(self, parent, *args, **kw)
| 2365 | * This frame only allows vertical scrolling |
| 2366 | """ |
| 2367 | def __init__(self, parent, *args, **kw): |
| 2368 | Frame.__init__(self, parent, *args, **kw) |
| 2369 | |
| 2370 | # Create a canvas object and a vertical scrollbar for scrolling it. |
| 2371 | vscrollbar = Scrollbar(self, orient=VERTICAL) |
| 2372 | vscrollbar.pack(fill=Y, side=RIGHT, expand=FALSE) |
| 2373 | canvas = Canvas(self, borderwidth=0, highlightthickness=0, |
| 2374 | yscrollcommand=vscrollbar.set, width=240) |
| 2375 | canvas.pack(side=LEFT, fill=BOTH, expand=TRUE) |
| 2376 | vscrollbar.config(command=canvas.yview) |
| 2377 | |
| 2378 | # Reset the view. |
| 2379 | canvas.xview_moveto(0) |
| 2380 | canvas.yview_moveto(0) |
| 2381 | |
| 2382 | # Create a frame inside the canvas which will be scrolled with it. |
| 2383 | self.interior = interior = Frame(canvas) |
| 2384 | interior_id = canvas.create_window(0, 0, window=interior, anchor=NW) |
| 2385 | |
| 2386 | # Track changes to the canvas and frame width and sync them, |
| 2387 | # also updating the scrollbar. |
| 2388 | def _configure_interior(event): |
| 2389 | # Update the scrollbars to match the size of the inner frame. |
| 2390 | size = (interior.winfo_reqwidth(), interior.winfo_reqheight()) |
| 2391 | canvas.config(scrollregion="0 0 %s %s" % size) |
| 2392 | interior.bind('<Configure>', _configure_interior) |
| 2393 | |
| 2394 | def _configure_canvas(event): |
| 2395 | if interior.winfo_reqwidth() != canvas.winfo_width(): |
| 2396 | # Update the inner frame's width to fill the canvas. |
| 2397 | canvas.itemconfigure(interior_id, width=canvas.winfo_width()) |
| 2398 | canvas.bind('<Configure>', _configure_canvas) |
| 2399 | |
| 2400 | return |
| 2401 | |
| 2402 | |
| 2403 | if __name__ == '__main__': |
nothing calls this directly
no test coverage detected