Val Lorentz
1199dd7613
It's so much faster when getting lots of updates, especially with the 'Added client for' log storm at startup.
40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
/*
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* Copyright (C) 2023 Valentin Lorentz
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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use std::sync::{Arc, Mutex};
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/// Storage for the result of pre-computations by the UI, with interior mutability
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#[derive(Clone)]
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pub(crate) struct PrerenderInner {
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pub(crate) key: u16, // width
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pub(crate) value: PrerenderValue,
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}
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#[derive(Clone)]
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pub(crate) enum PrerenderValue {
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Rendered(ratatui::buffer::Buffer),
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NotRendered(u64), // Height only. The widget was not rendered because off-screen.
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}
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#[derive(Clone)]
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pub struct Prerender(pub(crate) Arc<Mutex<Option<PrerenderInner>>>);
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impl Prerender {
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pub fn new() -> Prerender {
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Prerender(Arc::new(Mutex::new(None)))
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}
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}
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