I feel confident now that page-down is working.

Dependencies

• [2] 2RXZ3PGO beginning of a new approach to scroll+wrap
• [3] Y36LOGR5 bugfix: show cursor when past end of line
• [4] 537TQ2QN some more logging
• [5] 3TFEAQSW start using some globals
• [6] 242L3OQX bugfix: ensure Cursor_line is always on a text line
• [7] EWMPYCDO bugfix
• [8] UWNHC4AA redo y computations
• [9] JY4VK7L2 rename
• [10] 4C375P53 this is a bit clearer
• [11] H2DPLWMV snapshot: wrapping long lines at word boundaries
• [12] B3IWYWSR delete another arg that can be deduced
• [13] DAENUOGV eliminate assumptions that line length == size in bytes
• [14] BULPIBEG beginnings of a module for the text editor
• [15] XNFTJHC4 split keyboard handling between Text and Drawing
• [16] DLQMM265 scroll past first page
• [17] BOFNXP5G clicking now moves the cursor even on long, wrapped lines
• [18] RTDYYP4H bugfix: text past cursor was rendered red on wrapped lines
• [19] 5DOC2CBM extract a function
• [*] WLHI7KD3 new globals: draw partial screen line up top
• [*] OTIBCAUJ love2d scaffold

Change contents

• edit in text.lua at line 8
  [3.1568]

  [3.1]
  + -- return values:

  + -- y coordinate drawn until in px

  + -- position of start of final screen line drawn
• edit in text.lua at line 17
  [3.1818]

  [3.1818]
  + local screen_line_starting_pos = 1
• edit in text.lua at line 31
  [21.119]

  [3.76]
  + if y + math.floor(15*Zoom) > Screen_height then

  + return y, screen_line_starting_pos

  + end

  + screen_line_starting_pos = pos
• replacement in text.lua at line 63
  [3.144]→[3.2661:2672](∅→∅),[3.275]→[3.2661:2672](∅→∅),[3.310]→[3.2661:2672](∅→∅),[3.37]→[3.2661:2672](∅→∅)
  − return y
  [3.310]

  [3.37]
  + return y, screen_line_starting_pos
• replacement in main.lua at line 144
  [3.213]→[3.285:337](∅→∅)
  − y = Text.draw(line, Line_width, line_index)
  [3.213]

  [3.56]
  + y, Screen_bottom1.pos = Text.draw(line, Line_width, line_index)
• edit in main.lua at line 149
  [22.416]

  [3.3453]
  + --? print('screen bottom: '..tostring(Screen_bottom1.pos)..' in '..tostring(Lines[Screen_bottom1.line].data))
• replacement in main.lua at line 220
  [2.9533]→[2.9533:9557](∅→∅)
  − Screen_top1.pos = 1
  [2.9533]

  [2.9557]
  + Screen_top1.pos = Screen_bottom1.pos