4498 - mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

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author	Kartik Agaram <vc@akkartik.com>	2018-08-09 21:28:35 -0700
committer	Kartik Agaram <vc@akkartik.com>	2018-08-09 21:28:35 -0700
commit	f2889b002ab36e13ac5771cf33635ec35cfc3b34 (patch)
tree	feeff663ebfa2c24424e2d33e02acb81b3145402 /subx/001help.cc
parent	5852bb94373c7b8dddd7c4b0b5a105b2d769d4ac (diff)
download	mu-f2889b002ab36e13ac5771cf33635ec35cfc3b34.tar.gz

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<pre id='vimCodeElement'>
<span class="SalientComment">## deleting sandboxes</span>

<span class="muScenario">scenario</span> deleting-sandboxes [
  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
  assume-screen <span class="Constant">100/width</span>, <span class="Constant">15/height</span>
  <span class="Constant">1</span>:address:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
  <span class="Constant">2</span>:address:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
  <span class="Constant">3</span>:address:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:screen, <span class="Constant">1</span>:address:array:character, <span class="Constant">2</span>:address:array:character
  <span class="Comment"># run a few commands</span>
  assume-console [
    left-click <span class="Constant">1</span>, <span class="Constant">80</span>
    type <span class="Constant">[divide-with-remainder 11, 3]</span>
    press F4
    type <span class="Constant">[add 2, 2]</span>
    press F4
  ]
  event-loop screen:address:screen, console:address:console, <span class="Constant">3</span>:address:programming-environment-data
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ┊                                                 .</span>
<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
   <span class="Constant"> .                                                  ┊                                                x.</span>
   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
   <span class="Constant"> .                                                  ┊4                                                .</span>
   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
   <span class="Constant"> .                                                  ┊                                                x.</span>
   <span class="Constant"> .                                                  ┊divide-with-remainder 11, 3                      .</span>
   <span class="Constant"> .                                                  ┊3                                                .</span>
   <span class="Constant"> .                                                  ┊2                                                .</span>
   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
   <span class="Constant"> .                                                  ┊                                                 .</span>
  ]
  <span class="Comment"># delete second sandbox</span>
  assume-console [
    left-click <span class="Constant">7</span>, <span class="Constant">99</span>
  ]
  run [
    event-loop screen:address:screen, console:address:console, <span class="Constant">3</span>:address:programming-environment-data
  ]
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ┊                                                 .</span>
<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
   <span class="Constant"> .                                                  ┊                                                x.</span>
   <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
   <span class="Constant"> .                                                  ┊4                                                .</span>
   <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
   <span class="Constant"> .                                                  ┊                                                 .</span>
   <span class="Constant"> .                                                  ┊                                                 .</span>
  ]
  <span class="Comment"># delete first sandbox</span>
  assume-console [
    left-click <span class="Constant">3</span>, <span class="Constant">99</span>
  ]
  run [
    event-loop screen:address:screen, console:address:console, <span class="Constant">3</span>:address:programming-environment-data
  ]
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ┊                                                 .</span>
<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
   <span class="Constant"> .                                                  ┊                                                 .</span>
   <span class="Constant"> .                                                  ┊                                                 .</span>
  ]
]

<span class="muRecipe">after</span> <span class="Constant">&lt;global-touch&gt;</span> [
  <span class="Comment"># on a sandbox delete icon? process delete</span>
  <span class="Delimiter">{</span>
    was-delete?:boolean<span class="Special"> &lt;- </span>delete-sandbox *t, env
    <span class="muControl">break-unless</span> was-delete?
    hide-screen screen
    screen<span class="Special"> &lt;- </span>render-sandbox-side screen, env
    screen<span class="Special"> &lt;- </span>update-cursor screen, recipes, current-sandbox, *sandbox-in-focus?
    show-screen screen
    <span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
  <span class="Delimiter">}</span>
]

<span class="muRecipe">recipe</span> delete-sandbox t:touch-event, env:address:programming-environment-data<span class="muRecipe"> -&gt; </span>was-delete?:boolean [
  <span class="Constant">local-scope</span>
  <span class="Constant">load-ingredients</span>
  click-column:number<span class="Special"> &lt;- </span>get t, <span class="Constant">column:offset</span>
  current-sandbox:address:editor-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">current-sandbox:offset</span>
  right:number<span class="Special"> &lt;- </span>get *current-sandbox, <span class="Constant">right:offset</span>
  at-right?:boolean<span class="Special"> &lt;- </span>equal click-column, right
  <span class="muControl">reply-unless</span> at-right?, <span class="Constant">0/false</span>
  click-row:number<span class="Special"> &lt;- </span>get t, <span class="Constant">row:offset</span>
  prev:address:address:sandbox-data<span class="Special"> &lt;- </span>get-address *env, <span class="Constant">sandbox:offset</span>
  curr:address:sandbox-data<span class="Special"> &lt;- </span>get *env, <span class="Constant">sandbox:offset</span>
  <span class="Delimiter">{</span>
    <span class="muControl">break-unless</span> curr
    <span class="Comment"># more sandboxes to check</span>
    <span class="Delimiter">{</span>
      target-row:number<span class="Special"> &lt;- </span>get *curr, <span class="Constant">starting-row-on-screen:offset</span>
      delete-curr?:boolean<span class="Special"> &lt;- </span>equal target-row, click-row
      <span class="muControl">break-unless</span> delete-curr?
      <span class="Comment"># delete this sandbox, rerender and stop</span>
      *prev<span class="Special"> &lt;- </span>get *curr, <span class="Constant">next-sandbox:offset</span>
      <span class="muControl">reply</span> <span class="Constant">1/true</span>
    <span class="Delimiter">}</span>
    prev<span class="Special"> &lt;- </span>get-address *curr, <span class="Constant">next-sandbox:offset</span>
    curr<span class="Special"> &lt;- </span>get *curr, <span class="Constant">next-sandbox:offset</span>
    <span class="muControl">loop</span>
  <span class="Delimiter">}</span>
  <span class="muControl">reply</span> <span class="Constant">0/false</span>
]
</pre>
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