Re: [racket-users] Re: Application Templates!

2020-08-25 Thread Andre Garzia
> A recent contribution is a new command extension to raco:
> https://github.com/nixin72/from-template
> $ raco from-template  
> Philip described it 'like create-react-app, but for all sorts of Racket
> templates'
>  (It is currently only linux so it would be nice if a windows user could
> help)
>

I just sent a PR adding windows support to that command extension:

https://github.com/nixin72/from-template/pull/1

Best
A

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Re: [racket-users] Can OpenSSL be upgraded for the next Racket release?

2020-08-20 Thread Andre Garzia
Thanks a lot for the quick turnaround, Matthew.

I want to get more involved with Racket maintaining, specially for Windows
platform, and before you replied here, I was trying to do this update
myself. I saw the packages:

https://pkgs.racket-lang.org/package/racket-win32-i386
https://pkgs.racket-lang.org/package/racket-win32-x86_64

But I couldn't find a repository or instructions on how to build them.
Could you point me in to some instructions? In the future, instead of
asking for upgrades, I'd like to maybe send a PR or something.

Best
Andre



On Wed, 19 Aug 2020 at 00:42, Matthew Flatt  wrote:

> Yes --- done.
>
> Matthew
>
> At Mon, 17 Aug 2020 17:46:49 +0100, Andre Garzia wrote:
> > Hi Folks,
> >
> > The OpenSSL DLLs being shipped with Racket (in version 7.7 at least) is
> > v1.1.0.8 which has already been EOLd. Version 1.1.1 is the stable
> version.
> > Version 1.1.1 is LTS and supported until 2023. In theory 1.1.1 is a
> drop-in
> > replacement for 1.1.0.8 since it is ABI and binary compatible with the
> > older version. Having that version available would allow us to benefit
> from
> > TLSv1.3:
> >
> > https://wiki.openssl.org/index.php/TLS1.3
> >
> > And also benefit from many other bug fixes.
> >
> > Best
> > Andre
> >
> >
> >
> > --
> > https://www.andregarzia.com <http://www.andregarzia.com>
> > Want to support me? Buy me a coffee at https://ko-fi.com/andregarzia
>


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[racket-users] Help creating a distributable version of my app

2020-08-17 Thread Andre Garzia
Good afternoon friends,

I'm trying to build a distributable version of my little Gemini browser:

  https://git.sr.ht/~soapdog/fafi-browser

The source folder contains a `main.rkt` which has `(module+ main ...)` in
it. I thought that selecting that file and using the menu to create a
distribution should work. I also tried to come up with a build script based
on Alex build script for ActivityLog2:

  https://git.sr.ht/~soapdog/fafi-browser/tree/maybe-build/build.rkt

What is happening is that everything appears to build correctly on first
glance but nothing happens when I try running the `Fafi.exe` file. If I try
running it like `Fafi.exe -v` I get a `Racket v7.7` banner which makes me
think that my main module is not executing. This happens if I use my build
script or if I use the menu in DrRacket.

Can someone share some pointers or feedback about where to look to fix
this? I greatly appreciate any feedback.

Kind regards
A.

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[racket-users] Can OpenSSL be upgraded for the next Racket release?

2020-08-17 Thread Andre Garzia
Hi Folks,

The OpenSSL DLLs being shipped with Racket (in version 7.7 at least) is
v1.1.0.8 which has already been EOLd. Version 1.1.1 is the stable version.
Version 1.1.1 is LTS and supported until 2023. In theory 1.1.1 is a drop-in
replacement for 1.1.0.8 since it is ABI and binary compatible with the
older version. Having that version available would allow us to benefit from
TLSv1.3:

https://wiki.openssl.org/index.php/TLS1.3

And also benefit from many other bug fixes.

Best
Andre



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[racket-users] [ANN] Fafi, a browser for Gemini protocol

2020-08-13 Thread Andre Garzia
 Hi Folks,

I have an interesting project to share. I have built a simple Graphical
Gemini client using Racket. Gemini is a new protocol in the "small
internet" movement, it is easy and fun to implement. You can think of
Gemini as more than Gopher but less than the Web. Learn more about it at:

  https://proxy.vulpes.one/gemini/gemini.circumlunar.space

The most interesting parts of it are the fact that it supports tabs, which
is a feature I don't think is yet common among the clients, and that it
converts gemtext into a cute s-expression based representation.

At the moment it doesn't pass all the 51 tests in the client torture list,
but IIRC it passes over 40 of them. Anyway, I need to fix redirect loops
and I can't support some TLS stuff because Racket is shipping TLS 1.2.

So far I have written two blog posts about it:

  https://andregarzia.com/2020/05/toying-with-gemini.html

https://andregarzia.com/2020/08/fafi-browser-a-racket-based-gemini-client.html

The source code and issue tracker are in sourcehut:

  https://git.sr.ht/~soapdog/fafi-browser
  https://todo.sr.ht/~soapdog/racket-gemini

I think Racket GUI is an underrated gem (I'm new to it but learning) and
that creating desktop apps with Racket should be more popular.


Cheers
A.

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Re: [racket-users] Re: Any news on ARM64?

2020-06-24 Thread Andre Garzia
Thanks Paulo,

If you need someone to test stuff on real aarch64 hardware just ping me. I
have both Windows 10 and Ubuntu here (under WSL2)

Best
Andre

On Tue, 23 Jun 2020 at 07:57, Paulo Matos  wrote:

> Hi Andre,
>
> Work on this is ongoing - joint work with Jesse Alama. We have two ports
> being implemented in parallel: RISCV64 and AArch64. The RV64 is certainly
> more complete and I can almost bootstrap.
> I am slowly finishing other items of work that was doing in parallel to
> focus solely on this so I hope that we have a must quicker progress in the
> second half of the year.
>
> I will post updates once I have more.
>
> Paulo Matos
>
> On Thursday, 18 June 2020 at 20:57:40 UTC+2 an...@andregarzia.com wrote:
>
>> Some weeks ago, there was a post here about porting Chez to ARM64 and
>> thus enabling Racket CS to work on those platforms. I haven't heard
>> anything about it after that, doesn anyone here have any news? I use an
>> ARM64 machine as my daily driver (with Windows 10) and am very curious
>> about progress.
>>
>> Best
>> Andre
>>
>> --
>> http://www.andregarzia.com
>>
>> --
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> .
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[racket-users] Any news on ARM64?

2020-06-18 Thread Andre Garzia
Some weeks ago, there was a post here about porting Chez to ARM64 and thus
enabling Racket CS to work on those platforms. I haven't heard anything
about it after that, doesn anyone here have any news? I use an ARM64
machine as my daily driver (with Windows 10) and am very curious about
progress.

Best
Andre

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Re: [racket-users] Re: GUI executable creating an annoying command line window

2020-05-31 Thread Andre Garzia
I noticed a similar behavior if I left any dangling "display" or "write" in
the code, a terminal window would open with those messages in it. Is this
what might be happening to you?

On Tue, 26 May 2020 at 12:09, Philip Benade  wrote:

> Hi Alex
>
> I managed to get it working. Updating Dr.Racket to 7.7 did the trick. I
> should have thought of it sooner, but I became so wrapped up in looking for
> the problem in my code I didn't think of it.
>
> Thank you for your help.
>
> Regards
> Philip
>
> On Tuesday, 26 May 2020 11:50:58 UTC+2, Alex Harsanyi wrote:
>>
>>
>> I cannot reproduce this.  If I create the executable from the command
>> line using "raco exe --gui work-timer.rkt", or from DrRacket specifying
>> GRacket as the "base", the console window does not show up.
>>
>> If I create the executable using "raco exe work-timer.rkt" or by
>> specifying "Racket" as the base in DrRacket, the console window shows up,
>> but this is expected.
>>
>> I am using Racket 7.7 (BC, not the Chez version).
>>
>> Alex.
>>
>> On Tuesday, May 26, 2020 at 5:00:01 PM UTC+8, Philip Benade wrote:
>>>
>>> Hi All
>>>
>>> I have been trying to create a simple GUI with the racket/gui library.
>>> For the most part it works but alongside my GUI it also creates a command
>>> line window. You can see a screenshot of this in the attached picture. I
>>> found this discussion when I searched for a solution:
>>> https://groups.google.com/forum/#!topic/racket-users/QmvqWtm1x28 In
>>> that case it was happening because there were things that did not return
>>> void. In my case however it is not printing anything, there isn't even any
>>> white space.
>>>
>>> I am using the "Create Executable" option from the "Racket" heading in
>>> Dr.Racket's menu. I set the Type to be "Distribution (to install on other
>>> machines)" and the Base to "GRacket" and keep the "Embed DLLs in the
>>> executable" check box checked. Is there some setting or something I can
>>> change to make this window to go away?
>>>
>>> I have attached my program's .rtk file in case anyone needs it to see
>>> what I'm doing wrong.
>>>
>>> Regards
>>> Philip
>>>
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Re: [racket-users] Quickscript of the day: Extract to function

2020-05-07 Thread Andre Garzia
that is really cool! thanks for sharing!

On Thu, 7 May 2020 at 10:33, Laurent  wrote:

> Have you ever wanted to extract a block of code out of its context and
> wrap it in a function?
>
> Have you ever *not* done it because of the cognitive load(*) of figuring
> out the function arguments and the return values?
>
> Well, now it's as easy as Ctrl-Shift-X and Ctrl-Shift-Y. Using
> check-syntax, the extract-function and put-function scripts figure out what
> goes in and out for you.
>
> Video: https://www.youtube.com/watch?v=XinMxDLZ7Zw
> `raco pkg install quickscript-extra` to install, or
> `raco pkg update quickscript-extra` if it's already installed.
>
> (*) a.k.a. laziness ;)
>
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> .
>


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[racket-users] Porting to Windows on Arm

2020-01-04 Thread Andre Garzia
I’ve been trying to compile Racket to Windows on Arm for a while but I don’t really have the experience and skills to do it. I think that I might be close to compile minimal racket but I have no idea on how to move to a full racket build because from what I’ve seen, the build system relies on downloading prebuilts which won’t be available for ARM64 Windows. There are already some machines running Windows on ARM64 on the market. The most popular is of course the Surface Pro X but with the recent announcements of Qualcomm Snapdragon 8c and 7c were probably going to see a lot of machines shipping in 2020. It would be great if we could run Racket natively in them. At the moment I can run the x86 32bits version because Windows has native built-in emulation for running those apps on ARM64 but it is too slow. The way to build native Window on ARM binaries if through cross-compilation using Visual Studio. Any Visual Studio 2017 and 2019 can (with the necessary components installed) cross compile apps to ARM64. So in theory “it should be easy”. I’ve been trying to build non-cs Racket as as far as I know Chez doesn’t have an ARM64 backend for Windows. Is someone else interested into it? Can someone point me to more resources to help me see this through? Andre  Sent from Mail for Windows 10 



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[racket-users] What is the best way to display styled text in a Racket GUI app?

2019-11-12 Thread Andre Garzia

Hi Friends,

Does anyone here know what is the best way to show styled text in a 
Racket GUI application?


I've got some markdown that I wish to display but I can't find how to 
display any form of styled text, let alone markdown.


I've started a little project to implement webviews but I think they are 
overkill for this project and to be honest, I couldn't figure out how to 
display a webview on windows.


If anyone could point me into some module or direction, I'd really 
appreciate it.


Best

Andre

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Re: [racket-users] Is there a webview for Racket?

2019-09-20 Thread Andre Garzia

Neil,

Thanks a lot for the detailed response. I am new to Racket, FFI and 
everything else but I decided to take a shot at it today. I've managed 
to create a web-view% GUI class that can display web pages on macOS. It 
is wrapping around WKWebView which is the current way of doing things. I 
haven't programmed in Objective-C in 16 years, so I a bit over my head here.


I've uploaded it to:

  https://github.com/soapdog/racket-web-view

I don't yet feel that it is ready for the package catalog. I need to fix 
many things and I'd really welcome help from people who know the current 
Objective-C way of doing things. WKWebView relies a lot in properties 
and I can't find a way to deal with them. For example the "delegate" in 
the code in the repo is not working, nor is the retrieval of the current 
URL (which in Objective-C should be as simple as "webView.URL")


Anyway, it is a first step towards a real Web View for Racket GUI. It 
can already load pages and navigate, so it is not completely broken. 
This is my first FFI project and also my first Racket code after doing 
Beautiful Racket, it is all brand new to me. Sorry if I'm not idiomatic.


I'd really like feedback, advise and help with this. All programming 
ecosystems benefit from having Web Views. I hope this becomes my first 
contribution to Racket.


I also need to do Windows and Linux, but one lion at a time...

Cheers

andre

On 14/09/2019 23:39, Neil Van Dyke wrote:
Hi, Andre.  For your RSS reader, you're only displaying the RSS items 
themselves, not browsing to arbitrary other Web pages within the same 
Racket window, right?


For very plain HTML, one thing I would hesitate to use is the *very 
old* and *possibly insecure* GUI thing, but it might work for your 
purpose (be sure to sanitize any untrusted input HTML): 
https://docs.racket-lang.org/browser/index.html


You might be better off using one of the heavier text components of 
the Racket GUI library (maybe 
"https://docs.racket-lang.org/framework/Editor.html;, unless it's 
overkill?).  This isn't an HTML/CSS/JS/DOM engine, but I'd think you 
could do an RSS item or feed view in it.


Another option, and maybe often the usual way, is to use the user's 
own Web browser (or a standalone one you provide), and you only 
provide the HTTPS server.


A final option, which could be a ton of work to support 
cross-platform, but might be viable if you're targeting a single 
platform and willing to support it, is to do FFI with one of the big 
off-the-shelf Web browser engines, like WebKit (such as through 
WebKitGtk).  There's recent work on Guile bindings for something like 
that, but Racket has a lot of other stuff that Guile doesn't yet have.


Separately, for navigating from an RSS reader running as a Racket GUI 
program, to view arbitrary Web pages in the user's main Web browser, 
see: 
https://docs.racket-lang.org/browser/index.html#(mod-path._browser%2Fexternal)


(I'm pleasantly surprised that people are still interested in Web 
"syndication", despite some browsers and various commercial forces 
moving away from that, for various reasons.  If you're making a 
general-purpose RSS reader, an additional protocol to consider also 
supporting is "https://en.wikipedia.org/wiki/Atom_(Web_standard)". If 
you later want to be even more general-purpose, look at how 
"https://en.wikipedia.org/wiki/Gnus; used the power of a Lisp to 
provide a sophisticated unified view from various 
messaging/syndication/etc. formats, including from Web-scraping. In 
addition to threading features, it also had powerful scoring/ranking 
interfaces (both crafted rulesets and ad hoc). Early research in 
automated collaborative filtering (what today we know as things like 
likes/upvotes, and perhaps recommendation systems) was also done atop 
Gnus. I'd say Gnus is probably still more powerful than any UI we're 
using today to access the same or analogous kinds of data sources, and 
it works on behalf of the user.  I don't know how much Gnu is 
developed lately, but it's worth looking at for ideas of what you can 
build, even better.)




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[racket-users] Web View for Racket

2019-09-20 Thread Andre Garzia

Neil,

Thanks a lot for the detailed response. I am new to Racket, FFI and 
everything else but I decided to take a shot at it today. I've managed 
to create a web-view% GUI class that can display web pages on macOS. It 
is wrapping around WKWebView which is the current way of doing things. I 
haven't programmed in Objective-C in 16 years, so I a bit over my head 
here.


I've uploaded it to:

https://github.com/soapdog/racket-web-view

I don't yet feel that it is ready for the package catalog. I need to fix 
many things and I'd really welcome help from people who know the current 
Objective-C way of doing things. WKWebView relies a lot in properties 
and I can't find a way to deal with them. For example the "delegate" in 
the code in the repo is not working, nor is the retrieval of the current 
URL (which in Objective-C should be as simple as "webView.URL")


Anyway, it is a first step towards a real Web View for Racket GUI. It 
can already load pages and navigate, so it is not completely broken. 
This is my first FFI project and also my first Racket code after doing 
Beautiful Racket, it is all brand new to me. Sorry if I'm not idiomatic.


I'd really like feedback, advise and help with this. All programming 
ecosystems benefit from having Web Views. I hope this becomes my first 
contribution to Racket.


I also need to do Windows and Linux, but one lion at a time...

Cheers

andre

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[racket-users] Re: Is there a webview for Racket?

2019-09-17 Thread Andre Garzia
Neil, 

Thanks a lot for the detailed response. I am new to Racket, FFI and 
everything else but I decided to take a shot at it today. I've managed to 
create a web-view% GUI class that can display web pages on macOS. It is 
wrapping around WKWebView which is the current way of doing things. I 
haven't programmed in Objective-C in 16 years, so I a bit over my head 
here. 

I've uploaded it to: 

  https://github.com/soapdog/racket-web-view 

I don't yet feel that it is ready for the package catalog. I need to fix 
many things and I'd really welcome help from people who know the current 
Objective-C way of doing things. WKWebView relies a lot in properties and I 
can't find a way to deal with them. For example the "delegate" in the code 
in the repo is not working, nor is the retrieval of the current URL (which 
in Objective-C should be as simple as "webView.URL") 

Anyway, it is a first step towards a real Web View for Racket GUI. It can 
already load pages and navigate, so it is not completely broken. This is my 
first FFI project and also my first Racket code after doing Beautiful 
Racket, it is all brand new to me. Sorry if I'm not idiomatic. 

I'd really like feedback, advise and help with this. All programming 
ecosystems benefit from having Web Views. I hope this becomes my first 
contribution to Racket. 

I also need to do Windows and Linux, but one lion at a time... 

Cheers 

andre 
PS: I tried posting this message a couple times but it was not getting 
through...

I was building a little RSS feed reader here when I noticed that I don't 
> know of any webview package to be used from Racket. My search on the 
> package catalog returned nothing.
>
> Is there a webview for Racket? How should I display HTML?
>
> I'd really appreciate any help, even if just pointing me into some 
> application source code that is doing that.
>
> thanks in advance
> Andre
>
> -- 
> http://www.andregarzia.com -- All We Do Is Code.
> http://fon.nu -- minimalist url shortening service.
>

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[racket-users] Is there a webview for Racket?

2019-09-14 Thread Andre Garzia
Hi Friends,

I was building a little RSS feed reader here when I noticed that I don't
know of any webview package to be used from Racket. My search on the
package catalog returned nothing.

Is there a webview for Racket? How should I display HTML?

I'd really appreciate any help, even if just pointing me into some
application source code that is doing that.

thanks in advance
Andre

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Re: [racket-users] Re: London Racket Meet-up ?

2019-03-07 Thread Andre Garzia
Hi,

I'd love to join in the meetup :-)

Cheers

On Wed, Mar 6, 2019, 15:44 Richie Primus  wrote:

> Wed Mar  6 15:42:07 GMT 2019
>
>
> Hi Stephen,
>
>
> I'd also be interested.
>
>
> Tuesday evenings work best for me.
>
>
> --
>
> -primus
>
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[racket-users] Re: Racket good for GUI apps! :)

2018-12-30 Thread Andre Garzia
Following the topic of Racket gui apps I decided to ask a question here 
before I plunge into a rabbit hole from which I may take hours to climb 
back. I am trying to implement a type of GUI app which is usually called an 
outliner. Basically it should be a Hierarchical List like the one provided 
by:

  http://docs.racket-lang.org/mrlib/Hierarchical_List_Control.html 

but with each item being editable. I thought, maybe wrongly, that I could 
somehow build on top of that control and instead of using a "text%" use 
some kind of editor or input field for each item by altering the mixin that 
is used when you add a new item, but so far I don't see how to do it. I am 
new to Racket Gui stuff and this task is not obvious to me. Can someone 
here share a clue or two? 

Thanks a lot in advance.

Em domingo, 30 de dezembro de 2018 11:34:23 UTC, spdegabrielle escreveu:
>
> There oate other examples but I just saw this:
>
>
> https://twitter.com/id_aa_carmack/status/1079200506139103233?s=21
>
> If you like to know more about creating GUI apps in Racket? Just start 
> here: http://docs.racket-lang.org/gui/index.html
>
> S.
>
>
> -- 
> 
>

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