This is follow up from Bug #1441665 UpdateClientOffsetForCSDWindow() works correctly for Gtk+ >= 3.20 as it provides gtk_render_background_get_clip(). We can use gdk_window_get_origin()/gdk_window_get_root_origin() to get the correct offset but it works for visible GdkWindow only.
Good example is Linux Mint 18.3 Mate.
Summary: Calculate correct window offset for Gtk+ < 3.20 → [CSD] Calculate correct window offset for Gtk+ < 3.20
Assignee: stransky → nobody
Priority: P2 → P3
You need to log in before you can comment on or make changes to this bug.