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/*
* $Id$
*
* Compile with
* gcc -L/usr/X11R6/lib -lX11 urgent.c -o urgent
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
typedef long (*FLAGMANIP) (long);
static long set_urgency(long flags)
{
return flags | XUrgencyHint;
}
static long clear_urgency(long flags)
{
return flags & ~XUrgencyHint;
}
static long toggle_urgency(long flags)
{
if ((flags & XUrgencyHint) == 0) {
return set_urgency(flags);
} else {
return clear_urgency(flags);
}
}
static int apply(Display *dpy, Window id, FLAGMANIP f)
{
XWMHints *hints = XGetWMHints(dpy, id);
if (hints == NULL)
return 0;
hints->flags = f(hints->flags);
return (XSetWMHints(dpy, id, hints) != 0);
}
int main(int argc, char *argv[])
{
const char helpstr[] = "Usage: urgent {-set|-clear|-toggle} XWINID\n";
Display *dpy;
Window id;
FLAGMANIP action;
if (argc == 2 && strcmp(argv[1], "-help") == 0) {
printf("Sets, clears or toggles the \"urgency\" flag "
"for a specified X window using its WM_HINTS property\n");
printf(helpstr);
return EXIT_SUCCESS;
}
if (argc != 3) {
fprintf(stderr, "Wrong number of agruments\n");
fprintf(stderr, helpstr);
return EXIT_FAILURE;
}
if (strcmp(argv[1], "-set") == 0) {
action = set_urgency;
} else if (strcmp(argv[1], "-clear") == 0) {
action = clear_urgency;
} else if (strcmp(argv[1], "-toggle") == 0) {
action = toggle_urgency;
} else {
fprintf(stderr, "Invalid action \"%s\", "
"must be one of -set, -clear or -toggle\n", argv[1]);
return EXIT_FAILURE;
}
errno = 0;
id = strtol(argv[2], NULL, 16);
if (errno != 0) {
fprintf(stderr, "Invalid X window id \"%s\", "
"must be a hexadecimal integer\n", argv[2]);
return EXIT_FAILURE;
}
dpy = XOpenDisplay(NULL);
if (dpy == NULL) {
fprintf(stderr, "Unable to open display.");
return EXIT_FAILURE;
}
apply(dpy, id, action);
XFlush(dpy);
XCloseDisplay(dpy);
return EXIT_SUCCESS;
}
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