Auto-completion is not working properly in Qt Creator

Hello Everyone!

I use the Qt Creator version from Nokia Qt SDK RC.
It seems to me that its auto-completion feature is somewhat broken, as it doesn't work as I expected.

Most of the time when I press Ctrl+Space, it correctly assumes what things are there. If I press enter, it auto-completes what I was writing, but...

• If I would like to set a value of a variable, start typing, press Ctrl+Space, select an option with the arrow keys, and press Space (not enter) it fails to auto-complete.
• If I would like to create a method call, start typing, press Ctrl+Space, select an option with the arrow keys, and press '(' it also fails to auto-complete.

An option would be welcome for setting which keys should trigger auto-completion.
A very nice auto-completion feature can be seen in MS Visual Studio for C# - I know that C++ is much more complicated, but I think that your feature is already good enough, just these little UI tweaks are needed.

More suggestions for improvement:

• It would be great if Qt Creator would automatically guess what I would like to write without the need to press Ctrl+Space.
• It would also be great if it remembered the last used item for the actual context, firstly presenting that option when I start typing
  Visual Studio also has these two enabled by default, and it really reduces the time needed to type stuff.