[EMAIL PROTECTED] wrote:
> In order to make it so that we can click on these objects, we have code like:
>
> self.simulator.canvas.tag_bind("robot-%s" % self.name, "<B1-Motion>",
> func=lambda event,robot=self:self.mouse_event(event, "motion", robot))
>
> for each object (a robot). First, is there a better way than doing this
> after every object creation?
I'd recommend using a canvas-level binding instead, and using
find_overlapping to find the appropriate object for each mouse event.
e.g.
def motion(event):
widget = event.widget
x = widget.canvasx(event.x)
y = widget.canvasy(event.y)
d = 5 # overlap, in canvas units
items = widget.find_overlapping(x-d, y-d, x+d, y+d)
if items:
... process items; topmost is last ...
canvas.bind("<B1-Motion>", motion)
(I'd also recommend using a WCK view instead of the Canvas for this
purpose, but that won't help you with the bindings issue).
</F>
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