- 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 {
- 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();
-}
-
-void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
- bool onClickable = false;
- Clickable click = clickableAt(event->pos());
- if(click.isValid()) {
- if(click.type() == Clickable::Url) {
- onClickable = true;
- showWebPreview(click);
- } else if(click.type() == Clickable::Channel) {
- QString name = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
- // don't make clickable if it's our own name
- BufferId myId = data(MessageModel::BufferIdRole).value<BufferId>();
- if(Client::networkModel()->bufferName(myId) != name)
- onClickable = true;
- }
- if(onClickable) {
- setCursor(Qt::PointingHandCursor);
- privateData()->currentClickable = click;
- update();
- return;
- }
- }
- if(!onClickable) endHoverMode();
- event->accept();
-}
-
-void ContentsChatItem::addActionsToMenu(QMenu *menu, const QPointF &pos) {
- if(privateData()->currentClickable.isValid()) {
- Clickable click = privateData()->currentClickable;
- switch(click.type()) {
- case Clickable::Url:
- privateData()->activeClickable = click;
- menu->addAction(SmallIcon("edit-copy"), tr("Copy Link Address"),
- &_actionProxy, SLOT(copyLinkToClipboard()))->setData(QVariant::fromValue<void *>(this));
- break;
- case Clickable::Channel: {
- // Hide existing menu actions, they confuse us when right-clicking on a clickable
- foreach(QAction *action, menu->actions())
- action->setVisible(false);
- QString name = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
- GraphicalUi::contextMenuActionProvider()->addActions(menu, chatScene()->filter(), data(MessageModel::BufferIdRole).value<BufferId>(), name);
- break;
- }
- default:
- break;
- }
- } else {
- // Buffer-specific actions
- ChatItem::addActionsToMenu(menu, pos);
- }
-}
-
-void ContentsChatItem::copyLinkToClipboard() {
- Clickable click = privateData()->activeClickable;
- if(click.isValid() && click.type() == Clickable::Url) {
- QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
- if(!url.contains("://"))
- url = "http://" + url;
- chatScene()->stringToClipboard(url);
- }
+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();
+}
+
+
+bool ContentsChatItem::hasActiveClickable() const
+{
+ return privateData()->currentClickable.isValid();
+}
+
+
+std::pair<quint16, quint16> ContentsChatItem::activeClickableRange() const
+{
+ const auto &clickable = privateData()->currentClickable;
+ if (clickable.isValid()) {
+ return {clickable.start(), clickable.start() + clickable.length()};
+ }
+ return {};
+}
+
+
+Clickable ContentsChatItem::clickableAt(const QPointF &pos) const
+{
+ return privateData()->clickables.atCursorPos(posToCursor(pos));