Add arrow-key bindings for window switching (#933)

book/src/keymap.md

@@ -188,10 +188,10 @@ This layer is similar to vim keybindings as kakoune does not support window.
 | `w`, `Ctrl-w` | Switch to next window   | `rotate_view`     |
 | `v`, `Ctrl-v` | Vertical right split    | `vsplit`          |
 | `s`, `Ctrl-s` | Horizontal bottom split | `hsplit`          |
-| `h`, `Ctrl-h` | Move to left split      | `jump_view_left`  |
+| `h`, `Ctrl-h`, `left` | Move to left split      | `jump_view_left`  |
-| `j`, `Ctrl-j` | Move to split below     | `jump_view_down`  |
+| `j`, `Ctrl-j`, `down` | Move to split below     | `jump_view_down`  |
-| `k`, `Ctrl-k` | Move to split above     | `jump_view_up`    |
+| `k`, `Ctrl-k`, `up` | Move to split above     | `jump_view_up`    |
-| `l`, `Ctrl-l` | Move to right split     | `jump_view_right` |
+| `l`, `Ctrl-l`, `right` | Move to right split     | `jump_view_right` |
 | `q`, `Ctrl-q` | Close current window    | `wclose`          |
 
 #### Space mode

helix-term/src/keymap.rs

@@ -540,10 +540,10 @@ impl Default for Keymaps {
                 "C-s" | "s" => hsplit,
                 "C-v" | "v" => vsplit,
                 "C-q" | "q" => wclose,
-                "C-h" | "h" => jump_view_left,
+                "C-h" | "h" | "left" => jump_view_left,
-                "C-j" | "j" => jump_view_down,
+                "C-j" | "j" | "down" => jump_view_down,
-                "C-k" | "k" => jump_view_up,
+                "C-k" | "k" | "up" => jump_view_up,
-                "C-l" | "l" => jump_view_right,
+                "C-l" | "l" | "right" => jump_view_right,
             },
 
             // move under <space>c