bugfix: clicking on empty lines

Dependencies

• [2] 7NQCCB34 .
• [3] 6J3NXBYG affordance to adjust width for word wrap
• [4] 7IKRRESB longer names for indices in long loops
• [5] DLQMM265 scroll past first page
• [6] 2RXZ3PGO beginning of a new approach to scroll+wrap
• [7] UWNHC4AA redo y computations
• [*] LXTTOB33 extract a couple of files
• [*] Y2ZIPXEM new test
• [*] OTIBCAUJ love2d scaffold

Change contents

• edit in text_tests.lua at line 79
  [2.105]

  [10.524]
  + end

  +

  + function test_click_with_mouse_on_empty_line()

  + io.write('\ntest_click_with_mouse_on_empty_line')

  + -- display two lines with the first one empty

  + App.screen.init{width=50, height=80}

  + Lines = load_array{'', 'def'}

  + Margin_right = 0; Margin_width = Margin_left

  + Cursor1 = {line=2, pos=1}

  + Screen_top1 = {line=1, pos=1}

  + Screen_bottom1 = {}

  + -- click on the empty line

  + App.draw()

  + App.run_after_mouse_click(Margin_left+8,Margin_top+5, 1)

  + -- cursor moves

  + check_eq(Cursor1.line, 1, 'F - test_click_with_mouse_on_empty_line/cursor')
• replacement in main.lua at line 242
  [4.759]→[4.19:38](∅→∅)
  − line.y = y
  [4.759]

  [3.275]
  + line.starty = y

  + line.startpos = 1