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How To Change the String in CRichEditCtrl

Posted on 1999-01-04
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Last Modified: 2013-11-20
RE is a CRichEditCtrl object. What I have is a spell checker. There are four choices for the user 1st Ignore,Ignore All, Change, and Change All.
so basically I have this options in a switch statement.
Since I already have the Change working how do I implement the ChangeAll. These are push buttons.If the spell checker detects a mispelled word. It list the suggestion in the list box.
switch (idAction)
                                          {
                                          case IDIGNORE:
                                                // skip this instance of pToken
                                                break;
                                          case IDIGNOREALL:
                                                // skip every instance of pToken - add to ignore list
                                                break;
                                          case IDCHANGE:
                                                // change this instance of pToken to dlg.m_strChange
                                                RE.ReplaceSel(LPCTSTR(dlg.m_strChange), true);
                                                nNew = dlg.m_strChange.GetLength();
                                                int dxChars += (nNew - nOld);
                                                
                                                break;
                                          case IDCHANGEALL:
                                                // change every instance of pToken to dlg.m_strChange
                                                break;
                                          default:
                                                break;
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Question by:lucent2000
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3 Comments
 
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Accepted Solution

by:
plaroche earned 300 total points
ID: 1327168
Use the FindText member of CRichEditCtrl and use a while loop to find every instance of the word by using the WHOLEWORD attribute for FindText.

Using the found position of the word execute a SetSel call to set the selection to the found word. Then use the same ReplaceSel call for your IDCHANGE code.


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Author Comment

by:lucent2000
ID: 1327169
Can you show me how to do this?
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Author Comment

by:lucent2000
ID: 1327170
void CNarrativeView::CheckSpelling(bool bAll)
{
      CString strText = _T("");
      if (bAll)
      {
            //check all word
            strText = GetNarrative();
            if(!strText.IsEmpty())
            {
                  int dxChars = 0;
                  int n = strText.GetLength();
                  PSTR pszBuf = new char[n+1];
                  if (!pszBuf)
                  {
                        return;
                  }
                  //copies string to the buffer
                  strcpy(pszBuf,LPCTSTR(strText));
                  char seps[] = " ,\t\r\n";
                  PSTR pToken = NULL;
                  
                  //check spelling suggestion
                  _ApplicationPtr pWord = reinterpret_cast<CNarrativeApp*>(AfxGetApp())->GetWordPtr();
                  if (pWord)
                  {
                        pToken = strtok(pszBuf,seps);
                        CStringArray strSugs;
                        bool bCheck = false;
                        while( pToken != NULL )
                        {
                              bCheck = true;
                              if (m_Options.m_bIgnoreNumbers)
                              {
                              CString strWord = pToken;

                                    if (strWord.FindOneOf("0123456789") != -1)
                                    {
                                          bCheck = false;
                                    }
                              }
                              if (bCheck && m_Options.m_bIgnoreUpper)
                              {
                              CString strWord = pToken;

                                    if (strWord.FindOneOf("abcedfghijklmnopqrstuvwxyz") == -1)
                                    {
                                          bCheck = false;
                                    }
                              }


                              if (bCheck)
                              {
                                    _bstr_t bstrWord(pToken);
                                    VARIANT_BOOL vtBool = pWord->CheckSpelling(bstrWord);

                                    if (vtBool == VARIANT_FALSE)
                                    {
                                          if (m_Options.m_bSuggestions)
                                          {
                                                SpellingSuggestionsPtr pSugs = NULL;
                                                pSugs = pWord->GetSpellingSuggestions(bstrWord);
                                                int iCount = pSugs->GetCount();
                                                strSugs.RemoveAll();
                                                for (int i =1; i <= iCount; i++)
                                                {
                                                      SpellingSuggestionPtr pSugWord = pSugs->Item(i);
                                                      
                                                      if (pSugWord)
                                                      {
                                                            // Build list
                                                            CString strSug = (LPCTSTR)pSugWord->GetName();
                                                            TRACE("Suggestion: <%s>\r\n", strSug);
                                                            strSugs.Add(strSug);
                                                      }
                                                }
                                          }

                                          CDlgSpelling dlg;
                                          // copy array elements
                                          int nSugs = strSugs.GetSize();
                                          for (int i = 0; i < nSugs; i++)
                                          {
                                                dlg.m_astrSugs.Add(strSugs[i]);
                                          }
                                          int nNew = 0;
                                          int nOld = strlen(pToken);
                                          int iStart = pToken - pszBuf;
                                          iStart += dxChars;
                                          int iEnd = iStart + nOld;
                                          CRichEditCtrl& RE = GetRichEditCtrl();
                                          RE.SetSel(iStart, iEnd);
                                                      
                                          dlg.m_strWrong = pToken;
                                          int idAction = dlg.DoModal();

                                          
                                          switch (idAction)
                                          {
                                          case IDIGNORE:
                                                // skip this instance of pToken
                                                break;
                                          case IDIGNOREALL:
                                                // skip every instance of pToken - add to ignore list
                                                break;
                                          case IDCHANGE:
                                                //change this instance of pToken to dlg.m_strChange
                                                RE.ReplaceSel(LPCTSTR(dlg.m_strChange), true);
                                                nNew = dlg.m_strChange.GetLength();
                                                dxChars += (nNew - nOld);
                                                
                                                break;
                                          case IDCHANGEALL:
                                                //change every instance of pToken to dlg.m_strChange
                                                
                                                /*Use the FindText member of CRichEditCtrl and
                                                use a while loop to find every instance of the word
                                                by using the WHOLEWORD attribute for FindText.
                                                Using the found position of the word execute a SetSel call
                                                to set the selection to the found word.
                                                Then use the same ReplaceSel in the IDCHANGE code.*/
                                                CHARRANGE chrg;      // range to search
                                                LPSTR lpstrText;     // null-terminated string to find
                                                CHARRANGE chrgText;  // range in which text is found
                                                FINDTEXTEX ft;
                                                long nFind = RE.FindText(FR_WHOLEWORD,FINDTEXTEX);
                                                long nMinPos = RE.SetSel(chrgText.cpMin);
                                                long nMaxPos = RE.SetSel(chrgText.cpMax);

                                                break;
                                          default:
                                                break;
                                          }
                                          
                                    }
                              }
                              pToken = strtok( NULL, seps );
                        }
                        
                  }
                  delete pszBuf;
            }
            
      }
      
      else
      {
            CRichEditCtrl& RE = GetRichEditCtrl();
            strText = RE.GetSelText();
            if (!strText.IsEmpty())
            {
                  _ApplicationPtr pWord = reinterpret_cast<CNarrativeApp*>(AfxGetApp())->GetWordPtr();
                  if (pWord)
                  {
                  _bstr_t bstrWord(strText);
                  VARIANT_BOOL vtBool = pWord->CheckSpelling(bstrWord);

                        if (vtBool == VARIANT_FALSE)
                        {
                        SpellingSuggestionsPtr pSugs = NULL;
                        pSugs = pWord->GetSpellingSuggestions(bstrWord);
                        int iCount = pSugs->GetCount();

                              for (int i = 1; i <= iCount; i++)
                              {
                                    SpellingSuggestionPtr pSugWord = pSugs->Item(i);
                                    if (pSugWord)
                                    {
                                    CString strWord = (LPCTSTR)pSugWord->GetName();

                                          TRACE("Suggestion: <%s>\r\n", strWord);
                                    
                                    }
                              }
                              //dlg
                              CDlgSpelling dlg;
                              dlg.DoModal();
                        }
                  }
            }
      }

}



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