utils.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

}

OSStatus wxMacDataBrowserControl::SetHasScrollBars( bool horiz, bool vert )
{
    return SetDataBrowserHasScrollBars( m_controlRef, horiz, vert );
}

OSStatus wxMacDataBrowserControl::SetHiliteStyle( DataBrowserTableViewHiliteStyle hiliteStyle )
{
    return SetDataBrowserTableViewHiliteStyle( m_controlRef, hiliteStyle );
}

OSStatus wxMacDataBrowserControl::SetHeaderButtonHeight(UInt16 height)
{
    return SetDataBrowserListViewHeaderBtnHeight( m_controlRef, height );
}

OSStatus wxMacDataBrowserControl::GetHeaderButtonHeight(UInt16 *height)
{
    return GetDataBrowserListViewHeaderBtnHeight( m_controlRef, height );
}

OSStatus wxMacDataBrowserControl::SetCallbacks(const DataBrowserCallbacks *callbacks)
{
    return SetDataBrowserCallbacks( m_controlRef, callbacks );
}

OSStatus wxMacDataBrowserControl::UpdateItems(
    DataBrowserItemID container,
    UInt32 numItems,
    const DataBrowserItemID *items,
    DataBrowserPropertyID preSortProperty,
    DataBrowserPropertyID propertyID ) const
{
    return UpdateDataBrowserItems( m_controlRef, container, numItems, items, preSortProperty, propertyID );
}

bool wxMacDataBrowserControl::IsItemSelected( DataBrowserItemID item ) const
{
    return IsDataBrowserItemSelected( m_controlRef, item );
}

OSStatus wxMacDataBrowserControl::AddItems(
    DataBrowserItemID container,
    UInt32 numItems,
    const DataBrowserItemID *items,
    DataBrowserPropertyID preSortProperty )
{
    return AddDataBrowserItems( m_controlRef, container, numItems, items, preSortProperty );
}

OSStatus wxMacDataBrowserControl::RemoveItems(
    DataBrowserItemID container,
    UInt32 numItems,
    const DataBrowserItemID *items,
    DataBrowserPropertyID preSortProperty )
{
    return RemoveDataBrowserItems( m_controlRef, container, numItems, items, preSortProperty );
}

OSStatus wxMacDataBrowserControl::RevealItem(
    DataBrowserItemID item,
    DataBrowserPropertyID propertyID,
    DataBrowserRevealOptions options ) const
{
    return RevealDataBrowserItem( m_controlRef, item, propertyID, options );
}

OSStatus wxMacDataBrowserControl::SetSelectedItems(
    UInt32 numItems,
    const DataBrowserItemID *items,
    DataBrowserSetOption operation )
{
    return SetDataBrowserSelectedItems( m_controlRef, numItems, items, operation );
}

OSStatus wxMacDataBrowserControl::GetSelectionAnchor( DataBrowserItemID *first, DataBrowserItemID *last ) const
{
    return GetDataBrowserSelectionAnchor( m_controlRef, first, last );
}

OSStatus wxMacDataBrowserControl::GetItemID( DataBrowserTableViewRowIndex row, DataBrowserItemID * item ) const
{
    return GetDataBrowserTableViewItemID( m_controlRef, row, item );
}

OSStatus wxMacDataBrowserControl::GetItemRow( DataBrowserItemID item, DataBrowserTableViewRowIndex * row ) const
{
    return GetDataBrowserTableViewItemRow( m_controlRef, item, row );
}

OSStatus wxMacDataBrowserControl::SetDefaultRowHeight( UInt16 height )
{
    return SetDataBrowserTableViewRowHeight( m_controlRef , height );
}

OSStatus wxMacDataBrowserControl::GetDefaultRowHeight( UInt16 * height ) const
{
    return GetDataBrowserTableViewRowHeight( m_controlRef, height );
}

OSStatus wxMacDataBrowserControl::SetRowHeight( DataBrowserItemID item , UInt16 height)
{
    return SetDataBrowserTableViewItemRowHeight( m_controlRef, item , height );
}

OSStatus wxMacDataBrowserControl::GetRowHeight( DataBrowserItemID item , UInt16 *height) const
{
    return GetDataBrowserTableViewItemRowHeight( m_controlRef, item , height);
}

OSStatus wxMacDataBrowserControl::GetColumnWidth( DataBrowserPropertyID column , UInt16 *width ) const
{
    return GetDataBrowserTableViewNamedColumnWidth( m_controlRef , column , width );
}

OSStatus wxMacDataBrowserControl::SetColumnWidth( DataBrowserPropertyID column , UInt16 width )
{
    return SetDataBrowserTableViewNamedColumnWidth( m_controlRef , column , width );
}

OSStatus wxMacDataBrowserControl::GetDefaultColumnWidth( UInt16 *width ) const
{
    return GetDataBrowserTableViewColumnWidth( m_controlRef , width );
}

OSStatus wxMacDataBrowserControl::SetDefaultColumnWidth( UInt16 width )
{
    return SetDataBrowserTableViewColumnWidth( m_controlRef , width );
}

OSStatus wxMacDataBrowserControl::GetColumnCount(UInt32* numColumns) const
{
    return GetDataBrowserTableViewColumnCount( m_controlRef, numColumns);
}

OSStatus wxMacDataBrowserControl::GetColumnPosition( DataBrowserPropertyID column,
    DataBrowserTableViewColumnIndex *position) const
{
    return GetDataBrowserTableViewColumnPosition( m_controlRef , column , position);
}

OSStatus wxMacDataBrowserControl::SetColumnPosition( DataBrowserPropertyID column, DataBrowserTableViewColumnIndex position)
{
    return SetDataBrowserTableViewColumnPosition( m_controlRef , column , position);
}

OSStatus wxMacDataBrowserControl::GetScrollPosition( UInt32 *top , UInt32 *left ) const
{
    return GetDataBrowserScrollPosition( m_controlRef , top , left );
}

OSStatus wxMacDataBrowserControl::SetScrollPosition( UInt32 top , UInt32 left )
{
    return SetDataBrowserScrollPosition( m_controlRef , top , left );
}

OSStatus wxMacDataBrowserControl::GetSortProperty( DataBrowserPropertyID *column ) const
{
    return GetDataBrowserSortProperty( m_controlRef , column );
}

OSStatus wxMacDataBrowserControl::SetSortProperty( DataBrowserPropertyID column )
{
    return SetDataBrowserSortProperty( m_controlRef , column );
}

OSStatus wxMacDataBrowserControl::GetSortOrder( DataBrowserSortOrder *order ) const
{
    return GetDataBrowserSortOrder( m_controlRef , order );
}

OSStatus wxMacDataBrowserControl::SetSortOrder( DataBrowserSortOrder order )
{
    return SetDataBrowserSortOrder( m_controlRef , order );
}

OSStatus wxMacDataBrowserControl::GetPropertyFlags( DataBrowserPropertyID property,
    DataBrowserPropertyFlags *flags ) const
{
    return GetDataBrowserPropertyFlags( m_controlRef , property , flags );
}

OSStatus wxMacDataBrowserControl::SetPropertyFlags( DataBrowserPropertyID property,
    DataBrowserPropertyFlags flags )
{
    return SetDataBrowserPropertyFlags( m_controlRef , property , flags );
}

OSStatus wxMacDataBrowserControl::GetHeaderDesc( DataBrowserPropertyID property,
    DataBrowserListViewHeaderDesc *desc ) const
{
    return GetDataBrowserListViewHeaderDesc( m_controlRef , property , desc );
}

OSStatus wxMacDataBrowserControl::SetHeaderDesc( DataBrowserPropertyID property,
    DataBrowserListViewHeaderDesc *desc )
{
    return SetDataBrowserListViewHeaderDesc( m_controlRef , property , desc );
}

OSStatus wxMacDataBrowserControl::SetDisclosureColumn( DataBrowserPropertyID property ,
    Boolean expandableRows )
{
    return SetDataBrowserListViewDisclosureColumn( m_controlRef, property, expandableRows);
}

// ============================================================================
// Higher-level Databrowser
// ============================================================================
//
// basing on data item objects
//

wxMacDataItem::wxMacDataItem()
{
    m_data = NULL;

    m_order = 0;
    m_colId = kTextColumnId; // for compat with existing wx*ListBox impls.
}

wxMacDataItem::~wxMacDataItem()
{
}

void wxMacDataItem::SetOrder( SInt32 order )
{
    m_order = order;
}

SInt32 wxMacDataItem::GetOrder() const
{
    return m_order;
}

void wxMacDataItem::SetData( void* data)
{
    m_data = data;
}

void* wxMacDataItem::GetData() const
{
    return m_data;
}

short wxMacDataItem::GetColumn()
{
    return m_colId;
}

void wxMacDataItem::SetColumn( short col )
{
    m_colId = col;
}

void wxMacDataItem::SetLabel( const wxString& str)
{
    m_label = str;
    m_cfLabel.Assign( str , wxLocale::GetSystemEncoding());
}

const wxString& wxMacDataItem::GetLabel() const
{
    return m_label;
}

bool wxMacDataItem::IsLessThan(wxMacDataItemBrowserControl *owner ,
    const wxMacDataItem* rhs,
    DataBrowserPropertyID sortProperty) const
{
    const wxMacDataItem* otherItem = wx_const_cast(wxMacDataItem*,rhs);
    bool retval = false;

    if ( sortProperty == m_colId ){
        retval = m_label.CmpNoCase( otherItem->m_label) < 0;
    }

    else if ( sortProperty == kNumericOrderColumnId )
        retval = m_order < otherItem->m_order;

    return retval;
}

OSStatus wxMacDataItem::GetSetData( wxMacDataItemBrowserControl *owner ,
    DataBrowserPropertyID property,
    DataBrowserItemDataRef itemData,
    bool changeValue )
{
    OSStatus err = errDataBrowserPropertyNotSupported;
    if ( !changeValue )
    {
        if ( property == m_colId ){
            err = ::SetDataBrowserItemDataText( itemData, m_cfLabel );
            err = noErr;
        }
        else if ( property == kNumericOrderColumnId ){
            err = ::SetDataBrowserItemDataValue( itemData, m_order );
            err = noErr;
        }
        else{
        }
    }
    else
    {
        switch (property)
        {
            // no editable props here
            default:
                break;
        }
    }

    return err;
}

void wxMacDataItem::Notification(wxMacDataItemBrowserControl *owner ,
    DataBrowserItemNotification message,
    DataBrowserItemDataRef itemData ) const
{
}

IMPLEMENT_DYNAMIC_CLASS( wxMacDataItemBrowserControl , wxMacDataBrowserControl )

wxMacDataItemBrowserControl::wxMacDataItemBrowserControl( wxWindow* peer , const wxPoint& pos, const wxSize& size, long style) :
    wxMacDataBrowserControl( peer, pos, size, style )
{
    m_suppressSelection = false;
    m_sortOrder = SortOrder_None;
    m_clientDataItemsType = wxClientData_None;
}

wxMacDataItem* wxMacDataItemBrowserControl::CreateItem()
{
    return new wxMacDataItem();
}

wxMacDataItemBrowserSelectionSuppressor::wxMacDataItemBrowserSelectionSuppressor(wxMacDataItemBrowserControl *browser)
{
    m_former = browser->SuppressSelection(true);
    m_browser = browser;
}

wxMacDataItemBrowserSelectionSuppressor::~wxMacDataItemBrowserSelectionSuppressor()
{
    m_browser->SuppressSelection(m_former);
}

bool  wxMacDataItemBrowserControl::SuppressSelection( bool suppress )
{
    bool former = m_suppressSelection;
    m_suppressSelection = suppress;

    return former;
}

Boolean wxMacDataItemBrowserControl::CompareItems(DataBrowserItemID itemOneID,
    DataBrowserItemID itemTwoID,
    DataBrowserPropertyID sortProperty)
{
    wxMacDataItem* itemOne = (wxMacDataItem*) itemOneID;
    wxMacDataItem* itemTwo = (wxMacDataItem*) itemTwoID;
    return CompareItems( itemOne , itemTwo , sortProperty );
}

Boolean wxMacDataItemBrowserControl::CompareItems(const wxMacDataItem*  itemOne,
    const wxMacDataItem*  itemTwo,
    DataBrowserPropertyID sortProperty)
{
    Boolean retval = false;
    if ( itemOne != NULL )
        retval = itemOne->IsLessThan( this , itemTwo , sortProperty);
    return retval;
}

OSStatus wxMacDataItemBrowserControl::GetSetItemData(
    DataBrowserItemID itemID,
    DataBrowserPropertyID property,
    DataBrowserItemDataRef itemData,
    Boolean changeValue )
{
    wxMacDataItem* item = (wxMacDataItem*) itemID;
    return GetSetItemData(item, property, itemData , changeValue );
}

OSStatus wxMacDataItemBrowserControl::GetSetItemData(
    wxMacDataItem* item,
    DataBrowserPropertyID property,
    DataBrowserItemDataRef itemData,
    Boolean changeValue )
{
    OSStatus err = errDataBrowserPropertyNotSupported;
    switch( property )
    {
        case kDataBrowserContainerIsClosableProperty :
        case kDataBrowserContainerIsSortableProperty :
        case kDataBrowserContainerIsOpenableProperty :
            // right now default behaviour on these
            break;
        default :

            if ( item != NULL ){
                err = item->GetSetData( this, property , itemData , changeValue );
            }
            break;

    }
    return err;
}

void wxMacDataItemBrowserControl::ItemNotification(
    DataBrowserItemID itemID,
    DataBrowserItemNotification message,
    DataBrowserItemDataRef itemData)
{
    wxMacDataItem* item = (wxMacDataItem*) itemID;
    ItemNotification( item , message, itemData);
}

void wxMacDataItemBrowserControl::ItemNotification(
    const wxMacDataItem* item,
    DataBrowserItemNotification message,
    DataBrowserItemDataRef itemData)
{
    if (item != NULL)
        item->Notification( this, message, itemData);
}

unsigned int wxMacDataItemBrowserControl::GetItemCount(const wxMacDataItem* container,
        bool recurse , DataBrowserItemState state) const
{
    ItemCount numItems = 0;
    verify_noerr( wxMacDataBrowserControl::GetItemCount( (DataBrowserItemID)container,
        recurse, state, &numItems ) );
    return numItems;
}

unsigned int wxMacDataItemBrowserControl::GetSelectedItemCount( const wxMacDataItem* container,
        bool recurse ) const
{
    return GetItemCount( container, recurse, kDataBrowserItemIsSelected );

}

void wxMacDataItemBrowserControl::GetItems(const wxMacDataItem* container,
    bool recurse , DataBrowserItemState state, wxArrayMacDataItemPtr &items) const
{
    Handle handle = NewHandle(0);
    verify_noerr( wxMacDataBrowserControl::GetItems( (DataBrowserItemID)container ,
        recurse , state, handle) );

    int itemCount = GetHandleSize(handle)/sizeof(DataBrowserItemID);
    HLock( handle );
    wxMacDataItemPtr* itemsArray = (wxMacDataItemPtr*) *handle;
    for ( int i = 0; i < itemCount; ++i)
    {
        items.Add(itemsArray[i]);
    }
    HUnlock( handle );
    DisposeHandle( handle );
}

unsigned int wxMacDataItemBrowserControl::GetLineFromItem(const wxMacDataItem* item) const
{
    DataBrowserTableViewRowIndex row;
    OSStatus err = GetItemRow( (DataBrowserItemID) item , &row);
    wxASSERT( err == noErr);
    return row;
}

wxMacDataItem*  wxMacDataItemBrowserControl::GetItemFromLine(unsigned int n) const
{