How to use grid geometry manager to position widgets in a grid in Tkinter Python?

by Abdul Rawoof A R Updated: Jul 11, 2023

Solution Kit

In programming, Tkinter is a popular Python library. It is used for creating graphical user interfaces (GUIs). The Tkinter library provides various widgets and tools to build GUI applications. It is one the essential components is the Tkinter grid.

The Tkinter grid is a geometry manager. It helps you organize and layout widgets within a Tkinter window or frame. It provides a grid-based layout system. It allows you to divide the available space into rows and columns. You can then place widgets at specific positions within this grid.

Here's a general overview of how the Tkinter grid works:

Create a Tkinter window or frame.
Specify the grid structure by defining the number of rows and columns.
Create widgets (such as buttons, labels, or entry fields) that you want to place in the grid.
Use each widget's grid () method to specify its position within the grid. You provide the row and column indices where you want the widget placed. For example, widget.grid(row=0, column=1) places the widget in the first and second columns.
You can specify more options with the grid () method. Defining how the widget should expand or align within its grid cell is sticky.
Repeat steps 4 and 5 for each widget you want to add.
Finally, start the Tkinter event loop to display the window. It handles user interactions.

Various types of grids are available, ranging from simple 2D grids to more complex 3D grids. Here are some common types:

2D grid:

Cartesian Grid: Consists of rows and columns forming a rectangular grid.
Square Grid: Similar to a Cartesian grid, but with equal row and column spacing.
Hexagonal Grid: Uses hexagons as the grid cells instead of squares.

3D grid:

Cubic Grid: A 3D extension of the Cartesian grid, where each cell forms a cube.
Cuboid Grid: Similar to the cubic grid, but with rectangular cells instead of cubes.
Tetrahedral Grid: Uses tetrahedrons as the grid cells, forming a 3D triangular grid.

Structured Grids:

Staggered Grid: Different properties are defined at different locations in a staggered manner. It provides a more accurate representation of certain physical phenomena.
Block-Structured Grid: Consists of many interconnected rectangular or curvilinear grids. It is used for complex geometry.

Unstructured Grids:

Arbitrary Lagrangian-Eulerian (ALE) Grid: Combines elements of structured and unstructured grids. It is used for fluid dynamics simulations.
Delaunay Triangulation: A method for creating unstructured grids in 2D and 3D. It is where the cells are built by connecting points based on the Delaunay criterion.
Voronoi Diagram: Another approach is by creating unstructured grids. Each cell represents a region around a seed point and is defined as the set of points closest to that seed.

The grid layout manager in Python Tkinter provides a sticky option. It allows aligning the widgets to the LEFT, RIGHT, TOP, and BOTTOM directions. Now that we have this covered let's use the Grid Manager in our application. Tkinter grid provides some manager classes to manage widgets such as pack(), grid (), and place. Tkinter has three built-in layout managers. It uses geometric methods to position buttons in an application frame. It includes a pack, grid, and place. The method will return a list of all the grid options for a widget and their values.

This method registers a widget with the grid geometry manager. If you don't do this, the widget will exist but not be visible on the screen. The grid manager locates widgets in a 2D grid using row and column relative coordinates. When creating this layout, using the pack manager is possible. But it takes many extra frame widgets and much work to make things look good. This is a geometry manager to manage the widgets in a table-like structure. Usually, a 2D table contains these widgets in the parent widget, which is split into rows and columns.

Here is an example of how to use the grid geometry manager to position widgets in a grid in Tkinter Python:

Fig: Preview of the output that you will get on running this code from your IDE.

Code

In this solution, we are using Tkinter library.

PythonLines of Code : 38License : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries :

from tkinter import *

global rw;rw = 0
def changed():
    global rw;rw += 1;
    if rw == 2:rw=0
    label.grid(row=rw,column=0)
root = Tk()
root.config(bg="pink")
frame = Frame(root, bg="sky blue")
frame.pack()

label = Label(frame,text="Hello")
label.grid(row=0,column=0)
b = Button(frame, text='Press me!', command=changed)
b.grid(row=0, column=1)

root.mainloop()

from tkinter import *

def changed():
    size = label.grid_info().get("row") #getting current row
    if size == 0:size = 1
    elif size == 1:size = 0
    label.grid(row=size,column=0)
root = Tk()
root.config(bg="pink")
frame = Frame(root, bg="sky blue")
frame.pack()

label = Label(frame,text="Hello")
label.grid(row=0,column=0)
b = Button(frame, text='Press me!', command=changed)
b.grid(row=0, column=1)

root.mainloop()

Instructions

Follow the steps carefully to get the output easily.

Install PyCharm Community Edition on your computer.
Open terminal and install the required libraries with following commands.
Install Tkinter - pip install tkinter.
Create a new Python file(eg: test.py).
Copy the snippet using the 'copy' button and paste it into that file.
Run the file using run button.

I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.

I found this code snippet by searching for 'use the grid geometry manager to position widgets in a grid in Tkinter Python' in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

The solution is created in PyCharm 2022.3.3.
The solution is tested on Python 3.9.7.
Tkinter version 1.0.7.

Using this solution, we are able to use the grid geometry manager to position widgets in a grid in Tkinter Python with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to use the grid geometry manager to position widgets in a grid in Tkinter Python.

Dependent Library

Tkinter-Designerby ParthJadhav

Python

5885

Version:v1.0.7

License: Permissive (BSD-3-Clause)

An easy and fast way to create a Python GUI 🐍

Support

Quality

Security

License

Reuse

Tkinter-Designerby ParthJadhav

Python 5885 Version:v1.0.7 License: Permissive (BSD-3-Clause)

An easy and fast way to create a Python GUI 🐍

Support

Quality

Security

License

Reuse

You can also search for any dependent libraries on kandi like 'Tkinter'.

FAQ:

1. What is a grid layout manager, and how does it differ from other built-in layout managers?

A grid layout manager is a layout manager. It is used in graphical user interface (GUI) frameworks and libraries. It arranges components in a grid-like structure. It divides the available space into a series of rows and columns. It assigns components to specific cells within the grid.

Each component occupies a cell in a grid layout defined by its row and column indices. Components are arranged in a left-to-right, top-to-bottom order. The grid layout manager ensures that all cells have the same size. It does so with components expanding or shrinking to fit their assigned cells.

2. How do I use the Tkinter grid to organize my widgets on a canvas?

Tkinter's Grid geometry manager organizes widgets in a table-like structure. But it cannot be applied to a canvas widget. The Grid geometry manager is designed for use with frames. You can create more frame widgets to achieve a similar layout effect within a canvas. Then use the Grid Manager within those frames.

3. What are some advantages of using the grid geometry manager over other layouts?

Here are some of the advantages of using the Grid geometry manager:

Flexible positioning.
Alignment control.
Responsive design.
Complex layouts.
Clear structure.
Easy modification.
Cross-platform compatibility.

4. Can frame widgets be used in conjunction with the Tkinter Grid?

No, Frame widgets cannot be used with the Tkinter Grid geometry manager. The Grid Manager is designed to organize widgets in a grid-like structure. It is where each widget occupies a cell defined by row and column indices. But Frame widgets are containers. It groups and organizes other widgets within them.

But you can combine Frame and Grid to achieve the desired layout. You can place a Frame widget within a cell of the Grid manager and then use another layout manager. It includes Pack or Grid to organize the widgets within the frame.

5. How can I arrange various widgets within a cell of a Tkinter Grid?

To arrange various widgets within a Tkinter Grid cell, you can use more container widgets. It includes a frame to hold and position the widgets.

Support

For any support on kandi solution kits, please use the chat
For further learning resources, visit the Open Weaver Community learning page.

See similar Kits and Libraries

Open Weaver – Develop Applications Faster with Open Source

Terms
Privacy policy

How to use grid geometry manager to position widgets in a grid in Tkinter Python?

2D grid:

3D grid:

Structured Grids:

Unstructured Grids:

Code

Instructions

Environment Tested

Dependent Library

FAQ:

Support

Open Weaver – Develop Applications Faster with Open Source

kandi

Community and Support

Company

Follow