frederikhandberg on nostr

Been working on implementing undo/redo functionality in my notes app.

The `UndoManager` API makes this easy by simply calling `registerUndo` and then you can use `setActionName` to give it a name that will be displayed in the 'Undo' menu option located in 'Edit'.

https://developer.apple.com/documentation/foundation/undomanager

Frederik Handberg · 3d

Btw. make sure to use `@Environment(\.undoManager)` in the SwiftUI view. This will automatically make the menu options and shortcuts (`Cmd+Z`) work. https://www.hackingwithswift.com/forums/macos/swiftui-app-life-cycle-undo-redo-and-menu-bar-items/7771

Frederik Handberg · 3d

This functionality is now supported by most block types, but still need to integrate the `UndoManager` in a few more blocks like headings and videos. Afterwards, I should make undo/redo work in the visual canvas. I also need to test thoroughly to make sure it only performs the undo action for the ...