当我创建滚动条时,似乎没有滚动选项,即使其中的内容比画布大。 画布是在一个框架内,我听说这是正确的方法。 我的代码的相关部分:
from tkinter import *
class UniversityProcessor:
def __init__(self):
self.root = Tk()
self.rootWidth, self.rootHeight = 1200, 1200
screenWidth, screenHeight = self.root.winfo_screenwidth(), self.root.winfo_screenheight()
xPosition, yPosition = (screenWidth/2) - (self.rootWidth/2), (screenHeight/2) - (self.rootHeight/2)
self.root.geometry("%dx%d+%d+%d"%(self.rootWidth, self.rootHeight, xPosition, yPosition))
self.root.title("University processor")
self.updateUniText()
self.root.mainloop()
def updateUniText(self):
self.textPixelTotal = 0
self.frame = Frame(self.root, bg = self.bg, width = self.rootWidth, height = self.rootHeight)
self.frame.pack()
self.canvas = Canvas(self.frame, bg = self.bg, width = self.rootWidth, height = self.rootHeight)
self.inner = Frame(self.canvas, bg = self.bg, width = self.rootWidth, height = self.rootHeight)
self.canvas.create_window((0, 0), window = self.inner, anchor = "nw")
for it in range(0, 50):
label = Label(self.inner, bg = self.bg, text = f"Title {it + 1}", font = ("Arial", 20, "bold"))
label.place(y = self.textPixelTotal, x = it)
self.canvas.update()
self.textPixelTotal += label.winfo_height()
self.inner.configure(height = self.textPixelTotal)
self.inner.place(x=0,y=0,anchor="nw")
self.scroll = Scrollbar(self.frame, orient = VERTICAL, command = self.canvas.yview)
self.scroll.pack(side = RIGHT, fill = Y)
self.canvas.configure(yscrollcommand = self.scroll.set)
self.canvas.bind("<Configure>", lambda e: self.canvas.configure(scrollregion = self.canvas.bbox("all")))
self.canvas.pack(side=LEFT, expand=True, fill=BOTH)
UniversityProcessor()
我不知道是否有某种画布属性或滚动条属性我需要设置,但它填补了屏幕
滚动条确实出现,大小正确,但实际上没有滚动
您不应该使用
place()
在画布中放置标签。您需要在画布内创建一个内部框架,并将所有标签放在该框架内:相关问题 更多 >
编程相关推荐