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Show name of current Theme in clock example

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Héctor Ramón Jiménez 2024-03-16 16:52:21 +01:00
parent 348e00e11c
commit bad3b1ac47
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GPG key ID: 7CC46565708259A7
5 changed files with 67 additions and 14 deletions
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33
examples/clock/src/main.rs
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@ -1,8 +1,10 @@
use iced::alignment;
use iced::mouse;
use iced::widget::canvas::{stroke, Cache, Geometry, LineCap, Path, Stroke};
use iced::widget::{canvas, container};
use iced::{
Element, Length, Point, Rectangle, Renderer, Subscription, Theme, Vector,
Degrees, Element, Font, Length, Point, Rectangle, Renderer, Subscription,
Theme, Vector,
};
pub fn main() -> iced::Result {
@ -133,8 +135,31 @@ impl<Message> canvas::Program<Message> for Clock {
});
frame.with_save(|frame| {
frame.rotate(hand_rotation(self.now.second(), 60));
let rotation = hand_rotation(self.now.second(), 60);
frame.rotate(rotation);
frame.stroke(&long_hand, thin_stroke());
let rotate_factor = if rotation < 180.0 { 1.0 } else { -1.0 };
frame.rotate(Degrees(-90.0 * rotate_factor));
frame.fill_text(canvas::Text {
content: theme.to_string(),
size: 15.into(),
position: Point::new(
(0.8 * radius - 8.0) * rotate_factor,
-8.0,
),
color: palette.primary.weak.text,
horizontal_alignment: if rotate_factor > 0.0 {
alignment::Horizontal::Right
} else {
alignment::Horizontal::Left
},
vertical_alignment: alignment::Vertical::Bottom,
font: Font::MONOSPACE,
..canvas::Text::default()
});
});
});
@ -142,8 +167,8 @@ impl<Message> canvas::Program<Message> for Clock {
}
}
fn hand_rotation(n: u8, total: u8) -> f32 {
fn hand_rotation(n: u8, total: u8) -> Degrees {
let turns = n as f32 / total as f32;
2.0 * std::f32::consts::PI * turns
Degrees(360.0 * turns)
}