comctl32: Improve the stub of TaskDialogIndirect to display a simple message box…

dlls/comctl32/commctrl.c

@@ -1696,9 +1696,34 @@ int WINAPI DrawShadowText(HDC hdc, LPCWSTR pszText, UINT cch, RECT *rect, DWORD
 HRESULT WINAPI TaskDialogIndirect(const TASKDIALOGCONFIG *pTaskConfig, int *pnButton,
                                   int *pnRadioButton, BOOL *pfVerificationFlagChecked)
 {
+    UINT uType = 0;
+    INT  ret;
     FIXME("%p, %p, %p, %p\n", pTaskConfig, pnButton, pnRadioButton, pfVerificationFlagChecked);
 
-    if (pnButton) *pnButton = IDYES;
+    if (pTaskConfig->dwCommonButtons & TDCBF_YES_BUTTON &&
+        pTaskConfig->dwCommonButtons & TDCBF_NO_BUTTON &&
+        pTaskConfig->dwCommonButtons & TDCBF_CANCEL_BUTTON)
+        uType |= MB_YESNOCANCEL;
+    else
+    if (pTaskConfig->dwCommonButtons & TDCBF_YES_BUTTON &&
+        pTaskConfig->dwCommonButtons & TDCBF_NO_BUTTON)
+        uType |= MB_YESNO;
+    else
+    if (pTaskConfig->dwCommonButtons & TDCBF_RETRY_BUTTON &&
+        pTaskConfig->dwCommonButtons & TDCBF_CANCEL_BUTTON)
+        uType |= MB_RETRYCANCEL;
+    else
+    if (pTaskConfig->dwCommonButtons & TDCBF_OK_BUTTON &&
+        pTaskConfig->dwCommonButtons & TDCBF_CANCEL_BUTTON)
+        uType |= MB_OKCANCEL;
+    else
+    if (pTaskConfig->dwCommonButtons & TDCBF_OK_BUTTON)
+        uType |= MB_OK;
+    ret = MessageBoxW(pTaskConfig->hwndParent, pTaskConfig->pszMainInstruction,
+                      pTaskConfig->pszWindowTitle, uType);
+    FIXME("dwCommonButtons=%x uType=%x ret=%x\n", pTaskConfig->dwCommonButtons, uType, ret);
+
+    if (pnButton) *pnButton = ret;
     if (pnRadioButton) *pnRadioButton = pTaskConfig->nDefaultButton;
     if (pfVerificationFlagChecked) *pfVerificationFlagChecked = TRUE;
     return S_OK;