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wlroots/xcursor/xcursor.c

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/*
* Copyright © 2002 Keith Packard
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#define _DEFAULT_SOURCE
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "xcursor/xcursor.h"
/*
* From libXcursor/include/X11/extensions/Xcursor.h
*/
#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 13
#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 _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;
/*
* From libXcursor/src/file.c
*/
static XcursorImage *
XcursorImageCreate (int width, int height)
{
XcursorImage *image;
if (width < 0 || height < 0)
return NULL;
if (width > XCURSOR_IMAGE_MAX_SIZE || height > XCURSOR_IMAGE_MAX_SIZE)
return NULL;
image = malloc (sizeof (XcursorImage) +
width * height * sizeof (XcursorPixel));
if (!image)
return NULL;
image->version = XCURSOR_IMAGE_VERSION;
image->pixels = (XcursorPixel *) (image + 1);
image->size = width > height ? width : height;
image->width = width;
image->height = height;
image->delay = 0;
return image;
}
static void
XcursorImageDestroy (XcursorImage *image)
{
free (image);
}
static XcursorImages *
XcursorImagesCreate (int size)
{
XcursorImages *images;
images = malloc (sizeof (XcursorImages) +
size * sizeof (XcursorImage *));
if (!images)
return NULL;
images->nimage = 0;
images->images = (XcursorImage **) (images + 1);
images->name = NULL;
return images;
}
void
XcursorImagesDestroy (XcursorImages *images)
{
int n;
if (!images)
return;
for (n = 0; n < images->nimage; n++)
XcursorImageDestroy (images->images[n]);
if (images->name)
free (images->name);
free (images);
}
static void
XcursorImagesSetName (XcursorImages *images, const char *name)
{
char *new;
if (!images || !name)
return;
new = malloc (strlen (name) + 1);
if (!new)
return;
strcpy (new, name);
if (images->name)
free (images->name);
images->name = new;
}
static XcursorBool
_XcursorReadUInt (XcursorFile *file, XcursorUInt *u)
{
unsigned char bytes[4];
if (!file || !u)
return XcursorFalse;
if ((*file->read) (file, bytes, 4) != 4)
return XcursorFalse;
*u = ((bytes[0] << 0) |
(bytes[1] << 8) |
(bytes[2] << 16) |
(bytes[3] << 24));
return XcursorTrue;
}
static void
_XcursorFileHeaderDestroy (XcursorFileHeader *fileHeader)
{
free (fileHeader);
}
static XcursorFileHeader *
_XcursorFileHeaderCreate (int ntoc)
{
XcursorFileHeader *fileHeader;
if (ntoc > 0x10000)
return NULL;
fileHeader = malloc (sizeof (XcursorFileHeader) +
ntoc * sizeof (XcursorFileToc));
if (!fileHeader)
return NULL;
fileHeader->magic = XCURSOR_MAGIC;
fileHeader->header = XCURSOR_FILE_HEADER_LEN;
fileHeader->version = XCURSOR_FILE_VERSION;
fileHeader->ntoc = ntoc;
fileHeader->tocs = (XcursorFileToc *) (fileHeader + 1);
return fileHeader;
}
static XcursorFileHeader *
_XcursorReadFileHeader (XcursorFile *file)
{
XcursorFileHeader head, *fileHeader;
XcursorUInt skip;
unsigned int n;
if (!file)
return NULL;
if (!_XcursorReadUInt (file, &head.magic))
return NULL;
if (head.magic != XCURSOR_MAGIC)
return NULL;
if (!_XcursorReadUInt (file, &head.header))
return NULL;
if (!_XcursorReadUInt (file, &head.version))
return NULL;
if (!_XcursorReadUInt (file, &head.ntoc))
return NULL;
skip = head.header - XCURSOR_FILE_HEADER_LEN;
if (skip)
if ((*file->seek) (file, skip, SEEK_CUR) == EOF)
return NULL;
fileHeader = _XcursorFileHeaderCreate (head.ntoc);
if (!fileHeader)
return NULL;
fileHeader->magic = head.magic;
fileHeader->header = head.header;
fileHeader->version = head.version;
fileHeader->ntoc = head.ntoc;
for (n = 0; n < fileHeader->ntoc; n++)
{
if (!_XcursorReadUInt (file, &fileHeader->tocs[n].type))
break;
if (!_XcursorReadUInt (file, &fileHeader->tocs[n].subtype))
break;
if (!_XcursorReadUInt (file, &fileHeader->tocs[n].position))
break;
}
if (n != fileHeader->ntoc)
{
_XcursorFileHeaderDestroy (fileHeader);
return NULL;
}
return fileHeader;
}
static XcursorBool
_XcursorSeekToToc (XcursorFile *file,
XcursorFileHeader *fileHeader,
int toc)
{
if (!file || !fileHeader || \
(*file->seek) (file, fileHeader->tocs[toc].position, SEEK_SET) == EOF)
return XcursorFalse;
return XcursorTrue;
}
static XcursorBool
_XcursorFileReadChunkHeader (XcursorFile *file,
XcursorFileHeader *fileHeader,
int toc,
XcursorChunkHeader *chunkHeader)
{
if (!file || !fileHeader || !chunkHeader)
return XcursorFalse;
if (!_XcursorSeekToToc (file, fileHeader, toc))
return XcursorFalse;
if (!_XcursorReadUInt (file, &chunkHeader->header))
return XcursorFalse;
if (!_XcursorReadUInt (file, &chunkHeader->type))
return XcursorFalse;
if (!_XcursorReadUInt (file, &chunkHeader->subtype))
return XcursorFalse;
if (!_XcursorReadUInt (file, &chunkHeader->version))
return XcursorFalse;
/* sanity check */
if (chunkHeader->type != fileHeader->tocs[toc].type ||
chunkHeader->subtype != fileHeader->tocs[toc].subtype)
return XcursorFalse;
return XcursorTrue;
}
#define dist(a,b) ((a) > (b) ? (a) - (b) : (b) - (a))
static XcursorDim
_XcursorFindBestSize (XcursorFileHeader *fileHeader,
XcursorDim size,
int *nsizesp)
{
unsigned int n;
int nsizes = 0;
XcursorDim bestSize = 0;
XcursorDim thisSize;
if (!fileHeader || !nsizesp)
return 0;
for (n = 0; n < fileHeader->ntoc; n++)
{
if (fileHeader->tocs[n].type != XCURSOR_IMAGE_TYPE)
continue;
thisSize = fileHeader->tocs[n].subtype;
if (!bestSize || dist (thisSize, size) < dist (bestSize, size))
{
bestSize = thisSize;
nsizes = 1;
}
else if (thisSize == bestSize)
nsizes++;
}
*nsizesp = nsizes;
return bestSize;
}
static int
_XcursorFindImageToc (XcursorFileHeader *fileHeader,
XcursorDim size,
int count)
{
unsigned int toc;
XcursorDim thisSize;
if (!fileHeader)
return 0;
for (toc = 0; toc < fileHeader->ntoc; toc++)
{
if (fileHeader->tocs[toc].type != XCURSOR_IMAGE_TYPE)
continue;
thisSize = fileHeader->tocs[toc].subtype;
if (thisSize != size)
continue;
if (!count)
break;
count--;
}
if (toc == fileHeader->ntoc)
return -1;
return toc;
}
static XcursorImage *
_XcursorReadImage (XcursorFile *file,
XcursorFileHeader *fileHeader,
int toc)
{
XcursorChunkHeader chunkHeader;
XcursorImage head;
XcursorImage *image;
int n;
XcursorPixel *p;
if (!file || !fileHeader)
return NULL;
if (!_XcursorFileReadChunkHeader (file, fileHeader, toc, &chunkHeader))
return NULL;
if (!_XcursorReadUInt (file, &head.width))
return NULL;
if (!_XcursorReadUInt (file, &head.height))
return NULL;
if (!_XcursorReadUInt (file, &head.xhot))
return NULL;
if (!_XcursorReadUInt (file, &head.yhot))
return NULL;
if (!_XcursorReadUInt (file, &head.delay))
return NULL;
/* sanity check data */
if (head.width > XCURSOR_IMAGE_MAX_SIZE ||
head.height > XCURSOR_IMAGE_MAX_SIZE)
return NULL;
if (head.width == 0 || head.height == 0)
return NULL;
if (head.xhot > head.width || head.yhot > head.height)
return NULL;
/* Create the image and initialize it */
image = XcursorImageCreate (head.width, head.height);
if (image == NULL)
return NULL;
if (chunkHeader.version < image->version)
image->version = chunkHeader.version;
image->size = chunkHeader.subtype;
image->xhot = head.xhot;
image->yhot = head.yhot;
image->delay = head.delay;
n = image->width * image->height;
p = image->pixels;
while (n--)
{
if (!_XcursorReadUInt (file, p))
{
XcursorImageDestroy (image);
return NULL;
}
p++;
}
return image;
}
static XcursorImages *
XcursorXcFileLoadImages (XcursorFile *file, int size)
{
XcursorFileHeader *fileHeader;
XcursorDim bestSize;
int nsize;
XcursorImages *images;
int n;
int toc;
if (!file || size < 0)
return NULL;
fileHeader = _XcursorReadFileHeader (file);
if (!fileHeader)
return NULL;
bestSize = _XcursorFindBestSize (fileHeader, (XcursorDim) size, &nsize);
if (!bestSize)
{
_XcursorFileHeaderDestroy (fileHeader);
return NULL;
}
images = XcursorImagesCreate (nsize);
if (!images)
{
_XcursorFileHeaderDestroy (fileHeader);
return NULL;
}
for (n = 0; n < nsize; n++)
{
toc = _XcursorFindImageToc (fileHeader, bestSize, n);
if (toc < 0)
break;
images->images[images->nimage] = _XcursorReadImage (file, fileHeader,
toc);
if (!images->images[images->nimage])
break;
images->nimage++;
}
_XcursorFileHeaderDestroy (fileHeader);
if (images->nimage != nsize)
{
XcursorImagesDestroy (images);
images = NULL;
}
return images;
}
static int
_XcursorStdioFileRead (XcursorFile *file, unsigned char *buf, int len)
{
FILE *f = file->closure;
return fread (buf, 1, len, f);
}
static int
_XcursorStdioFileWrite (XcursorFile *file, unsigned char *buf, int len)
{
FILE *f = file->closure;
return fwrite (buf, 1, len, f);
}
static int
_XcursorStdioFileSeek (XcursorFile *file, long offset, int whence)
{
FILE *f = file->closure;
return fseek (f, offset, whence);
}
static void
_XcursorStdioFileInitialize (FILE *stdfile, XcursorFile *file)
{
file->closure = stdfile;
file->read = _XcursorStdioFileRead;
file->write = _XcursorStdioFileWrite;
file->seek = _XcursorStdioFileSeek;
}
static XcursorImages *
XcursorFileLoadImages (FILE *file, int size)
{
XcursorFile f;
if (!file)
return NULL;
_XcursorStdioFileInitialize (file, &f);
return XcursorXcFileLoadImages (&f, size);
}
/*
* From libXcursor/src/library.c
*/
#ifndef ICONDIR
#define ICONDIR "/usr/X11R6/lib/X11/icons"
#endif
#ifndef XCURSORPATH
#define XCURSORPATH "~/.icons:/usr/share/icons:/usr/share/pixmaps:~/.cursors:/usr/share/cursors/xorg-x11:"ICONDIR
#endif
static const char *
XcursorLibraryPath (void)
{
static const char *path;
if (!path)
{
path = getenv ("XCURSOR_PATH");
if (!path)
path = XCURSORPATH;
}
return path;
}
static void
_XcursorAddPathElt (char *path, const char *elt, int len)
{
int pathlen = strlen (path);
/* append / if the path doesn't currently have one */
if (path[0] == '\0' || path[pathlen - 1] != '/')
{
strcat (path, "/");
pathlen++;
}
if (len == -1)
len = strlen (elt);
/* strip leading slashes */
while (len && elt[0] == '/')
{
elt++;
len--;
}
strncpy (path + pathlen, elt, len);
path[pathlen + len] = '\0';
}
static char *
_XcursorBuildThemeDir (const char *dir, const char *theme)
{
const char *colon;
const char *tcolon;
char *full;
char *home;
int dirlen;
int homelen;
int themelen;
int len;
if (!dir || !theme)
return NULL;
colon = strchr (dir, ':');
if (!colon)
colon = dir + strlen (dir);
dirlen = colon - dir;
tcolon = strchr (theme, ':');
if (!tcolon)
tcolon = theme + strlen (theme);
themelen = tcolon - theme;
home = NULL;
homelen = 0;
if (*dir == '~')
{
home = getenv ("HOME");
if (!home)
return NULL;
homelen = strlen (home);
dir++;
dirlen--;
}
/*
* add space for any needed directory separators, one per component,
* and one for the trailing null
*/
len = 1 + homelen + 1 + dirlen + 1 + themelen + 1;
full = malloc (len);
if (!full)
return NULL;
full[0] = '\0';
if (home)
_XcursorAddPathElt (full, home, -1);
_XcursorAddPathElt (full, dir, dirlen);
_XcursorAddPathElt (full, theme, themelen);
return full;
}
static char *
_XcursorBuildFullname (const char *dir, const char *subdir, const char *file)
{
char *full;
if (!dir || !subdir || !file)
return NULL;
full = malloc (strlen (dir) + 1 + strlen (subdir) + 1 + strlen (file) + 1);
if (!full)
return NULL;
full[0] = '\0';
_XcursorAddPathElt (full, dir, -1);
_XcursorAddPathElt (full, subdir, -1);
_XcursorAddPathElt (full, file, -1);
return full;
}
static const char *
_XcursorNextPath (const char *path)
{
char *colon = strchr (path, ':');
if (!colon)
return NULL;
return colon + 1;
}
#define XcursorWhite(c) ((c) == ' ' || (c) == '\t' || (c) == '\n')
#define XcursorSep(c) ((c) == ';' || (c) == ',')
static char *
_XcursorThemeInherits (const char *full)
{
char line[8192];
char *result = NULL;
FILE *f;
if (!full)
return NULL;
f = fopen (full, "r");
if (f)
{
while (fgets (line, sizeof (line), f))
{
if (!strncmp (line, "Inherits", 8))
{
char *l = line + 8;
char *r;
while (*l == ' ') l++;
if (*l != '=') continue;
l++;
while (*l == ' ') l++;
result = malloc (strlen (l) + 1);
if (result)
{
r = result;
while (*l)
{
while (XcursorSep(*l) || XcursorWhite (*l)) l++;
if (!*l)
break;
if (r != result)
*r++ = ':';
while (*l && !XcursorWhite(*l) &&
!XcursorSep(*l))
*r++ = *l++;
}
*r++ = '\0';
}
break;
}
}
fclose (f);
}
return result;
}
static FILE *
XcursorScanTheme (const char *theme, const char *name)
{
FILE *f = NULL;
char *full;
char *dir;
const char *path;
char *inherits = NULL;
const char *i;
if (!theme || !name)
return NULL;
/*
* Scan this theme
*/
for (path = XcursorLibraryPath ();
path && f == NULL;
path = _XcursorNextPath (path))
{
dir = _XcursorBuildThemeDir (path, theme);
if (dir)
{
full = _XcursorBuildFullname (dir, "cursors", name);
if (full)
{
f = fopen (full, "r");
free (full);
}
if (!f && !inherits)
{
full = _XcursorBuildFullname (dir, "", "index.theme");
if (full)
{
inherits = _XcursorThemeInherits (full);
free (full);
}
}
free (dir);
}
}
/*
* Recurse to scan inherited themes
*/
for (i = inherits; i && f == NULL; i = _XcursorNextPath (i))
{
if (strcmp(i, theme) != 0)
f = XcursorScanTheme (i, name);
else
printf("Not calling XcursorScanTheme because of circular dependency: %s. %s", i, name);
}
if (inherits != NULL)
free (inherits);
return f;
}
XcursorImages *
XcursorLibraryLoadImages (const char *file, const char *theme, int size)
{
FILE *f = NULL;
XcursorImages *images = NULL;
if (!file)
return NULL;
if (theme)
f = XcursorScanTheme (theme, file);
if (!f)
f = XcursorScanTheme ("default", file);
if (f)
{
images = XcursorFileLoadImages (f, size);
if (images)
XcursorImagesSetName (images, file);
fclose (f);
}
return images;
}
static void
load_all_cursors_from_dir(const char *path, int size,
void (*load_callback)(XcursorImages *, void *),
void *user_data)
{
FILE *f;
DIR *dir = opendir(path);
struct dirent *ent;
char *full;
XcursorImages *images;
if (!dir)
return;
for(ent = readdir(dir); ent; ent = readdir(dir)) {
#ifdef _DIRENT_HAVE_D_TYPE
if (ent->d_type != DT_UNKNOWN &&
(ent->d_type != DT_REG && ent->d_type != DT_LNK))
continue;
#endif
full = _XcursorBuildFullname(path, "", ent->d_name);
if (!full)
continue;
f = fopen(full, "r");
if (!f) {
free(full);
continue;
}
images = XcursorFileLoadImages(f, size);
if (images) {
XcursorImagesSetName(images, ent->d_name);
load_callback(images, user_data);
}
fclose (f);
free(full);
}
closedir(dir);
}
/** Load all the cursor of a theme
*
* This function loads all the cursor images of a given theme and its
* inherited themes. Each cursor is loaded into an XcursorImages object
* which is passed to the caller's load callback. If a cursor appears
* more than once across all the inherited themes, the load callback
* will be called multiple times, with possibly different XcursorImages
* object which have the same name. The user is expected to destroy the
* XcursorImages objects passed to the callback with
* XcursorImagesDestroy().
*
* \param theme The name of theme that should be loaded
* \param size The desired size of the cursor images
* \param load_callback A callback function that will be called
* for each cursor loaded. The first parameter is the XcursorImages
* object representing the loaded cursor and the second is a pointer
* to data provided by the user.
* \param user_data The data that should be passed to the load callback
*/
void
xcursor_load_theme(const char *theme, int size,
void (*load_callback)(XcursorImages *, void *),
void *user_data)
{
char *full, *dir;
char *inherits = NULL;
const char *path, *i;
if (!theme)
theme = "default";
for (path = XcursorLibraryPath();
path;
path = _XcursorNextPath(path)) {
dir = _XcursorBuildThemeDir(path, theme);
if (!dir)
continue;
full = _XcursorBuildFullname(dir, "cursors", "");
if (full) {
load_all_cursors_from_dir(full, size, load_callback,
user_data);
free(full);
}
if (!inherits) {
full = _XcursorBuildFullname(dir, "", "index.theme");
if (full) {
inherits = _XcursorThemeInherits(full);
free(full);
}
}
free(dir);
}
for (i = inherits; i; i = _XcursorNextPath(i))
xcursor_load_theme(i, size, load_callback, user_data);
if (inherits)
free(inherits);
}
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