是否可以使 mainWindow 完全透明而其他小部件保持可見？例如：我想讓應(yīng)用程序透明并使其他所有內(nèi)容可見（例如，mainFrame、關(guān)閉按鈕、最小化按鈕）
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阿波羅的戰(zhàn)車
TA貢獻(xiàn)1862條經(jīng)驗(yàn) 獲得超6個(gè)贊
您可以使用 window.setAttribute(QtCore.Qt.WA_TranslucentBackground) 這里是一個(gè)小例子：
import sys
from PyQt5 import QtWidgets, QtCore
app = QtWidgets.QApplication(sys.argv)
# create invisble widget
window = QtWidgets.QWidget()
window.setAttribute(QtCore.Qt.WA_TranslucentBackground)
window.setWindowFlags(QtCore.Qt.FramelessWindowHint)
window.setFixedSize(800, 600)
# add visible child widget, when this widget is transparent it will also be invisible
visible_child = QtWidgets.QWidget(window)
visible_child.setStyleSheet('QWidget{background-color: white}')
visible_child.setObjectName('vc')
visible_child.setFixedSize(800, 600)
layout = QtWidgets.QGridLayout()
# add a close button
close_button = QtWidgets.QPushButton()
close_button.setText('close window')
close_button.clicked.connect(lambda: app.exit(0))
layout.addWidget(close_button)
# add a button that makes the visible child widget transparent
change_size_button = QtWidgets.QPushButton()
change_size_button.setText('change size')
change_size_button.clicked.connect(lambda: visible_child.setStyleSheet('QWidget#vc{background-color: transparent}'))
layout.addWidget(change_size_button)
visible_child.setLayout(layout)
window.show()
app.exec()
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