electrum/gui/kivy/uix/ui_screens/password.kv

Popup:
    id: pw
    title: _('Password')

    BoxLayout:

        orientation: 'vertical'

        GridLayout:
            cols: 2
            Label:
                text: 'Password'
                size_hint: 1, None
                height: '48dp'
            TextInput:
                id: text_input
                size_hint: 1, None
                password: True
                multiline: False
        Button:
            size_hint: 1, None
            height: '48dp'
            text: _('Close')
            on_release: pw.dismiss()

        Widget:
            size_hint: 1, 1