"""This is used to patch the QApplication style sheet. It reads the current stylesheet, appends our modifications and sets the new stylesheet. """ from PyQt5 import QtWidgets def patch_qt_stylesheet(use_dark_theme: bool) -> None: if not use_dark_theme: return app = QtWidgets.QApplication.instance() style_sheet = app.styleSheet() style_sheet = style_sheet + ''' /* PayToEdit text was being clipped */ QAbstractScrollArea { padding: 0px; } /* In History tab, labels while edited were being clipped (Windows) */ QAbstractItemView QLineEdit { padding: 0px; show-decoration-selected: 1; } /* Checked item in dropdowns have way too much height... see #6281 and https://github.com/ColinDuquesnoy/QDarkStyleSheet/issues/200 */ QComboBox::item:checked { font-weight: bold; max-height: 30px; } ''' app.setStyleSheet(style_sheet)