b97fabb677
* Make Qt stylesheets fully responsive to RTL * Fix typing
430 lines
13 KiB
Python
430 lines
13 KiB
Python
# Copyright: Ankitects Pty Ltd and contributors
|
|
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
|
|
|
|
from __future__ import annotations
|
|
|
|
import enum
|
|
import os
|
|
import platform
|
|
import re
|
|
import subprocess
|
|
from dataclasses import dataclass
|
|
from typing import Callable, List, Tuple
|
|
|
|
import anki.lang
|
|
import aqt
|
|
from anki.lang import is_rtl
|
|
from anki.utils import is_lin, is_mac, is_win
|
|
from aqt import QApplication, colors, gui_hooks
|
|
from aqt.qt import (
|
|
QColor,
|
|
QGuiApplication,
|
|
QIcon,
|
|
QPainter,
|
|
QPalette,
|
|
QPixmap,
|
|
QStyleFactory,
|
|
Qt,
|
|
)
|
|
|
|
|
|
@dataclass
|
|
class ColoredIcon:
|
|
path: str
|
|
# (day, night)
|
|
color: tuple[str, str]
|
|
|
|
def current_color(self, night_mode: bool) -> str:
|
|
if night_mode:
|
|
return self.color[1]
|
|
else:
|
|
return self.color[0]
|
|
|
|
def with_color(self, color: tuple[str, str]) -> ColoredIcon:
|
|
return ColoredIcon(path=self.path, color=color)
|
|
|
|
|
|
class Theme(enum.IntEnum):
|
|
FOLLOW_SYSTEM = 0
|
|
LIGHT = 1
|
|
DARK = 2
|
|
|
|
|
|
class ThemeManager:
|
|
_night_mode_preference = False
|
|
_icon_cache_light: dict[str, QIcon] = {}
|
|
_icon_cache_dark: dict[str, QIcon] = {}
|
|
_icon_size = 128
|
|
_dark_mode_available: bool | None = None
|
|
default_palette: QPalette | None = None
|
|
_default_style: str | None = None
|
|
|
|
def rtl(self) -> bool:
|
|
return is_rtl(anki.lang.current_lang)
|
|
|
|
def left(self) -> str:
|
|
return "right" if self.rtl() else "left"
|
|
|
|
def right(self) -> str:
|
|
return "left" if self.rtl() else "right"
|
|
|
|
# Qt applies a gradient to the buttons in dark mode
|
|
# from about #505050 to #606060.
|
|
DARK_MODE_BUTTON_BG_MIDPOINT = "#555555"
|
|
|
|
def macos_dark_mode(self) -> bool:
|
|
"True if the user has night mode on."
|
|
if not is_mac:
|
|
return False
|
|
|
|
if not self._night_mode_preference:
|
|
return False
|
|
|
|
if self._dark_mode_available is None:
|
|
self._dark_mode_available = set_macos_dark_mode(True)
|
|
|
|
return self._dark_mode_available
|
|
|
|
def get_night_mode(self) -> bool:
|
|
return self._night_mode_preference
|
|
|
|
def set_night_mode(self, val: bool) -> None:
|
|
self._night_mode_preference = val
|
|
self._update_stat_colors()
|
|
|
|
night_mode = property(get_night_mode, set_night_mode)
|
|
|
|
def themed_icon(self, path: str) -> str:
|
|
"Fetch themed version of svg."
|
|
from aqt.utils import aqt_data_folder
|
|
|
|
if m := re.match(r"(?:mdi:)(.+)$", path):
|
|
name = m.group(1)
|
|
else:
|
|
return path
|
|
|
|
filename = f"{name}-{'dark' if self.night_mode else 'light'}.svg"
|
|
|
|
return (
|
|
os.path.join(aqt_data_folder(), "qt", "icons", filename)
|
|
.replace("\\\\?\\", "")
|
|
.replace("\\", "/")
|
|
)
|
|
|
|
def icon_from_resources(self, path: str | ColoredIcon) -> QIcon:
|
|
"Fetch icon from Qt resources."
|
|
if self.night_mode:
|
|
cache = self._icon_cache_light
|
|
else:
|
|
cache = self._icon_cache_dark
|
|
|
|
if isinstance(path, str):
|
|
key = path
|
|
else:
|
|
key = f"{path.path}-{path.color}"
|
|
|
|
icon = cache.get(key)
|
|
if icon:
|
|
return icon
|
|
|
|
if isinstance(path, str):
|
|
# default black/white
|
|
if "mdi:" in path:
|
|
icon = QIcon(self.themed_icon(path))
|
|
else:
|
|
icon = QIcon(path)
|
|
if self.night_mode:
|
|
img = icon.pixmap(self._icon_size, self._icon_size).toImage()
|
|
img.invertPixels()
|
|
icon = QIcon(QPixmap(img))
|
|
else:
|
|
# specified colours
|
|
icon = QIcon(path.path)
|
|
pixmap = icon.pixmap(16)
|
|
painter = QPainter(pixmap)
|
|
painter.setCompositionMode(
|
|
QPainter.CompositionMode.CompositionMode_SourceIn
|
|
)
|
|
painter.fillRect(pixmap.rect(), QColor(path.current_color(self.night_mode)))
|
|
painter.end()
|
|
icon = QIcon(pixmap)
|
|
return icon
|
|
|
|
return cache.setdefault(path, icon)
|
|
|
|
def body_class(self, night_mode: bool | None = None) -> str:
|
|
"Returns space-separated class list for platform/theme/global settings."
|
|
classes = []
|
|
if is_win:
|
|
classes.append("isWin")
|
|
elif is_mac:
|
|
classes.append("isMac")
|
|
else:
|
|
classes.append("isLin")
|
|
|
|
if night_mode is None:
|
|
night_mode = self.night_mode
|
|
if night_mode:
|
|
classes.extend(["nightMode", "night_mode"])
|
|
if self.macos_dark_mode():
|
|
classes.append("macos-dark-mode")
|
|
if aqt.mw.pm.reduced_motion():
|
|
classes.append("reduced-motion")
|
|
return " ".join(classes)
|
|
|
|
def body_classes_for_card_ord(
|
|
self, card_ord: int, night_mode: bool | None = None
|
|
) -> str:
|
|
"Returns body classes used when showing a card."
|
|
return f"card card{card_ord+1} {self.body_class(night_mode)}"
|
|
|
|
def var(self, vars: tuple[str, str]) -> str:
|
|
"""Given day/night colors/props, return the correct one for the current theme."""
|
|
idx = 1 if self.night_mode else 0
|
|
return vars[idx]
|
|
|
|
def qcolor(self, colors: tuple[str, str]) -> QColor:
|
|
return QColor(self.var(colors))
|
|
|
|
def _determine_night_mode(self) -> bool:
|
|
theme = aqt.mw.pm.theme()
|
|
if theme == Theme.LIGHT:
|
|
return False
|
|
elif theme == Theme.DARK:
|
|
return True
|
|
else:
|
|
if is_win:
|
|
return get_windows_dark_mode()
|
|
elif is_mac:
|
|
return get_macos_dark_mode()
|
|
else:
|
|
return get_linux_dark_mode()
|
|
|
|
def apply_style_if_system_style_changed(self) -> None:
|
|
theme = aqt.mw.pm.theme()
|
|
if theme != Theme.FOLLOW_SYSTEM:
|
|
return
|
|
if self._determine_night_mode() != self.night_mode:
|
|
self.apply_style()
|
|
|
|
def apply_style(self) -> None:
|
|
"Apply currently configured style."
|
|
app = aqt.mw.app
|
|
self.night_mode = self._determine_night_mode()
|
|
if not self.default_palette:
|
|
self.default_palette = QGuiApplication.palette()
|
|
self._default_style = app.style().objectName()
|
|
self._apply_palette(app)
|
|
self._apply_style(app)
|
|
gui_hooks.theme_did_change()
|
|
|
|
def _apply_style(self, app: QApplication) -> None:
|
|
from aqt.stylesheets import splitter_styles
|
|
|
|
buf = splitter_styles(self)
|
|
|
|
if not is_mac:
|
|
from aqt.stylesheets import (
|
|
button_styles,
|
|
checkbox_styles,
|
|
combobox_styles,
|
|
general_styles,
|
|
scrollbar_styles,
|
|
spinbox_styles,
|
|
table_styles,
|
|
tabwidget_styles,
|
|
win10_styles,
|
|
)
|
|
|
|
buf += "".join(
|
|
[
|
|
general_styles(self),
|
|
button_styles(self),
|
|
combobox_styles(self),
|
|
tabwidget_styles(self),
|
|
table_styles(self),
|
|
spinbox_styles(self),
|
|
checkbox_styles(self),
|
|
scrollbar_styles(self),
|
|
]
|
|
)
|
|
|
|
if is_win and platform.release() == "10":
|
|
buf += win10_styles(self)
|
|
|
|
# allow addons to modify the styling
|
|
buf = gui_hooks.style_did_init(buf)
|
|
|
|
app.setStyleSheet(buf)
|
|
|
|
def _apply_palette(self, app: QApplication) -> None:
|
|
set_macos_dark_mode(self.night_mode)
|
|
|
|
if not self.night_mode:
|
|
app.setStyle(QStyleFactory.create(self._default_style)) # type: ignore
|
|
self.default_palette.setColor(
|
|
QPalette.ColorRole.Window, self.qcolor(colors.CANVAS)
|
|
)
|
|
app.setPalette(self.default_palette)
|
|
return
|
|
|
|
if not self.macos_dark_mode():
|
|
app.setStyle(QStyleFactory.create("fusion")) # type: ignore
|
|
|
|
palette = QPalette()
|
|
|
|
text = self.qcolor(colors.FG)
|
|
palette.setColor(QPalette.ColorRole.WindowText, text)
|
|
palette.setColor(QPalette.ColorRole.ToolTipText, text)
|
|
palette.setColor(QPalette.ColorRole.Text, text)
|
|
palette.setColor(QPalette.ColorRole.ButtonText, text)
|
|
|
|
hlbg = self.qcolor(colors.HIGHLIGHT_BG)
|
|
hlbg.setAlpha(64)
|
|
palette.setColor(
|
|
QPalette.ColorRole.HighlightedText, self.qcolor(colors.HIGHLIGHT_FG)
|
|
)
|
|
palette.setColor(QPalette.ColorRole.Highlight, hlbg)
|
|
|
|
canvas = self.qcolor(colors.CANVAS)
|
|
palette.setColor(QPalette.ColorRole.Window, canvas)
|
|
palette.setColor(QPalette.ColorRole.AlternateBase, canvas)
|
|
|
|
palette.setColor(QPalette.ColorRole.Button, QColor("#454545"))
|
|
|
|
canvas_inset = self.qcolor(colors.CANVAS_INSET)
|
|
palette.setColor(QPalette.ColorRole.Base, canvas_inset)
|
|
palette.setColor(QPalette.ColorRole.ToolTipBase, canvas_inset)
|
|
|
|
palette.setColor(
|
|
QPalette.ColorRole.PlaceholderText, self.qcolor(colors.FG_SUBTLE)
|
|
)
|
|
|
|
disabled_color = self.qcolor(colors.FG_DISABLED)
|
|
palette.setColor(
|
|
QPalette.ColorGroup.Disabled, QPalette.ColorRole.Text, disabled_color
|
|
)
|
|
palette.setColor(
|
|
QPalette.ColorGroup.Disabled, QPalette.ColorRole.ButtonText, disabled_color
|
|
)
|
|
palette.setColor(
|
|
QPalette.ColorGroup.Disabled,
|
|
QPalette.ColorRole.HighlightedText,
|
|
disabled_color,
|
|
)
|
|
|
|
palette.setColor(QPalette.ColorRole.Link, self.qcolor(colors.ACCENT_LINK))
|
|
|
|
palette.setColor(QPalette.ColorRole.BrightText, Qt.GlobalColor.red)
|
|
|
|
app.setPalette(palette)
|
|
|
|
def _update_stat_colors(self) -> None:
|
|
import anki.stats as s
|
|
|
|
s.colLearn = self.var(colors.STATE_NEW)
|
|
s.colRelearn = self.var(colors.STATE_LEARN)
|
|
s.colCram = self.var(colors.STATE_SUSPENDED)
|
|
s.colSusp = self.var(colors.STATE_SUSPENDED)
|
|
s.colMature = self.var(colors.STATE_REVIEW)
|
|
s._legacy_nightmode = self._night_mode_preference
|
|
|
|
|
|
def get_windows_dark_mode() -> bool:
|
|
"True if Windows system is currently in dark mode."
|
|
if not is_win:
|
|
return False
|
|
|
|
from winreg import ( # type: ignore[attr-defined] # pylint: disable=import-error
|
|
HKEY_CURRENT_USER,
|
|
OpenKey,
|
|
QueryValueEx,
|
|
)
|
|
|
|
try:
|
|
key = OpenKey(
|
|
HKEY_CURRENT_USER,
|
|
r"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize",
|
|
)
|
|
return not QueryValueEx(key, "AppsUseLightTheme")[0]
|
|
except Exception as err:
|
|
# key reportedly missing or set to wrong type on some systems
|
|
return False
|
|
|
|
|
|
def set_macos_dark_mode(enabled: bool) -> bool:
|
|
"True if setting successful."
|
|
from aqt._macos_helper import macos_helper
|
|
|
|
if not macos_helper:
|
|
return False
|
|
return macos_helper.set_darkmode_enabled(enabled)
|
|
|
|
|
|
def get_macos_dark_mode() -> bool:
|
|
"True if macOS system is currently in dark mode."
|
|
from aqt._macos_helper import macos_helper
|
|
|
|
if not macos_helper:
|
|
return False
|
|
return macos_helper.system_is_dark()
|
|
|
|
|
|
def get_linux_dark_mode() -> bool:
|
|
"""True if Linux system is in dark mode.
|
|
Only works if D-Bus is installed and system uses org.freedesktop.appearance
|
|
color-scheme to indicate dark mode preference OR if GNOME theme has
|
|
'-dark' in the name."""
|
|
if not is_lin:
|
|
return False
|
|
|
|
def parse_stdout_dbus_send(stdout: str) -> bool:
|
|
dbus_response = stdout.split()
|
|
if len(dbus_response) != 4:
|
|
return False
|
|
|
|
# https://github.com/flatpak/xdg-desktop-portal/blob/main/data/org.freedesktop.impl.portal.Settings.xml#L40
|
|
PREFER_DARK = "1"
|
|
|
|
return dbus_response[-1] == PREFER_DARK
|
|
|
|
dark_mode_detection_strategies: List[Tuple[str, Callable[[str], bool]]] = [
|
|
(
|
|
"dbus-send --session --print-reply=literal --reply-timeout=1000 "
|
|
"--dest=org.freedesktop.portal.Desktop /org/freedesktop/portal/desktop "
|
|
"org.freedesktop.portal.Settings.Read string:'org.freedesktop.appearance' "
|
|
"string:'color-scheme'",
|
|
parse_stdout_dbus_send,
|
|
),
|
|
(
|
|
"gsettings get org.gnome.desktop.interface gtk-theme",
|
|
lambda stdout: "-dark" in stdout.lower(),
|
|
),
|
|
]
|
|
|
|
for cmd, parse_stdout in dark_mode_detection_strategies:
|
|
try:
|
|
process = subprocess.run(
|
|
cmd,
|
|
shell=True,
|
|
check=True,
|
|
capture_output=True,
|
|
encoding="utf8",
|
|
)
|
|
except FileNotFoundError as e:
|
|
# detection strategy failed, missing program
|
|
print(e)
|
|
continue
|
|
|
|
except subprocess.CalledProcessError as e:
|
|
# detection strategy failed, command returned error
|
|
print(e)
|
|
continue
|
|
|
|
return parse_stdout(process.stdout)
|
|
|
|
return False # all dark mode detection strategies failed
|
|
|
|
|
|
theme_manager = ThemeManager()
|