504 lines
12 KiB
C
504 lines
12 KiB
C
|
//
|
||
|
|
// Cursor Manager
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef _H_CM
|
||
|
|
#define _H_CM
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// CONSTANTS
|
||
|
|
//
|
||
|
|
//
|
||
|
|
|
||
|
|
//
|
||
|
|
// Maximum cursor sizes.
|
||
|
|
//
|
||
|
|
#define CM_MAX_CURSOR_WIDTH 32
|
||
|
|
#define CM_MAX_CURSOR_HEIGHT 32
|
||
|
|
|
||
|
|
//
|
||
|
|
// This is the maximum size of the cursor data for the combined 1bpp AND
|
||
|
|
// mask and n bpp XOR mask. We currently allow for a 32x32 cursor at
|
||
|
|
// 32bpp. In this case the AND mask consumes 32*32/8 bytes (128) and the
|
||
|
|
// XOR mask consumes 32*32*4 bytes (4096). Total is 32*4 + 32*32*4, which
|
||
|
|
// is (32*4)*(1 + 32), which is (32*4)*33
|
||
|
|
//
|
||
|
|
#define CM_MAX_CURSOR_DATA_SIZE \
|
||
|
|
((CM_MAX_CURSOR_WIDTH/8) * CM_MAX_CURSOR_HEIGHT * 33)
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Thresholds for color intensity to distinguish between 24bpp colors which
|
||
|
|
// map to black, white, or a hatch pattern
|
||
|
|
//
|
||
|
|
#define CM_WHITE_THRESHOLD (TSHR_UINT32)120000
|
||
|
|
#define CM_BLACK_THRESHOLD (TSHR_UINT32)40000
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Shadow cursor tag constant declarations.
|
||
|
|
//
|
||
|
|
#define NTRUNCLETTERS 5 // For CreateAbbreviatedName - "A. B."
|
||
|
|
#define MAX_CURSOR_TAG_FONT_NAME_LENGTH 64
|
||
|
|
#define CURSOR_TAG_FONT_HEIGHT -11
|
||
|
|
|
||
|
|
//
|
||
|
|
// This defines the size of the tag.. careful if you change these
|
||
|
|
// values... they must define a tag that fits in a hardcoded 32x32 bitmap.
|
||
|
|
//
|
||
|
|
#define TAGXOFF 8
|
||
|
|
#define TAGYOFF 20
|
||
|
|
#define TAGXSIZ 24
|
||
|
|
#define TAGYSIZ 12
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct tag_curtaginfo
|
||
|
|
{
|
||
|
|
WORD cHeight;
|
||
|
|
WORD cWidth;
|
||
|
|
BYTE aAndBits[ 32 * 32 / 8 ];
|
||
|
|
BITMAPINFO bmInfo; // includes foreground color
|
||
|
|
RGBQUAD rgbBackground[1]; // describes background color
|
||
|
|
BYTE aXorBits[ 32 * 32 / 8 ]; // packed bits follow BITMAPINFO, color table
|
||
|
|
}
|
||
|
|
CURTAGINFO, * PCURTAGINFO;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct tagCACHEDCURSOR
|
||
|
|
{
|
||
|
|
HCURSOR hCursor;
|
||
|
|
POINT hotSpot;
|
||
|
|
}
|
||
|
|
CACHEDCURSOR;
|
||
|
|
typedef CACHEDCURSOR * PCACHEDCURSOR;
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Information about a remote party's cursor.
|
||
|
|
//
|
||
|
|
//
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Calculates the number of bytes wide a cursor is given the width of the
|
||
|
|
// cursor in pels. Cursors are 1bpp and word padded.
|
||
|
|
//
|
||
|
|
#define CM_BYTES_FROM_WIDTH(width) ((((width)+15)/16)*2)
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// TYPES
|
||
|
|
//
|
||
|
|
//
|
||
|
|
|
||
|
|
//
|
||
|
|
// A POINTL has 32-bit coords in both 16-bit and 32-bit code
|
||
|
|
//
|
||
|
|
typedef struct tagCM_SHAPE_HEADER
|
||
|
|
{
|
||
|
|
POINTL ptHotSpot;
|
||
|
|
WORD cx;
|
||
|
|
WORD cy;
|
||
|
|
WORD cbRowWidth;
|
||
|
|
BYTE cPlanes;
|
||
|
|
BYTE cBitsPerPel;
|
||
|
|
} CM_SHAPE_HEADER;
|
||
|
|
typedef CM_SHAPE_HEADER FAR * LPCM_SHAPE_HEADER;
|
||
|
|
|
||
|
|
typedef struct tagCM_SHAPE
|
||
|
|
{
|
||
|
|
CM_SHAPE_HEADER hdr;
|
||
|
|
BYTE Masks[1]; // 1bpp AND mask, followed by n bpp XOR mask
|
||
|
|
} CM_SHAPE;
|
||
|
|
typedef CM_SHAPE FAR * LPCM_SHAPE;
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct tagCM_SHAPE_DATA
|
||
|
|
{
|
||
|
|
CM_SHAPE_HEADER hdr;
|
||
|
|
BYTE data[CM_MAX_CURSOR_DATA_SIZE];
|
||
|
|
}
|
||
|
|
CM_SHAPE_DATA;
|
||
|
|
typedef CM_SHAPE_DATA FAR * LPCM_SHAPE_DATA;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Structure: CM_FAST_DATA
|
||
|
|
//
|
||
|
|
// Description: Shared memory data - cursor description and usage flag
|
||
|
|
//
|
||
|
|
// cmCursorStamp - Cursor identifier: an integer written by the
|
||
|
|
// display driver
|
||
|
|
// bitmasks - RGB bitmasks for >8bpp cursors
|
||
|
|
// colorTable - Color table for <= 8bpp cursors
|
||
|
|
// cmCursorShapeData - Cursor definition (AND, XOR masks, etc)
|
||
|
|
//
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Note that a PALETTEENTRY is a DWORD, same in 16-bit and 32-bit code
|
||
|
|
//
|
||
|
|
typedef struct tagCM_FAST_DATA
|
||
|
|
{
|
||
|
|
DWORD cmCursorStamp;
|
||
|
|
DWORD bitmasks[3];
|
||
|
|
PALETTEENTRY colorTable[256];
|
||
|
|
CM_SHAPE_DATA cmCursorShapeData;
|
||
|
|
}
|
||
|
|
CM_FAST_DATA;
|
||
|
|
typedef CM_FAST_DATA FAR * LPCM_FAST_DATA;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// MACROS
|
||
|
|
//
|
||
|
|
//
|
||
|
|
#define CURSOR_AND_MASK_SIZE(pCursorShape) \
|
||
|
|
((pCursorShape)->hdr.cbRowWidth * (pCursorShape)->hdr.cy)
|
||
|
|
|
||
|
|
#define ROW_WORD_PAD(cbUnpaddedRow) \
|
||
|
|
(((cbUnpaddedRow) + 1) & ~1)
|
||
|
|
|
||
|
|
#define CURSOR_XOR_BITMAP_SIZE(pCursorShape) \
|
||
|
|
(ROW_WORD_PAD(((pCursorShape)->hdr.cx * \
|
||
|
|
(pCursorShape)->hdr.cBitsPerPel) / 8) * \
|
||
|
|
(pCursorShape)->hdr.cy)
|
||
|
|
|
||
|
|
#define CURSOR_DIB_BITS_SIZE(cx, cy, bpp) \
|
||
|
|
(ROW_WORD_PAD(((cx) * (bpp))/8) * (cy))
|
||
|
|
|
||
|
|
#define CURSORSHAPE_SIZE(pCursorShape) \
|
||
|
|
sizeof(CM_SHAPE_HEADER) + \
|
||
|
|
CURSOR_AND_MASK_SIZE(pCursorShape) + \
|
||
|
|
CURSOR_XOR_BITMAP_SIZE(pCursorShape)
|
||
|
|
|
||
|
|
//
|
||
|
|
// Null cursor indications
|
||
|
|
//
|
||
|
|
#define CM_CURSOR_IS_NULL(pCursor) ((((pCursor)->hdr.cPlanes==(BYTE)0xFF) && \
|
||
|
|
(pCursor)->hdr.cBitsPerPel == (BYTE)0xFF))
|
||
|
|
|
||
|
|
#define CM_SET_NULL_CURSOR(pCursor) (pCursor)->hdr.cPlanes = 0xFF; \
|
||
|
|
(pCursor)->hdr.cBitsPerPel = 0xFF;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Expands a particular bit into a byte. The bits are zero-indexed and
|
||
|
|
// numbered from the left. The allowable range for pos is 0 to 7
|
||
|
|
// inclusive.
|
||
|
|
//
|
||
|
|
#define BIT_TO_BYTE(cbyte, pos) \
|
||
|
|
( (BYTE) ((((cbyte) >> (7 - (pos))) & 0x01) ? 0xFF : 0x00))
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get two bits from a byte. The bits are zero-indexed and numbered from
|
||
|
|
// the left. The allowable range for pos is 0 to 3 inclusive.
|
||
|
|
//
|
||
|
|
#define GET_TWO_BITS(cbyte, pos) \
|
||
|
|
( (BYTE) (((cbyte) >> (2 * (3 - (pos)))) & 0x03) )
|
||
|
|
|
||
|
|
//
|
||
|
|
// Return the maximum size of palette (in bytes) required for a DIB at a
|
||
|
|
// given bpp. This is 2 ^ bpp for bpp < 8, or 0 for > 8 bpp
|
||
|
|
//
|
||
|
|
#define PALETTE_SIZE(BPP) (((BPP) > 8) ? 0 : ((1<<(BPP)) * sizeof(RGBQUAD)))
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Return a pointer to the actual bitmap bits within a DIB.
|
||
|
|
//
|
||
|
|
#define POINTER_TO_DIB_BITS(pDIB) \
|
||
|
|
((void *) ((LPBYTE)(pDIB) + DIB_BITS_OFFSET(pDIB)) )
|
||
|
|
|
||
|
|
//
|
||
|
|
// Calculate the offset of the data bits in a DIB.
|
||
|
|
//
|
||
|
|
#define DIB_BITS_OFFSET(pDIB) \
|
||
|
|
(PALETTE_SIZE((pDIB)->bmiHeader.biBitCount) + \
|
||
|
|
sizeof(BITMAPINFOHEADER))
|
||
|
|
|
||
|
|
//
|
||
|
|
// Trace out info about a DIB. PH is a pointer to a BITMAPINFOHEADER
|
||
|
|
//
|
||
|
|
#define CAP_TRACE_DIB_DBG(PH, NAME) \
|
||
|
|
TRACE_OUT(( "%s: %#.8lx, %ld x %ld, %hd bpp, %s encoded", \
|
||
|
|
(NAME), (DWORD)(PH), (PH)->biWidth, (PH)->biHeight, (PH)->biBitCount,\
|
||
|
|
((PH)->biCompression == BI_RLE8) ? "RLE8" \
|
||
|
|
: (((PH)->biCompression == BI_RLE4) ? "RLE4" : "not")))
|
||
|
|
|
||
|
|
//
|
||
|
|
// Is the parameter a pointer to a Device Dependant Bitmap?
|
||
|
|
//
|
||
|
|
#define IS_DIB(PARAM) (*((LPWORD)(PARAM)) == 0x28)
|
||
|
|
|
||
|
|
//
|
||
|
|
// Driver supports color_cursors and async SetCursor. This value is taken
|
||
|
|
// from the Win95 DDK.
|
||
|
|
//
|
||
|
|
#define C1_COLORCURSOR 0x0800
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// PROTOTYPES
|
||
|
|
//
|
||
|
|
//
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Specific values for OSI escape codes
|
||
|
|
//
|
||
|
|
#define CM_ESC(code) (OSI_CM_ESC_FIRST + code)
|
||
|
|
|
||
|
|
#define CM_ESC_XFORM CM_ESC(0)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// STRUCTURES
|
||
|
|
//
|
||
|
|
//
|
||
|
|
|
||
|
|
|
||
|
|
// Structure: CM_DRV_XFORM_INFO
|
||
|
|
//
|
||
|
|
// Description: Structure passed from the share core to the display driver
|
||
|
|
// to pass cursor transform data
|
||
|
|
//
|
||
|
|
typedef struct tagCM_DRV_XFORM_INFO
|
||
|
|
{
|
||
|
|
OSI_ESCAPE_HEADER header;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Share core -> display driver.
|
||
|
|
// Pointers to AND mask. Note that this user-space pointer is also
|
||
|
|
// valid in the display driver realm (ring0 if NT, 16-bit if W95)
|
||
|
|
//
|
||
|
|
LPBYTE pANDMask;
|
||
|
|
DWORD width;
|
||
|
|
DWORD height;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Driver -> share core.
|
||
|
|
//
|
||
|
|
DWORD result;
|
||
|
|
|
||
|
|
} CM_DRV_XFORM_INFO;
|
||
|
|
typedef CM_DRV_XFORM_INFO FAR * LPCM_DRV_XFORM_INFO;
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// PROTOTYPES
|
||
|
|
//
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifdef DLL_DISP
|
||
|
|
|
||
|
|
//
|
||
|
|
// Name: CM_DDProcessRequest
|
||
|
|
//
|
||
|
|
// Purpose: Process CM requests from the Share Core which have been
|
||
|
|
// to the display driver through the DrvEscape mechanism.
|
||
|
|
//
|
||
|
|
// Returns: TRUE if the request is processed successfully,
|
||
|
|
// FALSE otherwise.
|
||
|
|
//
|
||
|
|
// Params: IN pso - Pointer to surface object for our driver
|
||
|
|
// IN cjIn - Size of the input data
|
||
|
|
// IN pvIn - Pointer to the input data
|
||
|
|
// IN cjOut - Size of the output data
|
||
|
|
// IN/OUT pvOut - Pointer to the output data
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifdef IS_16
|
||
|
|
BOOL CM_DDProcessRequest(UINT fnEscape, LPOSI_ESCAPE_HEADER pResult,
|
||
|
|
DWORD cbResult);
|
||
|
|
#else
|
||
|
|
ULONG CM_DDProcessRequest(SURFOBJ* pso,
|
||
|
|
UINT cjIn,
|
||
|
|
void * pvIn,
|
||
|
|
UINT cjOut,
|
||
|
|
void * pvOut);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef IS_16
|
||
|
|
BOOL CM_DDInit(HDC);
|
||
|
|
#else
|
||
|
|
BOOL CM_DDInit(LPOSI_PDEV ppDev);
|
||
|
|
#endif // IS_16
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef IS_16
|
||
|
|
void CM_DDViewing(BOOL fViewers);
|
||
|
|
#else
|
||
|
|
void CM_DDViewing(SURFOBJ * pso, BOOL fViewers);
|
||
|
|
#endif // IS_16
|
||
|
|
|
||
|
|
//
|
||
|
|
// Name: CM_DDTerm
|
||
|
|
//
|
||
|
|
// Purpose: Terminates the display driver component of the cursor
|
||
|
|
// manager.
|
||
|
|
//
|
||
|
|
// Params: None.
|
||
|
|
//
|
||
|
|
void CM_DDTerm(void);
|
||
|
|
|
||
|
|
|
||
|
|
#endif // DLL_DISP
|
||
|
|
|
||
|
|
|
||
|
|
typedef void ( *PFNCMCOPYTOMONO) ( LPBYTE pSrc,
|
||
|
|
LPBYTE pDst,
|
||
|
|
UINT cx,
|
||
|
|
UINT cy );
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Cursor type (as required by CMMaybeSendCursor). The values are:
|
||
|
|
//
|
||
|
|
// DEFAULTCURSOR - standard pointer
|
||
|
|
// DISPLAYEDCURSOR - displayed (eg. bitmap) cursor
|
||
|
|
//
|
||
|
|
#define CM_CT_DEFAULTCURSOR 1
|
||
|
|
#define CM_CT_DISPLAYEDCURSOR 2
|
||
|
|
|
||
|
|
//
|
||
|
|
// Types of displayed cursor:
|
||
|
|
//
|
||
|
|
// UNKNOWN - ONLY to be used by resyncing code
|
||
|
|
// SYSTEMCURSOR - Standard windows cursor
|
||
|
|
// BITMAPCURSOR - Displayed cursor
|
||
|
|
//
|
||
|
|
#define CM_CD_UNKNOWN 0
|
||
|
|
#define CM_CD_SYSTEMCURSOR 1
|
||
|
|
#define CM_CD_BITMAPCURSOR 2
|
||
|
|
|
||
|
|
typedef struct tagCURSORDESCRIPTION
|
||
|
|
{
|
||
|
|
DWORD type;
|
||
|
|
DWORD id;
|
||
|
|
} CURSORDESCRIPTION;
|
||
|
|
typedef CURSORDESCRIPTION FAR * LPCURSORDESCRIPTION;
|
||
|
|
|
||
|
|
typedef struct tagCURSORIMAGE
|
||
|
|
{
|
||
|
|
WORD xHotSpot;
|
||
|
|
WORD yHotSpot;
|
||
|
|
BITMAPINFOHEADER crHeader;
|
||
|
|
BYTE crMasks[1];
|
||
|
|
} CURSORIMAGE;
|
||
|
|
typedef CURSORIMAGE FAR *LPCURSORIMAGE;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef DLL_DISP
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
BOOL CMCreateAbbreviatedName(LPCSTR szTagName, LPSTR szBuf, UINT cbBuf);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// BOGUS LAURABU:
|
||
|
|
// We should use normal GDI StretchBlts to get the bitmap bits, not
|
||
|
|
// our own whacky pack/unpack code.
|
||
|
|
//
|
||
|
|
void CMCopy1bppTo1bpp( LPBYTE pSrc,
|
||
|
|
LPBYTE pDst,
|
||
|
|
UINT cx,
|
||
|
|
UINT cy );
|
||
|
|
|
||
|
|
void CMCopy4bppTo1bpp( LPBYTE pSrc,
|
||
|
|
LPBYTE pDst,
|
||
|
|
UINT cx,
|
||
|
|
UINT cy );
|
||
|
|
|
||
|
|
void CMCopy8bppTo1bpp( LPBYTE pSrc,
|
||
|
|
LPBYTE pDst,
|
||
|
|
UINT cx,
|
||
|
|
UINT cy );
|
||
|
|
|
||
|
|
void CMCopy16bppTo1bpp( LPBYTE pSrc,
|
||
|
|
LPBYTE pDst,
|
||
|
|
UINT cx,
|
||
|
|
UINT cy );
|
||
|
|
|
||
|
|
void CMCopy24bppTo1bpp( LPBYTE pSrc,
|
||
|
|
LPBYTE pDst,
|
||
|
|
UINT cx,
|
||
|
|
UINT cy );
|
||
|
|
|
||
|
|
BOOL CMGetMonoCursor( LPTSHR_UINT16 pcxWidth,
|
||
|
|
LPTSHR_UINT16 pcyHeight,
|
||
|
|
LPTSHR_UINT16 pxHotSpot,
|
||
|
|
LPTSHR_UINT16 pyHotSpot,
|
||
|
|
LPBYTE pANDBitmap,
|
||
|
|
LPBYTE pXORBitmap );
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
void CMGetCurrentCursor(LPCURSORDESCRIPTION pCursor);
|
||
|
|
|
||
|
|
void CMCalculateColorCursorSize( LPCM_SHAPE pCursor,
|
||
|
|
LPUINT pcbANDMaskSize,
|
||
|
|
LPUINT pcbXORBitmapSize );
|
||
|
|
|
||
|
|
BOOL CMGetMonoCursorDetails( LPCM_SHAPE pCursor,
|
||
|
|
LPTSHR_UINT16 pcxWidth,
|
||
|
|
LPTSHR_UINT16 pcyHeight,
|
||
|
|
LPTSHR_UINT16 pxHotSpot,
|
||
|
|
LPTSHR_UINT16 pyHotSpot,
|
||
|
|
LPBYTE pANDBitmap,
|
||
|
|
LPTSHR_UINT16 pcbANDBitmap,
|
||
|
|
LPBYTE pXORBitmap,
|
||
|
|
LPTSHR_UINT16 pcbXORBitmap );
|
||
|
|
|
||
|
|
|
||
|
|
void CMRefreshWindowCursor(HWND window);
|
||
|
|
|
||
|
|
|
||
|
|
BOOL CMGetCursorShape( LPCM_SHAPE * ppCursorShape,
|
||
|
|
LPUINT pcbCursorDataSize );
|
||
|
|
|
||
|
|
HWND CMGetControllingWindow(void);
|
||
|
|
|
||
|
|
|
||
|
|
#define CM_SHM_START_READING &g_asSharedMemory->cmFast[\
|
||
|
|
1 - g_asSharedMemory->fastPath.newBuffer]
|
||
|
|
#define CM_SHM_STOP_READING
|
||
|
|
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef IS_16
|
||
|
|
BOOL CMDDSetTransform(LPCM_DRV_XFORM_INFO pResult);
|
||
|
|
void CMDDJiggleCursor(void);
|
||
|
|
#else
|
||
|
|
BOOL CMDDSetTransform(LPOSI_PDEV ppDev, LPCM_DRV_XFORM_INFO pXformInfo);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#define CM_SHM_START_WRITING SHM_StartAccess(SHM_CM_FAST)
|
||
|
|
#define CM_SHM_STOP_WRITING SHM_StopAccess(SHM_CM_FAST)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif // !DLL_DISP
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif // _H_CM
|