Create custom editor class for the prompt

prompt.go

@@ -0,0 +1,29 @@
+package main
+
+import "github.com/jroimartin/gocui"
+
+func promptEditor(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) {
+	switch {
+	case ch != 0 && mod == 0:
+		v.EditWrite(ch)
+	case key == gocui.KeySpace:
+		v.EditWrite(' ')
+	case key == gocui.KeyBackspace || key == gocui.KeyBackspace2:
+		v.EditDelete(true)
+	case key == gocui.KeyDelete:
+		v.EditDelete(false)
+	case key == gocui.KeyInsert:
+		v.Overwrite = !v.Overwrite
+	case key == gocui.KeyEnter:
+		v.Clear()
+		v.SetCursor(0, 0)
+	case key == gocui.KeyArrowDown:
+		v.MoveCursor(0, 1, false)
+	case key == gocui.KeyArrowUp:
+		v.MoveCursor(0, -1, false)
+	case key == gocui.KeyArrowLeft:
+		v.MoveCursor(-1, 0, false)
+	case key == gocui.KeyArrowRight:
+		v.MoveCursor(1, 0, false)
+	}
+}