onPress
Handles every pointer press that hits this modifier's laid-out bounds.
Return
this chain with one appended active press handler.
Parameters
callback
callback receiving the typed event and modifier-local position and deciding propagation.
Throws
Runs action for every primary pointer press that hits this modifier and consumes the event. Other button presses remain ignored so lower or earlier handlers can process them.
Return
this chain with one appended consuming press handler.
Parameters
action
synchronous action invoked on the owning tree thread.