Tutorials & Reference

• In-Depth Overview and tutorial: https://lxjk.github.io/2019/10/01/How-to-Make-Tools-in-U-E.html
• Github Repo: https://github.com/lxjk/ToolExample
• Creating An Editor Module: https://wiki.unrealengine.com/Creating_an_Editor_Module
• Customize Detail Pane: https://wiki.unrealengine.com/Customizing_detail_panels
• Component Visualizer: https://wiki.unrealengine.com/Component_Visualizers
• Custom Asset Picker: https://kasundevblog.wordpress.com/2015/10/07/creating-assets-with-support-of-a-custom-class-picker-unreal-engine-4

Helpful Tips

• testprops will bring up UPropertyEditorTestObject that contains all base properties and the corresponding slate widgets
• More slate samples: SWidgetGallery.h & AppFramework/STestSuite/SWizard/STableViewTesting/SLayoutExample
• PropertyModule is responsible for DetailPanel. In StartupModule(), you register for extension to configure it
• DetailCustomization is the property sheet customization
• Editor has Extender / extensibility hooks to plug into to expand functionality. To expose these points in the UI:
• Editor Preferences -> General -> Miscellaneous
• Check Developer Tools | Display UI Extension Points
• Extender's have functions to add populate the extender (e.g. create a toolbar button)
• You pass in MenuCreation functions as parameters b/c they get called on-demand lazily when the menu is being created
• Menu/UI creation proceeds as normal Slate UI.
• Look at Sequencer.cpp for samples
• Look at Paper2D as samples as well (everything related to it is a plugin & not core to the engine)

Code References

• For a great reference point, start at: Source/Editor/DetailCustomizations/Private/DetailCustomizations.cpp
• For customizing a category:Source/Editor/DetailCustomizations/Private/StaticMeshComponentDetails.h
• To customize structs, use: derive from IPropertyTypeCustomization: /Editor/DetailCustomizations/Private/SlateColorCustomization.h for reference
• For component visualizers: Source/Editor/ComponentVisualizers/