How to navigate through the source code by parts in CamelCase (instead of whole words)?
Solution 1:
Yes, enable Use "CamelHumps" words in Settings | Editor | General | Smart Keys.
Solution 2:
As answered elsewhere, you can enable Use "CamelHumps" words in Settings | Editor | General | Smart Keys to switch the shortcuts to work with camelCase instead of whole-word.
You can also access the previous behavior by assigning keyboard shortcuts to the appropriate actions under Settings | Appearance & Behavior | Keymap | Editor Actions. This image shows an example where I access the previous behavior by adding ctrl:
