package Shiar_Sheet::Keyboard;
+use 5.010;
use strict;
use warnings;
no warnings 'uninitialized'; # save some useless checks for more legible code
use Carp;
-our $VERSION = '1.02';
+our $VERSION = 'v2.06';
my @casedesc = (undef, qw/shift ctrl meta/, 'shift meta');
my @rowdesc = qw(numeric top home bottom);
);
sub new {
- my $self = shift;
- my ($keys) = @_;
+ my $class = shift;
+ my ($self) = @_;
+
+ croak 'Invalid keyboard definitions specified' unless ref $self eq 'HASH';
+ croak 'No key definitions specified' unless ref $self->{def} eq 'HASH';
+ $self->{map} ||= 'qwerty';
- croak 'Invalid key table specified' unless ref $keys eq 'HASH';
- my $parent = (caller)[0]; # calling module
- my $sign = do {
- no strict 'refs'; # temporarily allow variable references
- \%{ $parent.'::sign' }; # return %sign from parent
+ $self->{sign} ||= do {
+ require Shiar_Sheet::KeySigns;
+ Shiar_Sheet::KeySigns->VERSION(1.04);
+ \%Shiar_Sheet::KeySigns::sign;
};
- croak "%${parent}::sign not found" unless %$sign;
- bless {sign => $sign, keys => $keys, map => 'qwerty'}, $self;
+ bless $self, $class;
}
sub map {
return $_;
}
+sub escapedesc {
+ my $self = shift;
+ local $_ = shift;
+ s{ (< ([^>]*) >) }{ $self->{sign}->{$2} // $1 }xeg;
+ return $_;
+}
+
sub keyunalias {
my $self = shift;
my ($key, $ancestry) = @_;
$key =~ s/(\S*?)(\+?\^?\S)($|\s.*)/$2/;
my $mode = $1;
- my $keyinfo = $self->{keys}->{$mode}->{$key};
+ my $keyinfo = $self->{def}->{$mode}->{$key};
- return [] unless defined $keyinfo;
- return $keyinfo if ref $keyinfo;
- return if $ancestry->{$key}++; # endless loop failsafe
+ return unless defined $keyinfo;
+ $keyinfo =~ s/^=// or return $keyinfo;
+ return '' if $ancestry->{$key}++; # endless loop failsafe
return $self->keyunalias($keyinfo, $ancestry);
}
sub print_key {
my $self = shift;
- my ($mode, $key, $keyinfo) = @_;
-
- $keyinfo = [ $self->{sign}->{alias}.$keyinfo, $self->keyunalias($keyinfo)->[1] . ' alias' ]
- if defined $keyinfo and not ref $keyinfo; # alias
- my ($desc, $flags, $mnem) = @$keyinfo if defined $keyinfo;
- defined $desc or $flags = $key eq '^0' ? 'ni' : 'no';
+ my ($mode, $key, $flags) = @_;
+ my ($desc, $mnem);
+
+ if (not defined $flags) {
+ $flags = $key eq '^0' ? 'ni' : 'no';
+ }
+ elsif ($flags =~ s/^=//) { # alias
+ $desc = $self->{sign}->{alias};
+ $desc .= $flags eq "\e" ? 'esc' : $flags;
+ $flags = $self->keyunalias($flags) . ' alias';
+ }
+ if (my $txt = $self->{key}->{$mode.$key}) {
+ ($desc, $mnem) = split /\n/, $self->escapedesc($txt);
+ }
# $key = $keytrans{$key} if defined $keytrans{$key};
- my $keytxt = $mode . escapehtml($key) if $key ne '^0';
+ my $keytxt = $key eq "\e" ? 'Esc' : $self->{def}{$mode}{lead} . escapehtml($key) if $key ne '^0';
$keytxt .= $self->{sign}->{$1} while $flags =~ s/(?:^| )(arg[a-ln-z]?)\b//; # arguments
$keytxt .= "<small>$self->{sign}->{motion}</small>" if $flags =~ s/ ?\bargm\b//; # motion argument
$keytxt =~ s{\^(?=.)}{<small>^</small>}; # element around ctrl-identifier
- my $onclick = $flags =~ s/ ?\bmode(\S*)// && defined $self->{keys}{$1} && sprintf(
+ $keytxt =~ s{\+(?=.)}{<small>+</small>}; # meta
+ my $keyhint = defined($mnem) && qq{ title="$mnem"};
+ $keytxt = "<b$keyhint>$keytxt</b>";
+ $keytxt .= ' '.$desc if defined $desc;
+ $keytxt = qq{<a href="/$1">$keytxt</a>} if $flags =~ s/ ?\blink(\S*)//;
+ my $onclick = $flags =~ s/ ?\bmode(\S*)// && defined $self->{def}{$1} && sprintf(
' onclick="setmode(%s)"',
$1 eq '' ? '' : sprintf(q{'mode%s'}, escapeclass($1))
);
- $onclick .= sprintf(q{ onclick="document.location='%s'"}, $1)
- if $flags =~ s/ ?\blink(\S*)//;
- my $keyhint = defined($mnem) && qq{ title="$mnem"};
+ $flags .= ' chr'.ord(substr $key, -1) if $key ne '^0';
- print qq{\t\t<li class="$flags"$onclick><b$keyhint>$keytxt</b>};
- print ' ', $desc if defined $desc;
+ print qq{\t\t<td class="$flags"$onclick>$keytxt};
print "\n";
}
sub print_rows {
my $self = shift;
- my $static = shift;
- my @moderows = $static ? split(/\s+/, $static) : sort keys %{ $self->{keys} };
+ my ($rowsspec, $defrows) = @_;
+ $defrows ||= [2, 1, 0];
+ my %moderows = (
+ -DEFAULT => defined $rowsspec && $rowsspec ne '' &&
+ split(/\s* ([^=\s]*) = \s*/x, $rowsspec),
+ # plus specific mode overrides prefixed by '='
+ );
+ my @modes = sort keys %{ $self->{def} };
- for (my $row = 0; $row <= $#{ $keyrows{$self->{map}} }; $row++) {
- my $keyrow = $keyrows{$self->{map}}->[$row];
+ print '<table id="rows" class="keys">'."\n\n";
- print qq{<li class="row row$row"><ul>\n};
- for my $modefull (@moderows) {
- my $mode = $modefull;
- my @showcase = $mode =~ s/(\d+)(?:-(\d+))?$//
- ? (map {$_ - 1} split //, $row == 0 && $2 || $1) : (2, 1, 0);
- my $modekeys = $self->{keys}{$mode};
+ for (my $row = -1; $row <= $#{ $keyrows{$self->{map}} }; $row++) {
+ my $keyrow = $row < 0 ? [["\e"]] : $keyrows{$self->{map}}->[$row];
- for my $case (@showcase) {
+ printf qq{<tbody class="row row%d">\n}, $row+1;
+ for my $basemode (@modes) {
+ my @moderows = split /\s+/,
+ $row < 0 ? '1' : # top row (esc key) always unshifted
+ $moderows{$basemode} // $moderows{-DEFAULT};
+
+ for my $submode (@moderows ? @moderows : '') {
+ my $mode = $basemode . $submode;
+ my @caserows = $mode =~ s/(\d+)(?:-(\d+))?$//
+ ? (map {$_ - 1} split //, $row == 0 && $2 || $1) # user override
+ : @$defrows; # default
+ my $modekeys = $self->{def}{$mode};
+
+ for my $case (@caserows) {
my $keycase = $keyrow->[$case] or next;
@$keycase or next;
+ my @caseclass;
+ push @caseclass, 'mode', 'mode'.escapeclass($basemode) if $basemode ne '';
+ push @caseclass, 'lead' if defined $modekeys->{lead}; # leading command key shown
+ push @caseclass, $casedesc[$case] if defined $casedesc[$case];
- printf "\t<li%s>", $mode ne '' && sprintf(
- ' class="%s"', ($static ? '' : 'mode ') . 'mode' . escapeclass($mode)
+ printf "\t<tr%s>", @caseclass > 0 && sprintf(
+ ' class="%s"', join ' ', @caseclass
);
- printf("<h3>%s<small>: %s</small></h3>\n", # XXX insert here to fix msie<=6
- $modekeys->{desc} || "mode $mode",
+ printf('<th>%s<small>: %s</small></th>', # XXX insert here to fix msie<=6
+ $self->escapedesc($self->{mode}->{$mode} || "mode $basemode"),
"$rowdesc[$row] row $casedesc[$case]"
- );
- my $caseclass = 'keys';
- $caseclass .= ' lead' if defined $modekeys->{lead}; # leading command key shown
- $caseclass .= " $casedesc[$case]" if defined $casedesc[$case];
- print qq{\t\t<ul class="$caseclass">\n};
- $self->print_key($modekeys->{lead}, $_, $modekeys->{$_}) for @$keycase;
- print qq{\t\t</ul>\n};
+ ) unless $row < 0;
+ print "\n";
+ $self->print_key($mode, $_, $modekeys->{$_}) for @$keycase;
+ print qq{\t\t</tr>\n};
} # case
- } # mode
- print qq{\t</ul>\n};
+ } # submode
+
+ } # basemode
+ print qq{\t</tbody>\n};
} # row
+
+ print "</table>\n";
+}
+
+sub print_legend {
+ my $self = shift;
+ my ($class, $flags) = @_;
+
+ print qq{\t\t<dl class="legend $class">\n};
+ printf("\t\t".'<dt class="%s">%s'."\n\t\t\t".'<dd>%s'."\n",
+ $_, map { $self->escapedesc($_) } @{ $self->{flag}->{$_} || ["($_)", '...'] }
+ ) for @$flags;
+ print "\t\t</dl>";
}
1;
our %sign = (alias => 'see: ');
my $keys = Shiar_Sheet::Keyboard({
- 'mode' => {
- desc => 'mode description',
- 'A' => 'a', # alias
- 'a' => ['description', 'classes', 'comments (on hover)'],
+ def => {
+ 'lead' => {
+ 'A' => '=a', # alias
+ 'a' => 'classes',
+ },
+ },
+ key => {
+ 'leada' => ['description', 'comments (on hover)'],
+ },
+ mode => {
+ 'lead' => 'mode description',
},
});
$keys->map('dvorak') or die "Keyboard map not found";