bevy_pages 0.3.2

A lightweight and elegant framework to upgrade your Bevy UI experience.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57

use crate::element::{ElementId, ElementProps};
use crate::events::{ElementClick, ElementHover};
use crate::props::Properties;
use bevy::color::Color;
use bevy::prelude::*;
use bevy::ui::{BackgroundColor, BorderColor, Node};

/// System set grouping UI layout, input interaction, and scrolling systems.
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, SystemSet)]
pub struct PageSystemSet;

pub(crate) fn interactions(
    mut commands: Commands,
    mut query: Query<
        (
            Entity,
            &Interaction,
            &Properties<ElementProps>,
            Option<&ElementId>,
            &mut Node,
            &mut BackgroundColor,
            &mut BorderColor,
        ),
        Changed<Interaction>,
    >,
) {
    for (e, i, props, id, mut node, mut bg_color, mut border_color) in &mut query {
        let props = match i {
            Interaction::Pressed => {
                commands.trigger(ElementClick {
                    entity: e,
                    id: id.cloned(),
                });

                &props.click
            }
            Interaction::Hovered => {
                commands.trigger(ElementHover {
                    entity: e,
                    id: id.cloned(),
                });

                &props.hover
            }
            Interaction::None => &props.default,
        };

        let target_bg = props.bg_color.unwrap_or(Color::NONE);
        let target_border = props.border_color.unwrap_or_default();

        crate::set_if_changed!(
            bg_color.0, target_bg;
            *border_color, target_border;
            *node, props.node => props.node.clone();
        );
    }
}