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XBrowseForFolder - Wrapper for SHBrowseForFolder

, 7 Mar 2008
XBrowseForFolder wraps the SHBrowseForFolder API, provides a way to specify an initial directory, and cleans up the SHBrowseForFolder dialog.
// XHyperLink.h  Version 1.0
//
// XHyperLink static control. Will open the default browser with the 
// given URL when the user clicks on the link.
//
// Copyright Chris Maunder, 1997-1999 (cmaunder@mail.com)
// Feel free to use and distribute. May not be sold for profit. 
//
// 2/29/00 -- P. Shaffer standard font mod.
//
///////////////////////////////////////////////////////////////////////////////
//
// Modified by:  Hans Dietrich
//               hdietrich@gmail.com
//
///////////////////////////////////////////////////////////////////////////////


#ifndef XHYPERLINK_H
#define XHYPERLINK_H

extern UINT WM_XHYPERLINK_CLICKED;

/////////////////////////////////////////////////////////////////////////////
// CXHyperLink window

class CXHyperLink : public CStatic
{
// Construction/destruction
public:
    CXHyperLink();
    virtual ~CXHyperLink();

public:
    enum UnderLineOptions { ulHover = -1, ulNone = 0, ulAlways = 1};

// Attributes
public:
    void SetURL(CString strURL);
	CString GetURL() const
	{ 
		return m_strURL; 
	}

	void EnableURL(BOOL bFlag) { m_bIsURLEnabled = bFlag; }
	BOOL IsURLEnabled() const { return m_bIsURLEnabled; }

    void SetColours(COLORREF crLinkColour, 
					COLORREF crVisitedColour, 
                    COLORREF crHoverColour = -1);

	COLORREF GetLinkColour() const
	{ 
		return m_crLinkColour; 
	}

	COLORREF GetVisitedColour() const
	{
		return m_crVisitedColour; 
	}

	COLORREF GetHoverColour() const
	{
		return m_crHoverColour;
	}

	void SetBackgroundColour(COLORREF crBackground);
	COLORREF GetBackgroundColour() const
	{
		return m_crBackground;
	}

    void SetVisited(BOOL bVisited = TRUE);
	BOOL GetVisited() const
	{ 
		return m_bVisited; 
	}

    void SetLinkCursor(HCURSOR hCursor);
	HCURSOR CXHyperLink::GetLinkCursor() const
	{
		return m_hLinkCursor;
	}

    void SetUnderline(int nUnderline = ulHover);
	int GetUnderline() const
	{ 
		return m_nUnderline; 
	}

    void SetAutoSize(BOOL bAutoSize = TRUE);
	BOOL GetAutoSize() const
	{ 
		return m_bAdjustToFit; 
	}

	void SetNotifyParent(BOOL bFlag) { m_bNotifyParent = bFlag; }
	BOOL GetNotifyParent() const { return m_bNotifyParent; }

	void EnableTooltip(BOOL bFlag) 
	{ 
		m_bToolTip = bFlag; 
		m_ToolTip.Activate(m_bToolTip);
	}
	BOOL IsTooltipEmabled() const 
	{ 
		return m_bToolTip; 
	}

	void SetAlwaysOpenNew(BOOL bFlag) 
	{ 
		m_bAlwaysOpenNew = bFlag; 
	}
	BOOL GetAlwaysOpenNew() const 
	{ 
		return m_bAlwaysOpenNew; 
	}

	void SetWindowText(LPCTSTR lpszString);


// Operations
public:
	static HINSTANCE GotoURL(LPCTSTR url, int showcmd,  BOOL bAlwaysOpenNew = FALSE);


// Overrides
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CXHyperLink)
public:
    virtual BOOL PreTranslateMessage(MSG* pMsg);
	virtual BOOL DestroyWindow();
protected:
    virtual void PreSubclassWindow();
	//}}AFX_VIRTUAL

// Implementation
protected:
	static LONG GetRegKey(HKEY key, LPCTSTR subkey, LPTSTR retdata);
	void NotifyParent();
	void PositionWindow();
	void ReportError(int nError);
	void SetDefaultCursor();

// Protected attributes
protected:
    COLORREF		m_crLinkColour;		// Hyperlink colours
	COLORREF		m_crVisitedColour;
    COLORREF		m_crHoverColour;	// Hover colour
	COLORREF		m_crBackground;		// background color
	CBrush			m_Brush;			// background brush
    BOOL			m_bOverControl;		// cursor over control?
    BOOL			m_bVisited;			// Has it been visited?
    int				m_nUnderline;		// underline hyperlink?
    BOOL			m_bAdjustToFit;		// Adjust window size to fit text?
    CString			m_strURL;			// hyperlink URL
    CFont			m_UnderlineFont;	// Font for underline display
    CFont			m_StdFont;			// Standard font
    HCURSOR			m_hLinkCursor;		// Cursor for hyperlink
    CToolTipCtrl	m_ToolTip;			// The tooltip
    UINT			m_nTimerID;
	BOOL			m_bIsURLEnabled;	// TRUE = navigate to url
	BOOL			m_bNotifyParent;	// TRUE = notify parent
	BOOL			m_bToolTip;			// TRUE = display tooltip
	BOOL			m_bAlwaysOpenNew;	// TRUE = always open new browser window

    // Generated message map functions
protected:
    //{{AFX_MSG(CXHyperLink)
    afx_msg HBRUSH CtlColor(CDC* pDC, UINT nCtlColor);
    afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
    afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	//}}AFX_MSG
	afx_msg void OnTimer(UINT nIDEvent);
    afx_msg void OnClicked();
    DECLARE_MESSAGE_MAP()
};

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

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

#endif //XHYPERLINK_H

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Hans Dietrich
Software Developer (Senior) Hans Dietrich Software
United States United States
I attended St. Michael's College of the University of Toronto, with the intention of becoming a priest. A friend in the University's Computer Science Department got me interested in programming, and I have been hooked ever since.
 
Recently, I have moved to Los Angeles where I am doing consulting and development work.
 
For consulting and custom software development, please see www.hdsoft.org.






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