lib Library API Documentation

kocommandhistory.h

00001 /* This file is part of the KDE project 00002 Copyright (C) 2000 Werner Trobin <trobin@kde.org> 00003 Copyright (C) 2000 David Faure <faure@kde.org> 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public License 00016 along with this library; see the file COPYING.LIB. If not, write to 00017 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00018 Boston, MA 02111-1307, USA. 00019 */ 00020 00021 #ifndef kocommandhistory_h 00022 #define kocommandhistory_h 00023 00024 #include <qptrlist.h> 00025 #include <qstring.h> 00026 #include <qobject.h> 00027 00028 class KAction; 00029 class KActionCollection; 00030 class QPopupMenu; 00031 class KCommand; 00032 #include <qlistbox.h> 00033 00034 class KoListBox : public QListBox { 00035 Q_OBJECT 00036 public: 00037 KoListBox( QWidget *parent = 0, const char *name = 0, WFlags f = 0 ); 00038 protected: 00039 virtual void contentsMouseMoveEvent ( QMouseEvent * ); 00040 signals: 00041 void changeNumberOfSelectedItem( int ); 00042 }; 00043 00056 class KoCommandHistory : public QObject { 00057 Q_OBJECT 00058 public: 00064 KoCommandHistory(); 00065 00074 KoCommandHistory(KActionCollection *actionCollection, bool withMenus = true); 00075 00079 virtual ~KoCommandHistory(); 00080 00086 void clear(); 00087 00096 void addCommand(KCommand *command, bool execute=true); 00097 00101 int undoLimit() const { return m_undoLimit; } 00105 void setUndoLimit(int limit); 00109 int redoLimit() const { return m_redoLimit; } 00113 void setRedoLimit(int limit); 00114 00121 void updateActions(); 00122 00123 public slots: 00128 virtual void undo(); 00133 virtual void redo(); 00142 virtual void documentSaved(); 00143 00144 protected slots: 00145 void slotUndoAboutToShow(); 00146 void slotUndoActivated( int ); 00147 void slotRedoAboutToShow(); 00148 void slotRedoActivated( int ); 00149 void slotUndoActivated( QListBoxItem *); 00150 void slotRedoActivated( QListBoxItem *); 00151 void slotChangeRedoNumberOfSelectedItem( int ); 00152 void slotChangeUndoNumberOfSelectedItem( int ); 00153 signals: 00159 void commandExecuted(); 00164 void documentRestored(); 00165 00166 private: 00167 void clipCommands(); // ensures that the limits are kept 00168 00169 QPtrList<KCommand> m_commands; 00170 KAction *m_undo, *m_redo; 00171 QPopupMenu *m_undoPopup, *m_redoPopup; 00172 int m_undoLimit, m_redoLimit; 00173 bool m_first; // attention: it's the first command in the list! 00174 protected: 00175 virtual void virtual_hook( int id, void* data ); 00176 private: 00177 class KoCommandHistoryPrivate; 00178 KoCommandHistoryPrivate *d; 00179 }; 00180 00181 #endif
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This file is part of the documentation for lib Library Version 1.3.5.
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