Support large edit buffers for richedit control.

controls/edit.c

@@ -1843,11 +1843,11 @@ static BOOL EDIT_MakeFit(HWND hwnd, EDITSTATE *es, UINT size)
 
 	if (size <= es->buffer_size)
 		return TRUE;
-	if (size > es->buffer_limit) {
+	if ((es->buffer_limit > 0) && (size > es->buffer_limit)) {
 		EDIT_NOTIFY_PARENT(hwnd, es, EN_MAXTEXT, "EN_MAXTEXT");
 		return FALSE;
 	}
-	if (size > es->buffer_limit)
+	if ((es->buffer_limit > 0) && (size > es->buffer_limit))
 		size = es->buffer_limit;
 
 	TRACE("trying to ReAlloc to %d+1 characters\n", size);
@@ -3413,10 +3413,14 @@ static void EDIT_EM_SetHandle16(HWND hwnd, EDITSTATE *es, HLOCAL16 hloc)
  *	FIXME: in WinNT maxsize is 0x7FFFFFFF / 0xFFFFFFFF
  *	However, the windows version is not complied to yet in all of edit.c
  *
+ *  Additionally as the wrapper for RichEdit controls we need larger buffers
+ *  at present -1 will represent nolimit
  */
 static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit)
 {
-	if (es->style & ES_MULTILINE) {
+    if (limit == 0xFFFFFFFF)
+        es->buffer_limit = -1;
+    else if (es->style & ES_MULTILINE) {
 		if (limit)
 			es->buffer_limit = min(limit, BUFLIMIT_MULTI);
 		else

dlls/richedit/richedit.c

@@ -222,8 +222,15 @@ static LRESULT WINAPI RICHED32_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
             return 0;
 
     case EM_EXLIMITTEXT:
-            DPRINTF_EDIT_MSG32("EM_EXLIMITTEXT Ignored");
-            return 0;
+        {
+           DWORD limit = lParam;
+           DPRINTF_EDIT_MSG32("EM_EXLIMITTEXT");
+           if (limit > 65534)
+           {
+                limit = 0xFFFFFFFF;
+           }
+           return SendMessageA(hwndEdit,EM_SETLIMITTEXT,limit,0);
+        }
 
     case EM_EXLINEFROMCHAR:
             DPRINTF_EDIT_MSG32("EM_EXLINEFROMCHAR -> LINEFROMCHAR");
@@ -293,7 +300,7 @@ static LRESULT WINAPI RICHED32_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
             return 0;
 
     case EM_GETLANGOPTIONS:
-            DPRINTF_EDIT_MSG32("EM_GETLANGOPTIONS");
+            DPRINTF_EDIT_MSG32("STUB: EM_GETLANGOPTIONS");
             return 0;
 
     case EM_GETOLEINTERFACE:
@@ -693,8 +700,20 @@ static LRESULT WINAPI RICHED32_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
     case WM_CLEAR:
         DPRINTF_EDIT_MSG32("WM_CLEAR Passed to default");
         return DefWindowProcA( hwnd,uMsg,wParam,lParam);
-    }
+   /*
+    * used by IE in the EULA box
+    */
+    case WM_ALTTABACTIVE:
+        DPRINTF_EDIT_MSG32("WM_ALTTABACTIVE");
+        return DefWindowProcA( hwnd,uMsg,wParam,lParam);
+    case WM_GETDLGCODE:
+        DPRINTF_EDIT_MSG32("WM_GETDLGCODE");
+        return DefWindowProcA( hwnd,uMsg,wParam,lParam);
+    case WM_SETFONT:
+        DPRINTF_EDIT_MSG32("WM_SETFONT");
+        return DefWindowProcA( hwnd,uMsg,wParam,lParam);
 
+    }
 
     FIXME("Unknown message 0x%x Passed to default hwnd=%08x, wParam=%08x, lParam=%08x\n",
            uMsg, hwnd, (UINT)wParam, (UINT)lParam);