kinfo.c revision 4642e01f 
1/*
2 * Copyright � 1999 Keith Packard
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that
7 * copyright notice and this permission notice appear in supporting
8 * documentation, and that the name of Keith Packard not be used in
9 * advertising or publicity pertaining to distribution of the software without
10 * specific, written prior permission.  Keith Packard makes no
11 * representations about the suitability of this software for any purpose.  It
12 * is provided "as is" without express or implied warranty.
13 *
14 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20 * PERFORMANCE OF THIS SOFTWARE.
21 */
22
23#ifdef HAVE_CONFIG_H
24#include <kdrive-config.h>
25#endif
26#include "kdrive.h"
27
28KdCardInfo  *kdCardInfo;
29
30KdCardInfo *
31KdCardInfoAdd (KdCardFuncs  *funcs,
32	       KdCardAttr   *attr,
33	       void	    *closure)
34{
35    KdCardInfo	*ci, **prev;
36
37    ci = xcalloc (1, sizeof (KdCardInfo));
38    if (!ci)
39	return 0;
40    for (prev = &kdCardInfo; *prev; prev = &(*prev)->next);
41    *prev = ci;
42    ci->cfuncs = funcs;
43    ci->attr = *attr;
44    ci->closure = closure;
45    ci->screenList = 0;
46    ci->selected = 0;
47    ci->next = 0;
48    return ci;
49}
50
51KdCardInfo *
52KdCardInfoLast (void)
53{
54    KdCardInfo	*ci;
55
56    if (!kdCardInfo)
57	return 0;
58    for (ci = kdCardInfo; ci->next; ci = ci->next);
59    return ci;
60}
61
62void
63KdCardInfoDispose (KdCardInfo *ci)
64{
65    KdCardInfo	**prev;
66
67    for (prev = &kdCardInfo; *prev; prev = &(*prev)->next)
68	if (*prev == ci)
69	{
70	    *prev = ci->next;
71	    xfree (ci);
72	    break;
73	}
74}
75
76KdScreenInfo *
77KdScreenInfoAdd (KdCardInfo *ci)
78{
79    KdScreenInfo    *si, **prev;
80    int		    n;
81
82    si = xcalloc (1, sizeof (KdScreenInfo));
83    if (!si)
84	return 0;
85    for (prev = &ci->screenList, n = 0; *prev; prev = &(*prev)->next, n++);
86    *prev = si;
87    si->next = 0;
88    si->card = ci;
89    si->mynum = n;
90    return si;
91}
92
93void
94KdScreenInfoDispose (KdScreenInfo *si)
95{
96    KdCardInfo	    *ci = si->card;
97    KdScreenInfo    **prev;
98
99    for (prev = &ci->screenList; *prev; prev = &(*prev)->next) {
100	if (*prev == si)
101	{
102	    *prev = si->next;
103	    xfree (si);
104	    if (!ci->screenList)
105		KdCardInfoDispose (ci);
106	    break;
107	}
108    }
109}
110
111KdPointerInfo *
112KdNewPointer (void)
113{
114    KdPointerInfo *pi;
115    int i;
116
117    pi = (KdPointerInfo *)xcalloc(1, sizeof(KdPointerInfo));
118    if (!pi)
119        return NULL;
120
121    pi->name = KdSaveString("Generic Pointer");
122    pi->path = NULL;
123    pi->inputClass = KD_MOUSE;
124    pi->driver = NULL;
125    pi->driverPrivate = NULL;
126    pi->next = NULL;
127    pi->options = NULL;
128    pi->nAxes = 3;
129    pi->nButtons = KD_MAX_BUTTON;
130    for (i = 1; i < KD_MAX_BUTTON; i++)
131        pi->map[i] = i;
132
133    return pi;
134}
135
136void
137KdFreePointer(KdPointerInfo *pi)
138{
139    InputOption *option, *prev = NULL;
140
141    if (pi->name)
142        xfree(pi->name);
143    if (pi->path)
144        xfree(pi->path);
145
146    for (option = pi->options; option; option = option->next) {
147        if (prev)
148            xfree(prev);
149        if (option->key)
150            xfree(option->key);
151        if (option->value)
152            xfree(option->value);
153        prev = option;
154    }
155
156    if (prev)
157        xfree(prev);
158
159    xfree(pi);
160}
161
162void
163KdFreeKeyboard(KdKeyboardInfo *ki)
164{
165    if (ki->name)
166        xfree(ki->name);
167    if (ki->path)
168        xfree(ki->path);
169    ki->next = NULL;
170    xfree(ki);
171}
172