freya_components/
chip.rs

1use freya_core::prelude::*;
2use torin::size::Size;
3
4use crate::{
5    get_theme,
6    icons::tick::TickIcon,
7    theming::component_themes::{
8        ChipTheme,
9        ChipThemePartial,
10    },
11};
12
13#[derive(Debug, Default, PartialEq, Clone, Copy)]
14pub enum ChipStatus {
15    /// Default state.
16    #[default]
17    Idle,
18    /// Mouse is hovering the chip.
19    Hovering,
20}
21
22// TODO: Add layout and style variants
23// TODO: Ability to hide/customize icon
24#[derive(PartialEq)]
25pub struct Chip {
26    pub(crate) theme: Option<ChipThemePartial>,
27    children: Vec<Element>,
28    on_press: Option<EventHandler<Event<PressEventData>>>,
29    selected: bool,
30    enabled: bool,
31    key: DiffKey,
32}
33
34impl Default for Chip {
35    fn default() -> Self {
36        Self {
37            theme: None,
38            children: Vec::new(),
39            on_press: None,
40            selected: false,
41            enabled: true,
42            key: DiffKey::None,
43        }
44    }
45}
46
47impl Chip {
48    pub fn new() -> Self {
49        Self::default()
50    }
51
52    pub fn theme(mut self, theme: ChipThemePartial) -> Self {
53        self.theme = Some(theme);
54        self
55    }
56
57    pub fn selected(mut self, selected: impl Into<bool>) -> Self {
58        self.selected = selected.into();
59        self
60    }
61
62    pub fn enabled(mut self, enabled: impl Into<bool>) -> Self {
63        self.enabled = enabled.into();
64        self
65    }
66
67    pub fn on_press(mut self, handler: impl Into<EventHandler<Event<PressEventData>>>) -> Self {
68        self.on_press = Some(handler.into());
69        self
70    }
71}
72
73impl ChildrenExt for Chip {
74    fn get_children(&mut self) -> &mut Vec<Element> {
75        &mut self.children
76    }
77}
78
79impl KeyExt for Chip {
80    fn write_key(&mut self) -> &mut DiffKey {
81        &mut self.key
82    }
83}
84
85impl Render for Chip {
86    fn render(&self) -> impl IntoElement {
87        let theme = get_theme!(&self.theme, chip);
88        let mut status = use_state(|| ChipStatus::Idle);
89        let focus = use_focus();
90        let focus_status = use_focus_status(focus);
91
92        let ChipTheme {
93            background,
94            hover_background,
95            selected_background,
96            border_fill,
97            selected_border_fill,
98            hover_border_fill,
99            focus_border_fill,
100            padding,
101            margin,
102            corner_radius,
103            width,
104            height,
105            color,
106            hover_color,
107            selected_color,
108            hover_icon_fill,
109            selected_icon_fill,
110        } = theme;
111
112        let on_press = self.on_press.clone();
113        let on_press = move |e: Event<PressEventData>| {
114            focus.request_focus();
115            if let Some(on_press) = &on_press {
116                on_press.call(e);
117            }
118        };
119
120        let on_pointer_enter = move |_| {
121            Cursor::set(CursorIcon::Pointer);
122            status.set(ChipStatus::Hovering);
123        };
124
125        let on_pointer_leave = move |_| {
126            if status() == ChipStatus::Hovering {
127                Cursor::set(CursorIcon::default());
128                status.set(ChipStatus::Idle);
129            }
130        };
131
132        let background = match status() {
133            ChipStatus::Hovering => hover_background,
134            _ if self.selected => selected_background,
135            _ => background,
136        };
137        let color = match status() {
138            ChipStatus::Hovering => hover_color,
139            _ if self.selected => selected_color,
140            _ => color,
141        };
142        let border_fill = match status() {
143            ChipStatus::Hovering => hover_border_fill,
144            _ if self.selected => selected_border_fill,
145            _ => border_fill,
146        };
147        let icon_fill = match status() {
148            ChipStatus::Hovering if self.selected => Some(hover_icon_fill),
149            _ if self.selected => Some(selected_icon_fill),
150            _ => None,
151        };
152        let border = if focus_status() == FocusStatus::Keyboard {
153            Border::new()
154                .fill(focus_border_fill)
155                .width(2.)
156                .alignment(BorderAlignment::Inner)
157        } else {
158            Border::new()
159                .fill(border_fill.mul_if(!self.enabled, 0.9))
160                .width(1.)
161                .alignment(BorderAlignment::Inner)
162        };
163
164        rect()
165            .a11y_id(focus.a11y_id())
166            .a11y_focusable(self.enabled)
167            .a11y_role(AccessibilityRole::Button)
168            .maybe(self.enabled, |rect| {
169                rect.on_press(on_press).on_pointer_enter(on_pointer_enter)
170            })
171            .on_pointer_leave(on_pointer_leave)
172            .width(width)
173            .height(height)
174            .padding(padding)
175            .margin(margin)
176            .overflow(Overflow::Clip)
177            .border(border)
178            .corner_radius(corner_radius)
179            .color(color.mul_if(!self.enabled, 0.9))
180            .background(background.mul_if(!self.enabled, 0.9))
181            .center()
182            .horizontal()
183            .spacing(4.)
184            .maybe_child(icon_fill.map(|icon_fill| {
185                TickIcon::new()
186                    .fill(icon_fill)
187                    .width(Size::px(12.))
188                    .height(Size::px(12.))
189            }))
190            .children(self.children.clone())
191    }
192
193    fn render_key(&self) -> DiffKey {
194        self.key.clone().or(self.default_key())
195    }
196}
freya_components/chip.rs

freya_components/
chip.rs
