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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <X11/Xlib.h>
#include <X11/extensions/scrnsaver.h>
/* Report amount of X server idle time. */
/* gcc xidle.c -o xidle -lX11 -lXext -lXss */
int main(int argc, char *argv[])
{
Display *display;
int event_base, error_base;
XScreenSaverInfo info;
float seconds;
unsigned int d_seconds = 0;
if (argc == 2) {
d_seconds = atoi(argv[1]);
}
display = XOpenDisplay("");
if (!display)
return -1;
if (XScreenSaverQueryExtension(display, &event_base, &error_base) == true) {
if (XScreenSaverQueryInfo(display, DefaultRootWindow(display), &info) != true) {
fprintf(stderr, "Error: XScreenSaver QueryInfo failed\n");
return -1;
}
seconds = (float)info.idle/1000.0f;
if ( d_seconds > 0 ) {
if (d_seconds <= (unsigned int) seconds) {
return 1;
}
} else {
printf("%f\n",seconds);
}
return 0;
} else {
fprintf(stderr,"Error: XScreenSaver Extension not present\n");
return -1;
}
}
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