The WebPreviews are now controlled via a neat state machine

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

diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h
index 7ef50d9..3ec77f5 100644 (file)
--- a/src/qtui/chatscene.h
+++ b/src/qtui/chatscene.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-09 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -22,6 +22,7 @@
 #define CHATSCENE_H_
 
 #include <QAbstractItemModel>
+#include <QClipboard>
 #include <QGraphicsItem>
 #include <QGraphicsScene>
 #include <QSet>
@@ -61,29 +62,31 @@ public:
 
   enum ClickMode {
     NoClick,
+    DragStartClick,
     SingleClick,
     DoubleClick,
-    TripleClick,
-    DragStartClick
+    TripleClick
   };
 
   ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, ChatView *parent);
   virtual ~ChatScene();
 
   inline QAbstractItemModel *model() const { return _model; }
+  inline MessageFilter *filter() const { return qobject_cast<MessageFilter*>(_model); }
   inline QString idString() const { return _idString; }
 
-  int rowByScenePos(qreal y);
-  inline int rowByScenePos(const QPointF &pos) { return rowByScenePos(pos.y()); }
-  ChatLineModel::ColumnType columnByScenePos(qreal x);
-  inline ChatLineModel::ColumnType columnByScenePos(const QPointF &pos) { return columnByScenePos(pos.x()); }
+  int rowByScenePos(qreal y) const;
+  inline int rowByScenePos(const QPointF &pos) const { return rowByScenePos(pos.y()); }
+  ChatLineModel::ColumnType columnByScenePos(qreal x) const ;
+  inline ChatLineModel::ColumnType columnByScenePos(const QPointF &pos) const { return columnByScenePos(pos.x()); }
 
   ChatView *chatView() const;
   ChatItem *chatItemAt(const QPointF &pos) const;
+  inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; }
 
-  inline bool isSingleBufferScene() const { return _singleBufferScene; }
+  inline bool isSingleBufferScene() const { return _singleBufferId.isValid(); }
+  inline BufferId singleBufferId() const { return _singleBufferId; }
   bool containsBuffer(const BufferId &id) const;
-  inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; }
 
   ColumnHandleItem *firstColumnHandle() const;
   ColumnHandleItem *secondColumnHandle() const;
@@ -92,9 +95,10 @@ public:
   inline void setSenderCutoffMode(CutoffMode mode) { _cutoffMode = mode; }
 
   QString selection() const;
-  inline bool hasGlobalSelection() const { return _selectionStart >= 0; }
-  inline bool isGloballySelecting() const { return _isSelecting; }
+  bool hasSelection() const;
+  bool hasGlobalSelection() const;
   bool isPosOverSelection(const QPointF &) const;
+  bool isGloballySelecting() const;
   void initiateDrag(QWidget *source);
 
   bool isScrollingAllowed() const;
@@ -111,13 +115,15 @@ public:
   void startGlobalSelection(ChatItem *item, const QPointF &itemPos);
   void clearGlobalSelection();
   void clearSelection();
-
-  void putToClipboard(const QString &);
+  void selectionToClipboard(QClipboard::Mode = QClipboard::Clipboard);
+  void stringToClipboard(const QString &str, QClipboard::Mode = QClipboard::Clipboard);
 
   void requestBacklog();
 
+#ifdef HAVE_WEBKIT
   void loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect);
   void clearWebPreview(ChatItem *parentItem = 0);
+#endif
 
 signals:
   void lastLineChanged(QGraphicsItem *item, qreal offset);
@@ -125,6 +131,7 @@ signals:
   void mouseMoveWhileSelecting(const QPointF &scenePos);
 
 protected:
+  virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *contextMenuEvent);
   virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
   virtual void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);
   virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent);
@@ -138,8 +145,9 @@ protected slots:
 private slots:
   void firstHandlePositionChanged(qreal xpos);
   void secondHandlePositionChanged(qreal xpos);
-  void showWebPreviewEvent();
-  void deleteWebPreviewEvent();
+#ifdef HAVE_WEBKIT
+  void webPreviewNextStep();
+#endif
   void showWebPreviewChanged();
 
   void clickTimeout();
@@ -152,7 +160,7 @@ private:
   QString _idString;
   QAbstractItemModel *_model;
   QList<ChatLine *> _lines;
-  bool _singleBufferScene;
+  BufferId _singleBufferId;
 
   // calls to QChatScene::sceneRect() are very expensive. As we manage the scenerect ourselves
   // we store the size in a member variable.
@@ -174,24 +182,33 @@ private:
   int _firstSelectionRow;
   bool _isSelecting;
 
-  bool _showWebPreview;
-
   QTimer _clickTimer;
   ClickMode _clickMode;
   QPointF _clickPos;
   bool _clickHandled;
   bool _leftButtonPressed;
 
+  bool _showWebPreview;
+
+#ifdef HAVE_WEBKIT
   struct WebPreview {
+    enum PreviewState {
+      NoPreview,
+      NewPreview,
+      DelayPreview,
+      ShowPreview,
+      HidePreview
+    };
     ChatItem *parentItem;
     QGraphicsItem *previewItem;
     QString url;
     QRectF urlRect;
-    QTimer delayTimer;
-    QTimer deleteTimer;
-    WebPreview() : parentItem(0), previewItem(0) {}
+    PreviewState previewState;
+    QTimer timer;
+    WebPreview() : parentItem(0), previewItem(0), previewState(NoPreview) {}
   };
   WebPreview webPreview;
+#endif // HAVE_WEBKIT
 };
 
 #endif