cursor.cpp

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

/////////////////////////////////////////////////////////////////////////////
// Name:        src/mac/carbon/cursor.cpp
// Purpose:     wxCursor class
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: cursor.cpp,v 1.39 2006/10/14 16:47:12 SC Exp $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#include "wx/cursor.h"

#ifndef WX_PRECOMP
    #include "wx/app.h"
    #include "wx/icon.h"
    #include "wx/image.h"
#endif // WX_PRECOMP

#include "wx/xpmdecod.h"

#include "wx/mac/private.h"


IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxBitmap)


class WXDLLEXPORT wxCursorRefData: public wxBitmapRefData
{
    DECLARE_NO_COPY_CLASS(wxCursorRefData)

    friend class WXDLLEXPORT wxBitmap;
    friend class WXDLLEXPORT wxCursor;

public:
    wxCursorRefData();
    virtual ~wxCursorRefData();

protected:
    WXHCURSOR     m_hCursor;
    bool        m_disposeHandle;
    bool        m_releaseHandle;
    bool        m_isColorCursor;
    long        m_themeCursor;
};

#define M_CURSORDATA wx_static_cast(wxCursorRefData*, m_refData)

const short kwxCursorBullseye = 0;
const short kwxCursorBlank = 1;
const short kwxCursorPencil = 2;
const short kwxCursorMagnifier = 3;
const short kwxCursorNoEntry = 4;
const short kwxCursorPaintBrush = 5;
const short kwxCursorPointRight = 6;
const short kwxCursorPointLeft = 7;
const short kwxCursorQuestionArrow = 8;
const short kwxCursorRightArrow = 9;
const short kwxCursorSizeNS = 10;
const short kwxCursorSize = 11;
const short kwxCursorSizeNESW = 12;
const short kwxCursorSizeNWSE = 13;
const short kwxCursorRoller = 14;
const short kwxCursorLast = kwxCursorRoller;

Cursor gMacCursors[kwxCursorLast+1] =
{

{
{0x0000, 0x03E0, 0x0630, 0x0808, 0x1004, 0x31C6, 0x2362, 0x2222,
0x2362, 0x31C6, 0x1004, 0x0808, 0x0630, 0x03E0, 0x0000, 0x0000},
{0x0000, 0x03E0, 0x07F0, 0x0FF8, 0x1FFC, 0x3FFE, 0x3FFE, 0x3FFE,
0x3FFE, 0x3FFE, 0x1FFC, 0x0FF8, 0x07F0, 0x03E0, 0x0000, 0x0000},
{0x0007, 0x0008}
},

{
{0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
{0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
{0x0000, 0x0000}
},

{
{0x00F0, 0x0088, 0x0108, 0x0190, 0x0270, 0x0220, 0x0440, 0x0440,
0x0880, 0x0880, 0x1100, 0x1E00, 0x1C00, 0x1800, 0x1000, 0x0000},
{0x00F0, 0x00F8, 0x01F8, 0x01F0, 0x03F0, 0x03E0, 0x07C0, 0x07C0,
0x0F80, 0x0F80, 0x1F00, 0x1E00, 0x1C00, 0x1800, 0x1000, 0x0000},
{0x000E, 0x0003}
},

{
{0x0000, 0x1E00, 0x2100, 0x4080, 0x4080, 0x4080, 0x4080, 0x2180,
0x1FC0, 0x00E0, 0x0070, 0x0038, 0x001C, 0x000E, 0x0006, 0x0000},
{0x3F00, 0x7F80, 0xFFC0, 0xFFC0, 0xFFC0, 0xFFC0, 0xFFC0, 0x7FC0,
0x3FE0, 0x1FF0, 0x00F8, 0x007C, 0x003E, 0x001F, 0x000F, 0x0007},
{0x0004, 0x0004}
},

{
{0x0000, 0x07E0, 0x1FF0, 0x3838, 0x3C0C, 0x6E0E, 0x6706, 0x6386,
0x61C6, 0x60E6, 0x7076, 0x303C, 0x1C1C, 0x0FF8, 0x07E0, 0x0000},
{0x0540, 0x0FF0, 0x3FF8, 0x3C3C, 0x7E0E, 0xFF0F, 0x6F86, 0xE7C7,
0x63E6, 0xE1F7, 0x70FE, 0x707E, 0x3C3C, 0x1FFC, 0x0FF0, 0x0540},
{0x0007, 0x0007}
},

{
{0x0000, 0x0380, 0x0380, 0x0380, 0x0380, 0x0380, 0x0380, 0x0FE0,
0x1FF0, 0x1FF0, 0x0000, 0x1FF0, 0x1FF0, 0x1550, 0x1550, 0x1550},
{0x07C0, 0x07C0, 0x07C0, 0x07C0, 0x07C0, 0x07C0, 0x0FE0, 0x1FF0,
0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8, 0x3FF8},
{0x000B, 0x0007}
},

{
{0x00C0, 0x0140, 0x0640, 0x08C0, 0x3180, 0x47FE, 0x8001, 0x8001,
0x81FE, 0x8040, 0x01C0, 0x0040, 0x03C0, 0xC080, 0x3F80, 0x0000},
{0x00C0, 0x01C0, 0x07C0, 0x0FC0, 0x3F80, 0x7FFE, 0xFFFF, 0xFFFF,
0xFFFE, 0xFFC0, 0xFFC0, 0xFFC0, 0xFFC0, 0xFF80, 0x3F80, 0x0000},
{0x0006, 0x000F}
},

{
{0x0100, 0x0280, 0x0260, 0x0310, 0x018C, 0x7FE3, 0x8000, 0x8000,
0x7F80, 0x0200, 0x0380, 0x0200, 0x03C0, 0x0107, 0x01F8, 0x0000},
{0x0100, 0x0380, 0x03E0, 0x03F0, 0x01FC, 0x7FFF, 0xFFFF, 0xFFFF,
0xFFFF, 0x03FF, 0x03FF, 0x03FF, 0x03FF, 0x01FF, 0x01F8, 0x0000},
{0x0006, 0x0000}
},

{
{0x0000, 0x4078, 0x60FC, 0x71CE, 0x7986, 0x7C06, 0x7E0E, 0x7F1C,
0x7FB8, 0x7C30, 0x6C30, 0x4600, 0x0630, 0x0330, 0x0300, 0x0000},
{0xC078, 0xE0FC, 0xF1FE, 0xFBFF, 0xFFCF, 0xFF8F, 0xFF1F, 0xFFBE,
0xFFFC, 0xFE78, 0xFF78, 0xEFF8, 0xCFF8, 0x87F8, 0x07F8, 0x0300},
{0x0001, 0x0001}
},

{
{0x0000, 0x0002, 0x0006, 0x000E, 0x001E, 0x003E, 0x007E, 0x00FE,
0x01FE, 0x003E, 0x0036, 0x0062, 0x0060, 0x00C0, 0x00C0, 0x0000},
{0x0003, 0x0007, 0x000F, 0x001F, 0x003F, 0x007F, 0x00FF, 0x01FF,
0x03FF, 0x07FF, 0x007F, 0x00F7, 0x00F3, 0x01E1, 0x01E0, 0x01C0},
{0x0001, 0x000E}
},

{
{0x0000, 0x0080, 0x01C0, 0x03E0, 0x0080, 0x0080, 0x0080, 0x1FFC,
0x1FFC, 0x0080, 0x0080, 0x0080, 0x03E0, 0x01C0, 0x0080, 0x0000},
{0x0080, 0x01C0, 0x03E0, 0x07F0, 0x0FF8, 0x01C0, 0x3FFE, 0x3FFE,
0x3FFE, 0x3FFE, 0x01C0, 0x0FF8, 0x07F0, 0x03E0, 0x01C0, 0x0080},
{0x0007, 0x0008}
},

{
{0x0000, 0x0080, 0x01C0, 0x03E0, 0x0080, 0x0888, 0x188C, 0x3FFE,
0x188C, 0x0888, 0x0080, 0x03E0, 0x01C0, 0x0080, 0x0000, 0x0000},
{0x0080, 0x01C0, 0x03E0, 0x07F0, 0x0BE8, 0x1DDC, 0x3FFE, 0x7FFF,
0x3FFE, 0x1DDC, 0x0BE8, 0x07F0, 0x03E0, 0x01C0, 0x0080, 0x0000},
{0x0007, 0x0008}
},

{
{0x0000, 0x001E, 0x000E, 0x060E, 0x0712, 0x03A0, 0x01C0, 0x00E0,
0x0170, 0x1238, 0x1C18, 0x1C00, 0x1E00, 0x0000, 0x0000, 0x0000},
{0x007F, 0x003F, 0x0E1F, 0x0F0F, 0x0F97, 0x07E3, 0x03E1, 0x21F0,
0x31F8, 0x3A7C, 0x3C3C, 0x3E1C, 0x3F00, 0x3F80, 0x0000, 0x0000},
{0x0006, 0x0009}
},

{
{0x0000, 0x7800, 0x7000, 0x7060, 0x48E0, 0x05C0, 0x0380, 0x0700,
0x0E80, 0x1C48, 0x1838, 0x0038, 0x0078, 0x0000, 0x0000, 0x0000},
{0xFE00, 0xFC00, 0xF870, 0xF0F0, 0xE9F0, 0xC7E0, 0x87C0, 0x0F84,
0x1F8C, 0x3E5C, 0x3C3C, 0x387C, 0x00FC, 0x01FC, 0x0000, 0x0000},
{0x0006, 0x0006}
},

{
{0x0006, 0x000E, 0x001C, 0x0018, 0x0020, 0x0040, 0x00F8, 0x0004,
0x1FF4, 0x200C, 0x2AA8, 0x1FF0, 0x1F80, 0x3800, 0x6000, 0x8000},
{0x000F, 0x001F, 0x003E, 0x007C, 0x0070, 0x00E0, 0x01FC, 0x3FF6,
0x7FF6, 0x7FFE, 0x7FFC, 0x7FF8, 0x3FF0, 0x7FC0, 0xF800, 0xE000},
{0x000A, 0x0006}
},

};

wxCursor    gMacCurrentCursor ;

CursHandle wxGetStockCursor( int number )
{
    wxASSERT_MSG( number >= 0 && number <=kwxCursorLast , wxT("invalid stock cursor id") ) ;
    CursHandle c = (CursHandle) NewHandle( sizeof(Cursor) ) ;
    memcpy( *c, &gMacCursors[number], sizeof(Cursor) ) ;

#ifndef WORDS_BIGENDIAN
    short *sptr = (short*) *c ;
    for ( int i = 0 ; i < 2 * 16 /* image and mask */ ; ++i, ++sptr )
    {
        *sptr = CFSwapInt16( *sptr ) ;
    }
#endif
    return c ;
}

wxCursorRefData::wxCursorRefData()
{
    SetWidth( 16 );
    SetHeight( 16 );
    m_hCursor = NULL;
    m_disposeHandle = false;
    m_releaseHandle = false;
    m_isColorCursor = false;
    m_themeCursor = -1;
}

wxCursorRefData::~wxCursorRefData()
{
    if ( m_isColorCursor )
    {
#ifndef __LP64__
               ::DisposeCCursor( (CCrsrHandle) m_hCursor ) ;
#endif
    }
    else if ( m_disposeHandle )
    {
        ::DisposeHandle( (Handle ) m_hCursor ) ;
    }
    else if ( m_releaseHandle )
    {
        // we don't release the resource since it may already
        // be in use again
    }
}

wxCursor::wxCursor()
{
}

wxCursor::wxCursor(const char WXUNUSED(bits)[], int WXUNUSED(width), int WXUNUSED(height),
    int WXUNUSED(hotSpotX), int WXUNUSED(hotSpotY), const char WXUNUSED(maskBits)[])
{
}

wxCursor::wxCursor( const wxImage &image )
{
#if wxUSE_IMAGE
    CreateFromImage( image ) ;
#endif
}

wxCursor::wxCursor(const char **bits)
{
    (void) CreateFromXpm(bits);
}

wxCursor::wxCursor(char **bits)
{
    (void) CreateFromXpm((const char **)bits);
}

bool wxCursor::CreateFromXpm(const char **bits)
{
#if wxUSE_IMAGE
    wxCHECK_MSG( bits != NULL, false, wxT("invalid cursor data") );
    wxXPMDecoder decoder;
    wxImage img = decoder.ReadData(bits);
    wxCHECK_MSG( img.Ok(), false, wxT("invalid cursor data") );
    CreateFromImage( img ) ;
    return true;
#else
    return false;
#endif
}

WXHCURSOR wxCursor::GetHCURSOR() const
{
    return (M_CURSORDATA ? M_CURSORDATA->m_hCursor : 0);
}

bool wxCursor::IsOk() const
{
    return (m_refData != NULL && ( M_CURSORDATA->m_hCursor != NULL || M_CURSORDATA->m_themeCursor != -1 ) ) ;
}

short GetCTabIndex( CTabHandle colors , RGBColor *col )
{
    short retval = 0 ;
    unsigned long bestdiff = 0xFFFF ;

    for ( int i = 0 ; i < (**colors).ctSize ; ++i )
    {
        unsigned long diff = abs(col->red -  (**colors).ctTable[i].rgb.red ) +
            abs(col->green -  (**colors).ctTable[i].rgb.green ) +
            abs(col->blue -  (**colors).ctTable[i].rgb.blue ) ;

        if ( diff < bestdiff )
        {
            bestdiff = diff ;
            retval = (**colors).ctTable[i].value ;
        }
    }

    return retval ;
}

#if wxUSE_IMAGE

void wxCursor::CreateFromImage(const wxImage & image)
{
    m_refData = new wxCursorRefData;

#ifndef __LP64__
    int w = 16;
    int h = 16;

    int hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
    int hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
    int image_w = image.GetWidth();
    int image_h = image.GetHeight();