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<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="SalientComment">## editing sandboxes after they've been created</span>
<span id="L2" class="LineNr">  2 </span>
<span id="L3" class="LineNr">  3 </span><span class="muScenario">scenario</span> clicking-on-sandbox-edit-button-moves-it-to-editor [
<span id="L4" class="LineNr">  4 </span>  <span class="Constant">local-scope</span>
<span id="L5" class="LineNr">  5 </span>  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
<span id="L6" class="LineNr">  6 </span>  assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span>
<span id="L7" class="LineNr">  7 </span>  <span class="Comment"># empty recipes</span>
<span id="L8" class="LineNr">  8 </span>  assume-resources [
<span id="L9" class="LineNr">  9 </span>  ]
<span id="L10" class="LineNr"> 10 </span>  env:&amp;:environment <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[add 2, 2]</span>
<span id="L11" class="LineNr"> 11 </span>  <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a>
<span id="L12" class="LineNr"> 12 </span>  <span class="Comment"># run it</span>
<span id="L13" class="LineNr"> 13 </span>  assume-console [
<span id="L14" class="LineNr"> 14 </span>  <span class="Conceal">¦</span> press F4
<span id="L15" class="LineNr"> 15 </span>  ]
<span id="L16" class="LineNr"> 16 </span>  <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L17" class="LineNr"> 17 </span>  screen-should-contain [
<span id="L18" class="LineNr"> 18 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L19" class="LineNr"> 19 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L20" class="LineNr"> 20 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L21" class="LineNr"> 21 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit       copy       to recipe    delete    .</span>
<span id="L22" class="LineNr"> 22 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span id="L23" class="LineNr"> 23 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎4                                                .</span>
<span id="L24" class="LineNr"> 24 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L25" class="LineNr"> 25 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L26" class="LineNr"> 26 </span>  ]
<span id="L27" class="LineNr"> 27 </span>  <span class="Comment"># click at left edge of 'edit' button</span>
<span id="L28" class="LineNr"> 28 </span>  assume-console [
<span id="L29" class="LineNr"> 29 </span>  <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 55</span>
<span id="L30" class="LineNr"> 30 </span>  ]
<span id="L31" class="LineNr"> 31 </span>  run [
<span id="L32" class="LineNr"> 32 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L33" class="LineNr"> 33 </span>  ]
<span id="L34" class="LineNr"> 34 </span>  <span class="Comment"># it pops back into editor</span>
<span id="L35" class="LineNr"> 35 </span>  screen-should-contain [
<span id="L36" class="LineNr"> 36 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L37" class="LineNr"> 37 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span id="L38" class="LineNr"> 38 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L39" class="LineNr"> 39 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L40" class="LineNr"> 40 </span>  ]
<span id="L41" class="LineNr"> 41 </span>  <span class="Comment"># cursor should be in the right place</span>
<span id="L42" class="LineNr"> 42 </span>  assume-console [
<span id="L43" class="LineNr"> 43 </span>  <span class="Conceal">¦</span> type <span class="Constant">[0]</span>
<span id="L44" class="LineNr"> 44 </span>  ]
<span id="L45" class="LineNr"> 45 </span>  run [
<span id="L46" class="LineNr"> 46 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L47" class="LineNr"> 47 </span>  ]
<span id="L48" class="LineNr"> 48 </span>  screen-should-contain [
<span id="L49" class="LineNr"> 49 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L50" class="LineNr"> 50 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0add 2, 2                                        .</span>
<span id="L51" class="LineNr"> 51 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L52" class="LineNr"> 52 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L53" class="LineNr"> 53 </span>  ]
<span id="L54" class="LineNr"> 54 </span>]
<span id="L55" class="LineNr"> 55 </span>
<span id="L56" class="LineNr"> 56 </span><span class="muScenario">scenario</span> clicking-on-sandbox-edit-button-moves-it-to-editor-2 [
<span id="L57" class="LineNr"> 57 </span>  <span class="Constant">local-scope</span>
<span id="L58" class="LineNr"> 58 </span>  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
<span id="L59" class="LineNr"> 59 </span>  assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span>
<span id="L60" class="LineNr"> 60 </span>  <span class="Comment"># empty recipes</span>
<span id="L61" class="LineNr"> 61 </span>  assume-resources [
<span id="L62" class="LineNr"> 62 </span>  ]
<span id="L63" class="LineNr"> 63 </span>  env:&amp;:environment <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[add 2, 2]</span>
<span id="L64" class="LineNr"> 64 </span>  <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a>
<span id="L65" class="LineNr"> 65 </span>  <span class="Comment"># run it</span>
<span id="L66" class="LineNr"> 66 </span>  assume-console [
<span id="L67" class="LineNr"> 67 </span>  <span class="Conceal">¦</span> press F4
<span id="L68" class="LineNr"> 68 </span>  ]
<span id="L69" class="LineNr"> 69 </span>  <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L70" class="LineNr"> 70 </span>  screen-should-contain [
<span id="L71" class="LineNr"> 71 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L72" class="LineNr"> 72 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L73" class="LineNr"> 73 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L74" class="LineNr"> 74 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit       copy       to recipe    delete    .</span>
<span id="L75" class="LineNr"> 75 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span id="L76" class="LineNr"> 76 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎4                                                .</span>
<span id="L77" class="LineNr"> 77 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L78" class="LineNr"> 78 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L79" class="LineNr"> 79 </span>  ]
<span id="L80" class="LineNr"> 80 </span>  <span class="Comment"># click at right edge of 'edit' button (just before 'copy')</span>
<span id="L81" class="LineNr"> 81 </span>  assume-console [
<span id="L82" class="LineNr"> 82 </span>  <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 65</span>
<span id="L83" class="LineNr"> 83 </span>  ]
<span id="L84" class="LineNr"> 84 </span>  run [
<span id="L85" class="LineNr"> 85 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L86" class="LineNr"> 86 </span>  ]
<span id="L87" class="LineNr"> 87 </span>  <span class="Comment"># it pops back into editor</span>
<span id="L88" class="LineNr"> 88 </span>  screen-should-contain [
<span id="L89" class="LineNr"> 89 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L90" class="LineNr"> 90 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span id="L91" class="LineNr"> 91 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L92" class="LineNr"> 92 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L93" class="LineNr"> 93 </span>  ]
<span id="L94" class="LineNr"> 94 </span>  <span class="Comment"># cursor should be in the right place</span>
<span id="L95" class="LineNr"> 95 </span>  assume-console [
<span id="L96" class="LineNr"> 96 </span>  <span class="Conceal">¦</span> type <span class="Constant">[0]</span>
<span id="L97" class="LineNr"> 97 </span>  ]
<span id="L98" class="LineNr"> 98 </span>  run [
<span id="L99" class="LineNr"> 99 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L100" class="LineNr">100 </span>  ]
<span id="L101" class="LineNr">101 </span>  screen-should-contain [
<span id="L102" class="LineNr">102 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L103" class="LineNr">103 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0add 2, 2                                        .</span>
<span id="L104" class="LineNr">104 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L105" class="LineNr">105 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L106" class="LineNr">106 </span>  ]
<span id="L107" class="LineNr">107 </span>]
<span id="L108" class="LineNr">108 </span>
<span id="L109" class="LineNr">109 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L81'>&lt;global-touch&gt;</a></span> [
<span id="L110" class="LineNr">110 </span>  <span class="Comment"># support 'edit' button</span>
<span id="L111" class="LineNr">111 </span>  <span class="Delimiter">{</span>
<span id="L112" class="LineNr">112 </span>  <span class="Conceal">¦</span> edit?:bool <span class="Special">&lt;-</span> <a href='008-sandbox-edit.mu.html#L123'>should-attempt-edit?</a> click-row, click-column, env
<span id="L113" class="LineNr">113 </span>  <span class="Conceal">¦</span> <span class="muControl">break-unless</span> edit?
<span id="L114" class="LineNr">114 </span>  <span class="Conceal">¦</span> edit?, env <span class="Special">&lt;-</span> <a href='008-sandbox-edit.mu.html#L142'>try-edit-sandbox</a> click-row, env
<span id="L115" class="LineNr">115 </span>  <span class="Conceal">¦</span> <span class="muControl">break-unless</span> edit?
<span id="L116" class="LineNr">116 </span>  <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special">&lt;-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a>
<span id="L117" class="LineNr">117 </span>  <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L472'>update-cursor</a> <a href='../081print.mu.html#L16'>screen</a>, recipes, current-sandbox, sandbox-in-focus?, env
<span id="L118" class="LineNr">118 </span>  <span class="Conceal">¦</span> <span class="muControl">loop</span> <span class="Constant">+next-event</span>
<span id="L119" class="LineNr">119 </span>  <span class="Delimiter">}</span>
<span id="L120" class="LineNr">120 </span>]
<span id="L121" class="LineNr">121 </span>
<span id="L122" class="LineNr">122 </span><span class="Comment"># some preconditions for attempting to edit a sandbox</span>
<span id="L123" class="LineNr">123 </span><span class="muRecipe">def</span> <a href='008-sandbox-edit.mu.html#L123'>should-attempt-edit?</a> click-row:num, click-column:num, env:&amp;:environment<span class="muRecipe"> -&gt; </span>result:bool [
<span id="L124" class="LineNr">124 </span>  <span class="Constant">local-scope</span>
<span id="L125" class="LineNr">125 </span>  <span class="Constant">load-ingredients</span>
<span id="L126" class="LineNr">126 </span>  <span class="Comment"># are we below the sandbox editor?</span>
<span id="L127" class="LineNr">127 </span>  click-sandbox-area?:bool <span class="Special">&lt;-</span> <a href='006-sandbox-copy.mu.html#L190'>click-on-sandbox-area?</a> click-row, click-column, env
<span id="L128" class="LineNr">128 </span>  <span class="muControl">return-unless</span> click-sandbox-area?, <span class="Constant">0/false</span>
<span id="L129" class="LineNr">129 </span>  <span class="Comment"># narrower, is the click in the columns spanning the 'edit' button?</span>
<span id="L130" class="LineNr">130 </span>  first-sandbox:&amp;:editor <span class="Special">&lt;-</span> get *env, <span class="Constant">current-sandbox:offset</span>
<span id="L131" class="LineNr">131 </span>  assert first-sandbox, <span class="Constant">[!!]</span>
<span id="L132" class="LineNr">132 </span>  sandbox-left-margin:num <span class="Special">&lt;-</span> get *first-sandbox, <span class="Constant">left:offset</span>
<span id="L133" class="LineNr">133 </span>  sandbox-right-margin:num <span class="Special">&lt;-</span> get *first-sandbox, <span class="Constant">right:offset</span>
<span id="L134" class="LineNr">134 </span>  edit-button-left:num, edit-button-right:num, _ <span class="Special">&lt;-</span> <a href='005-sandbox.mu.html#L381'>sandbox-menu-columns</a> sandbox-left-margin, sandbox-right-margin
<span id="L135" class="LineNr">135 </span>  edit-button-vertical-area?:bool <span class="Special">&lt;-</span> <a href='006-sandbox-copy.mu.html#L211'>within-range?</a> click-column, edit-button-left, edit-button-right
<span id="L136" class="LineNr">136 </span>  <span class="muControl">return-unless</span> edit-button-vertical-area?, <span class="Constant">0/false</span>
<span id="L137" class="LineNr">137 </span>  <span class="Comment"># finally, is sandbox editor empty?</span>
<span id="L138" class="LineNr">138 </span>  current-sandbox:&amp;:editor <span class="Special">&lt;-</span> get *env, <span class="Constant">current-sandbox:offset</span>
<span id="L139" class="LineNr">139 </span>  result <span class="Special">&lt;-</span> <a href='006-sandbox-copy.mu.html#L203'>empty-editor?</a> current-sandbox
<span id="L140" class="LineNr">140 </span>]
<span id="L141" class="LineNr">141 </span>
<span id="L142" class="LineNr">142 </span><span class="muRecipe">def</span> <a href='008-sandbox-edit.mu.html#L142'>try-edit-sandbox</a> click-row:num, env:&amp;:environment<span class="muRecipe"> -&gt; </span>clicked-on-edit-button?:bool, env:&amp;:environment [
<span id="L143" class="LineNr">143 </span>  <span class="Constant">local-scope</span>
<span id="L144" class="LineNr">144 </span>  <span class="Constant">load-ingredients</span>
<span id="L145" class="LineNr">145 </span>  <span class="Comment"># identify the sandbox to edit, if the click was actually on the 'edit' button</span>
<span id="L146" class="LineNr">146 </span>  sandbox:&amp;:sandbox <span class="Special">&lt;-</span> <a href='006-sandbox-copy.mu.html#L175'>find-sandbox</a> env, click-row
<span id="L147" class="LineNr">147 </span>  <span class="muControl">return-unless</span> sandbox, <span class="Constant">0/false</span>
<span id="L148" class="LineNr">148 </span>  clicked-on-edit-button? <span class="Special">&lt;-</span> copy <span class="Constant">1/true</span>
<span id="L149" class="LineNr">149 </span>  <span class="Comment"># 'edit' button = 'copy' button + 'delete' button</span>
<span id="L150" class="LineNr">150 </span>  text:text <span class="Special">&lt;-</span> get *sandbox, <span class="Constant">data:offset</span>
<span id="L151" class="LineNr">151 </span>  current-sandbox:&amp;:editor <span class="Special">&lt;-</span> get *env, <span class="Constant">current-sandbox:offset</span>
<span id="L152" class="LineNr">152 </span>  current-sandbox <span class="Special">&lt;-</span> <a href='001-editor.mu.html#L72'>insert-text</a> current-sandbox, text
<span id="L153" class="LineNr">153 </span>  env <span class="Special">&lt;-</span> <a href='007-sandbox-delete.mu.html#L108'>delete-sandbox</a> env, sandbox
<span id="L154" class="LineNr">154 </span>  <span class="Comment"># reset scroll</span>
<span id="L155" class="LineNr">155 </span>  *env <span class="Special">&lt;-</span> put *env, <span class="Constant">render-from:offset</span>,<span class="Constant"> -1</span>
<span id="L156" class="LineNr">156 </span>  <span class="Comment"># position cursor in sandbox editor</span>
<span id="L157" class="LineNr">157 </span>  *env <span class="Special">&lt;-</span> put *env, <span class="Constant">sandbox-in-focus?:offset</span>, <span class="Constant">1/true</span>
<span id="L158" class="LineNr">158 </span>]
<span id="L159" class="LineNr">159 </span>
<span id="L160" class="LineNr">160 </span><span class="muScenario">scenario</span> sandbox-with-print-can-be-edited [
<span id="L161" class="LineNr">161 </span>  <span class="Constant">local-scope</span>
<span id="L162" class="LineNr">162 </span>  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
<span id="L163" class="LineNr">163 </span>  assume-screen <span class="Constant">100/width</span>, <span class="Constant">20/height</span>
<span id="L164" class="LineNr">164 </span>  <span class="Comment"># left editor is empty</span>
<span id="L165" class="LineNr">165 </span>  assume-resources [
<span id="L166" class="LineNr">166 </span>  ]
<span id="L167" class="LineNr">167 </span>  <span class="Comment"># right editor contains a print instruction</span>
<span id="L168" class="LineNr">168 </span>  env:&amp;:environment <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[print <a href='../081print.mu.html#L16'>screen</a>, 4]</span>
<span id="L169" class="LineNr">169 </span>  <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a>
<span id="L170" class="LineNr">170 </span>  <span class="Comment"># run the sandbox</span>
<span id="L171" class="LineNr">171 </span>  assume-console [
<span id="L172" class="LineNr">172 </span>  <span class="Conceal">¦</span> press F4
<span id="L173" class="LineNr">173 </span>  ]
<span id="L174" class="LineNr">174 </span>  <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L175" class="LineNr">175 </span>  screen-should-contain [
<span id="L176" class="LineNr">176 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L177" class="LineNr">177 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L178" class="LineNr">178 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L179" class="LineNr">179 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit       copy       to recipe    delete    .</span>
<span id="L180" class="LineNr">180 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎print <a href='../081print.mu.html#L16'>screen</a>, 4                                  .</span>
<span id="L181" class="LineNr">181 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎screen:                                          .</span>
<span id="L182" class="LineNr">182 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎  .4                             .               .</span>
<span id="L183" class="LineNr">183 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎  .                              .               .</span>
<span id="L184" class="LineNr">184 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎  .                              .               .</span>
<span id="L185" class="LineNr">185 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎  .                              .               .</span>
<span id="L186" class="LineNr">186 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎  .                              .               .</span>
<span id="L187" class="LineNr">187 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L188" class="LineNr">188 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L189" class="LineNr">189 </span>  ]
<span id="L190" class="LineNr">190 </span>  <span class="Comment"># edit the sandbox</span>
<span id="L191" class="LineNr">191 </span>  assume-console [
<span id="L192" class="LineNr">192 </span>  <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 65</span>
<span id="L193" class="LineNr">193 </span>  ]
<span id="L194" class="LineNr">194 </span>  run [
<span id="L195" class="LineNr">195 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L196" class="LineNr">196 </span>  ]
<span id="L197" class="LineNr">197 </span>  screen-should-contain [
<span id="L198" class="LineNr">198 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L199" class="LineNr">199 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎print <a href='../081print.mu.html#L16'>screen</a>, 4                                  .</span>
<span id="L200" class="LineNr">200 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L201" class="LineNr">201 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L202" class="LineNr">202 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L203" class="LineNr">203 </span>  ]
<span id="L204" class="LineNr">204 </span>]
<span id="L205" class="LineNr">205 </span>
<span id="L206" class="LineNr">206 </span><span class="muScenario">scenario</span> editing-sandbox-after-scrolling-resets-scroll [
<span id="L207" class="LineNr">207 </span>  <span class="Constant">local-scope</span>
<span id="L208" class="LineNr">208 </span>  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
<span id="L209" class="LineNr">209 </span>  assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span>
<span id="L210" class="LineNr">210 </span>  <span class="Comment"># initialize environment</span>
<span id="L211" class="LineNr">211 </span>  assume-resources [
<span id="L212" class="LineNr">212 </span>  ]
<span id="L213" class="LineNr">213 </span>  env:&amp;:environment <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span>
<span id="L214" class="LineNr">214 </span>  <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a>
<span id="L215" class="LineNr">215 </span>  <span class="Comment"># create 2 sandboxes and scroll to second</span>
<span id="L216" class="LineNr">216 </span>  assume-console [
<span id="L217" class="LineNr">217 </span>  <span class="Conceal">¦</span> press ctrl-n
<span id="L218" class="LineNr">218 </span>  <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span>
<span id="L219" class="LineNr">219 </span>  <span class="Conceal">¦</span> press F4
<span id="L220" class="LineNr">220 </span>  <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span>
<span id="L221" class="LineNr">221 </span>  <span class="Conceal">¦</span> press F4
<span id="L222" class="LineNr">222 </span>  <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a>
<span id="L223" class="LineNr">223 </span>  <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a>
<span id="L224" class="LineNr">224 </span>  ]
<span id="L225" class="LineNr">225 </span>  <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L226" class="LineNr">226 </span>  screen-should-contain [
<span id="L227" class="LineNr">227 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L228" class="LineNr">228 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L229" class="LineNr">229 </span>  <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1   edit       copy       to recipe    delete    .</span>
<span id="L230" class="LineNr">230 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span id="L231" class="LineNr">231 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎4                                                .</span>
<span id="L232" class="LineNr">232 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L233" class="LineNr">233 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L234" class="LineNr">234 </span>  ]
<span id="L235" class="LineNr">235 </span>  <span class="Comment"># edit the second sandbox</span>
<span id="L236" class="LineNr">236 </span>  assume-console [
<span id="L237" class="LineNr">237 </span>  <span class="Conceal">¦</span> left-click<span class="Constant"> 2</span>,<span class="Constant"> 55</span>
<span id="L238" class="LineNr">238 </span>  ]
<span id="L239" class="LineNr">239 </span>  run [
<span id="L240" class="LineNr">240 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L241" class="LineNr">241 </span>  ]
<span id="L242" class="LineNr">242 </span>  <span class="Comment"># second sandbox shows in editor; scroll resets to display first sandbox</span>
<span id="L243" class="LineNr">243 </span>  screen-should-contain [
<span id="L244" class="LineNr">244 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L245" class="LineNr">245 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span id="L246" class="LineNr">246 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L247" class="LineNr">247 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit       copy       to recipe    delete    .</span>
<span id="L248" class="LineNr">248 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
<span id="L249" class="LineNr">249 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
<span id="L250" class="LineNr">250 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L251" class="LineNr">251 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L252" class="LineNr">252 </span>  ]
<span id="L253" class="LineNr">253 </span>]
<span id="L254" class="LineNr">254 </span>
<span id="L255" class="LineNr">255 </span><span class="muScenario">scenario</span> editing-sandbox-updates-sandbox-count [
<span id="L256" class="LineNr">256 </span>  <span class="Constant">local-scope</span>
<span id="L257" class="LineNr">257 </span>  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
<span id="L258" class="LineNr">258 </span>  assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span>
<span id="L259" class="LineNr">259 </span>  <span class="Comment"># initialize environment</span>
<span id="L260" class="LineNr">260 </span>  assume-resources [
<span id="L261" class="LineNr">261 </span>  ]
<span id="L262" class="LineNr">262 </span>  env:&amp;:environment <span class="Special">&lt;-</span> <a href='004-programming-environment.mu.html#L21'>new-programming-environment</a> <a href='../088file.mu.html#L11'>resources</a>, <a href='../081print.mu.html#L16'>screen</a>, <span class="Constant">[]</span>
<span id="L263" class="LineNr">263 </span>  <a href='004-programming-environment.mu.html#L402'>render-all</a> <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a>
<span id="L264" class="LineNr">264 </span>  <span class="Comment"># create 2 sandboxes</span>
<span id="L265" class="LineNr">265 </span>  assume-console [
<span id="L266" class="LineNr">266 </span>  <span class="Conceal">¦</span> press ctrl-n
<span id="L267" class="LineNr">267 </span>  <span class="Conceal">¦</span> type <span class="Constant">[add 2, 2]</span>
<span id="L268" class="LineNr">268 </span>  <span class="Conceal">¦</span> press F4
<span id="L269" class="LineNr">269 </span>  <span class="Conceal">¦</span> type <span class="Constant">[add 1, 1]</span>
<span id="L270" class="LineNr">270 </span>  <span class="Conceal">¦</span> press F4
<span id="L271" class="LineNr">271 </span>  ]
<span id="L272" class="LineNr">272 </span>  <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L273" class="LineNr">273 </span>  screen-should-contain [
<span id="L274" class="LineNr">274 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L275" class="LineNr">275 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L276" class="LineNr">276 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L277" class="LineNr">277 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit       copy       to recipe    delete    .</span>
<span id="L278" class="LineNr">278 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
<span id="L279" class="LineNr">279 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
<span id="L280" class="LineNr">280 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L281" class="LineNr">281 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎1   edit       copy       to recipe    delete    .</span>
<span id="L282" class="LineNr">282 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span id="L283" class="LineNr">283 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎4                                                .</span>
<span id="L284" class="LineNr">284 </span>  ]
<span id="L285" class="LineNr">285 </span>  <span class="Comment"># edit the second sandbox, then resave</span>
<span id="L286" class="LineNr">286 </span>  assume-console [
<span id="L287" class="LineNr">287 </span>  <span class="Conceal">¦</span> left-click<span class="Constant"> 3</span>,<span class="Constant"> 60</span>
<span id="L288" class="LineNr">288 </span>  <span class="Conceal">¦</span> press F4
<span id="L289" class="LineNr">289 </span>  ]
<span id="L290" class="LineNr">290 </span>  run [
<span id="L291" class="LineNr">291 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L292" class="LineNr">292 </span>  ]
<span id="L293" class="LineNr">293 </span>  <span class="Comment"># no change in contents</span>
<span id="L294" class="LineNr">294 </span>  screen-should-contain [
<span id="L295" class="LineNr">295 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L296" class="LineNr">296 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L297" class="LineNr">297 </span><span class="Constant">  </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L298" class="LineNr">298 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎0   edit       copy       to recipe    delete    .</span>
<span id="L299" class="LineNr">299 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
<span id="L300" class="LineNr">300 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎2                                                .</span>
<span id="L301" class="LineNr">301 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L302" class="LineNr">302 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎1   edit       copy       to recipe    delete    .</span>
<span id="L303" class="LineNr">303 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span id="L304" class="LineNr">304 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎4                                                .</span>
<span id="L305" class="LineNr">305 </span>  ]
<span id="L306" class="LineNr">306 </span>  <span class="Comment"># now try to scroll past end</span>
<span id="L307" class="LineNr">307 </span>  assume-console [
<span id="L308" class="LineNr">308 </span>  <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a>
<span id="L309" class="LineNr">309 </span>  <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a>
<span id="L310" class="LineNr">310 </span>  <span class="Conceal">¦</span> press <a href='003-shortcuts.mu.html#L3597'>page-down</a>
<span id="L311" class="LineNr">311 </span>  ]
<span id="L312" class="LineNr">312 </span>  run [
<span id="L313" class="LineNr">313 </span>  <span class="Conceal">¦</span> <a href='004-programming-environment.mu.html#L39'>event-loop</a> <a href='../081print.mu.html#L16'>screen</a>, <a href='../084console.mu.html#L23'>console</a>, env, <a href='../088file.mu.html#L11'>resources</a>
<span id="L314" class="LineNr">314 </span>  ]
<span id="L315" class="LineNr">315 </span>  <span class="Comment"># screen should show just final sandbox with the right index (1)</span>
<span id="L316" class="LineNr">316 </span>  screen-should-contain [
<span id="L317" class="LineNr">317 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                                                 run (F4)           .</span>
<span id="L318" class="LineNr">318 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L319" class="LineNr">319 </span>  <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1   edit       copy       to recipe    delete    .</span>
<span id="L320" class="LineNr">320 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span id="L321" class="LineNr">321 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎4                                                .</span>
<span id="L322" class="LineNr">322 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
<span id="L323" class="LineNr">323 </span>  <span class="Conceal">¦</span><span class="Constant"> .                                                  ╎                                                 .</span>
<span id="L324" class="LineNr">324 </span>  ]
<span id="L325" class="LineNr">325 </span>]
</pre>
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</html>
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