+// ************************************************************
+// 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;
+}
+
+
+void ContentsChatItem::clearCache()
+{
+ delete _data;
+ _data = 0;
+ ChatItem::clearCache();
+}
+
+
+ContentsChatItemPrivate *ContentsChatItem::privateData() const
+{
+ if (!_data) {
+ ContentsChatItem *that = const_cast<ContentsChatItem *>(this);
+ that->_data = new ContentsChatItemPrivate(ClickableList::fromString(data(ChatLineModel::DisplayRole).toString()), that);
+ }
+ return _data;
+}
+
+
+qreal ContentsChatItem::setGeometryByWidth(qreal w)
+{
+ // We use this for reloading layout info as well, so we can't bail out if the width doesn't change
+
+ // compute height
+ int lines = 1;
+ WrapColumnFinder finder(this);
+ while (finder.nextWrapColumn(w) > 0)
+ lines++;
+ qreal spacing = qMax(fontMetrics()->lineSpacing(), fontMetrics()->height()); // cope with negative leading()
+ qreal h = lines * spacing;
+ delete _data;
+ _data = 0;
+
+ if (w != width() || h != height())
+ setGeometry(w, h);
+
+ return h;
+}
+
+
+void ContentsChatItem::initLayout(QTextLayout *layout) const
+{
+ initLayoutHelper(layout, QTextOption::WrapAtWordBoundaryOrAnywhere);
+ doLayout(layout);
+}
+
+
+void ContentsChatItem::doLayout(QTextLayout *layout) const
+{
+ ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
+ if (!wrapList.count()) return; // empty chatitem
+
+ qreal h = 0;
+ qreal spacing = qMax(fontMetrics()->lineSpacing(), fontMetrics()->height()); // cope with negative leading()
+ WrapColumnFinder finder(this);
+ layout->beginLayout();
+ forever {
+ QTextLine line = layout->createLine();
+ if (!line.isValid())
+ break;
+
+ int col = finder.nextWrapColumn(width());
+ if (col < 0)
+ col = layout->text().length();
+ int num = col - line.textStart();
+
+ line.setNumColumns(num);
+
+ // Sometimes, setNumColumns will create a line that's too long (cf. Qt bug 238249)
+ // We verify this and try setting the width again, making it shorter each time until the lengths match.
+ // Dead fugly, but seems to work…
+ for (int i = line.textLength()-1; i >= 0 && line.textLength() > num; i--) {
+ line.setNumColumns(i);
+ }
+ if (num != line.textLength()) {
+ qWarning() << "WARNING: Layout engine couldn't workaround Qt bug 238249, please report!";
+ // qDebug() << num << line.textLength() << t.mid(line.textStart(), line.textLength()) << t.mid(line.textStart() + line.textLength());
+ }
+
+ line.setPosition(QPointF(0, h));
+ h += spacing;
+ }
+ layout->endLayout();
+}
+
+
+Clickable ContentsChatItem::clickableAt(const QPointF &pos) const