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Getopt.pm
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Getopt.pm
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# -*- perl -*-
#
# Author: Slaven Rezic
#
# Copyright (C) 1997,1998,1999,2000,2003,2007,2008,2012,2014,2017 Slaven Rezic. All rights reserved.
# This package is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
#
# Mail: [email protected]
# WWW: http://www.rezic.de/eserte/
#
package Tk::Getopt;
require 5.005; # calling CODE refs
use strict;
use vars qw($loadoptions $VERSION $x11_pass_through
$CHECKMARK_OFF $CHECKMARK_ON
$FILE_IMAGE $CURR_GEOMETRY_IMAGE $DEBUG
);
use constant OPTNAME => 0;
use constant OPTTYPE => 1;
use constant DEFVAL => 2;
use constant OPTEXTRA => 3;
use Carp qw();
$VERSION = '0.52';
$VERSION =~ s{_}{};
$DEBUG = 0;
$x11_pass_through = 0;
sub new {
my($pkg, %a) = @_;
my $self = {};
$self->{'options'} = delete $a{'-options'} if exists $a{'-options'};
if (exists $a{'-opttable'}) {
$self->{'opttable'} = delete $a{'-opttable'};
foreach (@{$self->{'opttable'}}) {
# Convert from new style without hash for extra options for
# internal operation.
# ['opt', '=s', 'defval', 'x' => 'y', 'z' => 'a', ...] into
# ['opt', '=s', 'defval', {'x' => 'y', 'z' => 'a', ...}]
if (ref $_ eq 'ARRAY' and
defined $_->[OPTEXTRA] and
ref $_->[OPTEXTRA] ne 'HASH') {
if ((@$_ - OPTEXTRA) % 2 != 0) {
warn "Odd number of elements in definition for " . $_->[OPTNAME];
}
my %h = splice @$_, OPTEXTRA;
$_->[OPTEXTRA] = \%h;
}
# Handle aliases
if (ref $_ eq 'ARRAY' && $_->[OPTNAME] =~ /\|/) {
my($opt, @aliases) = split(/\|/, $_->[OPTNAME]);
$_->[OPTNAME] = $opt;
push(@{$_->[OPTEXTRA]{'aliases'}}, @aliases);
}
}
} elsif (exists $a{'-getopt'}) {
# build opttable from -getopt argument
my @optionlist;
my $genprefix = "(--|-|\\+)";
if (ref $a{'-getopt'} eq 'HASH') {
# convert hash to array
@optionlist
= map { ($_, $a{'-getopt'}->{$_}) } keys %{$a{'-getopt'}};
} else {
@optionlist = @{$a{'-getopt'}};
}
delete $a{'-getopt'};
# check if first argument is hash reference
if (ref $optionlist[0] eq 'HASH') {
$self->{'options'} = shift @optionlist;
}
while (@optionlist > 0) {
my $opt = shift @optionlist;
# Strip leading prefix so people can specify "--foo=i"
# if they like.
$opt = $2 if $opt =~ /^($genprefix)+(.*)$/;
if ($opt !~ /^(\w+[-\w|]*)?(!|[=:][infse][@%]?)?$/) {
warn "Error in option spec: \"", $opt, "\"\n";
next;
}
my($o, $c) = ($1, $2);
$c = '' unless defined $c;
my @aliases;
if ($o =~ /\|/) {
# Handle alias names
@aliases = split(/\|/, $o);
$o = shift @aliases;
}
my $varref;
# If no linkage is supplied in the @optionlist, copy it from
# the userlinkage ($self->{'options'}) if available.
if (defined $self->{'options'} && !ref $optionlist[0]) {
$varref = (exists $self->{'options'}{$o} ?
$self->{'options'}{$o} :
\$self->{'options'}{$o});
} elsif (ref $optionlist[0]) {
# link to global variable
$varref = shift @optionlist;
}
my %a;
if (defined $varref) {
if (ref $varref eq 'CODE') {
my $code = $varref;
$a{'callback'} = sub {
if ($self->{'options'}{$o}) {
&$code;
}
};
$varref = \$self->{'options'}{$o};
}
if (ref($varref) =~ /^(SCALAR|HASH|ARRAY)$/) {
$a{'var'} = $varref;
} else {
die "Can't handle variable reference of type "
. ref $varref;
}
}
if (@aliases) {
$a{'alias'} = \@aliases;
}
push(@{$self->{'opttable'}}, [$o, $c, undef, \%a]);
}
} else {
die "No opttable array ref or getopt hash ref";
}
$self->{'caller'} = (caller)[0];
$self->{'filename'} = delete $a{'-filename'};
$self->{'nosafe'} = delete $a{'-nosafe'};
$self->{'useerrordialog'} = delete $a{'-useerrordialog'};
die "Unrecognized arguments: " . join(" ", %a) if %a;
bless $self, $pkg;
}
# Return a list with all option names, that is, section labels and
# descriptions are ignored.
sub _opt_array {
my $self = shift;
my @res;
foreach (@{$self->{'opttable'}}) {
push @res, $_
if ref $_ eq 'ARRAY' and
$_->[OPTNAME] ne '';
}
@res;
}
# Return a reference to the option variable given by $opt
sub varref {
my($self, $opt) = @_;
if($opt->[OPTEXTRA]{'var'}) {
$opt->[OPTEXTRA]{'var'};
} elsif ($self->{'options'}) {
\$self->{'options'}{$opt->[OPTNAME]};
} else {
# Link to global $opt_XXX variable.
# Make sure a valid perl identifier results.
my $v;
($v = $opt->[OPTNAME]) =~ s/\W/_/g;
eval q{\$} . $self->{'caller'} . q{::opt_} . $v; # XXX @, %
}
}
# Formerly the varref method was private:
sub _varref { shift->varref(@_) }
sub optextra {
my($self, $opt, $arg) = @_;
$opt->[OPTEXTRA]{$arg};
}
sub _is_separator {
my $opt = shift;
defined $opt->[OPTNAME] && $opt->[OPTNAME] eq '' &&
defined $opt->[DEFVAL] && $opt->[DEFVAL] eq '-';
}
sub set_defaults {
my $self = shift;
my $opt;
foreach $opt ($self->_opt_array) {
if (defined $opt->[DEFVAL]) {
my $ref = ref $self->varref($opt);
if ($ref eq 'ARRAY') {
@ {$self->varref($opt)} = @{ $opt->[DEFVAL] };
} elsif ($ref eq 'HASH') {
% {$self->varref($opt)} = %{ $opt->[DEFVAL] };
} elsif ($ref eq 'SCALAR') {
$ {$self->varref($opt)} = $opt->[DEFVAL];
} else {
die "Invalid reference type for option $opt->[OPTNAME] while setting the default value (maybe you should specify <undef> as the default value)";
}
}
}
}
sub load_options {
my($self, $filename) = @_;
$filename = $self->{'filename'} if !$filename;
return if !$filename;
require File::Spec;
if (!-e $filename) {
warn "File $filename does not exist";
return undef;
}
if (!File::Spec->file_name_is_absolute($filename)) {
# required for do operation with PERL_USE_UNSAFE_INC=0
$filename = File::Spec->rel2abs($filename);
}
if ($self->{'nosafe'}) {
require Safe;
my $c = new Safe;
$c->share('$loadoptions');
if (!$c->rdo($filename)) {
warn "Can't load $filename";
return undef;
}
} else {
eval {do $filename};
if ($@) {
warn $@;
return undef;
}
}
my $opt;
foreach $opt ($self->_opt_array) {
if (exists $loadoptions->{$opt->[OPTNAME]}) {
if (ref $self->varref($opt) eq 'CODE') {
$self->varref($opt)->($opt, $loadoptions->{$opt->[OPTNAME]}) if $loadoptions->{$opt->[OPTNAME]};
} elsif (ref $self->varref($opt) eq 'ARRAY' &&
ref $loadoptions->{$opt->[OPTNAME]} eq 'ARRAY') {
@{ $self->varref($opt) } = @{ $loadoptions->{$opt->[OPTNAME]} };
} elsif (ref $self->varref($opt) eq 'HASH' &&
ref $loadoptions->{$opt->[OPTNAME]} eq 'HASH') {
%{ $self->varref($opt) } = %{ $loadoptions->{$opt->[OPTNAME]} };
} else {
$ {$self->varref($opt)} = $loadoptions->{$opt->[OPTNAME]};
}
}
}
1;
}
sub save_options {
my($self, $filename) = @_;
$filename = $self->{'filename'} if !$filename;
die "Saving disabled" if !$filename;
eval "require Data::Dumper";
if ($@) {
warn $@;
$self->my_die("No Data::Dumper available, cannot save options.\n");
} else {
if (open(OPT, ">$filename")) {
my %saveoptions;
my $opt;
foreach $opt ($self->_opt_array) {
if (!$opt->[OPTEXTRA]{'nosave'}) {
my $ref;
if ($opt->[OPTEXTRA]{'savevar'}) {
$ref = $opt->[OPTEXTRA]{'savevar'};
} else {
$ref = $self->varref($opt);
}
if (ref($ref) eq 'SCALAR') {
$saveoptions{$opt->[OPTNAME]} = $$ref;
} elsif (ref($ref) =~ /^(HASH|ARRAY)$/) {
$saveoptions{$opt->[OPTNAME]} = $ref;
}
}
}
local $Data::Dumper::Sortkeys = $Data::Dumper::Sortkeys = 1;
local $Data::Dumper::Indent = $Data::Dumper::Indent = 1;
if (Data::Dumper->can('Dumpxs')) {
# use faster version of Dump
print OPT
Data::Dumper->Dumpxs([\%saveoptions], ['loadoptions']);
} else {
print OPT
Data::Dumper->Dump([\%saveoptions], ['loadoptions']);
}
close OPT;
warn "Options written to $filename" if $DEBUG;
1;
} else {
$self->my_die("Writing to config file <$filename> failed: $!\n");
undef;
}
}
}
sub get_options {
my $self = shift;
my %getopt;
my $opt;
foreach $opt ($self->_opt_array) {
$getopt{_getopt_long_string($opt->[OPTNAME], $opt->[OPTTYPE])} =
$self->varref($opt);
# process aliases
foreach (@{$opt->[OPTEXTRA]{'alias'}}) {
$getopt{_getopt_long_string($_, $opt->[OPTTYPE])} =
$self->varref($opt);
}
}
require Getopt::Long;
# XXX anders implementieren ... vielleicht die X11-Optionen zusätzlich
# in die %getopt-Liste reinschreiben?
if ($x11_pass_through) {
Getopt::Long::config('pass_through');
}
my $res = Getopt::Long::GetOptions(%getopt);
# Hack to pass standard X11 options (as defined in Tk::CmdLine)
if ($x11_pass_through) {
eval {
require Tk::CmdLine;
if ($Tk::CmdLine::VERSION >= 3.012) {
# XXX nicht ausgetestet
my @args = @ARGV;
while (@args && $args[0] =~ /^-(\w+)$/) {
my $sw = $1;
return 0 if !$Tk::CmdLine::Method{$sw};
if ($Tk::CmdLine::Method{$sw} ne 'Flag_') {
shift @args;
}
shift @args;
}
} else {
my $flag_ref = \&Tk::CmdLine::flag;
my @args = @ARGV;
while (@args && $args[0] =~ /^-(\w+)$/) {
my $sw = $1;
return 0 if !$Tk::CmdLine::switch{$sw};
if ($Tk::CmdLine::switch{$sw} ne $flag_ref) {
shift @args;
}
shift @args;
}
}
$res = 1;
};
warn $@ if $@;
}
$res;
}
# Builds a string for Getopt::Long. Arguments are option name and option
# type (e.g. '!' or '=s').
sub _getopt_long_string {
my($option, $type) = @_;
$option . (length($option) == 1 &&
(!defined $type || $type eq '' || $type eq '!')
? '' : $type);
}
# Prints option name with one or two dashes
sub _getopt_long_dash {
my $option = shift;
(length($option) == 1 ? '' : '-') . "-$option";
}
sub usage {
my $self = shift;
my $usage = "Usage: $0 [options]\n";
my $opt;
foreach $opt ($self->_opt_array) {
# The following prints all options as a comma-seperated list
# with one or two dashes, depending on the length of the option.
# Options are sorted by length.
$usage .= join(', ',
sort { length $a <=> length $b }
map { _getopt_long_dash($_) }
map { ($opt->[OPTTYPE] eq '!' ? "[no]" : "") . $_ }
($opt->[OPTNAME], @{$opt->[OPTEXTRA]{'alias'}}));
$usage .= "\t";
$usage .= $opt->[OPTEXTRA]{'help'} if $opt->[OPTEXTRA]{'help'};
$usage .= " (default: " . $opt->[DEFVAL] . ") " if $opt->[DEFVAL];
$usage .= "\n";
}
$usage;
}
sub process_options {
my($self, $former, $fromgui) = @_;
my $bag = {};
foreach my $optdef ($self->_opt_array) {
my $opt = $optdef->[OPTNAME];
my $callback;
if ($fromgui) {
$callback = $optdef->[OPTEXTRA]{'callback-interactive'};
}
if (!$callback) {
$callback = $optdef->[OPTEXTRA]{'callback'};
}
if ($callback) {
# no warnings here ... it would be too complicated to catch
# all undefined values
my $old_w = $^W;
local($^W) = 0;
# execute callback if value has changed
if (!(defined $former
&& (!exists $former->{$opt}
|| $ {$self->varref($optdef)} eq $former->{$opt}))) {
local($^W) = $old_w; # fall back to original value
&$callback(optdef => $optdef, bag => $bag);
}
}
if ($optdef->[OPTEXTRA]{'strict'} &&
UNIVERSAL::isa($optdef->[OPTEXTRA]{'choices'},'ARRAY')) {
# check for valid values (valid are: choices and default value)
my $v = $ {$self->varref($optdef)};
my @choices = @{$optdef->[OPTEXTRA]{'choices'}};
push(@choices, $optdef->[DEFVAL]) if defined $optdef->[DEFVAL];
my $seen;
for my $choice (@choices) {
my $value = (ref $choice eq 'ARRAY' ? $choice->[1] : $choice);
if ($value eq $v) {
$seen = 1;
last;
}
}
if (!$seen) {
if (defined $former) {
warn "Not allowed: " . $ {$self->varref($optdef)}
. " for -$opt. Using old value $former->{$opt}";
$ {$self->varref($optdef)} = $former->{$opt};
} else {
die "Not allowed: "
. $ {$self->varref($optdef)} . " for -$opt\n"
. "Allowed is only: " . join(", ", @choices);
}
}
}
}
}
sub my_die {
my($self, $msg, $is_safe) = @_;
my $use_tk;
if ($self->{'useerrordialog'} && defined &Tk::MainWindow::Existing) {
for my $mw (Tk::MainWindow::Existing()) {
if (Tk::Exists($mw)) {
$use_tk = $mw;
last;
}
}
if ($use_tk && !defined $is_safe) {
for(my $i=0; $i<100; $i++) {
my(undef,undef,undef,$subroutine) = caller($i);
last if !defined $subroutine;
if ($subroutine eq '(eval)') {
$use_tk = 0;
last;
}
}
}
}
if ($use_tk) {
eval {
$use_tk->messageBox(-icon => "error",
-message => $msg,
-title => "Error",
);
};
if ($@) {
Carp::croak($msg);
}
} else {
Carp::croak($msg);
}
}
# try to work around weird browse entry
sub _fix_layout {
my($self, $frame, $widget, %args) = @_;
my($w, $real_w);
if ($Tk::VERSION < 804) {
my $f = $frame->Frame;
$f->Label->pack(-side => "left"); # dummy
$real_w = $f->$widget(%args)->pack(-side => "left", -padx => 1);
$w = $f;
} else {
$w = $real_w = $frame->$widget(%args);
}
($w, $real_w);
}
sub _boolean_widget {
my($self, $frame, $opt) = @_;
($self->_fix_layout($frame, "Checkbutton",
-variable => $self->varref($opt)))[0];
}
sub _boolean_checkmark_widget {
# XXX hangs with Tk800.014?!
my($self, $frame, $opt) = @_;
_create_checkmarks($frame);
($self->_fix_layout($frame, "Checkbutton",
-variable => $self->varref($opt),
-image => $CHECKMARK_OFF,
-selectimage => $CHECKMARK_ON,
-indicatoron => 0,
))[0];
}
sub _number_widget {
my($self, $frame, $opt) = @_;
($self->_fix_layout($frame, "Scale",
-orient => 'horizontal',
-from => $opt->[OPTEXTRA]{'range'}[0],
-to => $opt->[OPTEXTRA]{'range'}[1],
-showvalue => 1,
-resolution => ($opt->[OPTTYPE] =~ /f/ ? 0 : 1),
-variable => $self->varref($opt)
))[0];
}
sub _integer_widget {
my($self, $frame, $opt) = @_;
if (exists $opt->[OPTEXTRA]{'range'}) {
$self->_number_widget($frame, $opt);
} else {
$self->_string_widget($frame, $opt, -restrict => "=i");
}
}
sub _float_widget {
my($self, $frame, $opt) = @_;
if (exists $opt->[OPTEXTRA]{'range'}) {
$self->_number_widget($frame, $opt);
} else {
$self->_string_widget($frame, $opt, -restrict => "=f");
}
}
sub _list_widget {
my($self, $frame, $opt) = @_;
if ($opt->[OPTEXTRA]{'strict'} && grep { ref $_ eq 'ARRAY' } @{$opt->[OPTEXTRA]{'choices'}}) {
$self->_optionmenu_widget($frame, $opt);
} else {
$self->_browseentry_widget($frame, $opt);
}
}
sub _browseentry_widget {
my($self, $frame, $opt) = @_;
require Tk::BrowseEntry;
my %args = (-variable => $self->varref($opt));
if ($opt->[OPTEXTRA]{'strict'}) {
$args{-state} = "readonly";
}
my $w = $frame->BrowseEntry(%args);
my %mapping;
my @optlist = @{$opt->[OPTEXTRA]{'choices'}};
unshift @optlist, $opt->[DEFVAL] if defined $opt->[DEFVAL];
my $o;
my %seen;
foreach $o (@optlist) {
if (!$seen{$o}) {
$w->insert("end", $o);
$seen{$o}++;
}
}
$w;
}
sub _optionmenu_widget {
my($self, $frame, $opt) = @_;
require Tk::Optionmenu;
my $varref = $self->varref($opt);
# Have to remember value, otherwise Optionmenu would overwrite it...
my $value = $$varref;
my %args = (-variable => $varref,
-options => $opt->[OPTEXTRA]{'choices'},
);
my $w = $frame->Optionmenu(%args);
if (defined $value) {
my $label = $value;
for my $choice (@{ $opt->[OPTEXTRA]{'choices'} }) {
if (ref $choice eq 'ARRAY' && $choice->[1] eq $value) {
$label = $choice->[0];
}
}
$w->setOption($label, $value);
}
$w;
}
sub _string_widget {
my($self, $frame, $opt, %args) = @_;
if (exists $opt->[OPTEXTRA]{'choices'}) {
$self->_list_widget($frame, $opt);
} else {
my($e, $ee) = $self->_fix_layout
($frame, "Entry",
(defined $opt->[OPTEXTRA]{'length'}
? (-width => $opt->[OPTEXTRA]{'length'}) : ()),
-textvariable => $self->varref($opt));
if ($args{-restrict} || defined $opt->[OPTEXTRA]{'maxsize'}) {
my $restrict_int = sub { $_[0] =~ /^([+-]?\d+|)$/ };
my $restrict_float = sub {
$_[0] =~ /^(|([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?)$/
};
my $restrict_len = sub {
length $_[0] <= $opt->[OPTEXTRA]{'maxsize'}
};
eval {
$ee->configure
(-validate => "all",
-vcmd => sub {
($args{-restrict} ne "=i" || $restrict_int->($_[0]))
&&
($args{-restrict} ne "=f" || $restrict_float->($_[0]))
&&
(!defined $opt->[OPTEXTRA]{'maxsize'} || $restrict_len->($_[0]))
});
};
warn $@ if $@;
}
$e;
}
}
sub _dir_select {
my($top, $curr_dir) = @_;
if ($top->can("chooseDirectory")) {
return $top->chooseDirectory(-initialdir => $curr_dir);
}
if (eval { require Tk::DirSelect; Tk::DirSelect->VERSION("1.03"); 1 }) {
return $top->DirSelect(-directory => $curr_dir)->Show;
}
require Tk::DirTree;
my $t = $top->Toplevel;
$t->title("Choose directory:");
my $ok = 0; # flag: "1" means OK, "-1" means cancelled
# Create Frame widget before the DirTree widget, so it's always visible
# if the window gets resized.
my $f = $t->Frame->pack(-fill => "x", -side => "bottom");
my $d;
$d = $t->Scrolled('DirTree',
-scrollbars => 'osoe',
-width => 35,
-height => 20,
-selectmode => 'browse',
-exportselection => 1,
-browsecmd => sub { $curr_dir = shift;
if ($^O ne 'MSWin32') {
$curr_dir =~ s|^//|/|; # bugfix
}
},
# With this version of -command a double-click will
# select the directory
-command => sub { $ok = 1 },
# With this version of -command a double-click will
# open a directory. Selection is only possible with
# the Ok button.
#-command => sub { $d->opencmd($_[0]) },
)->pack(-fill => "both", -expand => 1);
# Set the initial directory
$d->chdir($curr_dir);
$f->Button(-text => 'Ok',
-command => sub { $ok = 1 })->pack(-side => 'left');
$f->Button(-text => 'Cancel',
-command => sub { $ok = -1 })->pack(-side => 'left');
$t->OnDestroy(sub { $ok = -1 });
$f->waitVariable(\$ok);
$t->destroy if Tk::Exists($t);
if ($ok == 1) {
$curr_dir;
} else {
undef;
}
}
sub _filedialog_widget {
my($self, $frame, $opt, %args) = @_;
my $subtype = (exists $args{'-subtype'} ? $args{'-subtype'} : 'file');
my $topframe = $frame->Frame;
my $e;
if (exists $opt->[OPTEXTRA]{'choices'}) {
require Tk::BrowseEntry;
$e = $topframe->BrowseEntry(-variable => $self->varref($opt));
my @optlist = @{$opt->[OPTEXTRA]{'choices'}};
unshift(@optlist, $opt->[DEFVAL]) if defined $opt->[DEFVAL];
my $o;
foreach $o (@optlist) {
$e->insert("end", $o);
}
} else {
if (!eval '
use Tk::PathEntry;
my $real_e;
($e, $real_e) = $self->_fix_layout($topframe, "PathEntry",
-textvariable => $self->varref($opt));
# XXX Escape is already used for cancelling Tk::Getopt
$real_e->bind("<$_>" => sub { $real_e->Finish }) for (qw/Return/);
1;
') {
($e) = $self->_fix_layout($topframe, "Entry",
-textvariable => $self->varref($opt));
}
}
$e->pack(-side => 'left');
my $b = $topframe->Button
(_get_browse_args($topframe),
-command => sub {
require File::Basename;
my($fd, $filedialog);
if ($Tk::VERSION >= 800) {
if ($subtype eq 'dir') {
$fd = '_dir_select';
} elsif ($subtype eq 'savefile') {
$fd = 'getSaveFile';
} elsif ($subtype eq 'file') {
$fd = 'getOpenFile';
} else {
die "Unknown subtype <$subtype>";
}
} else {
$fd = 'FileDialog';
eval {
die "nope" if $subtype eq 'dir';
require Tk::FileDialog;
};
if ($@) {
require Tk::FileSelect;
$fd = 'FileSelect';
}
# XXX set FileDialog options via $opt->[3]{'filedialog_opt'}
if ($fd eq 'FileDialog') {
$filedialog = $topframe->FileDialog
(-Title => 'Select file');
} else {
$filedialog = $topframe->FileSelect;
}
}
my($dir, $base, $file);
my $act_val = $ {$self->varref($opt)};
if ($act_val) {
$dir = File::Basename::dirname($act_val);
$base = File::Basename::basename($act_val);
$dir = '.' if (!-d $dir);
if ($fd =~ /^get(Open|Save)File$/) {
$file = $topframe->$fd(-initialdir => $dir,
-initialfile => $base,
-title => 'Select file',
# XXX erst ab 800.013 (?)
# -force => 1,
);
} elsif ($fd eq '_dir_select') {
$file = _dir_select($topframe, $dir);
} elsif ($fd eq 'FileDialog') {
$file = $filedialog->Show(-Path => $dir,
-File => $base);
} else {
if ($subtype eq 'dir') {
$file = $filedialog->Show(-directory => $dir,
-verify => [qw(-d)],
);
} else {
$file = $filedialog->Show(-directory => $dir);
}
}
} else {
if ($fd =~ /^get(Open|Save)File$/) {
$file = $topframe->$fd(-title => 'Select file');
} elsif ($fd eq '_dir_select') {
require Cwd;
$file = _dir_select($topframe, Cwd::getcwd());
} else {
if ($subtype eq 'dir') {
$file = $filedialog->Show(-verify => [qw(-d)]);
} else {
$file = $filedialog->Show;
}
}
}
if (defined $file && $file ne "") {
$ {$self->varref($opt)} = $file;
}
});
$b->pack(-side => 'left');
$topframe;
}
sub _geometry_widget {
my($self, $frame, $opt) = @_;
my($topframe, $e) = $self->_fix_layout
($frame,
'Entry',
(defined $opt->[OPTEXTRA]{'length'}
? (-width => $opt->[OPTEXTRA]{'length'}) : ()),
-textvariable => $self->varref($opt));
$topframe->Button(_get_curr_geometry_args($topframe),
-command => sub {
my $mw = $frame->MainWindow;
$e->delete(0, "end");
$e->insert("end", $mw->geometry);
},
)->pack(-side => "left");
$topframe;
}
sub _color_widget {
return shift->_string_widget(@_);
# XXX funktioniert leider nicht...
my($self, $frame, $opt) = @_;
my($topframe, $e) = $self->_fix_layout
($frame,
'Entry',
(defined $opt->[OPTEXTRA]{'length'}
? (-width => $opt->[OPTEXTRA]{'length'}) : ()),
-textvariable => $self->varref($opt));
if ($frame->can("chooseColor")) {
$topframe->Button(-text => "...",
-padx => 0, -pady => 0,
-command => sub {
my $color = $frame->chooseColor;
# (-initialcolor => $e->get);
return unless defined $color;
$e->delete(0, "end");
$e->insert("end", $color);
},
)->pack(-side => "left");
}
$topframe;
}
sub _font_widget {
my($self, $frame, $opt) = @_;
my($topframe, $e) = $self->_fix_layout
($frame,
'Entry',
(defined $opt->[OPTEXTRA]{'length'}
? (-width => $opt->[OPTEXTRA]{'length'}) : ()),
-textvariable => $self->varref($opt));
if (eval {require Tk::Font; require Tk::FontDialog; 1}) {
$topframe->Button(-text => "...",
-padx => 0, -pady => 0,
-command => sub {
my $font = $frame->FontDialog
(-initfont => $e->get)->Show;
return unless defined $font;
$e->delete(0, "end");
$e->insert("end", $font->Pattern);
},
)->pack(-side => "left");
}
$topframe;
}
# Creates one page of the Notebook widget
# Arguments:
# $current_page: Frame for drawing
# $optnote: Notebook widget
# $current_top: title of Notebook page
# $optlist: list of options for this Notebook page
# $balloon: Balloon widget
# $msglist: (optional) list of messages for this Notebook page
sub _create_page {
my($self, $current_page,
$optnote, $current_top, $optlist,
$balloon, $msglist) = @_;
$current_page = $optnote->{$current_top} if !defined $current_page;
my $opt;
my $row = -1;
my $msgobj;
if (ref $msglist and
exists $msglist->{$current_top} and
$msglist->{$current_top} ne "") {
$row++;
$msgobj = $current_page->Label(-text => $msglist->{$current_top},
-justify => "left",
)->grid(-row => $row, -column => 0,
-columnspan => 3);
}
foreach $opt (@{$optlist->{$current_top}}) {
my $f = $current_page;
$row++;
if (_is_separator($opt)) {
my $separator = $f->Frame(-height => 2,
)->grid(-row => $row,
-column => 0,
-columnspan => 3,
-pady => 3,
-padx => 3,
-sticky => "ew");
$separator->configure
(-fg => $separator->cget(-bg),
-bg => $separator->Darken($separator->cget(-bg), 60));
next;
}
my $label;
my $w;
if (exists $opt->[OPTEXTRA]{'label'}) {
$label = $opt->[OPTEXTRA]{'label'};
} else {
$label = $opt->[OPTNAME];
if ($label =~ /^(.*)-(.*)$/ && $1 eq $current_top) {
$label = $2;
}
}
my $lw = $f->Label(-text => $label)->grid(-row => $row, -column => 0,
-sticky => 'w');
if (exists $opt->[OPTEXTRA]{'widget'}) {
# own widget
$w = &{$opt->[OPTEXTRA]{'widget'}}($self, $f, $opt);
} elsif (defined $opt->[OPTTYPE] &&
$opt->[OPTTYPE] eq '!' or $opt->[OPTTYPE] eq '') {
$w = $self->_boolean_widget($f, $opt); # XXX _checkmark_
} elsif (defined $opt->[OPTTYPE] && $opt->[OPTTYPE] =~ /i/) {
$w = $self->_integer_widget($f, $opt);
} elsif (defined $opt->[OPTTYPE] && $opt->[OPTTYPE] =~ /f/) {
$w = $self->_float_widget($f, $opt);
} elsif (defined $opt->[OPTTYPE] && $opt->[OPTTYPE] =~ /s/) {
my $subtype = (defined $opt->[OPTEXTRA] &&
exists $opt->[OPTEXTRA]{'subtype'} ?
$opt->[OPTEXTRA]{'subtype'} : "");
if ($subtype eq 'file' ||
$subtype eq 'savefile' ||
$subtype eq 'dir') {
$w = $self->_filedialog_widget($f, $opt, -subtype => $subtype);
} elsif ($subtype eq 'geometry') {
$w = $self->_geometry_widget($f, $opt);
} elsif ($subtype eq 'color') {
$w = $self->_color_widget($f, $opt);
} elsif ($subtype eq 'font') {
$w = $self->_font_widget($f, $opt);
} else {
$w = $self->_string_widget($f, $opt);
}
} else {
warn "Can't generate option editor entry for $opt->[OPTNAME]";
}
if (defined $w) {
$w->grid(-row => $row, -column => 1, -sticky => 'w');
}
if (exists $opt->[OPTEXTRA]{'help'} && defined $balloon) {
$balloon->attach($w, -msg => $opt->[OPTEXTRA]{'help'})
if defined $w;
$balloon->attach($lw, -msg => $opt->[OPTEXTRA]{'help'})
if defined $lw;
}
if (exists $opt->[OPTEXTRA]{'longhelp'}) {
$f->Button(-text => '?',
-padx => 1,
-pady => 1,
-command => sub {
my $t = $f->Toplevel
(-title => $self->{_string}{"helpfor"}
. " $label");
$t->Message(-text => $opt->[OPTEXTRA]{'longhelp'},
-justify => 'left')->pack;
$t->Button(-text => 'OK',
-command => sub { $t->destroy }
)->pack;
$t->Popup(-popover => "cursor");
})->grid(-row => $row, -column => 2, -sticky => 'w');
}
}
$current_page->grid('columnconfigure', 3, -weight => 1);
$current_page->grid('rowconfigure', ++$row, -weight => 1);
}
sub _do_undo {
my($self, $undo_options) = @_;
my $opt;
foreach $opt ($self->_opt_array) {
next if $opt->[OPTEXTRA]{'nogui'};
if (exists $undo_options->{$opt->[OPTNAME]}) {
my $ref = ref $self->varref($opt);
if ($ref eq 'ARRAY') {
my @swap = @ {$self->varref($opt)};
@ {$self->varref($opt)} = @{ $undo_options->{$opt->[OPTNAME]} };
@{ $undo_options->{$opt->[OPTNAME]}} = @swap;
} elsif ($ref eq 'HASH') {
my %swap = % {$self->varref($opt)};