Demo/tkinter/matt/packer-and-placer-together.py

   1 from Tkinter import *
   2
   3 # This is a program that tests the placer geom manager in conjunction with
   4 # the packer. The background (green) is packed, while the widget inside is placed
   5
   6
   7 def do_motion(event):
   8     app.button.place(x=event.x, y=event.y)
   9
  10 def dothis():
  11     print 'calling me!'
  12
  13 def createWidgets(top):
  14     # make a frame. Note that the widget is 200 x 200
  15     # and the window containing is 400x400. We do this
  16     # simply to show that this is possible. The rest of the
  17     # area is inaccesssible.
  18     f = Frame(top, width=200, height=200, background='green')
  19
  20     # note that we use a different manager here.
  21     # This way, the top level frame widget resizes when the
  22     # application window does.
  23     f.pack(fill=BOTH, expand=1)
  24
  25     # now make a button
  26     f.button = Button(f, foreground='red', text='amazing', command=dothis)
  27
  28     # and place it so that the nw corner is
  29     # 1/2 way along the top X edge of its' parent
  30     f.button.place(relx=0.5, rely=0.0, anchor=NW)
  31
  32     # allow the user to move the button SUIT-style.
  33     f.bind('<Control-Shift-Motion>', do_motion)
  34
  35     return f
  36
  37 root = Tk()
  38 app = createWidgets(root)
  39 root.geometry("400x400")
  40 root.maxsize(1000, 1000)
  41 root.mainloop()