From 9e4b1679d1bbe221f4a4807c85acbbec30b5889e Mon Sep 17 00:00:00 2001 From: "B. Watson" Date: Sun, 7 Apr 2024 12:19:04 -0400 Subject: unifmt.pl: add lots of new formats. --- unifmt.pl | 295 +++++++++++++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 256 insertions(+), 39 deletions(-) (limited to 'unifmt.pl') diff --git a/unifmt.pl b/unifmt.pl index 7280739..39f3c12 100644 --- a/unifmt.pl +++ b/unifmt.pl @@ -20,24 +20,33 @@ in irssi: /script load unifmt.pl =head1 DESCRIPTION unifmt.pl adds keystrokes to irssi that allow you to type double-width -ASCII (Unicode FF00 block) characters, and use Unicode combining -characters to make your text appear underlined (single or double line), -struck out, or "slashed" out. +ASCII (Unicode FF00 block) characters, blackletter characters, and +use Unicode combining characters to make your text appear underlined +(single or double line), struck out, or "slashed" out. Rather than executing the script as an irssi slash-command, the modes are controlled via keystrokes. This allows the formatted text to be mixed -with normal text on the same line of input. Only one of the underline, -strikeout, slashout modes can be enabled at the same time, but they can -be combined with wide mode. +with normal or differently-formatted text on the same line of input. + +There are 2 classes of formatting: "transforms", which convert plain +Latin alphabetics to other characters (such as fraktur or italic), and +"combines", which use plain Latin alphabetics followed by a combining +character (such as an underline). + +You can mix combines and transforms, e.g. underlined fraktur, but only +one combine and one transform can be enabled at a time (so you can't +do e.g. both underline and strikethrough, or both subscript and bold +serif). =head1 KEYSTROKES All the formatting controls must be preceded by a prefix character, -which defaults B<^F> (control-F). The default keystrokes are shown -here; see SETTINGS, below, to change them. +which defaults B<^F> (control-F). =over 4 +=head2 Transforms + =item B<^F w> Enables wide formatting. Each character you type is replaced by its @@ -49,8 +58,86 @@ is a double-width space. All other characters are treated normally. Example: Ｔｈｉｓ　ｉｓ　ｗｉｄｅ　ｔｅｘｔ -Wide formatting can be combined with one (at a time) of the other -formatting options. +=item B<^F b> + +Bold sans serif. + + Example: 𝗧𝗵𝗶𝘀 𝗶𝘀 𝗯𝗼𝗹𝗱 𝘀𝗮𝗻𝘀 + +=item B<^F i> + +Italic sans serif + + Example: 𝘛𝘩𝘪𝘴 𝘪𝘴 𝘪𝘵𝘢𝘭𝘪𝘤 𝘴𝘢𝘯𝘴 + +=item B<^F j> + +Bold italic sans serif + + Example: 𝙏𝙝𝙞𝙨 𝙞𝙨 𝙗𝙤𝙡𝙙 𝙞𝙩𝙖𝙡𝙞𝙘 𝙨𝙖𝙣𝙨 + +=item B<^F B> + +Bold serif. + + Example: 𝐓𝐡𝐢𝐬 𝐢𝐬 𝐛𝐨𝐥𝐝 𝐬𝐞𝐫𝐢𝐟 + +=item B<^F I> + +Italic serif + + Example: 𝑇ℎ𝑖𝑠 𝑖𝑠 𝑖𝑡𝑎𝑙𝑖𝑐 𝑠𝑒𝑟𝑖𝑓 + +=item B<^F J> + +Bold italic serif + + Example: 𝑻𝒉𝒊𝒔 𝒊𝒔 𝒃𝒐𝒍𝒅 𝒊𝒕𝒂𝒍𝒊𝒄 𝒔𝒆𝒓𝒊𝒇 + +=item B<^F 2> + +Double-struck + + Example: 𝕋𝕙𝕚𝕤 𝕚𝕤 𝕕𝕠𝕦𝕓𝕝𝕖-𝕤𝕥𝕣𝕦𝕔𝕜 + +=item B<^F c> + +Cursive + + Example: 𝒯𝒽𝒾𝓈 𝒾𝓈 𝒸𝓊𝓇𝓈𝒾𝓋ℯ + +=item B<^F C> + +Bold cursive + + Example: 𝓣𝓱𝓲𝓼 𝓲𝓼 𝓫𝓸𝓵𝓭 𝓬𝓾𝓻𝓼𝓲𝓿𝓮 + +=item B<^F k> + +Fraktur (aka blackletter) + + Example: 𝔗𝔥𝔦𝔰 𝔦𝔰 𝔣𝔯𝔞𝔨𝔱𝔲𝔯 + +I am aware that the Mathematical Fraktur symbols were never intended +for use as text, but this script is for fun, not for standards compliance. + +=item B<^F K> + + Example: 𝔗𝔥𝔦𝔰 𝔦𝔰 𝔣𝔯𝔞𝔨𝔱𝔲𝔯 + +Bold fraktur (aka blackletter) + + Example: 𝕿𝖍𝖎𝖘 𝖎𝖘 𝖇𝖔𝖑𝖉 𝖋𝖗𝖆𝖐𝖙𝖚𝖗 + +=item B<^F ^> + +Superscript. This isn't perfect: a few superscripted letters only +exist in Unicode as either uppercase or lowercase, so e.g. all +lowercase B characters will display as superscripted capital B. + + Example: ᵀʰᶦˢ ᶦˢ ˢᵘᵖᵉʳˢᶜʳᶦᵖᵗ + +=head2 Combines =item B<^F _> @@ -92,16 +179,16 @@ the B<^F F> combo in any future versions of this script. =item B -String, the 6 keystrokes used to enable the formatting modes. This -defaults to B. The order is: Prefix, Wide, Underline, -Double-Underline, Strikethrough, Slashthrough. The prefix key is used as -a control key, but when you set it, use a regular alphabetic (e.g. don't -say B<^X>, just say B or B). +String, the 6 remappable keystrokes used to enable the formatting +modes. This defaults to B. The order is: Prefix, Wide, +Underline, Double-Underline, Strikethrough, Slashthrough (note: only +the combines are currently remappable; transforms are not). The prefix +key is used as a control key, but when you set it, use a regular +alphabetic (e.g. don't say B<^X>, just say B or B). =item B -Boolean, whether or not to apply formatting to spaces (default: false). -Does not affect wide mode (spaces will always be double-wide). +Boolean, whether or not to apply combines to spaces (default: false). =back @@ -159,7 +246,10 @@ irssi(1), urxvt(1), unicode(7), utf-8(7) =cut -our $VERSION = "0.1"; +use utf8; +use feature 'unicode_strings'; + +our $VERSION = "0.2"; our %IRSSI = ( authors => 'Urchlay', contact => 'Urchlay on FreeNode', @@ -185,14 +275,57 @@ use Irssi qw{ our $SELF = $IRSSI{name}; our $default_keys = "fw_=-/"; -# These 3 are controlled by setting unifmt_keys: +##sub xf_wide { +## my $key = shift; +## if($key == 0x20) { +## $key = 0x3000; +## } elsif($key >= 0x21 && $key <= 0x7e) { +## $key += 0xfee0; +## } +## return $key; +##} + +our %transforms = ( + 'Wide' => \&xf_wide, + 'Bold Serif' => \&xf_boldserif, + 'Italic Serif' => \&xf_italserif, + 'Bold Italic Serif' => \&xf_bolditalserif, + 'Bold Sans' => \&xf_boldsans, + 'Italic Sans' => \&xf_italsans, + 'Bold Italic Sans' => \&xf_bolditalsans, + 'Double-struck' => \&xf_doublestrike, + 'Cursive' => \&xf_cursive, + 'Bold Cursive' => \&xf_boldcursive, + 'Fraktur' => \&xf_fraktur, + 'Bold Fraktur' => \&xf_boldfraktur, + 'Superscript' => \&xf_superscript, +); + +our %transform_keys = ( + w => 'Wide', + B => 'Bold Serif', + I => 'Italic Serif', + J => 'Bold Italic Serif', + b => 'Bold Sans', + i => 'Italic Sans', + j => 'Bold Italic Sans', + 2 => 'Double-struck', + c => 'Cursive', + C => 'Bold Cursive', + k => 'Fraktur', + K => 'Bold Fraktur', + '^' => 'Superscript', +); + + +# Holds a reference to one of the xf_* subs, or undef if no +# transform is active. +our $transform; + +# These 2 are controlled by setting unifmt_keys: our $prefix_key; -our $wide_key; our %combining_map; -# Toggled with ^F w -our $widemode = 0; - # Which of combining_map is active, or 0 for none our $combining_char = 0; @@ -203,6 +336,7 @@ our $was_prefix = 0; # 0 otherwise. our $was_escape = 0; + # There's no way to enable debugging without editing the script. our $DEBUG = 0; @@ -222,6 +356,89 @@ sub dump_buf { print $out; } +#### +# transforms take numeric Unicode codepoint arg, and return +# a numeric Unicode codepoint. + +sub xf_wide { + my $key = shift; + + if($key == 0x20) { + $key = 0x3000; # wide space, maybe better to avoid this? + } elsif($key >= 0x21 && $key <= 0x7e) { + # unicode 0x0f01 to 0x0fee are wide versions of ASCII + $key += 0xfee0; + } + # else pass it through as-is + + return $key; +} + +sub xf_alpha_map { + my $k = shift; + my $map = shift; + + ## warn "k was $k"; + if($k >= 65 && $k <= 90) { # A-Z + $k = ord(substr($map, $k - 65)); + } elsif($k >= 97 && $k <= 122) { # a-z + $k = ord(substr($map, $k - 97 + 26)); + } + ## warn "k now $k"; + + return $k; +} + +sub xf_boldserif { + return xf_alpha_map($_[0], "𝐀𝐁𝐂𝐃𝐄𝐅𝐆𝐇𝐈𝐉𝐊𝐋𝐌𝐍𝐎𝐏𝐐𝐑𝐒𝐓𝐔𝐕𝐖𝐗𝐘𝐙𝐚𝐛𝐜𝐝𝐞𝐟𝐠𝐡𝐢𝐣𝐤𝐥𝐦𝐧𝐨𝐩𝐪𝐫𝐬𝐭𝐮𝐯𝐰𝐱𝐲𝐳"); +} + +sub xf_italserif { + return xf_alpha_map($_[0], "𝐴𝐵𝐶𝐷𝐸𝐹𝐺𝐻𝐼𝐽𝐾𝐿𝑀𝑁𝑂𝑃𝑄𝑅𝑆𝑇𝑈𝑉𝑊𝑋𝑌𝑍𝑎𝑏𝑐𝑑𝑒𝑓𝑔ℎ𝑖𝑗𝑘𝑙𝑚𝑛𝑜𝑝𝑞𝑟𝑠𝑡𝑢𝑣𝑤𝑥𝑦𝑧"); +} + +sub xf_bolditalserif { + return xf_alpha_map($_[0], "𝑨𝑩𝑪𝑫𝑬𝑭𝑮𝑯𝑰𝑱𝑲𝑳𝑴𝑵𝑶𝑷𝑸𝑹𝑺𝑻𝑼𝑽𝑾𝑿𝒀𝒁𝒂𝒃𝒄𝒅𝒆𝒇𝒈𝒉𝒊𝒋𝒌𝒍𝒎𝒏𝒐𝒑𝒒𝒓𝒔𝒕𝒖𝒗𝒘𝒙𝒚𝒛"); +} + +sub xf_boldsans { + return xf_alpha_map($_[0], "𝗔𝗕𝗖𝗗𝗘𝗙𝗚𝗛𝗜𝗝𝗞𝗟𝗠𝗡𝗢𝗣𝗤𝗥𝗦𝗧𝗨𝗩𝗪𝗫𝗬𝗭𝗮𝗯𝗰𝗱𝗲𝗳𝗴𝗵𝗶𝗷𝗸𝗹𝗺𝗻𝗼𝗽𝗾𝗿𝘀𝘁𝘂𝘃𝘄𝘅𝘆𝘇"); +} + +sub xf_italsans { + return xf_alpha_map($_[0], "𝘈𝘉𝘊𝘋𝘌𝘍𝘎𝘏𝘐𝘑𝘒𝘓𝘔𝘕𝘖𝘗𝘘𝘙𝘚𝘛𝘜𝘝𝘞𝘟𝘠𝘡𝘢𝘣𝘤𝘥𝘦𝘧𝘨𝘩𝘪𝘫𝘬𝘭𝘮𝘯𝘰𝘱𝘲𝘳𝘴𝘵𝘶𝘷𝘸𝘹𝘺𝘻"); +} + +sub xf_bolditalsans { + return xf_alpha_map($_[0], "𝘼𝘽𝘾𝘿𝙀𝙁𝙂𝙃𝙄𝙅𝙆𝙇𝙈𝙉𝙊𝙋𝙌𝙍𝙎𝙏𝙐𝙑𝙒𝙓𝙔𝙕𝙖𝙗𝙘𝙙𝙚𝙛𝙜𝙝𝙞𝙟𝙠𝙡𝙢𝙣𝙤𝙥𝙦𝙧𝙨𝙩𝙪𝙫𝙬𝙭𝙮𝙯"); +} + +sub xf_doublestrike { + return xf_alpha_map($_[0], "𝔸𝔹ℂ𝔻𝔼𝔽𝔾ℍ𝕀𝕁𝕂𝕃𝕄ℕ𝕆ℙℚℝ𝕊𝕋𝕌𝕍𝕎𝕏𝕐ℤ𝕒𝕓𝕔𝕕𝕖𝕗𝕘𝕙𝕚𝕛𝕜𝕝𝕞𝕟𝕠𝕡𝕢𝕣𝕤𝕥𝕦𝕧𝕨𝕩𝕪𝕫"); +} + +sub xf_cursive { + return xf_alpha_map($_[0], "𝒜ℬ𝒞𝒟ℰℱ𝒢ℋℐ𝒥𝒦ℒℳ𝒩𝒪𝒫𝒬ℛ𝒮𝒯𝒰𝒱𝒲𝒳𝒴𝒵𝒶𝒷𝒸𝒹ℯ𝒻ℊ𝒽𝒾𝒿𝓀𝓁𝓂𝓃ℴ𝓅𝓆𝓇𝓈𝓉𝓊𝓋𝓌𝓍𝓎𝓏"); +} + +sub xf_boldcursive { + return xf_alpha_map($_[0], "𝓐𝓑𝓒𝓓𝓔𝓕𝓖𝓗𝓘𝓙𝓚𝓛𝓜𝓝𝓞𝓟𝓠𝓡𝓢𝓣𝓤𝓥𝓦𝓧𝓨𝓩𝓪𝓫𝓬𝓭𝓮𝓯𝓰𝓱𝓲𝓳𝓴𝓵𝓶𝓷𝓸𝓹𝓺𝓻𝓼𝓽𝓾𝓿𝔀𝔁𝔂𝔃"); +} + +sub xf_fraktur { + return xf_alpha_map($_[0], "𝔄𝔅ℭ𝔇𝔈𝔉𝔊ℌℑ𝔍𝔎𝔏𝔐𝔑𝔒𝔓𝔔ℜ𝔖𝔗𝔘𝔙𝔚𝔛𝔜ℨ𝔞𝔟𝔠𝔡𝔢𝔣𝔤𝔥𝔦𝔧𝔨𝔩𝔪𝔫𝔬𝔭𝔮𝔯𝔰𝔱𝔲𝔳𝔴𝔵𝔶𝔷"); +} + +sub xf_boldfraktur { + return xf_alpha_map($_[0], "𝕬𝕭𝕮𝕯𝕰𝕱𝕲𝕳𝕴𝕵𝕶𝕷𝕸𝕹𝕺𝕻𝕼𝕽𝕾𝕿𝖀𝖁𝖂𝖃𝖄𝖅𝖆𝖇𝖈𝖉𝖊𝖋𝖌𝖍𝖎𝖏𝖐𝖑𝖒𝖓𝖔𝖕𝖖𝖗𝖘𝖙𝖚𝖛𝖜𝖝𝖞𝖟"); +} + +sub xf_superscript { + return xf_alpha_map($_[0], "ᴬᴮᶜᴰᴱᶠᴳᴴᴵᴶᴷᴸᴹᴺᴼᴾᑫᴿˢᵀᵁⱽᵂˣʸᶻᵃᵇᶜᵈᵉᶠᵍʰᶦʲᵏˡᵐⁿᵒᵖᑫʳˢᵗᵘᵛʷˣʸᶻ"); +} +#### + + sub get_ctrl_key { return ord(uc($_[0])) - 0x40; } @@ -250,7 +467,6 @@ sub init_keys { } our $prefix_key = $p; - our $wide_key = $w; our %combining_map = ( $u => 0x332, # underline @@ -261,11 +477,14 @@ sub init_keys { print "$SELF: " . "prefix " . fmt_key("^" . chr($prefix_key + 0x40)) . ", " . - "wide " . fmt_key($wide_key) . ", " . "underline " . fmt_key($u) . ", " . "double " . fmt_key($d) . ", " . "strike " . fmt_key($s) . ", " . "slash " . fmt_key($l); + + for(sort { $transform_keys{$a} cmp $transform_keys{$b} } keys %transform_keys) { + print $transform_keys{$_} . ": " . $_; + } } sub handle_keypress { @@ -289,7 +508,7 @@ sub handle_keypress { # don't try to combine with combining chars! for(values our %combining_map) { - #warn "$key $_"; + # warn "$key $_"; if($key == $_) { signal_continue($key); return; @@ -319,7 +538,8 @@ sub handle_keypress { # enter/return, turn off formatting if($key == 0x0d || $key == 0x0a) { - $widemode = $combining_char = $was_prefix = 0; + $combining_char = $was_prefix = 0; + undef $transform; signal_continue($key); return; } @@ -336,12 +556,15 @@ sub handle_keypress { # last key pressed was ^F, act on it, but don't insert into the buffer if($was_prefix) { - if($key == ord($wide_key)) { - $widemode = 1; + # warn "prefix key pressed before " . $key; + my $t = $transform_keys{chr($key)}; + if(defined($t)) { + # warn "transform key $key"; + $transform = $transforms{$t}; } else { $combining_char = $combining_map{chr($key)} || 0; - # unrecognized keys also turn off wide mode - $widemode = 0 unless $combining_char; + # unrecognized keys also turn off transform modes + undef $transform unless $combining_char; } $was_prefix = 0; @@ -349,14 +572,8 @@ sub handle_keypress { return; } - # unicode 0x0f01 to 0x0fee are wide versions of ASCII - if($widemode) { - if($key == 0x20) { - $key = 0x3000; - } elsif($key >= 0x21 && $key <= 0x7e) { - $key += 0xfee0; - } - # else pass it through as-is + if(defined $transform) { + $key = $transform->($key); } signal_continue($key); -- cgit v1.2.3