1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/*
* $Id$
*
* 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 "config.h"
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 theme_core;
int size;
XcursorFontInfo *fonts;
char *theme;
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);
#endif /* _XCURSORINT_H_ */
|
