diff options
Diffstat (limited to 'edit/012-editor-undo.mu')
| -rw-r--r-- | edit/012-editor-undo.mu | 574 |
1 files changed, 292 insertions, 282 deletions
diff --git a/edit/012-editor-undo.mu b/edit/012-editor-undo.mu index 428d51ca..48179c63 100644 --- a/edit/012-editor-undo.mu +++ b/edit/012-editor-undo.mu @@ -99,21 +99,21 @@ after <handle-special-character> [ # undo typing scenario editor-can-undo-typing [ + local-scope # create an editor and type a character assume-screen 10/width, 5/height - 1:text <- new [] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [], screen:&:screen, 0/left, 10/right + editor-render screen, e assume-console [ type [0] ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # character should be gone screen-should-contain [ @@ -127,7 +127,7 @@ scenario editor-can-undo-typing [ type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -229,21 +229,21 @@ after <handle-undo> [ ] scenario editor-can-undo-typing-multiple [ + local-scope # create an editor and type multiple characters assume-screen 10/width, 5/height - 1:text <- new [] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [], screen:&:screen, 0/left, 10/right + editor-render screen, e assume-console [ type [012] ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # all characters must be gone screen-should-contain [ @@ -255,16 +255,16 @@ scenario editor-can-undo-typing-multiple [ ] scenario editor-can-undo-typing-multiple-2 [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [a] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [a], screen:&:screen, 0/left, 10/right + editor-render screen, e # type some characters assume-console [ type [012] ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . .012a . @@ -276,7 +276,7 @@ scenario editor-can-undo-typing-multiple-2 [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # back to original text screen-should-contain [ @@ -290,7 +290,7 @@ scenario editor-can-undo-typing-multiple-2 [ type [3] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -301,17 +301,17 @@ scenario editor-can-undo-typing-multiple-2 [ ] scenario editor-can-undo-typing-enter [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [ abc] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [ abc], screen:&:screen, 0/left, 10/right + editor-render screen, e # new line assume-console [ left-click 1, 8 press enter ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . . abc . @@ -320,8 +320,8 @@ scenario editor-can-undo-typing-enter [ . . ] # line is indented - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 2 @@ -331,10 +331,10 @@ scenario editor-can-undo-typing-enter [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 5 @@ -351,7 +351,7 @@ scenario editor-can-undo-typing-enter [ type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -364,16 +364,16 @@ scenario editor-can-undo-typing-enter [ # redo typing scenario editor-redo-typing [ + local-scope # create an editor, type something, undo assume-screen 10/width, 5/height - 1:text <- new [a] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [a], screen:&:screen, 0/left, 10/right + editor-render screen, e assume-console [ type [012] press ctrl-z ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . .a . @@ -385,7 +385,7 @@ scenario editor-redo-typing [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # all characters must be back screen-should-contain [ @@ -399,7 +399,7 @@ scenario editor-redo-typing [ type [3] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -428,16 +428,16 @@ after <handle-redo> [ ] scenario editor-redo-typing-empty [ + local-scope # create an editor, type something, undo assume-screen 10/width, 5/height - 1:text <- new [] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [], screen:&:screen, 0/left, 10/right + editor-render screen, e assume-console [ type [012] press ctrl-z ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . . . @@ -449,7 +449,7 @@ scenario editor-redo-typing-empty [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # all characters must be back screen-should-contain [ @@ -463,7 +463,7 @@ scenario editor-redo-typing-empty [ type [3] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -474,23 +474,24 @@ scenario editor-redo-typing-empty [ ] scenario editor-work-clears-redo-stack [ + local-scope # create an editor with some text, do some work, undo assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e assume-console [ type [1] press ctrl-z ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # do some more work assume-console [ type [0] ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . .0abc . @@ -503,7 +504,7 @@ ghi] press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # nothing should happen screen-should-contain [ @@ -516,11 +517,11 @@ ghi] ] scenario editor-can-redo-typing-and-enter-and-tab [ + local-scope # create an editor assume-screen 10/width, 5/height - 1:text <- new [] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [], screen:&:screen, 0/left, 10/right + editor-render screen, e # insert some text and tabs, hit enter, some more text and tabs assume-console [ press tab @@ -531,7 +532,7 @@ scenario editor-can-redo-typing-and-enter-and-tab [ press tab type [efg] ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . . ab cd . @@ -539,8 +540,8 @@ scenario editor-can-redo-typing-and-enter-and-tab [ .┈┈┈┈┈┈┈┈┈┈. . . ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 7 @@ -550,11 +551,11 @@ scenario editor-can-redo-typing-and-enter-and-tab [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # typing in second line deleted, but not indent - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 2 @@ -571,11 +572,11 @@ scenario editor-can-redo-typing-and-enter-and-tab [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # indent and newline deleted - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 8 @@ -591,11 +592,11 @@ scenario editor-can-redo-typing-and-enter-and-tab [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # empty screen - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 0 @@ -611,11 +612,11 @@ scenario editor-can-redo-typing-and-enter-and-tab [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # first line inserted - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 8 @@ -631,11 +632,11 @@ scenario editor-can-redo-typing-and-enter-and-tab [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # newline and indent inserted - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 2 @@ -652,11 +653,11 @@ scenario editor-can-redo-typing-and-enter-and-tab [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # indent and newline deleted - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 7 @@ -673,28 +674,29 @@ scenario editor-can-redo-typing-and-enter-and-tab [ # undo cursor movement and scroll scenario editor-can-undo-touch [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # move the cursor assume-console [ left-click 3, 1 ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # click undone + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 0 @@ -704,7 +706,7 @@ ghi] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -763,21 +765,22 @@ after <handle-undo> [ ] scenario editor-can-undo-scroll [ + local-scope # screen has 1 line for menu + 3 lines assume-screen 5/width, 4/height # editor contains a wrapped line - 1:text <- new [a + contents:text <- new [a b cdefgh] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 5/right + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 5/right # position cursor at end of screen and try to move right assume-console [ left-click 3, 3 press right-arrow ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset # screen scrolls screen-should-contain [ . . @@ -794,11 +797,11 @@ cdefgh] press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # cursor moved back + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 3 4 <- 3 @@ -815,7 +818,7 @@ cdefgh] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -826,29 +829,30 @@ cdefgh] ] scenario editor-can-undo-left-arrow [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # move the cursor assume-console [ left-click 3, 1 press left-arrow ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # cursor moves back + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 3 4 <- 1 @@ -858,7 +862,7 @@ ghi] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -870,21 +874,22 @@ ghi] ] scenario editor-can-undo-up-arrow [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # move the cursor assume-console [ left-click 3, 1 press up-arrow ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 1 @@ -894,11 +899,11 @@ ghi] press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # cursor moves back + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 3 4 <- 1 @@ -908,7 +913,7 @@ ghi] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -920,29 +925,30 @@ ghi] ] scenario editor-can-undo-down-arrow [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # move the cursor assume-console [ left-click 2, 1 press down-arrow ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # cursor moves back + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 1 @@ -952,7 +958,7 @@ ghi] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -964,29 +970,28 @@ ghi] ] scenario editor-can-undo-ctrl-f [ + local-scope # create an editor with multiple pages of text assume-screen 10/width, 5/height - 1:text <- new [a + contents:text <- new [a b c d e f] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # scroll the page assume-console [ press ctrl-f ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # screen should again show page 1 screen-should-contain [ @@ -999,29 +1004,28 @@ f] ] scenario editor-can-undo-page-down [ + local-scope # create an editor with multiple pages of text assume-screen 10/width, 5/height - 1:text <- new [a + contents:text <- new [a b c d e f] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # scroll the page assume-console [ press page-down ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # screen should again show page 1 screen-should-contain [ @@ -1034,30 +1038,29 @@ f] ] scenario editor-can-undo-ctrl-b [ + local-scope # create an editor with multiple pages of text assume-screen 10/width, 5/height - 1:text <- new [a + contents:text <- new [a b c d e f] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # scroll the page down and up assume-console [ press page-down press ctrl-b ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # screen should again show page 2 screen-should-contain [ @@ -1070,30 +1073,29 @@ f] ] scenario editor-can-undo-page-up [ + local-scope # create an editor with multiple pages of text assume-screen 10/width, 5/height - 1:text <- new [a + contents:text <- new [a b c d e f] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # scroll the page down and up assume-console [ press page-down press page-up ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # screen should again show page 2 screen-should-contain [ @@ -1106,29 +1108,30 @@ f] ] scenario editor-can-undo-ctrl-a [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # move the cursor, then to start of line assume-console [ left-click 2, 1 press ctrl-a ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # cursor moves back + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 1 @@ -1138,7 +1141,7 @@ ghi] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -1150,29 +1153,30 @@ ghi] ] scenario editor-can-undo-home [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # move the cursor, then to start of line assume-console [ left-click 2, 1 press home ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # cursor moves back + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 1 @@ -1182,7 +1186,7 @@ ghi] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -1194,29 +1198,30 @@ ghi] ] scenario editor-can-undo-ctrl-e [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # move the cursor, then to start of line assume-console [ left-click 2, 1 press ctrl-e ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # cursor moves back + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 1 @@ -1226,7 +1231,7 @@ ghi] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -1238,29 +1243,30 @@ ghi] ] scenario editor-can-undo-end [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # move the cursor, then to start of line assume-console [ left-click 2, 1 press end ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # undo assume-console [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # cursor moves back + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 1 @@ -1270,7 +1276,7 @@ ghi] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -1282,13 +1288,14 @@ ghi] ] scenario editor-can-undo-multiple-arrows-in-the-same-direction [ + local-scope # create an editor with some text assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # move the cursor assume-console [ left-click 2, 1 @@ -1296,9 +1303,9 @@ ghi] press right-arrow press up-arrow ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 3 @@ -1308,11 +1315,11 @@ ghi] press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # up-arrow is undone + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 3 @@ -1322,11 +1329,11 @@ ghi] press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # both right-arrows are undone + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 2 4 <- 1 @@ -1336,28 +1343,29 @@ ghi] # redo cursor movement and scroll scenario editor-redo-touch [ + local-scope # create an editor with some text, click on a character, undo assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def ghi] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e assume-console [ left-click 3, 1 press ctrl-z ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e # redo assume-console [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e ] # cursor moves to left-click + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 3 4 <- 1 @@ -1367,7 +1375,7 @@ ghi] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -1393,19 +1401,19 @@ after <handle-redo> [ ] scenario editor-separates-undo-insert-from-undo-cursor-move [ + local-scope # create an editor, type some text, move the cursor, type some more text assume-screen 10/width, 5/height - 1:text <- new [] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [], screen:&:screen, 0/left, 10/right + editor-render screen, e assume-console [ type [abc] left-click 1, 1 type [d] ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset screen-should-contain [ . . .adbc . @@ -1421,9 +1429,9 @@ scenario editor-separates-undo-insert-from-undo-cursor-move [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset ] # last letter typed is deleted screen-should-contain [ @@ -1441,9 +1449,9 @@ scenario editor-separates-undo-insert-from-undo-cursor-move [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset ] # no change to screen; cursor moves screen-should-contain [ @@ -1461,9 +1469,9 @@ scenario editor-separates-undo-insert-from-undo-cursor-move [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset ] # screen empty screen-should-contain [ @@ -1481,9 +1489,9 @@ scenario editor-separates-undo-insert-from-undo-cursor-move [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset ] # first insert screen-should-contain [ @@ -1501,9 +1509,9 @@ scenario editor-separates-undo-insert-from-undo-cursor-move [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset ] # cursor moves screen-should-contain [ @@ -1522,9 +1530,9 @@ scenario editor-separates-undo-insert-from-undo-cursor-move [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + editor-event-loop screen:&:screen, console:&:console, e + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset ] # second insert screen-should-contain [ @@ -1542,26 +1550,26 @@ scenario editor-separates-undo-insert-from-undo-cursor-move [ # undo backspace scenario editor-can-undo-and-redo-backspace [ + local-scope # create an editor assume-screen 10/width, 5/height - 1:text <- new [] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [], screen:&:screen, 0/left, 10/right + editor-render screen, e # insert some text and hit backspace assume-console [ type [abc] press backspace press backspace ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . .a . .┈┈┈┈┈┈┈┈┈┈. . . ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 1 @@ -1571,10 +1579,10 @@ scenario editor-can-undo-and-redo-backspace [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 3 @@ -1590,10 +1598,10 @@ scenario editor-can-undo-and-redo-backspace [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 1 @@ -1687,11 +1695,11 @@ after <handle-redo> [ # undo delete scenario editor-can-undo-and-redo-delete [ + local-scope # create an editor assume-screen 10/width, 5/height - 1:text <- new [] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [], screen:&:screen, 0/left, 10/right + editor-render screen, e # insert some text and hit delete and backspace a few times assume-console [ type [abcdef] @@ -1701,15 +1709,15 @@ scenario editor-can-undo-and-redo-delete [ press delete press delete ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . .af . .┈┈┈┈┈┈┈┈┈┈. . . ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 1 @@ -1719,10 +1727,10 @@ scenario editor-can-undo-and-redo-delete [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 1 @@ -1738,10 +1746,10 @@ scenario editor-can-undo-and-redo-delete [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 2 @@ -1757,10 +1765,10 @@ scenario editor-can-undo-and-redo-delete [ press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 2 @@ -1776,11 +1784,11 @@ scenario editor-can-undo-and-redo-delete [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # first line inserted - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 2 @@ -1796,11 +1804,11 @@ scenario editor-can-undo-and-redo-delete [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # first line inserted - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 1 @@ -1816,11 +1824,11 @@ scenario editor-can-undo-and-redo-delete [ press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # first line inserted - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 1 @@ -1876,18 +1884,19 @@ before <delete-character-end> [ # undo ctrl-k scenario editor-can-undo-and-redo-ctrl-k [ + local-scope # create an editor assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # insert some text and hit delete and backspace a few times assume-console [ left-click 1, 1 press ctrl-k ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . .a . @@ -1895,8 +1904,8 @@ def] .┈┈┈┈┈┈┈┈┈┈. . . ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 1 @@ -1906,7 +1915,7 @@ def] press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -1915,8 +1924,8 @@ def] .┈┈┈┈┈┈┈┈┈┈. . . ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 1 @@ -1926,7 +1935,7 @@ def] press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # first line inserted screen-should-contain [ @@ -1936,8 +1945,8 @@ def] .┈┈┈┈┈┈┈┈┈┈. . . ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 1 @@ -1947,7 +1956,7 @@ def] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -1978,18 +1987,19 @@ before <delete-to-end-of-line-end> [ # undo ctrl-u scenario editor-can-undo-and-redo-ctrl-u [ + local-scope # create an editor assume-screen 10/width, 5/height - 1:text <- new [abc + contents:text <- new [abc def] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor contents, screen:&:screen, 0/left, 10/right + editor-render screen, e # insert some text and hit delete and backspace a few times assume-console [ left-click 1, 2 press ctrl-u ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . .c . @@ -1997,8 +2007,8 @@ def] .┈┈┈┈┈┈┈┈┈┈. . . ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 0 @@ -2008,7 +2018,7 @@ def] press ctrl-z ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -2017,8 +2027,8 @@ def] .┈┈┈┈┈┈┈┈┈┈. . . ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 2 @@ -2028,7 +2038,7 @@ def] press ctrl-y ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] # first line inserted screen-should-contain [ @@ -2038,8 +2048,8 @@ def] .┈┈┈┈┈┈┈┈┈┈. . . ] - 3:num <- get *2:&:editor, cursor-row:offset - 4:num <- get *2:&:editor, cursor-column:offset + 3:num/raw <- get *e, cursor-row:offset + 4:num/raw <- get *e, cursor-column:offset memory-should-contain [ 3 <- 1 4 <- 0 @@ -2049,7 +2059,7 @@ def] type [1] ] run [ - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e ] screen-should-contain [ . . @@ -2079,18 +2089,18 @@ before <delete-to-start-of-line-end> [ ] scenario editor-can-undo-and-redo-ctrl-u-2 [ + local-scope # create an editor assume-screen 10/width, 5/height - 1:text <- new [] - 2:&:editor <- new-editor 1:text, screen:&:screen, 0/left, 10/right - editor-render screen, 2:&:editor + e:&:editor <- new-editor [], screen:&:screen, 0/left, 10/right + editor-render screen, e # insert some text and hit delete and backspace a few times assume-console [ type [abc] press ctrl-u press ctrl-z ] - editor-event-loop screen:&:screen, console:&:console, 2:&:editor + editor-event-loop screen:&:screen, console:&:console, e screen-should-contain [ . . .abc . |