/usr/include/qgis/qgsgroupungroupitemscommand.h is in libqgis-dev 2.14.11+dfsg-3+deb9u1.
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qgsgroupungroupitemscommand.h
------------------------
begin : 2016-06-09
copyright : (C) 2016 by Sandro Santilli
email : strk at kbt dot io
***************************************************************************/
/***************************************************************************
* *
* 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 QGSGROUPUNGROUPITEMSCOMMAND_H
#define QGSGROUPUNGROUPITEMSCOMMAND_H
#include <QUndoCommand>
#include "qgscomposeritemgroup.h"
class QgsComposerItem;
class QgsComposition;
/** A composer command class for grouping / ungrouping composer items.
*
* If mState == Ungrouped, the command owns the group item
*/
class CORE_EXPORT QgsGroupUngroupItemsCommand: public QObject, public QUndoCommand
{
Q_OBJECT
public:
/** Command kind, and state */
enum State
{
Grouped = 0,
Ungrouped
};
/** Create a group or ungroup command
*
* @param s command kind (@see State)
* @param item the group item being created or ungrouped
* @param c the composition including this group
* @param text command label
* @param parent parent command, if any
*
*/
QgsGroupUngroupItemsCommand( State s, QgsComposerItemGroup* item, QgsComposition* c, const QString& text, QUndoCommand* parent = nullptr );
~QgsGroupUngroupItemsCommand();
void redo() override;
void undo() override;
signals:
/** Signals addition of an item (the group) */
void itemAdded( QgsComposerItem* item );
/** Signals removal of an item (the group) */
void itemRemoved( QgsComposerItem* item );
private:
QgsComposerItemGroup* mGroup;
QSet<QgsComposerItem*> mItems;
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 // QGSGROUPUNGROUPITEMSCOMMAND_H
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