I think I asked that before: Is there a keyboard shortcut for activating the code editor?
If I remember correctly the answers were: No, but you can use F12 to toggle between form designer and code editor, and F11 for a three way toggle between object inspector, form designer and code editor.
Do I remember correctly?
If yes, I have some good news for those who have missed this functionality (which definitely includes myself):
I have just added a simple expert to GExperts that does nothing else but activate and focus the code editor.
But that raises a question: What should the default keyboard shortcut be for this expert?
So I resurrected Nicholas Ring's Delphi Shortcut Finder, in order to find out what is still available. But unfortunately this tool, useful as it is, basically is only a list of known shortcuts with a filter function, so it might miss shortcuts from possibly widely used tools which I simply don't know.
I first thought about some F11 combination but it turned out that they are already taken, the same goes for F12. Then there is Shift+F3, but I think this is used for "Find Previous" in some tools.
The obvious combinations with the E and C key are also already taken.
Shift+F6 seemed to be free for now. (F6 calls IDE Insight and Ctrl+F6 switches between C++ source and header files.), so I assigned it as the default for the new expert.
Or Is there a widely used plugin that uses Shift+F6?