Module: Clogs::Clipboard

Defined in:
lib/clogs/clipboard.rb

Overview

libui has no clipboard API at all, so Clogs shells out to whatever the platform provides. If nothing is available, copy and paste quietly do nothing rather than raising in the middle of someone's keystroke.

Class Method Summary collapse

Class Method Details

.read ⇒ Object 



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# File 'lib/clogs/clipboard.rb', line 10

def read
  cmd = read_command
  return @fallback.to_s unless cmd

  out = `#{cmd} 2>/dev/null`
  $?.success? ? out : @fallback.to_s
rescue StandardError
  @fallback.to_s
end

.read_command ⇒ Object 



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# File 'lib/clogs/clipboard.rb', line 30

def read_command
  @read_command ||= case RUBY_PLATFORM
  when /darwin/ then "pbpaste"
  when /mingw|mswin/ then "powershell -command Get-Clipboard"
  else
    if system("which xclip > /dev/null 2>&1")
      "xclip -selection clipboard -o"
    elsif system("which xsel > /dev/null 2>&1")
      "xsel --clipboard --output"
    end
  end
end

.write(text) ⇒ Object 



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# File 'lib/clogs/clipboard.rb', line 20

def write(text)
  @fallback = text
  cmd = write_command
  return unless cmd

  IO.popen(cmd, "w") { |io| io.write(text) }
rescue StandardError
  nil
end

.write_command ⇒ Object 



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# File 'lib/clogs/clipboard.rb', line 43

def write_command
  @write_command ||= case RUBY_PLATFORM
  when /darwin/ then "pbcopy"
  when /mingw|mswin/ then "clip"
  else
    if system("which xclip > /dev/null 2>&1")
      "xclip -selection clipboard -i"
    elsif system("which xsel > /dev/null 2>&1")
      "xsel --clipboard --input"
    end
  end
end