72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/*
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*
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* ChartCrossHairCursor.h
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*
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* Written by Cédric Moonen (cedric_moonen@hotmail.com)
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*
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*
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*
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* This code may be used for any non-commercial and commercial purposes in a compiled form.
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* The code may be redistributed as long as it remains unmodified and providing that the
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* author name and this disclaimer remain intact. The sources can be modified WITH the author
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* consent only.
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*
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* This code is provided without any garanties. I cannot be held responsible for the damage or
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* the loss of time it causes. Use it at your own risks
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*
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* An e-mail to notify me that you are using this code is appreciated also.
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*
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*
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*/
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#ifndef _CHARTCROSSHAIRCURSOR_H_
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#define _CHARTCROSSHAIRCURSOR_H_
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#include "ChartCursor.h"
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class CChartAxis;
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//! Specialization of a CChartCursor class for a cross-hair cursor.
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/**
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A cross-hair cursor is a simple cross displayed in the plotting area.
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The cursor moves along with the mouse (but stay within the bounds of
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the plot area).<br>
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To create a cross-hair cursor, call the CreateCrossHairCursor from the
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CChartCtrl class.
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**/
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class CChartCrossHairCursor : public CChartCursor
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{
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friend CChartCtrl;
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protected:
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//! Called when the mouse is moved over the plot area.
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void OnMouseMove(CPoint mousePoint);
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//! Draws the cursor.
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void Draw(CDC* pDC);
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private:
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//! Constructor
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/**
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@param pParent
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The parent charting control
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@param pHorizAxis
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The associated horizontal axis
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@param pVertAxis
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The associated vertical axis
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**/
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CChartCrossHairCursor(CChartCtrl* pParent, CChartAxis* pHorizAxis, CChartAxis* pVertAxis);
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//! Destructor
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~CChartCrossHairCursor();
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//! The associated horizontal axis
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CChartAxis* m_pHorizontalAxis;
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//! The associated vertical axis
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CChartAxis* m_pVerticalAxis;
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//! The current X screen position
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long m_lXPos;
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//! The current Y screen position
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long m_lYPos;
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};
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#endif // _CHARTCROSSHAIRCURSOR_H_
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