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package install_gtk; # $Id$

use diagnostics;
use strict;

use ugtk2 qw(:wrappers :helpers :create);
use common;
use lang;
use devices;

#-#####################################################################################
#-INTERN CONSTANT
#-#####################################################################################

my @background;

#- if we're running for the doc team, we want screenshots with
#- a good B&W contrast: we'll override values of our theme
my $theme_overriding_for_doc = q(style "galaxy-default"
{
    base[SELECTED]    = "#E0E0FF"
    base[ACTIVE]      = "#E0E0FF"
    base[PRELIGHT]    = "#E0E0FF"
    bg[SELECTED]      = "#E0E0FF"
    bg[ACTIVE]        = "#E0E0FF"
    bg[PRELIGHT]      = "#E0E0FF"
    text[ACTIVE]      = "#000000"
    text[PRELIGHT]    = "#000000"
    text[SELECTED]    = "#000000"
    fg[SELECTED]      = "#000000"
}

style "white-on-blue"
{
  base[NORMAL] = { 0.93, 0.93, 0.93 }
  bg[NORMAL] = { 0.93, 0.93, 0.93 }
    
  text[NORMAL] = "#000000"
  fg[NORMAL] = "#000000"
}

style "background"
{
  bg[NORMAL] = { 0.93, 0.93, 0.93 }
}

style "background-logo"
{
  bg[NORMAL] = { 0.70, 0.70, 0.70 }
}
widget "*logo*" style "background-logo"

);

#------------------------------------------------------------------------------
sub load_rc {
    my ($o, $name) = @_;

    if (my $f = -r $name ? $name
                         : find { -r $_ } map { "$_/themes-$name.rc" } ("share", $ENV{SHARE_PATH}, dirname(__FILE__))) {
	my @contents = cat_($f);
	$o->{doc} and push @contents, $theme_overriding_for_doc;

	Gtk2::Rc->parse_string(join("\n", @contents));
 	foreach (@contents) {
	    if (/style\s+"background"/ .. /^\s*$/) {
		@background = map { $_ * 255 * 255 } split ',', $1 if /NORMAL.*\{(.*)\}/;
	    }
	}
   }

    if ($::move) {
        #- override selection color since we will not do inverse-video on the text when it's images
	Gtk2::Rc->parse_string(q(
style "galaxy-default"
{
    base[ACTIVE]      = "#CECECE"
    base[SELECTED]    = "#CECECE"
    text[ACTIVE]      = "#000000"
    text[PRELIGHT]    = "#000000"
    text[SELECTED]    = "#000000"
}
));
    }
}

#------------------------------------------------------------------------------
sub load_font {
    my ($o) = @_;

    if (lang::text_direction_rtl()) {
	Gtk2::Widget->set_default_direction('rtl'); 
	my ($x, $y) = $::WizardWindow->get_position;
	my ($width) = $::WizardWindow->get_size;
	$::WizardWindow->move($::rootwidth - $width - $x, $y);
    }

    Gtk2::Rc->parse_string(q(
style "default-font" 
{
   font_name = ") . lang::l2pango_font($o->{locale}{lang}) . q("
}
widget "*" style "default-font"

));
}

#------------------------------------------------------------------------------
sub default_theme {
    my ($o) = @_;
    $::move ? '/usr/share/themes/Galaxy/gtk-2.0/gtkrc' :
    $o->{simple_themes} || $o->{vga16} ? 'blue' : 'galaxy';
}

sub install_theme {
    my ($o) = @_;

    load_rc($o, $o->{theme} ||= default_theme($o));
    load_font($o);
    gtkset_background(@background) if !$::move;
}

#------------------------------------------------------------------------------
sub create_help_window {
    my ($o) = @_;

    my $w;
    if ($w = $o->{help_window}) {
	$w->{window}->foreach(sub { $_[0]->destroy }, undef);
    } else {
	$w = $o->{help_window} = bless {}, 'ugtk2';
	$w->{rwindow} = $w->{window} = Gtk2::Window->new('toplevel');
	$w->{rwindow}->set_uposition($::rootwidth - $::helpwidth, $::rootheight - $::helpheight);
	$w->{rwindow}->set_size_request($::helpwidth, $::helpheight);
	$w->{rwindow}->set_title('skip');
    }
    gtkadd($w->{window}, create_scrolled_window($o->{help_window_text} = Gtk2::TextView->new));
    $w->show;
}