anki/ts/sveltelib/theme.ts
RumovZ f2173fddb0
Live theme changes (#1497)
* Allow theme change at runtime and add hook

* Save or restore default palette on theme change

* Update aqt widget styles on theme change

* styling fixes

- drop _light_palette, as default_palette serves the same purpose
- save default platform theme, and restore it when switching away
from nightmode
- update macOS light/dark mode on theme switch
- fix unreadable menus on Windows

* update night-mode classes on theme change

This is the easy part - CSS styling that uses standard_css or our
css variables should update automatically. The main remaining issue
is JS code that sets colors based on the theme at the time it's run -
eg the graph code, and the editor.

* switch night mode value on toggle

* expose current theme via a store; switch graphs to use it

https://github.com/ankitects/anki/issues/1471#issuecomment-972402492

* start using currentTheme in editor/components

This fixes basic editing - there are still components that need updating.

* add simple xcodeproj for code completion

* add helper to get currently-active system theme on macOS

* fix setCurrentTheme not being immediately available

* live update tag color

* style().name() doesn't work on Qt5

* automatic theme switching on Windows/Mac

* currentTheme -> pageTheme

* Replace `nightModeKey` with `pageTheme`

Co-authored-by: Damien Elmes <gpg@ankiweb.net>
2021-11-25 07:17:41 +10:00

36 lines
1.1 KiB
TypeScript

// Copyright: Ankitects Pty Ltd and contributors
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
import { readable, get } from "svelte/store";
import { registerPackage } from "../lib/register-package";
interface ThemeInfo {
isDark: boolean;
}
function getThemeFromRoot(): ThemeInfo {
return {
isDark: document.documentElement.classList.contains("night-mode"),
};
}
let setPageTheme: ((theme: ThemeInfo) => void) | null = null;
/// The current theme that applies to this document/shadow root. When
/// previewing cards in the card layout screen, this may not match the
/// theme Anki is using in its UI.
export const pageTheme = readable(getThemeFromRoot(), (set) => {
setPageTheme = set;
});
// ensure setPageTheme is set immediately
get(pageTheme);
// Update theme when root element's class changes.
const observer = new MutationObserver((_mutationsList, _observer) => {
setPageTheme!(getThemeFromRoot());
});
observer.observe(document.documentElement, { attributeFilter: ["class"] });
registerPackage("anki/theme", {
pageTheme,
});