joyful/internal/mappingrules/mapping_rule_latched.go

33 lines
754 B
Go

package mappingrules
import "github.com/holoplot/go-evdev"
type MappingRuleLatched struct {
MappingRuleBase
Input *RuleTargetButton
Output *RuleTargetButton
State bool
}
func (rule *MappingRuleLatched) MatchEvent(device *evdev.InputDevice, event *evdev.InputEvent, mode *string) (*evdev.InputDevice, *evdev.InputEvent) {
if !rule.MappingRuleBase.modeCheck(mode) {
return nil, nil
}
if device != rule.Input.Device ||
event.Code != rule.Input.Code ||
rule.Input.NormalizeValue(event.Value) == 0 {
return nil, nil
}
// Input is pressed, so toggle state and emit event
var value int32
rule.State = !rule.State
if rule.State {
value = 1
} else {
value = 0
}
return rule.Output.Device, rule.Output.CreateEvent(value, mode)
}