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I don't have too much experience in GUIs and I've been looking at iced and gpui recently for a new GUI application.

iced has some nice looking apps written using it, but they all seem "laggy" on my high-end Linux box somehow. I'm wondering if this is a limitation of the immediate mode GUIs, or something related to my system, or an issue in the apps?

For example, drag-and-drops or selecting text with mouse lag behind the mouse cursor.

I'm wondering if I'm not holding it right somehow?

by ogoffart7 hours ago|

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Since others are sharing Rust GUI libraries, I’ll mention Slint [https://slint.rs] a native GUI toolkit written Rust. It has a declarative domain specific languages, editor tools, and has been stable with no breaking API changes since 2023. I'm one of the developers.

by mtndew4brkfst5 hours ago|

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Anyone considering it will need to decide for themselves how to feel about it, but I think it's important to prospective users to highlight that the current licensing model for Slint requires either GPL3-compatible licensing of your work, advertising for Slint within your own software, or paying ongoing licensing fees and/or royalties.

https://github.com/slint-ui/slint/blob/master/FAQ.md#licensi...

I only mention this because those constraints are notably more restrictive than the vast majority of the Rust crate ecosystem.

I take no particular stance on whether this is a fair or good practice or about the technical suitability of Slint beyond this concern, I just think it's a hurdle for most people so they should be made aware early and often.

by OskarS3 hours ago|

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I really like this model of ”GPL3, but commercial licenses available”. Means you can have a sustainable business without sacrificing open source. I wish it was more widespread, the prevalence of extremely permissive licenses has led to so many enormous companies using open source without giving back.

by ogoffart3 hours ago|

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We're building Slint as a business. It takes a lot of time and effort to maintain and improve it. We're not looking to support users who want to use it in proprietary software and give absolutely nothing back, not even a small credit. That doesn’t feel like too much to ask. (Even the MIT license requires including a copyright notice.)

Honestly, it’s a bit sad that for some, using libraries for free isn't enough, they also expect to do so without even mentioning the project.

by the__alchemist5 hours ago|

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I love how y'all target embedded. I love EGUI for PC applications, but will try Slint next time I'm doing an embedded device that has a display.