github.com/oam-dev/kubevela@v1.9.11/references/cli/top/component/key.go (about)

     1  /*
     2  Copyright 2022 The KubeVela Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package component
    18  
    19  import "github.com/gdamore/tcell/v2"
    20  
    21  const (
    22  	// KeyHelp corresponding value of keyboard key "?"
    23  	KeyHelp = 63
    24  	// KeySlash corresponding value of keyboard key "/"
    25  	KeySlash = 47
    26  	// KeyColon corresponding value of keyboard key ":"
    27  	KeyColon = 58
    28  	// KeySpace corresponding value of keyboard key "SPACE"
    29  	KeySpace = 32
    30  )
    31  
    32  // Defines char keystrokes.
    33  const (
    34  	KeyA tcell.Key = iota + 97
    35  	KeyB
    36  	KeyC
    37  	KeyD
    38  	KeyE
    39  	KeyF
    40  	KeyG
    41  	KeyH
    42  	KeyI
    43  	KeyJ
    44  	KeyK
    45  	KeyL
    46  	KeyM
    47  	KeyN
    48  	KeyO
    49  	KeyP
    50  	KeyQ
    51  	KeyR
    52  	KeyS
    53  	KeyT
    54  	KeyU
    55  	KeyV
    56  	KeyW
    57  	KeyX
    58  	KeyY
    59  	KeyZ
    60  )
    61  
    62  func init() {
    63  	tcell.KeyNames[tcell.Key(KeyHelp)] = "?"
    64  	tcell.KeyNames[tcell.Key(KeySlash)] = "/"
    65  	tcell.KeyNames[tcell.Key(KeySpace)] = "space"
    66  
    67  	initStdKeys()
    68  }
    69  
    70  func initStdKeys() {
    71  	tcell.KeyNames[KeyA] = "a"
    72  	tcell.KeyNames[KeyB] = "b"
    73  	tcell.KeyNames[KeyC] = "c"
    74  	tcell.KeyNames[KeyD] = "d"
    75  	tcell.KeyNames[KeyE] = "e"
    76  	tcell.KeyNames[KeyF] = "f"
    77  	tcell.KeyNames[KeyG] = "g"
    78  	tcell.KeyNames[KeyH] = "h"
    79  	tcell.KeyNames[KeyI] = "i"
    80  	tcell.KeyNames[KeyJ] = "j"
    81  	tcell.KeyNames[KeyK] = "k"
    82  	tcell.KeyNames[KeyL] = "l"
    83  	tcell.KeyNames[KeyM] = "m"
    84  	tcell.KeyNames[KeyN] = "n"
    85  	tcell.KeyNames[KeyO] = "o"
    86  	tcell.KeyNames[KeyP] = "p"
    87  	tcell.KeyNames[KeyQ] = "q"
    88  	tcell.KeyNames[KeyR] = "r"
    89  	tcell.KeyNames[KeyS] = "s"
    90  	tcell.KeyNames[KeyT] = "t"
    91  	tcell.KeyNames[KeyU] = "u"
    92  	tcell.KeyNames[KeyV] = "v"
    93  	tcell.KeyNames[KeyW] = "w"
    94  	tcell.KeyNames[KeyX] = "x"
    95  	tcell.KeyNames[KeyY] = "y"
    96  	tcell.KeyNames[KeyZ] = "z"
    97  }
    98  
    99  // StandardizeKey standardized combined key event and return corresponding key
   100  func StandardizeKey(event *tcell.EventKey) tcell.Key {
   101  	if event.Key() == 256 {
   102  		return tcell.Key(event.Rune())
   103  	}
   104  	return event.Key()
   105  }