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Diffstat (limited to '')
-rw-r--r-- | lib/input_screen.ml | 15 |
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 |