以下是我的代码,
from tkinter import *
window = Tk()
canvas = Canvas(window,width=300, height=300, bd=0)
canvas.pack()
background = PhotoImage(file="Images/background.png") # can be any background image
canvas.create_image(300,300,image=background)
canvas_textbox = canvas.create_text(20, 70, text='TOUCH ME TO EDIT THIS TEXT', anchor=NW, fill="lime")
window.mainloop()
有没有可能改变canvas.create_text
这样它就可以像 Entry
一样运行(当用户单击它以编辑文本时给出文本光标)但看起来像 canvas.create_text
只要。
最佳答案
canvas_textbox = canvas.create_text()
将返回一个对象 ID(数字)
首先,将 Canvas 绑定(bind)到鼠标。然后将鼠标位置传给closest=canvas.find_closest(x, y)
,这将返回 x,y 位置下的项目 id。
现在检查对象 id 文本是否在 closest
中.如果是最近使用create_window
放置Entry
小部件位于鼠标位置或您选择的位置。
这是代码:
from tkinter import *
from PIL import Image, ImageTk
def update(event):
canvas.delete('entry')
canvas.itemconfig(tagOrId='text', text=text_box.get())
def clicked(event):
closest = canvas.find_closest(event.x, event.y)# returns the closest item to x, y in the form of tuple
if 2 in closest:
canvas.itemconfig(tagOrId='text', text='')
canvas.create_window(event.x, event.y, window=text_box, tag='entry')
else:
print('No')
window = Tk()
canvas = Canvas(window,width=300, height=300, bd=0)
canvas.pack()
background = ImageTk.PhotoImage(Image.open(r"\path.jpg")) # can be any background image
canvas.create_image(300,300,image=background)
canvas_textbox = canvas.create_text(20, 70, text='TOUCH ME TO EDIT THIS TEXT', anchor=NW, fill="lime", tag='text')
text_box = Entry(window)
text_box.bind('<Return>', update)
print(canvas.find_all()) # returns all the items in canvas as tuple
canvas.bind('<Button>', clicked)
window.mainloop()
或者你也可以试试这个:from tkinter import *
from PIL import Image, ImageTk
def update(event):
canvas.delete('entry')
canvas.itemconfig(tagOrId='text', text=text_box.get())
def clicked(event):
closest = canvas.find_closest(event.x, event.y)# returns the closest item to x, y in the form of tuple
x, y = canvas.coords(closest)
if canvas_textbox in closest:
canvas.itemconfig(tagOrId='text', text='')
canvas.create_window(x+100, y, window=text_box, tag='entry')
else:
print('No')
window = Tk()
canvas = Canvas(window,width=300, height=300, bd=0)
canvas.pack()
background = ImageTk.PhotoImage(Image.open(r"\image")) # can be any background image
canvas.create_image(300,300,image=background)
canvas_textbox = canvas.create_text(20, 70, text='TOUCH ME TO EDIT THIS TEXT', anchor=NW, fill="lime", tag='text')
text_box = Entry(window, borderwidth=0, highlightthickness=0)
text_box.insert(0, 'TOUCH ME TO EDIT THIS TEXT')
print(canvas.coords(2))
text_box.bind('<Return>', update)
print(canvas.find_all()) # returns all the items in canvas as tuple
canvas.bind('<Double-1>', clicked)
window.mainloop()
(双击文本)
关于python - 是否可以像在 Entry 中一样通过单击来更改 canvas.create_text 中的内容?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/65378005/