gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING, 1);
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING, 1);
gtk_selection_add_target(inst->area, GDK_SELECTION_PRIMARY,