1 files changed, 17 insertions, 3 deletions

diff --git a/slock.c b/slock.c
index 824baa2..0c02d96 100644
--- a/slock.c
+++ b/slock.c
@@ -15,13 +15,15 @@
 int
 main(int argc, char **argv) {
         char buf[32], passwd[256];
-        int num, prev_nitem;
+        int num, prev_nitem, screen;
         struct spwd *sp;
         unsigned int i, len;
         Bool running = True;
         KeySym ksym;
         Display *dpy;
+        Window w;
         XEvent ev;
+        XSetWindowAttributes wa;
 
         if((argc > 1) && !strncmp(argv[1], "-v", 3)) {
                 fputs("slock-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
@@ -36,13 +38,23 @@ main(int argc, char **argv) {
                 fputs("slock: cannot open display\n", stderr);
                 exit(EXIT_FAILURE);
         }
+        screen = DefaultScreen(dpy);
 
         /* init */
         passwd[0] = 0;
-        while(XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
+        while(XGrabKeyboard(dpy, RootWindow(dpy, screen), True, GrabModeAsync,
                          GrabModeAsync, CurrentTime) != GrabSuccess)
                 usleep(1000);
 
+        wa.override_redirect = 1;
+        wa.background_pixel = BlackPixel(dpy, screen);
+        w = XCreateWindow(dpy, RootWindow(dpy, screen), 0, 0,
+                        DisplayWidth(dpy, screen), DisplayHeight(dpy, screen),
+                        0, DefaultDepth(dpy, screen), CopyFromParent,
+                        DefaultVisual(dpy, screen), CWOverrideRedirect | CWBackPixel, &wa);
+        XMapRaised(dpy, w);
+        XSync(dpy, False);
+
         /* main event loop */
         while(running && !XNextEvent(dpy, &ev))
                 if(ev.type == KeyPress) {
@@ -66,7 +78,8 @@ main(int argc, char **argv) {
                         }
                         switch(ksym) {
                         case XK_Return:
-                                running = strncmp(crypt(passwd, sp->sp_pwdp), sp->sp_pwdp, sizeof(passwd));
+                                if((running = strncmp(crypt(passwd, sp->sp_pwdp), sp->sp_pwdp, sizeof(passwd))))
+                                        XBell(dpy, 100);
                                 passwd[0] = 0;
                                 break;
                         case XK_Escape:
@@ -87,6 +100,7 @@ main(int argc, char **argv) {
                                 break;
                         }
                 }
+        XDestroyWindow(dpy, w);
         XCloseDisplay(dpy);
         return 0;
 }