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<pre id='vimCodeElement'>
<span class="SalientComment">## editing sandboxes after they've been created</span>

<span class="muScenario">scenario</span> clicking-on-a-sandbox-moves-it-to-editor [
  <span class="Constant">local-scope</span>
  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">10/height</span>
  <span class="Comment"># basic recipe</span>
  recipes:text <span class="Special">&lt;-</span> new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant">  reply 4</span>
<span class="Constant">]</span>]
  env:&amp;:environment <span class="Special">&lt;-</span> new-programming-environment screen, recipes, <span class="Constant">[foo]</span>
  <span class="Comment"># run it</span>
  assume-console [
    press F4
  ]
  event-loop screen, console, env
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
   <span class="Constant"> .recipe foo [                                      ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .  reply 4                                         ╎0   edit          copy            delete         .</span>
   <span class="Constant"> .]                                                 ╎foo                                              .</span>
   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎4                                                .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
  <span class="Comment"># click at left edge of 'edit' button</span>
  assume-console [
    left-click<span class="Constant"> 3</span>,<span class="Constant"> 55</span>
  ]
  run [
    event-loop screen, console, env
  ]
  <span class="Comment"># it pops back into editor</span>
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎foo                                              .</span>
   <span class="Constant"> .recipe foo [                                      ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .  reply 4                                         ╎                                                 .</span>
   <span class="Constant"> .]                                                 ╎                                                 .</span>
   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎                                                 .</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
  <span class="Comment"># cursor should be in the right place</span>
  assume-console [
    type <span class="Constant">[0]</span>
  ]
  run [
    event-loop screen, console, env
  ]
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎0foo                                             .</span>
   <span class="Constant"> .recipe foo [                                      ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .  reply 4                                         ╎                                                 .</span>
   <span class="Constant"> .]                                                 ╎                                                 .</span>
   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎                                                 .</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> clicking-on-a-sandbox-moves-it-to-editor-2 [
  <span class="Constant">local-scope</span>
  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">10/height</span>
  <span class="Comment"># basic recipe</span>
  recipes:text <span class="Special">&lt;-</span> new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant">  reply 4</span>
<span class="Constant">]</span>]
  env:&amp;:environment <span class="Special">&lt;-</span> new-programming-environment screen, recipes, <span class="Constant">[foo]</span>
  <span class="Comment"># run it</span>
  assume-console [
    press F4
  ]
  event-loop screen, console, env
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
   <span class="Constant"> .recipe foo [                                      ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .  reply 4                                         ╎0   edit          copy            delete         .</span>
   <span class="Constant"> .]                                                 ╎foo                                              .</span>
   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎4                                                .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
  <span class="Comment"># click at right edge of 'edit' button (just before 'copy')</span>
  assume-console [
    left-click<span class="Constant"> 3</span>,<span class="Constant"> 68</span>
  ]
  run [
    event-loop screen, console, env
  ]
  <span class="Comment"># it pops back into editor</span>
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎foo                                              .</span>
   <span class="Constant"> .recipe foo [                                      ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .  reply 4                                         ╎                                                 .</span>
   <span class="Constant"> .]                                                 ╎                                                 .</span>
   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎                                                 .</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
  <span class="Comment"># cursor should be in the right place</span>
  assume-console [
    type <span class="Constant">[0]</span>
  ]
  run [
    event-loop screen, console, env
  ]
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎0foo                                             .</span>
   <span class="Constant"> .recipe foo [                                      ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .  reply 4                                         ╎                                                 .</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"># support 'edit' button</span>
  <span class="Delimiter">{</span>
    edit?:bool <span class="Special">&lt;-</span> should-attempt-edit? click-row, click-column, env
    <span class="muControl">break-unless</span> edit?
    edit?, env <span class="Special">&lt;-</span> try-edit-sandbox click-row, env
    <span class="muControl">break-unless</span> edit?
    hide-screen screen
    screen <span class="Special">&lt;-</span> render-sandbox-side screen, env, render
    screen <span class="Special">&lt;-</span> update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env
    show-screen screen
    <span class="muControl">loop</span> <span class="Constant">+next-event</span>
  <span class="Delimiter">}</span>
]

<span class="Comment"># some preconditions for attempting to edit a sandbox</span>
<span class="muRecipe">def</span> should-attempt-edit? click-row:num, click-column:num, env:&amp;:environment<span class="muRecipe"> -&gt; </span>result:bool [
  <span class="Constant">local-scope</span>
  <span class="Constant">load-ingredients</span>
  <span class="Comment"># are we below the sandbox editor?</span>
  click-sandbox-area?:bool <span class="Special">&lt;-</span> click-on-sandbox-area? click-row, click-column, env
  <span class="muControl">return-unless</span> click-sandbox-area?, <span class="Constant">0/false</span>
  <span class="Comment"># narrower, is the click in the columns spanning the 'edit' button?</span>
  first-sandbox:&amp;:editor <span class="Special">&lt;-</span> get *env, <span class="Constant">current-sandbox:offset</span>
  assert first-sandbox, <span class="Constant">[!!]</span>
  sandbox-left-margin:num <span class="Special">&lt;-</span> get *first-sandbox, <span class="Constant">left:offset</span>
  sandbox-right-margin:num <span class="Special">&lt;-</span> get *first-sandbox, <span class="Constant">right:offset</span>
  edit-button-left:num, edit-button-right:num, _ <span class="Special">&lt;-</span> sandbox-menu-columns sandbox-left-margin, sandbox-right-margin
  edit-button-vertical-area?:bool <span class="Special">&lt;-</span> within-range? click-column, edit-button-left, edit-button-right
  <span class="muControl">return-unless</span> edit-button-vertical-area?, <span class="Constant">0/false</span>
  <span class="Comment"># finally, is sandbox editor empty?</span>
  current-sandbox:&amp;:editor <span class="Special">&lt;-</span> get *env, <span class="Constant">current-sandbox:offset</span>
  result <span class="Special">&lt;-</span> empty-editor? current-sandbox
]

<span class="muRecipe">def</span> try-edit-sandbox click-row:num, env:&amp;:environment<span class="muRecipe"> -&gt; </span>clicked-on-edit-button?:bool, env:&amp;:environment [
  <span class="Constant">local-scope</span>
  <span class="Constant">load-ingredients</span>
  <span class="Comment"># identify the sandbox to edit, if the click was actually on the 'edit' button</span>
  sandbox:&amp;:sandbox <span class="Special">&lt;-</span> find-sandbox env, click-row
  <span class="muControl">return-unless</span> sandbox, <span class="Constant">0/false</span>
  clicked-on-edit-button? <span class="Special">&lt;-</span> copy <span class="Constant">1/true</span>
  <span class="Comment"># 'edit' button = 'copy' button + 'delete' button</span>
  text:text <span class="Special">&lt;-</span> get *sandbox, <span class="Constant">data:offset</span>
  current-sandbox:&amp;:editor <span class="Special">&lt;-</span> get *env, <span class="Constant">current-sandbox:offset</span>
  current-sandbox <span class="Special">&lt;-</span> insert-text current-sandbox, text
  env <span class="Special">&lt;-</span> delete-sandbox env, sandbox
  <span class="Comment"># reset scroll</span>
  *env <span class="Special">&lt;-</span> put *env, <span class="Constant">render-from:offset</span>,<span class="Constant"> -1</span>
  <span class="Comment"># position cursor in sandbox editor</span>
  *env <span class="Special">&lt;-</span> put *env, <span class="Constant">sandbox-in-focus?:offset</span>, <span class="Constant">1/true</span>
]

<span class="muScenario">scenario</span> sandbox-with-print-can-be-edited [
  <span class="Constant">local-scope</span>
  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">20/height</span>
  <span class="Comment"># left editor is empty</span>
  <span class="Comment"># right editor contains an instruction</span>
  env:&amp;:environment <span class="Special">&lt;-</span> new-programming-environment screen, <span class="Constant">[]</span>, <span class="Constant">[print-integer screen, 4]</span>
  <span class="Comment"># run the sandbox</span>
  assume-console [
    press F4
  ]
  event-loop screen, console, env
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
   <span class="Constant"> .                                                  ╎print-integer screen, 4                          .</span>
   <span class="Constant"> .                                                  ╎screen:                                          .</span>
   <span class="Constant"> .                                                  ╎  .4                             .               .</span>
   <span class="Constant"> .                                                  ╎  .                              .               .</span>
   <span class="Constant"> .                                                  ╎  .                              .               .</span>
   <span class="Constant"> .                                                  ╎  .                              .               .</span>
   <span class="Constant"> .                                                  ╎  .                              .               .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
  <span class="Comment"># edit the sandbox</span>
  assume-console [
    left-click<span class="Constant"> 3</span>,<span class="Constant"> 65</span>
  ]
  run [
    event-loop screen, console, env
  ]
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎print-integer screen, 4                          .</span>
<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> editing-sandbox-after-scrolling-resets-scroll [
  <span class="Constant">local-scope</span>
  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">10/height</span>
  <span class="Comment"># initialize environment</span>
  env:&amp;:environment <span class="Special">&lt;-</span> new-programming-environment screen, <span class="Constant">[]</span>, <span class="Constant">[]</span>
  render-all screen, env, render
  <span class="Comment"># create 2 sandboxes and scroll to second</span>
  assume-console [
    press ctrl-n
    type <span class="Constant">[add 2, 2]</span>
    press F4
    type <span class="Constant">[add 1, 1]</span>
    press F4
    press page-down
    press page-down
  ]
  event-loop screen, console, env
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1   edit          copy            delete         .</span>
   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
   <span class="Constant"> .                                                  ╎4                                                .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
  <span class="Comment"># edit the second sandbox</span>
  assume-console [
    left-click<span class="Constant"> 2</span>,<span class="Constant"> 55</span>
  ]
  run [
    event-loop screen, console, env
  ]
  <span class="Comment"># second sandbox shows in editor; scroll resets to display first sandbox</span>
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
   <span class="Constant"> .                                                  ╎2                                                .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
]

<span class="muScenario">scenario</span> editing-sandbox-updates-sandbox-count [
  <span class="Constant">local-scope</span>
  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">10/height</span>
  <span class="Comment"># initialize environment</span>
  env:&amp;:environment <span class="Special">&lt;-</span> new-programming-environment screen, <span class="Constant">[]</span>, <span class="Constant">[]</span>
  render-all screen, env, render
  <span class="Comment"># create 2 sandboxes</span>
  assume-console [
    press ctrl-n
    type <span class="Constant">[add 2, 2]</span>
    press F4
    type <span class="Constant">[add 1, 1]</span>
    press F4
  ]
  event-loop screen, console, env
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
   <span class="Constant"> .                                                  ╎2                                                .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎1   edit          copy            delete         .</span>
   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
   <span class="Constant"> .                                                  ╎4                                                .</span>
  ]
  <span class="Comment"># edit the second sandbox, then resave</span>
  assume-console [
    left-click<span class="Constant"> 3</span>,<span class="Constant"> 60</span>
    press F4
  ]
  run [
    event-loop screen, console, env
  ]
  <span class="Comment"># no change in contents</span>
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
<span class="Constant">    .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎0   edit          copy            delete         .</span>
   <span class="Constant"> .                                                  ╎add 1, 1                                         .</span>
   <span class="Constant"> .                                                  ╎2                                                .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎1   edit          copy            delete         .</span>
   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
   <span class="Constant"> .                                                  ╎4                                                .</span>
  ]
  <span class="Comment"># now try to scroll past end</span>
  assume-console [
    press page-down
    press page-down
    press page-down
  ]
  run [
    event-loop screen, console, env
  ]
  <span class="Comment"># screen should show just final sandbox with the right index (1)</span>
  screen-should-contain [
   <span class="Constant"> .                                                                                 run (F4)           .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╎1   edit          copy            delete         .</span>
   <span class="Constant"> .                                                  ╎add 2, 2                                         .</span>
   <span class="Constant"> .                                                  ╎4                                                .</span>
   <span class="Constant"> .                                                  ╎─────────────────────────────────────────────────.</span>
   <span class="Constant"> .                                                  ╎                                                 .</span>
  ]
]
</pre>
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