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

diff --git a/src/qtui/chatline.h b/src/qtui/chatline.h
index 724be7d..8fde09d 100644 (file)
--- a/src/qtui/chatline.h
+++ b/src/qtui/chatline.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-2013 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -15,7 +15,7 @@
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  ***************************************************************************/
 
 #ifndef CHATLINE_H_
@@ -25,36 +25,93 @@
 
 #include "chatlinemodel.h"
 #include "chatitem.h"
+#include "chatscene.h"
 
-class ChatLine : public QGraphicsItem {
+class ChatLine : public QGraphicsItem
+{
+public:
+    ChatLine(int row, QAbstractItemModel *model,
+        const qreal &width,
+        const qreal &timestampWidth, const qreal &senderWidth, const qreal &contentsWidth,
+        const QPointF &senderPos, const QPointF &contentsPos,
+        QGraphicsItem *parent = 0);
 
-  public:
-  ChatLine(int row, QAbstractItemModel *model, QGraphicsItem *parent = 0);
+    virtual ~ChatLine();
 
-    virtual QRectF boundingRect () const;
+    virtual inline QRectF boundingRect() const { return QRectF(0, 0, _width, _height); }
+
+    inline QModelIndex index() const { return model()->index(row(), 0); }
+    inline MsgId msgId() const { return index().data(MessageModel::MsgIdRole).value<MsgId>(); }
+    inline Message::Type msgType() const { return (Message::Type)index().data(MessageModel::TypeRole).toInt(); }
+
+    inline int row() const { return _row; }
+    inline void setRow(int row) { _row = row; }
+
+    inline const QAbstractItemModel *model() const { return _model; }
+    inline ChatScene *chatScene() const { return qobject_cast<ChatScene *>(scene()); }
+    inline ChatView *chatView() const { return chatScene() ? chatScene()->chatView() : 0; }
 
-  inline int row() { return _row; }
-  inline void setRow(int row) { _row = row; }
     inline qreal width() const { return _width; }
     inline qreal height() const { return _height; }
-    ChatItem &item(ChatLineModel::ColumnType);
 
-    virtual void paint (QPainter * painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    ChatItem *item(ChatLineModel::ColumnType);
+    ChatItem *itemAt(const QPointF &pos);
+    inline ChatItem *timestampItem() { return &_timestampItem; }
+    inline ChatItem *senderItem() { return &_senderItem; }
+    inline ContentsChatItem *contentsItem() { return &_contentsItem; }
+
+    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    enum { Type = ChatScene::ChatLineType };
+    virtual inline int type() const { return Type; }
+
+    // pos is relative to the parent ChatLine
+    void setFirstColumn(const qreal &timestampWidth, const qreal &senderWidth, const QPointF &senderPos);
+    // setSecondColumn and setGeometryByWidth both also relocate the chatline.
+    // the _bottom_ position is passed via linePos. linePos is updated to the top of the chatLine.
+    void setSecondColumn(const qreal &senderWidth, const qreal &contentsWidth, const QPointF &contentsPos, qreal &linePos);
+    void setGeometryByWidth(const qreal &width, const qreal &contentsWidth, qreal &linePos);
 
-    // returns height
-    qreal setGeometry(qreal width, qreal firstColPos, qreal secondColPos);
     void setSelected(bool selected, ChatLineModel::ColumnType minColumn = ChatLineModel::ContentsColumn);
     void setHighlighted(bool highlighted);
 
-  protected:
+    void clearCache();
+
+protected:
+    virtual bool sceneEvent(QEvent *event);
 
-  private:
-  int _row;
-    ChatItem _timestampItem, _senderItem, _contentsItem;
+    // These need to be relayed to the appropriate ChatItem
+    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
+    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+    virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+    virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+    virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
+
+    ChatItem *mouseEventTargetItem(const QPointF &pos);
+
+    inline ChatItem *mouseGrabberItem() const { return _mouseGrabberItem; }
+    void setMouseGrabberItem(ChatItem *item);
+
+private:
+    int _row;
+    QAbstractItemModel *_model;
+    ContentsChatItem _contentsItem;
+    SenderChatItem _senderItem;
+    TimestampChatItem _timestampItem;
     qreal _width, _height;
 
-    enum { Selected = 0x40, Highlighted = 0x80 };
-    quint8 _selection;  // save space, so we put both the col and the flags into one byte
+    enum { ItemMask = 0x3f,
+           Selected = 0x40,
+           Highlighted = 0x80 };
+    // _selection[1..0] ... Min Selected Column (See MessageModel::ColumnType)
+    // _selection[5..2] ... reserved for new column types
+    // _selection[6] ...... Selected
+    // _selection[7] ...... Highlighted
+    quint8 _selection; // save space, so we put both the col and the flags into one byte
+
+    ChatItem *_mouseGrabberItem;
+    ChatItem *_hoverItem;
 };
 
+
 #endif