Big Refactor (#2)
Refactor Everything. Co-authored-by: Anna Rose Wiggins <annabunches@gmail.com> Co-committed-by: Anna Rose Wiggins <annabunches@gmail.com>
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21 changed files with 413 additions and 309 deletions
62
internal/mappingrules/mapping_rule_button_combo.go
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62
internal/mappingrules/mapping_rule_button_combo.go
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package mappingrules
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import "github.com/holoplot/go-evdev"
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// A Combo Mapping Rule can require multiple physical button presses for a single output button
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type MappingRuleButtonCombo struct {
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MappingRuleBase
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Inputs []*RuleTargetButton
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Output *RuleTargetButton
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State int
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}
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func NewMappingRuleButtonCombo(
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base MappingRuleBase,
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inputs []*RuleTargetButton,
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output *RuleTargetButton) *MappingRuleButtonCombo {
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return &MappingRuleButtonCombo{
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MappingRuleBase: base,
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Inputs: inputs,
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Output: output,
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State: 0,
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}
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}
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func (rule *MappingRuleButtonCombo) MatchEvent(device *evdev.InputDevice, event *evdev.InputEvent, mode *string) (*evdev.InputDevice, *evdev.InputEvent) {
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if !rule.MappingRuleBase.modeCheck(mode) {
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return nil, nil
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}
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// Check each of the inputs, and if we find a match, proceed
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var match *RuleTargetButton
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for _, input := range rule.Inputs {
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if input.MatchEvent(device, event) {
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match = input
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break
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}
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}
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if match == nil {
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return nil, nil
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}
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// Get the value and add/subtract it from State
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inputValue := match.NormalizeValue(event.Value)
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oldState := rule.State
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if inputValue == 0 {
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rule.State = max(rule.State-1, 0)
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}
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if inputValue == 1 {
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rule.State++
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}
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targetState := len(rule.Inputs)
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if oldState == targetState-1 && rule.State == targetState {
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return rule.Output.Device, rule.Output.CreateEvent(1, mode)
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}
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if oldState == targetState && rule.State == targetState-1 {
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return rule.Output.Device, rule.Output.CreateEvent(0, mode)
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}
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return nil, nil
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}
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