comdlg32: Implement CDM_GETFOLDERIDLIST.

dlls/comdlg32/cdlg.h

@@ -177,6 +177,7 @@ extern LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILCombine)(LPCITEMIDLIST,LPCITEMIDLIS
 extern LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILGetNext)(LPITEMIDLIST);
 extern BOOL (WINAPI *COMDLG32_PIDL_ILRemoveLastID)(LPCITEMIDLIST);
 extern BOOL (WINAPI *COMDLG32_PIDL_ILIsEqual)(LPCITEMIDLIST, LPCITEMIDLIST);
+extern UINT (WINAPI *COMDLG32_PIDL_ILGetSize)(LPCITEMIDLIST);
 
 /* SHELL */
 extern LPVOID (WINAPI *COMDLG32_SHAlloc)(DWORD);

dlls/comdlg32/cdlg32.c

@@ -47,6 +47,7 @@ LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILCombine)(LPCITEMIDLIST,LPCITEMIDLIST);
 LPITEMIDLIST (WINAPI *COMDLG32_PIDL_ILGetNext)(LPITEMIDLIST);
 BOOL (WINAPI *COMDLG32_PIDL_ILRemoveLastID)(LPCITEMIDLIST);
 BOOL (WINAPI *COMDLG32_PIDL_ILIsEqual)(LPCITEMIDLIST, LPCITEMIDLIST);
+UINT (WINAPI *COMDLG32_PIDL_ILGetSize)(LPCITEMIDLIST);
 
 /* SHELL */
 LPVOID (WINAPI *COMDLG32_SHAlloc)(DWORD);
@@ -95,6 +96,7 @@ BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD Reason, LPVOID Reserved)
 		GPA(COMDLG32_PIDL_ILGetNext, SHELL32_hInstance, (LPCSTR)153L);
 		GPA(COMDLG32_PIDL_ILClone, SHELL32_hInstance, (LPCSTR)18L);
 		GPA(COMDLG32_PIDL_ILRemoveLastID, SHELL32_hInstance, (LPCSTR)17L);
+		GPA(COMDLG32_PIDL_ILGetSize, SHELL32_hInstance, (LPCSTR)152L);
 
 		/* SHELL */
 

dlls/comdlg32/filedlg.c

@@ -928,6 +928,12 @@ static INT_PTR FILEDLG95_HandleCustomDialogMessages(HWND hwnd, UINT uMsg, WPARAM
             retval = lstrlenW(lpstrPath);
             break;
 
+        case CDM_GETFOLDERIDLIST:
+            retval = COMDLG32_PIDL_ILGetSize(fodInfos->ShellInfos.pidlAbsCurrent);
+            if (retval <= wParam)
+                memcpy((void*)lParam, fodInfos->ShellInfos.pidlAbsCurrent, retval);
+            break;
+
         case CDM_GETSPEC:
             TRACE("CDM_GETSPEC:\n");
             retval = SendMessageW(fodInfos->DlgInfos.hwndFileName, WM_GETTEXTLENGTH, 0, 0) + 1;

dlls/comdlg32/tests/filedlg.c

@@ -35,6 +35,16 @@ static UINT CALLBACK OFNHookProc( HWND hDlg, UINT msg, WPARAM wParam, LPARAM lPa
         if( nmh->code == CDN_INITDONE)
         {
             PostMessage( GetParent(hDlg), WM_COMMAND, IDCANCEL, FALSE);
+        } else if (nmh->code == CDN_FOLDERCHANGE )
+        {
+            char buf[1024];
+            int ret;
+
+            memset(buf, 0x66, sizeof(buf));
+            ret = SendMessage( GetParent(hDlg), CDM_GETFOLDERIDLIST, 5, (LPARAM)buf);
+            ok(ret > 0, "CMD_GETFOLDERIDLIST not implemented\n");
+            if (ret > 5)
+                ok(buf[0] == 0x66 && buf[1] == 0x66, "CMD_GETFOLDERIDLIST: The buffer was touched on failure\n");
         }
     }
 
@@ -47,6 +57,9 @@ static void test_DialogCancel(void)
     OPENFILENAMEA ofn;
     BOOL result;
     char szFileName[MAX_PATH] = "";
+    char szInitialDir[MAX_PATH];
+
+    GetWindowsDirectory(szInitialDir, MAX_PATH);
 
     ZeroMemory(&ofn, sizeof(ofn));
 
@@ -58,6 +71,7 @@ static void test_DialogCancel(void)
     ofn.Flags = OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY | OFN_ENABLEHOOK;
     ofn.lpstrDefExt = "txt";
     ofn.lpfnHook = (LPOFNHOOKPROC) OFNHookProc;
+    ofn.lpstrInitialDir = szInitialDir;
 
     PrintDlgA(NULL);
     ok(CDERR_INITIALIZATION == CommDlgExtendedError(), "expected %d, got %d\n",

include/commdlg.h

@@ -435,7 +435,7 @@ static const WCHAR HELPMSGSTRINGW[] = { 'c','o','m','m','d','l','g','_',
 #define CDM_GETSPEC             (CDM_FIRST + 0x0000)
 #define CDM_GETFILEPATH         (CDM_FIRST + 0x0001)
 #define CDM_GETFOLDERPATH       (CDM_FIRST + 0x0002)
-#define CDM_GETFOLDERLIST       (CDM_FIRST + 0x0003)
+#define CDM_GETFOLDERIDLIST     (CDM_FIRST + 0x0003)
 #define CDM_SETCONTROLTEXT      (CDM_FIRST + 0x0004)
 #define CDM_HIDECONTROL         (CDM_FIRST + 0x0005)
 #define CDM_SETDEFEXT           (CDM_FIRST + 0x0006)