On 9/5/06, Alan Gauld <[EMAIL PROTECTED]> wrote:
> Hi Linda,
>
> >> Can you be clearer about what exactly you want to do?
> >>
> > I want to open two windows with one having the blue triangle and the
> > other one having the red triangle (the code is attached). I can not
> > figure out how to use toplevel.
>
> Looking at your code it would help the readasbility if you put some
> of it into functions like
> draw_line(seg,color)
> draw_oval(x,y)
>
> Assuming you did this your code would then look a bit like:
>
> root = Tk()
> can = Canvas(root,....)
> can.pack()
> for x,y in points1:
> draw_oval(x,y)
> for seg in segs1:
> draw_line(seg,'blue')
> for x,y in points2:
> draw_oval(x,y)
> for seg in seg2:
> draw_line(seg, 'red')
>
> Now I assume that you want to split the code after the first pair
> of figures and create a second window there?
>
> You can use Toplevel just as you do root:
>
> top = Toplevel(root)
> can2 = Canvas(top,...)
> can2.pack()
>
> Note that because Toplevel inherits from root you only
> need the one mainloop() call, usually placed at the end
> of your code
>
> Here is a very short example of creating two windows:
>
> >>> from Tkinter import *
> >>> win = Tk()
> >>> win1 = Toplevel(win)
> >>> f = Frame(win)
> >>> f.pack()
> >>> g = Frame(win1)
> >>> g.pack()
> >>> Label(f,text="Main").pack()
> >>> Label(g,text="Sub").pack()
> >>> win.mainloop()
>
> BTW I personally find it best not to pack widgets directly
> into the toplevel/root window but to first insert a frame. Then
> pack the other widgets(like your canvas or my Labels) into
> the frame - it seems to make things behave a little
> more predictably.)
>
> HTH,
>
> Alan G.
>
>
If I close the 'main' window, 'sub' window will be closed too. How can
I close just one window?
Linda
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