Viewing Inline Documentation
Quick documentation look-up
To view documentation for a symbol at caret
Press Ctrl+Q or choose on the main menu.
To show documentation automatically
In the Settings/Preferences dialog Ctrl+Alt+S, click General under Editor, then click Code Completion. The Code completion page opens.
Select the Show the documentation popup checkbox and specify the elapsed time.
To change the font size of quick documentation
Click in the upper-right corner of the quick documentation window, and move the slider.
The Documentation popup helps navigate to the related symbols via hyperlinks, and provides a toolbar for moving back and forth through the already navigated pages, changing font size, and viewing documentation in an external browser.
When pinned, the Documentation popup turns into the Documentation tool window, with the corresponding sidebar icon, and more controls.
To switch between the Documentation popup and the Documentation tool window, use Ctrl+Q.