/usr/include/X11/Xcursor/Xcursor.h is in libxcursor-dev 1:1.1.14-1+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Copyright © 2002 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _XCURSOR_H_
#define _XCURSOR_H_
#include <stdio.h>
#include <X11/Xfuncproto.h>
#include <X11/Xlib.h>
typedef int XcursorBool;
typedef unsigned int XcursorUInt;
typedef XcursorUInt XcursorDim;
typedef XcursorUInt XcursorPixel;
#define XcursorTrue 1
#define XcursorFalse 0
/*
* Cursor files start with a header. The header
* contains a magic number, a version number and a
* table of contents which has type and offset information
* for the remaining tables in the file.
*
* File minor versions increment for compatible changes
* File major versions increment for incompatible changes (never, we hope)
*
* Chunks of the same type are always upward compatible. Incompatible
* changes are made with new chunk types; the old data can remain under
* the old type. Upward compatible changes can add header data as the
* header lengths are specified in the file.
*
* File:
* FileHeader
* LISTofChunk
*
* FileHeader:
* CARD32 magic magic number
* CARD32 header bytes in file header
* CARD32 version file version
* CARD32 ntoc number of toc entries
* LISTofFileToc toc table of contents
*
* FileToc:
* CARD32 type entry type
* CARD32 subtype entry subtype (size for images)
* CARD32 position absolute file position
*/
#define XCURSOR_MAGIC 0x72756358 /* "Xcur" LSBFirst */
/*
* Current Xcursor version number. Will be substituted by configure
* from the version in the libXcursor configure.ac file.
*/
#define XCURSOR_LIB_MAJOR 1
#define XCURSOR_LIB_MINOR 1
#define XCURSOR_LIB_REVISION 14
#define XCURSOR_LIB_VERSION ((XCURSOR_LIB_MAJOR * 10000) + \
(XCURSOR_LIB_MINOR * 100) + \
(XCURSOR_LIB_REVISION))
/*
* This version number is stored in cursor files; changes to the
* file format require updating this version number
*/
#define XCURSOR_FILE_MAJOR 1
#define XCURSOR_FILE_MINOR 0
#define XCURSOR_FILE_VERSION ((XCURSOR_FILE_MAJOR << 16) | (XCURSOR_FILE_MINOR))
#define XCURSOR_FILE_HEADER_LEN (4 * 4)
#define XCURSOR_FILE_TOC_LEN (3 * 4)
typedef struct _XcursorFileToc {
XcursorUInt type; /* chunk type */
XcursorUInt subtype; /* subtype (size for images) */
XcursorUInt position; /* absolute position in file */
} XcursorFileToc;
typedef struct _XcursorFileHeader {
XcursorUInt magic; /* magic number */
XcursorUInt header; /* byte length of header */
XcursorUInt version; /* file version number */
XcursorUInt ntoc; /* number of toc entries */
XcursorFileToc *tocs; /* table of contents */
} XcursorFileHeader;
/*
* The rest of the file is a list of chunks, each tagged by type
* and version.
*
* Chunk:
* ChunkHeader
* <extra type-specific header fields>
* <type-specific data>
*
* ChunkHeader:
* CARD32 header bytes in chunk header + type header
* CARD32 type chunk type
* CARD32 subtype chunk subtype
* CARD32 version chunk type version
*/
#define XCURSOR_CHUNK_HEADER_LEN (4 * 4)
typedef struct _XcursorChunkHeader {
XcursorUInt header; /* bytes in chunk header */
XcursorUInt type; /* chunk type */
XcursorUInt subtype; /* chunk subtype (size for images) */
XcursorUInt version; /* version of this type */
} XcursorChunkHeader;
/*
* Here's a list of the known chunk types
*/
/*
* Comments consist of a 4-byte length field followed by
* UTF-8 encoded text
*
* Comment:
* ChunkHeader header chunk header
* CARD32 length bytes in text
* LISTofCARD8 text UTF-8 encoded text
*/
#define XCURSOR_COMMENT_TYPE 0xfffe0001
#define XCURSOR_COMMENT_VERSION 1
#define XCURSOR_COMMENT_HEADER_LEN (XCURSOR_CHUNK_HEADER_LEN + (1 *4))
#define XCURSOR_COMMENT_COPYRIGHT 1
#define XCURSOR_COMMENT_LICENSE 2
#define XCURSOR_COMMENT_OTHER 3
#define XCURSOR_COMMENT_MAX_LEN 0x100000
typedef struct _XcursorComment {
XcursorUInt version;
XcursorUInt comment_type;
char *comment;
} XcursorComment;
/*
* Each cursor image occupies a separate image chunk.
* The length of the image header follows the chunk header
* so that future versions can extend the header without
* breaking older applications
*
* Image:
* ChunkHeader header chunk header
* CARD32 width actual width
* CARD32 height actual height
* CARD32 xhot hot spot x
* CARD32 yhot hot spot y
* CARD32 delay animation delay
* LISTofCARD32 pixels ARGB pixels
*/
#define XCURSOR_IMAGE_TYPE 0xfffd0002
#define XCURSOR_IMAGE_VERSION 1
#define XCURSOR_IMAGE_HEADER_LEN (XCURSOR_CHUNK_HEADER_LEN + (5*4))
#define XCURSOR_IMAGE_MAX_SIZE 0x7fff /* 32767x32767 max cursor size */
typedef struct _XcursorImage {
XcursorUInt version; /* version of the image data */
XcursorDim size; /* nominal size for matching */
XcursorDim width; /* actual width */
XcursorDim height; /* actual height */
XcursorDim xhot; /* hot spot x (must be inside image) */
XcursorDim yhot; /* hot spot y (must be inside image) */
XcursorUInt delay; /* animation delay to next frame (ms) */
XcursorPixel *pixels; /* pointer to pixels */
} XcursorImage;
/*
* Other data structures exposed by the library API
*/
typedef struct _XcursorImages {
int nimage; /* number of images */
XcursorImage **images; /* array of XcursorImage pointers */
char *name; /* name used to load images */
} XcursorImages;
typedef struct _XcursorCursors {
Display *dpy; /* Display holding cursors */
int ref; /* reference count */
int ncursor; /* number of cursors */
Cursor *cursors; /* array of cursors */
} XcursorCursors;
typedef struct _XcursorAnimate {
XcursorCursors *cursors; /* list of cursors to use */
int sequence; /* which cursor is next */
} XcursorAnimate;
typedef struct _XcursorFile XcursorFile;
struct _XcursorFile {
void *closure;
int (*read) (XcursorFile *file, unsigned char *buf, int len);
int (*write) (XcursorFile *file, unsigned char *buf, int len);
int (*seek) (XcursorFile *file, long offset, int whence);
};
typedef struct _XcursorComments {
int ncomment; /* number of comments */
XcursorComment **comments; /* array of XcursorComment pointers */
} XcursorComments;
#define XCURSOR_CORE_THEME "core"
_XFUNCPROTOBEGIN
/*
* Manage Image objects
*/
XcursorImage *
XcursorImageCreate (int width, int height);
void
XcursorImageDestroy (XcursorImage *image);
/*
* Manage Images objects
*/
XcursorImages *
XcursorImagesCreate (int size);
void
XcursorImagesDestroy (XcursorImages *images);
void
XcursorImagesSetName (XcursorImages *images, const char *name);
/*
* Manage Cursor objects
*/
XcursorCursors *
XcursorCursorsCreate (Display *dpy, int size);
void
XcursorCursorsDestroy (XcursorCursors *cursors);
/*
* Manage Animate objects
*/
XcursorAnimate *
XcursorAnimateCreate (XcursorCursors *cursors);
void
XcursorAnimateDestroy (XcursorAnimate *animate);
Cursor
XcursorAnimateNext (XcursorAnimate *animate);
/*
* Manage Comment objects
*/
XcursorComment *
XcursorCommentCreate (XcursorUInt comment_type, int length);
void
XcursorCommentDestroy (XcursorComment *comment);
XcursorComments *
XcursorCommentsCreate (int size);
void
XcursorCommentsDestroy (XcursorComments *comments);
/*
* XcursorFile/Image APIs
*/
XcursorImage *
XcursorXcFileLoadImage (XcursorFile *file, int size);
XcursorImages *
XcursorXcFileLoadImages (XcursorFile *file, int size);
XcursorImages *
XcursorXcFileLoadAllImages (XcursorFile *file);
XcursorBool
XcursorXcFileLoad (XcursorFile *file,
XcursorComments **commentsp,
XcursorImages **imagesp);
XcursorBool
XcursorXcFileSave (XcursorFile *file,
const XcursorComments *comments,
const XcursorImages *images);
/*
* FILE/Image APIs
*/
XcursorImage *
XcursorFileLoadImage (FILE *file, int size);
XcursorImages *
XcursorFileLoadImages (FILE *file, int size);
XcursorImages *
XcursorFileLoadAllImages (FILE *file);
XcursorBool
XcursorFileLoad (FILE *file,
XcursorComments **commentsp,
XcursorImages **imagesp);
XcursorBool
XcursorFileSaveImages (FILE *file, const XcursorImages *images);
XcursorBool
XcursorFileSave (FILE * file,
const XcursorComments *comments,
const XcursorImages *images);
/*
* Filename/Image APIs
*/
XcursorImage *
XcursorFilenameLoadImage (const char *filename, int size);
XcursorImages *
XcursorFilenameLoadImages (const char *filename, int size);
XcursorImages *
XcursorFilenameLoadAllImages (const char *filename);
XcursorBool
XcursorFilenameLoad (const char *file,
XcursorComments **commentsp,
XcursorImages **imagesp);
XcursorBool
XcursorFilenameSaveImages (const char *filename, const XcursorImages *images);
XcursorBool
XcursorFilenameSave (const char *file,
const XcursorComments *comments,
const XcursorImages *images);
/*
* Library/Image APIs
*/
XcursorImage *
XcursorLibraryLoadImage (const char *library, const char *theme, int size);
XcursorImages *
XcursorLibraryLoadImages (const char *library, const char *theme, int size);
/*
* Library/shape API
*/
const char *
XcursorLibraryPath (void);
int
XcursorLibraryShape (const char *library);
/*
* Image/Cursor APIs
*/
Cursor
XcursorImageLoadCursor (Display *dpy, const XcursorImage *image);
XcursorCursors *
XcursorImagesLoadCursors (Display *dpy, const XcursorImages *images);
Cursor
XcursorImagesLoadCursor (Display *dpy, const XcursorImages *images);
/*
* Filename/Cursor APIs
*/
Cursor
XcursorFilenameLoadCursor (Display *dpy, const char *file);
XcursorCursors *
XcursorFilenameLoadCursors (Display *dpy, const char *file);
/*
* Library/Cursor APIs
*/
Cursor
XcursorLibraryLoadCursor (Display *dpy, const char *file);
XcursorCursors *
XcursorLibraryLoadCursors (Display *dpy, const char *file);
/*
* Shape/Image APIs
*/
XcursorImage *
XcursorShapeLoadImage (unsigned int shape, const char *theme, int size);
XcursorImages *
XcursorShapeLoadImages (unsigned int shape, const char *theme, int size);
/*
* Shape/Cursor APIs
*/
Cursor
XcursorShapeLoadCursor (Display *dpy, unsigned int shape);
XcursorCursors *
XcursorShapeLoadCursors (Display *dpy, unsigned int shape);
/*
* This is the function called by Xlib when attempting to
* load cursors from XCreateGlyphCursor. The interface must
* not change as Xlib loads 'libXcursor.so' instead of
* a specific major version
*/
Cursor
XcursorTryShapeCursor (Display *dpy,
Font source_font,
Font mask_font,
unsigned int source_char,
unsigned int mask_char,
XColor _Xconst *foreground,
XColor _Xconst *background);
void
XcursorNoticeCreateBitmap (Display *dpy,
Pixmap pid,
unsigned int width,
unsigned int height);
void
XcursorNoticePutBitmap (Display *dpy,
Drawable draw,
XImage *image);
Cursor
XcursorTryShapeBitmapCursor (Display *dpy,
Pixmap source,
Pixmap mask,
XColor *foreground,
XColor *background,
unsigned int x,
unsigned int y);
#define XCURSOR_BITMAP_HASH_SIZE 16
void
XcursorImageHash (XImage *image,
unsigned char hash[XCURSOR_BITMAP_HASH_SIZE]);
/*
* Display information APIs
*/
XcursorBool
XcursorSupportsARGB (Display *dpy);
XcursorBool
XcursorSupportsAnim (Display *dpy);
XcursorBool
XcursorSetDefaultSize (Display *dpy, int size);
int
XcursorGetDefaultSize (Display *dpy);
XcursorBool
XcursorSetTheme (Display *dpy, const char *theme);
char *
XcursorGetTheme (Display *dpy);
XcursorBool
XcursorGetThemeCore (Display *dpy);
XcursorBool
XcursorSetThemeCore (Display *dpy, XcursorBool theme_core);
_XFUNCPROTOEND
#endif
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