Use case

There are two independent iOS-style switch implementations: Switch.adaptive and CupertinoSwitch.

CupertinoSwitch should support some functionality that Switch has, such as:

• Ability to customize mouse cursors.
• Ability to customize track outline color and width.
• Ability to customize thumb color in both active and inactive states.
• Ability to show an image/icon on the thumb.
• Ability to resolve properties in different WidgetStates.

Most of these capabilities are already provided via Switch.adaptive on iOS/macOS. However, CupertinoSwitch should also provide these capabilities. This is also an opportunity to bring the Switch and CupertinoSwitch APIs closer together.

Proposal

Part 1

Add these capabilities to CupertinoSwitch.

Part 2

Also, a decision should be made about having Switch.adaptive delegate to CupertinoSwitch so that there are not two independent iOS-style Switch implementations.