BMI.py

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

# Form implementation generated from reading ui file 'BMI.ui'
#
# Created: Thu Sep 25 11:55:32 2014
#      by: PyQt4 UI code generator 4.9.6
#
# WARNING! All changes made in this file will be lost!

from PyQt4 import QtCore, QtGui

try:
    _fromUtf8 = QtCore.QString.fromUtf8
except AttributeError:
    def _fromUtf8(s):
        return s

try:
    _encoding = QtGui.QApplication.UnicodeUTF8
    def _translate(context, text, disambig):
        return QtGui.QApplication.translate(context, text, disambig, _encoding)
except AttributeError:
    def _translate(context, text, disambig):
        return QtGui.QApplication.translate(context, text, disambig)

class Ui_Dialog(object):
    def setupUi(self, Dialog):
        Dialog.setObjectName(_fromUtf8("Dialog"))
        Dialog.resize(581, 250)
        Dialog.setCursor(QtGui.QCursor(QtCore.Qt.ArrowCursor))
        self.layoutWidget = QtGui.QWidget(Dialog)
        self.layoutWidget.setGeometry(QtCore.QRect(30, 0, 260, 102))
        self.layoutWidget.setObjectName(_fromUtf8("layoutWidget"))
        self.gridLayout = QtGui.QGridLayout(self.layoutWidget)
        self.gridLayout.setMargin(0)
        self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
        self.label = QtGui.QLabel(self.layoutWidget)
        self.label.setObjectName(_fromUtf8("label"))
        self.gridLayout.addWidget(self.label, 0, 0, 1, 1)
        self.dial = QtGui.QDial(self.layoutWidget)
        self.dial.setMinimum(1)
        self.dial.setMaximum(200)
        self.dial.setObjectName(_fromUtf8("dial"))
        self.gridLayout.addWidget(self.dial, 0, 2, 1, 1)
        self.lcdNumber_2 = QtGui.QLCDNumber(self.layoutWidget)
        self.lcdNumber_2.setProperty("intValue", 85)
        self.lcdNumber_2.setObjectName(_fromUtf8("lcdNumber_2"))
        self.gridLayout.addWidget(self.lcdNumber_2, 0, 1, 1, 1)
        self.layoutWidget1 = QtGui.QWidget(Dialog)
        self.layoutWidget1.setGeometry(QtCore.QRect(30, 110, 260, 102))
        self.layoutWidget1.setObjectName(_fromUtf8("layoutWidget1"))
        self.gridLayout_2 = QtGui.QGridLayout(self.layoutWidget1)
        self.gridLayout_2.setMargin(0)
        self.gridLayout_2.setObjectName(_fromUtf8("gridLayout_2"))
        self.label_2 = QtGui.QLabel(self.layoutWidget1)
        self.label_2.setObjectName(_fromUtf8("label_2"))
        self.gridLayout_2.addWidget(self.label_2, 0, 0, 1, 1)
        self.lcdNumber_3 = QtGui.QLCDNumber(self.layoutWidget1)
        self.lcdNumber_3.setProperty("intValue", 185)
        self.lcdNumber_3.setObjectName(_fromUtf8("lcdNumber_3"))
        self.gridLayout_2.addWidget(self.lcdNumber_3, 0, 1, 1, 1)
        self.dial_2 = QtGui.QDial(self.layoutWidget1)
        self.dial_2.setMinimum(1)
        self.dial_2.setMaximum(200)
        self.dial_2.setSingleStep(1)
        self.dial_2.setPageStep(10)
        self.dial_2.setObjectName(_fromUtf8("dial_2"))
        self.gridLayout_2.addWidget(self.dial_2, 0, 2, 1, 1)
        self.layoutWidget2 = QtGui.QWidget(Dialog)
        self.layoutWidget2.setGeometry(QtCore.QRect(340, 10, 201, 71))
        self.layoutWidget2.setObjectName(_fromUtf8("layoutWidget2"))
        self.verticalLayout = QtGui.QVBoxLayout(self.layoutWidget2)
        self.verticalLayout.setMargin(0)
        self.verticalLayout.setObjectName(_fromUtf8("verticalLayout"))
        self.pushButton_2 = QtGui.QPushButton(self.layoutWidget2)
        self.pushButton_2.setObjectName(_fromUtf8("pushButton_2"))
        self.verticalLayout.addWidget(self.pushButton_2)
        self.pushButton = QtGui.QPushButton(self.layoutWidget2)
        self.pushButton.setObjectName(_fromUtf8("pushButton"))
        self.verticalLayout.addWidget(self.pushButton)
        self.layoutWidget3 = QtGui.QWidget(Dialog)
        self.layoutWidget3.setGeometry(QtCore.QRect(350, 110, 171, 111))
        self.layoutWidget3.setObjectName(_fromUtf8("layoutWidget3"))
        self.verticalLayout_2 = QtGui.QVBoxLayout(self.layoutWidget3)
        self.verticalLayout_2.setMargin(0)
        self.verticalLayout_2.setObjectName(_fromUtf8("verticalLayout_2"))
        self.label_3 = QtGui.QLabel(self.layoutWidget3)
        self.label_3.setObjectName(_fromUtf8("label_3"))
        self.verticalLayout_2.addWidget(self.label_3)
        self.lcdNumber = QtGui.QLCDNumber(self.layoutWidget3)
        self.lcdNumber.setObjectName(_fromUtf8("lcdNumber"))
        self.verticalLayout_2.addWidget(self.lcdNumber)
       
        self.pushButton_2.clicked.connect(self.calBMI)
# an alternative expression to connect signal to
# slot: 'GUI object instance'. 'Event'.connect( customized method)
        self.retranslateUi(Dialog)
        QtCore.QObject.connect(self.dial, QtCore.SIGNAL(_fromUtf8("valueChanged(int)")), self.lcdNumber_2.display)
        QtCore.QObject.connect(self.dial_2, QtCore.SIGNAL(_fromUtf8("valueChanged(int)")), self.lcdNumber_3.display)
        #QtCore.QObject.connect(self.pushButton_2, QtCore.SIGNAL(_fromUtf8("clicked()")),self.lcdNumber.intValue)
        QtCore.QObject.connect(self.pushButton, QtCore.SIGNAL(_fromUtf8("clicked()")), Dialog.reject)
        QtCore.QMetaObject.connectSlotsByName(Dialog)
       
    #now add our specified slot functioning as doing BMI calculations
    def calBMI(self):
        #print(self.lcdNumber_2.intValue(),self.lcdNumber_3.intValue(),(float(self.lcdNumber_3.intValue())/100.00)**2)
        calBMIcons=float(self.lcdNumber_2.intValue())/(float(self.lcdNumber_3.intValue())/100)**2
        self.lcdNumber.display(calBMIcons)
       
    def retranslateUi(self, Dialog):
        Dialog.setWindowTitle(_translate("Dialog", "Dialog", None))
        self.label.setText(_translate("Dialog", "Weight(kg)", None))
        self.label_2.setText(_translate("Dialog", "Height(cm)", None))
        self.pushButton_2.setText(_translate("Dialog", "Get your swoosh on", None))
        self.pushButton.setText(_translate("Dialog", "Non,s'il vous plait", None))
        self.label_3.setText(_translate("Dialog", "<html><head/><body><p align=\"center\"><span style=\" font-size:18pt;\">BMI</span></p></body></html>", None))

if __name__ == "__main__":    #if this py file is executing itself rather than being called

    import sys

    app = QtGui.QApplication(sys.argv)
# for all PyQt GUIs, there have to be one and only one QApplication instance     # being created.sys.argv is used for pass on system parameters to GUI
    MainWindow = QtGui.QDialog()        # Initializing an QDialog object instance
    ui = Ui_Dialog()                                  
    ui.setupUi(MainWindow)            
# The method inherited from pre-established widget class is
# loaded to rebuild the QDiadog instance with desirable functions.
    MainWindow.show()

    sys.exit(app.exec_())