#!/usr/bin/perl
# ^^^ You may need to change this to the location of your perl interpreter
# RemoteBox v0.8 (c) 2010-2011 Ian Chapman. Licenced under the terms of the GPL
use strict;
use warnings;
use FindBin qw($Bin);
use POSIX qw(ceil);
use lib "$Bin/share/remotebox";
use vboxService qw($endpoint $fault :all);
require 'vboxserializers.pl';
require 'rbox_lists.pl';
require 'rbox_enums.pl';
require 'rbox_prefs.pl';
require 'rbox_gui_init.pl';
require 'rbox_newguest.pl';
require 'rbox_gui_edit.pl';
require 'rbox_gui_vmm.pl';
require 'rbox_err.pl';
$|=1;

our (%gui, %signal, %sensgrp, %ETruth, %EAbled, %hostspec, %osfamily, %osversion, %prefs);
$endpoint = 'http://localhost:18083';
$fault = \&vboxerror;
&addrow_log("Welcome to $gui{appname} $gui{appver}.");
&rbprefs_get();
$gui{expanderMessages}->set_expanded($prefs{MSGLOGEXPAND});
Gtk2->main;

sub vboxerror() {
    my ($soap, $res) = @_;
    if ($res->faultstring) { &show_err_msg('webservice', $gui{messagedialogError}, $res->faultstring); }
    else { &show_err_msg('webservice', $gui{messagedialogError}, 'VirtualBox did not return a fault message'); }
}

sub quit_remotebox() {
    &virtualbox_logoff();
    # This must be reset on exit, otherwise garbage collection will fail.
    $gui{menuitemFloppy}->set_submenu(undef);
    $gui{menuitemDVD}->set_submenu(undef);
    $gui{menuitemFloppy}->set_submenu($gui{menutmp1});
    $gui{menuitemDVD}->set_submenu($gui{menutmp2});
    Gtk2->main_quit; # Supposedly deprecated but segfaults on newer systems if just exit is used
}

sub virtualbox_logon() {
    my ($url, $user, $password) = @_;
    &virtualbox_logoff(); # Ensure we disconnect from an existing connection
    $endpoint = $url;
    eval { $gui{websn} = IWebsessionManager_logon($user, $password); }
}

sub virtualbox_logoff() {
    if ($gui{websn}) {
        eval{ IWebsessionManager_logoff($gui{websn}) };
        $gui{websn} = undef;
    }
    &sensitive_off(@{ $sensgrp{unselected} });
    &sensitive_off(@{ $sensgrp{connect} });
    &clr_list_guest();
    $gui{textbufferDescription}->set_text('');
}

sub show_connect_dialog() {
    &clr_list($gui{liststoreConnectURL}, $gui{liststoreConnectUser});
    &addrow_list($gui{liststoreConnectURL}, 0, $_) foreach (keys (%{$prefs{URL}}));
    &addrow_list($gui{liststoreConnectUser}, 0, $_) foreach (keys(%{$prefs{USER}}));
    my $response = $gui{dialogConnect}->run;
    $gui{dialogConnect}->hide;
    $gui{dialogConnect}->get_display->flush;

    if ($response eq 'ok') {
        my $url = $gui{comboboxentryConnectURL}->get_active_text();
        my $user = $gui{comboboxentryConnectUser}->get_active_text();
        $url = $endpoint if (!$url);
        $url = "http://$url" if ($url !~ m/^.+:\/\//);
        $url = "$url:18083" if ($url !~ m/:\d+$/);

        if ($gui{checkbuttonConnectSave}->get_active()) {
            $prefs{URL}{$url} = 'URL' if ($url);
            $prefs{USER}{$user} = 'USER' if ($user);
            &rbprefs_save();
        }

        &virtualbox_logon($url, $user, $gui{entryConnectPassword}->get_text());

        if (!$gui{websn}) { &show_err_msg('connect', $gui{messagedialogError}, " ($url)"); }
        else {
            # Some VBox versions still 'log you in' but you can't do anything, so do a basic version test
            my $ver = IVirtualBox_getVersion($gui{websn});

            if (!$ver) {
                &show_err_msg('auth', $gui{messagedialogError}, " ($url)");
                &virtualbox_logoff();
            }
            else {
                &addrow_log("Logged onto $endpoint running VirtualBox $ver.");
                &show_err_msg('vboxver', $gui{messagedialogWarning}, "\nDetected Version: $ver") if ($ver !~ m/^4.0/);
                &populate_hostspec();
                &populate_ostypes();
                &fill_list_guest();
                &sensitive_on(@{ $sensgrp{connect} });
            }
        }
    }
}

sub show_about_dialog() {
    $gui{aboutdialog}->run;
    $gui{aboutdialog}->hide;
}

sub show_customvideo_dialog() {
    $gui{spinbuttonCustomVideoW}->set_value(640);
    $gui{spinbuttonCustomVideoH}->set_value(480);
    $gui{dialogCustomVideo}->run;
    $gui{dialogCustomVideo}->hide;

    my %res = (w => int($gui{spinbuttonCustomVideoW}->get_value()),
               h => int($gui{spinbuttonCustomVideoH}->get_value()),
               d => &getsel_combo($gui{comboboxCustomVideoD}, 1));

    return %res;
}

sub show_serverinfo_dialog() {
    &fill_list_serverinfo();
    $gui{dialogServerInfo}->run;
    $gui{dialogServerInfo}->hide;
}

sub show_snapshotdetails_dialog() {
    my %snap = &getsel_list_snapshots();
    $gui{entrySnapshotName}->set_text(ISnapshot_getName($snap{ISnapshot}));
    $gui{textbufferSnapshotDescription}->set_text(ISnapshot_getDescription($snap{ISnapshot}));
    my $response = $gui{dialogSnapshot}->run;
    $gui{dialogSnapshot}->hide;

    if ($response eq 'ok') {
        my $iter_s = $gui{textbufferSnapshotDescription}->get_start_iter();
        my $iter_e = $gui{textbufferSnapshotDescription}->get_end_iter();
        ISnapshot_setDescription($snap{ISnapshot}, $gui{textbufferSnapshotDescription}->get_text($iter_s, $iter_e, 0));
        ISnapshot_setName($snap{ISnapshot}, $gui{entrySnapshotName}->get_text());
        &fill_list_snapshots();
    }
}

sub show_snapshot_dialog() {
    my ($widget) = @_; # Need to reuse dialog for snapshot details
    $gui{entrySnapshotName}->set_text('Snapshot');
    $gui{textbufferSnapshotDescription}->set_text('');
    my $response = $gui{dialogSnapshot}->run();
    $gui{dialogSnapshot}->hide();

    if ($response eq 'ok') {
        my $iter_s = $gui{textbufferSnapshotDescription}->get_start_iter();
        my $iter_e = $gui{textbufferSnapshotDescription}->get_end_iter();
        &take_snapshot($gui{entrySnapshotName}->get_text(), $gui{textbufferSnapshotDescription}->get_text($iter_s, $iter_e, 0));
    }
}

sub reset_guest() {
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        IConsole_reset($IConsole);
        ISession_unlockMachine($ISession);
        &addrow_log("Reset signal sent to $guest{Name}.");
    }
}

sub stop_guest() {
    if ($prefs{STOPTYPE} eq 'ACPI') { &stop_guest_acpi(); }
    elsif ($prefs{STOPTYPE} eq 'STATE') { &stop_guest_savestate(); }
    else { &stop_guest_poweroff(); }
}

sub stop_guest_poweroff() {
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        my $IProgress = IConsole_powerDown($IConsole);
        &show_progress_window2($IProgress, "Powering off $guest{Name}...", $gui{windowMain}, $guest{IMachine}, 'PoweredOff');
    }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
    &addrow_log("Power off signal sent to $guest{Name}.");
    &fill_list_guest();
}

sub stop_guest_acpi() {
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        IConsole_powerButton($IConsole);
    }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
    &addrow_log("APCI shutdown signal sent to $guest{Name}.");
    &fill_list_guest();
}

sub stop_guest_savestate() {
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        my $IProgress = IConsole_saveState($IConsole);
        &show_progress_window2($IProgress, "Saving state of $guest{Name}...", $gui{windowMain}, $guest{IMachine}, 'Saved');
    }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
    &fill_list_guest();
    &addrow_log("Saved the state of $guest{Name}.");
}

sub pause_guest() {
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        IConsole_pause($IConsole);
    }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
    &fill_list_guest();
    &addrow_log("Paused the state of $guest{Name}.");
}

sub resume_guest() {
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        IConsole_resume($IConsole);
    }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
    &fill_list_guest();
    &addrow_log("Resumed the state of $guest{Name}.");
}

sub start_guest() {
    my %guest = &getsel_list_guest();
    my $ISession = IWebsessionManager_getSessionObject($gui{websn});
    my $IProgress = IMachine_launchVMProcess($guest{IMachine}, $ISession, 'headless', "");
    my $started = 0;

    if ($IProgress) {
        my $resultcode = &show_progress_window($IProgress, "Starting $guest{Name}...", 'cancel', $gui{windowMain});

        if ( $resultcode != 0) {
           my $IVirtualBoxErrorInfo = IProgress_getErrorInfo($IProgress);
           &show_err_msg('startguest', $gui{messagedialogError},
                         "Guest: $guest{Name}\nCode: $resultcode\nError:\n" . IVirtualBoxErrorInfo_getText($IVirtualBoxErrorInfo));
        }
        else {
            $started = 1; # Most likely the guest started
            &addrow_log("Start signal sent to $guest{Name}.");
        }

    }
    else { &show_err_msg('sessionopen', $gui{messagedialogError}, " ($guest{Name})"); }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
    if ($prefs{RDPAUTOOPEN} and $started) { &open_remote_display(); }
    &fill_list_guest();
}

sub delete_guest() {
    my %guest = &getsel_list_guest();
    my $response = $gui{dialogDeleteGuest}->run;
    $gui{dialogDeleteGuest}->hide;

    if ($response eq 'ok') {
        my @IMedium = IMachine_unregister($guest{IMachine}, 'DetachAllReturnHardDisksOnly');

        foreach my $medium (@IMedium) {
            my $IProgress = IMachine_delete($guest{IMachine}, $medium);
            &show_progress_window($IProgress, "Deleting a disk image from $guest{Name}...", 0, $gui{windowMain});
        }

        &addrow_log("Deleted $guest{Name}.");
        &fill_list_guest();
    }
}

sub recurse_snapshot() {
    my ($ISnapshot, $iter, $ISnapshot_current) = @_;
    my $citer = $gui{treestoreSnapshots}->append($iter);
    my $snapname = ISnapshot_getName($ISnapshot);
    my $date = scalar(localtime((ISnapshot_getTimeStamp($ISnapshot))/1000)); # VBox returns msecs so / 1000
    if ($ISnapshot_current and $ISnapshot eq $ISnapshot_current) { $snapname = "$snapname (Current State)"; }
    $gui{treestoreSnapshots}->set($citer, 0, $snapname, 1, $date, 2, $ISnapshot);
    my @snapshots = ISnapshot_getChildren($ISnapshot);
    if (@snapshots > 0) { &recurse_snapshot($_, $citer, $ISnapshot_current) foreach (@snapshots); }
}

sub restore_snapshot() {
    my %guest = &getsel_list_guest();
    my ($ISession, $IMachineM) = &get_mutable_session($guest{IMachine});

    if ($ISession) {
        my %snap = &getsel_list_snapshots();
        my $IConsole = ISession_getConsole($ISession);
        my $IProgress = IConsole_restoreSnapshot($IConsole, $snap{ISnapshot});
        &show_progress_window($IProgress, "Restoring $guest{Name} to $snap{Name}...", 0, $gui{windowMain});
        &addrow_log("Snapshot of $guest{Name} restored.");
        &fill_list_snapshots();
    }
    else { &show_err_msg('restorefail', $gui{messagedialogError}, " ($guest{Name})"); }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
}

sub delete_snapshot() {
    my %guest = &getsel_list_guest();
    my $ISession = IWebsessionManager_getSessionObject($gui{websn});
    IMachine_lockMachine($guest{IMachine}, $ISession, 'Shared');

    if ($ISession) {
        my %snap = &getsel_list_snapshots();
        my $snapuuid = ISnapshot_getId($snap{ISnapshot});
        my $IConsole = ISession_getConsole($ISession);
        my $IProgress = IConsole_deleteSnapshot($IConsole, $snapuuid);
        &show_progress_window($IProgress, "Deleting snapshot of $guest{Name}...", 0, $gui{windowMain});
        &addrow_log("Snapshot of $guest{Name} deleted.");
        &fill_list_snapshots();
    }
    else { &show_err_msg('snapdelete', $gui{messagedialogError}, " ($guest{Name})"); }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
}

sub take_snapshot() {
    my ($name, $description) = @_;
    $name = 'Snapshot' if (!$name);
    my %guest = &getsel_list_guest();
    my $ISession = IWebsessionManager_getSessionObject($gui{websn});
    IMachine_lockMachine($guest{IMachine}, $ISession, 'Shared');

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        my $IProgress = IConsole_takeSnapshot($IConsole, $name, $description);
        &show_progress_window($IProgress, "Taking snapshot of $guest{Name}...", 0, $gui{windowMain});
        &addrow_log("Created a new snapshot of $guest{Name}.");
        &fill_list_snapshots();
    }
    else { &show_err_msg('snapshotfail', $gui{messagedialogError}, " ($guest{Name})"); }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
}

sub open_remote_display() {
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        my $IVRDEServerInfo = IConsole_getVRDEServerInfo($IConsole);
        ISession_unlockMachine($ISession);

        if ($$IVRDEServerInfo{port} > 0) {
            my $rdpcmd = $prefs{RDPCLIENT};
            my ($user, $pass) = ($gui{comboboxentryConnectUser}->get_active_text(), $gui{entryConnectPassword}->get_text());
            my $dst = $endpoint;
            $dst =~ s/^.*:\/\///;
            $dst =~ s/:\d+$//;
            $rdpcmd =~ s/%h/$dst/g;
            $rdpcmd =~ s/%p/$$IVRDEServerInfo{port}/g;
            $rdpcmd =~ s/%n/$guest{Name}/g;
            $rdpcmd =~ s/%o/$guest{Os}/g;
            $rdpcmd =~ s/%U/$user/g;
            $rdpcmd =~ s/%P/$pass/g;
            system("$rdpcmd &");
            &addrow_log("Sent request to open remote display: $dst:$$IVRDEServerInfo{port}");
        }
        else { &show_err_msg('remotedisplay', $gui{messagedialogError}, " ($guest{Name})"); }
    }
}

sub populate_hostspec() {
    my $IHost = IVirtualBox_getHost($gui{websn});
    my $ISystemProperties = IVirtualBox_getSystemProperties($gui{websn});
    %hostspec = (vbver        => IVirtualBox_getVersion($gui{websn}),
                 buildrev     => IVirtualBox_getRevision($gui{websn}),
                 pkgtype      => IVirtualBox_getPackageType($gui{websn}),
                 settingsfile => IVirtualBox_getSettingsFilePath($gui{websn}),
                 os           => IHost_getOperatingSystem($IHost),
                 osver        => IHost_getOSVersion($IHost),
                 maxhostcpuon => IHost_getProcessorOnlineCount($IHost),
                 cpudesc      => IHost_getProcessorDescription($IHost),
                 cpuspeed     => IHost_getProcessorSpeed($IHost),
                 memsize      => IHost_getMemorySize($IHost),
                 machinedir   => ISystemProperties_getDefaultMachineFolder($ISystemProperties),
                 maxhdsize    => ISystemProperties_getInfoVDSize($ISystemProperties),
                 maxnet       => ISystemProperties_getNetworkAdapterCount($ISystemProperties),
                 maxser       => ISystemProperties_getSerialPortCount($ISystemProperties),
                 minguestcpu  => ISystemProperties_getMinGuestCPUCount($ISystemProperties),
                 maxguestcpu  => ISystemProperties_getMaxGuestCPUCount($ISystemProperties),
                 minguestram  => ISystemProperties_getMinGuestRAM($ISystemProperties),
                 maxguestram  => ISystemProperties_getMaxGuestRAM($ISystemProperties),
                 minguestvram => ISystemProperties_getMinGuestVRAM($ISystemProperties),
                 maxguestvram => ISystemProperties_getMaxGuestVRAM($ISystemProperties),
                 maxbootpos   => ISystemProperties_getMaxBootPosition($ISystemProperties),
                 maxmonitors  => ISystemProperties_getMaxGuestMonitors($ISystemProperties));
}

sub populate_ostypes() {
    my @IGuestOSType = IVirtualBox_getGuestOSTypes($gui{websn});
    %osfamily=();
    %osversion=();

    foreach my $type (@IGuestOSType) {
        if (!defined($osfamily{$$type{familyId}})) {
            $osfamily{$$type{familyId}} = {};
            $osfamily{$$type{familyId}}{verids} = ();
            $osfamily{$$type{familyId}}{icon} = Gtk2::Gdk::Pixbuf->new_from_file("$Bin/share/remotebox/icons/os/$$type{familyId}.png");
        }

        $osfamily{$$type{familyId}}{description} = $$type{familyDescription};
        push @{ $osfamily{$$type{familyId}}{verids} }, $$type{id};
        $osversion{$$type{id}} = {} if (!defined($osversion{$$type{id}}));
        $osversion{$$type{id}}{description} = $$type{description};
        $osversion{$$type{id}}{adapterType} = $$type{adapterType};
        $osversion{$$type{id}}{recommendedHDD} = $$type{recommendedHDD};
        $osversion{$$type{id}}{is64Bit} = $$type{is64Bit};
        $osversion{$$type{id}}{recommendedVirtEx} = $$type{recommendedVirtEx};
        $osversion{$$type{id}}{recommendedIOAPIC} = $$type{recommendedIOAPIC};
        $osversion{$$type{id}}{recommendedVRAM} = $$type{recommendedVRAM};
        $osversion{$$type{id}}{recommendedRAM} = $$type{recommendedRAM};
        $osversion{$$type{id}}{recommendedHpet} = $$type{recommendedHpet};
        $osversion{$$type{id}}{recommendedUsbHid} = $$type{recommendedUsbHid};
        $osversion{$$type{id}}{recommendedVirtEx} = $$type{recommendedVirtEx};
        $osversion{$$type{id}}{recommendedPae} = $$type{recommendedPae};
        $osversion{$$type{id}}{recommendedUsbTablet} = $$type{recommendedUsbTablet};
        $osversion{$$type{id}}{recommendedHdStorageBus} = $$type{recommendedHdStorageBus};
        $osversion{$$type{id}}{recommendedFirmware} = $$type{recommendedFirmware};
        $osversion{$$type{id}}{recommendedDvdStorageBus} = $$type{recommendedDvdStorageBus};
        $osversion{$$type{id}}{recommendedHdStorageController} = $$type{recommendedHdStorageController};
        $osversion{$$type{id}}{recommendedDvdStorageController} = $$type{recommendedDvdStorageController};
        $osversion{$$type{id}}{recommendedRtcUseUtc} = $$type{recommendedRtcUseUtc};
        $osversion{$$type{id}}{familyId} = $$type{familyId};
        if (-e "$Bin/share/remotebox/icons/os/$$type{id}.png") { $osversion{$$type{id}}{icon} = Gtk2::Gdk::Pixbuf->new_from_file("$Bin/share/remotebox/icons/os/$$type{id}.png"); }
        else { $osversion{$$type{id}}{icon} = $gui{pixbufotheros}; }
    }
}

# Saves the guest's description
sub set_guest_description() {
    my %guest = &getsel_list_guest();
    my ($ISession, $IMachineM) = &get_mutable_session($guest{IMachine});

    if ($ISession) {
        my $iter_s = $gui{textbufferDescription}->get_start_iter();
        my $iter_e = $gui{textbufferDescription}->get_end_iter();
        IMachine_setDescription($IMachineM, $gui{textbufferDescription}->get_text($iter_s, $iter_e, 0));
        IMachine_saveSettings($IMachineM);
        &addrow_log("Saved description of $guest{Name}.");
    }
    else { &show_err_msg('savedesc', $gui{messagedialogWarning}, " ($guest{Name})"); }

    ISession_unlockMachine($ISession) if (ISession_getState($ISession) ne 'Unlocked');
}

sub show_rmb_menu() {
    my ($widget, $event) = @_;
    my %guest = &getsel_list_guest();
    # Only show floppy/DVD menus if guest has them. Using Medium attachments to test for the drive's
    # existence, works because even empty Drives still have an attachment.
    if ($guest{IMachine}) { # in case button is clicked on an empty list
        &sensitive_off($gui{menuitemFloppy}, $gui{menuitemDVD});
        my @IMediumAttachment = IMachine_getMediumAttachments($guest{IMachine});

        foreach my $attach (@IMediumAttachment) {
            &sensitive_on($gui{menuitemDVD}) if ($$attach{type} eq 'DVD');
            &sensitive_on($gui{menuitemFloppy}) if ($$attach{type} eq 'Floppy');
        }

        #$gui{menuTG}->popup(undef, undef, undef, undef, 0, $event->time) if ($event->button == 3);
    }

    if ($widget ne $gui{menuitemMachine}) {
        $gui{menuMachine}->popup(undef, undef, undef, undef, 0, $event->time) if ($event->button == 3);

    }


    #$gui{menuMachine}->popup(undef, undef, undef, undef, 0, $event->time) if ($event->button == 3);

    return 0;
}

# Called when parent DVD menu is highlighted. Cheaper than calling each time main menu is opened
sub fill_dvd_menu() {
    # Hijack the submenu from the temporary one (gets restored on exit)
    my $dvdmenu = Gtk2::Menu->new();
    $gui{menuitemDVD}->set_submenu($dvdmenu);
    my %IMediumDVD = &get_all_media('DVD');
    my $item = Gtk2::MenuItem->new_with_label('Unmount CD/DVD');
    $dvdmenu->append($item);
    $item->show();
    $item->signal_connect(activate => \&mount_dvd, '');
    my $sep = Gtk2::SeparatorMenuItem->new();
    $dvdmenu->append($sep);
    $sep->show();

    foreach my $medium (sort { lc($a) cmp lc($b) } (keys %IMediumDVD)) {
        my $item = Gtk2::MenuItem->new_with_label($medium);
        $dvdmenu->append($item);
        $item->show();
        $item->signal_connect(activate => \&mount_dvd, $IMediumDVD{$medium});
    }
}

# Called when parent Floppy menu is highlighted. Cheaper than calling each time main menu is opened
sub fill_floppy_menu() {
    # Hijack the submenu from the temporary one (gets restored on exit)
    my $floppymenu = Gtk2::Menu->new();
    $gui{menuitemFloppy}->set_submenu($floppymenu);
    my %IMediumFloppy = &get_all_media('Floppy');
    my $item = Gtk2::MenuItem->new_with_label('Unmount Floppy');
    $floppymenu->append($item);
    $item->show();
    $item->signal_connect(activate => \&mount_floppy, '');
    my $sep = Gtk2::SeparatorMenuItem->new();
    $floppymenu->append($sep);
    $sep->show();

    foreach my $medium (sort { lc($a) cmp lc($b) } (keys %IMediumFloppy)) {
        my $item = Gtk2::MenuItem->new_with_label($medium);
        $floppymenu->append($item);
        $item->show();
        $item->signal_connect(activate => \&mount_floppy, $IMediumFloppy{$medium});
    }
}

sub mount_dvd() {
    my ($widget, $IMedium) = @_;
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IMachineM = ISession_getMachine($ISession);
        my $IConsole = ISession_getConsole($ISession);

        my @IMediumAttachment = IMachine_getMediumAttachments($IMachineM);
        foreach my $attach (@IMediumAttachment) {
            next if ($$attach{type} ne 'DVD');
            IMachine_mountMedium($IMachineM, $$attach{controller}, $$attach{port}, $$attach{device}, $IMedium, 1);
            last;
        }
        IMachine_saveSettings($IMachineM);
        ISession_unlockMachine($ISession);
    }
}

sub mount_floppy() {
    my ($widget, $IMedium) = @_;
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IMachineM = ISession_getMachine($ISession);
        my $IConsole = ISession_getConsole($ISession);

        my @IMediumAttachment = IMachine_getMediumAttachments($IMachineM);
        foreach my $attach (@IMediumAttachment) {
            next if ($$attach{type} ne 'Floppy');
            IMachine_mountMedium($IMachineM, $$attach{controller}, $$attach{port}, $$attach{device}, $IMedium, 1);
            last;
        }
        IMachine_saveSettings($IMachineM);
        ISession_unlockMachine($ISession);
    }
}

sub keyboard_CAD() {
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        my $IKeyboard = IConsole_getKeyboard($IConsole);
        IKeyboard_putCAD($IKeyboard);
        &addrow_log("Sent Ctrl-Alt-Delete to $guest{Name}");
        ISession_unlockMachine($ISession);
    }
}

sub keyboard_send() {
    my ($widget) = @_;
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});
    my @scancodes;

    if ($widget eq $gui{menuitemKeyboardCAF1}) { @scancodes = (29, 56, 59, 157, 184, 187); }
    elsif ($widget eq $gui{menuitemKeyboardCAF2}) { @scancodes = (29, 56, 60, 157, 184, 188); }
    elsif ($widget eq $gui{menuitemKeyboardCAF3}) { @scancodes = (29, 56, 61, 157, 184, 189); }
    elsif ($widget eq $gui{menuitemKeyboardCAF7}) { @scancodes = (29, 56, 65, 157, 184, 193); }
    elsif ($widget eq $gui{menuitemKeyboardCAF12}) { @scancodes = (29, 56, 88, 157, 184, 216); }
    elsif ($widget eq $gui{menuitemKeyboardCABS}) { @scancodes = (29, 56, 14, 157, 184, 142); }
    elsif ($widget eq $gui{menuitemKeyboardCTRLC}) { @scancodes = (29, 46, 157, 174); }
    elsif ($widget eq $gui{menuitemKeyboardCTRLD}) { @scancodes = (29, 32, 157, 160); }

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        my $IKeyboard = IConsole_getKeyboard($IConsole);
        IKeyboard_putScancode($IKeyboard, $_) foreach (@scancodes);
        &addrow_log("Sent key sequence to $guest{Name}");
        ISession_unlockMachine($ISession);
    }
}

sub update_vidmeminfo() {
    my $w = int($gui{spinbuttonCustomVideoW}->get_value());
    my $h = int($gui{spinbuttonCustomVideoH}->get_value());
    my $d = &getsel_combo($gui{comboboxCustomVideoD}, 1);

    my $vidmem = ceil(($w * $h * $d) / 8388608);
    $gui{labelCustomVideoInfo}->set_text("Ensure the guest has at least $vidmem MiB of Video RAM for this mode");
}


sub setvideohint() {
    my ($widget) = @_;
    my %guest = &getsel_list_guest();
    my $ISession = &get_existing_session($guest{IMachine});
    my %res;

    if ($widget eq $gui{menuitemSetVideo1}) { %res = (w => 800, h => 600, d => 32); }
    elsif ($widget eq $gui{menuitemSetVideo2}) { %res = (w => 1024, h => 768, d => 32); }
    elsif ($widget eq $gui{menuitemSetVideo3}) { %res = (w => 1280, h => 1024, d => 32); }
    elsif ($widget eq $gui{menuitemSetVideo4}) { %res = (w => 1400, h => 1050, d => 32); }
    elsif ($widget eq $gui{menuitemSetVideo5}) { %res = (w => 1600, h => 1200, d => 32); }
    elsif ($widget eq $gui{menuitemSetVideo6}) { %res = (w => 1440, h => 900, d => 32); }
    elsif ($widget eq $gui{menuitemSetVideo7}) { %res = (w => 1680, h => 1050, d => 32); }
    elsif ($widget eq $gui{menuitemSetVideo8}) { %res = (w => 1920, h => 1200, d => 32); }
    elsif ($widget eq $gui{menuitemSetVideoCustom}) { %res = &show_customvideo_dialog(); }
    else { %res = (w => 640, h => 480, d => 32); }

    if ($ISession) {
        my $IConsole = ISession_getConsole($ISession);
        my $IDisplay = IConsole_getDisplay($IConsole);
        IDisplay_setVideoModeHint($IDisplay, $res{w}, $res{h}, $res{d}, 0);
        &addrow_log("Sent video mode hint to $guest{Name}");
        ISession_unlockMachine($ISession);
    }
}


# Return a hash of media with key as name (useful for sorting)
sub get_all_media() {
    my ($type) = @_;
    my @IMedium;
    my %media;

    if ($type eq 'DVD') { @IMedium = IVirtualBox_getDVDImages($gui{websn}); }
    elsif ($type eq 'Floppy') { @IMedium = IVirtualBox_getFloppyImages($gui{websn}); }
    else { @IMedium = IVirtualBox_getHardDisks($gui{websn}); }

    foreach my $medium (@IMedium) { $media{IMedium_getName($medium)} = $medium; }

    return %media;
}

# Determines the next free port on a controller
sub get_free_deviceport() {
    my ($IMachine, $IStorCtr) = @_;
    my @free = (-1, -1);
    my @used;
    my $ctrname = IStorageController_getName($IStorCtr);
    my @IMediumAttachment = IMachine_getMediumAttachmentsOfController($IMachine, $ctrname);
    my $hiport = (IStorageController_getMaxPortCount($IStorCtr)) - 1;
    my $hidev = (IStorageController_getMaxDevicesPerPortCount($IStorCtr)) - 1;
    # Get a list of all used ports
    foreach my $attach (@IMediumAttachment) { $used[$$attach{device}][$$attach{port}] = $attach; }

    foreach my $dev (0..$hidev) {
        last if ($free[0] != -1);

        foreach my $port (0..$hiport) {
            next if ($used[$dev][$port]);
            $free[0] = $dev;
            $free[1] = $port;
            last;
        }
    }

    return @free;
}

# Returns a mutable IMachine and corresponding session, otherwise returns 0 if
# one cannot be obtained.
sub get_mutable_session() {
    my ($IMachine) = @_;
    my ($ISession, $IMachineM) = (0, 0);

    if (IMachine_getSessionState($IMachine) eq 'Unlocked') {
        $ISession = IWebsessionManager_getSessionObject($gui{websn});
        IMachine_lockMachine($IMachine, $ISession, 'Write');
        $IMachineM = ISession_getMachine($ISession);
    }

    return $ISession, $IMachineM;
}

# Opens an existing session but only if the guest is running otherwise it will
# still return a session if a guest is having its settings edited for example
sub get_existing_session() {
    my ($IMachine) = @_;
    my $ISession = 0;
    my $state = IMachine_getState($IMachine);

    if (IMachine_getSessionState($IMachine) eq 'Locked' and ($state eq 'Running' or $state eq 'Paused')) {
        $ISession = IWebsessionManager_getSessionObject($gui{websn});
        IMachine_lockMachine($IMachine, $ISession, 'Shared');
    }

    return $ISession;
}

# Simple sub which returns only the path component, based upon what the server is.
sub get_path_only() {
    my ($location) = @_;

    if ($hostspec{os} =~ m/Windows/i) {
        $location =~ m!^(.*)\\.*$!;
        $location = $1;
    }
    else { # All other operating systems use / as delim
        $location =~ m!^(.*)/.*$!;
        $location = $1;
    }

    return $location
}

sub show_manual() {
    if ($^O =~ m/darwin/i) { system(qq[open "$Bin/docs/remotebox.pdf" &]); }
    else { system(qq[xdg-open "$Bin/docs/remotebox.pdf" &]); }
}

# Converts bytes into a human readable format with unit
sub bytesToX() {
    my ($bytes) = @_;
    my $unit;
    my $val;

    if ($bytes < 1024) {
        $unit = 'Bytes';
        $val = $bytes;
    }
    elsif ($bytes < 1048576) {
        $unit = 'KiB';
        $val = $bytes / 1024;
    }
    elsif ($bytes < 1073741824) {
        $unit = 'MiB';
        $val = $bytes / 1048576;
    }
    elsif ($bytes < 1099511627776) {
        $unit = 'GiB';
        $val = $bytes / 1073741824;
    }
    else {
        $unit = 'TiB';
        $val = $bytes / 1099511627776;
    }

    $val = sprintf('%0.2f', $val) if ($unit ne 'Bytes');
    return "$val $unit";
}

