Module: RMonitor::XRandRReadHelpers

Included in:
Devices
Defined in:
lib/rmonitor/helpers/xrandr_read_helpers.rb

Instance Method Summary collapse

Instance Method Details

#collect_devices(blocks) ⇒ Object 


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# File 'lib/rmonitor/helpers/xrandr_read_helpers.rb', line 11

def collect_devices(blocks)
  blocks.reject do |block|
    block.match(/\AScreen/)
  end
end

#extract_configuration(block) ⇒ Object 


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# File 'lib/rmonitor/helpers/xrandr_read_helpers.rb', line 35

def extract_configuration(block)
  # Consider each line except the first
  block.split("\n")[1..-1].each do |configuration_line|

    # See if it contains any current configurations
    if /(?<rate>\d+\.\d+)\*/ =~ configuration_line

      # Extract the mode (resolution)
      /(?<mode>\d+x\d+)/ =~ configuration_line
      return {
          :mode => mode,
          :rate => rate,
      }
    end
  end

  nil
end

#extract_configurations(block) ⇒ Object 


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# File 'lib/rmonitor/helpers/xrandr_read_helpers.rb', line 54

def extract_configurations(block)
  configurations = []

  # Consider each line except the first
  block.split("\n")[1..-1].each do |configuration_block|

    # Extract the mode (resolution)
    /(?<mode>\d+x\d+)/ =~ configuration_block

    # Extract each supported frame rate of that mode (resolution)
    configuration_block.scan(/\d+\.\d+/).each do |rate|
      configurations <<  {
          :mode => mode,
          :rate => rate,
      }
    end
  end

  configurations
end

#extract_connected(block) ⇒ Object 


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# File 'lib/rmonitor/helpers/xrandr_read_helpers.rb', line 31

def extract_connected(block)
  block.match(/(?<!dis)connected/)
end

#extract_enabled(block) ⇒ Object 


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# File 'lib/rmonitor/helpers/xrandr_read_helpers.rb', line 27

def extract_enabled(block)
  block.match(/\d+x\d+\+\d+\+\d+/)
end

#extract_name(block) ⇒ Object 


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# File 'lib/rmonitor/helpers/xrandr_read_helpers.rb', line 17

def extract_name(block)
  block.split.first
end

#extract_pos(block) ⇒ Object 


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# File 'lib/rmonitor/helpers/xrandr_read_helpers.rb', line 21

def extract_pos(block)
  if /\+(?<x_pos>\d+)\+(?<y_pos>\d+)/ =~ block
    "#{x_pos}x#{y_pos}"
  end
end

#split_blocks(devices_data) ⇒ Object 


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# File 'lib/rmonitor/helpers/xrandr_read_helpers.rb', line 3

def split_blocks(devices_data)
  block = /
    ^[^\s] .+? \n (?=[^\s]|\Z)
  /mx

  devices_data.scan(block)
end