joyful/internal/mappingrules/rule_target_hat.go

53 lines
1.2 KiB
Go

package mappingrules
import (
"fmt"
"git.annabunches.net/annabunches/joyful/internal/configparser"
"git.annabunches.net/annabunches/joyful/internal/eventcodes"
"github.com/holoplot/go-evdev"
)
type RuleTargetHat struct {
Device Device
Hat evdev.EvCode
Inverted bool
}
func NewRuleTargetHatFromConfig(config configparser.RuleTargetConfigHat, devs map[string]Device) (*RuleTargetHat, error) {
dev, ok := devs[config.Device]
if !ok {
return nil, fmt.Errorf("device '%s' not found", config.Device)
}
code, err := eventcodes.ParseCode(config.Hat, eventcodes.CodePrefixAxis)
if err != nil {
return nil, err
}
return &RuleTargetHat{
Device: dev,
Hat: code,
Inverted: config.Inverted,
}, nil
}
func (target *RuleTargetHat) NormalizeValue(value int32) int32 {
if !target.Inverted {
return value
}
return value * -1
}
func (target *RuleTargetHat) CreateEvent(value int32, _ *string) *evdev.InputEvent {
return &evdev.InputEvent{
Type: evdev.EV_ABS,
Code: target.Hat,
Value: value,
}
}
func (target *RuleTargetHat) MatchEvent(device Device, event *evdev.InputEvent) bool {
return device == target.Device && event.Code == target.Hat
}