ml
35 lines
1020 B
Go
35 lines
1020 B
Go
package input
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// Modifier is a collection of currently pressed modifier keys.
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type Modifier uint32
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// Constants for common modifier.
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const (
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ModNone = Modifier(0x00000000)
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ModShift = Modifier(0x00000001)
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ModControl = Modifier(0x00000002)
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ModAlt = Modifier(0x00000004)
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ModSuper = Modifier(0x00000008)
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)
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// IsClear returns true if nothing is set.
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func (mod Modifier) IsClear() bool {
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return mod == ModNone
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}
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// With returns a combination of this modifier and the given one.
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func (mod Modifier) With(other Modifier) Modifier {
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return Modifier(uint32(mod) | uint32(other))
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}
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// Without returns the result of this modifier without the given one.
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func (mod Modifier) Without(other Modifier) Modifier {
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return Modifier(uint32(mod) & ^uint32(other))
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}
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// Has returns true if the given modifier is included in this set.
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// This modifier can have more keys set than the requested and still return true.
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func (mod Modifier) Has(other Modifier) bool {
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return (uint32(mod) | uint32(other)) == uint32(mod)
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}
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