crosshair.h

// Name:    crosshair.h
// Purpose: Crosshair decration
// Author:  Moskvichev Andrey V.
// Created: 14.04.2010
// Copyright:   (c) 2010 Moskvichev Andrey V.
// Licence: wxWidgets licence


#ifndef CROSSHAIR_H_
#define CROSSHAIR_H_

#include <wx/wxfreechartdefs.h>
#include <wx/chartpanel.h>

enum {
    wxCrosshairMoving = 1,
    wxCrosshairOnClick,
    wxCrosshairFixed,
};

class WXDLLIMPEXP_FREECHART Crosshair : public ChartPanelObserver
{
public:
    Crosshair(int style, wxPen *pen = (wxPen *) wxBLACK_PEN);
    virtual ~Crosshair();

    void Draw(wxDC &dc, wxRect rcData);

    void SetHorizontalValueEnabled(int index, bool enabled = true);

    void SetVerticalValueEnabled(int index, bool enabled = true);

    void SetPoint(double x, double y);

    void SetHandleMouseEvents(bool handleMouseEvents);

    void SetHorizontalAxisBg(int index, AreaDraw *bg);

    void SetVerticalAxisBg(int index, AreaDraw *bg);

    //
    // ChartPanelObserver
    //
    virtual void ChartMouseDown(wxPoint &pt, int key);
    virtual void ChartMouseUp(wxPoint &pt, int key);
    virtual void ChartMouseMove(wxPoint &pt);

private:
    int m_style;
    wxPen m_pen;

    AreaDrawCollection m_horizontalAxesBg;
    AreaDrawCollection m_verticalAxesBg;
};

#endif /* CROSSHAIR_H_ */