360的单个标题按钮

#!/usr/bin/python  #-*-coding:utf-8-*-from PyQt4.QtGui import *from PyQt4.QtCore import *from PyQt4.Qt import *class ToolButton(QToolButton):def __init__(self,pic_name,parent = None):super(ToolButton,self).__init__(parent)#设置图标self.pixmap= QPixmap(pic_name) self.setIcon(QIcon(self.pixmap))self.setIconSize(self.pixmap.size())#设置大小self.setFixedSize(self.pixmap.width()+25, self.pixmap.height()+27)self.setAutoRaise(True)#设置文本颜色self.text_palette = QPalette()#palette() QPaletteself.text_palette.setColor(self.text_palette.ButtonText, QColor(230, 230, 230))self.setPalette(self.text_palette)#设置文本粗体self.text_font = QFont() #QFont & const_cast<QFont &>(font())self.text_font.setWeight(QFont.Bold)#设置字体在下面self.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)self.setStyleSheet("background:transparent")self.mouse_over  = False#鼠标是否移过self.mouse_press = False#鼠标是否按下def enterEvent(self,event):self.mouse_over = Trueself.update()def leaveEvent(self,event):self.mouse_over = Falseself.update()def mousePressEvent(self,event):if(event.button() == Qt.LeftButton):self.clicked.emit(True)def setMousePress(self, mouse_press):self.mouse_press = mouse_pressself.update()def paintEvent(self,event):if(self.mouse_over):#绘制鼠标移到按钮上的按钮效果self.painterInfo(0, 100, 150)else:if(self.mouse_press):self.painterInfo(0, 100, 150)QToolButton.paintEvent(self,event)def painterInfo(self,top_color,middle_color,bottom_color):self.painter = QPainter()self.painter.begin(self)self.pen = QPen(Qt.NoBrush)self.pen.setWidth(1)self.painter.setPen(self.pen)self.linear = QLinearGradient(QPointF(self.rect().topLeft()),QPointF(self.rect().bottomLeft()))#self.linear.start()self.linear.setColorAt(0, QColor(230, 230, 230, top_color))self.linear.setColorAt(0.5, QColor(230, 230, 230, middle_color))self.linear.setColorAt(1, QColor(230, 230, 230, bottom_color))#self.linear.finalStop()self.painter.setBrush(self.linear)self.painter.drawRect(self.rect()) #self.painter.end()if __name__ == '__main__':import sysapp = QApplication(sys.argv)tool = ToolButton("./img/toolWidget/gongNeng.png")#tool.setMousePress(True)tool.show()sys.exit(app.exec_())