joyful/internal/mappingrules/interfaces.go

28 lines
999 B
Go

package mappingrules
import "github.com/holoplot/go-evdev"
type MappingRule interface {
MatchEvent(*evdev.InputDevice, *evdev.InputEvent, *string) *evdev.InputEvent
OutputName() string
}
// RuleTargets represent either a device input to match on, or an output to produce.
// Some RuleTarget types may work via side effects, such as RuleTargetModeSelect.
type RuleTarget interface {
// NormalizeValue takes the raw input value and possibly modifies it based on the Target settings.
// (e.g., inverting the value if Inverted == true)
NormalizeValue(int32) int32
// CreateEvent typically takes the (probably normalized) value and returns an event that can be emitted
// on a virtual device.
//
// For RuleTargetModeSelect, this method modifies the active mode and returns nil.
//
// TODO: should we normalize inside this function to simplify the interface?
CreateEvent(int32, *string) *evdev.InputEvent
GetCode() evdev.EvCode
GetDeviceName() string
GetDevice() *evdev.InputDevice
}