C++动态链接控件
//LinkLable.h //作者:boitboy //个人博客:http://www.cadgj.com //功能:动态链接控件 //最后修改时间:2012/7/7 #pragma once #include "afxwin.h" typedef bool (*OnClickHandle)(); class CLinkLable : public CStatic { DECLARE_DYNAMIC(CLinkLable) public: CLinkLable(void); ~CLinkLable(void); public: void SetCursor(HCURSOR hCursor);//设置光标 HCURSOR GetCursor() const; //获取光标 void SetUnderline(BOOL bUnderline = TRUE);//设置是否使用下划线 BOOL GetUnderline() const; //获取是否使用下划线 void SetAutoSize(BOOL bAutoSize = TRUE); //设置是否根据调整控件大小以适应文字 BOOL GetAutoSize() const;//获取是否根据调整控件大小以适应文字 void SetColour(COLORREF crColour);//设置控件普通情况下的颜色 COLORREF GetColour() const;//获取控件普通情况下的颜色 void SetClickColor(COLORREF crClickedColour);//设置控件被点击过后的颜色 COLORREF GetClickedColour() const;//获取控件被点击过后的颜色 void SetHoverColour(COLORREF crHoverColour);//设置鼠标晃过控件时的颜色 COLORREF GetHoverColour() const;//获取鼠标晃过控件时的颜色 void SetTip(CString Tip);//设置提示文字 CString GetTip() const;////获取提示文字 void SetOnClickHandle(OnClickHandle m_Handle); public: virtual BOOL PreTranslateMessage(MSG* pMsg); protected: //方法 virtual void PreSubclassWindow(); void PositionWindow(); void SetDefaultCursor(); void SetClicked(BOOL bClicked=TRUE); protected: //变量 CFont m_Font;//字体 BOOL m_bUnderline;//下划线 BOOL m_bAdjustToFit;//调整至适应文字大小 HCURSOR m_hCursor;//光标 BOOL m_bOverControl;//鼠标晃过控件 COLORREF m_crColour;//控件普通状态下的颜色 COLORREF m_crClickedColour;//按过一次后控件的颜色 COLORREF m_crHoverColour;//鼠标晃过控件的时候控件的颜色 BOOL m_bClicked;//是否被点击过了 CToolTipCtrl m_ToolTip;//ToolTip控件 CString m_strTip;//提示 OnClickHandle m_OnClickHandle;//被按下执行函数 protected: //消息处理 afx_msg void OnMouseMove(UINT nFlags, CPoint point); afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message); afx_msg HBRUSH CtlColor(CDC* pDC, UINT nCtlColor); afx_msg virtual void OnClicked(); DECLARE_MESSAGE_MAP() }; class CHyperLinkLable: public CLinkLable { public: CHyperLinkLable(); ~CHyperLinkLable(); public: void SetURL(CString strURL); CString GetURL() const; protected: CString m_strURL;//网页地址 BOOL m_bVisited; virtual void OnClicked(); void SetVisited(BOOL bVisited=TRUE); private: CLinkLable::SetTip;//方法在此类里被禁用 CLinkLable::GetTip;//方法在此类里被禁用 CLinkLable::SetOnClickHandle;//方法在此类里被禁用 }; //LinkLable.cpp //作者:boitboy //个人博客:http://www.cadgj.com //功能:动态链接控件 //最后修改时间:2012/7/7 #include "StdAfx.h" #include "LinkLable.h" #define TOOLTIP_ID 1 IMPLEMENT_DYNAMIC (CLinkLable, CStatic) CLinkLable::CLinkLable(void) { m_hCursor = NULL;//光标为空值 m_crColour = RGB( 0, 0, 238); // Blue m_crClickedColour = RGB( 0, 0, 238); // Purple m_crHoverColour = RGB( 0, 0, 238); m_bOverControl = FALSE; // Cursor not yet over control m_bClicked = FALSE; // Hasn't been visited yet. m_bUnderline = TRUE; // Underline the link? m_bAdjustToFit = TRUE; // Resize the window to fit the text? m_strTip=_T(""); m_OnClickHandle=NULL; } CLinkLable::~CLinkLable(void) { try { m_Font.DeleteObject(); } catch(...) { } } BEGIN_MESSAGE_MAP(CLinkLable, CStatic) //{{AFX_MSG_MAP(CLinkLable) ON_CONTROL_REFLECT(STN_CLICKED, OnClicked) ON_WM_MOUSEMOVE() ON_WM_SETCURSOR() ON_WM_CTLCOLOR_REFLECT() //}}AFX_MSG_MAP END_MESSAGE_MAP() void CLinkLable::PreSubclassWindow() { // We want to get mouse clicks via STN_CLICKED DWORD dwStyle = GetStyle(); ::SetWindowLong(GetSafeHwnd(), GWL_STYLE, dwStyle | SS_NOTIFY); // Create the font LOGFONT lf; if(GetFont()!=NULL) { 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 CRect rect; GetClientRect(rect); m_ToolTip.Create(this); m_ToolTip.AddTool(this, m_strTip, rect, TOOLTIP_ID); CStatic::PreSubclassWindow(); } BOOL CLinkLable::PreTranslateMessage(MSG* pMsg) { m_ToolTip.RelayEvent(pMsg); return CStatic::PreTranslateMessage(pMsg); } void CLinkLable::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); } void CLinkLable::SetDefaultCursor() { if (m_hCursor == NULL) { // 获取windows路径 CString strWndDir; GetWindowsDirectory(strWndDir.GetBuffer(MAX_PATH), MAX_PATH); strWndDir.ReleaseBuffer(); strWndDir += _T("\\winhlp32.exe"); // 从winhlp32.exe获取一个手型的光标 HMODULE hModule = LoadLibrary(strWndDir); if (hModule) { HCURSOR hHandCursor = ::LoadCursor(hModule, MAKEINTRESOURCE(106)); if (hHandCursor) m_hCursor = CopyCursor(hHandCursor); } FreeLibrary(hModule); } } void CLinkLable::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 { CRect rect; GetClientRect(rect); if (rect.PtInRect(point)) { m_bOverControl = TRUE; RedrawWindow(); SetCapture(); } } } BOOL CLinkLable::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) { if (m_hCursor) { ::SetCursor(m_hCursor); return TRUE; } return FALSE; } HBRUSH CLinkLable::CtlColor(CDC* pDC, UINT nCtlColor) { ASSERT(nCtlColor == CTLCOLOR_STATIC); if (m_bOverControl) pDC->SetTextColor(m_crHoverColour); else if (m_bClicked) pDC->SetTextColor(m_crClickedColour); else pDC->SetTextColor(m_crColour); // transparent text. pDC->SetBkMode(TRANSPARENT); return (HBRUSH)GetStockObject(NULL_BRUSH); } void CLinkLable::OnClicked() { if(m_OnClickHandle!=NULL) { try { if(!m_OnClickHandle()) { return; } } catch(...) { return; } } SetClicked(); } void CLinkLable::SetClicked(BOOL bClicked) { m_bClicked = bClicked; if (::IsWindow(GetSafeHwnd())) Invalidate(); } void CLinkLable::SetCursor(HCURSOR hCursor) { m_hCursor = hCursor; if (m_hCursor == NULL) SetDefaultCursor(); } HCURSOR CLinkLable::GetCursor() const { return m_hCursor; } void CLinkLable::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 CLinkLable::GetUnderline() const { return m_bUnderline; } void CLinkLable::SetAutoSize(BOOL bAutoSize /* = TRUE */) { m_bAdjustToFit = bAutoSize; if (::IsWindow(GetSafeHwnd())) PositionWindow(); } BOOL CLinkLable::GetAutoSize() const { return m_bAdjustToFit; } void CLinkLable::SetColour(COLORREF crColour) { if(crColour==m_crColour) return; m_crColour=crColour; if (m_bOverControl||m_bClicked) return; //刷新界面显示 if (::IsWindow(m_hWnd)) Invalidate(); } COLORREF CLinkLable::GetColour() const { return m_crColour; } void CLinkLable::SetClickColor(COLORREF crClickedColour) { if(m_crClickedColour==crClickedColour) return; if (m_bOverControl) return; if(!m_bClicked) return; m_crClickedColour=crClickedColour; //刷新界面显示 if (::IsWindow(m_hWnd)) Invalidate(); } COLORREF CLinkLable::GetClickedColour() const { return m_crClickedColour; } void CLinkLable::SetHoverColour(COLORREF crHoverColour) { if(m_crHoverColour==crHoverColour) { return; } if(!m_bOverControl) return; m_crHoverColour=crHoverColour; //刷新界面显示 if (::IsWindow(m_hWnd)) Invalidate(); } COLORREF CLinkLable::GetHoverColour() const { return m_crHoverColour; } void CLinkLable::SetTip(CString Tip) { if(m_strTip.Compare(Tip)==0) return; m_strTip=Tip; if (::IsWindow(GetSafeHwnd())) { PositionWindow(); m_ToolTip.UpdateTipText(m_strTip, this, TOOLTIP_ID); } } CString CLinkLable::GetTip() const { return m_strTip; } void CLinkLable::SetOnClickHandle(OnClickHandle m_Handle) { m_OnClickHandle=m_Handle; } //////////////////////////////////////////////分隔符:CHyperLinkLable/////////////////////////////////////////////////// LONG 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; } HINSTANCE 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 #ifdef _UNICODE pos = wcsstr(key, _T("%1")); // Check for %1, without quotes #else pos = strstr(key, _T("%1")); // Check for %1, without quotes #endif 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((LPCSTR)key,showcmd); } } } return result; } CHyperLinkLable::CHyperLinkLable() :CLinkLable() { m_crColour = RGB( 0, 0, 238); // Blue m_crClickedColour = RGB( 85, 26, 139); // Purple m_crHoverColour = ::GetSysColor(COLOR_HIGHLIGHT); } CHyperLinkLable::~CHyperLinkLable() { } void CHyperLinkLable::SetURL(CString strURL) { m_strURL=strURL; SetTip(m_strURL); } CString CHyperLinkLable::GetURL() const { return m_strURL; } void CHyperLinkLable::OnClicked() { int result = (int)GotoURL(m_strURL, SW_SHOW); m_bVisited = (result > HINSTANCE_ERROR); if(!m_bVisited) return; SetVisited(); } void CHyperLinkLable::SetVisited(BOOL bVisited) { m_bVisited = bVisited; SetClicked(bVisited); if (::IsWindow(GetSafeHwnd())) Invalidate(); } 使用： 在页面放置一个静态文本 在对话框的 DoDataExchange (CDataExchange *pDX) 增加 DDX_Control(pDX,IDC_STATIC_XX,m_LinkXX); 即可使用查看完整版本： C++动态链接控件
Tags: 动态链接控件
