Copy QTableView selection to clipboard (ignore custom column order)

copyselection.cpp

void copyTableSelectionToClipboard(QTableView *view) {
    if (!view->model()) {
        return;
    }

    int min_col = view->model()->columnCount() - 1;
    int max_col = 0;

    int min_row = view->model()->rowCount() - 1;
    int max_row = 0;

    QString text;

    for (auto &sel : view->selectionModel()->selection()) {
        min_col = qMin(min_col, sel.left());
        max_col = qMax(max_col, sel.right());
        min_row = qMin(min_row, sel.top());
        max_row = qMax(max_row, sel.bottom());
    }

    for (int row = min_row; row <= max_row; ++row) {
        for (int col = min_col; col <= max_col; ++col) {
            text += view->model()->index(row, col).data().toString();

            if (col != max_col) {
                text += '\t';
            }
        }
        if (row != max_row) {
            text += '\n';
        }
    }

    QApplication::clipboard()->setText(text);
}