I should mention, that I get this issue only with enabled compositing in the wm. In my case with xfwm or mutter (cf. attached screenshot).
** Attachment added: "window_border_grabbing.png" https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1521586/+attachment/4624541/+files/window_border_grabbing.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1521586 Title: Frame shadow of gtk3 application is not transparent for mouse clicks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1521586/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
