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<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="SalientComment">## clicking on the code typed into a sandbox toggles its trace</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span><span class="muScenario">scenario</span> sandbox-click-on-code-toggles-app-trace [
<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"># basic recipe</span>
<span id="L8" class="LineNr"> 8 </span> assume-resources [
<span id="L9" class="LineNr"> 9 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [
<span id="L10" class="LineNr"> 10 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span>
<span id="L11" class="LineNr"> 11 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | stash [abc]</span>|
<span id="L12" class="LineNr"> 12 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]|</span>
<span id="L13" class="LineNr"> 13 </span> <span class="Conceal">¦</span> ]
<span id="L14" class="LineNr"> 14 </span> ]
<span id="L15" class="LineNr"> 15 </span> env:&:environment <span class="Special"><-</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">[foo]</span>
<span id="L16" class="LineNr"> 16 </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="L17" class="LineNr"> 17 </span> <span class="Comment"># run it</span>
<span id="L18" class="LineNr"> 18 </span> assume-console [
<span id="L19" class="LineNr"> 19 </span> <span class="Conceal">¦</span> press F4
<span id="L20" class="LineNr"> 20 </span> ]
<span id="L21" class="LineNr"> 21 </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="L22" class="LineNr"> 22 </span> screen-should-contain [
<span id="L23" class="LineNr"> 23 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span>
<span id="L24" class="LineNr"> 24 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span>
<span id="L25" class="LineNr"> 25 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span>
<span id="L26" class="LineNr"> 26 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎0 edit copy to recipe delete .</span>
<span id="L27" class="LineNr"> 27 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎foo .</span>
<span id="L28" class="LineNr"> 28 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L29" class="LineNr"> 29 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span>
<span id="L30" class="LineNr"> 30 </span> ]
<span id="L31" class="LineNr"> 31 </span> <span class="Comment"># click on the code in the sandbox</span>
<span id="L32" class="LineNr"> 32 </span> assume-console [
<span id="L33" class="LineNr"> 33 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 51</span>
<span id="L34" class="LineNr"> 34 </span> ]
<span id="L35" class="LineNr"> 35 </span> run [
<span id="L36" class="LineNr"> 36 </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="L37" class="LineNr"> 37 </span> <span class="Conceal">¦</span> cursor:char <span class="Special"><-</span> copy <span class="Constant">9251/␣</span>
<span id="L38" class="LineNr"> 38 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor
<span id="L39" class="LineNr"> 39 </span> ]
<span id="L40" class="LineNr"> 40 </span> <span class="Comment"># trace now printed and cursor shouldn't have budged</span>
<span id="L41" class="LineNr"> 41 </span> screen-should-contain [
<span id="L42" class="LineNr"> 42 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span>
<span id="L43" class="LineNr"> 43 </span> <span class="Conceal">¦</span><span class="Constant"> .␣ecipe foo [ ╎ .</span>
<span id="L44" class="LineNr"> 44 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span>
<span id="L45" class="LineNr"> 45 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎0 edit copy to recipe delete .</span>
<span id="L46" class="LineNr"> 46 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎foo .</span>
<span id="L47" class="LineNr"> 47 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎abc .</span>
<span id="L48" class="LineNr"> 48 </span> ]
<span id="L49" class="LineNr"> 49 </span> screen-should-contain-in-color <span class="Constant">245/grey</span>, [
<span id="L50" class="LineNr"> 50 </span> <span class="Conceal">¦</span><span class="Constant"> . .</span>
<span id="L51" class="LineNr"> 51 </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 class="Conceal">¦</span><span class="Constant"> . ╎ .</span>
<span id="L54" class="LineNr"> 54 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span>
<span id="L55" class="LineNr"> 55 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎abc .</span>
<span id="L56" class="LineNr"> 56 </span> ]
<span id="L57" class="LineNr"> 57 </span> <span class="Comment"># click again on the same region</span>
<span id="L58" class="LineNr"> 58 </span> assume-console [
<span id="L59" class="LineNr"> 59 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 55</span>
<span id="L60" class="LineNr"> 60 </span> ]
<span id="L61" class="LineNr"> 61 </span> run [
<span id="L62" class="LineNr"> 62 </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="L63" class="LineNr"> 63 </span> <span class="Conceal">¦</span> print <a href='../081print.mu.html#L16'>screen</a>, cursor
<span id="L64" class="LineNr"> 64 </span> ]
<span id="L65" class="LineNr"> 65 </span> <span class="Comment"># trace hidden again</span>
<span id="L66" class="LineNr"> 66 </span> screen-should-contain [
<span id="L67" class="LineNr"> 67 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span>
<span id="L68" class="LineNr"> 68 </span> <span class="Conceal">¦</span><span class="Constant"> .␣ecipe foo [ ╎ .</span>
<span id="L69" class="LineNr"> 69 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span>
<span id="L70" class="LineNr"> 70 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎0 edit copy to recipe delete .</span>
<span id="L71" class="LineNr"> 71 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎foo .</span>
<span id="L72" class="LineNr"> 72 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L73" class="LineNr"> 73 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span>
<span id="L74" class="LineNr"> 74 </span> ]
<span id="L75" class="LineNr"> 75 </span>]
<span id="L76" class="LineNr"> 76 </span>
<span id="L77" class="LineNr"> 77 </span><span class="muScenario">scenario</span> sandbox-shows-app-trace-and-result [
<span id="L78" class="LineNr"> 78 </span> <span class="Constant">local-scope</span>
<span id="L79" class="LineNr"> 79 </span> trace-until <span class="Constant">100/app</span> <span class="Comment"># trace too long</span>
<span id="L80" class="LineNr"> 80 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span>
<span id="L81" class="LineNr"> 81 </span> <span class="Comment"># basic recipe</span>
<span id="L82" class="LineNr"> 82 </span> assume-resources [
<span id="L83" class="LineNr"> 83 </span> <span class="Conceal">¦</span> <span class="Constant">[lesson/recipes.mu]</span> <span class="Special"><-</span> [
<span id="L84" class="LineNr"> 84 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|recipe</span> foo <span class="Constant">[|</span>
<span id="L85" class="LineNr"> 85 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> | stash [abc]</span>|
<span id="L86" class="LineNr"> 86 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">|</span> <span class="muControl">reply</span> 4|
<span id="L87" class="LineNr"> 87 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> |]|</span>
<span id="L88" class="LineNr"> 88 </span> <span class="Conceal">¦</span> ]
<span id="L89" class="LineNr"> 89 </span> ]
<span id="L90" class="LineNr"> 90 </span> env:&:environment <span class="Special"><-</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">[foo]</span>
<span id="L91" class="LineNr"> 91 </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="L92" class="LineNr"> 92 </span> <span class="Comment"># run it</span>
<span id="L93" class="LineNr"> 93 </span> assume-console [
<span id="L94" class="LineNr"> 94 </span> <span class="Conceal">¦</span> press F4
<span id="L95" class="LineNr"> 95 </span> ]
<span id="L96" class="LineNr"> 96 </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="L97" class="LineNr"> 97 </span> screen-should-contain [
<span id="L98" class="LineNr"> 98 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span>
<span id="L99" class="LineNr"> 99 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span>
<span id="L100" class="LineNr">100 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span>
<span id="L101" class="LineNr">101 </span> <span class="Conceal">¦</span><span class="Constant"> . reply 4 ╎0 edit copy to recipe delete .</span>
<span id="L102" class="LineNr">102 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎foo .</span>
<span id="L103" class="LineNr">103 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</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 class="Comment"># click on the code in the sandbox</span>
<span id="L108" class="LineNr">108 </span> assume-console [
<span id="L109" class="LineNr">109 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 51</span>
<span id="L110" class="LineNr">110 </span> ]
<span id="L111" class="LineNr">111 </span> run [
<span id="L112" class="LineNr">112 </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="L113" class="LineNr">113 </span> ]
<span id="L114" class="LineNr">114 </span> <span class="Comment"># trace now printed above result</span>
<span id="L115" class="LineNr">115 </span> screen-should-contain [
<span id="L116" class="LineNr">116 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span>
<span id="L117" class="LineNr">117 </span> <span class="Conceal">¦</span><span class="Constant"> .recipe foo [ ╎ .</span>
<span id="L118" class="LineNr">118 </span> <span class="Conceal">¦</span><span class="Constant"> . stash [abc] ╎─────────────────────────────────────────────────.</span>
<span id="L119" class="LineNr">119 </span> <span class="Conceal">¦</span><span class="Constant"> . reply 4 ╎0 edit copy to recipe delete .</span>
<span id="L120" class="LineNr">120 </span> <span class="Conceal">¦</span><span class="Constant"> .] ╎foo .</span>
<span id="L121" class="LineNr">121 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎abc .</span>
<span id="L122" class="LineNr">122 </span> <span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎8 instructions run .</span>
<span id="L123" class="LineNr">123 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎4 .</span>
<span id="L124" class="LineNr">124 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎─────────────────────────────────────────────────.</span>
<span id="L125" class="LineNr">125 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span>
<span id="L126" class="LineNr">126 </span> ]
<span id="L127" class="LineNr">127 </span>]
<span id="L128" class="LineNr">128 </span>
<span id="L129" class="LineNr">129 </span><span class="muScenario">scenario</span> clicking-on-app-trace-does-nothing [
<span id="L130" class="LineNr">130 </span> <span class="Constant">local-scope</span>
<span id="L131" class="LineNr">131 </span> trace-until <span class="Constant">100/app</span> <span class="Comment"># trace too long</span>
<span id="L132" class="LineNr">132 </span> assume-screen <span class="Constant">100/width</span>, <span class="Constant">10/height</span>
<span id="L133" class="LineNr">133 </span> assume-resources [
<span id="L134" class="LineNr">134 </span> ]
<span id="L135" class="LineNr">135 </span> env:&:environment <span class="Special"><-</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">[stash 123456789]</span>
<span id="L136" class="LineNr">136 </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="L137" class="LineNr">137 </span> <span class="Comment"># create and expand the trace</span>
<span id="L138" class="LineNr">138 </span> assume-console [
<span id="L139" class="LineNr">139 </span> <span class="Conceal">¦</span> press F4
<span id="L140" class="LineNr">140 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 4</span>,<span class="Constant"> 51</span>
<span id="L141" class="LineNr">141 </span> ]
<span id="L142" class="LineNr">142 </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="L143" class="LineNr">143 </span> screen-should-contain [
<span id="L144" class="LineNr">144 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span>
<span id="L145" class="LineNr">145 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span>
<span id="L146" class="LineNr">146 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L147" class="LineNr">147 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span>
<span id="L148" class="LineNr">148 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎stash 123456789 .</span>
<span id="L149" class="LineNr">149 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎123456789 .</span>
<span id="L150" class="LineNr">150 </span> ]
<span id="L151" class="LineNr">151 </span> <span class="Comment"># click on the stash under the edit-button region (or any of the other buttons, really)</span>
<span id="L152" class="LineNr">152 </span> assume-console [
<span id="L153" class="LineNr">153 </span> <span class="Conceal">¦</span> left-click<span class="Constant"> 5</span>,<span class="Constant"> 57</span>
<span id="L154" class="LineNr">154 </span> ]
<span id="L155" class="LineNr">155 </span> run [
<span id="L156" class="LineNr">156 </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="L157" class="LineNr">157 </span> ]
<span id="L158" class="LineNr">158 </span> <span class="Comment"># no change; doesn't die</span>
<span id="L159" class="LineNr">159 </span> screen-should-contain [
<span id="L160" class="LineNr">160 </span> <span class="Conceal">¦</span><span class="Constant"> . run (F4) .</span>
<span id="L161" class="LineNr">161 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎ .</span>
<span id="L162" class="LineNr">162 </span><span class="Constant"> </span><span class="Conceal">¦</span><span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
<span id="L163" class="LineNr">163 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎0 edit copy to recipe delete .</span>
<span id="L164" class="LineNr">164 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎stash 123456789 .</span>
<span id="L165" class="LineNr">165 </span> <span class="Conceal">¦</span><span class="Constant"> . ╎123456789 .</span>
<span id="L166" class="LineNr">166 </span> ]
<span id="L167" class="LineNr">167 </span>]
<span id="L168" class="LineNr">168 </span>
<span id="L169" class="LineNr">169 </span><span class="muData">container</span> sandbox [
<span id="L170" class="LineNr">170 </span> trace:text
<span id="L171" class="LineNr">171 </span> display-trace?:bool
<span id="L172" class="LineNr">172 </span>]
<span id="L173" class="LineNr">173 </span>
<span id="L174" class="LineNr">174 </span><span class="Comment"># replaced in a later layer</span>
<span id="L175" class="LineNr">175 </span><span class="muRecipe">def!</span> update-sandbox sandbox:&:sandbox, env:&:environment, idx:num<span class="muRecipe"> -> </span>sandbox:&:sandbox, env:&:environment [
<span id="L176" class="LineNr">176 </span> <span class="Constant">local-scope</span>
<span id="L177" class="LineNr">177 </span> <span class="Constant">load-inputs</span>
<span id="L178" class="LineNr">178 </span> data:text <span class="Special"><-</span> get *sandbox, <span class="Constant">data:offset</span>
<span id="L179" class="LineNr">179 </span> response:text, _, fake-screen:&:<a href='../081print.mu.html#L16'>screen</a>, trace:text <span class="Special"><-</span> run-sandboxed data
<span id="L180" class="LineNr">180 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">response:offset</span>, response
<span id="L181" class="LineNr">181 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant"><a href='../081print.mu.html#L16'>screen</a>:offset</span>, fake-screen
<span id="L182" class="LineNr">182 </span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">trace:offset</span>, trace
<span id="L183" class="LineNr">183 </span>]
<span id="L184" class="LineNr">184 </span>
<span id="L185" class="LineNr">185 </span><span class="Comment"># clicks on sandbox code toggle its display-trace? flag</span>
<span id="L186" class="LineNr">186 </span><span class="muRecipe">after</span> <span class="Constant"><a href='004-programming-environment.mu.html#L81'><global-touch></a></span> [
<span id="L187" class="LineNr">187 </span> <span class="Comment"># check if it's inside the code of any sandbox</span>
<span id="L188" class="LineNr">188 </span> <span class="Delimiter">{</span>
<span id="L189" class="LineNr">189 </span> <span class="Conceal">¦</span> sandbox-left-margin:num <span class="Special"><-</span> get *current-sandbox, <span class="Constant">left:offset</span>
<span id="L190" class="LineNr">190 </span> <span class="Conceal">¦</span> click-column:num <span class="Special"><-</span> get t, <span class="Constant">column:offset</span>
<span id="L191" class="LineNr">191 </span> <span class="Conceal">¦</span> on-sandbox-side?:bool <span class="Special"><-</span> greater-or-equal click-column, sandbox-left-margin
<span id="L192" class="LineNr">192 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> on-sandbox-side?
<span id="L193" class="LineNr">193 </span> <span class="Conceal">¦</span> first-sandbox:&:sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span>
<span id="L194" class="LineNr">194 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> first-sandbox
<span id="L195" class="LineNr">195 </span> <span class="Conceal">¦</span> first-sandbox-begins:num <span class="Special"><-</span> get *first-sandbox, <span class="Constant">starting-row-on-screen:offset</span>
<span id="L196" class="LineNr">196 </span> <span class="Conceal">¦</span> click-row:num <span class="Special"><-</span> get t, <span class="Constant">row:offset</span>
<span id="L197" class="LineNr">197 </span> <span class="Conceal">¦</span> below-sandbox-editor?:bool <span class="Special"><-</span> greater-or-equal click-row, first-sandbox-begins
<span id="L198" class="LineNr">198 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> below-sandbox-editor?
<span id="L199" class="LineNr">199 </span> <span class="Conceal">¦</span> <span class="Comment"># identify the sandbox whose code is being clicked on</span>
<span id="L200" class="LineNr">200 </span> <span class="Conceal">¦</span> sandbox:&:sandbox <span class="Special"><-</span> <a href='010-sandbox-trace.mu.html#L212'>find-click-in-sandbox-code</a> env, click-row
<span id="L201" class="LineNr">201 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox
<span id="L202" class="LineNr">202 </span> <span class="Conceal">¦</span> <span class="Comment"># toggle its display-trace? property</span>
<span id="L203" class="LineNr">203 </span> <span class="Conceal">¦</span> x:bool <span class="Special"><-</span> get *sandbox, <span class="Constant">display-trace?:offset</span>
<span id="L204" class="LineNr">204 </span> <span class="Conceal">¦</span> x <span class="Special"><-</span> not x
<span id="L205" class="LineNr">205 </span> <span class="Conceal">¦</span> *sandbox <span class="Special"><-</span> put *sandbox, <span class="Constant">display-trace?:offset</span>, x
<span id="L206" class="LineNr">206 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> render-sandbox-side <a href='../081print.mu.html#L16'>screen</a>, env, <a href='001-editor.mu.html#L107'>render</a>
<span id="L207" class="LineNr">207 </span> <span class="Conceal">¦</span> <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</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="L208" class="LineNr">208 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span> <span class="Constant">+next-event</span>
<span id="L209" class="LineNr">209 </span> <span class="Delimiter">}</span>
<span id="L210" class="LineNr">210 </span>]
<span id="L211" class="LineNr">211 </span>
<span id="L212" class="LineNr">212 </span><span class="muRecipe">def</span> <a href='010-sandbox-trace.mu.html#L212'>find-click-in-sandbox-code</a> env:&:environment, click-row:num<span class="muRecipe"> -> </span>sandbox:&:sandbox [
<span id="L213" class="LineNr">213 </span> <span class="Constant">local-scope</span>
<span id="L214" class="LineNr">214 </span> <span class="Constant">load-inputs</span>
<span id="L215" class="LineNr">215 </span> <span class="Comment"># assert click-row >= sandbox.starting-row-on-screen</span>
<span id="L216" class="LineNr">216 </span> sandbox <span class="Special"><-</span> get *env, <span class="Constant">sandbox:offset</span>
<span id="L217" class="LineNr">217 </span> start:num <span class="Special"><-</span> get *sandbox, <span class="Constant">starting-row-on-screen:offset</span>
<span id="L218" class="LineNr">218 </span> clicked-on-sandboxes?:bool <span class="Special"><-</span> greater-or-equal click-row, start
<span id="L219" class="LineNr">219 </span> assert clicked-on-sandboxes?, <span class="Constant">[extract-sandbox called on click to sandbox editor]</span>
<span id="L220" class="LineNr">220 </span> <span class="Comment"># while click-row < sandbox.next-sandbox.starting-row-on-screen</span>
<span id="L221" class="LineNr">221 </span> <span class="Delimiter">{</span>
<span id="L222" class="LineNr">222 </span> <span class="Conceal">¦</span> next-sandbox:&:sandbox <span class="Special"><-</span> get *sandbox, <span class="Constant">next-sandbox:offset</span>
<span id="L223" class="LineNr">223 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> next-sandbox
<span id="L224" class="LineNr">224 </span> <span class="Conceal">¦</span> next-start:num <span class="Special"><-</span> get *next-sandbox, <span class="Constant">starting-row-on-screen:offset</span>
<span id="L225" class="LineNr">225 </span> <span class="Conceal">¦</span> found?:bool <span class="Special"><-</span> lesser-than click-row, next-start
<span id="L226" class="LineNr">226 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> found?
<span id="L227" class="LineNr">227 </span> <span class="Conceal">¦</span> sandbox <span class="Special"><-</span> copy next-sandbox
<span id="L228" class="LineNr">228 </span> <span class="Conceal">¦</span> <span class="muControl">loop</span>
<span id="L229" class="LineNr">229 </span> <span class="Delimiter">}</span>
<span id="L230" class="LineNr">230 </span> <span class="Comment"># return sandbox if click is in its code region</span>
<span id="L231" class="LineNr">231 </span> code-ending-row:num <span class="Special"><-</span> get *sandbox, <span class="Constant">code-ending-row-on-screen:offset</span>
<span id="L232" class="LineNr">232 </span> click-above-response?:bool <span class="Special"><-</span> lesser-than click-row, code-ending-row
<span id="L233" class="LineNr">233 </span> start:num <span class="Special"><-</span> get *sandbox, <span class="Constant">starting-row-on-screen:offset</span>
<span id="L234" class="LineNr">234 </span> click-below-menu?:bool <span class="Special"><-</span> greater-than click-row, start
<span id="L235" class="LineNr">235 </span> click-on-sandbox-code?:bool <span class="Special"><-</span> and click-above-response?, click-below-menu?
<span id="L236" class="LineNr">236 </span> <span class="Delimiter">{</span>
<span id="L237" class="LineNr">237 </span> <span class="Conceal">¦</span> <span class="muControl">break-if</span> click-on-sandbox-code?
<span id="L238" class="LineNr">238 </span> <span class="Conceal">¦</span> <span class="muControl">return</span> <span class="Constant">0/no-click-in-sandbox-output</span>
<span id="L239" class="LineNr">239 </span> <span class="Delimiter">}</span>
<span id="L240" class="LineNr">240 </span> <span class="muControl">return</span> sandbox
<span id="L241" class="LineNr">241 </span>]
<span id="L242" class="LineNr">242 </span>
<span id="L243" class="LineNr">243 </span><span class="Comment"># when rendering a sandbox, dump its trace before response/warning if display-trace? property is set</span>
<span id="L244" class="LineNr">244 </span><span class="muRecipe">after</span> <span class="Constant"><a href='005-sandbox.mu.html#L302'><render-sandbox-results></a></span> [
<span id="L245" class="LineNr">245 </span> <span class="Delimiter">{</span>
<span id="L246" class="LineNr">246 </span> <span class="Conceal">¦</span> display-trace?:bool <span class="Special"><-</span> get *sandbox, <span class="Constant">display-trace?:offset</span>
<span id="L247" class="LineNr">247 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> display-trace?
<span id="L248" class="LineNr">248 </span> <span class="Conceal">¦</span> sandbox-trace:text <span class="Special"><-</span> get *sandbox, <span class="Constant">trace:offset</span>
<span id="L249" class="LineNr">249 </span> <span class="Conceal">¦</span> <span class="muControl">break-unless</span> sandbox-trace <span class="Comment"># nothing to print; move on</span>
<span id="L250" class="LineNr">250 </span> <span class="Conceal">¦</span> row, <a href='../081print.mu.html#L16'>screen</a> <span class="Special"><-</span> <a href='005-sandbox.mu.html#L398'>render-text</a> <a href='../081print.mu.html#L16'>screen</a>, sandbox-trace, left, right, <span class="Constant">245/grey</span>, row
<span id="L251" class="LineNr">251 </span> <span class="Delimiter">}</span>
<span id="L252" class="LineNr">252 </span><span class="Constant"> <a href='010-sandbox-trace.mu.html#L252'><render-sandbox-trace-done></a></span>
<span id="L253" class="LineNr">253 </span>]
</pre>
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