Leave only one track type, WIP: track deletion.

Scripts/Track.gd

@@ -1,7 +1,45 @@
 class_name Track
-extends Control
+extends Button
 
+signal on_deleted
+signal on_renamed
+signal on_duplicated
 
-# Called when the node enters the scene tree for the first time.
 func _ready():
-	pass # Replace with function body.
+	var menu: PopupMenu = $PopupMenu
+	menu.add_item("Rename", 0)
+	menu.add_item("Delete", 1)
+	menu.add_item("Duplicate", 2)
+	menu.id_pressed.connect(_on_menu_option)
+
+func _on_menu_option(id: int):
+	match id:
+		0:
+			rename()
+		1:
+			delete()
+		2:
+			duplicate_track()
+	pass
+
+func delete():
+	queue_free()
+	var idx = get_index()
+	print(idx)
+	on_deleted.emit(idx)
+	pass
+
+func rename():
+	%TrackName.grab_focus()
+	pass
+
+func duplicate_track():
+	pass
+
+func _gui_input(event):
+	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_RIGHT and event.pressed:
+		var popup = %PopupMenu
+		#%PopupMenu.popup(get_global_mouse_position())
+		var pos = get_global_mouse_position()
+		var rect = Rect2i(pos, popup.get_contents_minimum_size())
+		popup.popup(rect)