Create iced_widget subcrate and re-organize the whole codebase

native/src/widget/space.rs

@@ -1,85 +0,0 @@
-//! Distribute content vertically.
-use crate::layout;
-use crate::renderer;
-use crate::widget::Tree;
-use crate::{Element, Layout, Length, Point, Rectangle, Size, Widget};
-
-/// An amount of empty space.
-///
-/// It can be useful if you want to fill some space with nothing.
-#[derive(Debug)]
-pub struct Space {
-    width: Length,
-    height: Length,
-}
-
-impl Space {
-    /// Creates an amount of empty [`Space`] with the given width and height.
-    pub fn new(width: impl Into<Length>, height: impl Into<Length>) -> Self {
-        Space {
-            width: width.into(),
-            height: height.into(),
-        }
-    }
-
-    /// Creates an amount of horizontal [`Space`].
-    pub fn with_width(width: impl Into<Length>) -> Self {
-        Space {
-            width: width.into(),
-            height: Length::Shrink,
-        }
-    }
-
-    /// Creates an amount of vertical [`Space`].
-    pub fn with_height(height: impl Into<Length>) -> Self {
-        Space {
-            width: Length::Shrink,
-            height: height.into(),
-        }
-    }
-}
-
-impl<Message, Renderer> Widget<Message, Renderer> for Space
-where
-    Renderer: crate::Renderer,
-{
-    fn width(&self) -> Length {
-        self.width
-    }
-
-    fn height(&self) -> Length {
-        self.height
-    }
-
-    fn layout(
-        &self,
-        _renderer: &Renderer,
-        limits: &layout::Limits,
-    ) -> layout::Node {
-        let limits = limits.width(self.width).height(self.height);
-
-        layout::Node::new(limits.resolve(Size::ZERO))
-    }
-
-    fn draw(
-        &self,
-        _state: &Tree,
-        _renderer: &mut Renderer,
-        _theme: &Renderer::Theme,
-        _style: &renderer::Style,
-        _layout: Layout<'_>,
-        _cursor_position: Point,
-        _viewport: &Rectangle,
-    ) {
-    }
-}
-
-impl<'a, Message, Renderer> From<Space> for Element<'a, Message, Renderer>
-where
-    Renderer: crate::Renderer,
-    Message: 'a,
-{
-    fn from(space: Space) -> Element<'a, Message, Renderer> {
-        Element::new(space)
-    }
-}