56 lines
1.3 KiB
Rust
56 lines
1.3 KiB
Rust
use iced::{button, Button, Column, Element, Sandbox, Settings, Text};
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pub fn main() {
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Counter::run(Settings::default())
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}
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#[derive(Default)]
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struct Counter {
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value: i32,
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increment_button: button::State,
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decrement_button: button::State,
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}
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#[derive(Debug, Clone, Copy)]
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enum Message {
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IncrementPressed,
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DecrementPressed,
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}
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impl Sandbox for Counter {
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type Message = Message;
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fn new() -> Self {
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Self::default()
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}
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fn title(&self) -> String {
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String::from("A simple counter")
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}
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fn update(&mut self, message: Message) {
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match message {
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Message::IncrementPressed => {
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self.value += 1;
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}
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Message::DecrementPressed => {
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self.value -= 1;
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}
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}
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}
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fn view(&mut self) -> Element<Message> {
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Column::new()
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.padding(20)
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.push(
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Button::new(&mut self.increment_button, Text::new("Increment"))
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.on_press(Message::IncrementPressed),
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)
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.push(Text::new(self.value.to_string()).size(50))
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.push(
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Button::new(&mut self.decrement_button, Text::new("Decrement"))
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.on_press(Message::DecrementPressed),
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)
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.into()
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}
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}
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