linux窗口程序设计 Qt4精彩实例分析 pyqt实现 实例3 位置函数

实例3 位置函数

from PyQt4.QtCore import *

from PyQt4.QtGui import *

import sys

class Geometry(QDialog):

def __init__(self,parent = None):

super(Geometry,self).__init__(parent)

self.labelx = QLabel("x: ")

self.labely = QLabel("y: ")

self.labelframeGeometry = QLabel("frameGeometry : ")

self.labelpos = QLabel("pos : ")

self.labelwidth = QLabel("width : ")

self.labelheight = QLabel("height : ")

self.labelrect = QLabel("rect : ")

self.labelsize = QLabel("size : ")

self.xlabel = QLabel()

self.ylabel = QLabel()

self.frameGeometrylabel = QLabel()

self.poslabel = QLabel()

self.widthlabel = QLabel()

self.heigthlabel = QLabel()

self.rectlabel = QLabel()

self.sizelabel = QLabel()

self.layout = QGridLayout()

self.layout.addWidget(self.labelx,0,0)

self.layout.addWidget(self.xlabel,0,1)

self.layout.addWidget(self.labely,1,0)

self.layout.addWidget(self.ylabel,1,1)

self.layout.addWidget(self.labelwidth,2,0)

self.layout.addWidget(self.widthlabel,2,1)

self.layout.addWidget(self.labelrect,3,0)

self.layout.addWidget(self.rectlabel,3,1)

self.layout.addWidget(self.labelsize,4,0)

self.layout.addWidget(self.sizelabel,4,1)

self.layout.addWidget(self.labelframeGeometry,5,0)

self.layout.addWidget(self.frameGeometrylabel,5,1)

self.layout.addWidget(self.labelheight,6,0)

self.layout.addWidget(self.heigthlabel,6,1)

self.layout.addWidget(self.labelpos,7,0)

self.layout.addWidget(self.poslabel,7,1)

self.setLayout(self.layout)

self.setWindowTitle("geometry")

def updateLabel(self):

temp = QString()

self.xlabel.setText(temp.setNum(self.x()))

self.ylabel.setText(temp.setNum(self.y()))

r = temp.setNum(self.rect().x()) + ","+temp.setNum(self.rect().y()) /

+","+temp.setNum(self.rect().width())+","+temp.setNum(self.rect().height())

self.rectlabel.setText(r)

def moveEvent(self,event):

self.updateLabel()

def resizeEvent(self,event):

self.updateLabel()

if __name__ == '__main__':

app = QApplication(sys.argv)

sd = Geometry()

sd.show()

app.exec_()