Method firstVisibleLineNumber

apps/lib/diff/diffeditor.cpp:488–499

}

int DiffEditor::firstVisibleLineNumber() const
{
    const int block = firstVisibleBlockNumber();
    const int last = document()->blockCount();
    for (int i = block; i < last; ++i) {
        int lineNo = m_lineNumArea->lineNumForBlock(i);
        if (lineNo != -1) {
            return lineNo;
        }
    }
    return -1;
}

void DiffEditor::scrollToLineNumber(int lineNo)
{