如何解决如何在tkinter的另一个画布内制作画布的透明背景？
我有一个代码，我想在画布中的背景图像上使用上面的 Vkeyboard。但我面临的问题是 VKeyboard 的背景默认为白色，我希望它是透明的。我已将画布用于另一个画布以在所需位置显示 Vkeyboard。
以下是我的代码。
from tkinter import *
from PIL import Image,ImageTk,ImageSequence
class tkinterapp(Tk):
def __init__(self,*args,**kwargs):
Tk.__init__(self,**kwargs)
container = Frame(self)
container.pack(side = "top",fill = "both",expand = True)
self.frames = {}
for F in (Page1,Page2):
frame = F(container,self)
self.frames[F] = frame
frame.grid(row = 0,column = 0,sticky ="nsew")
self.update()
self.show_frame(Page1)
def show_frame(self,cont):
if cont not in self.frames:
self.frames[cont] = cont(self.container,self)
frame = self.frames[cont]
frame.tkraise()
frame.event_generate("<<ShowFrame>>")
class Page1(Frame):
def __init__(self,parent,controller):
Frame.__init__(self,parent)
self.controller = controller
self.bind("<<ShowFrame>>",self.myPage1)
def myPage1(self,controller):
super(Page1).__init__()
canvas = Canvas(self,width=2300,height=900,bd=0,highlightthickness=0,relief='ridge')
canvas.pack()
canvas1 = Canvas(canvas,width=2000,height=500,relief='ridge')
canvas.create_window(730,600,window=canvas1)
self.background = PhotoImage(file="Images/background.png")
canvas.create_image(525,425,image=self.background)
self.canvas_textBox = canvas.create_text(290,250,text='SOME TEXT',anchor=NW,fill="cyan",font=('Arial',72))
buttons = [
'1','2','3','4','5','6','7','8','9','0','=','q','w','e','r','t','y','u','i','o','p','<-','a','s','d','f','g','h','j','k','l',';','"','z','x','c','v','b','n','m',','.','/','SHIFT',' Space ',]
curBut = [-1,-1]
buttonL = [[]]
#entry = Text(Keyboard_App,width=97,height=8)
#entry.grid(row=0,columnspan=15)
varRow = 1
varColumn = 0
def leftKey(event):
if curBut == [-1,-1]:
curBut[:] = [0,0]
buttonL[0][0].configure(highlightbackground='red')
elif curBut[0] == 4:
buttonL[curBut[0]][curBut[1]].configure(highlightbackground='#d9d9d9')
curBut[:] = [0,10]
buttonL[0][10].configure(highlightbackground='red')
else:
buttonL[curBut[0]][curBut[1]].configure(highlightbackground='#d9d9d9')
curBut[:] = [curBut[0],(curBut[1]-1)%11]
buttonL[curBut[0]][curBut[1]%11].configure(highlightbackground='red')
def rightKey(event):
if curBut == [-1,0]
buttonL[0][0].configure(highlightbackground='red')
else:
buttonL[curBut[0]][curBut[1]].configure(highlightbackground='#d9d9d9')
curBut[:] = [curBut[0],(curBut[1]+1)%11]
buttonL[curBut[0]][curBut[1]%11].configure(highlightbackground='red')
def upKey(event):
if curBut == [-1,0]
buttonL[0][0].configure(highlightbackground='red')
elif curBut[0] == 0:
buttonL[curBut[0]][curBut[1]].configure(highlightbackground='#d9d9d9')
curBut[:] = [(curBut[0]-1)%5,0]
buttonL[curBut[0]][curBut[1]%11].configure(highlightbackground='red')
else:
buttonL[curBut[0]][curBut[1]].configure(highlightbackground='#d9d9d9')
curBut[:] = [(curBut[0]-1)%5,curBut[1]]
buttonL[curBut[0]][curBut[1]%11].configure(highlightbackground='red')
def downKey(event):
if curBut == [-1,0]
buttonL[0][0].configure(highlightbackground='red')
elif curBut[0] == 3:
buttonL[curBut[0]][curBut[1]].configure(highlightbackground='#d9d9d9')
curBut[:] = [(curBut[0]+1)%5,0]
buttonL[curBut[0]][curBut[1]%11].configure(highlightbackground='red')
else:
buttonL[curBut[0]][curBut[1]].configure(highlightbackground='#d9d9d9')
curBut[:] = [(curBut[0]+1)%5,curBut[1]]
buttonL[curBut[0]][curBut[1]%11].configure(highlightbackground='red')
def select(value,x,y):
if curBut != [-1,-1]:
buttonL[curBut[0]][curBut[1]].configure(highlightbackground='#d9d9d9')
curBut[:] = [x,y]
buttonL[x][y].configure(highlightbackground='red')
if value == "<-":
input = canvas.get(self.canvas_textBox,"1.0",'end-2c')
self.canvas_textBox.delete("1.0",END)
self.canvas_textBox.insert("1.0",input,END)
elif value == " Space ":
self.canvas_textBox.insert(END,' ')
elif value == "Tab":
self.canvas_textBox.insert(END,' ')
else:
self.canvas_textBox.insert(END,value)
for button in buttons:
if button != " Space ":
but = Button(canvas1,text=button,width=5,bg="#000000",fg="#ffffff",highlightthickness=4,activebackground="#ffffff",activeforeground="#000000",relief="raised",padx=12,pady=4,bd=4,command=lambda x=button,i=varRow-1,j=varColumn: select(x,i,j))
buttonL[varRow-1].append(but)
but.grid(row=varRow,column=varColumn)
if button == " Space ":
but = Button(canvas1,width=60,padx=4,j))
buttonL[varRow-1].append(but)
but.grid(row=6,columnspan=16)
varColumn += 1
if varColumn > 10:
varColumn = 0
varRow += 1
buttonL.append([])
canvas1.bind('<Left>',leftKey)
canvas1.bind('<Right>',rightKey)
canvas1.bind('<Up>',upKey)
canvas1.bind('<Down>',downKey)
class Page2(Frame):
def __init__(self,controller):
Frame.__init__(self,self.myPage2)
def myPage2(self,controller):
super(Page2).__init__()
canvas = Canvas(self,relief='ridge')
canvas.pack()
self.background = PhotoImage(file="Images/background.png")
canvas.create_image(525,image=self.background,tags="B")
canvas.create_text(140,376,text="Second Frame")
app = tkinterapp()
app.title("Test")
app.mainloop()
请帮助我实现这一目标！
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