Fixed a potential overwrite bug. Also works with more than one screen,
only fancy stuff on screen 0, though. git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@410 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Unknown User d91-jda
@@ -40,11 +40,6 @@ char STRING[] = "****************";
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#define MAX_PASSWD_LENGTH (sizeof(STRING))
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/* The program should be something that outputs a small amount of text */
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#define DEFAULT_PROGRAM "fortune -s"
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#define DEFAULT_TEXT "I'm out running around."
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#define FONT_NAME "-*-new century schoolbook-*-*-*-18-*"
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#ifndef MAXPATHLEN
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#define MAXPATHLEN BUFSIZ
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#endif /* MAXPATHLEN */
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@@ -73,7 +68,6 @@ Pixel Black, White;
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XFontStruct *font;
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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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unsigned long interval;
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Pixmap left0, left1, right0, right1, left_front,
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@@ -82,12 +76,6 @@ 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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#define FROM_RESRC 4
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int getwordsfrom = FROM_RESRC;
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#define IS_MOVING 1
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#define GET_PASSWD 2
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int state; /* indicates states: walking or getting passwd */
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@@ -96,154 +84,154 @@ int ALLOW_LOGOUT = (60*10); /* Allow logout after nn seconds */
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char LOGOUT_PASSWD[] = "LOGOUT"; /* when given password "xx" */
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time_t locked_at;
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struct _resrcs {
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Pixel fg, bg;
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struct appres_t {
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XFontStruct *font;
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Boolean ignore_passwd;
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Boolean do_reverse;
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Boolean accept_root;
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char *text, *text_prog, *file;
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} Resrcs;
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Boolean no_screensaver;
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} appres;
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static XtResource resources[] = {
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{ XtNfont, XtCFont, XtRFontStruct, sizeof (XFontStruct *),
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XtOffsetOf(struct _resrcs,font), XtRImmediate, NULL },
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{ XtNforeground, XtCForeground, XtRPixel, sizeof (Pixel),
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/* note: the background is really the foreground color */
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XtOffsetOf(struct _resrcs,fg), XtRString, XtDefaultBackground },
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{ XtNbackground, XtCBackground, XtRPixel, sizeof (Pixel),
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/* note: the foreground is really the background color */
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XtOffsetOf(struct _resrcs,bg), XtRString, XtDefaultForeground },
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{ XtNreverseVideo, XtCReverseVideo, XtRBoolean, sizeof(Boolean),
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XtOffsetOf(struct _resrcs,do_reverse), XtRImmediate, (char *)False },
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XtOffsetOf(struct appres_t, font), XtRImmediate, NULL },
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{ "ignorePasswd", "IgnorePasswd", XtRBoolean, sizeof(Boolean),
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XtOffsetOf(struct _resrcs,ignore_passwd), XtRImmediate, (char *)False },
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XtOffsetOf(struct appres_t,ignore_passwd),XtRImmediate,(XtPointer)False },
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{ "acceptRootPasswd", "AcceptRootPasswd", XtRBoolean, sizeof(Boolean),
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XtOffsetOf(struct _resrcs,accept_root), XtRImmediate, (char *)True },
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{ "text", "Text", XtRString, sizeof(char *),
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XtOffsetOf(struct _resrcs,text), XtRImmediate, DEFAULT_TEXT },
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{ "program", "Program", XtRString, sizeof(char *),
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XtOffsetOf(struct _resrcs,text_prog), XtRImmediate, DEFAULT_PROGRAM },
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{ "file", "File", XtRString, sizeof(char *),
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XtOffsetOf(struct _resrcs,file), XtRImmediate, NULL },
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XtOffsetOf(struct appres_t, accept_root), XtRImmediate, (XtPointer)True },
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{ "text", "Text", XtRString, sizeof(String),
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XtOffsetOf(struct appres_t, text), XtRImmediate, NULL },
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{ "program", "Program", XtRString, sizeof(String),
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XtOffsetOf(struct appres_t, text_prog), XtRImmediate, NULL },
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{ "file", "File", XtRString, sizeof(String),
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XtOffsetOf(struct appres_t,file), XtRImmediate, NULL },
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{ "noScreenSaver", "NoScreenSaver", XtRBoolean, sizeof(Boolean),
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XtOffsetOf(struct appres_t,no_screensaver), XtRImmediate, (XtPointer)False },
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};
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String fallback[]={
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"*font : -*-new century schoolbook-*-*-*-18-*",
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"*background : black",
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"*foreground : white",
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"*text : I'm out running around.",
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0
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};
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Widget *xshell, *xcore;
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static XrmOptionDescRec options[] = {
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{ "-fn", "font", XrmoptionSepArg, NULL },
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{ "-fg", "foreground", XrmoptionSepArg, NULL },
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{ "-bg", "background", XrmoptionSepArg, NULL },
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{ "-rv", "reverseVideo", XrmoptionNoArg, "True" },
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{ "-norv", "reverseVideo", XrmoptionNoArg, "False" },
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{ "-ip", "ignorePasswd", XrmoptionNoArg, "True" },
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{ "-noip", "ignorePasswd", XrmoptionNoArg, "False" },
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{ "-ar", "acceptRootPasswd", XrmoptionNoArg, "True" },
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{ "-noar", "acceptRootPasswd", XrmoptionNoArg, "False" },
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{ "-ip", ".ignorePasswd", XrmoptionNoArg, "True" },
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{ "-noip", ".ignorePasswd", XrmoptionNoArg, "False" },
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{ "-ar", ".acceptRootPasswd", XrmoptionNoArg, "True" },
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{ "-noar", ".acceptRootPasswd", XrmoptionNoArg, "False" },
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{ "-noscreensaver", ".noScreenSaver", XrmoptionNoArg, "True" },
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};
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static char *
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get_words(char **argv)
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static char*
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get_words(void)
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{
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FILE *pp = 0;
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FILE *pp = NULL;
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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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if(appres.text_prog){
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pp = popen(appres.text_prog, "r");
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if(!pp){
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perror(appres.text_prog);
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return appres.text;
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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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fread(buf, BUFSIZ, 1, pp);
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pclose(pp);
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return buf;
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}
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if(appres.file){
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pp = fopen(appres.file, "r");
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if(!pp){
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perror(appres.file);
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return appres.text;
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}
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fread(buf, BUFSIZ, 1, pp);
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fclose(pp);
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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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return appres.text;
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}
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void usage(void)
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{
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fprintf(stderr, "usage: %s [options] [message]\n", ProgName);
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fprintf(stderr, "-fg color foreground color\n");
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fprintf(stderr, "-bg color background color\n");
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fprintf(stderr, "-rv reverse foreground/background colors\n");
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fprintf(stderr, "-nrv no reverse video\n");
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fprintf(stderr, "-ip ignore passwd\n");
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fprintf(stderr, "-nip don't ignore passwd\n");
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fprintf(stderr, "-ar accept root's passwd to unlock\n");
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fprintf(stderr, "-nar don't accept root's passwd\n");
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fprintf(stderr, "-f [file] message is read from file or ~/.msgfile\n");
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fprintf(stderr, "-prog program text is gotten from executing `program'\n");
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exit(1);
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}
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static void
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init_words (int argc, char **argv)
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{
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int c;
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char buf[BUFSIZ];
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int i = 0;
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while (*argv && **argv == '-') {
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switch(argv[0][1]) {
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case 'p':
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getwordsfrom = FROM_PROGRAM;
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if (!*++argv)
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puts("specify a program name to get text from!"), exit(1);
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Resrcs.text_prog = *argv;
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case 'f':
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getwordsfrom = FROM_FILE;
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if (argv[1])
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Resrcs.file = *++argv;
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else {
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sprintf(buf, "%s/.msgfile", pw->pw_dir);
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Resrcs.file = strcpy(XtMalloc(strlen(buf)+1), buf);
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}
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default :
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printf("usage: %s [options] [message]\n", ProgName);
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puts("-fg color foreground color");
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puts("-bg color background color");
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puts("-rv reverse foreground/background colors");
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puts("-nrv no reverse video");
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puts("-ip ignore passwd");
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puts("-nip don't ignore passwd");
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puts("-ar accept root's passwd to unlock");
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puts("-nar don't accept root's passwd");
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puts("-f [file] message is read from file or ~/.msgfile");
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puts("-prog program text is gotten from executing `program'");
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exit(1);
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while(argv[i]){
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if(strcmp(argv[i], "-p") == 0){
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i++;
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if(argv[i]){
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appres.text_prog = argv[i];
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i++;
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}else{
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fprintf(stderr, "-p requires an argument\n");
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usage();
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}
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}else if(strcmp(argv[i], "-f") == 0){
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i++;
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if(argv[i]){
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appres.file = argv[i];
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i++;
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}else{
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sprintf(buf, "%s/.msgfile", getenv("HOME"));
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appres.file = strdup(buf);
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}
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}else{
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strcpy(buf, "");
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while(argv[i]){
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strcat(buf, argv[i]);
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strcat(buf, " ");
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i++;
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}
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appres.text = strdup(buf);
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}
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argv++;
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}
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if (*argv) {
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if (getwordsfrom != FROM_RESRC)
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puts("I don't know what text you want displayed.");
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getwordsfrom = FROM_ARGV;
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} else if (!getwordsfrom)
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if (Resrcs.text)
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getwordsfrom = FROM_RESRC;
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else if (Resrcs.file)
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getwordsfrom = FROM_FILE;
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else
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getwordsfrom = FROM_PROGRAM;
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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 void
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ScreenSaver(int 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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if(!appres.no_screensaver){
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if (save) {
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XGetScreenSaver(dpy, &timeout, &interval,
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&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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}
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/* Forward decls necessary */
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@@ -275,12 +263,8 @@ zrefresh()
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static void
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leave(void)
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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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zrefresh();
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exit(0);
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@@ -355,8 +339,7 @@ think(void)
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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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words = get_words();
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return 1;
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}
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return 0;
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@@ -484,11 +467,6 @@ ClearWindow(Widget w, XEvent *_event, String *_s, Cardinal *_n)
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XExposeEvent *event = (XExposeEvent *)_event;
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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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@@ -505,7 +483,7 @@ static void
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countdown(XtPointer _t, XtIntervalId *_d)
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{
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int *timeout = (int *)_t;
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char buf[16];
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char buf[128];
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time_t seconds;
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if (--(*timeout) < 0) {
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@@ -550,7 +528,7 @@ GetPasswd(Widget w, XEvent *_event, String *_s, Cardinal *_n)
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/* guy is running around--change to post prompt box. */
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XtRemoveTimeOut(timeout_id);
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state = GET_PASSWD;
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if (Resrcs.ignore_passwd || !strlen(pw->pw_passwd))
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if (appres.ignore_passwd || !strlen(pw->pw_passwd))
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leave();
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post_prompt_box(XtWindow(w));
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cnt = 0;
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@@ -579,7 +557,7 @@ GetPasswd(Widget w, XEvent *_event, String *_s, Cardinal *_n)
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/*
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* First try with root password, if allowed.
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*/
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if (Resrcs.accept_root &&
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if (appres.accept_root &&
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(root_pw[0] == 0 && cnt == 0 ||
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cnt && root_pw[0] && !strcmp(crypt(passwd, root_pw), root_pw)))
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leave();
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@@ -689,7 +667,7 @@ init_images(void)
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for (i = 0; i < XtNumber(images); i++)
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if (!(*images[i] =
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XCreatePixmapFromBitmapData(dpy, DefaultRootWindow(dpy),
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bits[i], 64, 64, 1, 0, 1)))
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(char*)(bits[i]), 64, 64, 1, 0, 1)))
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XtError("Can't load nose images");
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}
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@@ -713,7 +691,7 @@ talk(int force_erase)
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} else if (talking == 1) {
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XSetForeground(dpy, gc, Black);
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XFillRectangle(dpy, XtWindow(widget), gc, s_rect.x-5, s_rect.y-5,
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s_rect.width+10, s_rect.height+10);
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s_rect.width+10, s_rect.height+10);
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XSetForeground(dpy, gc, White);
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}
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talking = 0;
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@@ -730,7 +708,7 @@ talk(int force_erase)
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/* possibly avoid a lot of work here
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* if no CR or only one, then just print the line
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*/
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if (!(p2 = index(p, '\n')) || !p2[1]) {
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if (!(p2 = strchr(p, '\n')) || !p2[1]) {
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register int w;
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if (p2)
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@@ -765,7 +743,7 @@ talk(int force_erase)
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break;
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}
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p = p2+1;
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if (!(p2 = index(p, '\n')))
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if (!(p2 = strchr(p, '\n')))
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break;
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}
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height++;
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@@ -843,13 +821,15 @@ main (int argc, char **argv)
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XGCValues gcvalues;
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char **list;
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int nscr;
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srand(getpid());
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for (i = 0; i < (sizeof(STRING)-2); i++)
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STRING[i] = ((unsigned long)rand() % ('~' - ' ')) + ' ';
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locked_at = time(0);
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if ((ProgName = rindex(*argv, '/')) != 0)
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if ((ProgName = strrchr(*argv, '/')) != 0)
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ProgName++;
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else
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ProgName = *argv;
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@@ -891,11 +871,17 @@ main (int argc, char **argv)
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}
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}
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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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override = XtVaAppInitialize(&app, "XNlock", options, XtNumber(options),
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&argc, argv, fallback,
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XtNoverrideRedirect, True,
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NULL);
|
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XtVaGetApplicationResources(override,(XtPointer)&appres,
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resources,XtNumber(resources),
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NULL);
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dpy = XtDisplay(override);
|
||||
|
||||
if (dpy == 0)
|
||||
{
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||||
fprintf(stderr, "Error: Can't open display:\n");
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||||
@@ -904,43 +890,50 @@ main (int argc, char **argv)
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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);
|
||||
|
||||
nscr = ScreenCount(dpy) - 1;
|
||||
|
||||
if(nscr > 0){
|
||||
xshell = (Widget*)malloc(nscr*sizeof(Widget));
|
||||
xcore = (Widget*)malloc(nscr*sizeof(Widget));
|
||||
}
|
||||
|
||||
XtGetApplicationResources(override, &Resrcs,
|
||||
resources, XtNumber(resources), NULL, 0);
|
||||
for(i = 0; i < nscr; i++){
|
||||
char name[32];
|
||||
sprintf(name, "xnlock%d", i+1);
|
||||
xshell[i] = XtVaAppCreateShell(NULL, NULL, /*name, "XNlock", */
|
||||
applicationShellWidgetClass, dpy,
|
||||
XtNscreen, ScreenOfDisplay(dpy, i+1),
|
||||
XtNoverrideRedirect, True,
|
||||
XtNx, -1,
|
||||
XtNy, -1,
|
||||
NULL);
|
||||
|
||||
xcore[i] = XtVaCreateManagedWidget("_foo", widgetClass, xshell[i],
|
||||
XtNwidth, Width,
|
||||
XtNheight, Height,
|
||||
NULL);
|
||||
XtRealizeWidget(xshell[i]);
|
||||
}
|
||||
|
||||
widget = XtVaCreateManagedWidget("_foo", widgetClass, override,
|
||||
XtNwidth, Width,
|
||||
XtNheight, Height,
|
||||
NULL);
|
||||
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;
|
||||
XtVaGetValues(override,
|
||||
XtNbackground, &Black,
|
||||
XtNforeground, &White,
|
||||
NULL);
|
||||
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);
|
||||
}
|
||||
|
||||
font = appres.font;
|
||||
gcvalues.font = font->fid;
|
||||
gcvalues.graphics_exposures = False;
|
||||
gc = XCreateGC(dpy, DefaultRootWindow(dpy),
|
||||
@@ -969,14 +962,10 @@ main (int argc, char **argv)
|
||||
}
|
||||
|
||||
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