I want the system tray icon to change when I click on "UVNav" in the menu. The code I wrote that does this is in the subroutine "UVNav". So far it removes the "test" icon in the eventbox container. I cant seem to get the new icon to appear. If I use the "show_all" on the tray there are errors and nothing happens. If I use the "queue_draw" there are no errors but the new icon is not displayed. Any ideas? EDIT: I fixed it by using just "show_all" and correcting the file location. 
#!/usr/bin/perl -w
use strict;
use warnings;
use threads;
use threads::shared;
use Glib qw/TRUE FALSE/;
use Gtk2 '-init';
use Gtk2::TrayIcon;
#user variables
my $icon_main = Gtk2::Gdk::Pixbuf->new_from_file("/home/deadpickle/Des
+ktop/Gtk2/test.png");
my $icon_nav = Gtk2::Gdk::Pixbuf->new_from_file("/home/deadpickle/Desk
+top/Gtk2/uvnav.png");
my $time = 1200000;

#global variables
my $user : shared = 'uas';
my $server : shared = 'updraft.unl.edu';
my $local_waypoint : shared = '/local';
my $remote_waypoint : shared = '/remote';
my $waytemp : shared = 'waytemp';
my $wayfinal : shared = 'wayfinal';
my $file = 'default.cfg';
my $local_uaspos : shared = '/local';
my $remote_uaspos : shared = '/remote';
my $local_uas : shared = '/local';
my $remote_uas : shared = '/remote';
my $die : shared = 0;
my $sftp_connect : shared = 0;
#icon goes in box, box goes in tray
my $icon_1 = Gtk2::Image->new_from_pixbuf($icon_main);
my $eventbox = Gtk2::EventBox->new;
$eventbox->add($icon_1);
my $tray = Gtk2::TrayIcon->new('Test');
$tray->add($eventbox);

#threads
my $thread_1 = threads->new( \&sftp);

#tooltip
my $tooltip = Gtk2::Tooltips->new;
$tooltip->set_tip($tray, "GRRUVI v1.0");

#events and timeouts
$eventbox->signal_connect('button_release_event', \&click);

#show tray
$tray->show_all;

#end event loop
Gtk2->main;


#handles tray clicks
sub click {

    #left mouse button
    if ($_[1]->button == 1) {
    #what should this do?   
    #&open_woot();
    }
    
    #right mouse button
    elsif ($_[1]->button == 3) 
    {
        &menu();
    }
    return 1;
}


#right click menu 
sub menu {
    my $menu = Gtk2::Menu->new();

    #UVNav
    my $menu_UVNav = Gtk2::ImageMenuItem->new_with_label("UVNav");
    $menu_UVNav->signal_connect(activate => \&UVNav);
    $menu_UVNav->set_image(Gtk2::Image->new_from_stock('gtk-refresh', 
+'menu'));
    $menu->add($menu_UVNav);

    #VCI
    my $menu_VCI = Gtk2::ImageMenuItem->new_with_label("VCI");
    $menu_VCI->signal_connect(activate => \&VCI);
    $menu_VCI->set_image(Gtk2::Image->new_from_stock('gtk-refresh', 'm
+enu'));
    $menu->add($menu_VCI);

    #configure
    my $menu_pref = Gtk2::ImageMenuItem->new_with_label("Configure");
    $menu_pref->signal_connect(activate => \&configure);
    $menu_pref->set_image(Gtk2::Image->new_from_stock('gtk-preferences
+', 'menu'));
    $menu->add($menu_pref);

    #separator
    my $menu_sep = Gtk2::SeparatorMenuItem->new();
    $menu->add($menu_sep);

    #Quit
    my $menu_quit = Gtk2::ImageMenuItem->new_with_label("Quit");
    $menu_quit->signal_connect(activate => \&exit_threads);
    $menu_quit->set_image(Gtk2::Image->new_from_stock('gtk-quit', 'men
+u'));
    $menu->add($menu_quit);
    
    
    $menu->show_all;

    #popup menu, the three is for right mouse button
    $menu->popup(undef,undef,undef,3,undef,undef);

    return 1;
}

#UVNav interface
sub UVNav {
    #change the icon when UVNav is clicked in the menu
    $eventbox->remove($icon_1);
    my $icon_2 = Gtk2::Image->new_from_pixbuf($icon_nav);
    $eventbox->add($icon_2);
    $eventbox->reparent($tray);
    $tray->show_all;
}

#VCI displays
sub VCI {
    
}

#configuration dialog window
sub configure {

    #Create the new window
    my $config_window = Gtk2::Window->new('toplevel');
    $config_window->set_title("Configuration");
    $config_window->set_position('center');
    
    #VBox container
    my $table_config = Gtk2::Table->new(3, 5, FALSE);
    
    #Create Notebook
    my $config_notebook = Gtk2::Notebook->new;
    $config_notebook->set_tab_pos('top');
    
    #the First Page; Config file select
    my $hbox_file = Gtk2::HBox->new(FALSE, 1);
    my $label_file = Gtk2::Label->new('Configuration Filename');
    my $entry_file = Gtk2::Entry->new;
    my $button_file = Gtk2::Button->new_with_mnemonic("_Browse");
    $button_file->set_size_request( 80, 32);
    my $align_button_file = Gtk2::Alignment->new( 0.5, 0.5, 0, 0);
    $align_button_file->add( $button_file);
    $entry_file->set_text($file);
    $hbox_file->pack_start($label_file, FALSE, FALSE, 1);
    $hbox_file->pack_start($entry_file, FALSE, FALSE, 1);
    $hbox_file->pack_start($align_button_file, FALSE, FALSE, 1);
    
    
    #the Second Page; Connection
    my $connect_vbox = Gtk2::VBox->new( FALSE, 1);
    my $label_user = Gtk2::Label->new('Username');
    my $entry_user = Gtk2::Entry->new;
    my $label_server = Gtk2::Label->new('Server');
    my $entry_server = Gtk2::Entry->new;
    $entry_user->set_text($user);
    $entry_server->set_text($server);
    $connect_vbox->pack_start($label_user, FALSE, FALSE, 1);
    $connect_vbox->pack_start($entry_user, FALSE, FALSE, 1);
    $connect_vbox->pack_start($label_server, FALSE, FALSE, 1);
    $connect_vbox->pack_start($entry_server, FALSE, FALSE, 1);
    
    #the Third Page; Waypoint
    my $table_waypoint = Gtk2::Table->new(4, 2, FALSE);
    my $label_temp_waypoint = Gtk2::Label->new('Temp Waypoint Filename
+');
    my $entry_temp_waypoint = Gtk2::Entry->new;
    my $label_final_waypoint = Gtk2::Label->new('Final Waypoint Filena
+me');
    my $entry_final_waypoint = Gtk2::Entry->new;
    my $label_local_waypoint = Gtk2::Label->new('Local Waypoint Folder
+');
    my $entry_local_waypoint = Gtk2::Entry->new;
    my $label_remote_waypoint = Gtk2::Label->new('Remote Waypoint Fold
+er');
    my $entry_remote_waypoint = Gtk2::Entry->new;
    $entry_temp_waypoint->set_text($waytemp);
    $entry_final_waypoint->set_text($wayfinal);
    $entry_local_waypoint->set_text($local_waypoint);
    $entry_remote_waypoint->set_text($remote_waypoint);    
    $entry_temp_waypoint->set_editable(0);
    $entry_final_waypoint->set_editable(0);    
    $table_waypoint->attach_defaults($label_temp_waypoint, 0, 1, 0, 1)
+;
    $table_waypoint->attach_defaults($entry_temp_waypoint, 1, 2, 0, 1)
+;
    $table_waypoint->attach_defaults($label_final_waypoint, 0, 1, 1, 2
+);
    $table_waypoint->attach_defaults($entry_final_waypoint, 1, 2, 1, 2
+);
    $table_waypoint->attach_defaults($label_local_waypoint, 0, 1, 2, 3
+);
    $table_waypoint->attach_defaults($entry_local_waypoint, 1, 2, 2, 3
+);
    $table_waypoint->attach_defaults($label_remote_waypoint, 0, 1, 3, 
+4);
    $table_waypoint->attach_defaults($entry_remote_waypoint, 1, 2, 3, 
+4);
    
    #the Fourth Page; UAS
    my $vbox_uas = Gtk2::VBox->new( FALSE, 1);
    my $table_uaspos = Gtk2::Table->new(4, 2, FALSE);
    my $frame_uaspos = Gtk2::Frame->new( 'uasposition File Transfer');
    my $label_local_uaspos = Gtk2::Label->new('Local uasposition Folde
+r');
    my $entry_local_uaspos = Gtk2::Entry->new;
    my $label_remote_uaspos = Gtk2::Label->new('Remote uasposition Fol
+der');
    my $entry_remote_uaspos = Gtk2::Entry->new;
    $entry_local_uaspos->set_text($local_uaspos);
    $entry_remote_uaspos->set_text($remote_uaspos);
    $table_uaspos->attach_defaults($label_local_uaspos, 0, 1, 0, 1);
    $table_uaspos->attach_defaults($entry_local_uaspos, 1, 2, 0, 1);
    $table_uaspos->attach_defaults($label_remote_uaspos, 0, 1, 1, 2);
    $table_uaspos->attach_defaults($entry_remote_uaspos, 1, 2, 1, 2);
    $frame_uaspos->add( $table_uaspos);    
    my $table_uas = Gtk2::Table->new(4, 2, FALSE);
    my $frame_uas = Gtk2::Frame->new( 'UAS Placefile Transfer');
    my $label_local_uas = Gtk2::Label->new('Local uaspf.txt Folder');
    my $entry_local_uas = Gtk2::Entry->new;
    my $label_remote_uas = Gtk2::Label->new('Remote uaspf.txt Folder')
+;
    my $entry_remote_uas = Gtk2::Entry->new;
    $entry_local_uas->set_text($local_uas);
    $entry_remote_uas->set_text($remote_uas);
    $table_uas->attach_defaults($label_local_uas, 0, 1, 0, 1);
    $table_uas->attach_defaults($entry_local_uas, 1, 2, 0, 1);
    $table_uas->attach_defaults($label_remote_uas, 0, 1, 1, 2);
    $table_uas->attach_defaults($entry_remote_uas, 1, 2, 1, 2);
    $frame_uas->add( $table_uas);
    $vbox_uas->pack_start($frame_uaspos, FALSE, FALSE, 1);
    $vbox_uas->pack_start($frame_uas, FALSE, FALSE, 1);
    
    #append pages
    $config_notebook->append_page($hbox_file, "Configuration File");
    $config_notebook->append_page($connect_vbox, "Connection");
    $config_notebook->append_page($table_waypoint, "Waypoint");
    $config_notebook->append_page($vbox_uas, "UAS Settings");

    #add button to the main window
    my $button_accept = Gtk2::Button->new_with_mnemonic("_Accept");
    my $button_cancel = Gtk2::Button->new_with_mnemonic("_Cancel");
    
    #pack them into the dialog window
    $table_config->attach_defaults($config_notebook, 0, 5, 0, 1);
    $table_config->attach_defaults($button_accept, 1, 2, 2, 3);
    $table_config->attach_defaults($button_cancel, 3, 4, 2, 3);
    $config_window->add($table_config);
    
    $config_window->show_all;
    
    #Button Functions
    $button_cancel->signal_connect('clicked' => sub {$config_window->d
+estroy});
    $button_accept->signal_connect('clicked' => sub { my @settings = (
+ ($user = $entry_user->get_text), ($server = $entry_server->get_text)
+ ,($local_waypoint = $entry_local_waypoint->get_text), ($remote_waypo
+int = $entry_remote_waypoint->get_text), ($local_uaspos = $entry_loca
+l_uaspos->get_text), ($remote_uaspos = $entry_remote_uaspos->get_text
+), ($local_uas = $entry_local_uas->get_text), ($remote_uas = $entry_r
+emote_uas->get_text)); save_default(@settings); $config_window->destr
+oy});
    $button_file->signal_connect('clicked' => sub {my $chooser_file = 
+Gtk2::FileChooserDialog->new ( 'Open Config File...', undef, 'open')}
+);
}

#Exit threads
sub exit_threads {
    $die = 1;
    $thread_1->join;
    Gtk2->main_quit;
    return FALSE;
}
    
#save to the file default.cfg when apply is clicked
sub save_default {
    open DEFAULT, '>', 'default.cfg' or die "Could not Open file!! $!"
+;
    for (@_) {
        print DEFAULT "$_\n";
    }
    close DEFAULT;
}

#thread 1; SFTP connection thread
sub sftp{
    $|++;
    while(1){
        if ( $die == 1 ){ goto END };
        if ( $sftp_connect == 1 ){
            my $seconds = 120;
            my %args = (host=> $server, user=>$user, timeout=>$seconds
+);
            my $sftp = Net::SFTP::Foreign->new(%args);
            for(;;){
                if($sftp_connect == 0){ $sftp_connect = 0; last}
                if($die == 1){ goto END };
            }
            undef $sftp;
            $sftp_connect = 0;
        }else { sleep 1 }
    }
    END:
}
}

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In reply to Gtk2: changing system tray icon by deadpickle

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