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-rw-r--r--html/edit/007-sandbox-delete.mu.html241
1 files changed, 225 insertions, 16 deletions
diff --git a/html/edit/007-sandbox-delete.mu.html b/html/edit/007-sandbox-delete.mu.html
index 6d289afa..b88de17f 100644
--- a/html/edit/007-sandbox-delete.mu.html
+++ b/html/edit/007-sandbox-delete.mu.html
@@ -37,9 +37,9 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
 <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="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
   <span class="Comment"># run a few commands</span>
   assume-console [
     left-click <span class="Constant">1</span>, <span class="Constant">80</span>
@@ -48,16 +48,16 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     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
+  event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared: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"> .                                                  ┊0                                               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"> .                                                  ┊1                                               x.</span>
    <span class="Constant"> .                                                  ┊divide-with-remainder 11, 3                      .</span>
    <span class="Constant"> .                                                  ┊3                                                .</span>
    <span class="Constant"> .                                                  ┊2                                                .</span>
@@ -69,13 +69,13 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     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
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared: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"> .                                                  ┊0                                               x.</span>
    <span class="Constant"> .                                                  ┊add 2, 2                                         .</span>
    <span class="Constant"> .                                                  ┊4                                                .</span>
    <span class="Constant"> .                                                  ┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
@@ -87,7 +87,7 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     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
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
   ]
   screen-should-contain [
    <span class="Constant"> .                                                                                 run (F4)           .</span>
@@ -105,23 +105,23 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
     <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?
+    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: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, env:address:programming-environment-data [
+<span class="muRecipe">recipe</span> delete-sandbox t:touch-event, env:address:shared:programming-environment-data<span class="muRecipe"> -&gt; </span>was-delete?:boolean, env:address:shared:programming-environment-data [
   <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>
+  current-sandbox:address:shared: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>
+  prev:address:address:shared:sandbox-data<span class="Special"> &lt;- </span>get-address *env, <span class="Constant">sandbox:offset</span>
+  curr:address:shared: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>
@@ -129,9 +129,20 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
       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>
+      <span class="Comment"># delete this sandbox</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="Comment"># update sandbox count</span>
+      sandbox-count:address:number<span class="Special"> &lt;- </span>get-address *env, <span class="Constant">number-of-sandboxes:offset</span>
+      *sandbox-count<span class="Special"> &lt;- </span>subtract *sandbox-count, <span class="Constant">1</span>
+      <span class="Comment"># if it's the last sandbox and if it was the only sandbox rendered, reset scroll</span>
+      <span class="Delimiter">{</span>
+        <span class="muControl">break-if</span> *prev
+        render-from:address:number<span class="Special"> &lt;- </span>get-address *env, <span class="Constant">render-from:offset</span>
+        reset-scroll?:boolean<span class="Special"> &lt;- </span>equal *render-from, *sandbox-count
+        <span class="muControl">break-unless</span> reset-scroll?
+        *render-from<span class="Special"> &lt;- </span>copy <span class="Constant">-1</span>
+      <span class="Delimiter">}</span>
+      <span class="muControl">reply</span> <span class="Constant">1/true</span>  <span class="Comment"># force rerender</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>
@@ -139,6 +150,204 @@ body { font-family: monospace; color: #eeeeee; background-color: #080808; }
   <span class="Delimiter">}</span>
   <span class="muControl">reply</span> <span class="Constant">0/false</span>
 ]
+
+<span class="muScenario">scenario</span> deleting-sandbox-after-scroll [
+  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
+  assume-screen <span class="Constant">30/width</span>, <span class="Constant">10/height</span>
+  <span class="Comment"># initialize environment</span>
+  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
+  render-all screen, <span class="Constant">3</span>:address:shared:programming-environment-data
+  <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 down-arrow
+  ]
+  run [
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
+  ]
+  screen-should-contain [
+   <span class="Constant"> .                              .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊0            x.</span>
+   <span class="Constant"> .               ┊add 1, 1      .</span>
+   <span class="Constant"> .               ┊2             .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .               ┊1            x.</span>
+  ]
+  <span class="Comment"># delete the second sandbox</span>
+  assume-console [
+    left-click <span class="Constant">6</span>, <span class="Constant">29</span>
+  ]
+  run [
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
+  ]
+  <span class="Comment"># second sandbox shows in editor; scroll resets to display first sandbox</span>
+  screen-should-contain [
+   <span class="Constant"> .                              .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊0            x.</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> deleting-top-sandbox-after-scroll [
+  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
+  assume-screen <span class="Constant">30/width</span>, <span class="Constant">10/height</span>
+  <span class="Comment"># initialize environment</span>
+  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
+  render-all screen, <span class="Constant">3</span>:address:shared:programming-environment-data
+  <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 down-arrow
+  ]
+  run [
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
+  ]
+  screen-should-contain [
+   <span class="Constant"> .                              .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊0            x.</span>
+   <span class="Constant"> .               ┊add 1, 1      .</span>
+   <span class="Constant"> .               ┊2             .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .               ┊1            x.</span>
+  ]
+  <span class="Comment"># delete the second sandbox</span>
+  assume-console [
+    left-click <span class="Constant">2</span>, <span class="Constant">29</span>
+  ]
+  run [
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
+  ]
+  <span class="Comment"># second sandbox shows in editor; scroll resets to display first sandbox</span>
+  screen-should-contain [
+   <span class="Constant"> .                              .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊0            x.</span>
+   <span class="Constant"> .               ┊add 2, 2      .</span>
+   <span class="Constant"> .               ┊4             .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .               ┊              .</span>
+  ]
+]
+
+<span class="muScenario">scenario</span> deleting-final-sandbox-after-scroll [
+  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
+  assume-screen <span class="Constant">30/width</span>, <span class="Constant">10/height</span>
+  <span class="Comment"># initialize environment</span>
+  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
+  render-all screen, <span class="Constant">3</span>:address:shared:programming-environment-data
+  <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 down-arrow
+    press down-arrow
+  ]
+  run [
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
+  ]
+  screen-should-contain [
+   <span class="Constant"> .                              .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊1            x.</span>
+   <span class="Constant"> .               ┊add 2, 2      .</span>
+   <span class="Constant"> .               ┊4             .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .               ┊              .</span>
+  ]
+  <span class="Comment"># delete the second sandbox</span>
+  assume-console [
+    left-click <span class="Constant">2</span>, <span class="Constant">29</span>
+  ]
+  run [
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
+  ]
+  <span class="Comment"># implicitly scroll up to first sandbox</span>
+  screen-should-contain [
+   <span class="Constant"> .                              .</span>
+   <span class="Constant"> .               ┊              .</span>
+<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .               ┊0            x.</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> deleting-updates-sandbox-count [
+  trace-until <span class="Constant">100/app</span>  <span class="Comment"># trace too long</span>
+  assume-screen <span class="Constant">30/width</span>, <span class="Constant">10/height</span>
+  <span class="Comment"># initialize environment</span>
+  <span class="Constant">1</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">2</span>:address:shared:array:character<span class="Special"> &lt;- </span>new <span class="Constant">[]</span>
+  <span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> &lt;- </span>new-programming-environment screen:address:shared:screen, <span class="Constant">1</span>:address:shared:array:character, <span class="Constant">2</span>:address:shared:array:character
+  render-all screen, <span class="Constant">3</span>:address:shared:programming-environment-data
+  <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
+  ]
+  run [
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
+  ]
+  screen-should-contain [
+   <span class="Constant"> .                              .</span>
+   <span class="Constant"> .               ┊              .</span>
+<span class="Constant">    .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .               ┊0            x.</span>
+   <span class="Constant"> .               ┊add 1, 1      .</span>
+   <span class="Constant"> .               ┊2             .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .               ┊1            x.</span>
+   <span class="Constant"> .               ┊add 2, 2      .</span>
+   <span class="Constant"> .               ┊4             .</span>
+  ]
+  <span class="Comment"># delete the second sandbox, then try to scroll down twice</span>
+  assume-console [
+    left-click <span class="Constant">3</span>, <span class="Constant">29</span>
+    press down-arrow
+    press down-arrow
+  ]
+  run [
+    event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
+  ]
+  <span class="Comment"># shouldn't go past last sandbox</span>
+  screen-should-contain [
+   <span class="Constant"> .                              .</span>
+   <span class="Constant"> .               ┊━━━━━━━━━━━━━━.</span>
+   <span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊0            x.</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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