/**
 * @file XTPPreviewView.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(__XTPPREVIEWVIEW_H__)
#	define __XTPPREVIEWVIEW_H__
/** @endcond */

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

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

/////////////////////////////////////////////////////////////////////////////
// CXTPPreviewView view

#	define XTP_ZOOM_WHOLEPAGE 0 /**< Fit the entire preview page on the screen.*/
#	define XTP_ZOOM_PAGEWIDTH 1 /**< Fit the preview page to the width of the screen.*/

/**
 * @brief
 * CXTPPreviewView is a CPreviewView derived class that represents a
 * print preview window with a themed toolBar.
 */
class _XTP_EXT_CLASS CXTPPreviewView : public CPreviewView
{
	/** @cond */
	DECLARE_DYNCREATE(CXTPPreviewView)
	/** @endcond */
protected:
	/**
	 * @brief
	 * Constructs a CXTPPreviewView object.
	 * @param nPageCount Number of pages to be displayed in print preview mode.
	 * You must increase the page count to make sure there is
	 * an entry available for each page that can be displayed.
	 */
	CXTPPreviewView(int nPageCount = 9);

	/**
	 * @brief
	 * Destroys a CXTPPreviewView object, handles cleanup and deallocation.
	 */
	virtual ~CXTPPreviewView();

public:
	/**
	 * @brief
	 * Sets the zoom state of the preview window.
	 * @param nNewState Zoom state to use. Possible values (XTP_ZOOM_WHOLEPAGE,
	 * XTP_ZOOM_PAGEWIDTH) or you can specify an integer that
	 * represents a percentage to zoom the page.
	 * @param nPage Page number to zoom.
	 * @param point Point on page to zoom.
	 */
	void SetZoomState(UINT nNewState, UINT nPage, CPoint point);

	/**
	 * @brief
	 * Returns the current zoom state of the preview window.
	 * @return
	 * Current zoom state of the preview window.
	 */
	int GetZoomState() const;

	/**
	 * @brief
	 * Call this method to get a pointer to the toolbar of the preview window.
	 * @return
	 * Pointer to the toolbar of the preview window.
	 */
	CXTPToolBar* GetCommandBar();

	/** @cond */
private:
	CXTPControl* FindToolbarButton(UINT nCommandID);
	virtual void PositionPage(UINT nPage);
	void SetScaledSize(UINT nPage);
	void DoZoom(UINT nPage, CPoint point);
	CSize CalcPageDisplaySize();
	void SetupScrollbar();
	void ZoomIn(UINT nPage, CPoint point);

	virtual void OnActivateView(BOOL bActivate, CView* pActivateView, CView* pDeactiveView);

	/**
	 * @brief
	 * Sets the number of pages to be viewed on the screen.
	 * @param nAcross Number of pages horizontally.
	 * @param nDown Number of pages vertically.
	 */
	void SetNumPreviewPages(int nAcross, int nDown);

protected:
#	ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#	endif

	/** @endcond */

protected:
	/** @cond */

	//{{AFX_VIRTUAL(CXTPPreviewView)
public:
	void RecalLayout();
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	//}}AFX_VIRTUAL

	//{{AFX_MSG(CXTPPreviewView)
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnWindowPosChanged(WINDOWPOS FAR* lpwndpos);
	afx_msg void OnPaint();
	afx_msg BOOL OnEraseBkgnd(CDC*);
	afx_msg void OnNumPageChange();
	afx_msg void OnZoomIn();
	afx_msg void OnZoomOut();
	afx_msg void OnUpdateNumPageChange(CCmdUI* pCmdUI);
	afx_msg void OnUpdateZoomIn(CCmdUI* pCmdUI);
	afx_msg void OnUpdateZoomOut(CCmdUI* pCmdUI);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
	afx_msg void OnPreviewPages();
	afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnGotoPageSetFocus(NMHDR* pNMHDR, LRESULT* pRes);
	afx_msg void OnGotoPageKillFocus(NMHDR* pNMHDR, LRESULT* pRes);
	afx_msg void OnUpdateGotoPage(CCmdUI* pCmdUI);
	afx_msg void OnZoomCombo(NMHDR* pNMHDR, LRESULT* pRes);
	afx_msg void OnOnePage();
	afx_msg void OnTwoPage(NMHDR* pNMHDR, LRESULT* pRes);
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()

	/** @endcond */

protected:
	PAGE_INFO* m_pPageInfo2; /**< Embedded array for the default implementation - replaces MFC one
								of size 2! */

	CXTPToolBar* m_pCommandBar; /**< Pointer to the "built-in" print preview toolbar. */
	int m_cxPixelsPerInch;		/**< Width of pixels in preview mode. */
	int m_cyPixelsPerInch;		/**< Height of pixels in preview mode. */

	// these variables are used in the page layout algorithm

	int m_Across;		 /**< number across the page, >= 1 */
	int m_Down;			 /**< number down the page, >= 1 */
	CPoint m_PageOffset; /**< amount to move the page from one position to the next */

	COLORREF m_clrBackColor;
};

AFX_INLINE CXTPToolBar* CXTPPreviewView::GetCommandBar()
{
	return m_pCommandBar;
}

/** @cond */
#	include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h"
#endif // !defined(__XTPPREVIEWVIEW_H__)
/** @endcond */