Class: Flumtter::Window::Buf::Screen

Inherits:
Dialog show all
Includes:
Util
Defined in:
lib/flumtter/app/core/windows/buf_window.rb

Direct Known Subclasses

Conversation, Favorite, List, ListSelector, Mention, Tweet, User

Constant Summary collapse

EnableKey = 
%i(left right up down)

Instance Method Summary collapse

Methods included from Util

#command_value_regexp, #dialog_for_index, #error, #error_handler, #if_tweet, #index_regexp, #index_with_dialog, #logger, #on_event, #parse_index, #parse_time, #sarastire, #sarastire_user, #screen_name_regexp

Methods inherited from Dialog

#command

Methods included from Dispel::Util

#add_multiline_str, #addstr, #getstr

Constructor Details

#initialize(buf, title, body = "") ⇒ Screen

Returns a new instance of Screen.



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# File 'lib/flumtter/app/core/windows/buf_window.rb', line 91

def initialize(buf, title, body="")
  @title, @body = title, body
  @commands = []
  @buf = buf
  @range = 0...0
end

Instance Method Details

#call(str) ⇒ Object 



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# File 'lib/flumtter/app/core/windows/buf_window.rb', line 98

def call(str)
  if str == "?"
    Window::Popup.new("Command List", <<~EOF).show
      #{Command.list(@commands)}
    EOF
    move(:keep)
    raise Dispel::Recall
  elsif str == :left
    move(:page)
    raise Dispel::Recall
  elsif str == :right
    raise Dispel::Recall
  elsif str == :up || str == :down
    move(str)
    raise Dispel::Recall
  else
    move(:keep)
    @commands.each do |command|
      if m = str.match(command.command)
        command.call(m)
        raise Dispel::Recall
      end
    end
    raise Dispel::NoCommandError
  end
end

#id2obj(id) ⇒ Object

Raises:

  • (IndexError) 


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# File 'lib/flumtter/app/core/windows/buf_window.rb', line 125

def id2obj(id)
  obj = @buf[id.to_i]
  raise IndexError if obj.nil?
  obj.object
end

#move(type) ⇒ Object 



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# File 'lib/flumtter/app/core/windows/buf_window.rb', line 131

def move(type)
  case type
  when :up
    @buf.cursor = @range.min - 1
  when :down
    @buf.cursor = @range.min + 1
  when :page
    i, count = 0, 0
    begin
      elem = @buf[@range.min-i].element
      while (count += elem.size_of_lines + 2) < @lines
        i -= 1
        elem = @buf[@range.min-i].element
      end
      @buf.cursor = @range.min+i
    rescue Buf::NoMoreData
      @buf.cursor = @buf.size - 1
    end
  when :keep
    @buf.cursor = @range.min
  end
end

#show ⇒ Object 



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# File 'lib/flumtter/app/core/windows/buf_window.rb', line 154

def show
  Dispel::Screen.open do |screen|
    Dispel::Window.open(screen.lines, screen.columns, 0, 0) do |win|
      win.box(?|,?-,?*)
      win.setpos(win.cury+2, win.curx+1)
      win.addstr @title.title
      win.setpos(win.cury+1, 1)
      win.addstr "¯"*(@title.title.size+2)

      add_multiline_str(win, @body)

      start = @buf.cursor
      begin
        loop do
          elem = @buf.get.element
          if (@lines = screen.lines) > win.cury + elem.size_of_lines + 4
            add_multiline_str(win, elem)
            win.setpos(win.cury+1,1)
          else
            @buf.prev
            break
          end
        end
      rescue Buf::NoMoreData
      end
      @range = start...@buf.cursor

      win.setpos(win.cury+2, 1)
      win.addstr "help: ?".rjust(win.maxx - 2)
      win.setpos(win.cury+1, 1)
      call getstr(win, EnableKey)
    end
  end
rescue Dispel::Recall
  show
rescue Dispel::NoCommandError => e
  Window::Popup::Error.new(e.class.to_s).show
  show
end