1 /* wxpaste.c- paste contents of cutbuffer to stdout
3 * Copyright (c) 1997 Alfredo K. Kojima
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "../src/config.h"
27 #include <X11/Xatom.h>
29 #include <sys/types.h>
30 #ifdef HAVE_SYS_SELECT_H
31 # include <sys/select.h>
35 #define MAXDATA (4*1024*1024)
42 "usage: %s [options]\n"
43 " -display display-name\n"
44 " -cutbuffer number\n"
45 " -selection [selection-name]\n"
51 getTimestamp(Display
*dpy
, Window win
)
55 /* So we do this trickery to get a time stamp:
57 * 1. Grab the server because we are paranoid and don't want to
58 * get in a race with another instance of wxpaste being ran at the
61 * 2. Set a dummy property in our window.
63 * 3. Get the PropertyNotify event and get it's timestamp.
65 * 4. Ungrab the server.
68 XSelectInput(dpy
, win
, PropertyChangeMask
);
70 /* Generate a PropertyNotify event */
71 XStoreName(dpy
, win
, "shit");
73 /* wait for the event */
76 if (ev
.type
== PropertyNotify
)
80 return ev
.xproperty
.time
;
85 fetchSelection(Display
*dpy
, char *selection
, char *progName
)
87 Atom selatom
= XInternAtom(dpy
, selection
, False
);
88 Atom clipatom
= XInternAtom(dpy
, "CLIPBOARD", False
);
93 struct timeval timeout
;
96 win
= XCreateSimpleWindow(dpy
, DefaultRootWindow(dpy
), 0, 0, 1, 1,
99 * The ICCCM says that we can't pass CurrentTime as the timestamp
100 * for XConvertSelection(), but we don't have anything to use as
103 now
= getTimestamp(dpy
, win
);
105 XConvertSelection(dpy
, selatom
, XA_STRING
, clipatom
, win
, now
);
110 /* wait for the convertion */
114 if (XPending(dpy
)==0) {
116 FD_SET(ConnectionNumber(dpy
), &fdset
);
117 res
= select(ConnectionNumber(dpy
)+1, &fdset
, NULL
, NULL
,
124 if (res
> 0 || XPending(dpy
) > 0) {
125 XNextEvent(dpy
, &ev
);
126 if (ev
.type
== SelectionNotify
&& ev
.xany
.window
== win
) {
133 /* if success, return the data */
137 unsigned long len
, bytes
;
140 if (XGetWindowProperty(dpy
, win
, clipatom
, 0, MAXDATA
/4, False
,
141 XA_STRING
, &rtype
, &bits
, &len
, &bytes
, &data
)!=0)
144 if ((rtype
!=XA_STRING
) || (bits
!=8)) {
155 main(int argc
, char **argv
)
162 char *display_name
="";
163 char *selection_name
=NULL
;
165 for (i
=1; i
<argc
; i
++) {
166 if (argv
[i
][0]=='-') {
167 if (argv
[i
][1]=='h') {
170 } else if (strcmp(argv
[i
],"-selection")==0) {
172 selection_name
= argv
[++i
];
174 selection_name
= "PRIMARY";
176 } else if (strcmp(argv
[i
],"-display")==0) {
178 display_name
= argv
[++i
];
183 } else if (strcmp(argv
[i
],"-cutbuffer")==0) {
186 if (sscanf(argv
[i
],"%i", &buffer
)!=1) {
187 fprintf(stderr
, "%s: could not convert \"%s\" to int\n",
191 if (buffer
<0 || buffer
> 7) {
192 fprintf(stderr
, "%s: invalid buffer number %i\n",
206 dpy
= XOpenDisplay(display_name
);
208 fprintf(stderr
, "%s: could not open display \"%s\"\n", argv
[0],
209 XDisplayName(display_name
));
213 if (selection_name
) {
214 buf
= fetchSelection(dpy
, selection_name
, argv
[0]);
220 buf
= XFetchBuffer(dpy
, &l
, buffer
);
226 if (write(STDIN_FILENO
, buf
, l
) == -1)