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Textbringer

Gem Version ubuntu windows macos

Textbringer is a member of a demon race that takes on the form of an Emacs-like text editor.

Screenshot

Screenshot

Demo

Installation

$ gem install textbringer

You need ncursesw to use multibyte characters. Install ncursesw before installing curses.gem, on which textbringer depends.

$ sudo apt-get install libncursesw5-dev
$ gem install curses

Usage

$ textbringer

You can quit the editor by Ctrl-x Ctrl-c.

Many commands and key bindings are similar to Emacs.

Type F1 b or Alt+x describe_bindings RET to see key bindings.

Configuration

Meta key

You need the following configuration of terminal emulators to use meta key.

xterm

Add the following line to ~/.Xresources.

XTerm*metaSendsEscape: true

mlterm

Add the following lines to ~/.mlterm/main.

mod_meta_key = alt
mod_meta_mode = esc

East asian ambiguous width

Add the following line to ~/.textbringer.rb to treat ambiguous characters as fullwidth.

CONFIG[:east_asian_ambiguous_width] = 2

You also need a LD_PRELOAD hack or a modified locale charmap because ncursesw uses wcwidth(3).

xterm, mlterm and screen have their own configuration options.

xterm

Add the following lines to ~/.Xresources.

xterm*utf8: 1
xterm*locale: true
xterm*cjkWidth: true

mlterm

Add the following line to ~/.mlterm/main.

col_size_of_width_a = 2

screen

Add the following line to ~/.screenrc.

cjkwidth on

Development

After checking out the repo, run bundle install to install dependencies. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/shugo/textbringer.

License

The gem is available as open source under the terms of the MIT License.

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An Emacs-like text editor written in Ruby

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