Allow setting custom widget ids

1 files changed, 1 insertions, 1 deletions

diff --git a/button.lua b/button.lua
index fd0cff4..2e2b310 100644
--- a/button.lua
+++ b/button.lua
@@ -48,7 +48,7 @@ return function(w)
 	end
 
 	-- Generate unique identifier for gui state update and querying.
-	local id = core.generateID()
+	local id = w.id or core.generateID()
 
 	-- group.getRect determines the position and size of the widget according
 	-- to the currently active group. Both arguments may be omitted.