135820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossumfrom Tkinter import * 235820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum 3182b5aca27d376b08a2904bed42b751496f932f3Tim Peters# This is a program that tests the placer geom manager in conjunction with 435820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum# the packer. The background (green) is packed, while the widget inside is placed 535820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum 635820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum 735820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossumdef do_motion(event): 889cb67bb642ee958d9f095728c99e943e994ca54Guido van Rossum app.button.place(x=event.x, y=event.y) 935820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum 1035820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossumdef dothis(): 1135820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum print 'calling me!' 1235820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum 1335820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossumdef createWidgets(top): 1435820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum # make a frame. Note that the widget is 200 x 200 1535820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum # and the window containing is 400x400. We do this 1635820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum # simply to show that this is possible. The rest of the 1735820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum # area is inaccesssible. 1889cb67bb642ee958d9f095728c99e943e994ca54Guido van Rossum f = Frame(top, width=200, height=200, background='green') 1935820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum 20182b5aca27d376b08a2904bed42b751496f932f3Tim Peters # note that we use a different manager here. 21182b5aca27d376b08a2904bed42b751496f932f3Tim Peters # This way, the top level frame widget resizes when the 22182b5aca27d376b08a2904bed42b751496f932f3Tim Peters # application window does. 2389cb67bb642ee958d9f095728c99e943e994ca54Guido van Rossum f.pack(fill=BOTH, expand=1) 2435820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum 2535820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum # now make a button 2689cb67bb642ee958d9f095728c99e943e994ca54Guido van Rossum f.button = Button(f, foreground='red', text='amazing', command=dothis) 2789cb67bb642ee958d9f095728c99e943e994ca54Guido van Rossum 28182b5aca27d376b08a2904bed42b751496f932f3Tim Peters # and place it so that the nw corner is 2935820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum # 1/2 way along the top X edge of its' parent 3089cb67bb642ee958d9f095728c99e943e994ca54Guido van Rossum f.button.place(relx=0.5, rely=0.0, anchor=NW) 3189cb67bb642ee958d9f095728c99e943e994ca54Guido van Rossum 3235820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum # allow the user to move the button SUIT-style. 3335820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum f.bind('<Control-Shift-Motion>', do_motion) 3435820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum 3535820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum return f 3635820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossum 3735820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossumroot = Tk() 3835820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossumapp = createWidgets(root) 3935820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossumroot.geometry("400x400") 4035820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossumroot.maxsize(1000, 1000) 4135820f77e41a8a41a695e08c041eed5e2e2ff3efGuido van Rossumroot.mainloop() 42