fix: add the rune for KeyCtrlA through KeyCtrlZ.

Author: gdamore

key.go

@@ -263,8 +263,8 @@ func NewEventKey(k Key, ch rune, mod ModMask) *EventKey {
 			default:
 				// most likely entered with a CTRL keypress
 				mod = ModCtrl
-				ch = ch + '\x60'
 			}
+			ch = ch + '\x60'
 		}
 	}
 	if k == KeyRune && ch >= '@' && ch <= '_' && mod == ModCtrl {
@@ -284,6 +284,14 @@ func NewEventKey(k Key, ch rune, mod ModMask) *EventKey {
 		mod = ModNone
 	}
 
+	if k >= KeyCtrlA && k <= KeyCtrlZ {
+		if mod&ModShift != 0 {
+			ch = rune((k - KeyCtrlA) + 'A')
+		} else {
+			ch = rune((k - KeyCtrlA) + 'a')
+		}
+	}
+
 	// Backspace2 is just another name for backspace.
 	if k == KeyBackspace2 {
 		k = KeyBackspace