Deprecate the component widget

examples/component/Cargo.toml

@@ -1,10 +0,0 @@
-[package]
-name = "component"
-version = "0.1.0"
-authors = ["Héctor Ramón Jiménez <hector0193@gmail.com>"]
-edition = "2021"
-publish = false
-
-[dependencies]
-iced.workspace = true
-iced.features = ["debug", "lazy"]

examples/component/src/main.rs

@@ -1,149 +0,0 @@
-use iced::widget::center;
-use iced::Element;
-
-use numeric_input::numeric_input;
-
-pub fn main() -> iced::Result {
-    iced::run("Component - Iced", Component::update, Component::view)
-}
-
-#[derive(Default)]
-struct Component {
-    value: Option<u32>,
-}
-
-#[derive(Debug, Clone, Copy)]
-enum Message {
-    NumericInputChanged(Option<u32>),
-}
-
-impl Component {
-    fn update(&mut self, message: Message) {
-        match message {
-            Message::NumericInputChanged(value) => {
-                self.value = value;
-            }
-        }
-    }
-
-    fn view(&self) -> Element<Message> {
-        center(numeric_input(self.value, Message::NumericInputChanged))
-            .padding(20)
-            .into()
-    }
-}
-
-mod numeric_input {
-    use iced::widget::{button, component, row, text, text_input, Component};
-    use iced::{Center, Element, Fill, Length, Size};
-
-    pub struct NumericInput<Message> {
-        value: Option<u32>,
-        on_change: Box<dyn Fn(Option<u32>) -> Message>,
-    }
-
-    pub fn numeric_input<Message>(
-        value: Option<u32>,
-        on_change: impl Fn(Option<u32>) -> Message + 'static,
-    ) -> NumericInput<Message> {
-        NumericInput::new(value, on_change)
-    }
-
-    #[derive(Debug, Clone)]
-    pub enum Event {
-        InputChanged(String),
-        IncrementPressed,
-        DecrementPressed,
-    }
-
-    impl<Message> NumericInput<Message> {
-        pub fn new(
-            value: Option<u32>,
-            on_change: impl Fn(Option<u32>) -> Message + 'static,
-        ) -> Self {
-            Self {
-                value,
-                on_change: Box::new(on_change),
-            }
-        }
-    }
-
-    impl<Message, Theme> Component<Message, Theme> for NumericInput<Message>
-    where
-        Theme: text::Catalog + button::Catalog + text_input::Catalog + 'static,
-    {
-        type State = ();
-        type Event = Event;
-
-        fn update(
-            &mut self,
-            _state: &mut Self::State,
-            event: Event,
-        ) -> Option<Message> {
-            match event {
-                Event::IncrementPressed => Some((self.on_change)(Some(
-                    self.value.unwrap_or_default().saturating_add(1),
-                ))),
-                Event::DecrementPressed => Some((self.on_change)(Some(
-                    self.value.unwrap_or_default().saturating_sub(1),
-                ))),
-                Event::InputChanged(value) => {
-                    if value.is_empty() {
-                        Some((self.on_change)(None))
-                    } else {
-                        value
-                            .parse()
-                            .ok()
-                            .map(Some)
-                            .map(self.on_change.as_ref())
-                    }
-                }
-            }
-        }
-
-        fn view(&self, _state: &Self::State) -> Element<'_, Event, Theme> {
-            let button = |label, on_press| {
-                button(text(label).width(Fill).height(Fill).center())
-                    .width(40)
-                    .height(40)
-                    .on_press(on_press)
-            };
-
-            row![
-                button("-", Event::DecrementPressed),
-                text_input(
-                    "Type a number",
-                    self.value
-                        .as_ref()
-                        .map(u32::to_string)
-                        .as_deref()
-                        .unwrap_or(""),
-                )
-                .on_input(Event::InputChanged)
-                .padding(10),
-                button("+", Event::IncrementPressed),
-            ]
-            .align_y(Center)
-            .spacing(10)
-            .into()
-        }
-
-        fn size_hint(&self) -> Size<Length> {
-            Size {
-                width: Length::Fill,
-                height: Length::Shrink,
-            }
-        }
-    }
-
-    impl<'a, Message, Theme> From<NumericInput<Message>>
-        for Element<'a, Message, Theme>
-    where
-        Theme: text::Catalog + button::Catalog + text_input::Catalog + 'static,
-        Message: 'a,
-    {
-        fn from(numeric_input: NumericInput<Message>) -> Self {
-            component(numeric_input)
-        }
-    }
-}