Mac 版 PhpStorm のファイルツリーでファイルを選択して開く操作を楽にするための設定 ref: http://qiita.com/msng/items/89d8f1a37c65336c4dec

private.xml

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

  <list>
    <item>
      <name>Control+P/N to Arrow Up/Down (on PhpStorm)</name>
      <identifier>private.control_pn_to_updown</identifier>
      <only>PHPSTORM</only>
      <autogen>
        --KeyToKey--
        KeyCode::P, ModifierFlag::CONTROL_L | ModifierFlag::NONE,
        KeyCode::CURSOR_UP
      </autogen>

      <autogen>
        --KeyToKey--
        KeyCode::N, ModifierFlag::CONTROL_L | ModifierFlag::NONE,
        KeyCode::CURSOR_DOWN
      </autogen>
    </item>

    <item>
      <name>Command+Control+Enter to Enter+Escape (on PhpStorm)</name>
      <identifier>private.command_control_enter_to_enter_escape</identifier>
      <only>PHPSTORM</only>
      <autogen>
        --KeyToKey--
        KeyCode::RETURN, ModifierFlag::COMMAND_L | ModifierFlag::CONTROL_L,
        KeyCode::RETURN, KeyCode::ESCAPE
      </autogen>
    </item>
  </list>
</root>