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wip: big flat pt.2: extract engine crate
This commit is contained in:
parent
4a3de618d0
commit
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31 changed files with 1738 additions and 888 deletions
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engine/Cargo.lock
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version = "1.13.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
|
||||
|
||||
[[package]]
|
||||
name = "stability"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d904e7009df136af5297832a3ace3370cd14ff1546a232f4f185036c2736fcac"
|
||||
dependencies = [
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "static_assertions"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
|
||||
|
||||
[[package]]
|
||||
name = "strum"
|
||||
version = "0.26.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
|
||||
dependencies = [
|
||||
"strum_macros",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "strum_macros"
|
||||
version = "0.26.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
|
||||
dependencies = [
|
||||
"heck",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"rustversion",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "2.0.93"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9c786062daee0d6db1132800e623df74274a0a87322d8e183338e01b3d98d058"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tek_engine"
|
||||
version = "0.2.0"
|
||||
dependencies = [
|
||||
"better-panic",
|
||||
"crossterm",
|
||||
"ratatui",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-segmentation"
|
||||
version = "1.12.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-truncate"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b3644627a5af5fa321c95b9b235a72fd24cd29c648c2c379431e6628655627bf"
|
||||
dependencies = [
|
||||
"itertools 0.13.0",
|
||||
"unicode-segmentation",
|
||||
"unicode-width",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-width"
|
||||
version = "0.1.14"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.11.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
|
||||
dependencies = [
|
||||
"windows-targets 0.48.5",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.59.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
|
||||
dependencies = [
|
||||
"windows-targets 0.52.6",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm 0.48.5",
|
||||
"windows_aarch64_msvc 0.48.5",
|
||||
"windows_i686_gnu 0.48.5",
|
||||
"windows_i686_msvc 0.48.5",
|
||||
"windows_x86_64_gnu 0.48.5",
|
||||
"windows_x86_64_gnullvm 0.48.5",
|
||||
"windows_x86_64_msvc 0.48.5",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm 0.52.6",
|
||||
"windows_aarch64_msvc 0.52.6",
|
||||
"windows_i686_gnu 0.52.6",
|
||||
"windows_i686_gnullvm",
|
||||
"windows_i686_msvc 0.52.6",
|
||||
"windows_x86_64_gnu 0.52.6",
|
||||
"windows_x86_64_gnullvm 0.52.6",
|
||||
"windows_x86_64_msvc 0.52.6",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
9
engine/Cargo.toml
Normal file
9
engine/Cargo.toml
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
[package]
|
||||
name = "tek_engine"
|
||||
edition = "2021"
|
||||
version = "0.2.0"
|
||||
|
||||
[dependencies]
|
||||
crossterm = "0.27"
|
||||
ratatui = { version = "0.26.3", features = [ "unstable-widget-ref", "underline-color" ] }
|
||||
better-panic = "0.3.0"
|
||||
27
engine/src/component.rs
Normal file
27
engine/src/component.rs
Normal file
|
|
@ -0,0 +1,27 @@
|
|||
use crate::*;
|
||||
|
||||
/// A UI component that can render itself as a [Render], and [Handle] input.
|
||||
pub trait Component<E: Engine>: Render<E> + Handle<E> {}
|
||||
|
||||
/// Everything that implements [Render] and [Handle] is a [Component].
|
||||
impl<E: Engine, C: Render<E> + Handle<E>> Component<E> for C {}
|
||||
|
||||
/// A component that can exit.
|
||||
pub trait Exit: Send {
|
||||
//fn exited (&self) -> bool;
|
||||
//fn exit (&mut self);
|
||||
//fn boxed (self) -> Box<dyn Exit> where Self: Sized + 'static {
|
||||
//Box::new(self)
|
||||
//}
|
||||
}
|
||||
|
||||
/// Marker trait for [Component]s that can [Exit].
|
||||
pub trait ExitableComponent<E>: Exit + Component<E> where E: Engine {
|
||||
///// Perform type erasure for collecting heterogeneous components.
|
||||
//fn boxed (self) -> Box<dyn ExitableComponent<E>> where Self: Sized + 'static {
|
||||
//Box::new(self)
|
||||
//}
|
||||
}
|
||||
|
||||
/// All [Components]s that implement [Exit] implement [ExitableComponent].
|
||||
impl<E: Engine, C: Component<E> + Exit> ExitableComponent<E> for C {}
|
||||
80
engine/src/engine.rs
Normal file
80
engine/src/engine.rs
Normal file
|
|
@ -0,0 +1,80 @@
|
|||
use crate::*;
|
||||
use std::fmt::{Debug, Display};
|
||||
use std::ops::{Add, Sub, Mul, Div};
|
||||
|
||||
/// Platform backend.
|
||||
pub trait Engine: Send + Sync + Sized {
|
||||
/// Input event type
|
||||
type Input: Input<Self>;
|
||||
/// Result of handling input
|
||||
type Handled;
|
||||
/// Render target
|
||||
type Output: Output<Self>;
|
||||
/// Unit of length
|
||||
type Unit: Coordinate;
|
||||
/// Rectangle without offset
|
||||
type Size: Size<Self::Unit> + From<[Self::Unit;2]> + Debug + Copy;
|
||||
/// Rectangle with offset
|
||||
type Area: Area<Self::Unit> + From<[Self::Unit;4]> + Debug + Copy;
|
||||
/// Prepare before run
|
||||
fn setup (&mut self) -> Usually<()> { Ok(()) }
|
||||
/// True if done
|
||||
fn exited (&self) -> bool;
|
||||
/// Clean up after run
|
||||
fn teardown (&mut self) -> Usually<()> { Ok(()) }
|
||||
}
|
||||
|
||||
/// A linear coordinate.
|
||||
pub trait Coordinate: Send + Sync + Copy
|
||||
+ Add<Self, Output=Self>
|
||||
+ Sub<Self, Output=Self>
|
||||
+ Mul<Self, Output=Self>
|
||||
+ Div<Self, Output=Self>
|
||||
+ Ord + PartialEq + Eq
|
||||
+ Debug + Display + Default
|
||||
+ From<u16> + Into<u16>
|
||||
+ Into<usize>
|
||||
+ Into<f64>
|
||||
{
|
||||
fn minus (self, other: Self) -> Self {
|
||||
if self >= other {
|
||||
self - other
|
||||
} else {
|
||||
0.into()
|
||||
}
|
||||
}
|
||||
fn zero () -> Self {
|
||||
0.into()
|
||||
}
|
||||
}
|
||||
|
||||
pub trait Size<N: Coordinate> {
|
||||
fn x (&self) -> N;
|
||||
fn y (&self) -> N;
|
||||
#[inline] fn w (&self) -> N { self.x() }
|
||||
#[inline] fn h (&self) -> N { self.y() }
|
||||
#[inline] fn wh (&self) -> [N;2] { [self.x(), self.y()] }
|
||||
#[inline] fn clip_w (&self, w: N) -> [N;2] { [self.w().min(w), self.h()] }
|
||||
#[inline] fn clip_h (&self, h: N) -> [N;2] { [self.w(), self.h().min(h)] }
|
||||
#[inline] fn expect_min (&self, w: N, h: N) -> Usually<&Self> {
|
||||
if self.w() < w || self.h() < h {
|
||||
Err(format!("min {w}x{h}").into())
|
||||
} else {
|
||||
Ok(self)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub trait Area<N: Coordinate>: Copy {
|
||||
fn x (&self) -> N;
|
||||
fn y (&self) -> N;
|
||||
fn w (&self) -> N;
|
||||
fn h (&self) -> N;
|
||||
#[inline] fn expect_min (&self, w: N, h: N) -> Usually<&Self> {
|
||||
if self.w() < w || self.h() < h {
|
||||
Err(format!("min {w}x{h}").into())
|
||||
} else {
|
||||
Ok(self)
|
||||
}
|
||||
}
|
||||
}
|
||||
69
engine/src/input.rs
Normal file
69
engine/src/input.rs
Normal file
|
|
@ -0,0 +1,69 @@
|
|||
use crate::*;
|
||||
use std::sync::{Arc, Mutex, RwLock};
|
||||
|
||||
/// Current input state
|
||||
pub trait Input<E: Engine> {
|
||||
/// Type of input event
|
||||
type Event;
|
||||
/// Currently handled event
|
||||
fn event (&self) -> &Self::Event;
|
||||
/// Whether component should exit
|
||||
fn is_done (&self) -> bool;
|
||||
/// Mark component as done
|
||||
fn done (&self);
|
||||
}
|
||||
|
||||
#[macro_export] macro_rules! handle {
|
||||
(<$E:ty>|$self:ident:$Struct:ty,$input:ident|$handler:expr) => {
|
||||
impl Handle<$E> for $Struct {
|
||||
fn handle (&mut $self, $input: &<$E as Engine>::Input) -> Perhaps<<$E as Engine>::Handled> {
|
||||
$handler
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Handle input
|
||||
pub trait Handle<E: Engine>: Send + Sync {
|
||||
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled>;
|
||||
}
|
||||
|
||||
impl<E: Engine, H: Handle<E>> Handle<E> for &mut H {
|
||||
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled> {
|
||||
(*self).handle(context)
|
||||
}
|
||||
}
|
||||
|
||||
impl<E: Engine, H: Handle<E>> Handle<E> for Option<H> {
|
||||
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled> {
|
||||
if let Some(ref mut handle) = self {
|
||||
handle.handle(context)
|
||||
} else {
|
||||
Ok(None)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<H, E: Engine> Handle<E> for Mutex<H> where H: Handle<E> {
|
||||
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled> {
|
||||
self.get_mut().unwrap().handle(context)
|
||||
}
|
||||
}
|
||||
|
||||
impl<H, E: Engine> Handle<E> for Arc<Mutex<H>> where H: Handle<E> {
|
||||
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled> {
|
||||
self.lock().unwrap().handle(context)
|
||||
}
|
||||
}
|
||||
|
||||
impl<H, E: Engine> Handle<E> for RwLock<H> where H: Handle<E> {
|
||||
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled> {
|
||||
self.write().unwrap().handle(context)
|
||||
}
|
||||
}
|
||||
|
||||
impl<H, E: Engine> Handle<E> for Arc<RwLock<H>> where H: Handle<E> {
|
||||
fn handle (&mut self, context: &E::Input) -> Perhaps<E::Handled> {
|
||||
self.write().unwrap().handle(context)
|
||||
}
|
||||
}
|
||||
62
engine/src/lib.rs
Normal file
62
engine/src/lib.rs
Normal file
|
|
@ -0,0 +1,62 @@
|
|||
mod component; pub use self::component::*;
|
||||
mod engine; pub use self::engine::*;
|
||||
mod input; pub use self::input::*;
|
||||
mod output; pub use self::output::*;
|
||||
mod tui; pub use self::tui::*;
|
||||
|
||||
pub use std::error::Error;
|
||||
|
||||
/// Standard result type.
|
||||
pub type Usually<T> = Result<T, Box<dyn Error>>;
|
||||
|
||||
/// Standard optional result type.
|
||||
pub type Perhaps<T> = Result<Option<T>, Box<dyn Error>>;
|
||||
|
||||
#[cfg(test)] #[test] fn test_stub_engine () -> Usually<()> {
|
||||
struct TestEngine(bool);
|
||||
struct TestInput(bool);
|
||||
struct TestOutput([u16;4]);
|
||||
enum TestEvent { Test1 }
|
||||
impl Engine for TestEngine {
|
||||
type Input = TestInput;
|
||||
type Handled = ();
|
||||
type Output = TestOutput;
|
||||
type Unit = u16;
|
||||
type Size = [u16;2];
|
||||
type Area = [u16;4];
|
||||
fn exited (&self) -> bool {
|
||||
self.0
|
||||
}
|
||||
}
|
||||
impl Input<TestEngine> for TestInput {
|
||||
type Event = TestEvent;
|
||||
fn event (&self) -> &Self::Event {
|
||||
&TestEvent::Test1
|
||||
}
|
||||
fn is_done (&self) -> bool {
|
||||
self.0
|
||||
}
|
||||
fn done (&self) {}
|
||||
}
|
||||
impl Output<TestEngine> for TestOutput {
|
||||
fn area (&self) -> [u16;4] {
|
||||
self.0
|
||||
}
|
||||
fn area_mut (&mut self) -> &mut [u16;4] {
|
||||
&mut self.0
|
||||
}
|
||||
fn render_in (&mut self, _: [u16;4], _: &dyn Render<TestEngine>) -> Usually<()> {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
impl Render<TestEngine> for String {
|
||||
fn min_size (&self, _: [u16;2]) -> Perhaps<[u16;2]> {
|
||||
Ok(Some([self.len() as u16, 1]))
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
#[cfg(test)] #[test] fn test_tui_engine () -> Usually<()> {
|
||||
Ok(())
|
||||
}
|
||||
272
engine/src/output.rs
Normal file
272
engine/src/output.rs
Normal file
|
|
@ -0,0 +1,272 @@
|
|||
use crate::*;
|
||||
use std::sync::{Arc, Mutex, RwLock};
|
||||
|
||||
/// Rendering target
|
||||
pub trait Output<E: Engine> {
|
||||
/// Current output area
|
||||
fn area (&self) -> E::Area;
|
||||
/// Mutable pointer to area
|
||||
fn area_mut (&mut self) -> &mut E::Area;
|
||||
/// Render widget in area
|
||||
fn render_in (&mut self, area: E::Area, widget: &dyn Render<E>) -> Usually<()>;
|
||||
}
|
||||
|
||||
/// Write content to output buffer.
|
||||
pub trait Render<E: Engine>: Send + Sync {
|
||||
/// Minimum size to use
|
||||
fn min_size (&self, _: E::Size) -> Perhaps<E::Size> {
|
||||
Ok(None)
|
||||
}
|
||||
/// Draw to output render target
|
||||
fn render (&self, _: &mut E::Output) -> Usually<()> {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
impl<E: Engine> Render<E> for &dyn Render<E> {}
|
||||
impl<E: Engine> Render<E> for &mut dyn Render<E> {}
|
||||
impl<E: Engine> Render<E> for Box<dyn Render<E>> {}
|
||||
impl<E: Engine, R: Render<E>> Render<E> for &R {}
|
||||
impl<E: Engine, R: Render<E>> Render<E> for &mut R {}
|
||||
impl<E: Engine, R: Render<E>> Render<E> for Option<R> {}
|
||||
impl<E: Engine, R: Render<E>> Render<E> for Arc<R> {}
|
||||
impl<E: Engine, R: Render<E>> Render<E> for Mutex<R> {}
|
||||
impl<E: Engine, R: Render<E>> Render<E> for RwLock<R> {}
|
||||
|
||||
/// Something that can be represented by a renderable component.
|
||||
pub trait Content<E: Engine>: Render<E> + Send + Sync {
|
||||
fn content (&self) -> Option<impl Render<E>> where (): Render<E> {
|
||||
None::<()>
|
||||
}
|
||||
}
|
||||
|
||||
impl<E: Engine> Content<E> for &dyn Render<E> {}
|
||||
impl<E: Engine> Content<E> for &mut dyn Render<E> {}
|
||||
impl<E: Engine> Content<E> for Box<dyn Render<E>> {}
|
||||
impl<E: Engine, C: Content<E>> Content<E> for &C {}
|
||||
impl<E: Engine, C: Content<E>> Content<E> for &mut C {}
|
||||
impl<E: Engine, C: Content<E>> Content<E> for Option<C> {}
|
||||
impl<E: Engine, C: Content<E>> Content<E> for Arc<C> {}
|
||||
impl<E: Engine, C: Content<E>> Content<E> for Mutex<C> {}
|
||||
impl<E: Engine, C: Content<E>> Content<E> for RwLock<C> {}
|
||||
|
||||
/****
|
||||
|
||||
|
||||
impl<E: Engine, R: Render<E> + Send + Sync> Content<E> for R {}
|
||||
|
||||
//impl<E: Engine, R: Render<E>> Content<E> for R {
|
||||
//fn content (&self) -> Option<impl Render<E>> {
|
||||
//Some(self)
|
||||
//}
|
||||
//}
|
||||
|
||||
/// All implementors of [Content] can be [Render]ed.
|
||||
impl<E: Engine, C: Content<E>> Render<E> for C {
|
||||
/// Minimum size to use
|
||||
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
self.content().map(|content|content.min_size(to))
|
||||
.unwrap_or(Ok(None))
|
||||
}
|
||||
/// Draw to output render target
|
||||
fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
self.content().map(|content|content.render(to))
|
||||
.unwrap_or(Ok(()))
|
||||
}
|
||||
}
|
||||
|
||||
//impl<E: Engine, C: Content<E>> Content<E> for &C {
|
||||
//fn content (&self) -> Option<impl Render<E>> {
|
||||
//Some(self)
|
||||
//}
|
||||
//}
|
||||
|
||||
//impl<E: Engine, C: Content<E>> Content<E> for Option<C> {
|
||||
//fn content (&self) -> Option<impl Render<E>> {
|
||||
//Some(self)
|
||||
//}
|
||||
//}
|
||||
|
||||
|
||||
/// Define custom content for a struct.
|
||||
#[macro_export] macro_rules! render {
|
||||
|
||||
// Implement for all engines
|
||||
(|$self:ident:$Struct:ident$(<$($L:lifetime),*E$(,$T:ident$(:$U:path)?)*$(,)?>)?|$cb:expr) => {
|
||||
impl<E: Engine, $($($L),*$($T $(: $U)?),*)?> Content<E> for $Struct $(<$($L,)* E, $($T),*>)? {
|
||||
fn content (&$self) -> Option<impl Render<$E>> {
|
||||
Some($cb)
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// Implement for a specific engine
|
||||
(<$E:ty>|$self:ident:$Struct:ident$(<
|
||||
$($($L:lifetime),+)?
|
||||
$($($T:ident$(:$U:path)?),+)?
|
||||
>)?|$cb:expr) => {
|
||||
impl $(<
|
||||
$($($L),+)?
|
||||
$($($T$(:$U)?),+)?
|
||||
>)? Content<$E> for $Struct $(<
|
||||
$($($L),+)?
|
||||
$($($T),+)?
|
||||
>)? {
|
||||
fn content (&$self) -> Option<impl Render<$E>> {
|
||||
Some($cb)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
impl<E: Engine, R: Render<E>> Render<E> for &R {
|
||||
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
(*self).min_size(to)
|
||||
}
|
||||
fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
(*self).render(to)
|
||||
}
|
||||
}
|
||||
|
||||
impl<E: Engine, R: Render<E>> Render<E> for Option<R> {
|
||||
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
self.map(|content|content.min_size(to))
|
||||
.unwrap_or(Ok(None))
|
||||
}
|
||||
fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
self.map(|content|content.render(to))
|
||||
.unwrap_or(Ok(()))
|
||||
}
|
||||
}
|
||||
|
||||
//impl<E: Engine> Render<E> for &dyn Render<E> {
|
||||
//fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
//(*self).min_size(to)
|
||||
//}
|
||||
//fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
//(*self).render(to)
|
||||
//}
|
||||
//}
|
||||
|
||||
//impl<E: Engine> Render<E> for &mut dyn Render<E> {
|
||||
//fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
//(*self).min_size(to)
|
||||
//}
|
||||
//fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
//(*self).render(to)
|
||||
//}
|
||||
//}
|
||||
|
||||
//impl<E: Engine> Render<E> for Box<dyn Render<E> + '_> {
|
||||
//fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
//(**self).min_size(to)
|
||||
//}
|
||||
//fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
//(**self).render(to)
|
||||
//}
|
||||
//}
|
||||
|
||||
//impl<E: Engine, W: Render<E>> Render<E> for Arc<W> {
|
||||
//fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
//self.as_ref().min_size(to)
|
||||
//}
|
||||
//fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
//self.as_ref().render(to)
|
||||
//}
|
||||
//}
|
||||
|
||||
//impl<E: Engine, W: Render<E>> Render<E> for Mutex<W> {
|
||||
//fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
//self.lock().unwrap().min_size(to)
|
||||
//}
|
||||
//fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
//self.lock().unwrap().render(to)
|
||||
//}
|
||||
//}
|
||||
|
||||
//impl<E: Engine, W: Render<E>> Render<E> for RwLock<W> {
|
||||
//fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
//self.read().unwrap().min_size(to)
|
||||
//}
|
||||
//fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
//self.read().unwrap().render(to)
|
||||
//}
|
||||
//}
|
||||
|
||||
//impl<E: Engine, W: Render<E>> Render<E> for Option<W> {
|
||||
//fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
//Ok(self.as_ref().map(|widget|widget.min_size(to)).transpose()?.flatten())
|
||||
//}
|
||||
//fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
//self.as_ref().map(|widget|widget.render(to)).unwrap_or(Ok(()))
|
||||
//}
|
||||
//}
|
||||
|
||||
/// Cast to dynamic pointer
|
||||
pub fn widget <E, T> (w: &T) -> &dyn Render<E>
|
||||
where E: Engine, T: Render<E>
|
||||
{
|
||||
w as &dyn Render<E>
|
||||
}
|
||||
|
||||
/// Ad-hoc widget with custom rendering.
|
||||
pub fn render <E, F> (render: F) -> impl Render<E>
|
||||
where E: Engine, F: Fn(&mut E::Output)->Usually<()>+Send+Sync
|
||||
{
|
||||
Widget::new(|_|Ok(Some([0.into(),0.into()].into())), render)
|
||||
}
|
||||
|
||||
/// A custom [Render] defined by passing layout and render closures in place.
|
||||
pub struct Widget<
|
||||
E: Engine,
|
||||
L: Send + Sync + Fn(E::Size)->Perhaps<E::Size>,
|
||||
R: Send + Sync + Fn(&mut E::Output)->Usually<()>
|
||||
>(L, R, PhantomData<E>);
|
||||
|
||||
impl<
|
||||
E: Engine,
|
||||
L: Send + Sync + Fn(E::Size)->Perhaps<E::Size>,
|
||||
R: Send + Sync + Fn(&mut E::Output)->Usually<()>
|
||||
> Widget<E, L, R> {
|
||||
pub fn new (layout: L, render: R) -> Self {
|
||||
Self(layout, render, Default::default())
|
||||
}
|
||||
}
|
||||
|
||||
impl<
|
||||
E: Engine,
|
||||
L: Send + Sync + Fn(E::Size)->Perhaps<E::Size>,
|
||||
R: Send + Sync + Fn(&mut E::Output)->Usually<()>
|
||||
> Render<E> for Widget<E, L, R> {
|
||||
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
|
||||
self.0(to)
|
||||
}
|
||||
fn render (&self, to: &mut E::Output) -> Usually<()> {
|
||||
self.1(to)
|
||||
}
|
||||
}
|
||||
|
||||
/// Has static methods for conditional rendering,
|
||||
/// in unary and binary forms.
|
||||
pub struct Cond;
|
||||
|
||||
impl Cond {
|
||||
/// Render `item` when `cond` is true.
|
||||
pub fn when <E: Engine, A: Render<E>> (cond: bool, item: A) -> When<E, A> {
|
||||
When(cond, item, Default::default())
|
||||
}
|
||||
/// Render `item` if `cond` is true, otherwise render `other`.
|
||||
pub fn either <E: Engine, A: Render<E>, B: Render<E>> (cond: bool, item: A, other: B) -> Either<E, A, B> {
|
||||
Either(cond, item, other, Default::default())
|
||||
}
|
||||
}
|
||||
|
||||
/// Renders `self.1` when `self.0` is true.
|
||||
pub struct When<E: Engine, A: Render<E>>(bool, A, PhantomData<E>);
|
||||
|
||||
/// Renders `self.1` when `self.0` is true, otherwise renders `self.2`
|
||||
pub struct Either<E: Engine, A: Render<E>, B: Render<E>>(bool, A, B, PhantomData<E>);
|
||||
|
||||
|
||||
**/
|
||||
440
engine/src/tui.rs
Normal file
440
engine/src/tui.rs
Normal file
|
|
@ -0,0 +1,440 @@
|
|||
use crate::*;
|
||||
use std::sync::{Arc, RwLock, atomic::{AtomicBool, Ordering::*}};
|
||||
use std::io::{stdout, Stdout};
|
||||
use std::time::Duration;
|
||||
use std::thread::{spawn, JoinHandle};
|
||||
|
||||
pub use ::better_panic;
|
||||
pub(crate) use better_panic::{Settings, Verbosity};
|
||||
|
||||
pub use ::crossterm;
|
||||
pub(crate) use crossterm::{
|
||||
ExecutableCommand,
|
||||
event::*,
|
||||
terminal::{EnterAlternateScreen, LeaveAlternateScreen, enable_raw_mode, disable_raw_mode},
|
||||
event::{KeyCode, KeyModifiers, KeyEvent, KeyEventKind, KeyEventState},
|
||||
};
|
||||
|
||||
pub use ::ratatui;
|
||||
pub(crate) use ratatui::{
|
||||
prelude::{Color, Style, Buffer},
|
||||
style::Modifier,
|
||||
backend::{Backend, CrosstermBackend, ClearType},
|
||||
buffer::Cell
|
||||
};
|
||||
|
||||
impl Coordinate for u16 {}
|
||||
|
||||
impl Size<u16> for [u16;2] {
|
||||
fn x (&self) -> u16 { self[0] }
|
||||
fn y (&self) -> u16 { self[1] }
|
||||
}
|
||||
|
||||
impl Area<u16> for [u16;4] {
|
||||
fn x (&self) -> u16 { self[0] }
|
||||
fn y (&self) -> u16 { self[1] }
|
||||
fn w (&self) -> u16 { self[2] }
|
||||
fn h (&self) -> u16 { self[3] }
|
||||
}
|
||||
|
||||
pub struct Tui {
|
||||
pub exited: Arc<AtomicBool>,
|
||||
pub buffer: Buffer,
|
||||
pub backend: CrosstermBackend<Stdout>,
|
||||
pub area: [u16;4], // FIXME auto resize
|
||||
}
|
||||
|
||||
impl Engine for Tui {
|
||||
type Unit = u16;
|
||||
type Size = [Self::Unit;2];
|
||||
type Area = [Self::Unit;4];
|
||||
type Input = TuiInput;
|
||||
type Handled = bool;
|
||||
type Output = TuiOutput;
|
||||
fn exited (&self) -> bool {
|
||||
self.exited.fetch_and(true, Relaxed)
|
||||
}
|
||||
fn setup (&mut self) -> Usually<()> {
|
||||
let better_panic_handler = Settings::auto().verbosity(Verbosity::Full).create_panic_handler();
|
||||
std::panic::set_hook(Box::new(move |info: &std::panic::PanicHookInfo|{
|
||||
stdout().execute(LeaveAlternateScreen).unwrap();
|
||||
CrosstermBackend::new(stdout()).show_cursor().unwrap();
|
||||
disable_raw_mode().unwrap();
|
||||
better_panic_handler(info);
|
||||
}));
|
||||
stdout().execute(EnterAlternateScreen)?;
|
||||
self.backend.hide_cursor()?;
|
||||
enable_raw_mode().map_err(Into::into)
|
||||
}
|
||||
fn teardown (&mut self) -> Usually<()> {
|
||||
stdout().execute(LeaveAlternateScreen)?;
|
||||
self.backend.show_cursor()?;
|
||||
disable_raw_mode().map_err(Into::into)
|
||||
}
|
||||
}
|
||||
|
||||
impl Tui {
|
||||
/// Run the main loop.
|
||||
pub fn run <R: Component<Tui> + Sized + 'static> (
|
||||
state: Arc<RwLock<R>>
|
||||
) -> Usually<Arc<RwLock<R>>> {
|
||||
let backend = CrosstermBackend::new(stdout());
|
||||
let area = backend.size()?;
|
||||
let engine = Self {
|
||||
exited: Arc::new(AtomicBool::new(false)),
|
||||
buffer: Buffer::empty(area),
|
||||
area: [area.x, area.y, area.width, area.height],
|
||||
backend,
|
||||
};
|
||||
let engine = Arc::new(RwLock::new(engine));
|
||||
let _input_thread = Self::spawn_input_thread(&engine, &state, Duration::from_millis(100));
|
||||
engine.write().unwrap().setup()?;
|
||||
let render_thread = Self::spawn_render_thread(&engine, &state, Duration::from_millis(10));
|
||||
render_thread.join().expect("main thread failed");
|
||||
engine.write().unwrap().teardown()?;
|
||||
Ok(state)
|
||||
}
|
||||
fn spawn_input_thread <R: Component<Tui> + Sized + 'static> (
|
||||
engine: &Arc<RwLock<Self>>, state: &Arc<RwLock<R>>, poll: Duration
|
||||
) -> JoinHandle<()> {
|
||||
let exited = engine.read().unwrap().exited.clone();
|
||||
let state = state.clone();
|
||||
spawn(move || loop {
|
||||
if exited.fetch_and(true, Relaxed) {
|
||||
break
|
||||
}
|
||||
if ::crossterm::event::poll(poll).is_ok() {
|
||||
let event = TuiEvent::Input(::crossterm::event::read().unwrap());
|
||||
match event {
|
||||
key_pat!(Ctrl-KeyCode::Char('c')) => {
|
||||
exited.store(true, Relaxed);
|
||||
},
|
||||
_ => {
|
||||
let exited = exited.clone();
|
||||
if let Err(e) = state.write().unwrap().handle(&TuiInput { event, exited }) {
|
||||
panic!("{e}")
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
})
|
||||
}
|
||||
fn spawn_render_thread <R: Component<Tui> + Sized + 'static> (
|
||||
engine: &Arc<RwLock<Self>>, state: &Arc<RwLock<R>>, sleep: Duration
|
||||
) -> JoinHandle<()> {
|
||||
let exited = engine.read().unwrap().exited.clone();
|
||||
let engine = engine.clone();
|
||||
let state = state.clone();
|
||||
let size = engine.read().unwrap().backend.size().expect("get size failed");
|
||||
let mut buffer = Buffer::empty(size);
|
||||
spawn(move || loop {
|
||||
if exited.fetch_and(true, Relaxed) {
|
||||
break
|
||||
}
|
||||
let size = engine.read().unwrap().backend.size()
|
||||
.expect("get size failed");
|
||||
if let Ok(state) = state.try_read() {
|
||||
if buffer.area != size {
|
||||
engine.write().unwrap().backend.clear_region(ClearType::All)
|
||||
.expect("clear failed");
|
||||
buffer.resize(size);
|
||||
buffer.reset();
|
||||
}
|
||||
let mut output = TuiOutput {
|
||||
buffer,
|
||||
area: [size.x, size.y, size.width, size.height]
|
||||
};
|
||||
state.render(&mut output).expect("render failed");
|
||||
buffer = engine.write().unwrap().flip(output.buffer, size);
|
||||
}
|
||||
std::thread::sleep(sleep);
|
||||
})
|
||||
}
|
||||
fn flip (&mut self, mut buffer: Buffer, size: ratatui::prelude::Rect) -> Buffer {
|
||||
if self.buffer.area != size {
|
||||
self.backend.clear_region(ClearType::All).unwrap();
|
||||
self.buffer.resize(size);
|
||||
self.buffer.reset();
|
||||
}
|
||||
let updates = self.buffer.diff(&buffer);
|
||||
self.backend.draw(updates.into_iter()).expect("failed to render");
|
||||
self.backend.flush().expect("failed to flush output buffer");
|
||||
std::mem::swap(&mut self.buffer, &mut buffer);
|
||||
buffer.reset();
|
||||
buffer
|
||||
}
|
||||
}
|
||||
|
||||
pub struct TuiInput {
|
||||
pub(crate) exited: Arc<AtomicBool>,
|
||||
pub(crate) event: TuiEvent,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
pub enum TuiEvent {
|
||||
/// Terminal input
|
||||
Input(Event),
|
||||
}
|
||||
|
||||
impl Input<Tui> for TuiInput {
|
||||
type Event = TuiEvent;
|
||||
fn event (&self) -> &TuiEvent {
|
||||
&self.event
|
||||
}
|
||||
fn is_done (&self) -> bool {
|
||||
self.exited.fetch_and(true, Relaxed)
|
||||
}
|
||||
fn done (&self) {
|
||||
self.exited.store(true, Relaxed);
|
||||
}
|
||||
}
|
||||
|
||||
#[macro_export] macro_rules! key_pat {
|
||||
(Ctrl-Alt-$code:pat) => { key_event_pat!($code, KeyModifiers::CONTROL | KeyModifiers::ALT) };
|
||||
(Ctrl-$code:pat) => { key_event_pat!($code, KeyModifiers::CONTROL) };
|
||||
(Alt-$code:pat) => { key_event_pat!($code, KeyModifiers::ALT) };
|
||||
(Shift-$code:pat) => { key_event_pat!($code, KeyModifiers::SHIFT) };
|
||||
($code:pat) => { TuiEvent::Input(crossterm::event::Event::Key(KeyEvent {
|
||||
code: $code,
|
||||
modifiers: KeyModifiers::NONE,
|
||||
kind: KeyEventKind::Press,
|
||||
state: KeyEventState::NONE
|
||||
})) };
|
||||
}
|
||||
|
||||
#[macro_export] macro_rules! key_event_pat {
|
||||
($code:pat) => {
|
||||
TuiEvent::Input(crossterm::event::Event::Key(KeyEvent {
|
||||
code: $code,
|
||||
modifiers: KeyModifiers::NONE,
|
||||
kind: KeyEventKind::Press,
|
||||
state: KeyEventState::NONE
|
||||
}))
|
||||
};
|
||||
($code:pat, $modifiers: pat) => {
|
||||
TuiEvent::Input(crossterm::event::Event::Key(KeyEvent {
|
||||
code: $code,
|
||||
modifiers: $modifiers,
|
||||
kind: KeyEventKind::Press,
|
||||
state: KeyEventState::NONE
|
||||
}))
|
||||
};
|
||||
}
|
||||
|
||||
#[macro_export] macro_rules! kexp {
|
||||
(Ctrl-Alt-$code:ident) => { key_event_expr!($code, KeyModifiers::from_bits(0b0000_0110).unwrap()) };
|
||||
(Ctrl-$code:ident) => { key_event_expr!($code, KeyModifiers::CONTROL) };
|
||||
(Alt-$code:ident) => { key_event_expr!($code, KeyModifiers::ALT) };
|
||||
(Shift-$code:ident) => { key_event_expr!($code, KeyModifiers::SHIFT) };
|
||||
($code:ident) => { key_event_expr!($code) };
|
||||
($code:expr) => { key_event_expr!($code) };
|
||||
}
|
||||
|
||||
#[macro_export] macro_rules! key_expr {
|
||||
(Ctrl-Alt-$code:ident) => { key_event_expr!($code, KeyModifiers::CONTROL | KeyModifiers::ALT) };
|
||||
(Ctrl-$code:ident) => { key_event_expr!($code, KeyModifiers::CONTROL) };
|
||||
(Alt-$code:ident) => { key_event_expr!($code, KeyModifiers::ALT) };
|
||||
(Shift-$code:ident) => { key_event_expr!($code, KeyModifiers::SHIFT) };
|
||||
($code:ident) => { key_event_expr!($code) };
|
||||
}
|
||||
|
||||
#[macro_export] macro_rules! key_event_expr {
|
||||
($code:expr, $modifiers: expr) => {
|
||||
TuiEvent::Input(crossterm::event::Event::Key(KeyEvent {
|
||||
code: $code,
|
||||
modifiers: $modifiers,
|
||||
kind: KeyEventKind::Press,
|
||||
state: KeyEventState::NONE
|
||||
}))
|
||||
};
|
||||
($code:expr) => {
|
||||
TuiEvent::Input(crossterm::event::Event::Key(KeyEvent {
|
||||
code: $code,
|
||||
modifiers: KeyModifiers::NONE,
|
||||
kind: KeyEventKind::Press,
|
||||
state: KeyEventState::NONE
|
||||
}))
|
||||
};
|
||||
}
|
||||
|
||||
/*
|
||||
/// Define a key
|
||||
pub const fn key (code: KeyCode) -> KeyEvent {
|
||||
let modifiers = KeyModifiers::NONE;
|
||||
let kind = KeyEventKind::Press;
|
||||
let state = KeyEventState::NONE;
|
||||
KeyEvent { code, modifiers, kind, state }
|
||||
}
|
||||
|
||||
/// Add Ctrl modifier to key
|
||||
pub const fn ctrl (key: KeyEvent) -> KeyEvent {
|
||||
KeyEvent { modifiers: key.modifiers.union(KeyModifiers::CONTROL), ..key }
|
||||
}
|
||||
|
||||
/// Add Alt modifier to key
|
||||
pub const fn alt (key: KeyEvent) -> KeyEvent {
|
||||
KeyEvent { modifiers: key.modifiers.union(KeyModifiers::ALT), ..key }
|
||||
}
|
||||
|
||||
/// Add Shift modifier to key
|
||||
pub const fn shift (key: KeyEvent) -> KeyEvent {
|
||||
KeyEvent { modifiers: key.modifiers.union(KeyModifiers::SHIFT), ..key }
|
||||
}
|
||||
|
||||
/// Define a keymap
|
||||
#[macro_export] macro_rules! keymap {
|
||||
($T:ty { $([$k:ident $(($char:literal))?, $m:ident, $n: literal, $d: literal, $f: expr]),* $(,)? }) => {
|
||||
&[
|
||||
$((KeyCode::$k $(($char))?, KeyModifiers::$m, $n, $d, &$f as KeyHandler<$T>)),*
|
||||
] as &'static [KeyBinding<$T>]
|
||||
}
|
||||
}
|
||||
|
||||
*/
|
||||
|
||||
/*
|
||||
|
||||
impl TuiInput {
|
||||
// TODO remove
|
||||
pub fn handle_keymap <T> (&self, state: &mut T, keymap: &KeyMap<T>) -> Usually<bool> {
|
||||
match self.event() {
|
||||
TuiEvent::Input(Key(event)) => {
|
||||
for (code, modifiers, _, _, command) in keymap.iter() {
|
||||
if *code == event.code && modifiers.bits() == event.modifiers.bits() {
|
||||
return command(state)
|
||||
}
|
||||
}
|
||||
},
|
||||
_ => {}
|
||||
};
|
||||
Ok(false)
|
||||
}
|
||||
}
|
||||
|
||||
pub type KeyHandler<T> = &'static dyn Fn(&mut T)->Usually<bool>;
|
||||
|
||||
pub type KeyBinding<T> = (KeyCode, KeyModifiers, &'static str, &'static str, KeyHandler<T>);
|
||||
|
||||
pub type KeyMap<T> = [KeyBinding<T>];
|
||||
|
||||
*/
|
||||
|
||||
pub struct TuiOutput {
|
||||
pub buffer: Buffer,
|
||||
pub area: [u16;4]
|
||||
}
|
||||
|
||||
impl Output<Tui> for TuiOutput {
|
||||
#[inline] fn area (&self) -> [u16;4] { self.area }
|
||||
#[inline] fn area_mut (&mut self) -> &mut [u16;4] { &mut self.area }
|
||||
#[inline] fn render_in (&mut self, area: [u16;4], widget: &dyn Render<Tui>) -> Usually<()> {
|
||||
let last = self.area();
|
||||
*self.area_mut() = area;
|
||||
widget.render(self)?;
|
||||
*self.area_mut() = last;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
impl TuiOutput {
|
||||
pub fn buffer_update (&mut self, area: [u16;4], callback: &impl Fn(&mut Cell, u16, u16)) {
|
||||
buffer_update(&mut self.buffer, area, callback);
|
||||
}
|
||||
pub fn fill_bold (&mut self, area: [u16;4], on: bool) {
|
||||
if on {
|
||||
self.buffer_update(area, &|cell,_,_|cell.modifier.insert(Modifier::BOLD))
|
||||
} else {
|
||||
self.buffer_update(area, &|cell,_,_|cell.modifier.remove(Modifier::BOLD))
|
||||
}
|
||||
}
|
||||
pub fn fill_bg (&mut self, area: [u16;4], color: Color) {
|
||||
self.buffer_update(area, &|cell,_,_|{cell.set_bg(color);})
|
||||
}
|
||||
pub fn fill_fg (&mut self, area: [u16;4], color: Color) {
|
||||
self.buffer_update(area, &|cell,_,_|{cell.set_fg(color);})
|
||||
}
|
||||
pub fn fill_ul (&mut self, area: [u16;4], color: Color) {
|
||||
self.buffer_update(area, &|cell,_,_|{
|
||||
cell.modifier = ratatui::prelude::Modifier::UNDERLINED;
|
||||
cell.underline_color = color;
|
||||
})
|
||||
}
|
||||
pub fn fill_char (&mut self, area: [u16;4], c: char) {
|
||||
self.buffer_update(area, &|cell,_,_|{cell.set_char(c);})
|
||||
}
|
||||
pub fn make_dim (&mut self) {
|
||||
for cell in self.buffer.content.iter_mut() {
|
||||
cell.bg = ratatui::style::Color::Rgb(30,30,30);
|
||||
cell.fg = ratatui::style::Color::Rgb(100,100,100);
|
||||
cell.modifier = ratatui::style::Modifier::DIM;
|
||||
}
|
||||
}
|
||||
pub fn blit (
|
||||
&mut self, text: &impl AsRef<str>, x: u16, y: u16, style: Option<Style>
|
||||
) {
|
||||
let text = text.as_ref();
|
||||
let buf = &mut self.buffer;
|
||||
if x < buf.area.width && y < buf.area.height {
|
||||
buf.set_string(x, y, text, style.unwrap_or(Style::default()));
|
||||
}
|
||||
}
|
||||
#[inline]
|
||||
pub fn with_rect (&mut self, area: [u16;4]) -> &mut Self {
|
||||
self.area = area;
|
||||
self
|
||||
}
|
||||
}
|
||||
|
||||
//impl Area<u16> for Rect {
|
||||
//fn x (&self) -> u16 { self.x }
|
||||
//fn y (&self) -> u16 { self.y }
|
||||
//fn w (&self) -> u16 { self.width }
|
||||
//fn h (&self) -> u16 { self.height }
|
||||
//}
|
||||
|
||||
pub fn half_block (lower: bool, upper: bool) -> Option<char> {
|
||||
match (lower, upper) {
|
||||
(true, true) => Some('█'),
|
||||
(true, false) => Some('▄'),
|
||||
(false, true) => Some('▀'),
|
||||
_ => None
|
||||
}
|
||||
}
|
||||
|
||||
//impl<T: Content<Tui>> Render<Tui> for T {}
|
||||
|
||||
impl Render<Tui> for &str {
|
||||
fn min_size (&self, _: [u16;2]) -> Perhaps<[u16;2]> {
|
||||
// TODO: line breaks
|
||||
Ok(Some([self.chars().count() as u16, 1]))
|
||||
}
|
||||
fn render (&self, to: &mut TuiOutput) -> Usually<()> {
|
||||
let [x, y, ..] = to.area();
|
||||
//let [w, h] = self.min_size(to.area().wh())?.unwrap();
|
||||
Ok(to.blit(&self, x, y, None))
|
||||
}
|
||||
}
|
||||
|
||||
impl Render<Tui> for String {
|
||||
fn min_size (&self, _: [u16;2]) -> Perhaps<[u16;2]> {
|
||||
// TODO: line breaks
|
||||
Ok(Some([self.chars().count() as u16, 1]))
|
||||
}
|
||||
fn render (&self, to: &mut TuiOutput) -> Usually<()> {
|
||||
let [x, y, ..] = to.area();
|
||||
//let [w, h] = self.min_size(to.area().wh())?.unwrap();
|
||||
Ok(to.blit(&self, x, y, None))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn buffer_update (buf: &mut Buffer, area: [u16;4], callback: &impl Fn(&mut Cell, u16, u16)) {
|
||||
for row in 0..area.h() {
|
||||
let y = area.y() + row;
|
||||
for col in 0..area.w() {
|
||||
let x = area.x() + col;
|
||||
if x < buf.area.width && y < buf.area.height {
|
||||
callback(buf.get_mut(x, y), col, row);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue