MFC：超链接文本（重绘CStatic）
来源：互联网 发布：文件档案管理系统软件 编辑：程序博客网 时间：2024/06/05 20:26
头文件 XHyperLink.h：
#ifndef XHYPERLINK_H#define XHYPERLINK_Hextern UINT WM_XHYPERLINK_CLICKED;class CXHyperLink : public CStatic{public: CXHyperLink(); virtual ~CXHyperLink();public: enum UnderLineOptions { ulHover = -1, ulNone = 0, ulAlways = 1};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);public: static HINSTANCE GotoURL(LPCTSTR url, int showcmd, BOOL bAlwaysOpenNew = FALSE);public: virtual BOOL PreTranslateMessage(MSG* pMsg); virtual BOOL DestroyWindow();protected: virtual void PreSubclassWindow(); static LONG GetRegKey(HKEY key, LPCTSTR subkey, LPTSTR retdata); void NotifyParent(); void PositionWindow(); void ReportError(int nError); void SetDefaultCursor();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 windowprotected: 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 void OnTimer(UINT nIDEvent); afx_msg void OnClicked(); DECLARE_MESSAGE_MAP()};#endif //XHYPERLINK_H源文件 XHyperLink.cpp：
#include "stdafx.h"#include "XHyperLink.h"#include "atlconv.h" // for Unicode conversion#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif#define TOOLTIP_ID 1#ifndef IDC_HAND#define IDC_HAND MAKEINTRESOURCE(32649) // From WINUSER.H#endifUINT WM_XHYPERLINK_CLICKED = ::RegisterWindowMessage(_T("WM_XHYPERLINK_CLICKED"));BEGIN_MESSAGE_MAP(CXHyperLink, CStatic) ON_WM_CTLCOLOR_REFLECT() ON_WM_SETCURSOR() ON_WM_MOUSEMOVE() ON_WM_TIMER() ON_CONTROL_REFLECT(STN_CLICKED, OnClicked) ON_WM_ERASEBKGND()END_MESSAGE_MAP()CXHyperLink::CXHyperLink(){ m_hLinkCursor = NULL; // No cursor as yet m_crLinkColour = RGB(0,0,238); // Blue m_crVisitedColour = RGB(85,26,139); // Purple m_crHoverColour = RGB(255,0,0); // Red m_bOverControl = FALSE; // Cursor not yet over control m_bVisited = FALSE; // Hasn't been visited yet. m_nUnderline = ulHover; // Underline the link? m_bAdjustToFit = TRUE; // Resize the window to fit the text? m_strURL = _T(""); m_nTimerID = 100; m_bNotifyParent = FALSE; // TRUE = notify parent m_bIsURLEnabled = TRUE; // TRUE = navigate to url m_bToolTip = TRUE; // TRUE = display tooltip m_crBackground = (UINT) -1; // set to default (no bg color) m_bAlwaysOpenNew = FALSE; // TRUE = always open new browser window}CXHyperLink::~CXHyperLink(){ TRACE(_T("in CXHyperLink::~CXHyperLink\n")); if (m_hLinkCursor) DestroyCursor(m_hLinkCursor); m_hLinkCursor = NULL; m_UnderlineFont.DeleteObject(); if (m_Brush.GetSafeHandle()) m_Brush.DeleteObject();}BOOL CXHyperLink::DestroyWindow(){ KillTimer(m_nTimerID); return CStatic::DestroyWindow();}BOOL CXHyperLink::PreTranslateMessage(MSG* pMsg){ m_ToolTip.RelayEvent(pMsg); return CStatic::PreTranslateMessage(pMsg);}void CXHyperLink::PreSubclassWindow(){ DWORD dwStyle = GetStyle(); ::SetWindowLong(GetSafeHwnd(), GWL_STYLE, dwStyle | SS_NOTIFY); if (m_strURL.IsEmpty()) GetWindowText(m_strURL); CString strWndText; GetWindowText(strWndText); if (strWndText.IsEmpty()) { ASSERT(!m_strURL.IsEmpty()); // Window and URL both NULL. DUH! SetWindowText(m_strURL); } CFont* pFont = GetFont(); if (!pFont) { HFONT hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT); if (hFont == NULL) hFont = (HFONT) GetStockObject(ANSI_VAR_FONT); if (hFont) pFont = CFont::FromHandle(hFont); } ASSERT(pFont->GetSafeHandle()); // Create the underline font LOGFONT lf; pFont->GetLogFont(&lf); m_StdFont.CreateFontIndirect(&lf); lf.lfUnderline = (BYTE) TRUE; m_UnderlineFont.CreateFontIndirect(&lf); PositionWindow(); // Adjust size of window to fit URL if necessary SetDefaultCursor(); // Try and load up a "hand" cursor SetUnderline(); // Create the tooltip if (m_bToolTip) { CRect rect; GetClientRect(rect); m_ToolTip.Create(this); m_ToolTip.AddTool(this, m_strURL, rect, TOOLTIP_ID); } CStatic::PreSubclassWindow();}void CXHyperLink::OnClicked(){ m_bOverControl = FALSE; int result = HINSTANCE_ERROR + 1; if (m_bIsURLEnabled) { result = (int)GotoURL(m_strURL, SW_SHOW, m_bAlwaysOpenNew); } m_bVisited = (result > HINSTANCE_ERROR); if (!m_bVisited) { MessageBeep(MB_ICONEXCLAMATION); // Unable to follow link ReportError(result); } else { SetVisited(); // Repaint to show visited colour } NotifyParent();}#ifdef _DEBUGHBRUSH CXHyperLink::CtlColor(CDC* pDC, UINT nCtlColor)#elseHBRUSH CXHyperLink::CtlColor(CDC* pDC, UINT /*nCtlColor*/)#endif{ 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); if (m_Brush.GetSafeHandle()) { pDC->SetBkColor(m_crBackground); return (HBRUSH) m_Brush; } else { return (HBRUSH)GetStockObject(NULL_BRUSH); }}void CXHyperLink::OnMouseMove(UINT nFlags, CPoint point){ if (!m_bOverControl) // Cursor has just moved over control { m_bOverControl = TRUE; if (m_nUnderline == ulHover) SetFont(&m_UnderlineFont); Invalidate(); SetTimer(m_nTimerID, 100, NULL); } CStatic::OnMouseMove(nFlags, point);}void CXHyperLink::OnTimer(UINT nIDEvent){ CPoint p(GetMessagePos()); ScreenToClient(&p); CRect rect; GetClientRect(rect); if (!rect.PtInRect(p)) { m_bOverControl = FALSE; KillTimer(m_nTimerID); if (m_nUnderline != ulAlways) SetFont(&m_StdFont); rect.bottom+=10; InvalidateRect(rect); } CStatic::OnTimer(nIDEvent);}BOOL CXHyperLink::OnSetCursor(CWnd* /*pWnd*/, UINT /*nHitTest*/, UINT /*message*/){ if (m_hLinkCursor) { ::SetCursor(m_hLinkCursor); return TRUE; } return FALSE;}BOOL CXHyperLink::OnEraseBkgnd(CDC* pDC){ CRect rect; GetClientRect(rect); if (m_crBackground != (UINT)-1) pDC->FillSolidRect(rect, m_crBackground); else pDC->FillSolidRect(rect, ::GetSysColor(COLOR_3DFACE)); return TRUE;}void CXHyperLink::SetURL(CString strURL){ m_strURL = strURL; if (::IsWindow(GetSafeHwnd())) { PositionWindow(); m_ToolTip.UpdateTipText(strURL, this, TOOLTIP_ID); }}void CXHyperLink::SetColours(COLORREF crLinkColour, COLORREF crVisitedColour, COLORREF crHoverColour /* = -1 */){ m_crLinkColour = crLinkColour; m_crVisitedColour = crVisitedColour; if (crHoverColour == -1) m_crHoverColour = ::GetSysColor(COLOR_HIGHLIGHT); else m_crHoverColour = crHoverColour; if (::IsWindow(m_hWnd)) { Invalidate(); }}void CXHyperLink::SetBackgroundColour(COLORREF crBackground){ m_crBackground = crBackground; if (m_Brush.GetSafeHandle()) m_Brush.DeleteObject(); m_Brush.CreateSolidBrush(m_crBackground);}void CXHyperLink::SetVisited(BOOL bVisited /* = TRUE */){ m_bVisited = bVisited; if (::IsWindow(GetSafeHwnd())) Invalidate();}void CXHyperLink::SetLinkCursor(HCURSOR hCursor){ m_hLinkCursor = hCursor; if (m_hLinkCursor == NULL) SetDefaultCursor();}void CXHyperLink::SetUnderline(int nUnderline /*=ulHover*/){ if (m_nUnderline == nUnderline) return; if (::IsWindow(GetSafeHwnd())) { if (nUnderline == ulAlways) SetFont(&m_UnderlineFont); else SetFont(&m_StdFont); Invalidate(); } m_nUnderline = nUnderline;}void CXHyperLink::SetAutoSize(BOOL bAutoSize /* = TRUE */){ m_bAdjustToFit = bAutoSize; if (::IsWindow(GetSafeHwnd())) PositionWindow();}void CXHyperLink::SetWindowText(LPCTSTR lpszString){ ASSERT(lpszString); if (!lpszString) return; CStatic::SetWindowText(_T("")); RedrawWindow(); CStatic::SetWindowText(lpszString); PositionWindow();}void CXHyperLink::PositionWindow(){ if (!::IsWindow(GetSafeHwnd()) || !m_bAdjustToFit) return; CRect WndRect, ClientRect; GetWindowRect(WndRect); GetClientRect(ClientRect); ClientToScreen(ClientRect); CWnd* pParent = GetParent(); if (pParent) { pParent->ScreenToClient(WndRect); pParent->ScreenToClient(ClientRect); } CString strWndText; GetWindowText(strWndText); CDC* pDC = GetDC(); CFont* pOldFont = pDC->SelectObject(&m_UnderlineFont); CSize Extent = pDC->GetTextExtent(strWndText); pDC->SelectObject(pOldFont); ReleaseDC(pDC); Extent.cx += WndRect.Width() - ClientRect.Width(); Extent.cy += WndRect.Height() - ClientRect.Height(); DWORD dwStyle = GetStyle(); if (dwStyle & SS_CENTERIMAGE) WndRect.DeflateRect(0, (WndRect.Height() - Extent.cy)/2); else WndRect.bottom = WndRect.top + Extent.cy; if (dwStyle & SS_CENTER) WndRect.DeflateRect((WndRect.Width() - Extent.cx)/2, 0); else if (dwStyle & SS_RIGHT) WndRect.left = WndRect.right - Extent.cx; else WndRect.right = WndRect.left + Extent.cx; SetWindowPos(NULL, WndRect.left, WndRect.top, WndRect.Width(), WndRect.Height(), SWP_NOZORDER);}void CXHyperLink::SetDefaultCursor(){ if (m_hLinkCursor == NULL) { TRACE(_T("loading from IDC_HAND\n")); m_hLinkCursor = AfxGetApp()->LoadStandardCursor(IDC_HAND); if (m_hLinkCursor == NULL) { TRACE(_T("loading from winhlp32\n")); // Get the windows directory CString strWndDir; GetWindowsDirectory(strWndDir.GetBuffer(MAX_PATH), MAX_PATH); strWndDir.ReleaseBuffer(); strWndDir += _T("\\winhlp32.exe"); HMODULE hModule = LoadLibrary(strWndDir); if (hModule) { HCURSOR hHandCursor = ::LoadCursor(hModule, MAKEINTRESOURCE(106)); if (hHandCursor) { m_hLinkCursor = CopyCursor(hHandCursor); } FreeLibrary(hModule); } } }}LONG CXHyperLink::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); _tcscpy_s(retdata, MAX_PATH + 1, data); RegCloseKey(hkey); } return retval;}void CXHyperLink::ReportError(int nError){#ifdef XHYPERLINK_REPORT_ERROR 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(_T("Unknown Error (%d) occurred."), nError); break; } str = "Unable to open hyperlink:\n\n" + str; AfxMessageBox(str, MB_ICONEXCLAMATION | MB_OK);#else UNUSED_ALWAYS(nError);#endif // XHYPERLINK_REPORT_ERROR}void CXHyperLink::NotifyParent(){ if (m_bNotifyParent) { CWnd *pParent = GetParent(); if (pParent && ::IsWindow(pParent->m_hWnd)) { pParent->SendMessage(WM_XHYPERLINK_CLICKED, GetDlgCtrlID()); } }}HINSTANCE CXHyperLink::GotoURL(LPCTSTR url, int showcmd, BOOL bAlwaysOpenNew /*= FALSE*/){ if (!url || url[0] == _T('\0')) return (HINSTANCE) HINSTANCE_ERROR + 1; TCHAR key[MAX_PATH*2]; TCHAR *verb = _T("open"); if (bAlwaysOpenNew) verb = _T("new"); HINSTANCE result = ShellExecute(NULL, verb, url, NULL,NULL, showcmd); if ((UINT)result <= HINSTANCE_ERROR) { if (GetRegKey(HKEY_CLASSES_ROOT, _T(".htm"), key) == ERROR_SUCCESS) { _tcscat_s(key, _T("\\shell\\open\\command")); if (GetRegKey(HKEY_CLASSES_ROOT,key,key) == ERROR_SUCCESS) { TCHAR *pos; pos = _tcsstr(key, _T("\"%1\"")); if (pos == NULL) { pos = _tcsstr(key, _T("%1")); // Check for %1, without quotes if (pos == NULL) // No parameter at all... pos = key + _tcslen(key)-1; else *pos = _T('\0'); // Remove the parameter } else { *pos = _T('\0'); // Remove the parameter } _tcscat(pos, _T(" ")); _tcscat(pos, url); USES_CONVERSION; result = (HINSTANCE) WinExec(T2A(key),showcmd); } } } return result;}用法：
在对话框头文件中添加一个继承CXHyperLink的变量： CXHyperLink m_ctrlWebStatic;
m_ctrlWebStatic.SetWindowText(_T("百度"));
m_ctrlWebStatic.SetURL(_T("www.baidu.com"));
1 0
- MFC：超链接文本（重绘CStatic）
- MFC 动态创建超链接 CStatic
- MFC CStatic 透明重绘 使用双缓冲
- MFC 文本超链接
- MFC-自绘控件（CStatic与CEdit）
- MFC CStatic
- 自绘文本、颜色的CStatic
- MFC CStatic控件自绘，背景透明。
- MFC的CStatic类（转载）
- MFC静态文本控件设置超链接
- VS2013/MFC基于对话框编程：文本超链接
- CStatic控件的基本使用（文本、颜色、图标等）
- MFC CStatic控件在DrawItem中自绘
- MFC CStatic控件在DrawItem中自绘
- 【转】用MFC实现静态文本超链接的方法
- 用MFC实现静态文本超链接的方法
- CHyperLink MFC中static静态文本设置超链接
- 用MFC实现静态文本超链接的方法
- Android 网络框架之Retrofit2使用详解及从源码中解析原理
- 初谈一Java Annotation
- 5步搭建GO环境
- 判断用户是否在线及实现一个账号一个人登陆
- hdu 2048 错排公式 神、上帝以及老天爷
- MFC：超链接文本（重绘CStatic）
- 场效应管
- Java并发容器大合集
- 【java基础 15】java代码中“==”和equals的区别
- 如何学习Storm
- linux中的优先搜索树的实现--prio_tree
- 点击可变暗的ImageView
- 设计模式（四）简单工厂模式
- securecrt使用技巧
