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/*
* Copyright © 2024 Thomas E. Dickey
* 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 _XCURSORINT_H_
#define _XCURSORINT_H_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <X11/Xlib.h>
#include <X11/cursorfont.h>
#include <X11/extensions/Xrender.h>
#ifdef HAVE_XFIXES
#include <X11/extensions/Xfixes.h>
#endif
#include "Xcursor.h"
#include <fcntl.h>
#ifdef O_CLOEXEC
#define FOPEN_CLOEXEC "e"
#else
#define FOPEN_CLOEXEC ""
#endif
typedef struct _XcursorFontInfo {
struct _XcursorFontInfo *next;
Font font;
XcursorBool is_cursor_font;
} XcursorFontInfo;
/*
* Track a few recently created bitmaps to see
* if they get used to create cursors. This
* is done by hooking into Xlib and watching
* for XCreatePixmap, XPutImage, XCreatePixmapCursor
* with appropriate arguments. When this happens
* Xcursor computes a hash value for the source image
* and tries to load a library cursor of that name.
*/
/* large bitmaps are unlikely to be cursors */
#define MAX_BITMAP_CURSOR_SIZE 64
/* don't need to remember very many; in fact, 2 is likely sufficient */
#define NUM_BITMAPS 8
typedef struct _XcursorBitmapInfo {
Pixmap bitmap;
unsigned long sequence;
unsigned int width, height;
Bool has_image;
unsigned char hash[XCURSOR_BITMAP_HASH_SIZE];
} XcursorBitmapInfo;
typedef enum _XcursorDither {
XcursorDitherThreshold,
XcursorDitherMedian,
XcursorDitherOrdered,
XcursorDitherDiffuse
} XcursorDither;
typedef struct _XcursorDisplayInfo {
struct _XcursorDisplayInfo *next;
Display *display;
XExtCodes *codes;
XcursorBool has_render_cursor;
XcursorBool has_anim_cursor;
XcursorBool resized_cursors;
XcursorBool theme_core;
int size;
XcursorFontInfo *fonts;
char *theme;
char *theme_from_config;
XcursorDither dither;
XcursorBitmapInfo bitmaps[NUM_BITMAPS];
} XcursorDisplayInfo;
XcursorDisplayInfo *
_XcursorGetDisplayInfo (Display *dpy);
Cursor
_XcursorCreateGlyphCursor(Display *dpy,
Font source_font,
Font mask_font,
unsigned int source_char,
unsigned int mask_char,
XColor _Xconst *foreground,
XColor _Xconst *background);
Cursor
_XcursorCreateFontCursor (Display *dpy, unsigned int shape);
/* provide for XCURSOR_RESIZED */
XcursorImage *
_XcursorFileLoadImage (FILE *file, int size, XcursorBool resize);
XcursorImages *
_XcursorXcFileLoadImages (XcursorFile *file, int size, XcursorBool resize);
XcursorImages *
_XcursorFileLoadImages (FILE *file, int size, XcursorBool resize);
XcursorImages *
_XcursorFilenameLoadImages (const char *file, int size, XcursorBool resize);
XcursorImages *
_XcursorShapeLoadImages (Display *dpy, unsigned int shape);
#ifdef DEBUG_XCURSOR
void _XcursorTrace(const char *fmt, ...) __attribute__((format(printf,1,2)));
void *_XcursorReturnAddr(void *addr);
int _XcursorReturnCode(int code);
unsigned long _XcursorReturnLong(unsigned long code);
unsigned _XcursorReturnUint(unsigned code);
void _XcursorReturnVoid(void);
#define T_CALLED(func) "called: { " #func
#define T_OPTION(opts) "option: : " #opts
#define T_RETURN(form) "return: } %" #form "\n"
#define enterFunc(params) _XcursorTrace params
#define traceOpts(params) _XcursorTrace params
#define returnAddr(addr) return _XcursorReturnAddr(addr)
#define returnCode(code) return _XcursorReturnCode(code)
#define returnLong(code) return _XcursorReturnLong(code)
#define returnUint(code) return _XcursorReturnUint(code)
#define returnVoid() do { _XcursorReturnVoid(); return; } while (0)
#else
#define enterFunc(params) /* nothing */
#define traceOpts(params) /* nothing */
#define returnAddr(addr) return (addr)
#define returnCode(code) return (code)
#define returnLong(code) return (code)
#define returnUint(code) return (code)
#define returnVoid() return
#endif
#define NonNull(p) ((p) != NULL ? (p) : "<null>")
#endif /* _XCURSORINT_H_ */
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