wip: basic editing

src/keys.rs

@@ -2,6 +2,14 @@ use crate::*;
 use opener::open;
 
 macro_rules! press {
+    (Shift-$($key:tt)+) => {
+        Event::Key(KeyEvent {
+            code:      KeyCode::$($key)+,
+            kind:      KeyEventKind::Press,
+            modifiers: KeyModifiers::SHIFT,
+            state:     KeyEventState::NONE
+        })
+    };
     ($($key:tt)+) => {
         Event::Key(KeyEvent {
             code:      KeyCode::$($key)+,
@@ -9,7 +17,7 @@ macro_rules! press {
             modifiers: KeyModifiers::NONE,
             state:     KeyEventState::NONE
         })
-    }
+    };
 }
 
 impl Handle<TuiIn> for Taggart {
@@ -17,24 +25,26 @@ impl Handle<TuiIn> for Taggart {
         let x_min = self.offset;
         let x_max = self.offset + self.size.h().saturating_sub(1);
         let event = &*input.event();
-        match event {
+        match &self.editing {
-            press!(Up)        => { self.cursor = self.cursor.saturating_sub(1); },
+            Some(_value) => match event {
-            press!(Down)      => { self.cursor = self.cursor + 1; },
+                press!(Char(c))       => self.edit_insert(*c),
-            press!(PageUp)    => { self.cursor = self.cursor.saturating_sub(PAGE_SIZE); },
+                press!(Shift-Char(c)) => self.edit_insert(c.to_uppercase().next().unwrap()),
-            press!(PageDown)  => { self.cursor += PAGE_SIZE; },
+                press!(Backspace)     => self.edit_backspace(),
-            press!(Left)      => { self.column = self.column.saturating_sub(1); },
+                press!(Delete)        => self.edit_delete(),
-            press!(Right)     => { self.column = self.column + 1; },
+                press!(Enter)         => self.edit_cancel(),
-            press!(Char(' ')) => { open(&self.paths[self.cursor].path)?; }
+                press!(Esc)           => self.edit_confirm(),
-            _ => match &self.editing {
+                _ => {}
-                Some(_value) => match event {
+            },
-                    press!(Enter) => todo!(),
+            None => match event {
-                    press!(Esc) => todo!(),
+                press!(Up)        => { self.cursor = self.cursor.saturating_sub(1); },
-                    _ => {}
+                press!(Down)      => { self.cursor = self.cursor + 1; },
-                },
+                press!(PageUp)    => { self.cursor = self.cursor.saturating_sub(PAGE_SIZE); },
-                None => match event {
+                press!(PageDown)  => { self.cursor += PAGE_SIZE; },
-                    press!(Enter) => todo!(),
+                press!(Left)      => { self.column = self.column.saturating_sub(1); },
-                    _ => {}
+                press!(Right)     => { self.column = self.column + 1; },
-                }
+                press!(Char(' ')) => { open(&self.paths[self.cursor].path)?; }
+                press!(Enter) => self.edit_begin(),
+                _ => {}
             }
         }
         if self.cursor < x_min {

src/main.rs

@@ -41,37 +41,3 @@ fn main () -> Usually<()> {
     let state = Arc::new(RwLock::new(Taggart::new(&path)?));
     Tui::new()?.run(&state)
 }
-
-impl Taggart {
-
-    fn new (root: &impl AsRef<Path>) -> Usually<Self> {
-        Ok(Self {
-            _root:   root.as_ref().into(),
-            paths:   Self::collect(root)?,
-            cursor:  0,
-            offset:  0,
-            column:  0,
-            size:    Measure::new(),
-            editing: None,
-            columns: Columns::default(),
-        })
-    }
-
-    fn collect (root: &impl AsRef<Path>) -> Usually<Vec<Entry>> {
-        let mut paths = vec![];
-        for entry in WalkDir::new(&root).into_iter()
-            .filter_entry(|e|!e.file_name().to_str().map(|s|s.starts_with(".")).unwrap_or(false))
-        {
-            let entry = entry?;
-            if entry.depth() == 0 {
-                continue
-            }
-            if let Some(entry) = Entry::new(root, &entry)? {
-                paths.push(entry);
-            }
-        }
-        paths.sort();
-        Ok(paths)
-    }
-
-}

src/model.rs

@@ -10,7 +10,60 @@ pub struct Taggart {
     pub column:    usize,
     pub columns:   Columns<Entry>,
     pub size:      Measure<TuiOut>,
-    pub editing:   Option<String>,
+    pub editing:   Option<(usize, String)>,
+}
+
+impl Taggart {
+    pub fn new (root: &impl AsRef<Path>) -> Usually<Self> {
+        Ok(Self {
+            _root:   root.as_ref().into(),
+            paths:   Self::collect(root)?,
+            cursor:  0,
+            offset:  0,
+            column:  0,
+            size:    Measure::new(),
+            editing: None,
+            columns: Columns::default(),
+        })
+    }
+    pub fn collect (root: &impl AsRef<Path>) -> Usually<Vec<Entry>> {
+        let mut paths = vec![];
+        for entry in WalkDir::new(&root).into_iter()
+            .filter_entry(|e|!e.file_name().to_str().map(|s|s.starts_with(".")).unwrap_or(false))
+        {
+            let entry = entry?;
+            if entry.depth() == 0 {
+                continue
+            }
+            if let Some(entry) = Entry::new(root, &entry)? {
+                paths.push(entry);
+            }
+        }
+        paths.sort();
+        Ok(paths)
+    }
+    pub fn edit_begin (&mut self) {
+        let value = (self.columns.0[self.column].value)(&self.paths[self.cursor]);
+        let value = format!("{}", value.unwrap_or_default());
+        self.editing = Some((value.len(), value));
+    }
+    pub fn edit_cancel (&mut self) {
+        self.editing = None;
+    }
+    pub fn edit_confirm (&mut self) {
+        self.editing = None;
+    }
+    pub fn edit_insert (&mut self, c: char) {
+        if let Some((index, value)) = &mut self.editing {
+            self.editing = Some((*index, format!("{value}{c}")));
+        }
+    }
+    pub fn edit_backspace (&mut self) {
+        todo!()
+    }
+    pub fn edit_delete (&mut self) {
+        todo!()
+    }
 }
 
 #[derive(Ord, Eq, PartialEq, PartialOrd)]

src/view.rs

@@ -3,9 +3,9 @@ use tek_tui::ratatui::{style::{Color, Style}, prelude::Stylize};
 use pad::PadStr;
 
 pub struct Column<T> {
-    title: Arc<str>,
+    pub title: Arc<str>,
-    width: usize,
+    pub width: usize,
-    value: Box<dyn Fn(&T)->Option<Arc<str>> + Send + Sync>,
+    pub value: Box<dyn Fn(&T)->Option<Arc<str>> + Send + Sync>,
 }
 
 impl<T> Column<T> {
@@ -101,6 +101,10 @@ impl<'a> Content<TuiOut> for TreeTable<'a> {
                             to.fill_bg(fill, Color::Rgb(192, 128, 0));
                             let fill = [area.x() + x as u16, y, w, 1];
                             to.fill_bg(fill, Color::Rgb(224, 192, 0));
+                            if let Some((index, value)) = &self.0.editing {
+                                let x = area.x() + if x > 0 { x + 1 } else { x } as u16;
+                                to.blit(&value, x, y, None)
+                            }
                         }
                     }
                 }