1 files changed, 98 insertions, 0 deletions
diff --git a/nx-X11/programs/xterm/gen-pc-fkeys.pl b/nx-X11/programs/xterm/gen-pc-fkeys.pl
new file mode 100755
index 000000000..c7ba80268
--- /dev/null
+++ b/nx-X11/programs/xterm/gen-pc-fkeys.pl
@@ -0,0 +1,98 @@
+#! /usr/bin/perl -w
+# Author: Thomas E. Dickey
+# $XTermId: gen-pc-fkeys.pl,v 1.5 2005/04/03 16:58:29 tom Exp $
+# $XFree86: xc/programs/xterm/gen-pc-fkeys.pl,v 1.2 2005/03/29 04:00:32 tsi Exp $
+#
+# Construct a list of function-key definitions corresponding to xterm's
+# Sun/PC keyboard.  This uses infocmp to obtain the strings to modify (and
+# verify).
+use strict;
+
+my(@old_keys);
+my($min_fkeys,$max_fkeys,$max_modifier,$modify_opt,$terminfo);
+
+$min_fkeys=12;		# the number of "real" function keys on your keyboard
+$max_fkeys=64;		# the number of function-keys terminfo can support
+$max_modifier=8;	# modifier 1 + (1=shift, 2=alt, 4=control 8=meta)
+$modify_opt=2;		# xterm's modifyCursorKeys resource
+$terminfo="xterm-new";	# the terminfo entry to use
+
+my($cur_modifier, $cur_fkey);
+
+# apply the given modifier to the terminfo string, return the result
+sub modify_it {
+	my $code = $_[0];
+	my $text = $_[1];
+	if ($code != 1) {
+		my $piece = substr $text, 0, length ($text) - 1;
+		my $final = substr $text, length ($text) - 1;
+		my $check = substr $piece, length ($piece) - 1;
+		if ($check =~ /[0-9]/) {
+			$code = ";" . $code;
+		}
+		$text = $piece . $code . $final;
+	}
+	return $text;
+}
+
+# compute the next modifier value
+sub next_modifier {
+	my $code = $_[0];
+	my $mask = $code - 1;
+	if ($mask == 0) {
+		$mask = 1;
+	} elsif ($mask == 1) {
+		$mask = 4;
+	} elsif ($mask == 2) {
+		$mask = 3;	# FIXME
+	} elsif ($mask == 4) {
+		$mask = 5;
+	} elsif ($mask == 5) {
+		$mask = 2;
+	}
+	# printf ("# next_modifier(%d) = %d\n", $code, $mask + 1);
+	return $mask + 1;
+}
+
+# Read the terminfo entry's list of function keys $old_keys[].
+# We could handle $old_keys[0], but choose to start numbering from 1.
+sub readterm() {
+	my($key,$n,$str);
+	my(@list) = `infocmp -1 $terminfo`;
+	for $n (0..$#list) {
+		chop $list[$n];
+		$list[$n] =~ s/^[[:space:]]//;
+		if ( $list[$n] =~ /^kf[[:digit:]]+=/ ) {
+			$key = $list[$n];
+			$key =~ s/^kf//;
+			$key =~ s/=.*//;
+			$str = $list[$n];
+			$str =~ s/^kf[[:digit:]]+=//;
+			$str =~ s/,[[:space:]]*$//;
+			# printf "$n:%s(%d)(%s)\n", $list[$n], $key, $str;
+			$old_keys[$key] = $str;
+		}
+	}
+	# printf ("last index:%d\n", $#old_keys);
+}
+
+readterm();
+
+# Cycling through the modifiers is not just like counting.  Users prefer
+# pressing one modifier (even if using Emacs).  So first we cycle through
+# the individual modifiers, then for completeness two, three, etc.
+printf "xterm+pcfkeys|fragment for PC-style keys, \n";
+for ($cur_fkey = 1, $cur_modifier = 1; $cur_fkey < $max_fkeys; ++$cur_fkey) {
+	my $index = (($cur_fkey - 1) % $min_fkeys);
+	if ($index == 0 && $cur_fkey != 1) {
+		$cur_modifier = next_modifier($cur_modifier);
+	}
+	my $input = $old_keys[$index + 1];
+	my $result = modify_it($cur_modifier,$input);
+	printf "\tkf%d=%s, \n", $cur_fkey, $result;
+	if (defined $old_keys[$cur_fkey]) {
+		if ($old_keys[$cur_fkey] ne $result) {
+			printf "# diff %s\n", $old_keys[$cur_fkey];
+		}
+	}
+}