Tkinter畫布create_window（）

我試圖用Tkinter Canvas（self._canvas）使用create_window函數創建窗口。該函數的窗口字段爲Tkinter Frame（self._tableFrame）。有人可以幫我解決如何使self._tableFrame自動擴展到self._canvas的大小（即使窗口大小由用戶更改）？Tkinter畫布create_window（）

代碼：

from Tkinter import Scrollbar as tkScrollBar 
from Tkinter import Frame as tkFrame 
from Tkinter import Canvas as tkCanvas 
from Tkinter import Entry as tkEntry 
from Tkinter import StringVar as tkStringVar 
from Tkinter import Tk, HORIZONTAL, N, S, E, W, RIGHT, LEFT, BOTTOM, X, Y, BOTH 
from Tkinter import TOP 


class Widget(tkFrame): 
    def __init__(self, master=None): 
     tkFrame.__init__(self, master) 

     self._str = tkStringVar() 
     self._widget = tkEntry(self) 

     self._widget.config(textvariable=self._str, borderwidth=1, width=0) 
     self._widget.pack(expand=True, fill=X) 

    def settext(self, str_): 
     self._str.set(str_) 

    def gettext(self): 
     return self._str.get() 


class Application(tkFrame): 
    def __init__(self, rows, cols, master=None): 
     tkFrame.__init__(self, master) 

     yScroll = tkScrollBar(self) 
     xScroll = tkScrollBar(self, orient=HORIZONTAL) 

     self._canvas = tkCanvas(self, 
       yscrollcommand=yScroll.set, xscrollcommand=xScroll.set) 
     yScroll.config(command=self._canvas.yview) 
     xScroll.config(command=self._canvas.xview) 

     self._table  = [[0 for x in range(rows)] for x in range(cols)] 
     self._tableFrame = tkFrame(self._canvas) 

     for col in range(cols): 
      self._tableFrame.grid_columnconfigure(col, weight=1) 
      for row in range(rows): 
       self._table[row][col] = Widget(master=self._tableFrame) 
       self._table[row][col].settext("(%d, %d)" % (row, col)) 
       self._table[row][col].grid(row=row, column=col, sticky=E+W) 

     # For debugging 
     self._canvas.config(background="blue") 
     self._tableFrame.config(background="red") 

     yScroll.pack(side=RIGHT, fill=Y) 
     xScroll.pack(side=BOTTOM, fill=X) 

     self._canvas.create_window(0, 0, window=self._tableFrame, anchor=N+W) 
     self._canvas.pack(side=LEFT, fill=BOTH, expand=True) 


tkRoot = Tk() 

# Application Size and Center the Application 
appSize = (800, 600) 
w  = tkRoot.winfo_screenwidth() 
h  = tkRoot.winfo_screenheight() 

x = w/2 - appSize[0]/2 
y = h/2 - appSize[1]/2 
tkRoot.geometry("%dx%d+%d+%d" % (appSize + (x, y))) 
tkRoot.update_idletasks() # Force geometry update 

app = Application(5, 5, master=tkRoot) 
app.pack(side=TOP, fill=BOTH, expand=True) 
tkRoot.mainloop()

來源

2013-05-29 markfw

可以與事件<Configure>結合self._canvas，然後調用itemconfig與幀的id添加到畫布（不直接引用到插件）：

def __init__(self, rows, cols, master=None): 
    # ... 
    self._frame_id = self._canvas.create_window(0, 0, window=self._tableFrame, anchor=N+W) 
    self._canvas.pack(side=LEFT, fill=BOTH, expand=True) 
    self._canvas.bind("<Configure>", self.resize_frame) 

def resize_frame(self, e): 
    self._canvas.itemconfig(self._frame_id, height=e.height, width=e.width)

順便說一句，我建議你改寫你的import陳述，在我看來這是相當重複的，unpythonic：

import Tkinter as tk 
# Use tk.Tk, tk.Canvas, etc.

來源

2013-05-29 18:27:03

Tkinter畫布create_window（）

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