--- a/ui/gtk/graphics.c Sun Apr 07 11:26:38 2024 +0200
+++ b/ui/gtk/graphics.c Sun Apr 07 12:36:07 2024 +0200
@@ -104,6 +104,8 @@
event->obj = obj;
event->callback = f;
event->userdata = u;
+ event->customdata = NULL;
+ event->value = 0;
g_signal_connect(G_OBJECT(widget),
"button-press-event",