各类位置信息

Qt 提供了很多关于获取窗体位置及显示区域大小的函数

代码：

 1 from PyQt4.QtGui import *
 2 from PyQt4.QtCore import *
 3 import sys
 4
 5 class Geometry(QDialog):
 6
 7     def __init__(self, parent=None):
 8         super(Geometry, self).__init__(parent)
 9
10         self.setWindowTitle("Geometry")
11
12         label1 = QLabel("x0:")
13         label2 = QLabel("y0:")
14         label3 = QLabel("frameGeometry():")
15         label4 = QLabel("pos():")
16         label5 = QLabel("geometry():")
17         label6 = QLabel("width():")
18         label7 = QLabel("height():")
19         label8 = QLabel("rect():")
20         label9 = QLabel("size():")
21
22         self.xLabel = QLabel()
23         self.yLabel = QLabel()
24         self.frameGeoLabel = QLabel()
25         self.posLabel = QLabel()
26         self.geoLabel = QLabel()
27         self.widthLabel = QLabel()
28         self.heightLabel = QLabel()
29         self.rectLabel = QLabel()
30         self.sizeLabel = QLabel()
31
32         layout = QGridLayout()
33         layout.addWidget(label1, 0, 0)
34         layout.addWidget(self.xLabel, 0, 1)
35         layout.addWidget(label2, 1, 0)
36         layout.addWidget(self.yLabel, 1, 1)
37         layout.addWidget(label3, 2, 0)
38         layout.addWidget(self.frameGeoLabel, 2, 1)
39         layout.addWidget(label4, 3, 0)
40         layout.addWidget(self.posLabel, 3, 1)
41         layout.addWidget(label5, 4, 0)
42         layout.addWidget(self.geoLabel, 4, 1)
43         layout.addWidget(label6, 5, 0)
44         layout.addWidget(self.widthLabel, 5, 1)
45         layout.addWidget(label7, 6, 0)
46         layout.addWidget(self.heightLabel, 6, 1)
47         layout.addWidget(label8, 7, 0)
48         layout.addWidget(self.rectLabel, 7, 1)
49         layout.addWidget(label9, 8, 0)
50         layout.addWidget(self.sizeLabel, 8, 1)
51
52         self.setLayout(layout)
53
54         self.updateLabel()
55     #重定义 QWidget 的 moveEvent()和 resizeEvent()函数，分别响应对话框的移动事件和调整大小事件，
56     # 使得窗体在被移动或窗体大小发生改变时，能同步更新各函数结果的显示
57     def moveEvent(self, event):
58         self.updateLabel()
59
60     def resizeEvent(self, Event):
61         self.updateLabel()
62     # updateLabel()函数负责调用各个位置函数获得结果并显示
63     def updateLabel(self):
64
65         temp = QString()
66
67         self.xLabel.setText(temp.setNum(self.x()))
68         self.yLabel.setText(temp.setNum(self.y()))
69         self.frameGeoLabel.setText(temp.setNum(self.frameGeometry().x())+","+
70                 temp.setNum(self.frameGeometry().y())+","+
71                 temp.setNum(self.frameGeometry().width())+","+
72                 temp.setNum(self.frameGeometry().height()))
73         self.posLabel.setText(temp.setNum(self.pos().x())+","+
74                 temp.setNum(self.pos().y()))
75         self.geoLabel.setText(temp.setNum(self.geometry().x())+","+
76                 temp.setNum(self.geometry().y())+","+
77                 temp.setNum(self.geometry().width())+","+
78                 temp.setNum(self.geometry().height()))
79         self.widthLabel.setText(temp.setNum(self.width()))
80         self.heightLabel.setText((temp.setNum(self.height())))
81         self.rectLabel.setText(temp.setNum(self.rect().x())+","+
82                 temp.setNum(self.rect().y())+","+
83                 temp.setNum(self.rect().width())+","+
84                 temp.setNum(self.rect().height()))
85         self.sizeLabel.setText(temp.setNum(self.size().width())+","+
86                 temp.setNum(self.size().height()))
87
88
89 app = QApplication(sys.argv)
90 form = Geometry()
91 form.show()
92 app.exec_()