tree indent

examples/tree.rs

@@ -2,11 +2,11 @@ use promkit::{error::Result, preset::Tree, tree::Node};
 
 fn main() -> Result {
     let mut p = Tree::new(Node::new("/").add_children([
-        Node::new("a").add_children([Node::new("aa"), Node::new("ab")]),
-        Node::new("b"),
-        Node::new("c"),
+        Node::new("foo").add_children([Node::new("test1.txt"), Node::new("test2.txt")]),
+        Node::new("bar"),
+        Node::new("baz"),
     ]))
-    .title("What number do you like?")
+    .title("Select a directory or file")
     .lines(10)
     .prompt()?;
     println!("result: {:?}", p.run()?);

src/components/tree_viewer.rs

@@ -31,14 +31,15 @@ impl TreeViewer {
             .map(|(i, item)| {
                 if i == self.tree.position {
                     Graphemes::new_with_style(
-                        format!("{}{}", self.cursor, item.data),
+                        format!("{}{}{}", self.cursor, " ".repeat(item.depth), item.data),
                         self.cursor_style,
                     )
                 } else {
                     Graphemes::new_with_style(
                         format!(
-                            "{}{}",
+                            "{}{}{}",
                             " ".repeat(Graphemes::new(self.cursor.clone()).widths()),
+                            " ".repeat(item.depth),
                             item.data
                         ),
                         self.style,