[npwoods] 18131: Notepad enhancements:

Notepad enhancements:
1.  Removed the 30k limit
2.  Implemented Replace and Replace All
Modified: trunk/reactos/subsys/system/notepad/main.c
  _____

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;