qt5base-lts/examples/widgets/tools/undoframework/commands.h
Lucie Gérard 05fc3aef53 Use SPDX license identifiers
Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Files that have to be modified by hand are modified.
License files are organized under LICENSES directory.

Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-05-16 16:37:38 +02:00

68 lines
1.4 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef COMMANDS_H
#define COMMANDS_H
#include <QUndoCommand>
#include "diagramitem.h"
//! [0]
class MoveCommand : public QUndoCommand
{
public:
enum { Id = 1234 };
MoveCommand(DiagramItem *diagramItem, const QPointF &oldPos,
QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
bool mergeWith(const QUndoCommand *command) override;
int id() const override { return Id; }
private:
DiagramItem *myDiagramItem;
QPointF myOldPos;
QPointF newPos;
};
//! [0]
//! [1]
class DeleteCommand : public QUndoCommand
{
public:
explicit DeleteCommand(QGraphicsScene *graphicsScene, QUndoCommand *parent = nullptr);
void undo() override;
void redo() override;
private:
DiagramItem *myDiagramItem;
QGraphicsScene *myGraphicsScene;
};
//! [1]
//! [2]
class AddCommand : public QUndoCommand
{
public:
AddCommand(DiagramItem::DiagramType addType, QGraphicsScene *graphicsScene,
QUndoCommand *parent = nullptr);
~AddCommand();
void undo() override;
void redo() override;
private:
DiagramItem *myDiagramItem;
QGraphicsScene *myGraphicsScene;
QPointF initialPosition;
};
//! [2]
QString createCommandString(DiagramItem *item, const QPointF &point);
#endif