uma.cpp

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

void UMAInsertMenuItem( MenuRef menu , const wxString& title, wxFontEncoding encoding , MenuItemIndex item , wxAcceleratorEntry *entry )
{
    MacInsertMenuItem( menu , "\pA" , item) ;
    UMASetMenuItemText(menu, item+1 , title , encoding );
    UMASetMenuItemShortcut( menu , item+1 , entry ) ;
}

// quickdraw

#if !TARGET_CARBON

int gPrOpenCounter = 0 ;

OSStatus UMAPrOpen()
{
    OSErr err = noErr ;
    ++gPrOpenCounter ;
    if ( gPrOpenCounter == 1 )
    {
        PrOpen() ;
        err = PrError() ;
        wxASSERT( err == noErr ) ;
    }
    return err ;
}

OSStatus UMAPrClose()
{
    OSErr err = noErr ;
    wxASSERT( gPrOpenCounter >= 1 ) ;
    if ( gPrOpenCounter == 1 )
    {
        PrClose() ;
        err = PrError() ;
        wxASSERT( err == noErr ) ;
    }
    --gPrOpenCounter ;
    return err ;
}

pascal QDGlobalsPtr GetQDGlobalsPtr (void) ;
pascal QDGlobalsPtr GetQDGlobalsPtr (void)
{
    return QDGlobalsPtr (* (Ptr*) LMGetCurrentA5 ( ) - 0xCA);
}

#endif

void UMAShowWatchCursor()
{
    OSErr err = noErr;

    CursHandle watchFob = GetCursor (watchCursor);

    if (!watchFob)
        err = nilHandleErr;
    else
    {
    #if TARGET_CARBON
//        Cursor preservedArrow;
//        GetQDGlobalsArrow (&preservedArrow);
//        SetQDGlobalsArrow (*watchFob);
//        InitCursor ( );
//        SetQDGlobalsArrow (&preservedArrow);
        SetCursor (*watchFob);
    #else
        SetCursor (*watchFob);
    #endif
    }
}

void            UMAShowArrowCursor()
{
#if TARGET_CARBON
    Cursor arrow;
    SetCursor (GetQDGlobalsArrow (&arrow));
#else
    SetCursor (&(qd.arrow));
#endif
}

// window manager

GrafPtr        UMAGetWindowPort( WindowRef inWindowRef )
{
    wxASSERT( inWindowRef != NULL ) ;
#if TARGET_CARBON
    return (GrafPtr) GetWindowPort( inWindowRef ) ;
#else
    return (GrafPtr) inWindowRef ;
#endif
}

void             UMADisposeWindow( WindowRef inWindowRef )
{
    wxASSERT( inWindowRef != NULL ) ;
    DisposeWindow( inWindowRef ) ;
}

void UMASetWTitle( WindowRef inWindowRef , const wxString& title , wxFontEncoding encoding)
{
#if TARGET_CARBON
    SetWindowTitleWithCFString( inWindowRef , wxMacCFStringHolder(title , encoding) ) ;
#else
    Str255 ptitle ;
    wxMacStringToPascal( title , ptitle ) ;
    SetWTitle( inWindowRef , ptitle ) ;
#endif
}

// appearance additions

void UMASetControlTitle( ControlHandle inControl , const wxString& title , wxFontEncoding encoding)
{
#if TARGET_CARBON
    SetControlTitleWithCFString( inControl , wxMacCFStringHolder(title , encoding) ) ;
#else
    Str255 ptitle ;
    wxMacStringToPascal( title , ptitle ) ;
    SetControlTitle( inControl , ptitle ) ;
#endif
}

void UMAActivateControl( ControlHandle inControl )
{
    // we have to add the control after again to the update rgn
    // otherwise updates get lost
    if ( !IsControlActive( inControl ) )
    {
        bool visible = IsControlVisible( inControl ) ;
        if ( visible )
            SetControlVisibility( inControl , false , false ) ;
        ::ActivateControl( inControl ) ;
        if ( visible ) {
            SetControlVisibility( inControl , true , false ) ;
            Rect ctrlBounds ;
            InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
        }
    }
}

void UMADrawControl( ControlHandle inControl )
{
    WindowRef theWindow = GetControlOwner(inControl) ;
    wxMacPortStateHelper help( (GrafPtr) GetWindowPort(theWindow) ) ;
    RgnHandle updateRgn = NewRgn() ;
    GetWindowUpdateRgn( theWindow , updateRgn ) ;
    Point zero = { 0 , 0 } ;
    LocalToGlobal( &zero ) ;
    OffsetRgn( updateRgn , -zero.h , -zero.v ) ;
    ::DrawControlInCurrentPort( inControl ) ;
    InvalWindowRgn( theWindow, updateRgn) ;
    DisposeRgn( updateRgn ) ;
}

void UMAMoveControl( ControlHandle inControl , short x , short y )
{
    bool visible = IsControlVisible( inControl ) ;
    if ( visible ) {
        SetControlVisibility( inControl , false , false ) ;
        Rect ctrlBounds ;
        InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
    }
    ::MoveControl( inControl , x , y ) ;
    if ( visible ) {
        SetControlVisibility( inControl , true , false ) ;
        Rect ctrlBounds ;
        InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
    }
}

void UMASizeControl( ControlHandle inControl , short x , short y )
{
    bool visible = IsControlVisible( inControl ) ;
    if ( visible ) {
        SetControlVisibility( inControl , false , false ) ;
        Rect ctrlBounds ;
        InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
    }
    ::SizeControl( inControl , x , y ) ;
    if ( visible ) {
        SetControlVisibility( inControl , true , false ) ;
        Rect ctrlBounds ;
        InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
    }
}

void UMADeactivateControl( ControlHandle inControl )
{
    // we have to add the control after again to the update rgn
    // otherwise updates get lost
    bool visible = IsControlVisible( inControl ) ;
    if ( visible )
        SetControlVisibility( inControl , false , false ) ;
    ::DeactivateControl( inControl ) ;
    if ( visible ) {
        SetControlVisibility( inControl , true , false ) ;
        Rect ctrlBounds ;
        InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
    }
}
// shows the control and adds the region to the update region
void UMAShowControl                        (ControlHandle             inControl)
{
    SetControlVisibility( inControl , true , false ) ;
    Rect ctrlBounds ;
    InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
}

// shows the control and adds the region to the update region
void UMAHideControl                        (ControlHandle             inControl)
{
    SetControlVisibility( inControl , false , false ) ;
    Rect ctrlBounds ;
    InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
}
// keyboard focus
OSErr UMASetKeyboardFocus                (WindowPtr                 inWindow,
                                 ControlHandle             inControl,
                                 ControlFocusPart         inPart)
{
    OSErr err = noErr;
    GrafPtr port ;
    GetPort( &port ) ;

    SetPortWindowPort( inWindow ) ;

    err = SetKeyboardFocus( inWindow , inControl , inPart ) ;
    SetPort( port ) ;
    return err ;
}


// events
void UMAUpdateControls( WindowPtr inWindow , RgnHandle inRgn )
{
    wxMacPortStateHelper help( (GrafPtr) GetWindowPort( (WindowRef) inWindow) ) ;
    RgnHandle updateRgn = NewRgn() ;
    GetWindowUpdateRgn( inWindow , updateRgn ) ;

    Point zero = { 0 , 0 } ;
    LocalToGlobal( &zero ) ;
    OffsetRgn( updateRgn , -zero.h , -zero.v ) ;

    UpdateControls( inWindow , inRgn ) ;
    InvalWindowRgn( inWindow, updateRgn) ;
    DisposeRgn( updateRgn ) ;
}

bool UMAIsWindowFloating( WindowRef inWindow )
{
    WindowClass cl ;

    GetWindowClass( inWindow , &cl ) ;
    return cl == kFloatingWindowClass ;
}

bool UMAIsWindowModal( WindowRef inWindow )
{
    WindowClass cl ;

    GetWindowClass( inWindow , &cl ) ;
    return cl < kFloatingWindowClass ;
}

// others

void UMAHighlightAndActivateWindow( WindowRef inWindowRef , bool inActivate )
{
    if ( inWindowRef )
    {
//        bool isHighlighted = IsWindowHighlited( inWindowRef ) ;
//        if ( inActivate != isHightlited )
        GrafPtr port ;
        GetPort( &port ) ;
        SetPortWindowPort( inWindowRef ) ;
        HiliteWindow( inWindowRef , inActivate ) ;
        ControlHandle control = NULL ;
        ::GetRootControl( inWindowRef , & control ) ;
        if ( control )
        {
            if ( inActivate )
                UMAActivateControl( control ) ;
            else
                UMADeactivateControl( control ) ;
        }
        SetPort( port ) ;
    }
}

OSStatus UMADrawThemePlacard( const Rect *inRect , ThemeDrawState inState )
{
    return ::DrawThemePlacard( inRect , inState ) ;
}

#if !TARGET_CARBON
static OSStatus helpMenuStatus = noErr ;
static MenuItemIndex firstCustomItemIndex = 0 ;
#endif

OSStatus UMAGetHelpMenu(
  MenuRef *        outHelpMenu,
  MenuItemIndex *  outFirstCustomItemIndex)
{
#if TARGET_CARBON
    return HMGetHelpMenu( outHelpMenu , outFirstCustomItemIndex ) ;
#else
    MenuRef helpMenuHandle ;
    helpMenuStatus = HMGetHelpMenuHandle( &helpMenuHandle ) ;
    if ( firstCustomItemIndex == 0 && helpMenuStatus == noErr )
    {
        firstCustomItemIndex = CountMenuItems( helpMenuHandle ) + 1 ;
    }
    if ( outFirstCustomItemIndex )
    {
        *outFirstCustomItemIndex = firstCustomItemIndex ;
    }
    *outHelpMenu = helpMenuHandle ;
    return helpMenuStatus ;
#endif
}

wxMacPortStateHelper::wxMacPortStateHelper( GrafPtr newport)
{
    m_clip = NULL ;
    Setup( newport ) ;
}

wxMacPortStateHelper::wxMacPortStateHelper()
{
    m_clip = NULL ;
}

void wxMacPortStateHelper::Setup( GrafPtr newport )
{
    GetPort( &m_oldPort ) ;
    SetPort( newport ) ;
    SetOrigin(0,0);
    wxASSERT_MSG( m_clip == NULL , wxT("Cannot call setup twice") ) ;
    m_clip = NewRgn() ;
    GetClip( m_clip );
    m_textFont = GetPortTextFont( (CGrafPtr) newport);
    m_textSize = GetPortTextSize( (CGrafPtr) newport);
    m_textStyle = GetPortTextFace( (CGrafPtr) newport);
    m_textMode = GetPortTextMode( (CGrafPtr) newport);
    GetThemeDrawingState( &m_drawingState ) ;
    m_currentPort = newport ;
}
void wxMacPortStateHelper::Clear()
{
    if ( m_clip )
    {
        DisposeRgn( m_clip ) ;
        DisposeThemeDrawingState( m_drawingState ) ;
        m_clip = NULL ;
    }
}

wxMacPortStateHelper::~wxMacPortStateHelper()
{
    if ( m_clip )
    {
        SetPort( m_currentPort ) ;
        SetClip( m_clip ) ;
        DisposeRgn( m_clip ) ;
        TextFont( m_textFont );
        TextSize( m_textSize );
        TextFace( m_textStyle );
        TextMode( m_textMode );
        SetThemeDrawingState( m_drawingState , true ) ;
        SetPort( m_oldPort ) ;
    }
}

OSStatus UMAPutScrap( Size size , OSType type , void *data )
{
    OSStatus err = noErr ;
#if !TARGET_CARBON
    err = PutScrap( size , type , data ) ;
#else
    ScrapRef    scrap;
    err = GetCurrentScrap (&scrap);
    if ( !err )
    {
        err = PutScrapFlavor (scrap, type , 0, size, data);
    }
#endif
    return err ;
}

#endif  // wxUSE_GUI

#if wxUSE_BASE

static bool sUMASystemInitialized = false ;

bool UMASystemIsInitialized()
{
    return sUMASystemInitialized ;
}

void UMASetSystemIsInitialized(bool val)
{
    sUMASystemInitialized = val;
}


#endif // wxUSE_BASE