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Making a GTK application in Haskell, part 1

78 points Vosporos 3 hours ago 10 comments

seba_dos1 2 hours ago | parent

Replace `backdrop-filter` on `.backdrop::after` with `filter` on `.backdrop picture` for a free scrolling performance boost.

nh2 1 hour ago | parent

Indeed the scrolling performance is awful, makes reading it less enjoyable, especially when the topic is GUIs!

birchcove 1 hour ago | parent

i've been writing Haskell GUIs for a few years and mostly stick to react-banana or reflex because wiring up gtk-gi signals manually gets messy fast. The Elm architecture pattern here looks clean on paper but I'm curious how you handle async events from the widget tree without ending up in callback hell. Did you end up wrapping all GI callbacks in a channel that feeds into your update loop?

drnick1 1 hour ago | parent

Just keep in mind that some people like me avoid Haskell and the huge package mess it causes on Linux. Pandoc is infamous for that. Just stick to C++.

Vosporos 59 minutes ago | parent

That is entirely your distribution's fault. ArchLinux has a user-hostile packaging approach which I do not experience in Fedora.

Ambolia 45 minutes ago | parent

I completely avoid any haskell package in Arch and just build it with Stack, it's usually simple.

klez 28 minutes ago | parent

What does Arch do in particular to cause a mess? It's been a hot minute since I last used it and surely didn't use pandoc back then.

beanjuiceII 58 minutes ago | parent

bro takes 2 years to make a todo list

pluc 8 minutes ago | parent

> import GI.Awd qualified as Adw

please tell me that's a typo