edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

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

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()  -- populate line.y for each line in Editor_state.lines

  edit.draw(Editor_state)  -- populate line.y for each line in Editor_state.lines

  edit.draw()  -- populate line.y for each line in Editor_state.lines

  edit.draw(Editor_state)  -- populate line.y for each line in Editor_state.lines

  edit.draw()  -- populate line.y for each line in Editor_state.lines

  edit.draw(Editor_state)  -- populate line.y for each line in Editor_state.lines

  edit.draw()  -- populate line.y for each line in Editor_state.lines

  edit.draw(Editor_state)  -- populate line.y for each line in Editor_state.lines

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.update(dt)

  edit.update(Editor_state, dt)

  edit.quit()

  edit.quit(Editor_state)

  return edit.mouse_pressed(x,y, mouse_button)

  return edit.mouse_pressed(Editor_state, x,y, mouse_button)

  return edit.mouse_released(x,y, mouse_button)

  return edit.mouse_released(Editor_state, x,y, mouse_button)

  return edit.textinput(t)

  return edit.textinput(Editor_state, t)

  return edit.keychord_pressed(chord, key)

  return edit.keychord_pressed(Editor_state, chord, key)

  return edit.key_released(key, scancode)

  return edit.key_released(Editor_state, key, scancode)

function edit.draw()

function edit.draw(State)

--?   print(Editor_state.screen_top1.line, Editor_state.screen_top1.pos, Editor_state.cursor1.line, Editor_state.cursor1.pos)
  assert(Text.le1(Editor_state.screen_top1, Editor_state.cursor1))
  Editor_state.cursor_y = -1
  local y = Editor_state.margin_top

--?   print(State.screen_top1.line, State.screen_top1.pos, State.cursor1.line, State.cursor1.pos)
  assert(Text.le1(State.screen_top1, State.cursor1))
  State.cursor_y = -1
  local y = State.margin_top

  for line_index = Editor_state.screen_top1.line,#Editor_state.lines do
    local line = Editor_state.lines[line_index]

  for line_index = State.screen_top1.line,#State.lines do
    local line = State.lines[line_index]

    if y + Editor_state.line_height > App.screen.height then break end
    Editor_state.screen_bottom1.line = line_index

    if y + State.line_height > App.screen.height then break end
    State.screen_bottom1.line = line_index

                     table.insert(Editor_state.lines, line_index, {mode='drawing', y=y, h=256/2, points={}, shapes={}, pending={}})
                     if Editor_state.cursor1.line >= line_index then
                       Editor_state.cursor1.line = Editor_state.cursor1.line+1

                     table.insert(State.lines, line_index, {mode='drawing', y=y, h=256/2, points={}, shapes={}, pending={}})
                     if State.cursor1.line >= line_index then
                       State.cursor1.line = State.cursor1.line+1

      if Editor_state.search_term == nil then
        if line_index == Editor_state.cursor1.line then
          Text.draw_cursor(Editor_state.margin_left, y)

      if State.search_term == nil then
        if line_index == State.cursor1.line then
          Text.draw_cursor(State.margin_left, y)

      Editor_state.screen_bottom1.pos = Editor_state.screen_top1.pos
      y = y + Editor_state.line_height

      State.screen_bottom1.pos = State.screen_top1.pos
      y = y + State.line_height

      y = y+Editor_state.drawing_padding_top

      y = y+State.drawing_padding_top

      y = y + Drawing.pixels(line.h) + Editor_state.drawing_padding_bottom

      y = y + Drawing.pixels(line.h) + State.drawing_padding_bottom

      if line_index == Editor_state.screen_top1.line then
        line.startpos = Editor_state.screen_top1.pos

      if line_index == State.screen_top1.line then
        line.startpos = State.screen_top1.pos

      y, Editor_state.screen_bottom1.pos = Text.draw(line, line_index, line.starty, Editor_state.margin_left, App.screen.width-Editor_state.margin_right)
      y = y + Editor_state.line_height

      y, State.screen_bottom1.pos = Text.draw(line, line_index, line.starty, State.margin_left, App.screen.width-State.margin_right)
      y = y + State.line_height

  if Editor_state.cursor_y == -1 then
    Editor_state.cursor_y = App.screen.height

  if State.cursor_y == -1 then
    State.cursor_y = App.screen.height

--?   print('screen bottom: '..tostring(Editor_state.screen_bottom1.pos)..' in '..tostring(Editor_state.lines[Editor_state.screen_bottom1.line].data))
  if Editor_state.search_term then

--?   print('screen bottom: '..tostring(State.screen_bottom1.pos)..' in '..tostring(State.lines[State.screen_bottom1.line].data))
  if State.search_term then

function edit.update(dt)

function edit.update(State, dt)

  if Editor_state.next_save and Editor_state.next_save < App.getTime() then
    save_to_disk(Editor_state.lines, Editor_state.filename)
    Editor_state.next_save = nil

  if State.next_save and State.next_save < App.getTime() then
    save_to_disk(State.lines, State.filename)
    State.next_save = nil

function edit.quit()

function edit.quit(State)

  if Editor_state.next_save then
    save_to_disk(Editor_state.lines, Editor_state.filename)

  if State.next_save then
    save_to_disk(State.lines, State.filename)

function edit.mouse_pressed(x,y, mouse_button)
  if Editor_state.search_term then return end
--?   print('press', Editor_state.selection1.line, Editor_state.selection1.pos)

function edit.mouse_pressed(State, x,y, mouse_button)
  if State.search_term then return end
--?   print('press', State.selection1.line, State.selection1.pos)

  for line_index,line in ipairs(Editor_state.lines) do

  for line_index,line in ipairs(State.lines) do

      if Text.in_line(line, x,y, Editor_state.margin_left, App.screen.width-Editor_state.margin_right) then

      if Text.in_line(line, x,y, State.margin_left, App.screen.width-State.margin_right) then

        Editor_state.old_cursor1 = Editor_state.cursor1
        Editor_state.old_selection1 = Editor_state.selection1
        Editor_state.mousepress_shift = App.shift_down()
        Editor_state.selection1 = {

        State.old_cursor1 = State.cursor1
        State.old_selection1 = State.selection1
        State.mousepress_shift = App.shift_down()
        State.selection1 = {

            pos=Text.to_pos_on_line(line, x, y, Editor_state.margin_left, App.screen.width-Editor_state.margin_right),

            pos=Text.to_pos_on_line(line, x, y, State.margin_left, App.screen.width-State.margin_right),

--?         print('selection', Editor_state.selection1.line, Editor_state.selection1.pos)

--?         print('selection', State.selection1.line, State.selection1.pos)

        Editor_state.lines.current_drawing_index = line_index
        Editor_state.lines.current_drawing = line

        State.lines.current_drawing_index = line_index
        State.lines.current_drawing = line

function edit.mouse_released(x,y, mouse_button)
  if Editor_state.search_term then return end

function edit.mouse_released(State, x,y, mouse_button)
  if State.search_term then return end

  if Editor_state.lines.current_drawing then

  if State.lines.current_drawing then

      record_undo_event({before=Drawing.before, after=snapshot(Editor_state.lines.current_drawing_index)})

      record_undo_event({before=Drawing.before, after=snapshot(State.lines.current_drawing_index)})

    for line_index,line in ipairs(Editor_state.lines) do

    for line_index,line in ipairs(State.lines) do

        if Text.in_line(line, x,y, Editor_state.margin_left, App.screen.width-Editor_state.margin_right) then

        if Text.in_line(line, x,y, State.margin_left, App.screen.width-State.margin_right) then

          Editor_state.cursor1 = {

          State.cursor1 = {

              pos=Text.to_pos_on_line(line, x, y, Editor_state.margin_left, App.screen.width-Editor_state.margin_right),

              pos=Text.to_pos_on_line(line, x, y, State.margin_left, App.screen.width-State.margin_right),

--?           print('cursor', Editor_state.cursor1.line, Editor_state.cursor1.pos)
          if Editor_state.mousepress_shift then
            if Editor_state.old_selection1.line == nil then
              Editor_state.selection1 = Editor_state.old_cursor1

--?           print('cursor', State.cursor1.line, State.cursor1.pos)
          if State.mousepress_shift then
            if State.old_selection1.line == nil then
              State.selection1 = State.old_cursor1

              Editor_state.selection1 = Editor_state.old_selection1

              State.selection1 = State.old_selection1

          Editor_state.old_cursor1, Editor_state.old_selection1, Editor_state.mousepress_shift = nil
          if eq(Editor_state.cursor1, Editor_state.selection1) then
            Editor_state.selection1 = {}

          State.old_cursor1, State.old_selection1, State.mousepress_shift = nil
          if eq(State.cursor1, State.selection1) then
            State.selection1 = {}

--?     print('selection:', Editor_state.selection1.line, Editor_state.selection1.pos)

--?     print('selection:', State.selection1.line, State.selection1.pos)

function edit.textinput(t)
  for _,line in ipairs(Editor_state.lines) do line.y = nil end  -- just in case we scroll
  if Editor_state.search_term then
    Editor_state.search_term = Editor_state.search_term..t
    Editor_state.search_text = nil

function edit.textinput(State, t)
  for _,line in ipairs(State.lines) do line.y = nil end  -- just in case we scroll
  if State.search_term then
    State.search_term = State.search_term..t
    State.search_text = nil

  elseif Editor_state.current_drawing_mode == 'name' then
    local before = snapshot(Editor_state.lines.current_drawing_index)
    local drawing = Editor_state.lines.current_drawing

  elseif State.current_drawing_mode == 'name' then
    local before = snapshot(State.lines.current_drawing_index)
    local drawing = State.lines.current_drawing

    record_undo_event({before=before, after=snapshot(Editor_state.lines.current_drawing_index)})

    record_undo_event({before=before, after=snapshot(State.lines.current_drawing_index)})

function edit.keychord_pressed(chord, key)
  if Editor_state.selection1.line and
      not Editor_state.lines.current_drawing and

function edit.keychord_pressed(State, chord, key)
  if State.selection1.line and
      not State.lines.current_drawing and

    Text.delete_selection(Editor_state.margin_left, App.screen.width-Editor_state.margin_right)

    Text.delete_selection(State.margin_left, App.screen.width-State.margin_right)

  if Editor_state.search_term then

  if State.search_term then

      Editor_state.search_term = nil
      Editor_state.search_text = nil
      Editor_state.cursor1 = Editor_state.search_backup.cursor
      Editor_state.screen_top1 = Editor_state.search_backup.screen_top
      Editor_state.search_backup = nil

      State.search_term = nil
      State.search_text = nil
      State.cursor1 = State.search_backup.cursor
      State.screen_top1 = State.search_backup.screen_top
      State.search_backup = nil

      Editor_state.search_term = nil
      Editor_state.search_text = nil
      Editor_state.search_backup = nil

      State.search_term = nil
      State.search_text = nil
      State.search_backup = nil

      local len = utf8.len(Editor_state.search_term)
      local byte_offset = Text.offset(Editor_state.search_term, len)
      Editor_state.search_term = string.sub(Editor_state.search_term, 1, byte_offset-1)
      Editor_state.search_text = nil

      local len = utf8.len(State.search_term)
      local byte_offset = Text.offset(State.search_term, len)
      State.search_term = string.sub(State.search_term, 1, byte_offset-1)
      State.search_text = nil

      Editor_state.cursor1.pos = Editor_state.cursor1.pos+1

      State.cursor1.pos = State.cursor1.pos+1

    Editor_state.search_term = ''
    Editor_state.search_backup = {cursor={line=Editor_state.cursor1.line, pos=Editor_state.cursor1.pos}, screen_top={line=Editor_state.screen_top1.line, pos=Editor_state.screen_top1.pos}}
    assert(Editor_state.search_text == nil)

    State.search_term = ''
    State.search_backup = {cursor={line=State.cursor1.line, pos=State.cursor1.pos}, screen_top={line=State.screen_top1.line, pos=State.screen_top1.pos}}
    assert(State.search_text == nil)

    initialize_font_settings(Editor_state.font_height+2)

    initialize_font_settings(State.font_height+2)

    initialize_font_settings(Editor_state.font_height-2)

    initialize_font_settings(State.font_height-2)

    for _,line in ipairs(Editor_state.lines) do line.y = nil end  -- just in case we scroll

    for _,line in ipairs(State.lines) do line.y = nil end  -- just in case we scroll

      Editor_state.screen_top1 = deepcopy(src.screen_top)
      Editor_state.cursor1 = deepcopy(src.cursor)
      Editor_state.selection1 = deepcopy(src.selection)
      patch(Editor_state.lines, event.after, event.before)

      State.screen_top1 = deepcopy(src.screen_top)
      State.cursor1 = deepcopy(src.cursor)
      State.selection1 = deepcopy(src.selection)
      patch(State.lines, event.after, event.before)

    for _,line in ipairs(Editor_state.lines) do line.y = nil end  -- just in case we scroll

    for _,line in ipairs(State.lines) do line.y = nil end  -- just in case we scroll

      Editor_state.screen_top1 = deepcopy(src.screen_top)
      Editor_state.cursor1 = deepcopy(src.cursor)
      Editor_state.selection1 = deepcopy(src.selection)
      patch(Editor_state.lines, event.before, event.after)

      State.screen_top1 = deepcopy(src.screen_top)
      State.cursor1 = deepcopy(src.cursor)
      State.selection1 = deepcopy(src.selection)
      patch(State.lines, event.before, event.after)

    for _,line in ipairs(Editor_state.lines) do line.y = nil end  -- just in case we scroll

    for _,line in ipairs(State.lines) do line.y = nil end  -- just in case we scroll

    for _,line in ipairs(Editor_state.lines) do line.y = nil end  -- just in case we scroll
    local s = Text.cut_selection(Editor_state.margin_left, App.screen.width-Editor_state.margin_right)

    for _,line in ipairs(State.lines) do line.y = nil end  -- just in case we scroll
    local s = Text.cut_selection(State.margin_left, App.screen.width-State.margin_right)

    for _,line in ipairs(Editor_state.lines) do line.y = nil end  -- just in case we scroll

    for _,line in ipairs(State.lines) do line.y = nil end  -- just in case we scroll

    local before_line = Editor_state.cursor1.line

    local before_line = State.cursor1.line

      Text.snap_cursor_to_bottom_of_screen(Editor_state.margin_left, App.screen.height-Editor_state.margin_right)

      Text.snap_cursor_to_bottom_of_screen(State.margin_left, App.screen.height-State.margin_right)

    record_undo_event({before=before, after=snapshot(before_line, Editor_state.cursor1.line)})

    record_undo_event({before=before, after=snapshot(before_line, State.cursor1.line)})

    for _,line in ipairs(Editor_state.lines) do

    for _,line in ipairs(State.lines) do

  elseif Editor_state.current_drawing_mode == 'name' then

  elseif State.current_drawing_mode == 'name' then

      Editor_state.current_drawing_mode = Editor_state.previous_drawing_mode
      Editor_state.previous_drawing_mode = nil

      State.current_drawing_mode = State.previous_drawing_mode
      State.previous_drawing_mode = nil

      local before = snapshot(Editor_state.lines.current_drawing_index)
      local drawing = Editor_state.lines.current_drawing

      local before = snapshot(State.lines.current_drawing_index)
      local drawing = State.lines.current_drawing

        record_undo_event({before=before, after=snapshot(Editor_state.lines.current_drawing_index)})

        record_undo_event({before=before, after=snapshot(State.lines.current_drawing_index)})

        record_undo_event({before=before, after=snapshot(Editor_state.lines.current_drawing_index)})

        record_undo_event({before=before, after=snapshot(State.lines.current_drawing_index)})

    for _,line in ipairs(Editor_state.lines) do line.y = nil end  -- just in case we scroll

    for _,line in ipairs(State.lines) do line.y = nil end  -- just in case we scroll

function edit.key_released(key, scancode)

function edit.key_released(State, key, scancode)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)

  edit.draw()

  edit.draw(Editor_state)