extract a couple more methods

Dependencies

• [2] AMSESRTH move some code
• [3] ZPUQSPQP extract a few methods
• [*] BULPIBEG beginnings of a module for the text editor

Change contents

• replacement in text.lua at line 996
  [2.33]→[2.33:859](∅→∅)
  − -- duplicate some logic from love.draw

  − local top2 = Text.to2(Screen_top1)

  − --? print(App.screen.height)

  − local y = App.screen.height - math.floor(15*Zoom)

  − while y >= 15 do

  − --? print(y, top2.line)

  − if Screen_top1.line == 1 and Screen_top1.pos == 1 then break end

  − if Lines[Screen_top1.line].mode == 'text' then

  − y = y - math.floor(15*Zoom)

  − elseif Lines[Screen_top1.line].mode == 'drawing' then

  − y = y - 20 - Drawing.pixels(Lines[Screen_top1.line].h)

  − end

  − top2 = Text.previous_screen_line(top2)

  − end

  − Screen_top1 = Text.to1(top2)

  − Cursor1.line = Screen_top1.line

  − Cursor1.pos = Screen_top1.pos

  − Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary()

  − --? print(Cursor1.line, Cursor1.pos, Screen_top1.line, Screen_top1.pos)
  [2.33]

  [2.859]
  + Text.pageup()
• replacement in text.lua at line 998
  [2.893]→[2.893:1238](∅→∅)
  − Screen_top1.line = Screen_bottom1.line

  − Screen_top1.pos = Screen_bottom1.pos

  − --? print('setting top to', Screen_top1.line, Screen_top1.pos)

  − Cursor1.line = Screen_top1.line

  − Cursor1.pos = Screen_top1.pos

  − Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary()

  − --? print('top now', Screen_top1.line)
  [2.893]

  [3.77]
  + Text.pagedown()

  + end

  + end

  +

  + function Text.pageup()

  + -- duplicate some logic from love.draw

  + local top2 = Text.to2(Screen_top1)

  + --? print(App.screen.height)

  + local y = App.screen.height - math.floor(15*Zoom)

  + while y >= 15 do

  + --? print(y, top2.line)

  + if Screen_top1.line == 1 and Screen_top1.pos == 1 then break end

  + if Lines[Screen_top1.line].mode == 'text' then

  + y = y - math.floor(15*Zoom)

  + elseif Lines[Screen_top1.line].mode == 'drawing' then

  + y = y - 20 - Drawing.pixels(Lines[Screen_top1.line].h)

  + end

  + top2 = Text.previous_screen_line(top2)
• edit in text.lua at line 1017
  [3.83]

  [3.83]
  + Screen_top1 = Text.to1(top2)

  + Cursor1.line = Screen_top1.line

  + Cursor1.pos = Screen_top1.pos

  + Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary()

  + --? print(Cursor1.line, Cursor1.pos, Screen_top1.line, Screen_top1.pos)
• edit in text.lua at line 1024
  [3.88]

  [3.88]
  + function Text.pagedown()

  + Screen_top1.line = Screen_bottom1.line

  + Screen_top1.pos = Screen_bottom1.pos

  + --? print('setting top to', Screen_top1.line, Screen_top1.pos)

  + Cursor1.line = Screen_top1.line

  + Cursor1.pos = Screen_top1.pos

  + Text.move_cursor_down_to_next_text_line_while_scrolling_again_if_necessary()

  + --? print('top now', Screen_top1.line)

  + end

  +