# -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-## $Id: Balloon.py 36560 2004-07-18 06:16:08Z tim_one $## Tix Demostration Program## This sample program is structured in such a way so that it can be# executed from the Tix demo program "tixwidgets.py": it must have a# procedure called "RunSample". It should also have the "if" statment# at the end of this file so that it can be run as a standalone# program. # This file demonstrates the use of the tixBalloon widget, which provides# a interesting way to give help tips about elements in your user interface.# Your can display the help message in a "balloon" and a status bar widget.# import Tix TCL_ALL_EVENTS          = 0 def RunSample (root):    balloon = DemoBalloon(root)    balloon.mainloop()    balloon.destroy() class DemoBalloon:    def __init__(self, w):        self.root = w        self.exit = -1         z = w.winfo_toplevel()        z.wm_protocol("WM_DELETE_WINDOW", lambda self=self: self.quitcmd())         status = Tix.Label(w, width=40, relief=Tix.SUNKEN, bd=1)        status.pack(side=Tix.BOTTOM, fill=Tix.Y, padx=2, pady=1)         # Create two mysterious widgets that need balloon help        button1 = Tix.Button(w, text='Something Unexpected',                             command=self.quitcmd)        button2 = Tix.Button(w, text='Something Else Unexpected')        button2['command'] = lambda w=button2: w.destroy()        button1.pack(side=Tix.TOP, expand=1)        button2.pack(side=Tix.TOP, expand=1)         # Create the balloon widget and associate it with the widgets that we want        # to provide tips for:        b = Tix.Balloon(w, statusbar=status)         b.bind_widget(button1, balloonmsg='Close Window',                      statusmsg='Press this button to close this window')        b.bind_widget(button2, balloonmsg='Self-destruct button',                      statusmsg='Press this button and it will destroy itself')     def quitcmd (self):        self.exit = 0     def mainloop(self):        foundEvent = 1        while self.exit < 0 and foundEvent > 0:            foundEvent = self.root.tk.dooneevent(TCL_ALL_EVENTS)     def destroy (self):        self.root.destroy() if __name__ == '__main__':    root = Tix.Tk()    RunSample(root)