change time outs on selects
[spider.git] / perl / console.pl
index b4fef51ad68ec56d5aca5c645a0de24a91501ac3..ceac24e278890d1275fa6f904761d1993355061e 100755 (executable)
@@ -50,6 +50,46 @@ $khistpos = 0;
 $spos = $pos = $lth = 0;
 $inbuf = "";
 
+# do the screen initialisation
+sub do_initscr
+{
+       $scr = new Curses;
+       raw();
+       noecho();
+       $has_colors = has_colors();
+       
+       if ($has_colors) {
+               start_color();
+               init_pair(0, $foreground, $background);
+               init_pair(1, COLOR_RED, $background);
+               init_pair(2, COLOR_YELLOW, $background);
+               init_pair(3, COLOR_GREEN, $background);
+               init_pair(4, COLOR_CYAN, $background);
+               init_pair(5, COLOR_BLUE, $background);
+               init_pair(6, COLOR_MAGENTA, $background);
+       }
+       
+       $top = $scr->subwin(LINES()-4, COLS, 0, 0);
+       $top->intrflush(0);
+       $top->scrollok(1);
+       $scr->addstr(LINES()-4, 0, '-' x COLS);
+       $bot = $scr->subwin(3, COLS, LINES()-3, 0);
+       $bot->intrflush(0);
+       $bot->scrollok(1);
+       $bot->keypad(1);
+       $bot->move(1,0);
+       $scr->refresh();
+       
+       $pagel = LINES()-4;
+       $mycallcolor = COLOR_PAIR(1) unless $mycallcolor;
+}
+
+sub do_resize
+{
+       undef $scr;
+       do_initscr();
+}
+
 # cease communications
 sub cease
 {
@@ -69,33 +109,89 @@ sub sig_term
        cease(1, @_);
 }
 
-# display the top screen
-sub show_screen
+# determine the colour of the line
+sub setattr
 {
-       my $p = $spos - $pages;
-       my $i;
-       $p = 0 if $p < 0;
-
-       $top->move(0, 0);
-       $top->attrset(COLOR_PAIR(0)) if $has_colors;
-       $top->clrtobot();
-       for ($i = 0; $i < $pages && $p < @shistory; $i++, $p++) {
-               my $line = $shistory[$p];
-               $line = substr($line, 0, COLS()) if length $line > COLS();
-               $top->move($i, 0);
-               if ($has_colors) {
-                       foreach my $ref (@colors) {
-                               if ($line =~ m{$$ref[0]}) {
-                                       $top->attrset($$ref[1]);
-                                       last;
-                               }
+       if ($has_colors) {
+               foreach my $ref (@colors) {
+                       if ($_[0] =~ m{$$ref[0]}) {
+                               $top->attrset($$ref[1]);
+                               last;
                        }
                }
+       }
+}
+
+# measure the no of screen lines a line will take
+sub measure
+{
+       my $line = shift;
+       return 0 unless $line;
+
+       my $l = length $line;
+       my $lines = int ($l / COLS());
+       $lines++ if $l / COLS() > $lines;
+       return $lines;
+}
+
+# display the top screen
+sub show_screen
+{
+       if ($spos == @shistory - 1) {
+
+               # if we really are scrolling thru at the end of the history
+               my $line = $shistory[$spos];
+               $top->addstr("\n") if $spos > 0;
+               setattr($line);
                $top->addstr($line);
                $top->attrset(COLOR_PAIR(0)) if $has_colors;
+               $spos = @shistory;
+               
+       } else {
+               
+               # anywhere else
+               my ($i, $l);
+               my $p = $spos-1;
+               for ($i = 0; $i < $pagel && $p >= 0; ) {
+                       $l = measure($shistory[$p]);
+                       $i += $l;
+                       $p-- if $i < $pagel;
+               }
+               $p = 0 if $p < 0;
+               
+               $top->move(0, 0);
+               $top->attrset(COLOR_PAIR(0)) if $has_colors;
+               $top->clrtobot();
+               for ($i = 0; $i < $pagel && $p < @shistory; $p++) {
+                       my $line = $shistory[$p];
+                       my $lines = measure($line);
+                       last if $i + $lines > $pagel;
+                       setattr($line);
+                       $top->addstr($i, 0, $line);
+                       $top->attrset(COLOR_PAIR(0)) if $has_colors;
+                       $i += $lines;
+               }
+               $spos = $p;
+               $spos = @shistory if $spos > @shistory;
        }
-       $spos = $p;
-       $top->refresh();
+    my $shl = @shistory;
+       my $add = "-$spos-$shl";
+    $scr->addstr(LINES()-4, 0, '-' x (COLS() - (length($call) + length($add))));
+       $scr->attrset($mycallcolor) if $has_colors;
+       $scr->addstr("$call");
+       $scr->attrset(COLOR_PAIR(0)) if $has_colors;
+    $scr->addstr($add);
+       $scr->refresh();
+#      $top->refresh();
+}
+
+# add a line to the end of the top screen
+sub addtotop
+{
+       my $inbuf = shift;
+       push @shistory, $inbuf;
+       shift @shistory if @shistory > $maxshist;
+       show_screen();
 }
 
 # handle incoming messages
@@ -108,12 +204,9 @@ sub rec_socket
        if (defined $msg) {
                my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
                
-               if ($sort eq 'D') {
-                       push @shistory, $line;
-                       shift @shistory if @shistory > $maxshist;
-                       $spos = @shistory if $spos >= @shistory - 1;
-                       show_screen();
-               } elsif ($sort eq 'Z') { # end, disconnect, go, away .....
+               if ($sort && $sort eq 'D') {
+                       addtotop($line);
+               } elsif ($sort && $sort eq 'Z') { # end, disconnect, go, away .....
                        cease(0);
                }         
        }
@@ -133,10 +226,26 @@ sub rec_stdin
        #  $prbuf =~ s/\n/\\n/;
        #  print "sys: $r ($prbuf)\n";
        if (defined $r) {
+               
                if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
                        
                        # save the lines
                        if ($inbuf) {
+                               # check for a pling and do a search back for a command
+                               if ($inbuf =~ /^!/o) {
+                                       my $i;
+                                       $inbuf =~ s/^!//o;
+                                       for ($i = $#khistory; $i >= 0; $i--) {
+                                               if ($khistory[$i] =~ /^$inbuf/) {
+                                                       $inbuf = $khistory[$i];
+                                                       last;
+                                               }
+                                       }
+                                       if ($i < 0) {
+                                               beep();
+                                               return;
+                                       }
+                               }
                                push @khistory, $inbuf if $inbuf;
                                shift @khistory if @khistory > $maxkhist;
                                $khistpos = @khistory;
@@ -144,6 +253,13 @@ sub rec_stdin
                                $bot->clrtoeol();
                                $bot->addstr(substr($inbuf, 0, COLS));
                        }
+
+                       # add it to the monitor window
+                       unless ($spos == @shistory) {
+                               $spos = @shistory;
+                               show_screen();
+                       };
+                       addtotop($inbuf) if $inbuf;
                
                        # send it to the cluster
                        $inbuf = " " unless $inbuf;
@@ -166,18 +282,28 @@ sub rec_stdin
                        } else {
                                beep();
                        }
-               } elsif ($r eq KEY_PPAGE || $r eq "\026") {
+               } elsif ($r eq KEY_PPAGE || $r eq "\032") {
                        if ($spos > 0) {
-                               $spos -= $pages;
+                               my ($i, $l);
+                               for ($i = 0; $i <= $pagel && $spos >= 0; ) {
+                                       $l = measure($shistory[$spos]);
+                                       $i += $l;
+                                       $spos-- if $i <= $pagel;
+                               }
                                $spos = 0 if $spos < 0;
                                show_screen();
                        } else {
                                beep();
                        }
-               } elsif ($r eq KEY_NPAGE || $r eq "\032") {
+               } elsif ($r eq KEY_NPAGE || $r eq "\026") {
                        if ($spos < @shistory - 1) {
-                               $spos += $pages;
-                               $spos = @shistory if $spos > @shistory;
+                               my ($i, $l);
+                               for ($i = 0; $i <= $pagel && $spos <= @shistory; ) {
+                                       $l = measure($shistory[$spos]);
+                                       $i += $l;
+                                       $spos++ if $i <= $pagel;
+                               }
+                               $spos = @shistory if $spos >= @shistory - 1;
                                show_screen();
                        } else {
                                beep();
@@ -196,6 +322,8 @@ sub rec_stdin
                        }
                } elsif ($r eq KEY_HOME || $r eq "\001") {
                        $pos = 0;
+               } elsif ($r eq KEY_END || $r eq "\005") {
+                       $pos = $lth;
                } elsif ($r eq KEY_BACKSPACE || $r eq "\010") {
                        if ($pos > 0) {
                                my $a = substr($inbuf, 0, $pos-1);
@@ -220,6 +348,13 @@ sub rec_stdin
                                beep();
                        }
                } elsif ($r ge ' ' && $r le '~') {
+                       # move the top screen back to the bottom if you type something
+                       if ($spos < @shistory) {
+                               $spos = @shistory;
+                               show_screen();
+                       }
+               
+                       # insert the character into the keyboard buffer
                        if ($pos < $lth) {
                                my $a = substr($inbuf, 0, $pos);
                                my $b = substr($inbuf, $pos);
@@ -230,11 +365,11 @@ sub rec_stdin
                        $pos++;
                        $lth++;
                } elsif ($r eq "\014" || $r eq "\022") {
-                       $scr->touchwin();
-                       $scr->refresh();
+                       #do_resize();
+                       return;
                } elsif ($r eq "\013") {
-                       $inbuf = "";
-                       $pos = $lth = 0;
+                       $inbuf = substr($inbuf, 0, $pos);
+                       $lth = length $inbuf;
                } else {
                        beep();
                }
@@ -276,49 +411,22 @@ if (! $conn) {
 
 $SIG{'INT'} = \&sig_term;
 $SIG{'TERM'} = \&sig_term;
+#$SIG{'WINCH'} = \&do_resize;
 $SIG{'HUP'} = 'IGNORE';
 
-$scr = new Curses;
-raw();
-noecho();
-$has_colors = has_colors();
-
-if ($has_colors) {
-       start_color();
-       init_pair(0, $foreground, $background);
-       init_pair(1, COLOR_RED, $background);
-       init_pair(2, COLOR_YELLOW, $background);
-       init_pair(3, COLOR_GREEN, $background);
-       init_pair(4, COLOR_CYAN, $background);
-       init_pair(5, COLOR_BLUE, $background);
-       init_pair(6, COLOR_MAGENTA, $background);
-}
-
-$top = $scr->subwin(LINES()-4, COLS, 0, 0);
-$top->intrflush(0);
-$top->scrollok(1);
-$scr->addstr(LINES()-4, 0, '-' x COLS);
-$bot = $scr->subwin(3, COLS, LINES()-3, 0);
-$bot->intrflush(0);
-$bot->scrollok(1);
-$bot->keypad(1);
-$bot->move(1,0);
-$scr->refresh();
+do_initscr();
 
 $SIG{__DIE__} = \&sig_term;
 
-$pages = LINES()-4;
-my $dpages = $pages - 2;
-
 $conn->send_now("A$call|$connsort");
-$conn->send_now("I$call|set/page $dpages");
+$conn->send_now("I$call|set/page $maxshist");
 $conn->send_now("I$call|set/nobeep");
 
 Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
 
 for (;;) {
        my $t;
-       Msg->event_loop(1, 0.010);
+       Msg->event_loop(1, 1);
        $top->refresh() if $top->is_wintouched;
        $bot->refresh();
        $t = time;