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## Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Milian Wolff <milian.wolff@kdab.com>
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from PySide2.QtCore import Signal, Slot
from PySide2.QtWidgets import QDialog
from ui_dialog import Ui_Dialog


class Dialog(QDialog):
    sendText = Signal(str)

    def __init__(self, parent=None):
        super(Dialog, self).__init__(parent)
        self._ui = Ui_Dialog()
        self._ui.setupUi(self)
        self._ui.send.clicked.connect(self.clicked)

    @Slot(str)
    def displayMessage(self, message):
        self._ui.output.appendPlainText(message)

    @Slot()
    def clicked(self):
        text = self._ui.input.text()
        if not text:
            return
        self.sendText.emit(text)
        self.displayMessage("Sent message: {}".format(text))
        self._ui.input.clear()