... in gtk_popover_bind_model
and gtk_popover_menu_init
stack = gtk_stack_new ();
gtk_stack_set_vhomogeneous (GTK_STACK (stack), FALSE);
gtk_stack_set_transition_type (GTK_STACK (stack), GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT_RIGHT);
+ gtk_stack_set_interpolate_size (GTK_STACK (stack), TRUE);
gtk_widget_show (stack);
gtk_container_add (GTK_CONTAINER (popover), stack);
stack = gtk_stack_new ();
gtk_stack_set_vhomogeneous (GTK_STACK (stack), FALSE);
gtk_stack_set_transition_type (GTK_STACK (stack), GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT_RIGHT);
+ gtk_stack_set_interpolate_size (GTK_STACK (stack), TRUE);
gtk_widget_show (stack);
gtk_container_add (GTK_CONTAINER (popover), stack);
g_signal_connect (stack, "notify::visible-child-name",