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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 INCLUDED_SW_SOURCE_CORE_CRSR_BLOCKCURSOR_HXX
#define INCLUDED_SW_SOURCE_CORE_CRSR_BLOCKCURSOR_HXX
#include <optional>
#include <tools/gen.hxx>
#include <viscrs.hxx>
class SwCursorShell;
struct SwPosition;
/** Access to the block cursor
A block cursor contains a SwShellCursor and additional information about
the rectangle which has been created by pressing the mouse button and
moving the mouse.
It's simply an aggregation of a SwShellCursor and a rectangle defined by
a start and an end point.
*/
class SwBlockCursor
{
SwShellCursor maCursor;
std::optional<Point> maStartPt;
std::optional<Point> maEndPt;
public:
SwBlockCursor( const SwCursorShell& rCursorSh, const SwPosition &rPos ) :
maCursor( rCursorSh, rPos ) {}
/** Access to the shell cursor
@return SwShellCursor& which represents the start and end position of the
current block selection
*/
SwShellCursor& getShellCursor();
/** 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)
*/
void setStartPoint( const Point &rPt ) { maStartPt = rPt; }
/** 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)
*/
void setEndPoint( const Point &rPt ) { maEndPt = rPt; }
/** The document coordinates where the block selection has been started
@return 0, if no start point has been set
*/
std::optional<Point> const & getStartPoint() const { return maStartPt; }
/** The document coordinates where the block selection ends (at the moment)
@return 0, if no end point has been set
*/
std::optional<Point> const & getEndPoint() const { return maEndPt; }
/** 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 obsolete and has to be deleted.
*/
void clearPoints() { maStartPt.reset(); maEndPt.reset(); }
~SwBlockCursor();
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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