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
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* Id: vxmouse.c,v 1.1 1999/11/24 08:35:24 keithp Exp $
*
* Copyright © 1999 Network Computing Devices, Inc. All rights reserved.
*
* Author: Keith Packard
*/
#define NEED_EVENTS
#include <X11/X.h>
#include <X11/Xproto.h>
#include "inputstr.h"
#include "scrnintstr.h"
#include "kdrive.h"
#include "Xpoll.h"
#include <event.h>
#include <smem.h>
static unsigned long mouseState;
#define BUTTON1 0x01
#define BUTTON2 0x02
#define BUTTON3 0x04
#include <errno.h>
static int mouseFd = -1;
static eventqueue *eventQueue;
void
VxMouseRead (int mousePort)
{
Event ev;
int dx, dy;
unsigned long flags;
unsigned long mask;
int n;
while (eventQueue->head != eventQueue->tail)
{
ev = *eventQueue->head;
if (eventQueue->head >= &eventQueue->events[eventQueue->size-1])
eventQueue->head = &eventQueue->events[0];
else
eventQueue->head++;
switch (ev.e_type) {
case E_BUTTON:
switch (ev.e_device) {
case E_MOUSE:
switch (ev.e_key) {
case BUTTON1:
mask = KD_BUTTON_1;
break;
case BUTTON2:
mask = KD_BUTTON_2;
break;
case BUTTON3:
mask = KD_BUTTON_3;
break;
default:
mask = 0;
break;
}
if (ev.e_direction == E_KBUP)
mouseState &= ~mask;
else
mouseState |= mask;
KdEnqueueMouseEvent (mouseState | KD_MOUSE_DELTA, 0, 0);
break;
case E_DKB:
KdEnqueueKeyboardEvent (ev.e_key, ev.e_direction == E_KBUP);
break;
}
break;
case E_MMOTION:
KdEnqueueMouseEvent (mouseState | KD_MOUSE_DELTA,
ev.e_x, ev.e_y);
break;
}
}
}
int
VxMouseInit (void)
{
int mousePort;
unsigned long ev_size;
mouseState = 0;
mousePort = open ("/dev/xdev", O_RDONLY, 0);
if (mousePort < 0)
ErrorF ("event port open failure %d\n", errno);
mouseFd = open ("/dev/mouse", O_RDONLY, 0);
if (mouseFd < 0)
ErrorF ("mouse open failure %d\n", errno);
if (eventQueue == 0)
{
ioctl (mousePort, EVENT_QUEUE_SMSIZE, &ev_size);
eventQueue = (eventqueue *) smem_get ("event", ev_size, (SM_READ|SM_WRITE));
}
return mousePort;
}
void
VxMouseFini (int mousePort)
{
if (mousePort >= 0)
close (mousePort);
if (mouseFd >= 0)
{
close (mouseFd);
mouseFd = -1;
}
}
KdMouseFuncs VxWorksMouseFuncs = {
VxMouseInit,
VxMouseRead,
VxMouseFini
};
|
