代碼如下:
#!/usr/bin/python 
#-*-coding:utf-8-*-

from push_button import *
from clabel import *
from common import *

from PyQt4.QtGui import *
from PyQt4.QtCore import *
from PyQt4.Qt import *

class CharacterWidget(QWidget):
 def __init__(self,parent = None):
  super(CharacterWidget,self).__init__()
  self.mouse_press = False
  self.mouse_move = False
  self.current_index = 0 #當前圖片下標
  self.current_pos_x = 0
  #self.name_list = QStringList()
  self.m_mouseSrcPos = QPoint()
  self.m_mouseDstPos = QPoint()
  self.label_move = False
  self.label_array = [CLabel(),CLabel(),CLabel(),CLabel()] #存儲圖片的數組

  self.resize(QSize(WINDOW_WIDTH, WINDOW_HEIGHT))
  self.setWindowFlags(Qt.FramelessWindowHint)

  self.background_label =  QLabel(self) #背景圖片
  self.background_label.setPixmap(QPixmap("./img/Character/bg_bottom.png"))
  self.background_label.setGeometry(QRect(0, 0, self.width(), self.height()))

  #將4張圖片合成一張
  self.pixmap = QPixmap(QSize(self.width()*WINDOW_PAGE_COUNT, WINDOW_HEIGHT)) #
  painter  = QPainter(self.pixmap)
  for i  in range(WINDOW_PAGE_COUNT):
   painter.drawImage(QRect(WINDOW_WIDTH*i, 0, WINDOW_WIDTH, WINDOW_HEIGHT),/
    QImage(QString("./img/Character/desktop_%1").arg(i)))
  self.total_label =  QLabel(self) #圖片（結合體）
  self.total_label.resize(self.pixmap.size())
  self.total_label.setPixmap(self.pixmap)
  self.total_label.move(WINDOW_START_X, WINDOW_START_Y)

  self.close_button =  PushButton(self)  #關閉按鈕
  self.translateLanguage()
  for i in range(WINDOW_BUTTON_COUNT):
   self.label =  CLabel(self)
   self.label.resize(QSize(155, 45))
   self.label.setPixmap(QPixmap(QString("./img/Character/btn_%1").arg(i)))
   self.label.setText(self.name_list[i])
   self.label.move(8+i*170, 319)
   self.connect(self.label, SIGNAL("clicked()"), self, SLOT("changeCurrentPage(CLabel())"))
   self.label_array[i] = self.label
  self.label_array[0].setMousePressFlag(False)

  self.close_button.loadPixmap("./img/sysButton/close.png")
  self.close_button.move(self.width()-52, 0)
  self.connect(self.close_button, SIGNAL("clicked()"), self, SLOT("close()"))

 def translateLanguage(self):
  self.name_list= [u"function",u"clear cookie",u"triggerman",u"booster"]
  self.close_button.setToolTip(u"close")

 def mousePressEvent(self,event):
  if(event.button() == Qt.LeftButton):