mirror of https://github.com/mum4k/termdash.git
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
// Copyright 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package keyboard defines well known keyboard keys and shortcuts.
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package keyboard
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// Key represents a single button on the keyboard.
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// Printable characters are set to their ASCII/Unicode rune value.
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// Non-printable (control) characters are equal to one of the constants defined
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// below.
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type Key rune
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// String implements fmt.Stringer()
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func (b Key) String() string {
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if n, ok := buttonNames[b]; ok {
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return n
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} else if b >= 0 {
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return string(b)
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}
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return "KeyUnknown"
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}
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// buttonNames maps Key values to human readable names.
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var buttonNames = map[Key]string{
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KeyF1: "KeyF1",
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KeyF2: "KeyF2",
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KeyF3: "KeyF3",
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KeyF4: "KeyF4",
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KeyF5: "KeyF5",
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KeyF6: "KeyF6",
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KeyF7: "KeyF7",
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KeyF8: "KeyF8",
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KeyF9: "KeyF9",
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KeyF10: "KeyF10",
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KeyF11: "KeyF11",
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KeyF12: "KeyF12",
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KeyInsert: "KeyInsert",
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KeyDelete: "KeyDelete",
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KeyHome: "KeyHome",
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KeyEnd: "KeyEnd",
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KeyPgUp: "KeyPgUp",
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KeyPgDn: "KeyPgDn",
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KeyArrowUp: "KeyArrowUp",
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KeyArrowDown: "KeyArrowDown",
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KeyArrowLeft: "KeyArrowLeft",
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KeyArrowRight: "KeyArrowRight",
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KeyBackspace: "KeyBackspace",
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KeyTab: "KeyTab",
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KeyEnter: "KeyEnter",
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KeyEsc: "KeyEsc",
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KeyCtrl: "KeyCtrl",
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}
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// Printable characters, but worth having constants for them.
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const (
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KeySpace = ' '
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)
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// Negative values for non-printable characters.
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const (
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KeyF1 Key = -(iota + 1)
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KeyF2
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KeyF3
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KeyF4
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KeyF5
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KeyF6
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KeyF7
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KeyF8
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KeyF9
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KeyF10
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KeyF11
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KeyF12
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KeyInsert
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KeyDelete
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KeyHome
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KeyEnd
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KeyPgUp
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KeyPgDn
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KeyArrowUp
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KeyArrowDown
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KeyArrowLeft
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KeyArrowRight
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KeyBackspace
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KeyTab
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KeyEnter
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KeyEsc
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KeyCtrl
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)
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