release 1.10.6

[descalc.git] / 05_curses.pm

diff --git a/05_curses.pm b/05_curses.pm
new file mode 100644 (file)
index 0000000..73e0d01
--- /dev/null
+++ b/05_curses.pm
@@ -0,0 +1,56 @@
+# ncurses output for DCT, by Shiar
+
+# 1.10.1 200410140120 - all output functions seperated from main
+
+use strict;
+use warnings;
+
+use Curses;
+
+return 0 if $set{display};
+$set{display} = "curses";
+
+push @{$hook{init}}, sub {
+       initscr;
+       END { endwin; } # restore terminal on quit
+
+       $set{height} = $LINES-2 if $LINES>=3;
+       $set{width} = $COLS if $COLS;
+}; # init
+
+push @{$hook{showerror}}, sub {
+       attron(A_REVERSE);
+       addstr(0, 0, shift);
+       attroff(A_REVERSE);
+       clrtoeol;
+       refresh;
+
+       ReadKey; # wait for confirm
+       1 while defined ReadKey(-1); # clear key buffer
+}; # showerror
+
+push @{$hook{showstack}}, sub {
+       for (0..@stack-1) {
+               addstr($set{height}-$_, 1, "$_: ".showval($stack[$_], $set{base}));
+               clrtoeol;
+       } # show stack
+       clrtoeol($set{height}-@stack, 1);
+}; # showstack
+
+push @{$hook{refresh}}, sub {
+       clear;
+       addstr($set{height}+1, 0, "> ");  # prompt
+}; # refresh
+
+push @{$hook{showentry}}, sub {
+       addstr($set{height}+1, 2, $_[0]);
+       clrtoeol;
+       refresh;
+}; # showentry
+
+return {
+       author  => "Shiar",
+       title   => "curses output",
+       version => "1.10.1",
+};
+