From 123ba3b46acd16d420b82d5a25c5a4c50135afe6 Mon Sep 17 00:00:00 2001
From: Federico Igne <undyamon@disroot.org>
Date: Fri, 12 Jan 2024 19:00:24 +0100
Subject: feat: add support for "instant" normal commands (like [J]oin)

---
 lib/editor.ml | 57 ++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 44 insertions(+), 13 deletions(-)

(limited to 'lib/editor.ml')

diff --git a/lib/editor.ml b/lib/editor.ml
index 2e031e1..adc9994 100644
--- a/lib/editor.ml
+++ b/lib/editor.ml
@@ -228,37 +228,68 @@ let handle_normal_command =
   (* | Key 'x' | Delete -> Buffer.Action.delete_after |> on_focused_buffer_or_new *)
   (* | Key 'X' -> Buffer.Action.delete_before |> on_focused_buffer_or_new *)
   (* | Key '$' -> Buffer.Action.eol |> on_focused_buffer_or_new *)
-  | Shortcut (_, n, Change, Line) ->
+  (* Change *)
+  | Shortcut (_, n, Change) ->
       let n = Option.value ~default:1 n - 1 in
+      (Buffer.Action.(
+         delete_to_eol &> move_down &> delete_lines ~n &> move_up &> eol)
+      |> on_focused_buffer_or_new)
+      *> set_mode Insert
+  | Chord (_, n1, Change, n2, Line) ->
+      let n = Option.((value ~default:1 n1 * value ~default:1 n2) - 1) in
+      (Buffer.Action.(delete_lines ~n &> bol &> delete_to_eol)
+      |> on_focused_buffer_or_new)
+      *> set_mode Insert
+  | Chord (_, n1, Change, n2, Down) ->
+      let n = Option.(value ~default:1 n1 * value ~default:1 n2) in
       (Buffer.Action.(delete_lines ~n &> bol &> delete_to_eol)
       |> on_focused_buffer_or_new)
       *> set_mode Insert
-  | Shortcut (_, _, Change, To_eol) ->
-      (Buffer.Action.delete_to_eol |> on_focused_buffer_or_new)
+  | Chord (_, n1, Change, n2, Left) ->
+      let n = Option.(value ~default:1 n1 * value ~default:1 n2) in
+      (Buffer.Action.delete_before ~n |> on_focused_buffer_or_new)
       *> set_mode Insert
-  | Shortcut (_, _, Change, To_bol) ->
-      (Buffer.Action.delete_to_bol |> on_focused_buffer_or_new)
+  | Chord (_, n1, Change, n2, Right) ->
+      let n = Option.(value ~default:1 n1 * value ~default:1 n2) in
+      (Buffer.Action.delete_after ~n |> on_focused_buffer_or_new)
+      *> set_mode Insert
+  | Chord (_, n1, Change, n2, Up) ->
+      let n = Option.(value ~default:1 n1 * value ~default:1 n2) in
+      (Buffer.Action.(bol &> delete_to_eol &> delete_lines_before ~n)
+      |> on_focused_buffer_or_new)
       *> set_mode Insert
   (* Delete *)
+  | Shortcut (_, n, Delete) ->
+      let n = Option.value ~default:1 n - 1 in
+      Buffer.Action.(
+        delete_to_eol &> move_down &> delete_lines ~n &> move_up &> eol)
+      |> on_focused_buffer_or_new
+  | Chord (_, n1, Delete, n2, Line) ->
+      let n = Option.(value ~default:1 n1 * value ~default:1 n2) in
+      Buffer.Action.delete_lines ~n |> on_focused_buffer_or_new
   | Chord (_, n1, Delete, n2, Down) ->
       let n = Option.((value ~default:1 n1 * value ~default:1 n2) + 1) in
       Buffer.Action.delete_lines ~n |> on_focused_buffer_or_new
   | Chord (_, n1, Delete, n2, Left) ->
       let n = Option.(value ~default:1 n1 * value ~default:1 n2) in
       Buffer.Action.delete_before ~n |> on_focused_buffer_or_new
+  | Shortcut (_, n, Erase_before) ->
+      let n = Option.(value ~default:1 n) in
+      Buffer.Action.delete_before ~n |> on_focused_buffer_or_new
   | Chord (_, n1, Delete, n2, Right) ->
       let n = Option.(value ~default:1 n1 * value ~default:1 n2) in
       Buffer.Action.delete_after ~n |> on_focused_buffer_or_new
+  | Shortcut (_, n, Erase_after) ->
+      let n = Option.(value ~default:1 n) in
+      Buffer.Action.delete_after ~n |> on_focused_buffer_or_new
   | Chord (_, n1, Delete, n2, Up) ->
-      let n = Option.((value ~default:1 n1 * value ~default:1 n2) + 1) in
-      Buffer.Action.delete_lines_before ~n |> on_focused_buffer_or_new
-  | Shortcut (_, n, Delete, Line) ->
-      Buffer.Action.delete_lines ~n:Option.(value ~default:1 n)
+      let n = Option.(value ~default:1 n1 * value ~default:1 n2) in
+      Buffer.Action.(delete_lines ~n:1 &> delete_lines_before ~n)
       |> on_focused_buffer_or_new
-  | Shortcut (_, _, Delete, To_eol) ->
-      Buffer.Action.delete_to_eol |> on_focused_buffer_or_new
-  | Shortcut (_, _, Delete, To_bol) ->
-      Buffer.Action.delete_to_bol |> on_focused_buffer_or_new
+  (* Join *)
+  | Shortcut (_, n, Join) ->
+      let n = Option.(value ~default:1 n) in
+      Buffer.Action.join_lines ~n |> on_focused_buffer_or_new
   | _ -> noop
 
 let handle_next_command m e =
-- 
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