shell: first commander prototype

nested/src/char_editor.rs

@@ -30,6 +30,10 @@ impl CharEditor {
     pub fn get_port(&self) -> OuterViewPort<dyn SingletonView<Item = Option<char>>> {
         self.data.get_port()
     }
+
+    pub fn get(&self) -> char {
+        self.get_port().get_view().unwrap().get().unwrap_or('?')
+    }
 }
 
 impl TreeNav for CharEditor {}

nested/src/color.rs

@@ -3,22 +3,23 @@ use {
 };
 
 pub fn bg_style_from_depth(depth: usize) -> TerminalStyle {
-    if depth == 0 {
+    match depth {
-        TerminalStyle::default()
+        0 => TerminalStyle::default(),
-    } else {
+        1 => TerminalStyle::bg_color((20,20,20)),
-        TerminalStyle::bg_color((
+        2 => TerminalStyle::default(),
-            (30.0 / ( 0.90*depth as f64 )) as u8,
+        3 => TerminalStyle::default(),
-            (30.0 / ( 0.93*depth as f64 )) as u8,
+        4 => TerminalStyle::default(),
-            (50.0 / ( 0.95*depth as f64 )) as u8
+        5 => TerminalStyle::default(),
-        ))
+        _ => TerminalStyle::bg_color((80,80,80))
     }
 }
 
 pub fn fg_style_from_depth(depth: usize) -> TerminalStyle {
     match depth % 3 {
         0 => TerminalStyle::fg_color((200, 200, 80)),
-        1 => TerminalStyle::fg_color((80, 200, 200)),
+        1 => TerminalStyle::fg_color((80, 200, 200)).add(TerminalStyle::bold(true)),
-        2 => TerminalStyle::fg_color((150, 150, 200)),
+        2 => TerminalStyle::fg_color((80, 80, 200)),
+        3 => TerminalStyle::fg_color((200, 80, 200)),
         _ => TerminalStyle::default()
     }
 }

nested/src/integer/editor.rs

@@ -87,7 +87,7 @@ impl PosIntEditor {
         PosIntEditor {
             radix,
             digits_editor: PTYListEditor::new(
-                Box::new(move || Arc::new(RwLock::new(DigitEditor::new(radix)))),
+                Box::new(move || Arc::new(RwLock::new(DigitEditor::new(radix)))) as Box<dyn Fn() -> Arc<RwLock<DigitEditor>> + Send + Sync>,
                 SeqDecorStyle::Hex,
                 0
             ),
@@ -136,7 +136,6 @@ impl TreeNav for PosIntEditor {
     fn goby(&mut self, cur: Vector2<isize>) -> TreeNavResult {
         self.digits_editor.goby(cur)
     }
-
 }
 
 impl TerminalEditor for PosIntEditor {

nested/src/list/editor.rs

@@ -36,11 +36,11 @@ where ItemEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static
 impl<ItemEditor> ListEditor<ItemEditor>
 where ItemEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static
 {
-    pub fn new(make_item_editor: impl Into<Box<dyn Fn() -> Arc<RwLock<ItemEditor>> + Send + Sync>>, depth: usize) -> Self {
+    pub fn new(make_item_editor: impl Fn() -> Arc<RwLock<ItemEditor>> + Send + Sync + 'static, depth: usize) -> Self {
         ListEditor {
             cursor: SingletonBuffer::new(ListCursor::default()),
             data: VecBuffer::<Arc<RwLock<ItemEditor>>>::new(),
-            make_item_editor: make_item_editor.into(),
+            make_item_editor: Box::new(make_item_editor),
             depth,
             cur_dist: Arc::new(RwLock::new(0)),
         }

nested/src/list/nav.rs

@@ -133,6 +133,7 @@ where ItemEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static
 
                 if direction.y < 0 {
                     // up
+                    self.cursor.set(ListCursor::none());
                     TreeNavResult::Exit
                 } else if direction.y > 0 {
                     // dn

nested/src/list/pty_editor.rs

@@ -36,7 +36,7 @@ impl<ItemEditor> PTYListEditor<ItemEditor>
 where ItemEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static
 {
     pub fn new(
-        make_item_editor: Box<dyn Fn() -> Arc<RwLock<ItemEditor>> + Send + Sync>,
+        make_item_editor: impl Fn() -> Arc<RwLock<ItemEditor>> + Send + Sync + 'static,
         style: SeqDecorStyle,
         depth: usize
     ) -> Self {
@@ -49,6 +49,20 @@ where ItemEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static
         }
     }
 
+    pub fn from_editor(
+        editor: ListEditor<ItemEditor>,
+        style: SeqDecorStyle,
+        depth: usize
+    ) -> Self {
+        let port = ViewPort::new();
+        PTYListEditor {
+            editor,
+            style,
+            depth,
+            port
+        } 
+    }
+
     pub fn get_data_port(&self) -> OuterViewPort<dyn SequenceView<Item = Arc<RwLock<ItemEditor>>>> {
         self.editor.get_data_port()
     }
@@ -206,3 +220,15 @@ impl<ItemEditor> TerminalTreeEditor for PTYListEditor<ItemEditor>
 where ItemEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static
 {}
 
+
+use crate::{
+    char_editor::CharEditor,
+    sequence::SequenceViewExt
+};
+
+impl PTYListEditor<CharEditor> {
+    pub fn get_string(&self) -> String {
+        self.get_data_port().map(|ce| ce.read().unwrap().get()).get_view().unwrap().iter().collect::<String>()
+    }
+}
+

nested/src/list/segment.rs

@@ -46,7 +46,7 @@ where ItemEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static
                 editor.read().unwrap().get_term_view().map_item(move |_pt, atom| {
                     let cur_depth = e.read().unwrap().get_cursor().tree_addr.len();
                     atom.add_style_back(bg_style_from_depth(cur_depth))
-                        .add_style_back(fg_style_from_depth(d+cur_depth))
+                        .add_style_back(fg_style_from_depth(d))
                 })
             }
         }

nested/src/make_editor.rs

@@ -76,13 +76,13 @@ pub fn make_editor(ctx: Arc<RwLock<Context>>, t: &TypeLadder, depth: usize) -> A
     } else if t[0] == c.type_term_from_str("( List RGB )").unwrap() {
         Arc::new(RwLock::new(
             PTYListEditor::<dyn TerminalTreeEditor + Send +Sync>::new(
-                Box::new({
+                {
                     let d = depth+1;
                     let ctx = ctx.clone();
-                    move || {
+                    Box::new(move || {
                         make_editor(ctx.clone(), &vec![ ctx.read().unwrap().type_term_from_str("( RGB )").unwrap() ], d)
-                    }
+                    })
-                }),
+                },
                 SeqDecorStyle::VerticalSexpr,
                 depth
             )
@@ -97,7 +97,7 @@ pub fn make_editor(ctx: Arc<RwLock<Context>>, t: &TypeLadder, depth: usize) -> A
                              .with_n(Point2::new(2, 2), vec![ ctx.read().unwrap().type_term_from_str("( PosInt 16 BigEndian )").unwrap() ] )
                              .with_t(Point2::new(1, 3), "b: ")
                              .with_n(Point2::new(2, 3), vec![ ctx.read().unwrap().type_term_from_str("( PosInt 16 BigEndian )").unwrap() ] )
-                             .with_t(Point2::new(0, 4), " }")
+                             .with_t(Point2::new(0, 4), "}")
         )) as Arc<RwLock<dyn TerminalTreeEditor + Send + Sync>>
 
     } else if t[0] == c.type_term_from_str("( Vec3i )").unwrap() {
@@ -109,7 +109,7 @@ pub fn make_editor(ctx: Arc<RwLock<Context>>, t: &TypeLadder, depth: usize) -> A
                              .with_n(Point2::new(2, 2), vec![ ctx.read().unwrap().type_term_from_str("( PosInt 10 BigEndian )").unwrap() ] )
                              .with_t(Point2::new(1, 3), "z: ")
                              .with_n(Point2::new(2, 3), vec![ ctx.read().unwrap().type_term_from_str("( PosInt 10 BigEndian )").unwrap() ] )
-                             .with_t(Point2::new(0, 4), " }")
+                             .with_t(Point2::new(0, 4), "}")
         )) as Arc<RwLock<dyn TerminalTreeEditor + Send + Sync>>
 
     } else if t[0] == c.type_term_from_str("( Json )").unwrap() {
@@ -147,14 +147,13 @@ pub fn make_editor(ctx: Arc<RwLock<Context>>, t: &TypeLadder, depth: usize) -> A
     } else { // else: term
         Arc::new(RwLock::new(
             PTYListEditor::new(
-                Box::new(|| {
+                || {
                     Arc::new(RwLock::new(CharEditor::new()))
-                }),
+                },
                 SeqDecorStyle::DoubleQuote,
                 depth
             )
         ))
-
     }
 }
 

nested/src/product/editor.rs

@@ -119,10 +119,11 @@ impl TerminalEditor for ProductEditor {
                         match event {
                             TerminalEvent::Input(Event::Key(Key::Backspace)) => {
                                 *editor = None;
-                                *cur_depth -= 1;
+                                *cur_depth = 1;
                                 TerminalEditorResult::Continue
                             }
                             _ => {
+                                *cur_depth = ce.get_cursor().tree_addr.len();
                                 drop(ce);
                                 match self.nexd() {
                                     TreeNavResult::Continue => TerminalEditorResult::Continue,
@@ -130,15 +131,17 @@ impl TerminalEditor for ProductEditor {
                                 }
                             }
                         },
-                    TerminalEditorResult::Continue =>
+                    TerminalEditorResult::Continue => {
+                        *cur_depth = ce.get_cursor().tree_addr.len();
                         TerminalEditorResult::Continue
                     }
+                }
             } else {
                 let e = make_editor(self.ctx.clone(), t, self.depth+1);
                 *editor = Some(e.clone());
                 e.write().unwrap().dn();
                 let x = e.write().unwrap().handle_terminal_event(event);
-                *cur_depth = self.get_cursor().tree_addr.len()+1;
+                *cur_depth = e.write().unwrap().get_cursor().tree_addr.len();
                 x
             }
             } else {

nested/src/product/nav.rs

@@ -66,9 +66,15 @@ impl TreeNav for ProductEditor {
             self.cursor = Some(crate::modulo(c.tree_addr.remove(0), self.n_indices.len() as isize));
 
             if let Some(mut element) = self.get_cur_segment_mut() {
-                if let Some(ProductEditorSegment::N{ t: _t, editor, cur_depth }) = element.deref_mut() {
+                if let Some(ProductEditorSegment::N{ t, editor, cur_depth }) = element.deref_mut() {
                     if let Some(e) = editor {
                         e.write().unwrap().goto(c.clone());
+                    } else if c.tree_addr.len() > 0 {
+                        // create editor
+                        let e = make_editor(self.ctx.clone(), t, self.depth+1);
+                        *editor = Some(e.clone());
+                        let mut e = e.write().unwrap();
+                        e.goto(c.clone());
                     }
                     *cur_depth = c.tree_addr.len();
                 }
@@ -111,7 +117,7 @@ impl TreeNav for ProductEditor {
                             if let Some(e) = editor {
                                 let mut e = e.write().unwrap();
                                 e.goby(direction);
-                                *cur_depth = e.get_cursor().tree_addr.len();
+                                *cur_depth = e.get_cursor().tree_addr.len() + 1;
                             } else {
                                 // create editor
                                 let e = make_editor(self.ctx.clone(), t, self.depth+1);
@@ -133,6 +139,12 @@ impl TreeNav for ProductEditor {
                     self.cursor = None;
                     TreeNavResult::Exit
                 } else {
+                    if let Some(mut element) = self.get_cur_segment_mut() {
+                        if let Some(ProductEditorSegment::N{ t, editor, cur_depth }) = element.deref_mut() {
+                            *cur_depth = 0;
+                        }
+                    }
+
                     // horizontal
                     if (cur.tree_addr[0]+direction.x >= 0) &&
                         (cur.tree_addr[0]+direction.x < self.n_indices.len() as isize)
@@ -142,6 +154,7 @@ impl TreeNav for ProductEditor {
                                 *cur_depth = 0;
                             }
                         }
+
                         self.cursor = Some(cur.tree_addr[0] + direction.x);
                         if let Some(mut element) = self.get_cur_segment_mut() {
                             if let Some(ProductEditorSegment::N{ t, editor, cur_depth }) = element.deref_mut() {
@@ -165,21 +178,31 @@ impl TreeNav for ProductEditor {
                             //\\//\\//\\//\\
                             match ce.goby(direction) {
                                 TreeNavResult::Exit => {
-                                    *cur_depth = 0;
+                                    *cur_depth = 1;
                                     drop(ce);
                                     drop(e);
+
                                     if direction.y < 0 {
                                         if depth <= (1-direction.y) as usize {
                                             // up
-                                            TreeNavResult::Exit
+                                            *cur_depth = 1;
+                                            TreeNavResult::Continue
                                         } else {
+                                            panic!("unplausible direction.y on exit");
                                             TreeNavResult::Continue
                                         }
                                     } else if direction.y > 0 {
                                         // dn
+                                        *cur_depth = depth + direction.y as usize;
+
                                         TreeNavResult::Continue
                                     } else if direction.y == 0 {
                                         // horizontal
+
+                                        if direction.x != 0 {
+                                            *cur_depth = 0;
+                                        }
+
                                         if (cur.tree_addr[0]+direction.x >= 0) &&
                                             (cur.tree_addr[0]+direction.x < self.n_indices.len() as isize)
                                         {
@@ -205,9 +228,7 @@ impl TreeNav for ProductEditor {
                                     }
                                 }
                                 TreeNavResult::Continue => {
-                                    if direction.y > 0 {
+                                    *cur_depth = (depth as isize + direction.y - 1) as usize;
-                                        *cur_depth = depth + direction.y as usize - 1;
-                                    }
                                     TreeNavResult::Continue
                                 }
                             }

nested/src/product/segment.rs

@@ -37,16 +37,20 @@ impl ProductEditorSegment {
             ProductEditorSegment::N { t: _, editor: Some(e), cur_depth } =>
                 e.read().unwrap()
                 .get_term_view()
-                .map_item({ let cur_depth = *cur_depth;//e.read().unwrap().get_cursor().tree_addr.len()+1;
+                .map_item({
-                            move |i, x| x
+                    let e = e.clone();
+                    move |i, x| {
+                        let cur_depth = e.read().unwrap().get_cursor().tree_addr.len();
+                        x
                             .add_style_back(fg_style_from_depth(cur_depth))//fg_color((250,210,0)))
                             .add_style_back(bg_style_from_depth(cur_depth))
+                    }
                 }),
 
             ProductEditorSegment::N{ t, editor: None, cur_depth } =>
                 make_label(&ctx.read().unwrap().type_term_to_str(&t[0]))
                 .map_item({
-                    let cur_depth = *cur_depth;
+                    let cur_depth = 0;
                     move |i, x| x
                             .add_style_back(TerminalStyle::fg_color((130,90,40)))
                             .add_style_back(bg_style_from_depth(cur_depth))

nested/src/terminal/terminal.rs

@@ -24,6 +24,7 @@ use {
     },
 };
 
+#[derive(PartialEq, Eq)]
 pub enum TerminalEvent {
     Resize(Vector2<i16>),
     Input(termion::event::Event),

shell/src/command.rs

@@ -3,81 +3,107 @@ use {
         sync::{Arc, RwLock},
         collections::HashMap
     },
-    cgmath::{Point2},
+    cgmath::{Vector2, Point2},
     termion::event::{Event, Key},
     nested::{
-        list::{sexpr::ListDecoration, ListEditor, ListEditorStyle},
+        vec::VecBuffer,
-        core::TypeTerm,
+        list::{ListEditor, PTYListEditor},
+        sequence::decorator::{Separate, Wrap, SeqDecorStyle},
+        core::{TypeTerm, Context},
         core::{OuterViewPort, ViewPort},
         index::{IndexArea, IndexView},
-        string_editor::StringEditor,
+        char_editor::CharEditor,
-        vec::VecBuffer,
         terminal::{
             TerminalAtom, TerminalEditor, TerminalEditorResult, TerminalEvent, TerminalStyle, TerminalView, make_label
         },
-        tree_nav::{TreeCursor, TreeNav, TreeNavResult},
+        tree_nav::{TreeCursor, TreeNav, TreeNavResult, TerminalTreeEditor},
+        make_editor::make_editor,
+        product::ProductEditor
     }
 };
 
 trait Action {
-    fn make_editor(&self) ->
+    fn make_editor(&self, ctx: Arc<RwLock<Context>>) -> Arc<RwLock<dyn TerminalTreeEditor + Send + Sync>>;
-        (Arc<RwLock<dyn TerminalEditor + Send + Sync>>,
-         Arc<RwLock<dyn TreeNav + Send + Sync>>);
 }
 
 pub struct ActCd {}
 impl Action for ActCd {
-    fn make_editor(&self) ->
+    fn make_editor(&self, ctx: Arc<RwLock<Context>>) -> Arc<RwLock<dyn TerminalTreeEditor + Send + Sync>> {
-        (Arc<RwLock<dyn TerminalEditor + Send + Sync>>,
+        make_editor(
-         Arc<RwLock<dyn TreeNav + Send + Sync>>)
+            ctx.clone(),
-    {
+            &vec![ctx.read().unwrap().type_term_from_str("( Path )").unwrap()],
-        let ed =
+            1
-            Arc::new(RwLock::new(ListEditor::new(
+        )
-                Box::new(|| {
-                    Arc::new(RwLock::new(StringEditor::new()))
-                }) as Box<dyn Fn() -> Arc<RwLock<StringEditor>> + Send + Sync>,
-                ListEditorStyle::HorizontalSexpr,
-            )));
-        //Arc::new(RwLock::new(StringEditor::new()));
-
-        (ed.clone() as Arc<RwLock<dyn TerminalEditor + Send + Sync>>, ed as Arc<RwLock<dyn TreeNav + Send + Sync>>)
     }
 }
 
+pub struct ActEcho {}
+impl Action for ActEcho {
+    fn make_editor(&self, ctx: Arc<RwLock<Context>>) -> Arc<RwLock<dyn TerminalTreeEditor + Send + Sync>> {
+        make_editor(
+            ctx.clone(),
+            &vec![ctx.read().unwrap().type_term_from_str("( String )").unwrap()],
+            2
+        )
+    }
+}
+
+pub struct ActCp {}
+impl Action for ActCp {
+    fn make_editor(&self, ctx: Arc<RwLock<Context>>) -> Arc<RwLock<dyn TerminalTreeEditor + Send + Sync>> {
+        let depth = 1;
+        Arc::new(RwLock::new(ProductEditor::new(depth, ctx.clone())
+                             .with_t(Point2::new(0, 0), "Source ")
+                             .with_n(Point2::new(1, 0), vec![ ctx.read().unwrap().type_term_from_str("( Path )").unwrap() ] )
+                             .with_t(Point2::new(0, 1), "Destination ")
+                             .with_n(Point2::new(1, 1), vec![ ctx.read().unwrap().type_term_from_str("( Path )").unwrap() ] )
+                             .with_t(Point2::new(0, 2), "Options ")
+                             .with_n(Point2::new(1, 2), vec![ ctx.read().unwrap().type_term_from_str("( List String )").unwrap() ] )
+        )) as Arc<RwLock<dyn TerminalTreeEditor + Send + Sync>>
+    }
+}
 
 pub struct Commander {
+    ctx: Arc<RwLock<Context>>,
     cmds: HashMap<String, Arc<dyn Action + Send + Sync>>,
 
-    symbol_editor: StringEditor,
+    symbol_editor: PTYListEditor<CharEditor>,
-    cmd_editor: Option<(
+    cmd_editor: Option<Arc<RwLock<dyn TerminalTreeEditor + Send + Sync>>>,
-        Arc<RwLock<dyn TerminalEditor + Send + Sync>>,
-        Arc<RwLock<dyn TreeNav + Send + Sync>>
-    )>,
 
     view_elements: VecBuffer<OuterViewPort<dyn TerminalView>>,
     out_port: OuterViewPort<dyn TerminalView>,
 }
 
 impl Commander {
-    pub fn new() -> Self {
+    pub fn new(ctx: Arc<RwLock<Context>>) -> Self {
         let port = ViewPort::new();
-        let mut view_elements = VecBuffer::new(port.inner());
+        let mut view_elements = VecBuffer::with_port(port.inner());
-        let symbol_editor = StringEditor::new();
 
-        view_elements.push(symbol_editor.get_plain_editor_view());
+        let symbol_editor = PTYListEditor::new(
+            || {
+                Arc::new(RwLock::new(CharEditor::new()))
+            },
+            SeqDecorStyle::Plain,
+            0
+        );
+
+        view_elements.push(symbol_editor.get_term_view());
 
         let mut cmds = HashMap::new();
         cmds.insert("cd".into(), Arc::new(ActCd{}) as Arc<dyn Action + Send + Sync>);
-        cmds.insert("echo".into(), Arc::new(ActCd{}) as Arc<dyn Action + Send + Sync>);
+        cmds.insert("echo".into(), Arc::new(ActEcho{}) as Arc<dyn Action + Send + Sync>);
         cmds.insert("ls".into(), Arc::new(ActCd{}) as Arc<dyn Action + Send + Sync>);
+        cmds.insert("cp".into(), Arc::new(ActCp{}) as Arc<dyn Action + Send + Sync>);
 
         let mut c = Commander {
+            ctx,
             cmds,
             symbol_editor,
             cmd_editor: None,
             view_elements,
             out_port: port.outer()
                 .to_sequence()
+                .separate(make_label(" "))
                 .to_grid_horizontal()
                 .flatten()
         };
@@ -96,11 +122,11 @@ impl TerminalEditor for Commander {
             match event {
                 TerminalEvent::Input(Event::Key(Key::Char('\n'))) => {
                     // run
-                    cmd_editor.1.write().unwrap().up();
+                    cmd_editor.write().unwrap().goto(TreeCursor::none());
                     TerminalEditorResult::Exit
                 }
                 event => {
-                    cmd_editor.0.write().unwrap().handle_terminal_event(event)
+                    cmd_editor.write().unwrap().handle_terminal_event(event)
                 }
             }
         } else {
@@ -110,14 +136,19 @@ impl TerminalEditor for Commander {
                     let symbol = self.symbol_editor.get_string();
 
                     if let Some(action) = self.cmds.get(&symbol) {
-                        let editor = action.make_editor();
+                        let editor = action.make_editor(self.ctx.clone());
 
                         self.symbol_editor.up();
-                        self.view_elements.push(make_label(" "));
+                        self.view_elements.push(editor.read().unwrap().get_term_view());
-                        self.view_elements.push(editor.0.read().unwrap().get_term_view());
 
-                        editor.1.write().unwrap().goto_home();
+                        editor.write().unwrap().qpxev();
                         self.cmd_editor = Some(editor);
+
+                        if *event == TerminalEvent::Input(Event::Key(Key::Char('\n'))) {
+                            return self.handle_terminal_event(event);
+                        }
+                    } else {
+                        // undefined command
                     }
 
                     TerminalEditorResult::Continue
@@ -134,61 +165,34 @@ impl TerminalEditor for Commander {
 impl TreeNav for Commander {
     fn get_cursor(&self) -> TreeCursor {
         if let Some(cmd_editor) = self.cmd_editor.as_ref() {
-            cmd_editor.1.write().unwrap().get_cursor()
+            cmd_editor.write().unwrap().get_cursor()
         } else {
             self.symbol_editor.get_cursor()
         }
     }
-
+    fn get_cursor_warp(&self) -> TreeCursor {
+        if let Some(cmd_editor) = self.cmd_editor.as_ref() {
+            cmd_editor.write().unwrap().get_cursor_warp()
+        } else {
+            self.symbol_editor.get_cursor_warp()
+        }
+    }
+    fn goby(&mut self, dir: Vector2<isize>) -> TreeNavResult {
+        if let Some(cmd_editor) = self.cmd_editor.as_ref() {
+            cmd_editor.write().unwrap().goby(dir)
+        } else {
+            self.symbol_editor.goby(dir)
+        }
+    }
     fn goto(&mut self, cur: TreeCursor) -> TreeNavResult {
         if let Some(cmd_editor) = self.cmd_editor.as_ref() {
-            cmd_editor.1.write().unwrap().goto(cur)
+            cmd_editor.write().unwrap().goto(cur)
         } else {
             self.symbol_editor.goto(cur)
         }
     }
-    fn goto_home(&mut self) -> TreeNavResult {
+
-        if let Some(cmd_editor) = self.cmd_editor.as_ref() {
-            cmd_editor.1.write().unwrap().goto_home()
-        } else {
-            self.symbol_editor.goto_home()
-        }
-    }
-    fn goto_end(&mut self) -> TreeNavResult {
-        if let Some(cmd_editor) = self.cmd_editor.as_ref() {
-            cmd_editor.1.write().unwrap().goto_end()
-        } else {
-            self.symbol_editor.goto_end()
-        }
-    }
-    fn pxev(&mut self) -> TreeNavResult {
-        if let Some(cmd_editor) = self.cmd_editor.as_ref() {
-            cmd_editor.1.write().unwrap().pxev()
-        } else {
-            self.symbol_editor.pxev()
-        }
-    }
-    fn nexd(&mut self) -> TreeNavResult {
-        if let Some(cmd_editor) = self.cmd_editor.as_ref() {
-            cmd_editor.1.write().unwrap().nexd()
-        } else {
-            self.symbol_editor.nexd()
-        }
-    }
-    fn up(&mut self) -> TreeNavResult {
-        if let Some(cmd_editor) = self.cmd_editor.as_ref() {
-            cmd_editor.1.write().unwrap().up()
-        } else {
-            self.symbol_editor.up()
-        }
-    }
-    fn dn(&mut self) -> TreeNavResult {
-        if let Some(cmd_editor) = self.cmd_editor.as_ref() {
-            cmd_editor.1.write().unwrap().dn()
-        } else {
-            self.symbol_editor.dn()
-        }
-    }
 }
 
+impl TerminalTreeEditor for Commander {}
 

shell/src/main.rs

@@ -4,14 +4,17 @@ mod ascii_box;
 mod monstera;
 mod process;
 mod pty;
-
+mod command;
 mod plot;
 
 use {
-    crate::process::ProcessLauncher,
+    crate::{
+        process::ProcessLauncher,
+        command::Commander
+    },
     cgmath::{Point2, Vector2},
     nested::{
-        core::{port::UpdateTask, Observer, OuterViewPort, ViewPort},
+        core::{port::UpdateTask, Observer, OuterViewPort, ViewPort, Context, TypeTerm},
         index::IndexArea,
         list::{ListCursorMode, PTYListEditor},
         sequence::{decorator::{SeqDecorStyle}},
@@ -34,9 +37,28 @@ async fn main() {
     let mut term = Terminal::new(term_port.outer());
     let term_writer = term.get_writer();
 
+    // Update Loop //
+    let tp = term_port.clone();
+    async_std::task::spawn(async move {
+        loop {
+            tp.update();
+            async_std::task::sleep(std::time::Duration::from_millis(20)).await;
+        }
+    });
+    
     async_std::task::spawn(async move {
         let mut table = nested::index::buffer::IndexBuffer::new();
 
+        // Type Context //
+        let mut ctx = Arc::new(RwLock::new(Context::new()));
+        for tn in vec![
+            "MachineWord", "MachineInt", "MachineSyllab", "Bits",
+            "Vec", "Stream", "Json",
+            "Sequence", "AsciiString", "UTF-8-String", "Char", "String",
+            "PosInt", "Digit", "LittleEndian", "BigEndian",
+            "DiffStream", "ℕ", "List", "Path", "Term", "RGB", "Vec3i"
+        ] { ctx.write().unwrap().add_typename(tn.into()); }
+        
         let magic =
             make_label("<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>").map_item(|pos, atom| {
                 atom.add_style_back(TerminalStyle::fg_color((
@@ -50,7 +72,7 @@ async fn main() {
         let mut status_chars = VecBuffer::new();
 
         let mut process_list_editor = PTYListEditor::new(
-            Box::new(|| Arc::new(RwLock::new(ProcessLauncher::new()))),
+            Box::new({let ctx = ctx.clone(); move || Arc::new(RwLock::new(Commander::new(ctx.clone())))}),
             SeqDecorStyle::VerticalSexpr,
             0
         );
@@ -93,7 +115,8 @@ async fn main() {
                 status_chars.get_port().to_sequence().to_grid_horizontal(),
             ),
             (Point2::new(0, 2), magic.clone()),
-            (Point2::new(0, 3), process_list_editor.get_term_view()),
+
+            (Point2::new(0, 4), process_list_editor.get_term_view()),
         ]);
 
         let (w, h) = termion::terminal_size().unwrap();
@@ -125,14 +148,6 @@ async fn main() {
             tree_addr: vec![0],
         });
         
-        let tp = term_port.clone();
-        async_std::task::spawn(async move {
-            loop {
-                tp.update();
-                async_std::task::sleep(std::time::Duration::from_millis(10)).await;
-            }
-        });
-
         loop {
             status_chars.clear();
             let cur = process_list_editor.get_cursor();
@@ -191,6 +206,7 @@ async fn main() {
 
             if let Some(process_editor) = process_list_editor.get_item() {
                 let mut pe = process_editor.write().unwrap();
+                /*
                 if pe.is_captured() {
                     if let TerminalEditorResult::Exit = pe.handle_terminal_event(&ev) {
                         drop(pe);
@@ -199,6 +215,7 @@ async fn main() {
                     }
                     continue;
             }
+                */
             }
 
             match ev {