a74b6e3a9b
This is a first use of the new hooks system, which allows customizing cosmic-comp at compile-time. In this case, the view() function of CosmicWindow / CosmicStack is hooked and the hook can change what is rendered as the header bar. Signed-off-by: Yureka <yuka@yuka.dev>
47 lines
1.7 KiB
Rust
47 lines
1.7 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-only
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use crate::shell::element::stack::{
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CosmicStackInternal, DefaultDecorations as DefaultStackDecorations, Message as StackMessage,
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};
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use crate::shell::element::window::{
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CosmicWindowInternal, DefaultDecorations as DefaultWindowDecorations, Message as WindowMessage,
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};
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use std::sync::{Arc, OnceLock};
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/// An _unstable_ interface to customize cosmic-comp at compile-time by providing
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/// hooks to be run in specific code paths.
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#[derive(Default, Debug, Clone)]
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pub struct Hooks {
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pub window_decorations:
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Option<Arc<dyn Decorations<CosmicWindowInternal, WindowMessage> + Send + Sync>>,
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pub stack_decorations:
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Option<Arc<dyn Decorations<CosmicStackInternal, StackMessage> + Send + Sync>>,
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}
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pub static HOOKS: OnceLock<Hooks> = OnceLock::new();
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pub trait Decorations<Internal, Message>: std::fmt::Debug {
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fn view(&self, state: &Internal) -> cosmic::Element<'_, Message>;
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}
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impl Decorations<CosmicWindowInternal, WindowMessage>
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for Option<Arc<dyn Decorations<CosmicWindowInternal, WindowMessage> + Send + Sync>>
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{
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fn view(&self, window: &CosmicWindowInternal) -> cosmic::Element<'_, WindowMessage> {
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match self {
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None => DefaultWindowDecorations.view(window),
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Some(deco) => deco.view(window),
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}
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}
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}
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impl Decorations<CosmicStackInternal, StackMessage>
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for Option<Arc<dyn Decorations<CosmicStackInternal, StackMessage> + Send + Sync>>
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{
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fn view(&self, window: &CosmicStackInternal) -> cosmic::Element<'_, StackMessage> {
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match self {
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None => DefaultStackDecorations.view(window),
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Some(deco) => deco.view(window),
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}
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}
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}
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