ui->xsel = (ui->xsel + state->params.w + dx) % state->params.w;
ui->ysel = (ui->ysel + state->params.h + dy) % state->params.h;
return ret;
ui->xsel = (ui->xsel + state->params.w + dx) % state->params.w;
ui->ysel = (ui->ysel + state->params.h + dy) % state->params.h;
return ret;