Using the bubble works just fine here, and keeps buttons
in notebook tabs working without side-effects.
Fixes: #2841
gesture = gtk_gesture_click_new ();
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (gesture), 0);
- gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture), GTK_PHASE_CAPTURE);
g_signal_connect (gesture, "pressed", G_CALLBACK (gtk_notebook_gesture_pressed), notebook);
g_signal_connect (gesture, "released", G_CALLBACK (gtk_notebook_gesture_released), notebook);
gtk_widget_add_controller (GTK_WIDGET (notebook), GTK_EVENT_CONTROLLER (gesture));