124 lines
3.7 KiB
Rust
124 lines
3.7 KiB
Rust
use embedded_graphics::pixelcolor::Rgb565;
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use embedded_graphics::prelude::*;
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use embedded_graphics_simulator::{
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OutputSettingsBuilder, SimulatorDisplay, SimulatorEvent, Window,
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};
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use lvgl;
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use lvgl::widgets::{Label, LabelAlign};
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use lvgl::{Object, UI};
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use lvgl_sys;
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use std::sync::{mpsc, Arc, Mutex};
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use std::thread::sleep;
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use std::time::Duration;
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fn main() -> Result<(), String> {
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let mut display: SimulatorDisplay<Rgb565> = SimulatorDisplay::new(Size::new(
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lvgl_sys::LV_HOR_RES_MAX,
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lvgl_sys::LV_VER_RES_MAX,
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));
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let output_settings = OutputSettingsBuilder::new().scale(2).build();
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let mut window = Window::new("PineTime", &output_settings);
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let mut ui = UI::init().unwrap();
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// Implement and register your display:
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let display_driver = lvgl::DisplayDriver::new(&mut display);
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ui.disp_drv_register(display_driver);
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// Create screen and widgets
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let mut screen = ui.scr_act();
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let font_roboto_28 = unsafe { &lvgl_sys::lv_font_roboto_28 };
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let font_noto_sans_numeric_28 = unsafe { ¬o_sans_numeric_80 };
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let mut screen_style = lvgl::Style::new();
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screen_style.set_body_main_color(lvgl::Color::from_rgb((0, 0, 0)));
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screen_style.set_body_grad_color(lvgl::Color::from_rgb((0, 0, 0)));
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screen_style.set_body_radius(0);
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screen.set_style(screen_style);
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let mut time = Label::new(&mut screen);
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let mut style_time = lvgl::Style::new();
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style_time.set_text_font(font_noto_sans_numeric_28);
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style_time.set_text_color(lvgl::Color::from_rgb((255, 255, 255)));
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time.set_style(style_time);
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time.set_align(&mut screen, lvgl::Align::InLeftMid, 20, 0);
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time.set_text("20:46");
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time.set_width(240);
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time.set_height(240);
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let mut bt = Label::new(&mut screen);
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let mut style_bt = lvgl::Style::new();
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style_bt.set_text_font(font_roboto_28);
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let style_power = style_bt.clone();
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bt.set_style(style_bt);
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bt.set_width(50);
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bt.set_height(80);
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bt.set_recolor(true);
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bt.set_text("#5794f2 \u{F293}#");
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bt.set_label_align(LabelAlign::Left);
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bt.set_align(&mut screen, lvgl::Align::InTopLeft, 0, 0);
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let mut power = Label::new(&mut screen);
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power.set_style(style_power);
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power.set_recolor(true);
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power.set_width(80);
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power.set_height(20);
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power.set_text("#fade2a 20%#");
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power.set_label_align(LabelAlign::Right);
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power.set_align(&mut screen, lvgl::Align::InTopRight, 0, 0);
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let threaded_ui = Arc::new(Mutex::new(ui));
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let (stop_ch, read_ch) = mpsc::channel();
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let closure_ui = threaded_ui.clone();
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let tick_thr = std::thread::spawn(move || loop {
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let period = Duration::from_millis(250);
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closure_ui.lock().unwrap().tick_inc(period);
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sleep(period);
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if read_ch.try_recv().is_ok() {
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break;
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}
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});
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let mut i = 0;
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'running: loop {
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if i > 59 {
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i = 0;
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}
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time.set_text(format!("21:{:02}", i).as_str());
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i = 1 + i;
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sleep(Duration::from_secs(1));
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threaded_ui.lock().unwrap().task_handler();
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window.update(&display);
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for event in window.events() {
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match event {
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SimulatorEvent::Quit => break 'running,
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_ => {}
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}
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}
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}
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stop_ch.send(true).unwrap();
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tick_thr.join().unwrap();
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Ok(())
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}
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// Reference to native font for LittlevGL, defined in the file: "fonts_noto_sans_numeric_80.c"
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// TODO: Create a macro for defining a safe wrapper for fonts.
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// Maybe sometihng like:
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//
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// font_declare! {
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// NotoSansNumeric80 = noto_sans_numeric_80;
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// };
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//
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extern "C" {
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pub static mut noto_sans_numeric_80: lvgl_sys::lv_font_t;
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}
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