diff options
Diffstat (limited to 'indra/llui/llundo.h')
-rw-r--r-- | indra/llui/llundo.h | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/indra/llui/llundo.h b/indra/llui/llundo.h index a6da550126..19cb09e6bb 100644 --- a/indra/llui/llundo.h +++ b/indra/llui/llundo.h @@ -1,25 +1,25 @@ -/** +/** * @file llundo.h * @brief Generic interface for undo/redo circular buffer. * * $LicenseInfo:firstyear=2000&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library 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 * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -31,38 +31,38 @@ class LLUndoBuffer { public: - class LLUndoAction - { - friend class LLUndoBuffer; - public: - virtual void undo() = 0; - virtual void redo() = 0; - virtual void cleanup() {}; - protected: - LLUndoAction(): mClusterID(0) {}; - virtual ~LLUndoAction(){}; - private: - S32 mClusterID; - }; + class LLUndoAction + { + friend class LLUndoBuffer; + public: + virtual void undo() = 0; + virtual void redo() = 0; + virtual void cleanup() {}; + protected: + LLUndoAction(): mClusterID(0) {}; + virtual ~LLUndoAction(){}; + private: + S32 mClusterID; + }; - LLUndoBuffer( LLUndoAction (*create_func()), S32 initial_count ); - virtual ~LLUndoBuffer(); + LLUndoBuffer( LLUndoAction (*create_func()), S32 initial_count ); + virtual ~LLUndoBuffer(); - LLUndoAction *getNextAction(BOOL setClusterBegin = TRUE); - BOOL undoAction(); - BOOL redoAction(); - BOOL canUndo() { return (mNextAction != mFirstAction); } - BOOL canRedo() { return (mNextAction != mLastAction); } + LLUndoAction *getNextAction(BOOL setClusterBegin = TRUE); + BOOL undoAction(); + BOOL redoAction(); + BOOL canUndo() { return (mNextAction != mFirstAction); } + BOOL canRedo() { return (mNextAction != mLastAction); } - void flushActions(); + void flushActions(); private: - LLUndoAction **mActions; // array of pointers to undoactions - S32 mNumActions; // total number of actions in ring buffer - S32 mNextAction; // next action to perform undo/redo on - S32 mLastAction; // last action actually added to undo buffer - S32 mFirstAction; // beginning of ring buffer (don't undo any further) - S32 mOperationID; // current operation id, for undoing and redoing in clusters + LLUndoAction **mActions; // array of pointers to undoactions + S32 mNumActions; // total number of actions in ring buffer + S32 mNextAction; // next action to perform undo/redo on + S32 mLastAction; // last action actually added to undo buffer + S32 mFirstAction; // beginning of ring buffer (don't undo any further) + S32 mOperationID; // current operation id, for undoing and redoing in clusters }; #endif //LL_LLUNDO_H |