Python 为什么QGridLayout不适用于QLabel
我正在项目中使用Python 为什么QGridLayout不适用于QLabel,python,pyqt,pyqt5,Python,Pyqt,Pyqt5,我正在项目中使用QGridLayout,代码是: import sys from PyQt5.QtWidgets import * from PyQt5.QtGui import * from PyQt5.QtCore import * class MainWindow(QMainWindow): def __init__(self, parent=None): super(MainWindow, self).__init__(parent=parent)
QGridLayout
,代码是:
import sys
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent=parent)
widget = QWidget()
self.setCentralWidget(widget)
layout = QGridLayout()
widget.setLayout(layout)
lay1 = QVBoxLayout()
lay1Header = QHBoxLayout()
lay1Header.addWidget(QLabel('lay1'))
lay1.addLayout(lay1Header)
label1 = QLabel('label1')
label1.setStyleSheet('background: rgb(255, 0, 0)')
lay1.addWidget(label1)
lay2 = QVBoxLayout()
lay2Header = QHBoxLayout()
lay2Header.addWidget(QLabel('lay2'))
lay2Header.addWidget(QLineEdit())
lay2.addLayout(lay2Header)
label2 = QLabel('label2')
label2.setStyleSheet('background: rgb(0, 0, 255)')
lay2.addWidget(label2)
layout.addLayout(lay1, 0, 0, 1, 1)
layout.addLayout(lay2, 0, 1, 1, 1)
if __name__ == "__main__":
app = QApplication(sys.argv)
window = MainWindow()
window.show()
sys.exit(app.exec_())
结果是:
我的环境是:
win 10
anaconda
pyqt5 5.14.0
如何使label1/label2的大小相同?QGridLayout中项目的大小取决于列或行中的所有项目,而不仅仅是其中一个。因此,对于这种情况,解决方案是为列设置相同的对齐因子,并将第一个QLabel的高度设置为QLineEdit的高度:
class主窗口(QMainWindow):
def uuu init uuu(self,parent=None):
超级(主窗口,自我)。\uuuuu初始化\uuuuuuuuuuuuuu(父级=父级)
widget=QWidget()
self.setCentralWidget(小部件)
布局=QGridLayout(小部件)
lbl1=QLabel(“lay1”)
lay1=QVBoxLayout()
lay1Header=QHBoxLayout()
lay1Header.addWidget(lbl1)
lay1.addLayout(lay1标题)
label1=QLabel(“label1”)
label1.setStyleSheet(“背景:rgb(255,0,0)”)
lay1.addWidget(标签1)
le1=QLineEdit()
lay2=QVBoxLayout()
lay2Header=QHBoxLayout()
lay2Header.addWidget(QLabel(“lay2”))
lay2Header.addWidget(le1)
lay2.addLayout(lay2标题)
label2=QLabel(“label2”)
label2.setStyleSheet(“背景:rgb(0,0255)”)
lay2.addWidget(label2)
layout.addLayout(lay1,0,0,1,1)
layout.addLayout(lay2,0,1,1,1)
layout.setColumnStretch(0,1)
layout.setColumnStretch(1,1)
lbl1.setFixedHeight(le1.sizeHint().height())