void QTextCopyHelper::appendFragments(int pos, int endPos)
{
Q_ASSERT(pos < endPos);
while (pos < endPos)
pos += appendFragment(pos, endPos);
}
AttributedString BaseTextShadowNode::getAttributedString(
const TextAttributes &textAttributes,
const SharedShadowNode &parentNode) const {
auto attributedString = AttributedString{};
for (const auto &childNode : parentNode->getChildren()) {
// RawShadowNode
auto rawTextShadowNode =
std::dynamic_pointer_cast<const RawTextShadowNode>(childNode);
if (rawTextShadowNode) {
auto fragment = AttributedString::Fragment{};
fragment.string = rawTextShadowNode->getProps()->text;
fragment.textAttributes = textAttributes;
fragment.parentShadowNode = parentNode;
attributedString.appendFragment(fragment);
continue;
}
// TextShadowNode
auto textShadowNode =
std::dynamic_pointer_cast<const TextShadowNode>(childNode);
if (textShadowNode) {
auto localTextAttributes = textAttributes;
localTextAttributes.apply(textShadowNode->getProps()->textAttributes);
attributedString.appendAttributedString(
textShadowNode->getAttributedString(
localTextAttributes, textShadowNode));
continue;
}
// Any other kind of ShadowNode
auto fragment = AttributedString::Fragment{};
fragment.shadowNode = childNode;
fragment.textAttributes = textAttributes;
attributedString.appendFragment(fragment);
}
return attributedString;
}
void QTextCopyHelper::copy()
{
if (cursor.hasComplexSelection()) {
QTextTable *table = cursor.currentTable();
int row_start, col_start, num_rows, num_cols;
cursor.selectedTableCells(&row_start, &num_rows, &col_start, &num_cols);
QTextTableFormat tableFormat = table->format();
tableFormat.setColumns(num_cols);
tableFormat.clearColumnWidthConstraints();
const int objectIndex = dst->formatCollection()->createObjectIndex(tableFormat);
Q_ASSERT(row_start != -1);
for (int r = row_start; r < row_start + num_rows; ++r) {
for (int c = col_start; c < col_start + num_cols; ++c) {
QTextTableCell cell = table->cellAt(r, c);
const int rspan = cell.rowSpan();
const int cspan = cell.columnSpan();
if (rspan != 1) {
int cr = cell.row();
if (cr != r)
continue;
}
if (cspan != 1) {
int cc = cell.column();
if (cc != c)
continue;
}
// add the QTextBeginningOfFrame
QTextCharFormat cellFormat = cell.format();
if (r + rspan >= row_start + num_rows) {
cellFormat.setTableCellRowSpan(row_start + num_rows - r);
}
if (c + cspan >= col_start + num_cols) {
cellFormat.setTableCellColumnSpan(col_start + num_cols - c);
}
const int charFormatIndex = convertFormatIndex(cellFormat, objectIndex);
int blockIdx = -2;
const int cellPos = cell.firstPosition();
QTextBlock block = src->blocksFind(cellPos);
if (block.position() == cellPos) {
blockIdx = convertFormatIndex(block.blockFormat());
}
dst->insertBlock(QTextBeginningOfFrame, insertPos, blockIdx, charFormatIndex);
++insertPos;
// nothing to add for empty cells
if (cell.lastPosition() > cellPos) {
// add the contents
appendFragments(cellPos, cell.lastPosition());
}
}
}
// add end of table
int end = table->lastPosition();
appendFragment(end, end+1, objectIndex);
} else {
appendFragments(cursor.selectionStart(), cursor.selectionEnd());
}
}
