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
|
/* communications.c -- Send commands to a running copy of ratpoison.
* Copyright (C) 2000, 2001 Shawn Betts
*
* This file is part of ratpoison.
*
* ratpoison is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* ratpoison is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*/
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/Xproto.h>
#include "ratpoison.h"
/* Sending commands to ratpoison */
static void
recieve_command_result (Window w)
{
Atom type_ret;
int format_ret;
unsigned long nitems;
unsigned long bytes_after;
unsigned char *result;
if (XGetWindowProperty (dpy, w, rp_command_result,
0, 0, False, XA_STRING,
&type_ret, &format_ret, &nitems, &bytes_after,
&result) == Success
&&
XGetWindowProperty (dpy, w, rp_command_result,
0, (bytes_after / 4) + (bytes_after % 4 ? 1 : 0),
True, XA_STRING, &type_ret, &format_ret, &nitems,
&bytes_after, &result) == Success)
{
if (result && strlen (result))
{
printf ("%s\n", result);
}
XFree (result);
}
}
int
send_command (unsigned char *cmd)
{
Window w;
int done = 0;
w = XCreateSimpleWindow (dpy, DefaultRootWindow (dpy),
0, 0, 1, 1, 0, 0, 0);
/* Select first to avoid race condition */
XSelectInput (dpy, w, PropertyChangeMask);
XChangeProperty (dpy, w, rp_command, XA_STRING,
8, PropModeReplace, cmd, strlen (cmd) + 1);
XChangeProperty (dpy, DefaultRootWindow (dpy),
rp_command_request, XA_WINDOW,
8, PropModeAppend, (unsigned char *)&w, sizeof (Window));
while (!done)
{
XEvent ev;
XMaskEvent (dpy, PropertyChangeMask, &ev);
if (ev.xproperty.atom == rp_command_result
&& ev.xproperty.state == PropertyNewValue)
{
recieve_command_result(ev.xproperty.window);
done = 1;
}
}
XDestroyWindow (dpy, w);
return 1;
}
|
