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三 ⊂二二二( ^o^)二二⊃ < Japanese Input Method SKK (Simple Kana to Kanji conversion) on your terminal

Project description

What is this?

This program provides Simple Kana Kanji conversion (SKK) input method service to your terminal. It depends on Canossa(https://github.com/saitoha/canossa), which is an off-screen terminal emulation service, Canossa makes application enable to restore specified screen region on demand!! So this SKK service can provide cool popup feature.
http://zuse.jp/misc/canossa.png

Requirements

Python 2.6/2.7 unix/linux version

Install

via github

$ git clone --recursive https://github.com/saitoha/sentimental-skk.git sentimental-skk
$ cd sentimental-skk
$ python setup.py install

or via pip

$ pip install sentimental-skk

upgrade install via pip

$ pip install sentimental-skk --upgrade

Usage

$ sskk [options]
  • Options:

    -h, --help                  show this help message and exit
    --version                   show version
    -t TERM, --term=TERM        override TERM environment variable
    -l LANG, --lang=LANG        override LANG environment variable
    -o ENC, --outenc=ENC        set output encoding
    -u, --use-titlebar          use title bar manipulation feature
    

How It Works

This program works as a terminal filter application and creates some PTYs. It hooks I/O stream between terminal and applications running on it.

The output stream which is recognized as STDOUT handle for applications, is duplicated and processed with the terminal emulation engine called as “Canossa”. Canossa has a virtual terminal screen buffer which consists with a couple of character cell objects, and behave as another terminal emulator.

  • +---------------------------------------------+
    |                                             |
    |                  Terminal                   |
    |                                             |
    +---------------------------------------------+
           |                       ^
           |                       |
       < input >               < output >
           |                       |
           |      +----------------+
           |      |                      [ PTY 1 ]
    +------|------|-------------------------------+
    |      v      |                               |
    |  +----------+---+       +----------------+  |
    |  |    Master    |=======|      Slave     |  |
    |  +--------------+       +--+-------------+  |
    |                            |        ^       |
    +----------------------------|--------|-------+
                                 |        |
                             < input >    |
                                 |        |
                 +---------------+    < output >
                 |                        |
    [ sskk ]     |                        |               [ canossa ]
    +------------|------------------------|------------+----------------------+
    |            |                        |            |                      |
    |            |                        |<------------------------+         |
    |            v                        |            |            |         |
    |   +-----------------+     +---------+------+     |  +---------+------+  |
    |   |                 |     |                |     |  |                |  |
    |   |                 |     |                |     |  |                |  |
    |   |  InputHandler   |     |  OutputHandler |     |  |    Canossa     |  |
    |   |                 |     |                |     |  |                |  |
    |   |                 |     |                |     |  |                |  |
    |   +--------+---+----+     +----------------+     |  +----------------+  |
    |            |   |                    ^            |      ^       ^       |
    |            |   |                    |            |      |       |       |
    |            |   |                    |            |      |       |       |
    |            |   |        +-------------------+    |      |  +----+----+  |
    |            |   |        |                   |    |      |  |         |  |
    |            |   |        |  TFF Multiplexer  +-----------+  | widgets |  |
    |            |   |        |                   |    |         |         |  |
    |            |   |        +-----------+-------+    |         +---------+  |
    |            |   |                    |            |              ^       |
    |            |   |                    |            |              |       |
    |            |   +------------------------------------------------+       |
    |            |                        |            |                      |
    +------------|------------------------|------------+----------------------+
                 |                        |
             < input >                < output >
                 |                        |
                 |       +----------------+
                 |       |
                 |       | [ PTY 2 ]
         +-------|-------|-----------------------------+
         |       v       |                             |
         |  +------------+--+       +---------------+  |
         |  |    Master     |=======|     Slave     |  |
         |  +---------------+       +----+----------+  |
         |                               |      ^      |
         +-------------------------------|------|------+
                                         |      |
                    +--------------------+      |
                    |                           |
    +---------------+----------------------------------------------+
    |                                                              |
    |                        Application Process                   |
    |                                                              |
    +--------------------------------------------------------------+
    

Components represented by above diagram, such as InputHandler, OutputHandler, Canossa, Multiplexer are based on TFF.

  • TFF (Terminal Filter Framework):

                        Scanner                    Event Driven Parser         Event Dispatcher
                        +-----+                         +-----+                     +-----+
      << I/O Stream >>  |     | << CodePoint Stream >>  |     | << Event Stream >>  |     |      << I/O Stream >>
    ------------------->|     |------------------------>|     |-------------------->|     |---||-------------------->
      (Raw Sequences)   |     |    (Unicode Points)     |     |   (Function Call)   |     |       (Raw Sequences)
                        +-----+                         +-----+                     +--+--+
                                                   ISO-2022 ISO-6429                   |
                                                   Compatible Parsing                  |
                                                                                       v
                                                                                    +-----+
                                                                     Event Observer |     |      << I/O Stream >>
                                                                      (I/O Handler) |     |---||-------------------->
                                                                                    |     |       (Raw Sequences)
                                                                                    +-----+
    

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