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William
Asked: 2020-04-28 12:38:14 +0800 CST

Trigger Ctrl+key keycode or Hiragana to Control

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I have a JIS keyboard with Katana & Hiragana keys I am trying to bind Control keys.

I tried editing the following file JIS Keyboard Layout Keyboard Characters but it fails to change the keyboard keys.

Is there a way to bind keys using keycode for Ctrl+L, etc... I need Hiragana to me mapped to control essentially but it doesn't seem possible.

japanese keycodes

2 Answers

  1. For CUI:

    There are some handy packages to manipulate each key and mouse button.
    For the packagesxmodmap xbindkeys xdotool and xte are popular.

    sudo apt install x11-xserver-utils
    sudo apt install xbindkeys

    Use xev and press the Hiragana/Katanaka key and you get the code.

    KeyPress event, serial 37, synthetic NO, window 0x3e00001,
    root 0xe5, subw 0x0, time 3469373, (-29,-117), root:(36,405),
    state 0x0, keycode 101 (keysym 0xff27, Hiragana_Katakana), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyRelease event, serial 38, synthetic NO, window 0x3e00001,
    root 0xe5, subw 0x0, time 3469469, (-29,-117), root:(36,405),
    state 0x0, keycode 101 (keysym 0xff27, Hiragana_Katakana), same_screen YES,
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False

    Alternatively, you can use xbindkeys -mk to get the keycode and numbers. 

    $ xbindkeys -mk
Press combination of keys or/and click under the window.
You can use one of the two lines after "NoCommand"
in $HOME/.xbindkeysrc to bind a key.

--- Press "q" to stop. ---
"(Scheme function)"
    m:0x0 + c:101
    Hiragana_Katakana

    I do know know the codes are the same as your IBM keyboard layout. You should check on your own keyboard. The numbers may be different.

    Now then, edit ~/.xbindkeysrc add lines below. (if there's no such file xbindkeys --defaults > $HOME/.xbindkeysrc to create one.

    "xdotool key ctrl+l"
 m:0x0 + c:101 + release

    Save this file and
    pkill -f xbindkeys && xbindkeys
    execute this command to apply changes.

    For GUI

    Open System Settings > Keyboard > Shortcuts

    Shortcuts Window Control+L

    This one takes only a minute.

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  2. I'm posting this as a partial answer because swapping Hiragana with control seems to be impossible. What you can do is bind Hiragana to Mode_Switch and use the XF86Paste and XF86Copy, redo, undo, etc...

    enter image description here

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