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
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - edit/004-programming-environment.mu</title>
<meta name="Generator" content="Vim/7.4">
<meta name="plugin-version" content="vim7.4_v1">
<meta name="syntax" content="none">
<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
body { font-family: monospace; color: #eeeeee; background-color: #080808; }
* { font-size: 1.05em; }
.muRecipe { color: #ff8700; }
.muData { color: #ffff00; }
.Special { color: #ff6060; }
.muScenario { color: #00af00; }
.Comment { color: #9090ff; }
.Constant { color: #00a0a0; }
.SalientComment { color: #00ffff; }
.CommentedCode { color: #6c6c6c; }
.Delimiter { color: #a04060; }
.muControl { color: #c0a020; }
-->
</style>
<script type='text/javascript'>
<!--
-->
</script>
</head>
<body>
<pre id='vimCodeElement'>
<span class="SalientComment">## putting the environment together out of editors</span>
<span class="Comment">#</span>
<span class="Comment"># Consists of one editor on the left for recipes and one on the right for the</span>
<span class="Comment"># sandbox.</span>
<span class="muRecipe">recipe!</span> main [
<span class="Constant">local-scope</span>
open-console
initial-recipe:address:array:character<span class="Special"> <- </span>restore <span class="Constant">[recipes.mu]</span>
initial-sandbox:address:array:character<span class="Special"> <- </span>new <span class="Constant">[]</span>
hide-screen <span class="Constant">0/screen</span>
env:address:programming-environment-data<span class="Special"> <- </span>new-programming-environment <span class="Constant">0/screen</span>, initial-recipe, initial-sandbox
env<span class="Special"> <- </span>restore-sandboxes env
render-all <span class="Constant">0/screen</span>, env
event-loop <span class="Constant">0/screen</span>, <span class="Constant">0/console</span>, env
<span class="Comment"># never gets here</span>
]
<span class="muData">container</span> programming-environment-data [
recipes:address:editor-data
current-sandbox:address:editor-data
sandbox-in-focus?:boolean <span class="Comment"># false => cursor in recipes; true => cursor in current-sandbox</span>
]
<span class="muRecipe">recipe</span> new-programming-environment [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
initial-recipe-contents:address:array:character<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
initial-sandbox-contents:address:array:character<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
width:number<span class="Special"> <- </span>screen-width screen
height:number<span class="Special"> <- </span>screen-height screen
<span class="Comment"># top menu</span>
result:address:programming-environment-data<span class="Special"> <- </span>new <span class="Constant">programming-environment-data:type</span>
draw-horizontal screen, <span class="Constant">0</span>, <span class="Constant">0/left</span>, width, <span class="Constant">32/space</span>, <span class="Constant">0/black</span>, <span class="Constant">238/grey</span>
button-start:number<span class="Special"> <- </span>subtract width, <span class="Constant">20</span>
button-on-screen?:boolean<span class="Special"> <- </span>greater-or-equal button-start, <span class="Constant">0</span>
assert button-on-screen?, <span class="Constant">[screen too narrow for menu]</span>
screen<span class="Special"> <- </span>move-cursor screen, <span class="Constant">0/row</span>, button-start
run-button:address:array:character<span class="Special"> <- </span>new <span class="Constant">[ run (F4) ]</span>
print-string screen, run-button, <span class="Constant">255/white</span>, <span class="Constant">161/reddish</span>
<span class="Comment"># dotted line down the middle</span>
divider:number, _<span class="Special"> <- </span>divide-with-remainder width, <span class="Constant">2</span>
draw-vertical screen, divider, <span class="Constant">1/top</span>, height, <span class="Constant">9482/vertical-dotted</span>
<span class="Comment"># recipe editor on the left</span>
recipes:address:address:editor-data<span class="Special"> <- </span>get-address *result, <span class="Constant">recipes:offset</span>
*recipes<span class="Special"> <- </span>new-editor initial-recipe-contents, screen, <span class="Constant">0/left</span>, divider/right
<span class="Comment"># sandbox editor on the right</span>
new-left:number<span class="Special"> <- </span>add divider, <span class="Constant">1</span>
current-sandbox:address:address:editor-data<span class="Special"> <- </span>get-address *result, <span class="Constant">current-sandbox:offset</span>
*current-sandbox<span class="Special"> <- </span>new-editor initial-sandbox-contents, screen, new-left, width/right
<span class="Constant"> +programming-environment-initialization</span>
<span class="muControl">reply</span> result
]
<span class="muRecipe">recipe</span> event-loop [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
console:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
env:address:programming-environment-data<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
recipes:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
current-sandbox:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
sandbox-in-focus?:address:boolean<span class="Special"> <- </span>get-address *env, <span class="Constant">sandbox-in-focus?:offset</span>
<span class="Comment"># if we fall behind we'll stop updating the screen, but then we have to</span>
<span class="Comment"># render the entire screen when we catch up.</span>
<span class="Comment"># todo: test this</span>
render-all-on-no-more-events?:boolean<span class="Special"> <- </span>copy <span class="Constant">0/false</span>
<span class="Delimiter">{</span>
<span class="Comment"># looping over each (keyboard or touch) event as it occurs</span>
<span class="Constant"> +next-event</span>
e:event, console, found?:boolean, quit?:boolean<span class="Special"> <- </span>read-event console
<span class="muControl">loop-unless</span> found?
<span class="muControl">break-if</span> quit? <span class="Comment"># only in tests</span>
trace <span class="Constant">10</span>, <span class="Constant">[app]</span>, <span class="Constant">[next-event]</span>
<span class="Constant"> <handle-event></span>
<span class="Comment"># check for global events that will trigger regardless of which editor has focus</span>
<span class="Delimiter">{</span>
k:address:number<span class="Special"> <- </span>maybe-convert e:event, <span class="Constant">keycode:variant</span>
<span class="muControl">break-unless</span> k
<span class="Constant"> <global-keypress></span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
c:address:character<span class="Special"> <- </span>maybe-convert e:event, <span class="Constant">text:variant</span>
<span class="muControl">break-unless</span> c
<span class="Constant"> <global-type></span>
<span class="Delimiter">}</span>
<span class="Comment"># 'touch' event - send to both sides, see what picks it up</span>
<span class="Delimiter">{</span>
t:address:touch-event<span class="Special"> <- </span>maybe-convert e:event, <span class="Constant">touch:variant</span>
<span class="muControl">break-unless</span> t
<span class="Comment"># ignore all but 'left-click' events for now</span>
<span class="Comment"># todo: test this</span>
touch-type:number<span class="Special"> <- </span>get *t, <span class="Constant">type:offset</span>
is-left-click?:boolean<span class="Special"> <- </span>equal touch-type, <span class="Constant">65513/mouse-left</span>
<span class="muControl">loop-unless</span> is-left-click?, <span class="Constant">+next-event:label</span>
<span class="Comment"># later exceptions for non-editor touches will go here</span>
<span class="Constant"> <global-touch></span>
<span class="Comment"># send to both editors</span>
_<span class="Special"> <- </span>move-cursor-in-editor screen, recipes, *t
*sandbox-in-focus?<span class="Special"> <- </span>move-cursor-in-editor screen, current-sandbox, *t
screen<span class="Special"> <- </span>update-cursor screen, recipes, current-sandbox, *sandbox-in-focus?
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
<span class="Comment"># 'resize' event - redraw editor</span>
<span class="Comment"># todo: test this after supporting resize in assume-console</span>
<span class="Delimiter">{</span>
r:address:resize-event<span class="Special"> <- </span>maybe-convert e:event, <span class="Constant">resize:variant</span>
<span class="muControl">break-unless</span> r
<span class="Comment"># if more events, we're still resizing; wait until we stop</span>
more-events?:boolean<span class="Special"> <- </span>has-more-events? console
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> more-events?
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">1/true</span> <span class="Comment"># no rendering now, full rendering on some future event</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> more-events?
env<span class="Special"> <- </span>resize screen, env
screen<span class="Special"> <- </span>render-all screen, env
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">0/false</span> <span class="Comment"># full render done</span>
<span class="Delimiter">}</span>
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
<span class="Comment"># if it's not global and not a touch event, send to appropriate editor</span>
<span class="Delimiter">{</span>
hide-screen screen
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> *sandbox-in-focus?
screen, recipes, render?:boolean<span class="Special"> <- </span>handle-keyboard-event screen, recipes, e:event
<span class="Comment"># refresh screen only if no more events</span>
<span class="Comment"># if there are more events to process, wait for them to clear up, then make sure you render-all afterward.</span>
more-events?:boolean<span class="Special"> <- </span>has-more-events? console
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> more-events?
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">1/true</span> <span class="Comment"># no rendering now, full rendering on some future event</span>
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> more-events?
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> render-all-on-no-more-events?
<span class="Comment"># no more events, and we have to force render</span>
screen<span class="Special"> <- </span>render-all screen, env
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">0/false</span>
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Comment"># no more events, no force render</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> render?
screen<span class="Special"> <- </span>render-recipes screen, env
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> *sandbox-in-focus?
screen, current-sandbox, render?:boolean<span class="Special"> <- </span>handle-keyboard-event screen, current-sandbox, e:event
<span class="Comment"># refresh screen only if no more events</span>
<span class="Comment"># if there are more events to process, wait for them to clear up, then make sure you render-all afterward.</span>
more-events?:boolean<span class="Special"> <- </span>has-more-events? console
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> more-events?
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">1/true</span> <span class="Comment"># no rendering now, full rendering on some future event</span>
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> more-events?
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> render-all-on-no-more-events?
<span class="Comment"># no more events, and we have to force render</span>
screen<span class="Special"> <- </span>render-all screen, env
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">0/false</span>
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Comment"># no more events, no force render</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> render?
screen<span class="Special"> <- </span>render-sandbox-side screen, env
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Constant"> +finish-event</span>
screen<span class="Special"> <- </span>update-cursor screen, recipes, current-sandbox, *sandbox-in-focus?
show-screen screen
<span class="Delimiter">}</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
]
<span class="muRecipe">recipe</span> resize [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
env:address:programming-environment-data<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
clear-screen screen <span class="Comment"># update screen dimensions</span>
width:number<span class="Special"> <- </span>screen-width screen
divider:number, _<span class="Special"> <- </span>divide-with-remainder width, <span class="Constant">2</span>
<span class="Comment"># update recipe editor</span>
recipes:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
right:address:number<span class="Special"> <- </span>get-address *recipes, <span class="Constant">right:offset</span>
*right<span class="Special"> <- </span>subtract divider, <span class="Constant">1</span>
<span class="Comment"># reset cursor (later we'll try to preserve its position)</span>
cursor-row:address:number<span class="Special"> <- </span>get-address *recipes, <span class="Constant">cursor-row:offset</span>
*cursor-row<span class="Special"> <- </span>copy <span class="Constant">1</span>
cursor-column:address:number<span class="Special"> <- </span>get-address *recipes, <span class="Constant">cursor-column:offset</span>
*cursor-column<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span class="Comment"># update sandbox editor</span>
current-sandbox:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
left:address:number<span class="Special"> <- </span>get-address *current-sandbox, <span class="Constant">left:offset</span>
right:address:number<span class="Special"> <- </span>get-address *current-sandbox, <span class="Constant">right:offset</span>
*left<span class="Special"> <- </span>add divider, <span class="Constant">1</span>
*right<span class="Special"> <- </span>subtract width, <span class="Constant">1</span>
<span class="Comment"># reset cursor (later we'll try to preserve its position)</span>
cursor-row:address:number<span class="Special"> <- </span>get-address *current-sandbox, <span class="Constant">cursor-row:offset</span>
*cursor-row<span class="Special"> <- </span>copy <span class="Constant">1</span>
cursor-column:address:number<span class="Special"> <- </span>get-address *current-sandbox, <span class="Constant">cursor-column:offset</span>
*cursor-column<span class="Special"> <- </span>copy *left
<span class="muControl">reply</span> env/same-as-ingredient:<span class="Constant">1</span>
]
<span class="muScenario">scenario</span> point-at-multiple-editors [
$close-trace <span class="Comment"># trace too long</span>
assume-screen <span class="Constant">30/width</span>, <span class="Constant">5/height</span>
<span class="Comment"># initialize both halves of screen</span>
<span class="Constant">1</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[abc]</span>
<span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[def]</span>
<span class="Constant">3</span>:address:programming-environment-data<span class="Special"> <- </span>new-programming-environment screen:address, <span class="Constant">1</span>:address:array:character, <span class="Constant">2</span>:address:array:character
<span class="Comment"># focus on both sides</span>
assume-console [
left-click <span class="Constant">1</span>, <span class="Constant">1</span>
left-click <span class="Constant">1</span>, <span class="Constant">17</span>
]
<span class="Comment"># check cursor column in each</span>
run [
event-loop screen:address, console:address, <span class="Constant">3</span>:address:programming-environment-data
<span class="Constant">4</span>:address:editor-data<span class="Special"> <- </span>get *<span class="Constant">3</span>:address:programming-environment-data, <span class="Constant">recipes:offset</span>
<span class="Constant">5</span>:number<span class="Special"> <- </span>get *<span class="Constant">4</span>:address:editor-data, <span class="Constant">cursor-column:offset</span>
<span class="Constant">6</span>:address:editor-data<span class="Special"> <- </span>get *<span class="Constant">3</span>:address:programming-environment-data, <span class="Constant">current-sandbox:offset</span>
<span class="Constant">7</span>:number<span class="Special"> <- </span>get *<span class="Constant">6</span>:address:editor-data, <span class="Constant">cursor-column:offset</span>
]
memory-should-contain [
<span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">1</span>
<span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">17</span>
]
]
<span class="muScenario">scenario</span> edit-multiple-editors [
$close-trace <span class="Comment"># trace too long</span>
assume-screen <span class="Constant">30/width</span>, <span class="Constant">5/height</span>
<span class="Comment"># initialize both halves of screen</span>
<span class="Constant">1</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[abc]</span>
<span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[def]</span>
<span class="Constant">3</span>:address:programming-environment-data<span class="Special"> <- </span>new-programming-environment screen:address, <span class="Constant">1</span>:address:array:character, <span class="Constant">2</span>:address:array:character
render-all screen, <span class="Constant">3</span>:address:programming-environment-data
<span class="Comment"># type one letter in each of them</span>
assume-console [
left-click <span class="Constant">1</span>, <span class="Constant">1</span>
type <span class="Constant">[0]</span>
left-click <span class="Constant">1</span>, <span class="Constant">17</span>
type <span class="Constant">[1]</span>
]
run [
event-loop screen:address, console:address, <span class="Constant">3</span>:address:programming-environment-data
<span class="Constant">4</span>:address:editor-data<span class="Special"> <- </span>get *<span class="Constant">3</span>:address:programming-environment-data, <span class="Constant">recipes:offset</span>
<span class="Constant">5</span>:number<span class="Special"> <- </span>get *<span class="Constant">4</span>:address:editor-data, <span class="Constant">cursor-column:offset</span>
<span class="Constant">6</span>:address:editor-data<span class="Special"> <- </span>get *<span class="Constant">3</span>:address:programming-environment-data, <span class="Constant">current-sandbox:offset</span>
<span class="Constant">7</span>:number<span class="Special"> <- </span>get *<span class="Constant">6</span>:address:editor-data, <span class="Constant">cursor-column:offset</span>
]
screen-should-contain [
<span class="Constant"> . run (F4) . # this line has a different background, but we don't test that yet</span>
<span class="Constant"> .a0bc ┊d1ef .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
memory-should-contain [
<span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">2</span> <span class="Comment"># cursor column of recipe editor</span>
<span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">18</span> <span class="Comment"># cursor column of sandbox editor</span>
]
<span class="Comment"># show the cursor at the right window</span>
run [
print-character screen:address, <span class="Constant">9251/␣/cursor</span>
]
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .a0bc ┊d1␣f .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
]
<span class="muScenario">scenario</span> multiple-editors-cover-only-their-own-areas [
$close-trace <span class="Comment"># trace too long</span>
assume-screen <span class="Constant">60/width</span>, <span class="Constant">10/height</span>
run [
<span class="Constant">1</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[abc]</span>
<span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[def]</span>
<span class="Constant">3</span>:address:programming-environment-data<span class="Special"> <- </span>new-programming-environment screen:address, <span class="Constant">1</span>:address:array:character, <span class="Constant">2</span>:address:array:character
render-all screen, <span class="Constant">3</span>:address:programming-environment-data
]
<span class="Comment"># divider isn't messed up</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .abc ┊def .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
<span class="Constant"> . ┊ .</span>
]
]
<span class="muScenario">scenario</span> editor-in-focus-keeps-cursor [
$close-trace <span class="Comment"># trace too long</span>
assume-screen <span class="Constant">30/width</span>, <span class="Constant">5/height</span>
<span class="Constant">1</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[abc]</span>
<span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[def]</span>
<span class="Constant">3</span>:address:programming-environment-data<span class="Special"> <- </span>new-programming-environment screen:address, <span class="Constant">1</span>:address:array:character, <span class="Constant">2</span>:address:array:character
render-all screen, <span class="Constant">3</span>:address:programming-environment-data
<span class="Comment"># initialize programming environment and highlight cursor</span>
assume-console <span class="Constant">[]</span>
run [
event-loop screen:address, console:address, <span class="Constant">3</span>:address:programming-environment-data
print-character screen:address, <span class="Constant">9251/␣/cursor</span>
]
<span class="Comment"># is cursor at the right place?</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .␣bc ┊def .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
<span class="Comment"># now try typing a letter</span>
assume-console [
type <span class="Constant">[z]</span>
]
run [
event-loop screen:address, console:address, <span class="Constant">3</span>:address:programming-environment-data
print-character screen:address, <span class="Constant">9251/␣/cursor</span>
]
<span class="Comment"># cursor should still be right</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .z␣bc ┊def .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
]
<span class="muScenario">scenario</span> backspace-in-sandbox-editor-joins-lines [
$close-trace <span class="Comment"># trace too long</span>
assume-screen <span class="Constant">30/width</span>, <span class="Constant">5/height</span>
<span class="Comment"># initialize sandbox side with two lines</span>
<span class="Constant">1</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[]</span>
<span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[abc</span>
<span class="Constant">def]</span>
<span class="Constant">3</span>:address:programming-environment-data<span class="Special"> <- </span>new-programming-environment screen:address, <span class="Constant">1</span>:address:array:character, <span class="Constant">2</span>:address:array:character
render-all screen, <span class="Constant">3</span>:address:programming-environment-data
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> . ┊abc .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊def .</span>
<span class="Constant"> . ┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
<span class="Comment"># position cursor at start of second line and hit backspace</span>
assume-console [
left-click <span class="Constant">2</span>, <span class="Constant">16</span>
press backspace
]
run [
event-loop screen:address, console:address, <span class="Constant">3</span>:address:programming-environment-data
print-character screen:address, <span class="Constant">9251/␣/cursor</span>
]
<span class="Comment"># cursor moves to end of old line</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> . ┊abc␣ef .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
]
<span class="muRecipe">recipe</span> render-all [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
env:address:programming-environment-data<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
trace <span class="Constant">10</span>, <span class="Constant">[app]</span>, <span class="Constant">[render all]</span>
hide-screen screen
<span class="Comment"># top menu</span>
trace <span class="Constant">11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render top menu]</span>
width:number<span class="Special"> <- </span>screen-width screen
draw-horizontal screen, <span class="Constant">0</span>, <span class="Constant">0/left</span>, width, <span class="Constant">32/space</span>, <span class="Constant">0/black</span>, <span class="Constant">238/grey</span>
button-start:number<span class="Special"> <- </span>subtract width, <span class="Constant">20</span>
button-on-screen?:boolean<span class="Special"> <- </span>greater-or-equal button-start, <span class="Constant">0</span>
assert button-on-screen?, <span class="Constant">[screen too narrow for menu]</span>
screen<span class="Special"> <- </span>move-cursor screen, <span class="Constant">0/row</span>, button-start
run-button:address:array:character<span class="Special"> <- </span>new <span class="Constant">[ run (F4) ]</span>
print-string screen, run-button, <span class="Constant">255/white</span>, <span class="Constant">161/reddish</span>
<span class="Comment"># dotted line down the middle</span>
trace <span class="Constant">11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render divider]</span>
divider:number, _<span class="Special"> <- </span>divide-with-remainder width, <span class="Constant">2</span>
height:number<span class="Special"> <- </span>screen-height screen
draw-vertical screen, divider, <span class="Constant">1/top</span>, height, <span class="Constant">9482/vertical-dotted</span>
<span class="Comment">#</span>
screen<span class="Special"> <- </span>render-recipes screen, env
screen<span class="Special"> <- </span>render-sandbox-side screen, env
<span class="Constant"> <render-components-end></span>
<span class="Comment">#</span>
recipes:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
current-sandbox:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
sandbox-in-focus?:boolean<span class="Special"> <- </span>get *env, <span class="Constant">sandbox-in-focus?:offset</span>
screen<span class="Special"> <- </span>update-cursor screen, recipes, current-sandbox, sandbox-in-focus?
<span class="Comment">#</span>
show-screen screen
<span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span>
]
<span class="muRecipe">recipe</span> render-recipes [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
env:address:programming-environment-data<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
trace <span class="Constant">11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render recipes]</span>
recipes:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
<span class="Comment"># render recipes</span>
left:number<span class="Special"> <- </span>get *recipes, <span class="Constant">left:offset</span>
right:number<span class="Special"> <- </span>get *recipes, <span class="Constant">right:offset</span>
row:number, column:number, screen<span class="Special"> <- </span>render screen, recipes
clear-line-delimited screen, column, right
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
<span class="Constant"> <render-recipe-components-end></span>
<span class="Comment"># draw dotted line after recipes</span>
draw-horizontal screen, row, left, right, <span class="Constant">9480/horizontal-dotted</span>
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
clear-screen-from screen, row, left, left, right
<span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span>
]
<span class="Comment"># replaced in a later layer</span>
<span class="muRecipe">recipe</span> render-sandbox-side [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
env:address:programming-environment-data<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
current-sandbox:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
left:number<span class="Special"> <- </span>get *current-sandbox, <span class="Constant">left:offset</span>
right:number<span class="Special"> <- </span>get *current-sandbox, <span class="Constant">right:offset</span>
row:number, column:number, screen, current-sandbox<span class="Special"> <- </span>render screen, current-sandbox
clear-line-delimited screen, column, right
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
<span class="Comment"># draw solid line after recipes (you'll see why in later layers)</span>
draw-horizontal screen, row, left, right, <span class="Constant">9473/horizontal</span>
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
clear-screen-from screen, row, left, left, right
<span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span>
]
<span class="muRecipe">recipe</span> update-cursor [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
recipes:address:editor-data<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
current-sandbox:address:editor-data<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
sandbox-in-focus?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> sandbox-in-focus?
cursor-row:number<span class="Special"> <- </span>get *recipes, <span class="Constant">cursor-row:offset</span>
cursor-column:number<span class="Special"> <- </span>get *recipes, <span class="Constant">cursor-column:offset</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> sandbox-in-focus?
cursor-row:number<span class="Special"> <- </span>get *current-sandbox, <span class="Constant">cursor-row:offset</span>
cursor-column:number<span class="Special"> <- </span>get *current-sandbox, <span class="Constant">cursor-column:offset</span>
<span class="Delimiter">}</span>
screen<span class="Special"> <- </span>move-cursor screen, cursor-row, cursor-column
<span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span>
]
<span class="Comment"># row, screen <- render-string screen:address, s:address:array:character, left:number, right:number, color:number, row:number</span>
<span class="Comment"># print a string 's' to 'editor' in 'color' starting at 'row'</span>
<span class="Comment"># clear rest of last line, move cursor to next line</span>
<span class="muRecipe">recipe</span> render-string [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
s:address:array:character<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
left:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
right:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
color:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
row:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
<span class="muControl">reply-unless</span> s, row/same-as-ingredient:<span class="Constant">5</span>, screen/same-as-ingredient:<span class="Constant">0</span>
column:number<span class="Special"> <- </span>copy left
screen<span class="Special"> <- </span>move-cursor screen, row, column
screen-height:number<span class="Special"> <- </span>screen-height screen
i:number<span class="Special"> <- </span>copy <span class="Constant">0</span>
len:number<span class="Special"> <- </span>length *s
<span class="Delimiter">{</span>
<span class="Constant"> +next-character</span>
done?:boolean<span class="Special"> <- </span>greater-or-equal i, len
<span class="muControl">break-if</span> done?
done?<span class="Special"> <- </span>greater-or-equal row, screen-height
<span class="muControl">break-if</span> done?
c:character<span class="Special"> <- </span>index *s, i
<span class="Delimiter">{</span>
<span class="Comment"># at right? wrap.</span>
at-right?:boolean<span class="Special"> <- </span>equal column, right
<span class="muControl">break-unless</span> at-right?
<span class="Comment"># print wrap icon</span>
print-character screen, <span class="Constant">8617/loop-back-to-left</span>, <span class="Constant">245/grey</span>
column<span class="Special"> <- </span>copy left
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
screen<span class="Special"> <- </span>move-cursor screen, row, column
<span class="muControl">loop</span> <span class="Constant">+next-character:label</span> <span class="Comment"># retry i</span>
<span class="Delimiter">}</span>
i<span class="Special"> <- </span>add i, <span class="Constant">1</span>
<span class="Delimiter">{</span>
<span class="Comment"># newline? move to left rather than 0</span>
newline?:boolean<span class="Special"> <- </span>equal c, <span class="Constant">10/newline</span>
<span class="muControl">break-unless</span> newline?
<span class="Comment"># clear rest of line in this window</span>
<span class="Delimiter">{</span>
done?:boolean<span class="Special"> <- </span>greater-than column, right
<span class="muControl">break-if</span> done?
print-character screen, <span class="Constant">32/space</span>
column<span class="Special"> <- </span>add column, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
column<span class="Special"> <- </span>copy left
screen<span class="Special"> <- </span>move-cursor screen, row, column
<span class="muControl">loop</span> <span class="Constant">+next-character:label</span>
<span class="Delimiter">}</span>
print-character screen, c, color
column<span class="Special"> <- </span>add column, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
was-at-left?:boolean<span class="Special"> <- </span>equal column, left
clear-line-delimited screen, column, right
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> was-at-left?
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
<span class="Delimiter">}</span>
move-cursor row, left
<span class="muControl">reply</span> row/same-as-ingredient:<span class="Constant">5</span>, screen/same-as-ingredient:<span class="Constant">0</span>
]
<span class="Comment"># row, screen <- render-code-string screen:address, s:address:array:character, left:number, right:number, row:number</span>
<span class="Comment"># like 'render-string' but with colorization for comments like in the editor</span>
<span class="muRecipe">recipe</span> render-code-string [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
s:address:array:character<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
left:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
right:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
row:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
<span class="muControl">reply-unless</span> s, row/same-as-ingredient:<span class="Constant">4</span>, screen/same-as-ingredient:<span class="Constant">0</span>
color:number<span class="Special"> <- </span>copy <span class="Constant">7/white</span>
column:number<span class="Special"> <- </span>copy left
screen<span class="Special"> <- </span>move-cursor screen, row, column
screen-height:number<span class="Special"> <- </span>screen-height screen
i:number<span class="Special"> <- </span>copy <span class="Constant">0</span>
len:number<span class="Special"> <- </span>length *s
<span class="Delimiter">{</span>
<span class="Constant"> +next-character</span>
done?:boolean<span class="Special"> <- </span>greater-or-equal i, len
<span class="muControl">break-if</span> done?
done?<span class="Special"> <- </span>greater-or-equal row, screen-height
<span class="muControl">break-if</span> done?
c:character<span class="Special"> <- </span>index *s, i
<span class="Constant"><character-c-received></span> <span class="Comment"># only line different from render-string</span>
<span class="Delimiter">{</span>
<span class="Comment"># at right? wrap.</span>
at-right?:boolean<span class="Special"> <- </span>equal column, right
<span class="muControl">break-unless</span> at-right?
<span class="Comment"># print wrap icon</span>
print-character screen, <span class="Constant">8617/loop-back-to-left</span>, <span class="Constant">245/grey</span>
column<span class="Special"> <- </span>copy left
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
screen<span class="Special"> <- </span>move-cursor screen, row, column
<span class="muControl">loop</span> <span class="Constant">+next-character:label</span> <span class="Comment"># retry i</span>
<span class="Delimiter">}</span>
i<span class="Special"> <- </span>add i, <span class="Constant">1</span>
<span class="Delimiter">{</span>
<span class="Comment"># newline? move to left rather than 0</span>
newline?:boolean<span class="Special"> <- </span>equal c, <span class="Constant">10/newline</span>
<span class="muControl">break-unless</span> newline?
<span class="Comment"># clear rest of line in this window</span>
<span class="Delimiter">{</span>
done?:boolean<span class="Special"> <- </span>greater-than column, right
<span class="muControl">break-if</span> done?
print-character screen, <span class="Constant">32/space</span>
column<span class="Special"> <- </span>add column, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
column<span class="Special"> <- </span>copy left
screen<span class="Special"> <- </span>move-cursor screen, row, column
<span class="muControl">loop</span> <span class="Constant">+next-character:label</span>
<span class="Delimiter">}</span>
print-character screen, c, color
column<span class="Special"> <- </span>add column, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
was-at-left?:boolean<span class="Special"> <- </span>equal column, left
clear-line-delimited screen, column, right
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> was-at-left?
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
<span class="Delimiter">}</span>
move-cursor row, left
<span class="muControl">reply</span> row/same-as-ingredient:<span class="Constant">4</span>, screen/same-as-ingredient:<span class="Constant">0</span>
]
<span class="Comment"># ctrl-l - redraw screen (just in case it printed junk somehow)</span>
<span class="muRecipe">after</span> <span class="Constant"><global-type></span> [
<span class="Delimiter">{</span>
redraw-screen?:boolean<span class="Special"> <- </span>equal *c, <span class="Constant">12/ctrl-l</span>
<span class="muControl">break-unless</span> redraw-screen?
screen<span class="Special"> <- </span>render-all screen, env:address:programming-environment-data
sync-screen screen
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
]
<span class="Comment"># ctrl-n - switch focus</span>
<span class="Comment"># todo: test this</span>
<span class="muRecipe">after</span> <span class="Constant"><global-type></span> [
<span class="Delimiter">{</span>
switch-side?:boolean<span class="Special"> <- </span>equal *c, <span class="Constant">14/ctrl-n</span>
<span class="muControl">break-unless</span> switch-side?
*sandbox-in-focus?<span class="Special"> <- </span>not *sandbox-in-focus?
screen<span class="Special"> <- </span>update-cursor screen, recipes, current-sandbox, *sandbox-in-focus?
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
]
<span class="Comment"># ctrl-x - maximize/unmaximize the side with focus</span>
<span class="muScenario">scenario</span> maximize-side [
$close-trace <span class="Comment"># trace too long</span>
assume-screen <span class="Constant">30/width</span>, <span class="Constant">5/height</span>
<span class="Comment"># initialize both halves of screen</span>
<span class="Constant">1</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[abc]</span>
<span class="Constant">2</span>:address:array:character<span class="Special"> <- </span>new <span class="Constant">[def]</span>
<span class="Constant">3</span>:address:programming-environment-data<span class="Special"> <- </span>new-programming-environment screen:address, <span class="Constant">1</span>:address:array:character, <span class="Constant">2</span>:address:array:character
screen<span class="Special"> <- </span>render-all screen, <span class="Constant">3</span>:address:programming-environment-data
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .abc ┊def .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
<span class="Comment"># hit ctrl-x</span>
assume-console [
press ctrl-x
]
run [
event-loop screen:address, console:address, <span class="Constant">3</span>:address:programming-environment-data
]
<span class="Comment"># only left side visible</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .abc .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈.</span>
<span class="Constant"> . .</span>
]
<span class="Comment"># hit any key to toggle back</span>
assume-console [
press ctrl-x
]
run [
event-loop screen:address, console:address, <span class="Constant">3</span>:address:programming-environment-data
]
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .abc ┊def .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
]
<span class="CommentedCode">#? # ctrl-t - browse trace</span>
<span class="CommentedCode">#? after <global-type> [</span>
<span class="CommentedCode">#? {</span>
<span class="CommentedCode">#? browse-trace?:boolean <- equal *c, 20/ctrl-t</span>
<span class="CommentedCode">#? break-unless browse-trace?</span>
<span class="CommentedCode">#? $browse-trace</span>
<span class="CommentedCode">#? screen <- render-all screen, env:address:programming-environment-data</span>
<span class="CommentedCode">#? loop +next-event:label</span>
<span class="CommentedCode">#? }</span>
<span class="CommentedCode">#? ]</span>
<span class="muData">container</span> programming-environment-data [
maximized?:boolean
]
<span class="muRecipe">after</span> <span class="Constant"><global-type></span> [
<span class="Delimiter">{</span>
maximize?:boolean<span class="Special"> <- </span>equal *c, <span class="Constant">24/ctrl-x</span>
<span class="muControl">break-unless</span> maximize?
screen, console<span class="Special"> <- </span>maximize screen, console, env:address:programming-environment-data
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
]
<span class="muRecipe">recipe</span> maximize [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
console:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
env:address:programming-environment-data<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
hide-screen screen
<span class="Comment"># maximize one of the sides</span>
maximized?:address:boolean<span class="Special"> <- </span>get-address *env, <span class="Constant">maximized?:offset</span>
*maximized?<span class="Special"> <- </span>copy <span class="Constant">1/true</span>
<span class="Comment">#</span>
sandbox-in-focus?:boolean<span class="Special"> <- </span>get *env, <span class="Constant">sandbox-in-focus?:offset</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> sandbox-in-focus?
editor:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
right:address:number<span class="Special"> <- </span>get-address *editor, <span class="Constant">right:offset</span>
*right<span class="Special"> <- </span>screen-width screen
*right<span class="Special"> <- </span>subtract *right, <span class="Constant">1</span>
screen<span class="Special"> <- </span>render-recipes screen, env
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> sandbox-in-focus?
editor:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
left:address:number<span class="Special"> <- </span>get-address *editor, <span class="Constant">left:offset</span>
*left<span class="Special"> <- </span>copy <span class="Constant">0</span>
screen<span class="Special"> <- </span>render-sandbox-side screen, env
<span class="Delimiter">}</span>
show-screen screen
<span class="muControl">reply</span> screen/same-as-ingredient:<span class="Constant">0</span>, console/same-as-ingredient:<span class="Constant">1</span>
]
<span class="Comment"># when maximized, wait for any event and simply unmaximize</span>
<span class="muRecipe">after</span> <span class="Constant"><handle-event></span> [
<span class="Delimiter">{</span>
maximized?:address:boolean<span class="Special"> <- </span>get-address *env, <span class="Constant">maximized?:offset</span>
<span class="muControl">break-unless</span> *maximized?
*maximized?<span class="Special"> <- </span>copy <span class="Constant">0/false</span>
<span class="Comment"># undo maximize</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> *sandbox-in-focus?
editor:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
right:address:number<span class="Special"> <- </span>get-address *editor, <span class="Constant">right:offset</span>
*right<span class="Special"> <- </span>screen-width screen
*right<span class="Special"> <- </span>divide *right, <span class="Constant">2</span>
*right<span class="Special"> <- </span>subtract *right, <span class="Constant">1</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> *sandbox-in-focus?
editor:address:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
left:address:number<span class="Special"> <- </span>get-address *editor, <span class="Constant">left:offset</span>
*left<span class="Special"> <- </span>screen-width screen
*left<span class="Special"> <- </span>divide *left, <span class="Constant">2</span>
*left<span class="Special"> <- </span>add *left, <span class="Constant">1</span>
<span class="Delimiter">}</span>
render-all screen, env
show-screen screen
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
]
<span class="SalientComment">## helpers</span>
<span class="muRecipe">recipe</span> draw-vertical [
<span class="Constant">local-scope</span>
screen:address<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
col:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
y:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
bottom:number<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
style:character, style-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> style-found?
style<span class="Special"> <- </span>copy <span class="Constant">9474/vertical</span>
<span class="Delimiter">}</span>
color:number, color-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
<span class="Delimiter">{</span>
<span class="Comment"># default color to white</span>
<span class="muControl">break-if</span> color-found?
color<span class="Special"> <- </span>copy <span class="Constant">245/grey</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
continue?:boolean<span class="Special"> <- </span>lesser-than y, bottom
<span class="muControl">break-unless</span> continue?
screen<span class="Special"> <- </span>move-cursor screen, y, col
print-character screen, style, color
y<span class="Special"> <- </span>add y, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
]
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|