/////////////////////////////////////////////////////////////////////////////
-// Name: automtn.cpp
+// Name: src/msw/ole/automtn.cpp
// Purpose: OLE automation utilities
// Author: Julian Smart
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "automtn.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#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
+
+#if wxUSE_OLE_AUTOMATION
+
+#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 <math.h>
-
#ifdef __WXWINCE__
#include "wx/msw/wince/time.h"
#else
#include <oleauto.h>
-// Verifies will fail if the needed buffer size is too large
-#define MAX_TIME_BUFFER_SIZE 128 // matches that in timecore.cpp
-#define MIN_DATE (-657434L) // about year 100
-#define MAX_DATE 2958465L // about year 9999
-
-// Half a second, expressed in days
-#define HALF_SECOND (1.0/172800.0)
-
-// One-based array of days in year at month start
-static int rgMonthDays[13] =
- {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365};
-
#if wxUSE_DATETIME
#include "wx/datetime.h"
-
-static BOOL OleDateFromTm(WORD wYear, WORD wMonth, WORD wDay,
- WORD wHour, WORD wMinute, WORD wSecond, DATE& dtDest);
-static BOOL TmFromOleDate(DATE dtSrc, struct tm& tmDest);
-#endif // wxUSE_TIMEDATE
+#endif // wxUSE_DATETIME
static void ClearVariant(VARIANTARG *pvarg) ;
static void ReleaseVariant(VARIANTARG *pvarg) ;
{
// 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;
{
namedArgCount = 1;
dispIds[1] = DISPID_PROPERTYPUT;
- vReturnPtr = (VARIANTARG*) NULL;
+ vReturnPtr = NULL;
}
// Convert the wxVariants to VARIANTARGs
excep.pfnDeferredFillIn = NULL;
hr = ((IDispatch*)m_dispatchPtr)->Invoke(dispIds[0], IID_NULL, LOCALE_SYSTEM_DEFAULT,
- action, &dispparams, vReturnPtr, &excep, &uiArgErr);
+ (WORD)action, &dispparams, vReturnPtr, &excep, &uiArgErr);
for (i = 0; i < namedArgStringCount; i++)
{
// Mustn't release the dispatch pointer
if (vReturn.vt == VT_DISPATCH)
{
- vReturn.pdispVal = (IDispatch*) NULL;
+ vReturn.pdispVal = NULL;
}
ReleaseVariant(& vReturn);
}
}
}
- return (WXIDISPATCH*) NULL;
+ return NULL;
}
// Uses DISPATCH_PROPERTYGET
}
}
- return (WXIDISPATCH*) NULL;
+ return NULL;
}
CLSID clsId;
IUnknown * pUnk = NULL;
- wxBasicString unicodeName(classId.mb_str());
+ wxBasicString unicodeName(classId);
if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId)))
{
CLSID clsId;
- wxBasicString unicodeName(classId.mb_str());
+ wxBasicString unicodeName(classId);
if (FAILED(CLSIDFromProgID((BSTR) unicodeName, &clsId)))
{
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;
}
-bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
+WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
{
ClearVariant(&oleVariant);
if (variant.IsNull())
wxDateTime date( variant.GetDateTime() );
oleVariant.vt = VT_DATE;
- if (!OleDateFromTm(date.GetYear(), date.GetMonth(), date.GetDay(),
- date.GetHour(), date.GetMinute(), date.GetSecond(), oleVariant.date))
- return false;
+ long dosDateTime = date.GetAsDOS();
+ short dosDate = short((dosDateTime & 0xFFFF0000) >> 16);
+ short dosTime = short(dosDateTime & 0xFFFF);
+
+ DosDateTimeToVariantTime(dosDate, dosTime, & oleVariant.date);
}
#endif
else if (type == wxT("void*"))
#define VT_TYPEMASK 0xfff
#endif
-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
- struct tm tmTemp;
- if (!TmFromOleDate(oleVariant.date, tmTemp))
- return false;
- wxDateTime date(tmTemp.tm_yday, (wxDateTime::Month) tmTemp.tm_mon, tmTemp.tm_year, tmTemp.tm_hour, tmTemp.tm_min, tmTemp.tm_sec);
+ // 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;
- variant = date;
-#endif
-
- break;
- }
- case VT_I4:
- {
- variant = (long) oleVariant.lVal;
- break;
- }
- case VT_I2:
- {
- variant = (long) oleVariant.iVal;
- break;
- }
+ // Get a pointer to the data
+ void* pvdata;
+ HRESULT hr = SafeArrayAccessData(oleVariant.parray, &pvdata);
+ if ( FAILED(hr) )
+ return false;
- 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:
+ switch (oleVariant.vt & VT_TYPEMASK)
{
- 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;
+ 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;
- // 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_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;
- 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;
+ default:
+ wxLogDebug(_T("unhandled VT_ARRAY type %x in wxConvertOleToVariant"),
+ oleVariant.vt & VT_TYPEMASK);
+ variant = wxVariant();
+ ok = false;
+ break;
}
- }
- return true;
-}
-
-BSTR wxConvertStringToOle(const wxString& str)
-{
-/*
- unsigned int len = strlen((const char*) str);
- unsigned short* s = new unsigned short[len*2+2];
- unsigned int i;
- memset(s, 0, len*2+2);
- for (i=0; i < len; i++)
- s[i*2] = str[i];
-*/
- wxBasicString bstr(str.mb_str());
- return bstr.Get();
-}
-
-wxString wxConvertStringFromOle(BSTR bStr)
-{
-#if wxUSE_UNICODE
- wxString str(bStr);
-#else
- int len = SysStringLen(bStr) + 1;
- char *buf = new char[len];
- (void)wcstombs( buf, bStr, len);
- wxString str(buf);
- delete[] buf;
-#endif
- return str;
-}
-
-// ----------------------------------------------------------------------------
-// wxBasicString
-// ----------------------------------------------------------------------------
-
-// ctor takes an ANSI string and transforms it to Unicode
-wxBasicString::wxBasicString(const char *sz)
-{
- Init(sz);
-}
-
-// ctor takes an ANSI or Unicode string and transforms it to Unicode
-wxBasicString::wxBasicString(const wxString& str)
-{
-#if wxUSE_UNICODE
- m_wzBuf = new OLECHAR[str.Length() + 1];
- memcpy(m_wzBuf, str.c_str(), str.Length()*2);
- m_wzBuf[str.Length()] = L'\0';
-#else
- Init(str.c_str());
-#endif
-}
-// Takes an ANSI string and transforms it to Unicode
-void wxBasicString::Init(const char *sz)
-{
- // get the size of required buffer
- UINT lenAnsi = strlen(sz);
-#ifdef __MWERKS__
- UINT lenWide = lenAnsi * 2 ;
-#else
- UINT lenWide = mbstowcs(NULL, sz, lenAnsi);
-#endif
-
- if ( lenWide > 0 ) {
- m_wzBuf = new OLECHAR[lenWide + 1];
- mbstowcs(m_wzBuf, sz, lenAnsi);
- m_wzBuf[lenWide] = L'\0';
- }
- else {
- m_wzBuf = NULL;
+ SafeArrayUnaccessData(oleVariant.parray);
}
-}
-
-// dtor frees memory
-wxBasicString::~wxBasicString()
-{
- delete [] m_wzBuf;
-}
-
-/////////////////////////////////////////////////////////////////////////////
-// COleDateTime class HELPERS - implementation
-
-BOOL OleDateFromTm(WORD wYear, WORD wMonth, WORD wDay,
- WORD wHour, WORD wMinute, WORD wSecond, DATE& dtDest)
-{
- // Validate year and month (ignore day of week and milliseconds)
- if (wYear > 9999 || wMonth < 1 || wMonth > 12)
- return FALSE;
-
- // Check for leap year and set the number of days in the month
- BOOL bLeapYear = ((wYear & 3) == 0) &&
- ((wYear % 100) != 0 || (wYear % 400) == 0);
-
- int nDaysInMonth =
- rgMonthDays[wMonth] - rgMonthDays[wMonth-1] +
- ((bLeapYear && wDay == 29 && wMonth == 2) ? 1 : 0);
-
- // Finish validating the date
- if (wDay < 1 || wDay > nDaysInMonth ||
- wHour > 23 || wMinute > 59 ||
- wSecond > 59)
+ else if ( oleVariant.vt & VT_BYREF )
{
- return FALSE;
- }
-
- // Cache the date in days and time in fractional days
- long nDate;
- double dblTime;
-
- //It is a valid date; make Jan 1, 1AD be 1
- nDate = wYear*365L + wYear/4 - wYear/100 + wYear/400 +
- rgMonthDays[wMonth-1] + wDay;
-
- // If leap year and it's before March, subtract 1:
- if (wMonth <= 2 && bLeapYear)
- --nDate;
-
- // Offset so that 12/30/1899 is 0
- nDate -= 693959L;
-
- dblTime = (((long)wHour * 3600L) + // hrs in seconds
- ((long)wMinute * 60L) + // mins in seconds
- ((long)wSecond)) / 86400.;
-
- dtDest = (double) nDate + ((nDate >= 0) ? dblTime : -dblTime);
-
- return TRUE;
-}
-
-BOOL TmFromOleDate(DATE dtSrc, struct tm& tmDest)
-{
- // The legal range does not actually span year 0 to 9999.
- if (dtSrc > MAX_DATE || dtSrc < MIN_DATE) // about year 100 to about 9999
- return FALSE;
-
- long nDaysAbsolute; // Number of days since 1/1/0
- long nSecsInDay; // Time in seconds since midnight
- long nMinutesInDay; // Minutes in day
-
- long n400Years; // Number of 400 year increments since 1/1/0
- long n400Century; // Century within 400 year block (0,1,2 or 3)
- long n4Years; // Number of 4 year increments since 1/1/0
- long n4Day; // Day within 4 year block
- // (0 is 1/1/yr1, 1460 is 12/31/yr4)
- long n4Yr; // Year within 4 year block (0,1,2 or 3)
- BOOL bLeap4 = TRUE; // TRUE if 4 year block includes leap year
-
- double dblDate = dtSrc; // tempory serial date
-
- // Round to the second
- dblDate += ((dtSrc > 0.0) ? HALF_SECOND : -HALF_SECOND);
-
- nDaysAbsolute = (long)dblDate + 693959L; // Add days from 1/1/0 to 12/30/1899
-
- dblDate = fabs(dblDate);
- nSecsInDay = (long)((dblDate - floor(dblDate)) * 86400.);
-
- // Calculate the day of week (sun=1, mon=2...)
- // -1 because 1/1/0 is Sat. +1 because we want 1-based
- tmDest.tm_wday = (int)((nDaysAbsolute - 1) % 7L) + 1;
-
- // Leap years every 4 yrs except centuries not multiples of 400.
- n400Years = (long)(nDaysAbsolute / 146097L);
-
- // Set nDaysAbsolute to day within 400-year block
- nDaysAbsolute %= 146097L;
-
- // -1 because first century has extra day
- n400Century = (long)((nDaysAbsolute - 1) / 36524L);
-
- // Non-leap century
- if (n400Century != 0)
- {
- // Set nDaysAbsolute to day within century
- nDaysAbsolute = (nDaysAbsolute - 1) % 36524L;
-
- // +1 because 1st 4 year increment has 1460 days
- n4Years = (long)((nDaysAbsolute + 1) / 1461L);
-
- if (n4Years != 0)
- n4Day = (long)((nDaysAbsolute + 1) % 1461L);
- else
+ switch ( oleVariant.vt & VT_TYPEMASK )
{
- bLeap4 = FALSE;
- n4Day = (long)nDaysAbsolute;
+ 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;
}
}
- else
+ else // simply type (not array or reference)
{
- // Leap century - not special case!
- n4Years = (long)(nDaysAbsolute / 1461L);
- n4Day = (long)(nDaysAbsolute % 1461L);
- }
+ switch ( oleVariant.vt & VT_TYPEMASK )
+ {
+ case VT_BSTR:
+ {
+ wxString str(wxConvertStringFromOle(oleVariant.bstrVal));
+ variant = str;
+ }
+ break;
- if (bLeap4)
- {
- // -1 because first year has 366 days
- n4Yr = (n4Day - 1) / 365;
+ 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;
- if (n4Yr != 0)
- n4Day = (n4Day - 1) % 365;
- }
- else
- {
- n4Yr = n4Day / 365;
- n4Day %= 365;
- }
+ case VT_I4:
+ variant = (long) oleVariant.lVal;
+ break;
- // n4Day is now 0-based day of year. Save 1-based day of year, year number
- tmDest.tm_yday = (int)n4Day + 1;
- tmDest.tm_year = n400Years * 400 + n400Century * 100 + n4Years * 4 + n4Yr;
+ case VT_I2:
+ variant = (long) oleVariant.iVal;
+ break;
- // Handle leap year: before, on, and after Feb. 29.
- if (n4Yr == 0 && bLeap4)
- {
- // Leap Year
- if (n4Day == 59)
- {
- /* Feb. 29 */
- tmDest.tm_mon = 2;
- tmDest.tm_mday = 29;
- goto DoTime;
- }
+ case VT_BOOL:
+ variant = oleVariant.boolVal != 0;
+ break;
- // Pretend it's not a leap year for month/day comp.
- if (n4Day >= 60)
- --n4Day;
- }
+ case VT_R8:
+ variant = oleVariant.dblVal;
+ break;
- // Make n4DaY a 1-based day of non-leap year and compute
- // month/day for everything but Feb. 29.
- ++n4Day;
+ case VT_DISPATCH:
+ variant = (void*) oleVariant.pdispVal;
+ break;
- // Month number always >= n/32, so save some loop time */
- for (tmDest.tm_mon = (n4Day >> 5) + 1;
- n4Day > rgMonthDays[tmDest.tm_mon]; tmDest.tm_mon++)
- ;
+ case VT_NULL:
+ variant.MakeNull();
+ break;
- tmDest.tm_mday = (int)(n4Day - rgMonthDays[tmDest.tm_mon-1]);
+ case VT_EMPTY:
+ break; // Ignore Empty Variant, used only during destruction of objects
-DoTime:
- if (nSecsInDay == 0)
- tmDest.tm_hour = tmDest.tm_min = tmDest.tm_sec = 0;
- else
- {
- tmDest.tm_sec = (int)nSecsInDay % 60L;
- nMinutesInDay = nSecsInDay / 60L;
- tmDest.tm_min = (int)nMinutesInDay % 60;
- tmDest.tm_hour = (int)nMinutesInDay / 60;
+ default:
+ wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: Unknown variant value type %X -> %X"),
+ oleVariant.vt,oleVariant.vt&VT_TYPEMASK);
+ return false;
+ }
}
- return TRUE;
+ return ok;
}
-// this function is not used
-#if 0
-void TmConvertToStandardFormat(struct tm& tmSrc)
-{
- // Convert afx internal tm to format expected by runtimes (_tcsftime, etc)
- tmSrc.tm_year -= 1900; // year is based on 1900
- tmSrc.tm_mon -= 1; // month of year is 0-based
- tmSrc.tm_wday -= 1; // day of week is 0-based
- tmSrc.tm_yday -= 1; // day of year is 0-based
-}
-
-double DoubleFromDate(DATE dt)
-{
- // No problem if positive
- if (dt >= 0)
- return dt;
-
- // If negative, must convert since negative dates not continuous
- // (examples: -1.25 to -.75, -1.50 to -.50, -1.75 to -.25)
- double temp = ceil(dt);
- return temp - (dt - temp);
-}
-
-DATE DateFromDouble(double dbl)
-{
- // No problem if positive
- if (dbl >= 0)
- return dbl;
-
- // If negative, must convert since negative dates not continuous
- // (examples: -.75 to -1.25, -.50 to -1.50, -.25 to -1.75)
- double temp = floor(dbl); // dbl is now whole part
- return temp + (temp - dbl);
-}
-#endif // 0
-
/*
* ClearVariant
*
{
VARTYPE vt;
VARIANTARG _huge *pvargArray;
- long lLBound, lUBound, l;
+ LONG lLBound, lUBound, l;
- vt = pvarg->vt & 0xfff; // mask off flags
+ 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))
break;
case VT_I2:
+ case VT_I4:
case VT_BOOL:
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;
break;
default:
- wsprintf(szBuf, L"%s: Unknown error occured.", szMember);
+ wsprintf(szBuf, L"%s: Unknown error occurred.", szMember);
break;
}
#endif
-#endif // wxUSE_OLE && !(defined(__BORLANDC__) && (__BORLANDC__ < 0x520)) && !defined(__CYGWIN10__)
-
+#endif // wxUSE_OLE_AUTOMATION
projects / wxWidgets.git / blobdiff