Method highlightSelectExtendDown

QKeyMapper/qmappingsequenceedit.cpp:1638–1688

}

void QMappingSequenceEdit::highlightSelectExtendDown()
{
    MappingSequenceEditTableWidget *table = ui->mappingSequenceEditTable;
    if (table->rowCount() <= 0) {
        return;
    }

    QList<QTableWidgetSelectionRange> ranges = table->selectedRanges();
    if (ranges.isEmpty()) {
        highlightSelectDown();
        return;
    }

    QTableWidgetSelectionRange range = ranges.first();
    int topRow = range.topRow();
    int bottomRow = range.bottomRow();
    int currentRow = table->currentRow();
    if (currentRow < 0) {
        currentRow = bottomRow;
    }

    const bool currentAtTop = (currentRow <= topRow);
    const bool currentAtBottom = (currentRow >= bottomRow);

    int newTop = topRow;
    int newBottom = bottomRow;
    int newCurrent = currentRow;

    if (currentAtBottom || (!currentAtTop && !currentAtBottom)) {
        if (bottomRow >= table->rowCount() - 1) {
            return;
        }
        newBottom = bottomRow + 1;
        newCurrent = newBottom;
    }
    else if (currentAtTop) {
        if (topRow >= bottomRow) {
            return;
        }
        newTop = topRow + 1;
        newCurrent = newTop;
    }

    table->clearSelection();
    QTableWidgetSelectionRange sel(newTop, 0, newBottom, MAPPINGSEQUENCEEDIT_TABLE_COLUMN_COUNT - 1);
    table->setRangeSelected(sel, true);
    table->setCurrentCell(newCurrent, 0, QItemSelectionModel::NoUpdate);
    if (QTableWidgetItem *item = table->item(newCurrent, 0)) {
        table->scrollToItem(item, QAbstractItemView::EnsureVisible);
    }
}

void QMappingSequenceEdit::highlightSelectFirst()
{