1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 Jochen Becher 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of Qt Creator. 7 ** 8 ** Commercial License Usage 9 ** Licensees holding valid commercial Qt licenses may use this file in 10 ** accordance with the commercial license agreement provided with the 11 ** Software or, alternatively, in accordance with the terms contained in 12 ** a written agreement between you and The Qt Company. For licensing terms 13 ** and conditions see https://www.qt.io/terms-conditions. For further 14 ** information use the contact form at https://www.qt.io/contact-us. 15 ** 16 ** GNU General Public License Usage 17 ** Alternatively, this file may be used under the terms of the GNU 18 ** General Public License version 3 as published by the Free Software 19 ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT 20 ** included in the packaging of this file. Please review the following 21 ** information to ensure the GNU General Public License requirements will 22 ** be met: https://www.gnu.org/licenses/gpl-3.0.html. 23 ** 24 ****************************************************************************/ 25 26 #include "undocommand.h" 27 28 #include "qmt/infrastructure/qmtassert.h" 29 30 namespace qmt { 31 UndoCommand(const QString & text)32UndoCommand::UndoCommand(const QString &text) 33 : QUndoCommand(text) 34 { 35 } 36 ~UndoCommand()37UndoCommand::~UndoCommand() 38 { 39 } 40 id() const41int UndoCommand::id() const 42 { 43 return 1; 44 } 45 setDoNotMerge(bool doNotMerge)46void UndoCommand::setDoNotMerge(bool doNotMerge) 47 { 48 m_doNotMerge = doNotMerge; 49 } 50 mergeWith(const QUndoCommand * other)51bool UndoCommand::mergeWith(const QUndoCommand *other) 52 { 53 auto otherCommand = dynamic_cast<const UndoCommand *>(other); 54 if (!otherCommand || otherCommand->m_doNotMerge) 55 return false; 56 return mergeWith(otherCommand); 57 } 58 mergeWith(const UndoCommand * other)59bool UndoCommand::mergeWith(const UndoCommand *other) 60 { 61 Q_UNUSED(other) 62 63 return false; 64 } 65 undo()66void UndoCommand::undo() 67 { 68 QMT_CHECK(!m_canRedo); 69 m_canRedo = true; 70 } 71 redo()72void UndoCommand::redo() 73 { 74 QMT_CHECK(m_canRedo); 75 m_canRedo = false; 76 } 77 78 } // namespace qmt 79