xkbdraw.c revision 4cd6a3ae 
1/************************************************************
2 Copyright (c) 1995 by Silicon Graphics Computer Systems, Inc.
3
4 Permission to use, copy, modify, and distribute this
5 software and its documentation for any purpose and without
6 fee is hereby granted, provided that the above copyright
7 notice appear in all copies and that both that copyright
8 notice and this permission notice appear in supporting
9 documentation, and that the name of Silicon Graphics not be
10 used in advertising or publicity pertaining to distribution
11 of the software without specific prior written permission.
12 Silicon Graphics makes no representation about the suitability
13 of this software for any purpose. It is provided "as is"
14 without any express or implied warranty.
15
16 SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17 SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
18 AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
19 GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
20 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
22 OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
23 THE USE OR PERFORMANCE OF THIS SOFTWARE.
24
25 ********************************************************/
26
27#ifdef HAVE_CONFIG_H
28#include <config.h>
29#endif
30#include <stdio.h>
31#include <ctype.h>
32#include <stdlib.h>
33
34#include <X11/Xos.h>
35#include <X11/Xfuncs.h>
36#include <X11/Xlib.h>
37#include <X11/keysym.h>
38#include <X11/XKBlib.h>
39#include <X11/extensions/XKBgeom.h>
40#include "XKMformat.h"
41#include "XKBfileInt.h"
42
43static void
44_XkbAddDrawable(XkbDrawablePtr *pfirst,XkbDrawablePtr *plast,XkbDrawablePtr tmp)
45{
46XkbDrawablePtr	old;
47
48    if (*pfirst==NULL) {
49	*pfirst= *plast= tmp;
50    }
51    else if (tmp->priority>=(*plast)->priority) {
52	(*plast)->next= tmp;
53	*plast= tmp;
54    }
55    else if (tmp->priority<(*pfirst)->priority) {
56	tmp->next= (*pfirst);
57	(*pfirst)= tmp;
58    }
59    else {
60	old= *pfirst;
61	while ((old->next)&&(old->next->priority<=tmp->priority)) {
62	    old= old->next;
63	}
64	tmp->next= old->next;
65	old->next= tmp;
66    }
67    return;
68}
69
70XkbDrawablePtr
71XkbGetOrderedDrawables(XkbGeometryPtr geom,XkbSectionPtr section)
72{
73XkbDrawablePtr	first,last,tmp;
74int		i;
75
76    first= last= NULL;
77    if (geom!=NULL) {
78	XkbSectionPtr	section;
79	XkbDoodadPtr	doodad;
80	for (i=0,section=geom->sections;i<geom->num_sections;i++,section++) {
81	    tmp= _XkbTypedCalloc(1,XkbDrawableRec);
82	    if (!tmp) {
83		XkbFreeOrderedDrawables(first);
84		return NULL;
85	    }
86	    tmp->type= XkbDW_Section;
87	    tmp->priority= section->priority;
88	    tmp->u.section= section;
89	    tmp->next= NULL;
90	    _XkbAddDrawable(&first,&last,tmp);
91	}
92	for (i=0,doodad=geom->doodads;i<geom->num_doodads;i++,doodad++) {
93	    tmp= _XkbTypedCalloc(1,XkbDrawableRec);
94	    if (!tmp) {
95		XkbFreeOrderedDrawables(first);
96		return NULL;
97	    }
98	    tmp->type= XkbDW_Doodad;
99	    tmp->priority= doodad->any.priority;
100	    tmp->u.doodad= doodad;
101	    tmp->next= NULL;
102	    _XkbAddDrawable(&first,&last,tmp);
103	}
104    }
105    if (section!=NULL) {
106	XkbDoodadPtr	doodad;
107	for (i=0,doodad=section->doodads;i<section->num_doodads;i++,doodad++) {
108	    tmp= _XkbTypedCalloc(1,XkbDrawableRec);
109	    if (!tmp) {
110		XkbFreeOrderedDrawables(first);
111		return NULL;
112	    }
113	    tmp->type= XkbDW_Doodad;
114	    tmp->priority= doodad->any.priority;
115	    tmp->u.doodad= doodad;
116	    tmp->next= NULL;
117	    _XkbAddDrawable(&first,&last,tmp);
118	}
119    }
120    return first;
121}
122
123void
124XkbFreeOrderedDrawables(XkbDrawablePtr draw)
125{
126XkbDrawablePtr	tmp;
127
128   for (;draw!=NULL;draw=tmp) {
129	tmp= draw->next;
130	_XkbFree(draw);
131   }
132   return;
133}
134