richedit: Return number of bytes read for EM_STREAMIN with SF_TEXT.

dlls/riched20/editor.c

@@ -285,9 +285,10 @@ static LRESULT ME_StreamInText(ME_TextEditor *editor, DWORD dwFormat, ME_InStrea
 {
   WCHAR wszText[STREAMIN_BUFFER_SIZE+1];
   WCHAR *pText;
-  
+  LRESULT total_bytes_read = 0;
+
   TRACE("%08x %p\n", dwFormat, stream);
-  
+
   do {
     LONG nWideChars = 0;
 
@@ -298,8 +299,9 @@ static LRESULT ME_StreamInText(ME_TextEditor *editor, DWORD dwFormat, ME_InStrea
         break;
       if (!stream->dwSize)
         break;
+      total_bytes_read += stream->dwSize;
     }
-      
+
     if (!(dwFormat & SF_UNICODE))
     {
       /* FIXME? this is doomed to fail on true MBCS like UTF-8, luckily they're unlikely to be used as CP_ACP */
@@ -311,13 +313,13 @@ static LRESULT ME_StreamInText(ME_TextEditor *editor, DWORD dwFormat, ME_InStrea
       nWideChars = stream->dwSize >> 1;
       pText = (WCHAR *)stream->buffer;
     }
-    
+
     ME_InsertTextFromCursor(editor, 0, pText, nWideChars, style);
     if (stream->dwSize == 0)
       break;
     stream->dwSize = 0;
   } while(1);
-  return 0;
+  return total_bytes_read;
 }
 
 static void ME_ApplyBorderProperties(RTF_Info *info,
@@ -1390,6 +1392,7 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
   ME_InStream inStream;
   BOOL invalidRTF = FALSE;
   ME_Cursor *selStart, *selEnd;
+  LRESULT num_read = 0; /* bytes read for SF_TEXT, non-control chars inserted for SF_RTF */
 
   TRACE("stream==%p editor==%p format==0x%X\n", stream, editor, format);
   editor->nEventMask = 0;
@@ -1564,7 +1567,7 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
       style = parser.style;
     }
     else if (format & SF_TEXT)
-      ME_StreamInText(editor, format, &inStream, style);
+      num_read = ME_StreamInText(editor, format, &inStream, style);
     else
       ERR("EM_STREAMIN without SF_TEXT or SF_RTF\n");
     /* put the cursor at the top */
@@ -1594,7 +1597,7 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
   ME_SendSelChange(editor);
   ME_SendRequestResize(editor, FALSE);
 
-  return 0;
+  return num_read;
 }
 
 

dlls/riched20/tests/editor.c

@@ -5040,20 +5040,29 @@ static void test_EM_STREAMIN(void)
 
   const char * streamText3 = "RichEdit1";
 
-  struct StringWithLength cookieForStream4;
   const char * streamText4 =
       "This text just needs to be long enough to cause run to be split onto "
       "two separate lines and make sure the null terminating character is "
       "handled properly.\0";
   int length4 = strlen(streamText4) + 1;
-  cookieForStream4.buffer = (char *)streamText4;
-  cookieForStream4.length = length4;
+  struct StringWithLength cookieForStream4 = {
+      length4,
+      (char *)streamText4,
+  };
+
+  const WCHAR streamText5[] = { 'T', 'e', 's', 't', 'S', 'o', 'm', 'e', 'T', 'e', 'x', 't' };
+  int length5 = sizeof(streamText5) / sizeof(WCHAR);
+  struct StringWithLength cookieForStream5 = {
+      sizeof(streamText5),
+      (char *)streamText5,
+  };
 
   /* Minimal test without \par at the end */
   es.dwCookie = (DWORD_PTR)&streamText0;
   es.dwError = 0;
   es.pfnCallback = test_EM_STREAMIN_esCallback;
-  SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  result = SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  todo_wine ok(result == 12, "got %ld, expected %d\n", result, 12);
 
   result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
   ok (result  == 12,
@@ -5067,7 +5076,8 @@ static void test_EM_STREAMIN(void)
   es.dwCookie = (DWORD_PTR)&streamText0a;
   es.dwError = 0;
   es.pfnCallback = test_EM_STREAMIN_esCallback;
-  SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  result = SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  todo_wine ok(result == 12, "got %ld, expected %d\n", result, 12);
 
   result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
   ok (result  == 12,
@@ -5081,7 +5091,8 @@ static void test_EM_STREAMIN(void)
   es.dwCookie = (DWORD_PTR)&streamText0b;
   es.dwError = 0;
   es.pfnCallback = test_EM_STREAMIN_esCallback;
-  SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  result = SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  todo_wine ok(result == 13, "got %ld, expected %d\n", result, 13);
 
   result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
   ok (result  == 14,
@@ -5094,7 +5105,8 @@ static void test_EM_STREAMIN(void)
   es.dwCookie = (DWORD_PTR)&streamText1;
   es.dwError = 0;
   es.pfnCallback = test_EM_STREAMIN_esCallback;
-  SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  result = SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  todo_wine ok(result == 12, "got %ld, expected %d\n", result, 12);
 
   result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
   ok (result  == 12,
@@ -5106,7 +5118,8 @@ static void test_EM_STREAMIN(void)
 
   es.dwCookie = (DWORD_PTR)&streamText2;
   es.dwError = 0;
-  SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  result = SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  ok(result == 0, "got %ld, expected %d\n", result, 0);
 
   result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
   ok (result  == 0,
@@ -5117,7 +5130,8 @@ static void test_EM_STREAMIN(void)
 
   es.dwCookie = (DWORD_PTR)&streamText3;
   es.dwError = 0;
-  SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  result = SendMessage(hwndRichEdit, EM_STREAMIN, SF_RTF, (LPARAM)&es);
+  ok(result == 0, "got %ld, expected %d\n", result, 0);
 
   result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
   ok (result  == 0,
@@ -5129,13 +5143,25 @@ static void test_EM_STREAMIN(void)
   es.dwCookie = (DWORD_PTR)&cookieForStream4;
   es.dwError = 0;
   es.pfnCallback = test_EM_STREAMIN_esCallback2;
-  SendMessage(hwndRichEdit, EM_STREAMIN, SF_TEXT, (LPARAM)&es);
+  result = SendMessage(hwndRichEdit, EM_STREAMIN, SF_TEXT, (LPARAM)&es);
+  ok(result == length4, "got %ld, expected %d\n", result, length4);
 
   result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
   ok (result  == length4,
       "EM_STREAMIN: Test 4 returned %ld, expected %d\n", result, length4);
   ok(es.dwError == 0, "EM_STREAMIN: Test 4 set error %d, expected %d\n", es.dwError, 0);
 
+  es.dwCookie = (DWORD_PTR)&cookieForStream5;
+  es.dwError = 0;
+  es.pfnCallback = test_EM_STREAMIN_esCallback2;
+  result = SendMessage(hwndRichEdit, EM_STREAMIN, SF_TEXT | SF_UNICODE, (LPARAM)&es);
+  ok(result == sizeof(streamText5), "got %ld, expected %u\n", result, (UINT)sizeof(streamText5));
+
+  result = SendMessage(hwndRichEdit, WM_GETTEXT, 1024, (LPARAM) buffer);
+  ok (result  == length5,
+      "EM_STREAMIN: Test 4 returned %ld, expected %d\n", result, length5);
+  ok(es.dwError == 0, "EM_STREAMIN: Test 5 set error %d, expected %d\n", es.dwError, 0);
+
   DestroyWindow(hwndRichEdit);
 }