5c5e006e46
* docs: sync table of content from pull-requests.md to CONTRIBUTING.md This also fixes some incorrect / dead links. * docs: fix a bunch of typos
66 lines
2.9 KiB
Markdown
66 lines
2.9 KiB
Markdown
# nativeTheme
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> Read and respond to changes in Chromium's native color theme.
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Process: [Main](../glossary.md#main-process)
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## Events
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The `nativeTheme` module emits the following events:
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### Event: 'updated'
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Emitted when something in the underlying NativeTheme has changed. This normally
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means that either the value of `shouldUseDarkColors`,
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`shouldUseHighContrastColors` or `shouldUseInvertedColorScheme` has changed.
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You will have to check them to determine which one has changed.
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## Properties
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The `nativeTheme` module has the following properties:
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### `nativeTheme.shouldUseDarkColors` _Readonly_
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A `Boolean` for if the OS / Chromium currently has a dark mode enabled or is
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being instructed to show a dark-style UI. If you want to modify this value you
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should use `themeSource` below.
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### `nativeTheme.themeSource`
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A `String` property that can be `system`, `light` or `dark`. It is used to override and supersede
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the value that Chromium has chosen to use internally.
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Setting this property to `system` will remove the override and
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everything will be reset to the OS default. By default `themeSource` is `system`.
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Settings this property to `dark` will have the following effects:
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* `nativeTheme.shouldUseDarkColors` will be `true` when accessed
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* Any UI Electron renders on Linux and Windows including context menus, devtools, etc. will use the dark UI.
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* Any UI the OS renders on macOS including menus, window frames, etc. will use the dark UI.
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* The [`prefers-color-scheme`](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme) CSS query will match `dark` mode.
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* The `updated` event will be emitted
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Settings this property to `light` will have the following effects:
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* `nativeTheme.shouldUseDarkColors` will be `false` when accessed
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* Any UI Electron renders on Linux and Windows including context menus, devtools, etc. will use the light UI.
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* Any UI the OS renders on macOS including menus, window frames, etc. will use the light UI.
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* The [`prefers-color-scheme`](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme) CSS query will match `light` mode.
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* The `updated` event will be emitted
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The usage of this property should align with a classic "dark mode" state machine in your application
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where the user has three options.
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* `Follow OS` --> `themeSource = 'system'`
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* `Dark Mode` --> `themeSource = 'dark'`
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* `Light Mode` --> `themeSource = 'light'`
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Your application should then always use `shouldUseDarkColors` to determine what CSS to apply.
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### `nativeTheme.shouldUseHighContrastColors` _macOS_ _Windows_ _Readonly_
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A `Boolean` for if the OS / Chromium currently has high-contrast mode enabled
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or is being instructed to show a high-contrast UI.
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### `nativeTheme.shouldUseInvertedColorScheme` _macOS_ _Windows_ _Readonly_
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A `Boolean` for if the OS / Chromium currently has an inverted color scheme
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or is being instructed to use an inverted color scheme.
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