wip: cleanup, begin reconnecting ports

tui/src/tui_buffer.rs

@@ -1,5 +1,17 @@
 use crate::*;
 
+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);
+            }
+        }
+    }
+}
+
 #[derive(Default)]
 pub struct BigBuffer {
     pub width:   usize,

tui/src/tui_engine.rs

@@ -2,9 +2,9 @@ use crate::*;
 
 pub struct Tui {
     pub exited:  Arc<AtomicBool>,
-    pub buffer:  Buffer,
     pub backend: CrosstermBackend<Stdout>,
-    pub area:    [u16;4], // FIXME auto resize
+    pub buffer:  Buffer,
+    pub area:    [u16;4],
 }
 
 impl Tui {

tui/src/tui_output.rs

@@ -79,23 +79,3 @@ pub fn buffer_update (buf: &mut Buffer, area: [u16;4], callback: &impl Fn(&mut C
         }
     }
 }
-
-///////////////////////////////////////////////////////////////////////////////////////////////////
-
-//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<TuiOut>> Render<TuiOut> for T {}