class AbstractUiMsg;
class ChatItem;
class ChatLine;
+class WebPreviewItem;
class QGraphicsSceneMouseEvent;
Q_OBJECT
public:
+ enum MyEventTypes {
+ ClearWebPreviewEventType = QEvent::User
+ };
+ class ClearWebPreviewEvent;
+
ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, QObject *parent);
virtual ~ChatScene();
inline ColumnHandleItem *firstColumnHandle() const { return firstColHandle; }
inline ColumnHandleItem *secondColumnHandle() const { return secondColHandle; }
+ virtual bool eventFilter(QObject *watched, QEvent *event);
+
public slots:
+ void updateForViewport(qreal width, qreal height);
void setWidth(qreal, bool forceReposition = false);
// these are used by the chatitems to notify the scene and manage selections
void requestBacklog();
+ void loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect);
+ void clearWebPreview(ChatItem *parentItem = 0);
+
signals:
- void sceneHeightChanged(qreal dh);
+ void lastLineChanged(QGraphicsItem *item, qreal offset);
protected:
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
virtual void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent);
+ virtual void customEvent(QEvent *event);
protected slots:
void rowsInserted(const QModelIndex &, int, int);
private slots:
void handlePositionChanged(qreal xpos);
+ void showWebPreview();
+ void clearWebPreviewEvent(ClearWebPreviewEvent *event);
private:
void setHandleXLimits();
// calls to QChatScene::sceneRect() are very expensive. As we manage the scenerect ourselves
// we store the size in a member variable.
QRectF _sceneRect;
+ int _firstLineRow; // the first row to display (aka: not a daychange msg)
+ void updateSceneRect();
+ void updateSceneRect(qreal width);
void updateSceneRect(const QRectF &rect);
+ qreal _viewportHeight;
ColumnHandleItem *firstColHandle, *secondColHandle;
qreal firstColHandlePos, secondColHandlePos;
bool _isSelecting;
int _lastBacklogSize;
+
+ struct WebPreview {
+ ChatItem *parentItem;
+ WebPreviewItem *previewItem;
+ QString url;
+ QRectF urlRect;
+ QTimer delayTimer;
+ WebPreview() : parentItem(0), previewItem(0) {}
+ };
+ WebPreview webPreview;
};
bool ChatScene::containsBuffer(const BufferId &id) const {
- return qobject_cast<MessageFilter*>(model()) ? qobject_cast<MessageFilter*>(model())->containsBuffer(id) : false;
+ MessageFilter *filter = qobject_cast<MessageFilter*>(model());
+ if(filter)
+ return filter->containsBuffer(id);
+ else
+ return false;
}
#endif