old_contents: #!/usr/bin/env python
  
  import sys
  from xml.etree.ElementTree import ElementTree
  
  from PyQt4.QtGui import *
  from PyQt4.QtCore import *
  from structData.world import g_world
  
  class RoomEditor(QWidget):
  
      def __init__(self, parent=None):
          super(RoomEditor, self).__init__(parent)
          self.room = g_world.rooms[g_world.informations.start]
          self.setSizePolicy(QSizePolicy(QSizePolicy.Expanding,
                                         QSizePolicy.Expanding))
          self.setMinimumSize(1000, 1000)
          self.label = QLabel()
          self.scroll_area = QScrollArea(self)
          self.scroll_area.setMinimumSize(900, 900)
          self.scroll_area.setSizePolicy(QSizePolicy.Expanding,
                                         QSizePolicy.Expanding)
          self.scroll_area.setBackgroundRole(QPalette.Dark)
          self.scroll_area.setAlignment(Qt.AlignCenter)
          self.change_room_name = QLineEdit(self)
          self.change_room_name.setText("Room name")
          self.change_room_name.setAlignment(Qt.AlignCenter)
          self.change_room_name.move(self.scroll_area.height() / 2,
                                     self.scroll_area.width())
          image = QPixmap(self.room.bg)
          self.label.setPixmap(image)
          self.scroll_area.setWidget(self.label)
  
      def changeCurrentRoom(self, new_room_id):
          self.room = str(new_room_id)
          self.label.setPixmap(QPixmap(g_world.rooms[self.room].bg))
  
  if __name__ == "__main__":
      app = QApplication(sys.argv)
      rm = RoomEditor()
      rm.show()
      app.exec_()
  
new_contents: #!/usr/bin/env python
  
  import sys
  from xml.etree.ElementTree import ElementTree
  
  from PyQt4.QtGui import *
  from PyQt4.QtCore import *
  from structData.world import g_world
  
  class RoomEditor(QWidget):
  
      def __init__(self, parent=None):
          super(RoomEditor, self).__init__(parent)
          self.room = g_world.rooms[g_world.informations.start]
          self.setSizePolicy(QSizePolicy(QSizePolicy.Expanding,
                                         QSizePolicy.Expanding))
          self.setMinimumSize(1000, 1000)
          self.label = QLabel()
          self.scroll_area = QScrollArea(self)
          self.scroll_area.setMinimumSize(900, 900)
          self.scroll_area.setSizePolicy(QSizePolicy.Expanding,
                                         QSizePolicy.Expanding)
          self.scroll_area.setBackgroundRole(QPalette.Dark)
          self.scroll_area.setAlignment(Qt.AlignCenter)
          self.change_room_name = QLineEdit(self)
          self.change_room_name.setText(g_world.informations.start)
          self.change_room_name.setAlignment(Qt.AlignCenter)
          self.change_room_name.move(self.scroll_area.height() / 2,
                                     self.scroll_area.width())
          image = QPixmap(self.room.bg)
          self.label.setPixmap(image)
          self.scroll_area.setWidget(self.label)
  
      def changeCurrentRoom(self, room_id):
          self.room = str(room_id)
          self.label.setPixmap(QPixmap(g_world.rooms[self.room].bg))
          self.change_room_name.setText(room_id)
  
  if __name__ == "__main__":
      app = QApplication(sys.argv)
      rm = RoomEditor()
      rm.show()
      app.exec_()
  
subject: change label text and changeCurrentRoom function to show the selected room and text in label