X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.h;h=436f3d092ab8eb55b2bdc516d3f35176e2c9d586;hp=1184740cd348b3540fb042b485cefa5790885e00;hb=77176474b628e801ba94d9d50d0d961a12aa01c4;hpb=6353231ed1d32a5be3580ba60a06d9cf588ad877

diff --git a/src/qtui/chatitem.h b/src/qtui/chatitem.h
index 1184740c..436f3d09 100644
--- a/src/qtui/chatitem.h
+++ b/src/qtui/chatitem.h
@@ -33,6 +33,7 @@
 #include <QTextLayout>
 
 class ChatLine;
+class ChatView;
 
 /* All external positions are relative to the parent ChatLine */
 /* Yes, that's also true for the boundingRect() and related things */
@@ -41,13 +42,14 @@ class ChatItem {
 protected:
   // boundingRect is relative to the parent ChatLine
   ChatItem(const QRectF &boundingRect, ChatLine *parent);
-  virtual ~ChatItem() {}
+  virtual ~ChatItem();
 
 public:
-  inline const QAbstractItemModel *model() const;
-  inline ChatLine *chatLine() const;
-  inline ChatScene *chatScene() const;
-  inline int row() const;
+  const QAbstractItemModel *model() const;
+  ChatLine *chatLine() const;
+  ChatScene *chatScene() const;
+  ChatView *chatView() const;
+  int row() const;
   virtual ChatLineModel::ColumnType column() const = 0;
 
   // The boundingRect() is relative to the parent ChatLine
@@ -58,18 +60,10 @@ public:
   inline qreal x() const;
   inline qreal y() const;
 
-  inline QPointF mapToLine(const QPointF &) const;
-  inline QPointF mapFromLine(const QPointF &) const;
-  inline QPointF mapToScene(const QPointF &) const;
-  inline QPointF mapFromScene(const QPointF &) const;
-
-  void initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const;
-  virtual inline void initLayout(QTextLayout *layout) const {
-    initLayoutHelper(layout, QTextOption::NoWrap);
-    doLayout(layout);
-  }
-  virtual void doLayout(QTextLayout *) const;
-  virtual UiStyle::FormatList formatList() const;
+  QPointF mapToLine(const QPointF &) const;
+  QPointF mapFromLine(const QPointF &) const;
+  QPointF mapToScene(const QPointF &) const;
+  QPointF mapFromScene(const QPointF &) const;
 
   virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
   virtual inline int type() const { return ChatScene::ChatItemType; }
@@ -89,6 +83,13 @@ public:
   virtual void addActionsToMenu(QMenu *menu, const QPointF &itemPos);
   virtual void handleClick(const QPointF &pos, ChatScene::ClickMode);
 
+  void initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const;
+
+  //! Remove internally cached data
+  /** This removes e.g. the cached QTextLayout to avoid wasting space for nonvisible ChatLines
+   */
+  virtual void clearCache();
+
 protected:
   enum SelectionMode {
     NoSelection,
@@ -103,6 +104,12 @@ protected:
   virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *) {};
   virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *) {};
 
+  QTextLayout *layout() const;
+  virtual inline void initLayout(QTextLayout *layout) const { initLayout(layout, QTextOption::NoWrap); }
+  virtual void initLayout(QTextLayout *layout, QTextOption::WrapMode, Qt::Alignment alignment = Qt::AlignLeft) const;
+  virtual void doLayout(QTextLayout *) const;
+  virtual UiStyle::FormatList formatList() const;
+
   void paintBackground(QPainter *);
   QVector<QTextLayout::FormatRange> selectionFormats() const;
   virtual QVector<QTextLayout::FormatRange> additionalFormats() const;
@@ -130,6 +137,8 @@ private:
   SelectionMode _selectionMode;
   qint16 _selectionStart, _selectionEnd;
 
+  mutable QTextLayout *_cachedLayout;
+
   // internal selection stuff
   void setSelection(int start, int length);
 
@@ -161,10 +170,7 @@ public:
 protected:
   virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
   virtual inline int type() const { return ChatScene::SenderChatItemType; }
-  virtual inline void initLayout(QTextLayout *layout) const {
-    initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight);
-    doLayout(layout);
-  }
+  virtual inline void initLayout(QTextLayout *layout) const { ChatItem::initLayout(layout, QTextOption::ManualWrap, Qt::AlignRight); }
 };
 
 // ************************************************************
@@ -185,6 +191,8 @@ public:
   inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; }
   QFontMetricsF *fontMetrics() const;
 
+  virtual void clearCache();
+
 protected:
   virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
   virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
@@ -196,10 +204,7 @@ protected:
 
   virtual QVector<QTextLayout::FormatRange> additionalFormats() const;
 
-  virtual inline void initLayout(QTextLayout *layout) const {
-    initLayoutHelper(layout, QTextOption::WrapAtWordBoundaryOrAnywhere);
-    doLayout(layout);
-  }
+  virtual inline void initLayout(QTextLayout *layout) const { ChatItem::initLayout(layout, QTextOption::WrapAtWordBoundaryOrAnywhere); }
   virtual void doLayout(QTextLayout *layout) const;
   virtual UiStyle::FormatList formatList() const;
 
@@ -207,7 +212,7 @@ private:
   class ActionProxy;
   class WrapColumnFinder;
 
-  ContentsChatItemPrivate *_data;
+  mutable ContentsChatItemPrivate *_data;
   ContentsChatItemPrivate *privateData() const;
 
   Clickable clickableAt(const QPointF &pos) const;
@@ -217,13 +222,14 @@ private:
   void clearWebPreview();
 
   qreal setGeometryByWidth(qreal w);
-  friend class ChatLine;
-  friend struct ContentsChatItemPrivate;
 
   QFontMetricsF *_fontMetrics;
 
   // we need a receiver for Action signals
   static ActionProxy _actionProxy;
+
+  friend class ChatLine;
+  friend struct ContentsChatItemPrivate;
 };
 
 struct ContentsChatItemPrivate {
@@ -276,15 +282,8 @@ private:
 
 /*************************************************************************************************/
 
-#include "chatline.h"  /* avoid circular includes */
-
 // Inlines
 
-ChatLine *ChatItem::chatLine() const { return _parent; }
-ChatScene *ChatItem::chatScene() const { return chatLine()->chatScene(); }
-const QAbstractItemModel *ChatItem::model() const { return chatLine()->model(); }
-int ChatItem::row() const { return chatLine()->row(); }
-
 QRectF ChatItem::boundingRect() const { return _boundingRect; }
 qreal ChatItem::width() const { return _boundingRect.width(); }
 qreal ChatItem::height() const { return _boundingRect.height(); }
@@ -292,10 +291,4 @@ QPointF ChatItem::pos() const { return _boundingRect.topLeft(); }
 qreal ChatItem::x() const { return pos().x(); }
 qreal ChatItem::y() const { return pos().y(); }
 
-QPointF ChatItem::mapToLine(const QPointF &p) const { return p + pos(); }
-QPointF ChatItem::mapFromLine(const QPointF &p) const { return p - pos(); }
-// relative to the ChatLine
-QPointF ChatItem::mapToScene(const QPointF &p) const { return chatLine()->mapToScene(p /* + pos() */); }
-QPointF ChatItem::mapFromScene(const QPointF &p) const { return chatLine()->mapFromScene(p) /* - pos() */; }
-
 #endif