Code Completion

Match case

Select this option if you want letter case to be taken into account when suggesting matches for code completion. Choose whether you want to match case for the first letter of for all letters.

Sort suggestions alphabetically

Choose this option if you want to sort items in the suggestion list in the alphabetical order instead of sorting them by relevance.

You can change this behavior at any time by clicking the or icons in the suggestion list.

Show suggestions as you type

Select this checkbox if you want the suggestion list to be invoked automatically, without having to call completion explicitly.

Insert selected suggestion by pressing space, dot, or other context-dependent keys

Select the checkbox if you want to insert the selected suggestion by typing certain keys that depend on the language, your context, and so on.

Show the documentation popup in

Select this checkbox to have DataGrip automatically show a popup for each item in the suggestions list with the documentation for the class, method, or field currently highlighted in the lookup list.

In the field to the right, specify the delay (in milliseconds), after which the popup should appear.

Insert parentheses automatically when applicable

If this option is enabled, DataGrip automatically inserts a pair of opening and closing parentheses when you complete a function/method.

Clear the checkbox to suppress inserting parentheses automatically.

If you use an opening parentheses ( instead of Enter to apply the selected item from a completion list, parentheses will be inserted automatically no matter whether the option is turned on or off.

To use an opening parentheses ( instead of Enter to apply the selected item from a completion list, open the Settings dialog (CtrlAlt0S), go to Editor | General | Code Completion, and select the Insert selected suggestion by pressing space, dot, or other context-dependent keys checkbox.

For more information, refer to Use specific keys to insert suggestions.