Unnamed

gboolean MainWindow::onKeyPressed_gui(GtkWidget *widget, GdkEventKey *event, gpointer data){        //Switch tab on ctrl+left/right/tab.        MainWindow *mw = (MainWindow *)data;        GtkNotebook *nb = GTK_NOTEBOOK(mw->getWidget("book"));         if (event->state == GDK_CONTROL_MASK)        {                if (event->keyval == GDK_Left)                {                        gtk_notebook_prev_page(nb);                        return TRUE;                {                else if (event->keyval == GDK_Right)                {                        gtk_notebook_next_page(nb);                        return TRUE;                }                else if (event->keyval == GDK_Tab)                {                        if (gtk_notebook_get_n_pages(nb) - 1 == gtk_notebook_get_current_page(nb))                                gtk_notebook_set_current_page(nb, 0);                        else                                gtk_notebook_next_page(nb);                        return TRUE;        }         if (event->keyval == 65056 &&                 event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK))        {                if (gtk_notebook_get_current_page(nb) == 0)                        gtk_notebook_set_current_page(nb, gtk_notebook_get_n_pages(nb)-1);                else                        gtk_notebook_prev_page(nb);                return TRUE;        }         return FALSE; }}