Xevie.c revision d9c7fc6c 
1/* $XdotOrg: xc/lib/Xevie/Xevie.c,v 1.2 2005/05/22 01:20:14 alanc Exp $ */
2/************************************************************
3
4Copyright 2003 Sun Microsystems, Inc.
5
6All rights reserved.
7
8Permission is hereby granted, free of charge, to any person obtaining a
9copy of this software and associated documentation files (the
10"Software"), to deal in the Software without restriction, including
11without limitation the rights to use, copy, modify, merge, publish,
12distribute, and/or sell copies of the Software, and to permit persons
13to whom the Software is furnished to do so, provided that the above
14copyright notice(s) and this permission notice appear in all copies of
15the Software and that both the above copyright notice(s) and this
16permission notice appear in supporting documentation.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
21OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
23INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
24FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
25NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
26WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
27
28Except as contained in this notice, the name of a copyright holder
29shall not be used in advertising or otherwise to promote the sale, use
30or other dealings in this Software without prior written authorization
31of the copyright holder.
32
33************************************************************/
34
35#define NEED_EVENTS
36#define NEED_REPLIES
37#include <X11/Xlibint.h>
38#include <X11/extensions/Xevie.h>
39#include <X11/extensions/Xeviestr.h>
40#include <X11/extensions/Xext.h>
41#include <X11/extensions/extutil.h>
42
43static XExtensionInfo _xevie_info_data;
44static XExtensionInfo *xevie_info = &_xevie_info_data;
45static char *xevie_extension_name = XEVIENAME;
46static int major_opcode = 0;
47static long xevie_mask = 0;
48
49
50/*****************************************************************************
51 *                                                                           *
52 *			   private utility routines                          *
53 *                                                                           *
54 *****************************************************************************/
55
56static int close_display();
57static /* const */ XExtensionHooks xevie_extension_hooks = {
58    NULL,                               /* create_gc */
59    NULL,                               /* copy_gc */
60    NULL,                               /* flush_gc */
61    NULL,                               /* free_gc */
62    NULL,                               /* create_font */
63    NULL,                               /* free_font */
64    close_display,                      /* close_display */
65    NULL,                               /* wire_to_event */
66    NULL,                               /* event_to_wire */
67    NULL,                               /* error */
68    NULL,                               /* error_string */
69};
70
71static XEXT_GENERATE_FIND_DISPLAY (find_display, xevie_info,
72                                   xevie_extension_name,
73                                   &xevie_extension_hooks,
74                                   0, NULL)
75
76static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xevie_info)
77
78/*****************************************************************************
79 *                                                                           *
80 *		    public Xevie Extension routines                           *
81 *                                                                           *
82 *****************************************************************************/
83
84Status
85XevieQueryVersion(dpy, major_version_return, minor_version_return)
86    Display* dpy;
87    int* major_version_return;
88    int* minor_version_return;
89{
90    XExtDisplayInfo *info = find_display (dpy);
91    xXevieQueryVersionReply rep;
92    xXevieQueryVersionReq *req;
93
94    XextCheckExtension(dpy, info, xevie_extension_name, False);
95
96    major_opcode = info->codes->major_opcode;
97    LockDisplay(dpy);
98    GetReq(XevieQueryVersion, req);
99    req->reqType = major_opcode;
100    req->xevieReqType = X_XevieQueryVersion;
101    req->client_major_version = XEVIE_MAJOR_VERSION;
102    req->client_minor_version = XEVIE_MINOR_VERSION;
103    if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) {
104	UnlockDisplay(dpy);
105	SyncHandle();
106	return False;
107    }
108    *major_version_return = rep.server_major_version;
109    *minor_version_return = rep.server_minor_version;
110    UnlockDisplay(dpy);
111    SyncHandle();
112    return True;
113}
114
115/* Win32 reserves 20 colormap entries for its desktop */
116#ifndef TYP_RESERVED_ENTRIES
117#define TYP_RESERVED_ENTRIES 20
118#endif
119
120Status
121#if NeedFunctionPrototypes
122XevieStart(
123    Display* dpy)
124#else
125XevieStart(dpy)
126    Display* dpy;
127#endif
128{
129    XExtDisplayInfo *info = find_display (dpy);
130    xXevieStartReply rep;
131    xXevieStartReq *req;
132
133    XextCheckExtension(dpy, info, xevie_extension_name, False);
134
135    major_opcode = info->codes->major_opcode;
136    LockDisplay(dpy);
137    GetReq(XevieStart, req);
138    req->reqType = major_opcode;
139    req->xevieReqType = X_XevieStart;
140    if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
141    }
142    UnlockDisplay(dpy);
143    SyncHandle();
144    return(rep.pad1);
145}
146
147Status
148XevieEnd(dpy)
149    Display* dpy;
150{
151    XExtDisplayInfo *info = find_display (dpy);
152    xXevieEndReply rep;
153    xXevieEndReq *req;
154
155    XextCheckExtension (dpy, info, xevie_extension_name, False);
156
157    LockDisplay(dpy);
158    GetReq(XevieEnd, req);
159    req->reqType = info->codes->major_opcode;
160    req->xevieReqType = X_XevieEnd;
161
162    if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
163    }
164    UnlockDisplay(dpy);
165    SyncHandle();
166    return True;
167}
168
169Status
170XevieSendEvent(dpy, event, dataType)
171    Display* dpy;
172    XEvent*  event;
173    char     dataType;
174{
175    xXevieSendReply rep;
176    xXevieSendReq *req;
177
178    LockDisplay(dpy);
179    GetReq(XevieSend, req);
180    req->reqType = major_opcode;
181    req->xevieReqType = X_XevieSend;
182    req->dataType = dataType;
183    _XEventToWire(dpy, event, &req->event);
184    if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
185    }
186    UnlockDisplay(dpy);
187    SyncHandle();
188    return True;
189}
190
191Status
192XevieSelectInput(dpy, event_mask)
193    Display* dpy;
194    long     event_mask;
195{
196    xXevieSelectInputReply rep;
197    xXevieSelectInputReq *req;
198
199    LockDisplay(dpy);
200    GetReq(XevieSelectInput, req);
201    req->reqType = major_opcode;
202    req->xevieReqType = X_XevieSelectInput;
203    req->event_mask = event_mask;
204    xevie_mask = event_mask;
205    if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
206    }
207    UnlockDisplay(dpy);
208    SyncHandle();
209    return True;
210}
211
212