build StringEditor and PosIntEditor ontop of ListEditor

add DigitEditor and CharEditor

nested/src/integer/digit.rs

@@ -0,0 +1,76 @@
+use {
+    std::sync::RwLock,
+    termion::event::{Key, Event},
+    crate::{
+        core::{ViewPort, OuterViewPort},
+        singleton::{SingletonView, SingletonBuffer},
+        vec::VecBuffer,
+        terminal::{TerminalAtom, TerminalStyle, TerminalView, TerminalEvent, TerminalEditor, TerminalEditorResult},
+        tree_nav::{TreeNav, TreeNavResult}
+    }
+};
+
+//<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
+
+pub struct DigitEditor {
+    radix: u32,
+    data: SingletonBuffer<Option<char>>,
+    data_port: ViewPort<dyn SingletonView<Item = Option<char>>>
+}
+
+impl DigitEditor {
+    pub fn new(radix: u32) -> Self {
+        let mut data_port = ViewPort::new();
+        DigitEditor {
+            radix,
+            data: SingletonBuffer::new(None, data_port.inner()),
+            data_port
+        }
+    }
+
+    pub fn get_data_port(&self) -> OuterViewPort<dyn SingletonView<Item = Option<u32>>> {
+        let radix = self.radix;
+        self.data_port.outer().map(
+            move |c| c.unwrap_or('?').to_digit(radix)
+        )
+    }
+}
+
+impl TreeNav for DigitEditor {}
+impl TerminalEditor for DigitEditor {
+    fn get_term_view(&self) -> OuterViewPort<dyn TerminalView> {
+        let radix = self.radix;
+        self.data_port.outer().map(
+            move |c| TerminalAtom::new(
+                c.unwrap_or('?'),
+                if c.unwrap_or('?').to_digit(radix).is_some() {
+                    TerminalStyle::fg_color((100, 140, 100))
+                } else {
+                    TerminalStyle::fg_color((200, 0, 0))
+                }
+            )
+        ).to_grid()
+    }
+
+    fn handle_terminal_event(&mut self, event: &TerminalEvent) -> TerminalEditorResult {
+        match event {
+            TerminalEvent::Input(Event::Key(Key::Char('\n'))) =>
+                TerminalEditorResult::Continue,
+            TerminalEvent::Input(Event::Key(Key::Char(c))) => {
+                self.data.set(Some(*c));
+                TerminalEditorResult::Exit
+            }
+            TerminalEvent::Input(Event::Key(Key::Backspace)) |
+            TerminalEvent::Input(Event::Key(Key::Delete)) => {
+                self.data.set(None);
+                TerminalEditorResult::Exit
+            }
+            _ => TerminalEditorResult::Continue
+        }
+    }
+}
+
+struct PosIntEditor {
+    
+}
+

nested/src/integer/mod.rs

@@ -1,9 +1,11 @@
 
 pub mod radix;
 pub mod add;
+pub mod digit;
 
 pub use {
     radix::RadixProjection,
-    add::Add
+    add::Add,
+    digit::DigitEditor
 };
 

nested/src/list/editor.rs

@@ -31,7 +31,6 @@ use {
             TerminalEditorResult,
             make_label
         },
-        string_editor::StringEditor,
         leveled_term_view::LeveledTermView,
         list::{SExprView, ListDecoration}
     }
@@ -145,10 +144,29 @@ where SubEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
 
     fn goto_end(&mut self) -> TreeNavResult {
         match self.cursor.get() {
-            ListEditorCursor::None |
+            ListEditorCursor::None => { self.goto(vec![ self.data.len() - 1 ])}
-            ListEditorCursor::Insert(_) | 
+            ListEditorCursor::Insert(idx) => {
-            ListEditorCursor::Select(_) =>
+                if idx < self.data.len() {
-                self.goto(vec![ self.data.len()-1 ]),
+                    self.goto(vec![ self.data.len() ])
+                } else {
+                    self.up();
+                    self.nexd();
+                    self.dn();
+                    self.goto_end();
+                    TreeNavResult::Continue                    
+                }
+            }
+            ListEditorCursor::Select(idx) => {
+                if idx < self.data.len()-1 {
+                    self.goto(vec![ self.data.len()-1 ])
+                } else {
+                    self.up();
+                    self.nexd();
+                    self.dn();
+                    self.goto_end();
+                    TreeNavResult::Continue
+                }
+            }
             ListEditorCursor::Edit(idx) => {
                 let ce = self.data.get_mut(idx);
                 let mut cur_edit = ce.write().unwrap();
@@ -157,8 +175,11 @@ where SubEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
                     TreeNavResult::Continue => TreeNavResult::Continue,
                     TreeNavResult::Exit => {
                         if idx+1 < self.data.len() {
-                            self.cursor.set(ListEditorCursor::Edit(idx+1));
+                            drop(cur_edit);
-                            self.data.get_mut(idx+1).write().unwrap().goto_end();
+                            self.up();
+                            self.nexd();
+                            self.dn();
+                            self.goto_end();
                             TreeNavResult::Continue
                         } else {
                             self.cursor.set(ListEditorCursor::None);
@@ -183,8 +204,11 @@ where SubEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
                     TreeNavResult::Continue => TreeNavResult::Continue,
                     TreeNavResult::Exit => {
                         if idx > 0 {
-                            self.cursor.set(ListEditorCursor::Edit(idx-1));
+                            drop(cur_edit);
-                            self.data.get_mut(idx-1).write().unwrap().goto_home();
+                            self.up();
+                            self.pxev();
+                            self.dn();
+                            self.goto_home();
                             TreeNavResult::Continue
                         } else {
                             self.cursor.set(ListEditorCursor::None);
@@ -206,6 +230,12 @@ where SubEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
                 self.data.get_mut(idx).write().unwrap().goto_home();
                 self.cursor.set(ListEditorCursor::Edit(idx));
             }
+            ListEditorCursor::Edit(idx) => {
+                let ce = self.data.get_mut(idx);
+                let mut cur_edit = ce.write().unwrap();
+
+                cur_edit.dn();
+            }
             _ => {}
         }
         TreeNavResult::Continue
@@ -239,8 +269,11 @@ where SubEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
                 match cur_edit.pxev() {
                     TreeNavResult::Exit => {
                         if idx > 0 {
-                            self.cursor.set(ListEditorCursor::Edit(idx-1));
+                            drop(cur_edit);
-                            self.data.get_mut(idx-1).write().unwrap().goto_end();
+                            self.up();
+                            self.pxev();
+                            self.dn();
+                            self.goto_end();
                             TreeNavResult::Continue
                         } else {
                             TreeNavResult::Exit
@@ -268,6 +301,7 @@ where SubEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
                     self.cursor.set(ListEditorCursor::Select(idx + 1));
                     TreeNavResult::Continue
                 } else {
+                    self.cursor.set(ListEditorCursor::None);
                     TreeNavResult::Exit
                 }
             }
@@ -278,8 +312,10 @@ where SubEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
                 match cur_edit.nexd() {
                     TreeNavResult::Exit => {
                         if idx+1 < self.data.len() {
-                            self.cursor.set(ListEditorCursor::Edit(idx+1));
+                            drop(cur_edit);
-                            self.data.get_mut(idx+1).write().unwrap().goto_home();
+                            self.up();
+                            self.nexd();
+                            self.dn();
                             TreeNavResult::Continue
                         } else {//if idx+1 == self.data.len() {
                             TreeNavResult::Exit
@@ -297,42 +333,74 @@ where SubEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
       FnMakeItemEditor: Fn() -> Arc<RwLock<SubEditor>>
 {
     fn get_term_view(&self) -> OuterViewPort<dyn TerminalView> {
-        self.horizontal_sexpr_view()
+        self.terminal_view.clone()
     }
 
     fn handle_terminal_event(&mut self, event: &TerminalEvent) -> TerminalEditorResult {
         match self.cursor.get() {
             ListEditorCursor::Insert(idx) => {
-                self.data.insert(idx, (self.make_item_editor)());
+                match event {
+                    TerminalEvent::Input(Event::Key(Key::Backspace)) => {
+                        if idx > 0 {
+                            self.data.remove(idx-1);
+                            self.cursor.set(ListEditorCursor::Insert(idx-1));
+                            TerminalEditorResult::Continue
+                        } else {
+                            TerminalEditorResult::Exit
+                        }
+                    }
+                    TerminalEvent::Input(Event::Key(Key::Delete)) => {
+                        if idx < self.data.len() {
+                            self.data.remove(idx);
+                            self.cursor.set(ListEditorCursor::Insert(idx));
+                            TerminalEditorResult::Continue
+                        } else {
+                            TerminalEditorResult::Exit
+                        }
+                    }
+                    TerminalEvent::Input(Event::Key(Key::Insert)) => {
+                        let l = self.data.len();
+                        if idx < l {
+                            self.cursor.set(ListEditorCursor::Select(idx));
+                        } else {
+                            self.cursor.set(ListEditorCursor::Select(l-1))
+                        }
+                        TerminalEditorResult::Continue
+                    }
+                    _ => {
                         
-                let mut ce = self.data.get_mut(idx);
+                        let new_edit = (self.make_item_editor)();
-                let mut cur_edit = ce.write().unwrap();
+                        self.data.insert(idx, new_edit.clone());
 
-                cur_edit.goto_home();
+                        new_edit.write().unwrap().goto_home();
                         self.cursor.set(ListEditorCursor::Edit(idx));
-                cur_edit.handle_terminal_event(event);
+                        match new_edit.write().unwrap().handle_terminal_event(event) {
+                            TerminalEditorResult::Exit => {
+                                self.cursor.set(ListEditorCursor::Insert(idx+1));
+                            }
+                            _ => {}
+                        }
+                        TerminalEditorResult::Continue
+                    }
+                }
             }
             ListEditorCursor::Edit(idx) => {
+                let mut ce = self.data.get_mut(idx);
+                let mut cur_edit = ce.write().unwrap();
                 match event {
                     TerminalEvent::Input(Event::Key(Key::Char(' '))) => {
                         // split..
-                        self.data.insert(idx+1, (self.make_item_editor)());
+                        cur_edit.up();
-                        self.data.get_mut(idx).write().unwrap().goto_end();
+                        self.cursor.set(ListEditorCursor::Insert(idx+1));
-                        self.data.get_mut(idx+1).write().unwrap().goto_home();
+                        TerminalEditorResult::Continue
-                        self.cursor.set(ListEditorCursor::Edit(idx+1));
-                    }
-                    event => {
-                        let mut ce = self.data.get_mut(idx);
-                        let mut cur_edit = ce.write().unwrap();
-
-                        cur_edit.handle_terminal_event(event);
                     }
+                    _ => cur_edit.handle_terminal_event(event)
                 }
             }
             ListEditorCursor::Select(idx) => {
                 match event {
                     TerminalEvent::Input(Event::Key(Key::Insert)) => {
-                        
+                        self.cursor.set(ListEditorCursor::Insert(idx));
                     }
                     TerminalEvent::Input(Event::Key(Key::Delete)) => {
                         self.data.remove(idx);
@@ -345,12 +413,11 @@ where SubEditor: TerminalTreeEditor + ?Sized + Send + Sync + 'static,
                     }
                     _=>{}
                 }
-            }
-            _ => {}
-        }
-
                 TerminalEditorResult::Continue
             }
+            _ => TerminalEditorResult::Continue
+        }
+    }
 }
 
 enum ListEditorViewSegment {
@@ -472,7 +539,7 @@ impl ListEditorView {
                             );
 
                             s.cast.notify_each(
-                                begin ..= end
+                                0 ..= s.data.len().unwrap_or(0)+1
                             );
                         }),
                     data: proj_helper.new_sequence_arg(
@@ -502,11 +569,19 @@ impl ListEditorView {
     }
 }
 
+pub enum ListEditorStyle {
+    HorizontalSexpr,
+    VerticalSexpr,
+    Path,
+    String,
+    Clist,
+    Hex
+}
+
 impl<SubEditor, FnMakeItemEditor> ListEditor<SubEditor, FnMakeItemEditor>
 where SubEditor: TerminalEditor + ?Sized + Send + Sync + 'static,
       FnMakeItemEditor: Fn() -> Arc<RwLock<SubEditor>>
 {
-
     pub fn get_seg_seq_view(&self) -> OuterViewPort<dyn SequenceView<Item = OuterViewPort<dyn TerminalView>>> {
         self.segment_seq
             .map(
@@ -538,9 +613,11 @@ where SubEditor: TerminalEditor + ?Sized + Send + Sync + 'static,
     pub fn horizontal_sexpr_view(&self) -> OuterViewPort<dyn TerminalView> {
         self.get_seg_seq_view().horizontal_sexpr_view(0)
     }
+
     pub fn vertical_sexpr_view(&self) -> OuterViewPort<dyn TerminalView> {
         self.get_seg_seq_view().vertical_sexpr_view(0)
     }
+
     pub fn path_view(&self) -> OuterViewPort<dyn TerminalView> {
         self.get_seg_seq_view()
             .decorate("<", ">", "/", 0)
@@ -553,8 +630,21 @@ where SubEditor: TerminalEditor + ?Sized + Send + Sync + 'static,
             .to_grid_horizontal()
             .flatten()
     }
+    pub fn clist_view(&self) -> OuterViewPort<dyn TerminalView> {
+        self.get_seg_seq_view()
+            .decorate("{", "}", ", ", 1)
+            .to_grid_horizontal()
+            .flatten()
+    }
 
-    pub fn new(make_item_editor: FnMakeItemEditor) -> Self {
+    pub fn hex_view(&self) -> OuterViewPort<dyn TerminalView> {
+        self.get_seg_seq_view()
+            .decorate("0x", "", "", 0)
+            .to_grid_horizontal()
+            .flatten()
+    }
+
+    pub fn new(make_item_editor: FnMakeItemEditor, style: ListEditorStyle) -> Self {
         let cursor_port = ViewPort::new();
         let data_port = ViewPort::new();
 
@@ -570,13 +660,27 @@ where SubEditor: TerminalEditor + ?Sized + Send + Sync + 'static,
             segment_view_port.inner()
         );
 
-        ListEditor {
+        let mut le = ListEditor {
             data,
             data_sequence_port,
             cursor,
             make_item_editor,
             level: 0,
-            segment_seq: segment_view_port.outer()
+            segment_seq: segment_view_port.outer(),
+            terminal_view: make_label("lol"),
+        };
+        le.set_style(style);
+        le
+    }
+
+    pub fn set_style(&mut self, style: ListEditorStyle) {
+        self.terminal_view = match style {
+            ListEditorStyle::HorizontalSexpr => self.horizontal_sexpr_view(),
+            ListEditorStyle::VerticalSexpr => self.vertical_sexpr_view(),
+            ListEditorStyle::Path => self.path_view(),
+            ListEditorStyle::String => self.string_view(),
+            ListEditorStyle::Clist => self.clist_view(),
+            ListEditorStyle::Hex => self.hex_view()
         }
     }
     

nested/src/list/mod.rs

@@ -2,6 +2,6 @@
 pub mod editor;
 pub mod sexpr;
 
-pub use editor::ListEditor;
+pub use editor::{ListEditor, ListEditorStyle};
 pub use sexpr::{SExprView, ListDecoration};
 

nested/src/list/sexpr.rs

@@ -34,7 +34,7 @@ impl SequenceView for ListDecorator {
 
     fn len(&self) -> Option<usize> {
         let l = self.items.len()?;
-        Some(if l == 0 { 2 } else { 2 * l + 2 })
+        Some(if l == 0 { 2 } else { 2 * l + 1 })
     }
 
     fn get(&self, idx: &usize) -> Option<Self::Item> {

nested/src/string_editor.rs

@@ -12,271 +12,52 @@ use {
 
 //<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
 
-#[derive(Clone)]
+pub struct CharEditor {
-pub struct StringEditor {
+    data: SingletonBuffer<Option<char>>,
-    data: VecBuffer<char>,
+    data_port: ViewPort<dyn SingletonView<Item = Option<char>>>
-    cursor: SingletonBuffer<Option<usize>>,
-
-    data_port: ViewPort<RwLock<Vec<char>>>,
-    cursor_port: ViewPort<dyn SingletonView<Item = Option<usize>>>
 }
 
-impl StringEditor {
+impl CharEditor {
     pub fn new() -> Self {
-        let data_port = ViewPort::new();
+        let mut data_port = ViewPort::new();
-        let cursor_port = ViewPort::new();
+        CharEditor {
-
+            data: SingletonBuffer::new(None, data_port.inner()),
-        StringEditor {
+            data_port
-            data: VecBuffer::new(data_port.inner()),
-            cursor: SingletonBuffer::new(None, cursor_port.inner()),
-
-            data_port,
-            cursor_port
         }
     }
 
-    pub fn insert_view(&self) -> OuterViewPort<dyn TerminalView> {
+    pub fn get_data_port(&self) -> OuterViewPort<dyn SingletonView<Item = Option<char>>> {
-        let port = ViewPort::new();
-        insert_view::StringInsertView::new(
-            self.get_cursor_port(),
-            self.get_data_port().to_sequence(),
-            port.inner()
-        );
-
-        port.into_outer()
-    }
-
-    pub fn get_data_port(&self) -> OuterViewPort<RwLock<Vec<char>>> {
         self.data_port.outer()
     }
-
-    pub fn get_cursor_port(&self) -> OuterViewPort<dyn SingletonView<Item = Option<usize>>> {
-        self.cursor_port.outer()
 }
 
-    pub fn insert(&mut self, c: char) -> TreeNavResult {
+impl TreeNav for CharEditor {}
-        self.data.insert(self.cursor.get().unwrap_or(0), c);
+impl TerminalEditor for CharEditor {
-        self.nexd()
-    }
-
-    pub fn delete_prev(&mut self) -> TreeNavResult {
-        let cur = self.cursor.get().unwrap_or(0);
-        if cur <= self.data.len() && cur > 0 {
-            self.data.remove(cur-1);
-        }
-        self.pxev()
-    }
-
-    pub fn delete(&mut self) -> TreeNavResult {
-        let cur = self.cursor.get().unwrap_or(0);
-        if cur < self.data.len() {
-            self.data.remove(cur);
-            TreeNavResult::Continue
-        } else {
-            self.cursor.set(None);
-            TreeNavResult::Exit
-        }
-    }
-}
-
-impl TreeNav for  StringEditor {
-    fn goto(&mut self, tree_pos: Vec<usize>) -> TreeNavResult {
-        if tree_pos.len() == 1 {
-            let new_pos = tree_pos[0];
-            if new_pos <= self.data.len() {
-                self.cursor.set(Some(new_pos));
-                TreeNavResult::Continue
-            } else {
-                self.cursor.set(None);
-                TreeNavResult::Exit
-            }
-        } else {
-            self.cursor.set(None);            
-            TreeNavResult::Exit
-        }
-    }
-
-    fn pxev(&mut self) -> TreeNavResult {
-        let cur = self.cursor.get().unwrap_or(usize::MAX);
-        if cur > 0 {
-            self.cursor.set(Some(cur - 1));
-            TreeNavResult::Continue
-        } else {
-            self.cursor.set(None);
-            TreeNavResult::Exit
-        }        
-    }
-
-    fn nexd(&mut self) -> TreeNavResult {
-        self.goto(vec![ self.cursor.get().unwrap_or(0) + 1 ])
-    }
-
-    fn goto_end(&mut self) -> TreeNavResult {
-        if self.cursor.get() == Some(self.data.len()) {
-            self.up()
-        } else {
-            self.goto(vec![ self.data.len() ])
-        }
-    }
-
-    fn goto_home(&mut self) -> TreeNavResult {
-        if self.cursor.get() == Some(0) {
-            self.up()
-        } else {
-            self.goto(vec![ 0 ])
-        }
-    }
-
-    fn up(&mut self) -> TreeNavResult {
-        self.cursor.set(None);
-        TreeNavResult::Exit
-    }
-
-    fn dn(&mut self) -> TreeNavResult {
-        if self.cursor.get() == Some(0) {
-            self.up()
-        } else {
-            self.goto(vec![0])
-        }
-    }
-}
-
-impl TerminalEditor for StringEditor {
     fn get_term_view(&self) -> OuterViewPort<dyn TerminalView> {
-        self.insert_view()
+        crate::terminal::make_label(
+            &if let Some(c) = self.data.get() {
+                c.to_string()
+            } else {
+                "".to_string()
+            })
     }
 
     fn handle_terminal_event(&mut self, event: &TerminalEvent) -> TerminalEditorResult {
         match event {
-            TerminalEvent::Input(Event::Key(Key::Char('\n'))) => TerminalEditorResult::Continue,
+            TerminalEvent::Input(Event::Key(Key::Char('\n'))) =>
-            TerminalEvent::Input(Event::Key(Key::Char(c))) => match self.insert(*c) {
+                TerminalEditorResult::Continue,
-                TreeNavResult::Exit => TerminalEditorResult::Exit,
+            TerminalEvent::Input(Event::Key(Key::Char(c))) => {
-                TreeNavResult::Continue => TerminalEditorResult::Continue
+                self.data.set(Some(*c));
+                TerminalEditorResult::Exit
             }
-            TerminalEvent::Input(Event::Key(Key::Delete)) => match self.delete()  {
+            TerminalEvent::Input(Event::Key(Key::Backspace)) |
-                TreeNavResult::Exit => TerminalEditorResult::Exit,
+            TerminalEvent::Input(Event::Key(Key::Delete)) => {
-                TreeNavResult::Continue => TerminalEditorResult::Continue
+                self.data.set(None);
-            }
+                TerminalEditorResult::Exit
-            TerminalEvent::Input(Event::Key(Key::Backspace)) => match self.delete_prev() {
-                TreeNavResult::Exit => TerminalEditorResult::Exit,
-                TreeNavResult::Continue => TerminalEditorResult::Continue
             }
             _ => TerminalEditorResult::Continue
         }
     }
 }
 
-//<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
-
-pub mod insert_view {
-    use {
-        std::{
-            sync::Arc,
-            cmp::{min, max}
-        },
-        cgmath::Point2,
-        std::sync::RwLock,
-        crate::{
-            core::{View, Observer, ObserverExt, ObserverBroadcast, OuterViewPort, InnerViewPort},
-            terminal::{TerminalAtom, TerminalStyle, TerminalView},
-            grid::{GridWindowIterator},
-            singleton::{SingletonView},
-            sequence::{SequenceView},
-            index::{IndexView},
-            projection::{ProjectionHelper},
-        }
-    };
-
-    pub struct StringInsertView {
-        cursor: Arc<dyn SingletonView<Item = Option<usize>>>,
-        data: Arc<RwLock<dyn SequenceView<Item = char>>>,
-        cur_pos: Option<usize>,
-
-        cast: Arc<RwLock<ObserverBroadcast<dyn TerminalView>>>,
-        proj_helper: ProjectionHelper<Self>
-    }
-
-    impl View for StringInsertView {
-        type Msg = Point2<i16>;
-    }
-
-    impl IndexView<Point2<i16>> for StringInsertView {
-        type Item = TerminalAtom;
-
-        fn get(&self, pos: &Point2<i16>) -> Option<TerminalAtom> {
-            if pos.y == 0 && pos.x >= 0 {
-                let i = pos.x as usize;
-                let data = self.data.read().unwrap();
-                let len = data.len().unwrap_or(0);
-
-                if i < len+1 {
-                    return Some(
-                        if i < self.cur_pos.unwrap_or(usize::MAX) {
-                            TerminalAtom::from(data.get(&i)?)
-                        } else if i == self.cur_pos.unwrap_or(usize::MAX) {
-                            TerminalAtom::new('|', TerminalStyle::fg_color((90, 60, 200)))
-                        } else {
-                            TerminalAtom::from(data.get(&(i - 1))?)
-                        }
-                    );
-                }
-            }
-
-            None
-        }
-
-        fn area(&self) -> Option<Vec<Point2<i16>>> {
-            Some(GridWindowIterator::from(
-                Point2::new(0, 0) .. Point2::new(self.data.len()? as i16 + if self.cursor.get().is_some() { 1 } else { 0 }, 1)
-            ).collect())
-        }
-    }
-
-    impl StringInsertView {
-        pub fn new(
-            cursor_port: OuterViewPort<dyn SingletonView<Item = Option<usize>>>,
-            data_port: OuterViewPort<dyn SequenceView<Item = char>>,
-            out_port: InnerViewPort<dyn TerminalView>
-        ) -> Arc<RwLock<Self>> {
-            let mut proj_helper = ProjectionHelper::new(out_port.0.update_hooks.clone());
-
-            let proj = Arc::new(RwLock::new(
-                StringInsertView {
-                    cursor: proj_helper.new_singleton_arg(
-                        cursor_port,
-                        |s: &mut Self, _msg| {
-                            let old_pos = s.cur_pos.unwrap_or(0);
-                            s.cur_pos = s.cursor.get();
-                            let new_pos = s.cur_pos.unwrap_or(0);
-                            s.cast.notify_each(GridWindowIterator::from(Point2::new(min(old_pos, new_pos) as i16,0) ..= Point2::new(max(old_pos, new_pos) as i16, 0)))
-                        }),
-
-                    data: proj_helper.new_sequence_arg(
-                        data_port,
-                        |s: &mut Self, idx| {
-                            s.cast.notify(&Point2::new(
-                                if *idx < s.cur_pos.unwrap_or(0) {
-                                    *idx as i16
-                                } else {
-                                    *idx as i16 + 1
-                                },
-                                0
-                            ));
-                        }),
-
-                    cur_pos: None,
-                    cast: out_port.get_broadcast(),
-
-                    proj_helper
-                }
-            ));
-
-            proj.write().unwrap().proj_helper.set_proj(&proj);
-            out_port.set_view(Some(proj.clone()));
-
-            proj
-        }
-    }
-}
-
 

shell/src/main.rs

@@ -17,7 +17,7 @@ use{
         index::{IndexView},
         sequence::{SequenceView},
         vec::{VecBuffer},
-        integer::{RadixProjection},
+        integer::{RadixProjection, DigitEditor},
         terminal::{
             Terminal,
             TerminalStyle,
@@ -27,9 +27,9 @@ use{
             make_label,
             TerminalView,
             TerminalEditor},
-        string_editor::StringEditor,
+        string_editor::{CharEditor},
         tree_nav::{TreeNav, TreeNavResult, TerminalTreeEditor},
-        list::{SExprView, ListEditor}
+        list::{SExprView, ListEditor, ListEditorStyle}
     }
 };
 
@@ -81,197 +81,14 @@ write::
 
     */
 
-    let mut args = std::env::args();
-/*
-    let arg0_port = ViewPort::new();
-    let _arg0 = VecBuffer::<char>::with_data(
-        args.next().expect("Arg $0 missing!")
-            .chars().collect::<Vec<char>>(),
-        arg0_port.inner()
-    );
-*/
-    let arg1_vec_port = ViewPort::new();
-    let mut arg1 = VecBuffer::<char>::with_data(
-        vec!['1'],
-/*
-        args.next().expect("Arg $1 missing!")
-            .chars().collect::<Vec<char>>(),
-*/
-        arg1_vec_port.inner()
-    );
-/*
-    let _arg1_vec = args.next().expect("Arg $1 missing!")
-            .chars().collect::<Vec<char>>();
-*/
     let term_port = ViewPort::new();
     let compositor = TerminalCompositor::new(term_port.inner());
 
-    let mut ed = StringEditor::new();
-
     let mut term = Terminal::new(term_port.outer());
     let term_writer = term.get_writer();
 
     async_std::task::spawn(
         async move {
-            let mut ctx = Context::new();
-            for tn in vec![
-                "MachineWord", "MachineInt", "MachineSyllab", "Bits",
-                "Vec", "Stream", "Json",
-                "Sequence", "UTF-8-String", "UnicodeChar",
-                "PositionalInt", "Digit", "LittleEndian", "BigEndian",
-                "DiffStream", "ℕ"
-            ] { ctx.add_typename(tn.into()); }
-
-            let src_type =
-                ctx.type_term_from_str("( Vec UnicodeChar )").unwrap();
-
-            let dst_type =
-                ctx.type_term_from_str("( Sequence UnicodeChar )").unwrap();
-
-            ctx.add_morphism(
-                MorphismType {
-                    mode: MorphismMode::Epi,
-                    src_type: src_type.clone(),
-                    dst_type: dst_type.clone()
-                },
-                Box::new(move |src| {
-                    assert!(src.type_tag == src_type);
-                    Object {
-                        type_tag: dst_type.clone(),
-                        repr: ReprTree::new_leaf(
-                            src.get_port::<RwLock<Vec<char>>>().unwrap()
-                                .to_sequence()
-                                .into()
-                        )
-                    }
-                })
-            );
-
-            let src_type = ctx.type_term_from_str("( Sequence UnicodeChar )").unwrap();
-            let dst_type = ctx.type_term_from_str("( Sequence ( Bits 32 ) )").unwrap();
-            ctx.add_morphism(
-                MorphismType {
-                    mode: MorphismMode::Mono,
-                    src_type: src_type.clone(),
-                    dst_type: dst_type.clone()
-                },
-                Box::new({
-                    move |src| {
-                        assert!(src.type_tag == src_type);
-                        Object {
-                            type_tag: dst_type.clone(),
-                            repr: ReprTree::new_leaf(
-                                src.get_port::<dyn SequenceView<Item = char>>().unwrap()
-                                    .map(
-                                        |c| *c as u32
-                                    )
-                                    .into()
-                            )
-                        }
-                    }
-                })
-            );
-
-/*
-            let src_type = vec![
-                ctx.type_term_from_str("( PositionalInteger  )").unwrap(),
-            ];
-            let dst_type = ctx.type_term_from_str("( Sequence MachineInt )").unwrap();
-            ctx.add_morphism(
-                MorphismType {
-                    mode: MorphismMode::Epi,
-                    src_type: src_type.clone(),
-                    dst_type: dst_type.clone()
-                },
-                Box::new({
-                    move |src| {
-                        assert!(src.type_tag == src_type);
-                        Object {
-                            type_tag: dst_type.clone(),
-                            repr: ReprTree::new_leaf(
-                                vec![ dst_type.clone() ].into_iter(),
-                                src.get_port::<RwLock<Vec<usize>>>().unwrap().to_sequence().into()                                
-                            )
-                        }
-                    }
-                })
-            );
-             */
- 
-            let arg1_vec_port = ed.get_data_port();
-
-            ctx.add_obj("$1".into(), "( Vec UnicodeChar )");
-            ctx.insert_repr(
-                "$1",
-                vec![].into_iter(),
-                arg1_vec_port.clone().into()
-            );
-
-            ctx.epi_cast("$1", "( Sequence UnicodeChar )");
-            ctx.epi_cast("$1", "( Sequence ( Digit 10 ) )");
-            ctx.epi_cast("$1", "( PositionalInt 10 LittleEndian )");
-            ctx.epi_cast("$1", "( ℕ )");
-
-            let arg1_dec_unic_port: OuterViewPort<dyn SequenceView<Item = char>> =
-                ctx.mono_view(
-                    "$1",
-                    vec![
-                        "( PositionalInt 10 LittleEndian )",
-                        "( Sequence ( Digit 10 ) )",
-                        "( Sequence UnicodeChar )"
-                    ].into_iter()
-                ).unwrap();
-
-            let arg1_dec_mint_port: OuterViewPort<dyn SequenceView<Item = usize>> =
-                arg1_dec_unic_port
-                .map(|c| c.to_digit(10).map(|x| x as usize))
-                .filter(|d| d.is_some())
-                .map(|d| d.unwrap());
-
-            ctx.insert_repr(
-                "$1",
-                vec![
-                    "( PositionalInt 10 LittleEndian )",
-                    "( Sequence ( Digit 10 ) )",
-                    "( Sequence MachineInt )"
-                ].into_iter(),
-                arg1_dec_mint_port.clone().into()
-            );
-
-            let arg1_hex_mint_port: ViewPort<RwLock<Vec<usize>>>
-                = ViewPort::new();
-            let _radix_proj = RadixProjection::new(
-                10,
-                16,
-                arg1_dec_mint_port.clone(),
-                arg1_hex_mint_port.inner()
-            );
-
-            ctx.insert_repr(
-                "$1",
-                vec![
-                    "( PositionalInt 16 LittleEndian )",
-                    "( Sequence ( Digit 16 ) )",
-                    "( Sequence MachineInt )"
-                ].into_iter(),
-                arg1_hex_mint_port.outer().to_sequence().into()
-            );
-
-            let arg1_hex_unic_port: OuterViewPort<dyn SequenceView<Item = char>> =
-                arg1_hex_mint_port.outer().to_sequence()
-                .map(
-                    |d| char::from_digit(*d as u32, 16).unwrap()
-                );
-
-            ctx.insert_repr(
-                "$1",
-                vec![
-                    "( PositionalInt 16 LittleEndian )",
-                    "( Sequence ( Digit 16 ) )",
-                    "( Sequence UnicodeChar )"
-                ].into_iter(),
-                arg1_hex_unic_port.clone().into()
-            );
 
                 let magic = make_label("<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>")
                     .map_item(
@@ -302,19 +119,33 @@ write::
 
             // TypeEditor
 
-            let make_sub_editor = || {
+            let make_char_editor = || {
-                std::sync::Arc::new(std::sync::RwLock::new(StringEditor::new()))
+                std::sync::Arc::new(std::sync::RwLock::new(DigitEditor::new(16)))
             };
 
-            let mut te = ListEditor::new(make_sub_editor.clone());
+            let make_sub_editor = move || {
+                std::sync::Arc::new(std::sync::RwLock::new(ListEditor::new(make_char_editor.clone(), ListEditorStyle::Hex)))
+            };
+
+            let mut te = ListEditor::new(make_sub_editor.clone(), ListEditorStyle::Clist);
 
             compositor.write().unwrap().push(
-                te.path_view()
+                te.get_term_view()
                     .offset(cgmath::Vector2::new(40,y))
             );
             y += 1;
 
-            let mut p = te.get_data_port().map(|string_editor| string_editor.read().unwrap().get_data_port());
+            let mut p = te.get_data_port().map(|sub_editor| sub_editor.read().unwrap().get_data_port());
+
+            let status_chars_port = ViewPort::new();
+            let mut status_chars = VecBuffer::new(status_chars_port.inner());
+
+            compositor.write().unwrap().push(
+                status_chars_port.outer()
+                    .to_sequence()
+                    .to_grid_horizontal()
+                    .offset(cgmath::Vector2::new(40, 2))
+            );
 
             loop {
                 term_port.update();
@@ -343,10 +174,19 @@ write::
                     }
                     TerminalEvent::Input(Event::Key(Key::Up)) => { te.up(); }
                     TerminalEvent::Input(Event::Key(Key::Down)) => { te.dn(); }
-                    TerminalEvent::Input(Event::Key(Key::Home)) => { te.goto_home(); }
+                    TerminalEvent::Input(Event::Key(Key::Home)) => {
-                    TerminalEvent::Input(Event::Key(Key::End)) => { te.goto_end(); }
+                        if te.goto_home() == TreeNavResult::Exit {
+                            te.goto_home();
+                        }
+                    }
+                    TerminalEvent::Input(Event::Key(Key::End)) => {
+                        if te.goto_end() == TreeNavResult::Exit {
+                            te.goto_end();
+                        }
+                    }
 
                     TerminalEvent::Input(Event::Key(Key::Char('\n'))) => {
+                        /*
                         let mut strings = Vec::new();
 
                         let v = p.get_view().unwrap();
@@ -412,12 +252,27 @@ write::
                         y += 1;
 
                         p = te.get_data_port().map(|string_editor| string_editor.read().unwrap().get_data_port());
+*/
                     },
                     ev => {
                         te.handle_terminal_event(&ev);
                     }
                     _ => {}
                 }
+
+                status_chars.clear();
+                match te.get_cursor() {
+                    Some(addr) => {
+                        status_chars.push(TerminalAtom::new('@', TerminalStyle::fg_color((120, 80, 80)).add(TerminalStyle::bold(true))));
+                        for x in addr {
+                            for c in format!("{}", x).chars() {
+                                status_chars.push(TerminalAtom::new(c, TerminalStyle::fg_color((0, 100, 20))));
+                            }
+                            status_chars.push(TerminalAtom::new('.', TerminalStyle::fg_color((120, 80, 80))));
+                        }
+                    }
+                    None => {}
+                }
             }
 
             //drop(term);