287 lines
12 KiB
Plaintext
287 lines
12 KiB
Plaintext
## the 'copy' button makes it easy to duplicate a sandbox, and thence to
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## see code operate in multiple situations
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scenario copy-a-sandbox-to-editor [
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local-scope
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trace-until 50/app # trace too long
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assume-screen 50/width, 10/height
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# empty recipes
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assume-resources [
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]
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env:&:environment <- new-programming-environment resources, screen, [add 1, 1] # contents of sandbox editor
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render-all screen, env, render
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# run it
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assume-console [
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press F4
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]
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event-loop screen, console, env, resources
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screen-should-contain [
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. run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 1, 1 .
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.2 .
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.──────────────────────────────────────────────────.
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. .
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. .
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. .
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]
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# click at left edge of 'copy' button
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assume-console [
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left-click 3, 19
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]
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run [
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event-loop screen, console, env
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]
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# it copies into editor
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screen-should-contain [
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. run (F4) .
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.add 1, 1 .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 1, 1 .
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.2 .
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.──────────────────────────────────────────────────.
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. .
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. .
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. .
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]
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# cursor should be in the right place
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assume-console [
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type [0]
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]
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run [
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event-loop screen, console, env, resources
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]
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screen-should-contain [
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. run (F4) .
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.0add 1, 1 .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 1, 1 .
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.2 .
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.──────────────────────────────────────────────────.
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. .
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. .
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. .
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]
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]
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scenario copy-a-sandbox-to-editor-2 [
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local-scope
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trace-until 50/app # trace too long
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assume-screen 50/width, 10/height
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# empty recipes
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assume-resources [
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]
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env:&:environment <- new-programming-environment resources, screen, [add 1, 1] # contents of sandbox editor
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render-all screen, env, render
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# run it
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assume-console [
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press F4
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]
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event-loop screen, console, env, resources
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screen-should-contain [
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. run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 1, 1 .
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.2 .
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.──────────────────────────────────────────────────.
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. .
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. .
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. .
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]
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# click at right edge of 'copy' button (just before 'delete')
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assume-console [
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left-click 3, 33
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]
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run [
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event-loop screen, console, env, resources
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]
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# it copies into editor
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screen-should-contain [
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. run (F4) .
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.add 1, 1 .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 1, 1 .
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.2 .
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.──────────────────────────────────────────────────.
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. .
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. .
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. .
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]
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# cursor should be in the right place
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assume-console [
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type [0]
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]
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run [
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event-loop screen, console, env, resources
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]
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screen-should-contain [
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. run (F4) .
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.0add 1, 1 .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 1, 1 .
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.2 .
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.──────────────────────────────────────────────────.
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. .
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. .
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. .
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]
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]
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after <global-touch> [
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# support 'copy' button
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{
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copy?:bool <- should-attempt-copy? click-row, click-column, env
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break-unless copy?
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copy?, env <- try-copy-sandbox click-row, env
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break-unless copy?
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screen <- render-sandbox-side screen, env, render
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screen <- update-cursor screen, current-sandbox, env
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loop +next-event
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}
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]
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# some preconditions for attempting to copy a sandbox
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def should-attempt-copy? click-row:num, click-column:num, env:&:environment -> result:bool [
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local-scope
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load-inputs
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# are we below the sandbox editor?
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click-sandbox-area?:bool <- click-on-sandbox-area? click-row, env
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return-unless click-sandbox-area?, false
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# narrower, is the click in the columns spanning the 'copy' button?
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first-sandbox:&:editor <- get *env, current-sandbox:offset
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assert first-sandbox, [!!]
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sandbox-left-margin:num <- get *first-sandbox, left:offset
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sandbox-right-margin:num <- get *first-sandbox, right:offset
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_, _, copy-button-left:num, copy-button-right:num, _ <- sandbox-menu-columns sandbox-left-margin, sandbox-right-margin
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copy-button-vertical-area?:bool <- within-range? click-column, copy-button-left, copy-button-right
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return-unless copy-button-vertical-area?, false
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# finally, is sandbox editor empty?
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current-sandbox:&:editor <- get *env, current-sandbox:offset
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result <- empty-editor? current-sandbox
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]
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def try-copy-sandbox click-row:num, env:&:environment -> clicked-on-copy-button?:bool, env:&:environment [
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local-scope
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load-inputs
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# identify the sandbox to copy, if the click was actually on the 'copy' button
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sandbox:&:sandbox <- find-sandbox env, click-row
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return-unless sandbox, false
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clicked-on-copy-button? <- copy true
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text:text <- get *sandbox, data:offset
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current-sandbox:&:editor <- get *env, current-sandbox:offset
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current-sandbox <- insert-text current-sandbox, text
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# reset scroll
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*env <- put *env, render-from:offset, -1
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]
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def find-sandbox env:&:environment, click-row:num -> result:&:sandbox [
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local-scope
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load-inputs
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curr-sandbox:&:sandbox <- get *env, sandbox:offset
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{
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break-unless curr-sandbox
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start:num <- get *curr-sandbox, starting-row-on-screen:offset
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found?:bool <- equal click-row, start
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return-if found?, curr-sandbox
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curr-sandbox <- get *curr-sandbox, next-sandbox:offset
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loop
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}
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return null/not-found
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]
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def click-on-sandbox-area? click-row:num, env:&:environment -> result:bool [
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local-scope
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load-inputs
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first-sandbox:&:sandbox <- get *env, sandbox:offset
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return-unless first-sandbox, false
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first-sandbox-begins:num <- get *first-sandbox, starting-row-on-screen:offset
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result <- greater-or-equal click-row, first-sandbox-begins
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]
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def empty-editor? editor:&:editor -> result:bool [
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local-scope
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load-inputs
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head:&:duplex-list:char <- get *editor, data:offset
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first:&:duplex-list:char <- next head
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result <- not first
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]
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def within-range? x:num, low:num, high:num -> result:bool [
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local-scope
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load-inputs
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not-too-far-left?:bool <- greater-or-equal x, low
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not-too-far-right?:bool <- lesser-or-equal x, high
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result <- and not-too-far-left? not-too-far-right?
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]
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scenario copy-fails-if-sandbox-editor-not-empty [
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local-scope
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trace-until 50/app # trace too long
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assume-screen 50/width, 10/height
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# empty recipes
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assume-resources [
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]
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env:&:environment <- new-programming-environment resources, screen, [add 1, 1] # contents of sandbox editor
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render-all screen, env, render
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# run it
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assume-console [
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press F4
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]
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event-loop screen, console, env, resources
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screen-should-contain [
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. run (F4) .
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. .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 1, 1 .
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.2 .
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.──────────────────────────────────────────────────.
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. .
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]
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# type something into the sandbox editor, then click on the 'copy' button
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assume-console [
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left-click 2, 20 # put cursor in sandbox editor
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type [0] # type something
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left-click 3, 20 # click 'copy' button
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]
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run [
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event-loop screen, console, env
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]
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# copy doesn't happen
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screen-should-contain [
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. run (F4) .
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.0 .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 1, 1 .
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.2 .
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.──────────────────────────────────────────────────.
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. .
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]
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# cursor should be in the right place
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assume-console [
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type [1]
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]
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run [
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event-loop screen, console, env, resources
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]
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screen-should-contain [
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. run (F4) .
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.01 .
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.──────────────────────────────────────────────────.
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.0 edit copy delete .
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.add 1, 1 .
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.2 .
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.──────────────────────────────────────────────────.
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. .
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]
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]
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