小部件随着布局的几何形状伸展

问题描述

我正在将电池小部件放置在布局中，而该布局与我不想成为的布局的几何形状一起被拉伸。即使我更改布局的几何形状，它也必须具有固定的大小。而且即使我更改了布局的位置，小部件也会自动将其自身对齐到布局的中心。这是我的代码。

import sys
from PySide.QtGui import *
from PySide import QtGui,QtCore
from PySide.QtCore import Signal


class Battery(QProgressBar):

    def __init__(self,*args,**kwargs):
        super(Battery,self).__init__(*args,**kwargs)
        self.setTextVisible(False)
        self.charging = False
        #font = QtGui.QFont("Times",15,QtGui.QFont.Bold)
        self.setStyleSheet('''
        QProgressBar {
            border: 4px solid black;
            background-color: #c2c2c2;
            margin-top: 12px;
        }
        QProgressBar:horizontal {
            height: 60px;
            width: 120px;
            margin-right: 12px;
        }
        QProgressBar:vertical {
            height: 120px;
            width: 60px;
            margin-left: 12px;
        }
        QProgressBar::chunk {
            background-color: #46EB7D;
            margin: 2px;
            border: 2px solid green;
        }''')

    def setCharging(self,state):
        self.charging = state
        self.repaint()

    def paintEvent(self,event):
        super(Battery,self).paintEvent(event)
        qp = QPainter(self)
        qp.setPen(QtCore.Qt.NoPen); qp.setBrush(QtCore.Qt.black)
        w,h = self.width(),self.height()
        if self.orientation() == QtCore.Qt.Horizontal:
            qp.drawRect(w,12 + h / 4,-12,h / 2 - 12)
            dx,dy = 0,12
        else:
            qp.drawRect(12 + w / 4,w / 2 - 12,12)
            dx,dy = 12,0

        qp.setPen(self.palette().text().color())
        qp.setFont(QtGui.QFont('Decorative',12,QtGui.QFont.Bold))
        qp.drawText(self.rect().adjusted(dx,dy,0),QtCore.Qt.AlignCenter,self.text())
        qp.setPen(QtCore.Qt.NoPen)
        
        if self.charging:
            qp.setBrush(self.parent().palette().window())
            path = QPainterPath()
            if self.orientation() == QtCore.Qt.Horizontal:
                qp.drawRect(0,h)
                path.moveTo(12,h)
                path.lineTo(12,12 + h / 3)
                path.quadTo(22,12 + h / 3,22,24)
                path.lineTo(22,14)
                path.lineTo(2,24)
                path.quadTo(2,12 + h / 3)
                path.moveTo(7,12); path.lineTo(7,0)
                path.moveTo(17,12); path.lineTo(17,0)
            else:
                qp.drawRect(0,h,w,-12)
                path.moveTo(w,h - 12)
                path.lineTo(12 + w / 3,h - 12)
                path.quadTo(12 + w / 3,h - 22,24,h - 22)
                path.lineTo(14,h - 2)
                path.lineTo(24,h - 2)
                path.quadTo(12 + w / 3,h - 2,12 + w / 3,h - 12)
                path.moveTo(12,h - 7); path.lineTo(0,h - 7)
                path.moveTo(12,h - 17); path.lineTo(0,h - 17)
            
            pen = QPen(qp.brush(),QtCore.Qt.SolidLine,QtCore.Qt.SquareCap,QtCore.Qt.MiterJoin)
            qp.strokePath(path,pen)
            pen.setWidth(4); pen.setColor(QtCore.Qt.black); qp.setPen(pen)
            qp.setBrush(self.palette().window())
            qp.drawPath(path)

class Example(QtGui.QWidget):
    
    def __init__(self):
        super(Example,self).__init__()
        
        self.initUI()
        
    def initUI(self):
        grid = QGridLayout(self)
        grid.setSpacing(50)
        self.pbar = Battery(value=40)
        grid.addWidget(Battery(value=40),2,3)
        self.setGeometry(600,600,650,650)
        self.setWindowTitle('Battery')    
        self.show()       
def main():
    
    app = QtGui.QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())


if __name__ == '__main__':
    main()

我希望将电池图像放置在下面的位置 enter image description here

解决方法

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