I think in GTK you need to connect to "notify::scale-factor" on a GtkWidget or GtkWindow.
https://developer.gnome.org/gtk3/stable/GtkWidget.html#GtkWidget--scale- factor ** No longer affects: mutter (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1934470 Title: gnome-initial-setup should detect screen scale change To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-initial-setup/+bug/1934470/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
