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chore: add iced example #69

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Apr 8, 2024
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2 changes: 2 additions & 0 deletions Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -34,3 +34,5 @@ x11-dl = "2.21"
winit = "0.29"
tao = "0.27"
eframe = "0.27"
iced = "0.12.1"
async-std = "1.12.0"
83 changes: 83 additions & 0 deletions examples/iced.rs
Original file line number Diff line number Diff line change
@@ -0,0 +1,83 @@
use global_hotkey::hotkey::{Code, HotKey, Modifiers};
use global_hotkey::{GlobalHotKeyEvent, GlobalHotKeyManager};

use iced::futures::SinkExt;
use iced::widget::{container, row, text};
use iced::{executor, Application, Command, Element, Subscription, Theme};

fn main() -> iced::Result {
Example::run(iced::Settings::default())
}

struct Example {
last_pressed: String,
// store the global manager otherwise it will be dropped and events will not be emitted
_manager: GlobalHotKeyManager,
}

#[derive(Debug, Clone)]
enum ProgramCommands {
// message received when the subscription calls back to the main gui thread
Received(String),
}

impl Application for Example {
type Executor = executor::Default;
type Message = ProgramCommands;
type Theme = Theme;
type Flags = ();

fn new(_flags: Self::Flags) -> (Example, iced::Command<Self::Message>) {
let manager = GlobalHotKeyManager::new().unwrap();
let hotkey_1 = HotKey::new(Some(Modifiers::CONTROL), Code::ArrowRight);
let hotkey_2 = HotKey::new(None, Code::ArrowUp);
manager.register(hotkey_2).unwrap();
manager.register(hotkey_1).unwrap();
(
Example {
last_pressed: "".to_string(),
_manager: manager,
},
Command::none(),
)
}
fn title(&self) -> String {
String::from("Iced example!")
}

fn theme(&self) -> Self::Theme {
Theme::Dark // dark theme :D
}
fn update(&mut self, msg: Self::Message) -> iced::Command<ProgramCommands> {
match msg {
Self::Message::Received(code) => {
// update the text widget
self.last_pressed = code.to_string();

Command::none()
}
}
}
fn view(&self) -> Element<'_, Self::Message> {
container(row![text("You pressed: "), text(self.last_pressed.clone())]).into()
}

fn subscription(&self) -> Subscription<Self::Message> {
self.hotkey_sub()
}
}

impl Example {
pub fn hotkey_sub(&self) -> Subscription<ProgramCommands> {
iced::subscription::channel(0, 32, |mut sender| async move {
let receiver = GlobalHotKeyEvent::receiver();
// poll for global hotkey events every 50ms
loop {
if let Ok(event) = receiver.try_recv() {
sender.send(ProgramCommands::Received(format!("{:?}", t))).await.unwarp();
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}
async_std::task::sleep(std::time::Duration::from_millis(50)).await;
}
})
}
}
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