import sys

from PyQt5.QtWidgets import QApplication, QStackedWidget


from modules.participant import Participant
from modules.grid import GridDots


class MainWindow(QStackedWidget):
    def __init__(self):
        super().__init__()
        self.participant_widget = Participant()
        self.grid_widget = GridDots()
        self.addWidget(self.participant_widget)
        self.addWidget(self.grid_widget)

        self.participant_widget.reg_success.connect(self.show_line_widget)

    def show_line_widget(self):
        """Method to show widget with index 1 in the stack"""
        self.setCurrentIndex(1)  # change to lines not grid later


if __name__ == '__main__':
    app = QApplication(sys.argv)
    window = MainWindow()
    window.setWindowTitle("3Dots")
    window.show()
    sys.exit(app.exec_())