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I built a low-cost CAN-bus sensor for air quality/light monitoring using ESP32

http://albert-david.blogspot.com/2026/01/building-can-based-multi-sensor-node.html
1•albert007_d•27s ago•0 comments

Elon Musk's SpaceX to Combine with XAI Ahead of Mega IPO

https://www.bloomberg.com/news/articles/2026-02-02/elon-musk-s-spacex-said-to-combine-with-xai-ah...
1•toomuchtodo•1m ago•1 comments

George A. Philbrick

https://en.wikipedia.org/wiki/George_A._Philbrick
1•jacquesm•2m ago•1 comments

The surprising attention on sprites, exe.dev, and shellbox

https://lalitm.com/trying-sprites-exedev-shellbox/
1•gmays•3m ago•0 comments

Ask HN: How do you give AI agents access without over-permissioning?

3•NBenkovich•4m ago•0 comments

Show HN: A Fast CLI for global fuzzy-search on Claude Code sessions

https://github.com/chronologos/cc-sessions
1•Chronologos•4m ago•0 comments

News publishers limit Internet Archive access due to AI scraping concerns

https://www.niemanlab.org/2026/01/news-publishers-limit-internet-archive-access-due-to-ai-scrapin...
1•danso•6m ago•0 comments

Annote: Writing Java using only annotations

https://github.com/kusoroadeolu/annote
1•PaulHoule•7m ago•0 comments

Measuring the quantum extent of a single molecule confined to a nanodroplet

https://phys.org/news/2026-01-quantum-extent-molecule-confined-nanodroplet.html
1•bookofjoe•8m ago•0 comments

Windows chief shared MS emails with Epstein regarding the Surface RT disaster

https://www.windowscentral.com/microsoft/former-windows-boss-shared-confidential-microsoft-emails...
2•conradfr•8m ago•0 comments

An Ode to Independence (2010)

https://www.federalreserve.gov/newsevents/speech/warsh20100326a.htm
1•mooreds•9m ago•0 comments

Let the Barbarians In: How AI Can Accelerate Systems Performance Research

https://www.sigops.org/2026/let-the-barbarians-in-how-ai-can-accelerate-systems-performance-resea...
1•matt_d•10m ago•0 comments

Show HN: PoopyFeed – Self-hosted baby tracking for feedings, diapers, and naps

https://github.com/DavidMiserak/poopyfeed
1•DavidMiserak•12m ago•0 comments

Semantic Operators: Run LLM Queries Directly in SQL

https://tacnode.io/post/semantic-operators-llm-sql
1•alexkimball•13m ago•0 comments

What did the groundhog see? Punxsutawney Phil's winter prediction is in

https://www.cnn.com/2026/02/02/weather/groundhog-day-shadow-winter-spring-climate
1•Tomte•13m ago•0 comments

Philosophical Debate Chamber App by Satya Nadella

https://github.com/saztd/debatechamber
1•jukkan•14m ago•0 comments

Anthropic partners with Allen Institute and HHMI for life sciences research

https://www.anthropic.com/news/anthropic-partners-with-allen-institute-and-howard-hughes-medical-...
2•markkitti•15m ago•0 comments

Being "Just a Developer" Isn't Enough Anymore

https://saasykit.com/blog/being-just-a-developer-isnt-enough-anymore
12•boothemoo•16m ago•2 comments

Firefox is adding a switch to turn AI features off

https://www.theverge.com/news/872489/mozilla-firefox-ai-features-off-button
1•quadrige•17m ago•0 comments

DHS Face-Scanning App Pulls from 1.2B‑Image Database

https://www.bloomberg.com/news/articles/2026-02-02/dhs-face-scanning-app-pulls-from-1-2-billion-i...
4•drkrab•17m ago•0 comments

March for Billionaires

https://marchforbillionaires.org/
1•etc-hosts•18m ago•1 comments

The Day Steve Jobs Introed the Mac to Andy Warhol,Keith Haring and Kenny Scharf

https://www.bygonely.com/steve-jobs-introduced-macintosh/
1•oldnetguy•19m ago•0 comments

OpenClaw detect and telemetry open source

https://github.com/knostic/openclaw-telemetry
2•ddiinn•20m ago•1 comments

Mattermost say they will not clarify what license the project is under

https://github.com/mattermost/mattermost/issues/8886
31•MallocVoidstar•21m ago•7 comments

HamFist – Build a Multi-Channel Morse/CW Decoder with the Pi Pico [video]

https://www.youtube.com/watch?v=rBRf3QOt4wc
1•ajot•21m ago•0 comments

Show HN: I vibe-coded my own productivity system

1•easylife_ai•22m ago•0 comments

World Models for Consistent AI Filmmaking

https://getartcraft.com/news/world-models-for-film
1•echelon•22m ago•0 comments

Ownership of open source flashcard app Anki transferred to for-profit AnkiHub

https://forums.ankiweb.net/t/ankis-growing-up/68610
2•trms•22m ago•0 comments

Opinionated Read: How AI Impacts Skill Formation

https://www.sicpers.info/2026/02/opinionated-read-how-ai-impacts-skill-formation/
2•mpweiher•23m ago•0 comments

Breaking architecture barriers: Running x86 games on ARM [video]

https://fosdem.org/2026/schedule/event/3ZRNDY-fex/
1•wicket•25m ago•0 comments
Open in hackernews

The Emacs Widget Toolkit

https://appetrosyan.github.io/posts/emacs-widget.html
48•signa11•8mo ago

Comments

spit2wind•8mo ago
There's also the Emacs Widget Library[1] (which I hoped this posted would be about). It's a plain text widget library that's quite powerful. Unfortunately (and surprisingly for Emacs), the documentation for it could use some love.

My understanding of the Widget Library is that it attaches various keywords and plists to a symbol which is considered the "widget". The library otherwise consists of functions that expect certain keywords on the "widget" symbol in order to perform actions or to be drawn on the screen.

The challenge is, the documentation doesn't clearly lay out what the keyword API is. This makes it hard to compose widgets in ways beyond what's shown in the docs.

[1] https://www.gnu.org/software/emacs/manual/html_mono/widget.h...

appetrosyan•8mo ago
The idea is that we extend that and give it direct access to SDL. Such that we can e.g. run a shader in the buffer background, or allow you to have floating windows (frames) interacting with each other.

I am very aware of the advantages conferred by TUI and I seek to expand those to the GUI; not dumb-down to the level of modern GUI toolkits (that to be fair are dealing with a completely different problem). Hopefully, this can lead to some ideas being easier to implement from within Emacs.

_mlbt•8mo ago
Somewhat off topic, but I love all the references to Led Zeppelin’s incredible song, Stairway to Heaven.
gudzpoz•8mo ago
Personally, and contrary to the article, I do prefer Emacs's plain text widgets over more "GUI-like" ones. Plain text widgets minimize the differences between TUI and GUI Emacs and also inherently offer text selection, searching, copying, and pasting, which nicely integrates with Emacs. I mean, not many GUI frameworks let you place a cursor within a button and select its text, do they? I believe this is a unique advantage of text-based widgets: while other GUI applications require a dedicated mechanism for searching through their settings, text-based widgets allow you to use any text-searching packages to perform these actions.

Reading through the article, the author seems to be hoping for a pure GUI approach with Emacs-like navigation mechanisms, but I am not convinced that this can be as flexible as text-based widgets. However, for packages used exclusively within a GUI environment (like el-easydraw [1], which relies quite heavily on SVG-based widgets), it would be nice to have a dedicated GUI widget library.

(There was a discussion on Reddit about this a week ago [2], and I saw some comments defending GTK and PGTK that might be worth reading.)

[1] https://github.com/misohena/el-easydraw/

[2] https://www.reddit.com/r/emacs/comments/1kcgwme/the_emacs_wi...

appetrosyan•8mo ago
Author of the article.

This is what I was referring to when I talked about "rich verbs".

Many people feel that way. The idea here is not to tell you that you're wrong, but understand what you want and do it better on the GUI side. TUIs can do a lot and we should recognise their benefits. GUIs can do that too, and can sometimes do better things.

The text-based widgets done graphically do the trick. We can add stuff that can't be done in a TUI and see if they give you anything useful. If it can be done with text widgets means that it can be done in principle. GTK can't do it, and that's why I'm leaving it behind.

> (There was a discussion on Reddit about this a week ago [2], and I saw some comments defending GTK and PGTK that might be worth reading.)

The author of those comments abused their power on reddit. I will not get into the weeds, just say that I'd be happy to respond to the critique presented here in good faith.

robobro•8mo ago
Why did you delete the page?
appetrosyan•8mo ago
Didn't. I migrated to `hugo` and it trims off the `.html` at the end. The permalink is the same.
matt-attack•8mo ago
I agree and only use emacs in the console and love it. With the advent of lsp modes and real time typescript and linting it’s fantastic. But one thing I don’t like about the console is when LSP mode is giving you an in-line error on the right side of the terminal it’s wrapped and beautifully interspersed amongst your code, but it’s impossible to select multi line errors in order to paste into tools like ChatGPT. Since selecting the error, also selects your code on the left side.

Anyone have a good solution to this ?

LargoLasskhyfv•8mo ago
PSA: Use The Lucid Toolkit https://irreal.org/blog/?p=12672

https://old.reddit.com/r/emacs/comments/1hlj04t/emacs_using_...

appetrosyan•8mo ago
That's the best thing to do for the moment.
robobro•8mo ago
404

Page Not Found

Sorry, this page does not exist.

You can head back to the homepage.

appetrosyan•8mo ago
Hi. I just migrated my blog to Hugo yesterday. The correct link is:

https://appetrosyan.github.io/posts/emacs-widget/