Class: RETerm::Terminal

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

Overview

Provides helper mechanisms which to retrieve terminal information (dimensions, etc)

Class Method Summary collapse

Class Method Details

.cols ⇒ Object 



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# File 'lib/reterm/terminal.rb', line 22

def self.cols
  dimensions[1]
end

.contains?(r, c) ⇒ Boolean 



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# File 'lib/reterm/terminal.rb', line 30

def self.contains?(r, c)
  r < rows && c < cols
end

.dimensions ⇒ Object 



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# File 'lib/reterm/terminal.rb', line 9

def self.dimensions
  require 'terminfo'
  @dimensions ||= TermInfo.screen_size
end

.load(min = nil) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/reterm/terminal.rb', line 14

def self.load(min = nil)
  dimensions
  raise ArgumentError, "Terminal too Small - min: #{min}" if min &&
                                                     (cols < min[:cols] ||
                                                      rows < min[:rows])
  nil
end

.reset! ⇒ Object 



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# File 'lib/reterm/terminal.rb', line 5

def self.reset!
  @dimensions = nil
end

.resize! ⇒ Object 



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# File 'lib/reterm/terminal.rb', line 34

def self.resize!
  Window.top.each { |w|
    w.dispatch :resize
  }
end

.rows ⇒ Object 



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# File 'lib/reterm/terminal.rb', line 26

def self.rows
  dimensions[0]
end