archived-tao/examples/reopen_event.rs

// Copyright 2014-2021 The winit contributors
// Copyright 2021-2023 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0

use tao::{
  event::{Event, WindowEvent},
  event_loop::{ControlFlow, EventLoop},
  window::Window,
};

#[allow(clippy::single_match)]
fn main() {
  let event_loop = EventLoop::new();

  let mut window = Some(Window::new(&event_loop).unwrap());

  event_loop.run(move |event, event_loop, control_flow| {
    *control_flow = ControlFlow::Wait;

    match event {
      Event::WindowEvent {
        event: WindowEvent::CloseRequested,
        ..
      } => {
        // drop the window
        window = None;
      }
      Event::Reopen {
        has_visible_windows,
        ..
      } => {
        println!("on reopen, has visible windows: {has_visible_windows}");
        if !has_visible_windows {
          window = Some(Window::new(event_loop).unwrap())
        }
      }
      Event::MainEventsCleared => {
        if let Some(w) = &window {
          w.request_redraw();
        }
      }
      _ => (),
    }
  });
}