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use std::time::Duration;
use atomic_timer::AtomicTimer;
use egui::{CentralPanel, Color32, Slider, Visuals, vec2};
use ehmi::{Bar, Gauge, ToggleStyle, ToggleSwitch};
const DANGER: Color32 = Color32::RED;
struct MyApp {
value: Value,
toggle1: bool,
dark_mode: bool,
pixels_per_point: f32,
}
struct Value {
v: f32,
dir: f32,
timer: AtomicTimer,
}
impl Value {
fn tick(&mut self) {
if !self.timer.reset_if_expired() {
return;
}
self.v += self.dir;
if self.v < 0.0 {
self.v = 0.0;
self.dir = 0.5;
} else if self.v > 100.0 {
self.v = 100.0;
self.dir = -0.5;
}
}
}
impl Default for Value {
fn default() -> Self {
Self {
v: 0.0,
dir: 1.0,
timer: AtomicTimer::new(Duration::from_millis(20)),
}
}
}
impl MyApp {
pub fn new(_cc: &eframe::CreationContext<'_>) -> Self {
Self {
value: Value::default(),
toggle1: true,
dark_mode: true,
pixels_per_point: 1.0,
}
}
}
impl eframe::App for MyApp {
#[allow(clippy::too_many_lines)]
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
egui::TopBottomPanel::top("settings").show(ctx, |ui| {
ui.horizontal(|ui| {
if ui.checkbox(&mut self.dark_mode, "Dark Mode").changed() {
let visuals = if self.dark_mode {
Visuals::dark()
} else {
Visuals::light()
};
ctx.set_visuals(visuals);
}
ui.separator();
ui.label("Pixels per point:");
if ui
.add(Slider::new(&mut self.pixels_per_point, 0.5..=3.0).step_by(0.1))
.changed()
{
ctx.set_pixels_per_point(self.pixels_per_point);
}
if ui.button("Reset").clicked() {
self.pixels_per_point = 1.0;
ctx.set_pixels_per_point(1.0);
}
});
});
let value = self.value.v;
CentralPanel::default().show(ctx, |ui| {
ui.spacing_mut().slider_width = 300.0;
ui.add(Slider::new(&mut self.value.v, 0.0..=100.0));
ui.horizontal(|ui| {
ui.add(
Bar::new(value)
.text(format!("T {:>6.1}°C", value))
.vertical(80.)
.ticks(3)
.range(-20.0..=80.0),
);
ui.add(
Bar::new(value)
.text(format!("T {:>6.1}°C", value))
.vertical(80.)
.fg_color(DANGER)
.ticks(0)
.bar_size(10.0),
);
ui.vertical(|ui| {
ui.add(Bar::new(value).text("Hello").ticks(4));
ui.add(
Bar::new(value)
.text("Hello")
.fg_color(DANGER)
.bar_size(10.0)
.ticks(0)
.font_size(40.0)
.label_size(20.0)
.range(-20.0..=120.0),
);
ui.horizontal(|ui| {
ui.vertical(|ui| {
if ui
.add(ToggleSwitch::new(&mut self.toggle1).label("Hello"))
.clicked()
{
println!("New state: {}", self.toggle1);
}
ui.add(
ToggleSwitch::new(&mut self.toggle1)
.label("Relay")
.style(ToggleStyle::Relay),
);
ui.add(
ToggleSwitch::new(&mut self.toggle1)
.label("Valve")
.style(ToggleStyle::Valve),
);
});
ui.add(
ToggleSwitch::new(&mut self.toggle1)
.label("C")
.style(ToggleStyle::Relay)
.size(vec2(100.0, 100.0)),
);
ui.add(
ToggleSwitch::new(&mut self.toggle1)
.label("Hello")
.style(ToggleStyle::Valve)
.size(vec2(100.0, 100.0)),
);
ui.add(
ToggleSwitch::new(&mut self.toggle1)
.label("Hello")
.size(vec2(100.0, 30.0)),
);
})
});
});
ui.horizontal(|ui| {
ui.add(
Gauge::new(value)
.range(0.0..=100.0)
.size(200.0)
.text(format!("light {:>6.1}", value)),
);
ui.separator();
ui.add(
Gauge::new(value)
.range(0.0..=150.0)
.text(format!("sphere {:>6.1}", value))
.size(200.0)
.ticks(5)
.angle_range(-90..=270),
);
ui.separator();
let mut gauge = Gauge::new(value)
.range(10.0..=80.0)
.size(160.0)
.text(format!("modern {:>6.1}", value))
.ticks(0)
.arrow_length_factor(0.)
.angle_range(-45..=225);
if !(10. ..=80.).contains(&value) {
gauge = gauge.fg_color(DANGER).text_color(DANGER);
}
ui.add(gauge)
});
});
if self.toggle1 {
self.value.tick();
}
ctx.request_repaint_after(Duration::from_millis(20));
}
}
fn main() -> Result<(), eframe::Error> {
eframe::run_native(
"ehmi",
eframe::NativeOptions::default(),
Box::new(|cc| Ok(Box::new(MyApp::new(cc)))),
)
}