VC tooltip 源代码

#include "stdafx.h" #include "PPHtmlDrawer.h" #include "atlconv.h" // for Unicode conversion - requires #include <afxdisp.h> // MFC OLE automation classes #include <shellapi.h> #pragma comment(lib, "comctl32.lib") #pragma setlocale(_T("en")) /* #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[]=__FILE__; #define new DEBUG_NEW #endif */ #define PPHTMLDRAWER_NO_HOVERLINK -2 //A hot area is not exist under the cursor #define PPHTMLDRAWER_BREAK_CHARS _T(" -.,!:;)}]?") //A set of the chars to break line in the text wrap mode enum { MODE_DRAW = 0, MODE_FIRSTPASS, MODE_SECONDPASS }; /* #define m_szOffsetShadow.cx 4 // #define m_szOffsetShadow.cy 4 // #define m_szDepthShadow.cx 7 // #define m_szDepthShadow.cy 7 // #define PPHTMLDRAWER_SHADOW_COLOR RGB (64, 64, 64) //A gradient shadow's color */ ///////////////////////////////////////////////////////////////////////////// // CPPHtmlDrawer CPPHtmlDrawer::CPPHtmlDrawer() { m_nNumPass = MODE_FIRSTPASS; m_hInstDll = NULL; m_bFreeInstDll = FALSE; m_hDC = NULL; m_hImageList = NULL; m_csCallbackRepaint.hWnd = NULL; m_csCallbackRepaint.nMessage = 0; m_csCallbackRepaint.lParam = 0; m_csCallbackRepaint.wParam = 0; m_csCallbackLink.hWnd = NULL; m_csCallbackLink.nMessage = 0; m_csCallbackLink.lParam = 0; m_csCallbackLink.wParam = 0; // m_clrShadow = PPHTMLDRAWER_SHADOW_COLOR; m_hLinkCursor = NULL; // No cursor as yet m_nHoverIndexLink = PPHTMLDRAWER_NO_HOVERLINK; SetListOfTags(); SetListSpecChars(); SetTableOfColors(); SetDefaultCursor(); EnableEscapeSequences(); SetMaxWidth(0); // EnableTextWrap(FALSE); //A text warpping was disabled by default // EnableTextWrap(TRUE); //A text warpping was disabled by default SetImageShadow(4, 4); SetTabSize(32); SetDefaultCssStyles(); EnableOutput(); SetDisabledColor(::GetSysColor(COLOR_BTNSHADOW)); } CPPHtmlDrawer::~CPPHtmlDrawer() { SetResourceDll(NULL); if (NULL != m_hLinkCursor) { ::DestroyCursor(m_hLinkCursor); m_hLinkCursor = NULL; } if (NULL != m_hImageList) ::DeleteObject(m_hImageList); } void CPPHtmlDrawer::EnableOutput(BOOL bEnable /* = TRUE */) { m_bIsEnable = bEnable; } //End of EnableOutput void CPPHtmlDrawer::SetDisabledColor(COLORREF color) { m_crDisabled = color; } HICON CPPHtmlDrawer::GetIconFromResources(DWORD dwID, int nWidth /* = 0 */, int nHeight /* = 0 */) const { if (0 == dwID) return NULL; // Find correct resource handle #ifdef _MFC_VER HINSTANCE hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(dwID), RT_GROUP_ICON); #else HINSTANCE hInstResource = ::GetModuleHandle(NULL); #endif // Set icon when the mouse is IN the button HICON hIcon = (HICON)::LoadImage(hInstResource, MAKEINTRESOURCE(dwID), IMAGE_ICON, nWidth, nHeight, LR_DEFAULTCOLOR); return hIcon; } HICON CPPHtmlDrawer::GetIconFromFile(LPCTSTR lpszPath, int nWidth /* = 0 */, int nHeight /* = 0 */) const { HICON hIcon = (HICON)::LoadImage(NULL, lpszPath, IMAGE_ICON, nWidth, nHeight, LR_LOADFROMFILE | LR_DEFAULTCOLOR); return hIcon; } HICON CPPHtmlDrawer::GetIconFromDll(DWORD dwID, int nWidth /* = 0 */, int nHeight /* = 0 */, LPCTSTR lpszPathDll /* = NULL */) const { if (0 == dwID) return NULL; HICON hIcon = NULL; HINSTANCE hInstDll = NULL; BOOL bNewDll = FALSE; if (NULL == lpszPathDll) { if (NULL != m_hInstDll) hInstDll = m_hInstDll; } else { //Load New Library hInstDll = ::LoadLibraryEx(lpszPathDll, NULL, 0); if (NULL != hInstDll) bNewDll = TRUE; } if (NULL != hInstDll) { hIcon = (HICON)::LoadImage(hInstDll, MAKEINTRESOURCE(dwID), IMAGE_ICON, nWidth, nHeight, LR_DEFAULTCOLOR); if (bNewDll) ::FreeLibrary(hInstDll); } return hIcon; } HBITMAP CPPHtmlDrawer::GetBitmapFromResources(DWORD dwID) const { if (0 == dwID) return NULL; // Find correct resource handle #ifdef _MFC_VER HINSTANCE hInstResource = AfxFindResourceHandle(MAKEINTRESOURCE(dwID), RT_BITMAP); #else HINSTANCE hInstResource = ::GetModuleHandle(NULL); #endif // Load bitmap HBITMAP hBitmap = (HBITMAP)::LoadImage(hInstResource, MAKEINTRESOURCE(dwID), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR); return hBitmap; } HBITMAP CPPHtmlDrawer::GetBitmapFromFile(LPCTSTR lpszPath) const { HBITMAP hBitmap = (HBITMAP)::LoadImage(NULL, lpszPath, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION | LR_DEFAULTSIZE); return hBitmap; } HBITMAP CPPHtmlDrawer::GetBitmapFromDll(DWORD dwID, LPCTSTR lpszPathDll /* = NULL */) const { if (0 == dwID) return NULL; HBITMAP hBitmap = NULL; HINSTANCE hInstDll = NULL; BOOL bNewDll = FALSE; if (NULL == lpszPathDll) { if (NULL != m_hInstDll) hInstDll = m_hInstDll; } else { //Load New Library hInstDll = ::LoadLibraryEx(lpszPathDll, NULL, 0); if (NULL != hInstDll) bNewDll = TRUE; } if (NULL != hInstDll) { hBitmap = (HBITMAP)::LoadImage(hInstDll, MAKEINTRESOURCE(dwID), IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION | LR_DEFAULTSIZE); if (bNewDll) ::FreeLibrary(hInstDll); } return hBitmap; } CPPString CPPHtmlDrawer::GetStringFromResource(DWORD dwID) const { if (0 == dwID) return _T(""); CPPString str; str.LoadString(dwID); return str; } CPPString CPPHtmlDrawer::GetStringFromDll(DWORD dwID, LPCTSTR lpszPathDll /* = NULL */) const { if (0 == dwID) return _T(""); CPPString str = _T(""); HINSTANCE hInstDll = NULL; BOOL bNewDll = FALSE; if (NULL == lpszPathDll) { if (NULL != m_hInstDll) hInstDll = m_hInstDll; } else { //Load New Library hInstDll = ::LoadLibraryEx(lpszPathDll, NULL, 0); if (NULL != hInstDll) bNewDll = TRUE; } if (NULL != hInstDll) { #ifdef _UNICODE #define CHAR_FUDGE 1 // one TCHAR unused is good enough #else #define CHAR_FUDGE 2 // two BYTES unused for case of DBC last char #endif // try fixed buffer first (to avoid wasting space in the heap) TCHAR szTemp[256]; DWORD dwLen = ::LoadString(hInstDll, dwID, szTemp, (sizeof(szTemp) * sizeof(TCHAR))); // If resource not found (or ::LoadString failure) if (0 != dwLen) { if ((sizeof(szTemp) * sizeof(TCHAR)) - dwLen > CHAR_FUDGE) { str = szTemp; } // if else { // try buffer size of 512, then larger size until entire string is retrieved int nSize = 256; do { nSize += 256; dwLen = ::LoadString(hInstDll, dwID, str.GetBuffer(nSize-1), nSize); } while (nSize - dwLen <= CHAR_FUDGE); str.ReleaseBuffer(); } #undef CHAR_FUDGE } if (bNewDll) ::FreeLibrary(hInstDll); } return str; } /////////////////////////////////////////////////////////// // Get tooltip string for menu and toolbar items from the // resources of the application. // // Parameters: // nID - Resource ID of the string // nNumParam - Which parameter will gets: // 0=long, // 1=short, // 2=disable // // // Format prompt string: long prompt \n short prompt \n disable prompt //////////////////////////////////////////////////////////// CPPString CPPHtmlDrawer::GetResCommandPrompt(UINT nID, UINT nNumParam /* = 0 */) { CPPString str = GetStringFromResource(nID); if (!str.IsEmpty()) { int nFirst = 0; int nLast = nFirst; UINT nCount = 0; while ((nCount <= nNumParam) && (nFirst < str.GetLength())) { nLast = str.Find(_T('\n'), nFirst); if (nLast < 0) { //Char wasn't found if (nCount == nNumParam) str = str.Mid(nFirst, str.GetLength() - nFirst); else str.Empty(); return str; } else { //Char was found if (nCount == nNumParam) { str = str.Mid(nFirst, nLast - nFirst); return str; } else { nFirst = nLast + 1; } //if } //if nCount ++; } //whil