X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=slock.c;h=7aace901ac2edde16403332714261370db925bb8;hb=48a7ab2225d1e53a8e0fd73bca975bb7695d1b06;hp=aafc7c0a765bfb3504e4908c931fb9cff9adbb47;hpb=e5216380276932d7cd5576bac0ee9255b58d2e17;p=slock.git

diff --git a/slock.c b/slock.c
index aafc7c0..7aace90 100644
--- a/slock.c
+++ b/slock.c
@@ -1,4 +1,4 @@
-/* (C)opyright MMIV-MMV Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
 #define _XOPEN_SOURCE 500
@@ -58,7 +58,7 @@ main(int argc, char **argv) {
 	Display *dpy;
 	KeySym ksym;
 	Pixmap pmap;
-	Window w;
+	Window root, w;
 	XColor black, dummy;
 	XEvent ev;
 	XSetWindowAttributes wa;
@@ -73,29 +73,35 @@ main(int argc, char **argv) {
 		exit(EXIT_FAILURE);
 	}
 	screen = DefaultScreen(dpy);
+	root = RootWindow(dpy, screen);
 
 	/* init */
 	wa.override_redirect = 1;
 	wa.background_pixel = BlackPixel(dpy, screen);
-	w = XCreateWindow(dpy, RootWindow(dpy, screen), 0, 0,
-			DisplayWidth(dpy, screen), DisplayHeight(dpy, screen),
+	w = XCreateWindow(dpy, root, 0, 0, DisplayWidth(dpy, screen), DisplayHeight(dpy, screen),
 			0, DefaultDepth(dpy, screen), CopyFromParent,
 			DefaultVisual(dpy, screen), CWOverrideRedirect | CWBackPixel, &wa);
-
 	XAllocNamedColor(dpy, DefaultColormap(dpy, screen), "black", &black, &dummy);
 	pmap = XCreateBitmapFromData(dpy, w, curs, 8, 8);
 	invisible = XCreatePixmapCursor(dpy, pmap, pmap, &black, &black, 0, 0);
 	XDefineCursor(dpy, w, invisible);
-	running = XGrabPointer(dpy, RootWindow(dpy, screen), False,
-			ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
-			GrabModeAsync, GrabModeSync, None, invisible, CurrentTime) == GrabSuccess;
-	len = 10;
-	for(len = 10; len && (XGrabKeyboard(dpy, RootWindow(dpy, screen), True, GrabModeAsync,
-		GrabModeAsync, CurrentTime) != GrabSuccess); len--)
+	XMapRaised(dpy, w);
+	for(len = 1000; len; len--) {
+		if(XGrabPointer(dpy, root, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
+			GrabModeAsync, GrabModeSync, None, invisible, CurrentTime) == GrabSuccess)
+			break;
 		usleep(1000);
-	running = running && (len > 0);
+	}
+	if((running = running && (len > 0))) {
+		for(len = 1000; len; len--) {
+			if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
+				== GrabSuccess)
+				break;
+			usleep(1000);
+		}
+		running = (len > 0);
+	}
 	len = 0;
-	XMapRaised(dpy, w);
 	XSync(dpy, False);
 
 	/* main event loop */
@@ -122,7 +128,7 @@ main(int argc, char **argv) {
 					--len;
 				break;
 			default:
-				if(num && !iscntrl((int) buf[0])) {
+				if(num && !iscntrl((int) buf[0]) && (len + num < sizeof passwd)) { 
 					memcpy(passwd + len, buf, num);
 					len += num;
 				}