1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
package keys
import "atomicgo.dev/keyboard/internal"
// Key contains information about a keypress.
type Key struct {
Code KeyCode
Runes []rune // Runes that the key produced. Most key pressed produce one single rune.
AltPressed bool // True when alt is pressed while the key is typed.
}
// String returns a string representation of the key.
// (e.g. "a", "B", "alt+a", "enter", "ctrl+c", "shift-down", etc.)
//
// Example:
//
// k := keys.Key{Code: keys.Enter}
// fmt.Println(k)
// // Output: enter
func (k Key) String() (str string) {
if k.AltPressed {
str += "alt+"
}
if k.Code == RuneKey {
str += string(k.Runes)
return str
} else if s, ok := keyNames[k.Code]; ok {
str += s
return str
}
return ""
}
// KeyCode is an integer representation of a non-rune key, such as Escape, Enter, etc.
// All other keys are represented by a rune and have the KeyCode: RuneKey.
//
// Example:
//
// k := Key{Code: RuneKey, Runes: []rune{'x'}, AltPressed: true}
// if k.Code == RuneKey {
// fmt.Println(k.Runes)
// // Output: x
//
// fmt.Println(k.String())
// // Output: alt+x
// }
type KeyCode int
func (k KeyCode) String() (str string) {
if s, ok := keyNames[k]; ok {
return s
}
return ""
}
// All control keys.
const (
Null KeyCode = internal.KeyNull
Break KeyCode = internal.KeyExit
Enter KeyCode = internal.KeyCarriageReturn
Backspace KeyCode = internal.KeyDelete
Tab KeyCode = internal.KeyHorizontalTabulation
Esc KeyCode = internal.KeyEscape
Escape KeyCode = internal.KeyEscape
CtrlAt KeyCode = internal.KeyNull
CtrlA KeyCode = internal.KeyStartOfHeading
CtrlB KeyCode = internal.KeyStartOfText
CtrlC KeyCode = internal.KeyExit
CtrlD KeyCode = internal.KeyEndOfTransimission
CtrlE KeyCode = internal.KeyEnquiry
CtrlF KeyCode = internal.KeyAcknowledge
CtrlG KeyCode = internal.KeyBELL
CtrlH KeyCode = internal.KeyBackspace
CtrlI KeyCode = internal.KeyHorizontalTabulation
CtrlJ KeyCode = internal.KeyLineFeed
CtrlK KeyCode = internal.KeyVerticalTabulation
CtrlL KeyCode = internal.KeyFormFeed
CtrlM KeyCode = internal.KeyCarriageReturn
CtrlN KeyCode = internal.KeyShiftOut
CtrlO KeyCode = internal.KeyShiftIn
CtrlP KeyCode = internal.KeyDataLinkEscape
CtrlQ KeyCode = internal.KeyDeviceControl1
CtrlR KeyCode = internal.KeyDeviceControl2
CtrlS KeyCode = internal.KeyDeviceControl3
CtrlT KeyCode = internal.KeyDeviceControl4
CtrlU KeyCode = internal.KeyNegativeAcknowledge
CtrlV KeyCode = internal.KeySynchronousIdle
CtrlW KeyCode = internal.KeyEndOfTransmissionBlock
CtrlX KeyCode = internal.KeyCancel
CtrlY KeyCode = internal.KeyEndOfMedium
CtrlZ KeyCode = internal.KeySubstitution
CtrlOpenBracket KeyCode = internal.KeyEscape
CtrlBackslash KeyCode = internal.KeyFileSeparator
CtrlCloseBracket KeyCode = internal.KeyGroupSeparator
CtrlCaret KeyCode = internal.KeyRecordSeparator
CtrlUnderscore KeyCode = internal.KeyUnitSeparator
CtrlQuestionMark KeyCode = internal.KeyDelete
)
// Other keys.
const (
RuneKey KeyCode = -(iota + 1)
Up
Down
Right
Left
ShiftTab
Home
End
PgUp
PgDown
Delete
Space
CtrlUp
CtrlDown
CtrlRight
CtrlLeft
ShiftUp
ShiftDown
ShiftRight
ShiftLeft
CtrlShiftUp
CtrlShiftDown
CtrlShiftLeft
CtrlShiftRight
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17
F18
F19
F20
)
var keyNames = map[KeyCode]string{
// Control keys.
internal.KeyNull: "ctrl+@", // also ctrl+backtick
internal.KeyStartOfHeading: "ctrl+a",
internal.KeyStartOfText: "ctrl+b",
internal.KeyExit: "ctrl+c",
internal.KeyEndOfTransimission: "ctrl+d",
internal.KeyEnquiry: "ctrl+e",
internal.KeyAcknowledge: "ctrl+f",
internal.KeyBELL: "ctrl+g",
internal.KeyBackspace: "ctrl+h",
internal.KeyHorizontalTabulation: "tab", // also ctrl+i
internal.KeyLineFeed: "ctrl+j",
internal.KeyVerticalTabulation: "ctrl+k",
internal.KeyFormFeed: "ctrl+l",
internal.KeyCarriageReturn: "enter",
internal.KeyShiftOut: "ctrl+n",
internal.KeyShiftIn: "ctrl+o",
internal.KeyDataLinkEscape: "ctrl+p",
internal.KeyDeviceControl1: "ctrl+q",
internal.KeyDeviceControl2: "ctrl+r",
internal.KeyDeviceControl3: "ctrl+s",
internal.KeyDeviceControl4: "ctrl+t",
internal.KeyNegativeAcknowledge: "ctrl+u",
internal.KeySynchronousIdle: "ctrl+v",
internal.KeyEndOfTransmissionBlock: "ctrl+w",
internal.KeyCancel: "ctrl+x",
internal.KeyEndOfMedium: "ctrl+y",
internal.KeySubstitution: "ctrl+z",
internal.KeyEscape: "esc",
internal.KeyFileSeparator: "ctrl+\\",
internal.KeyGroupSeparator: "ctrl+]",
internal.KeyRecordSeparator: "ctrl+^",
internal.KeyUnitSeparator: "ctrl+_",
internal.KeyDelete: "backspace",
// Other keys.
RuneKey: "runes",
Up: "up",
Down: "down",
Right: "right",
Space: "space",
Left: "left",
ShiftTab: "shift+tab",
Home: "home",
End: "end",
PgUp: "pgup",
PgDown: "pgdown",
Delete: "delete",
CtrlUp: "ctrl+up",
CtrlDown: "ctrl+down",
CtrlRight: "ctrl+right",
CtrlLeft: "ctrl+left",
ShiftUp: "shift+up",
ShiftDown: "shift+down",
ShiftRight: "shift+right",
ShiftLeft: "shift+left",
CtrlShiftUp: "ctrl+shift+up",
CtrlShiftDown: "ctrl+shift+down",
CtrlShiftLeft: "ctrl+shift+left",
CtrlShiftRight: "ctrl+shift+right",
F1: "f1",
F2: "f2",
F3: "f3",
F4: "f4",
F5: "f5",
F6: "f6",
F7: "f7",
F8: "f8",
F9: "f9",
F10: "f10",
F11: "f11",
F12: "f12",
F13: "f13",
F14: "f14",
F15: "f15",
F16: "f16",
F17: "f17",
F18: "f18",
F19: "f19",
F20: "f20",
}
|
