fixing crash on disconnect

[quassel.git] / src / client / treemodel.h

diff --git a/src/client/treemodel.h b/src/client/treemodel.h
index 8a5e3ac..e585c0b 100644 (file)
--- a/src/client/treemodel.h
+++ b/src/client/treemodel.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  *
@@ -35,8 +35,13 @@ class AbstractTreeItem : public QObject {
   Q_OBJECT
 
 public:
+  enum TreeItemFlag {
+    NoTreeItemFlag = 0x00,
+    DeleteOnLastChildRemoved = 0x01
+  };
+  Q_DECLARE_FLAGS(TreeItemFlags, TreeItemFlag)
+
   AbstractTreeItem(AbstractTreeItem *parent = 0);
-  virtual ~AbstractTreeItem();
 
   bool newChild(AbstractTreeItem *child);
   bool newChilds(const QList<AbstractTreeItem *> &items);
@@ -59,6 +64,8 @@ public:
   virtual inline Qt::ItemFlags flags() const { return _flags; }
   virtual inline void setFlags(Qt::ItemFlags flags) { _flags = flags; }
 
+  inline AbstractTreeItem::TreeItemFlags treeItemFlags() const { return _treeItemFlags; }
+  inline void setTreeItemFlags(AbstractTreeItem::TreeItemFlags flags) { _treeItemFlags = flags; }
   int row() const;
   inline AbstractTreeItem *parent() const { return qobject_cast<AbstractTreeItem *>(QObject::parent()); }
 
@@ -72,10 +79,17 @@ signals:
   
   void beginRemoveChilds(int firstRow, int lastRow);
   void endRemoveChilds();
-                                      
+
+protected:
+  void customEvent(QEvent *event);
+
 private:
   QList<AbstractTreeItem *> _childItems;
   Qt::ItemFlags _flags;
+  TreeItemFlags _treeItemFlags;
+
+  void removeChildLater(AbstractTreeItem *child);
+  inline void checkForDeletion() { if(treeItemFlags() & DeleteOnLastChildRemoved && childCount() == 0) parent()->removeChildLater(this); }
 };