Re: [Pythoncard-users] Window tracking

[<kim...@ya...>]

Thanks,

--- Alex Tweedly <al...@tw...> wrote:

> kim...@ya... wrote:
> 
> >Hi there, thanks for the reply.
> >
> >I am afraid that's not what I am looking for.  I
> know
> >how to get the parent.  My question was how do I
> >position the child window so that it opens up over
> the
> >parent.   For instance, under Windows XP, if I am
> >using 2 monitors, if I don't do anything, the
> parent
> >window might end up on one side and the child
> window
> >will end up somewhere on the other side.
> >
> >What I am looking for is something like:
> >
> >a) Get the parents coordinate
> >b) Set the child coordinate to be some kind of a
> >function of the parent
> >c) Set up an event handler so that whenever the
> parent
> >window moves, change the child windows coordinate
> to
> >follow the parent.
> >
> >I know how to do these things in C - just don't
> know
> >how to use do it in PythonCard.
> >
> >  
> >
> Both the parent and child window are just windows,
> so you can use any of 
> the functions for a wxWindow.
> So, in the child's on_initialize(), you can do
> something like:
> 
>    self.Centre()
> which will centre the child window over its parent.
> 
> Or you can do
>         self.parent = self.GetParent()
>         bx,by, dx, dy = self.parent.GetRect()
>         self.Move( (bx, by+dy) )
> to move the origin of the child to the bottom left
> of the parent.
> 
> Or .... lots of things like that.
> 
> In the parent window, you can add something like
> 
>         self.childWindow = model.childWindow(self,
> MyChild)
> 
> and have handlers
> 
> >     def on_size(self, event):
> >         print "size"
> >         bx,by, dx, dy = self.GetRect()
> >         self.childWindow.Move( (bx, by+dy) )
> >         pass
> >
> >     def on_move(self, event):
> >         print "move"
> >         bx,by, dx, dy = self.GetRect()
> >         self.childWindow.Move( (bx, by+dy) )
> >         pass
> 
> of course, you ought to check that the child window
> exists, etc. :-)
> 
> 
> -- 
> Alex Tweedly       http://www.tweedly.net
> 
> 
> 
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> 


--
John Henry