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package gurpmi;

#- Copyright (C) 2005 MandrakeSoft SA
#- Copyright (C) 2005, 2006 Mandriva SA
#- $Id$

#- This is needed because text printed by Gtk2 will always be encoded
#- in UTF-8; we first check if LC_ALL is defined, because if it is,
#- changing only LC_COLLATE will have no effect.
use POSIX();
use locale;
my $collation_locale = $ENV{LC_ALL};
if ($collation_locale) {
    $collation_locale =~ /UTF-8/ or POSIX::setlocale(POSIX::LC_ALL(), "$collation_locale.UTF-8");
} else {
    $collation_locale = POSIX::setlocale(POSIX::LC_COLLATE());
    $collation_locale =~ /UTF-8/ or POSIX::setlocale(POSIX::LC_COLLATE(), "$collation_locale.UTF-8");
}

use urpm;
use strict;
use Gtk2;
use urpm::util;
use urpm::msg;
use urpm::args;
use urpm::select;
use Locale::gettext;

Locale::gettext::bind_textdomain_codeset('urpmi', 'UTF8');
URPM::bind_rpm_textdomain_codeset();

use Exporter;
our @ISA = qw(Exporter);
our @EXPORT = qw(create_scrolled_window fatal but quit add_button_box new_label N);

urpm::select::add_packages_to_priority_upgrade_list('gurpmi');

sub usage () {
    print N("urpmi version %s
Copyright (C) 1999-2008 Mandriva.
This is free software and may be redistributed under the terms of the GNU GPL.

usage:
", $urpm::VERSION) . "    gurpmi <rpm> [ <rpm>... ]
" . N("Options :") . "\n"
 . N("  --help         - print this help message.
") . N("  --auto         - non-interactive mode, assume default answers to questions.
") . N("  --auto-select  - automatically select packages to upgrade the system.
") . N("  --force        - force invocation even if some packages do not exist.
") . N("  --verify-rpm   - verify rpm signature before installation
                   (--no-verify-rpm disables it, default is enabled).
") . N("  --media        - use only the given media, separated by comma.
") . N("  --root         - use another root for rpm installation.
") . N("  --test         - only verify if the installation can be achieved correctly.
") . N("  --searchmedia  - use only the given media to search requested packages.
");
    exit 0;
}

#- fatal gurpmi initialisation error (*not* fatal urpmi errors)
sub fatal { my $s = $_[0]; print STDERR "$s\n"; exit 1 }

#- Parse command line
#- puts options in %gurpmi::options
#- puts bare names (not rpm filenames) in @gurpmi::names
sub parse_command_line() {
    my @all_rpms;
    our %options;
    our @names;

    # keep a copy for gurpmi2
    {
        local @ARGV = @ARGV;
        urpm::args::parse_cmdline(urpm => { options => \%options});
    }

    # Expand *.urpmi arguments
    my @ARGV_expanded;
    foreach my $a (@ARGV) {
	if ($a =~ /\.urpmi$/) {
	    open my $fh, '<', $a or do { warn "Can't open $a: $!\n"; next };
	    push @ARGV_expanded, map { chomp; $_ } <$fh>;
	    close $fh;
	} else {
	    push @ARGV_expanded, $a;
	}
    }
    foreach (@ARGV_expanded) {
	next if /^-/;
	if (-f $_) {
	    push @all_rpms, $_;
	} else {
	    push @names, $_;
	}
	
    }
    $::auto_select || @all_rpms + @names
	or fatal(N("No packages specified"));
    return @all_rpms;
}

sub but ($) { "    $_[0]    " }

sub quit () { Gtk2->main_quit }

sub add_button_box {
    my ($vbox, @buttons) = @_;
    my $hbox = Gtk2::HButtonBox->new;
    $vbox->pack_start($hbox, 0, 0, 0);
    $hbox->set_layout('edge');
    $_->set_alignment(0.5, 0.5), $hbox->add($_) foreach @buttons;
}

sub new_label {
    my ($msg) = @_;
    my $label = Gtk2::Label->new($msg);
    $label->set_line_wrap(1);
    $label->set_alignment(0.5, 0.5);
    if (($msg =~ tr/\n/\n/) > 5) {
	my $sw = create_scrolled_window($label, [ 'never', 'automatic' ]);
	$sw->set_size_request(-1,200);
	return $sw;
    } else {
	return $label;
    }
}

# copied from ugtk2:
sub create_scrolled_window {
    my ($W, $o_policy, $o_viewport_shadow) = @_;
    my $w = Gtk2::ScrolledWindow->new(undef, undef);
    $w->set_policy($o_policy ? @$o_policy : ('automatic', 'automatic'));
    if (member(ref($W), qw(Gtk2::Layout Gtk2::Html2::View Gtk2::Text Gtk2::TextView Gtk2::TreeView))) {
	$w->add($W);
    } else {
	$w->add_with_viewport($W);
    }
    $o_viewport_shadow and $w->child->set_shadow_type($o_viewport_shadow);
    $W->can('set_focus_vadjustment') and $W->set_focus_vadjustment($w->get_vadjustment);
    $W->set_left_margin(6) if ref($W) =~ /Gtk2::TextView/;
    $W->show;
    if (ref($W) =~ /Gtk2::TextView|Gtk2::TreeView/) {
	my $f = Gtk2::Frame->new;
	$w->show; # unlike ugtk2, we'd to do this explicitely...
	$f->set_shadow_type('in');
     $f->add($w);
     $f;
    } else {
	$w;
    }
}

1;