Create iced_widget subcrate and re-organize the whole codebase

native/src/renderer.rs

@@ -1,98 +0,0 @@
-//! Write your own renderer.
-#[cfg(debug_assertions)]
-mod null;
-#[cfg(debug_assertions)]
-pub use null::Null;
-
-use crate::layout;
-use crate::{Background, Color, Element, Rectangle, Vector};
-
-/// A component that can be used by widgets to draw themselves on a screen.
-pub trait Renderer: Sized {
-    /// The supported theme of the [`Renderer`].
-    type Theme;
-
-    /// Lays out the elements of a user interface.
-    ///
-    /// You should override this if you need to perform any operations before or
-    /// after layouting. For instance, trimming the measurements cache.
-    fn layout<Message>(
-        &mut self,
-        element: &Element<'_, Message, Self>,
-        limits: &layout::Limits,
-    ) -> layout::Node {
-        element.as_widget().layout(self, limits)
-    }
-
-    /// Draws the primitives recorded in the given closure in a new layer.
-    ///
-    /// The layer will clip its contents to the provided `bounds`.
-    fn with_layer(&mut self, bounds: Rectangle, f: impl FnOnce(&mut Self));
-
-    /// Applies a `translation` to the primitives recorded in the given closure.
-    fn with_translation(
-        &mut self,
-        translation: Vector,
-        f: impl FnOnce(&mut Self),
-    );
-
-    /// Fills a [`Quad`] with the provided [`Background`].
-    fn fill_quad(&mut self, quad: Quad, background: impl Into<Background>);
-
-    /// Clears all of the recorded primitives in the [`Renderer`].
-    fn clear(&mut self);
-}
-
-/// A polygon with four sides.
-#[derive(Debug, Clone, Copy, PartialEq)]
-pub struct Quad {
-    /// The bounds of the [`Quad`].
-    pub bounds: Rectangle,
-
-    /// The border radius of the [`Quad`].
-    pub border_radius: BorderRadius,
-
-    /// The border width of the [`Quad`].
-    pub border_width: f32,
-
-    /// The border color of the [`Quad`].
-    pub border_color: Color,
-}
-
-/// The border radi for the corners of a graphics primitive in the order:
-/// top-left, top-right, bottom-right, bottom-left.
-#[derive(Debug, Clone, Copy, PartialEq, Default)]
-pub struct BorderRadius([f32; 4]);
-
-impl From<f32> for BorderRadius {
-    fn from(w: f32) -> Self {
-        Self([w; 4])
-    }
-}
-
-impl From<[f32; 4]> for BorderRadius {
-    fn from(radi: [f32; 4]) -> Self {
-        Self(radi)
-    }
-}
-
-impl From<BorderRadius> for [f32; 4] {
-    fn from(radi: BorderRadius) -> Self {
-        radi.0
-    }
-}
-
-/// The styling attributes of a [`Renderer`].
-#[derive(Debug, Clone, Copy, PartialEq)]
-pub struct Style {
-    /// The text color
-    pub text_color: Color,
-}
-
-impl Default for Style {
-    fn default() -> Self {
-        Style {
-            text_color: Color::BLACK,
-        }
-    }
-}