Disable keyremap4macbook's emacs keybindings in InteliJ IDEA and enable a portion of bindings.

private.xml

<?xml version="1.0"?>
<root>
  <appdef>
    <appname>INTELIJ</appname>
    <equal>com.jetbrains.intellij</equal>
  </appdef>

  <replacementdef>
    <replacementname>EMACS_MODE_IGNORE_APPS</replacementname>
    <replacementvalue>
      ECLIPSE,
      EMACS,
      REMOTEDESKTOPCONNECTION,
      TERMINAL,
      VI,
      VIRTUALMACHINE,
      X11,
      INTELIJ,
    </replacementvalue>
  </replacementdef>

  <list>
    <item>
      <name>Change C-[ to Escape</name>
      <item>
        <name>In InteliJ</name>
        <identifier>option.emacsmode_force_controlLeftbracket_intelij</identifier>
        <only>INTELIJ</only>
        <autogen>__KeyToKey__ KeyCode::BRACKET_LEFT, MODIFIERFLAG_EITHER_LEFT_OR_RIGHT_CONTROL, KeyCode::ESCAPE</autogen>
      </item>
    </item>
  </list>
</root>