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<pre id='vimCodeElement'>
<span class="SalientComment">## the 'copy' button makes it easy to duplicate a sandbox, and thence to</span>
<span class="SalientComment">## see code operate in multiple situations</span>
<span class="muScenario">scenario</span> copy-a-sandbox-to-editor [
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>
<span class="Constant">1</span>:text<span class="Special"> <- </span>new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant"> reply 4</span>
<span class="Constant">]</span>]
<span class="Comment"># run it</span>
<span class="Constant">2</span>:text<span class="Special"> <- </span>new <span class="Constant">[foo]</span>
assume-console [
press F4
]
<span class="Constant">3</span>:&:environment<span class="Special"> <- </span>new-programming-environment screen:&:screen, <span class="Constant">1</span>:text, <span class="Constant">2</span>:text
event-loop screen:&:screen, console:&:console, <span class="Constant">3</span>:&:environment
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 'copy' button</span>
assume-console [
left-click <span class="Constant">3</span>, <span class="Constant">69</span>
]
run [
event-loop screen:&:screen, console:&:console, <span class="Constant">3</span>:&:environment
]
<span class="Comment"># it copies 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 ┊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"># cursor should be in the right place</span>
assume-console [
type <span class="Constant">[0]</span>
]
run [
event-loop screen:&:screen, console:&:console, <span class="Constant">3</span>:&:environment
]
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 ┊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="muScenario">scenario</span> copy-a-sandbox-to-editor-2 [
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>
<span class="Constant">1</span>:text<span class="Special"> <- </span>new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant"> reply 4</span>
<span class="Constant">]</span>]
<span class="Comment"># run it</span>
<span class="Constant">2</span>:text<span class="Special"> <- </span>new <span class="Constant">[foo]</span>
assume-console [
press F4
]
<span class="Constant">3</span>:&:environment<span class="Special"> <- </span>new-programming-environment screen:&:screen, <span class="Constant">1</span>:text, <span class="Constant">2</span>:text
event-loop screen:&:screen, console:&:console, <span class="Constant">3</span>:&:environment
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 'copy' button (just before 'delete')</span>
assume-console [
left-click <span class="Constant">3</span>, <span class="Constant">84</span>
]
run [
event-loop screen:&:screen, console:&:console, <span class="Constant">3</span>:&:environment
]
<span class="Comment"># it copies 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 ┊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"># cursor should be in the right place</span>
assume-console [
type <span class="Constant">[0]</span>
]
run [
event-loop screen:&:screen, console:&:console, <span class="Constant">3</span>:&:environment
]
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 ┊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="muRecipe">after</span> <span class="Constant"><global-touch></span> [
<span class="Comment"># support 'copy' button</span>
<span class="Delimiter">{</span>
copy?:bool<span class="Special"> <- </span>should-attempt-copy? click-row, click-column, env
<span class="muControl">break-unless</span> copy?
copy?, env<span class="Special"> <- </span>try-copy-sandbox click-row, env
<span class="muControl">break-unless</span> copy?
hide-screen screen
screen<span class="Special"> <- </span>render-sandbox-side screen, env, render
screen<span class="Special"> <- </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="Comment"># some preconditions for attempting to copy a sandbox</span>
<span class="muRecipe">def</span> should-attempt-copy? click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </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"> <- </span>click-on-sandbox-area? click-row, click-column, env
<span class="muControl">reply-unless</span> click-sandbox-area?, <span class="Constant">0/false</span>
<span class="Comment"># narrower, is the click in the columns spanning the 'copy' button?</span>
first-sandbox:&:editor<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
assert first-sandbox, <span class="Constant">[!!]</span>
sandbox-left-margin:num<span class="Special"> <- </span>get *first-sandbox, <span class="Constant">left:offset</span>
sandbox-right-margin:num<span class="Special"> <- </span>get *first-sandbox, <span class="Constant">right:offset</span>
_, _, copy-button-left:num, copy-button-right:num, _<span class="Special"> <- </span>sandbox-menu-columns sandbox-left-margin, sandbox-right-margin
copy-button-vertical-area?:bool<span class="Special"> <- </span>within-range? click-column, copy-button-left, copy-button-right
<span class="muControl">reply-unless</span> copy-button-vertical-area?, <span class="Constant">0/false</span>
<span class="Comment"># finally, is sandbox editor empty?</span>
current-sandbox:&:editor<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
result<span class="Special"> <- </span>empty-editor? current-sandbox
]
<span class="muRecipe">def</span> try-copy-sandbox click-row:num, env:&:environment<span class="muRecipe"> -> </span>clicked-on-copy-button?:bool, env:&:environment [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
<span class="Comment"># identify the sandbox to copy, if the click was actually on the 'copy' button</span>
sandbox:&:sandbox<span class="Special"> <- </span>find-sandbox env, click-row
<span class="muControl">return-unless</span> sandbox, <span class="Constant">0/false</span>
clicked-on-copy-button?<span class="Special"> <- </span>copy <span class="Constant">1/true</span>
text:text<span class="Special"> <- </span>get *sandbox, <span class="Constant">data:offset</span>
current-sandbox:&:editor<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
current-sandbox<span class="Special"> <- </span>insert-text current-sandbox, text
<span class="Comment"># reset scroll</span>
*env<span class="Special"> <- </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"> <- </span>put *env, <span class="Constant">sandbox-in-focus?:offset</span>, <span class="Constant">1/true</span>
]
<span class="muRecipe">def</span> find-sandbox env:&:environment, click-row:num<span class="muRecipe"> -> </span>result:&:sandbox [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
curr-sandbox:&:sandbox<span class="Special"> <- </span>get *env, <span class="Constant">sandbox:offset</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> curr-sandbox
start:num<span class="Special"> <- </span>get *curr-sandbox, <span class="Constant">starting-row-on-screen:offset</span>
found?:bool<span class="Special"> <- </span>equal click-row, start
<span class="muControl">return-if</span> found?, curr-sandbox
curr-sandbox<span class="Special"> <- </span>get *curr-sandbox, <span class="Constant">next-sandbox:offset</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
<span class="muControl">return</span> <span class="Constant">0/not-found</span>
]
<span class="muRecipe">def</span> click-on-sandbox-area? click-row:num, click-column:num, env:&:environment<span class="muRecipe"> -> </span>result:bool [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
current-sandbox:&:editor<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
sandbox-left-margin:num<span class="Special"> <- </span>get *current-sandbox, <span class="Constant">left:offset</span>
on-sandbox-side?:bool<span class="Special"> <- </span>greater-or-equal click-column, sandbox-left-margin
<span class="muControl">return-unless</span> on-sandbox-side?, <span class="Constant">0/false</span>
first-sandbox:&:sandbox<span class="Special"> <- </span>get *env, <span class="Constant">sandbox:offset</span>
<span class="muControl">return-unless</span> first-sandbox, <span class="Constant">0/false</span>
first-sandbox-begins:num<span class="Special"> <- </span>get *first-sandbox, <span class="Constant">starting-row-on-screen:offset</span>
result<span class="Special"> <- </span>greater-or-equal click-row, first-sandbox-begins
]
<span class="muRecipe">def</span> empty-editor? editor:&:editor<span class="muRecipe"> -> </span>result:bool [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
head:&:duplex-list:char<span class="Special"> <- </span>get *editor, <span class="Constant">data:offset</span>
first:&:duplex-list:char<span class="Special"> <- </span>next head
result<span class="Special"> <- </span>not first
]
<span class="muRecipe">def</span> within-range? x:num, low:num, high:num<span class="muRecipe"> -> </span>result:bool [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
not-too-far-left?:bool<span class="Special"> <- </span>greater-or-equal x, low
not-too-far-right?:bool<span class="Special"> <- </span>lesser-or-equal x, high
result<span class="Special"> <- </span>and not-too-far-left? not-too-far-right?
]
<span class="muScenario">scenario</span> copy-fails-if-sandbox-editor-not-empty [
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>
<span class="Constant">1</span>:text<span class="Special"> <- </span>new <span class="Constant">[ </span>
<span class="Constant">recipe foo [</span>
<span class="Constant"> reply 4</span>
<span class="Constant">]</span>]
<span class="Comment"># run it</span>
<span class="Constant">2</span>:text<span class="Special"> <- </span>new <span class="Constant">[foo]</span>
assume-console [
press F4
]
<span class="Constant">3</span>:&:environment<span class="Special"> <- </span>new-programming-environment screen:&:screen, <span class="Constant">1</span>:text, <span class="Constant">2</span>:text
event-loop screen:&:screen, console:&:console, <span class="Constant">3</span>:&:environment
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"># type something into the sandbox editor, then click on the 'copy' button</span>
assume-console [
left-click <span class="Constant">2</span>, <span class="Constant">70</span> <span class="Comment"># put cursor in sandbox editor</span>
type <span class="Constant">[0]</span> <span class="Comment"># type something</span>
left-click <span class="Constant">3</span>, <span class="Constant">70</span> <span class="Comment"># click 'copy' button</span>
]
run [
event-loop screen:&:screen, console:&:console, <span class="Constant">3</span>:&:environment
]
<span class="Comment"># copy doesn't happen</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> . ┊0 .</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"># cursor should be in the right place</span>
assume-console [
type <span class="Constant">[1]</span>
]
run [
event-loop screen:&:screen, console:&:console, <span class="Constant">3</span>:&:environment
]
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> . ┊01 .</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>
]
]
</pre>
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