Incorrect parameter type in documentation
The "draw" signal refers to the second variable (cr) as a CairoContext when it should be cairo_t at the following URL: https://developer.gnome.org/gtk3/stable/GtkWidget.html#GtkWidget-draw
The "draw" signal refers to the second variable (cr) as a CairoContext when it should be cairo_t at the following URL: https://developer.gnome.org/gtk3/stable/GtkWidget.html#GtkWidget-draw