forked from rivo/tview
/
semigraphics.go
296 lines (280 loc) · 18 KB
/
semigraphics.go
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
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
package tview
import "github.com/gdamore/tcell/v2"
// Semigraphics provides an easy way to access unicode characters for drawing.
//
// Named like the unicode characters, 'Semigraphics'-prefix used if unicode block
// isn't prefixed itself.
const (
// Block: General Punctation U+2000-U+206F (http://unicode.org/charts/PDF/U2000.pdf)
SemigraphicsHorizontalEllipsis rune = '\u2026' // …
// Block: Box Drawing U+2500-U+257F (http://unicode.org/charts/PDF/U2500.pdf)
BoxDrawingsLightHorizontal rune = '\u2500' // ─
BoxDrawingsHeavyHorizontal rune = '\u2501' // ━
BoxDrawingsLightVertical rune = '\u2502' // │
BoxDrawingsHeavyVertical rune = '\u2503' // ┃
BoxDrawingsLightTripleDashHorizontal rune = '\u2504' // ┄
BoxDrawingsHeavyTripleDashHorizontal rune = '\u2505' // ┅
BoxDrawingsLightTripleDashVertical rune = '\u2506' // ┆
BoxDrawingsHeavyTripleDashVertical rune = '\u2507' // ┇
BoxDrawingsLightQuadrupleDashHorizontal rune = '\u2508' // ┈
BoxDrawingsHeavyQuadrupleDashHorizontal rune = '\u2509' // ┉
BoxDrawingsLightQuadrupleDashVertical rune = '\u250a' // ┊
BoxDrawingsHeavyQuadrupleDashVertical rune = '\u250b' // ┋
BoxDrawingsLightDownAndRight rune = '\u250c' // ┌
BoxDrawingsDownLighAndRightHeavy rune = '\u250d' // ┍
BoxDrawingsDownHeavyAndRightLight rune = '\u250e' // ┎
BoxDrawingsHeavyDownAndRight rune = '\u250f' // ┏
BoxDrawingsLightDownAndLeft rune = '\u2510' // ┐
BoxDrawingsDownLighAndLeftHeavy rune = '\u2511' // ┑
BoxDrawingsDownHeavyAndLeftLight rune = '\u2512' // ┒
BoxDrawingsHeavyDownAndLeft rune = '\u2513' // ┓
BoxDrawingsLightUpAndRight rune = '\u2514' // └
BoxDrawingsUpLightAndRightHeavy rune = '\u2515' // ┕
BoxDrawingsUpHeavyAndRightLight rune = '\u2516' // ┖
BoxDrawingsHeavyUpAndRight rune = '\u2517' // ┗
BoxDrawingsLightUpAndLeft rune = '\u2518' // ┘
BoxDrawingsUpLightAndLeftHeavy rune = '\u2519' // ┙
BoxDrawingsUpHeavyAndLeftLight rune = '\u251a' // ┚
BoxDrawingsHeavyUpAndLeft rune = '\u251b' // ┛
BoxDrawingsLightVerticalAndRight rune = '\u251c' // ├
BoxDrawingsVerticalLightAndRightHeavy rune = '\u251d' // ┝
BoxDrawingsUpHeavyAndRightDownLight rune = '\u251e' // ┞
BoxDrawingsDownHeacyAndRightUpLight rune = '\u251f' // ┟
BoxDrawingsVerticalHeavyAndRightLight rune = '\u2520' // ┠
BoxDrawingsDownLightAnbdRightUpHeavy rune = '\u2521' // ┡
BoxDrawingsUpLightAndRightDownHeavy rune = '\u2522' // ┢
BoxDrawingsHeavyVerticalAndRight rune = '\u2523' // ┣
BoxDrawingsLightVerticalAndLeft rune = '\u2524' // ┤
BoxDrawingsVerticalLightAndLeftHeavy rune = '\u2525' // ┥
BoxDrawingsUpHeavyAndLeftDownLight rune = '\u2526' // ┦
BoxDrawingsDownHeavyAndLeftUpLight rune = '\u2527' // ┧
BoxDrawingsVerticalheavyAndLeftLight rune = '\u2528' // ┨
BoxDrawingsDownLightAndLeftUpHeavy rune = '\u2529' // ┨
BoxDrawingsUpLightAndLeftDownHeavy rune = '\u252a' // ┪
BoxDrawingsHeavyVerticalAndLeft rune = '\u252b' // ┫
BoxDrawingsLightDownAndHorizontal rune = '\u252c' // ┬
BoxDrawingsLeftHeavyAndRightDownLight rune = '\u252d' // ┭
BoxDrawingsRightHeavyAndLeftDownLight rune = '\u252e' // ┮
BoxDrawingsDownLightAndHorizontalHeavy rune = '\u252f' // ┯
BoxDrawingsDownHeavyAndHorizontalLight rune = '\u2530' // ┰
BoxDrawingsRightLightAndLeftDownHeavy rune = '\u2531' // ┱
BoxDrawingsLeftLightAndRightDownHeavy rune = '\u2532' // ┲
BoxDrawingsHeavyDownAndHorizontal rune = '\u2533' // ┳
BoxDrawingsLightUpAndHorizontal rune = '\u2534' // ┴
BoxDrawingsLeftHeavyAndRightUpLight rune = '\u2535' // ┵
BoxDrawingsRightHeavyAndLeftUpLight rune = '\u2536' // ┶
BoxDrawingsUpLightAndHorizontalHeavy rune = '\u2537' // ┷
BoxDrawingsUpHeavyAndHorizontalLight rune = '\u2538' // ┸
BoxDrawingsRightLightAndLeftUpHeavy rune = '\u2539' // ┹
BoxDrawingsLeftLightAndRightUpHeavy rune = '\u253a' // ┺
BoxDrawingsHeavyUpAndHorizontal rune = '\u253b' // ┻
BoxDrawingsLightVerticalAndHorizontal rune = '\u253c' // ┼
BoxDrawingsLeftHeavyAndRightVerticalLight rune = '\u253d' // ┽
BoxDrawingsRightHeavyAndLeftVerticalLight rune = '\u253e' // ┾
BoxDrawingsVerticalLightAndHorizontalHeavy rune = '\u253f' // ┿
BoxDrawingsUpHeavyAndDownHorizontalLight rune = '\u2540' // ╀
BoxDrawingsDownHeavyAndUpHorizontalLight rune = '\u2541' // ╁
BoxDrawingsVerticalHeavyAndHorizontalLight rune = '\u2542' // ╂
BoxDrawingsLeftUpHeavyAndRightDownLight rune = '\u2543' // ╃
BoxDrawingsRightUpHeavyAndLeftDownLight rune = '\u2544' // ╄
BoxDrawingsLeftDownHeavyAndRightUpLight rune = '\u2545' // ╅
BoxDrawingsRightDownHeavyAndLeftUpLight rune = '\u2546' // ╆
BoxDrawingsDownLightAndUpHorizontalHeavy rune = '\u2547' // ╇
BoxDrawingsUpLightAndDownHorizontalHeavy rune = '\u2548' // ╈
BoxDrawingsRightLightAndLeftVerticalHeavy rune = '\u2549' // ╉
BoxDrawingsLeftLightAndRightVerticalHeavy rune = '\u254a' // ╊
BoxDrawingsHeavyVerticalAndHorizontal rune = '\u254b' // ╋
BoxDrawingsLightDoubleDashHorizontal rune = '\u254c' // ╌
BoxDrawingsHeavyDoubleDashHorizontal rune = '\u254d' // ╍
BoxDrawingsLightDoubleDashVertical rune = '\u254e' // ╎
BoxDrawingsHeavyDoubleDashVertical rune = '\u254f' // ╏
BoxDrawingsDoubleHorizontal rune = '\u2550' // ═
BoxDrawingsDoubleVertical rune = '\u2551' // ║
BoxDrawingsDownSingleAndRightDouble rune = '\u2552' // ╒
BoxDrawingsDownDoubleAndRightSingle rune = '\u2553' // ╓
BoxDrawingsDoubleDownAndRight rune = '\u2554' // ╔
BoxDrawingsDownSingleAndLeftDouble rune = '\u2555' // ╕
BoxDrawingsDownDoubleAndLeftSingle rune = '\u2556' // ╖
BoxDrawingsDoubleDownAndLeft rune = '\u2557' // ╗
BoxDrawingsUpSingleAndRightDouble rune = '\u2558' // ╘
BoxDrawingsUpDoubleAndRightSingle rune = '\u2559' // ╙
BoxDrawingsDoubleUpAndRight rune = '\u255a' // ╚
BoxDrawingsUpSingleAndLeftDouble rune = '\u255b' // ╛
BoxDrawingsUpDobuleAndLeftSingle rune = '\u255c' // ╜
BoxDrawingsDoubleUpAndLeft rune = '\u255d' // ╝
BoxDrawingsVerticalSingleAndRightDouble rune = '\u255e' // ╞
BoxDrawingsVerticalDoubleAndRightSingle rune = '\u255f' // ╟
BoxDrawingsDoubleVerticalAndRight rune = '\u2560' // ╠
BoxDrawingsVerticalSingleAndLeftDouble rune = '\u2561' // ╡
BoxDrawingsVerticalDoubleAndLeftSingle rune = '\u2562' // ╢
BoxDrawingsDoubleVerticalAndLeft rune = '\u2563' // ╣
BoxDrawingsDownSingleAndHorizontalDouble rune = '\u2564' // ╤
BoxDrawingsDownDoubleAndHorizontalSingle rune = '\u2565' // ╥
BoxDrawingsDoubleDownAndHorizontal rune = '\u2566' // ╦
BoxDrawingsUpSingleAndHorizontalDouble rune = '\u2567' // ╧
BoxDrawingsUpDoubleAndHorizontalSingle rune = '\u2568' // ╨
BoxDrawingsDoubleUpAndHorizontal rune = '\u2569' // ╩
BoxDrawingsVerticalSingleAndHorizontalDouble rune = '\u256a' // ╪
BoxDrawingsVerticalDoubleAndHorizontalSingle rune = '\u256b' // ╫
BoxDrawingsDoubleVerticalAndHorizontal rune = '\u256c' // ╬
BoxDrawingsLightArcDownAndRight rune = '\u256d' // ╭
BoxDrawingsLightArcDownAndLeft rune = '\u256e' // ╮
BoxDrawingsLightArcUpAndLeft rune = '\u256f' // ╯
BoxDrawingsLightArcUpAndRight rune = '\u2570' // ╰
BoxDrawingsLightDiagonalUpperRightToLowerLeft rune = '\u2571' // ╱
BoxDrawingsLightDiagonalUpperLeftToLowerRight rune = '\u2572' // ╲
BoxDrawingsLightDiagonalCross rune = '\u2573' // ╳
BoxDrawingsLightLeft rune = '\u2574' // ╴
BoxDrawingsLightUp rune = '\u2575' // ╵
BoxDrawingsLightRight rune = '\u2576' // ╶
BoxDrawingsLightDown rune = '\u2577' // ╷
BoxDrawingsHeavyLeft rune = '\u2578' // ╸
BoxDrawingsHeavyUp rune = '\u2579' // ╹
BoxDrawingsHeavyRight rune = '\u257a' // ╺
BoxDrawingsHeavyDown rune = '\u257b' // ╻
BoxDrawingsLightLeftAndHeavyRight rune = '\u257c' // ╼
BoxDrawingsLightUpAndHeavyDown rune = '\u257d' // ╽
BoxDrawingsHeavyLeftAndLightRight rune = '\u257e' // ╾
BoxDrawingsHeavyUpAndLightDown rune = '\u257f' // ╿
)
// SemigraphicJoints is a map for joining semigraphic (or otherwise) runes.
// So far only light lines are supported but if you want to change the border
// styling you need to provide the joints, too.
// The matching will be sorted ascending by rune value, so you don't need to
// provide all rune combinations,
// e.g. (─) + (│) = (┼) will also match (│) + (─) = (┼)
var SemigraphicJoints = map[string]rune{
// (─) + (│) = (┼)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightVertical}): BoxDrawingsLightVerticalAndHorizontal,
// (─) + (┌) = (┬)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightDownAndRight}): BoxDrawingsLightDownAndHorizontal,
// (─) + (┐) = (┬)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightDownAndLeft}): BoxDrawingsLightDownAndHorizontal,
// (─) + (└) = (┴)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightUpAndRight}): BoxDrawingsLightUpAndHorizontal,
// (─) + (┘) = (┴)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightUpAndHorizontal,
// (─) + (├) = (┼)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndHorizontal,
// (─) + (┤) = (┼)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndHorizontal,
// (─) + (┬) = (┬)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightDownAndHorizontal,
// (─) + (┴) = (┴)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightUpAndHorizontal,
// (─) + (┼) = (┼)
string([]rune{BoxDrawingsLightHorizontal, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (│) + (┌) = (├)
string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightDownAndRight}): BoxDrawingsLightVerticalAndRight,
// (│) + (┐) = (┤)
string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightDownAndLeft}): BoxDrawingsLightVerticalAndLeft,
// (│) + (└) = (├)
string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightUpAndRight}): BoxDrawingsLightVerticalAndRight,
// (│) + (┘) = (┤)
string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightVerticalAndLeft,
// (│) + (├) = (├)
string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndRight,
// (│) + (┤) = (┤)
string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndLeft,
// (│) + (┬) = (┼)
string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (│) + (┴) = (┼)
string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (│) + (┼) = (┼)
string([]rune{BoxDrawingsLightVertical, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┌) + (┐) = (┬)
string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightDownAndLeft}): BoxDrawingsLightDownAndHorizontal,
// (┌) + (└) = (├)
string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightUpAndRight}): BoxDrawingsLightVerticalAndRight,
// (┌) + (┘) = (┼)
string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightVerticalAndHorizontal,
// (┌) + (├) = (├)
string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndRight,
// (┌) + (┤) = (┼)
string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndHorizontal,
// (┌) + (┬) = (┬)
string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightDownAndHorizontal,
// (┌) + (┴) = (┼)
string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┌) + (┴) = (┼)
string([]rune{BoxDrawingsLightDownAndRight, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┐) + (└) = (┼)
string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightUpAndRight}): BoxDrawingsLightVerticalAndHorizontal,
// (┐) + (┘) = (┤)
string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightVerticalAndLeft,
// (┐) + (├) = (┼)
string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndHorizontal,
// (┐) + (┤) = (┤)
string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndLeft,
// (┐) + (┬) = (┬)
string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightDownAndHorizontal,
// (┐) + (┴) = (┼)
string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┐) + (┼) = (┼)
string([]rune{BoxDrawingsLightDownAndLeft, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (└) + (┘) = (┴)
string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightUpAndLeft}): BoxDrawingsLightUpAndHorizontal,
// (└) + (├) = (├)
string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndRight,
// (└) + (┤) = (┼)
string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndHorizontal,
// (└) + (┬) = (┼)
string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (└) + (┴) = (┴)
string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightUpAndHorizontal,
// (└) + (┼) = (┼)
string([]rune{BoxDrawingsLightUpAndRight, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┘) + (├) = (┼)
string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightVerticalAndRight}): BoxDrawingsLightVerticalAndHorizontal,
// (┘) + (┤) = (┤)
string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndLeft,
// (┘) + (┬) = (┼)
string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┘) + (┴) = (┴)
string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightUpAndHorizontal,
// (┘) + (┼) = (┼)
string([]rune{BoxDrawingsLightUpAndLeft, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (├) + (┤) = (┼)
string([]rune{BoxDrawingsLightVerticalAndRight, BoxDrawingsLightVerticalAndLeft}): BoxDrawingsLightVerticalAndHorizontal,
// (├) + (┬) = (┼)
string([]rune{BoxDrawingsLightVerticalAndRight, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (├) + (┴) = (┼)
string([]rune{BoxDrawingsLightVerticalAndRight, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (├) + (┼) = (┼)
string([]rune{BoxDrawingsLightVerticalAndRight, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┤) + (┬) = (┼)
string([]rune{BoxDrawingsLightVerticalAndLeft, BoxDrawingsLightDownAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┤) + (┴) = (┼)
string([]rune{BoxDrawingsLightVerticalAndLeft, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┤) + (┼) = (┼)
string([]rune{BoxDrawingsLightVerticalAndLeft, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┬) + (┴) = (┼)
string([]rune{BoxDrawingsLightDownAndHorizontal, BoxDrawingsLightUpAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┬) + (┼) = (┼)
string([]rune{BoxDrawingsLightDownAndHorizontal, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
// (┴) + (┼) = (┼)
string([]rune{BoxDrawingsLightUpAndHorizontal, BoxDrawingsLightVerticalAndHorizontal}): BoxDrawingsLightVerticalAndHorizontal,
}
// PrintJoinedSemigraphics prints a semigraphics rune into the screen at the given
// position with the given color, joining it with any existing semigraphics
// rune. Background colors are preserved. At this point, only regular single
// line borders are supported.
func PrintJoinedSemigraphics(screen tcell.Screen, x, y int, ch rune, color tcell.Color) {
previous, _, style, _ := screen.GetContent(x, y)
style = style.Foreground(color)
// What's the resulting rune?
var result rune
if ch == previous {
result = ch
} else {
if ch < previous {
previous, ch = ch, previous
}
result = SemigraphicJoints[string([]rune{previous, ch})]
}
if result == 0 {
result = ch
}
// We only print something if we have something.
screen.SetContent(x, y, result, nil, style)
}