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Wolf Vollprecht
Attends ETH Zurich
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Wolf Vollprecht

Discussion  - 
 
I have ported the Android typing correction to DBUS and now it could potentially be used in GNOME and other linux desktops.

It's a quite powerful C++ library for western languages and can also do correction based on the context and so on.

Is there anybody willing to help me out? Anyone from GNOME interested in pursuing this work? I've already asked on the Redhat i18n mailing list but I think my mail never got accepted -- I envision this spelling correction as a replacement for the ibus hunspell input method they have.

check out the code here:
https://github.com/wolfv/dbus_type_correction
dbus_type_correction - A typo correction and word prediction borrowed from Android, made for Linux
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Mario Daniel Ruiz Saavedra's profile photoGrzegorz G.'s profile photo
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+Mario Daniel Ruiz Saavedra
IIRC Daniel has disabled the +mention feature because people were mentioning him all the time.
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Wolf Vollprecht

Discussion  - 
 
Tired of JS and HTML? Now it's possible to use GTK and Python instead. Dynamically loading GTK apps from the web. (https://github.com/wolfv/GtkOnline)

Beware, it's just a quick hack to see what's possible. But I think this has some potential, also for real apps. It requires a host application (like a webbrowser) and then downloads a .glade file. I extended the glade file format with a <style> and <script> tag that loads CSS and Python files and executes them accordingly. 

Of course, there is no sandboxing etc. so be cautious :)
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Étienne Bersac's profile photoAmir Mohammadi's profile photo
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what is the purpose of this? Does this mean that eventually we can write apps with python and gtk and people can load them from browsers?
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Wolf Vollprecht

Discussion  - 
 
I really love Open Source, but sometimes quality control would be great.

There is a bug in Yelp, the gnome help browser since something like 2009. When you search for something and close the window, CPU usage of one core will stay at 100%.

I wonder why obvious stuff like that doesn't get fixed in an application thats distributed on millions of computers.
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Tim tehgeek's profile photoBruno Cigic's profile photoGermán Poo-Caamaño's profile photoEmmanuele Bassi's profile photo
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If it were so obvious, then it would have been fixed already.
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Wolf Vollprecht

Discussion  - 
 
I never knew that gnome-terminal supports block selection with Super+Ctrl! Cool feature!
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André K.'s profile photoRobert Smol's profile photoKrzysztof Krzyżaniak (eloy)'s profile photo
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+Robert Smol but of course, "There's more than one way to do it".
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Wolf Vollprecht

Third-Party Apps  - 
 
Hi guys, if you're looking for a decent markdown editor, maybe you'd like to try UberWriter. I have started developing it again and it looks great on elementary, too :)
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Torsten Spickhofen's profile photoWolf Vollprecht's profile photoJoshua Strobl's profile photoHans BKK's profile photo
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Well it uses Pandoc on the back end, which most definitely does. Pandoc's author John MacFarlane and Github's Vicent Marti have been collaborating (along with StackExchange, Reddit and others) on the CommonMark initiative, so we should see all these variants merging sometime soon. . .
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Wolf Vollprecht

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I feel like sharing some of the progress made on UberWriter.
This is the feature I am currently in love with. Right now it's using Hunspell for automatic spell correction and it already works surprisingly well.

However, I want to go two steps further, and integrate Pressagio into UberWriter which will be able to analyze texts and predict the next words based on found patterns.

I hope to have something ready for Ubuntu 14.10!

Note that the window shadow is a bug in my Gtk version :)

#Uberwriter #Gtk
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Thorsten Panknin's profile photoWolf Vollprecht's profile photoJonathan Almeida's profile photoLaurent Oberholzer's profile photo
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Looks great!
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I have already almost replaced my synapse usage with the Gnome Shell search. But come on Gnome, how can I explain this to my friends?

90% of the search page are taken up by completely irrelevant results, and not only irrelevant to me but to 99.999% of the user.
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Edme Castle's profile photoWolf Vollprecht's profile photoMichael Catanzaro's profile photo
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It's a recent problem. We need to order the search providers better. They're alphabetical by default, and that's worked fine for years, but now that we have Characters up on top it is problematic.
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Wolf Vollprecht

Discussion  - 
 
I'm working on the next gen Markdown editor! 

Today I've created prototypes for formula editing and table editing. 
This mockery uses WebView's inside of a GTK TextView, but the result is cool -- but still needs a lot of work until it's somewhat finished.

Preview: https://vimeo.com/129905487
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Jesse Brandao's profile photoMattias Bengtsson's profile photoAjinkya Dahale's profile photoWolf Vollprecht's profile photo
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The HeaderBar is placed in a GtkRevealer, and then I needed to connect to the 'draw' signal to keep painting behind the faded out HeaderBar (here is the relevant code: https://github.com/wolfv/uberwriter/blob/master/uberwriter/UberwriterWindow.py#L934)
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Wolf Vollprecht

Discussion  - 
 
I just found two cool QML packages from Ableton:

https://github.com/AbletonAG/aqt-stylesheets AQT stylesheets lets you add CSS files to your app to style the looks with CSS! 

https://github.com/AbletonAG/aqt-cassowary AQT cassowary gives you the power of a cassowary solver. You can just set constraints for sizes (ie. place it in the center of that box, or let it grow, but not bigger than 200px, have 8 px margin etc) and the cassowary solver will figure out the perfect sizes for all your elements on any screen size.

What do you think? Anyone ever used any of these packages?
aqt-stylesheets - Apply CSS style sheets to QML applications
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Wolf Vollprecht

Discussion  - 
 
I'm working on getting blurred backgrounds in gnome shell ... currently it's at a super-early super-experimental stage. If anyone is around with good knowledge of GLSL shaders and can help me out writing a shader for some fast blurring, that'd be cool! :)

The clutter blur-effect box-blur shader is quite limited (e.g. no blur radius setting).

- Wolf
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Emmanuele Bassi's profile photoWolf Vollprecht's profile photo
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Well, I am making some slow progress ... I've got a variable radius multi-pass box blur thats still very slow but at least produces some results. For the future I guess this approach would be most promising: http://web.archive.org/web/20030801220134/http://www.acm.uiuc.edu/siggraph/workshops/wjarosz_convolution_2001.pdf

Maybe combined with down- and upscaling the texture to reduce the amount of pixels?
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Wolf Vollprecht

Discussion  - 
 
I am keeping a list of features that I would like to add to my favorite desktop environment, Gnome. Thought I'd share!

Big thumbnails for Synapse: definitly the best launcher ever. Should be fairly "easy" to do. Maybe it could share some sort of preview-wiget code with the sushi-previewer.
Sushi previewer Works great and for all kinds of media which is awesome, but the loading time is too slow for a "quick" preview. Running it as a daemon should make it faster, I believe. The second missing feature I have already begun to implement is keyboard navigation, but unfortunately I haven't had the time to finish it.
Blurred window backgrounds: Every now and then I am thinking of building a prototype for this, just because I want to emulate the new (or old) style of Mac OS X and/or windows. I think it shouldn't be that hard, but I am still unsure where to start. Maybe it should be part of mutter? I don't really know.
Global automatic mistype prevention: feature found in all modern software keyboards should make an appearance in the Gnome environment, too. I am, in fact, working on a more-or-less prototype solution for my own app, UberWriter.
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Wolf Vollprecht

Discussion  - 
 
Hi all, i have one USC app (uberwriter). 

From 12.10 to 13.04 there was an automatic update. But from 13.04 to 13.10 not. Is this a temporary issue (I noticed steam isn't available as well) or do I have to reupload? I have quite some angry users! And you didn't notify me or anything, so I am quite disappointed! +Michael Hall +Jorge Castro do you know anything about this?
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Wolf Vollprecht's profile photoMichael Hall's profile photoDavid Morley's profile photo
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+Wolf Vollprecht Hopefully all will be available by the end of the week or early next. 
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Employment
  • Webinator
Education
  • ETH Zurich
    Mechanical Engineering, 2010 - present
  • Kaiser-Wilhelm- und Ratsgymnasium Hannover
    Gymnasium
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