XColorPickerXP - an MFC color picker control with themed look

// XColorPopupXP.h : header file
//
// Written by Chris Maunder (chrismaunder@codeguru.com)
// Extended by Alexander Bischofberger (bischofb@informatik.tu-muenchen.de)
// Copyright (c) 1998.
//
// This code may be used in compiled form in any way you desire. This
// file may be redistributed unmodified by any means PROVIDING it is
// not sold for profit without the authors written consent, and
// providing that this notice and the authors name is included. If
// the source code in  this file is used in any commercial application
// then a simple email would be nice.
//
// This file is provided "as is" with no expressed or implied warranty.
// The author accepts no liability if it causes any damage whatsoever.
// It's free - so you get what you pay for.


#ifndef XCOLORPOPUPXP_H
#define XCOLORPOPUPXP_H

// CXColorPopupXP messages
#define CPN_SELCHANGE		WM_USER + 1001		// Color Picker Selection change
#define CPN_DROPDOWN		WM_USER + 1002		// Color Picker drop down
#define CPN_CLOSEUP			WM_USER + 1003		// Color Picker close up
#define CPN_SELENDOK		WM_USER + 1004		// Color Picker end OK
#define CPN_SELENDCANCEL	WM_USER + 1005		// Color Picker end (cancelled)

// To hold the colors and their names
struct ColorTableEntry
{
	COLORREF	crColor;
	TCHAR *		pszName;
	int			nSystemColor;
};


//=============================================================================
class CXColorPopupXP : public CWnd
//=============================================================================
{
// Construction
public:
	CXColorPopupXP(CWnd * pParentWnd = NULL,
				  CPoint point = CPoint(0,0),
				  COLORREF crColor = RGB(255,255,255),
				  COLORREF * pCustomColors = NULL,
				  BOOL bIgnoreLButtonUp = TRUE,
				  int nSelectedRow = -1,
				  int nSelectedCol = -1,
				  LPCTSTR szCustomText = NULL);

	virtual ~CXColorPopupXP();

// Attributes
public:

// Operations
public:
	BOOL Create(CPoint p, COLORREF crColor, CWnd * pParentWnd,
		LPCTSTR szCustomText = NULL);

	// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CXColorPopupXP)
public:
	virtual BOOL PreTranslateMessage(MSG * pMsg);
	//}}AFX_VIRTUAL

// Implementation
protected:
	void Init();
	BOOL GetCellRect(int row, int col, const LPRECT & rect);
	void SetWindowSize();
	void CreateToolTips();
	void ChangeSelection(int row, int col);
	void EndSelection(int nMessage);
	void DrawCell(CDC * pDC, int row, int col);
	COLORREF GetColor(int row, int col)
	{
		return (0x00FFFFFF & m_crColors[row * m_nNumColumns + col].crColor);
	}
	void SetColor(int row, int col, COLORREF rgb)
	{
		m_crColors[row * m_nNumColumns + col].crColor = rgb;
	}
	LPCTSTR GetColorName(int row, int col)
	{
		return m_crColors[row * m_nNumColumns + col].pszName;
	}

	// protected attributes
protected:
	static ColorTableEntry	m_crColors[];
	COLORREF *			m_pCustomColors;
	int					m_nNumColors;
	int					m_nNumColumns, m_nNumRows;
	int					m_nBoxSize, m_nMargin;
	int					m_nCurrentRow, m_nCurrentCol;
	int					m_nSelectedRow, m_nSelectedCol;
	BOOL				m_bShowCustom;
	CString				m_strCustomText;
	CRect				m_TextRect, m_WindowRect, m_DividerRect;
	CFont				m_Font;
	COLORREF			m_crInitialColor, m_crColor;
	CToolTipCtrl		m_ToolTip;
	CWnd *				m_pParent;
	BOOL				m_bFirstTime;
	BOOL				m_bIgnoreLButtonUp;
	BOOL				m_bColorDialogIsDisplayed;

	// Generated message map functions
protected:
	//{{AFX_MSG(CXColorPopupXP)
	afx_msg void OnNcDestroy();
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnPaint();
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnSysChar(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnTimer(UINT nIDEvent);
	afx_msg void OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimized);
	afx_msg void OnKillFocus(CWnd* pNewWnd);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.

#endif //XCOLORPOPUPXP_H