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Diffstat (limited to 'examples/widgets/tools/undo/commands.cpp')
-rw-r--r-- | examples/widgets/tools/undo/commands.cpp | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/examples/widgets/tools/undo/commands.cpp b/examples/widgets/tools/undo/commands.cpp deleted file mode 100644 index 97204f9d2f..0000000000 --- a/examples/widgets/tools/undo/commands.cpp +++ /dev/null @@ -1,177 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "commands.h" - -static constexpr int setShapeRectCommandId = 1; -static constexpr 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), m_doc(doc), m_shape(doc->shape(shapeName)) - , m_shapeName(shapeName) -{ - setText(QObject::tr("Remove %1").arg(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), m_doc(doc), m_shapeName(shapeName) - , m_oldColor(doc->shape(shapeName).color()), m_newColor(color) -{ - setText(QObject::tr("Set %1's color").arg(shapeName)); -} - -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), m_doc(doc), m_shapeName(shapeName) - , m_oldRect(doc->shape(shapeName).rect()), m_newRect(rect) -{ - setText(QObject::tr("Change %1's geometry").arg(shapeName)); -} - -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; -} |