kinfo.c revision 05b261ec 
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 = (KdCardInfo *) xalloc (sizeof (KdCardInfo));
38    if (!ci)
39	return 0;
40    bzero (ci, sizeof (KdCardInfo));
41    for (prev = &kdCardInfo; *prev; prev = &(*prev)->next);
42    *prev = ci;
43    ci->cfuncs = funcs;
44    ci->attr = *attr;
45    ci->closure = closure;
46    ci->screenList = 0;
47    ci->selected = 0;
48    ci->next = 0;
49    return ci;
50}
51
52KdCardInfo *
53KdCardInfoLast (void)
54{
55    KdCardInfo	*ci;
56
57    if (!kdCardInfo)
58	return 0;
59    for (ci = kdCardInfo; ci->next; ci = ci->next);
60    return ci;
61}
62
63void
64KdCardInfoDispose (KdCardInfo *ci)
65{
66    KdCardInfo	**prev;
67
68    for (prev = &kdCardInfo; *prev; prev = &(*prev)->next)
69	if (*prev == ci)
70	{
71	    *prev = ci->next;
72	    xfree (ci);
73	    break;
74	}
75}
76
77KdScreenInfo *
78KdScreenInfoAdd (KdCardInfo *ci)
79{
80    KdScreenInfo    *si, **prev;
81    int		    n;
82
83    si = (KdScreenInfo *) xalloc (sizeof (KdScreenInfo));
84    if (!si)
85	return 0;
86    bzero (si, sizeof (KdScreenInfo));
87    for (prev = &ci->screenList, n = 0; *prev; prev = &(*prev)->next, n++);
88    *prev = si;
89    si->next = 0;
90    si->card = ci;
91    si->mynum = n;
92    return si;
93}
94
95void
96KdScreenInfoDispose (KdScreenInfo *si)
97{
98    KdCardInfo	    *ci = si->card;
99    KdScreenInfo    **prev;
100
101    for (prev = &ci->screenList; *prev; prev = &(*prev)->next) {
102	if (*prev == si)
103	{
104	    *prev = si->next;
105	    xfree (si);
106	    if (!ci->screenList)
107		KdCardInfoDispose (ci);
108	    break;
109	}
110    }
111}
112
113KdPointerInfo *
114KdNewPointer (void)
115{
116    KdPointerInfo *pi;
117    int i;
118
119    pi = (KdPointerInfo *)xcalloc(1, sizeof(KdPointerInfo));
120    if (!pi)
121        return NULL;
122
123    pi->name = KdSaveString("Generic Pointer");
124    pi->path = NULL;
125    pi->inputClass = KD_MOUSE;
126    pi->driver = NULL;
127    pi->driverPrivate = NULL;
128    pi->next = NULL;
129    pi->options = NULL;
130    pi->nAxes = 3;
131    pi->nButtons = KD_MAX_BUTTON;
132    for (i = 1; i < KD_MAX_BUTTON; i++)
133        pi->map[i] = i;
134
135    return pi;
136}
137
138void
139KdFreePointer(KdPointerInfo *pi)
140{
141    InputOption *option, *prev = NULL;
142
143    if (pi->name)
144        xfree(pi->name);
145    if (pi->path)
146        xfree(pi->path);
147
148    for (option = pi->options; option; option = option->next) {
149        if (prev)
150            xfree(prev);
151        if (option->key)
152            xfree(option->key);
153        if (option->value)
154            xfree(option->value);
155        prev = option;
156    }
157
158    if (prev)
159        xfree(prev);
160
161    xfree(pi);
162}
163
164void
165KdFreeKeyboard(KdKeyboardInfo *ki)
166{
167    if (ki->name)
168        xfree(ki->name);
169    if (ki->path)
170        xfree(ki->path);
171    ki->next = NULL;
172    xfree(ki);
173}
174