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import sys | |
from PyQt5 import QtCore, QtGui, QtWidgets, Qt | |
from Xlib import X, Xatom | |
from Xlib.display import Display | |
from Xlib.error import CatchError, BadAtom | |
def enable_blur(widget: QtWidgets.QWidget): | |
ec = CatchError(BadAtom) | |
display = Display() | |
print('ec', ec) | |
print('display', display) | |
blurAtomId = display.intern_atom('_KDE_NET_WM_BLUR_BEHIND_REGION', only_if_exists=True) | |
print('blurAtomId', blurAtomId) | |
if blurAtomId == X.NONE: | |
print('_KDE_NET_WM_BLUR_BEHIND_REGION is not currently supported') | |
return | |
windowHandle = widget.windowHandle() | |
print('windowHandle', windowHandle) | |
winId = windowHandle.winId() # sip.voidptr | |
winId = winId.__int__() # https://stackoverflow.com/questions/47689778/how-do-you-go-from-a-sip-voidptr-qimage-constbits-to-a-ctypes-void-or-char-p | |
print('winId', winId) | |
window = display.create_resource_object('window', winId) | |
print('window', window, window.get_wm_class()) | |
# Window.change_property(property, type, format, data, mode = X.PropModeReplace, onerror = None) | |
window.change_property( | |
blurAtomId, | |
Xatom.CARDINAL, # https://github.com/python-xlib/python-xlib/blob/master/Xlib/Xatom.py | |
32, # uint32 | |
[0] # Treated as [0, 0, widget.width(), widget.height()] even after resizing window | |
) | |
atomName = display.get_atom_name(blurAtomId) | |
atomValue = window.get_property(blurAtomId, Xatom.CARDINAL, 0, 1) | |
print(atomName, atomValue) | |
def center_widget(w: QtWidgets.QWidget): | |
qt_rectangle = w.frameGeometry() | |
center_point = QtWidgets.QDesktopWidget().availableGeometry().center() | |
qt_rectangle.moveCenter(center_point) | |
w.move(qt_rectangle.topLeft()) | |
class MainWidget(QtWidgets.QWidget): | |
def __init__(self): | |
super().__init__() | |
self.setGeometry(0, 0, 400, 400) | |
self.setAttribute(QtCore.Qt.WA_TranslucentBackground) | |
self.setWindowTitle("PyQt") | |
def updateBlur(self): | |
enable_blur(self) | |
def window(): | |
app = QtWidgets.QApplication(sys.argv) | |
w = MainWidget() | |
center_widget(w) | |
bgRect = QtWidgets.QWidget(w) | |
bgRect.setStyleSheet('background-color: rgba(127,0,0, 0.5)') | |
bgRect.setGeometry(0, 0, w.width()/2, w.height()) | |
label = QtWidgets.QLabel(w) | |
label.setText("Test Window") | |
label.setStyleSheet('color: yellow') | |
label.move(50, 20) | |
w.show() | |
w.updateBlur() | |
sys.exit(app.exec_()) | |
if __name__ == '__main__': | |
window() |
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