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39
40#ifndef QUNDOSTACK_P_H
41#define QUNDOSTACK_P_H
42
43#include <QtGui/private/qtguiglobal_p.h>
44#include <private/qobject_p.h>
45#include <QtCore/qlist.h>
46#include <QtCore/qstring.h>
47#if QT_CONFIG(action)
48# include <QtGui/qaction.h>
49#endif
50
51#include "qundostack.h"
52
53QT_BEGIN_NAMESPACE
54class QUndoCommand;
55class QUndoGroup;
56
57//
58// W A R N I N G
59// -------------
60//
61// This file is not part of the Qt API. It exists purely as an
62// implementation detail. This header file may change from version to
63// version without notice, or even be removed.
64//
65// We mean it.
66//
67
68class QUndoCommandPrivate
69{
70public:
71 QUndoCommandPrivate() : id(-1), obsolete(false) {}
72 QList<QUndoCommand*> child_list;
73 QString text;
74 QString actionText;
75 int id;
76 bool obsolete;
77};
78
79#if QT_CONFIG(undostack)
80
81class QUndoStackPrivate : public QObjectPrivate
82{
83 Q_DECLARE_PUBLIC(QUndoStack)
84public:
85 QUndoStackPrivate() : index(0), clean_index(0), group(nullptr), undo_limit(0) {}
86
87 QList<QUndoCommand*> command_list;
88 QList<QUndoCommand*> macro_stack;
89 int index;
90 int clean_index;
91 QUndoGroup *group;
92 int undo_limit;
93
94 void setIndex(int idx, bool clean);
95 bool checkUndoLimit();
96
97#ifndef QT_NO_ACTION
98 static void setPrefixedText(QAction *action, const QString &prefix, const QString &defaultText, const QString &text);
99#endif
100};
101
102QT_END_NAMESPACE
103#endif // QT_CONFIG(undostack)
104#endif // QUNDOSTACK_P_H
105