Support backward/forward by word with ctrl+<-/->

doc/shortcut.md

@@ -7,16 +7,16 @@ Notice: `Meta`+`B` is equals with `Alt`+`B` in windows.
 * Shortcut in normal mode
 
 | Shortcut                  | Comment                           |
-| ------------------ | --------------------------------- |
+| ------------------------- | --------------------------------- |
 | `Ctrl`+`A`                | Beginning of line                 |
 | `Ctrl`+`B` / `←`          | Backward one character            |
-| `Meta`+`B`         | Backward one word                 |
+| `Meta`+`B` / `Ctrl`+`←`   | Backward one word                 |
 | `Ctrl`+`C`                | Send io.EOF                       |
 | `Ctrl`+`D`                | Delete one character              |
 | `Meta`+`D`                | Delete one word                   |
 | `Ctrl`+`E`                | End of line                       |
 | `Ctrl`+`F` / `→`          | Forward one character             |
-| `Meta`+`F`         | Forward one word                  |
+| `Meta`+`F` / `Ctrl`+`→`   | Forward one word                  |
 | `Ctrl`+`G`                | Cancel                            |
 | `Ctrl`+`H`                | Delete previous character         |
 | `Ctrl`+`I` / `Tab`        | Command line completion           |

utils.go

@@ -101,9 +101,17 @@ func escapeExKey(key *escapeKeyPair) rune {
 	var r rune
 	switch key.typ {
 	case 'D':
+		if key.attr == "1;5" {
+			r = MetaBackward
+		} else {
 			r = CharBackward
+		}
 	case 'C':
+		if key.attr == "1;5" {
+			r = MetaForward
+		} else {
 			r = CharForward
+		}
 	case 'A':
 		r = CharPrev
 	case 'B':