Implement basic tab completion support

Tab completion currently only works on commands. Contextual completion
will be added in the future.

1 files changed, 12 insertions, 2 deletions

diff --git a/commands/account/cf.go b/commands/account/cf.go
index 2816473..197e956 100644
--- a/commands/account/cf.go
+++ b/commands/account/cf.go
@@ -10,12 +10,22 @@ var (
 	history map[string]string
 )
 
+type ChangeFolder struct{}
+
 func init() {
 	history = make(map[string]string)
-	register("cf", ChangeFolder)
+	register(ChangeFolder{})
+}
+
+func (_ ChangeFolder) Aliases() []string {
+	return []string{"cf"}
+}
+
+func (_ ChangeFolder) Complete(aerc *widgets.Aerc, args []string) []string {
+	return nil
 }
 
-func ChangeFolder(aerc *widgets.Aerc, args []string) error {
+func (_ ChangeFolder) Execute(aerc *widgets.Aerc, args []string) error {
 	if len(args) != 2 {
 		return errors.New("Usage: cf <folder>")
 	}