1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the Qt Designer of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QDESIGNERUNDOSTACK_H 43 #define QDESIGNERUNDOSTACK_H 44 45 #include <QtCore/QObject> 46 47 QT_BEGIN_NAMESPACE 48 class QUndoStack; 49 class QUndoCommand; 50 51 namespace qdesigner_internal { 52 53 /* QDesignerUndoStack: A QUndoStack extended by a way of setting it to 54 * "dirty" indepently of commands (by modifications without commands 55 * such as resizing). Accomplished via bool m_fakeDirty flag. The 56 * lifecycle of the QUndoStack is managed by the QUndoGroup. */ 57 class QDesignerUndoStack : public QObject 58 { 59 Q_DISABLE_COPY(QDesignerUndoStack) 60 Q_OBJECT 61 public: 62 explicit QDesignerUndoStack(QObject *parent = 0); 63 virtual ~QDesignerUndoStack(); 64 65 void push(QUndoCommand * cmd); 66 void beginMacro(const QString &text); 67 void endMacro(); 68 int index() const; 69 70 const QUndoStack *qundoStack() const; 71 QUndoStack *qundoStack(); 72 73 bool isDirty() const; 74 75 signals: 76 void changed(); 77 78 public slots: 79 void setDirty(bool); 80 81 private: 82 QUndoStack *m_undoStack; 83 bool m_fakeDirty; 84 }; 85 86 } // namespace qdesigner_internal 87 88 QT_END_NAMESPACE 89 90 #endif // QDESIGNERUNDOSTACK_H 91