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86 lines
1.9 KiB
86 lines
1.9 KiB
/* |
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This file is part of KMail |
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Copyright (C) 1999 Waldo Bastian (bastian@kde.org) |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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version 2 as published by the Free Software Foundation. |
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This software is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this library; see the file COPYING. If not, write to |
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. |
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*/ |
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#include "kmundostack.h" |
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KMUndoStack::KMUndoStack(int size) |
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: mSize(size) |
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{ |
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mStack.setAutoDelete(true); |
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} |
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void KMUndoStack::clear() |
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{ |
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mStack.clear(); |
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} |
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void |
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KMUndoStack::pushAction(KMMessage *msg, KMFolder *folder) |
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{ |
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KMUndoInfo *info = new KMUndoInfo; |
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info->msg = msg; |
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info->folder = folder; |
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if ((int) mStack.count() == mSize) |
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{ |
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mStack.removeLast(); |
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} |
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mStack.prepend(info); |
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} |
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void |
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KMUndoStack::msgDestroyed( KMMessage *msg) |
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{ |
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for(KMUndoInfo *info = mStack.first(); info; ) |
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{ |
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if (info->msg == msg) |
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{ |
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mStack.removeRef( info ); |
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info = mStack.current(); |
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} |
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else |
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info = mStack.next(); |
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} |
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} |
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void |
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KMUndoStack::folderDestroyed( KMFolder *folder) |
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{ |
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for(KMUndoInfo *info = mStack.first(); info; ) |
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{ |
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if (info->folder == folder) |
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{ |
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mStack.removeRef( info ); |
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info = mStack.current(); |
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} |
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else |
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info = mStack.next(); |
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} |
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} |
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bool |
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KMUndoStack::popAction(KMMessage *&msg, KMFolder *&folder) |
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{ |
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if (mStack.count() == 0) return false; |
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KMUndoInfo *info = mStack.take(0); |
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msg = info->msg; |
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folder = info->folder; |
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delete info; |
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return true; |
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}
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