QQuickItem * DataSetView::createRowNumber(int row) { //std::cout << "createRowNumber("<<row<<") called!\n" << std::flush; if(_rowNumberDelegate == NULL) { _rowNumberDelegate = new QQmlComponent(qmlEngine(this)); _rowNumberDelegate->setData("import QtQuick 2.10\nItem {\n" "property alias text: tekst.text\n" "Rectangle { color: \"lightGrey\"; anchors.fill: parent }\n" "Text { id: tekst; anchors.centerIn: parent }\n" "}", QUrl()); } QQuickItem * rowNumber = NULL; if(_rowNumberItems.count(row) == 0 || _rowNumberItems[row] == NULL) { if(_rowNumberStorage.size() > 0) { #ifdef DEBUG_VIEWPORT std::cout << "createRowNumber("<<row<<") from storage!\n" << std::flush; #endif rowNumber = _rowNumberStorage.top(); _rowNumberStorage.pop(); } else { #ifdef DEBUG_VIEWPORT std::cout << "createRowNumber("<<row<<") ex nihilo!\n" << std::flush; #endif rowNumber = qobject_cast<QQuickItem*>(_rowNumberDelegate->create()); rowNumber->setParent(this); rowNumber->setParentItem(this); } rowNumber->setProperty("z", 10); rowNumber->setProperty("text", QString::fromStdString(std::to_string(row + 1))); //Nobody wants zero-based rows... rowNumber->setY(_dataRowsMaxHeight * (1 + row)); rowNumber->setZ(-3); rowNumber->setHeight(_dataRowsMaxHeight); rowNumber->setWidth(_rowNumberMaxWidth); rowNumber->setVisible(true); _rowNumberItems[row] = rowNumber; } else rowNumber = _rowNumberItems[row]; rowNumber->setX(_viewportX); return _rowNumberItems[row]; }
QQuickItem * DataSetView::createColumnHeader(int col) { //std::cout << "createColumnHeader("<<col<<") called!\n" << std::flush; if(_columnHeaderDelegate == NULL) { _columnHeaderDelegate = new QQmlComponent(qmlEngine(this)); _columnHeaderDelegate->setData("import QtQuick 2.10\nItem {\n" "property alias text: tekst.text\n" "Rectangle { color: \"lightGrey\"; anchors.fill: parent }\n" "Text { id: tekst; anchors.centerIn: parent }\n" "}", QUrl()); } QQuickItem * columnHeader = NULL; if(_columnHeaderItems.count(col) == 0 || _columnHeaderItems[col] == NULL) { if(_columnHeaderStorage.size() > 0) { #ifdef DEBUG_VIEWPORT std::cout << "createColumnHeader("<<col<<") from storage!\n" << std::flush; #endif columnHeader = _columnHeaderStorage.top(); _columnHeaderStorage.pop(); } else { #ifdef DEBUG_VIEWPORT std::cout << "createColumnHeader("<<col<<") ex nihilo!\n" << std::flush; #endif columnHeader = qobject_cast<QQuickItem*>(_columnHeaderDelegate->create()); columnHeader->setParent(this); columnHeader->setParentItem(this); } columnHeader->setProperty("z", 10); columnHeader->setProperty("text", _model->headerData(col, Qt::Orientation::Horizontal).toString()); columnHeader->setZ(-3); columnHeader->setHeight(_dataRowsMaxHeight); columnHeader->setWidth(_dataColsMaxWidth[col]); columnHeader->setVisible(true); _columnHeaderItems[col] = columnHeader; } else columnHeader = _columnHeaderItems[col]; columnHeader->setX(_colXPositions[col]); columnHeader->setY(_viewportY); return columnHeader; }
QQuickItem * DataSetView::createTextItem(int row, int col) { //std::cout << "createTextItem("<<row<<", "<<col<<") called!\n" << std::flush; if((_cellTextItems.count(col) == 0 && _cellTextItems[col].count(row) == 0) || _cellTextItems[col][row] == NULL) { if(_itemDelegate == NULL) { _itemDelegate = new QQmlComponent(qmlEngine(this)); _itemDelegate->setData("import QtQuick 2.10\nText { property bool active: true; text: \"???\"; color: active ? 'black' : 'grey' }", QUrl()); } QQuickItem * textItem = NULL; if(_textItemStorage.size() > 0) { #ifdef DEBUG_VIEWPORT std::cout << "createTextItem("<<row<<", "<<col<<") from storage!\n" << std::flush; #endif textItem = _textItemStorage.top(); _textItemStorage.pop(); } else { #ifdef DEBUG_VIEWPORT std::cout << "createTextItem("<<row<<", "<<col<<") ex nihilo!\n" << std::flush; #endif textItem = qobject_cast<QQuickItem*>(_itemDelegate->create()); textItem->setParent(this); textItem->setParentItem(this); } QModelIndex ind(_model->index(row, col)); bool active = _model->data(ind, _roleNameToRole["active"]).toBool(); textItem->setProperty("color", active ? "black" : "grey"); textItem->setProperty("text", _model->data(ind)); textItem->setX(_colXPositions[col] + _itemHorizontalPadding); textItem->setY(-2 + _dataRowsMaxHeight + _itemVerticalPadding + row * _dataRowsMaxHeight); textItem->setZ(-4); textItem->setVisible(true); _cellTextItems[col][row] = textItem; } return _cellTextItems[col][row]; }
void TelegramImageElement::initImage() { if(p->image) return; QQmlEngine *engine = qmlEngine(this); QQmlContext *context = qmlContext(this); if(!engine || !context) return; QQmlComponent component(engine); QString qmlImageCreationCode = p->qmlImageCreationCode; if(qmlImageCreationCode.isEmpty()) qmlImageCreationCode = QString("import QtQuick %1\n" "Image { anchors.fill: parent; }").arg(p->qtQuickVersion); component.setData(qmlImageCreationCode.toUtf8(), QUrl()); QQuickItem *item = qobject_cast<QQuickItem *>(component.create(context)); if(!item) return; item->setParent(this); item->setParentItem(this); QHashIterator<QString, QVariant> i(p->properties); while(i.hasNext()) { i.next(); item->setProperty(i.key().toUtf8(), i.value()); } connect(item, SIGNAL(asynchronousChanged()), this, SIGNAL(asynchronousChanged())); #if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0) connect(item, SIGNAL(autoTransformChanged()), this, SIGNAL(autoTransformChanged())); #endif connect(item, SIGNAL(cacheChanged()), this, SIGNAL(cacheChanged())); connect(item, SIGNAL(fillModeChanged()), this, SIGNAL(fillModeChanged())); connect(item, SIGNAL(mirrorChanged()), this, SIGNAL(mirrorChanged())); connect(item, SIGNAL(sourceSizeChanged()), this, SIGNAL(sourceSizeChanged())); p->image = item; }