case Qt::Key_Left: // If 'left arrow'-key,
if (curCol > 0) // and cr't not in leftmost col
setCurrent(curRow, curCol - 1); // set cr't to next left column
case Qt::Key_Left: // If 'left arrow'-key,
if (curCol > 0) // and cr't not in leftmost col
setCurrent(curRow, curCol - 1); // set cr't to next left column