Just upgraded from 8.0 to 8.2; It used to be that when I double clicked anywhere on the block diagram I got the text editor so that I could add quick notes. now in 8.2 I have to manually open the tool box(view- tool pallet) and select 'text editor', type the text, then reselect the standard selector mouse... wtf??? I can't find any settings that fix this.
What you're looking for is the Lock automatic tool selection option to be enabled. You can set this from the LabVIEW options (Tools->Options->Environment), or as JB mentioned you can just turn on the green LED when you have the palette visible.