anki/qt/aqt/theme.py

222 lines
6.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright: Ankitects Pty Ltd and contributors
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
import platform
from typing import Dict, Optional
from anki.utils import isMac
from aqt import QApplication, gui_hooks, isWin
from aqt.colors import colors
from aqt.platform import set_dark_mode
from aqt.qt import QColor, QIcon, QPalette, QPixmap, QStyleFactory, Qt
class ThemeManager:
_night_mode_preference = False
_icon_cache_light: Dict[str, QIcon] = {}
_icon_cache_dark: Dict[str, QIcon] = {}
_icon_size = 128
_dark_mode_available: Optional[bool] = None
def macos_dark_mode(self) -> bool:
"True if the user has night mode on, and has forced native widgets."
if not isMac:
return False
if not self._night_mode_preference:
return False
if self._dark_mode_available is None:
self._dark_mode_available = set_dark_mode(True)
from aqt import mw
return self._dark_mode_available and mw.pm.dark_mode_widgets()
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 icon_from_resources(self, path: str) -> QIcon:
"Fetch icon from Qt resources, and invert if in night mode."
if self.night_mode:
cache = self._icon_cache_light
else:
cache = self._icon_cache_dark
icon = cache.get(path)
if icon:
return icon
icon = QIcon(path)
if self.night_mode:
img = icon.pixmap(self._icon_size, self._icon_size).toImage()
img.invertPixels()
icon = QIcon(QPixmap(img))
return cache.setdefault(path, icon)
def body_class(self, night_mode: Optional[bool] = None) -> str:
"Returns space-separated class list for platform/theme."
classes = []
if isWin:
classes.append("isWin")
elif isMac:
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")
return " ".join(classes)
def body_classes_for_card_ord(
self, card_ord: int, night_mode: Optional[bool] = None
) -> str:
"Returns body classes used when showing a card."
return f"card card{card_ord+1} {self.body_class(night_mode)}"
def str_color(self, key: str) -> str:
"""Get a color defined in _vars.scss
If the colour is called '--frame-bg', key should be
'frame-bg'.
Returns the color as a string hex code or color name."""
idx = 1 if self.night_mode else 0
c = colors.get(key)
if c is None:
raise Exception("no such color:", key)
return c[idx]
def qcolor(self, key: str) -> QColor:
"""Get a color defined in _vars.scss as a QColor."""
return QColor(self.str_color(key))
def apply_style(self, app: QApplication) -> None:
self._apply_palette(app)
self._apply_style(app)
def _apply_style(self, app: QApplication) -> None:
buf = ""
if isWin and platform.release() == "10" and not self.night_mode:
# add missing bottom border to menubar
buf += """
QMenuBar {
border-bottom: 1px solid #aaa;
background: white;
}
"""
# qt bug? setting the above changes the browser sidebar
# to white as well, so set it back
buf += """
QTreeWidget {
background: #eee;
}
"""
if self.night_mode:
buf += """
QToolTip {
border: 0;
}
"""
if not self.macos_dark_mode():
buf += """
QScrollBar { background-color: %s; }
QScrollBar::handle { background-color: %s; border-radius: 5px; }
QScrollBar:horizontal { height: 12px; }
QScrollBar::handle:horizontal { min-width: 50px; }
QScrollBar:vertical { width: 12px; }
QScrollBar::handle:vertical { min-height: 50px; }
QScrollBar::add-line {
border: none;
background: none;
}
QScrollBar::sub-line {
border: none;
background: none;
}
QTabWidget { background-color: %s; }
""" % (
self.str_color("window-bg"),
# fushion-button-hover-bg
"#656565",
self.str_color("window-bg"),
)
# allow addons to modify the styling
buf = gui_hooks.style_did_init(buf)
app.setStyleSheet(buf)
def _apply_palette(self, app: QApplication) -> None:
if not self.night_mode:
return
if not self.macos_dark_mode():
app.setStyle(QStyleFactory.create("fusion")) # type: ignore
palette = QPalette()
text_fg = self.qcolor("text-fg")
palette.setColor(QPalette.WindowText, text_fg)
palette.setColor(QPalette.ToolTipText, text_fg)
palette.setColor(QPalette.Text, text_fg)
palette.setColor(QPalette.ButtonText, text_fg)
hlbg = self.qcolor("highlight-bg")
hlbg.setAlpha(64)
palette.setColor(QPalette.HighlightedText, self.qcolor("highlight-fg"))
palette.setColor(QPalette.Highlight, hlbg)
window_bg = self.qcolor("window-bg")
palette.setColor(QPalette.Window, window_bg)
palette.setColor(QPalette.AlternateBase, window_bg)
palette.setColor(QPalette.Button, QColor("#454545"))
frame_bg = self.qcolor("frame-bg")
palette.setColor(QPalette.Base, frame_bg)
palette.setColor(QPalette.ToolTipBase, frame_bg)
disabled_color = self.qcolor("disabled")
palette.setColor(QPalette.Disabled, QPalette.Text, disabled_color)
palette.setColor(QPalette.Disabled, QPalette.ButtonText, disabled_color)
palette.setColor(QPalette.Disabled, QPalette.HighlightedText, disabled_color)
palette.setColor(QPalette.Link, self.qcolor("link"))
palette.setColor(QPalette.BrightText, Qt.red)
app.setPalette(palette)
def _update_stat_colors(self) -> None:
import anki.stats as s
s.colLearn = self.str_color("new-count")
s.colRelearn = self.str_color("learn-count")
s.colCram = self.str_color("suspended-bg")
s.colSusp = self.str_color("suspended-bg")
s.colMature = self.str_color("review-count")
theme_manager = ThemeManager()