Sorry for my English I try to do a custom widget like in a Gtkmm documentation. (This custom widget draws a check box on a picture ) It works fine.
Later, I read this article <http://szilard.blogs.balabit.com/en/2012/06/how-to-add-custom-gtkmm-widget-to-glade/>and try to do it with my custom widget. At the beginning, I had a error when I place the custom widget in a window, Glade crashes with this message: Gtk:ERROR:/build/buildd/gtk+3.0-3.4.2/./gtk/gtkwidget.c:10477:gtk_widget_real_realize: assertion failed: (!gtk_widget_get_has_window (widget)) I exchange my custom widget base class, Gtk::DrawingArea instead Gtk::Widget. Now, I have no error when I use glade and when I use Gtk::Builder::get_widget()... ...BUT in glade, when I put a custom widget in a container, it appears a image as Gtk::DrawingArea, but doesn't appear my custom widget image... I think that the on_draw function doesn't execute. How can I do it for Glade executes on_draw function? Thanks in advance.
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