Implement --hline "line" and --hfile file

gnu/usr.bin/dialog/TESTS/menubox

@@ -2,6 +2,7 @@
 DIALOG=${DIALOG=/usr/bin/dialog}
 
 $DIALOG --clear --title "MENU BOX" \
+	--hline "Press 1-9, Up/Down, first letter or Enter" \
         --menu "Hi, this is a menu box. You can use this to \n\
 present a list of choices for the user to \n\
 choose. If there are more items than can fit \n\

gnu/usr.bin/dialog/TESTS/yesno

@@ -2,6 +2,8 @@
 DIALOG=${DIALOG=/usr/bin/dialog}
 
 $DIALOG --title "YES/NO BOX" --clear \
+	--hline "Press F1 or ? to see GNU GPL" \
+	--hfile ../COPYING \
         --yesno "Hi, this is a yes/no dialog box. You can use this to ask \
                  questions that have an answer of either yes or no. \
                  BTW, do you notice that long lines will be automatically \

gnu/usr.bin/dialog/dialog.1

@@ -8,12 +8,17 @@ dialog \- display dialog boxes from shell scripts
 .br
 .B dialog
 [
-.B \-\-title
-.I title
+.BI "\-\-title " title
 ]
 [
 .B \-\-clear
 ]
+[
+.BI "\-\-hline " line
+]
+[
+.BI "\-\-hfile " file
+]
 .B box-options
 .SH DESCRIPTION
 .B Dialog
@@ -22,8 +27,8 @@ display messages using dialog boxes from a shell script. Currently,
 these types of dialog boxes are implemented: 
 .LP
 .BR yes/no " box," " menu" " box," " input" " box,"
-.BR message " box," " text" " box," " info" " box, and"
-.BR checklist " box."
+.BR message " box," " text" " box," " info" " box,"
+.BR checklist " box and" " program" " box."
 .SH OPTIONS
 .TP
 .B \-\-clear
@@ -41,6 +46,16 @@ Specifies a
 .I title
 string to be displayed at the top of the dialog box.
 .TP
+.BI \-\-hline " line"
+Specifies a
+.I line
+string to be displayed at the bottom of the dialog box.
+.TP
+.BI \-\-hfile " file"
+Specifies a
+.I file
+to be displayed by pressing ? or F1.
+.TP
 .B Box Options
 .TP
 .BI \-\-yesno " text height width"
@@ -139,6 +154,10 @@ exits, the
 .I tag
 of the chosen menu entry will be printed on
 .IR stderr "."
+.TP
+.BI \-\-prgbox " command height width"
+.RB A " program" " box lets you display output of command in"
+dialog box.
 .IP "\fB\-\-checklist \fItext height width list-height \fR[ \fItag item status \fR] \fI..."
 .RB "A " checklist " box is similar to a " menu " box in that there are"
 multiple entries presented in the form of a menu. Instead of choosing

gnu/usr.bin/dialog/dialog.c

@@ -90,6 +90,7 @@ int main(int argc, unsigned char *argv[])
   int offset = 0, clear_screen = 0, end_common_opts = 0, retval;
   unsigned char *title = NULL;
   unsigned char result[MAX_LEN];
+  char *hline = NULL, *hfile = NULL;
 
   if (argc < 2) {
     Usage(argv[0]);
@@ -120,6 +121,28 @@ int main(int argc, unsigned char *argv[])
         offset += 2;
       }
     }
+    else if (!strcmp(argv[offset+1], "--hline")) {
+      if (argc-offset < 3 || hline != NULL) {    /* No two "--hline" please! */
+        Usage(argv[0]);
+        exit(-1);
+      }
+      else {
+	hline = argv[offset+2];
+	use_helpline(hline);
+        offset += 2;
+      }
+    }
+    else if (!strcmp(argv[offset+1], "--hfile")) {
+      if (argc-offset < 3 || hfile != NULL) {    /* No two "--hfile" please! */
+        Usage(argv[0]);
+        exit(-1);
+      }
+      else {
+	hfile = argv[offset+2];
+	use_helpfile(hfile);
+        offset += 2;
+      }
+    }
     else if (!strcmp(argv[offset+1], "--clear")) {
       if (clear_screen) {    /* Hey, "--clear" can't appear twice! */
         Usage(argv[0]);
@@ -325,12 +348,14 @@ void Usage(unsigned char *name)
   fprintf(stderr, "\
 \ndialog version 0.3, by Savio Lam (lam836@cs.cuhk.hk).\
 \n  patched to version %s by Stuart Herbert (S.Herbert@shef.ac.uk)\
+\n  Changes Copyright (C) 1995 by Andrey A. Chernov, Moscow, Russia\
 \n\
 \n* Display dialog boxes from shell scripts *\
 \n\
 \nUsage: %s --clear\
 \n       %s --create-rc <file>\
-\n       %s [--title <title>] [--clear] <Box options>\
+\n       %s [--title <title>] [--clear] [--hline <line>] [--hfile <file>]\\\
+\n              <Box options>\
 \n\
 \nBox options:\
 \n\