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<span class="SalientComment">## putting the environment together out of editors</span>
<span class="Comment">#</span>
<span class="Comment"># Consists of one editor on the left for recipes and one on the right for the</span>
<span class="Comment"># sandbox.</span>
<span class="muRecipe">recipe!</span> main [
<span class="Constant">local-scope</span>
open-console
initial-recipe:address:shared:array:character<span class="Special"> <- </span>restore <span class="Constant">[recipes.mu]</span>
initial-sandbox:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[]</span>
hide-screen <span class="Constant">0/screen</span>
env:address:shared:programming-environment-data<span class="Special"> <- </span>new-programming-environment <span class="Constant">0/screen</span>, initial-recipe, initial-sandbox
render-all <span class="Constant">0/screen</span>, env
event-loop <span class="Constant">0/screen</span>, <span class="Constant">0/console</span>, env
<span class="Comment"># never gets here</span>
]
<span class="muData">container</span> programming-environment-data [
recipes:address:shared:editor-data
current-sandbox:address:shared:editor-data
sandbox-in-focus?:boolean <span class="Comment"># false => cursor in recipes; true => cursor in current-sandbox</span>
]
<span class="muRecipe">recipe</span> new-programming-environment screen:address:shared:screen, initial-recipe-contents:address:shared:array:character, initial-sandbox-contents:address:shared:array:character<span class="muRecipe"> -> </span>result:address:shared:programming-environment-data, screen:address:shared:screen [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
width:number<span class="Special"> <- </span>screen-width screen
height:number<span class="Special"> <- </span>screen-height screen
<span class="Comment"># top menu</span>
result<span class="Special"> <- </span>new <span class="Constant">programming-environment-data:type</span>
draw-horizontal screen, <span class="Constant">0</span>, <span class="Constant">0/left</span>, width, <span class="Constant">32/space</span>, <span class="Constant">0/black</span>, <span class="Constant">238/grey</span>
button-start:number<span class="Special"> <- </span>subtract width, <span class="Constant">20</span>
button-on-screen?:boolean<span class="Special"> <- </span>greater-or-equal button-start, <span class="Constant">0</span>
assert button-on-screen?, <span class="Constant">[screen too narrow for menu]</span>
screen<span class="Special"> <- </span>move-cursor screen, <span class="Constant">0/row</span>, button-start
run-button:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[ run (F4) ]</span>
print screen, run-button, <span class="Constant">255/white</span>, <span class="Constant">161/reddish</span>
<span class="Comment"># dotted line down the middle</span>
divider:number, _<span class="Special"> <- </span>divide-with-remainder width, <span class="Constant">2</span>
draw-vertical screen, divider, <span class="Constant">1/top</span>, height, <span class="Constant">9482/vertical-dotted</span>
<span class="Comment"># recipe editor on the left</span>
recipes:address:address:shared:editor-data<span class="Special"> <- </span>get-address *result, <span class="Constant">recipes:offset</span>
*recipes<span class="Special"> <- </span>new-editor initial-recipe-contents, screen, <span class="Constant">0/left</span>, divider/right
<span class="Comment"># sandbox editor on the right</span>
new-left:number<span class="Special"> <- </span>add divider, <span class="Constant">1</span>
current-sandbox:address:address:shared:editor-data<span class="Special"> <- </span>get-address *result, <span class="Constant">current-sandbox:offset</span>
*current-sandbox<span class="Special"> <- </span>new-editor initial-sandbox-contents, screen, new-left, width/right
<span class="Constant"> <programming-environment-initialization></span>
]
<span class="muRecipe">recipe</span> event-loop screen:address:shared:screen, console:address:shared:console, env:address:shared:programming-environment-data<span class="muRecipe"> -> </span>screen:address:shared:screen, console:address:shared:console, env:address:shared:programming-environment-data [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
recipes:address:shared:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
current-sandbox:address:shared:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
sandbox-in-focus?:address:boolean<span class="Special"> <- </span>get-address *env, <span class="Constant">sandbox-in-focus?:offset</span>
<span class="Comment"># if we fall behind we'll stop updating the screen, but then we have to</span>
<span class="Comment"># render the entire screen when we catch up.</span>
<span class="Comment"># todo: test this</span>
render-all-on-no-more-events?:boolean<span class="Special"> <- </span>copy <span class="Constant">0/false</span>
<span class="Delimiter">{</span>
<span class="Comment"># looping over each (keyboard or touch) event as it occurs</span>
<span class="Constant"> +next-event</span>
e:event, console, found?:boolean, quit?:boolean<span class="Special"> <- </span>read-event console
<span class="muControl">loop-unless</span> found?
<span class="muControl">break-if</span> quit? <span class="Comment"># only in tests</span>
trace <span class="Constant">10</span>, <span class="Constant">[app]</span>, <span class="Constant">[next-event]</span>
<span class="Constant"> <handle-event></span>
<span class="Comment"># check for global events that will trigger regardless of which editor has focus</span>
<span class="Delimiter">{</span>
k:address:number<span class="Special"> <- </span>maybe-convert e:event, <span class="Constant">keycode:variant</span>
<span class="muControl">break-unless</span> k
<span class="Constant"> <global-keypress></span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
c:address:character<span class="Special"> <- </span>maybe-convert e:event, <span class="Constant">text:variant</span>
<span class="muControl">break-unless</span> c
<span class="Constant"> <global-type></span>
<span class="Delimiter">}</span>
<span class="Comment"># 'touch' event - send to both sides, see what picks it up</span>
<span class="Delimiter">{</span>
t:address:touch-event<span class="Special"> <- </span>maybe-convert e:event, <span class="Constant">touch:variant</span>
<span class="muControl">break-unless</span> t
<span class="Comment"># ignore all but 'left-click' events for now</span>
<span class="Comment"># todo: test this</span>
touch-type:number<span class="Special"> <- </span>get *t, <span class="Constant">type:offset</span>
is-left-click?:boolean<span class="Special"> <- </span>equal touch-type, <span class="Constant">65513/mouse-left</span>
<span class="muControl">loop-unless</span> is-left-click?, <span class="Constant">+next-event:label</span>
<span class="Comment"># later exceptions for non-editor touches will go here</span>
<span class="Constant"> <global-touch></span>
<span class="Comment"># send to both editors</span>
_<span class="Special"> <- </span>move-cursor-in-editor screen, recipes, *t
*sandbox-in-focus?<span class="Special"> <- </span>move-cursor-in-editor screen, current-sandbox, *t
screen<span class="Special"> <- </span>update-cursor screen, recipes, current-sandbox, *sandbox-in-focus?, env
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
<span class="Comment"># 'resize' event - redraw editor</span>
<span class="Comment"># todo: test this after supporting resize in assume-console</span>
<span class="Delimiter">{</span>
r:address:resize-event<span class="Special"> <- </span>maybe-convert e:event, <span class="Constant">resize:variant</span>
<span class="muControl">break-unless</span> r
<span class="Comment"># if more events, we're still resizing; wait until we stop</span>
more-events?:boolean<span class="Special"> <- </span>has-more-events? console
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> more-events?
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">1/true</span> <span class="Comment"># no rendering now, full rendering on some future event</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> more-events?
env, screen<span class="Special"> <- </span>resize screen, env
screen<span class="Special"> <- </span>render-all screen, env
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">0/false</span> <span class="Comment"># full render done</span>
<span class="Delimiter">}</span>
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
<span class="Comment"># if it's not global and not a touch event, send to appropriate editor</span>
<span class="Delimiter">{</span>
hide-screen screen
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> *sandbox-in-focus?
screen, recipes, render?:boolean<span class="Special"> <- </span>handle-keyboard-event screen, recipes, e:event
<span class="Comment"># refresh screen only if no more events</span>
<span class="Comment"># if there are more events to process, wait for them to clear up, then make sure you render-all afterward.</span>
more-events?:boolean<span class="Special"> <- </span>has-more-events? console
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> more-events?
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">1/true</span> <span class="Comment"># no rendering now, full rendering on some future event</span>
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> more-events?
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> render-all-on-no-more-events?
<span class="Comment"># no more events, and we have to force render</span>
screen<span class="Special"> <- </span>render-all screen, env
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">0/false</span>
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Comment"># no more events, no force render</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> render?
screen<span class="Special"> <- </span>render-recipes screen, env
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> *sandbox-in-focus?
screen, current-sandbox, render?:boolean<span class="Special"> <- </span>handle-keyboard-event screen, current-sandbox, e:event
<span class="Comment"># refresh screen only if no more events</span>
<span class="Comment"># if there are more events to process, wait for them to clear up, then make sure you render-all afterward.</span>
more-events?:boolean<span class="Special"> <- </span>has-more-events? console
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> more-events?
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">1/true</span> <span class="Comment"># no rendering now, full rendering on some future event</span>
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> more-events?
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> render-all-on-no-more-events?
<span class="Comment"># no more events, and we have to force render</span>
screen<span class="Special"> <- </span>render-all screen, env
render-all-on-no-more-events?<span class="Special"> <- </span>copy <span class="Constant">0/false</span>
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Comment"># no more events, no force render</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> render?
screen<span class="Special"> <- </span>render-sandbox-side screen, env
<span class="muControl">jump</span> <span class="Constant">+finish-event:label</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Delimiter">}</span>
<span class="Constant"> +finish-event</span>
screen<span class="Special"> <- </span>update-cursor screen, recipes, current-sandbox, *sandbox-in-focus?, env
show-screen screen
<span class="Delimiter">}</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
]
<span class="muRecipe">recipe</span> resize screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -> </span>env:address:shared:programming-environment-data, screen:address:shared:screen [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
clear-screen screen <span class="Comment"># update screen dimensions</span>
width:number<span class="Special"> <- </span>screen-width screen
divider:number, _<span class="Special"> <- </span>divide-with-remainder width, <span class="Constant">2</span>
<span class="Comment"># update recipe editor</span>
recipes:address:shared:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
right:address:number<span class="Special"> <- </span>get-address *recipes, <span class="Constant">right:offset</span>
*right<span class="Special"> <- </span>subtract divider, <span class="Constant">1</span>
<span class="Comment"># reset cursor (later we'll try to preserve its position)</span>
cursor-row:address:number<span class="Special"> <- </span>get-address *recipes, <span class="Constant">cursor-row:offset</span>
*cursor-row<span class="Special"> <- </span>copy <span class="Constant">1</span>
cursor-column:address:number<span class="Special"> <- </span>get-address *recipes, <span class="Constant">cursor-column:offset</span>
*cursor-column<span class="Special"> <- </span>copy <span class="Constant">0</span>
<span class="Comment"># update sandbox editor</span>
current-sandbox:address:shared:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
left:address:number<span class="Special"> <- </span>get-address *current-sandbox, <span class="Constant">left:offset</span>
right:address:number<span class="Special"> <- </span>get-address *current-sandbox, <span class="Constant">right:offset</span>
*left<span class="Special"> <- </span>add divider, <span class="Constant">1</span>
*right<span class="Special"> <- </span>subtract width, <span class="Constant">1</span>
<span class="Comment"># reset cursor (later we'll try to preserve its position)</span>
cursor-row:address:number<span class="Special"> <- </span>get-address *current-sandbox, <span class="Constant">cursor-row:offset</span>
*cursor-row<span class="Special"> <- </span>copy <span class="Constant">1</span>
cursor-column:address:number<span class="Special"> <- </span>get-address *current-sandbox, <span class="Constant">cursor-column:offset</span>
*cursor-column<span class="Special"> <- </span>copy *left
]
<span class="muScenario">scenario</span> point-at-multiple-editors [
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">5/height</span>
<span class="Comment"># initialize both halves of screen</span>
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[abc]</span>
<span class="Constant">2</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[def]</span>
<span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> <- </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"># focus on both sides</span>
assume-console [
left-click <span class="Constant">1</span>, <span class="Constant">1</span>
left-click <span class="Constant">1</span>, <span class="Constant">17</span>
]
<span class="Comment"># check cursor column in each</span>
run [
event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
<span class="Constant">4</span>:address:shared:editor-data<span class="Special"> <- </span>get *<span class="Constant">3</span>:address:shared:programming-environment-data, <span class="Constant">recipes:offset</span>
<span class="Constant">5</span>:number<span class="Special"> <- </span>get *<span class="Constant">4</span>:address:shared:editor-data, <span class="Constant">cursor-column:offset</span>
<span class="Constant">6</span>:address:shared:editor-data<span class="Special"> <- </span>get *<span class="Constant">3</span>:address:shared:programming-environment-data, <span class="Constant">current-sandbox:offset</span>
<span class="Constant">7</span>:number<span class="Special"> <- </span>get *<span class="Constant">6</span>:address:shared:editor-data, <span class="Constant">cursor-column:offset</span>
]
memory-should-contain [
<span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">1</span>
<span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">17</span>
]
]
<span class="muScenario">scenario</span> edit-multiple-editors [
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">5/height</span>
<span class="Comment"># initialize both halves of screen</span>
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[abc]</span>
<span class="Constant">2</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[def]</span>
<span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> <- </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"># type one letter in each of them</span>
assume-console [
left-click <span class="Constant">1</span>, <span class="Constant">1</span>
type <span class="Constant">[0]</span>
left-click <span class="Constant">1</span>, <span class="Constant">17</span>
type <span class="Constant">[1]</span>
]
run [
event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
<span class="Constant">4</span>:address:shared:editor-data<span class="Special"> <- </span>get *<span class="Constant">3</span>:address:shared:programming-environment-data, <span class="Constant">recipes:offset</span>
<span class="Constant">5</span>:number<span class="Special"> <- </span>get *<span class="Constant">4</span>:address:shared:editor-data, <span class="Constant">cursor-column:offset</span>
<span class="Constant">6</span>:address:shared:editor-data<span class="Special"> <- </span>get *<span class="Constant">3</span>:address:shared:programming-environment-data, <span class="Constant">current-sandbox:offset</span>
<span class="Constant">7</span>:number<span class="Special"> <- </span>get *<span class="Constant">6</span>:address:shared:editor-data, <span class="Constant">cursor-column:offset</span>
]
screen-should-contain [
<span class="Constant"> . run (F4) . # this line has a different background, but we don't test that yet</span>
<span class="Constant"> .a0bc ┊d1ef .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
memory-should-contain [
<span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">2</span> <span class="Comment"># cursor column of recipe editor</span>
<span class="Constant">7</span><span class="Special"> <- </span><span class="Constant">18</span> <span class="Comment"># cursor column of sandbox editor</span>
]
<span class="Comment"># show the cursor at the right window</span>
run [
<span class="Constant">8</span>:character/cursor<span class="Special"> <- </span>copy <span class="Constant">9251/␣</span>
print screen:address:shared:screen, <span class="Constant">8</span>:character/cursor
]
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .a0bc ┊d1␣f .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
]
<span class="muScenario">scenario</span> multiple-editors-cover-only-their-own-areas [
trace-until <span class="Constant">100/app</span> <span class="Comment"># trace too long</span>
assume-screen <span class="Constant">60/width</span>, <span class="Constant">10/height</span>
run [
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[abc]</span>
<span class="Constant">2</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[def]</span>
<span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> <- </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"># divider isn't messed up</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .abc ┊def .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
<span class="Constant"> . ┊ .</span>
]
]
<span class="muScenario">scenario</span> editor-in-focus-keeps-cursor [
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">5/height</span>
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[abc]</span>
<span class="Constant">2</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[def]</span>
<span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> <- </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"># initialize programming environment and highlight cursor</span>
assume-console <span class="Constant">[]</span>
run [
event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
<span class="Constant">4</span>:character/cursor<span class="Special"> <- </span>copy <span class="Constant">9251/␣</span>
print screen:address:shared:screen, <span class="Constant">4</span>:character/cursor
]
<span class="Comment"># is cursor at the right place?</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .␣bc ┊def .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
<span class="Comment"># now try typing a letter</span>
assume-console [
type <span class="Constant">[z]</span>
]
run [
event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
<span class="Constant">4</span>:character/cursor<span class="Special"> <- </span>copy <span class="Constant">9251/␣</span>
print screen:address:shared:screen, <span class="Constant">4</span>:character/cursor
]
<span class="Comment"># cursor should still be right</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> .z␣bc ┊def .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
]
<span class="muScenario">scenario</span> backspace-in-sandbox-editor-joins-lines [
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">5/height</span>
<span class="Comment"># initialize sandbox side with two lines</span>
<span class="Constant">1</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[]</span>
<span class="Constant">2</span>:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[abc</span>
<span class="Constant">def]</span>
<span class="Constant">3</span>:address:shared:programming-environment-data<span class="Special"> <- </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
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> . ┊abc .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊def .</span>
<span class="Constant"> . ┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
<span class="Comment"># position cursor at start of second line and hit backspace</span>
assume-console [
left-click <span class="Constant">2</span>, <span class="Constant">16</span>
press backspace
]
run [
event-loop screen:address:shared:screen, console:address:shared:console, <span class="Constant">3</span>:address:shared:programming-environment-data
<span class="Constant">4</span>:character/cursor<span class="Special"> <- </span>copy <span class="Constant">9251/␣</span>
print screen:address:shared:screen, <span class="Constant">4</span>:character/cursor
]
<span class="Comment"># cursor moves to end of old line</span>
screen-should-contain [
<span class="Constant"> . run (F4) .</span>
<span class="Constant"> . ┊abc␣ef .</span>
<span class="Constant"> .┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┊━━━━━━━━━━━━━━.</span>
<span class="Constant"> . ┊ .</span>
]
]
<span class="muRecipe">recipe</span> render-all screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -> </span>screen:address:shared:screen [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
trace <span class="Constant">10</span>, <span class="Constant">[app]</span>, <span class="Constant">[render all]</span>
hide-screen screen
<span class="Comment"># top menu</span>
trace <span class="Constant">11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render top menu]</span>
width:number<span class="Special"> <- </span>screen-width screen
<span class="CommentedCode">#? $print [draw menu], 10/newline</span>
draw-horizontal screen, <span class="Constant">0</span>, <span class="Constant">0/left</span>, width, <span class="Constant">32/space</span>, <span class="Constant">0/black</span>, <span class="Constant">238/grey</span>
<span class="CommentedCode">#? $print [draw menu end], 10/newline</span>
button-start:number<span class="Special"> <- </span>subtract width, <span class="Constant">20</span>
button-on-screen?:boolean<span class="Special"> <- </span>greater-or-equal button-start, <span class="Constant">0</span>
assert button-on-screen?, <span class="Constant">[screen too narrow for menu]</span>
screen<span class="Special"> <- </span>move-cursor screen, <span class="Constant">0/row</span>, button-start
run-button:address:shared:array:character<span class="Special"> <- </span>new <span class="Constant">[ run (F4) ]</span>
print screen, run-button, <span class="Constant">255/white</span>, <span class="Constant">161/reddish</span>
<span class="Comment"># dotted line down the middle</span>
trace <span class="Constant">11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render divider]</span>
divider:number, _<span class="Special"> <- </span>divide-with-remainder width, <span class="Constant">2</span>
height:number<span class="Special"> <- </span>screen-height screen
draw-vertical screen, divider, <span class="Constant">1/top</span>, height, <span class="Constant">9482/vertical-dotted</span>
<span class="Comment">#</span>
screen<span class="Special"> <- </span>render-recipes screen, env
screen<span class="Special"> <- </span>render-sandbox-side screen, env
<span class="Constant"> <render-components-end></span>
<span class="Comment">#</span>
recipes:address:shared:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
current-sandbox:address:shared:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
sandbox-in-focus?:boolean<span class="Special"> <- </span>get *env, <span class="Constant">sandbox-in-focus?:offset</span>
screen<span class="Special"> <- </span>update-cursor screen, recipes, current-sandbox, sandbox-in-focus?, env
<span class="Comment">#</span>
show-screen screen
]
<span class="muRecipe">recipe</span> render-recipes screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -> </span>screen:address:shared:screen [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
trace <span class="Constant">11</span>, <span class="Constant">[app]</span>, <span class="Constant">[render recipes]</span>
recipes:address:shared:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">recipes:offset</span>
<span class="Comment"># render recipes</span>
left:number<span class="Special"> <- </span>get *recipes, <span class="Constant">left:offset</span>
right:number<span class="Special"> <- </span>get *recipes, <span class="Constant">right:offset</span>
row:number, column:number, screen<span class="Special"> <- </span>render screen, recipes
clear-line-delimited screen, column, right
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
<span class="Constant"> <render-recipe-components-end></span>
<span class="Comment"># draw dotted line after recipes</span>
draw-horizontal screen, row, left, right, <span class="Constant">9480/horizontal-dotted</span>
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
clear-screen-from screen, row, left, left, right
]
<span class="Comment"># replaced in a later layer</span>
<span class="muRecipe">recipe</span> render-sandbox-side screen:address:shared:screen, env:address:shared:programming-environment-data<span class="muRecipe"> -> </span>screen:address:shared:screen [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
current-sandbox:address:shared:editor-data<span class="Special"> <- </span>get *env, <span class="Constant">current-sandbox:offset</span>
left:number<span class="Special"> <- </span>get *current-sandbox, <span class="Constant">left:offset</span>
right:number<span class="Special"> <- </span>get *current-sandbox, <span class="Constant">right:offset</span>
row:number, column:number, screen, current-sandbox<span class="Special"> <- </span>render screen, current-sandbox
clear-line-delimited screen, column, right
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
<span class="Comment"># draw solid line after code (you'll see why in later layers)</span>
draw-horizontal screen, row, left, right, <span class="Constant">9473/horizontal</span>
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
clear-screen-from screen, row, left, left, right
]
<span class="muRecipe">recipe</span> update-cursor screen:address:shared:screen, recipes:address:shared:editor-data, current-sandbox:address:shared:editor-data, sandbox-in-focus?:boolean, env:address:shared:programming-environment-data<span class="muRecipe"> -> </span>screen:address:shared:screen [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
<span class="Constant"> <update-cursor-special-cases></span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> sandbox-in-focus?
cursor-row:number<span class="Special"> <- </span>get *recipes, <span class="Constant">cursor-row:offset</span>
cursor-column:number<span class="Special"> <- </span>get *recipes, <span class="Constant">cursor-column:offset</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
<span class="muControl">break-unless</span> sandbox-in-focus?
cursor-row:number<span class="Special"> <- </span>get *current-sandbox, <span class="Constant">cursor-row:offset</span>
cursor-column:number<span class="Special"> <- </span>get *current-sandbox, <span class="Constant">cursor-column:offset</span>
<span class="Delimiter">}</span>
screen<span class="Special"> <- </span>move-cursor screen, cursor-row, cursor-column
]
<span class="Comment"># print a text 's' to 'editor' in 'color' starting at 'row'</span>
<span class="Comment"># clear rest of last line, move cursor to next line</span>
<span class="muRecipe">recipe</span> render screen:address:shared:screen, s:address:shared:array:character, left:number, right:number, color:number, row:number<span class="muRecipe"> -> </span>row:number, screen:address:shared:screen [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
<span class="muControl">reply-unless</span> s
column:number<span class="Special"> <- </span>copy left
screen<span class="Special"> <- </span>move-cursor screen, row, column
screen-height:number<span class="Special"> <- </span>screen-height screen
i:number<span class="Special"> <- </span>copy <span class="Constant">0</span>
len:number<span class="Special"> <- </span>length *s
<span class="Delimiter">{</span>
<span class="Constant"> +next-character</span>
done?:boolean<span class="Special"> <- </span>greater-or-equal i, len
<span class="muControl">break-if</span> done?
done?<span class="Special"> <- </span>greater-or-equal row, screen-height
<span class="muControl">break-if</span> done?
c:character<span class="Special"> <- </span>index *s, i
<span class="Delimiter">{</span>
<span class="Comment"># at right? wrap.</span>
at-right?:boolean<span class="Special"> <- </span>equal column, right
<span class="muControl">break-unless</span> at-right?
<span class="Comment"># print wrap icon</span>
wrap-icon:character<span class="Special"> <- </span>copy <span class="Constant">8617/loop-back-to-left</span>
print screen, wrap-icon, <span class="Constant">245/grey</span>
column<span class="Special"> <- </span>copy left
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
screen<span class="Special"> <- </span>move-cursor screen, row, column
<span class="muControl">loop</span> <span class="Constant">+next-character:label</span> <span class="Comment"># retry i</span>
<span class="Delimiter">}</span>
i<span class="Special"> <- </span>add i, <span class="Constant">1</span>
<span class="Delimiter">{</span>
<span class="Comment"># newline? move to left rather than 0</span>
newline?:boolean<span class="Special"> <- </span>equal c, <span class="Constant">10/newline</span>
<span class="muControl">break-unless</span> newline?
<span class="Comment"># clear rest of line in this window</span>
<span class="Delimiter">{</span>
done?:boolean<span class="Special"> <- </span>greater-than column, right
<span class="muControl">break-if</span> done?
space:character<span class="Special"> <- </span>copy <span class="Constant">32/space</span>
print screen, space
column<span class="Special"> <- </span>add column, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
column<span class="Special"> <- </span>copy left
screen<span class="Special"> <- </span>move-cursor screen, row, column
<span class="muControl">loop</span> <span class="Constant">+next-character:label</span>
<span class="Delimiter">}</span>
print screen, c, color
column<span class="Special"> <- </span>add column, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
was-at-left?:boolean<span class="Special"> <- </span>equal column, left
clear-line-delimited screen, column, right
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> was-at-left?
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
<span class="Delimiter">}</span>
move-cursor screen, row, left
]
<span class="Comment"># like 'render' for texts, but with colorization for comments like in the editor</span>
<span class="muRecipe">recipe</span> render-code screen:address:shared:screen, s:address:shared:array:character, left:number, right:number, row:number<span class="muRecipe"> -> </span>row:number, screen:address:shared:screen [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
<span class="muControl">reply-unless</span> s
color:number<span class="Special"> <- </span>copy <span class="Constant">7/white</span>
column:number<span class="Special"> <- </span>copy left
screen<span class="Special"> <- </span>move-cursor screen, row, column
screen-height:number<span class="Special"> <- </span>screen-height screen
i:number<span class="Special"> <- </span>copy <span class="Constant">0</span>
len:number<span class="Special"> <- </span>length *s
<span class="Delimiter">{</span>
<span class="Constant"> +next-character</span>
done?:boolean<span class="Special"> <- </span>greater-or-equal i, len
<span class="muControl">break-if</span> done?
done?<span class="Special"> <- </span>greater-or-equal row, screen-height
<span class="muControl">break-if</span> done?
c:character<span class="Special"> <- </span>index *s, i
<span class="Constant"><character-c-received></span> <span class="Comment"># only line different from render</span>
<span class="Delimiter">{</span>
<span class="Comment"># at right? wrap.</span>
at-right?:boolean<span class="Special"> <- </span>equal column, right
<span class="muControl">break-unless</span> at-right?
<span class="Comment"># print wrap icon</span>
wrap-icon:character<span class="Special"> <- </span>copy <span class="Constant">8617/loop-back-to-left</span>
print screen, wrap-icon, <span class="Constant">245/grey</span>
column<span class="Special"> <- </span>copy left
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
screen<span class="Special"> <- </span>move-cursor screen, row, column
<span class="muControl">loop</span> <span class="Constant">+next-character:label</span> <span class="Comment"># retry i</span>
<span class="Delimiter">}</span>
i<span class="Special"> <- </span>add i, <span class="Constant">1</span>
<span class="Delimiter">{</span>
<span class="Comment"># newline? move to left rather than 0</span>
newline?:boolean<span class="Special"> <- </span>equal c, <span class="Constant">10/newline</span>
<span class="muControl">break-unless</span> newline?
<span class="Comment"># clear rest of line in this window</span>
<span class="Delimiter">{</span>
done?:boolean<span class="Special"> <- </span>greater-than column, right
<span class="muControl">break-if</span> done?
space:character<span class="Special"> <- </span>copy <span class="Constant">32/space</span>
print screen, space
column<span class="Special"> <- </span>add column, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
column<span class="Special"> <- </span>copy left
screen<span class="Special"> <- </span>move-cursor screen, row, column
<span class="muControl">loop</span> <span class="Constant">+next-character:label</span>
<span class="Delimiter">}</span>
print screen, c, color
column<span class="Special"> <- </span>add column, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
was-at-left?:boolean<span class="Special"> <- </span>equal column, left
clear-line-delimited screen, column, right
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> was-at-left?
row<span class="Special"> <- </span>add row, <span class="Constant">1</span>
<span class="Delimiter">}</span>
move-cursor screen, row, left
]
<span class="Comment"># ctrl-l - redraw screen (just in case it printed junk somehow)</span>
<span class="muRecipe">after</span> <span class="Constant"><global-type></span> [
<span class="Delimiter">{</span>
redraw-screen?:boolean<span class="Special"> <- </span>equal *c, <span class="Constant">12/ctrl-l</span>
<span class="muControl">break-unless</span> redraw-screen?
screen<span class="Special"> <- </span>render-all screen, env:address:shared:programming-environment-data
sync-screen screen
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
]
<span class="Comment"># ctrl-n - switch focus</span>
<span class="Comment"># todo: test this</span>
<span class="muRecipe">after</span> <span class="Constant"><global-type></span> [
<span class="Delimiter">{</span>
switch-side?:boolean<span class="Special"> <- </span>equal *c, <span class="Constant">14/ctrl-n</span>
<span class="muControl">break-unless</span> switch-side?
*sandbox-in-focus?<span class="Special"> <- </span>not *sandbox-in-focus?
screen<span class="Special"> <- </span>update-cursor screen, recipes, current-sandbox, *sandbox-in-focus?, env
<span class="muControl">loop</span> <span class="Constant">+next-event:label</span>
<span class="Delimiter">}</span>
]
<span class="SalientComment">## helpers</span>
<span class="muRecipe">recipe</span> draw-vertical screen:address:shared:screen, col:number, y:number, bottom:number<span class="muRecipe"> -> </span>screen:address:shared:screen [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
style:character, style-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
<span class="Delimiter">{</span>
<span class="muControl">break-if</span> style-found?
style<span class="Special"> <- </span>copy <span class="Constant">9474/vertical</span>
<span class="Delimiter">}</span>
color:number, color-found?:boolean<span class="Special"> <- </span><span class="Constant">next-ingredient</span>
<span class="Delimiter">{</span>
<span class="Comment"># default color to white</span>
<span class="muControl">break-if</span> color-found?
color<span class="Special"> <- </span>copy <span class="Constant">245/grey</span>
<span class="Delimiter">}</span>
<span class="Delimiter">{</span>
continue?:boolean<span class="Special"> <- </span>lesser-than y, bottom
<span class="muControl">break-unless</span> continue?
screen<span class="Special"> <- </span>move-cursor screen, y, col
print screen, style, color
y<span class="Special"> <- </span>add y, <span class="Constant">1</span>
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
]
</pre>
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