TMUX: Rebinding CAPS LOCK to CTRL + B

readme.md

Disabling CAPS LOCK

If you haven't already done so, gain an extra key and open up your System Preferences > Keyboard > Modifier Keys ... and rebind CAPSLOCK to No Action.

Rebinding CAPSLOCK to CONTROL_R (Right Control Key)

• Install Seil
• Open System Preferences > Seil
• Change "Caps Lock" to keycode 62.

Rebinding CONTROL_R (Right Control Key) to CONTROL + B

• Install Karabiner

• Open System Preferences > Karabiner> Misc & Uninstall

• Click "Open private.xml"

• Copy and Paste the private.xml provided with in this gist.

• Open System Preferences > Karabiner > Change Key

• Click "ReloadXML"

• Toggle open "TMUX Key Remappings"

• Check "TMUX: Right Control to Control+B

If instead of replacing your private.xml you add:

    <item>
      <name>TMUX: Right Control to Ctrl+B</name>
      <appendix>TMUX Key Remappings</appendix>
      <identifier>private.right_control_to_control_b</identifier>
      <autogen>
        --KeyToKey-- 
        KeyCode::CONTROL_R,
        KeyCode::B, ModifierFlag::CONTROL_L
      </autogen>
    </item>

to your existing private.xml, then it also works in iTerm.

private.xml

<?xml version="1.0"?>
<root>
  <appdef>
    <appname>Terminal</appname>
    <equal>com.apple.Terminal</equal>
  </appdef>
  <item>
    <name>TMUX Key Remappings</name>
    <item>
      <name>TMUX: Right Control to Ctrl+B</name>
      <identifier>private.right_control_to_control_b</identifier>
      <only>Terminal</only>
      <autogen>
        --KeyToKey-- 
        KeyCode::CONTROL_R,
        KeyCode::B, ModifierFlag::CONTROL_L
      </autogen>
    </item>
  </item>
</root>