Class: Rodo

Inherits:
Object
  • Object
show all
Includes:
Commands
Defined in:
lib/rodo.rb,
lib/rodo/version.rb

Constant Summary collapse

VERSION = 
"0.1.1"

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Commands

#initialize

Instance Attribute Details

#current_day_index ⇒ Object

Returns the value of attribute current_day_index.



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# File 'lib/rodo.rb', line 39

def current_day_index
  @current_day_index
end

#cursor_line ⇒ Object

Returns the value of attribute cursor_line.



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# File 'lib/rodo.rb', line 39

def cursor_line
  @cursor_line
end

#cursor_x ⇒ Object

Returns the value of attribute cursor_x.



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# File 'lib/rodo.rb', line 39

def cursor_x
  @cursor_x
end

#debug ⇒ Object

Returns the value of attribute debug.



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# File 'lib/rodo.rb', line 42

def debug
  @debug
end

#file_name ⇒ Object

Returns the value of attribute file_name.



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# File 'lib/rodo.rb', line 37

def file_name
  @file_name
end

#journal ⇒ Object

Returns the value of attribute journal.



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# File 'lib/rodo.rb', line 40

def journal
  @journal
end

#mode ⇒ Object

Returns the value of attribute mode.



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# File 'lib/rodo.rb', line 41

def mode
  @mode
end

#newly_added_line ⇒ Object

Returns the value of attribute newly_added_line.



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# File 'lib/rodo.rb', line 39

def newly_added_line
  @newly_added_line
end

#win1 ⇒ Object

Returns the value of attribute win1.



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# File 'lib/rodo.rb', line 38

def win1
  @win1
end

#win1b ⇒ Object

Returns the value of attribute win1b.



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# File 'lib/rodo.rb', line 38

def win1b
  @win1b
end

Instance Method Details

#build_windows ⇒ Object 



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# File 'lib/rodo.rb', line 126

def build_windows

  @win1.close if @win1
  if Curses.debug_win
    Curses.debug_win.close
    Curses.debug_win = nil
  end

  # Building a static window
  @win1 = Curses::Window.new(Curses.lines, Curses.cols / (@debug ? 2 : 1), 0, 0)
  @win1.keypad = true
  @win1b = @win1.subwin(@win1.maxy - 2, @win1.maxx - 3, 1, 2)

  if @debug
    debug_win = Curses::Window.new(Curses.lines, Curses.cols / 2, 0, Curses.cols / 2)
    debug_win.box
    debug_win.caption "Debug information"
    debug_win.refresh
    Curses.debug_win = debug_win.inset
  end
end

#get_cmd(win, pos_y, pos_x, command_prototyp_list) ⇒ Object 



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# File 'lib/rodo.rb', line 148

def get_cmd(win, pos_y, pos_x, command_prototyp_list)

  size_y = 10
  size_x = [win.maxx - win.begx - 2 * pos_x - 2, 10].max

  cmd_win = Curses::Window.new(size_y + 2, size_x + 2, win.begy + pos_y, win.begx + pos_x)
  cmd_win.keypad = true
  cmd_win.box
  cmd_win.refresh
  inset = cmd_win.inset(1)
  inset.keypad = true
  result = inset.gets("> ".dup) { |s|

    if s =~ /^\s*\>\s*(.*)$/
      cmd = $1 # Remove prompt
      list = command_prototyp_list.dup
      if cmd.strip != ""
        list.select! { |c|
          if c.instance_of? Hash
            if c.has_key?(:regex)
              c[:regex] =~ cmd
            elsif c.has_key?(:description)
              c[:description].include?(cmd)
            else
              true
            end
          else
            c.include?(cmd)
          end
        }
      end
      #Curses.debug_win.puts cmd
      #Curses.debug_win.puts list.inspect
      #Curses.debug_win.refresh
      list.push "No matching commands" if list.empty?
      list.each { |c|
        if c.instance_of? Hash
          if c.has_key?(:description)
            inset.puts c[:description]
          end
        else
          inset.puts c
        end
      }
    end

  }

  # Curses.debug_win.puts "Result: #{result}"

  return result
end

#init ⇒ Object 



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# File 'lib/rodo.rb', line 44

def init
  Curses.ESCDELAY = 50        # 50 milliseconds (ESC is always a key, never a sequence until automatic)
  Curses.raw
  Curses.noecho               # Don't print user input
  Curses.nonl
  Curses.stdscr.keypad = true # Control keys should be returned as keycodes
  Curses.init_screen
  Curses.curs_set(0)          # Invisible cursor
  Curses.bracketed_paste      # From CursesUtils: Enable Bracketed Paste Mode

  if !Curses.has_colors?
    Curses.abort "Curses doesn't have color support in this TTY."
  else
    Curses.start_color
    Curses.colors.times { |i|
      Curses.init_pair(i, i, 0)
    }
  end

  # If no file is given, assume the user wants to edit "~/plan.md"
  if ARGV.empty?
    @file_name = "plan.md"
    Dir.chdir Dir.home
  else
    @file_name = ARGV[0]
  end
  File.write(@file_name, "# #{Time.now.strftime("%Y-%m-%d")}\n") if !File.exist?(@file_name)

  @journal = Journal.from_s(File.read(@file_name))

  @cursor = Cursor.new(@journal)
  @cursor.day = @journal.most_recent_index
  @mode = :scroll
  @newly_added_line = nil
  @debug = $DEBUG || $VERBOSE # || ENV["BUNDLE_BIN_PATH"]
end

#main_loop ⇒ Object 



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# File 'lib/rodo.rb', line 81

def main_loop

  status = init()
  return if status == :close

  begin

    build_windows()

    loop do
      render_windows()

      char = @win1::get_char3

      if char == Curses::KEY_RESIZE
        sleep(0.5)
        build_windows
        next
      end

      case char
      in paste:
        process_paste(paste)
      else
        status = process_input(char)
        return if status == :close
      end
    end

  ensure
    Curses.close_screen
  end
end

#postpone(lines, current_day, n) ⇒ Object 



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# File 'lib/rodo.rb', line 807

def postpone(lines, current_day, n)

  target_day = @journal.postpone_line(current_day, @cursor.line, n)

  # Adjust @cursor.day if a new day was created
  @cursor.day += 1 if current_day != @journal.days[@cursor.day]
end

#process_input(char) ⇒ Object 



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# File 'lib/rodo.rb', line 322

def process_input(char)

  current_day = @journal.days[@cursor.day]
  lines = current_day.lines

  case @mode

  when :journalling

    case char

    when CTRLC, CTRLC.chr
      return :close

    when Curses::KEY_UP
      @cursor.line -= 1 if @cursor.line > 0

    when Curses::KEY_DOWN
      @cursor.line += 1 if @cursor.line < lines.size - 1

    when "\u0001" # CTRL+A

      @cursor.x = 0

    when "\u0005" # CTRL+E

      @cursor.x = lines[@cursor.line].length

    when Curses::KEY_LEFT

      if @cursor.x == 0
        if @cursor.line > 0
          @cursor.line -= 1
          @cursor.x = lines[@cursor.line].length
        end
      else
       @cursor.x -= 1 if @cursor.x > 0
      end

    when Curses::KEY_RIGHT

      if @cursor.x >= lines[@cursor.line].length
        if @cursor.line < lines.size - 1
          @cursor.line += 1
          @cursor.x = 0
        end
      else
        @cursor.x += 1 if @cursor.x < lines[@cursor.line].length
      end

    when Curses::KEY_CTRL_LEFT

      if @cursor.x == 0
        if @cursor.line > 0
          @cursor.line -= 1
          @cursor.x = lines[@cursor.line].length
        end
      end

      left = lines[@cursor.line][0...@cursor.x]
      if /\b?((^|\S+)\s*)$/ =~ left
        @cursor.x -= $1.length
      end

    when Curses::KEY_CTRL_RIGHT

      if @cursor.x >= lines[@cursor.line].length - 1
        if @cursor.line < lines.size - 1
          @cursor.line += 1
          @cursor.x = 0
        end
      end
      right = lines[@cursor.line][@cursor.x..-1]
      if /^(\s*\S+\b?\s*)/ =~ right
        @cursor.x += $1.length
      end

    when Curses::KEY_DC, "\u0004" # DEL, CTRL+D

      if @cursor.x >= lines[@cursor.line].size
        if @cursor.line < lines.size - 1
          lines[@cursor.line] += lines[@cursor.line + 1]
          lines.delete_at(@cursor.line + 1)
        end
      else
        lines[@cursor.line].slice!(@cursor.x)
      end
      win1b.clear

    when Curses::KEY_BACKSPACE

      if @cursor.x == 0 && @cursor.line > 0
        @cursor.line -= 1
        @cursor.x = lines[@cursor.line].length
        lines[@cursor.line] += lines[@cursor.line + 1]
        lines.delete_at(@cursor.line + 1)
      elsif @cursor.x > 0
        lines[@cursor.line].slice!(@cursor.x - 1)
        @cursor.x -= 1
      end

    when "\v" # CTRL K
      if lines.size > 1
        lines.delete_at(@cursor.line)
        @cursor.line -= 1 if @cursor.line >= lines.size
      else
        lines[0] = "".dup
      end
      @win1b.clear

    when ENTER, ENTER.chr

      left  = lines[@cursor.line][0...@cursor.x]
      right = lines[@cursor.line][@cursor.x..-1]

      # If line to the left of cursor starts with "- [ ]" or with a star or dash
      if /^(?<lead>\s+[*-])(?<option>\s\[.\]\s?)?(?<rest>.*?)$/ =~ left && !(right =~ /^\s+[*-]/)

        if rest.strip.length == 0 and right.strip.length == 0
          # line is empty, except for */-/[ ]
          right = nil
          # unindent
          if /^\s\s(?<lead2>.*)$/ =~ lead
            lead = lead2
          else
            lead = ""
            option = ""
          end
          left = lead + option
        else
          if option =~ /^\s\[.\]/
            option = " [ ]"
          end
        end

        option = "" if !option
        lead = lead + option.rstrip + " "
        right = lead + right.lstrip if right
        @cursor.x = lead.length
      else
        @cursor.x = 0
      end

      lines[@cursor.line] = left
      if right != nil
        lines.insert(@cursor.line + 1, right)
        @cursor.line += 1
      end
    when ESC, ESC.chr

      @mode = :scroll
      @journal.days[@cursor.day] = TodoDay.new(lines) # Reparse day after edit

    when /[[:print:]]/

      lines[@cursor.line].insert(@cursor.x, char)
      @cursor.x += 1

    when "\t", "\t".ord
      if lines[@cursor.line] =~ /\s*[-+*]/
        lines[@cursor.line].sub!(/^/, "  ")
        @cursor.x += 2
      end

    when Curses::KEY_BTAB
      if lines[@cursor.line] =~ /(  |\t)\s*[-+*]/
        lines[@cursor.line].sub!(/^(  |\t)/, "")
        @cursor.x -= 2
        @cursor.x = 0 if @cursor.x < 0
      end

    else
      if Curses.debug_win
        Curses.debug_win.puts "Char not handled: " + Curses::char_info(char)
        Curses.debug_win.refresh
      end
    end

  when :edit

    case char

    when CTRLC, CTRLC.chr
      return :close

    when "\u0001" # CTRL+A

      @cursor.x = 0

    when "\u0005" # CTRL+E

      @cursor.x = lines[@cursor.line].length

    when Curses::KEY_LEFT

      @cursor.x -= 1 if @cursor.x > 0

    when Curses::KEY_RIGHT

      @cursor.x += 1 if @cursor.x < lines[@cursor.line].length

    when Curses::KEY_CTRL_LEFT

      left = lines[@cursor.line][0...@cursor.x]
      if /((^|\w+?|\W+?)\s*)$/ =~ left
        @cursor.x -= $1.length
      end

    when Curses::KEY_CTRL_RIGHT

      right = lines[@cursor.line][@cursor.x..-1]
      if /^(\s*|\S+\s*)/ =~ right
        @cursor.x += $1.length
      end

    when Curses::KEY_DC, "\u0004" # DEL, CTRL+D

      if @cursor.x < lines[@cursor.line].size
        lines[@cursor.line].slice!(@cursor.x)
      end

    when Curses::KEY_BACKSPACE
      if @cursor.x > 0
        lines[@cursor.line].slice!(@cursor.x - 1)
        @cursor.x -= 1
      end

    when ENTER, ENTER.chr
      @mode = :scroll
      @newly_added_line = nil
      @journal.days[@cursor.day] = TodoDay.new(lines) # Reparse day after edit

    when ESC, ESC.chr
      # When pressing ESC after an insert, which didn't change anything then undo the insertion
      if @newly_added_line && lines[@cursor.line] == @newly_added_line
        lines.delete_at(@cursor.line)
        @cursor.line -= 1 if @cursor.line >= lines.size
        @win1b.clear
      end
      # Debug:
      # Curses.debug "Lines[@cursor.line] == #{lines[@cursor.line].inspect }, @newly_added_line == #{@newly_added_line.inspect}"

      @mode = :scroll
      @newly_added_line = nil
      @journal.days[@cursor.day] = TodoDay.new(lines) # Reparse day after edit

    when /[[:print:]]/

      lines[@cursor.line].insert(@cursor.x, char)
      # Curses.setpos(@cursor.line + 2, lines[@cursor.line].length + 2)
      @cursor.x += 1

    when "\t", "\t".ord
      if lines[@cursor.line] =~ /\s*[-+*]/
        lines[@cursor.line].sub!(/^/, "  ")
        @cursor.x += 2
      end

    when Curses::KEY_BTAB
      if lines[@cursor.line] =~ /(  |\t)\s*[-+*]/
        lines[@cursor.line].sub!(/^(  |\t)/, "")
        @cursor.x -= 2
        @cursor.x = 0 if @cursor.x < 0
      end

    else
      if Curses.debug_win
        Curses.debug_win.puts "Char not handled: " + Curses::char_info(char)
        Curses.debug_win.refresh
      end
    end

  when :scroll

    case char
      when 'q'
        return self.save

      when CTRLC, CTRLC.chr
        return :close

      when '~'
        @debug = !@debug
        build_windows

      when Curses::KEY_UP
        @cursor.line -= 1 if @cursor.line > 0

      when Curses::KEY_DOWN
        @cursor.line += 1 if @cursor.line < lines.size - 1

      when Curses::KEY_RIGHT then
        @cursor.day -= 1 if @cursor.day > 0
        @win1b.clear

      when Curses::KEY_LEFT then
        @cursor.day += 1 if @cursor.day < @journal.days.size - 1
        @win1b.clear

      when "\t", "\t".ord
        if lines[@cursor.line] =~ /\s*[-+*]/
          lines[@cursor.line].sub!(/^/, "  ")
        end

      when Curses::KEY_F1

        cmd = get_cmd(@win1b, 1, 1, @command_prototyp_list)
        if cmd == :close
          # do nothing, because user closed window
        elsif cmd =~ /^\s*>\s*(.*)$/

          cmd = $1 # Remove prompt

          # Search list of available commands for a match and run the cmd
          @command_prototyp_list.find { |command_prototype|
            case command_prototype
            in regex: r, do_cmd: c
              if r =~ cmd
                c.call(cmd, lines, current_day)
                next true
              else
                next false
              end

            in description: d
              if d.start_with? cmd.strip
                Curses.unget_char(cmd.strip)
                next true
              end
              next false

            in String
              if command_prototype.start_with? cmd.strip
                Curses.unget_char(cmd.strip)
                next true
              end
              next false
            else
              if Curses.debug_win
                Curses.debug_win.puts "Unknown command enter from F1: #{cmd}"
                Curses.debug_win.refresh
              end
            end
          }
        end

      when Curses::KEY_BTAB
        if lines[@cursor.line] =~ /(  |\t)\s*[-+*]/
          lines[@cursor.line].sub!(/^(  |\t)/, "")
        end

        #when Curses::KEY_BACKSPACE then
      #  buffer.remove_char_before_cursor
      #when ENTER then buffer.new_line
      when '.', 'x'
        if lines[@cursor.line] =~ /\[\s\]/
          lines[@cursor.line].gsub!(/\[\s\]/, "[x]")
        elsif lines[@cursor.line] =~ /\[[xX]\]/
          lines[@cursor.line].gsub!(/\[[xX]\]/, "[ ]")
        end
      #when /[[:print:]]/ then buffer.add_char(char)

      when '2'
        # ★

      when 'e' # Edit
        @mode = :journalling
        @cursor.x = lines[@cursor.line].length

      when 'm' # Move
        @mode = :move

      when 'i' # Insert
        @cursor.line = 1 if @cursor.line == 0
        @newly_added_line = current_day.line_prototype(@cursor.line)
        lines.insert(@cursor.line, @newly_added_line.dup)
        @mode = :edit
        @cursor.x = lines[@cursor.line].size

      when ENTER, ENTER.chr
        @mode = :edit
        @cursor.x = lines[@cursor.line].size

      when 'a' # append

        @newly_added_line = current_day.line_prototype(@cursor.line)
        @cursor.line += 1
        lines.insert(@cursor.line, @newly_added_line.dup)
        @mode = :edit
        @cursor.x = lines[@cursor.line].size

      when 't' # t(oday)

        @cursor.day = @journal.close(current_day)
        @current_day = @journal.days[@cursor.day]
        @win1b.clear

      when 'k' # kill
        if lines.size > 1
          lines.delete_at(@cursor.line)
          @cursor.line -= 1 if @cursor.line >= lines.size
        else
          lines[0] = "".dup
        end
        @win1b.clear

      when 'w' # waiting

        if lines[@cursor.line] =~ /\[\s\]/

          line_to_wait_for = lines[@cursor.line].dup

          if !(line_to_wait_for =~ / - ⌛ since \d\d\d\d-\d\d-\d\d$/) && current_day.date
            line_to_wait_for = line_to_wait_for.rstrip + " - ⌛ since #{current_day.date_name}"
          end

          # Get target day (and create if it doesn't exist) and add there
          postpone_day = @journal.postpone_day(current_day, 7)
          postpone_day.lines.insert(1, line_to_wait_for)

          # Adjust @cursor.day if a new day was created
          @cursor.day += 1 if current_day != @journal.days[@cursor.day]

          # Add hourclass here
          lines[@cursor.line].gsub!(/\[\s\]/, "[⌛]")

        end

      when 'p' # postpone

        postpone(lines, current_day, 1)

      else
        if Curses.debug_win
          Curses.debug_win.puts "Char not handled: " + Curses::char_info(char)
          Curses.debug_win.refresh
        end
    end

  when :move

    case char
      when 'q'
        return self.save

      when CTRLC, CTRLC.chr
        return :close

      when Curses::KEY_UP

        if @cursor.line > 0
          lines[@cursor.line], lines[@cursor.line - 1] = lines[@cursor.line - 1], lines[@cursor.line]
          @cursor.line -= 1
        end

      when Curses::KEY_DOWN

        if @cursor.line < lines.size - 1
          lines[@cursor.line], lines[@cursor.line + 1] = lines[@cursor.line + 1], lines[@cursor.line]
          @cursor.line += 1
        end

      when "\t", "\t".ord, Curses::KEY_RIGHT
        if lines[@cursor.line] =~ /\s*[-+*]/
          lines[@cursor.line].sub!(/^/, "  ")
        end

      when Curses::KEY_BTAB, Curses::KEY_LEFT
        if lines[@cursor.line] =~ /(  |\t)\s*[-+*]/
          lines[@cursor.line].sub!(/^(  |\t)/, "")
        end

      when ENTER, ENTER.chr, ESC, ESC.chr
        @mode = :scroll

      else
        Curses.debug "Char not handled: " + Curses::char_info(char)
    end
  else
    Curses.abort "Mode #{@mode} not handled"
  end

  return nil
end

#process_paste(pasted) ⇒ Object 



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# File 'lib/rodo.rb', line 269

def process_paste(pasted)

  pasted.gsub! /\r\n?/, "\n"
  # Curses.debug "Pasted: #{pasted.inspect}"

  current_day = @journal.days[@cursor.day]
  lines = current_day.lines

  # Todo Clean-up Pasted Special characters (bullets)
  pasted.gsub! /^\t/, " " # Replace initial tabs with 1 space
  pasted.gsub! /\t/, "  " # Replace other tabs with 2 spaces
  pasted.gsub! /^(\s*)[•□○®◊§] /, "\\1- "

  case @mode
  when :journalling, :edit

    # When in journalling or edit mode, then pasting will split the current line

    pasted_lines = pasted.lines

    left  = lines[@cursor.line][0...@cursor.x]
    right = lines[@cursor.line][@cursor.x..-1]

    pasted_lines.each_with_index { |line, i|
      # On the first line, append to text left of cursor
      if i == 0
        lines[@cursor.line] = left + line
      else
        lines.insert(@cursor.line, line)
      end

      # On the last line, append existing text right of cursor
      if i == pasted_lines.size - 1
        @cursor.x = lines[@cursor.line].length
        lines[@cursor.line] += right
      else
        @cursor.line += 1
      end
    }

  when :scroll, :move
    # Insert each line after the current line
    pasted.each_line { |l|
      @cursor.line += 1
      lines.insert(@cursor.line, l)
    }
    @cursor.x = lines[@cursor.line].size

  else
    Curses.abort("Case not handled: #{@mode}");
  end
end

#render_windows ⇒ Object 



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# File 'lib/rodo.rb', line 201

def render_windows

  current_day = @journal.days[@cursor.day]

  @win1.box

  if Curses.debug_win
    Curses.debug_win.setpos(0, 0)
    Curses.debug_win.puts "Cursor @ #{@cursor.line}"
    Curses.debug_win.puts "Mode: #{@mode}"
    Curses.debug_win.refresh
  end

  # Next / prev Navigation
  has_next_day = @cursor.day > 0
  has_prev_day = @cursor.day < @journal.days.size - 1

  nav_str = []
  nav_str << "❮ #{@journal.days[@cursor.day + 1].date_name}"   if has_prev_day
  nav_str <<   "#{@journal.days[@cursor.day - 1].date_name} ❯" if has_next_day

  nav_str = nav_str.join(" ")
  @win1b.setpos(0, @win1b.maxx - nav_str.length - 1)
  @win1b.addstr(nav_str)

  # Contents of current day:
  lines = current_day.lines
  overflows = 0
  lines.each_with_index do |line, i|
    Curses.abort("Line #{i} is nil") if line == nil

    @win1b.setpos(i + overflows + 1, 0)
    if @cursor.line == i
      @win1b.attron(Curses.color_pair(255))
    else
      @win1b.attron(Curses.color_pair(246))
    end
    if (%i[scroll move].include?(@mode) && (@cursor.line != i || line.size != 0)) ||
       (%i[edit journalling].include?(@mode) && @cursor.line != i)
    then
       @win1b.puts line
    else
      line = line + " "

      if Curses.debug_win
        Curses.debug_win.puts "Before Cursor: '#{line[...@cursor.x]}'"
        Curses.debug_win.puts "Cursor_x: '#{@cursor.x}'"
        Curses.debug_win.refresh
      end

      @cursor.x = 0 if ![:edit, :journalling].include?(@mode)
      @cursor.x = line.size - 1 if @cursor.x >= line.size

      @win1b.addstr line[...@cursor.x] if @cursor.x > 0
      @win1b.attron(Curses::A_REVERSE)
      @win1b.addstr line[@cursor.x]
      @win1b.attroff(Curses::A_REVERSE)
      @win1b.addstr(line[(@cursor.x+1)..]) if @cursor.x < line.size
      @win1b.addstr("\n")
    end

    overflows += line.length / @win1b.maxx
  end

  # At the end switch color to normal again
  @win1b.attron(Curses.color_pair(246))
end

#save ⇒ Object 



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# File 'lib/rodo.rb', line 115

def save
  FileUtils.mkdir_p "_bak"
  FileUtils.cp(@file_name,
    File.join(
      File.dirname(@file_name),
      "_bak",
      File.basename(@file_name) + "-#{Time.now.strftime("%Y-%m-%dT%H-%M-%S")}.bak"))
  File.write(@file_name, @journal.to_s)
  return :close
end