try to sort TuiKey/TuiEvent mess

src/term.rs

@@ -1,7 +1,7 @@
 mod border;
 pub use self::border::*;
 
-use crate::{*, lang::*, draw::*, task::*};
+use crate::{*, lang::*, draw::*, task::*, exit::*};
 //use unicode_width::{UnicodeWidthStr, UnicodeWidthChar};
 //use rand::distributions::uniform::UniformSampler;
 use ::{
@@ -22,46 +22,37 @@ use ::{
             //event::{poll, read, Event, KeyEvent, KeyCode, KeyModifiers, KeyEventKind, KeyEventState},
         }
     },
+    crossterm::event::{
+        read, Event, KeyEvent, KeyModifiers, KeyCode, KeyEventKind, KeyEventState
+    },
 };
 
+/// Implement standard [main] entrypoint for TUI apps.
 #[macro_export] macro_rules! tui_main {
-    ($state:expr) => {
+    ($state:expr) => { pub fn main () -> Usually<()> { tui_run_main($state) } }
-        pub fn main () -> Usually<()> {
-            use ::{
-                std::sync::{
-                    Arc,
-                    RwLock
-                },
-                std::panic::{
-                    set_hook,
-                    PanicHookInfo,
-                },
-                std::time::{
-                    Duration
-                },
-                better_panic::{
-                    Settings,
-                    Verbosity
-                },
-                ratatui::{
-                    backend::{
-                        Backend,
-                        CrosstermBackend
-                    },
-                    crossterm::{
-                        ExecutableCommand,
-                        terminal::{
-                            disable_raw_mode,
-                            LeaveAlternateScreen
 }
+
+pub fn tui_run_main <T> (state: T) -> Usually<()> where
+    T: View<Tui> + Apply<TuiEvent, Usually<()>> + Send + Sync + 'static
+{
+    tui_setup_panic();
+    Exit::run(|exit|{
+        let state  = Arc::new(RwLock::new(state));
+        let scan   = Duration::from_millis(100);
+        let input  = tui_input(exit.as_ref(), &state, scan)?;
+        let frame  = Duration::from_millis(10);
+        let output = tui_output(exit.as_ref(), &state, frame, std::io::stdout())?;
+        output.join();
+        stdout().execute(LeaveAlternateScreen)?;
+        CrosstermBackend::new(stdout()).show_cursor()?;
+        disable_raw_mode()?;
+        Ok(())
+    })
 }
-                },
+
-                tengri::{
+pub fn tui_setup_panic () {
-                    exit::Exit,
+    use ::std::panic::{set_hook, PanicHookInfo};
-                    keys::tui_input,
+    use ::better_panic::{Settings, Verbosity};
-                    term::tui_output,
-                }
-            };
     let panic = Settings::auto()
         .verbosity(Verbosity::Full)
         .create_panic_handler();
@@ -71,21 +62,45 @@ use ::{
         disable_raw_mode().unwrap();
         panic(info);
     }));
-            Exit::run(|exit|{
+}
-                let state  = Arc::new(RwLock::new($state));
+
-                let scan   = Duration::from_millis(100);
+/// Enable TUI keyboard input for main state struct.
-                let input  = tui_input(exit.as_ref(), &state, scan)?;
+#[macro_export] macro_rules! tui_keys {
-                let frame  = Duration::from_millis(10);
+    (|$self:ident:$State:ty,$input:ident|$body:block) => {
-                let output = tui_output(stdout(), exit.as_ref(), &state, frame)?;
+        impl Apply<TuiEvent, Usually<()>> for $State {
-                output.join();
+            fn apply (&mut $self, $input: &TuiEvent) -> Usually<()> $body
-                stdout().execute(LeaveAlternateScreen)?;
+        }
-                CrosstermBackend::new(stdout()).show_cursor()?;
+    };
-                disable_raw_mode()?;
+}
-                Ok(())
+
+/// Spawn the TUI input thread which reads keys from the terminal.
+pub fn tui_input <T: Apply<TuiEvent, Usually<()>> + Send + Sync + 'static> (
+    exited: &Arc<AtomicBool>, state: &Arc<RwLock<T>>, poll: Duration
+) -> Result<Task, std::io::Error> {
+    let exited = exited.clone();
+    let state = state.clone();
+    Task::new_poll(exited.clone(), poll, move |_| {
+        let event = read().unwrap();
+        match event {
+
+            // Hardcoded exit.
+            Event::Key(KeyEvent {
+                modifiers: KeyModifiers::CONTROL,
+                code:      KeyCode::Char('c'),
+                kind:      KeyEventKind::Press,
+                state:     KeyEventState::NONE
+            }) => { exited.store(true, Relaxed); },
+
+            // Handle all other events by the state:
+            event => {
+                if let Err(e) = state.write().unwrap().apply(&TuiEvent(event)) {
+                    panic!("{e}")
+                }
+            },
+
+        }
     })
 }
-    }
-}
 
 /// Enable TUI output for state struct.
 #[macro_export] macro_rules! tui_view {
@@ -549,6 +564,8 @@ use self::colors::*; mod colors {
     pub const fn tui_yellow () -> Color { Color::Rgb(255,255,0) }
 }
 
-/// Terminal keyboard input.
+#[cfg(feature = "term")] pub mod event;
+#[cfg(feature = "term")] pub use self::event::*;
+
 #[cfg(feature = "term")] pub mod keys;
 #[cfg(feature = "term")] pub use self::keys::*;

src/term/event.rs

@@ -0,0 +1,25 @@
+use ::dizzle::impl_from;
+use ::crossterm::event::{Event, KeyEvent, KeyCode, KeyModifiers};
+
+/// TUI input loop event.
+#[derive(Debug, Clone, Eq, PartialEq, PartialOrd)]
+pub struct TuiEvent(
+    /// Wrapped [crossterm::event::Event].
+    pub Event
+);
+
+impl_from!(TuiEvent: |e: Event| TuiEvent(
+    e));
+impl_from!(TuiEvent: |e: KeyEvent| TuiEvent(
+    Event::Key(e)));
+impl_from!(TuiEvent: |c: KeyCode| TuiEvent(
+    Event::Key(KeyEvent::new(c, KeyModifiers::NONE))));
+impl_from!(TuiEvent: |c: char| TuiEvent(
+    Event::Key(KeyEvent::new(KeyCode::Char(c), KeyModifiers::NONE))));
+
+impl Ord for TuiEvent {
+    fn cmp (&self, other: &Self) -> std::cmp::Ordering {
+        self.partial_cmp(other)
+            .unwrap_or_else(||format!("{:?}", self).cmp(&format!("{other:?}"))) // FIXME perf
+    }
+}

src/term/keys.rs

@@ -1,69 +1,22 @@
-use crate::task::Task;
+use crate::{task::Task, term::TuiEvent};
-
 use ::std::sync::{Arc, RwLock, atomic::{AtomicBool, Ordering::*}};
 use ::std::time::Duration;
-use ::dizzle::{Language, Symbol, Usually, Apply, impl_from};
+use ::dizzle::{Language, Symbol, Usually, Apply};
 use ::crossterm::event::{
     read, Event, KeyEvent, KeyCode, KeyModifiers, KeyEventKind, KeyEventState
 };
 
-/// Enable TUI keyboard input for main state struct.
+/// TUI key spec.
-#[macro_export] macro_rules! tui_keys {
-    (|$self:ident:$State:ty,$input:ident|$body:block) => {
-        impl Apply<TuiEvent, Usually<()>> for $State {
-            fn apply (&mut $self, $input: &TuiEvent) -> Usually<()> $body
-        }
-    };
-}
-
-/// Spawn the TUI input thread which reads keys from the terminal.
-pub fn tui_input <T: Apply<TuiEvent, Usually<()>> + Send + Sync + 'static> (
-    exited: &Arc<AtomicBool>, state: &Arc<RwLock<T>>, poll: Duration
-) -> Result<Task, std::io::Error> {
-    let exited = exited.clone();
-    let state = state.clone();
-    Task::new_poll(exited.clone(), poll, move |_| {
-        let event = read().unwrap();
-        match event {
-
-            // Hardcoded exit.
-            Event::Key(KeyEvent {
-                modifiers: KeyModifiers::CONTROL,
-                code:      KeyCode::Char('c'),
-                kind:      KeyEventKind::Press,
-                state:     KeyEventState::NONE
-            }) => { exited.store(true, Relaxed); },
-
-            // Handle all other events by the state:
-            event => {
-                if let Err(e) = state.write().unwrap().apply(&TuiEvent(event)) {
-                    panic!("{e}")
-                }
-            },
-
-        }
-    })
-}
-
-/// TUI input loop event.
 #[derive(Debug, Clone, Eq, PartialEq, PartialOrd)]
-pub struct TuiEvent(pub Event);
+pub struct TuiKey(pub Option<KeyCode>, pub KeyModifiers);
 
-impl_from!(TuiEvent: |e: Event| TuiEvent(e));
+impl Ord for TuiKey {
-
-impl_from!(TuiEvent: |c: char|  TuiEvent(Event::Key(KeyEvent::new(KeyCode::Char(c), KeyModifiers::NONE))));
-
-impl Ord for TuiEvent {
     fn cmp (&self, other: &Self) -> std::cmp::Ordering {
         self.partial_cmp(other)
             .unwrap_or_else(||format!("{:?}", self).cmp(&format!("{other:?}"))) // FIXME perf
     }
 }
 
-/// TUI key spec.
-#[derive(Debug, Clone, Eq, PartialEq, PartialOrd)]
-pub struct TuiKey(pub Option<KeyCode>, pub KeyModifiers);
-
 impl TuiKey {
     const SPLIT: char = '/';
     pub fn from_crossterm (event: KeyEvent) -> Self {