rem: gtk_grab_remove(screen.color_selection_popup); gtk_widget_destroy(screen.color_selection_popup); screen.color_selection_popup = NULL;
add: gtk_grab_remove(screen.win.color_selection); gtk_widget_destroy(screen.win.color_selection); screen.win.color_selection = NULL;
context: color_selection_destroy(GtkWidget *widget, gpointer data){    /* Remove modal grab and destroy color selection dialog */    gtk_grab_remove(screen.color_selection_popup);    gtk_widget_destroy(screen.color_selection_popup);    screen.color_selection_popup = NULL;} /* color_selection_destroy */