joyful/internal/mappingrules/rule_target_relaxis.go

65 lines
1.6 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 RuleTargetRelaxis struct {
DeviceName string
Device Device
Axis evdev.EvCode
}
func NewRuleTargetRelaxisFromConfig(targetConfig configparser.RuleTargetConfigRelaxis, devs map[string]Device) (*RuleTargetRelaxis, error) {
device, ok := devs[targetConfig.Device]
if !ok {
return nil, fmt.Errorf("non-existent device '%s'", targetConfig.Device)
}
eventCode, err := eventcodes.ParseCode(targetConfig.Axis, eventcodes.CodePrefixRelaxis)
if err != nil {
return nil, err
}
return NewRuleTargetRelaxis(
targetConfig.Device,
device,
eventCode,
)
}
func NewRuleTargetRelaxis(deviceName string,
device Device,
axis evdev.EvCode) (*RuleTargetRelaxis, error) {
return &RuleTargetRelaxis{
DeviceName: deviceName,
Device: device,
Axis: axis,
}, nil
}
// NormalizeValue takes a raw input value and converts it to a value suitable for output.
//
// Relative axes are currently only supported for output.
// TODO: make this have an error return?
func (target *RuleTargetRelaxis) NormalizeValue(value int32) int32 {
return 0
}
func (target *RuleTargetRelaxis) CreateEvent(value int32, mode *string) *evdev.InputEvent {
return &evdev.InputEvent{
Type: evdev.EV_REL,
Code: target.Axis,
Value: value,
}
}
// Relative axis is only supported for output.
func (target *RuleTargetRelaxis) MatchEvent(device Device, event *evdev.InputEvent) bool {
return false
}