Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 96 insertions, 0 deletions

diff --git a/kmail/kmmsglist.h b/kmail/kmmsglist.h
new file mode 100644
index 000000000..1319fde40
--- /dev/null
+++ b/kmail/kmmsglist.h
@@ -0,0 +1,96 @@
+/*
+ * kmail: KDE mail client
+ * Copyright (c) 1996-1998 Stefan Taferner <taferner@kde.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+#ifndef kmmsglist_h
+#define kmmsglist_h
+
+#include "kmmsgbase.h"
+
+#include <qmemarray.h>
+
+/**
+ * @short An abstraction of an array of pointers to messages.
+ *
+ * This class represents an array of pointers to message objects. It
+ * autoresizes and can load a KMMsgDict object from its contents. It's
+ * a pure implementation detail of KMFolderIndex and should not be used by
+ * the layers above that.
+ *
+ * @author Stefan Taferner <taferner@kde.org>
+ */
+class KMMsgList: public QMemArray<KMMsgBase*>
+{
+public:
+
+  /** Constructor with optional initial size. */
+  KMMsgList(int initialSize=32);
+
+  /** Destructor also deletes all messages in the list. */
+  ~KMMsgList();
+
+  /** Remove message at given index without deleting it.
+    Also removes from message dictionary. */
+  void remove(unsigned int idx);
+
+  /** Returns message at given index and removes it from the list.
+    Also removes from message dictionary. */
+  KMMsgBase* take(unsigned int idx);
+
+  /** Insert message at given index. Resizes the array if necessary.
+    If @p syncDict, also updates message dictionary. */
+  void insert(unsigned int idx, KMMsgBase* msg, bool syncDict = true);
+
+  /** Append given message after the last used message. Resizes the
+    array if necessary. Returns index of new position.
+    If @p syncDict, also updates message dictionary. */
+  unsigned int append(KMMsgBase* msg, bool syncDict = true);
+
+  /** Clear messages. If autoDelete is set (default) the messages are
+      deleted. The array is not resized.  If @p syncDict, also updates
+      the message dictionary. */
+  void clear(bool autoDelete=TRUE, bool syncDict = false);
+
+  /** Resize array and initialize new elements if any. Returns
+    FALSE if memory cannot be allocated. */
+  bool resize(unsigned int size);
+
+  /** Clear the array and resize it to given size. Returns FALSE
+    if memory cannot be allocated. */
+  bool reset(unsigned int size);
+
+  /** Set message at given index. The array is resized if necessary. If
+   there is already a message at the given index this message is *not*
+   deleted.  Does not sync the message dictionary. */
+  void set(unsigned int idx, KMMsgBase* msg);
+
+  /** Returns first unused index (index of last message plus one). */
+  unsigned int high() const { return mHigh; }
+
+  /** Number of messages in the array. */
+  unsigned int count() const { return mCount; }
+
+protected:
+  /** Set mHigh to proper value */
+  void rethinkHigh();
+
+  unsigned int mHigh, mCount;
+};
+
+
+#endif /*kmmsglist_h*/