Dasom is an input method framework, which provides

  * Input Method Server
    * dasom-daemon including XIM

  * Language Engines
    * Korean: dasom-jeongeum (using libhangul)
    * English: dasom-english

  * Client Modules
    * GTK+2, GTK+3, Qt4, Qt5

  * Indicators
    * GNOME shell: dasom agent extension
    * KDE, Unity, GNOME panel: dasom-indicator (using libappindicator3)

Project Homepage: https://github.com/cogniti/dasom


INSTALL
-------

  * Compile

    ./autogen.sh
    make
    sudo make install
    sudo ldconfig
    sudo make update-gtk-im-cache

  * For using symbols in Jeongeum Engine

    wget https://raw.githubusercontent.com/choehwanjin/libhangul/master/data/hanja/mssymbol.txt
    sudo mv mssymbol.txt /usr/share/libhangul/hanja/
    ls /usr/share/libhangul/hanja/mssymbol.txt

  * For gnome-shell, enable [email protected]

    gnome-shell-extension-tool -e [email protected]

  * Configure im-config

    Run im-config, then select Dasom, logout and login.


Troubleshoot
------------

* Failed to load shared library
  Check /etc/ld.so.conf and /etc/ld.so.conf.d/ for /usr/local/lib path


Architecture
------------

      +- im modules --+    +---- each process -----+  +- a process --+
      | gtk im module |    | gnome-shell-extension |  |   X server   |
      | qt  im module |    | dasom-indicator       |  +--------------+
      +---------------+    +-----------------------+         ^ |
              | calls                  | calls               | |
    +------------------+    +---------------------+          | |
    | dasom IM library |    | dasom agent library |          | | communicates
    +------------------+    +---------------------+          | |
             ^ |                      ^ |                    | |
             | |   communicates       | |                    | |
             | |   via Unix Socket    | |                    | |
             | v                      | v                    | v
          +---------------------- a process ----------------------+
          |                     dasom-daemon (including XIM)      |
          +-------------------------------------------------------+
                          | calls                  | create instance
                          | singleton instance     | (not module yet)
                +---------------+            +------------------+
                | engine module |   calls    | candidate module |
                |   interface   | ---------> |    interface     |
                +---------------+            +------------------+
                  |                            |
                  +- dasom-english             +- dasom-candidate (gtk3)
                  +- dasom-jeongeum


Debugging
---------
    dasom-daemon --debug
    tail -f /var/log/daemon.log

    export GTK_IM_MODULE="dasom"
    export QT4_IM_MODULE="dasom"
    export QT_IM_MODULE="dasom"
    export G_MESSAGES_DEBUG=dasom
    export XMODIFIERS="@im=dasom"
    gedit # or kate for Qt4, qtcreator for Qt5


References
----------
  http://www.x.org/releases/X11R7.6/doc/libX11/specs/XIM/xim.html
  http://www.w3.org/TR/ime-api/
  https://developer.chrome.com/extensions/input_ime
  http://docs.enlightenment.org/auto/efl/ecore_main.html
  http://doc.qt.io/qt-4.8/qinputcontext.html
  http://doc.qt.io/qt-5/qinputmethod.html
  https://git.gnome.org/browse/gtk+

  https://github.com/choehwanjin/nabi
  https://github.com/choehwanjin/imhangul
  https://github.com/choehwanjin/ibus-hangul
  https://github.com/ibus
  https://github.com/fcitx/fcitx
  https://github.com/uim/uim