sciter-js-sdk
sciter
sciter-js-sdk | sciter | |
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12 | 85 | |
- | 2,562 | |
- | 0.0% | |
- | 0.0 | |
- | 12 months ago | |
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sciter-js-sdk
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AvaloniaUI: Create Multi-Platform Apps with .NET
- https://gitlab.com/sciter-engine/sciter-js-sdk/-/tree/main/b... - Skia backend.
You can load in usciter this document:
https://gitlab.com/sciter-engine/sciter-js-sdk/-/blob/main/s...
It shows pretty large colorized texts so you can estimate how Direct2D and Skia handle GPU accelerated text rendering. For these two binaries the difference is only in graphics used - Direct2D and Skia.
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Show HN: DataSheetGrid, an Airtable-like React component
Agree about virtualization in principle. Not that nightmarish though.
My Sciter supports built-in virtualization out of the box. But I shall admit that this is second approach to the problem.
Currently Sciter's behavior:virtual-list supports as fixed-height items (that's easy) as variable-height items like messages [1] in chats.
API is relatively simple [2]: single event "contentrequired" that virtual-list sends to JS. In response JS shall either append or prepend requested number of DOM elements to the container (a.k.a. sliding window scroller). Example, grid showing 20000 records: https://gitlab.com/sciter-engine/sciter-js-sdk/-/blob/main/s...
[1] https://sciter.com/behaviorvirtual-list-for-sciter-and-scite...
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I've built a multi-session browser
Thank you for your explanation. As for Electron alternatives, Sciter is much more lightweight, supports Vue and includes a native webview. Anyway, good luck with your project!
- JavaScript import maps are now supported cross-browser
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XUL Layout has been removed from Firefox
> we have a number of other libs to integrate, some of which add their own rendering (which requires access to e.g. a Vulkan context, not merely HTML/CSS or other high-level UI elements)…
I have a customer that is doing something close: it is a 3D CAD alike app where they have Vulkan rendering 3D scene with Sciter UI on top of that - rendering chrome UI around that 3D and on the same Vulkan surface.
Sciter API supports rendering in windowless mode (https://gitlab.com/sciter-engine/sciter-js-sdk/-/tree/main/d...) where app supplies OpenGL, Vulkan or DirectX context to render on.
> Sorry, but I'll have to pass.
Understood. Sometimes people need not just to get job done but also "OS" label on it.
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Flutter Desktop Isn't There Yet
Attempt to combine all these definition in single language is doomed to fail. If in doubts then look at WPF.
3. Notes on language-behind-UI...
If to consider #2 then such simple thing as JavaScript language and VM are quite adequate to the task. Language-behind-UI do not need to be that performant, but it must be flexible. I may express un-popular opinion but language-behind-UI should be typeless.
Simply put: don't do ray tracing in language-behind-UI. But! Such a language shall have simple mechanism of adding high performant functions. There are good languages that are specifically designed for performance: C, C++, D, Rust, Zig, WebAssembly, etc. You just need convenient mechanism to expose those functions to runtime of language-behind-UI. Like here: https://gitlab.com/sciter-engine/sciter-js-sdk/-/blob/main/d...
You need JITs, compilation, fat VMs and runtimes, strong types only if your language is the only mean to define algorithms in whole application. But expect that your code will always be sub-optimal - neither enough performant nor super flexible.
4. Conclusion
Flutter should be something Sciter-alike :) - use [X]HTML/JSX, CSS and some already well known language-behind-UI. JavaScript is the natural choice. If needed you should be able to use native UI components - like in Sciter you can use existing HWND based and windowless native components inside your UI. It may not follow Web UI model on 100% (that's impossible) but to be conceptually close so developers can reuse their skills. Web UI model is conceptually close to Mobile one - all application UI is constrained inside single window.
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What is the fastest, lightest weight GUI framework?
I'm surprised no one has mentioned it but I've been using SciterJS (website) for my most recent project. I wouldn't ever claim it's the best UI framework out there, but it's lightweight and I've never felt so productive - I've rapidly developed my UI and integrated it with my native C++ far faster than I thought possible. I will note that it is far, far cheaper and has so many more features than Ultralight does.
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The miracle of Smalltalk’s become: (2009)
Only when code tries to access props/methods of the loaded object it gets fetched from disk, its __proto__ is set to particular class, etc.
More on this architecture: https://gitlab.com/sciter-engine/sciter-js-sdk/-/blob/main/d...
Patched QuickJS with storage support is here: https://gitlab.com/c-smile/quickjspp - it uses DyBase of Konstantin Knizhnik as a storage.
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Localizing a Qt App; Or Anything Else For That Matter
More on i18n support in Sciter.
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Sciter.Android, preview available
Sciter got native (built-in) Signal implementation made after PReact's Signals;
sciter
- Show HN: Open Source TailwindCSS UI Components
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Show HN: Dropflow, a CSS layout engine for node or <canvas>
> wondering if css and svg could be used as abstraction over graphics and UI libraries
There's another project called Sciter that uses CSS to target native graphics libraries: https://sciter.com
> I wonder how hard it was to implement css. I've heard it can be pretty complex.
It was hard, but the biggest barrier is the obscurity of the knowledge.
Text layout is the hardest, because working with glyphs and iterating them in reverse for RTL is brain-breaking. And line wrapping gets really complicated. It's also the most obscure because nobody has written down everything you need to know in one place. After I finished block layout early on, I had to stop for a couple of years (only working a few hours a week though) and learn all of the ins, outs, dos, and don'ts around shaping and itemizing text. A lot of that I learned by reading Pango's [1] source code, and a lot I pieced together from Google searches.
But other than that, the W3C specifications cover almost everything. The CSS2 standard [2] is one of the most beautiful things I've ever read. It's internally consistent, concise, and obviously the result of years of deliberation, trial and error. (CSS3 is great, but CSS2 is the bedrock for everything).
[1] https://gitlab.gnome.org/GNOME/pango/
- Ask HN: Fastest cross-platform GUI stack/strategy
- Bringing Back Horizontal Rules in HTML Select Elements
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Immediate Mode GUI Programming
otherwise, if we have only retained mode as in browsers, we will need to modify the DOM heavily and create temporary elements for handles.
[1] https://sciter.com
- This year in Servo: over 1000 pull requests and beyond
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Rusty revenant Servo returns to render once more
I've still never used it but I've long been curious about Sciter:
https://sciter.com
- Ode to the M1
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So you want to write a GUI framework (2021)
These bullet points are exactly what I did in Sciter (https://sciter.com)
- Windowing
-- Tabs
-- Menus
-- Painting
-- Animation
-- Text
-The compositor
-Handling input
-- Pointer input
-- Keyboard input
- Accessibility
- Internationalization and localization
- Cross-platform APIs
- The web view
- Native look and feel
On top of that DOM and CSS implementations to achieve declarative UI. And JS as a languuage behind UI - declarative in some sense way of defining UI behavior.
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Servo, the parallel browser engine written in Rust
I'm not sure if it can support all the libraries but yes it can be used to make desktop apps. Theres also Sciter.
https://sciter.com/
What are some alternatives?
Ultralight - Lightweight, high-performance HTML renderer for game and app developers.
webview - Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).
capy - 💻Build one codebase and get native UI on Windows, Linux and Web
qt - Qt binding for Go (Golang) with support for Windows / macOS / Linux / FreeBSD / Android / iOS / Sailfish OS / Raspberry Pi / AsteroidOS / Ubuntu Touch / JavaScript / WebAssembly
game-scripter-js - Write games in JavaScript, compile to tiny executable.
tauri - Build smaller, faster, and more secure desktop applications with a web frontend.
compression-dictionary-transport
flexboard - React component library for re-sizable sidebars
Flutter - Flutter makes it easy and fast to build beautiful apps for mobile and beyond
RmlUi - RmlUi - The HTML/CSS User Interface library evolved
quickjspp
NanoGUI - Minimalistic GUI library for OpenGL