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
|
/*
* XIint.h - Header definition and support file for the internal
* support routines used by the Xi library.
*/
#ifndef _XIINT_H_
#define _XIINT_H_
#include <X11/extensions/XI.h>
/* inputproto 2.0 still shipped with these defined in the proto headers */
#ifndef XInput_Initial_Release
/* Indices into the versions[] array (XExtInt.c). Used as a index to
* retrieve the minimum version of XI from _XiCheckExtInit */
#define Dont_Check 0
#define XInput_Initial_Release 1
#define XInput_Add_XDeviceBell 2
#define XInput_Add_XSetDeviceValuators 3
#define XInput_Add_XChangeDeviceControl 4
#define XInput_Add_DevicePresenceNotify 5
#define XInput_Add_DeviceProperties 6
#define XInput_2_0 7
#endif
#define XInput_2_1 8
#define XInput_2_2 9
#define XInput_2_3 10
extern XExtDisplayInfo *XInput_find_display(Display *);
extern int _XiCheckExtInit(Display *, int, XExtDisplayInfo *);
extern int _XiCheckVersion(XExtDisplayInfo *info, int version_index);
extern XExtensionVersion *_XiGetExtensionVersion(Display *, _Xconst char *, XExtDisplayInfo *);
extern XExtensionVersion* _XiGetExtensionVersionRequest(Display *dpy, _Xconst char *name, int xi_opcode);
extern Status _xiQueryVersion(Display *dpy, int*, int*, XExtDisplayInfo *);
extern Status _XiEventToWire(
register Display * /* dpy */,
register XEvent * /* re */,
register xEvent ** /* event */,
register int * /* count */
);
typedef struct _XInputData
{
XEvent data;
XExtensionVersion *vers;
} XInputData;
/**
* Returns the next valid memory block of the given size within the block
* previously allocated.
* Use letting pointers inside a struct point to bytes after the same
* struct, e.g. during protocol parsing etc.
*
* Caller is responsible for allocating enough memory.
*
* Example:
* void *ptr;
* struct foo {
* int num_a;
* int num_b;
* int *a;
* int *b;
* } bar;
*
* ptr = malloc(large_enough);
* bar = next_block(&ptr, sizeof(struct foo));
* bar->num_a = 10;
* bar->num_b = 20;
* bar->a = next_block(&ptr, bar->num_a);
* bar->b = next_block(&ptr, bar->num_b);
*/
static inline void*
next_block(void **ptr, int size) {
void *ret = *ptr;
if (!*ptr)
return NULL;
*(unsigned char**)ptr += size;
return ret;
}
#ifndef HAVE__XEATDATAWORDS
#include <X11/Xmd.h> /* for LONG64 on 64-bit platforms */
#include <limits.h>
static inline void _XEatDataWords(Display *dpy, unsigned long n)
{
# ifndef LONG64
if (n >= (ULONG_MAX >> 2))
_XIOError(dpy);
# endif
_XEatData (dpy, n << 2);
}
#endif
#endif
|
