X-Git-Url: http://git.shiar.net/descalc.git/blobdiff_plain/b2aba05a22d1f4036008c2d12874ddc9eb98edc0..7d9af85556b0e64c70e3641764b7b49a306723f3:/08_stdout.pm

diff --git a/08_stdout.pm b/08_stdout.pm
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+# console output for DCT, by Shiar
+
+# 1.10.1 200410140120 - print everything to STDOUT
+#     .2              - use escape sequences for clear/reposition/invert
+#     .3              - try to get width/height from environment vars
+#     .4              - never clear screen (just let it scroll)
+#     .5 200410142200 - startup message omitted (now shown by main)
+
+use strict;
+use warnings;
+
+return 0 if $set{display};
+$set{display} = "stdout";
+
+push @{$hook{init}}, sub {
+#	print "\ec";  # reset (clear screen, go home)
+#	print "\e[4mDCT $::VERSION\e[24m ";  # print intro (underlined)
+	END { print "\n"; }
+
+	$set{height} = $ENV{LINES}-2 if $ENV{LINES} and $ENV{LINES}>=3;
+	$set{width} = $ENV{COLUMNS} if $ENV{COLUMNS};
+}; # init
+
+push @{$hook{showerror}}, sub {
+	print "\n\a\e[7m$_[0]\e[27m";  # bell and reverse video
+}; # showerror
+
+push @{$hook{showstack}}, sub {
+	for (reverse 0..@stack-1) {
+		print "\n$_: ", showval($stack[$_], $set{base});
+	} # show stack
+	print "\n> ";  # prompt
+}; # showstack
+
+push @{$hook{showentry}}, sub {
+	print "\e[3G\e[K", $_[0];  # cursor to column #3; erase line
+}; # showentry
+
+return {
+	author  => "Shiar",
+	title   => "console output",
+	version => "1.10.4",
+};
+