Call gocui's SimpleEditor instead of duplicating its code

Author: stefanhaller

pkg/gui/editors.go

@@ -1,79 +1,36 @@
 package gui
 
 import (
-	"unicode"
-
 	"github.com/jesseduffield/gocui"
 )
 
-func (gui *Gui) handleEditorKeypress(textArea *gocui.TextArea, key gocui.Key, ch rune, mod gocui.Modifier, allowMultiline bool) bool {
-	switch {
-	case (key == gocui.KeyBackspace || key == gocui.KeyBackspace2) && (mod&gocui.ModAlt) != 0,
-		key == gocui.KeyCtrlW:
-		textArea.BackSpaceWord()
-	case key == gocui.KeyBackspace || key == gocui.KeyBackspace2:
-		textArea.BackSpaceChar()
-	case key == gocui.KeyCtrlD || key == gocui.KeyDelete:
-		textArea.DeleteChar()
-	case key == gocui.KeyArrowDown:
-		textArea.MoveCursorDown()
-	case key == gocui.KeyArrowUp:
-		textArea.MoveCursorUp()
-	case (key == gocui.KeyArrowLeft || ch == 'b') && (mod&gocui.ModAlt) != 0:
-		textArea.MoveLeftWord()
-	case key == gocui.KeyArrowLeft || key == gocui.KeyCtrlB:
-		textArea.MoveCursorLeft()
-	case (key == gocui.KeyArrowRight || ch == 'f') && (mod&gocui.ModAlt) != 0:
-		textArea.MoveRightWord()
-	case key == gocui.KeyArrowRight || key == gocui.KeyCtrlF:
-		textArea.MoveCursorRight()
-	case key == gocui.KeyEnter:
-		if allowMultiline {
-			textArea.TypeCharacter("\n")
-		} else {
-			return false
-		}
-	case key == gocui.KeySpace:
-		textArea.TypeCharacter(" ")
-	case key == gocui.KeyInsert:
-		textArea.ToggleOverwrite()
-	case key == gocui.KeyCtrlU:
-		textArea.DeleteToStartOfLine()
-	case key == gocui.KeyCtrlK:
-		textArea.DeleteToEndOfLine()
-	case key == gocui.KeyCtrlA || key == gocui.KeyHome:
-		textArea.GoToStartOfLine()
-	case key == gocui.KeyCtrlE || key == gocui.KeyEnd:
-		textArea.GoToEndOfLine()
-	case key == gocui.KeyCtrlY:
-		textArea.Yank()
-
-	case unicode.IsPrint(ch):
-		textArea.TypeCharacter(string(ch))
-	default:
-		return false
+func (gui *Gui) handleEditorKeypress(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier, allowMultiline bool) bool {
+	if key == gocui.KeyEnter && allowMultiline {
+		v.TextArea.TypeCharacter("\n")
+		v.RenderTextArea()
+		return true
 	}
 
-	return true
+	return gocui.DefaultEditor.Edit(v, key, ch, mod)
 }
 
 // we've just copy+pasted the editor from gocui to here so that we can also re-
 // render the commit message length on each keypress
 func (gui *Gui) commitMessageEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) bool {
-	matched := gui.handleEditorKeypress(v.TextArea, key, ch, mod, false)
+	matched := gui.handleEditorKeypress(v, key, ch, mod, false)
 	v.RenderTextArea()
 	gui.c.Contexts().CommitMessage.RenderSubtitle()
 	return matched
 }
 
 func (gui *Gui) commitDescriptionEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) bool {
-	matched := gui.handleEditorKeypress(v.TextArea, key, ch, mod, true)
+	matched := gui.handleEditorKeypress(v, key, ch, mod, true)
 	v.RenderTextArea()
 	return matched
 }
 
 func (gui *Gui) promptEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) bool {
-	matched := gui.handleEditorKeypress(v.TextArea, key, ch, mod, false)
+	matched := gui.handleEditorKeypress(v, key, ch, mod, false)
 
 	v.RenderTextArea()
 
@@ -90,7 +47,7 @@ func (gui *Gui) promptEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Mo
 }
 
 func (gui *Gui) searchEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) bool {
-	matched := gui.handleEditorKeypress(v.TextArea, key, ch, mod, false)
+	matched := gui.handleEditorKeypress(v, key, ch, mod, false)
 	v.RenderTextArea()
 
 	searchString := v.TextArea.GetContent()