#!/usr/bin/env python # example helloworld2.py import gtk class HelloWorld2: # Our new improved callback. The data passed to this method # is printed to stdout. def callback(self, widget, data): print "Hello again - %s was pressed" % data # another callback def delete_event(self, widget, event, data=None): gtk.mainquit() return gtk.FALSE def __init__(self): # Create a new window self.window = gtk.GtkWindow(gtk.WINDOW_TOPLEVEL) # This is a new call, which just sets the title of our # new window to "Hello Buttons!" self.window.set_title("Hello Buttons!") # Here we just set a handler for delete_event that immediately # exits GTK. self.window.connect("delete_event", self.delete_event) # Sets the border width of the window. self.window.set_border_width(10) # We create a box to pack widgets into. This is described in detail # in the "packing" section. The box is not really visible, it # is just used as a tool to arrange widgets. self.box1 = gtk.GtkHBox(gtk.FALSE, 0) # Put the box into the main window. self.window.add(self.box1) # Creates a new button with the label "Button 1". self.button1 = gtk.GtkButton("Button 1") # Now when the button is clicked, we call the "callback" method # with a pointer to "button 1" as its argument self.button1.connect("clicked", self.callback, "button 1") # Instead of add(), we pack this button into the invisible # box, which has been packed into the window. self.box1.pack_start(self.button1, gtk.TRUE, gtk.TRUE, 0) # Always remember this step, this tells GTK that our preparation for # this button is complete, and it can now be displayed. self.button1.show() # Do these same steps again to create a second button self.button2 = gtk.GtkButton("Button 2") # Call the same callback method with a different argument, # passing a pointer to "button 2" instead. self.button2.connect("clicked", self.callback, "button 2") self.box1.pack_start(self.button2, gtk.TRUE, gtk.TRUE, 0) # The order in which we show the buttons is not really important, but I # recommend showing the window last, so it all pops up at once. self.button2.show() self.box1.show() self.window.show() def main(): gtk.mainloop() if __name__ == "__main__": hello = HelloWorld2() main()