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Introduce Program API

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Héctor Ramón Jiménez 2024-03-16 05:33:47 +01:00
parent 0524e9b457
commit c22269bff3
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GPG key ID: 7CC46565708259A7
43 changed files with 1141 additions and 831 deletions
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28
examples/screenshot/src/main.rs
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@ -1,12 +1,10 @@
use iced::alignment;
use iced::executor;
use iced::keyboard;
use iced::widget::{button, column, container, image, row, text, text_input};
use iced::window;
use iced::window::screenshot::{self, Screenshot};
use iced::{
Alignment, Application, Command, ContentFit, Element, Length, Rectangle,
Subscription, Theme,
Alignment, Command, ContentFit, Element, Length, Rectangle, Subscription,
};
use ::image as img;
@ -15,7 +13,10 @@ use ::image::ColorType;
fn main() -> iced::Result {
tracing_subscriber::fmt::init();
Example::run(iced::Settings::default())
iced::application(Example::new, Example::update, Example::view)
.subscription(Example::subscription)
.title("Screenshot - Iced")
.run()
}
struct Example {
@ -42,13 +43,8 @@ enum Message {
HeightInputChanged(Option<u32>),
}
impl Application for Example {
type Executor = executor::Default;
type Message = Message;
type Theme = Theme;
type Flags = ();
fn new(_flags: Self::Flags) -> (Self, Command<Self::Message>) {
impl Example {
fn new() -> (Self, Command<Message>) {
(
Example {
screenshot: None,
@ -64,11 +60,7 @@ impl Application for Example {
)
}
fn title(&self) -> String {
"Screenshot".to_string()
}
fn update(&mut self, message: Self::Message) -> Command<Self::Message> {
fn update(&mut self, message: Message) -> Command<Message> {
match message {
Message::Screenshot => {
return iced::window::screenshot(
@ -130,7 +122,7 @@ impl Application for Example {
Command::none()
}
fn view(&self) -> Element<'_, Self::Message> {
fn view(&self) -> Element<'_, Message> {
let image: Element<Message> = if let Some(screenshot) = &self.screenshot
{
image(image::Handle::from_pixels(
@ -259,7 +251,7 @@ impl Application for Example {
.into()
}
fn subscription(&self) -> Subscription<Self::Message> {
fn subscription(&self) -> Subscription<Message> {
use keyboard::key;
keyboard::on_key_press(|key, _modifiers| {