I created a python test program (Test_InfoPanel.py) that has MainWindow with dockWidget, and within it, a tabWidget with scrollArea widget. However, when I resize the MainWindow, the vertical scrollbar doesn't auto-appear when the

Similarly, when I undock the dockWidget & resize, the vertical scrollbar doesn't auto-appear.

Pls help!

Test Program (Test_InfoPanel.py):

#!/usr/bin/env python

# Filename: Test_InfoPanel.py
# Date: 2012-Sep-18
'''
This program test the scrollarea to show scrollbars for the InfoPanel_UI.
'''

import sys
from PyQt4 import QtCore, QtGui

if __name__ == "__main__":
    import sys
    app = QtGui.QApplication(sys.argv)
    # Look and feel changed to 'Cleanlooks'.
    app.setStyle('Cleanlooks')

    from InfoPanel_UI import Ui_MainWindow_InfoPanel

    AppWindow = QtGui.QMainWindow()
    ui = Ui_MainWindow_InfoPanel()
    ui.setupUi(AppWindow)

    ui.tabWidget_Info_Panel.setCurrentWidget(ui.scrollArea_Info_Panel)

    AppWindow.show()
    sys.exit(app.exec_())

Generated *.ui script (InfoPanel_UI.py):

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'InfoPanel.ui'
#
# Created: Wed Sep 19 13:11:06 2012
#      by: PyQt4 UI code generator 4.9.4
#
# WARNING! All changes made in this file will be lost!

from PyQt4 import QtCore, QtGui

try:
    _fromUtf8 = QtCore.QString.fromUtf8
except AttributeError:
    _fromUtf8 = lambda s: s

class Ui_MainWindow_InfoPanel(object):
    def setupUi(self, MainWindow_InfoPanel):
        MainWindow_InfoPanel.setObjectName(_fromUtf8("MainWindow_InfoPanel"))
        MainWindow_InfoPanel.resize(602, 263)
        MainWindow_InfoPanel.setDocumentMode(False)
        self.centralwidget = QtGui.QWidget(MainWindow_InfoPanel)
        self.centralwidget.setObjectName(_fromUtf8("centralwidget"))
        MainWindow_InfoPanel.setCentralWidget(self.centralwidget)
        self.statusbar = QtGui.QStatusBar(MainWindow_InfoPanel)
        self.statusbar.setObjectName(_fromUtf8("statusbar"))
        MainWindow_InfoPanel.setStatusBar(self.statusbar)
        self.dockWidget_Info_Panel = QtGui.QDockWidget(MainWindow_InfoPanel)
        self.dockWidget_Info_Panel.setMinimumSize(QtCore.QSize(300, 140))
        font = QtGui.QFont()
        font.setBold(True)
        font.setItalic(True)
        font.setWeight(75)
        self.dockWidget_Info_Panel.setFont(font)
        self.dockWidget_Info_Panel.setLayoutDirection(QtCore.Qt.LeftToRight)
        self.dockWidget_Info_Panel.setAllowedAreas(QtCore.Qt.LeftDockWidgetArea|QtCore.Qt.RightDockWidgetArea)
        self.dockWidget_Info_Panel.setObjectName(_fromUtf8("dockWidget_Info_Panel"))
        self.dockWidgetContents_Info_Panel = QtGui.QWidget()
        self.dockWidgetContents_Info_Panel.setObjectName(_fromUtf8("dockWidgetContents_Info_Panel"))
        self.tabWidget_Info_Panel = QtGui.QTabWidget(self.dockWidgetContents_Info_Panel)
        self.tabWidget_Info_Panel.setGeometry(QtCore.QRect(0, 0, 300, 215))
        font = QtGui.QFont()
        font.setBold(False)
        font.setItalic(False)
        font.setWeight(50)
        self.tabWidget_Info_Panel.setFont(font)
        self.tabWidget_Info_Panel.setObjectName(_fromUtf8("tabWidget_Info_Panel"))
        self.tab_1 = QtGui.QWidget()
        self.tab_1.setObjectName(_fromUtf8("tab_1"))
        self.scrollArea_Info_Panel = QtGui.QScrollArea(self.tab_1)
        self.scrollArea_Info_Panel.setGeometry(QtCore.QRect(9, 9, 271, 171))
        self.scrollArea_Info_Panel.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded)
        self.scrollArea_Info_Panel.setWidgetResizable(True)
        self.scrollArea_Info_Panel.setObjectName(_fromUtf8("scrollArea_Info_Panel"))
        self.scrollAreaWidgetContents = QtGui.QWidget()
        self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, 0, 269, 169))
        self.scrollAreaWidgetContents.setObjectName(_fromUtf8("scrollAreaWidgetContents"))
        self.frame_Info_Panel = QtGui.QFrame(self.scrollAreaWidgetContents)
        self.frame_Info_Panel.setGeometry(QtCore.QRect(0, 0, 261, 161))
        self.frame_Info_Panel.setObjectName(_fromUtf8("frame_Info_Panel"))
        self.label_Eqpt_Model = QtGui.QLabel(self.frame_Info_Panel)
        self.label_Eqpt_Model.setGeometry(QtCore.QRect(10, 10, 111, 27))
        self.label_Eqpt_Model.setObjectName(_fromUtf8("label_Eqpt_Model"))
        self.lineEdit_Eqpt_Model = QtGui.QLineEdit(self.frame_Info_Panel)
        self.lineEdit_Eqpt_Model.setEnabled(False)
        self.lineEdit_Eqpt_Model.setGeometry(QtCore.QRect(120, 10, 111, 27))
        palette = QtGui.QPalette()
        brush = QtGui.QBrush(QtGui.QColor(60, 60, 60))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(60, 60, 60))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 127))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Text, brush)
        self.lineEdit_Eqpt_Model.setPalette(palette)
        self.lineEdit_Eqpt_Model.setObjectName(_fromUtf8("lineEdit_Eqpt_Model"))
        self.label_State = QtGui.QLabel(self.frame_Info_Panel)
        self.label_State.setGeometry(QtCore.QRect(10, 40, 111, 27))
        self.label_State.setObjectName(_fromUtf8("label_State"))
        self.lineEdit_State = QtGui.QLineEdit(self.frame_Info_Panel)
        self.lineEdit_State.setEnabled(False)
        self.lineEdit_State.setGeometry(QtCore.QRect(120, 40, 111, 27))
        palette = QtGui.QPalette()
        brush = QtGui.QBrush(QtGui.QColor(60, 60, 60))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(60, 60, 60))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 127))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Text, brush)
        self.lineEdit_State.setPalette(palette)
        self.lineEdit_State.setObjectName(_fromUtf8("lineEdit_State"))
        self.groupBox_Current_Position = QtGui.QGroupBox(self.frame_Info_Panel)
        self.groupBox_Current_Position.setGeometry(QtCore.QRect(10, 70, 241, 91))
        palette = QtGui.QPalette()
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.WindowText, brush)
        brush = QtGui.QBrush(QtGui.QColor(85, 255, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Button, brush)
        brush = QtGui.QBrush(QtGui.QColor(170, 255, 127))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Light, brush)
        brush = QtGui.QBrush(QtGui.QColor(127, 255, 63))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Midlight, brush)
        brush = QtGui.QBrush(QtGui.QColor(42, 127, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Dark, brush)
        brush = QtGui.QBrush(QtGui.QColor(56, 170, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Mid, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.BrightText, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.ButtonText, brush)
        brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Base, brush)
        brush = QtGui.QBrush(QtGui.QColor(85, 255, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Window, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Shadow, brush)
        brush = QtGui.QBrush(QtGui.QColor(170, 255, 127))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.AlternateBase, brush)
        brush = QtGui.QBrush(QtGui.QColor(255, 255, 220))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.ToolTipBase, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.ToolTipText, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.WindowText, brush)
        brush = QtGui.QBrush(QtGui.QColor(85, 255, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Button, brush)
        brush = QtGui.QBrush(QtGui.QColor(170, 255, 127))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Light, brush)
        brush = QtGui.QBrush(QtGui.QColor(127, 255, 63))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Midlight, brush)
        brush = QtGui.QBrush(QtGui.QColor(42, 127, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Dark, brush)
        brush = QtGui.QBrush(QtGui.QColor(56, 170, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Mid, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.BrightText, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.ButtonText, brush)
        brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Base, brush)
        brush = QtGui.QBrush(QtGui.QColor(85, 255, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Window, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Shadow, brush)
        brush = QtGui.QBrush(QtGui.QColor(170, 255, 127))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.AlternateBase, brush)
        brush = QtGui.QBrush(QtGui.QColor(255, 255, 220))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.ToolTipBase, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.ToolTipText, brush)
        brush = QtGui.QBrush(QtGui.QColor(42, 127, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.WindowText, brush)
        brush = QtGui.QBrush(QtGui.QColor(85, 255, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Button, brush)
        brush = QtGui.QBrush(QtGui.QColor(170, 255, 127))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Light, brush)
        brush = QtGui.QBrush(QtGui.QColor(127, 255, 63))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Midlight, brush)
        brush = QtGui.QBrush(QtGui.QColor(42, 127, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Dark, brush)
        brush = QtGui.QBrush(QtGui.QColor(56, 170, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Mid, brush)
        brush = QtGui.QBrush(QtGui.QColor(42, 127, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(255, 255, 255))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.BrightText, brush)
        brush = QtGui.QBrush(QtGui.QColor(42, 127, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.ButtonText, brush)
        brush = QtGui.QBrush(QtGui.QColor(85, 255, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Base, brush)
        brush = QtGui.QBrush(QtGui.QColor(85, 255, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Window, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Shadow, brush)
        brush = QtGui.QBrush(QtGui.QColor(85, 255, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.AlternateBase, brush)
        brush = QtGui.QBrush(QtGui.QColor(255, 255, 220))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.ToolTipBase, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.ToolTipText, brush)
        self.groupBox_Current_Position.setPalette(palette)
        self.groupBox_Current_Position.setObjectName(_fromUtf8("groupBox_Current_Position"))
        self.label_Current_Position_X = QtGui.QLabel(self.groupBox_Current_Position)
        self.label_Current_Position_X.setGeometry(QtCore.QRect(20, 20, 41, 27))
        self.label_Current_Position_X.setObjectName(_fromUtf8("label_Current_Position_X"))
        self.lineEdit_Current_Position_X = QtGui.QLineEdit(self.groupBox_Current_Position)
        self.lineEdit_Current_Position_X.setEnabled(False)
        self.lineEdit_Current_Position_X.setGeometry(QtCore.QRect(60, 20, 161, 27))
        palette = QtGui.QPalette()
        brush = QtGui.QBrush(QtGui.QColor(60, 60, 60))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(60, 60, 60))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 127))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Text, brush)
        self.lineEdit_Current_Position_X.setPalette(palette)
        self.lineEdit_Current_Position_X.setObjectName(_fromUtf8("lineEdit_Current_Position_X"))
        self.label_Current_Position_Y = QtGui.QLabel(self.groupBox_Current_Position)
        self.label_Current_Position_Y.setGeometry(QtCore.QRect(20, 50, 41, 27))
        self.label_Current_Position_Y.setObjectName(_fromUtf8("label_Current_Position_Y"))
        self.lineEdit_Current_Position_Y = QtGui.QLineEdit(self.groupBox_Current_Position)
        self.lineEdit_Current_Position_Y.setEnabled(False)
        self.lineEdit_Current_Position_Y.setGeometry(QtCore.QRect(60, 50, 161, 27))
        palette = QtGui.QPalette()
        brush = QtGui.QBrush(QtGui.QColor(60, 60, 60))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Active, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(60, 60, 60))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Inactive, QtGui.QPalette.Text, brush)
        brush = QtGui.QBrush(QtGui.QColor(0, 0, 127))
        brush.setStyle(QtCore.Qt.SolidPattern)
        palette.setBrush(QtGui.QPalette.Disabled, QtGui.QPalette.Text, brush)
        self.lineEdit_Current_Position_Y.setPalette(palette)
        self.lineEdit_Current_Position_Y.setObjectName(_fromUtf8("lineEdit_Current_Position_Y"))
        self.scrollArea_Info_Panel.setWidget(self.scrollAreaWidgetContents)
        self.tabWidget_Info_Panel.addTab(self.tab_1, _fromUtf8(""))
        self.tab_2 = QtGui.QWidget()
        self.tab_2.setObjectName(_fromUtf8("tab_2"))
        self.tabWidget_Info_Panel.addTab(self.tab_2, _fromUtf8(""))
        self.dockWidget_Info_Panel.setWidget(self.dockWidgetContents_Info_Panel)
        MainWindow_InfoPanel.addDockWidget(QtCore.Qt.DockWidgetArea(2), self.dockWidget_Info_Panel)

        self.retranslateUi(MainWindow_InfoPanel)
        self.tabWidget_Info_Panel.setCurrentIndex(0)
        QtCore.QMetaObject.connectSlotsByName(MainWindow_InfoPanel)

    def retranslateUi(self, MainWindow_InfoPanel):
        MainWindow_InfoPanel.setWindowTitle(QtGui.QApplication.translate("MainWindow_InfoPanel", "MainWindow Info Panel", None, QtGui.QApplication.UnicodeUTF8))
        self.dockWidget_Info_Panel.setWindowTitle(QtGui.QApplication.translate("MainWindow_InfoPanel", "Info Panel", None, QtGui.QApplication.UnicodeUTF8))
        self.label_Eqpt_Model.setText(QtGui.QApplication.translate("MainWindow_InfoPanel", "Eqpt Model:", None, QtGui.QApplication.UnicodeUTF8))
        self.lineEdit_Eqpt_Model.setText(QtGui.QApplication.translate("MainWindow_InfoPanel", "ABC", None, QtGui.QApplication.UnicodeUTF8))
        self.label_State.setText(QtGui.QApplication.translate("MainWindow_InfoPanel", "State:", None, QtGui.QApplication.UnicodeUTF8))
        self.lineEdit_State.setText(QtGui.QApplication.translate("MainWindow_InfoPanel", "Working", None, QtGui.QApplication.UnicodeUTF8))
        self.groupBox_Current_Position.setTitle(QtGui.QApplication.translate("MainWindow_InfoPanel", "Current Position:", None, QtGui.QApplication.UnicodeUTF8))
        self.label_Current_Position_X.setText(QtGui.QApplication.translate("MainWindow_InfoPanel", "X =", None, QtGui.QApplication.UnicodeUTF8))
        self.lineEdit_Current_Position_X.setText(QtGui.QApplication.translate("MainWindow_InfoPanel", "1000.00 m", None, QtGui.QApplication.UnicodeUTF8))
        self.label_Current_Position_Y.setText(QtGui.QApplication.translate("MainWindow_InfoPanel", "Y =", None, QtGui.QApplication.UnicodeUTF8))
        self.lineEdit_Current_Position_Y.setText(QtGui.QApplication.translate("MainWindow_InfoPanel", "1000.00 m", None, QtGui.QApplication.UnicodeUTF8))
        self.tabWidget_Info_Panel.setTabText(self.tabWidget_Info_Panel.indexOf(self.tab_1), QtGui.QApplication.translate("MainWindow_InfoPanel", "Info_Pg 1", None, QtGui.QApplication.UnicodeUTF8))
        self.tabWidget_Info_Panel.setTabText(self.tabWidget_Info_Panel.indexOf(self.tab_2), QtGui.QApplication.translate("MainWindow_InfoPanel", "Info_Pg 2", None, QtGui.QApplication.UnicodeUTF8))

PS: I initially created the mainWindow as a Dialog, but realized that after undock & redock, the dockWidget doesn't dock properly. Somehow there's an offset. This doesn't seem to be a problem if the mainWindow is a QtGui.QMainWindow instead of a QtGui.QDialog.