aboutsummaryrefslogtreecommitdiffhomepage
path: root/desktop/sources/scripts/client.js
blob: 525158a89a01e9612e9500fa1b179be17fc5ac3b (plain)
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
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
'use strict'

/* global library */
/* global Acels */
/* global Source */
/* global History */
/* global Orca */
/* global IO */
/* global Cursor */
/* global Commander */
/* global Clock */
/* global Theme */

function Client () {
  this.version = 170
  this.library = library

  this.theme = new Theme(this)
  this.acels = new Acels(this)
  this.source = new Source(this)
  this.history = new History(this)

  this.orca = new Orca(this.library)
  this.io = new IO(this)
  this.cursor = new Cursor(this)
  this.commander = new Commander(this)
  this.clock = new Clock(this)

  // Settings
  this.scale = window.devicePixelRatio
  this.grid = { w: 8, h: 8 }
  this.tile = {
    w: +localStorage.getItem('tilew') || 10,
    h: +localStorage.getItem('tileh') || 15
  }
  this.guide = false

  this.el = document.createElement('canvas')
  this.context = this.el.getContext('2d')

  this.install = (host) => {
    host.appendChild(this.el)
    this.theme.install(host)

    this.theme.default = { background: '#000000', f_high: '#ffffff', f_med: '#777777', f_low: '#444444', f_inv: '#000000', b_high: '#eeeeee', b_med: '#72dec2', b_low: '#444444', b_inv: '#ffb545' }

    this.acels.set('File', 'New', 'CmdOrCtrl+N', () => { this.reset() })
    this.acels.set('File', 'Open', 'CmdOrCtrl+O', () => { this.source.open('orca', this.whenOpen, true) })
    this.acels.set('File', 'Import Modules', 'CmdOrCtrl+L', () => { this.source.load('orca') })
    this.acels.set('File', 'Import Images', 'CmdOrCtrl+Shift+L', () => { this.source.load('jpg') })
    this.acels.set('File', 'Export', 'CmdOrCtrl+S', () => { this.source.write('orca', 'orca', `${this.orca}`, 'text/plain') })
    this.acels.set('File', 'Export Selection', 'CmdOrCtrl+Shift+S', () => { this.source.write('orca', 'orca', `${this.cursor.selection()}`, 'text/plain') })

    this.acels.add('Edit', 'cut')
    this.acels.add('Edit', 'copy')
    this.acels.add('Edit', 'paste')

    this.acels.set('Edit', 'Select All', 'CmdOrCtrl+A', () => { this.cursor.selectAll() })
    this.acels.set('Edit', 'Erase Selection', 'Backspace', () => { if (this.cursor.ins) { this.cursor.erase(); this.cursor.move(-1, 0) } else { this[this.commander.isActive ? 'commander' : 'cursor'].erase() } })
    this.acels.set('Edit', 'Undo', 'CmdOrCtrl+Z', () => { this.history.undo() })
    this.acels.set('Edit', 'Redo', 'CmdOrCtrl+Shift+Z', () => { this.history.redo() })

    this.acels.set('Project', 'Find', 'CmdOrCtrl+J', () => { this.commander.start('find:') })
    this.acels.set('Project', 'Inject', 'CmdOrCtrl+B', () => { this.commander.start('inject:') })
    this.acels.set('Project', 'Toggle Commander', 'CmdOrCtrl+K', () => { this.commander.start() })
    this.acels.set('Project', 'Run Commander', 'Enter', () => { this.commander.run() })

    this.acels.set('Cursor', 'Toggle Insert Mode', 'CmdOrCtrl+I', () => { this.cursor.ins = !this.cursor.ins })
    this.acels.set('Cursor', 'Toggle Block Comment', 'CmdOrCtrl+/', () => { this.cursor.comment() })
    this.acels.set('Cursor', 'Trigger Operator', 'CmdOrCtrl+P', () => { this.cursor.trigger() })
    this.acels.set('Cursor', 'Reset', 'Escape', () => { this.toggleGuide(false); this.commander.stop(); this.clear(); this.clock.isPaused = false; this.cursor.reset() })

    this.acels.set('Move', 'Move North', 'ArrowUp', () => { this.cursor.move(0, 1) })
    this.acels.set('Move', 'Move East', 'ArrowRight', () => { this.cursor.move(1, 0) })
    this.acels.set('Move', 'Move South', 'ArrowDown', () => { this.cursor.move(0, -1) })
    this.acels.set('Move', 'Move West', 'ArrowLeft', () => { this.cursor.move(-1, 0) })
    this.acels.set('Move', 'Scale North', 'Shift+ArrowUp', () => { this.cursor.scale(0, 1) })
    this.acels.set('Move', 'Scale East', 'Shift+ArrowRight', () => { this.cursor.scale(1, 0) })
    this.acels.set('Move', 'Scale South', 'Shift+ArrowDown', () => { this.cursor.scale(0, -1) })
    this.acels.set('Move', 'Scale West', 'Shift+ArrowLeft', () => { this.cursor.scale(-1, 0) })
    this.acels.set('Move', 'Drag North', 'Alt+ArrowUp', () => { this.cursor.drag(0, 1) })
    this.acels.set('Move', 'Drag East', 'Alt+ArrowRight', () => { this.cursor.drag(1, 0) })
    this.acels.set('Move', 'Drag South', 'Alt+ArrowDown', () => { this.cursor.drag(0, -1) })
    this.acels.set('Move', 'Drag West', 'Alt+ArrowLeft', () => { this.cursor.drag(-1, 0) })
    this.acels.set('Move', 'Move North(Leap)', 'CmdOrCtrl+ArrowUp', () => { this.cursor.move(0, this.grid.h) })
    this.acels.set('Move', 'Move East(Leap)', 'CmdOrCtrl+ArrowRight', () => { this.cursor.move(this.grid.w, 0) })
    this.acels.set('Move', 'Move South(Leap)', 'CmdOrCtrl+ArrowDown', () => { this.cursor.move(0, -this.grid.h) })
    this.acels.set('Move', 'Move West(Leap)', 'CmdOrCtrl+ArrowLeft', () => { this.cursor.move(-this.grid.w, 0) })
    this.acels.set('Move', 'Scale North(Leap)', 'CmdOrCtrl+Shift+ArrowUp', () => { this.cursor.scale(0, this.grid.h) })
    this.acels.set('Move', 'Scale East(Leap)', 'CmdOrCtrl+Shift+ArrowRight', () => { this.cursor.scale(this.grid.w, 0) })
    this.acels.set('Move', 'Scale South(Leap)', 'CmdOrCtrl+Shift+ArrowDown', () => { this.cursor.scale(0, -this.grid.h) })
    this.acels.set('Move', 'Scale West(Leap)', 'CmdOrCtrl+Shift+ArrowLeft', () => { this.cursor.scale(-this.grid.w, 0) })
    this.acels.set('Move', 'Drag North(Leap)', 'CmdOrCtrl+Alt+ArrowUp', () => { this.cursor.drag(0, this.grid.h) })
    this.acels.set('Move', 'Drag East(Leap)', 'CmdOrCtrl+Alt+ArrowRight', () => { this.cursor.drag(this.grid.w, 0) })
    this.acels.set('Move', 'Drag South(Leap)', 'CmdOrCtrl+Alt+ArrowDown', () => { this.cursor.drag(0, -this.grid.h) })
    this.acels.set('Move', 'Drag West(Leap)', 'CmdOrCtrl+Alt+ArrowLeft', () => { this.cursor.drag(-this.grid.w, 0) })

    this.acels.set('Clock', 'Play/Pause', 'Space', () => { if (this.cursor.ins) { this.cursor.move(1, 0) } else { this.clock.togglePlay(false) } })
    this.acels.set('Clock', 'Frame By Frame', 'CmdOrCtrl+F', () => { this.clock.touch() })
    this.acels.set('Clock', 'Reset Frame', 'CmdOrCtrl+Shift+R', () => { this.clock.setFrame(0) })
    this.acels.set('Clock', 'Incr. Speed', '>', () => { this.clock.modSpeed(1) })
    this.acels.set('Clock', 'Decr. Speed', '<', () => { this.clock.modSpeed(-1) })
    this.acels.set('Clock', 'Incr. Speed(10x)', 'CmdOrCtrl+>', () => { this.clock.modSpeed(10, true) })
    this.acels.set('Clock', 'Decr. Speed(10x)', 'CmdOrCtrl+<', () => { this.clock.modSpeed(-10, true) })

    this.acels.set('View', 'Toggle Retina', 'Tab', () => { this.toggleRetina() })
    this.acels.set('View', 'Toggle Guide', 'CmdOrCtrl+G', () => { this.toggleGuide() })
    this.acels.set('View', 'Incr. Col', ']', () => { this.modGrid(1, 0) })
    this.acels.set('View', 'Decr. Col', '[', () => { this.modGrid(-1, 0) })
    this.acels.set('View', 'Incr. Row', '}', () => { this.modGrid(0, 1) })
    this.acels.set('View', 'Decr. Row', '{', () => { this.modGrid(0, -1) })
    this.acels.set('View', 'Zoom In', 'CmdOrCtrl+=', () => { this.modZoom(0.0625) })
    this.acels.set('View', 'Zoom Out', 'CmdOrCtrl+-', () => { this.modZoom(-0.0625) })
    this.acels.set('View', 'Zoom Reset', 'CmdOrCtrl+0', () => { this.modZoom(1, true) })

    this.acels.set('Midi', 'Play/Pause Midi', 'CmdOrCtrl+Space', () => { this.clock.togglePlay(true) })
    this.acels.set('Midi', 'Next Input Device', 'CmdOrCtrl+,', () => { this.clock.setFrame(0); this.io.midi.selectNextInput() })
    this.acels.set('Midi', 'Next Output Device', 'CmdOrCtrl+.', () => { this.clock.setFrame(0); this.io.midi.selectNextOutput() })
    this.acels.set('Midi', 'Refresh Devices', 'CmdOrCtrl+Shift+M', () => { this.io.midi.refresh() })

    this.acels.set('Communication', 'Choose OSC Port', 'alt+O', () => { this.commander.start('osc:') })
    this.acels.set('Communication', 'Choose UDP Port', 'alt+U', () => { this.commander.start('udp:') })

    this.acels.install(window)
    this.acels.pipe(this.commander)
  }

  this.start = () => {
    console.info('Client', 'Starting..')
    console.info(`${this.acels}`)
    this.theme.start()
    this.io.start()
    this.history.bind(this.orca, 's')
    this.history.record(this.orca.s)
    this.clock.start()
    this.cursor.start()

    this.reset()
    this.modZoom()
    this.update()
    this.el.className = 'ready'

    this.toggleGuide()
  }

  this.reset = () => {
    this.orca.reset()
    this.resize()
    this.source.new()
    this.history.reset()
    this.cursor.reset()
    this.clock.play()
  }

  this.run = () => {
    this.io.clear()
    this.clock.run()
    this.orca.run()
    this.io.run()
    this.update()
  }

  this.update = () => {
    if (document.hidden === true) { return }
    this.clear()
    this.ports = this.findPorts()
    this.drawProgram()
    this.drawInterface()
    this.drawGuide()
  }

  this.whenOpen = (file, text) => {
    const lines = text.trim().split(/\r?\n/)
    const w = lines[0].length
    const h = lines.length
    const s = lines.join('\n').trim()

    this.orca.load(w, h, s)
    this.history.reset()
    this.history.record(this.orca.s)
    this.resize()
  }

  this.setGrid = (w, h) => {
    this.grid.w = w
    this.grid.h = h
    this.update()
  }

  this.toggleRetina = () => {
    this.scale = this.scale === 1 ? window.devicePixelRatio : 1
    console.log('Client', `Pixel resolution: ${this.scale}`)
    this.resize(true)
  }

  this.toggleGuide = (force = null) => {
    const display = force !== null ? force : this.guide !== true
    if (display === this.guide) { return }
    console.log('Client', `Toggle Guide: ${display}`)
    this.guide = display
    this.update()
  }

  this.modGrid = (x = 0, y = 0) => {
    const w = clamp(this.grid.w + x, 4, 16)
    const h = clamp(this.grid.h + y, 4, 16)
    this.setGrid(w, h)
  }

  this.modZoom = (mod = 0, reset = false) => {
    this.tile = {
      w: reset ? 10 : this.tile.w * (mod + 1),
      h: reset ? 15 : this.tile.h * (mod + 1),
      ws: Math.floor(this.tile.w * this.scale),
      hs: Math.floor(this.tile.h * this.scale)
    }
    localStorage.setItem('tilew', this.tile.w)
    localStorage.setItem('tileh', this.tile.h)
    this.resize(true)
  }

  //

  this.isCursor = (x, y) => {
    return x === this.cursor.x && y === this.cursor.y
  }

  this.isMarker = (x, y) => {
    return x % this.grid.w === 0 && y % this.grid.h === 0
  }

  this.isNear = (x, y) => {
    return x > (parseInt(this.cursor.x / this.grid.w) * this.grid.w) - 1 && x <= ((1 + parseInt(this.cursor.x / this.grid.w)) * this.grid.w) && y > (parseInt(this.cursor.y / this.grid.h) * this.grid.h) - 1 && y <= ((1 + parseInt(this.cursor.y / this.grid.h)) * this.grid.h)
  }

  this.isLocals = (x, y) => {
    return this.isNear(x, y) === true && (x % (this.grid.w / 4) === 0 && y % (this.grid.h / 4) === 0) === true
  }

  this.isInvisible = (x, y) => {
    return this.orca.glyphAt(x, y) === '.' && !this.isMarker(x, y) && !this.cursor.selected(x, y) && !this.isLocals(x, y) && !this.ports[this.orca.indexAt(x, y)] && !this.orca.lockAt(x, y)
  }

  this.findPorts = () => {
    const a = new Array((this.orca.w * this.orca.h) - 1)
    for (const operator of this.orca.runtime) {
      if (this.orca.lockAt(operator.x, operator.y)) { continue }
      const ports = operator.getPorts()
      for (const port of ports) {
        const index = this.orca.indexAt(port[0], port[1])
        a[index] = port
      }
    }
    return a
  }

  // Interface

  this.makeTheme = (type) => {
    // Operator
    if (type === 0) { return { bg: this.theme.active.b_med, fg: this.theme.active.f_low } }
    // Haste
    if (type === 1) { return { fg: this.theme.active.b_med } }
    // Input
    if (type === 2) { return { fg: this.theme.active.b_high } }
    // Output
    if (type === 3) { return { bg: this.theme.active.b_high, fg: this.theme.active.f_low } }
    // Selected
    if (type === 4) { return { bg: this.theme.active.b_inv, fg: this.theme.active.f_inv } }
    // Locked
    if (type === 5) { return { fg: this.theme.active.f_med } }
    // Reader
    if (type === 6) { return { fg: this.theme.active.b_inv } }
    // Invisible
    if (type === 7) { return {} }
    // Output Bang
    if (type === 8) { return { bg: this.theme.active.b_low, fg: this.theme.active.f_high } }
    // Output Reader
    if (type === 9) { return { bg: this.theme.active.b_inv, fg: this.theme.active.background } }
    // Reader+Background
    if (type === 10) { return { bg: this.theme.active.background, fg: this.theme.active.f_high } }
    // Clock(yellow fg)
    if (type === 11) { return { fg: this.theme.active.b_inv } }
    // Default
    return { fg: this.theme.active.f_low }
  }

  // Canvas

  this.clear = () => {
    this.context.clearRect(0, 0, this.el.width, this.el.height)
  }

  this.drawProgram = () => {
    const selection = this.cursor.read()
    for (let y = 0; y < this.orca.h; y++) {
      for (let x = 0; x < this.orca.w; x++) {
        // Handle blanks
        if (this.isInvisible(x, y)) { continue }
        // Make Glyph
        const g = this.orca.glyphAt(x, y)
        // Get glyph
        const glyph = g !== '.' ? g : this.isCursor(x, y) ? (this.clock.isPaused ? '~' : '@') : this.isMarker(x, y) ? '+' : g
        // Make Style
        this.drawSprite(x, y, glyph, this.makeStyle(x, y, glyph, selection))
      }
    }
  }

  this.makeStyle = (x, y, glyph, selection) => {
    if (this.cursor.selected(x, y)) { return 4 }
    const isLocked = this.orca.lockAt(x, y)
    if (selection === glyph && isLocked === false && selection !== '.') { return 6 }
    if (glyph === '*' && isLocked === false) { return 2 }
    const port = this.ports[this.orca.indexAt(x, y)]
    if (port) { return port[2] }
    if (isLocked === true) { return 5 }
    return 20
  }

  this.drawInterface = () => {
    this.write(`${this.cursor.inspect()}`, this.grid.w * 0, this.orca.h, this.grid.w - 1)
    this.write(`${this.cursor.x},${this.cursor.y}${this.cursor.ins ? '+' : ''}`, this.grid.w * 1, this.orca.h, this.grid.w, this.cursor.ins ? 1 : 2)
    this.write(`${this.cursor.w}:${this.cursor.h}`, this.grid.w * 2, this.orca.h, this.grid.w)
    this.write(`${this.orca.f}f${this.clock.isPaused ? '~' : ''}`, this.grid.w * 3, this.orca.h, this.grid.w)
    this.write(`${this.io.inspect(this.grid.w)}`, this.grid.w * 4, this.orca.h, this.grid.w - 1)
    this.write(this.orca.f < 250 ? `< ${this.io.midi.toInputString()}` : '', this.grid.w * 5, this.orca.h, this.grid.w * 4)

    if (this.commander.isActive === true) {
      this.write(`${this.commander.query}${this.orca.f % 2 === 0 ? '_' : ''}`, this.grid.w * 0, this.orca.h + 1, this.grid.w * 4)
    } else {
      this.write(this.orca.f < 25 ? `ver${this.version}` : `${Object.keys(this.source.cache).length} mods`, this.grid.w * 0, this.orca.h + 1, this.grid.w)
      this.write(`${this.orca.w}x${this.orca.h}`, this.grid.w * 1, this.orca.h + 1, this.grid.w)
      this.write(`${this.grid.w}/${this.grid.h}${this.tile.w !== 10 ? ' ' + (this.tile.w / 10).toFixed(1) : ''}`, this.grid.w * 2, this.orca.h + 1, this.grid.w)
      this.write(`${this.clock}`, this.grid.w * 3, this.orca.h + 1, this.grid.w, this.clock.isPuppet ? 3 : this.io.midi.isClock ? 11 : this.clock.isPaused ? 20 : 2)
      this.write(`${display(Object.keys(this.orca.variables).join(''), this.orca.f, this.grid.w - 1)}`, this.grid.w * 4, this.orca.h + 1, this.grid.w - 1)
      this.write(this.orca.f < 250 ? `> ${this.io.midi.toOutputString()}` : '', this.grid.w * 5, this.orca.h + 1, this.grid.w * 4)
    }
  }

  this.drawGuide = () => {
    if (this.guide !== true) { return }
    const operators = Object.keys(this.library).filter((val) => { return isNaN(val) })
    for (const id in operators) {
      const key = operators[id]
      const oper = new this.library[key]()
      const text = oper.info
      const frame = this.orca.h - 4
      const x = (Math.floor(parseInt(id) / frame) * 32) + 2
      const y = (parseInt(id) % frame) + 2
      this.write(key, x, y, 99, 3)
      this.write(text, x + 2, y, 99, 10)
    }
  }

  this.drawSprite = (x, y, g, type) => {
    const theme = this.makeTheme(type)
    if (theme.bg) {
      this.context.fillStyle = theme.bg
      this.context.fillRect(x * this.tile.ws, (y) * this.tile.hs, this.tile.ws, this.tile.hs)
    }
    if (theme.fg) {
      this.context.fillStyle = theme.fg
      this.context.fillText(g, (x + 0.5) * this.tile.ws, (y + 1) * this.tile.hs)
    }
  }

  this.write = (text, offsetX, offsetY, limit = 50, type = 2) => {
    for (let x = 0; x < text.length && x < limit; x++) {
      this.drawSprite(offsetX + x, offsetY, text.substr(x, 1), type)
    }
  }

  // Resize tools

  this.resize = () => {
    const pad = 30
    const size = { w: window.innerWidth - (pad * 2), h: window.innerHeight - ((pad * 2) + this.tile.h * 2) }
    const tiles = { w: Math.ceil(size.w / this.tile.w), h: Math.ceil(size.h / this.tile.h) }
    const bounds = this.orca.bounds()

    // Clamp at limits of orca file
    if (tiles.w < bounds.w + 1) { tiles.w = bounds.w + 1 }
    if (tiles.h < bounds.h + 1) { tiles.h = bounds.h + 1 }

    this.crop(tiles.w, tiles.h)

    // Keep cursor in bounds
    if (this.cursor.x >= tiles.w) { this.cursor.moveTo(tiles.w - 1, this.cursor.y) }
    if (this.cursor.y >= tiles.h) { this.cursor.moveTo(this.cursor.x, tiles.h - 1) }

    const w = this.tile.ws * this.orca.w
    const h = (this.tile.hs + (this.tile.hs / 5)) * this.orca.h

    if (w === this.el.width && h === this.el.height) { return }

    console.log(`Resized to: ${this.orca.w}x${this.orca.h}`)

    this.el.width = w
    this.el.height = h
    this.el.style.width = `${Math.ceil(this.tile.w * this.orca.w)}px`
    this.el.style.height = `${Math.ceil((this.tile.h + (this.tile.h / 5)) * this.orca.h)}px`

    this.context.textBaseline = 'bottom'
    this.context.textAlign = 'center'
    this.context.font = `${this.tile.hs * 0.75}px input_mono_medium`
    this.update()
  }

  this.crop = (w, h) => {
    let block = `${this.orca}`

    if (h > this.orca.h) {
      block = `${block}${`\n${'.'.repeat(this.orca.w)}`.repeat((h - this.orca.h))}`
    } else if (h < this.orca.h) {
      block = `${block}`.split(/\r?\n/).slice(0, (h - this.orca.h)).join('\n').trim()
    }

    if (w > this.orca.w) {
      block = `${block}`.split(/\r?\n/).map((val) => { return val + ('.').repeat((w - this.orca.w)) }).join('\n').trim()
    } else if (w < this.orca.w) {
      block = `${block}`.split(/\r?\n/).map((val) => { return val.substr(0, val.length + (w - this.orca.w)) }).join('\n').trim()
    }

    this.history.reset()
    this.orca.load(w, h, block, this.orca.f)
  }

  // Docs

  this.docs = () => {
    let html = ''
    const operators = Object.keys(library).filter((val) => { return isNaN(val) })
    for (const id in operators) {
      const oper = new this.library[operators[id]]()
      const ports = oper.ports.input ? Object.keys(oper.ports.input).reduce((acc, key, val) => { return acc + ' ' + key }, '') : ''
      html += `- \`${oper.glyph.toUpperCase()}\` **${oper.name}**${ports !== '' ? '(' + ports.trim() + ')' : ''}: ${oper.info}.\n`
    }
    return html
  }

  // Events

  window.addEventListener('dragover', (e) => {
    e.stopPropagation()
    e.preventDefault()
    e.dataTransfer.dropEffect = 'copy'
  })

  window.addEventListener('drop', (e) => {
    e.preventDefault()
    e.stopPropagation()
    for (const file of e.dataTransfer.files) {
      if (file.name.indexOf('.orca') < 0) { continue }
      this.toggleGuide(false)
      this.source.read(file, null, true)
      this.commander.start('inject:' + file.name.replace('.orca', ''))
    }
  })

  window.onresize = (e) => {
    this.resize()
  }

  // Helpers

  function display (str, f, max) { return str.length < max ? str : str.slice(f % str.length) + str.substr(0, f % str.length) }
  function clamp (v, min, max) { return v < min ? min : v > max ? max : v }
}