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/* This file is part of the KDE project
Copyright 2008 Stefan Nikolaus <stefan.nikolaus@kdemail.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef CALLIGRA_SHEETS_ABSTRACT_SELECTION_STRATEGY
#define CALLIGRA_SHEETS_ABSTRACT_SELECTION_STRATEGY
#include <KoInteractionStrategy.h>
#include <Qt>
class KoCanvasBase;
namespace Calligra
{
namespace Sheets
{
class CellToolBase;
class Selection;
/**
* An abstract selection strategy.
*
* Derive from this class, if you are only interested in updating the selection on mouse movements.
* For the case, that you will also need to select the cell, where the mouse press occurred, derive
* from SelectionStrategy.
*
* \see SelectionStrategy
*/
class AbstractSelectionStrategy : public KoInteractionStrategy
{
public:
/**
* Constructor.
*/
AbstractSelectionStrategy(CellToolBase *cellTool, const QPointF &position, Qt::KeyboardModifiers modifiers);
/**
* Destructor.
*/
~AbstractSelectionStrategy() override;
void handleMouseMove(const QPointF& mouseLocation, Qt::KeyboardModifiers modifiers) override;
KUndo2Command* createCommand() override;
void finishInteraction(Qt::KeyboardModifiers modifiers) override;
/**
* Checks, if there is a size grip for the (normal) selection at
* \p position.
* \param canvas the canvas
* \param selection the selection
* \param position the document coordinate (relative to the shape's origin)
* to check
* \return \c true if there is a size grip; \c false otherwise.
*/
static bool hitTestSelectionSizeGrip(KoCanvasBase *canvas, Selection *selection,
const QPointF &position);
/**
* Checks, if there is a size grip for the reference selection at
* \p position.
* \param canvas the canvas
* \param selection the selection
* \param position the document coordinate (relative to the shape's origin)
* to check
* \return \c true if there is a size grip; \c false otherwise.
*/
static bool hitTestReferenceSizeGrip(KoCanvasBase *canvas, Selection *selection,
const QPointF &position);
protected:
CellToolBase *cellTool() const;
Selection* selection() const;
const QPointF& startPosition() const;
private:
class Private;
Private * const d;
};
} // namespace Sheets
} // namespace Calligra
#endif // CALLIGRA_SHEETS_ABSTRACT_SELECTION_STRATEGY
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