56 lines
835 B
Go
56 lines
835 B
Go
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package keys
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type State interface {
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Handler
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Down(Code) bool
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Up(Code) bool
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Shift() bool
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Ctrl() bool
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Alt() bool
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Super() bool
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}
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type state map[Code]bool
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func NewState() State {
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return state{}
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}
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func (s state) KeyEvent(e Event) {
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if e.Action() == Press {
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s[e.Code()] = true
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}
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if e.Action() == Release {
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s[e.Code()] = false
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}
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}
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func (s state) Down(key Code) bool {
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if state, stored := s[key]; stored {
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return state
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}
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return false
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}
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func (s state) Up(key Code) bool {
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return !s.Down(key)
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}
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func (s state) Shift() bool {
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return s.Down(LeftShift) || s.Down(RightShift)
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}
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func (s state) Alt() bool {
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return s.Down(LeftAlt) || s.Down(RightAlt)
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}
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func (s state) Ctrl() bool {
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return s.Down(LeftControl) || s.Down(RightControl)
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}
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func (s state) Super() bool {
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return s.Down(LeftSuper) || s.Down(RightSuper)
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}
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