Finally fixing the WebPreview crash bug. As a result BspTreeIndexing has been reenabled.

[quassel.git] / src / qtui / chatscene.h

diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h
index aa741cb..637dfe1 100644 (file)
--- a/src/qtui/chatscene.h
+++ b/src/qtui/chatscene.h
@@ -39,6 +39,11 @@ class ChatScene : public QGraphicsScene {
   Q_OBJECT
 
 public:
+  enum MyEventTypes {
+    ClearWebPreviewEventType = QEvent::User
+  };
+  class ClearWebPreviewEvent;
+
   ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, QObject *parent);
   virtual ~ChatScene();
 
@@ -70,12 +75,13 @@ public slots:
   void clearWebPreview(ChatItem *parentItem = 0);
 
 signals:
-  void lastLineChanged(QGraphicsItem *);
+  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);
@@ -83,6 +89,9 @@ protected slots:
 
 private slots:
   void handlePositionChanged(qreal xpos);
+  void showWebPreview();
+  void clearWebPreviewEvent(ClearWebPreviewEvent *event);
+  void deleteWebPreview();
 
 private:
   void setHandleXLimits();
@@ -97,6 +106,9 @@ private:
   // 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;
 
@@ -114,9 +126,11 @@ private:
 
   struct WebPreview {
     ChatItem *parentItem;
-    WebPreviewItem *previewItem;
+    QGraphicsItem *previewItem;
     QString url;
     QRectF urlRect;
+    QTimer delayTimer;
+    QTimer deleteTimer;
     WebPreview() : parentItem(0), previewItem(0) {}
   };
   WebPreview webPreview;