- Big Move 1: interactive::* hierarchy

1 files changed, 636 insertions, 0 deletions

diff --git a/perl-install/interactive/gtk.pm b/perl-install/interactive/gtk.pm
new file mode 100644
index 000000000..8c71711ef
--- /dev/null
+++ b/perl-install/interactive/gtk.pm
@@ -0,0 +1,636 @@
+package interactive::gtk; # $Id$
+
+use diagnostics;
+use strict;
+use vars qw(@ISA);
+
+@ISA = qw(interactive);
+
+use interactive;
+use common;
+use my_gtk qw(:helpers :wrappers);
+
+my $forgetTime = 1000; #- in milli-seconds
+
+sub new {
+    ($::windowheight, $::windowwidth) = my_gtk::gtkroot()->get_size if !$::isInstall;
+    goto &interactive::new;
+}
+sub enter_console { my ($o) = @_; $o->{suspended} = common::setVirtual(1) }
+sub leave_console { my ($o) = @_; common::setVirtual(delete $o->{suspended}) }
+
+sub exit { 
+    gtkset_mousecursor_normal(); #- for restoring a normal in any case on standalone
+    my_gtk::flush();
+    $::isEmbedded and kill 10, $::CCPID; #10 is USR1
+    c::_exit($_[1]) #- workaround 
+}
+
+sub ask_warn {
+    local $my_gtk::pop_it = 1;
+    &interactive::ask_warn;
+}
+
+sub ask_fileW {
+    my ($o, $title, $dir) = @_;
+    my $w = my_gtk->new($title);
+    $dir .= '/' if $dir !~ m|/$|;
+    my_gtk::_ask_file($w, $title, $dir); 
+    $w->main;
+}
+
+sub create_boxradio {
+    my ($e, $may_go_to_next, $changed, $double_click) = @_;
+    my @l = map { may_apply($e->{format}, $_) } @{$e->{list}};
+
+    my $boxradio = gtkpack2__(new Gtk::VBox(0, 0),
+			      my @radios = gtkradio('', @l));
+    $boxradio->show;
+    my $tips = new Gtk::Tooltips;
+    mapn {
+	my ($txt, $w) = @_;
+	$w->signal_connect(button_press_event => $double_click) if $double_click;
+
+	$w->signal_connect(key_press_event => sub {
+            my ($w, $event) = @_;
+	    $may_go_to_next->($w, $event, 'tab');
+	    1;
+	});
+	$w->signal_connect(clicked => sub {
+ 	    ${$e->{val}} = $txt;
+	    &$changed;
+        });
+	if ($e->{help}) {
+	    gtkset_tip($tips, $w,
+		       ref($e->{help}) eq 'HASH' ? $e->{help}{$txt} :
+		       ref($e->{help}) eq 'CODE' ? $e->{help}($txt) : $e->{help});
+	}
+    } $e->{list}, \@radios;
+
+    $boxradio, sub {
+	my ($v) = @_;
+	mapn { $_[0]->set_active($_[1] eq $v) } \@radios, $e->{list};
+    }, $radios[0];
+}
+
+sub create_clist {
+    my ($e, $may_go_to_next, $changed, $double_click) = @_;
+    my $curr;
+    my @l = map { may_apply($e->{format}, $_) } @{$e->{list}};
+
+    my $list = new Gtk::CList(1);
+    $list->set_selection_mode('browse');
+    $list->set_column_auto_resize(0, 1);
+
+    my $select = sub {
+	$list->set_focus_row($_[0]);
+	$list->select_row($_[0], 0);
+	$list->moveto($_[0], 0, 0.5, 0) if $list->row_is_visible($_[0]) ne 'full';
+    };
+
+#    ref $title && !@okcancel ?
+#      $list->signal_connect(button_release_event => $leave) :
+#      $list->signal_connect(button_press_event => sub { &$leave if $_[1]{type} =~ /^2/ });
+
+    my ($first_time, $starting_word, $start_reg) = (1, '', "^");
+    my $timeout;
+    $list->signal_connect(key_press_event => sub {
+        my ($w, $event) = @_;
+	my $c = chr($event->{keyval} & 0xff);
+
+	Gtk->timeout_remove($timeout) if $timeout; $timeout = '';
+	
+	if ($event->{keyval} >= 0x100) {
+	    &$may_go_to_next if $c eq "\r" || $c eq "\x8d";
+	    $starting_word = '' if $event->{keyval} != 0xffe4; # control
+	} else {
+	    if ($event->{state} & 4) {
+		#- control pressed
+		$c eq "s" or return 1;
+		$start_reg and $start_reg = '', return 1;
+		$curr++;
+	    } else {
+		&$may_go_to_next if $c eq ' ';
+
+		$curr++ if $starting_word eq '' || $starting_word eq $c;
+		$starting_word .= $c unless $starting_word eq $c;
+	    }
+	    my $word = quotemeta $starting_word;
+	    my $j; for ($j = 0; $j < @l; $j++) {
+		 $l[($j + $curr) % @l] =~ /$start_reg$word/i and last;
+	    }
+	    $j == @l ?
+	      $starting_word = '' :
+	      $select->(($j + $curr) % @l);
+
+	    $timeout = Gtk->timeout_add($forgetTime, sub { $timeout = $starting_word = ''; 0 } );
+	}
+	1;
+    });
+    $list->show;
+
+    $list->append($_) foreach @l;
+
+    $list->signal_connect(select_row => sub {
+	my ($w, $row) = @_;
+	${$e->{val}} = $e->{list}[$curr = $row];
+	&$changed;
+    });
+    $list->signal_connect(button_press_event => $double_click) if $double_click;
+
+    $list, sub {
+	my ($v) = @_;
+	eval {
+	    my $nb = find_index { $_ eq $v } @{$e->{list}};
+	    $select->($nb) if $nb != $list->focus_row;
+	};
+    };
+}
+
+sub create_ctree {
+    my ($e, $may_go_to_next, $changed, $double_click, $tree_expanded) = @_;
+    my @l = map { may_apply($e->{format}, $_) } @{$e->{list}};
+
+    $tree_expanded = to_bool($tree_expanded); #- to reduce "Use of uninitialized value", especially when debugging
+
+    my $sep = quotemeta $e->{separator};
+    my $tree = Gtk::CTree->new(1, 0);
+
+    my (%wtree, %wleaves, $size, $selected_via_click);
+    my $parent; $parent = sub {
+	if (my $w = $wtree{"$_[0]$e->{separator}"}) { return $w }
+	my $s = '';
+	foreach (split $sep, $_[0]) {
+	    $wtree{"$s$_$e->{separator}"} ||= 
+	      $tree->insert_node($s ? $parent->($s) : undef, undef, [$_], 5, (undef) x 4, 0, $tree_expanded);
+	    $size++ if !$s;
+	    $s .= "$_$e->{separator}";
+	}
+	$wtree{$s};
+    };
+    foreach (@l) {
+	my ($root, $leaf) = /(.*)$sep(.+)/ ? ($1, $2) : ('', $_);
+	$wleaves{$_} = $tree->insert_node($parent->($root), undef, [$leaf], 5, (undef) x 4, 1, 0);
+    }
+    undef %wtree;
+
+    my $select = sub {
+	my ($node) = @_;
+	for (my $c = $node; $c; $c = $c->row->parent) { 
+	    $tree->expand($c);
+	}
+	for (my $i = 0; $tree->node_nth($i); $i++) {
+	    if ($tree->node_nth($i) == $node) {
+		$tree->set_focus_row($i);
+		last;
+	    }
+	}
+	$tree->select($node);
+	$tree->node_moveto($node, 0, 0.5, 0) if $tree->node_is_visible($node) ne 'full';
+    };
+
+    my $curr = $tree->node_nth(0); #- default value
+    $tree->set_column_auto_resize(0, 1);
+    $tree->set_selection_mode('browse');
+    $tree->set_row_height($tree->style->font->ascent + $tree->style->font->descent + 1);
+    $tree->signal_connect(tree_select_row => sub { 
+	$curr = $_[1]; 
+	if ($curr->row->is_leaf) {
+	    my @ll; for (my $c = $curr; $c; $c = $c->row->parent) { 
+		unshift @ll, first $tree->node_get_pixtext($c, 0);
+	    }
+	    my $val = join $e->{separator}, @ll;
+	    mapn {
+		${$e->{val}} = $_[1] if $val eq $_[0]
+	    } \@l, $e->{list};
+	    &$changed;
+	} else {
+	    $tree->expand($curr) if $selected_via_click;
+	}
+    });
+    my ($first_time, $starting_word, $start_reg) = (1, '', "^");
+    my $timeout;
+
+    my $toggle = sub { 
+	$curr->row->is_leaf ? 
+	  &$may_go_to_next :
+	  $tree->toggle_expansion($curr);
+    };
+    $tree->signal_connect(key_press_event => sub {
+        my ($w, $event) = @_;
+	$selected_via_click = 0;
+	my $c = chr($event->{keyval} & 0xff);
+	$curr or return;
+	Gtk->timeout_remove($timeout) if $timeout; $timeout = '';
+
+	if ($event->{keyval} >= 0x100) {
+	    &$toggle if $c eq "\r" || $c eq "\x8d";
+	    $starting_word = '' if $event->{keyval} != 0xffe4; # control
+	} else {
+	    my $next;
+	    if ($event->{state} & 4) {
+		#- control pressed
+		$c eq "s" or return 1;
+		$start_reg and $start_reg = '', return 1;
+		$next = 1;
+	    } else {
+		&$toggle if $c eq ' ';
+
+		$next = 1 if $starting_word eq '' || $starting_word eq $c;
+		$starting_word .= $c unless $starting_word eq $c;
+	    }
+	    my $word = quotemeta $starting_word;
+	    my ($after, $best);
+
+	    $tree->pre_recursive(undef, sub { 
+		my ($tree, $node) = @_;
+		$next &&= !$after;
+		$after ||= $node == $curr;
+		my ($t) = $tree->node_get_pixtext($node, 0);
+
+		if ($t =~ /$start_reg$word/i) {
+		    if ($after && !$next) {
+			($best, $after) = ($node, 0);
+		    } else {
+			$best ||= $node;
+		    }
+		}
+	    });
+	    if (defined $best) {
+		$select->($best);
+	    } else {
+		$starting_word = '';
+	    }
+	    $timeout = Gtk->timeout_add($forgetTime, sub { $timeout = $starting_word = ''; 0 });
+	}
+	1;
+    });
+    $tree->signal_connect(button_press_event => sub {
+	$selected_via_click = 1;
+	&$double_click if $curr->row->is_leaf && $double_click;
+    });
+
+    $tree, sub {
+	my $v = may_apply($e->{format}, $_[0]);
+	$select->($wleaves{$v} || return) if $wleaves{$v} != $tree->selection;
+    }, $size;
+}
+
+sub create_list {
+    my ($e, $may_go_to_next, $changed, $double_click) = @_;
+    my $l = $e->{list};
+    my $list = new Gtk::List();
+    $list->set_selection_mode('browse');
+
+    my $select = sub {
+	$list->select_item($_[0]);
+    };
+
+    my $tips = new Gtk::Tooltips;
+    my $toselect;
+    map_index {
+	my $item = new Gtk::ListItem(may_apply($e->{format}, $_));
+	$item->signal_connect(key_press_event => sub {
+    	    my ($w, $event) = @_;
+    	    my $c = chr($event->{keyval} & 0xff);
+	    $may_go_to_next->($event) if $event->{keyval} < 0x100 ? $c eq ' ' : $c eq "\r" || $c eq "\x8d";
+    	    1;
+    	});
+	$list->append_items($item);
+	$item->show;
+	if ($e->{help}) {
+	    gtkset_tip($tips, $item,
+		       ref($e->{help}) eq 'HASH' ? $e->{help}{$_} :
+		       ref($e->{help}) eq 'CODE' ? $e->{help}($_) : $e->{help});
+	}
+	$item->grab_focus if ${$e->{val}} && $_ eq ${$e->{val}};
+    } @$l;
+
+    #- signal_connect'ed after append_items otherwise it is called and destroys the default value
+    $list->signal_connect(select_child => sub {
+	my ($w, $row) = @_;
+	${$e->{val}} = $l->[$list->child_position($row)];
+	&$changed;
+    });
+    $list->signal_connect(button_press_event => $double_click) if $double_click;
+
+    $list, sub { 
+	my ($v) = @_;
+	eval { 
+	    $select->(find_index { $_ eq $v } @$l);
+	};
+    };
+}
+
+sub ask_fromW {
+    my ($o, $common, $l, $l2) = @_;
+    my $ignore = 0; #-to handle recursivity
+
+    my $mainw = my_gtk->new($common->{title}, %$o);
+    $mainw->sync; # for XPM's creation
+
+    #-the widgets
+    my (@widgets, @widgets_always, @widgets_advanced, $advanced, $advanced_pack, $has_horiz_scroll, $has_scroll, $total_size, $max_width);
+    my $tooltips = new Gtk::Tooltips;
+
+    my $set_all = sub {
+	$ignore = 1;
+	$_->{set}->(${$_->{e}{val}}) foreach @widgets_always, @widgets_advanced;
+	$_->{real_w}->set_sensitive(!$_->{e}{disabled}()) foreach @widgets_always, @widgets_advanced;
+	$ignore = 0;
+    };
+    my $get_all = sub {
+	${$_->{e}{val}} = $_->{get}->() foreach @widgets_always, @widgets_advanced;
+    };
+    my $update = sub {
+	my ($f) = @_;
+	return if $ignore;
+	$get_all->();
+	$f->();
+	$set_all->();
+	};
+    my $create_widget = sub {
+	my ($e, $ind) = @_;
+
+	my $may_go_to_next = sub {
+	    my ($w, $event, $kind) = @_;
+	    if ($kind eq 'tab') {
+		if (($event->{keyval} & 0x7f) == 0x9) {
+		    $w->signal_emit_stop("key_press_event");
+		    if ($ind == $#widgets) {
+			$mainw->{ok}->grab_focus;
+		    } else {
+			$widgets[$ind+1]{focus_w}->grab_focus;
+		    }
+		}
+	    } else {
+		if (!$event || ($event->{keyval} & 0x7f) == 0xd) {
+		    $w->signal_emit_stop("key_press_event") if $event;
+		    if ($ind == $#widgets) {
+			@widgets == 1 ? $mainw->{ok}->clicked : $mainw->{ok}->grab_focus;
+		    } else {
+			$widgets[$ind+1]{focus_w}->grab_focus;
+		    }
+		}
+	    }
+	};
+	my $changed = sub { $update->(sub { $common->{callbacks}{changed}($ind) }) };
+
+	my ($w, $real_w, $focus_w, $set, $get, $expand, $size, $width);
+	if ($e->{type} eq 'iconlist') {
+	    $w = new Gtk::Button;
+	    $set = sub {
+		gtkdestroy($e->{icon});
+		my $f = $e->{icon2f}->($_[0]);
+		$e->{icon} = -e $f ?
+		    gtkpng($f) :
+		    new Gtk::Label(may_apply($e->{format}, $_[0]));
+		$w->add($e->{icon});
+		$e->{icon}->show;
+	    };
+	    $w->signal_connect(clicked => sub {
+		$set->(${$e->{val}} = next_val_in_array(${$e->{val}}, $e->{list}));
+		$changed->();
+	    });
+	    $real_w = gtkpack_(new Gtk::HBox(0,10), 1, new Gtk::HBox(0,0), 0, $w, 1, new Gtk::HBox(0,0), );
+	} elsif ($e->{type} eq 'bool') {
+	    $w = Gtk::CheckButton->new($e->{text});
+	    $w->signal_connect(clicked => $changed);
+	    $set = sub { $w->set_active($_[0]) };
+	    $get = sub { $w->get_active };
+	    $width = length $e->{text};
+	} elsif ($e->{type} eq 'label') {
+	    $w = Gtk::Label->new(${$e->{val}});
+	    $set = sub { $w->set($_[0]) };
+	    $width = length ${$e->{val}};
+	} elsif ($e->{type} eq 'button') {
+	    $w = Gtk::Button->new('');
+	    $w->signal_connect(clicked => sub {
+		$get_all->();
+		if ($::isWizard) {
+		    $mainw->{rwindow}->set_sensitive(0);
+		} else {
+		    $mainw->{rwindow}->hide;
+		}
+		if (my $v = $e->{clicked_may_quit}()) {
+		    $mainw->{retval} = $v;
+		    Gtk->main_quit;
+		}
+		if ($::isWizard) {
+		    $mainw->{rwindow}->set_sensitive(1);
+		} else {
+		    $mainw->{rwindow}->show;
+		}
+		$set_all->();
+	    });
+	    $set = sub { $w->child->set(may_apply($e->{format}, $_[0])) };
+	    $width = length may_apply($e->{format}, ${$e->{val}});
+	} elsif ($e->{type} eq 'range') {
+	    my $adj = create_adjustment(${$e->{val}}, $e->{min}, $e->{max});
+	    $adj->signal_connect(value_changed => $changed);
+	    $w = new Gtk::HScale($adj);
+	    $w->set_digits(0);
+	    $w->signal_connect(key_press_event => $may_go_to_next);
+	    $set = sub { $adj->set_value($_[0]) };
+	    $get = sub { $adj->get_value };
+	    $size = 2;
+	} elsif ($e->{type} =~ /list/) {
+
+	    my $quit_if_double_click = 
+	      #- i'm the only one, double click means accepting
+	      @$l == 1 || $e->{quit_if_double_click} ? 
+		sub { if ($_[1]{type} =~ /^2/) { $mainw->{retval} = 1; Gtk->main_quit } } : ''; 
+
+	    my @para = ($e, $may_go_to_next, $changed, $quit_if_double_click);
+	    my $use_boxradio = exists $e->{gtk}{use_boxradio} ? $e->{gtk}{use_boxradio} : @{$e->{list}} <= 8;
+
+	    if ($e->{help}) {
+		#- used only when needed, as key bindings are dropped by List (CList does not seems to accepts Tooltips).
+		($w, $set, $focus_w) = $use_boxradio ? create_boxradio(@para) : create_list(@para);
+	    } elsif ($e->{type} eq 'treelist') {
+		($w, $set, $size) = create_ctree(@para, $e->{tree_expanded});
+	    } else {
+		($w, $set, $focus_w) = $use_boxradio ? create_boxradio(@para) : create_clist(@para);
+	    }
+	    if (@{$e->{list}} > (@$l == 1 ? 10 : 4)) {
+		$has_scroll = 1;
+		$expand = 1;
+		$real_w = createScrolledWindow($w);
+		$size = (@$l == 1 ? 10 : 4);
+	    } else {
+		$size ||= @{$e->{list}};
+	    }
+	    $width = max(map { length } @{$e->{list}});
+	} else {
+	    if ($e->{type} eq "combo") {
+		$w = new Gtk::Combo;
+		$w->set_use_arrows_always(1);
+		$w->entry->set_editable(!$e->{not_edit});
+		$w->set_popdown_strings(@{$e->{list}});
+		$w->disable_activate;
+		($real_w, $w) = ($w, $w->entry);
+		my @l = sort { $b <=> $a } map { length } @{$e->{list}};
+		$has_horiz_scroll = 1;
+		$width = $l[@l / 16]; # take the third octile (think quartile)
+	    } else {
+                $w = new Gtk::Entry;
+		$w->signal_connect(focus_in_event => sub { $w->select_region });
+		$w->signal_connect(focus_out_event => sub { $w->select_region(0,0) });
+	    }
+	    $w->signal_connect(key_press_event => $may_go_to_next);
+	    $w->signal_connect(changed => $changed);
+	    $w->set_visibility(0) if $e->{hidden};
+	    $set = sub { $w->set_text($_[0]) if $_[0] ne $w->get_text };
+	    $get = sub { $w->get_text };
+	}
+	$w->signal_connect(focus_out_event => sub { 
+            $update->(sub { $common->{callbacks}{focus_out}($ind) });
+	});
+	$tooltips->set_tip($w, $e->{help}) if $e->{help} && !ref($e->{help});
+
+	$max_width = max($max_width, $width);
+	$total_size += $size || 1;
+    
+	{ e => $e, w => $w, real_w => $real_w || $w, focus_w => $focus_w || $w, expand => $expand,
+	  get => $get || sub { ${$e->{val}} }, set => $set || sub {},
+	  icon_w => -e $e->{icon} ? gtkpng($e->{icon}) : '' };
+    };
+    @widgets_always   = map_index { $create_widget->($_, $::i      ) } @$l;
+    my $always_total_size = $total_size;
+    @widgets_advanced = map_index { $create_widget->($_, $::i + @$l) } @$l2;
+    my $advanced_total_size = $total_size - $always_total_size;
+
+
+    my $pack = create_box_with_title($mainw, @{$common->{messages}});
+    my ($totalheight, $totalwidth) = ($mainw->{box_size}, 0);
+
+    my $set_default_size = sub {
+	if (!$::isEmbedded && !$::isWizard || $my_gtk::pop_it) {
+	    if ($has_scroll || $has_horiz_scroll) {
+		$mainw->{rwindow}->set_default_size($totalwidth+6+$my_gtk::shape_width, $has_scroll ? $totalheight+6+3+$my_gtk::shape_width : 0);
+	    }
+	}
+    };
+
+    my $set_advanced = sub {
+	($advanced) = @_;
+	$set_default_size->() if $advanced;
+	$advanced ? $advanced_pack->show : $advanced_pack->hide;
+	@widgets = (@widgets_always, $advanced ? @widgets_advanced : ());
+	$mainw->sync; #- for $set_all below (mainly for the set of clist)
+	$set_all->(); #- must be done when showing advanced lists (to center selected value)
+    };
+    my $advanced_button = [ $common->{advanced_label}, 
+			    sub { 
+				my ($w) = @_;
+				$set_advanced->(!$advanced);
+				$w->child->set($advanced ? $common->{advanced_label_close} : $common->{advanced_label});
+			    } ];
+
+    my $create_widgets = sub {
+	my ($size, @widgets) = @_;
+	my $w = create_packtable({}, map { [($_->{icon_w}, $_->{e}{label}, $_->{real_w})]} @widgets);
+
+	$size && $total_size or return $w; #- do not bother computing stupid/bad things
+	my $ratio = max($size / $total_size, 0.2);
+
+	my ($possibleheight, $possiblewidth) = $::isEmbedded && !$my_gtk::pop_it ? (450, 380) : ($::windowheight * 0.8, $::windowwidth * 0.8);
+	$possibleheight -= $mainw->{box_size};
+
+	my $wantedwidth = max(250, $max_width * 5);
+	my $width = min($possiblewidth, $wantedwidth);
+
+	my $wantedheight = my_gtk::n_line_size($size, 'various', $mainw->{rwindow});
+	my $height = min($possibleheight * $ratio, max(200, $wantedheight));
+
+	$totalheight += $height;
+	$totalwidth = max($width, $totalwidth);
+
+	my $has = $wantedwidth > $width || $wantedheight > $height;
+	$has_scroll ||= $has;
+	$has ? createScrolledWindow($w) : $w;
+    };
+
+    gtkpack_($pack,
+	     1, $create_widgets->($always_total_size, @widgets_always),
+	     if_($common->{ok} || $::isWizard, 
+		 0, $mainw->create_okcancel($common->{ok}, $common->{cancel}, '', if_(@$l2, $advanced_button))));
+    my $has_scroll_always = $has_scroll;
+    my @adv = map { warp_text($_) } @{$common->{advanced_messages}};
+    $advanced_pack = 
+      gtkpack_(new Gtk::VBox(0,0),
+	       0, '',
+	       (map {; 0, new Gtk::Label($_) } @adv),
+	       0, new Gtk::HSeparator,
+	       1, $create_widgets->($advanced_total_size, @widgets_advanced));
+
+    $pack->pack_start($advanced_pack, 1, 1, 0);
+    gtkadd($mainw->{window}, $pack);
+    $set_default_size->() if $has_scroll_always;
+    $set_advanced->(0);
+    (@widgets ? $widgets[0]{focus_w} : $common->{focus_cancel} ? $mainw->{cancel} : $mainw->{ok})->grab_focus();
+
+    my $check = sub {
+	my ($f) = @_;
+	sub {
+	    $get_all->();
+	    my ($error, $focus) = $f->();
+	
+	    if ($error) {
+		$set_all->();
+		$widgets[$focus || 0]{focus_w}->grab_focus();
+	    }
+	    !$error;
+	}
+    };
+    $mainw->main(map { $check->($common->{callbacks}{$_}) } 'complete', 'canceled');
+}
+
+
+sub ask_browse_tree_info_refW {
+    my ($o, $common) = @_;
+    add2hash($common, { wait_message => sub { $o->wait_message(@_) } });
+    my_gtk::ask_browse_tree_info($common);
+}
+
+sub wait_messageW($$$) {
+    my ($o, $title, $messages) = @_;
+
+    local $my_gtk::pop_it = 1;
+    my $w = my_gtk->new($title, %$o, grab => 1);
+    gtkadd($w->{window}, my $hbox = new Gtk::HBox(0,0));
+    $hbox->pack_start(my $box = new Gtk::VBox(0,0), 1, 1, 10);  
+    $box->pack_start($_, 1, 1, 4) foreach my @l = map { new Gtk::Label(scalar warp_text($_)) } @$messages;
+
+    ($w->{wait_messageW} = $l[$#l])->signal_connect(expose_event => sub { $w->{displayed} = 1 });
+    $w->{rwindow}->set_position('center') if ($::isStandalone && (!$::isEmbedded && !$::isWizard || $my_gtk::pop_it));
+    $w->{window}->show_all;
+    $w->sync until $w->{displayed};
+    $w;
+}
+sub wait_message_nextW {
+    my ($o, $messages, $w) = @_;
+    my $msg = warp_text(join "\n", @$messages);
+    return if $msg eq $w->{wait_messageW}->get; #- needed otherwise no expose_event :(
+    $w->{displayed} = 0;
+    $w->{wait_messageW}->set($msg);
+    $w->flush until $w->{displayed};
+}
+sub wait_message_endW {
+    my ($o, $w) = @_;
+    $w->destroy;
+}
+
+sub kill {
+    my ($o) = @_;
+    $o->{before_killing} ||= 0;
+
+    while (my $e = shift @tempory::objects) { $e->destroy }
+    while (@interactive::objects > $o->{before_killing}) {
+	my $w = pop @interactive::objects;
+	$w->destroy;
+    }
+    $o->{before_killing} = @interactive::objects;
+}
+
+1;