ASCEE/pyqtgraph
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connect paletteChanged to standalone function

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Kiu Shueng Chuan 2021-02-26 10:28:09 +08:00 committed by KIU Shueng Chuan
parent de11e6315c
commit 5f6be29f66
1 changed files with 10 additions and 11 deletions
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21
pyqtgraph/Qt.py
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@ -464,16 +464,8 @@ if m is not None and list(map(int, m.groups())) < versionReq:
print(list(map(int, m.groups())))
raise Exception('pyqtgraph requires Qt version >= %d.%d (your version is %s)' % (versionReq[0], versionReq[1], QtVersion))
class App(QtGui.QApplication):
def __init__(self, *args, **kwargs):
super(App, self).__init__(*args, **kwargs)
self.paletteChanged.connect(self.onPaletteChange)
self.onPaletteChange(self.palette())
def onPaletteChange(self, palette):
color = palette.base().color().name()
self.setProperty('darkMode', color.lower() != "#ffffff")
App = QtWidgets.QApplication
# subclassing QApplication causes segfaults on PySide{2, 6} / Python 3.8.7+
QAPP = None
def mkQApp(name=None):
@ -487,6 +479,11 @@ def mkQApp(name=None):
"""
global QAPP
def onPaletteChange(palette):
color = palette.base().color().name()
app = QtWidgets.QApplication.instance()
app.setProperty('darkMode', color.lower() != "#ffffff")
QAPP = QtGui.QApplication.instance()
if QAPP is None:
# hidpi handling
@ -500,7 +497,9 @@ def mkQApp(name=None):
else: # qt 5.12 and 5.13
QtGui.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
QtGui.QApplication.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps)
QAPP = App(sys.argv or ["pyqtgraph"])
QAPP = QtGui.QApplication(sys.argv or ["pyqtgraph"])
QAPP.paletteChanged.connect(onPaletteChange)
QAPP.paletteChanged.emit(QAPP.palette())
if name is not None:
QAPP.setApplicationName(name)