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Manual Reference Pages  -  POE::COMPONENT::IRC::COOKBOOK::GTK2 (3)

.ds Aq ’

NAME

POE::Component::IRC::Cookbook::Gtk2 - An IRC client with a Gtk2 interface

CONTENTS

SYNOPSIS

This example uses Gtk2 and POE::Loop::Glib to present an event-driven GUI to the user.

DESCRIPTION



 #!/usr/bin/env perl

 use strict;
 use warnings;
 use Gtk2 -init;
 use Gtk2::SimpleList;
 use IRC::Utils qw(parse_user strip_color strip_formatting decode_irc);
 use POE qw(Loop::Glib Component::IRC::State Component::IRC::Plugin::Connector);

 my $channel = "#IRC.pm-test";
 my $irc = POE::Component::IRC::State->spawn(
     nick         => gtk-example,
     server       => irc.perl.org,
     port         => 6667,
     ircname      => Testing,
     debug        => 1,
     plugin_debug => 1,
 ) or die "Oh noooo! $!";

 POE::Session->create(
     package_states => [
         (__PACKAGE__) => [qw(
             _start
             ui_start
             ui_input
             ui_menu_quit
             ui_about
             ui_about_ok
             irc_start
             irc_001
             irc_public
             irc_notice
             irc_chan_sync
             irc_nick_sync
             irc_join
             irc_msg
             irc_433
         )],
     ],
 );

 $poe_kernel->run();

 my $messages;
 my $buffer;
 my $input;
 my $nicks;
 my $window;

 sub _start {
     $_[KERNEL]->yield(ui_start);
     $_[KERNEL]->yield(irc_start);
 }

 sub ui_start {
     my ($kernel, $session, $heap) = @_[KERNEL, SESSION, HEAP];

     my $window = Gtk2::Window->new("toplevel");
     $heap->{main_window} = $window;
     $kernel->signal_ui_destroy($heap->{main_window});

     $heap->{main_window}->set_size_request(640, 480);

     my $box = Gtk2::VBox->new(0, 0);

     my $menu_file = Gtk2::Menu->new();
     my $menu_quit = Gtk2::MenuItem->new(_Exit);

     $menu_quit->signal_connect(activate => $session->postback(ui_menu_quit));

     $menu_file->append($menu_quit);

     my $menu_help = Gtk2::Menu->new();
     my $menu_about = Gtk2::MenuItem->new(_About);
     $menu_about->signal_connect(activate => $session->postback(ui_about));
     $menu_help->append($menu_about);

     my $menu_item_file = Gtk2::MenuItem->new(_Program);
     my $menu_item_help = Gtk2::MenuItem->new(_Help);
     $menu_item_file->set_submenu($menu_file);
     $menu_item_help->set_submenu($menu_help);

     my $menu_bar = Gtk2::MenuBar->new();
     $menu_bar->append($menu_item_file);
     $menu_bar->append($menu_item_help);
     $box->pack_start($menu_bar, 0, 0, 0);
     $heap->{main_window}->add($box);

     my $hbox = Gtk2::HBox->new(0, 0);
     $box->pack_start($hbox, 1, 1, 0);

     $nicks = Gtk2::SimpleList->new(nickname, text);
     $nicks->set_headers_visible(0);
     $nicks->set_size_request(120, -1);

     $messages = Gtk2::TextView->new();
     $messages->set_editable(0);
     $messages->set_size_request(600, -1);

     $hbox->pack_start($messages, 1, 1, 0);
     $hbox->pack_start(Gtk2::VSeparator->new(), 0, 1, 4);
     $hbox->pack_start($nicks, 1, 1, 0);

     $messages->set_cursor_visible(0);
     $buffer = Gtk2::TextBuffer->new();

     my $blue  = $buffer->create_tag("fg_blue", foreground => "blue");
     my $yellow = $buffer->create_tag("fg_yellow", foreground => "yellow");
     my $orange = $buffer->create_tag("fg_orange", foreground => "orange");
     my $pink   = $buffer->create_tag("fg_pink", foreground => "pink");
     my $red    = $buffer->create_tag("fg_red", foreground => "red");

     $messages->set_buffer($buffer);

     my $label = Gtk2::Label->new("Counter");

     $heap->{counter}       = 0;
     $heap->{counter_label} = Gtk2::Label->new($heap->{counter});

     $input = Gtk2::Entry->new;
     $box->pack_start($input, 0, 0, 4);

     $heap->{main_window}->show_all();
     $input->grab_focus();
     $input->signal_connect(activate => $session->postback(ui_input));
 }

 sub push_buffer {
     my ($start, $end) = $buffer->get_bounds();
     my $text = strip_color(strip_formatting($_[0]));
     shift;
     $buffer->insert_with_tags_by_name($end, $text, @_);
     $messages->scroll_to_iter($end,0, 0, 0, 0);
 }

 sub ui_about {
     my $session = $_[SESSION];
     my $dialog = Gtk2::MessageDialog->new(
         $window,
         destroy-with-parent,
         info,
         ok,
         "POE::Component::IRC with Gtk2 example\nAuthor: Damian Kaczmarek"
     );

     $dialog->signal_connect(response => $session->postback(ui_about_ok));
     $dialog->show();
 }

 sub ui_input {
     my ($self, $response) = @{ $_[ARG1] };
     my $input = $self->get_text();

     return if $input eq "";

     if (my ($target, $msg) = $input =~ /^\/msg (\S+) (.*)$/) {
         $irc->yield(privmsg => $target, $msg);
         push_buffer("-> $target -> $msg\n", "fg_red");
     }
     else {
         $irc->yield(privmsg => $channel, $input);
         push_buffer(<.$irc->nick_name()."> $input\n");
     }

     $self->set_text("");
 }

 sub ui_about_ok {
     my ($dialog, $response) = @{ $_[ARG1] };
     $dialog->destroy;
 }

 sub ui_menu_quit {
     $_[HEAP]{main_window}->destroy();
 }

 sub irc_start {
     $irc->plugin_add(Connector, POE::Component::IRC::Plugin::Connector->new());
     $irc->yield(register => all);
     $irc->yield(connect );
 }

 sub irc_msg {
     my ($user, $recipients, $text) = @_[ARG0..ARG2];
     my $nick = parse_user($user);

     push_buffer("PRIV <$nick> $text\n", "fg_red");
 }

 sub irc_join {
     my ($user, $channel) = (@_[ARG0..ARG1]);
     my ($nick, $username, $host) = parse_user($user);

     push_buffer("$nick ($host) joined $channel\n", "fg_pink");
 }

 sub irc_chan_sync {
     @{$nicks->{data}} = map { [$_] } $irc->channel_list($channel);
     push_buffer("Synchronized to $channel!\n");
 }

 sub irc_nick_sync {
     @{$nicks->{data}} = map { [$_] } $irc->channel_list($channel);
 }

 sub irc_001 {
     push_buffer("Connected to IRC server!\n");
     $irc->yield(join => $channel);
 }

 sub irc_notice {
     my ($user, $recipients, $text) = @_[ARG0..ARG2];
     my $nick = parse_user($user);
     $text = decode_irc($text);
     push_buffer("$nick : $text\n", "fg_orange");
 }

 sub irc_public {
     my ($user, $where, $what) = @_[ARG0 .. ARG2];
     my $nick = parse_user($user);
     $what = decode_irc($what);
     push_buffer("<$nick> $what\n");
 }

 sub irc_433 {
     my $new_nick = $irc->nick_name() . "_";
     $irc->yield(nick => $new_nick);
     push_buffer("433 Nick taken ... changing to $new_nick\n", "fg_orange");

 }



AUTHOR

Damian Kaczmarek
Search for    or go to Top of page |  Section 3 |  Main Index


perl v5.20.3 POE::COMPONENT::IRC::COOKBOOK::GTK2 (3) 2014-06-28

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