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
|
// fluxbox-remote.cc
// Copyright (c) 2007 Fluxbox Team (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
bool g_gotError = false;
static int HandleIPCError(Display *disp, XErrorEvent*ptr)
{
// ptr->error_code contains the actual error flags
g_gotError = true;
return( 0 );
}
typedef int (*xerror_cb_t)(Display*,XErrorEvent*);
int main(int argc, char **argv) {
int rc;
Display* disp;
Window root;
Atom atom_fbcmd;
Atom atom_result;
xerror_cb_t error_cb;
char* cmd;
if (argc <= 1) {
printf("fluxbox-remote <fluxbox-command>\n");
return EXIT_SUCCESS;
}
disp = XOpenDisplay(NULL);
if (!disp) {
perror("error, can't open display.");
rc = EXIT_FAILURE;
return rc;
}
cmd = argv[1];
atom_fbcmd = XInternAtom(disp, "_FLUXBOX_ACTION", False);
atom_result = XInternAtom(disp, "_FLUXBOX_ACTION_RESULT", False);
root = DefaultRootWindow(disp);
// assign the custom handler, clear the flag, sync the data,
// then check it for success/failure
error_cb = XSetErrorHandler(HandleIPCError);
if (strcmp(cmd, "result") == 0) {
XTextProperty text_prop;
if (XGetTextProperty(disp, root, &text_prop, atom_result) != 0
&& text_prop.value != 0
&& text_prop.nitems > 0) {
printf("%s", text_prop.value);
XFree(text_prop.value);
}
} else {
XChangeProperty(disp, root, atom_fbcmd,
XA_STRING, 8, PropModeReplace,
(unsigned char *)cmd, strlen(cmd));
XSync(disp, false);
}
rc = (g_gotError ? EXIT_FAILURE : EXIT_SUCCESS);
XSetErrorHandler(error_cb);
XCloseDisplay(disp);
return rc;
}
|
