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59 lines
2.5 KiB
Python
59 lines
2.5 KiB
Python
from PySide2.QtCore import QObject, Qt, Slot, Property, Signal
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from PySide2.QtGui import QPalette, QColor
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from PySide2.QtWidgets import QApplication
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class PaletteManager(QObject):
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"""
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Manages QApplication's palette and provides a toggle between a dark and a light theme.
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"""
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def __init__(self, qmlEngine, parent=None):
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super(PaletteManager, self).__init__(parent)
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self.qmlEngine = qmlEngine
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darkPalette = QPalette()
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window = QColor(50, 52, 55)
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text = QColor(200, 200, 200)
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disabledText = text.darker(170)
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base = window.darker(150)
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button = window.lighter(115)
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highlight = QColor(42, 130, 218)
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dark = window.darker(170)
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darkPalette.setColor(QPalette.Window, window)
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darkPalette.setColor(QPalette.WindowText, text)
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darkPalette.setColor(QPalette.Disabled, QPalette.WindowText, disabledText)
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darkPalette.setColor(QPalette.Base, base)
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darkPalette.setColor(QPalette.AlternateBase, QColor(46, 47, 48))
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darkPalette.setColor(QPalette.ToolTipBase, base)
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darkPalette.setColor(QPalette.ToolTipText, text)
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darkPalette.setColor(QPalette.Text, text)
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darkPalette.setColor(QPalette.Disabled, QPalette.Text, disabledText)
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darkPalette.setColor(QPalette.Button, button)
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darkPalette.setColor(QPalette.ButtonText, text)
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darkPalette.setColor(QPalette.Disabled, QPalette.ButtonText, disabledText)
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darkPalette.setColor(QPalette.Mid, button.lighter(120))
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darkPalette.setColor(QPalette.Highlight, highlight)
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darkPalette.setColor(QPalette.Disabled, QPalette.Highlight, QColor(80, 80, 80))
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darkPalette.setColor(QPalette.HighlightedText, Qt.white)
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darkPalette.setColor(QPalette.Disabled, QPalette.HighlightedText, QColor(127, 127, 127))
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darkPalette.setColor(QPalette.Shadow, Qt.black)
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darkPalette.setColor(QPalette.Link, highlight.lighter(130))
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self.darkPalette = darkPalette
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self.defaultPalette = QApplication.instance().palette()
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self.togglePalette()
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@Slot()
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def togglePalette(self):
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app = QApplication.instance()
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if app.palette() == self.darkPalette:
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app.setPalette(self.defaultPalette)
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else:
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app.setPalette(self.darkPalette)
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if self.qmlEngine.rootObjects():
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self.qmlEngine.reload()
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self.paletteChanged.emit()
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paletteChanged = Signal()
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palette = Property(QPalette, lambda self: QApplication.instance().palette(), notify=paletteChanged)
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