114 lines
3.6 KiB
Rust
114 lines
3.6 KiB
Rust
use cstr_core::CString;
|
|
use embedded_graphics::pixelcolor::Rgb565;
|
|
use embedded_graphics::prelude::*;
|
|
use embedded_graphics_simulator::{
|
|
OutputSettingsBuilder, SimulatorDisplay, SimulatorEvent, Window,
|
|
};
|
|
use lvgl::input_device::{BufferStatus, InputData, Pointer};
|
|
use lvgl::style::Style;
|
|
use lvgl::widgets::{Btn, Label};
|
|
use lvgl::{self, Align, Color, LvError, Part, State, Widget, UI};
|
|
use std::cell::RefCell;
|
|
use std::rc::Rc;
|
|
use std::thread::sleep;
|
|
use std::time::{Duration, Instant};
|
|
|
|
fn main() -> Result<(), LvError> {
|
|
let display: SimulatorDisplay<Rgb565> =
|
|
SimulatorDisplay::new(Size::new(lvgl::HOR_RES_MAX, lvgl::VER_RES_MAX));
|
|
|
|
let output_settings = OutputSettingsBuilder::new().scale(2).build();
|
|
let mut window = Window::new("Bar Example", &output_settings);
|
|
|
|
let mut ui = UI::init()?;
|
|
|
|
// Implement and register your display:
|
|
ui.disp_drv_register(display)?;
|
|
|
|
// Initial state of input
|
|
let latest_touch_status: Rc<RefCell<BufferStatus>> = Rc::new(RefCell::new(
|
|
InputData::Touch(Point::new(0, 0)).released().once(),
|
|
));
|
|
|
|
// Register the input mode
|
|
let internal = Rc::clone(&latest_touch_status);
|
|
let mut touch_screen = Pointer::new(move || {
|
|
let input_status = internal.borrow().clone();
|
|
//println!("input_status = {:?}", input_status);
|
|
input_status
|
|
});
|
|
|
|
ui.indev_drv_register(&mut touch_screen)?;
|
|
|
|
// 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 button
|
|
let mut button = Btn::new(&mut screen)?;
|
|
button.set_align(&mut screen, Align::InLeftMid, 30, 0)?;
|
|
button.set_size(180, 80)?;
|
|
let mut btn_lbl = Label::new(&mut button)?;
|
|
btn_lbl.set_text(CString::new("Click me!").unwrap().as_c_str())?;
|
|
|
|
let mut btn_state = false;
|
|
button.on_event(|mut btn, event| {
|
|
println!("Some event! {:?}", event);
|
|
if let lvgl::Event::Clicked = event {
|
|
if btn_state {
|
|
let nt = CString::new("Click me!").unwrap();
|
|
btn_lbl.set_text(nt.as_c_str()).unwrap();
|
|
} else {
|
|
let nt = CString::new("Clicked!").unwrap();
|
|
btn_lbl.set_text(nt.as_c_str()).unwrap();
|
|
}
|
|
btn_state = !btn_state;
|
|
println!("Clicked! Inner..");
|
|
btn.toggle().unwrap();
|
|
}
|
|
})?;
|
|
|
|
let mut loop_started = Instant::now();
|
|
let mut latest_touch_point = Point::new(0, 0);
|
|
'running: loop {
|
|
ui.task_handler();
|
|
window.update(ui.get_display_ref().unwrap());
|
|
|
|
let mut events = window.events().peekable();
|
|
|
|
if events.peek().is_none() {
|
|
latest_touch_status.replace(
|
|
InputData::Touch(latest_touch_point.clone())
|
|
.released()
|
|
.once(),
|
|
);
|
|
}
|
|
|
|
for event in events {
|
|
match event {
|
|
SimulatorEvent::MouseButtonUp {
|
|
mouse_btn: _,
|
|
point,
|
|
} => {
|
|
println!("Clicked on: {:?}", point);
|
|
// Send a event to the button directly
|
|
latest_touch_point = point.clone();
|
|
latest_touch_status.replace(InputData::Touch(point).pressed().once());
|
|
}
|
|
SimulatorEvent::Quit => break 'running,
|
|
_ => {}
|
|
}
|
|
}
|
|
|
|
sleep(Duration::from_millis(50));
|
|
|
|
ui.tick_inc(loop_started.elapsed());
|
|
loop_started = Instant::now();
|
|
}
|
|
|
|
Ok(())
|
|
}
|