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feat(main): implement def apply_dark_theme_if_requested

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dev 2026-02-23 14:39:20 +00:00
parent 822e8d8989
commit 966b455c0e
1 changed files with 37 additions and 0 deletions
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37
scanslicer/main.py
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@ -92,3 +92,40 @@ def _read_portal_dark_preference():
if color_scheme == 2:
return False
return None
# apply_dark_theme_if_requested: function definition for ScanSlicer behavior.
def apply_dark_theme_if_requested(app):
theme_value = os.environ.get("GTK_THEME", "").lower()
dark_theme_requested = "dark" in theme_value
if not dark_theme_requested:
portal_pref = _read_portal_dark_preference()
if portal_pref is not None:
dark_theme_requested = portal_pref
if not dark_theme_requested:
try:
dark_theme_requested = app.styleHints().colorScheme() == Qt.ColorScheme.Dark
except Exception:
dark_theme_requested = False
if not dark_theme_requested:
return
# Some container/desktop combinations do not propagate GTK dark theme
# correctly to Qt widgets; enforce a dark palette when dark mode is requested.
app.setStyle("Fusion")
palette = QPalette()
palette.setColor(QPalette.Window, QColor(53, 53, 53))
palette.setColor(QPalette.WindowText, QColor(255, 255, 255))
palette.setColor(QPalette.Base, QColor(35, 35, 35))
palette.setColor(QPalette.AlternateBase, QColor(53, 53, 53))
palette.setColor(QPalette.ToolTipBase, QColor(35, 35, 35))
palette.setColor(QPalette.ToolTipText, QColor(255, 255, 255))
palette.setColor(QPalette.Text, QColor(255, 255, 255))
palette.setColor(QPalette.Button, QColor(53, 53, 53))
palette.setColor(QPalette.ButtonText, QColor(255, 255, 255))
palette.setColor(QPalette.BrightText, QColor(255, 0, 0))
palette.setColor(QPalette.Highlight, QColor(42, 130, 218))
palette.setColor(QPalette.HighlightedText, QColor(255, 255, 255))
app.setPalette(palette)