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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef IBLOCKCURSOR_HXX_INCLUDED
#define IBLOCKCURSOR_HXX_INCLUDED
class SwShellCrsr;
class Point;
/** Access to the block cursor
A block cursor contains a SwShellCrsr and additional information about
the rectangle which has been created by pressing the mouse button and
moving the mouse.
This interface provides access to the SwShellCrsr and to start and end
point of the mouse movement.
*/
class IBlockCursor
{
public:
/** Access to the shell cursor
@return SwShellCrsr& which represents the start and end position of the
current block selection
*/
virtual SwShellCrsr& getShellCrsr() = 0;
/** Defines the starting vertex of the block selection
@param rPt
rPt should contain the document coordinates of the mouse cursor when
the block selection starts (MouseButtonDown)
*/
virtual void setStartPoint( const Point &rPt ) = 0;
/** Defines the ending vertex of the block selection
@param rPt
rPt should contain the document coordinates of the mouse cursor when
the block selection has started and the mouse has been moved (MouseMove)
*/
virtual void setEndPoint( const Point &rPt ) = 0;
/** The document coordinates where the block selection has been started
@return 0, if no start point has been set
*/
virtual const Point* getStartPoint() const = 0;
/** The document coordinates where the block selection ends (at the moment)
@return 0, if no end point has been set
*/
virtual const Point* getEndPoint() const = 0;
/** Deletion of the mouse created rectangle
When start and end points exist, the block cursor depends on this. If the
cursor is moved by cursor keys (e.g. up/down, home/end) the mouse rectangle
is obsolet and has to be deleted.
*/
virtual void clearPoints() = 0;
/** Destructor of the block curosr interface
*/
virtual ~IBlockCursor() {};
};
#endif // IBLOCKCURSOR_HXX_INCLUDED
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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