Terminal.appがダメなのでiTermをいじる

投稿者: | 2007年11月5日
14件のコメント

　LeopardのTerminal.appをしばらく使っているうちに、こいつは使えない代物だと分かった。

　まず、「○」とか「△」とかの記号を倍幅文字と認識してくれない。これは再描画しても直らないのでTigerのTerminal.appよりひどい。もしかすると、日本語フォントの記号グリフに沿った文字幅情報を含むエンコーディング定義を追加することできれいに対処できるのかもしれないが、その方法は未調査。ていうか、こんなのデベロッパープレビュー段階で気づかなかったんだろうか。Appleには日本人ハッカーはいないの？

　二番目に、CommandキーをMetaキーとして使えないのが不便。TigerではAPE+Cmd2Optでなんとかなったが、今のところLeopardには対応していない。ていうかCmd2Optの配布物ってWeb Archive等を漁らないと手に入らなかった気がする。なんにせよ、Emacs使いにとってMetaキーが左下のちっこいOptionキーひとつというのは致命的だ。小指をつって死ねと言うに等しい。小指が休職したら、Ctrl+[で亀のようなもたもた人生を遅れというのか。

　あと、ANSIカラーを調整できないので目に優しくない。頼みの綱はTerminalColorsだが、作者のサイトを見るとLeopardのTerminal.appに対応するのは当分先になりそうだ。

　どうにかしようにもソースがない。じゃあソースがあるものをいじろう、ということでiTermに手を入れました。まず、第一の記号問題を解決するパッチがこれ。

かなり手抜きながら、LANGがja_JPっぽいときはU+2000以上の文字は倍幅とみなすものだ。

　次に第二のCommandキーをMetaキーにするパッチがこれ。

これは、一部の組合せを除き、CommandキーをOptionキーと同一視させる修正。もちろん、Keyboard Profileの「Option Key as」でOptionキーをMetaキーにしないと無意味だ。ふつうは日本語を直接入力したいだろうから、そこの設定は「Meta」ではなく「+Esc」にするだろう。

　なお、第三の色問題はiTermには存在しない。Display Profileでいじれるから。

　iTermのサイトからCVSでソースを取ってきて上のパッチを当て、好みに応じていじってビルドしてください。特にどのCommandキーショートカットを生かすかの部分は人それぞれのはず。ビルド方法は、iTerm.xcodeprojを開いてビルドボタンを押すだけ。Xcodeは最新版(Tigerなら2.5, Leopardなら3.0)にしておいた方がいい。Tiger 10.4.10 + Xcode 2.4だとうまくビルドできなかった。

　何か情報があれば寄せてください。みんな我慢しているのか、他にいい選択肢があって俺が知らないだけなのか、いつも不思議なんだよね。

　次に続く。

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カテゴリー: Tech

「Terminal.appがダメなのでiTermをいじる」への14件のフィードバック

  1. っき

    下記のURLの “Terminal 2 Release Notes” を参照してください。
    U+25B3(WHITE UP-POINTING TRIANGLE)やU+25EF(LARGE CIRCLE)のように文字幅が Ambiguous に分類される文字は文字幅を Narrow として扱うと記載されています。
    http://developer.apple.com/releasenotes/DeveloperTools/RN-Terminal/index.html
    尚、xterm の -cjk_width に相当するようなオプションは、探した限りでは見つかりませんでした。
    記号が重なって表示される件は、wcwidth()とTerminal.appは記号を Narrow として扱っているが、表示する時に(いわゆる)全角のグリフしか見つけられなかったという状況のようですから、これがもし修正されれば(いわゆる)半角で欠けずに表示されるようになるでしょう。
    要するに
    「ギリシャ文字やキリル文字が全角で表示されないと使いにくいと感じるお客様は、Terminal.app 以外のアプリをご利用ください」
    という話のようですね。

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  2. musha

    なるほど。調べが足りなかった。
    ambiguousはwideと見なすというオプションが欲しいですね。
    ASCIIフォントからグリフを取得してその幅から…というのが利けばいいのだけど、それだとASCIIフォントに入ってしまっているグリフが常に優先されてしまうという問題がある。
    WindowsのFontLinkもASCII(というか先に指定したもの)優先なので、自分で好きなASCII & non-ASCIIフォントを合成したものを作ったりしています。
    FontForgeを使うと簡単。
    Ttyアプリケーションについては、個別に教える必要あり。
    以下が参考になります。
    http://d.hatena.ne.jp/macks/20061001

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  5. sakamoto

    trackerにcomment追加させていただきました。もっと早くpatch送っとくべきでした。

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  6. musha

    どうもありがとうございます。
    私の読み方が合っていれば、その実装と私のパッチの実装とで挙動に差はないのではないかと思います。
    というのも、mk_wcwidth_cjk()はnon-spacing characterかどうかも調べていますが、結局iTerm本体が幅1と2にしか対応していないので、幅0のケースを捨てているからです。
    また、そのパッチだとCJKエンコーディングかどうかの判定をしていないので、CJK friendlyな代わりにWestern unfriendlyな気がします。
    ということで、non-spacing charactersに対応するまでは私のパッチを使ってもらうように依頼してもいいでしょうか？
    (落としどころを伝えないと取り込んでもらえないので)

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  7. sakamoto

    おまかせいたします。ひとつ質問があります。
    エンコーディングがUTF-8の場合に
    ロケールを見ているようですが、
    これは一般的な方法なのでしょうか?

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  8. musha

    そこはただの手抜きです。本当は、上のissueのdescriptionにも書いた通り、non-ASCIIフォントがCJK用なのかどうかを見るべきなのだと思います。プロファイルごとにCJKだったりそうでなかったりする使い方は当然あるので。
    フォントやグリフの情報を取って残る不具合を直すのは別途やろうと思っているので、とりあえずのその場しのぎです。

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  9. mat

    はじめまして。emacs使いにとってはTerminal.app + Cmd2optついでにVisorがないとなかなかLeopardにアップグードできません。ところでCmd2OptってWeb上にありますかね？探してもぜんぜん見つからないんで

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  11. mat

    おお、ありがとうございます。いくら探してもなかったもので

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  13. apri.gist.ac.kr

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    Plasmids generated in this research are described in Supplementary Desk four.

    For expression of the Dbf4 mutants, the plasmids were generated by GenScript.
    The serratus anterior works to attract your shoulder blades ahead round your ribs
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    Some name it the center chest, some call it the internal chest.

    A dumbbell complicated is a series of dumbbell exercises performed consecutively with out relaxation. One set of each train is finished before transferring on to the next,
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    Complexes are an attractive software for helping you obtain these tantric-level sarogasms.
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    Now determine the load of the dumbbells you utilized in essentially
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    This part collects any knowledge citations, knowledge
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    Furthermore, the Dbf4 SCR types a lasso round probably
    the most N-terminal resolved region of Mcm4 and in this way could contribute in path of
    the specificity of Cdc7 to Mcm4 (Fig. 4b-III).

    A giant number of backbone-to-backbone contacts, in the lasso structure latching on Mcm4, may accommodate similar binding
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    In addition, we observed the unusual structural configuration of Cdc7, Dbf4
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    N-terminus through the phosphorylation course of (Fig. 
    9b–e). This speculative mechanism could clarify how the Mcm4 N-terminal tail turns into phosphorylated in a extra efficient manner.

    The simulation also reiterates the importance of a negatively
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    Collectively these Dbf4-Mcm interactions place Cdc7 on the MCM2-7 double-hexamer in a
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    Substrate interplay III (SIII) entails a Dbf4 motif -M
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    Kinases mainly kind transient, weak interactions with their substrates involving a small
    region alongside the cleft of the kinase energetic site47.
    Weak interactions enable for fast release of the substrate as
    soon as phosphorylation has occurred. This steady interplay presents the chance to characterise the massive DDK-substrate interplay
    surface and investigate how various structurally disordered
    Mcm N-termini are focused for phosphorylation.
    It’s important that you just practice your chest
    with totally different rep schemes and quantity. Bear In Mind, growing a powerful mind-muscle connection, utilizing proper type, and specializing in engaging
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    If you’ve been within the fitness center for some time, you’ve most likely seen this train being accomplished with a
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    the dumbbells in reverse (underhand grip) and your arm positioning is a little nearer to the
    body.
    This isn’t potential with dumbbells clearly as all sides has its separate weight.

    With dumbbells, in case your weak aspect lags, you’ll instantly discover it.
    With barbells, the bar touches your chest before your pectoral muscle tissue have reached their full vary of motion. But dumbbells let you
    decrease previous your chest, stretching your pecs to the max, and thus activating the most potential
    muscle fibers. A lot of trainers use this train for individuals who have shoulder issues and bodybuilders use it because
    it is very efficient at hitting the higher chest and triceps with out the shoulders doing an excessive quantity of
    work. By merely altering your grip, you might be putting extra
    emphasis in your higher chest and you take pressure and tension off your shoulders.

    As the push-press will most likely be your weakest exercise, use that transfer to determine your coaching weight
    for the the rest of the complex. For six reps, that’s the burden you must use for the entire sequence.
    Remember, begin your advanced workout with an applicable
    warm-up. A few minutes of light cardio and a few dynamic
    mobility and adaptability workout routines are an excellent place to begin. End up with a couple of simple reps of each exercise in your complicated using a light-weight load.

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