Gtkmm must be initialized before a gtk+ object can be wrapped in a gtkmm
object. This is handled by Gtk::Application::create(). If someone else
creates the application in your case, and you won't call
Gtk::Application::create(), I think the only way to initialize gtkmm
(except creating a deprecated Gtk::Main object) is to call the static
Gtk::Main::init_gtkmm_internals() function.
Den 2015-03-22 13:02, 张海 skrev:
I'm writing a Gtk module for keyboard navigation like vimium in
Chromium, so I'd like to add a keybinding to the host application
using Gtk::Application.set_accel_for_action().
But when I try to call Gio::Application::get_default() in
gtk_module_init(), the returned value is null, and a warning is issued:
Glib::RefPtr<Gio::Application> application =
Gio::Application::get_default();
(gedit:8868): glibmm-WARNING **: Failed to wrap object of type
'GeditAppX11'. Hint: this error is commonly caused by failing to call
a library init() function.
While using pure C worked properly:
std::cout <<
g_application_get_application_id(g_application_get_default()) <<
std::endl;
org.gnome.gedit
I primarily used Gedit for testing, and using gtk3-widget-factory also
produced the same output.
Any idea? Thanks in advance.
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