#!/usr/bin/python  #-*-coding:utf-8-*- from PyQt4.QtGui import * from PyQt4.QtCore import * from PyQt4.Qt import * class ChangeSkinWidget(QWidget):  def __init__(self,parent = None):   super(ChangeSkinWidget,self).__init__(parent)   self.setFixedSize(140, 160)   self.mouse_press = False   self.mouse_enter = False   #self.pixmap = QPixmap()   self.pixmap_name = ""   self.skin_label =  QLabel() #显示皮肤   self.skin_name_label =  QLabel() #显示皮肤名称   self.download_count_label =  QLabel() #显示下载次数   self.use_skin_button =  QPushButton() #使用此皮肤按钮   self.setCursor(Qt.PointingHandCursor)   self.use_skin_button.setStyleSheet("border-radius:3px border:1px solid rgb(180, 190, 200) color:rgb(70, 70, 70) background:transparent")   self.skin_label.setScaledContents(True)   self.skin_label.setFixedSize(100, 65)   self.use_skin_button.setFixedSize(85, 25)   self.background_layout =  QVBoxLayout()   self.background_layout.addWidget(self.skin_label, 0, Qt.AlignCenter)   self.background_layout.addWidget(self.skin_name_label, 0, Qt.AlignCenter)   self.background_layout.addWidget(self.download_count_label, 0, Qt.AlignCenter)   self.background_layout.addWidget(self.use_skin_button, 0, Qt.AlignCenter)   self.background_layout.setSpacing(5)   self.background_layout.setContentsMargins(0, 10, 0, 10)   self.setLayout(self.background_layout)   self.skin.connect(self.changeSkin)   self.translateLanguage()  skin = pyqtSignal()  def changeSkin(self, pixmap_name,  skin_name,  download_count):   self.background_name = pixmap_name + "_big.png"   self.pixmap_name = self.background_name  #更改皮肤背景   #self.pixmap()   self.skin_label.setPixmap(QPixmap(self.background_name))  #更改皮肤名称   self.skin_name_label.setText(skin_name)  #更改下载次数   self.download_count_label.setText(u"download count:" + download_count)  def translateLanguage(self):   self.use_skin_button.setText(u"use skin")  def paintEvent(self,event):   if(self.mouse_enter):    #绘制边框    painter = QPainter(self)    pen = QPen(QColor(210, 225, 230))    painter.setPen(pen)    painter.drawRoundRect(0,0,self.width()-1, self.height()-1, 5, 5)  def mousePressEvent(self,event):   #只能是鼠标左键移动和改变大小   if(event.button() == Qt.LeftButton):    self.mouse_press = True    self.emit(SIGNAL("skin"),self.pixmap_name)  def mouseReleaseEvent(self,event):   self.mouse_press = False  def enterEvent(self,event):   self.mouse_enter = True   self.update()  def leaveEvent(self,event):   self.mouse_enter = False   self.update() if __name__ == '__main__':  import sys  app = QApplication(sys.argv)  skin = ChangeSkinWidget()  skin.show()  sys.exit(app.exec_())