mirror of
https://github.com/ToolJet/ToolJet
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75 lines
2.6 KiB
Markdown
75 lines
2.6 KiB
Markdown
---
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id: qr-scanner
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title: QR Scanner
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---
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# QR Scanner
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Scan QR codes using device camera and hold the data they carry.
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<div style={{textAlign: 'center'}}>
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<img className="screenshot-full" src="/img/widgets/qr-scanner/qr-scanner.jpeg" alt="ToolJet - Widget Reference - QR Scanner" />
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</div>
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:::note Known Issue
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You might have to stick to the Safari browser in IOS as camera access is restricted for third-party browsers.
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:::
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## Exposed variables
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### lastDetectedValue
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This variable holds the data contained in the last QR code scanned by the widget. To fetch the data use `{{components.qrscanner1.lastDetectedValue}}`.
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## Events
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### onDetect
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This event is fired whenever the widget successfully scans a QR code.
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:::info
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Check [Action Reference](/docs/category/actions-reference) docs to get the detailed information about all the **Actions**.
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:::
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:::caution Debugging tip
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Browser camera APIs restrict this widget to only work in either `localhost` or `https`.
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So if you're testing it out, be sure to either use `localhost` or `https`.
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:::
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## General
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### Tooltip
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A Tooltip is often used to specify extra information about something when the user hovers the
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mouse pointer over the widget.
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Under the <b>General</b> accordion, you can set the value in the string format.
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Now hovering over the widget will display the string as the tooltip.
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<div style={{textAlign: 'center'}}>
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<img className="screenshot-full" src="/img/tooltip.png" alt="ToolJet - Widget Reference - QR Scanner" />
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</div>
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## Layout
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### Show on desktop
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Toggle on or off to display the widget in desktop view. You can programmatically determine the value by clicking on `Fx` to set the value `{{true}}` or `{{false}}`.
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### Show on mobile
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Toggle on or off to display the widget in mobile view. You can programmatically determine the value by clicking on `Fx` to set the value `{{true}}` or `{{false}}`.
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## Styles
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### Visibility
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Toggle on or off to control the visibility of the widget. You can programmatically change its value by clicking on the `Fx` button next to it. If `{{false}}` the widget will not be visible after the app is deployed. By default, it's set to `{{true}}`.
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### Disable
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This is `off` by default, toggle `on` the switch to lock the widget and make it non-functional. You can also programmatically set the value by clicking on the `Fx` button next to it. If set to `{{true}}`, the widget will be locked and becomes non-functional. By default, its value is set to `{{false}}`.
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## Component specific actions (CSA)
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There are currently no CSA (Component-Specific Actions) implemented to regulate or control the component.
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