Add TODOs, update help, rebind keys

1 files changed, 9 insertions, 6 deletions

diff --git a/lib/input_screen.ml b/lib/input_screen.ml
index 3fae53c..45979aa 100644
--- a/lib/input_screen.ml
+++ b/lib/input_screen.ml
@@ -22,12 +22,15 @@ let rec render t ({ user_input; on_enter; on_cancel; screen; prompt } as state)
   | `End | `Key (`ASCII 'G', [ `Ctrl ]) | `Key (`ASCII 'C', [ `Ctrl ]) -> on_cancel ()
   | `Key (`Enter, []) -> on_enter user_input
   | `Key (`Backspace, []) ->
-    let state =
-      { state with
-        user_input = String.sub user_input 0 (max (String.length user_input - 1) 0)
-      }
-    in
-    render t state
+    if String.equal "" user_input
+    then on_cancel ()
+    else (
+      let state =
+        { state with
+          user_input = String.sub user_input 0 (max (String.length user_input - 1) 0)
+        }
+      in
+      render t state)
   | `Resize _ -> render t state
   | `Key (`ASCII c, []) ->
     let state = { state with user_input = user_input ^ String.make 1 c } in