오 레거측 같은거노?

다른 프로그램 사용중에도 항상 위에있는거 옵션임 코드는

from tkinter import *
from tkinter.ttk import *
import math

root = Tk()
root.title("워썬더 거리계산기")
root.geometry("900x800")
root.resizable(False,False)
global x0,y0,x1,y1
trig =0
distance =1 

def down(event):
    global trig
    global x0,y0,x1,y1
    global distance
    x0=event.x
    y0=event.y
    canvas.create_oval(event.x-10, event.y-10, event.x+10, event.y+10)
    if trig==0:
        trig=1
        x1=x0
        y1=y0        
    elif trig==1 :
        canvas.create_line(x0,y0,x1,y1,fill="red")
        xminus = x1 - x0
        yminus = y1 - y0
        if xminus <0 :
            xminus=xminus*(-1)
        if yminus <0 :
            yminus=yminus*(-1)
        xminus = math.pow(xminus,2)
        yminus = math.pow(yminus,2)
        dig = math.pow(xminus+yminus,0.5) *float(distance)/100
        result = int(dig)
        canvas.create_text(x0+20, y0+20, text=str(result),font=("돋움체",10,'bold'))
        x0=0
        y0=0
        x1=0
        y1=0
        trig = 0
        
canvas = Canvas(root,width=800, height=800, bg="gray95")
canvas.place(x=0,y=0)
canvas.bind("<Button-1>",down)

label1 = Label(root, text = "축척",font =("돋움체",20))
label1.place(x=815,y=20)

def ans():
    global distance
    distance = r.get()
    
r = IntVar()
r1 = Radiobutton(root, text="100m", variable=r, value="100",command=ans)
r1.place(x=815, y=60)
r2 = Radiobutton(root, text="120m", variable=r, value="120",command=ans)
r2.place(x=815, y=80)
r3 = Radiobutton(root, text="130m", variable=r, value="130",command=ans)
r3.place(x=815, y=100)
r4 = Radiobutton(root, text="150m", variable=r, value="150",command=ans)
r4.place(x=815, y=120)
r5 = Radiobutton(root, text="160m", variable=r, value="160",command=ans)
r5.place(x=815, y=140)
r6 = Radiobutton(root, text="180m", variable=r, value="180",command=ans)
r6.place(x=815, y=160)
r7 = Radiobutton(root, text="200m", variable=r, value="200",command=ans)
r7.place(x=815, y=180)
r8 = Radiobutton(root, text="225m", variable=r, value="225",command=ans)
r8.place(x=815, y=200)
r9 = Radiobutton(root, text="250m", variable=r, value="250",command=ans)
r9.place(x=815, y=220)
r10 = Radiobutton(root, text="300m", variable=r, value="300",command=ans)
r10.place(x=815, y=240)
r11 = Radiobutton(root, text="320m", variable=r, value="320",command=ans)
r11.place(x=815, y=260)
r12 = Radiobutton(root, text="400m", variable=r, value="400",command=ans)
r12.place(x=815, y=280)

def callback():
    global trig
    trig=0
    canvas.delete("all")
    for x in range(0,850,100):
        canvas.create_line(x,0,x,850,fill="black",width=3)
    for y in range(0,850,100):
        canvas.create_line(0,y,850,y,fill="black",width=3)
    
toptrig=1
def top():
    global toptrig
    if toptrig==1:
        root.wm_attributes("-topmost",1)
        toptrig=0;
        label3.config(text="항상위O")
    elif toptrig==0:
        root.wm_attributes("-topmost",0)
        toptrig=1
        label3.config(text="항상위X")
        
reset_button = Button(root,text="초기화",command=callback)
reset_button.place(x=810,y=575)
mosttop = Button(root,text="항상위",command=top)
mosttop.place(x=810,y=550)

for x in range(0,850,100):
    canvas.create_line(x,0,x,850,fill="black",width=3)
for y in range(0,850,100):
    canvas.create_line(0,y,850,y,fill="black",width=3)
def slide(_):
    root.attributes('-alpha', slide_bar.get())    

slide_bar = Scale(root, from_=1.0, to=0.1, value=1,orient=VERTICAL,command=slide)
slide_bar.place(x=840, y=400);
label2 = Label(root, text = "투명도",font =("돋움체",14))
label2.place(x=820,y=370)
label3 = Label(root, text = "항상위X",font =("돋움체",14))
label3.place(x=815,y=520)

root.mainloop()