CODEWITHSUNDEEP
pythontkinter
F.Bartos
F.Bartos

Reputation: 53

Python tkinter how to get text from button I clicked on

I have code like this (just part of a code). I need when someone click on the button that is in list named buttonList then it gets buttons text. This is code how I make render of those buttons. Its normally in class I put only the main part of code here. So how can I get buttons text on click on him ?

def obsahOkna(self):

    #vykresleni
    radek = 0
    bunka = 0
    for i in range(100):
        btn = Button(self.okno, text=seznamTextu[i], width="5", height="2", bg="black", command=self.getText)
        btn.grid(row=radek, column=bunka)

        bunka += 1
        if bunka == 10 :
            bunka = 0
            radek +=1

def getText(self, udalost):
    pass

Upvotes: 4

Views: 5631

Answers (1)

Mike - SMT
Mike - SMT

Reputation: 15226

Ok so here is an example using a class to perform what I think it is you are asking.

You want to use lambda in your command and assign the value of text to a variable. Then you pass that variable to the getTest(self, text) method to be able to print your button.

From your comment

Whole code is not need i just need way to get buttons text nothing else

I have created a bit of code to illustrate what you are wanting.

EDIT: I have added code that will allow you to change the configs of the button as well.

import tkinter as tk

# created this variable in order to test your code.
seznamTextu = ["1st Button", "2nd Button", "3rd Button", "4th Button", "5th Button"]

class MyButton(tk.Frame):
    def __init__(self, parent, *args, **kwargs):
        tk.Frame.__init__(self, parent, *args, **kwargs)
        self.parent = parent
        self.obsahOkna()
    def obsahOkna(self):

        radek = 0
        bunka = 0
        for i in range(5):
            btn = tk.Button(self.parent, text=seznamTextu[i])
            btn.config(command= lambda t=seznamTextu[i], btn = btn: self.getText(t, btn))
            # in order for this to work you need to add the command in the config after the button is created.
            # in the lambda you need to create the variables to be passed then pass them to the function you want.
            btn.grid(row=radek, column=bunka)

            bunka += 1
            if bunka == 2 : # changed this variable to make it easier to test code.
                bunka = 0
                radek +=1

    def getText(self, text, btn):
        btn.configure(background = 'black', foreground = "white")
        print("successfully called getText")
        print(text)


if __name__ == "__main__":
    root = tk.Tk()
    myApp = MyButton(root)


    root.mainloop()

Here is the result of running the program and pressing a couple buttons.

enter image description here

Upvotes: 4

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