Anki/qt/aqt/platform.py

92 lines
2.4 KiB
Python

# Copyright: Ankitects Pty Ltd and contributors
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
"""Platform-specific functionality."""
from __future__ import annotations
import os
import subprocess
import sys
from ctypes import CDLL
import aqt.utils
from anki.utils import is_lin, is_mac, is_win
def get_windows_dark_mode() -> bool:
"True if Windows system is currently in dark mode."
if not is_win:
return False
from winreg import ( # pylint: disable=import-error
HKEY_CURRENT_USER,
OpenKey,
QueryValueEx,
)
key = OpenKey(
HKEY_CURRENT_USER,
r"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize",
)
return not QueryValueEx(key, "AppsUseLightTheme")[0]
def set_macos_dark_mode(enabled: bool) -> bool:
"True if setting successful."
if not is_mac:
return False
try:
_ankihelper().set_darkmode_enabled(enabled)
return True
except Exception as e:
# swallow exceptions, as library will fail on macOS 10.13
print(e)
return False
def get_macos_dark_mode() -> bool:
"True if macOS system is currently in dark mode."
if not is_mac:
return False
try:
return _ankihelper().system_is_dark()
except Exception as e:
# swallow exceptions, as library will fail on macOS 10.13
print(e)
return False
def get_linux_dark_mode() -> bool:
"""True if Linux system is in dark mode.
This only works if the GTK theme name contains '-dark'"""
if not is_lin:
return False
try:
process = subprocess.run(
["gsettings", "get", "org.gnome.desktop.interface", "gtk-theme"],
check=True,
capture_output=True,
encoding="utf8",
)
except FileNotFoundError as e:
# swallow exceptions, as gsettings may not be installed
print(e)
return False
return "-dark" in process.stdout.lower()
_ankihelper_dll: CDLL | None = None
def _ankihelper() -> CDLL:
global _ankihelper_dll
if _ankihelper_dll:
return _ankihelper_dll
if getattr(sys, "frozen", False):
path = os.path.join(sys.prefix, "libankihelper.dylib")
else:
path = os.path.join(aqt.utils.aqt_data_folder(), "lib", "libankihelper.dylib")
_ankihelper_dll = CDLL(path)
return _ankihelper_dll