[Wayland-bugs] [Bug 791081] gtk_widget_realize() throws In pixman_region32_init_rect: Invalid rectangle passed

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=791081

--- Comment #8 from Olivier Fourdan <ofourdan at redhat.com> ---
(In reply to Martin Stransky from comment #6)
> (In reply to Matthias Clasen from comment #5)
> > I'm not really in favor of adding code to save the skin of people who
> > gtk_window_resize (w, 1, 1) - at some point, we have to rely on common sense
> > to prevail...
> 
> It's not the (1,1) size only but any size smaller than CSD shadow size.
> Which is 50 x 50 pixels on my system (Fedora 27).

Yes, but you'll notice the resize ther eis usless and doesn;t give you the
expected size of 1x1 anyway.

The following would work, i.e. avoid the negative window size *and* get you the
requested size:

    gtk_init(&argc, &argv);

    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

    gtk_widget_realize(window);
    gdk_flush();

    gtk_widget_unrealize(window);
    gtk_window_set_titlebar(GTK_WINDOW(window), gtk_fixed_new());
    gtk_window_resize(GTK_WINDOW(window), 1, 1);
    gtk_widget_realize(window);

    gtk_widget_show_all(window);
    gtk_main();

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