LightningPayerScreen:
    id: s
    name: 'lightning_payer'
    invoice_data: '' 
    BoxLayout:
        orientation: "vertical"
        BlueButton:
            text: s.invoice_data if s.invoice_data else _('Lightning invoice')
            shorten: True
            on_release: Clock.schedule_once(lambda dt: app.show_info(_('Copy and paste the lightning invoice using the Paste button, or use the camera to scan a QR code.')))
        GridLayout:
            cols: 4
            size_hint: 1, None
            height: '48dp'
            IconButton:
                id: qr
                on_release: Clock.schedule_once(lambda dt: app.scan_qr(on_complete=s.on_lightning_qr))
                icon: 'atlas://gui/kivy/theming/light/camera'
            Button:
                text: _('Paste')
                on_release: s.parent.do_paste()
            Button:
                text: _('Paste sample')
                on_release: s.parent.do_paste_sample()
            Button:
                text: _('Clear')
                on_release: s.parent.do_clear()
        Button:
            size_hint: 1, None
            height: '48dp'
            text: _('Pay pasted/scanned invoice')
            on_release: s.parent.do_pay()