+// ************************************************************
+// ContentsChatItem
+// ************************************************************
+
+ContentsChatItem::ActionProxy ContentsChatItem::_actionProxy;
+
+ContentsChatItem::ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent)
+ : ChatItem(0, 0, pos, parent),
+ _data(0)
+{
+ setGeometryByWidth(width);
+}
+
+QFontMetricsF *ContentsChatItem::fontMetrics() const {
+ return QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second, 0);
+}
+
+ContentsChatItem::~ContentsChatItem() {
+ delete _data;
+}
+
+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 h = lines * fontMetrics()->lineSpacing();
+ delete _data;
+ _data = 0;
+
+ if(w != width() || h != height()) {
+ prepareGeometryChange();
+ setGeometry(w, h);
+ }
+ return h;
+}
+
+void ContentsChatItem::doLayout(QTextLayout *layout) const {
+ ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
+ if(!wrapList.count()) return; // empty chatitem
+
+ qreal h = 0;
+ WrapColumnFinder finder(this);
+ layout->beginLayout();
+ forever {
+ QTextLine line = layout->createLine();
+ if(!line.isValid())
+ break;
+
+ int col = finder.nextWrapColumn(width());
+ line.setNumColumns(col >= 0 ? col - line.textStart() : layout->text().length());
+ line.setPosition(QPointF(0, h));
+ h += fontMetrics()->lineSpacing();
+ }
+ layout->endLayout();
+}
+
+Clickable ContentsChatItem::clickableAt(const QPointF &pos) const {
+ return privateData()->clickables.atCursorPos(posToCursor(pos));
+}
+
+UiStyle::FormatList ContentsChatItem::formatList() const {
+ UiStyle::FormatList fmtList = ChatItem::formatList();
+ for(int i = 0; i < privateData()->clickables.count(); i++) {
+ Clickable click = privateData()->clickables.at(i);
+ if(click.type() == Clickable::Url) {
+ overlayFormat(fmtList, click.start(), click.start() + click.length(), UiStyle::Url);
+ }
+ }
+ return fmtList;
+}
+
+QVector<QTextLayout::FormatRange> ContentsChatItem::additionalFormats() const {
+ QVector<QTextLayout::FormatRange> fmt = ChatItem::additionalFormats();
+ // mark a clickable if hovered upon
+ if(privateData()->currentClickable.isValid()) {
+ Clickable click = privateData()->currentClickable;
+ QTextLayout::FormatRange f;
+ f.start = click.start();
+ f.length = click.length();
+ f.format.setFontUnderline(true);
+ fmt.append(f);
+ }
+ return fmt;
+}
+
+void ContentsChatItem::endHoverMode() {
+ if(privateData()) {
+ if(privateData()->currentClickable.isValid()) {
+ setCursor(Qt::ArrowCursor);
+ privateData()->currentClickable = Clickable();
+ }
+ clearWebPreview();
+ update();
+ }
+}
+
+void ContentsChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) {
+ if(clickMode == ChatScene::SingleClick) {
+ qint16 idx = posToCursor(pos);
+ Clickable foo = privateData()->clickables.atCursorPos(idx);
+ if(foo.isValid()) {
+ NetworkId networkId = Client::networkModel()->networkId(data(MessageModel::BufferIdRole).value<BufferId>());
+ QString text = data(ChatLineModel::DisplayRole).toString();
+ foo.activate(networkId, text);
+ }
+ } else if(clickMode == ChatScene::DoubleClick) {
+ chatScene()->setSelectingItem(this);
+ setSelectionMode(PartialSelection);
+ Clickable click = clickableAt(pos);
+ if(click.isValid()) {
+ setSelectionStart(click.start());
+ setSelectionEnd(click.start() + click.length());
+ } else {
+ // find word boundary
+ QString str = data(ChatLineModel::DisplayRole).toString();
+ qint16 cursor = posToCursor(pos);
+ qint16 start = str.lastIndexOf(QRegExp("\\W"), cursor) + 1;
+ qint16 end = qMin(str.indexOf(QRegExp("\\W"), cursor), str.length());
+ if(end < 0) end = str.length();
+ setSelectionStart(start);
+ setSelectionEnd(end);
+ }
+ update();
+ } else if(clickMode == ChatScene::TripleClick) {
+ setSelection(PartialSelection, 0, data(ChatLineModel::DisplayRole).toString().length());
+ }
+ ChatItem::handleClick(pos, clickMode);
+}
+
+void ContentsChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+ // mouse move events always mean we're not hovering anymore...
+ endHoverMode();
+ ChatItem::mouseMoveEvent(event);
+}
+
+void ContentsChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
+ endHoverMode();
+ event->accept();
+}