Posted By

blackthorne on 02/04/11

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Last Edited at 02/04/11 03:16pm

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Qt GUI app in python with pyqt (subclassing pyuic4 generated file)

/ Published in: Python

first design your app and generate a .UI file using Designer (part of Qt Creator), then run pyuic4 to get it to python, like:
pyuic4-2.6 example.ui > example.py

then import the window classes in example.py and make your up by subclassing like you can see in the source

Highlighted TextExpand

import sys

from PyQt4.QtCore import *
from PyQt4.QtGui import *

from <REPLACE_BY_PYUI_DESIGN> import <REPLACE_BY_WINDOW_CLASS_IN_PYUI_DESIGN>

class MainWindow(QMainWindow, <REPLACE_BY_WINDOW_CLASS_IN_PYUI_DESIGN>):

# custom slot
    def mymethod(self):
        self.textFieldExample.setText('Hello World')
        self.textFieldExample.clear()

def __init__(self):
        QMainWindow.__init__(self)
      
       # set up User Interface (widgets, layout...)
        self.setupUi(self)
        # custom slots connections
        QObject.connect(self.pushButton,SIGNAL("released()"),self.mymethod) # signal/slot connection
    
# Main entry to program.  Sets up the main app and create a new window.
def main(argv):
   
    # create Qt application
    app = QApplication(argv,True)
 
    # create main window
    wnd = MainWindow() # classname
    wnd.show()
    
    # Connect signal for app finish
    app.connect(app, SIGNAL("lastWindowClosed()"), app, SLOT("quit()"))
    
    # Start the app up
    sys.exit(app.exec_())
 
if __name__ == "__main__":
    main(sys.argv)

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