extract a couple of methods

Dependencies

• [2] OYXDYPGS get rid of debug variables
• [3] HMODUNJE scroll on backspace
• [4] ZPUQSPQP extract a few methods
• [5] WLHI7KD3 new globals: draw partial screen line up top
• [6] H2DPLWMV snapshot: wrapping long lines at word boundaries
• [7] QYIFOHW3 first test!
• [8] 2RXZ3PGO beginning of a new approach to scroll+wrap
• [9] JY4VK7L2 rename
• [10] LERERVPH keep one screen line of overlap on pagedown
• [11] SVJZZDC3 snapshot - no, that's all wrong
• [12] A2NV3WVO scrolling with up arrow
• [13] KECEMMMR extract couple of functions
• [14] JRGTJ2IW quite the frustrating bugfix
• [15] XNFTJHC4 split keyboard handling between Text and Drawing
• [*] BULPIBEG beginnings of a module for the text editor
• [*] 3OKKTUT4 up and down arrow now moving by screen line where possible

Change contents

• replacement in text.lua at line 33
  [5.74]→[5.74:180](∅→∅)
  − if line_index > Screen_top1.line or (line_index == Screen_top1.line and pos > Screen_top1.pos) then
  [5.74]

  [5.83]
  + if Text.lt1(Screen_top1, {line=line_index, pos=pos}) then
• replacement in text.lua at line 46
  [5.427]→[5.380:485](∅→∅)
  − if line_index > Screen_top1.line or (line_index == Screen_top1.line and pos >= Screen_top1.pos) then
  [5.427]

  [2.20]
  + if Text.le1(Screen_top1, {line=line_index, pos=pos}) then
• replacement in text.lua at line 940
  [3.2866]→[3.2866:2982](∅→∅)
  − if Cursor1.line < Screen_top1.line or (Cursor1.line == Screen_top1.line and Cursor1.pos < Screen_top1.pos) then
  [3.2866]

  [3.2982]
  + if Text.lt1(Cursor1, Screen_top1) then
• replacement in text.lua at line 945
  [5.3000]→[3.3104:3221](∅→∅)
  − assert(Cursor1.line > Screen_top1.line or (Cursor1.line == Screen_top1.line and Cursor1.pos >= Screen_top1.pos))
  [5.3000]

  [5.3000]
  + assert(Text.le1(Screen_top1, Cursor1))
• replacement in text.lua at line 1113
  [4.3772]→[4.3772:3898](∅→∅)
  − if Cursor1.line > Screen_bottom1.line or (Cursor1.line == Screen_bottom1.line and Cursor1.pos >= Screen_bottom1.pos) then
  [4.3772]

  [4.3898]
  + if Text.le1(Screen_bottom1, Cursor1) then
• edit in text.lua at line 1431
  [5.8443]

  [18.1386]
  + end

  +

  + function Text.lt1(a, b)

  + if a.line < b.line then

  + return true

  + end

  + if a.line > b.line then

  + return false

  + end

  + return a.pos < b.pos
• edit in text.lua at line 1443
  [18.1391]

  [18.1391]
  + function Text.le1(a, b)

  + if a.line < b.line then

  + return true

  + end

  + if a.line > b.line then

  + return false

  + end

  + return a.pos <= b.pos

  + end

  +