binding - python

[John McMonagle]

On Thu, 2006-04-06 at 16:39 -0700, beta wrote:
> Hi John,
> 
> It works! thank you vey much.
> 
> I have another question. I would very appreciated if you have any clue.
> 
> I want the ball STOP whenever mouse is clicked anywhere, then ball KEEP
> MOVING when next mouse click is applied. Thanks.
> 

I do have a clue.  Simply bind a mouse click to the entire canvas widget
rather than the canvas item.

Add the following line after you create the canvas widget:

self.draw.bind('<Button-1>', self.toggleBallMotion)

where toggleBallMotion stops the ball movement if it is moving and
starts the movement if it is stopped.  It is a function of the form:

    def toggleBallMotion(self, event):
        if self.speed.get() != 0:
            self.oldspeed = self.speed.get()
            self.speed.set(0)
        else:
            self.speed.set(self.oldspeed)

You will also need to initialise the self.oldspeed variable when you
first create the Scale widget.

John McMonagle




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