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void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
DDX_Control(pDX,IDC_STATIC_SDU,ctlSDU);
DDX_Control(pDX,IDC_STATIC_YJM,ctlYJM);
DDX_Control(pDX, IDC_WWW, m_www);
//}}AFX_DATA_MAP
}
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
CUrlLink ctlSDU;
CUrlLink ctlYJM;
CUrlLink m_www;
//}}AFX_DATA
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BOOL CAboutDlg::OnInitDialog()
{
CDialog::OnInitDialog();
ctlSDU.SetURL("http://www.sdu1.edu.cn");
ctlYJM.SetURL("mailto:jmye1@sohu.com");
m_www.SetURL("http://www.163.com");
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
===========================
// UrlLink.cpp : implementation file
//
#include "stdafx.h"
#include "UrlLink.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define TOOLTIP_ID 1
/////////////////////////////////////////////////////////////////////////////
// CUrlLink
CUrlLink::CUrlLink()
{
m_hLinkCursor = NULL; // No cursor as yet
m_crLinkColour = RGB( 0, 255, 0); // Blue
m_crVisitedColour = RGB( 255, 255, 0); // Purple
m_crHoverColour = ::GetSysColor(COLOR_HIGHLIGHT);
m_bOverControl = FALSE; // Cursor not yet over control
m_bVisited = FALSE; // Hasn't been visited yet.
m_bUnderline = FALSE; // Underline the link?
m_bAdjustToFit = TRUE; // Resize the window to fit the text?
m_strURL.Empty();
}
CUrlLink::~CUrlLink()
{
m_Font.DeleteObject();
}
BEGIN_MESSAGE_MAP(CUrlLink, CStatic)
//{{AFX_MSG_MAP(CUrlLink)
ON_WM_CTLCOLOR_REFLECT()
ON_WM_SETCURSOR()
ON_WM_MOUSEMOVE()
ON_CONTROL_REFLECT(BN_CLICKED, OnClicked)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CUrlLink message handlers
void CUrlLink::SetURL(CString strURL)
{
m_strURL = strURL;
if (::IsWindow(GetSafeHwnd())) {
PositionWindow();
m_ToolTip.UpdateTipText(strURL, this, TOOLTIP_ID);
}
//美女 淑女
}
CString CUrlLink::GetURL() const
{
return m_strURL;
}
void CUrlLink::SetColours(COLORREF crLinkColour, COLORREF crVisitedColour,
COLORREF crHoverColour)
{
m_crLinkColour = crLinkColour;
m_crVisitedColour = crVisitedColour;
if (crHoverColour == -1)
m_crHoverColour = ::GetSysColor(COLOR_HIGHLIGHT);
else
m_crHoverColour = crHoverColour;
if (::IsWindow(m_hWnd))
Invalidate();
}
COLORREF CUrlLink::GetLinkColour() const
{
return m_crLinkColour;
}
COLORREF CUrlLink::GetVisitedColour() const
{
return m_crVisitedColour;
}
COLORREF CUrlLink::GetHoverColour() const
{
return m_crHoverColour;
}
void CUrlLink::SetVisited(BOOL bVisited)
{
m_bVisited = bVisited;
if (::IsWindow(GetSafeHwnd()))
Invalidate();
}
BOOL CUrlLink::GetVisited() const
{
return m_bVisited;
}
void CUrlLink::SetLinkCursor(HCURSOR hCursor)
{
m_hLinkCursor = hCursor;
if (m_hLinkCursor == NULL)
SetDefaultCursor(); // create hand shape cursor
}
HCURSOR CUrlLink::GetLinkCursor() const
{
return m_hLinkCursor;
}
void CUrlLink::SetUnderline(BOOL bUnderline)
{
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 CUrlLink::GetUnderline() const
{
return m_bUnderline;
}
void CUrlLink::SetAutoSize(BOOL bAutoSize)
{
m_bAdjustToFit = bAutoSize;
if (::IsWindow(GetSafeHwnd()))
PositionWindow();
}
BOOL CUrlLink::GetAutoSize() const
{
return m_bAdjustToFit;
}
BOOL CUrlLink::PreTranslateMessage(MSG* pMsg)
{
m_ToolTip.RelayEvent(pMsg);
return CStatic::PreTranslateMessage(pMsg);
}
void CUrlLink::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();
}
HINSTANCE CUrlLink::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;
}
void CUrlLink::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);
}
LONG CUrlLink::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 CUrlLink::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);
}
// Get the hand cursor from resource in .exe file
void CUrlLink::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);
}
}
HBRUSH CUrlLink::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);
}
BOOL CUrlLink::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
{
if (m_hLinkCursor)
{
::SetCursor(m_hLinkCursor);
return TRUE;
}
return FALSE;
}
void CUrlLink::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();
}
}
void CUrlLink::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
}