#include <QSet>
#include "columnhandleitem.h"
-
+#include "messagefilter.h"
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();
int sectionByScenePos(int x);
inline int sectionByScenePos(const QPoint &pos) { return sectionByScenePos(pos.x()); }
inline bool isSingleBufferScene() const { return _singleBufferScene; }
+ inline bool containsBuffer(const BufferId &id) const;
inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; }
- inline QRectF firstColumnHandleRect() const { return firstColHandle->boundingRect().translated(firstColHandle->x(), 0); }
- inline QRectF secondColumnHandleRect() const { return secondColHandle->boundingRect().translated(secondColHandle->x(), 0); }
+ 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();
QList<ChatLine *> _lines;
bool _singleBufferScene;
+ // 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 {
+ MessageFilter *filter = qobject_cast<MessageFilter*>(model());
+ if(filter)
+ return filter->containsBuffer(id);
+ else
+ return false;
+}
+
#endif