89 lines
2.9 KiB
Rust
89 lines
2.9 KiB
Rust
use embedded_graphics::pixelcolor::Rgb565;
|
|
use embedded_graphics::prelude::*;
|
|
use embedded_graphics_simulator::{
|
|
OutputSettingsBuilder, SimulatorDisplay, SimulatorEvent, Window,
|
|
};
|
|
use lvgl::style::{Opacity, Style};
|
|
use lvgl::widgets::Gauge;
|
|
use lvgl::{self, Align, Color, LvError, Part, State, Widget, UI};
|
|
use lvgl_sys;
|
|
use std::time::Instant;
|
|
|
|
fn main() -> Result<(), LvError> {
|
|
let display: SimulatorDisplay<Rgb565> = SimulatorDisplay::new(Size::new(
|
|
lvgl_sys::LV_HOR_RES_MAX,
|
|
lvgl_sys::LV_VER_RES_MAX,
|
|
));
|
|
|
|
let output_settings = OutputSettingsBuilder::new().scale(2).build();
|
|
let mut window = Window::new("Gauge Example", &output_settings);
|
|
|
|
let mut ui = UI::init()?;
|
|
|
|
// Implement and register your display:
|
|
ui.disp_drv_register(display)?;
|
|
|
|
// Create screen and widgets
|
|
let mut screen = ui.scr_act()?;
|
|
|
|
let mut screen_style = Style::default();
|
|
screen_style.set_bg_color(State::DEFAULT, Color::from_rgb((0, 0, 0)));
|
|
screen.add_style(Part::Main, screen_style)?;
|
|
|
|
// Create the gauge
|
|
let mut gauge_style = Style::default();
|
|
// Set a background color and a radius
|
|
gauge_style.set_radius(State::DEFAULT, 5);
|
|
gauge_style.set_bg_opa(State::DEFAULT, Opacity::OPA_COVER);
|
|
gauge_style.set_bg_color(State::DEFAULT, Color::from_rgb((192, 192, 192)));
|
|
// Set some paddings
|
|
gauge_style.set_pad_inner(State::DEFAULT, 20);
|
|
gauge_style.set_pad_top(State::DEFAULT, 20);
|
|
gauge_style.set_pad_left(State::DEFAULT, 5);
|
|
gauge_style.set_pad_right(State::DEFAULT, 5);
|
|
|
|
gauge_style.set_scale_end_color(State::DEFAULT, Color::from_rgb((255, 0, 0)));
|
|
gauge_style.set_line_color(State::DEFAULT, Color::from_rgb((255, 255, 255)));
|
|
gauge_style.set_scale_grad_color(State::DEFAULT, Color::from_rgb((0, 0, 255)));
|
|
gauge_style.set_line_width(State::DEFAULT, 2);
|
|
gauge_style.set_scale_end_line_width(State::DEFAULT, 4);
|
|
gauge_style.set_scale_end_border_width(State::DEFAULT, 4);
|
|
|
|
let mut gauge = Gauge::new(&mut screen)?;
|
|
gauge.add_style(Part::Main, gauge_style)?;
|
|
gauge.set_align(&mut screen, Align::Center, 0, 0)?;
|
|
gauge.set_value(0, 50)?;
|
|
|
|
let mut i = 0;
|
|
let mut loop_started = Instant::now();
|
|
'running: loop {
|
|
gauge.set_value(0, i)?;
|
|
|
|
ui.task_handler();
|
|
window.update(ui.get_display_ref().unwrap());
|
|
|
|
for event in window.events() {
|
|
match event {
|
|
SimulatorEvent::MouseButtonUp {
|
|
mouse_btn: _,
|
|
point,
|
|
} => {
|
|
println!("Clicked on: {:?}", point);
|
|
}
|
|
SimulatorEvent::Quit => break 'running,
|
|
_ => {}
|
|
}
|
|
}
|
|
|
|
if i > 99 {
|
|
i = 0;
|
|
} else {
|
|
i = i + 1;
|
|
}
|
|
|
|
ui.tick_inc(loop_started.elapsed());
|
|
loop_started = Instant::now();
|
|
}
|
|
|
|
Ok(())
|
|
}
|