props.cpp

这是一个GPS相关的程序

        return true;
    }

    bool res = text.ToDouble(&value);
    if ( res )
    {
        if ( m_value != value )
        {
            m_value = value;
            return true;
        }
    }
    else if ( argFlags & wxPG_REPORT_ERROR )
    {
        ShowError(wxString::Format( _("\"%s\" is not a floating-point number"), text.c_str() ));
    }
    return false;
}

void wxFloatPropertyClass::SetAttribute( int id, wxVariant& value )
{
    if ( id == wxPG_FLOAT_PRECISION )
    {
        m_precision = value.GetLong();
    }
}

#if wxUSE_VALIDATORS

wxValidator* wxFloatPropertyClass::DoGetValidator() const
{
    return wxIntPropertyClass::GetClassValidator();
}

#endif

// -----------------------------------------------------------------------
// wxBoolProperty
// -----------------------------------------------------------------------

wxPG_BEGIN_PROPERTY_CLASS_BODY2(wxBoolPropertyClass,wxPGProperty,bool,long,bool,class)
    WX_PG_DECLARE_BASIC_TYPE_METHODS()
    WX_PG_DECLARE_CHOICE_METHODS()
    WX_PG_DECLARE_ATTRIBUTE_METHODS()
wxPG_END_PROPERTY_CLASS_BODY()

// We cannot use standard WX_PG_IMPLEMENT_PROPERTY_CLASS macro, since
// there is a custom GetEditorClass.

WX_PG_IMPLEMENT_CONSTFUNC(wxBoolProperty,bool)
WX_PG_IMPLEMENT_CLASSINFO(wxBoolProperty,wxBasePropertyClass)
wxPG_GETCLASSNAME_IMPLEMENTATION(wxBoolProperty)
wxPG_VALUETYPE_MSGVAL wxBoolPropertyClass::GetValueType() const { return wxPG_VALUETYPE(bool); }

const wxChar* wxPG_ClassName_wxBoolProperty = wxBoolProperty_ClassName;

const wxPGEditor* wxBoolPropertyClass::DoGetEditorClass() const
{
    // Select correct editor control.
#if wxPG_INCLUDE_CHECKBOX
    if ( !(m_flags & wxPG_PROP_USE_CHECKBOX) )
        return wxPG_EDITOR(Choice);
    return wxPG_EDITOR(CheckBox);
#else
    return wxPG_EDITOR(Choice);
#endif
}

wxBoolPropertyClass::wxBoolPropertyClass( const wxString& label, const wxString& name, bool value ) :
    wxPGProperty(label,name)
{
    int useVal;
    if ( value ) useVal = 1;
    else useVal = 0;
    DoSetValue((long)useVal);

    m_flags |= wxPG_PROP_USE_DCC;
}

wxBoolPropertyClass::~wxBoolPropertyClass() { }

void wxBoolPropertyClass::DoSetValue( wxPGVariant value )
{
    long v = wxPGVariantToLong(value);
    if ( v == 2 )
        SetValueToUnspecified();
    else if ( v != 0 )
        m_value = 1;
    else
        m_value = 0;
}

wxPGVariant wxBoolPropertyClass::DoGetValue() const
{
    return wxPGVariant(m_value);
}

wxString wxBoolPropertyClass::GetValueAsString( int argFlags ) const
{
    if ( !(argFlags & wxPG_FULL_VALUE) )
    {
        return wxPGGlobalVars->m_boolChoices[m_value];
    }
    wxString text;

    if (m_value) text = wxT("true");
    else text = wxT("false");

    return text;
}

int wxBoolPropertyClass::GetChoiceInfo( wxPGChoiceInfo* choiceinfo )
{
    if ( choiceinfo )
    {
        // 3 choice mode (ie. true, false, unspecified) does not work well (yet).
        //choiceinfo->m_itemCount = wxPGGlobalVars->m_numBoolChoices;
        choiceinfo->m_itemCount = 2;
        choiceinfo->m_arrWxString = wxPGGlobalVars->m_boolChoices;
    }
    return m_value;
}

bool wxBoolPropertyClass::SetValueFromString( const wxString& text, int /*argFlags*/ )
{
    int value = 0;
    if ( text.CmpNoCase(wxPGGlobalVars->m_boolChoices[1]) == 0 || text.CmpNoCase(wxT("true")) == 0 )
        value = 1;

    if ( text.length() == 0 )
    {
        SetValueToUnspecified();
        return true;
    }

    if ( (m_value && !value) || (!m_value && value) )
    {
        DoSetValue( (long) value );
        return true;
    }
    /*
    else if ( argFlags & wxPG_REPORT_ERROR )
    {
        wxLogError ( wxT("Property %s: \"%s\" is not a boolean value (True and False are valid)."), m_label.c_str(), text.c_str() );
    }
    */
    return false;
}

bool wxBoolPropertyClass::SetValueFromInt( long value, int )
{
    if ( value != 0 ) value = 1;

    if ( (m_value && !value) || (!m_value && value) )
    {
        // (wxPG_BOOLPROP_VAL_INTERNAL_LONG)
        m_value =  value;
        return true;
    }
    return false;
}

void wxBoolPropertyClass::SetAttribute( int id, wxVariant& value )
{
    int ival = value.GetLong();
#if wxPG_INCLUDE_CHECKBOX
    if ( id == wxPG_BOOL_USE_CHECKBOX )
    {
        if ( ival )
            m_flags |= wxPG_PROP_USE_CHECKBOX;
        else
            m_flags &= ~(wxPG_PROP_USE_CHECKBOX);
    }
    //else
#endif
    if ( id == wxPG_BOOL_USE_DOUBLE_CLICK_CYCLING )
    {
        if ( ival )
            m_flags |= wxPG_PROP_USE_DCC;
        else
            m_flags &= ~(wxPG_PROP_USE_DCC);
    }
}

// -----------------------------------------------------------------------
// wxBaseEnumPropertyClass
// -----------------------------------------------------------------------

// Class body is in propdev.h.

wxBaseEnumPropertyClass::wxBaseEnumPropertyClass( const wxString& label, const wxString& name )
    : wxPGProperty(label,name)
{
}

/** If has values array, then returns number at index with value -
    otherwise just returns the value.
*/
int wxBaseEnumPropertyClass::GetIndexForValue( int value ) const
{
    return value;
}

void wxBaseEnumPropertyClass::DoSetValue( wxPGVariant value )
{
    int intval = (int) value.GetLong();
    m_index = GetIndexForValue(intval);
}

wxPGVariant wxBaseEnumPropertyClass::DoGetValue() const
{
    if ( m_index < 0 )
        return wxPGVariant((long)-1);

    int val;
    GetEntry(m_index,&val);

    return wxPGVariantCreator(val);
}

wxString wxBaseEnumPropertyClass::GetValueAsString( int ) const
{
    if ( m_index >= 0 )
    {
        int unused_val;
        const wxString* pstr = GetEntry( m_index, &unused_val );

        if ( pstr )
            return *pstr;
    }
    return wxEmptyString;
}

bool wxBaseEnumPropertyClass::SetValueFromString ( const wxString& text, int WXUNUSED(argFlags) )
{
    size_t i = 0;
    const wxString* entry_label;
    int entry_value;
    int use_index = -1;
    long use_value = 0;

    entry_label = GetEntry(i,&entry_value);
    while ( entry_label )
    {
        if ( text.CmpNoCase(*entry_label) == 0 )
        {
            use_index = (int)i;
            use_value = (long)entry_value;
            break;
        }

        i++;
        entry_label = GetEntry(i,&entry_value);
    }

    if ( m_index != use_index )
    {
        if ( use_index != -1 )
            // FIXME: Why can't this be virtual call?
            wxBaseEnumPropertyClass::DoSetValue ( use_value );
        else
            m_index = -1;

        return true;
    }
    /*}
    else if ( argFlags & wxPG_REPORT_ERROR )
    {
        wxString s;
        s.Printf ( wxT("\"%s\" was not among valid choices."), text.c_str() );
        ShowError(s);
    }*/
    return false;
}

bool wxBaseEnumPropertyClass::SetValueFromInt ( long value, int argFlags )
{
    if ( argFlags & wxPG_FULL_VALUE )
    {
        DoSetValue(value);
        return true;
    }
    else
    {
        if ( m_index != value )
        {
            m_index = value;
            return true;
        }
    }
    return false;
}

// -----------------------------------------------------------------------
// wxEnumProperty
// -----------------------------------------------------------------------

// Class body is in propdev.h.

wxPGProperty* wxEnumProperty( const wxString& label, const wxString& name, const wxChar** labels,
    const long* values, int value )
{
    return new wxEnumPropertyClass (label,name,labels,values,value);
}

wxPGProperty* wxEnumProperty( const wxString& label, const wxString& name,
    const wxArrayString& labels, const wxArrayInt& values, int value )
{
    return new wxEnumPropertyClass(label,name,labels,values,value);
}

wxPGProperty* wxEnumProperty( const wxString& label, const wxString& name,
    const wxArrayString& labels, int value )
{
    return new wxEnumPropertyClass (label,name,labels,*((const wxArrayInt*)NULL),value);
}

wxPGProperty* wxEnumProperty( const wxString& label, const wxString& name,
    wxPGChoices& choices, int value )
{
    return new wxEnumPropertyClass (label,name,choices,value);
}

WX_PG_IMPLEMENT_CLASSINFO(wxEnumProperty,wxBasePropertyClass)

WX_PG_IMPLEMENT_PROPERTY_CLASS_PLAIN(wxEnumProperty,long,Choice)

wxEnumPropertyClass::wxEnumPropertyClass ( const wxString& label, const wxString& name, const wxChar** labels,
    const long* values, int value ) : wxBaseEnumPropertyClass(label,name)
{
    m_index = 0;

    if ( labels )
    {
        m_choices.Add(labels,values);

        if ( GetItemCount() )
            wxEnumPropertyClass::DoSetValue( (long)value );
    }
}

wxEnumPropertyClass::wxEnumPropertyClass ( const wxString& label, const wxString& name, const wxChar** labels,
    const long* values, wxPGChoices* choicesCache, int value )
    : wxBaseEnumPropertyClass(label,name)
{
    m_index = 0;

    wxASSERT( choicesCache );

    if ( choicesCache->IsOk() )
    {
        m_choices.Assign( *choicesCache );
    }
    else if ( labels )
    {
        m_choices.Add(labels,values);

        if ( GetItemCount() )
            wxEnumPropertyClass::DoSetValue( (long)value );
    }
}

wxEnumPropertyClass::wxEnumPropertyClass ( const wxString& label, const wxString& name,
    const wxArrayString& labels, const wxArrayInt& values, int value ) : wxBaseEnumPropertyClass(label,name)
{
    m_index = 0;

    if ( &labels )
    {
        wxPGChoices choices(labels,values);
        m_choices = choices.ExtractData();

        if ( GetItemCount() )
            wxEnumPropertyClass::DoSetValue( (long)value );
    }
}

wxEnumPropertyClass::wxEnumPropertyClass ( const wxString& label, const wxString& name,
    wxPGChoices& choices, int value )
    : wxBaseEnumPropertyClass(label,name)
{
    m_choices.Assign( choices );

    if ( GetItemCount() )
        wxEnumPropertyClass::DoSetValue( (long)value );
}

int wxEnumPropertyClass::GetIndexForValue( int value ) const
{
    if ( !m_choices.IsOk() )
        return -1;

    const wxArrayInt& arrValues = m_choices.GetValues();

    if ( arrValues.GetCount() )
    {
        int intval = arrValues.Index(value);

        // TODO: Use real default instead of 0.
        if ( intval < 0 )
            intval = 0;

        return intval;
    }
    return value;
}

wxEnumPropertyClass::~wxEnumPropertyClass ()
{
}

const wxString* wxEnumPropertyClass::GetEntry( size_t index, int* pvalue ) const
{
    if ( m_choices.IsOk() && index < m_choices.GetCount() )
    {
        const wxArrayInt& arrValues = m_choices.GetValues();

        int value = (int)index;
        if ( arrValues.GetCount() )
            value = arrValues[index];

        *pvalue = value;

        return &m_choices.GetLabel(index);
    }
    return (const wxString*) NULL;
}

int wxEnumPropertyClass::GetChoiceInfo( wxPGChoiceInfo* choiceinfo )
{
    if ( choiceinfo )
    {
        if ( !(m_flags & wxPG_PROP_STATIC_CHOICES) )
            choiceinfo->m_choices = &m_choices;

        if ( !m_choices.IsOk() )
            return -1;

        choiceinfo->m_itemCount = m_choices.GetCount();
        if ( m_choices.GetCount() )
            choiceinfo->m_arrWxString = (wxString*)&m_choices.GetLabel(0);
    }

    if ( !m_choices.IsOk() )
        return -1;

    return m_index;
}

// -----------------------------------------------------------------------
// wxEditEnumProperty
// -----------------------------------------------------------------------

class wxEditEnumPropertyClass : public wxEnumPropertyClass
{
    WX_PG_DECLARE_PROPERTY_CLASS()
public:

    wxEditEnumPropertyClass( const wxString& label, const wxString& name, const wxChar** labels,
        const long* values, const wxString& value );
    wxEditEnumPropertyClass( const wxString& label, const wxString& name,
        const wxArrayString& labels, const wxArrayInt& values, const wxString& value );
    wxEditEnumPropertyClass( const wxString& label, const wxString& name,
        wxPGChoices& choices, const wxString& value );