shell32: Allow overwriting files in SHFileOperation(FO_COPY) (with confirmation dialogs).

dlls/shell32/shell32_Bg.rc

@@ -165,8 +165,12 @@ STRINGTABLE DISCARDABLE
 	IDS_DELETEITEM_TEXT "     '%1'?"
 	IDS_DELETEMULTIPLE_TEXT "      %1 ?"
 	IDS_DELETESELECTED_TEXT "      ?"
-	IDS_OVERWRITEFILE_TEXT "     %1?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "   "
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
         /* message box strings */
         IDS_RESTART_TITLE       ""

dlls/shell32/shell32_Cs.rc

@@ -163,10 +163,14 @@ STRINGTABLE DISCARDABLE
 	IDS_CREATEFOLDER_CAPTION "Chyba pi pokusu vytvoit nov adres"
 	IDS_DELETEITEM_CAPTION "Potvrdit odstrann souboru"
 	IDS_DELETEFOLDER_CAPTION "Potvrdit odstrann adrese"
-	IDS_OVERWRITEFILE_CAPTION "Potvrdit pepsn souboru"
 	IDS_DELETEITEM_TEXT "Opravdu chcete odstranit '%1'?"
 	IDS_DELETEMULTIPLE_TEXT "Opravdu chcete odstranit tchto %1 poloek?"
-	IDS_OVERWRITEFILE_TEXT "Pejete si pepsat soubor '%1'?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
+	IDS_OVERWRITEFILE_CAPTION "Potvrdit pepsn souboru"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 }
 
 /*	columns in the shellview	*/

dlls/shell32/shell32_De.rc

@@ -173,8 +173,12 @@ STRINGTABLE DISCARDABLE
 	IDS_TRASHFOLDER_TEXT "Sind Sie sich sicher, dass Sie '%1' und seinen Inhalt in den Mll verschieben mchten?"
 	IDS_TRASHMULTIPLE_TEXT "Sind Sie sich sicher, dass Sie diese %1 Dateien in den Mll verschieben mchten?"
 	IDS_CANTTRASH_TEXT "Das Objekt '%1' kann nicht in den Mll verschoben werden. Mchten Sie es stattdessen lschen?"
-	IDS_OVERWRITEFILE_TEXT "Mchten Sie, dass die Datei '%1' berschrieben wird ?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Besttigung: Datei berschreiben"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
         /* message box strings */
         IDS_RESTART_TITLE       "Neustarten"

dlls/shell32/shell32_En.rc

@@ -185,8 +185,12 @@ STRINGTABLE DISCARDABLE
 	IDS_TRASHFOLDER_TEXT "Are you sure that you want to send '%1' and all it's content to the Trash?"
 	IDS_TRASHMULTIPLE_TEXT "Are you sure that you want to send these %1 items to the Trash?"
 	IDS_CANTTRASH_TEXT "The item '%1' can't be sent to Trash. Do you want to delete it instead?"
-	IDS_OVERWRITEFILE_TEXT "OverWrite File %1?"
-	IDS_OVERWRITEFILE_CAPTION "Confirm File OverWrite"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
+	IDS_OVERWRITEFILE_CAPTION "Confirm file overwrite"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
         /* message box strings */
         IDS_RESTART_TITLE       "Restart"

dlls/shell32/shell32_Eo.rc

@@ -163,8 +163,12 @@ STRINGTABLE DISCARDABLE
 	IDS_DELETEFOLDER_CAPTION "Konfirmu forigon de dosierujo"
 	IDS_DELETEITEM_TEXT "u vi estas certa pri forigo de '%1'?"
 	IDS_DELETEMULTIPLE_TEXT "u vi estas certa pri forigo de i tiuj %1 komponantoj?"
-	IDS_OVERWRITEFILE_TEXT "u vi supreskribas la dosieron %1?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Konfirmu supreskribiton de dosieron"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 }
 
 /*	columns in the shellview	*/
@@ -222,4 +226,3 @@ STRINGTABLE DISCARDABLE
 	IDS_COMMON_VIDEO            "Documents\\Video"
 	IDS_CDBURN_AREA             "Local Settings\\Application Data\\Microsoft\\CD Burning"
 }
-

dlls/shell32/shell32_Es.rc

@@ -162,8 +162,12 @@ STRINGTABLE DISCARDABLE
 	IDS_DELETEFOLDER_CAPTION "Confirmar eliminacin de carpeta"
 	IDS_DELETEITEM_TEXT "Seguro que desea eliminar '%1'?"
 	IDS_DELETEMULTIPLE_TEXT "Seguro que desea eliminar estos %1 elementos?"
-	IDS_OVERWRITEFILE_TEXT "Sobreescribir el archivo '%1'?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Confirmar sobreescritura de archivo"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 }
 
 /*	columns in the shellview	*/

dlls/shell32/shell32_Fi.rc

@@ -164,8 +164,12 @@ STRINGTABLE DISCARDABLE
 	IDS_DELETEFOLDER_CAPTION "Vahvista kansion tuhoaminen"
 	IDS_DELETEITEM_TEXT "Haluatko varmasti tuhota '%1':n?"
 	IDS_DELETEMULTIPLE_TEXT "Haluatko varmasti tuhota nm %1?"
-	IDS_OVERWRITEFILE_TEXT "Ylikirjoita tiedosto %1?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Vahvista tiedoston ylikirjoitus"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
         /* message box strings */
         IDS_RESTART_TITLE       "Kynnist uudelleen"

dlls/shell32/shell32_Fr.rc

@@ -176,8 +176,12 @@ STRINGTABLE DISCARDABLE
 	IDS_TRASHFOLDER_TEXT "tes-vous sr de vouloir mettre %1 et tout ce qu'il contient dans la corbeille?"
 	IDS_TRASHMULTIPLE_TEXT "tes-vous sr de vouloir mettre ces %1 lments dans la corbeille?"
 	IDS_CANTTRASH_TEXT "L'lment %1 ne peut pas tre mis dans la corbeille. Souhaitez-vous le supprimer  la place?"
-	IDS_OVERWRITEFILE_TEXT "craser le fichier %1?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Confirmer l'crasement du fichier"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
         /* message box strings */
        IDS_RESTART_TITLE       "Redmarrer"

dlls/shell32/shell32_It.rc

@@ -164,8 +164,12 @@ STRINGTABLE DISCARDABLE
 	IDS_DELETEFOLDER_CAPTION "Confermare la cancellazione della cartella"
 	IDS_DELETEITEM_TEXT "Sei sicuro di voler cancellare '%1'?"
 	IDS_DELETEMULTIPLE_TEXT "Sei sicuro di voler cancellare questi %1 elementi?"
-	IDS_OVERWRITEFILE_TEXT "Sovrascrivere il File %1?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Confermare la sovrascrizione del File"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
 	/* message box strings */
        IDS_RESTART_TITLE       "Riavvia"

dlls/shell32/shell32_Ko.rc

@@ -173,8 +173,12 @@ IDS_TRASHITEM_TEXT "당신은 '%1' 을(를) 휴지통으로 보내기를 바랍니까?"
 IDS_TRASHFOLDER_TEXT "당신은 '%1' 과 그 안의 내용을 휴지통으로 보내기를 바랍니까?"
 IDS_TRASHMULTIPLE_TEXT "당신은 '%1' 들을(를) 휴지통으로 보내기를 바랍니까?"
 IDS_CANTTRASH_TEXT "The item '%1' can't be sent to Trash. Do you want to delete it instead?"
-IDS_OVERWRITEFILE_TEXT "파일 %1을 덮어쓰겠습니까?"
+IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 IDS_OVERWRITEFILE_CAPTION "파일 덮어쓰기 확인"
+IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
 /* message box strings */
 IDS_RESTART_TITLE       "다시 시작"

dlls/shell32/shell32_No.rc

@@ -172,8 +172,12 @@ STRINGTABLE DISCARDABLE
 	IDS_TRASHFOLDER_TEXT "Virkelig legge %1 og alt innholdet i papirkurven?"
 	IDS_TRASHMULTIPLE_TEXT "Virkelig legge disse %1 valgte elementene i papirkurven?"
 	IDS_CANTTRASH_TEXT "Elementet %1 kan ikke legges i papirkurven. Vil du slette det i stedet?"
-	IDS_OVERWRITEFILE_TEXT "Overskrive filen %1?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Bekreft overskriving av fil"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
         /* message box strings */
         IDS_RESTART_TITLE       "Starte p nytt"

dlls/shell32/shell32_Pl.rc

@@ -173,8 +173,12 @@ STRINGTABLE DISCARDABLE
 	IDS_TRASHFOLDER_TEXT "Czy jeste pewien, e chcesz umieci folder '%1' i ca jego zawarto w koszu"
 	IDS_TRASHMULTIPLE_TEXT "Elementw: %1 - czy na pewno chcesz je umieci w Koszu?"
 	IDS_CANTTRASH_TEXT "Nie mog przenie elementu '%1' do Kosza. Czy chcesz go zamiast tego usun?"
-	IDS_OVERWRITEFILE_TEXT "Zastpi plik %1?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Potwierd zastpienie pliku"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
         /* message box strings */
         IDS_RESTART_TITLE       "Uruchom ponownie"

dlls/shell32/shell32_Pt.rc

@@ -256,8 +256,12 @@ STRINGTABLE DISCARDABLE
 	IDS_DELETEFOLDER_CAPTION "Confirmar excluso de pasta"
 	IDS_DELETEITEM_TEXT "Voc tem certeza que deseja excluir '%1'?"
 	IDS_DELETEMULTIPLE_TEXT "Voc tem certeza que deseja excluir estes %1 itens?"
-	IDS_OVERWRITEFILE_TEXT "Sobreescrever arquivo %1?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Confirmar sobreescrever arquivo"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
         /* message box strings */
 	IDS_RESTART_TITLE       "Reiniciar"

dlls/shell32/shell32_Ru.rc

@@ -165,8 +165,12 @@ STRINGTABLE DISCARDABLE
     IDS_DELETEFOLDER_CAPTION	"  "
     IDS_DELETEITEM_TEXT		" '%1'?"
     IDS_DELETEMULTIPLE_TEXT	"   (%1?"
-    IDS_OVERWRITEFILE_TEXT	" () %1?"
+    IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
     IDS_OVERWRITEFILE_CAPTION	"  "
+    IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
     /* message box strings */
     IDS_RESTART_TITLE		""

dlls/shell32/shell32_Tr.rc

@@ -172,8 +172,12 @@ STRINGTABLE DISCARDABLE
         IDS_TRASHFOLDER_TEXT "'%1' adl eyi ve tm ieriini pe gndermek istediinizden emin misiniz?"
         IDS_TRASHMULTIPLE_TEXT "Bu %1 eyi pe gndermek istediinizden emin misiniz?"
         IDS_CANTTRASH_TEXT "'%1' adl e pe gnderilemiyor. Tamamen silmek ister misiniz?"
-	IDS_OVERWRITEFILE_TEXT "%1 dosyasnn zerine yazmak istiyor musunuz?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "Dosya zerine Yazmay Onayla"
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 
         /* message box strings */
         IDS_RESTART_TITLE       "Yeniden Balat"

dlls/shell32/shell32_Uk.rc

@@ -161,8 +161,12 @@ STRINGTABLE DISCARDABLE
 	IDS_DELETEFOLDER_CAPTION "ϳ  "
 	IDS_DELETEITEM_TEXT " ,    '%1'?"
 	IDS_DELETEMULTIPLE_TEXT " ,     %1 ()?"
-	IDS_OVERWRITEFILE_TEXT "  %1?"
+	IDS_OVERWRITEFILE_TEXT "This folder already contains a file called '%1'.\n\nDo you want to replace it?"
 	IDS_OVERWRITEFILE_CAPTION "ϳ  "
+	IDS_OVERWRITEFOLDER_TEXT "This folder already contains a folder named '%1'.\n\n"\
+	    "If the files in the destination folder have the same names as files in the\n"\
+	    "selected folder they will be replaced. Do you still want to move or copy\n"\
+	    "the folder?"
 }
 
 /*	columns in the shellview	*/

dlls/shell32/shell32_main.h

@@ -153,9 +153,10 @@ void FreeChangeNotifications(void);
 #define ASK_TRASH_FOLDER          8
 #define ASK_TRASH_MULTIPLE_ITEM   9
 #define ASK_CANT_TRASH_ITEM      10
+#define ASK_OVERWRITE_FOLDER     11
 
 BOOL SHELL_DeleteDirectoryW(HWND hwnd, LPCWSTR pwszDir, BOOL bShowUI);
-BOOL SHELL_ConfirmDialogW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir);
+BOOL SHELL_ConfirmYesNoW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir);
 
 /* 16-bit functions */
 void        WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b);

dlls/shell32/shfldr_unixfs.c

@@ -1829,7 +1829,7 @@ static HRESULT UNIXFS_delete_with_syscalls(UnixFolder *This, UINT cidl, LPCITEMI
     static const WCHAR empty[] = {0};
     int i;
     
-    if (!SHELL_ConfirmDialogW(GetActiveWindow(), ASK_DELETE_SELECTED, empty))
+    if (!SHELL_ConfirmYesNoW(GetActiveWindow(), ASK_DELETE_SELECTED, empty))
         return S_OK;
     
     lstrcpyA(szAbsolute, This->m_pszPath);

dlls/shell32/shlfileop.c

@@ -27,6 +27,7 @@
 #include <stdarg.h>
 #include <string.h>
 #include <ctype.h>
+#include <assert.h>
 
 #include "windef.h"
 #include "winbase.h"
@@ -65,6 +66,14 @@ static DWORD SHNotifyMoveFileW(LPCWSTR src, LPCWSTR dest);
 static DWORD SHNotifyCopyFileW(LPCWSTR src, LPCWSTR dest, BOOL bFailIfExists);
 static DWORD SHFindAttrW(LPCWSTR pName, BOOL fileOnly);
 
+typedef struct
+{
+    SHFILEOPSTRUCTW *req;
+    DWORD dwYesToAllMask;
+    BOOL bManyItems;
+    BOOL bCancelled;
+} FILE_OPERATION;
+
 /* Confirm dialogs with an optional "Yes To All" as used in file operations confirmations
  */
 static const WCHAR CONFIRM_MSG_PROP[] = {'W','I','N','E','_','C','O','N','F','I','R','M',0};
@@ -250,22 +259,32 @@ static BOOL SHELL_ConfirmIDs(int nKindOfDialog, SHELL_ConfirmIDstruc *ids)
             ids->icon_resource_id = IDI_WARNING;
 	    ids->caption_resource_id  = IDS_OVERWRITEFILE_CAPTION;
 	    ids->text_resource_id  = IDS_OVERWRITEFILE_TEXT;
-	    return TRUE;
+            return TRUE;
+	  case ASK_OVERWRITE_FOLDER:
+            ids->hIconInstance = NULL;
+            ids->icon_resource_id = IDI_WARNING;
+            ids->caption_resource_id  = IDS_OVERWRITEFILE_CAPTION;
+            ids->text_resource_id  = IDS_OVERWRITEFOLDER_TEXT;
+            return TRUE;
 	  default:
 	    FIXME(" Unhandled nKindOfDialog %d stub\n", nKindOfDialog);
 	}
 	return FALSE;
 }
 
-BOOL SHELL_ConfirmDialogW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir)
+static BOOL SHELL_ConfirmDialogW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir, FILE_OPERATION *op)
 {
 	WCHAR szCaption[255], szText[255], szBuffer[MAX_PATH + 256];
 	SHELL_ConfirmIDstruc ids;
 	DWORD_PTR args[1];
 	HICON hIcon;
+	int ret;
 
-	if (!SHELL_ConfirmIDs(nKindOfDialog, &ids))
-	  return FALSE;
+        assert(nKindOfDialog >= 0 && nKindOfDialog < 32);
+        if (op && (op->dwYesToAllMask & (1 << nKindOfDialog)))
+            return IDYES;
+
+	assert(SHELL_ConfirmIDs(nKindOfDialog, &ids));
 
 	LoadStringW(shell32_hInstance, ids.caption_resource_id, szCaption, sizeof(szCaption)/sizeof(WCHAR));
 	LoadStringW(shell32_hInstance, ids.text_resource_id, szText, sizeof(szText)/sizeof(WCHAR));
@@ -275,7 +294,23 @@ BOOL SHELL_ConfirmDialogW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir)
 	               szText, 0, 0, szBuffer, sizeof(szBuffer), (va_list*)args);
         hIcon = LoadIconW(ids.hIconInstance, (LPWSTR)MAKEINTRESOURCE(ids.icon_resource_id));
 
-        return (IDYES == SHELL_ConfirmMsgBox(hWnd, szBuffer, szCaption, hIcon, FALSE));
+        ret = SHELL_ConfirmMsgBox(hWnd, szBuffer, szCaption, hIcon, op && op->bManyItems);
+        if (op) {
+            if (ret == IDD_YESTOALL) {
+                op->dwYesToAllMask |= (1 << nKindOfDialog);
+                ret = IDYES;
+            }
+            if (ret == IDCANCEL)
+                op->bCancelled = TRUE;
+            if (ret != IDYES)
+                op->req->fAnyOperationsAborted = TRUE;
+        }
+        return ret == IDYES;
+}
+
+BOOL SHELL_ConfirmYesNoW(HWND hWnd, int nKindOfDialog, LPCWSTR szDir)
+{
+    return SHELL_ConfirmDialogW(hWnd, nKindOfDialog, szDir, NULL);
 }
 
 static DWORD SHELL32_AnsiToUnicodeBuf(LPCSTR aPath, LPWSTR *wPath, DWORD minChars)
@@ -324,7 +359,7 @@ BOOL SHELL_DeleteDirectoryW(HWND hwnd, LPCWSTR pszDir, BOOL bShowUI)
 	if (hFind == INVALID_HANDLE_VALUE)
 	  return FALSE;
 
-	if (!bShowUI || (ret = SHELL_ConfirmDialogW(hwnd, ASK_DELETE_FOLDER, pszDir)))
+	if (!bShowUI || (ret = SHELL_ConfirmDialogW(hwnd, ASK_DELETE_FOLDER, pszDir, NULL)))
 	{
 	  do
 	  {
@@ -1047,7 +1082,7 @@ static void destroy_file_list(FILE_LIST *flList)
     HeapFree(GetProcessHeap(), 0, flList->feFiles);
 }
 
-static void copy_dir_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, LPWSTR szDestPath)
+static void copy_dir_to_dir(FILE_OPERATION *op, FILE_ENTRY *feFrom, LPWSTR szDestPath)
 {
     WCHAR szFrom[MAX_PATH], szTo[MAX_PATH];
     SHFILEOPSTRUCTW fileOp;
@@ -1062,22 +1097,48 @@ static void copy_dir_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, LPWS
     else
         lstrcpyW(szTo, szDestPath);
 
+    if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo)) {
+        if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FOLDER, feFrom->szFilename, op))
+        {
+            /* Vista returns an ERROR_CANCELLED even if user pressed "No" */
+            if (!op->bManyItems)
+                op->bCancelled = TRUE;
+            return;
+        }
+    }
+
     szTo[lstrlenW(szTo) + 1] = '\0';
     SHNotifyCreateDirectoryW(szTo, NULL);
 
     PathCombineW(szFrom, feFrom->szFullPath, wildCardFiles);
     szFrom[lstrlenW(szFrom) + 1] = '\0';
 
-    memcpy(&fileOp, lpFileOp, sizeof(fileOp));
+    memcpy(&fileOp, op->req, sizeof(fileOp));
     fileOp.pFrom = szFrom;
     fileOp.pTo = szTo;
     fileOp.fFlags &= ~FOF_MULTIDESTFILES; /* we know we're copying to one dir */
 
+    /* Don't ask the user about overwriting files when he accepted to overwrite the
+       folder. FIXME: this is not exactly what Windows does - e.g. there would be
+       an additional confirmation for a nested folder */
+    fileOp.fFlags |= FOF_NOCONFIRMATION;  
+
     SHFileOperationW(&fileOp);
 }
 
+static BOOL copy_file_to_file(FILE_OPERATION *op, WCHAR *szFrom, WCHAR *szTo)
+{
+    if (!(op->req->fFlags & FOF_NOCONFIRMATION) && PathFileExistsW(szTo))
+    {
+        if (!SHELL_ConfirmDialogW(op->req->hwnd, ASK_OVERWRITE_FILE, PathFindFileNameW(szTo), op))
+            return 0;
+    }
+    
+    return SHNotifyCopyFileW(szFrom, szTo, FALSE) == 0;
+}
+
 /* copy a file or directory to another directory */
-static void copy_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
+static void copy_to_dir(FILE_OPERATION *op, FILE_ENTRY *feFrom, FILE_ENTRY *feTo)
 {
     if (!PathFileExistsW(feTo->szFullPath))
         SHNotifyCreateDirectoryW(feTo->szFullPath, NULL);
@@ -1087,10 +1148,10 @@ static void copy_to_dir(LPSHFILEOPSTRUCTW lpFileOp, FILE_ENTRY *feFrom, FILE_ENT
         WCHAR szDestPath[MAX_PATH];
 
         PathCombineW(szDestPath, feTo->szFullPath, feFrom->szFilename);
-        SHNotifyCopyFileW(feFrom->szFullPath, szDestPath, FALSE);
+        copy_file_to_file(op, feFrom->szFullPath, szDestPath);
     }
-    else if (!(lpFileOp->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
-        copy_dir_to_dir(lpFileOp, feFrom, feTo->szFullPath);
+    else if (!(op->req->fFlags & FOF_FILESONLY && feFrom->bFromWildcard))
+        copy_dir_to_dir(op, feFrom, feTo->szFullPath);
 }
 
 static void create_dest_dirs(LPWSTR szDestDir)
@@ -1113,7 +1174,7 @@ static void create_dest_dirs(LPWSTR szDestDir)
 }
 
 /* the FO_COPY operation */
-static HRESULT copy_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LIST *flTo)
+static HRESULT copy_files(FILE_OPERATION *op, FILE_LIST *flFrom, FILE_LIST *flTo)
 {
     DWORD i;
     FILE_ENTRY *entryToCopy;
@@ -1123,13 +1184,13 @@ static HRESULT copy_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LI
     if (flFrom->bAnyDontExist)
         return ERROR_SHELL_INTERNAL_FILE_NOT_FOUND;
 
-    if (lpFileOp->fFlags & FOF_MULTIDESTFILES && flFrom->bAnyFromWildcard)
+    if (op->req->fFlags & FOF_MULTIDESTFILES && flFrom->bAnyFromWildcard)
         return ERROR_CANCELLED;
 
-    if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) && flTo->dwNumFiles != 1)
+    if (!(op->req->fFlags & FOF_MULTIDESTFILES) && flTo->dwNumFiles != 1)
         return ERROR_CANCELLED;
 
-    if (lpFileOp->fFlags & FOF_MULTIDESTFILES && flFrom->dwNumFiles != 1 &&
+    if (op->req->fFlags & FOF_MULTIDESTFILES && flFrom->dwNumFiles != 1 &&
         flFrom->dwNumFiles != flTo->dwNumFiles)
     {
         return ERROR_CANCELLED;
@@ -1145,11 +1206,11 @@ static HRESULT copy_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LI
     if (flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1 && fileDest->bFromRelative &&
         !PathFileExistsW(fileDest->szFullPath))
     {
-        lpFileOp->fAnyOperationsAborted = TRUE;
+        op->req->fAnyOperationsAborted = TRUE;
         return ERROR_CANCELLED;
     }
 
-    if (!(lpFileOp->fFlags & FOF_MULTIDESTFILES) && flFrom->dwNumFiles != 1 &&
+    if (!(op->req->fFlags & FOF_MULTIDESTFILES) && flFrom->dwNumFiles != 1 &&
         PathFileExistsW(fileDest->szFullPath) &&
         IsAttribFile(fileDest->attributes))
     {
@@ -1160,7 +1221,7 @@ static HRESULT copy_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LI
     {
         entryToCopy = &flFrom->feFiles[i];
 
-        if (lpFileOp->fFlags & FOF_MULTIDESTFILES)
+        if (op->req->fFlags & FOF_MULTIDESTFILES)
             fileDest = &flTo->feFiles[i];
 
         if (IsAttribDir(entryToCopy->attributes) &&
@@ -1185,22 +1246,28 @@ static HRESULT copy_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom, FILE_LI
         if ((flFrom->dwNumFiles > 1 && flTo->dwNumFiles == 1) ||
             (flFrom->dwNumFiles == 1 && IsAttribDir(fileDest->attributes)))
         {
-            copy_to_dir(lpFileOp, entryToCopy, fileDest);
+            copy_to_dir(op, entryToCopy, fileDest);
         }
         else if (IsAttribDir(entryToCopy->attributes))
         {
-            copy_dir_to_dir(lpFileOp, entryToCopy, fileDest->szFullPath);
+            copy_dir_to_dir(op, entryToCopy, fileDest->szFullPath);
         }
         else
         {
-            if (SHNotifyCopyFileW(entryToCopy->szFullPath, fileDest->szFullPath, TRUE))
+            if (!copy_file_to_file(op, entryToCopy->szFullPath, fileDest->szFullPath))
             {
-                lpFileOp->fAnyOperationsAborted = TRUE;
+                op->req->fAnyOperationsAborted = TRUE;
                 return ERROR_CANCELLED;
             }
         }
+
+        /* Vista return code. XP would return e.g. ERROR_FILE_NOT_FOUND, ERROR_ALREADY_EXISTS */
+        if (op->bCancelled)
+            return ERROR_CANCELLED;
     }
 
+    /* Vista return code. On XP if the used pressed "No" for the last item,
+     * ERROR_ARENA_TRASHED would be returned */
     return ERROR_SUCCESS;
 }
 
@@ -1212,16 +1279,16 @@ static BOOL confirm_delete_list(HWND hWnd, DWORD fFlags, BOOL fTrash, FILE_LIST
         const WCHAR format[] = {'%','d',0};
 
         wnsprintfW(tmp, sizeof(tmp)/sizeof(tmp[0]), format, flFrom->dwNumFiles);
-        return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_MULTIPLE_ITEM:ASK_DELETE_MULTIPLE_ITEM), tmp);
+        return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_MULTIPLE_ITEM:ASK_DELETE_MULTIPLE_ITEM), tmp, NULL);
     }
     else
     {
         FILE_ENTRY *fileEntry = &flFrom->feFiles[0];
 
         if (IsAttribFile(fileEntry->attributes))
-            return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FILE:ASK_DELETE_FILE), fileEntry->szFullPath);
+            return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FILE:ASK_DELETE_FILE), fileEntry->szFullPath, NULL);
         else if (!(fFlags & FOF_FILESONLY && fileEntry->bFromWildcard))
-            return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FOLDER:ASK_DELETE_FOLDER), fileEntry->szFullPath);
+            return SHELL_ConfirmDialogW(hWnd, (fTrash?ASK_TRASH_FOLDER:ASK_DELETE_FOLDER), fileEntry->szFullPath, NULL);
     }
     return TRUE;
 }
@@ -1265,7 +1332,7 @@ static HRESULT delete_files(LPSHFILEOPSTRUCTW lpFileOp, FILE_LIST *flFrom)
 
             /* Note: Windows silently deletes the file in such a situation, we show a dialog */
             if (!(lpFileOp->fFlags & FOF_NOCONFIRMATION) || (lpFileOp->fFlags & FOF_WANTNUKEWARNING))
-                bDelete = SHELL_ConfirmDialogW(lpFileOp->hwnd, ASK_CANT_TRASH_ITEM, fileEntry->szFullPath);
+                bDelete = SHELL_ConfirmDialogW(lpFileOp->hwnd, ASK_CANT_TRASH_ITEM, fileEntry->szFullPath, NULL);
             else
                 bDelete = TRUE;
 
@@ -1423,6 +1490,7 @@ static void check_flags(FILEOP_FLAGS fFlags)
  */
 int WINAPI SHFileOperationW(LPSHFILEOPSTRUCTW lpFileOp)
 {
+    FILE_OPERATION op;
     FILE_LIST flFrom, flTo;
     int ret = 0;
 
@@ -1440,10 +1508,14 @@ int WINAPI SHFileOperationW(LPSHFILEOPSTRUCTW lpFileOp)
     if (lpFileOp->wFunc != FO_DELETE)
         parse_file_list(&flTo, lpFileOp->pTo);
 
+    ZeroMemory(&op, sizeof(op));
+    op.req = lpFileOp;
+    op.bManyItems = (flFrom.dwNumFiles > 1);
+
     switch (lpFileOp->wFunc)
     {
         case FO_COPY:
-            ret = copy_files(lpFileOp, &flFrom, &flTo);
+            ret = copy_files(&op, &flFrom, &flTo);
             break;
         case FO_DELETE:
             ret = delete_files(lpFileOp, &flFrom);

dlls/shell32/shresdef.h

@@ -92,6 +92,7 @@
 #define IDS_TRASHITEM_TEXT          138
 #define IDS_TRASHMULTIPLE_TEXT      139
 #define IDS_CANTTRASH_TEXT          140
+#define IDS_OVERWRITEFOLDER_TEXT    141
 
 /* Note: this string is referenced from the registry*/
 #define IDS_RECYCLEBIN_FOLDER_NAME   8964

dlls/shell32/tests/shlfileop.c

@@ -63,6 +63,21 @@ static BOOL file_exists(const CHAR *name)
     return GetFileAttributesA(name) != INVALID_FILE_ATTRIBUTES;
 }
 
+static BOOL file_has_content(const CHAR *name, const CHAR *content)
+{
+    CHAR buf[MAX_PATH];
+    HANDLE file;
+    DWORD read;
+
+    file = CreateFileA(name, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
+    if (file == INVALID_HANDLE_VALUE)
+        return FALSE;
+    ReadFile(file, buf, MAX_PATH - 1, &read, NULL);
+    buf[read] = 0;
+    CloseHandle(file);
+    return strcmp(buf, content)==0;
+}
+
 /* initializes the tests */
 static void init_shfo_tests(void)
 {
@@ -92,6 +107,7 @@ static void clean_after_shfo_tests(void)
     DeleteFileA("test2.txt");
     DeleteFileA("test3.txt");
     DeleteFileA("test_5.txt");
+    DeleteFileA("one.txt");
     DeleteFileA("test4.txt\\test1.txt");
     DeleteFileA("test4.txt\\test2.txt");
     DeleteFileA("test4.txt\\test3.txt");
@@ -761,6 +777,45 @@ static void test_copy(void)
     ok(retval == 1026, "Expected 1026, got %d\n", retval);
     ok(!file_exists("nonexistent\\e.txt"), "Expected nonexistent\\e.txt to not exist\n");
     ok(!file_exists("nonexistent"), "Expected nonexistent to not exist\n");
+
+    /* Overwrite tests */
+    clean_after_shfo_tests();
+    init_shfo_tests();
+    shfo.fFlags = FOF_NOCONFIRMATION;
+    shfo.pFrom = "test1.txt\0";
+    shfo.pTo = "test2.txt\0";
+    shfo.fAnyOperationsAborted = FALSE;
+    /* without FOF_NOCOFIRMATION the confirmation is Yes/No */
+    retval = SHFileOperation(&shfo);
+    ok(retval == 0, "Expected 0, got %d\n", retval);
+    ok(file_has_content("test2.txt", "test1.txt\n"), "The file was not copied\n");
+
+    shfo.pFrom = "test3.txt\0test1.txt\0";
+    shfo.pTo = "test2.txt\0one.txt\0";
+    shfo.fFlags = FOF_NOCONFIRMATION | FOF_MULTIDESTFILES;
+    /* without FOF_NOCOFIRMATION the confirmation is Yes/Yes to All/No/Cancel */
+    retval = SHFileOperation(&shfo);
+    ok(retval == 0, "Expected 0, got %d\n", retval);
+    ok(file_has_content("test2.txt", "test3.txt\n"), "The file was not copied\n");
+
+    shfo.pFrom = "one.txt\0";
+    shfo.pTo = "testdir2\0";
+    shfo.fFlags = FOF_NOCONFIRMATION;
+    /* without FOF_NOCOFIRMATION the confirmation is Yes/No */
+    retval = SHFileOperation(&shfo);
+    ok(retval == 0, "Expected 0, got %d\n", retval);
+    ok(file_has_content("testdir2\\one.txt", "test1.txt\n"), "The file was not copied\n");
+
+    createTestFile("test4.txt\\test1.txt");
+    shfo.pFrom = "test4.txt\0";
+    shfo.pTo = "testdir2\0";
+    shfo.fFlags = FOF_NOCONFIRMATION;
+    ok(!SHFileOperation(&shfo), "First SHFileOperation failed\n");
+    createTestFile("test4.txt\\.\\test1.txt"); /* modify the content of the file */
+    /* without FOF_NOCOFIRMATION the confirmation is "This folder already contains a folder named ..." */
+    retval = SHFileOperation(&shfo);
+    ok(retval == 0, "Expected 0, got %d\n", retval);
+    ok(file_has_content("testdir2\\test4.txt\\test1.txt", "test4.txt\\.\\test1.txt\n"), "The file was not copied\n");
 }
 
 /* tests the FO_MOVE action */