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#!/usr/bin/env python# -*- coding: utf-8 -*-import pygtkpygtk.require('2.0')import gtkclass HelloWorld: # This is a callback function. The data arguments are ignored # in this example. More on callbacks below. def hello(self, widget, data=None): print "Hello World" def delete_event(self, widget, event, data=None): # If you return FALSE in the "delete_event" signal handler, # GTK will emit the "destroy" signal. Returning TRUE means # you don't want the window to be destroyed. # This is useful for popping up 'are you sure you want to quit?' # type dialogs. print "delete event occurred" # Change FALSE to TRUE and the main window will not be destroyed # with a "delete_event". return False # Another callback def destroy(self, widget, data=None): gtk.main_quit() def __init__(self): # create a new window self.window=gtk.Window() # When the window is given the "delete_event" signal (this is given # by the window manager, usually by the "close" option, or on the # titlebar), we ask it to call the delete_event () function # as defined above. The data passed to the callback # function is NULL and is ignored in the callback function. self.window.connect("delete_event", self.delete_event) # Here we connect the "destroy" event to a signal handler. # This event occurs when we call gtk_widget_destroy() on the window, # or if we return FALSE in the "delete_event" callback. self.window.connect("destroy", self.destroy) # Sets the border width of the window. self.window.set_border_width(10) # Creates a new button with the label "Hello World". self.button = gtk.Button("Hello World") # When the button receives the "clicked" signal, it will call the # function hello() passing it None as its argument. The hello() # function is defined above. self.button.connect("clicked", self.hello, None) # This will cause the window to be destroyed by calling # gtk_widget_destroy(window) when "clicked". Again, the destroy # signal could come from here, or the window manager. self.button.connect_object("clicked", gtk.Widget.destroy, self.window) # This packs the button into the window (a GTK container). self.window.add(self.button) # The final step is to display this newly created widget. self.button.show() # and the window self.window.show() def main(self): # All PyGTK applications must have a gtk.main(). Control ends here # and waits for an event to occur (like a key press or mouse event). gtk.main()# If the program is run directly or passed as an argument to the python# interpreter then create a HelloWorld instance and show itif __name__ == "__main__": hello = HelloWorld() hello.main()
alpha@DarkNet-02:~$ gtk.py Traceback (most recent call last): File "/home/alpha/bin/gtk.py", line 80, in <module> hello = HelloWorld() File "/home/alpha/bin/gtk.py", line 33, in __init__ self.window=gtk.Window()AttributeError: 'module' object has no attribute 'Window'
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