swoop_ui/lib.rs
1//! **Swoop UI** is a modular, ergonomic layout toolkit built on top of Bevy UI.
2//! It introduces expressive layout containers like `HStack`, `VStack`, `HGrid`, and `VGrid`,
3//! supporting fluent syntax for padding, spacing, border, and background styling.
4//!
5//! # UI Layout Overview
6//!
7//! This crate defines a menu bar container using a horizontal stack layout:
8//!
9//! ```rust
10//! use bevy::prelude::*;
11//! use swoop_ui::prelude::*;
12//!
13//! fn setup(mut commands: Commands) {
14//! commands.spawn((
15//! HStack::new(AlignItems::Start, Val::Auto)
16//! .background_color(Srgba::WHITE.into())
17//! .justify_content(JustifyContent::Start)
18//! .pack(),
19//! ));
20//! }
21//! ```
22//!
23//! - `HStack` creates a horizontal layout with children aligned at the top.
24//! - The background color is set using the impl Into<Color> value.
25//! - Contents are left-aligned using `JustifyContent::Start`.
26//!
27//! The layout is finalized with `.pack()` and passed into `commands.spawn` to be spawn in the entity world.
28
29use std::borrow::Cow;
30use std::fmt::Debug;
31
32use bevy_app::prelude::*;
33use bevy_ecs::prelude::*;
34use bevy_ui::prelude::*;
35
36// Background UI trait
37pub mod background;
38// Border UI trait
39pub mod border;
40// Shadow UI Trait
41pub mod shadow;
42
43/// Layouts and containers
44pub mod container;
45
46pub mod prelude {
47 pub use super::background::*;
48 pub use super::border::*;
49 pub use super::container::prelude::*;
50 pub use super::shadow::*;
51 pub use super::{SwoopUiPlugin, View, ViewPack};
52}
53
54/// Reserved for future addition of system functions
55pub struct SwoopUiPlugin;
56
57/// Provides common builder-style methods for UI configuration
58pub trait View: Debug + Clone + PartialEq + Default {
59 /// Returns a mutable reference to the entity's Name component
60 fn name_node(&mut self) -> &mut Name;
61
62 /// Returns a mutable reference to the entity's Node component
63 fn node_node(&mut self) -> &mut Node;
64
65 /// Sets the Name component
66 fn name(mut self, name: impl Into<Cow<'static, str>>) -> Self {
67 self.name_node().set(name);
68 self
69 }
70
71 /// Applies padding to the Node
72 fn padding(mut self, padding: UiRect) -> Self {
73 self.node_node().padding = padding;
74 self
75 }
76
77 /// Sets width and height of the Node
78 fn frame(mut self, width: Val, height: Val) -> Self {
79 let node = self.node_node();
80 node.width = width;
81 node.height = height;
82 self
83 }
84
85 /// Sets the width of the Node
86 fn width(mut self, width: Val) -> Self {
87 self.node_node().width = width;
88 self
89 }
90
91 /// Sets the height of the Node
92 fn height(mut self, height: Val) -> Self {
93 self.node_node().height = height;
94 self
95 }
96}
97
98/// Converts a custom UI builder into a Bevy-compatible Bundle
99pub trait ViewPack {
100 /// Consumes the UI builder and produces a bundle
101 fn pack(self) -> impl Bundle;
102}
103
104impl Plugin for SwoopUiPlugin {
105 fn build(&self, _: &mut App) {}
106}