Merge lines.love

Dependencies

• [2] EFSO7K7S Merge lines.love
• [3] GNQC72UX generalize a function
• [4] 2LEXWUW3 get rid of some ridiculous code
• [5] Z5HLXU4P add state arg to a few functions
• [6] WLJCIXYM add state arg to a few functions
• [7] 2TQR4PSY add args to some functions
• [8] LF7BWEG4 group all editor globals
• [9] SVJZZDC3 snapshot - no, that's all wrong
• [10] MXA3RZYK deduce left/right from state where possible
• [11] PR4KIAZD first stab at equally hacky cursor down support
• [12] MD3W5IRA new fork: rip out drawing support
• [13] MUJTM6RE bring back a level of wrapping
• [14] NHNP76LG swap return values
• [15] S63M6DMQ dead code
• [16] ELJNEPW2 simplify cursor-on-screen check
• [17] CPZGQT72 go through and fix similar issues
• [18] TGHAJBES use line cache for drawings as well
• [19] MDXGMZU2 disable all debug prints
• [20] V5MJRFOZ bugfix: down arrow doesn't scroll up unnecessarily
• [21] ZPUQSPQP extract a few methods
• [22] HTWAM4NZ bugfix: scrolling in left/right movements
• [23] MP2TBKU6 bugfix: crash in Text.up() after return
• [24] T57DTBX6 add args to some functions
• [25] XNFTJHC4 split keyboard handling between Text and Drawing
• [*] BULPIBEG beginnings of a module for the text editor

Change contents

• edit in text.lua at line 429
  [5.4502]→[5.4502:4881](∅→∅),[5.1705]→[5.2443:2453](∅→∅),[5.4881]→[5.2443:2453](∅→∅),[5.2443]→[5.2443:2453](∅→∅)
  − --? print('previous screen line starts at pos '..tostring(screen_line_starting_pos)..' of its line')

  − if State.screen_top1.line > State.cursor1.line then

  − State.screen_top1.line = State.cursor1.line

  − State.screen_top1.pos = screen_line_starting_pos

  − --? print('pos of top of screen is also '..tostring(State.screen_top1.pos)..' of the same line')

  − end
• resurrect zombie in text.lua at line 437
  [5.2441]→[5.4197:4427](∅→∅),[5.2441]→[5.4197:4427](∅→∅)
  + local new_screen_line_starting_byte_offset = Text.offset(State.lines[State.cursor1.line].data, new_screen_line_starting_pos)

  + local s = string.sub(State.lines[State.cursor1.line].data, new_screen_line_starting_byte_offset)
• edit in text.lua at line 495
  [5.4849]→[2.4:4](∅→∅),[5.4849]→[2.4:4](∅→∅),[2.4]→[5.209:273](∅→∅),[5.7851]→[5.209:273](∅→∅),[5.7851]→[5.209:273](∅→∅)
  −

  − local botpos = Text.pos_at_start_of_cursor_screen_line(State)