41 lines
1.7 KiB
Markdown
41 lines
1.7 KiB
Markdown
## Class: TouchBarButton
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> Create a button in the touch bar for native macOS applications
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Process: [Main](../tutorial/application-architecture.md#main-and-renderer-processes)
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### `new TouchBarButton(options)` _Experimental_
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* `options` Object
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* `label` String (optional) - Button text.
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* `accessibilityLabel` String (optional) - A short description of the button for use by screenreaders like VoiceOver.
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* `backgroundColor` String (optional) - Button background color in hex format,
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i.e `#ABCDEF`.
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* `icon` [NativeImage](native-image.md) | String (optional) - Button icon.
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* `iconPosition` String (optional) - Can be `left`, `right` or `overlay`. Defaults to `overlay`.
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* `click` Function (optional) - Function to call when the button is clicked.
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When defining `accessibilityLabel`, ensure you have considered macOS [best practices](https://developer.apple.com/documentation/appkit/nsaccessibilitybutton/1524910-accessibilitylabel?language=objc).
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### Instance Properties
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The following properties are available on instances of `TouchBarButton`:
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#### `touchBarButton.accessibilityLabel`
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A `String` representing the description of the button to be read by a screen reader. Will only be read by screen readers if no label is set.
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#### `touchBarButton.label`
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A `String` representing the button's current text. Changing this value immediately updates the button
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in the touch bar.
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#### `touchBarButton.backgroundColor`
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A `String` hex code representing the button's current background color. Changing this value immediately updates
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the button in the touch bar.
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#### `touchBarButton.icon`
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A `NativeImage` representing the button's current icon. Changing this value immediately updates the button
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in the touch bar.
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