utils.cpp

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

void wxMacControl::SetValue( SInt32 v )
{
    ::SetControl32BitValue( m_controlRef , v );
}

void wxMacControl::SetMinimum( SInt32 v )
{
    ::SetControl32BitMinimum( m_controlRef , v );
}

void wxMacControl::SetMaximum( SInt32 v )
{
    ::SetControl32BitMaximum( m_controlRef , v );
}

void wxMacControl::SetValueAndRange( SInt32 value , SInt32 minimum , SInt32 maximum )
{
    ::SetControl32BitMinimum( m_controlRef , minimum );
    ::SetControl32BitMaximum( m_controlRef , maximum );
    ::SetControl32BitValue( m_controlRef , value );
}

OSStatus wxMacControl::SetFocus( ControlFocusPart focusPart )
{
    return SetKeyboardFocus( GetControlOwner( m_controlRef ), m_controlRef, focusPart );
}

bool wxMacControl::HasFocus() const
{
    ControlRef control;
    GetKeyboardFocus( GetUserFocusWindow() , &control );
    return control == m_controlRef;
}

void wxMacControl::SetNeedsFocusRect( bool needs )
{
    m_needsFocusRect = needs;
}

bool wxMacControl::NeedsFocusRect() const
{
    return m_needsFocusRect;
}

void wxMacControl::VisibilityChanged(bool shown)
{
}

void wxMacControl::SuperChangedPosition()
{
}

void wxMacControl::SetFont( const wxFont & font , const wxColour& foreground , long windowStyle )
{
    m_font = font;
    ControlFontStyleRec fontStyle;
    if ( font.MacGetThemeFontID() != kThemeCurrentPortFont )
    {
        switch ( font.MacGetThemeFontID() )
        {
            case kThemeSmallSystemFont :
                fontStyle.font = kControlFontSmallSystemFont;
                break;

            case 109 : // mini font
                fontStyle.font = -5;
                break;

            case kThemeSystemFont :
                fontStyle.font = kControlFontBigSystemFont;
                break;

            default :
                fontStyle.font = kControlFontBigSystemFont;
                break;
        }

        fontStyle.flags = kControlUseFontMask;
    }
    else
    {
        fontStyle.font = font.MacGetFontNum();
        fontStyle.style = font.MacGetFontStyle();
        fontStyle.size = font.MacGetFontSize();
        fontStyle.flags = kControlUseFontMask | kControlUseFaceMask | kControlUseSizeMask;
    }

    fontStyle.just = teJustLeft;
    fontStyle.flags |= kControlUseJustMask;
    if ( ( windowStyle & wxALIGN_MASK ) & wxALIGN_CENTER_HORIZONTAL )
        fontStyle.just = teJustCenter;
    else if ( ( windowStyle & wxALIGN_MASK ) & wxALIGN_RIGHT )
        fontStyle.just = teJustRight;


    // we only should do this in case of a non-standard color, as otherwise 'disabled' controls
    // won't get grayed out by the system anymore

    if ( foreground != *wxBLACK )
    {
        fontStyle.foreColor = MAC_WXCOLORREF( foreground.GetPixel() );
        fontStyle.flags |= kControlUseForeColorMask;
    }

    ::SetControlFontStyle( m_controlRef , &fontStyle );
}

void wxMacControl::SetBackground( const wxBrush &WXUNUSED(brush) )
{
    // TODO
    // setting up a color proc is not recommended anymore
}

void wxMacControl::SetRange( SInt32 minimum , SInt32 maximum )
{
    ::SetControl32BitMinimum( m_controlRef , minimum );
    ::SetControl32BitMaximum( m_controlRef , maximum );
}

short wxMacControl::HandleKey( SInt16 keyCode,  SInt16 charCode, EventModifiers modifiers )
{
#ifndef __LP64__
    return HandleControlKey( m_controlRef , keyCode , charCode , modifiers );
#else
    return 0;
#endif
}

void wxMacControl::SetActionProc( ControlActionUPP   actionProc )
{
    SetControlAction( m_controlRef , actionProc );
}

void wxMacControl::SetViewSize( SInt32 viewSize )
{
    SetControlViewSize(m_controlRef , viewSize );
}

SInt32 wxMacControl::GetViewSize() const
{
    return GetControlViewSize( m_controlRef );
}

bool wxMacControl::IsVisible() const
{
    return IsControlVisible( m_controlRef );
}

void wxMacControl::SetVisibility( bool visible , bool redraw )
{
    SetControlVisibility( m_controlRef , visible , redraw );
}

bool wxMacControl::IsEnabled() const
{
#if TARGET_API_MAC_OSX
    return IsControlEnabled( m_controlRef );
#else
    return IsControlActive( m_controlRef );
#endif
}

bool wxMacControl::IsActive() const
{
    return IsControlActive( m_controlRef );
}

void wxMacControl::Enable( bool enable )
{
    if ( enable )
        EnableControl( m_controlRef );
    else
        DisableControl( m_controlRef );
}

void wxMacControl::SetDrawingEnabled( bool enable )
{
    HIViewSetDrawingEnabled( m_controlRef , enable );
}

bool wxMacControl::GetNeedsDisplay() const
{
    return HIViewGetNeedsDisplay( m_controlRef );
}

void wxMacControl::SetNeedsDisplay( RgnHandle where )
{
    if ( !IsVisible() )
        return;

    HIViewSetNeedsDisplayInRegion( m_controlRef , where , true );
}

void wxMacControl::SetNeedsDisplay( Rect* where )
{
    if ( !IsVisible() )
        return;

    if ( where != NULL )
    {
        RgnHandle update = NewRgn();
        RectRgn( update , where );
        HIViewSetNeedsDisplayInRegion( m_controlRef , update , true );
        DisposeRgn( update );
    }
    else
        HIViewSetNeedsDisplay( m_controlRef , true );
}

void  wxMacControl::Convert( wxPoint *pt , wxMacControl *from , wxMacControl *to )
{
    HIPoint hiPoint;

    hiPoint.x = pt->x;
    hiPoint.y = pt->y;
    HIViewConvertPoint( &hiPoint , from->m_controlRef , to->m_controlRef  );
    pt->x = (int)hiPoint.x;
    pt->y = (int)hiPoint.y;
}

void wxMacControl::SetRect( Rect *r )
{
        //A HIRect is actually a CGRect on OSX - which consists of two structures -
        //CGPoint and CGSize, which have two floats each
        HIRect hir = { { r->left , r->top }, { r->right - r->left , r->bottom - r->top } };
        HIViewSetFrame ( m_controlRef , &hir );
        // eventuall we might have to do a SetVisibility( false , true );
        // before and a SetVisibility( true , true ); after
}

void wxMacControl::GetRect( Rect *r )
{
    GetControlBounds( m_controlRef , r );
}

void wxMacControl::GetRectInWindowCoords( Rect *r )
{
    UMAGetControlBoundsInWindowCoords( m_controlRef , r );
}

void wxMacControl::GetBestRect( Rect *r )
{
    short   baselineoffset;

    GetBestControlRect( m_controlRef , r , &baselineoffset );
}

void wxMacControl::SetLabel( const wxString &title )
{
    wxFontEncoding encoding;

    if ( m_font.Ok() )
        encoding = m_font.GetEncoding();
    else
        encoding = wxFont::GetDefaultEncoding();

    UMASetControlTitle( m_controlRef , title , encoding );
}

void wxMacControl::GetFeatures( UInt32 * features )
{
    GetControlFeatures( m_controlRef , features );
}

OSStatus wxMacControl::GetRegion( ControlPartCode partCode , RgnHandle region )
{
    OSStatus err = GetControlRegion( m_controlRef , partCode , region );
    return err;
}

OSStatus wxMacControl::SetZOrder( bool above , wxMacControl* other )
{
#if TARGET_API_MAC_OSX
    return HIViewSetZOrder( m_controlRef,above ? kHIViewZOrderAbove : kHIViewZOrderBelow,
       (other != NULL) ? other->m_controlRef : NULL);
#else
    return 0;
#endif
}

#if TARGET_API_MAC_OSX
// SetNeedsDisplay would not invalidate the children
static void InvalidateControlAndChildren( HIViewRef control )
{
    HIViewSetNeedsDisplay( control , true );
    UInt16 childrenCount = 0;
    OSStatus err = CountSubControls( control , &childrenCount );
    if ( err == errControlIsNotEmbedder )
        return;

    wxASSERT_MSG( err == noErr , wxT("Unexpected error when accessing subcontrols") );

    for ( UInt16 i = childrenCount; i >=1; --i )
    {
        HIViewRef child;

        err = GetIndexedSubControl( control , i , & child );
        if ( err == errControlIsNotEmbedder )
            return;

        InvalidateControlAndChildren( child );
    }
}
#endif

void wxMacControl::InvalidateWithChildren()
{
#if TARGET_API_MAC_OSX
    InvalidateControlAndChildren( m_controlRef );
#endif
}

void wxMacControl::ScrollRect( wxRect *r , int dx , int dy )
{
    wxASSERT( r != NULL );

    HIRect scrollarea = CGRectMake( r->x , r->y , r->width , r->height);
    HIViewScrollRect ( m_controlRef , &scrollarea , dx ,dy );
}

OSType wxMacCreator = 'WXMC';
OSType wxMacControlProperty = 'MCCT';

void wxMacControl::SetReferenceInNativeControl()
{
    void * data = this;
    verify_noerr( SetControlProperty ( m_controlRef ,
        wxMacCreator,wxMacControlProperty, sizeof(data), &data ) );
}

wxMacControl* wxMacControl::GetReferenceFromNativeControl(ControlRef control)
{
    wxMacControl* ctl = NULL;
    ByteCount actualSize;
    if ( GetControlProperty( control ,wxMacCreator,wxMacControlProperty, sizeof(ctl) ,
        &actualSize , &ctl ) == noErr )
    {
        return ctl;
    }
    return NULL;
}

// ============================================================================
// DataBrowser Wrapper
// ============================================================================
//
// basing on DataBrowserItemIDs
//

IMPLEMENT_ABSTRACT_CLASS( wxMacDataBrowserControl , wxMacControl )

pascal void wxMacDataBrowserControl::DataBrowserItemNotificationProc(
    ControlRef browser,
    DataBrowserItemID itemID,
    DataBrowserItemNotification message,
    DataBrowserItemDataRef itemData )
{
    wxMacDataBrowserControl* ctl = wxDynamicCast(wxMacControl::GetReferenceFromNativeControl( browser ), wxMacDataBrowserControl);
    if ( ctl != 0 )
    {
        ctl->ItemNotification(itemID, message, itemData);
    }
}

pascal OSStatus wxMacDataBrowserControl::DataBrowserGetSetItemDataProc(
    ControlRef browser,
    DataBrowserItemID itemID,
    DataBrowserPropertyID property,
    DataBrowserItemDataRef itemData,
    Boolean changeValue )
{
    OSStatus err = errDataBrowserPropertyNotSupported;
    wxMacDataBrowserControl* ctl = wxDynamicCast(wxMacControl::GetReferenceFromNativeControl( browser ), wxMacDataBrowserControl);
    if ( ctl != 0 )
    {
        err = ctl->GetSetItemData(itemID, property, itemData, changeValue);
    }
    return err;
}

pascal Boolean wxMacDataBrowserControl::DataBrowserCompareProc(
    ControlRef browser,
    DataBrowserItemID itemOneID,
    DataBrowserItemID itemTwoID,
    DataBrowserPropertyID sortProperty)
{
    wxMacDataBrowserControl* ctl = wxDynamicCast(wxMacControl::GetReferenceFromNativeControl( browser ), wxMacDataBrowserControl);
    if ( ctl != 0 )
    {
        return ctl->CompareItems(itemOneID, itemTwoID, sortProperty);
    }
    return false;
}

DataBrowserItemDataUPP gDataBrowserItemDataUPP = NULL;
DataBrowserItemNotificationUPP gDataBrowserItemNotificationUPP = NULL;
DataBrowserItemCompareUPP gDataBrowserItemCompareUPP = NULL;

wxMacDataBrowserControl::wxMacDataBrowserControl( wxWindow* peer, const wxPoint& pos, const wxSize& size, long style) : wxMacControl( peer )
{
    Rect bounds = wxMacGetBoundsForControl( peer, pos, size );
    OSStatus err = ::CreateDataBrowserControl(
        MAC_WXHWND(peer->MacGetTopLevelWindowRef()),
        &bounds, kDataBrowserListView, &m_controlRef );
    SetReferenceInNativeControl();
    verify_noerr( err );
    if ( gDataBrowserItemCompareUPP == NULL )
        gDataBrowserItemCompareUPP = NewDataBrowserItemCompareUPP(DataBrowserCompareProc);
    if ( gDataBrowserItemDataUPP == NULL )
        gDataBrowserItemDataUPP = NewDataBrowserItemDataUPP(DataBrowserGetSetItemDataProc);
    if ( gDataBrowserItemNotificationUPP == NULL )
    {
        gDataBrowserItemNotificationUPP =
#if TARGET_API_MAC_OSX
            (DataBrowserItemNotificationUPP) NewDataBrowserItemNotificationWithItemUPP(DataBrowserItemNotificationProc);
#else
            NewDataBrowserItemNotificationUPP(DataBrowserItemNotificationProc);
#endif
    }

    DataBrowserCallbacks callbacks;
    InitializeDataBrowserCallbacks( &callbacks, kDataBrowserLatestCallbacks );

    callbacks.u.v1.itemDataCallback = gDataBrowserItemDataUPP;
    callbacks.u.v1.itemCompareCallback = gDataBrowserItemCompareUPP;
    callbacks.u.v1.itemNotificationCallback = gDataBrowserItemNotificationUPP;
    SetCallbacks( &callbacks );

}

OSStatus wxMacDataBrowserControl::GetItemCount( DataBrowserItemID container,
    Boolean recurse,
    DataBrowserItemState state,
    ItemCount *numItems) const
{
    return GetDataBrowserItemCount( m_controlRef, container, recurse, state, numItems );
}

OSStatus wxMacDataBrowserControl::GetItems( DataBrowserItemID container,
    Boolean recurse,
    DataBrowserItemState state,
    Handle items) const
{
    return GetDataBrowserItems( m_controlRef, container, recurse, state, items );
}

OSStatus wxMacDataBrowserControl::SetSelectionFlags( DataBrowserSelectionFlags options )
{
    return SetDataBrowserSelectionFlags( m_controlRef, options );
}

OSStatus wxMacDataBrowserControl::AddColumn( DataBrowserListViewColumnDesc *columnDesc,
        DataBrowserTableViewColumnIndex position )
{
    return AddDataBrowserListViewColumn( m_controlRef, columnDesc, position );
}

OSStatus wxMacDataBrowserControl::GetColumnIDFromIndex( DataBrowserTableViewColumnIndex position, DataBrowserTableViewColumnID* id ){
    return GetDataBrowserTableViewColumnProperty( m_controlRef, position, id );
}

OSStatus wxMacDataBrowserControl::RemoveColumn( DataBrowserTableViewColumnIndex position )
{
    DataBrowserTableViewColumnID id;
    GetColumnIDFromIndex( position, &id );
    return RemoveDataBrowserTableViewColumn( m_controlRef, id );
}

OSStatus wxMacDataBrowserControl::AutoSizeColumns()
{
    return AutoSizeDataBrowserListViewColumns(m_controlRef);