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Diffstat (limited to 'demos/undo/commands.cpp')
-rw-r--r-- | demos/undo/commands.cpp | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/demos/undo/commands.cpp b/demos/undo/commands.cpp deleted file mode 100644 index e688cad602..0000000000 --- a/demos/undo/commands.cpp +++ /dev/null @@ -1,180 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "commands.h" - -static const int setShapeRectCommandId = 1; -static const int setShapeColorCommandId = 2; - -/****************************************************************************** -** AddShapeCommand -*/ - -AddShapeCommand::AddShapeCommand(Document *doc, const Shape &shape, QUndoCommand *parent) - : QUndoCommand(parent) -{ - m_doc = doc; - m_shape = shape; -} - -void AddShapeCommand::undo() -{ - m_doc->deleteShape(m_shapeName); -} - -void AddShapeCommand::redo() -{ - // A shape only gets a name when it is inserted into a document - m_shapeName = m_doc->addShape(m_shape); - setText(QObject::tr("Add %1").arg(m_shapeName)); -} - -/****************************************************************************** -** RemoveShapeCommand -*/ - -RemoveShapeCommand::RemoveShapeCommand(Document *doc, const QString &shapeName, - QUndoCommand *parent) - : QUndoCommand(parent) -{ - setText(QObject::tr("Remove %1").arg(shapeName)); - m_doc = doc; - m_shape = doc->shape(shapeName); - m_shapeName = shapeName; -} - -void RemoveShapeCommand::undo() -{ - m_shapeName = m_doc->addShape(m_shape); -} - -void RemoveShapeCommand::redo() -{ - m_doc->deleteShape(m_shapeName); -} - -/****************************************************************************** -** SetShapeColorCommand -*/ - -SetShapeColorCommand::SetShapeColorCommand(Document *doc, const QString &shapeName, - const QColor &color, QUndoCommand *parent) - : QUndoCommand(parent) -{ - setText(QObject::tr("Set %1's color").arg(shapeName)); - - m_doc = doc; - m_shapeName = shapeName; - m_oldColor = doc->shape(shapeName).color(); - m_newColor = color; -} - -void SetShapeColorCommand::undo() -{ - m_doc->setShapeColor(m_shapeName, m_oldColor); -} - -void SetShapeColorCommand::redo() -{ - m_doc->setShapeColor(m_shapeName, m_newColor); -} - -bool SetShapeColorCommand::mergeWith(const QUndoCommand *command) -{ - if (command->id() != setShapeColorCommandId) - return false; - - const SetShapeColorCommand *other = static_cast<const SetShapeColorCommand*>(command); - if (m_shapeName != other->m_shapeName) - return false; - - m_newColor = other->m_newColor; - return true; -} - -int SetShapeColorCommand::id() const -{ - return setShapeColorCommandId; -} - -/****************************************************************************** -** SetShapeRectCommand -*/ - -SetShapeRectCommand::SetShapeRectCommand(Document *doc, const QString &shapeName, - const QRect &rect, QUndoCommand *parent) - : QUndoCommand(parent) -{ - setText(QObject::tr("Change %1's geometry").arg(shapeName)); - - m_doc = doc; - m_shapeName = shapeName; - m_oldRect = doc->shape(shapeName).rect(); - m_newRect = rect; -} - -void SetShapeRectCommand::undo() -{ - m_doc->setShapeRect(m_shapeName, m_oldRect); -} - -void SetShapeRectCommand::redo() -{ - m_doc->setShapeRect(m_shapeName, m_newRect); -} - -bool SetShapeRectCommand::mergeWith(const QUndoCommand *command) -{ - if (command->id() != setShapeRectCommandId) - return false; - - const SetShapeRectCommand *other = static_cast<const SetShapeRectCommand*>(command); - if (m_shapeName != other->m_shapeName) - return false; - - m_newRect = other->m_newRect; - return true; -} - -int SetShapeRectCommand::id() const -{ - return setShapeRectCommandId; -} |