Class: R3Status::StatusLine

Inherits:
Object
  • Object
show all
Defined in:
lib/r3status.rb

Overview

This class encapsulates a status output. Blocks are added by the user and are displayed each iteration.

Example

s = StatusLine.new
s = StatusLine.new update_interval: 3

s << Blocks::Volume.new

s.run

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(prefix: " ", postfix: nil, update_interval: 0.4) ⇒ StatusLine

Creates a new StatusLine object.



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# File 'lib/r3status.rb', line 39

def initialize(prefix: " ", postfix: nil, update_interval: 0.4)
  @blocks = []
  @prefix = prefix
  @postfix = postfix
  @update_interval = update_interval
end

Instance Attribute Details

#blocks ⇒ Object (readonly)

A list blocks to display, right to left, in the bar.



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# File 'lib/r3status.rb', line 30

def blocks
  @blocks
end

#postfix ⇒ Object

An object (e.g. String)that will be inserted at the ebd of a block’s text. Default: nil.



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# File 'lib/r3status.rb', line 34

def postfix
  @postfix
end

#prefix ⇒ Object

An object (e.g. String) that will be inserted at the start of a block’s text. Default: _“ ”_.



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# File 'lib/r3status.rb', line 32

def prefix
  @prefix
end

#update_interval ⇒ Object

The time (in seconds) between iterations. Default: 0.4.



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# File 'lib/r3status.rb', line 36

def update_interval
  @update_interval
end

Instance Method Details

#<<(block) ⇒ Object

Appends a new block to this StatusLine object.



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# File 'lib/r3status.rb', line 47

def << block
  @blocks << block
end

#run ⇒ Object

Starts the operation of the status line and the output of the data to the standard output.



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# File 'lib/r3status.rb', line 52

def run
  @reader_thread = Thread.new do
    loop do
      s = gets.chomp
      parse s
    end
  end
  @reader_thread.run
  
  at_exit do
    @reader_thread.kill
    @blocks.each { |b| b.terminate }
  end
  
  puts "{\"version\":1, \"click_events\":true}["
  loop_with_interval(0.2) do
    @blocks.each {|b| b.update }
    puts "[#{transmission}],"
  end
  
end