bugfix: search upwards

Dependencies

• [2] MSOQI3A5 bugfix: check before cursor on same line
• [3] LXTTOB33 extract a couple of files
• [4] 5ZA3BRNY add state arg to a few functions
• [5] LF7BWEG4 group all editor globals

Change contents

• edit in text_tests.lua at line 2049
  [2.3]

  [2.3]
  + function test_search_upwards()

  + io.write('\ntest_search_upwards')

  + App.screen.init{width=120, height=60}

  + Editor_state = edit.initialize_test_state()

  + Editor_state.lines = load_array{'abc abd'}

  + Text.redraw_all(Editor_state)

  + Editor_state.cursor1 = {line=1, pos=2}

  + Editor_state.screen_top1 = {line=1, pos=1}

  + Editor_state.screen_bottom1 = {}

  + edit.draw(Editor_state)

  + -- search for a string

  + edit.run_after_keychord(Editor_state, 'C-f')

  + edit.run_after_textinput(Editor_state, 'a')

  + -- search for previous occurrence

  + edit.run_after_keychord(Editor_state, 'up')

  + check_eq(Editor_state.cursor1.line, 1, 'F - test_search_upwards/2/cursor:line')

  + check_eq(Editor_state.cursor1.pos, 1, 'F - test_search_upwards/2/cursor:pos')

  + end

  +
• replacement in search.lua at line 82
  [3.50784]→[3.1073:1169](∅→∅)
  − local pos = rfind(State.lines[State.cursor1.line].data, State.search_term, State.cursor1.pos)
  [3.50784]

  [3.50856]
  + local pos = rfind(State.lines[State.cursor1.line].data, State.search_term, State.cursor1.pos-1)