cursor.cpp

Wxpython Implemented on Windows CE, Source code

    unsigned char mb = image16.GetMaskBlue() ;
    for ( int y = 0 ; y < h ; ++y )
    {
        short rowbits = 0 ;
        short maskbits = 0 ;

        for ( int x = 0 ; x < w ; ++x )
        {
            long pos = (y * w + x) * 3;

            unsigned char r = rgbBits[pos] ;
            unsigned char g = rgbBits[pos+1] ;
            unsigned char b = rgbBits[pos+2] ;
            RGBColor col = { 0xFFFF ,0xFFFF, 0xFFFF } ;

            if ( bHasMask && r==mr && g==mg && b==mb )
            {
                // masked area, does not appear anywhere
            }
            else
            {
                if ( (int)r + (int)g + (int)b < 0x0200 )
                {
                    rowbits |= ( 1 << (15-x) ) ;
                }
                maskbits |= ( 1 << (15-x) ) ;

                col = *((RGBColor*) wxColor( r , g , b ).GetPixel()) ;
            }
            *((*(**ch).crsrData) + y * bytesPerRow + x) =
                GetCTabIndex( newColors , &col) ;
        }
        (**ch).crsr1Data[y] = rowbits ;
        (**ch).crsrMask[y] = maskbits ;
    }
    if ( !bHasMask )
    {
        memcpy( (**ch).crsrMask , (**ch).crsr1Data , sizeof( Bits16) ) ;
    }

    HUnlock((Handle) ch) ;
    M_CURSORDATA->m_hCursor = ch ;
    M_CURSORDATA->m_isColorCursor = true ;
#endif
}

wxCursor::wxCursor(const wxString& cursor_file, long flags, int hotSpotX, int hotSpotY)
{
    m_refData = new wxCursorRefData;
    if ( flags == wxBITMAP_TYPE_MACCURSOR_RESOURCE )
    {
        Str255 theName ;
        wxMacStringToPascal( cursor_file , theName ) ;

        wxStAppResource resload ;
        Handle resHandle = ::GetNamedResource( 'crsr' , theName ) ;
        if ( resHandle )
        {
            short theId = -1 ;
            OSType theType ;
            GetResInfo( resHandle , &theId , &theType , theName ) ;
            ReleaseResource( resHandle ) ;
            M_CURSORDATA->m_hCursor = GetCCursor( theId ) ;
            if ( M_CURSORDATA->m_hCursor )
                M_CURSORDATA->m_isColorCursor = true ;
        }
        else
        {
            Handle resHandle = ::GetNamedResource( 'CURS' , theName ) ;
            if ( resHandle )
            {
                short theId = -1 ;
                OSType theType ;
                GetResInfo( resHandle , &theId , &theType , theName ) ;
                ReleaseResource( resHandle ) ;
                 M_CURSORDATA->m_hCursor = GetCursor( theId ) ;
                if ( M_CURSORDATA->m_hCursor )
                    M_CURSORDATA->m_releaseHandle = true ;
            }
        }
    }
    else
    {
        wxImage image ;
        image.LoadFile( cursor_file , flags ) ;
        if( image.Ok() )
        {
            image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X,hotSpotX ) ;
            image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y,hotSpotY ) ;
            delete m_refData ;
            CreateFromImage(image) ;
        }
    }
}

// Cursors by stock number
wxCursor::wxCursor(int cursor_type)
{
    m_refData = new wxCursorRefData;

    switch (cursor_type)
    {
    case wxCURSOR_COPY_ARROW:
        M_CURSORDATA->m_themeCursor = kThemeCopyArrowCursor ;
        break;
    case wxCURSOR_WAIT:
        M_CURSORDATA->m_themeCursor = kThemeWatchCursor ;
        break;
    case wxCURSOR_IBEAM:
        M_CURSORDATA->m_themeCursor = kThemeIBeamCursor ;
        break;
    case wxCURSOR_CROSS:
        M_CURSORDATA->m_themeCursor = kThemeCrossCursor;
        break;
    case wxCURSOR_SIZENWSE:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorSizeNWSE);
        }
        break;
    case wxCURSOR_SIZENESW:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorSizeNESW);
        }
        break;
    case wxCURSOR_SIZEWE:
        {
            M_CURSORDATA->m_themeCursor = kThemeResizeLeftRightCursor;
        }
        break;
    case wxCURSOR_SIZENS:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorSizeNS);
        }
        break;
    case wxCURSOR_SIZING:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorSize);
        }
        break;
    case wxCURSOR_HAND:
        {
            M_CURSORDATA->m_themeCursor = kThemePointingHandCursor;
        }
        break;
    case wxCURSOR_BULLSEYE:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorBullseye);
        }
        break;
    case wxCURSOR_PENCIL:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorPencil);
        }
        break;
    case wxCURSOR_MAGNIFIER:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorMagnifier);
        }
        break;
    case wxCURSOR_NO_ENTRY:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorNoEntry);
        }
        break;
    case wxCURSOR_WATCH:
        {
            M_CURSORDATA->m_themeCursor = kThemeWatchCursor;
            break;
        }
    case wxCURSOR_PAINT_BRUSH:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorPaintBrush);
            break;
        }
    case wxCURSOR_POINT_LEFT:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorPointLeft);
            break;
        }
    case wxCURSOR_POINT_RIGHT:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorPointRight);
            break;
        }
    case wxCURSOR_QUESTION_ARROW:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorQuestionArrow);
            break;
        }
    case wxCURSOR_BLANK:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorBlank);
            break;
        }
    case wxCURSOR_RIGHT_ARROW:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorRightArrow);
            break;
        }
    case wxCURSOR_SPRAYCAN:
        {
            wxStAppResource resload ;
            M_CURSORDATA->m_hCursor = ::GetCursor(kwxCursorRoller);
            break;
        }
    case wxCURSOR_CHAR:
    case wxCURSOR_ARROW:
    case wxCURSOR_LEFT_BUTTON:
    case wxCURSOR_RIGHT_BUTTON:
    case wxCURSOR_MIDDLE_BUTTON:
    default:
        M_CURSORDATA->m_themeCursor = kThemeArrowCursor ;
        break;
    }
    if ( M_CURSORDATA->m_themeCursor == -1 )
        M_CURSORDATA->m_releaseHandle = true ;
}

void wxCursor::MacInstall() const
{
    gMacCurrentCursor = *this ;
    if ( m_refData && M_CURSORDATA->m_themeCursor != -1 )
    {
        SetThemeCursor( M_CURSORDATA->m_themeCursor ) ;
    }
    else if ( m_refData && M_CURSORDATA->m_hCursor )
    {
        if ( M_CURSORDATA->m_isColorCursor )
            ::SetCCursor( (CCrsrHandle) M_CURSORDATA->m_hCursor ) ;
        else
            ::SetCursor( * (CursHandle) M_CURSORDATA->m_hCursor ) ;
    }
    else
    {
        SetThemeCursor( kThemeArrowCursor ) ;
    }
}

wxCursor::~wxCursor()
{
}

// Global cursor setting
void wxSetCursor(const wxCursor& cursor)
{
    cursor.MacInstall() ;
}