+void ChatItem::initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::NoWrap);
+ doLayout(layout);
+}
+
+void ChatItem::doLayout(QTextLayout *layout) const {
+ layout->beginLayout();
+ QTextLine line = layout->createLine();
+ if(line.isValid()) {
+ line.setLineWidth(width());
+ line.setPosition(QPointF(0,0));
+ }
+ layout->endLayout();
+}
+
+UiStyle::FormatList ChatItem::formatList() const {
+ return data(MessageModel::FormatRole).value<UiStyle::FormatList>();
+}
+
+qint16 ChatItem::posToCursor(const QPointF &posInLine) const {
+ QPointF pos = mapFromLine(posInLine);
+ if(pos.y() > height())
+ return data(MessageModel::DisplayRole).toString().length();
+ if(pos.y() < 0)
+ return 0;
+
+ for(int l = layout()->lineCount() - 1; l >= 0; l--) {
+ QTextLine line = layout()->lineAt(l);
+ if(pos.y() >= line.y()) {
+ return line.xToCursor(pos.x(), QTextLine::CursorOnCharacter);
+ }
+ }
+ return 0;
+}
+
+void ChatItem::paintBackground(QPainter *painter) {
+ QVariant bgBrush;
+ if(_selectionMode == FullSelection)
+ bgBrush = data(ChatLineModel::SelectedBackgroundRole);
+ else
+ bgBrush = data(ChatLineModel::BackgroundRole);
+ if(bgBrush.isValid())
+ painter->fillRect(boundingRect(), bgBrush.value<QBrush>());
+}
+
+// NOTE: This is not the most time-efficient implementation, but it saves space by not caching unnecessary data
+// This is a deliberate trade-off. (-> selectFmt creation, data() call)
+void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+ Q_UNUSED(option); Q_UNUSED(widget);
+ painter->save();
+ painter->setClipRect(boundingRect());
+ paintBackground(painter);
+
+ layout()->draw(painter, pos(), additionalFormats(), boundingRect());
+
+ // layout()->draw(painter, QPointF(0,0), formats, boundingRect());
+
+ // Debuging Stuff
+ // uncomment partially or all of the following stuff:
+ //
+ // 0) alternativ painter color for debug stuff
+// if(row() % 2)
+// painter->setPen(Qt::red);
+// else
+// painter->setPen(Qt::blue);
+ // 1) draw wordwrap points in the first line
+// if(column() == 2) {
+// ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
+// foreach(ChatLineModel::Word word, wrapList) {
+// if(word.endX > width())
+// break;
+// painter->drawLine(word.endX, 0, word.endX, height());
+// }
+// }
+ // 2) draw MsgId over the time column
+// if(column() == 0) {
+// QString msgIdString = QString::number(data(MessageModel::MsgIdRole).value<MsgId>().toInt());
+// QPointF bottomPoint = boundingRect().bottomLeft();
+// bottomPoint.ry() -= 2;
+// painter->drawText(bottomPoint, msgIdString);
+// }
+ // 3) draw bounding rect
+// painter->drawRect(_boundingRect.adjusted(0, 0, -1, -1));
+
+ painter->restore();
+}
+
+void ChatItem::overlayFormat(UiStyle::FormatList &fmtList, int start, int end, quint32 overlayFmt) const {
+ for(int i = 0; i < fmtList.count(); i++) {
+ int fmtStart = fmtList.at(i).first;
+ int fmtEnd = (i < fmtList.count()-1 ? fmtList.at(i+1).first : data(MessageModel::DisplayRole).toString().length());
+
+ if(fmtEnd <= start)
+ continue;
+ if(fmtStart >= end)
+ break;
+
+ // split the format if necessary
+ if(fmtStart < start) {
+ fmtList.insert(i, fmtList.at(i));
+ fmtList[++i].first = start;
+ }
+ if(end < fmtEnd) {
+ fmtList.insert(i, fmtList.at(i));
+ fmtList[i+1].first = end;
+ }
+
+ fmtList[i].second |= overlayFmt;
+ }
+}
+
+QVector<QTextLayout::FormatRange> ChatItem::additionalFormats() const {
+ return selectionFormats();
+}
+
+QVector<QTextLayout::FormatRange> ChatItem::selectionFormats() const {
+ if(!hasSelection())
+ return QVector<QTextLayout::FormatRange>();
+
+ int start, end;
+ if(_selectionMode == FullSelection) {
+ start = 0;
+ end = data(MessageModel::DisplayRole).toString().length();
+ } else {
+ start = qMin(_selectionStart, _selectionEnd);
+ end = qMax(_selectionStart, _selectionEnd);
+ }
+
+ UiStyle::FormatList fmtList = formatList();
+
+ while(fmtList.count() > 1 && fmtList.at(1).first <= start)
+ fmtList.removeFirst();
+
+ fmtList.first().first = start;
+
+ while(fmtList.count() > 1 && fmtList.last().first >= end)
+ fmtList.removeLast();
+
+ return QtUi::style()->toTextLayoutList(fmtList, end, UiStyle::Selected|data(ChatLineModel::MsgLabelRole).toUInt()).toVector();
+}
+
+bool ChatItem::hasSelection() const {
+ if(_selectionMode == NoSelection)
+ return false;
+ if(_selectionMode == FullSelection)
+ return true;
+ // partial
+ return _selectionStart != _selectionEnd;
+}
+
+QString ChatItem::selection() const {
+ if(_selectionMode == FullSelection)
+ return data(MessageModel::DisplayRole).toString();
+ if(_selectionMode == PartialSelection)
+ return data(MessageModel::DisplayRole).toString().mid(qMin(_selectionStart, _selectionEnd), qAbs(_selectionStart - _selectionEnd));
+ return QString();
+}
+
+void ChatItem::setSelection(SelectionMode mode, qint16 start, qint16 end) {
+ _selectionMode = mode;
+ _selectionStart = start;
+ _selectionEnd = end;
+ chatLine()->update();
+}
+
+void ChatItem::setFullSelection() {
+ if(_selectionMode != FullSelection) {
+ _selectionMode = FullSelection;
+ chatLine()->update();
+ }
+}
+
+void ChatItem::clearSelection() {
+ if(_selectionMode != NoSelection) {
+ _selectionMode = NoSelection;
+ chatLine()->update();
+ }
+}
+
+void ChatItem::continueSelecting(const QPointF &pos) {
+ _selectionMode = PartialSelection;
+ _selectionEnd = posToCursor(pos);
+ chatLine()->update();
+}
+
+bool ChatItem::isPosOverSelection(const QPointF &pos) const {
+ if(_selectionMode == FullSelection)
+ return true;
+ if(_selectionMode == PartialSelection) {
+ int cursor = posToCursor(pos);
+ return cursor >= qMin(_selectionStart, _selectionEnd) && cursor <= qMax(_selectionStart, _selectionEnd);
+ }
+ return false;
+}
+
+QList<QRectF> ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive) {
+ QList<QRectF> resultList;
+ const QAbstractItemModel *model_ = model();
+ if(!model_)
+ return resultList;
+
+ QString plainText = model_->data(model_->index(row(), column()), MessageModel::DisplayRole).toString();
+ QList<int> indexList;
+ int searchIdx = plainText.indexOf(searchWord, 0, caseSensitive);
+ while(searchIdx != -1) {
+ indexList << searchIdx;
+ searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive);
+ }
+
+ foreach(int idx, indexList) {
+ QTextLine line = layout()->lineForTextPosition(idx);
+ qreal x = line.cursorToX(idx);
+ qreal width = line.cursorToX(idx + searchWord.count()) - x;
+ qreal height = line.height();
+ qreal y = height * line.lineNumber();
+ resultList << QRectF(x, y, width, height);
+ }
+
+ return resultList;
+}
+
+void ChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) {
+ // single clicks are already handled by the scene (for clearing the selection)
+ if(clickMode == ChatScene::DragStartClick) {
+ chatScene()->setSelectingItem(this);
+ _selectionStart = _selectionEnd = posToCursor(pos);
+ _selectionMode = NoSelection; // will be set to PartialSelection by mouseMoveEvent
+ chatLine()->update();
+ }
+}
+
+void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+ if(event->buttons() == Qt::LeftButton) {
+ if(boundingRect().contains(event->pos())) {
+ qint16 end = posToCursor(event->pos());
+ if(end != _selectionEnd) {
+ _selectionEnd = end;
+ _selectionMode = (_selectionStart != _selectionEnd ? PartialSelection : NoSelection);
+ chatLine()->update();
+ }
+ } else {
+ setFullSelection();
+ chatScene()->startGlobalSelection(this, event->pos());
+ }
+ event->accept();
+ } else {
+ event->ignore();
+ }
+}
+
+void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
+ if(event->buttons() == Qt::LeftButton)
+ event->accept();
+ else
+ event->ignore();
+}
+
+void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
+ if(_selectionMode != NoSelection && event->button() == Qt::LeftButton) {
+ chatScene()->selectionToClipboard(QClipboard::Selection);
+ event->accept();
+ } else
+ event->ignore();
+}
+
+void ChatItem::addActionsToMenu(QMenu *menu, const QPointF &pos) {
+ Q_UNUSED(pos);
+
+ GraphicalUi::contextMenuActionProvider()->addActions(menu, chatScene()->filter(), data(MessageModel::BufferIdRole).value<BufferId>());
+}
+
+// ************************************************************
+// SenderChatItem
+// ************************************************************
+
+void SenderChatItem::initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight);
+ doLayout(layout);
+}
+
+void SenderChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+ Q_UNUSED(option); Q_UNUSED(widget);
+ painter->save();
+ painter->setClipRect(boundingRect());
+ paintBackground(painter);
+
+ qreal layoutWidth = layout()->minimumWidth();
+ qreal offset = 0;
+ if(chatScene()->senderCutoffMode() == ChatScene::CutoffLeft)
+ offset = qMin(width() - layoutWidth, (qreal)0);
+ else
+ offset = qMax(layoutWidth - width(), (qreal)0);
+
+ if(layoutWidth > width()) {
+ // Draw a nice gradient for longer items
+ // Qt's text drawing with a gradient brush sucks, so we use an alpha-channeled pixmap instead
+ QPixmap pixmap(layout()->boundingRect().toRect().size());
+ pixmap.fill(Qt::transparent);
+ QPainter pixPainter(&pixmap);
+ layout()->draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), additionalFormats());
+ pixPainter.end();
+
+ // Create alpha channel mask
+ QPixmap mask(pixmap.size());
+ QPainter maskPainter(&mask);
+ QLinearGradient gradient;
+ if(offset < 0) {
+ gradient.setStart(0, 0);
+ gradient.setFinalStop(12, 0);
+ gradient.setColorAt(0, Qt::black);
+ gradient.setColorAt(1, Qt::white);
+ } else {
+ gradient.setStart(width()-10, 0);
+ gradient.setFinalStop(width(), 0);
+ gradient.setColorAt(0, Qt::white);
+ gradient.setColorAt(1, Qt::black);
+ }
+ maskPainter.fillRect(0, 0, pixmap.width(), pixmap.height(), gradient);
+ pixmap.setAlphaChannel(mask);
+ painter->drawPixmap(pos(), pixmap);
+ } else {
+ layout()->draw(painter, pos(), additionalFormats(), boundingRect());
+ }
+ painter->restore();
+}
+
+void SenderChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) {
+ if(clickMode == ChatScene::DoubleClick) {
+ BufferInfo curBufInfo = Client::networkModel()->bufferInfo(data(MessageModel::BufferIdRole).value<BufferId>());
+ QString nick = data(MessageModel::EditRole).toString();
+ // check if the nick is a valid ircUser
+ if(!nick.isEmpty() && Client::network(curBufInfo.networkId())->ircUser(nick))
+ Client::bufferModel()->switchToOrStartQuery(curBufInfo.networkId(), nick);
+ }
+ else
+ ChatItem::handleClick(pos, clickMode);
+}
+
+// ************************************************************
+// ContentsChatItem
+// ************************************************************
+
+ContentsChatItem::ActionProxy ContentsChatItem::_actionProxy;
+
+ContentsChatItem::ContentsChatItem(const QPointF &pos, const qreal &width, ChatLine *parent)
+ : ChatItem(QRectF(pos, QSizeF(width, 0)), parent),
+ _data(0)
+{
+ setPos(pos);
+ setGeometryByWidth(width);
+}
+
+QFontMetricsF *ContentsChatItem::fontMetrics() const {
+ return QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second, 0);
+}
+
+ContentsChatItem::~ContentsChatItem() {
+ delete _data;
+}