egui_components/
label.rs

1//! Theme-aware `Label`. A thin wrapper around [`egui::Label`] that knows
2//! about the theme's semantic text colors (`muted`, `secondary`, `primary`, …).
3
4use crate::common::Size;
5use egui::{FontId, Response, RichText, Ui, Widget};
6use egui_components_theme::Theme;
7
8#[derive(Clone, Copy, Debug, PartialEq, Eq, Default)]
9pub enum LabelTone {
10    #[default]
11    Default,
12    Muted,
13    Primary,
14    Secondary,
15    Danger,
16    Success,
17    Warning,
18}
19
20pub struct Label {
21    text: String,
22    tone: LabelTone,
23    size: Size,
24    strong: bool,
25    italic: bool,
26    underline: bool,
27}
28
29impl Label {
30    pub fn new(text: impl Into<String>) -> Self {
31        Self {
32            text: text.into(),
33            tone: LabelTone::Default,
34            size: Size::Medium,
35            strong: false,
36            italic: false,
37            underline: false,
38        }
39    }
40    pub fn tone(mut self, t: LabelTone) -> Self {
41        self.tone = t;
42        self
43    }
44    pub fn muted(self) -> Self {
45        self.tone(LabelTone::Muted)
46    }
47    pub fn size(mut self, s: Size) -> Self {
48        self.size = s;
49        self
50    }
51    pub fn strong(mut self) -> Self {
52        self.strong = true;
53        self
54    }
55    pub fn italic(mut self) -> Self {
56        self.italic = true;
57        self
58    }
59    pub fn underline(mut self) -> Self {
60        self.underline = true;
61        self
62    }
63}
64
65impl Widget for Label {
66    fn ui(self, ui: &mut Ui) -> Response {
67        let theme = Theme::get(ui.ctx());
68        let c = theme.colors;
69        let color = match self.tone {
70            LabelTone::Default => c.foreground,
71            LabelTone::Muted => c.muted_foreground,
72            LabelTone::Primary => c.primary_background,
73            LabelTone::Secondary => c.secondary_foreground,
74            LabelTone::Danger => c.danger_background,
75            LabelTone::Success => c.success_background,
76            LabelTone::Warning => c.warning_background,
77        };
78        let mut rich = RichText::new(self.text)
79            .color(color)
80            .font(FontId::proportional(self.size.font_size(&theme.metrics)));
81        if self.strong {
82            rich = rich.strong();
83        }
84        if self.italic {
85            rich = rich.italics();
86        }
87        if self.underline {
88            rich = rich.underline();
89        }
90        ui.add(egui::Label::new(rich))
91    }
92}
egui_components/label.rs

egui_components/
label.rs
