Add Mumble message review shortcuts

internal/app/messaging.go

@@ -26,6 +26,17 @@ type messageCopyResult struct {
 	err error
 }
 
+func messageHistorySlots(process string) int {
+	switch process {
+	case "pidgin":
+		return 9
+	case "mumble":
+		return 12
+	default:
+		return 0
+	}
+}
+
 // messagingController belongs to the accessibility event loop. Histories survive
 // focus changes, retire with their native window/transcript, and clear on lock.
 // Its one clipboard worker has a bounded queue and never performs native queries.
@@ -87,8 +98,8 @@ func (controller *messagingController) handle(event atspi.Event) bool {
 		controller.history.Retire(id.BusName, id.Path)
 	}
 	message := event.ChatMessage
-	if message == nil || event.Type != atspi.TextInsertedEvent || event.Source.ApplicationProcess != "pidgin" ||
-		event.Source.Defunct || event.Source.Role != "text" ||
+	if message == nil || event.Type != atspi.TextInsertedEvent || messageHistorySlots(event.Source.ApplicationProcess) == 0 ||
+		event.Source.Defunct || (event.Source.Role != "text" && !(event.Source.ApplicationProcess == "mumble" && event.Source.Role == "label")) ||
 		message.Provider != event.Source.BusName || message.Conversation != event.Source.Path ||
 		!event.Source.ID().Valid() || event.Window != atspi.NewObjectID(message.Provider, message.Window) {
 		return false
@@ -117,7 +128,7 @@ func (controller *messagingController) present(text string, background bool) {
 
 func (controller *messagingController) review(command input.Command, current atspi.Snapshot) {
 	index, copyMessage, ok := input.MessageCommandIndex(command)
-	if !ok || controller.gate.Locked() || controller.gate.Suspended() || current.ApplicationProcess != "pidgin" {
+	if !ok || controller.gate.Locked() || controller.gate.Suspended() || index >= messageHistorySlots(current.ApplicationProcess) {
 		return
 	}
 	message, exists := controller.history.Previous(current.BusName, index)