Module: Lab

Defined in:
lib/lab.rb

Defined Under Namespace

Classes: Attr

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#attr_buffer ⇒ Object

Returns the value of attribute attr_buffer.



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# File 'lib/lab.rb', line 33

def attr_buffer
  @attr_buffer
end

#buffer ⇒ Object

Returns the value of attribute buffer.



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# File 'lib/lab.rb', line 33

def buffer
  @buffer
end

Instance Method Details

#addstr(str) ⇒ Object 



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# File 'lib/lab.rb', line 102

def addstr str
   return if $lab_disabled
   extend_buffer @x, @y, str
   extend_attr_buffer @x + 1, @y + 1
   if @x == @buffer[@y].length
      @buffer[@y] << str
   else
      line = @buffer[@y]
      line[@x, str.length] = str
   end
   # todo - fill in attr_buffer with nil's for runs of colour?
   @twt.invalidate_scan @y, @x, (@x + str.length)
   @attr_buffer[@y][@x] = @attr
   (@x+1).upto(@x + str.length) {
      |x| 
      @attr_buffer[@y][x] = nil
   } if str.length > 1
   @x += str.length
end

#attr_buffer_line(w) ⇒ Object 



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# File 'lib/lab.rb', line 69

def attr_buffer_line w
   tmp = []
   w.times { tmp << Attr.new }
   tmp
end

#clear ⇒ Object

see caller - unneeded, as its a hack anyway



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

def clear
   return if $lab_disabled
   @buffer = [""]
   @attr_buffer = []
   @twt.invalidate_all
end

#extend_attr_buffer(w, h) ⇒ Object 



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# File 'lib/lab.rb', line 75

def extend_attr_buffer w, h
   if !@attr_buffer.empty? and (@attr_buffer[0].length < w)
      0.upto(@attr_buffer.length) {
         |idx| 
         tmp = attr_buffer_line(w - (@attr_buffer[idx].length rescue 0))
         @attr_buffer[idx] = [] if @attr_buffer[idx].nil?
         @attr_buffer[idx] += tmp
      }
   end
   if @attr_buffer.length < h
      (h - @attr_buffer.length).times {
         @attr_buffer << attr_buffer_line(w)
      }
   end
end

#extend_buffer(x, y, str) ⇒ Object 



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# File 'lib/lab.rb', line 91

def extend_buffer x, y, str
   if @buffer.length <= y
      (y - @buffer.length + 1).times {
         @buffer << ""
      }
   end
   if @buffer[y].length <= (str.length + x)
      @buffer[y] << " " * ((str.length + x) - @buffer[y].length)
   end
end

#init_buffer_abstraction ⇒ Object 



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# File 'lib/lab.rb', line 35

def init_buffer_abstraction
   clear
end

#maxx ⇒ Object 



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# File 'lib/lab.rb', line 47

def maxx; @twt.maxx; end

#maxy ⇒ Object 



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# File 'lib/lab.rb', line 49

def maxy; @twt.maxy; end

#set_attr(boldness, fg_color, bg_color) ⇒ Object 



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# File 'lib/lab.rb', line 56

def set_attr boldness, fg_color, bg_color
   return if $lab_disabled
   @attr = Attr.new boldness, fg_color, bg_color
   # puts "#{boldness}, #{fg_color}, #{bg_color}"
end

#setpos(y, x) ⇒ Object

swapped in curses interface



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# File 'lib/lab.rb', line 51

def setpos y, x # swapped in curses interface
   @twt.x, @twt.y = x, y
   @x, @y = x, y
end