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
|
/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
static const char *getname(Window);
static void lsw(Window);
static Atom netwmname;
static Display *dpy;
int
main(int argc, char *argv[]) {
int i;
if(!(dpy = XOpenDisplay(NULL))) {
fprintf(stderr, "%s: cannot open display\n", argv[0]);
exit(EXIT_FAILURE);
}
netwmname = XInternAtom(dpy, "_NET_WM_NAME", False);
if(argc < 2)
lsw(DefaultRootWindow(dpy));
else for(i = 1; i < argc; i++)
lsw(strtol(argv[i], NULL, 0));
XCloseDisplay(dpy);
return EXIT_SUCCESS;
}
void
lsw(Window win) {
unsigned int n;
Window *wins, *w, dw;
XWindowAttributes wa;
if(!XQueryTree(dpy, win, &dw, &dw, &wins, &n))
return;
for(w = &wins[n-1]; w >= &wins[0]; w--)
if(XGetWindowAttributes(dpy, *w, &wa)
&& !wa.override_redirect && wa.map_state == IsViewable)
printf("0x%07lx %s\n", *w, getname(*w));
XFree(wins);
}
const char *
getname(Window win) {
static char buf[BUFSIZ];
char **list;
int n;
XTextProperty prop;
if(!XGetTextProperty(dpy, win, &prop, netwmname) || prop.nitems == 0)
if(!XGetWMName(dpy, win, &prop) || prop.nitems == 0)
return "";
if(!XmbTextPropertyToTextList(dpy, &prop, &list, &n) && n > 0) {
strncpy(buf, list[0], sizeof buf);
XFreeStringList(list);
} else
strncpy(buf, (char *)prop.value, sizeof buf);
XFree(prop.value);
buf[sizeof buf - 1] = '\0';
return buf;
}
|
