text: #!/usr/bin/env python
  #
  # Electrum - lightweight Bitcoin client
  # Copyright (C) 2014 Thomas Voegtlin
  #
  # Permission is hereby granted, free of charge, to any person
  # obtaining a copy of this software and associated documentation files
  # (the "Software"), to deal in the Software without restriction,
  # including without limitation the rights to use, copy, modify, merge,
  # publish, distribute, sublicense, and/or sell copies of the Software,
  # and to permit persons to whom the Software is furnished to do so,
  # subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be
  # included in all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  import platform
  
  from PyQt5.QtCore import Qt
  from PyQt5.QtGui import *
  from PyQt5.QtWidgets import QHBoxLayout, QVBoxLayout, QLabel, QWidget
  
  from electrum_ltc_gui.qt.qrcodewidget import QRCodeWidget
  from electrum_ltc.i18n import _
  
  if platform.system() == 'Windows':
      MONOSPACE_FONT = 'Lucida Console'
  elif platform.system() == 'Darwin':
      MONOSPACE_FONT = 'Monaco'
  else:
      MONOSPACE_FONT = 'monospace'
  
  column_index = 4
  
  class QR_Window(QWidget):
  
      def __init__(self, win):
          QWidget.__init__(self)
          self.win = win
          self.setWindowTitle('Garlium - '+_('Payment Request'))
          self.setMinimumSize(800, 250)
          self.address = ''
          self.label = ''
          self.amount = 0
          self.setFocusPolicy(Qt.NoFocus)
  
          main_box = QHBoxLayout()
  
          self.qrw = QRCodeWidget()
          main_box.addWidget(self.qrw, 1)
  
          vbox = QVBoxLayout()
          main_box.addLayout(vbox)
  
          self.address_label = QLabel("")
          #self.address_label.setFont(QFont(MONOSPACE_FONT))
          vbox.addWidget(self.address_label)
  
          self.label_label = QLabel("")
          vbox.addWidget(self.label_label)
  
          self.amount_label = QLabel("")
          vbox.addWidget(self.amount_label)
  
          vbox.addStretch(1)
          self.setLayout(main_box)
  
  
      def set_content(self, address, amount, message, url):
          address_text = "<span style='font-size: 18pt'>%s</span>" % address if address else ""
          self.address_label.setText(address_text)
          if amount:
              amount = self.win.format_amount(amount)
              amount_text = "<span style='font-size: 21pt'>%s</span> <span style='font-size: 16pt'>%s</span> " % (amount, self.win.base_unit())
          else:
              amount_text = ''
          self.amount_label.setText(amount_text)
          label_text = "<span style='font-size: 21pt'>%s</span>" % message if message else ""
          self.label_label.setText(label_text)
          self.qrw.setData(url)
  