fix several bugs in index/position translation code between wx and MSW

[wxWidgets.git] / src / msw / ole / automtn.cpp

diff --git a/src/msw/ole/automtn.cpp b/src/msw/ole/automtn.cpp
index 0a80f775cb8347daf9aa7bd3deff6c8a9bd4a360..d10484a938e117c22f427a77e8aa34b3c68fcceb 100644 (file)
--- a/src/msw/ole/automtn.cpp
+++ b/src/msw/ole/automtn.cpp
@@ -538,8 +538,13 @@ bool wxAutomationObject::CreateInstance(const wxString& classId) const
         return false;
     }
 
         return false;
     }
 

-    // start a new copy of Excel, grab the IDispatch interface
-    if (FAILED(CoCreateInstance(clsId, NULL, CLSCTX_LOCAL_SERVER, IID_IDispatch, (void**)&m_dispatchPtr)))
+    // get the server IDispatch interface
+    //
+    // NB: using CLSCTX_INPROC_HANDLER results in failure when getting
+    //     Automation interface for Microsoft Office applications so don't use
+    //     CLSCTX_ALL which includes it
+    if (FAILED(CoCreateInstance(clsId, NULL, CLSCTX_SERVER, IID_IDispatch,
+                                (void**)&m_dispatchPtr)))

     {
         wxLogWarning(wxT("Cannot start an instance of this class."));
         return false;
     {
         wxLogWarning(wxT("Cannot start an instance of this class."));
         return false;


@@ -671,113 +676,149 @@ WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& ole
 #define VT_TYPEMASK 0xfff
 #endif
 
 #define VT_TYPEMASK 0xfff
 #endif
 

-WXDLLEXPORT bool wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant)
+WXDLLEXPORT bool
+wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant)

 {
 {

-    switch (oleVariant.vt & VT_TYPEMASK)
+    bool ok = true;
+    if ( oleVariant.vt & VT_ARRAY )

     {
     {

-    case VT_BSTR:
-        {
-            wxString str(wxConvertStringFromOle(oleVariant.bstrVal));
-            variant = str;
-            break;
-        }
-    case VT_DATE:
-        {
-#if wxUSE_DATETIME
-            unsigned short dosDate = 0;
-            unsigned short dosTime = 0;
-            VariantTimeToDosDateTime(oleVariant.date, & dosDate, & dosTime);
-
-            long dosDateTime = (dosDate << 16) | dosTime;
-            wxDateTime date;
-            date.SetFromDOS(dosDateTime);
-            variant = date;
-#endif
-            break;
-        }
-    case VT_I4:
-        {
-            variant = (long) oleVariant.lVal;
-            break;
-        }
-    case VT_I2:
-        {
-            variant = (long) oleVariant.iVal;
-            break;
-        }

 
 

-    case VT_BOOL:
+        // Compute the total number of elements in all array dimensions
+        int cElements = 1;
+        for ( int cDims = 0; cDims < oleVariant.parray->cDims; cDims++ )
+            cElements *= oleVariant.parray->rgsabound[cDims].cElements;
+
+        // Get a pointer to the data
+        void* pvdata;
+        HRESULT hr = SafeArrayAccessData(oleVariant.parray, &pvdata);
+        if ( FAILED(hr) )
+            return false;
+
+        switch (oleVariant.vt & VT_TYPEMASK)

         {
         {

-#if (defined(_MSC_VER) && (_MSC_VER <= 1000) && !defined(__MWERKS__) ) //GC
-#ifndef HAVE_BOOL // Can't use bool operator if no native bool type
-            variant = (long) (oleVariant.bool != 0);
-#else
-            variant = (bool) (oleVariant.bool != 0);
-#endif
-#else
-#ifndef HAVE_BOOL // Can't use bool operator if no native bool type
-            variant = (long) (oleVariant.boolVal != 0);
-#else
-            variant = (bool) (oleVariant.boolVal != 0);
-#endif
-#endif
-            break;
+            case VT_VARIANT:
+                {
+                    variant.ClearList();
+                    VARIANTARG *variant_data=(VARIANTARG*)pvdata;
+                    for ( int i = 0; i < cElements; i++ )
+                    {
+                        VARIANTARG& oleElement = variant_data[i];
+                        wxVariant vElement;
+                        if ( !wxConvertOleToVariant(oleElement, vElement) )
+                        {
+                            ok = false;
+                            variant.ClearList();
+                            break;
+                        }
+
+                        variant.Append(vElement);
+                    }
+                }
+                break;
+
+            case VT_BSTR:
+                {
+                    wxArrayString strings;
+                    BSTR *string_val=(BSTR*)pvdata;
+                    for ( int i = 0; i < cElements; ++i )
+                    {
+                        wxString str=wxConvertStringFromOle(*string_val);
+                        strings.Add(str);
+                        ++string_val;
+                    }
+                    variant=strings;
+                }
+                break;
+
+            default:
+                wxLogDebug(_T("unhandled VT_ARRAY type %x in wxConvertOleToVariant"),
+                           oleVariant.vt & VT_TYPEMASK);
+                variant = wxVariant();
+                ok = false;
+                break;

         }
         }

-    case VT_R8:
+
+        SafeArrayUnaccessData(oleVariant.parray);
+    }
+    else if ( oleVariant.vt & VT_BYREF )
+    {
+        switch ( oleVariant.vt & VT_TYPEMASK )

         {
         {

-            variant = oleVariant.dblVal;
-            break;
+            case VT_VARIANT:
+                {
+                    VARIANTARG& oleReference = *((LPVARIANT)oleVariant.byref);
+                    if (!wxConvertOleToVariant(oleReference,variant))
+                        return false;
+                    break;
+                }
+
+            default:
+                wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: [as yet] unhandled reference %X"),
+                            oleVariant.vt);
+                return false;

         }
         }

-    case VT_ARRAY:
+    }
+    else // simply type (not array or reference)
+    {
+        switch ( oleVariant.vt & VT_TYPEMASK )

         {
         {

-            variant.ClearList();
+            case VT_BSTR:
+                {
+                    wxString str(wxConvertStringFromOle(oleVariant.bstrVal));
+                    variant = str;
+                }
+                break;

 
 

-            int cDims, cElements, i;
-            VARIANTARG* pvdata;
+            case VT_DATE:
+#if wxUSE_DATETIME
+                {
+                    unsigned short dosDate = 0;
+                    unsigned short dosTime = 0;
+                    VariantTimeToDosDateTime(oleVariant.date, & dosDate, & dosTime);
+
+                    long dosDateTime = (dosDate << 16) | dosTime;
+                    wxDateTime date;
+                    date.SetFromDOS(dosDateTime);
+                    variant = date;
+                }
+#endif // wxUSE_DATETIME
+                break;

 
 

-            // Iterate the dimensions: number of elements is x*y*z
-            for (cDims = 0, cElements = 1;
-                cDims < oleVariant.parray->cDims; cDims ++)
-                    cElements *= oleVariant.parray->rgsabound[cDims].cElements;
+            case VT_I4:
+                variant = (long) oleVariant.lVal;
+                break;

 
 

-            // Get a pointer to the data
-            HRESULT hr = SafeArrayAccessData(oleVariant.parray, (void HUGEP* FAR*) & pvdata);
-            if (hr != NOERROR)
-                return false;
-            // Iterate the data.
-            for (i = 0; i < cElements; i++)
-            {
-                VARIANTARG& oleElement = pvdata[i];
-                wxVariant vElement;
-                if (!wxConvertOleToVariant(oleElement, vElement))
-                    return false;
+            case VT_I2:
+                variant = (long) oleVariant.iVal;
+                break;

 
 

-                variant.Append(vElement);
-            }
-            SafeArrayUnaccessData(oleVariant.parray);
-            break;
-        }
-    case VT_DISPATCH:
-        {
-            variant = (void*) oleVariant.pdispVal;
-            break;
-        }
-    case VT_NULL:
-        {
-            variant.MakeNull();
-            break;
-        }
-    case VT_EMPTY:
-        {
-            break;    // Ignore Empty Variant, used only during destruction of objects
-        }
-    default:
-        {
-            wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: Unknown variant value type"));
-            return false;
+            case VT_BOOL:
+                variant = oleVariant.boolVal != 0;
+                break;
+
+            case VT_R8:
+                variant = oleVariant.dblVal;
+                break;
+
+            case VT_DISPATCH:
+                variant = (void*) oleVariant.pdispVal;
+                break;
+
+            case VT_NULL:
+                variant.MakeNull();
+                break;
+
+            case VT_EMPTY:
+                break;    // Ignore Empty Variant, used only during destruction of objects
+
+            default:
+                wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: Unknown variant value type %X -> %X"),
+                           oleVariant.vt,oleVariant.vt&VT_TYPEMASK);
+                return false;

         }
     }
         }
     }

-    return true;
+
+    return ok;

 }
 
 /*
 }
 
 /*


@@ -861,6 +902,7 @@ static void ReleaseVariant(VARIANTARG *pvarg)
             case VT_R8:
             case VT_ERROR:        // to avoid erroring on an error return from Excel
             case VT_EMPTY:
             case VT_R8:
             case VT_ERROR:        // to avoid erroring on an error return from Excel
             case VT_EMPTY:

+            case VT_DATE:

                 // no work for these types
                 break;
 
                 // no work for these types
                 break;