Notepad enhancements:
1.  Removed the 30k limit
2.  Implemented Replace and Replace All

Modified: trunk/reactos/subsys/system/notepad/main.c

--- trunk/reactos/subsys/system/notepad/main.c	2005-09-27 21:49:18 UTC (rev 18130)
+++ trunk/reactos/subsys/system/notepad/main.c	2005-09-27 23:29:35 UTC (rev 18131)
@@ -102,13 +102,14 @@

  *           NOTEPAD_FindNext
  */
 

-static VOID NOTEPAD_FindNext(FINDREPLACE *pFindReplace)

+static BOOL NOTEPAD_FindNext(FINDREPLACE *pFindReplace, BOOL bShowAlert)

 {
     int iTextLength, iTargetLength;
     LPTSTR pszText = NULL;
     DWORD dwPosition, dwDummy;
     BOOL bMatches = FALSE;
     TCHAR szResource[128], szText[128];

+    BOOL bSuccess;

 
     iTargetLength = _tcslen(pFindReplace->lpstrFindWhat);
 
@@ -118,7 +119,7 @@

     {
         pszText = (LPTSTR) HeapAlloc(GetProcessHeap(), 0, (iTextLength + 1) * sizeof(TCHAR));
         if (!pszText)

-            return;

+            return FALSE;

 
         GetWindowText(Globals.hEdit, pszText, iTextLength + 1);
     }
@@ -155,22 +156,57 @@

         /* Found target */
         SendMessage(Globals.hEdit, EM_SETSEL, dwPosition, dwPosition + iTargetLength);
         SendMessage(Globals.hEdit, EM_SCROLLCARET, 0, 0);

+        bSuccess = TRUE;

     }
 	else
 	{
         /* Can't find target */

-        LoadString(Globals.hInstance, STRING_CANNOTFIND, szResource, SIZEOF(szResource));
-        _sntprintf(szText, SIZEOF(szText), szResource, pFindReplace->lpstrFindWhat);
-        LoadString(Globals.hInstance, STRING_NOTEPAD, szResource, SIZEOF(szResource));
-        MessageBox(Globals.hEdit, szText, szResource, MB_OK);

+        if (bShowAlert)
+		{
+            LoadString(Globals.hInstance, STRING_CANNOTFIND, szResource, SIZEOF(szResource));
+            _sntprintf(szText, SIZEOF(szText), szResource, pFindReplace->lpstrFindWhat);
+            LoadString(Globals.hInstance, STRING_NOTEPAD, szResource, SIZEOF(szResource));
+            MessageBox(Globals.hEdit, szText, szResource, MB_OK);
+		}
+        bSuccess = FALSE;

 	}
 
     if (pszText)
         HeapFree(GetProcessHeap(), 0, pszText);

+    return bSuccess;

 }
 
 /***********************************************************************
  *

+ *           NOTEPAD_Replace
+ */
+
+static VOID NOTEPAD_Replace(FINDREPLACE *pFindReplace)
+{
+    if (NOTEPAD_FindNext(pFindReplace, TRUE))
+        SendMessage(Globals.hEdit, EM_REPLACESEL, TRUE, (LPARAM) pFindReplace->lpstrReplaceWith);
+}
+
+/***********************************************************************
+ *
+ *           NOTEPAD_ReplaceAll
+ */
+
+static VOID NOTEPAD_ReplaceAll(FINDREPLACE *pFindReplace)
+{
+    BOOL bShowAlert = TRUE;
+
+    SendMessage(Globals.hEdit, EM_SETSEL, 0, 0);
+
+    while (NOTEPAD_FindNext(pFindReplace, bShowAlert))
+    {
+        SendMessage(Globals.hEdit, EM_REPLACESEL, TRUE, (LPARAM) pFindReplace->lpstrReplaceWith);
+        bShowAlert = FALSE;
+	}
+}
+
+/***********************************************************************
+ *

  *           NOTEPAD_FindTerm
  */
 
@@ -237,6 +273,9 @@

         Globals.hEdit = CreateWindowEx(EDIT_EXSTYLE, editW, NULL, EDIT_STYLE,
                              0, 0, rc.right, rc.bottom, hWnd,
                              NULL, Globals.hInstance, NULL);

+        if (!Globals.hEdit)
+            return -1;
+        SendMessage(Globals.hEdit, EM_LIMITTEXT, 0, 0);

         break;
     }
 
@@ -294,7 +333,11 @@

             FINDREPLACE *pFindReplace = (FINDREPLACE *) lParam;
 
             if (pFindReplace->Flags & FR_FINDNEXT)

-                NOTEPAD_FindNext(pFindReplace);

+                NOTEPAD_FindNext(pFindReplace, TRUE);
+            else if (pFindReplace->Flags & FR_REPLACE)
+                NOTEPAD_Replace(pFindReplace);
+            else if (pFindReplace->Flags & FR_REPLACEALL)
+                NOTEPAD_ReplaceAll(pFindReplace);

             else if (pFindReplace->Flags & FR_DIALOGTERM)
                 NOTEPAD_FindTerm();
             break;