De-duplicate code for KeyEvent creation

Author: dmaluka

internal/action/bufpane.go

@@ -469,13 +469,7 @@ func (h *BufPane) HandleEvent(event tcell.Event) {
 		h.paste(e.Text())
 		h.Relocate()
 	case *tcell.EventKey:
-		ke := KeyEvent{
-			code: e.Key(),
-			mod:  metaToAlt(e.Modifiers()),
-		}
-		if e.Key() == tcell.KeyRune {
-			ke.r = e.Rune()
-		}
+		ke := keyEvent(e)
 
 		done := h.DoKeyEvent(ke)
 		if !done && e.Key() == tcell.KeyRune {

internal/action/events.go

@@ -44,6 +44,17 @@ func metaToAlt(mod tcell.ModMask) tcell.ModMask {
 	return mod
 }
 
+func keyEvent(e *tcell.EventKey) KeyEvent {
+	ke := KeyEvent{
+		code: e.Key(),
+		mod:  metaToAlt(e.Modifiers()),
+	}
+	if e.Key() == tcell.KeyRune {
+		ke.r = e.Rune()
+	}
+	return ke
+}
+
 func (k KeyEvent) Name() string {
 	if k.any {
 		return "<any>"
@@ -155,14 +166,7 @@ func (m MouseEvent) Name() string {
 func ConstructEvent(event tcell.Event) (Event, error) {
 	switch e := event.(type) {
 	case *tcell.EventKey:
-		ke := KeyEvent{
-			code: e.Key(),
-			mod:  metaToAlt(e.Modifiers()),
-		}
-		if e.Key() == tcell.KeyRune {
-			ke.r = e.Rune()
-		}
-		return ke, nil
+		return keyEvent(e), nil
 	case *tcell.EventRaw:
 		return RawEvent{
 			esc: e.EscSeq(),

internal/action/infopane.go

@@ -86,13 +86,7 @@ func (h *InfoPane) HandleEvent(event tcell.Event) {
 	case *tcell.EventResize:
 		// TODO
 	case *tcell.EventKey:
-		ke := KeyEvent{
-			code: e.Key(),
-			mod:  metaToAlt(e.Modifiers()),
-		}
-		if e.Key() == tcell.KeyRune {
-			ke.r = e.Rune()
-		}
+		ke := keyEvent(e)
 
 		done := h.DoKeyEvent(ke)
 		hasYN := h.HasYN

internal/action/termpane.go

@@ -125,13 +125,7 @@ func (t *TermPane) Unsplit() {
 // copy-paste
 func (t *TermPane) HandleEvent(event tcell.Event) {
 	if e, ok := event.(*tcell.EventKey); ok {
-		ke := KeyEvent{
-			code: e.Key(),
-			mod:  metaToAlt(e.Modifiers()),
-		}
-		if e.Key() == tcell.KeyRune {
-			ke.r = e.Rune()
-		}
+		ke := keyEvent(e)
 		action, more := TermBindings.NextEvent(ke, nil)
 
 		if !more {