tstylesheet_patcher.py - electrum - Electrum Bitcoin wallet
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       ---
       tstylesheet_patcher.py (1737B)
       ---
            1 """This is used to patch the QApplication style sheet.
            2 It reads the current stylesheet, appends our modifications and sets the new stylesheet.
            3 """
            4 
            5 import sys
            6 
            7 from PyQt5 import QtWidgets
            8 
            9 
           10 CUSTOM_PATCH_FOR_DARK_THEME = '''
           11 /* PayToEdit text was being clipped */
           12 QAbstractScrollArea {
           13     padding: 0px;
           14 }
           15 /* In History tab, labels while edited were being clipped (Windows) */
           16 QAbstractItemView QLineEdit {
           17     padding: 0px;
           18     show-decoration-selected: 1;
           19 }
           20 /* Checked item in dropdowns have way too much height...
           21    see #6281 and https://github.com/ColinDuquesnoy/QDarkStyleSheet/issues/200
           22    */
           23 QComboBox::item:checked {
           24     font-weight: bold;
           25     max-height: 30px;
           26 }
           27 '''
           28 
           29 CUSTOM_PATCH_FOR_DEFAULT_THEME_MACOS = '''
           30 /* On macOS, main window status bar icons have ugly frame (see #6300) */
           31 StatusBarButton {
           32     background-color: transparent;
           33     border: 1px solid transparent;
           34     border-radius: 4px;
           35     margin: 0px;
           36     padding: 2px;
           37 }
           38 StatusBarButton:checked {
           39   background-color: transparent;
           40   border: 1px solid #1464A0;
           41 }
           42 StatusBarButton:checked:disabled {
           43   border: 1px solid #14506E;
           44 }
           45 StatusBarButton:pressed {
           46   margin: 1px;
           47   background-color: transparent;
           48   border: 1px solid #1464A0;
           49 }
           50 StatusBarButton:disabled {
           51   border: none;
           52 }
           53 StatusBarButton:hover {
           54   border: 1px solid #148CD2;
           55 }
           56 '''
           57 
           58 
           59 def patch_qt_stylesheet(use_dark_theme: bool) -> None:
           60     custom_patch = ""
           61     if use_dark_theme:
           62         custom_patch = CUSTOM_PATCH_FOR_DARK_THEME
           63     else:  # default theme (typically light)
           64         if sys.platform == 'darwin':
           65             custom_patch = CUSTOM_PATCH_FOR_DEFAULT_THEME_MACOS
           66 
           67     app = QtWidgets.QApplication.instance()
           68     style_sheet = app.styleSheet() + custom_patch
           69     app.setStyleSheet(style_sheet)