Qt 4.8
qundogroup.h
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41 
42 #ifndef QUNDOGROUP_H
43 #define QUNDOGROUP_H
44 
45 #include <QtCore/qobject.h>
46 #include <QtCore/qstring.h>
47 
49 
51 
52 class QUndoGroupPrivate;
53 class QUndoStack;
54 class QAction;
55 
56 QT_MODULE(Gui)
57 
58 #ifndef QT_NO_UNDOGROUP
59 
61 {
62  Q_OBJECT
64 
65 public:
66  explicit QUndoGroup(QObject *parent = 0);
67  ~QUndoGroup();
68 
69  void addStack(QUndoStack *stack);
70  void removeStack(QUndoStack *stack);
71  QList<QUndoStack*> stacks() const;
72  QUndoStack *activeStack() const;
73 
74 #ifndef QT_NO_ACTION
75  QAction *createUndoAction(QObject *parent,
76  const QString &prefix = QString()) const;
77  QAction *createRedoAction(QObject *parent,
78  const QString &prefix = QString()) const;
79 #endif // QT_NO_ACTION
80  bool canUndo() const;
81  bool canRedo() const;
82  QString undoText() const;
83  QString redoText() const;
84  bool isClean() const;
85 
86 public Q_SLOTS:
87  void undo();
88  void redo();
89  void setActiveStack(QUndoStack *stack);
90 
91 Q_SIGNALS:
92  void activeStackChanged(QUndoStack *stack);
93  void indexChanged(int idx);
94  void cleanChanged(bool clean);
95  void canUndoChanged(bool canUndo);
96  void canRedoChanged(bool canRedo);
97  void undoTextChanged(const QString &undoText);
98  void redoTextChanged(const QString &redoText);
99 
100 private:
102 };
103 
104 #endif // QT_NO_UNDOGROUP
105 
107 
109 
110 #endif // QUNDOGROUP_H
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
#define Q_SLOTS
Definition: qobjectdefs.h:71
The QString class provides a Unicode character string.
Definition: qstring.h:83
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
#define Q_SIGNALS
Definition: qobjectdefs.h:72
The QUndoGroup class is a group of QUndoStack objects.
Definition: qundogroup.h:60
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QUndoStack class is a stack of QUndoCommand objects.
Definition: qundostack.h:91
#define Q_OBJECT
Definition: qobjectdefs.h:157
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
#define QT_END_HEADER
Definition: qglobal.h:137
The QAction class provides an abstract user interface action that can be inserted into widgets...
Definition: qaction.h:64
The QList class is a template class that provides lists.
Definition: qdatastream.h:62