41 lines
844 B
Go
41 lines
844 B
Go
package m
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import "errors"
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type KeypadDimension struct {
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AttrsPerKey int `json:"attrs_per_key"`
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NumbOfKeys int `json:"numb_of_keys"`
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}
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func (kp *KeypadDimension) TotalAttrs() int {
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return kp.AttrsPerKey * kp.NumbOfKeys
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}
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func (kp *KeypadDimension) IsDispersable() bool {
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return kp.AttrsPerKey <= kp.NumbOfKeys
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}
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func (kp *KeypadDimension) IsValidKeypadDimension() error {
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if KeypadMin.AttrsPerKey > kp.AttrsPerKey || KeypadMax.AttrsPerKey < kp.AttrsPerKey || KeypadMin.NumbOfKeys > kp.NumbOfKeys || KeypadMax.NumbOfKeys < kp.NumbOfKeys {
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return errors.New("keypad dimensions out of range")
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}
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return nil
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}
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var (
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KeypadMax = KeypadDimension{
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AttrsPerKey: 16,
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NumbOfKeys: 15,
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}
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KeypadMin = KeypadDimension{
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AttrsPerKey: 6,
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NumbOfKeys: 5,
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}
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KeypadDefault = KeypadDimension{
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AttrsPerKey: 14,
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NumbOfKeys: 7,
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}
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)
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