init: pristine aerc 0.20.0 source

commands/compose/next-field.go

@@ -0,0 +1,40 @@
+package compose
+
+import (
+	"fmt"
+
+	"git.sr.ht/~rjarry/aerc/app"
+	"git.sr.ht/~rjarry/aerc/commands"
+)
+
+type NextPrevField struct{}
+
+func init() {
+	commands.Register(NextPrevField{})
+}
+
+func (NextPrevField) Description() string {
+	return "Cycle between header input fields."
+}
+
+func (NextPrevField) Context() commands.CommandContext {
+	return commands.COMPOSE_EDIT
+}
+
+func (NextPrevField) Aliases() []string {
+	return []string{"next-field", "prev-field"}
+}
+
+func (NextPrevField) Execute(args []string) error {
+	composer, _ := app.SelectedTabContent().(*app.Composer)
+	var ok bool
+	if args[0] == "prev-field" {
+		ok = composer.PrevField()
+	} else {
+		ok = composer.NextField()
+	}
+	if !ok {
+		return fmt.Errorf("%s not available when edit-headers=true", args[0])
+	}
+	return nil
+}