void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (_selectionMode != NoSelection && event->button() == Qt::LeftButton) {
chatScene()->selectionToClipboard(QClipboard::Selection);
event->accept();
}
else
event->ignore();
}
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();
}
}
bool ChatLine::sceneEvent(QEvent *event) {
if(event->type() == QEvent::GrabMouse) {
// get mouse cursor pos relative to us
ChatView *view = chatScene()->chatView();
QPointF linePos = mapFromScene(view->mapToScene(view->mapFromGlobal(QCursor::pos())));
setMouseGrabberItem(itemAt(linePos));
} else if(event->type() == QEvent::UngrabMouse) {
setMouseGrabberItem(0);
}
return QGraphicsItem::sceneEvent(event);
}
QTextDocument *ChatItem::document() const
{
if (mDoc)
return &(mDoc->doc);
ChatItem *that = const_cast<ChatItem *>(this);
mDoc = new ChatItemDocument(that);
mDoc->callInitDocument();
if(chatScene())
chatView()->setHasCache(chatLine(), true);
return &(mDoc->doc);
}
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();
}
}
ChatView *ChatItem::chatView() const
{
return chatScene()->chatView();
}
inline ChatView *chatView() const {
return chatScene() ? chatScene()->chatView() : 0;
}