186 lines
4.2 KiB
Markdown
186 lines
4.2 KiB
Markdown
# Tray
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A `Tray` represents an icon in an operating system's notification area, it is
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usually attached with a context menu.
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```javascript
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var app = require('app');
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var Menu = require('menu');
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var Tray = require('tray');
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var appIcon = null;
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app.on('ready', function(){
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appIcon = new Tray('/path/to/my/icon');
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var contextMenu = Menu.buildFromTemplate([
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{ label: 'Item1', type: 'radio' },
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{ label: 'Item2', type: 'radio' },
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{ label: 'Item3', type: 'radio', checked: true },
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{ label: 'Item4', type: 'radio' }
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]);
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appIcon.setToolTip('This is my application.');
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appIcon.setContextMenu(contextMenu);
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});
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```
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__Platform limitations:__
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* On Linux the app indicator will be used if it is supported, otherwise
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`GtkStatusIcon` will be used instead.
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* On Linux distributions that only have app indicator support, you have to
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install `libappindicator1` to make the tray icon work.
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* App indicator will only be shown when it has a context menu.
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* When app indicator is used on Linux, the `clicked` event is ignored.
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If you want to keep exact same behaviors on all platforms, you should not
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rely on the `clicked` event and always attach a context menu to the tray icon.
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## Class: Tray
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`Tray` is an [EventEmitter][event-emitter].
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### `new Tray(image)`
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* `image` [NativeImage](native-image.md)
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Creates a new tray icon associated with the `image`.
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## Events
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The `Tray` module emits the following events:
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**Note:** Some events are only available on specific operating systems and are
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labeled as such.
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### Event: 'clicked'
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* `event` Event
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* `altKey` Boolean
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* `shiftKey` Boolean
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* `ctrlKey` Boolean
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* `metaKey` Boolean
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* `bounds` Object - the bounds of tray icon.
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* `x` Integer
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* `y` Integer
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* `width` Integer
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* `height` Integer
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Emitted when the tray icon is clicked.
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__Note:__ The `bounds` payload is only implemented on OS X and Windows.
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### Event: 'right-clicked' _OS X_ _Windows_
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* `event` Event
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* `altKey` Boolean
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* `shiftKey` Boolean
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* `ctrlKey` Boolean
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* `metaKey` Boolean
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* `bounds` Object - the bounds of tray icon.
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* `x` Integer
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* `y` Integer
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* `width` Integer
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* `height` Integer
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Emitted when the tray icon is right clicked.
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### Event: 'double-clicked' _OS X_ _Windows_
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* `event` Event
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* `altKey` Boolean
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* `shiftKey` Boolean
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* `ctrlKey` Boolean
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* `metaKey` Boolean
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* `bounds` Object - the bounds of tray icon
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* `x` Integer
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* `y` Integer
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* `width` Integer
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* `height` Integer
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Emitted when the tray icon is double clicked.
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### Event: 'balloon-show' _Windows_
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Emitted when the tray balloon shows.
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### Event: 'balloon-clicked' _Windows_
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Emitted when the tray balloon is clicked.
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### Event: 'balloon-closed' _Windows_
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Emitted when the tray balloon is closed because of timeout or user manually
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closes it.
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### Event: 'drop-files' _OS X_
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* `event`
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* `files` Array - the file path of dropped files.
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Emitted when dragged files are dropped in the tray icon.
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## Methods
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The `Tray` module has the following methods:
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**Note:** Some methods are only available on specific operating systems and are
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labeled as such.
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### `Tray.destroy()`
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Destroys the tray icon immediately.
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### `Tray.setImage(image)`
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* `image` [NativeImage](native-image.md)
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Sets the `image` associated with this tray icon.
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### `Tray.setPressedImage(image)` _OS X_
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* `image` [NativeImage](native-image.md)
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Sets the `image` associated with this tray icon when pressed on OS X.
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### `Tray.setToolTip(toolTip)`
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* `toolTip` String
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Sets the hover text for this tray icon.
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### `Tray.setTitle(title)` _OS X_
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* `title` String
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Sets the title displayed aside of the tray icon in the status bar.
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### `Tray.setHighlightMode(highlight)` _OS X_
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* `highlight` Boolean
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Sets whether the tray icon is highlighted when it is clicked.
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### `Tray.displayBalloon(options)` _Windows_
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* `options` Object
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* `icon` [NativeImage](native-image.md)
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* `title` String
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* `content` String
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Displays a tray balloon.
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### `Tray.popUpContextMenu([position])` _OS X_ _Windows_
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* `position` Object (optional)- The pop up position.
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* `x` Integer
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* `y` Integer
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The `position` is only available on Windows, and it is (0, 0) by default.
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### `Tray.setContextMenu(menu)`
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* `menu` Menu
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Sets the context menu for this icon.
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[event-emitter]: http://nodejs.org/api/events.html#events_class_events_eventemitter
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