/usr/include/qgis/qgsaddremoveitemcommand.h is in libqgis-dev 2.8.6+dfsg-1build1.
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qgsaddremoveitemcommand.h
------------------------
begin : 2010-11-27
copyright : (C) 2010 by Marco Hugentobler
email : marco dot hugentobler at sourcepole dot ch
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSADDREMOVEITEMCOMMAND_H
#define QGSADDREMOVEITEMCOMMAND_H
#include <QUndoCommand>
class QgsComposerItem;
class QgsComposition;
/**A composer command class for adding / removing composer items. If mState == Removed, the command owns the item*/
class CORE_EXPORT QgsAddRemoveItemCommand: public QObject, public QUndoCommand
{
Q_OBJECT
public:
enum State
{
Added = 0,
Removed
};
QgsAddRemoveItemCommand( State s, QgsComposerItem* item, QgsComposition* c, const QString& text, QUndoCommand* parent = 0 );
~QgsAddRemoveItemCommand();
void redo() override;
void undo() override;
signals:
void itemAdded( QgsComposerItem* item );
void itemRemoved( QgsComposerItem* item );
private:
QgsComposerItem* mItem;
QgsComposition* mComposition;
State mState;
bool mFirstRun; //flag to prevent execution when the command is pushed to the QUndoStack
//changes between added / removed state
void switchState();
};
#endif // QGSADDREMOVEITEMCOMMAND_H
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