diff options
Diffstat (limited to 'native/src/renderer.rs')
-rw-r--r-- | native/src/renderer.rs | 39 |
1 files changed, 11 insertions, 28 deletions
diff --git a/native/src/renderer.rs b/native/src/renderer.rs index d16a0289..a56d7b76 100644 --- a/native/src/renderer.rs +++ b/native/src/renderer.rs @@ -1,8 +1,10 @@ //! Write your own renderer. //! -//! There is not a common entrypoint or trait for a __renderer__ in Iced. -//! Instead, every [`Widget`] constrains its generic `Renderer` type as -//! necessary. +//! You will need to implement the `Renderer` trait first. It simply contains +//! a `Primitive` associated type. +//! +//! There is no common trait to draw all the widgets. Instead, every [`Widget`] +//! constrains its generic `Renderer` type as necessary. //! //! This approach is flexible and composable. For instance, the //! [`Text`] widget only needs a [`text::Renderer`] while a [`Checkbox`] widget @@ -17,32 +19,13 @@ //! [`text::Renderer`]: ../widget/text/trait.Renderer.html //! [`Checkbox`]: ../widget/checkbox/struct.Checkbox.html //! [`checkbox::Renderer`]: ../widget/checkbox/trait.Renderer.html -use crate::{Color, Layout, Point, Widget}; + +mod debugger; +mod windowed; + +pub use debugger::Debugger; +pub use windowed::Windowed; pub trait Renderer { type Primitive; } - -/// A renderer able to graphically explain a [`Layout`]. -/// -/// [`Layout`]: ../struct.Layout.html -pub trait Debugger: Renderer { - /// Explains the [`Layout`] of an [`Element`] for debugging purposes. - /// - /// This will be called when [`Element::explain`] has been used. It should - /// _explain_ the given [`Layout`] graphically. - /// - /// A common approach consists in recursively rendering the bounds of the - /// [`Layout`] and its children. - /// - /// [`Layout`]: struct.Layout.html - /// [`Element`]: struct.Element.html - /// [`Element::explain`]: struct.Element.html#method.explain - fn explain<Message>( - &mut self, - widget: &dyn Widget<Message, Self>, - layout: Layout<'_>, - cursor_position: Point, - color: Color, - ) -> Self::Primitive; -} |