148 lines
4.7 KiB
Python
148 lines
4.7 KiB
Python
import os
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import sys
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from PySide6.QtCore import Qt
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from PySide6.QtGui import QColor, QFont, QFontInfo, QIcon, QPalette
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from PySide6.QtWidgets import (
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QApplication,
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QGridLayout,
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QHBoxLayout,
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QLabel,
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QMainWindow,
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QPushButton,
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QWidget,
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)
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from .autoslicer import Autoslicer, AutoslicerParams
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from .controller import ScanSlicerControllerMixin
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from .ui_builders import ScanSlicerUiBuilderMixin
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# _unwrap_qvariant: function definition for ScanSlicer behavior.
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def _unwrap_qvariant(value):
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unwrapped = value
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for _ in range(4):
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if hasattr(unwrapped, "variant"):
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try:
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candidate = unwrapped.variant()
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except Exception:
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candidate = unwrapped
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if candidate is not unwrapped:
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unwrapped = candidate
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continue
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if hasattr(unwrapped, "value"):
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try:
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candidate = unwrapped.value()
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except TypeError:
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candidate = unwrapped.value
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except Exception:
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candidate = unwrapped
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if candidate is not unwrapped:
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unwrapped = candidate
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continue
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break
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return unwrapped
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# _read_portal_dark_preference: function definition for ScanSlicer behavior.
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def _read_portal_dark_preference():
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try:
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from PySide6.QtDBus import QDBusConnection, QDBusInterface, QDBusMessage
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except Exception:
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return None
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bus = QDBusConnection.sessionBus()
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if not bus.isConnected():
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return None
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iface = QDBusInterface(
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"org.freedesktop.portal.Desktop",
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"/org/freedesktop/portal/desktop",
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"org.freedesktop.portal.Settings",
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bus,
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)
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if not iface.isValid():
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return None
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for method in ("ReadOne", "Read"):
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reply = iface.call(method, "org.freedesktop.appearance", "color-scheme")
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if reply.type() == QDBusMessage.MessageType.ErrorMessage:
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continue
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args = reply.arguments()
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if not args:
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continue
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raw_value = _unwrap_qvariant(args[0])
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if isinstance(raw_value, dict) and "color-scheme" in raw_value:
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raw_value = _unwrap_qvariant(raw_value["color-scheme"])
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if isinstance(raw_value, (list, tuple)) and raw_value:
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raw_value = _unwrap_qvariant(raw_value[0])
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try:
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color_scheme = int(raw_value)
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except Exception:
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continue
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# XDG portal color-scheme values:
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# 0 = no preference, 1 = prefer dark, 2 = prefer light
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if color_scheme == 1:
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return True
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if color_scheme == 2:
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return False
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return None
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# apply_dark_theme_if_requested: function definition for ScanSlicer behavior.
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def apply_dark_theme_if_requested(app):
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theme_value = os.environ.get("GTK_THEME", "").lower()
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dark_theme_requested = "dark" in theme_value
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if not dark_theme_requested:
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portal_pref = _read_portal_dark_preference()
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if portal_pref is not None:
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dark_theme_requested = portal_pref
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if not dark_theme_requested:
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try:
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dark_theme_requested = app.styleHints().colorScheme() == Qt.ColorScheme.Dark
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except Exception:
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dark_theme_requested = False
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if not dark_theme_requested:
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return
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# Some container/desktop combinations do not propagate GTK dark theme
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# correctly to Qt widgets; enforce a dark palette when dark mode is requested.
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app.setStyle("Fusion")
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palette = QPalette()
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palette.setColor(QPalette.Window, QColor(53, 53, 53))
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palette.setColor(QPalette.WindowText, QColor(255, 255, 255))
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palette.setColor(QPalette.Base, QColor(35, 35, 35))
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palette.setColor(QPalette.AlternateBase, QColor(53, 53, 53))
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palette.setColor(QPalette.ToolTipBase, QColor(35, 35, 35))
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palette.setColor(QPalette.ToolTipText, QColor(255, 255, 255))
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palette.setColor(QPalette.Text, QColor(255, 255, 255))
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palette.setColor(QPalette.Button, QColor(53, 53, 53))
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palette.setColor(QPalette.ButtonText, QColor(255, 255, 255))
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palette.setColor(QPalette.BrightText, QColor(255, 0, 0))
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palette.setColor(QPalette.Highlight, QColor(42, 130, 218))
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palette.setColor(QPalette.HighlightedText, QColor(255, 255, 255))
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app.setPalette(palette)
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# apply_global_text_size_offset: function definition for ScanSlicer behavior.
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def apply_global_text_size_offset(app, pixel_offset=2):
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font = app.font()
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info = QFontInfo(font)
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pixel_size = info.pixelSize()
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if pixel_size > 0:
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font.setPixelSize(pixel_size + pixel_offset)
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else:
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point_size = info.pointSizeF()
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if point_size <= 0:
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point_size = 10.0
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font.setPointSizeF(point_size + (pixel_offset * 0.75))
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app.setFont(font)
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