145 lines
4.3 KiB
Python
145 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright: Ankitects Pty Ltd and contributors
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# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import platform
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from typing import Dict
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from anki.utils import isMac
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from aqt import QApplication, gui_hooks, isWin
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from aqt.colors import colors
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from aqt.qt import QColor, QIcon, QPalette, QPixmap, QStyleFactory, Qt
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class ThemeManager:
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night_mode = True
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_icon_cache: Dict[str, QIcon] = {}
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_icon_size = 128
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def icon_from_resources(self, path: str) -> QIcon:
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"Fetch icon from Qt resources, and invert if in night mode."
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icon = self._icon_cache.get(path)
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if icon:
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return icon
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icon = QIcon(path)
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if self.night_mode:
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img = icon.pixmap(self._icon_size, self._icon_size).toImage()
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img.invertPixels()
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icon = QIcon(QPixmap(img))
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return self._icon_cache.setdefault(path, icon)
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def body_class(self) -> str:
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"Returns space-separated class list for platform/theme."
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classes = []
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if isWin:
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classes.append("isWin")
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elif isMac:
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classes.append("isMac")
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else:
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classes.append("isLin")
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if self.night_mode:
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classes.append("nightMode")
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return " ".join(classes)
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def body_classes_for_card_ord(self, card_ord: int) -> str:
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"Returns body classes used when showing a card."
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return f"card card{card_ord+1} {self.body_class()}"
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def str_color(self, key: str) -> str:
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"""Get a color defined in _vars.scss
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If the colour is called '$day-frame-bg', key should be
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'frame-bg'.
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Returns the color as a string hex code or color name."""
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prefix = self.night_mode and "night-" or "day-"
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c = colors.get(prefix + key)
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if c is None:
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raise Exception("no such color:", key)
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return c
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def qcolor(self, key: str) -> QColor:
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"""Get a color defined in _vars.scss as a QColor."""
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return QColor(self.str_color(key))
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def apply_style(self, app: QApplication) -> None:
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self._apply_palette(app)
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self._apply_style(app)
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def _apply_style(self, app: QApplication) -> None:
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buf = ""
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if isWin and platform.release() == "10" and not self.night_mode:
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# add missing bottom border to menubar
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buf += """
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QMenuBar {
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border-bottom: 1px solid #aaa;
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background: white;
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}
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"""
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# qt bug? setting the above changes the browser sidebar
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# to white as well, so set it back
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buf += """
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QTreeWidget {
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background: #eee;
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}
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"""
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if self.night_mode:
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buf += """
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QToolTip {
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border: 0;
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}
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"""
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# allow addons to modify the styling
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buf = gui_hooks.style_did_init(buf)
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app.setStyleSheet(buf)
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def _apply_palette(self, app: QApplication) -> None:
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if not self.night_mode:
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return
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app.setStyle(QStyleFactory.create("fusion")) # type: ignore
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palette = QPalette()
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text_fg = self.qcolor("text-fg")
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palette.setColor(QPalette.WindowText, text_fg)
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palette.setColor(QPalette.ToolTipText, text_fg)
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palette.setColor(QPalette.Text, text_fg)
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palette.setColor(QPalette.ButtonText, text_fg)
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hlbg = self.qcolor("highlight-bg")
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hlbg.setAlpha(64)
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palette.setColor(QPalette.HighlightedText, self.qcolor("highlight-fg"))
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palette.setColor(QPalette.Highlight, hlbg)
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window_bg = self.qcolor("window-bg")
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palette.setColor(QPalette.Window, window_bg)
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palette.setColor(QPalette.AlternateBase, window_bg)
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palette.setColor(QPalette.Button, window_bg)
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frame_bg = self.qcolor("frame-bg")
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palette.setColor(QPalette.Base, frame_bg)
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palette.setColor(QPalette.ToolTipBase, frame_bg)
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disabled_color = self.qcolor("disabled")
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palette.setColor(QPalette.Disabled, QPalette.Text, disabled_color)
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palette.setColor(QPalette.Disabled, QPalette.ButtonText, disabled_color)
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palette.setColor(QPalette.Disabled, QPalette.HighlightedText, disabled_color)
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palette.setColor(QPalette.Link, self.qcolor("link"))
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palette.setColor(QPalette.BrightText, Qt.red)
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app.setPalette(palette)
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theme_manager = ThemeManager()
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