add_separator: It demarcates submenus and groups them into upper and lower submenus.add_cascade: It displays a menu label and sticks it where it belongs.Here are some of the common widgets options you'll come across while making a dropdown: And you'll use some of them while designing your dropdown menu. The Menu widget lets you design clickable dropdown menus in tkinter.Īs stated earlier, tkinter offers many widget options.
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How to Create a Dropdown Menu With Tkinter's Menu Widget
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Menubutton(t, text=buttons, bg= "blue", fg= "white").grid(row= 5, column=i)Īdding check buttons to your GUI is quite easy as well: t = Tk()Ĭheckbutton(t, text = "Select option").grid()įeel free to multiply that check button using the for loop, as we did earlier. # Then let the column increase by 1 through the length of the array: # Get each text in the buttons array using a list index as m increases. Let's further explore the power of for loop to add menu buttons to your GUI: from tkinter import *īuttons = Label(t, text = r, font = ( 60)).grid(row = 5, column = 2)īutton(t, text = i, bg = "black", fg = "white", width = 10, height = 2,Ĭommand=j).grid(row = i, column = 1, pady = 6)
So here's a shorter and better version of the above code: def buttonpress (r):
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This slows down execution time, plus it makes your code hard to read and narrow down.īut you can use a for loop to avoid this repetition. That said, you don't want to reinvent the wheel for every button as you did in the previous code. And you can use both keywords simultaneously to separate the buttons across both axes as you desire. Replacing this with padx separates the buttons across the column. The Button widget then points to that event handler using an anonymous lambda function.Īnd if you're worried about the pady keyword, it distinctly separates each button across the row. In the above code, buttonpress handles the multiplication event. Label(t, text=r, font=( 60)).grid(row= 5, column= 2)īutton(t, text = 1, bg = "black", fg = "white", width = 10, height = 2,Ĭommand = lambda:buttonpress( 1)).grid(row= 1, column = 1, pady = 6)īutton(t, text = 2, bg = "black", fg = "white", width = 10,Ĭommand = lambda:buttonpress( 2)).grid(row = 2, column = 1, pady = 6)īutton(t, text = 3, bg = "black", fg = "white", width = 10,Ĭommand = lambda:buttonpress( 3)).grid(row = 3, column = 1, pady = 6)īutton(t, text = 4, bg = "black", fg = "white", width = 10,Ĭommand = lambda:buttonpress( 4)).grid(row = 4, column = 1, pady = 6) And it's based on a pre-defined function: def buttonpress (r): The code below, for instance, multiplies the value of each button by 6 when you click it. It sticks your widgets to the GUI, making them visible. The grid() method, however, is an alternative to the pack() method. Label(t, text = "MUO Tkinter tutorial").grid() Tkinter lets you write plain texts directly to the GUI using the Label widget: t = Tk() You can also adjust the Window size with the geometry function and then specify a title using the title widget of tkinter: t = Tk() To use these widgets, you can import them from tkinter by replacing from tkinter import Tk with: from tkinter import * The customization features of Tkinter, however, are in its built-in widgets. Running the code above spins up an empty tkinter frame. To get started with tkinter: from tkinter import Tk Thus, the mainloop wrapper makes your tkinter code executable. And it wraps up all the events within the GUI in a mainloop. Tkinter depends on its built-in TK class.
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