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156 lines
6.3 KiB
XML
156 lines
6.3 KiB
XML
<chapter xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="module-services-input-methods">
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<title>Input Methods</title>
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<para>Input methods are an operating system component that allows any data, such
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as keyboard strokes or mouse movements, to be received as input. In this way
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users can enter characters and symbols not found on their input devices. Using
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an input method is obligatory for any language that has more graphemes than
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there are keys on the keyboard.</para>
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<para>The following input methods are available in NixOS:</para>
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<itemizedlist>
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<listitem><para>IBus: The intelligent input bus.</para></listitem>
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<listitem><para>Fcitx: A customizable lightweight input
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method.</para></listitem>
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<listitem><para>Nabi: A Korean input method based on XIM.</para></listitem>
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<listitem><para>Uim: The universal input method, is a library with a XIM
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bridge.</para></listitem>
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</itemizedlist>
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<section><title>IBus</title>
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<para>IBus is an Intelligent Input Bus. It provides full featured and user
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friendly input method user interface.</para>
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<para>The following snippet can be used to configure IBus:</para>
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<programlisting>
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i18n.inputMethod = {
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<link linkend="opt-i18n.inputMethod.enabled">enabled</link> = "ibus";
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<link linkend="opt-i18n.inputMethod.ibus.engines">ibus.engines</link> = with pkgs.ibus-engines; [ anthy hangul mozc ];
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};
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</programlisting>
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<para><literal>i18n.inputMethod.ibus.engines</literal> is optional and can be
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used to add extra IBus engines.</para>
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<para>Available extra IBus engines are:</para>
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<itemizedlist>
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<listitem><para>Anthy (<literal>ibus-engines.anthy</literal>): Anthy is a
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system for Japanese input method. It converts Hiragana text to Kana Kanji
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mixed text.</para></listitem>
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<listitem><para>Hangul (<literal>ibus-engines.hangul</literal>): Korean input
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method.</para></listitem>
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<listitem><para>m17n (<literal>ibus-engines.m17n</literal>): m17n is an input
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method that uses input methods and corresponding icons in the m17n
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database.</para></listitem>
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<listitem><para>mozc (<literal>ibus-engines.mozc</literal>): A Japanese input
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method from Google.</para></listitem>
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<listitem><para>Table (<literal>ibus-engines.table</literal>): An input method
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that load tables of input methods.</para></listitem>
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<listitem><para>table-others (<literal>ibus-engines.table-others</literal>):
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Various table-based input methods. To use this, and any other table-based
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input methods, it must appear in the list of engines along with
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<literal>table</literal>. For example:
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<programlisting>
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ibus.engines = with pkgs.ibus-engines; [ table table-others ];
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</programlisting>
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</para></listitem>
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</itemizedlist>
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<para>To use any input method, the package must be added in the configuration,
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as shown above, and also (after running <literal>nixos-rebuild</literal>) the
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input method must be added from IBus' preference dialog.</para>
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<simplesect>
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<title>Troubleshooting</title>
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<para>If IBus works in some applications but not others, a likely cause of
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this is that IBus is depending on a different version of
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<literal>glib</literal> to what the applications are depending on. This can
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be checked by running <literal>nix-store -q --requisites <path> | grep
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glib</literal>, where <literal><path></literal> is the path of either
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IBus or an application in the Nix store. The <literal>glib</literal>
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packages must match exactly. If they do not, uninstalling and reinstalling
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the application is a likely fix.</para>
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</simplesect>
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</section>
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<section><title>Fcitx</title>
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<para>Fcitx is an input method framework with extension support. It has three
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built-in Input Method Engine, Pinyin, QuWei and Table-based input
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methods.</para>
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<para>The following snippet can be used to configure Fcitx:</para>
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<programlisting>
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i18n.inputMethod = {
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<link linkend="opt-i18n.inputMethod.enabled">enabled</link> = "fcitx";
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<link linkend="opt-i18n.inputMethod.fcitx.engines">fcitx.engines</link> = with pkgs.fcitx-engines; [ mozc hangul m17n ];
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};
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</programlisting>
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<para><literal>i18n.inputMethod.fcitx.engines</literal> is optional and can be
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used to add extra Fcitx engines.</para>
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<para>Available extra Fcitx engines are:</para>
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<itemizedlist>
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<listitem><para>Anthy (<literal>fcitx-engines.anthy</literal>): Anthy is a
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system for Japanese input method. It converts Hiragana text to Kana Kanji
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mixed text.</para></listitem>
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<listitem><para>Chewing (<literal>fcitx-engines.chewing</literal>): Chewing is
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an intelligent Zhuyin input method. It is one of the most popular input
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methods among Traditional Chinese Unix users.</para></listitem>
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<listitem><para>Hangul (<literal>fcitx-engines.hangul</literal>): Korean input
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method.</para></listitem>
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<listitem><para>Unikey (<literal>fcitx-engines.unikey</literal>): Vietnamese input
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method.</para></listitem>
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<listitem><para>m17n (<literal>fcitx-engines.m17n</literal>): m17n is an input
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method that uses input methods and corresponding icons in the m17n
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database.</para></listitem>
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<listitem><para>mozc (<literal>fcitx-engines.mozc</literal>): A Japanese input
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method from Google.</para></listitem>
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<listitem><para>table-others (<literal>fcitx-engines.table-others</literal>):
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Various table-based input methods.</para></listitem>
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</itemizedlist>
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</section>
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<section><title>Nabi</title>
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<para>Nabi is an easy to use Korean X input method. It allows you to enter
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phonetic Korean characters (hangul) and pictographic Korean characters
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(hanja).</para>
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<para>The following snippet can be used to configure Nabi:</para>
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<programlisting>
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i18n.inputMethod = {
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<link linkend="opt-i18n.inputMethod.enabled">enabled</link> = "nabi";
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};
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</programlisting>
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</section>
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<section><title>Uim</title>
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<para>Uim (short for "universal input method") is a multilingual input method
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framework. Applications can use it through so-called bridges.</para>
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<para>The following snippet can be used to configure uim:</para>
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<programlisting>
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i18n.inputMethod = {
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<link linkend="opt-i18n.inputMethod.enabled">enabled</link> = "uim";
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};
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</programlisting>
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<para>Note: The <xref linkend="opt-i18n.inputMethod.uim.toolbar"/> option can be
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used to choose uim toolbar.</para>
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</section>
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</chapter>
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