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|
#
# Curses interface module.
#
my $VERSION = "0.01";
my $FAILED = 0;
BEGIN
{
if ((defined $INTERFACE) || ($daemon))
{
$SUCCESS = 0; return 1;
}
foreach (@SCRIPT_PATH)
{
push @INC, "$_/CursesLib";
}
my $oh = $SIG{__DIE__};
$SIG{__DIE__} = sub { return; };
eval
{
require Curses;
import Curses
require Window;
import Window;
require InputLine;
import InputLine;
};
$SIG{__DIE__} = $oh;
if ($@)
{
print "Error, unable to load Curses module...\n";
$SUCCESS = 0;
return;
}
else
{
$SUCCESS = 1;
}
}
return if (! $SUCCESS);
push @{ $code_hash{&MSG_SERVER_STATS} }, \&update_counts;
push @{ $code_hash{&MSG_INIT} }, \&setup_curses;
$INTERFACE = 1;
$SCROLL_LENGTH = 101 if (! defined $SCROLL_LENGTH);
push @extensions, "Curses";
print "Curses TUI Module $VERSION Loaded...\n";
#
# Set up keyboard handler
#
my $handle = \*STDIN;
$handles{$handle} = { Handle => $handle,
Callback => \&check_keyboard };
$command_hash{"/pageup"} = [ \&do_page_up ];
$command_hash{"/pagedown"} = [ \&do_page_down ];
$command_hash{"/clear"} = [ \&do_clear ];
$help_hash{"/pageup"} = "Usage: /pageup\n\n Causes the screen to shift up by a half-page.\n\n";
$help_hash{"/pagedown"} = "Usage: /pagedown\n\n Causes the screen to shift down by a half-page\n\n";
$help_hash{"/clear"} = "Usage: /clear\n\n Clears the display.\n\n";
#
# Set up screen.
#
my ($window, $input);
$CURSES_ENABLED = 1;
unshift @{ $code_hash{&MSG_SHUTDOWN} }, sub { endwin() };
sub setup_curses
{
my $tieclass;
my $textwin;
my $cmdwin;
my ($scr_width, $scr_height);
initscr();
cbreak();
noecho();
# This is a butt-ugly palette which tries to emulate the GUI palette
# to some degree... what Curses needs is the ability to store attributes
# in colour pairs...
if ($colours)
{
start_color();
init_pair(1, COLOR_YELLOW, COLOR_BLACK);
init_pair(2, COLOR_WHITE, COLOR_BLACK);
init_pair(3, COLR_BLUE, COLOR_BLACK);
init_pair(4, COLOR_GREEN, COLOR_BLACK);
init_pair(5, COLOR_RED, COLOR_BLACK);
init_pair(6, COLOR_MAGENTA, COLOR_BLACK);
init_pair(7, COLOR_MAGENTA, COLOR_BLACK);
init_pair(8, COLOR_YELLOW, COLOR_BLACK);
init_pair(9, COLOR_YELLOW, COLOR_BLACK);
init_pair(10, COLOR_GREEN, COLOR_BLACK);
init_pair(11, COLOR_GREEN, COLOR_BLACK);
init_pair(12, COLOR_CYAN, COLOR_BLACK);
init_pair(13, COLOR_BLUE, COLOR_BLACK);
init_pair(14, COLOR_WHITE, COLOR_BLACK);
init_pair(15, COLOR_WHITE, COLOR_BLACK);
init_pair(16, COLOR_WHITE, COLOR_BLUE);
}
getmaxyx($scr_height, $scr_width);
$textwin = subwin($scr_height-2, $scr_width, 0, 0);
$cmdwin = subwin(2, $scr_width, $scr_height-2, 0);
attrset($cmdwin, COLOR_PAIR(16));
addstr($cmdwin, 0, 0, "-"x$scr_width);
attrset($cmdwin, COLOR_PAIR(2));
my $oldwin = tied *STDOUT;
($window, $input) = (Window->new($textwin, $SCROLL_LENGTH, $oldwin),
InputLine->new($cmdwin));
tie *STDOUT, 'Window', $window;
refresh($cmdwin);
}
sub check_keyboard
{
my ($sock, $handle) = @_;
my $ch;
$input->getchar($ch);
return if ($input->line_available() == $FALSE);
do_command($sock, $input->getline());
}
sub update_counts
{
my ($sock, $text) = @_;
my ($libs, $total, $gigs);
$$text =~ s/(\d+) (\d+) (\d+)//g;
$total = $2; $libs = $1; $gigs = $3;
return if (! isa($input->{"window"}, 'Curses::Window'));
attrset($input->{"window"}, COLOR_PAIR(16));
addstr($input->{"window"}, 0, 0, "-- Songs: $total -- Libraries: $libs -- Gigs: $gigs ");
attrset($input->{"window"}, COLOR_PAIR(2));
refresh($input->{"window"});
}
sub do_page_up
{
my ($sock, $param_str, @params) = @_;
$window->page_up;
}
sub do_page_down
{
my ($sock, $param_str, @params) = @_;
$window->page_down;
}
sub do_clear
{
my ($sock, $param_str, @params) = @_;
$window->clear;
}
|
