init: pristine aerc 0.20.0 source

commands/msgview/next-part.go

@@ -0,0 +1,38 @@
+package msgview
+
+import (
+	"git.sr.ht/~rjarry/aerc/app"
+	"git.sr.ht/~rjarry/aerc/commands"
+)
+
+type NextPrevPart struct {
+	Offset int `opt:"n" default:"1"`
+}
+
+func init() {
+	commands.Register(NextPrevPart{})
+}
+
+func (NextPrevPart) Description() string {
+	return "Cycle between message parts being shown."
+}
+
+func (NextPrevPart) Context() commands.CommandContext {
+	return commands.MESSAGE_VIEWER
+}
+
+func (NextPrevPart) Aliases() []string {
+	return []string{"next-part", "prev-part"}
+}
+
+func (np NextPrevPart) Execute(args []string) error {
+	mv, _ := app.SelectedTabContent().(*app.MessageViewer)
+	for n := 0; n < np.Offset; n++ {
+		if args[0] == "prev-part" {
+			mv.PreviousPart()
+		} else {
+			mv.NextPart()
+		}
+	}
+	return nil
+}