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0001 /* This file is part of the KDE project 0002 Copyright 2008 Stefan Nikolaus <stefan.nikolaus@kdemail.net> 0003 0004 This library is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Library General Public 0006 License as published by the Free Software Foundation; either 0007 version 2 of the License, or (at your option) any later version. 0008 0009 This library is distributed in the hope that it will be useful, 0010 but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 Library General Public License for more details. 0013 0014 You should have received a copy of the GNU Library General Public License 0015 along with this library; see the file COPYING.LIB. If not, write to 0016 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 Boston, MA 02110-1301, USA. 0018 */ 0019 0020 #ifndef CALLIGRA_SHEETS_ABSTRACT_SELECTION_STRATEGY 0021 #define CALLIGRA_SHEETS_ABSTRACT_SELECTION_STRATEGY 0022 0023 #include <KoInteractionStrategy.h> 0024 0025 #include <Qt> 0026 0027 class KoCanvasBase; 0028 0029 namespace Calligra 0030 { 0031 namespace Sheets 0032 { 0033 class CellToolBase; 0034 class Selection; 0035 0036 /** 0037 * An abstract selection strategy. 0038 * 0039 * Derive from this class, if you are only interested in updating the selection on mouse movements. 0040 * For the case, that you will also need to select the cell, where the mouse press occurred, derive 0041 * from SelectionStrategy. 0042 * 0043 * \see SelectionStrategy 0044 */ 0045 class AbstractSelectionStrategy : public KoInteractionStrategy 0046 { 0047 public: 0048 /** 0049 * Constructor. 0050 */ 0051 AbstractSelectionStrategy(CellToolBase *cellTool, const QPointF &position, Qt::KeyboardModifiers modifiers); 0052 0053 /** 0054 * Destructor. 0055 */ 0056 ~AbstractSelectionStrategy() override; 0057 0058 void handleMouseMove(const QPointF& mouseLocation, Qt::KeyboardModifiers modifiers) override; 0059 KUndo2Command* createCommand() override; 0060 void finishInteraction(Qt::KeyboardModifiers modifiers) override; 0061 0062 /** 0063 * Checks, if there is a size grip for the (normal) selection at 0064 * \p position. 0065 * \param canvas the canvas 0066 * \param selection the selection 0067 * \param position the document coordinate (relative to the shape's origin) 0068 * to check 0069 * \return \c true if there is a size grip; \c false otherwise. 0070 */ 0071 static bool hitTestSelectionSizeGrip(KoCanvasBase *canvas, Selection *selection, 0072 const QPointF &position); 0073 0074 /** 0075 * Checks, if there is a size grip for the reference selection at 0076 * \p position. 0077 * \param canvas the canvas 0078 * \param selection the selection 0079 * \param position the document coordinate (relative to the shape's origin) 0080 * to check 0081 * \return \c true if there is a size grip; \c false otherwise. 0082 */ 0083 static bool hitTestReferenceSizeGrip(KoCanvasBase *canvas, Selection *selection, 0084 const QPointF &position); 0085 0086 protected: 0087 CellToolBase *cellTool() const; 0088 Selection* selection() const; 0089 const QPointF& startPosition() const; 0090 0091 private: 0092 class Private; 0093 Private * const d; 0094 }; 0095 0096 } // namespace Sheets 0097 } // namespace Calligra 0098 0099 #endif // CALLIGRA_SHEETS_ABSTRACT_SELECTION_STRATEGY