C++ wxVariant::GetDouble方法代码示例

std::string ScalarSelectionDialog::GetValueString(const wxVariant& variant, std::type_index type, int precision)
{
	std::string result;

	if (!variant.IsNull()) {
		if (IsFloat(type)) {
			std::stringstream strstream;
			if (precision > 0) {
				strstream << std::setprecision(precision) << std::fixed << variant.GetDouble();
			}
			else {
				strstream << std::fixed << variant.GetDouble();
			}
			
			auto tmpStr = strstream.str();
			size_t last_not_zero = tmpStr.find_last_not_of('0');
			result = tmpStr.substr(0, last_not_zero == std::string::npos ? last_not_zero : last_not_zero+1);
		}
		else if (IsIntegral(type)) {
			result = std::to_string(variant.GetInteger());
		}
	}

	return result;
}

wxVariant  luVector3Property::ChildChanged( wxVariant& thisValue, int childIndex, wxVariant& childValue ) const
{
	gkVector3 v;
	v << thisValue;
	switch ( childIndex )
	{
	case 0: v.x = childValue.GetDouble(); break;
	case 1: v.y = childValue.GetDouble(); break;
	case 2: v.z = childValue.GetDouble(); break;
	}
	return thisValue << v;
}

wxVariant wxRangeProperty::ChildChanged( wxVariant& thisValue, int childIndex, wxVariant& childValue ) const
{	
    Range& range = RangeRefFromVariant(thisValue);
    switch ( childIndex )
    {
		case 0: range.Min = childValue.GetDouble(); break;
        case 1: range.Max = childValue.GetDouble(); break;
    }
	wxVariant newVariant;
	newVariant << range;
	return newVariant;
}

wxVariant wxVector2Property::ChildChanged( wxVariant& thisValue, int childIndex, wxVariant& childValue ) const
{	
    Vector2& vec = Vector2RefFromVariant(thisValue);
    switch ( childIndex )
    {
		case 0: vec.X = childValue.GetDouble(); break;
        case 1: vec.Y = childValue.GetDouble(); break;
    }
	wxVariant newVariant;
	newVariant << vec;
	return newVariant;
}

wxVariant nsVector3Property::ChildChanged(wxVariant& thisValue, int childIndex, wxVariant& childValue) const
{
	Vector3 vector;
	vector << thisValue;
	switch (childIndex)
	{
	case 0: vector._x = childValue.GetDouble(); break;
	case 1: vector._y = childValue.GetDouble(); break;
	case 2: vector._z = childValue.GetDouble(); break;
	}
	wxVariant newVariant;
	newVariant << vector;
	return newVariant;
}

// -----------------------------------------------------------------------
wxVariant WxGUISizeProperty::ChildChanged( wxVariant& thisValue, int childIndex, wxVariant& childValue ) const
{
	CGUISize& size = CGUISizeRefFromVariant(thisValue);

	switch ( childIndex )
	{
	case 0: size.m_fWidth = childValue.GetDouble(); break;
	case 1: size.m_fHeight = childValue.GetDouble(); break;
	}

	wxVariant newVariant;
	newVariant << size;
	return newVariant;
}

// -----------------------------------------------------------------------
wxVariant WxGUIVector3Property::ChildChanged( wxVariant& thisValue, int childIndex, wxVariant& childValue ) const
{
	CGUIVector3& vector = CGUIVector3RefFromVariant(thisValue);

	switch ( childIndex )
	{
	case 0: vector.x = childValue.GetDouble(); break;
	case 1: vector.y = childValue.GetDouble(); break;
	case 2: vector.z = childValue.GetDouble(); break;
	}

	wxVariant newVariant;
	newVariant << vector;
	return newVariant;
}

bool wxPGVariantToDouble( const wxVariant& variant, double* pResult )
{
    if ( variant.IsNull() )
        return false;

    wxString variantType = variant.GetType();

    if ( variantType == wxPG_VARIANT_TYPE_DOUBLE )
    {
        *pResult = variant.GetDouble();
        return true;
    }

    if ( variantType == wxPG_VARIANT_TYPE_LONG )
    {
        *pResult = (double)variant.GetLong();
        return true;
    }

    if ( variantType == wxLongLong_VariantType )
    {
        wxLongLong ll;
        ll << variant;
        *pResult = ll.ToDouble();
        return true;
    }

    if ( variantType == wxPG_VARIANT_TYPE_STRING )
        if ( variant.GetString().ToDouble(pResult) )
            return true;

    return false;
}

//-----------------------------------------------------------------------------
void wxFloat3Property::ChildChanged(wxVariant &thisValue, int childIndex, 
									 wxVariant &childValue ) const
{
	Float3 &value = Float3FromVariant(thisValue);
	switch (childIndex)
	{
	case 0:
		value[0] = (float)childValue.GetDouble();
		break;
	case 1: 
		value[1] = (float)childValue.GetDouble();
		break;
	case 2: 
		value[2] = (float)childValue.GetDouble();
		break;
	}
}

//-----------------------------------------------------------------------------
void wxAPoint3Property::ChildChanged(wxVariant &thisValue, int childIndex, 
									wxVariant &childValue ) const
{
	APoint &point = APointFromVariant(thisValue);
	switch (childIndex)
	{
	case 0:
		point.X() = (float)childValue.GetDouble();
		break;
	case 1: 
		point.Y() = (float)childValue.GetDouble();
		break;
	case 2: 
		point.Z() = (float)childValue.GetDouble();
		break;
	}
}

//------------------------------------------------------------------------
// variant <= wxVariant
//------------------------------------------------------------------------
_variant_t memmonitor::wxVariant2Variant(const wxVariant &wxVar)
{
	_variant_t var;
	const wxString type = wxVar.GetType();
	if (type == "bool")
	{
		var = _variant_t(wxVar.GetBool());
	}
	else if (type == "char")
	{
		var = _variant_t((char)wxVar);
	}
	else if (type == "datetime")
	{
	}
	else if (type == "double")
	{
		var = _variant_t(wxVar.GetDouble());
	}
	else if (type == "list")
	{
	}
	else if (type == "long")
	{
		var = _variant_t(wxVar.GetLong());
	}
	else if (type == "longlong")
	{
	}
	else if (type == "string")
	{
	}
	else if (type == "ulonglong")
	{
	}
	else if (type == "arrstring")
	{
	}
	else if (type == "void*")
	{
	}
	return var;
}

WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
{
    VariantInit(&oleVariant);
    if (variant.IsNull())
    {
        oleVariant.vt = VT_NULL;
        return true;
    }

    wxString type(variant.GetType());

    if (type == wxT("errorcode"))
    {
        wxVariantDataErrorCode* const
            ec = wxStaticCastVariantData(variant.GetData(),
                                         wxVariantDataErrorCode);
        oleVariant.vt = VT_ERROR;
        oleVariant.scode = ec->GetValue();
    }
    else if (type == wxT("currency"))
    {
        wxVariantDataCurrency* const
            c = wxStaticCastVariantData(variant.GetData(),
                                        wxVariantDataCurrency);
        oleVariant.vt = VT_CY;
        oleVariant.cyVal = c->GetValue();
    }
    else if (type == wxT("safearray"))
    {
        wxVariantDataSafeArray* const
            vsa = wxStaticCastVariantData(variant.GetData(),
                                          wxVariantDataSafeArray);
        SAFEARRAY* psa = vsa->GetValue();
        VARTYPE vt;

        wxCHECK(psa, false);
        HRESULT hr = SafeArrayGetVartype(psa, &vt);
        if ( FAILED(hr) )
        {
            wxLogApiError(wxS("SafeArrayGetVartype()"), hr);
            SafeArrayDestroy(psa);
            return false;
        }
        oleVariant.vt = vt | VT_ARRAY;
        oleVariant.parray = psa;
    }
    else if (type == wxT("long"))
    {
        oleVariant.vt = VT_I4;
        oleVariant.lVal = variant.GetLong() ;
    }
#if wxUSE_LONGLONG
    else if (type == wxT("longlong"))
    {
        oleVariant.vt = VT_I8;
        oleVariant.llVal = variant.GetLongLong().GetValue();
    }
#endif
    else if (type == wxT("char"))
    {
        oleVariant.vt=VT_I1;            // Signed Char
        oleVariant.cVal=variant.GetChar();
    }
    else if (type == wxT("double"))
    {
        oleVariant.vt = VT_R8;
        oleVariant.dblVal = variant.GetDouble();
    }
    else if (type == wxT("bool"))
    {
        oleVariant.vt = VT_BOOL;
        oleVariant.boolVal = variant.GetBool() ? VARIANT_TRUE : VARIANT_FALSE;
    }
    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;

        SYSTEMTIME st;
        date.GetAsMSWSysTime(&st);

        SystemTimeToVariantTime(&st, &oleVariant.date);
    }
#endif
    else if (type == wxT("void*"))
    {
        oleVariant.vt = VT_DISPATCH;
        oleVariant.pdispVal = (IDispatch*) variant.GetVoidPtr();
    }
    else if (type == wxT("list"))
    {
        wxSafeArray<VT_VARIANT> safeArray;
        if (!safeArray.CreateFromListVariant(variant))
//.........这里部分代码省略.........

WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
{
    VariantInit(&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() ;
    }
    else if (type == wxT("char"))
    {
        oleVariant.vt=VT_I1;            // Signed Char
        oleVariant.cVal=variant.GetChar();
    }
    else if (type == wxT("double"))
    {
        oleVariant.vt = VT_R8;
        oleVariant.dblVal = variant.GetDouble();
    }
    else if (type == wxT("bool"))
    {
        oleVariant.vt = VT_BOOL;
        oleVariant.boolVal = variant.GetBool();
    }
    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;

        SYSTEMTIME st;
        date.GetAsMSWSysTime(&st);

        SystemTimeToVariantTime(&st, &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;
//.........这里部分代码省略.........

WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
{
    VariantInit(&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() ;
    }
    // Original VC6 came with SDK too old to contain VARIANT::llVal declaration
    // and there doesn't seem to be any way to test for it as Microsoft simply
    // added it to the later version of oaidl.h without changing anything else.
    // So assume it's not present for VC6, even though it might be if an
    // updated SDK is used. In this case the user would need to disable this
    // check himself.
#if wxUSE_LONGLONG && !defined(__VISUALC6__)
    else if (type == wxT("longlong"))
    {
        oleVariant.vt = VT_I8;
        oleVariant.llVal = variant.GetLongLong().GetValue();
    }
#endif
    else if (type == wxT("char"))
    {
        oleVariant.vt=VT_I1;            // Signed Char
        oleVariant.cVal=variant.GetChar();
    }
    else if (type == wxT("double"))
    {
        oleVariant.vt = VT_R8;
        oleVariant.dblVal = variant.GetDouble();
    }
    else if (type == wxT("bool"))
    {
        oleVariant.vt = VT_BOOL;
        oleVariant.boolVal = variant.GetBool() ? VARIANT_TRUE : VARIANT_FALSE;
    }
    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;

        SYSTEMTIME st;
        date.GetAsMSWSysTime(&st);

        SystemTimeToVariantTime(&st, &oleVariant.date);
    }
#endif
    else if (type == wxT("void*"))
    {
        oleVariant.vt = VT_DISPATCH;
        oleVariant.pdispVal = (IDispatch*) variant.GetVoidPtr();
    }
    else if (type == wxT("list"))
    {
        wxSafeArrayHelper sah;

        if (!sah.Create(VT_VARIANT, variant.GetCount()))
            return false;

        for (size_t i = 0; i < variant.GetCount(); i++)
        {
            if (!sah.SetElement(i, variant[i]))
                return false;
        }

        oleVariant.vt = VT_VARIANT | VT_ARRAY;
        oleVariant.parray = sah.Detach();
    }
    else if (type == wxT("arrstring"))
    {
        wxArrayString strings(variant.GetArrayString());
        wxSafeArrayHelper sah;

        if (!sah.Create(VT_BSTR, strings.GetCount()))
            return false;

        for (size_t i = 0; i < strings.GetCount(); i++)
        {
            if (!sah.SetElement(i, strings[i]))
                return false;
        }

        oleVariant.vt = VT_BSTR | VT_ARRAY;
        oleVariant.parray = sah.Detach();
//.........这里部分代码省略.........

WXDLLEXPORT bool wxConvertVariantToOle(const wxVariant& variant, VARIANTARG& oleVariant)
{
    VariantInit(&oleVariant);
    if (variant.IsNull())
    {
        oleVariant.vt = VT_NULL;
        return true;
    }

    wxString type(variant.GetType());

    if (type == wxT("errorcode"))
    {
        wxVariantDataErrorCode* const
            ec = wxStaticCastVariantData(variant.GetData(),
                                         wxVariantDataErrorCode);
        oleVariant.vt = VT_ERROR;
        oleVariant.scode = ec->GetValue();
    }
    else if (type == wxT("currency"))
    {
        wxVariantDataCurrency* const
            c = wxStaticCastVariantData(variant.GetData(),
                                        wxVariantDataCurrency);
        oleVariant.vt = VT_CY;
        oleVariant.cyVal = c->GetValue();
    }
    else if (type == wxT("safearray"))
    {
        wxVariantDataSafeArray* const
            vsa = wxStaticCastVariantData(variant.GetData(),
                                          wxVariantDataSafeArray);
        SAFEARRAY* psa = vsa->GetValue();
        VARTYPE vt;

        wxCHECK(psa, false);
        HRESULT hr = SafeArrayGetVartype(psa, &vt);
        if ( FAILED(hr) )
        {
            wxLogApiError(wxS("SafeArrayGetVartype()"), hr);
            SafeArrayDestroy(psa);
            return false;
        }
        oleVariant.vt = vt | VT_ARRAY;
        oleVariant.parray = psa;
    }
    else if (type == wxT("long"))
    {
        oleVariant.vt = VT_I4;
        oleVariant.lVal = variant.GetLong() ;
    }
    // Original VC6 came with SDK too old to contain VARIANT::llVal declaration
    // and there doesn't seem to be any way to test for it as Microsoft simply
    // added it to the later version of oaidl.h without changing anything else.
    // So assume it's not present for VC6, even though it might be if an
    // updated SDK is used. In this case the user would need to disable this
    // check himself.
#if wxUSE_LONGLONG && !defined(__VISUALC6__)
    else if (type == wxT("longlong"))
    {
        oleVariant.vt = VT_I8;
        oleVariant.llVal = variant.GetLongLong().GetValue();
    }
#endif
    else if (type == wxT("char"))
    {
        oleVariant.vt=VT_I1;            // Signed Char
        oleVariant.cVal=variant.GetChar();
    }
    else if (type == wxT("double"))
    {
        oleVariant.vt = VT_R8;
        oleVariant.dblVal = variant.GetDouble();
    }
    else if (type == wxT("bool"))
    {
        oleVariant.vt = VT_BOOL;
        oleVariant.boolVal = variant.GetBool() ? VARIANT_TRUE : VARIANT_FALSE;
    }
    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;

        SYSTEMTIME st;
        date.GetAsMSWSysTime(&st);

        SystemTimeToVariantTime(&st, &oleVariant.date);
    }
#endif
    else if (type == wxT("void*"))
    {
        oleVariant.vt = VT_DISPATCH;
//.........这里部分代码省略.........