kcommand.h
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00021 #ifndef kcommand_h
00022 #define kcommand_h
00023
00024 #include <qptrlist.h>
00025 #include <qstring.h>
00026 #include <qobject.h>
00027 #include <kdemacros.h>
00028
00029 class KAction;
00030 class KActionCollection;
00031 class QPopupMenu;
00032
00037 class KCommand
00038 {
00039 protected:
00043 KCommand() {}
00044
00045 public:
00046 virtual ~KCommand();
00047
00053 virtual void execute() = 0;
00062 virtual void unexecute() = 0;
00063
00068 virtual QString name() const = 0;
00069 protected:
00070 virtual void virtual_hook( int id, void* data );
00071 };
00072
00079 class KDE_DEPRECATED KNamedCommand : public KCommand
00080 {
00081 protected:
00087 KNamedCommand(const QString &name) : KCommand(), m_name(name) {}
00088
00089 public:
00093 virtual QString name() const { return m_name; }
00098 void setName(const QString &name) { m_name=name; }
00099
00100 private:
00101 QString m_name;
00102 protected:
00103 virtual void virtual_hook( int id, void* data );
00104 };
00105
00111 class KMacroCommand : public KNamedCommand
00112 {
00113 public:
00120 KMacroCommand( const QString & name );
00121 virtual ~KMacroCommand() {}
00122
00127 void addCommand(KCommand *command);
00128
00133 virtual void execute();
00138 virtual void unexecute();
00139
00140 protected:
00141 QPtrList<KCommand> m_commands;
00142 protected:
00143 virtual void virtual_hook( int id, void* data );
00144 };
00145
00146
00157 class KCommandHistory : public QObject {
00158 Q_OBJECT
00159 public:
00165 KCommandHistory();
00166
00175 KCommandHistory(KActionCollection *actionCollection, bool withMenus = true);
00176
00180 virtual ~KCommandHistory();
00181
00187 void clear();
00188
00196 void addCommand(KCommand *command, bool execute=true);
00197
00201 int undoLimit() const { return m_undoLimit; }
00205 void setUndoLimit(int limit);
00209 int redoLimit() const { return m_redoLimit; }
00213 void setRedoLimit(int limit);
00214
00221 void updateActions();
00222
00223 public slots:
00228 virtual void undo();
00233 virtual void redo();
00242 virtual void documentSaved();
00243
00244 protected slots:
00245 void slotUndoAboutToShow();
00246 void slotUndoActivated( int );
00247 void slotRedoAboutToShow();
00248 void slotRedoActivated( int );
00249
00250 signals:
00256 void commandExecuted();
00261 void documentRestored();
00262
00263 private:
00264 void clipCommands();
00265
00266 QPtrList<KCommand> m_commands;
00267 KAction *m_undo, *m_redo;
00268 QPopupMenu *m_undoPopup, *m_redoPopup;
00269 int m_undoLimit, m_redoLimit;
00270 bool m_first;
00271 protected:
00272 virtual void virtual_hook( int id, void* data );
00273 private:
00274 class KCommandHistoryPrivate;
00275 KCommandHistoryPrivate *d;
00276 };
00277
00278 #endif
This file is part of the documentation for kdeui Library Version 3.2.1.
Documentation copyright © 1996-2004 the KDE developers.
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doxygen 1.3.6-20040222 written by
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