/**
 * @file XTPTrackHeader.h
 *
 * @copyright
 * (c) 1998-2025 Codejock Software, All Rights Reserved.
 *
 * This source file is the property of Codejock Software and must not be
 * redistributed by any means without the explicit written permission of
 * Codejock Software.
 *
 * The use of this source code is governed by the terms and conditions specified
 * in the Toolkit Pro license agreement. Codejock Software grants you, as a
 * single software developer, the limited right to use this software on one
 * computer only.
 *
 * Contact Information:
 * support@codejock.com
 * http://www.codejock.com
 *
 */

/** @cond */
#if !defined(__XTPTRACKEADER_H__)
#	define __XTPTRACKEADER_H__
/** @endcond */

#	if _MSC_VER > 1000
#		pragma once
#	endif // _MSC_VER > 1000

#	include "Common/Base/Diagnostic/XTPDisableNoisyWarnings.h"

/**
 * @brief
 * This class represents a track control header.
 */
class _XTP_EXT_CLASS CXTPTrackHeader : public CXTPGridHeader
{
public:
	/**
	 * @brief
	 * Creates a CXTPTrackHeader object.
	 * @param pControl Pointer to the Grid control.
	 * @param pColumns Pointer to the grid columns.
	 */
	CXTPTrackHeader(CXTPGridControl* pControl, CXTPGridColumns* pColumns);

	/**
	 * @brief
	 * CXTPTrackHeader default destructor.
	 */
	~CXTPTrackHeader();

public:
	/**
	 * @brief
	 * Call this function to draw the block.
	 * @param pDC         Pointer to the device context.
	 * @param rcHeader    Header rectangle.
	 * @param nLeftOffset Left offset.
	 */
	void Draw(CDC* pDC, CRect rcHeader, int nLeftOffset);

	/**
	 * @brief
	 * This function is called when the left mouse button is clicked on the header.
	 * @param ptClick Point where the mouse event occurred.
	 */
	void OnLButtonDown(CPoint ptClick);

	/**
	 * @brief
	 * This function is called when the mouse is moved over the header.
	 * @param nFlags State of mouse buttons, while the mouse is moved.
	 * @param point  Point where the mouse event occurred.
	 */
	void OnMouseMove(UINT nFlags, CPoint point);

	/**
	 * @brief
	 * This function is called when the scrollbar is about to be resized/dragged.
	 * @param bResize TRUE if the scrollbar is about to be resized,
	 * FALSE if the scrollbar is about to be dragged.
	 */
	void StartDragScrollBar(BOOL bResize);

	/**
	 * @brief
	 * This function is called when the slider is about to be resized/dragged.
	 * @param bResize TRUE if the slider is about to be resized,
	 * FALSE if the slider is about to be dragged.
	 */
	void StartDragSlider(BOOL bResize);

	/**
	 * @brief
	 * This function is called when the marker is about to be dragged.
	 * @param nMarkerIndex Zero-based index of the marker which is about
	 * to be dragged.
	 */
	void StartDragMarker(int nMarkerIndex);

protected:
	/**
	 * @brief
	 * Call this function to resize/move the slider.
	 * @param pt      New position for the slider.
	 * @param bResize TRUE if the slider is resizing,
	 * FALSE if the slider is moving.
	 */
	void OnMoveSlider(CPoint pt, BOOL bResize);

	/**
	 * @brief
	 * Call this function to move the marker.
	 * @param pt           New position for the marker.
	 * @param nMarkerIndex Zero-based index of the marker which is moving.
	 */
	void OnMoveMarker(CPoint pt, int nMarkerIndex);

	/**
	 * @brief
	 * Call this function to resize/move the scrollbar.
	 * @param pt      New position for the scrollbar.
	 * @param bResize TRUE if the scrollbar is resizing,
	 * FALSE if the scrollbar is moving.
	 */
	void OnMoveScrollBar(CPoint pt, BOOL bResize);

protected:
	CPoint m_ptStartDrag;  /**< The drag start point. */
	int m_nOldWorkAreaMin; /**< The old work area minimum value. */
	int m_nOldWorkAreaMax; /**< The old work area maximum value. */
	int m_nOldViewPortMin; /**< The old view port minimum value. */
	int m_nOldViewPortMax; /**< The old view port maximum value. */

	int m_nOldMarkerPos; /**< The old marker position. */
};
/** @cond */
#	include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h"
#endif //#if !defined(__XTPTRACKEADER_H__)
	   /** @endcond */