188 lines
7.0 KiB
Rust
188 lines
7.0 KiB
Rust
// Copyright 2014-2021 The winit contributors
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// Copyright 2021-2023 Tauri Programme within The Commons Conservancy
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// SPDX-License-Identifier: Apache-2.0
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#[allow(clippy::single_match)]
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#[allow(clippy::iter_nth)]
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fn main() {
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use std::{collections::HashMap, sync::mpsc, thread, time::Duration};
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use tao::{
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dpi::{PhysicalPosition, PhysicalSize, Position, Size},
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event::{ElementState, Event, KeyEvent, WindowEvent},
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event_loop::{ControlFlow, EventLoop},
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keyboard::{Key, ModifiersState},
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window::{CursorIcon, Fullscreen, WindowBuilder},
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};
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const WINDOW_COUNT: usize = 3;
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const WINDOW_SIZE: PhysicalSize<u32> = PhysicalSize::new(600, 400);
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env_logger::init();
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let event_loop = EventLoop::new();
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let mut window_senders = HashMap::with_capacity(WINDOW_COUNT);
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for _ in 0..WINDOW_COUNT {
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let window = WindowBuilder::new()
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.with_inner_size(WINDOW_SIZE)
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.build(&event_loop)
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.unwrap();
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let mut video_modes: Vec<_> = window.current_monitor().unwrap().video_modes().collect();
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let mut video_mode_id = 0usize;
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let (tx, rx) = mpsc::channel();
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window_senders.insert(window.id(), tx);
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let mut modifiers = ModifiersState::default();
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thread::spawn(move || {
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while let Ok(event) = rx.recv() {
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match event {
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WindowEvent::Moved { .. } => {
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// We need to update our chosen video mode if the window
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// was moved to an another monitor, so that the window
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// appears on this monitor instead when we go fullscreen
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let previous_video_mode = video_modes.iter().cloned().nth(video_mode_id);
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video_modes = window.current_monitor().unwrap().video_modes().collect();
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video_mode_id = video_mode_id.min(video_modes.len());
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let video_mode = video_modes.iter().nth(video_mode_id);
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// Different monitors may support different video modes,
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// and the index we chose previously may now point to a
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// completely different video mode, so notify the user
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if video_mode != previous_video_mode.as_ref() {
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println!(
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"Window moved to another monitor, picked video mode: {}",
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video_modes.iter().nth(video_mode_id).unwrap()
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);
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}
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}
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WindowEvent::ModifiersChanged(mod_state) => {
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modifiers = mod_state;
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}
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WindowEvent::KeyboardInput {
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event:
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KeyEvent {
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state: ElementState::Released,
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logical_key: key,
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..
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},
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..
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} => {
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use Key::{ArrowLeft, ArrowRight, Character};
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window.set_title(&format!("{:?}", key));
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let state = !modifiers.shift_key();
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match &key {
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// WARNING: Consider using `key_without_modifers()` if available on your platform.
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// See the `key_binding` example
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Character(string) => match string.to_lowercase().as_str() {
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"a" => window.set_always_on_top(state),
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"c" => window.set_cursor_icon(match state {
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true => CursorIcon::Progress,
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false => CursorIcon::Default,
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}),
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"d" => window.set_decorations(!state),
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"f" => window.set_fullscreen(match (state, modifiers.alt_key()) {
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(true, false) => Some(Fullscreen::Borderless(None)),
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(true, true) => Some(Fullscreen::Exclusive(
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video_modes.iter().nth(video_mode_id).unwrap().clone(),
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)),
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(false, _) => None,
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}),
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"g" => window.set_cursor_grab(state).unwrap(),
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"h" => window.set_cursor_visible(!state),
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"i" => {
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println!("Info:");
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println!("-> outer_position : {:?}", window.outer_position());
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println!("-> inner_position : {:?}", window.inner_position());
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println!("-> outer_size : {:?}", window.outer_size());
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println!("-> inner_size : {:?}", window.inner_size());
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println!("-> fullscreen : {:?}", window.fullscreen());
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}
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"l" => window.set_min_inner_size(match state {
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true => Some(WINDOW_SIZE),
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false => None,
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}),
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"m" => window.set_maximized(state),
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"p" => window.set_outer_position({
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let mut position = window.outer_position().unwrap();
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let sign = if state { 1 } else { -1 };
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position.x += 10 * sign;
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position.y += 10 * sign;
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position
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}),
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"q" => window.request_redraw(),
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"r" => window.set_resizable(state),
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"s" => window.set_inner_size(match state {
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true => PhysicalSize::new(WINDOW_SIZE.width + 100, WINDOW_SIZE.height + 100),
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false => WINDOW_SIZE,
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}),
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"w" => {
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if let Size::Physical(size) = WINDOW_SIZE.into() {
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window
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.set_cursor_position(Position::Physical(PhysicalPosition::new(
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size.width as i32 / 2,
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size.height as i32 / 2,
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)))
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.unwrap()
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}
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}
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"z" => {
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window.set_visible(false);
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thread::sleep(Duration::from_secs(1));
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window.set_visible(true);
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}
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_ => (),
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},
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ArrowRight | ArrowLeft => {
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video_mode_id = match &key {
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ArrowLeft => video_mode_id.saturating_sub(1),
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ArrowRight => (video_modes.len() - 1).min(video_mode_id + 1),
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_ => unreachable!(),
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};
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println!(
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"Picking video mode: {}",
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video_modes.iter().nth(video_mode_id).unwrap()
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);
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}
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_ => (),
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}
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}
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_ => (),
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}
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}
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});
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}
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event_loop.run(move |event, _event_loop, control_flow| {
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*control_flow = match !window_senders.is_empty() {
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true => ControlFlow::Wait,
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false => ControlFlow::Exit,
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};
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match event {
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Event::WindowEvent {
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event, window_id, ..
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} => match event {
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WindowEvent::CloseRequested
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| WindowEvent::Destroyed
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| WindowEvent::KeyboardInput {
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event:
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KeyEvent {
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state: ElementState::Released,
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logical_key: Key::Escape,
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..
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},
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..
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} => {
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window_senders.remove(&window_id);
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}
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_ => {
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if let Some(tx) = window_senders.get(&window_id) {
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if let Some(event) = event.to_static() {
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tx.send(event).unwrap();
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}
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}
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}
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},
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_ => (),
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}
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})
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}
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