当前位置: 首页>>代码示例>>C++>>正文


C++ QTextDocumentPrivate::move方法代码示例

本文整理汇总了C++中QTextDocumentPrivate::move方法的典型用法代码示例。如果您正苦于以下问题:C++ QTextDocumentPrivate::move方法的具体用法?C++ QTextDocumentPrivate::move怎么用?C++ QTextDocumentPrivate::move使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在QTextDocumentPrivate的用法示例。


在下文中一共展示了QTextDocumentPrivate::move方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: mergeCells


//.........这里部分代码省略.........
    QFragmentFindHelper helper(origCellPosition, p->fragmentMap());
    QList<int>::Iterator it = qBinaryFind(d->cells.begin(), d->cells.end(), helper);
    Q_ASSERT(it != d->cells.end());
    Q_ASSERT(*it == cellFragment);
    const int insertCellIndex = it - d->cells.begin();
    int insertFragment = d->cells.value(insertCellIndex + 1, d->fragment_end);
    uint insertPos = p->fragmentMap().position(insertFragment);

    d->blockFragmentUpdates = true;

    bool rowHasText = cell.firstCursorPosition().block().length();
    bool needsParagraph = rowHasText && colSpan == numCols;

    // find all cells that will be erased by the merge
    for (int r = row; r < row + numRows; ++r) {
        int firstColumn = r < row + rowSpan ? column + colSpan : column;

        // don't recompute the cell index for the first row
        int firstCellIndex = r == row ? insertCellIndex + 1 : -1;
        int cellIndex = firstCellIndex;

        for (int c = firstColumn; c < column + numCols; ++c) {
            const int fragment = d->grid[r * d->nCols + c];

            // already handled?
            if (fragment == cellFragment)
                continue;

            QTextDocumentPrivate::FragmentIterator it(&p->fragmentMap(), fragment);
            uint pos = it.position();

            if (firstCellIndex == -1) {
                QFragmentFindHelper helper(pos, p->fragmentMap());
                QList<int>::Iterator it = qBinaryFind(d->cells.begin(), d->cells.end(), helper);
                Q_ASSERT(it != d->cells.end());
                Q_ASSERT(*it == fragment);
                firstCellIndex = cellIndex = it - d->cells.begin();
            }

            ++cellIndex;

            QTextCharFormat fmt = fc->charFormat(it->format);

            const int cellRowSpan = fmt.tableCellRowSpan();
            const int cellColSpan = fmt.tableCellColumnSpan();

            // update the grid for this cell
            for (int i = r; i < r + cellRowSpan; ++i)
                for (int j = c; j < c + cellColSpan; ++j)
                    d->grid[i * d->nCols + j] = cellFragment;

            // erase the cell marker
            p->remove(pos, 1);

            const int nextFragment = d->cells.value(cellIndex, d->fragment_end);
            const uint nextPos = p->fragmentMap().position(nextFragment);

            Q_ASSERT(nextPos >= pos);

            // merge the contents of the cell (if not empty)
            if (nextPos > pos) {
                if (needsParagraph) {
                    needsParagraph = false;
                    QTextCursor(p, insertPos++).insertBlock();
                    p->move(pos + 1, insertPos, nextPos - pos);
                } else if (rowHasText) {
                    QTextCursor(p, insertPos++).insertText(QLatin1String(" "));
                    p->move(pos + 1, insertPos, nextPos - pos);
                } else {
                    p->move(pos, insertPos, nextPos - pos);
                }

                insertPos += nextPos - pos;
                rowHasText = true;
            }
        }

        if (rowHasText) {
            needsParagraph = true;
            rowHasText = false;
        }

        // erase cells from last row
        if (firstCellIndex >= 0) {
            d->cellIndices.remove(firstCellIndex, cellIndex - firstCellIndex);
            d->cells.erase(d->cells.begin() + firstCellIndex, d->cells.begin() + cellIndex);
        }
    }

    d->fragment_start = d->cells.first();

    fmt.setTableCellRowSpan(numRows);
    fmt.setTableCellColumnSpan(numCols);
    p->setCharFormat(origCellPosition, 1, fmt);

    d->blockFragmentUpdates = false;
    d->dirty = false;

    p->endEditBlock();
}
开发者ID:pk-codebox-evo,项目名称:remixos-usb-tool,代码行数:101,代码来源:qtexttable.cpp


注:本文中的QTextDocumentPrivate::move方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。