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Jonathan Johnson 577e97908d
Optimizing widgets at point
Given the goal of this function, I'm not sure it can get more optimal
than this even with specialized data structures like KD-trees. The
problem is that we want all widgets that are hovered, not just some, and
that makes nearest neighbor useless.

The main optimizations here are simple:

- Group up all the render data we need in a single vec to help cache.
- Precompute the rect's extents to make the contains check at most 4
  comparisons.

This had a noticable effect on the "wiggle the mouse frantically"
performance, where Gooey isn't actually repainting but is routing mouse
events.
2023-11-15 07:53:31 -08:00
.github/workflows Adding CI 2023-11-02 10:46:43 -07:00
.rustme Helpers galore 2023-11-14 09:31:56 -08:00
examples Stack with premeasured content now work 2023-11-15 07:47:23 -08:00
gooey-macros derive(LinearInterpolate) on enum 2023-11-14 20:03:30 +01:00
src Optimizing widgets at point 2023-11-15 07:53:31 -08:00
.crate-docs.md Removing centered from readme example 2023-11-14 20:41:04 -08:00
.gitignore Initial commit 2023-10-18 08:22:41 -07:00
Cargo.lock Checkbox, ButtonKind, linked/linked_string + more 2023-11-14 20:39:29 -08:00
Cargo.toml derive(LinearInterpolate) on enum 2023-11-14 20:03:30 +01:00
CODE_OF_CONDUCT.md Resize/Expand rework + basic readme 2023-11-02 14:23:36 -07:00
CONTRIBUTING.md Resize/Expand rework + basic readme 2023-11-02 14:23:36 -07:00
LICENSE-APACHE Resize/Expand rework + basic readme 2023-11-02 14:23:36 -07:00
LICENSE-MIT Resize/Expand rework + basic readme 2023-11-02 14:23:36 -07:00
README.md Removing centered from readme example 2023-11-14 20:41:04 -08:00
rustfmt.toml Initial commit 2023-10-18 08:22:41 -07:00

Gooey

Gooey is considered experimental and unsupported crate version Documentation for main branch

Gooey is an experimental Graphical User Interface (GUI) crate for the Rust programming language. It is built using Kludgine, which is powered by winit and wgpu. It is incredibly early in development, and is being developed for a game that will hopefully be developed shortly.

The Widget trait is the building block of Gooey: Every user interface element implements Widget. A full list of built-in widgets can be found in the gooey::widgets module.

Gooey uses a reactive data model. To see an example of how reactive data models work, consider this example that displays a button that increments its own label:

fn main() -> gooey::Result {
    // Create a dynamic usize.
    let count = Dynamic::new(0_isize);
    // Create a dynamic that contains `count.to_string()`
    let count_label = count.map_each(ToString::to_string);

    // Create a new button whose text is our dynamic string.
    count_label
        .into_button()
        // Set the `on_click` callback to a closure that increments the counter.
        .on_click(count.with_clone(|count| move |_| count.set(count.get() + 1)))
        // Run the application
        .run()
}

Open-source Licenses

This project, like all projects from Khonsu Labs, is open-source. This repository is available under the MIT License or the Apache License 2.0.

To learn more about contributing, please see CONTRIBUTING.md.