X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/94113cc55572d23b2c86b9140543d32858c1eee6..d6d857b12404a9e50bebdd8d143a547b72332f2d:/src/msw/ole/automtn.cpp

diff --git a/src/msw/ole/automtn.cpp b/src/msw/ole/automtn.cpp
index 2a64cb87c1..cf05e1e910 100644
--- a/src/msw/ole/automtn.cpp
+++ b/src/msw/ole/automtn.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        automtn.cpp
+// Name:        src/msw/ole/automtn.cpp
 // Purpose:     OLE automation utilities
 // Author:      Julian Smart
 // Modified by:
@@ -13,21 +13,24 @@
 #include "wx/wxprec.h"
 
 #if defined(__BORLANDC__)
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#include "wx/defs.h"
-
-// Watcom C++ gives a linker error if this is compiled in.
 // With Borland C++, all samples crash if this is compiled in.
-#if wxUSE_OLE && !(defined(__BORLANDC__) && (__BORLANDC__ < 0x520)) && !defined(__CYGWIN10__)
+#if (defined(__BORLANDC__) && (__BORLANDC__ < 0x520)) || defined(__CYGWIN10__)
+    #undef wxUSE_OLE_AUTOMATION
+    #define wxUSE_OLE_AUTOMATION 0
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/math.h"
+#endif
 
 #define _FORCENAMELESSUNION
-#include "wx/log.h"
 #include "wx/msw/private.h"
 #include "wx/msw/ole/oleutils.h"
 #include "wx/msw/ole/automtn.h"
-#include "wx/math.h"
 
 #ifdef __WXWINCE__
 #include "wx/msw/wince/time.h"
@@ -49,12 +52,12 @@
 
 #if wxUSE_DATETIME
 #include "wx/datetime.h"
-#endif // wxUSE_TIMEDATE
+#endif // wxUSE_DATETIME
 
-static void ClearVariant(VARIANTARG *pvarg) ;
-static void ReleaseVariant(VARIANTARG *pvarg) ;
 // static void ShowException(LPOLESTR szMember, HRESULT hr, EXCEPINFO *pexcep, unsigned int uiArgErr);
 
+#if wxUSE_OLE_AUTOMATION
+
 /*
  * wxAutomationObject
  */
@@ -90,7 +93,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     {
         // Use dot notation to get the next object
         wxString member2(nonConstMember.Left((size_t) ch));
-        wxString rest(nonConstMember.Right(nonConstMember.Length() - ch - 1));
+        wxString rest(nonConstMember.Right(nonConstMember.length() - ch - 1));
         wxAutomationObject obj;
         if (!GetObject(obj, member2))
             return false;
@@ -98,7 +101,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     }
 
     VARIANTARG vReturn;
-    ClearVariant(& vReturn);
+    VariantInit(& vReturn);
 
     VARIANTARG* vReturnPtr = & vReturn;
 
@@ -134,7 +137,6 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     HRESULT hr;
     DISPPARAMS dispparams;
     unsigned int uiArgErr;
-    EXCEPINFO excep;
 
     // Get the IDs for the member and its arguments.  GetIDsOfNames expects the
     // member name as the first name, followed by argument names (if any).
@@ -154,7 +156,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     {
         namedArgCount = 1;
         dispIds[1] = DISPID_PROPERTYPUT;
-        vReturnPtr = (VARIANTARG*) NULL;
+        vReturnPtr = NULL;
     }
 
     // Convert the wxVariants to VARIANTARGs
@@ -176,7 +178,8 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     dispparams.cArgs = noArgs;
     dispparams.cNamedArgs = namedArgCount;
 
-    excep.pfnDeferredFillIn = NULL;
+    EXCEPINFO excep;
+    wxZeroMemory(excep);
 
     hr = ((IDispatch*)m_dispatchPtr)->Invoke(dispIds[0], IID_NULL, LOCALE_SYSTEM_DEFAULT,
                         (WORD)action, &dispparams, vReturnPtr, &excep, &uiArgErr);
@@ -189,7 +192,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
     delete[] dispIds;
 
     for (i = 0; i < noArgs; i++)
-        ReleaseVariant(& oleArgs[i]) ;
+        VariantClear(& oleArgs[i]) ;
     delete[] oleArgs;
 
     if (FAILED(hr))
@@ -203,7 +206,7 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
         SysFreeString(excep.bstrHelpFile);
 
         if (vReturnPtr)
-            ReleaseVariant(vReturnPtr);
+            VariantClear(vReturnPtr);
         return false;
     }
     else
@@ -215,9 +218,9 @@ bool wxAutomationObject::Invoke(const wxString& member, int action,
             // Mustn't release the dispatch pointer
             if (vReturn.vt == VT_DISPATCH)
             {
-                vReturn.pdispVal = (IDispatch*) NULL;
+                vReturn.pdispVal = NULL;
             }
-            ReleaseVariant(& vReturn);
+            VariantClear(& vReturn);
         }
     }
     return true;
@@ -435,7 +438,7 @@ WXIDISPATCH* wxAutomationObject::GetDispatchProperty(const wxString& property, i
         }
     }
 
-    return (WXIDISPATCH*) NULL;
+    return NULL;
 }
 
 // Uses DISPATCH_PROPERTYGET
@@ -453,7 +456,7 @@ WXIDISPATCH* wxAutomationObject::GetDispatchProperty(const wxString& property, i
         }
     }
 
-    return (WXIDISPATCH*) NULL;
+    return NULL;
 }
 
 
@@ -493,7 +496,7 @@ bool wxAutomationObject::GetInstance(const wxString& classId) const
     CLSID clsId;
     IUnknown * pUnk = NULL;
 
-    wxBasicString unicodeName(classId.mb_str());
+    wxBasicString unicodeName(classId);
 
     if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId)))
     {
@@ -525,7 +528,7 @@ bool wxAutomationObject::CreateInstance(const wxString& classId) const
 
     CLSID clsId;
 
-    wxBasicString unicodeName(classId.mb_str());
+    wxBasicString unicodeName(classId);
 
     if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId)))
     {
@@ -533,8 +536,13 @@ bool wxAutomationObject::CreateInstance(const wxString& classId) const
         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;
@@ -543,328 +551,7 @@ bool wxAutomationObject::CreateInstance(const wxString& classId) const
     return true;
 }
 
-
-bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
-{
-    ClearVariant(&oleVariant);
-    if (variant.IsNull())
-    {
-        oleVariant.vt = VT_NULL;
-        return true;
-    }
-
-    wxString type(variant.GetType());
-
-
-    if (type == wxT("long"))
-    {
-        oleVariant.vt = VT_I4;
-        oleVariant.lVal = variant.GetLong() ;
-    }
-    // cVal not always present
-#ifndef __GNUWIN32__
-    else if (type == wxT("char"))
-    {
-        oleVariant.vt=VT_I1;            // Signed Char
-        oleVariant.cVal=variant.GetChar();
-    }
-#endif
-    else if (type == wxT("double"))
-    {
-        oleVariant.vt = VT_R8;
-        oleVariant.dblVal = variant.GetDouble();
-    }
-    else if (type == wxT("bool"))
-    {
-        oleVariant.vt = VT_BOOL;
-        // 'bool' required for VC++ 4 apparently
-#if (defined(__VISUALC__) && (__VISUALC__ <= 1000))
-        oleVariant.bool = variant.GetBool();
-#else
-        oleVariant.boolVal = variant.GetBool();
-#endif
-    }
-    else if (type == wxT("string"))
-    {
-        wxString str( variant.GetString() );
-        oleVariant.vt = VT_BSTR;
-        oleVariant.bstrVal = wxConvertStringToOle(str);
-    }
-#if wxUSE_DATETIME
-    else if (type == wxT("datetime"))
-    {
-        wxDateTime date( variant.GetDateTime() );
-        oleVariant.vt = VT_DATE;
-        
-        long dosDateTime = date.GetAsDOS();
-        short dosDate = (dosDateTime & 0xFFFF0000) >> 16;
-        short dosTime = dosDateTime & 0xFFFF;
-        
-        DosDateTimeToVariantTime(dosDate, dosTime, & oleVariant.date);
-    }
-#endif
-    else if (type == wxT("void*"))
-    {
-        oleVariant.vt = VT_DISPATCH;
-        oleVariant.pdispVal = (IDispatch*) variant.GetVoidPtr();
-    }
-    else if (type == wxT("list") || type == wxT("stringlist"))
-    {
-        oleVariant.vt = VT_VARIANT | VT_ARRAY;
-
-        SAFEARRAY *psa;
-        SAFEARRAYBOUND saBound;
-        VARIANTARG *pvargBase;
-        VARIANTARG *pvarg;
-        int i, j;
-
-        int iCount = variant.GetCount();
-
-        saBound.lLbound = 0;
-        saBound.cElements = iCount;
-
-        psa = SafeArrayCreate(VT_VARIANT, 1, &saBound);
-        if (psa == NULL)
-            return false;
-
-        SafeArrayAccessData(psa, (void**)&pvargBase);
-
-        pvarg = pvargBase;
-        for (i = 0; i < iCount; i++)
-        {
-            // copy each string in the list of strings
-            wxVariant eachVariant(variant[i]);
-            if (!wxConvertVariantToOle(eachVariant, * pvarg))
-            {
-                // memory failure:  back out and free strings alloc'ed up to
-                // now, and then the array itself.
-                pvarg = pvargBase;
-                for (j = 0; j < i; j++)
-                {
-                    SysFreeString(pvarg->bstrVal);
-                    pvarg++;
-                }
-                SafeArrayDestroy(psa);
-                return false;
-            }
-            pvarg++;
-        }
-
-        SafeArrayUnaccessData(psa);
-
-        oleVariant.parray = psa;
-    }
-    else
-    {
-        oleVariant.vt = VT_NULL;
-        return false;
-    }
-    return true;
-}
-
-#ifndef VT_TYPEMASK
-#define VT_TYPEMASK 0xfff
-#endif
-
-bool wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant)
-{
-    switch (oleVariant.vt & VT_TYPEMASK)
-    {
-    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:
-        {
-#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_R8:
-        {
-            variant = oleVariant.dblVal;
-            break;
-        }
-    case VT_ARRAY:
-        {
-            variant.ClearList();
-
-            int cDims, cElements, i;
-            VARIANTARG* pvdata;
-
-            // 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;
-
-            // 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;
-
-                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;
-        }
-    }
-    return true;
-}
-
-/*
- *  ClearVariant
- *
- *  Zeros a variant structure without regard to current contents
- */
-static void ClearVariant(VARIANTARG *pvarg)
-{
-    pvarg->vt = VT_EMPTY;
-    pvarg->wReserved1 = 0;
-    pvarg->wReserved2 = 0;
-    pvarg->wReserved3 = 0;
-    pvarg->lVal = 0;
-}
-
-/*
- *  ReleaseVariant
- *
- *  Clears a particular variant structure and releases any external objects
- *  or memory contained in the variant.  Supports the data types listed above.
- */
-static void ReleaseVariant(VARIANTARG *pvarg)
-{
-    VARTYPE vt;
-    VARIANTARG _huge *pvargArray;
-    long lLBound, lUBound, l;
-
-    vt = (VARTYPE)(pvarg->vt & 0xfff);        // mask off flags
-
-    // check if an array.  If so, free its contents, then the array itself.
-    if (V_ISARRAY(pvarg))
-    {
-        // variant arrays are all this routine currently knows about.  Since a
-        // variant can contain anything (even other arrays), call ourselves
-        // recursively.
-        if (vt == VT_VARIANT)
-        {
-            SafeArrayGetLBound(pvarg->parray, 1, &lLBound);
-            SafeArrayGetUBound(pvarg->parray, 1, &lUBound);
-
-            if (lUBound > lLBound)
-            {
-                lUBound -= lLBound;
-
-                SafeArrayAccessData(pvarg->parray, (void**)&pvargArray);
-
-                for (l = 0; l < lUBound; l++)
-                {
-                    ReleaseVariant(pvargArray);
-                    pvargArray++;
-                }
-
-                SafeArrayUnaccessData(pvarg->parray);
-            }
-        }
-        else
-        {
-            wxLogWarning(wxT("ReleaseVariant: Array contains non-variant type"));
-        }
-
-        // Free the array itself.
-        SafeArrayDestroy(pvarg->parray);
-    }
-    else
-    {
-        switch (vt)
-        {
-            case VT_DISPATCH:
-                if (pvarg->pdispVal)
-                    pvarg->pdispVal->Release();
-                break;
-
-            case VT_BSTR:
-                SysFreeString(pvarg->bstrVal);
-                break;
-
-            case VT_I2:
-            case VT_BOOL:
-            case VT_R8:
-            case VT_ERROR:        // to avoid erroring on an error return from Excel
-                // no work for these types
-                break;
-
-            default:
-                wxLogWarning(wxT("ReleaseVariant: Unknown type"));
-                break;
-        }
-    }
-
-    ClearVariant(pvarg);
-}
+#endif // wxUSE_OLE_AUTOMATION
 
 #if 0
 
@@ -928,6 +615,3 @@ void ShowException(LPOLESTR szMember, HRESULT hr, EXCEPINFO *pexcep, unsigned in
 }
 
 #endif
-
-#endif // wxUSE_OLE && !(defined(__BORLANDC__) && (__BORLANDC__ < 0x520)) && !defined(__CYGWIN10__)
-