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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/* $Xorg: XEVI.c,v 1.3 2000/08/17 19:45:51 cpqbld Exp $ */
/************************************************************
Copyright (c) 1997 by Silicon Graphics Computer Systems, Inc.
Permission to use, copy, modify, and distribute this
software and its documentation for any purpose and without
fee is hereby granted, provided that the above copyright
notice appear in all copies and that both that copyright
notice and this permission notice appear in supporting
documentation, and that the name of Silicon Graphics not be
used in advertising or publicity pertaining to distribution
of the software without specific prior written permission.
Silicon Graphics makes no representation about the suitability
of this software for any purpose. It is provided "as is"
without any express or implied warranty.
SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
THE USE OR PERFORMANCE OF THIS SOFTWARE.
********************************************************/
/* $XFree86$ */
#define NEED_EVENTS
#define NEED_REPLIES
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <X11/Xlibint.h>
#include <X11/extensions/XEVI.h>
#include <X11/extensions/XEVIstr.h>
#include <X11/extensions/Xext.h>
#include <X11/extensions/extutil.h>
#include <X11/Xutil.h>
static XExtensionInfo *xevi_info;/* needs to move to globals.c */
static /* const */ char *xevi_extension_name = EVINAME;
#define XeviCheckExtension(dpy,i,val) \
XextCheckExtension (dpy, i, xevi_extension_name, val)
/*****************************************************************************
* *
* private utility routines *
* *
*****************************************************************************/
static /* const */ XExtensionHooks xevi_extension_hooks = {
NULL, /* create_gc */
NULL, /* copy_gc */
NULL, /* flush_gc */
NULL, /* free_gc */
NULL, /* create_font */
NULL, /* free_font */
NULL, /* close_display */
NULL, /* wire_to_event */
NULL, /* event_to_wire */
NULL, /* error */
NULL, /* error_string */
};
static XEXT_GENERATE_FIND_DISPLAY (find_display, xevi_info,
xevi_extension_name,
&xevi_extension_hooks, 0, NULL)
Bool XeviQueryExtension (Display *dpy)
{
XExtDisplayInfo *info = find_display (dpy);
if (XextHasExtension(info)) {
return True;
} else {
return False;
}
}
Bool XeviQueryVersion(Display *dpy, int *majorVersion, int *minorVersion)
{
XExtDisplayInfo *info = find_display (dpy);
xEVIQueryVersionReply rep;
register xEVIQueryVersionReq *req;
XeviCheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(EVIQueryVersion, req);
req->reqType = info->codes->major_opcode;
req->xeviReqType = X_EVIQueryVersion;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*majorVersion = rep.majorVersion;
*minorVersion = rep.minorVersion;
UnlockDisplay(dpy);
SyncHandle();
return True;
}
static Bool notInList(VisualID32 *visual, int sz_visual, VisualID newVisualid)
{
while (sz_visual-- > 0) {
if (*visual == newVisualid)
return False;
visual++;
}
return True;
}
Status XeviGetVisualInfo(
register Display *dpy,
VisualID *visual,
int n_visual,
ExtendedVisualInfo **evi_return,
int *n_info_return)
{
XExtDisplayInfo *info = find_display (dpy);
register xEVIGetVisualInfoReq *req;
xEVIGetVisualInfoReply rep;
int sz_info, sz_xInfo, sz_conflict, sz_xConflict;
VisualID32 *temp_conflict, *temp_visual, *xConflictPtr;
VisualID *conflict;
xExtendedVisualInfo *temp_xInfo;
XVisualInfo *vinfo;
register ExtendedVisualInfo *infoPtr;
register xExtendedVisualInfo *xInfoPtr;
register int n_data, visualIndex, vinfoIndex;
Bool isValid;
XeviCheckExtension (dpy, info, 0);
*n_info_return = 0;
*evi_return = NULL;
vinfo = XGetVisualInfo(dpy, 0, NULL, &sz_info);
if (!vinfo || !evi_return) {
return BadValue;
}
if (!n_visual || !visual) { /* copy the all visual */
temp_visual = (VisualID32 *)Xmalloc(sz_VisualID32 * sz_info);
n_visual = 0;
for (vinfoIndex = 0; vinfoIndex < sz_info; vinfoIndex++)
if (notInList(temp_visual, n_visual, vinfo[vinfoIndex].visualid))
temp_visual[n_visual++] = vinfo[vinfoIndex].visualid;
}
else { /* check if the visual is valid */
for (visualIndex = 0; visualIndex < n_visual; visualIndex++) {
isValid = False;
for (vinfoIndex = 0; vinfoIndex < sz_info; vinfoIndex++) {
if (visual[visualIndex] == vinfo[vinfoIndex].visualid) {
isValid = True;
break;
}
}
if (!isValid) {
XFree(vinfo);
return BadValue;
}
}
temp_visual = (VisualID32 *)Xmalloc(sz_VisualID32 * n_visual);
for (visualIndex = 0; visualIndex < n_visual; visualIndex++)
temp_visual[visualIndex] = visual[visualIndex];
}
XFree(vinfo);
LockDisplay(dpy);
GetReq(EVIGetVisualInfo, req);
req->reqType = info->codes->major_opcode;
req->xeviReqType = X_EVIGetVisualInfo;
req->n_visual = n_visual;
SetReqLen(req, n_visual, 1);
Data(dpy, (char *)temp_visual, n_visual * sz_VisualID32);
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
Xfree(temp_visual);
return BadAccess;
}
Xfree(temp_visual);
sz_info = rep.n_info * sizeof(ExtendedVisualInfo);
sz_xInfo = rep.n_info * sz_xExtendedVisualInfo;
sz_conflict = rep.n_conflicts * sizeof(VisualID);
sz_xConflict = rep.n_conflicts * sz_VisualID32;
infoPtr = *evi_return = (ExtendedVisualInfo *)Xmalloc(sz_info + sz_conflict);
xInfoPtr = temp_xInfo = (xExtendedVisualInfo *)Xmalloc(sz_xInfo);
xConflictPtr = temp_conflict = (VisualID32 *)Xmalloc(sz_xConflict);
if (!*evi_return || !temp_xInfo || !temp_conflict) {
_XEatData(dpy, (sz_xInfo + sz_xConflict + 3) & ~3);
UnlockDisplay(dpy);
SyncHandle();
if (evi_return)
Xfree(evi_return);
if (temp_xInfo)
Xfree(temp_xInfo);
if (temp_conflict)
Xfree(temp_conflict);
return BadAlloc;
}
_XRead(dpy, (char *)temp_xInfo, sz_xInfo);
_XRead(dpy, (char *)temp_conflict, sz_xConflict);
UnlockDisplay(dpy);
SyncHandle();
n_data = rep.n_info;
conflict = (VisualID *)(infoPtr + n_data);
while (n_data-- > 0) {
infoPtr->core_visual_id = xInfoPtr->core_visual_id;
infoPtr->screen = xInfoPtr->screen;
infoPtr->level = xInfoPtr->level;
infoPtr->transparency_type = xInfoPtr->transparency_type;
infoPtr->transparency_value = xInfoPtr->transparency_value;
infoPtr->min_hw_colormaps = xInfoPtr->min_hw_colormaps;
infoPtr->max_hw_colormaps = xInfoPtr->max_hw_colormaps;
infoPtr->num_colormap_conflicts = xInfoPtr->num_colormap_conflicts;
infoPtr->colormap_conflicts = conflict;
conflict += infoPtr->num_colormap_conflicts;
infoPtr++;
xInfoPtr++;
}
n_data = rep.n_conflicts;
conflict = (VisualID *)(infoPtr);
while (n_data-- > 0)
*conflict++ = *xConflictPtr++;
Xfree(temp_xInfo);
Xfree(temp_conflict);
*n_info_return = rep.n_info;
return Success;
}
|
