添加超链接
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=======添加超链接==========
建一个static text控件;其中要使用到HyperLink.h HyperLink.cpp文件
创建变量
class CAboutDlg : public CDialogEx
{
public:
CAboutDlg();
// 对话框数据
enum { IDD = IDD_ABOUTBOX };
CHyperLink m_Mail; //超链接形式显示EMAIL变量
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
virtual BOOL OnInitDialog();
// 实现
protected:
DECLARE_MESSAGE_MAP()
public:
afx_msg void OnBnClickedOk();
};
绑定变量和控件
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
DDX_Control(pDX, IDC_STATIC_MAIL, m_Mail);
}
通过变量超链接
BOOL CAboutDlg::OnInitDialog()
{
CDialog::OnInitDialog();
//加入EMAIL的超连接
m_Mail.SetURL(_T("www.baidu.com"));
m_Mail.SetUnderline(FALSE);
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
HyperLink.h
<span style="font-size:14px;">////////////////////////////////////////类名:CHyperLink//功能:建立电子邮件和网址的超链连郊果//修改人:徐景周(jingzhou_xu@163.net)//组织:未来工作室(Future Studio)//日期:2000.10///////////////////////////////////////#if !defined(AFX_HYPERLINK_H__D1625061_574B_11D1_ABBA_00A0243D1382__INCLUDED_)#define AFX_HYPERLINK_H__D1625061_574B_11D1_ABBA_00A0243D1382__INCLUDED_#if _MSC_VER >= 1000#pragma once#endif // _MSC_VER >= 1000/////////////////////////////////////////////////////////////////////////////// CHyperLink windowclass CHyperLink : public CStatic{// Construction/destructionpublic: CHyperLink(); virtual ~CHyperLink();// Attributespublic:// Operationspublic: void SetURL(CString strURL); CString GetURL() const; void SetColours(COLORREF crLinkColour, COLORREF crVisitedColour, COLORREF crHoverColour = -1); COLORREF GetLinkColour() const; COLORREF GetVisitedColour() const; COLORREF GetHoverColour() const; void SetVisited(BOOL bVisited = TRUE); BOOL GetVisited() const; void SetLinkCursor(HCURSOR hCursor); HCURSOR GetLinkCursor() const; void SetUnderline(BOOL bUnderline = TRUE); BOOL GetUnderline() const; void SetAutoSize(BOOL bAutoSize = TRUE); BOOL GetAutoSize() const;HINSTANCE GotoURL(LPCTSTR url, int showcmd);// Overrides // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CHyperLink) public: virtual BOOL PreTranslateMessage(MSG* pMsg); protected: virtual void PreSubclassWindow(); //}}AFX_VIRTUAL// Implementationprotected: void ReportError(int nError); LONG GetRegKey(HKEY key, LPCTSTR subkey, LPTSTR retdata); void PositionWindow(); void SetDefaultCursor();// Protected attributesprotected: COLORREF m_crLinkColour, m_crVisitedColour; // Hyperlink colours COLORREF m_crHoverColour; // Hover colour BOOL m_bOverControl; // cursor over control? BOOL m_bVisited; // Has it been visited? BOOL m_bUnderline; // underline hyperlink? BOOL m_bAdjustToFit; // Adjust window size to fit text? CString m_strURL; // hyperlink URL CFont m_Font; // Underline font if necessary HCURSOR m_hLinkCursor; // Cursor for hyperlink CToolTipCtrl m_ToolTip; // The tooltip // Generated message map functionsprotected: //{{AFX_MSG(CHyperLink) 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 afx_msg void OnClicked(); DECLARE_MESSAGE_MAP()};///////////////////////////////////////////////////////////////////////////////{{AFX_INSERT_LOCATION}}// Microsoft Developer Studio will insert additional declarations immediately before the previous line.#endif // !defined(AFX_HYPERLINK_H__D1625061_574B_11D1_ABBA_00A0243D1382__INCLUDED_)</span>
HyperLink.cpp
<span style="font-size:14px;">////////////////////////////////////////类名:CHyperLink//功能:建立电子邮件和网址的超链连郊果//修改人:徐景周(jingzhou_xu@163.net)//组织:未来工作室(Future Studio)//日期:2000.10///////////////////////////////////////#include "stdafx.h"#include "HyperLink.h"#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif#define TOOLTIP_ID 1/////////////////////////////////////////////////////////////////////////////// CHyperLinkCHyperLink::CHyperLink(){ m_hLinkCursor = NULL; // No cursor as yet m_crLinkColour = RGB( 0, 0, 238); // Blue m_crVisitedColour = RGB( 85, 26, 139); // Purple m_crHoverColour = ::GetSysColor(COLOR_HIGHLIGHT); m_bOverControl = FALSE; // Cursor not yet over control m_bVisited = FALSE; // Hasn't been visited yet. m_bUnderline = TRUE; // Underline the link? m_bAdjustToFit = TRUE; // Resize the window to fit the text? m_strURL.Empty();}CHyperLink::~CHyperLink(){ m_Font.DeleteObject();}BEGIN_MESSAGE_MAP(CHyperLink, CStatic) //{{AFX_MSG_MAP(CHyperLink) ON_CONTROL_REFLECT(STN_CLICKED, OnClicked) ON_WM_CTLCOLOR_REFLECT() ON_WM_SETCURSOR() ON_WM_MOUSEMOVE() //}}AFX_MSG_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CHyperLink message handlersBOOL CHyperLink::PreTranslateMessage(MSG* pMsg) { m_ToolTip.RelayEvent(pMsg); return CStatic::PreTranslateMessage(pMsg);}void CHyperLink::OnClicked(){ int result = (int)GotoURL(m_strURL, SW_SHOW); m_bVisited = (result > HINSTANCE_ERROR); if (!m_bVisited) { MessageBeep(MB_ICONEXCLAMATION); // Unable to follow link ReportError(result); } else SetVisited(); // Repaint to show visited colour}HBRUSH CHyperLink::CtlColor(CDC* pDC, UINT nCtlColor) { ASSERT(nCtlColor == CTLCOLOR_STATIC); if (m_bOverControl) pDC->SetTextColor(m_crHoverColour); else if (m_bVisited) pDC->SetTextColor(m_crVisitedColour); else pDC->SetTextColor(m_crLinkColour); // transparent text. pDC->SetBkMode(TRANSPARENT); return (HBRUSH)GetStockObject(NULL_BRUSH);}void CHyperLink::OnMouseMove(UINT nFlags, CPoint point) { CStatic::OnMouseMove(nFlags, point); if (m_bOverControl) // Cursor is currently over control { CRect rect; GetClientRect(rect); if (!rect.PtInRect(point)) { m_bOverControl = FALSE; ReleaseCapture(); RedrawWindow(); return; } } else // Cursor has just moved over control { m_bOverControl = TRUE; RedrawWindow(); SetCapture(); }}BOOL CHyperLink::OnSetCursor(CWnd* /*pWnd*/, UINT /*nHitTest*/, UINT /*message*/) { if (m_hLinkCursor) { ::SetCursor(m_hLinkCursor); return TRUE; } return FALSE;}void CHyperLink::PreSubclassWindow() { // We want to get mouse clicks via STN_CLICKED DWORD dwStyle = GetStyle(); ::SetWindowLong(GetSafeHwnd(), GWL_STYLE, dwStyle | SS_NOTIFY); // Set the URL as the window text if (m_strURL.IsEmpty()) GetWindowText(m_strURL); // Check that the window text isn't empty. If it is, set it as the URL. CString strWndText; GetWindowText(strWndText); if (strWndText.IsEmpty()) { ASSERT(!m_strURL.IsEmpty()); // Window and URL both NULL. DUH! SetWindowText(m_strURL); } // Create the font LOGFONT lf; GetFont()->GetLogFont(&lf); lf.lfUnderline = m_bUnderline; m_Font.CreateFontIndirect(&lf); SetFont(&m_Font); PositionWindow(); // Adjust size of window to fit URL if necessary SetDefaultCursor(); // Try and load up a "hand" cursor // Create the tooltip CRect rect; GetClientRect(rect); m_ToolTip.Create(this); m_ToolTip.AddTool(this, m_strURL, rect, TOOLTIP_ID); CStatic::PreSubclassWindow();}/////////////////////////////////////////////////////////////////////////////// CHyperLink operationsvoid CHyperLink::SetURL(CString strURL){ m_strURL = strURL; if (::IsWindow(GetSafeHwnd())) { PositionWindow(); m_ToolTip.UpdateTipText(strURL, this, TOOLTIP_ID); }}CString CHyperLink::GetURL() const{ return m_strURL; }void CHyperLink::SetColours(COLORREF crLinkColour, COLORREF crVisitedColour, COLORREF crHoverColour /* = -1 */) { m_crLinkColour = crLinkColour; m_crVisitedColour = crVisitedColour;if (crHoverColour == -1)m_crHoverColour = ::GetSysColor(COLOR_HIGHLIGHT);elsem_crHoverColour = crHoverColour; if (::IsWindow(m_hWnd)) Invalidate(); }COLORREF CHyperLink::GetLinkColour() const{ return m_crLinkColour; }COLORREF CHyperLink::GetVisitedColour() const{ return m_crVisitedColour; }COLORREF CHyperLink::GetHoverColour() const{ return m_crHoverColour;}void CHyperLink::SetVisited(BOOL bVisited /* = TRUE */) { m_bVisited = bVisited; if (::IsWindow(GetSafeHwnd())) Invalidate(); }BOOL CHyperLink::GetVisited() const{ return m_bVisited; }void CHyperLink::SetLinkCursor(HCURSOR hCursor){ m_hLinkCursor = hCursor; if (m_hLinkCursor == NULL) SetDefaultCursor();}HCURSOR CHyperLink::GetLinkCursor() const{ return m_hLinkCursor;}void CHyperLink::SetUnderline(BOOL bUnderline /* = TRUE */){ m_bUnderline = bUnderline; if (::IsWindow(GetSafeHwnd())) { LOGFONT lf; GetFont()->GetLogFont(&lf); lf.lfUnderline = m_bUnderline; m_Font.DeleteObject(); m_Font.CreateFontIndirect(&lf); SetFont(&m_Font); Invalidate(); }}BOOL CHyperLink::GetUnderline() const{ return m_bUnderline; }void CHyperLink::SetAutoSize(BOOL bAutoSize /* = TRUE */){ m_bAdjustToFit = bAutoSize; if (::IsWindow(GetSafeHwnd())) PositionWindow();}BOOL CHyperLink::GetAutoSize() const{ return m_bAdjustToFit; }// Move and resize the window so that the window is the same size// as the hyperlink text. This stops the hyperlink cursor being active// when it is not directly over the text. If the text is left justified// then the window is merely shrunk, but if it is centred or right// justified then the window will have to be moved as well.//// Suggested by P錶 K. T鴑der void CHyperLink::PositionWindow(){ if (!::IsWindow(GetSafeHwnd()) || !m_bAdjustToFit) return; // Get the current window position CRect rect; GetWindowRect(rect); CWnd* pParent = GetParent(); if (pParent) pParent->ScreenToClient(rect); // Get the size of the window text CString strWndText; GetWindowText(strWndText); CDC* pDC = GetDC(); CFont* pOldFont = pDC->SelectObject(&m_Font); CSize Extent = pDC->GetTextExtent(strWndText); pDC->SelectObject(pOldFont); ReleaseDC(pDC); // Get the text justification via the window style DWORD dwStyle = GetStyle(); // Recalc the window size and position based on the text justification if (dwStyle & SS_CENTERIMAGE) rect.DeflateRect(0, (rect.Height() - Extent.cy)/2); else rect.bottom = rect.top + Extent.cy; if (dwStyle & SS_CENTER) rect.DeflateRect((rect.Width() - Extent.cx)/2, 0); else if (dwStyle & SS_RIGHT) rect.left = rect.right - Extent.cx; else // SS_LEFT = 0, so we can't test for it explicitly rect.right = rect.left + Extent.cx; // Move the window SetWindowPos(NULL, rect.left, rect.top, rect.Width(), rect.Height(), SWP_NOZORDER);}/////////////////////////////////////////////////////////////////////////////// CHyperLink implementation// The following appeared in Paul DiLascia's Jan 1998 MSJ articles.// It loads a "hand" cursor from the winhlp32.exe modulevoid CHyperLink::SetDefaultCursor(){ if (m_hLinkCursor == NULL) // No cursor handle - load our own { // Get the windows directory CString strWndDir; GetWindowsDirectory(strWndDir.GetBuffer(MAX_PATH), MAX_PATH); strWndDir.ReleaseBuffer(); strWndDir += _T("\\winhlp32.exe"); // This retrieves cursor #106 from winhlp32.exe, which is a hand pointer HMODULE hModule = LoadLibrary(strWndDir); if (hModule) { HCURSOR hHandCursor = ::LoadCursor(hModule, MAKEINTRESOURCE(106)); if (hHandCursor) m_hLinkCursor = CopyCursor(hHandCursor); } FreeLibrary(hModule); }}LONG CHyperLink::GetRegKey(HKEY key, LPCTSTR subkey, LPTSTR retdata){ HKEY hkey; LONG retval = RegOpenKeyEx(key, subkey, 0, KEY_QUERY_VALUE, &hkey); if (retval == ERROR_SUCCESS) { long datasize = MAX_PATH; TCHAR data[MAX_PATH]; RegQueryValue(hkey, NULL, data, &datasize); lstrcpy(retdata,data); RegCloseKey(hkey); } return retval;}void CHyperLink::ReportError(int nError){ CString str; switch (nError) { case 0: str = "The operating system is out\nof memory or resources."; break; case SE_ERR_PNF: str = "The specified path was not found."; break; case SE_ERR_FNF: str = "The specified file was not found."; break; case ERROR_BAD_FORMAT: str = "The .EXE file is invalid\n(non-Win32 .EXE or error in .EXE image)."; break; case SE_ERR_ACCESSDENIED: str = "The operating system denied\naccess to the specified file."; break; case SE_ERR_ASSOCINCOMPLETE: str = "The filename association is\nincomplete or invalid."; break; case SE_ERR_DDEBUSY: str = "The DDE transaction could not\nbe completed because other DDE transactions\nwere being processed."; break; case SE_ERR_DDEFAIL: str = "The DDE transaction failed."; break; case SE_ERR_DDETIMEOUT: str = "The DDE transaction could not\nbe completed because the request timed out."; break; case SE_ERR_DLLNOTFOUND: str = "The specified dynamic-link library was not found."; break; case SE_ERR_NOASSOC: str = "There is no application associated\nwith the given filename extension."; break; case SE_ERR_OOM: str = "There was not enough memory to complete the operation."; break; case SE_ERR_SHARE: str = "A sharing violation occurred. "; default: str.Format("Unknown Error (%d) occurred.", nError); break; } str = "Unable to open hyperlink:\n\n" + str; AfxMessageBox(str, MB_ICONEXCLAMATION | MB_OK);}HINSTANCE CHyperLink::GotoURL(LPCTSTR url, int showcmd){ TCHAR key[MAX_PATH + MAX_PATH]; // First try ShellExecute() HINSTANCE result = ShellExecute(NULL, _T("open"), url, NULL,NULL, showcmd); // If it failed, get the .htm regkey and lookup the program if ((UINT)result <= HINSTANCE_ERROR) { if (GetRegKey(HKEY_CLASSES_ROOT, _T(".htm"), key) == ERROR_SUCCESS) { lstrcat(key, _T("\\shell\\open\\command")); if (GetRegKey(HKEY_CLASSES_ROOT,key,key) == ERROR_SUCCESS) { TCHAR *pos; pos = _tcsstr(key, _T("\"%1\"")); if (pos == NULL) { // No quotes found pos = strstr(key, _T("%1")); // Check for %1, without quotes if (pos == NULL) // No parameter at all... pos = key+lstrlen(key)-1; else *pos = '\0'; // Remove the parameter } else *pos = '\0'; // Remove the parameter lstrcat(pos, _T(" ")); lstrcat(pos, url); result = (HINSTANCE) WinExec(key,showcmd); } } } return result;}</span>
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