您可以使用以下方式将我的框架集成到您的 gui 类中:
from Tkinter import *
class ScrollableFrame(Frame):
def __init__(self, parent, *args, **kw):
'''
Constructor
'''
Frame.__init__(self, parent, *args, **kw)
# create a vertical scrollbar
vscrollbar = Scrollbar(self, orient = VERTICAL)
vscrollbar.pack(fill = Y, side = RIGHT, expand = FALSE)
# create a horizontal scrollbar
hscrollbar = Scrollbar(self, orient = HORIZONTAL)
hscrollbar.pack(fill = X, side = BOTTOM, expand = FALSE)
#Create a canvas object and associate the scrollbars with it
self.canvas = Canvas(self, bd = 0, highlightthickness = 0, yscrollcommand = vscrollbar.set, xscrollcommand = hscrollbar.set)
self.canvas.pack(side = LEFT, fill = BOTH, expand = TRUE)
#Associate scrollbars with canvas view
vscrollbar.config(command = self.canvas.yview)
hscrollbar.config(command = self.canvas.xview)
# set the view to 0,0 at initialization
self.canvas.xview_moveto(0)
self.canvas.yview_moveto(0)
# create an interior frame to be created inside the canvas
self.interior = interior = Frame(self.canvas)
interior_id = self.canvas.create_window(0, 0, window=interior,
anchor=NW)
# track changes to the canvas and frame width and sync them,
# also updating the scrollbar
def _configure_interior(event):
# update the scrollbars to match the size of the inner frame
size = (interior.winfo_reqwidth(), interior.winfo_reqheight())
self.canvas.config(scrollregion='0 0 %s %s' % size)
if interior.winfo_reqwidth() != self.canvas.winfo_width():
# update the canvas's width to fit the inner frame
self.canvas.config(width = interior.winfo_reqwidth())
interior.bind('<Configure>', _configure_interior)
class my_gui(Frame):
def __init__(self):
# main tk object
self.root = Tk()
# init Frame
Frame.__init__(self, self.root)
# create frame (gray window)
self.frame = ScrollableFrame(self.root)
self.frame.pack(fill=BOTH, expand=YES)
#self.__add_scroll_bars()
#self.__create_canvas()
self.__add_plot()
def __add_plot(self):
# create a rectangle
self.frame.canvas.create_polygon(10, 10, 10, 150, 200, 150, 200, 10, fill="gray", outline="black")
def mainLoop(self):
# This function starts an endlos running thread through the gui
self.root.mainloop()
def __quit(self):
# close everything
self.root.quit()
# init gui
my_gui = my_gui()
# execute gui
my_gui.mainLoop()
这应该基本上解决你的第一个问题。至于第二个问题,您需要创建一个函数来在每次调整画布大小时重新渲染画布。与 _configure_interior 函数类似。