gdk: Use stricter checks for begin_draw_frame()
authorBenjamin Otte <otte@redhat.com>
Thu, 24 Nov 2016 03:32:26 +0000 (04:32 +0100)
committerBenjamin Otte <otte@redhat.com>
Thu, 24 Nov 2016 03:43:42 +0000 (04:43 +0100)
commitae29d4db5ae64edb94b85a23a236521332a2efd9
tree95160f5cef0c1de20c86c2f32fbf1d19e93f6831
parent3414f10badc821b7f727e3aad21735d2c4a7596c
gdk: Use stricter checks for begin_draw_frame()

We don't support drawing on child windows, so make sure nobody tries.
gdk/gdkwindow.c