package loopback; # $Id$

use diagnostics;
use strict;

#-######################################################################################
#- misc imports
#-######################################################################################
use MDK::Common::System;
use common;
use partition_table qw(:types);
use fs;
use fsedit;
use log;


sub carryRootLoopback {
    my ($part) = @_;
    $_->{mntpoint} eq '/' and return 1 foreach @{$part->{loopback} || []};
    0;
}

sub check_circular_mounts {
    my ($hd, $part, $all_hds) = @_;

    my $fstab = [ fsedit::get_all_fstab($all_hds), $part ]; # no pb if $part is already in $all_hds

    my $base_mntpoint = $part->{mntpoint};
    my $check; $check = sub {
	my ($part, @seen) = @_;
	push @seen, $part->{mntpoint} || return;
	@seen > 1 && $part->{mntpoint} eq $base_mntpoint and die _("Circular mounts %s\n", join(", ", @seen));
	if (my $part = fs::up_mount_point($part->{mntpoint}, $fstab)) {
	    #- '/' carrier is a special case, it will be mounted first
	    $check->($part, @seen) if !carryRootLoopback($part);
	}
	if (isLoopback($part)) {
	    $check->($part->{loopback_device}, @seen);
	}
    };
    $check->($part) if !($base_mntpoint eq '/' && isLoopback($part)); #- '/' is a special case, no loop check
}

sub carryRootCreateSymlink {
    my ($part, $prefix) = @_;

    carryRootLoopback($part) or return;

    my $mntpoint = "$prefix$part->{mntpoint}";
    unless (-e $mntpoint) {
	eval { mkdir_p(dirname($mntpoint)) };
	#- do non-relative link for install, should be changed to relative link before rebooting
	symlink "/initrd/loopfs", $mntpoint;

	mkdir_p("/initrd/loopfs/lnx4win/boot");
	symlink "/initrd/loopfs/lnx4win/boot", "$prefix/boot";
    }
    #- indicate kernel to keep initrd
    mkdir "$prefix/initrd", 0755;
}


sub format_part {
    my ($part, $prefix) = @_;
    fs::mount_part($part->{loopback_device}, $prefix);
    create($part, $prefix);
    fs::real_format_part($part);
}

sub create {
    my ($part, $prefix) = @_;
    my $f = $part->{device} = "$prefix$part->{loopback_device}{mntpoint}$part->{loopback_file}";
    return if -e $f;

    eval { mkdir_p(dirname($f)) };

    log::l("creating loopback file $f ($part->{size} sectors)");

    local *F;
    my $block_size = 128;
    my $s = "\0" x (512 * $block_size);
    sysopen F, $f, 2 | c::O_CREAT() or die "failed to create loopback file";
    for (my $i = 0; $i < $part->{size}; $i += $block_size) {
	syswrite F, $s or die "failed to create loopback file";
    }
}

sub getFree {
    my ($dir, $part) = @_;
    my $freespace = $dir ? 
      2 * (MDK::Common::System::df($dir))[1] : #- df in KiB
      $part->{size};

    $freespace - sum map { $_->{size} } @{$part->{loopback} || []};
}

#- returns the size of the loopback file if it already exists
#- returns -1 is the loopback file can't be used
sub verifFile {
    my ($dir, $file, $part) = @_;
    -e "$dir$file" and return -s "$dir$file";

    $_->{loopback_file} eq $file and return -1 foreach @{$part->{loopback} || []};

    undef;
}

sub prepare_boot {
    my ($prefix) = @_;
    my $r = readlink "$prefix/boot"; 
    unlink "$prefix/boot"; 
    mkdir "$prefix/boot", 0755;
    [$r, $prefix];
}

sub save_boot {
    my ($loop_boot, $prefix) = @{$_[0]};
    
    $loop_boot or return;

    my @files = glob_("$prefix/boot/*");
    cp_af(@files, $loop_boot) if @files;
    rm_rf("$prefix/boot");
    symlink $loop_boot, "$prefix/boot";
}


1;

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</pre></td>
<td class='lines'><pre><code><span class="hl kwa">package</span> interactive_newt<span class="hl opt">;</span> <span class="hl slc"># $Id$</span>

<span class="hl kwa">use</span> diagnostics<span class="hl opt">;</span>
<span class="hl kwa">use</span> strict<span class="hl opt">;</span>
<span class="hl kwa">use</span> vars <span class="hl str">qw(</span><span class="hl ipl">&#64;ISA</span><span class="hl str">)</span><span class="hl opt">;</span>

<span class="hl kwb">&#64;ISA</span> <span class="hl opt">=</span> <span class="hl str">qw(interactive)</span><span class="hl opt">;</span>

<span class="hl kwa">use</span> interactive<span class="hl opt">;</span>
<span class="hl kwa">use</span> common<span class="hl opt">;</span>
<span class="hl kwa">use</span> <span class="hl kwc">log</span><span class="hl opt">;</span>
<span class="hl kwa">use</span> Newt<span class="hl opt">::</span>Newt<span class="hl opt">;</span> <span class="hl slc">#- !! provides Newt and not Newt::Newt</span>

<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$width, $height</span><span class="hl opt">) = (</span><span class="hl num">80</span><span class="hl opt">,</span> <span class="hl num">25</span><span class="hl opt">);</span>
<span class="hl kwc">my</span> <span class="hl kwb">&#64;wait_messages</span><span class="hl opt">;</span>

<span class="hl kwa">sub</span> new<span class="hl opt">() {</span>
    Newt<span class="hl opt">::</span>Init<span class="hl opt">;</span>
    Newt<span class="hl opt">::</span>Cls<span class="hl opt">;</span>
    Newt<span class="hl opt">::</span>SetSuspendCallback<span class="hl opt">;</span>
    <span class="hl opt">(</span><span class="hl kwb">$width, $height</span><span class="hl opt">) =</span> Newt<span class="hl opt">::</span>GetScreenSize<span class="hl opt">;</span>
    <span class="hl kwc">open</span> STDERR<span class="hl opt">,</span><span class="hl str">&quot;&gt;/dev/null&quot;</span> <span class="hl kwa">if</span> <span class="hl opt">$::</span>isStandalone<span class="hl opt">;</span>
    <span class="hl kwc">bless</span> <span class="hl opt">{},</span> <span class="hl kwb">$_</span><span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">];</span>
<span class="hl opt">}</span>

<span class="hl kwa">sub</span> enter_console <span class="hl opt">{</span> Newt<span class="hl opt">::</span>Suspend <span class="hl opt">}</span>
<span class="hl kwa">sub</span> leave_console <span class="hl opt">{</span> Newt<span class="hl opt">::</span>Resume <span class="hl opt">}</span>
<span class="hl kwa">sub</span> suspend <span class="hl opt">{</span> Newt<span class="hl opt">::</span>Suspend <span class="hl opt">}</span>
<span class="hl kwa">sub</span> resume <span class="hl opt">{</span> Newt<span class="hl opt">::</span>Resume <span class="hl opt">}</span>
<span class="hl kwa">sub</span> end<span class="hl opt">() {</span> Newt<span class="hl opt">::</span>Finished <span class="hl opt">}</span>
<span class="hl kwa">sub exit</span><span class="hl opt">() {</span> end<span class="hl opt">;</span> <span class="hl kwa">exit</span><span class="hl opt">(</span><span class="hl kwb">$_</span><span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">]) }</span>
<span class="hl kwa">END</span> <span class="hl opt">{</span> end<span class="hl opt">() }</span>

<span class="hl kwa">sub</span> myTextbox <span class="hl opt">{</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$allow_scroll</span> <span class="hl opt">=</span> <span class="hl kwc">shift</span><span class="hl opt">;</span>

    <span class="hl kwc">my</span> <span class="hl kwb">$width</span> <span class="hl opt">=</span> <span class="hl kwb">$width</span> <span class="hl opt">-</span> <span class="hl num">9</span><span class="hl opt">;</span>
    <span class="hl kwc">my</span> <span class="hl kwb">&#64;l</span> <span class="hl opt">=</span> <span class="hl kwc">map</span> <span class="hl opt">{</span> <span class="hl kwd">/(.{1,$width})/g</span> <span class="hl opt">}</span> <span class="hl kwc">map</span> <span class="hl opt">{</span> <span class="hl kwc">split</span> <span class="hl str">&quot;</span><span class="hl esc">\n</span><span class="hl str">&quot;</span> <span class="hl opt">}</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$h</span> <span class="hl opt">=</span> min<span class="hl opt">(</span><span class="hl kwb">$height</span> <span class="hl opt">-</span> <span class="hl num">13</span><span class="hl opt">,</span> <span class="hl kwc">int</span> <span class="hl kwb">&#64;l</span><span class="hl opt">);</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$flag</span> <span class="hl opt">=</span> <span class="hl num">1</span> <span class="hl opt">&lt;&lt;</span> <span class="hl num">6</span><span class="hl opt">;</span> 
    <span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwb">$h</span> <span class="hl opt">&lt;</span> <span class="hl kwb">&#64;l</span><span class="hl opt">) {</span>
	<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwb">$allow_scroll</span><span class="hl opt">) {</span>
	    <span class="hl kwb">$flag</span> <span class="hl opt">|=</span> <span class="hl num">1</span> <span class="hl opt">&lt;&lt;</span> <span class="hl num">2</span><span class="hl opt">;</span> <span class="hl slc">#- NEWT_FLAG_SCROLL</span>
	<span class="hl opt">}</span> <span class="hl kwa">else</span> <span class="hl opt">{</span>
	    <span class="hl slc"># remove the text, no other way!</span>
	    <span class="hl kwb">&#64;l</span> <span class="hl opt">=</span> <span class="hl kwb">&#64;l</span><span class="hl opt">[</span><span class="hl num">0</span> <span class="hl opt">..</span> <span class="hl kwb">$h</span><span class="hl opt">-</span><span class="hl num">1</span><span class="hl opt">];</span>
	<span class="hl opt">}</span>
    <span class="hl opt">}</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$mess</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>Textbox<span class="hl opt">(</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">,</span> <span class="hl kwc">my</span> <span class="hl kwb">$w</span> <span class="hl opt">=</span> max<span class="hl opt">(</span><span class="hl kwc">map</span> <span class="hl opt">{</span> <span class="hl kwc">length</span> <span class="hl opt">}</span> <span class="hl kwb">&#64;l</span><span class="hl opt">) +</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwb">$h, $flag</span><span class="hl opt">);</span>
    <span class="hl kwb">$mess</span><span class="hl opt">-&gt;</span><span class="hl kwd">TextboxSetText</span><span class="hl opt">(</span><span class="hl kwc">join</span><span class="hl opt">(</span><span class="hl str">&quot;</span><span class="hl esc">\n</span><span class="hl str">&quot;</span><span class="hl opt">,</span> <span class="hl kwb">&#64;_</span><span class="hl opt">));</span>
    <span class="hl kwb">$mess, $w</span> <span class="hl opt">+</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwb">$h</span><span class="hl opt">;</span>
<span class="hl opt">}</span>

<span class="hl kwa">sub</span> separator <span class="hl opt">{</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$blank</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>Form<span class="hl opt">(</span>\<span class="hl kwc">undef</span><span class="hl opt">,</span> <span class="hl str">&apos;&apos;</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">);</span>
    <span class="hl kwb">$blank</span><span class="hl opt">-&gt;</span><span class="hl kwd">FormSetWidth</span> <span class="hl opt">(</span><span class="hl kwb">$_</span><span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">]);</span>
    <span class="hl kwb">$blank</span><span class="hl opt">-&gt;</span><span class="hl kwd">FormSetHeight</span><span class="hl opt">(</span><span class="hl kwb">$_</span><span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">]);</span>
    <span class="hl kwb">$blank</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> checkval <span class="hl opt">{</span> <span class="hl kwb">$_</span><span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">] &amp;&amp;</span> <span class="hl kwb">$_</span><span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">]</span> <span class="hl kwc">ne</span> <span class="hl str">&apos; &apos;</span>  ? <span class="hl str">&apos;*&apos;</span> <span class="hl opt">:</span> <span class="hl str">&apos; &apos;</span> <span class="hl opt">}</span>

<span class="hl kwa">sub</span> ask_fromW <span class="hl opt">{</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$o, $common, $l, $l2</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$ignore</span><span class="hl opt">;</span> <span class="hl slc">#-to handle recursivity</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$old_focus</span> <span class="hl opt">= -</span><span class="hl num">2</span><span class="hl opt">;</span>

    <span class="hl slc">#-the widgets</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">&#64;widgets, $total_size</span><span class="hl opt">);</span>

    <span class="hl kwc">my</span> <span class="hl kwb">$set_all</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span>
	<span class="hl kwb">$ignore</span> <span class="hl opt">=</span> <span class="hl num">1</span><span class="hl opt">;</span>
	<span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>set<span class="hl opt">}-&gt;(${</span><span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>e<span class="hl opt">}{</span>val<span class="hl opt">}})</span> <span class="hl kwa">foreach</span> <span class="hl kwb">&#64;widgets</span><span class="hl opt">;</span>
<span class="hl slc">#	$_-&gt;{w}-&gt;set_sensitive(!$_-&gt;{e}{disabled}()) foreach &#64;widgets;</span>
	<span class="hl kwb">$ignore</span> <span class="hl opt">=</span> <span class="hl num">0</span><span class="hl opt">;</span>
    <span class="hl opt">};</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$get_all</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span>
	<span class="hl opt">${</span><span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>e<span class="hl opt">}{</span>val<span class="hl opt">}} =</span> <span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>get<span class="hl opt">}-&gt;()</span> <span class="hl kwa">foreach</span> <span class="hl kwb">&#64;widgets</span><span class="hl opt">;</span>
    <span class="hl opt">};</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$create_widget</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span>
	<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$e, $ind</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>

	<span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>type<span class="hl opt">} =</span> <span class="hl str">&apos;list&apos;</span> <span class="hl kwa">if</span> <span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>type<span class="hl opt">} =~</span> <span class="hl kwd">/(icon|tree)list/</span><span class="hl opt">;</span>

	<span class="hl slc">#- combo doesn&apos;t exist, fallback to a sensible default</span>
	<span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>type<span class="hl opt">} =</span> <span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>not_edit<span class="hl opt">}</span> ? <span class="hl str">&apos;list&apos;</span> <span class="hl opt">:</span> <span class="hl str">&apos;entry&apos;</span> <span class="hl kwa">if</span> <span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>type<span class="hl opt">}</span> <span class="hl kwc">eq</span> <span class="hl str">&apos;combo&apos;</span><span class="hl opt">;</span>

	<span class="hl kwc">my</span> <span class="hl kwb">$changed</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span>
	    <span class="hl kwa">return if</span> <span class="hl kwb">$ignore</span><span class="hl opt">;</span>
	    <span class="hl kwa">return</span> <span class="hl kwb">$old_focus++</span> <span class="hl kwa">if</span> <span class="hl kwb">$old_focus</span> <span class="hl opt">== -</span><span class="hl num">2</span><span class="hl opt">;</span> <span class="hl slc">#- handle special first case</span>
	    <span class="hl kwb">$get_all</span><span class="hl opt">-&gt;();</span>

	    <span class="hl slc">#- TODO: this is very rough :(</span>
	    <span class="hl kwb">$common</span><span class="hl opt">-&gt;{</span>callbacks<span class="hl opt">}{</span><span class="hl kwb">$old_focus</span> <span class="hl opt">==</span> <span class="hl kwb">$ind</span> ? <span class="hl str">&apos;changed&apos;</span> <span class="hl opt">:</span> <span class="hl str">&apos;focus_out&apos;</span><span class="hl opt">}-&gt;(</span><span class="hl kwb">$ind</span><span class="hl opt">);</span>

	    <span class="hl kwb">$set_all</span><span class="hl opt">-&gt;();</span>
	    <span class="hl kwb">$old_focus</span> <span class="hl opt">=</span> <span class="hl kwb">$ind</span><span class="hl opt">;</span>
	<span class="hl opt">};</span>

	<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$w, $real_w, $set, $get, $expand, $size</span><span class="hl opt">);</span>
	<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>type<span class="hl opt">}</span> <span class="hl kwc">eq</span> <span class="hl str">&apos;bool&apos;</span><span class="hl opt">) {</span>
	    <span class="hl kwb">$w</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>Checkbox<span class="hl opt">(-</span><span class="hl num">1</span><span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>text<span class="hl opt">} ||</span> <span class="hl str">&apos;&apos;</span><span class="hl opt">,</span> checkval<span class="hl opt">(${</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>val<span class="hl opt">}}),</span> <span class="hl str">&quot; *&quot;</span><span class="hl opt">);</span>
	    <span class="hl kwb">$set</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span> <span class="hl kwb">$w</span><span class="hl opt">-&gt;</span><span class="hl kwd">CheckboxSetValue</span><span class="hl opt">(</span>checkval<span class="hl opt">(</span><span class="hl kwb">$_</span><span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">])) };</span>
	    <span class="hl kwb">$get</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span> <span class="hl kwb">$w</span><span class="hl opt">-&gt;</span><span class="hl kwd">CheckboxGetValue</span> <span class="hl opt">==</span> <span class="hl kwc">ord</span> <span class="hl str">&apos;*&apos;</span> <span class="hl opt">};</span>
	<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>type<span class="hl opt">}</span> <span class="hl kwc">eq</span> <span class="hl str">&apos;button&apos;</span><span class="hl opt">) {</span>
	    <span class="hl kwb">$w</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>Button<span class="hl opt">(-</span><span class="hl num">1</span><span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> may_apply<span class="hl opt">(</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>format<span class="hl opt">}, ${</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>val<span class="hl opt">}}));</span>
	<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>type<span class="hl opt">} =~</span> <span class="hl kwd">/list/</span><span class="hl opt">) {</span>
	    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$h, $wi</span><span class="hl opt">) = (</span><span class="hl kwb">&#64;$l</span> <span class="hl opt">==</span> <span class="hl num">1</span> <span class="hl opt">&amp;&amp;</span> <span class="hl kwb">$height</span> <span class="hl opt">&gt;</span> <span class="hl num">30</span> ? <span class="hl num">10</span> <span class="hl opt">:</span> <span class="hl num">5</span><span class="hl opt">,</span> <span class="hl num">20</span><span class="hl opt">);</span>
	    <span class="hl kwc">my</span> <span class="hl kwb">$scroll</span> <span class="hl opt">= &#64;{</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>list<span class="hl opt">}} &gt;</span> <span class="hl kwb">$h</span> ? <span class="hl num">1</span> <span class="hl opt">&lt;&lt;</span> <span class="hl num">2</span> <span class="hl opt">:</span> <span class="hl num">0</span><span class="hl opt">;</span>
	    <span class="hl kwb">$size</span> <span class="hl opt">=</span> min<span class="hl opt">(</span><span class="hl kwc">int</span> <span class="hl opt">&#64;{</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>list<span class="hl opt">}},</span> <span class="hl kwb">$h</span><span class="hl opt">);</span>

	    <span class="hl kwb">$w</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>Listbox<span class="hl opt">(-</span><span class="hl num">1</span><span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwb">$h, $scroll</span><span class="hl opt">);</span> <span class="hl slc">#- NEWT_FLAG_SCROLL	    </span>
	    <span class="hl kwa">foreach</span> <span class="hl opt">(&#64;{</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>list<span class="hl opt">}}) {</span>
		<span class="hl kwc">my</span> <span class="hl kwb">$t</span> <span class="hl opt">=</span> may_apply<span class="hl opt">(</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>format<span class="hl opt">},</span> <span class="hl kwb">$_</span><span class="hl opt">);</span>
		<span class="hl kwb">$w</span><span class="hl opt">-&gt;</span><span class="hl kwd">ListboxAddEntry</span><span class="hl opt">(</span><span class="hl kwb">$t, $_</span><span class="hl opt">);</span>
		<span class="hl kwb">$wi</span> <span class="hl opt">=</span> max<span class="hl opt">(</span><span class="hl kwb">$wi,</span> <span class="hl kwc">length</span> <span class="hl kwb">$t</span><span class="hl opt">);</span>
	    <span class="hl opt">}</span>
	    <span class="hl kwb">$w</span><span class="hl opt">-&gt;</span><span class="hl kwd">ListboxSetWidth</span><span class="hl opt">(</span>min<span class="hl opt">(</span><span class="hl kwb">$wi</span> <span class="hl opt">+</span> <span class="hl num">3</span><span class="hl opt">,</span> <span class="hl kwb">$width</span> <span class="hl opt">-</span> <span class="hl num">7</span><span class="hl opt">));</span> <span class="hl slc"># 3 added for the scrollbar (?)</span>
	    <span class="hl kwb">$get</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span> <span class="hl kwb">$w</span><span class="hl opt">-&gt;</span><span class="hl kwd">ListboxGetCurrent</span> <span class="hl opt">};</span>
	    <span class="hl kwb">$set</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span>
		<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$val</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>
		map_index <span class="hl opt">{</span>
		    <span class="hl kwb">$w</span><span class="hl opt">-&gt;</span><span class="hl kwd">ListboxSetCurrent</span><span class="hl opt">($::</span>i<span class="hl opt">)</span> <span class="hl kwa">if</span> <span class="hl kwb">$val</span> <span class="hl kwc">eq</span> <span class="hl kwb">$_</span><span class="hl opt">;</span>
		<span class="hl opt">} &#64;{</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>list<span class="hl opt">}};</span>
	    <span class="hl opt">};</span>
	<span class="hl opt">}</span> <span class="hl kwa">else</span> <span class="hl opt">{</span>
	    <span class="hl kwb">$w</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>Entry<span class="hl opt">(-</span><span class="hl num">1</span><span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl str">&apos;&apos;</span><span class="hl opt">,</span> <span class="hl num">20</span><span class="hl opt">, (</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>hidden<span class="hl opt">} &amp;&amp;</span> <span class="hl num">1</span> <span class="hl opt">&lt;&lt;</span> <span class="hl num">11</span><span class="hl opt">) |</span> <span class="hl num">1</span> <span class="hl opt">&lt;&lt;</span> <span class="hl num">2</span><span class="hl opt">);</span>
	    <span class="hl kwb">$get</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span> <span class="hl kwb">$w</span><span class="hl opt">-&gt;</span><span class="hl kwd">EntryGetValue</span> <span class="hl opt">};</span>
	    <span class="hl kwb">$set</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span> <span class="hl kwb">$w</span><span class="hl opt">-&gt;</span><span class="hl kwd">EntrySet</span><span class="hl opt">(</span><span class="hl kwb">$_</span><span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl num">1</span><span class="hl opt">) };</span>
	<span class="hl opt">}</span>
	<span class="hl kwb">$total_size</span> <span class="hl opt">+=</span> <span class="hl kwb">$size</span> <span class="hl opt">||</span> <span class="hl num">1</span><span class="hl opt">;</span>

	<span class="hl slc">#- !! callbacks must be kept otherwise perl will free them !!</span>
	<span class="hl slc">#- (better handling of addCallback needed)</span>

	<span class="hl opt">{</span> e <span class="hl opt">=&gt;</span> <span class="hl kwb">$e,</span> w <span class="hl opt">=&gt;</span> <span class="hl kwb">$w,</span> real_w <span class="hl opt">=&gt;</span> <span class="hl kwb">$real_w</span> <span class="hl opt">||</span> <span class="hl kwb">$w,</span> expand <span class="hl opt">=&gt;</span> <span class="hl kwb">$expand,</span> callback <span class="hl opt">=&gt;</span> <span class="hl kwb">$changed,</span>
	  get <span class="hl opt">=&gt;</span> <span class="hl kwb">$get</span> <span class="hl opt">||</span> <span class="hl kwa">sub</span> <span class="hl opt">{ ${</span><span class="hl kwb">$e</span><span class="hl opt">-&gt;{</span>val<span class="hl opt">}} },</span> set <span class="hl opt">=&gt;</span> <span class="hl kwb">$set</span> <span class="hl opt">||</span> <span class="hl kwa">sub</span> <span class="hl opt">{} };</span>
    <span class="hl opt">};</span>
    <span class="hl kwb">&#64;widgets</span> <span class="hl opt">=</span> map_index <span class="hl opt">{</span> <span class="hl kwb">$create_widget</span><span class="hl opt">-&gt;(</span><span class="hl kwb">$_,</span> <span class="hl opt">$::</span>i<span class="hl opt">) }</span> <span class="hl kwb">&#64;$l</span><span class="hl opt">;</span>

    <span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>w<span class="hl opt">}-&gt;</span><span class="hl kwd">addCallback</span><span class="hl opt">(</span><span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>callback<span class="hl opt">})</span> <span class="hl kwa">foreach</span> <span class="hl kwb">&#64;widgets</span><span class="hl opt">;</span>

    <span class="hl kwb">$set_all</span><span class="hl opt">-&gt;();</span>

    <span class="hl kwc">my</span> <span class="hl kwb">$grid</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Grid<span class="hl opt">::</span>CreateGrid<span class="hl opt">(</span><span class="hl num">3</span><span class="hl opt">,</span> max<span class="hl opt">(</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwc">int</span> <span class="hl kwb">&#64;$l</span><span class="hl opt">));</span>
    map_index <span class="hl opt">{</span>
	<span class="hl kwb">$grid</span><span class="hl opt">-&gt;</span><span class="hl kwd">GridSetField</span><span class="hl opt">(</span><span class="hl num">0</span><span class="hl opt">, $::</span>i<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">, ${</span>Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>Label<span class="hl opt">(-</span><span class="hl num">1</span><span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>e<span class="hl opt">}{</span>label<span class="hl opt">})},</span> <span class="hl num">0</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">);</span>
	<span class="hl kwb">$grid</span><span class="hl opt">-&gt;</span><span class="hl kwd">GridSetField</span><span class="hl opt">(</span><span class="hl num">1</span><span class="hl opt">, $::</span>i<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">, ${</span><span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>real_w<span class="hl opt">}},</span> <span class="hl num">0</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">);</span>
    <span class="hl opt">}</span> <span class="hl kwb">&#64;widgets</span><span class="hl opt">;</span>

    <span class="hl kwc">my</span> <span class="hl kwb">$listg</span> <span class="hl opt">=</span> <span class="hl kwa">do</span> <span class="hl opt">{</span>
	<span class="hl kwc">my</span> <span class="hl kwb">$height</span> <span class="hl opt">=</span> <span class="hl num">18</span><span class="hl opt">;</span>
	<span class="hl slc">#- use a scrolled window if there is a lot of checkboxes (aka </span>
	<span class="hl slc">#- ask_many_from_list) or a lot of widgets in general (aka</span>
	<span class="hl slc">#- options of a native PostScript printer in printerdrake)</span>
	<span class="hl slc">#- !! works badly together with list&apos;s (lists are one widget, so a</span>
	<span class="hl slc">#- big list window will not switch to scrollbar mode) :-(</span>
	<span class="hl kwa">if</span> <span class="hl opt">((((</span><span class="hl kwc">grep</span> <span class="hl opt">{</span> <span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>type<span class="hl opt">}</span> <span class="hl kwc">eq</span> <span class="hl str">&apos;bool&apos;</span> <span class="hl opt">}</span> <span class="hl kwb">&#64;$l</span><span class="hl opt">) &gt;</span> <span class="hl num">6</span><span class="hl opt">) ||</span>
             <span class="hl opt">((</span><span class="hl kwb">&#64;$l</span><span class="hl opt">) &gt;</span> <span class="hl num">3</span><span class="hl opt">)) &amp;&amp;</span> <span class="hl kwb">$total_size</span> <span class="hl opt">&gt;</span> <span class="hl kwb">$height</span><span class="hl opt">) {</span>
	    <span class="hl kwb">$grid</span><span class="hl opt">-&gt;</span><span class="hl kwd">GridPlace</span><span class="hl opt">(</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">);</span> <span class="hl slc">#- Uh?? otherwise the size allocated is bad</span>

	    <span class="hl kwc">my</span> <span class="hl kwb">$scroll</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>VerticalScrollbar<span class="hl opt">(-</span><span class="hl num">1</span><span class="hl opt">, -</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwb">$height,</span> <span class="hl num">9</span><span class="hl opt">,</span> <span class="hl num">10</span><span class="hl opt">);</span>
	    <span class="hl kwc">my</span> <span class="hl kwb">$subf</span> <span class="hl opt">=</span> <span class="hl kwb">$scroll</span><span class="hl opt">-&gt;</span><span class="hl kwd">Form</span><span class="hl opt">(</span><span class="hl str">&apos;&apos;</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">);</span>
	    <span class="hl kwb">$subf</span><span class="hl opt">-&gt;</span><span class="hl kwd">FormSetHeight</span><span class="hl opt">(</span><span class="hl kwb">$height</span><span class="hl opt">);</span>
	    <span class="hl kwb">$subf</span><span class="hl opt">-&gt;</span><span class="hl kwd">FormAddGrid</span><span class="hl opt">(</span><span class="hl kwb">$grid,</span> <span class="hl num">0</span><span class="hl opt">);</span>
	    Newt<span class="hl opt">::</span>Grid<span class="hl opt">::</span>HCloseStacked<span class="hl opt">(</span><span class="hl kwb">$subf,</span> separator<span class="hl opt">(</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwb">$height</span><span class="hl opt">),</span> <span class="hl kwb">$scroll</span><span class="hl opt">);</span>
	<span class="hl opt">}</span> <span class="hl kwa">else</span> <span class="hl opt">{</span>
	    <span class="hl kwb">$grid</span><span class="hl opt">;</span>
	<span class="hl opt">}</span>
    <span class="hl opt">};</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$buttons, $ok, $cancel</span><span class="hl opt">) =</span> Newt<span class="hl opt">::</span>Grid<span class="hl opt">::</span>ButtonBar<span class="hl opt">(</span><span class="hl kwb">$common</span><span class="hl opt">-&gt;{</span>ok<span class="hl opt">} ||</span> _<span class="hl opt">(</span><span class="hl str">&quot;Ok&quot;</span><span class="hl opt">),</span> if_<span class="hl opt">(</span><span class="hl kwb">$common</span><span class="hl opt">-&gt;{</span>cancel<span class="hl opt">},</span> <span class="hl kwb">$common</span><span class="hl opt">-&gt;{</span>cancel<span class="hl opt">}));</span>

    <span class="hl kwc">my</span> <span class="hl kwb">$form</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>Form<span class="hl opt">(</span>\<span class="hl kwc">undef</span><span class="hl opt">,</span> <span class="hl str">&apos;&apos;</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">);</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$window</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Grid<span class="hl opt">::</span>GridBasicWindow<span class="hl opt">(</span>first<span class="hl opt">(</span>myTextbox<span class="hl opt">(</span><span class="hl kwb">&#64;widgets</span> <span class="hl opt">==</span> <span class="hl num">0</span><span class="hl opt">, &#64;{</span><span class="hl kwb">$common</span><span class="hl opt">-&gt;{</span>messages<span class="hl opt">}})),</span> <span class="hl kwb">$listg, $buttons</span><span class="hl opt">);</span>
    <span class="hl kwb">$window</span><span class="hl opt">-&gt;</span><span class="hl kwd">GridWrappedWindow</span><span class="hl opt">(</span><span class="hl kwb">$common</span><span class="hl opt">-&gt;{</span>title<span class="hl opt">} ||</span> <span class="hl str">&apos;&apos;</span><span class="hl opt">);</span>
    <span class="hl kwb">$form</span><span class="hl opt">-&gt;</span><span class="hl kwd">FormAddGrid</span><span class="hl opt">(</span><span class="hl kwb">$window,</span> <span class="hl num">1</span><span class="hl opt">);</span>

    <span class="hl kwc">my</span> <span class="hl kwb">$check</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span>
	<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$f</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>

	<span class="hl kwb">$get_all</span><span class="hl opt">-&gt;();</span>
	<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$error, $focus</span><span class="hl opt">) =</span> <span class="hl kwb">$f</span><span class="hl opt">-&gt;();</span>
	
	<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwb">$error</span><span class="hl opt">) {</span>
	    <span class="hl kwb">$set_all</span><span class="hl opt">-&gt;();</span>
	<span class="hl opt">}</span>
	<span class="hl opt">!</span><span class="hl kwb">$error</span><span class="hl opt">;</span>
    <span class="hl opt">};</span>

    <span class="hl kwc">my</span> <span class="hl kwb">$canceled</span><span class="hl opt">;</span>
    <span class="hl kwa">do</span> <span class="hl opt">{</span>
	<span class="hl kwc">my</span> <span class="hl kwb">$r</span> <span class="hl opt">=</span> <span class="hl kwb">$form</span><span class="hl opt">-&gt;</span><span class="hl kwd">RunForm</span><span class="hl opt">;</span>
	<span class="hl kwa">foreach</span> <span class="hl opt">(</span><span class="hl kwb">&#64;widgets</span><span class="hl opt">) {</span>
	    <span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwb">$$r</span> <span class="hl opt">== ${</span><span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>w<span class="hl opt">}}) {</span>
		<span class="hl kwb">$form</span><span class="hl opt">-&gt;</span><span class="hl kwd">FormDestroy</span><span class="hl opt">;</span>
		Newt<span class="hl opt">::</span>PopWindow<span class="hl opt">;</span>
		<span class="hl kwb">$_</span><span class="hl opt">-&gt;{</span>e<span class="hl opt">}{</span>clicked<span class="hl opt">}();</span>
		<span class="hl kwa">return</span> ask_fromW<span class="hl opt">(</span><span class="hl kwb">$o, $common, $l, $l2</span><span class="hl opt">);</span>
	    <span class="hl opt">}</span>
	<span class="hl opt">}</span>
	<span class="hl kwb">$canceled</span> <span class="hl opt">=</span> <span class="hl kwb">$cancel</span> <span class="hl opt">&amp;&amp;</span> <span class="hl kwb">$$r</span> <span class="hl opt">==</span> <span class="hl kwb">$$cancel</span><span class="hl opt">;</span>

    <span class="hl opt">}</span> <span class="hl kwa">until</span> <span class="hl opt">(</span><span class="hl kwb">$check</span><span class="hl opt">-&gt;(</span><span class="hl kwb">$common</span><span class="hl opt">-&gt;{</span>callbacks<span class="hl opt">}{</span><span class="hl kwb">$canceled</span> ? <span class="hl str">&apos;canceled&apos;</span> <span class="hl opt">:</span> <span class="hl str">&apos;complete&apos;</span><span class="hl opt">}));</span>

    <span class="hl kwb">$form</span><span class="hl opt">-&gt;</span><span class="hl kwd">FormDestroy</span><span class="hl opt">;</span>
    Newt<span class="hl opt">::</span>PopWindow<span class="hl opt">;</span>
    <span class="hl opt">!</span><span class="hl kwb">$canceled</span><span class="hl opt">;</span>
<span class="hl opt">}</span>


<span class="hl kwa">sub</span> waitbox <span class="hl opt">{</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$title, $messages</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$t, $w, $h</span><span class="hl opt">) =</span> myTextbox<span class="hl opt">(</span><span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwb">&#64;$messages</span><span class="hl opt">);</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$f</span> <span class="hl opt">=</span> Newt<span class="hl opt">::</span>Component<span class="hl opt">::</span>Form<span class="hl opt">(</span>\<span class="hl kwc">undef</span><span class="hl opt">,</span> <span class="hl str">&apos;&apos;</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">);</span>
    Newt<span class="hl opt">::</span>CenteredWindow<span class="hl opt">(</span><span class="hl kwb">$w, $h, $title</span><span class="hl opt">);</span>
    <span class="hl kwb">$f</span><span class="hl opt">-&gt;</span><span class="hl kwd">FormAddComponent</span><span class="hl opt">(</span><span class="hl kwb">$t</span><span class="hl opt">);</span>
    <span class="hl kwb">$f</span><span class="hl opt">-&gt;</span><span class="hl kwd">DrawForm</span><span class="hl opt">;</span>
    Newt<span class="hl opt">::</span>Refresh<span class="hl opt">;</span>
    <span class="hl kwb">$f</span><span class="hl opt">-&gt;</span><span class="hl kwd">FormDestroy</span><span class="hl opt">;</span>
    <span class="hl kwc">push</span> <span class="hl kwb">&#64;wait_messages, $f</span><span class="hl opt">;</span>
    <span class="hl kwb">$f</span><span class="hl opt">;</span>
<span class="hl opt">}</span>


<span class="hl kwa">sub</span> wait_messageW <span class="hl opt">{</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$o, $title, $messages</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>
    <span class="hl opt">{</span> form <span class="hl opt">=&gt;</span> waitbox<span class="hl opt">(</span><span class="hl kwb">$title, $messages</span><span class="hl opt">),</span> title <span class="hl opt">=&gt;</span> <span class="hl kwb">$title</span> <span class="hl opt">};</span>
<span class="hl opt">}</span>

<span class="hl kwa">sub</span> wait_message_nextW <span class="hl opt">{</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$o, $messages, $w</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>
    <span class="hl kwb">$o</span><span class="hl opt">-&gt;</span><span class="hl kwd">wait_message_endW</span><span class="hl opt">(</span><span class="hl kwb">$w</span><span class="hl opt">);</span>
    <span class="hl kwb">$o</span><span class="hl opt">-&gt;</span><span class="hl kwd">wait_messageW</span><span class="hl opt">(</span><span class="hl kwb">$w</span><span class="hl opt">-&gt;{</span>title<span class="hl opt">},</span> <span class="hl kwb">$messages</span><span class="hl opt">);</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> wait_message_endW <span class="hl opt">{</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$o, $w</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$wait</span> <span class="hl opt">=</span> <span class="hl kwc">pop</span> <span class="hl kwb">&#64;wait_messages</span><span class="hl opt">;</span>
<span class="hl slc">#    log::l(&quot;interactive_newt does not handle none stacked wait-messages&quot;) if $w-&gt;{form} != $wait;</span>
    Newt<span class="hl opt">::</span>PopWindow<span class="hl opt">;</span>
<span class="hl opt">}</span>


<span class="hl num">1</span><span class="hl opt">;</span>
</code></pre></td></tr></table>
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