y
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@127 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Björn Groenvall
@@ -36,13 +36,23 @@ char STRING[] = "****************";
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#define when break;case
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#define otherwise break;default
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#define PROMPT "Password: "
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#define FAIL_MSG "Sorry, try again"
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#define LEFT 001
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#define RIGHT 002
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#define DOWN 004
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#define UP 010
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#define FRONT 020
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#define X_INCR 3
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#define Y_INCR 2
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XtAppContext app;
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Display *dpy;
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unsigned short Width, Height;
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Widget widget;
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GC gc;
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XtIntervalId timeout_id;
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char *ProgName, *words, *get_words();
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char *ProgName, *words;
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int x, y;
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Pixel Black, White;
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XFontStruct *font;
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@@ -50,12 +60,13 @@ struct passwd *pw;
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char root_pw[16];
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char *def_words = DEFAULT_TEXT;
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int time_left, prompt_x, prompt_y, time_x, time_y;
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void init_images(), countdown(), post_prompt_box();
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unsigned long interval, look();
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unsigned long interval;
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Pixmap left0, left1, right0, right1, left_front,
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right_front, front, down;
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int test;
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#define MAXLINES 40
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#define FROM_ARGV 1
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#define FROM_PROGRAM 2
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#define FROM_FILE 3
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@@ -66,8 +77,6 @@ int getwordsfrom = FROM_RESRC;
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#define GET_PASSWD 2
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int state; /* indicates states: walking or getting passwd */
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void ClearWindow(), GetPasswd(), Visibility(), move();
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struct _resrcs {
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Pixel fg, bg;
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XFontStruct *font;
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@@ -112,171 +121,49 @@ static XrmOptionDescRec options[] = {
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{ "-noar", "acceptRootPasswd", XrmoptionNoArg, "False" },
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};
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int
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main (argc, argv)
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int argc;
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char *argv[];
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static char *
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get_words(argv)
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char **argv;
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{
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register int i;
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int foo;
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Widget override;
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XGCValues gcvalues;
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char **list;
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FILE *pp;
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static char buf[BUFSIZ];
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register char *p = buf;
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if ((ProgName = rindex(*argv, '/')) != 0)
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ProgName++;
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if (getwordsfrom == FROM_RESRC)
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return Resrcs.text;
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if (getwordsfrom == FROM_PROGRAM) {
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if (!(pp = popen(Resrcs.text_prog, "r"))) {
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perror(Resrcs.text_prog);
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return def_words;
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}
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} else if (getwordsfrom == FROM_FILE)
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if (!(pp = fopen(Resrcs.file, "r"))) {
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perror(Resrcs.file);
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return def_words;
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}
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else if (getwordsfrom != FROM_PROGRAM && getwordsfrom != FROM_FILE)
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return def_words;
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buf[0] = 0;
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if (getwordsfrom == FROM_ARGV) {
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while (*argv) {
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p += strlen(strcpy(p, *argv));
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if (*++argv)
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strcpy(p++, " ");
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}
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return buf;
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}
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/* BUG Alert: does not check for overflow */
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while (fgets(p, sizeof buf, pp))
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p += strlen(p);
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if (getwordsfrom == FROM_PROGRAM)
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(void) pclose(pp);
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else
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ProgName = *argv;
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/* getpwuid() returns static pointer, so get root's passwd first */
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if (!(pw = getpwuid(0)))
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printf("%s: can't get root's passwd!\n", ProgName), exit(1);
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strcpy(root_pw, pw->pw_passwd);
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if (!(pw = getpwuid(getuid())))
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printf("%s: Intruder alert!\n", ProgName), exit(1);
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XtToolkitInitialize();
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app = XtCreateApplicationContext();
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dpy = XtOpenDisplay(app, NULL,
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"xnlock", "XNlock", options, XtNumber(options), &argc, argv);
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if (dpy == 0)
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{
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fprintf(stderr, "Error: Can't open display:\n");
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exit(1);
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}
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Width = DisplayWidth(dpy, DefaultScreen(dpy)) + 2;
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Height = DisplayHeight(dpy, DefaultScreen(dpy)) + 2;
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override = XtVaAppCreateShell("xnlock", "XNlock",
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overrideShellWidgetClass, dpy, XtNx, -1, XtNy, -1, NULL);
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XtGetApplicationResources(override, &Resrcs,
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resources, XtNumber(resources), NULL, 0);
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XtAddEventHandler(override, VisibilityChangeMask, FALSE, Visibility, NULL);
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widget = XtVaCreateManagedWidget("_foo", widgetClass, override,
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XtNwidth, Width,
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XtNheight, Height,
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NULL);
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init_words(--argc, ++argv);
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init_images();
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/* the background is black and the little guy is white */
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Black = Resrcs.do_reverse? Resrcs.fg : Resrcs.bg;
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White = Resrcs.do_reverse? Resrcs.bg : Resrcs.fg;
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gcvalues.foreground = Black;
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gcvalues.background = White;
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if (!(font = Resrcs.font)) {
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list = XListFonts(dpy, FONT_NAME, 32767, &foo);
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for (i = 0; i < foo; i++)
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if ((font = XLoadQueryFont(dpy, list[i])) != 0)
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break;
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if (!font)
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{
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list = XListFonts(dpy, "fixed", 1, &foo);
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font = XLoadQueryFont(dpy, list[0]);
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}
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if (!font)
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XtError("Can't find a font (so call me stupid).");
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XFreeFontNames(list);
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}
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gcvalues.font = font->fid;
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gcvalues.graphics_exposures = False;
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gc = XCreateGC(dpy, DefaultRootWindow(dpy),
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GCForeground | GCBackground | GCGraphicsExposures | GCFont,
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&gcvalues);
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x = Width / 2;
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y = Height / 2;
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srand (time(0));
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state = IS_MOVING;
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{
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static XtActionsRec actions[] = {
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{ "ClearWindow", ClearWindow },
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{ "GetPasswd", GetPasswd },
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};
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XtAppAddActions(app, actions, XtNumber(actions));
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XtOverrideTranslations(widget,
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XtParseTranslationTable(
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"<Expose>: ClearWindow() \n\
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<BtnDown>: GetPasswd() \n\
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<KeyPress>: GetPasswd()"));
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}
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XtRealizeWidget(override);
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#if 0
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XGrabServer(dpy);
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#else
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XGrabPointer(dpy, XtWindow(widget), TRUE, 0, GrabModeAsync,
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GrabModeAsync, XtWindow(widget), None, CurrentTime);
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XGrabKeyboard(dpy, XtWindow(widget), TRUE, GrabModeAsync,
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GrabModeAsync, CurrentTime);
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#endif
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ScreenSaver(1);
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XtAppMainLoop(app);
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exit(0);
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}
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static void
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leave()
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{
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#if 0
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XUngrabServer(dpy);
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#else
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XUngrabPointer(dpy, CurrentTime);
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XUngrabKeyboard(dpy, CurrentTime);
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#endif
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ScreenSaver(0);
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exit(0);
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}
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static void
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ScreenSaver(save)
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{
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static int timeout, interval, prefer_blank, allow_exp;
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if (save) {
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XGetScreenSaver(dpy, &timeout, &interval, &prefer_blank, &allow_exp);
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XSetScreenSaver(dpy, 0, interval, prefer_blank, allow_exp);
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} else
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/* restore state */
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XSetScreenSaver(dpy, timeout, interval, prefer_blank, allow_exp);
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}
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static void
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ClearWindow(w, event)
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Widget w;
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XExposeEvent *event;
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{
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if (!XtIsRealized(w))
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return;
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XSetForeground(dpy, gc, Black);
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XFillRectangle(dpy, XtWindow(w), gc,
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event->x, event->y, event->width, event->height);
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XSetForeground(dpy, gc, White);
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XSetBackground(dpy, gc, Black);
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if (state == GET_PASSWD)
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post_prompt_box(XtWindow(w));
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if (timeout_id == 0 && event->count == 0) {
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timeout_id = XtAppAddTimeOut(app, 1000L, move, NULL);
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/* first grab the input focus */
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XSetInputFocus(dpy, XtWindow(w), RevertToPointerRoot, CurrentTime);
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/* now grab the pointer and keyboard and contrain to this window */
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XGrabPointer(dpy, XtWindow(w), TRUE, 0, GrabModeAsync,
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GrabModeAsync, XtWindow(w), None, CurrentTime);
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}
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}
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static void
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Visibility(w, client_data, event)
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Widget w;
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XtPointer client_data;
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XVisibilityEvent *event;
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{
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XRaiseWindow(dpy, XtWindow(w));
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(void) fclose (pp);
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if (!buf[0])
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return def_words;
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return buf;
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}
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static void
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@@ -331,53 +218,271 @@ char *argv[];
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words = get_words(argv); /* if getwordsfrom != FROM_ARGV, argv is a nop */
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}
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static char *
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get_words(argv)
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char **argv;
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static void
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ScreenSaver(save)
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int save;
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{
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FILE *pp;
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static char buf[BUFSIZ];
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register char *p = buf;
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if (getwordsfrom == FROM_RESRC)
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return Resrcs.text;
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if (getwordsfrom == FROM_PROGRAM) {
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if (!(pp = popen(Resrcs.text_prog, "r"))) {
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perror(Resrcs.text_prog);
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return def_words;
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}
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} else if (getwordsfrom == FROM_FILE)
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if (!(pp = fopen(Resrcs.file, "r"))) {
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perror(Resrcs.file);
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return def_words;
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}
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else if (getwordsfrom != FROM_PROGRAM && getwordsfrom != FROM_FILE)
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return def_words;
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buf[0] = 0;
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if (getwordsfrom == FROM_ARGV) {
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while (*argv) {
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p += strlen(strcpy(p, *argv));
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if (*++argv)
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strcpy(p++, " ");
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}
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return buf;
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}
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/* BUG Alert: does not check for overflow */
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while (fgets(p, sizeof buf, pp))
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p += strlen(p);
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if (getwordsfrom == FROM_PROGRAM)
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(void) pclose(pp);
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else
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(void) fclose (pp);
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if (!buf[0])
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return def_words;
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return buf;
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static int timeout, interval, prefer_blank, allow_exp;
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if (save) {
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XGetScreenSaver(dpy, &timeout, &interval, &prefer_blank, &allow_exp);
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XSetScreenSaver(dpy, 0, interval, prefer_blank, allow_exp);
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} else
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/* restore state */
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XSetScreenSaver(dpy, timeout, interval, prefer_blank, allow_exp);
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}
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#define PROMPT "Password: "
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#define FAIL_MSG "Sorry, try again"
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/* XXX */
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static void talk(int force_erase);
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static unsigned long look();
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static void
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leave()
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{
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#if 0
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XUngrabServer(dpy);
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#else
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XUngrabPointer(dpy, CurrentTime);
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XUngrabKeyboard(dpy, CurrentTime);
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#endif
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ScreenSaver(0);
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exit(0);
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}
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static void
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walk(dir)
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register int dir;
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{
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register int incr = 0;
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static int lastdir;
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static int up = 1;
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static Pixmap frame;
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if (dir & (LEFT|RIGHT)) { /* left/right movement (mabye up/down too) */
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up = -up; /* bouncing effect (even if hit a wall) */
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if (dir & LEFT) {
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incr = X_INCR;
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frame = (up < 0) ? left0 : left1;
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} else {
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incr = -X_INCR;
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frame = (up < 0) ? right0 : right1;
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}
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if ((lastdir == FRONT || lastdir == DOWN) && dir & UP) {
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/* workaround silly bug that leaves screen dust when
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* guy is facing forward or down and moves up-left/right.
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*/
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XCopyPlane(dpy, frame, XtWindow(widget), gc, 0, 0, 64,64, x, y, 1L);
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XFlush(dpy);
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}
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/* note that maybe neither UP nor DOWN is set! */
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if (dir & UP && y > Y_INCR)
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y -= Y_INCR;
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else if (dir & DOWN && y < Height - 64)
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y += Y_INCR;
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}
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/* Explicit up/down movement only (no left/right) */
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else if (dir == UP)
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XCopyPlane(dpy, front, XtWindow(widget), gc,
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0,0, 64,64, x, y -= Y_INCR, 1L);
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else if (dir == DOWN)
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XCopyPlane(dpy, down, XtWindow(widget), gc,
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0,0, 64,64, x, y += Y_INCR, 1L);
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else if (dir == FRONT && frame != front) {
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if (up > 0)
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up = -up;
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if (lastdir & LEFT)
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frame = left_front;
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else if (lastdir & RIGHT)
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frame = right_front;
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else
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frame = front;
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XCopyPlane(dpy, frame, XtWindow(widget), gc, 0, 0, 64,64, x, y, 1L);
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}
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if (dir & LEFT)
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while(--incr >= 0) {
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XCopyPlane(dpy, frame, XtWindow(widget), gc,
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0,0, 64,64, --x, y+up, 1L);
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XFlush(dpy);
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}
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else if (dir & RIGHT)
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while(++incr <= 0) {
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XCopyPlane(dpy, frame, XtWindow(widget), gc,
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0,0, 64,64, ++x, y+up, 1L);
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XFlush(dpy);
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}
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lastdir = dir;
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}
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static int
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think()
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{
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if (rand() & 1)
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walk(FRONT);
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if (rand() & 1) {
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if (getwordsfrom > 1)
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words = get_words((char **)NULL);
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return 1;
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}
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return 0;
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}
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static void
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move()
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{
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static int length, dir;
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if (!length) {
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register int tries = 0;
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dir = 0;
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if ((rand() & 1) && think()) {
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talk(0); /* sets timeout to itself */
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return;
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}
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if (!(rand() % 3) && (interval = look())) {
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timeout_id = XtAppAddTimeOut(app, interval, move, NULL);
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return;
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}
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interval = 20 + rand() % 100;
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do {
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if (!tries)
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length = Width/100 + rand() % 90, tries = 8;
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else
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tries--;
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switch (rand() % 8) {
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case 0:
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if (x - X_INCR*length >= 5)
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dir = LEFT;
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case 1:
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if (x + X_INCR*length <= Width - 70)
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dir = RIGHT;
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case 2:
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if (y - (Y_INCR*length) >= 5)
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dir = UP, interval = 40;
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case 3:
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if (y + Y_INCR*length <= Height - 70)
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dir = DOWN, interval = 20;
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case 4:
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if (x - X_INCR*length >= 5 && y - (Y_INCR*length) >= 5)
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dir = (LEFT|UP);
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case 5:
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if (x + X_INCR * length <= Width - 70 &&
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y-Y_INCR * length >= 5)
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dir = (RIGHT|UP);
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||||
case 6:
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if (x - X_INCR * length >= 5 &&
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y + Y_INCR * length <= Height - 70)
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dir = (LEFT|DOWN);
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case 7:
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if (x + X_INCR*length <= Width - 70 &&
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y + Y_INCR*length <= Height - 70)
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dir = (RIGHT|DOWN);
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}
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} while (!dir);
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||||
}
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walk(dir);
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--length;
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timeout_id = XtAppAddTimeOut(app, interval, move, NULL);
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||||
}
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||||
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||||
static void
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||||
post_prompt_box(window)
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||||
Window window;
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||||
{
|
||||
char s[32];
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||||
int width = (Width / 3);
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||||
int height = font_height(font) * 6;
|
||||
int box_x, box_y;
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||||
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||||
/* make sure the entire nose icon fits in the box */
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||||
if (height < 100)
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||||
height = 100;
|
||||
|
||||
time_x = prompt_x = Width / 3;
|
||||
time_y = prompt_y = Height / 2;
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||||
box_x = prompt_x - 105;
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||||
box_y = prompt_y - 3 * font_height(font);
|
||||
|
||||
sprintf (s, "User: %s", pw->pw_name);
|
||||
/* erase current guy -- text message may still exist */
|
||||
XSetForeground(dpy, gc, Black);
|
||||
XFillRectangle(dpy, window, gc, x, y, 64, 64);
|
||||
talk(1); /* forcefully erase message if one is being displayed */
|
||||
/* Clear area in middle of screen for prompt box */
|
||||
XSetForeground(dpy, gc, White);
|
||||
XFillRectangle(dpy, window, gc, box_x, box_y, width, height);
|
||||
XSetForeground(dpy, gc, Black);
|
||||
|
||||
/* make a box that's 5 pixels thick. Then add a thin box inside it */
|
||||
XSetLineAttributes(dpy, gc, 5, 0, 0, 0);
|
||||
XDrawRectangle(dpy, window, gc, box_x+5, box_y+5, width-10, height-10);
|
||||
XSetLineAttributes(dpy, gc, 0, 0, 0, 0);
|
||||
XDrawRectangle(dpy, window, gc, box_x+12, box_y+12, width-23, height-23);
|
||||
|
||||
XDrawString(dpy, window, gc,
|
||||
prompt_x, prompt_y-font_height(font), s, strlen(s));
|
||||
XDrawString(dpy, window, gc, prompt_x, prompt_y, PROMPT, strlen(PROMPT));
|
||||
/* set background for copyplane and DrawImageString; need reverse video */
|
||||
XSetBackground(dpy, gc, White);
|
||||
XCopyPlane(dpy, right0, window, gc, 0,0, 64,64,
|
||||
box_x + 20, box_y + (height - 64)/2, 1L);
|
||||
prompt_x += XTextWidth(font, PROMPT, strlen(PROMPT));
|
||||
time_y += 2*font_height(font);
|
||||
}
|
||||
|
||||
static void
|
||||
ClearWindow(w, event)
|
||||
Widget w;
|
||||
XExposeEvent *event;
|
||||
{
|
||||
if (!XtIsRealized(w))
|
||||
return;
|
||||
XSetForeground(dpy, gc, Black);
|
||||
XFillRectangle(dpy, XtWindow(w), gc,
|
||||
event->x, event->y, event->width, event->height);
|
||||
XSetForeground(dpy, gc, White);
|
||||
XSetBackground(dpy, gc, Black);
|
||||
if (state == GET_PASSWD)
|
||||
post_prompt_box(XtWindow(w));
|
||||
if (timeout_id == 0 && event->count == 0) {
|
||||
timeout_id = XtAppAddTimeOut(app, 1000L, move, NULL);
|
||||
/* first grab the input focus */
|
||||
XSetInputFocus(dpy, XtWindow(w), RevertToPointerRoot, CurrentTime);
|
||||
/* now grab the pointer and keyboard and contrain to this window */
|
||||
XGrabPointer(dpy, XtWindow(w), TRUE, 0, GrabModeAsync,
|
||||
GrabModeAsync, XtWindow(w), None, CurrentTime);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
Visibility(w, client_data, event)
|
||||
Widget w;
|
||||
XtPointer client_data;
|
||||
XVisibilityEvent *event;
|
||||
{
|
||||
XRaiseWindow(dpy, XtWindow(w));
|
||||
}
|
||||
|
||||
static void
|
||||
countdown(timeout)
|
||||
int *timeout;
|
||||
{
|
||||
char buf[16];
|
||||
|
||||
if (--(*timeout) < 0) {
|
||||
XExposeEvent event;
|
||||
XtRemoveTimeOut(timeout_id);
|
||||
state = IS_MOVING;
|
||||
event.x = event.y = 0;
|
||||
event.width = Width, event.height = Height;
|
||||
ClearWindow(widget, &event);
|
||||
timeout_id = XtAppAddTimeOut(app, 200L, move, NULL);
|
||||
return;
|
||||
}
|
||||
sprintf(buf, "Time: %2d ", (*timeout)+1);
|
||||
XDrawImageString(dpy, XtWindow(widget), gc,
|
||||
time_x, time_y, buf, strlen(buf));
|
||||
XtAppAddTimeOut(app, 1000L, countdown, timeout);
|
||||
}
|
||||
|
||||
static void
|
||||
GetPasswd(w, event)
|
||||
@@ -478,73 +583,6 @@ XKeyEvent *event;
|
||||
prompt_y, " ", 11-cnt);
|
||||
}
|
||||
|
||||
static void
|
||||
post_prompt_box(window)
|
||||
Window window;
|
||||
{
|
||||
char s[32];
|
||||
int width = (Width / 3);
|
||||
int height = font_height(font) * 6;
|
||||
int box_x, box_y;
|
||||
|
||||
/* make sure the entire nose icon fits in the box */
|
||||
if (height < 100)
|
||||
height = 100;
|
||||
|
||||
time_x = prompt_x = Width / 3;
|
||||
time_y = prompt_y = Height / 2;
|
||||
box_x = prompt_x - 105;
|
||||
box_y = prompt_y - 3 * font_height(font);
|
||||
|
||||
sprintf (s, "User: %s", pw->pw_name);
|
||||
/* erase current guy -- text message may still exist */
|
||||
XSetForeground(dpy, gc, Black);
|
||||
XFillRectangle(dpy, window, gc, x, y, 64, 64);
|
||||
talk(1); /* forcefully erase message if one is being displayed */
|
||||
/* Clear area in middle of screen for prompt box */
|
||||
XSetForeground(dpy, gc, White);
|
||||
XFillRectangle(dpy, window, gc, box_x, box_y, width, height);
|
||||
XSetForeground(dpy, gc, Black);
|
||||
|
||||
/* make a box that's 5 pixels thick. Then add a thin box inside it */
|
||||
XSetLineAttributes(dpy, gc, 5, 0, 0, 0);
|
||||
XDrawRectangle(dpy, window, gc, box_x+5, box_y+5, width-10, height-10);
|
||||
XSetLineAttributes(dpy, gc, 0, 0, 0, 0);
|
||||
XDrawRectangle(dpy, window, gc, box_x+12, box_y+12, width-23, height-23);
|
||||
|
||||
XDrawString(dpy, window, gc,
|
||||
prompt_x, prompt_y-font_height(font), s, strlen(s));
|
||||
XDrawString(dpy, window, gc, prompt_x, prompt_y, PROMPT, strlen(PROMPT));
|
||||
/* set background for copyplane and DrawImageString; need reverse video */
|
||||
XSetBackground(dpy, gc, White);
|
||||
XCopyPlane(dpy, right0, window, gc, 0,0, 64,64,
|
||||
box_x + 20, box_y + (height - 64)/2, 1L);
|
||||
prompt_x += XTextWidth(font, PROMPT, strlen(PROMPT));
|
||||
time_y += 2*font_height(font);
|
||||
}
|
||||
|
||||
static void
|
||||
countdown(timeout)
|
||||
int *timeout;
|
||||
{
|
||||
char buf[16];
|
||||
|
||||
if (--(*timeout) < 0) {
|
||||
XExposeEvent event;
|
||||
XtRemoveTimeOut(timeout_id);
|
||||
state = IS_MOVING;
|
||||
event.x = event.y = 0;
|
||||
event.width = Width, event.height = Height;
|
||||
ClearWindow(widget, &event);
|
||||
timeout_id = XtAppAddTimeOut(app, 200L, move, NULL);
|
||||
return;
|
||||
}
|
||||
sprintf(buf, "Time: %2.d ", (*timeout)+1);
|
||||
XDrawImageString(dpy, XtWindow(widget), gc,
|
||||
time_x, time_y, buf, strlen(buf));
|
||||
XtAppAddTimeOut(app, 1000L, countdown, timeout);
|
||||
}
|
||||
|
||||
#include "nose.0.left"
|
||||
#include "nose.1.left"
|
||||
#include "nose.0.right"
|
||||
@@ -575,150 +613,6 @@ init_images()
|
||||
XtError("Can't load nose images");
|
||||
}
|
||||
|
||||
#define LEFT 001
|
||||
#define RIGHT 002
|
||||
#define DOWN 004
|
||||
#define UP 010
|
||||
#define FRONT 020
|
||||
#define X_INCR 3
|
||||
#define Y_INCR 2
|
||||
|
||||
static void
|
||||
move()
|
||||
{
|
||||
static int length, dir;
|
||||
|
||||
if (!length) {
|
||||
register int tries = 0;
|
||||
dir = 0;
|
||||
if ((rand() & 1) && think()) {
|
||||
talk(0); /* sets timeout to itself */
|
||||
return;
|
||||
}
|
||||
if (!(rand() % 3) && (interval = look())) {
|
||||
timeout_id = XtAppAddTimeOut(app, interval, move, NULL);
|
||||
return;
|
||||
}
|
||||
interval = 20 + rand() % 100;
|
||||
do {
|
||||
if (!tries)
|
||||
length = Width/100 + rand() % 90, tries = 8;
|
||||
else
|
||||
tries--;
|
||||
switch (rand() % 8) {
|
||||
case 0:
|
||||
if (x - X_INCR*length >= 5)
|
||||
dir = LEFT;
|
||||
case 1:
|
||||
if (x + X_INCR*length <= Width - 70)
|
||||
dir = RIGHT;
|
||||
case 2:
|
||||
if (y - (Y_INCR*length) >= 5)
|
||||
dir = UP, interval = 40;
|
||||
case 3:
|
||||
if (y + Y_INCR*length <= Height - 70)
|
||||
dir = DOWN, interval = 20;
|
||||
case 4:
|
||||
if (x - X_INCR*length >= 5 && y - (Y_INCR*length) >= 5)
|
||||
dir = (LEFT|UP);
|
||||
case 5:
|
||||
if (x + X_INCR * length <= Width - 70 &&
|
||||
y-Y_INCR * length >= 5)
|
||||
dir = (RIGHT|UP);
|
||||
case 6:
|
||||
if (x - X_INCR * length >= 5 &&
|
||||
y + Y_INCR * length <= Height - 70)
|
||||
dir = (LEFT|DOWN);
|
||||
case 7:
|
||||
if (x + X_INCR*length <= Width - 70 &&
|
||||
y + Y_INCR*length <= Height - 70)
|
||||
dir = (RIGHT|DOWN);
|
||||
}
|
||||
} while (!dir);
|
||||
}
|
||||
walk(dir);
|
||||
--length;
|
||||
timeout_id = XtAppAddTimeOut(app, interval, move, NULL);
|
||||
}
|
||||
|
||||
static void
|
||||
walk(dir)
|
||||
register int dir;
|
||||
{
|
||||
register int incr = 0;
|
||||
static int lastdir;
|
||||
static int up = 1;
|
||||
static Pixmap frame;
|
||||
|
||||
if (dir & (LEFT|RIGHT)) { /* left/right movement (mabye up/down too) */
|
||||
up = -up; /* bouncing effect (even if hit a wall) */
|
||||
if (dir & LEFT) {
|
||||
incr = X_INCR;
|
||||
frame = (up < 0) ? left0 : left1;
|
||||
} else {
|
||||
incr = -X_INCR;
|
||||
frame = (up < 0) ? right0 : right1;
|
||||
}
|
||||
if ((lastdir == FRONT || lastdir == DOWN) && dir & UP) {
|
||||
/* workaround silly bug that leaves screen dust when
|
||||
* guy is facing forward or down and moves up-left/right.
|
||||
*/
|
||||
XCopyPlane(dpy, frame, XtWindow(widget), gc, 0, 0, 64,64, x, y, 1L);
|
||||
XFlush(dpy);
|
||||
}
|
||||
/* note that maybe neither UP nor DOWN is set! */
|
||||
if (dir & UP && y > Y_INCR)
|
||||
y -= Y_INCR;
|
||||
else if (dir & DOWN && y < Height - 64)
|
||||
y += Y_INCR;
|
||||
}
|
||||
/* Explicit up/down movement only (no left/right) */
|
||||
else if (dir == UP)
|
||||
XCopyPlane(dpy, front, XtWindow(widget), gc,
|
||||
0,0, 64,64, x, y -= Y_INCR, 1L);
|
||||
else if (dir == DOWN)
|
||||
XCopyPlane(dpy, down, XtWindow(widget), gc,
|
||||
0,0, 64,64, x, y += Y_INCR, 1L);
|
||||
else if (dir == FRONT && frame != front) {
|
||||
if (up > 0)
|
||||
up = -up;
|
||||
if (lastdir & LEFT)
|
||||
frame = left_front;
|
||||
else if (lastdir & RIGHT)
|
||||
frame = right_front;
|
||||
else
|
||||
frame = front;
|
||||
XCopyPlane(dpy, frame, XtWindow(widget), gc, 0, 0, 64,64, x, y, 1L);
|
||||
}
|
||||
if (dir & LEFT)
|
||||
while(--incr >= 0) {
|
||||
XCopyPlane(dpy, frame, XtWindow(widget), gc,
|
||||
0,0, 64,64, --x, y+up, 1L);
|
||||
XFlush(dpy);
|
||||
}
|
||||
else if (dir & RIGHT)
|
||||
while(++incr <= 0) {
|
||||
XCopyPlane(dpy, frame, XtWindow(widget), gc,
|
||||
0,0, 64,64, ++x, y+up, 1L);
|
||||
XFlush(dpy);
|
||||
}
|
||||
lastdir = dir;
|
||||
}
|
||||
|
||||
static int
|
||||
think()
|
||||
{
|
||||
if (rand() & 1)
|
||||
walk(FRONT);
|
||||
if (rand() & 1) {
|
||||
if (getwordsfrom > 1)
|
||||
words = get_words((char **)NULL);
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define MAXLINES 40
|
||||
static void
|
||||
talk(force_erase)
|
||||
int force_erase;
|
||||
@@ -858,3 +752,112 @@ look()
|
||||
0, 0, 64,64, x, y, 1L);
|
||||
return 1000L;
|
||||
}
|
||||
|
||||
int
|
||||
main (argc, argv)
|
||||
int argc;
|
||||
char *argv[];
|
||||
{
|
||||
register int i;
|
||||
int foo;
|
||||
Widget override;
|
||||
XGCValues gcvalues;
|
||||
char **list;
|
||||
|
||||
if ((ProgName = rindex(*argv, '/')) != 0)
|
||||
ProgName++;
|
||||
else
|
||||
ProgName = *argv;
|
||||
|
||||
/* getpwuid() returns static pointer, so get root's passwd first */
|
||||
if (!(pw = getpwuid(0)))
|
||||
printf("%s: can't get root's passwd!\n", ProgName), exit(1);
|
||||
strcpy(root_pw, pw->pw_passwd);
|
||||
if (!(pw = getpwuid(getuid())))
|
||||
printf("%s: Intruder alert!\n", ProgName), exit(1);
|
||||
|
||||
XtToolkitInitialize();
|
||||
app = XtCreateApplicationContext();
|
||||
dpy = XtOpenDisplay(app, NULL,
|
||||
"xnlock", "XNlock", options, XtNumber(options), &argc, argv);
|
||||
|
||||
if (dpy == 0)
|
||||
{
|
||||
fprintf(stderr, "Error: Can't open display:\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
Width = DisplayWidth(dpy, DefaultScreen(dpy)) + 2;
|
||||
Height = DisplayHeight(dpy, DefaultScreen(dpy)) + 2;
|
||||
override = XtVaAppCreateShell("xnlock", "XNlock",
|
||||
overrideShellWidgetClass, dpy, XtNx, -1, XtNy, -1, NULL);
|
||||
XtGetApplicationResources(override, &Resrcs,
|
||||
resources, XtNumber(resources), NULL, 0);
|
||||
|
||||
XtAddEventHandler(override, VisibilityChangeMask, FALSE, Visibility, NULL);
|
||||
|
||||
widget = XtVaCreateManagedWidget("_foo", widgetClass, override,
|
||||
XtNwidth, Width,
|
||||
XtNheight, Height,
|
||||
NULL);
|
||||
|
||||
init_words(--argc, ++argv);
|
||||
init_images();
|
||||
|
||||
/* the background is black and the little guy is white */
|
||||
Black = Resrcs.do_reverse? Resrcs.fg : Resrcs.bg;
|
||||
White = Resrcs.do_reverse? Resrcs.bg : Resrcs.fg;
|
||||
gcvalues.foreground = Black;
|
||||
gcvalues.background = White;
|
||||
|
||||
if (!(font = Resrcs.font)) {
|
||||
list = XListFonts(dpy, FONT_NAME, 32767, &foo);
|
||||
for (i = 0; i < foo; i++)
|
||||
if ((font = XLoadQueryFont(dpy, list[i])) != 0)
|
||||
break;
|
||||
if (!font)
|
||||
{
|
||||
list = XListFonts(dpy, "fixed", 1, &foo);
|
||||
font = XLoadQueryFont(dpy, list[0]);
|
||||
}
|
||||
if (!font)
|
||||
XtError("Can't find a font (so call me stupid).");
|
||||
XFreeFontNames(list);
|
||||
}
|
||||
gcvalues.font = font->fid;
|
||||
gcvalues.graphics_exposures = False;
|
||||
gc = XCreateGC(dpy, DefaultRootWindow(dpy),
|
||||
GCForeground | GCBackground | GCGraphicsExposures | GCFont,
|
||||
&gcvalues);
|
||||
|
||||
x = Width / 2;
|
||||
y = Height / 2;
|
||||
srand (time(0));
|
||||
state = IS_MOVING;
|
||||
|
||||
{
|
||||
static XtActionsRec actions[] = {
|
||||
{ "ClearWindow", ClearWindow },
|
||||
{ "GetPasswd", GetPasswd },
|
||||
};
|
||||
XtAppAddActions(app, actions, XtNumber(actions));
|
||||
XtOverrideTranslations(widget,
|
||||
XtParseTranslationTable(
|
||||
"<Expose>: ClearWindow() \n\
|
||||
<BtnDown>: GetPasswd() \n\
|
||||
<KeyPress>: GetPasswd()"));
|
||||
}
|
||||
|
||||
XtRealizeWidget(override);
|
||||
#if 0
|
||||
XGrabServer(dpy);
|
||||
#else
|
||||
XGrabPointer(dpy, XtWindow(widget), TRUE, 0, GrabModeAsync,
|
||||
GrabModeAsync, XtWindow(widget), None, CurrentTime);
|
||||
XGrabKeyboard(dpy, XtWindow(widget), TRUE, GrabModeAsync,
|
||||
GrabModeAsync, CurrentTime);
|
||||
#endif
|
||||
ScreenSaver(1);
|
||||
XtAppMainLoop(app);
|
||||
exit(0);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user