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Unify shader::Program API with canvas::Program

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This commit is contained in:
Héctor Ramón Jiménez 2024-11-04 18:26:46 +01:00
parent 14ec330730
commit 6fc16769c4
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GPG key ID: 4C07CEC81AFA161F
3 changed files with 34 additions and 57 deletions
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14
widget/src/shader/program.rs
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@ -1,7 +1,7 @@
use crate::core::mouse;
use crate::core::{Rectangle, Shell};
use crate::core::Rectangle;
use crate::renderer::wgpu::Primitive;
use crate::shader;
use crate::shader::{self, Action};
/// The state and logic of a [`Shader`] widget.
///
@ -17,10 +17,10 @@ pub trait Program<Message> {
type Primitive: Primitive + 'static;
/// Update the internal [`State`] of the [`Program`]. This can be used to reflect state changes
/// based on mouse & other events. You can use the [`Shell`] to publish messages, request a
/// redraw for the window, etc.
/// based on mouse & other events. You can return an [`Action`] to publish a message, request a
/// redraw, or capture the event.
///
/// By default, this method does and returns nothing.
/// By default, this method returns `None`.
///
/// [`State`]: Self::State
fn update(
@ -29,8 +29,8 @@ pub trait Program<Message> {
_event: shader::Event,
_bounds: Rectangle,
_cursor: mouse::Cursor,
_shell: &mut Shell<'_, Message>,
) {
) -> Option<Action<Message>> {
None
}
/// Draws the [`Primitive`].