However, Common UI uses the Common UI Input Data asset to define universal Click and Back input actions that are used across all platforms.Ĭreate a new Blueprint Class in the Content Browser. Default Navigation Action SetupĬardinal navigation is natively supported by Unreal Engine. After that, create a single composite data table that references those data tables. For example, put all menu navigation actions into one table together, then put actions for more specialized menus into their own tables as well. After that, pressing the button associated with that action will activate the Common UI button.įor fewer version control conflicts, group related sets of actions into their own data tables. For example, you can add a data table and row name reference to the Triggering Input Action in the CommonButtonBase widget. Key used for this action when using a touch interface, if any.Ĭommon UI widgets map these abstract actions to actual inputs. Useful for platform-specific button overrides, such as swapping the back and forward buttons for the gamepad on the Nintendo Switch. Key used for this action on a specific gamepad. Key used for this action when using Gamepad, if any. Key used for this action when using Mouse & Keyboard, if any. Priority used when sorting actions in Nav-bar from left to right. Name of the input action if it requires the user to hold the button down. For examples, see GenericInputActionDataTable in Common UI's content folder, or NavigationInputActionDataTable in the Content Example project. If you need your own custom game viewport class, you will need to extend it from CommonGameViewportClient to use Common UI.Ĭommon UI uses Input Action Data Tables to create named actions that can be associated with various platform-specific inputs. Set your Game Viewport Client Class to CommonGameViewportClient. Open Edit > Project Settings > Engine > General Settings. To support this functionality, perform the following setup steps: When Common UI captures input, it sends it to the Viewport first, which then sends it to whichever root node is drawn on top. The Viewport is the base for all input routing in Common UI.
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How to create Controller Data Assets and assign them to specific types of controllers on specific platforms. How to set up Default Navigation Actions, which support global click and back button functionality. How to create Input Action Data Tables, which map controller buttons to actions within your UI. Setting up your viewport to support Input Routing. You will learn the following in this guide: This page provides a walkthrough for how to set up Common UI in your project. Common UI Widget Library and Widget Styling Controller Data Binding (Platform-Specific UI Elements)ĥ.
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