Huw Davies : riched20: Handle EM_FINDTEXTEX's unicode conversion in the host.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 87717c9cbfba843de7600042f477e585ea87b327
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=87717c9cbfba843de7600042f477e585ea87b327

Author: Huw Davies <huw at codeweavers.com>
Date:   Fri Mar 12 09:01:38 2021 +0000

riched20: Handle EM_FINDTEXTEX's unicode conversion in the host.

Signed-off-by: Huw Davies <huw at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/riched20/editor.c  | 19 +------------------
 dlls/riched20/txthost.c | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/dlls/riched20/editor.c b/dlls/riched20/editor.c
index 93daa472048..eb1ec78d962 100644
--- a/dlls/riched20/editor.c
+++ b/dlls/riched20/editor.c
@@ -4167,30 +4167,13 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
   {
     return editor->nTextLimit;
   }
-  case EM_FINDTEXTEX:
-  {
-    LRESULT r;
-    if(!unicode){
-      FINDTEXTEXA *ex = (FINDTEXTEXA *)lParam;
-      int nChars = MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, NULL, 0);
-      WCHAR *tmp;
-
-      if ((tmp = heap_alloc(nChars * sizeof(*tmp))) != NULL)
-        MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, tmp, nChars);
-      r = ME_FindText(editor, wParam, &ex->chrg, tmp, &ex->chrgText);
-      heap_free(tmp);
-    }else{
-      FINDTEXTEXW *ex = (FINDTEXTEXW *)lParam;
-      r = ME_FindText(editor, wParam, &ex->chrg, ex->lpstrText, &ex->chrgText);
-    }
-    return r;
-  }
   case EM_FINDTEXT:
   case EM_FINDTEXTW:
   {
     FINDTEXTW *ft = (FINDTEXTW *)lParam;
     return ME_FindText(editor, wParam, &ft->chrg, ft->lpstrText, NULL);
   }
+  case EM_FINDTEXTEX:
   case EM_FINDTEXTEXW:
   {
     FINDTEXTEXW *ex = (FINDTEXTEXW *)lParam;
diff --git a/dlls/riched20/txthost.c b/dlls/riched20/txthost.c
index 00801b5b9af..d249137d829 100644
--- a/dlls/riched20/txthost.c
+++ b/dlls/riched20/txthost.c
@@ -850,6 +850,27 @@ static LRESULT RichEditWndProc_common( HWND hwnd, UINT msg, WPARAM wparam,
         if (!unicode) ME_EndToUnicode( CP_ACP, (WCHAR *)new_params.lpstrText );
         break;
     }
+    case EM_FINDTEXTEX:
+    {
+        FINDTEXTEXA *paramsA = (FINDTEXTEXA *)lparam;
+        FINDTEXTEXW *params = (FINDTEXTEXW *)lparam;
+        FINDTEXTEXW new_params;
+        int len;
+
+        if (!unicode)
+        {
+            new_params.chrg = params->chrg;
+            new_params.lpstrText = ME_ToUnicode( CP_ACP, (char *)params->lpstrText, &len );
+            params = &new_params;
+        }
+        hr = ITextServices_TxSendMessage( host->text_srv, EM_FINDTEXTEXW, wparam, (LPARAM)params, &res );
+        if (!unicode)
+        {
+            ME_EndToUnicode( CP_ACP, (WCHAR *)new_params.lpstrText );
+            paramsA->chrgText = params->chrgText;
+        }
+        break;
+    }
     case WM_GETTEXT:
     {
         GETTEXTEX params;