start passing left/right margins everywhere

Dependencies

• [2] 5DOTWNVM right margin
• [3] WOXIYUTL bugfix: manage screen_top and cursor when resizing
• [4] LFMI3D7D stop scanning from start of file on every App.draw
• [5] HOSPP2AN crisp font rendering
• [6] CVGE3SIG I feel confident now that page-down is working.
• [7] LERERVPH keep one screen line of overlap on pagedown
• [8] DHI6IJCN selecting text and deleting selections
• [9] LAW2O3NW extract variable Margin_left
• [10] MYC7XR5Q bugfix: lines that aren't drawn from the start
• [11] PX7DDEMO autosave slightly less aggressively
• [12] 537TQ2QN some more logging
• [13] JY4VK7L2 rename
• [14] QYIFOHW3 first test!
• [15] AYE2VEGJ extract a couple of methods
• [16] K464QQR4 more defensive resize handling
• [17] 4VKEE43Z bugfix
• [18] DLQMM265 scroll past first page
• [19] BZRRUIFQ correct location of the line width slider
• [20] R53OF3ON one bug I've repeatedly run into while testing with Moby Dick
• [21] H2DPLWMV snapshot: wrapping long lines at word boundaries
• [22] 2H67P75X switch arg for a function
• [23] XX7G2FFJ intermingle freehand line drawings with text
• [24] WLHI7KD3 new globals: draw partial screen line up top
• [25] 3TFEAQSW start using some globals
• [26] IMEJA43L snapshot
• [27] A2NV3WVO scrolling with up arrow
• [28] 2ZRC7FUL .
• [29] PR4KIAZD first stab at equally hacky cursor down support
• [30] BULPIBEG beginnings of a module for the text editor
• [31] JRGTJ2IW quite the frustrating bugfix
• [32] MDXGMZU2 disable all debug prints
• [33] M6TH7VSZ rip out notion of Line_width
• [*] OTIBCAUJ love2d scaffold

Change contents

• replacement in text.lua at line 14
  [5.103]→[5.705:742](∅→∅)
  − function Text.draw(line, line_index)
  [5.103]

  [5.1129]
  + function Text.draw(line, line_index, top, left, right)
• replacement in text.lua at line 18
  [5.1768]→[5.2178:2202](∅→∅),[5.2202]→[5.989:1013](∅→∅)
  − local x = Margin_left

  − local y = line.starty
  [5.1768]

  [5.1802]
  + local x = left

  + local y = top
• replacement in text.lua at line 33
  [5.26]→[2.3411:3738](∅→∅),[5.1078]→[5.2203:2255](∅→∅),[2.3738]→[5.2203:2255](∅→∅),[5.2108]→[5.2203:2255](∅→∅)
  − --? print('('..s(x)..','..s(y)..') '..frag..'('..s(frag_width)..' vs '..s(App.screen.width-Margin_right)..') '..s(line_index)..' vs '..s(Screen_top1.line)..'; '..s(pos)..' vs '..s(Screen_top1.pos)..'; bottom: '..s(Screen_bottom1.line)..'/'..s(Screen_bottom1.pos))

  − if x + frag_width > App.screen.width-Margin_right then

  − assert(x > Margin_left) -- no overfull lines
  [5.26]

  [5.1]
  + --? print('('..s(x)..','..s(y)..') '..frag..'('..s(frag_width)..' vs '..s(right)..') '..s(line_index)..' vs '..s(Screen_top1.line)..'; '..s(pos)..' vs '..s(Screen_top1.pos)..'; bottom: '..s(Screen_bottom1.line)..'/'..s(Screen_bottom1.pos))

  + if x + frag_width > right then

  + assert(x > left) -- no overfull lines
• replacement in text.lua at line 46
  [5.129]→[5.2256:2278](∅→∅)
  − x = Margin_left
  [5.129]

  [5.2198]
  + x = left
• replacement in text.lua at line 920
  [5.3998]→[3.3:47](∅→∅)
  − function Text.tweak_screen_top_and_cursor()
  [5.3998]

  [3.47]
  + function Text.tweak_screen_top_and_cursor(left, right)
• replacement in main.lua at line 194
  [3.1343]→[3.1343:1380](∅→∅)
  − Text.tweak_screen_top_and_cursor()
  [3.1343]

  [5.154]
  + Text.tweak_screen_top_and_cursor(Margin_left, App.screen.height-Margin_right)
• replacement in main.lua at line 275
  [4.1416]→[4.1416:1474](∅→∅)
  − y, Screen_bottom1.pos = Text.draw(line, line_index)
  [4.1416]

  [4.1474]
  + y, Screen_bottom1.pos = Text.draw(line, line_index, line.starty, Margin_left, App.screen.width-Margin_right)