groovebox: looks surprisingly well

crates/device/src/browser/browser_view.rs

@@ -1,19 +1,33 @@
 use crate::*;
 
-content!(TuiOut: |self: Browser| /*Stack::down(|add|{
-    let mut i = 0;
-    for (_, name) in self.dirs.iter() {
-        if i >= self.scroll {
-            add(&Tui::bold(i == self.index, name.as_str()))?;
+content!(TuiOut: |self: Browser|Map::south(1, ||EntriesIterator {
+    offset:  0,
+    index:   0,
+    length:  self.dirs.len() + self.files.len(),
+    browser: self,
+}, |entry, index|Fill::x(Align::w(entry))));
+
+struct EntriesIterator<'a> {
+    browser: &'a Browser,
+    offset:  usize,
+    length:  usize,
+    index:   usize,
+}
+
+impl<'a> Iterator for EntriesIterator<'a> {
+    type Item = Modify<&'a str>;
+    fn next (&mut self) -> Option<Self::Item> {
+        let dirs  = self.browser.dirs.len();
+        let files = self.browser.files.len();
+        let index = self.index;
+        if self.index < dirs {
+            self.index += 1;
+            Some(Tui::bold(true, self.browser.dirs[index].1.as_str()))
+        } else if self.index < dirs + files {
+            self.index += 1;
+            Some(Tui::bold(false, self.browser.files[index - dirs].1.as_str()))
+        } else {
+            None
         }
-        i += 1;
     }
-    for (_, name) in self.files.iter() {
-        if i >= self.scroll {
-            add(&Tui::bold(i == self.index, name.as_str()))?;
-        }
-        i += 1;
-    }
-    add(&format!("{}/{i}", self.index))?;
-    Ok(())
-})*/"todo");
+}