.
Even if JS is not a beauty of a language, it's benefits are the wide-spread and the billions that have been invested into its speed optimization (although Python/Ruby&Co. have also benefited from such developments).For the original topic of this thread, neither webdialogs nor SketchUp's choice of scripting language matter. Node-based interfaces (previously mentioned as visual programming) are neither a replacement nor conflicting with webdialogs.
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Interesting, why does ex-Asgvis use port of Ruby to Python and pyQt dialogs in vray for sketchup?
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They use such a bridge because they make V-Ray for SketchUp and V-Ray for Rhino share the same code-base so they can be developed in parallel.
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Interesting discussion. I work on OpenStudio which is a C++ SDK that includes a SketchUp plugin that uses ruby. We use tool called SWIG http://www.swig.org that gives us bindings to Ruby, Python, C# and potentially many other languages. Ruby is our most supported binding, but users are starting to use other bindings as well.
David
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Dave,
Marshalling parameters and providing some glue to call a C function isn't the problem - though I'm sure SWIG does a great job.
The 'heavy lifting' is around exposing underlying C++ entities as first class objects in your chosen host language.
Adam
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I do not know SU three month ago and never use ruby for programming. I would like to share my idea of three month usage.
- Webdialog is great idea for ui and HTML5 will extend this advantage. The disadvantage is that the UI provided by SU is not so good.
- The shortage of SU is that the api functions are not powerful, i expect more api to operate the SU and the support for ruby is not up to date. I'd like to easy use of new version ruby api in SU.
- SU should consider to support the usage in ipad and andriod base system.
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