-void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
- Q_UNUSED(option); Q_UNUSED(widget);
- if(!haveLayout()) updateLayout();
- painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
- //if(_selectionMode == FullSelection) {
- //painter->save();
- //painter->fillRect(boundingRect(), QApplication::palette().brush(QPalette::Highlight));
- //painter->restore();
- //}
- QVector<QTextLayout::FormatRange> formats;
- if(_selectionMode != NoSelection) {
- QTextLayout::FormatRange selectFmt;
- selectFmt.format.setForeground(QApplication::palette().brush(QPalette::HighlightedText));
- selectFmt.format.setBackground(QApplication::palette().brush(QPalette::Highlight));
- if(_selectionMode == PartialSelection) {
- selectFmt.start = qMin(_selectionStart, _selectionEnd);
- selectFmt.length = qAbs(_selectionStart - _selectionEnd);
- } else { // FullSelection
- selectFmt.start = 0;
- selectFmt.length = data(MessageModel::DisplayRole).toString().length();
- }
- formats.append(selectFmt);
- }
- _layout->draw(painter, QPointF(0,0), formats, boundingRect());
-}
-
-qint16 ChatItem::posToCursor(const QPointF &pos) {
- if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length();
- if(pos.y() < 0) return 0;
- if(!haveLayout()) updateLayout();
- 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::setFullSelection() {
- if(_selectionMode != FullSelection) {
- _selectionMode = FullSelection;
- update();
- }
-}
-
-void ChatItem::clearSelection() {
- if(_selectionMode != NoSelection) {
- _selectionMode = NoSelection;
- update();
- }
-}
-
-void ChatItem::continueSelecting(const QPointF &pos) {
- _selectionMode = PartialSelection;
- _selectionEnd = posToCursor(pos);
- update();
-}
-
-void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
- if(event->buttons() & Qt::LeftButton) {
- if(_selectionMode == NoSelection) {
- chatScene()->setSelectingItem(this); // removes earlier selection if exists
- _selectionStart = _selectionEnd = posToCursor(event->pos());
- _selectionMode = PartialSelection;
- } else {
- chatScene()->setSelectingItem(0);
- _selectionMode = NoSelection;
- update();
+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 compositing instead
+ QPixmap pixmap(layout()->boundingRect().toRect().size());
+ pixmap.fill(Qt::transparent);
+
+ QPainter pixPainter(&pixmap);
+ layout()->draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), additionalFormats());
+
+ // Create alpha channel mask
+ QLinearGradient gradient;
+ if (offset < 0) {
+ gradient.setStart(0, 0);
+ gradient.setFinalStop(12, 0);
+ gradient.setColorAt(0, Qt::transparent);
+ gradient.setColorAt(1, Qt::white);
+ }
+ else {
+ gradient.setStart(width()-10, 0);
+ gradient.setFinalStop(width(), 0);
+ gradient.setColorAt(0, Qt::white);
+ gradient.setColorAt(1, Qt::transparent);
+ }
+ pixPainter.setCompositionMode(QPainter::CompositionMode_DestinationIn); // gradient's alpha gets applied to the pixmap
+ pixPainter.fillRect(pixmap.rect(), gradient);
+ 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;