#!/usr/bin/python
# -*- coding: utf-8 -*-

import sys
from PySide.QtCore import *
from PySide.QtGui import *

string = ""

class Problems(QWidget):
    par = None
    def __init__(self, parent = None):
        super(Problems, self).__init__(parent)
        self.judgeid = QLineEdit("Enter your string")
        self.button = QPushButton("Ok")
        layout = QVBoxLayout()
        layout.addWidget(self.judgeid)
        layout.addWidget(self.button)
        self.setLayout(layout)
        self.button.clicked.connect(self.login)
        self.button.clicked.emit(parent)
        print type(parent)

    @Slot(QWidget)
    def login(self, parent):
        global string
        string = self.judgeid.text()
        a = QWidget()
        parent.mainTile.addTab(a, "TestTab")

class Application(QWidget):
    def __init__(self, parent = None):
        super(Application, self).__init__(parent)
        self.mainTile = QTabWidget()
        self.setWindowTitle("Hello crazy world!")
        layout = QVBoxLayout()
        lay1 = Problems(self)
        self.mainTile.addTab(lay1, "Problems")
        layout.addWidget(self.mainTile)
        self.setLayout(layout)


if __name__ == '__main__':
    # Create the Qt Application
    app = QApplication(sys.argv)
    # Create and show the form
    mainWindow = Application()
    mainWindow.show()
    # Run the main Qt loop
    sys.exit(app.exec_())