Simple GUI Notepad Using Ruby

GUI Notepad Using Ruby

Code

require 'tk'

class Notepad
  def saveFile
    file = File.open("note", "w")
    thetext = @entry.get("1.0", 'end')
    file.write(thetext)  
    file.close
    @text.value = "Saved"
  end

  def initialize
    ph = { 'padx' => 60, 'pady' => 20 }     # common options
    p = proc {saveFile}
    @text = TkVariable.new
    root = TkRoot.new { title "Notepad" }
    top = TkFrame.new(root)
    TkLabel.new(top) {text    'Enter Text:' ; pack(ph) }
    @entry = TkText.new(top) do
      width 40
      height 10
      borderwidth 1
      font TkFont.new('times 12')
      pack("padx"=> "5", "pady"=> "1")
    end
    # @entry.pack(ph)
    TkButton.new(top) {text 'Save'; command p; pack ph}
    TkButton.new(top) {text 'Exit'; command {proc exit}; pack ph}
    top.pack('fill'=>'both', 'side' =>'top')
    @entry.insert('1.0', File.read("note"))
  end
end

Notepad.new
Tk.mainloop

Output