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Tkinter GUI Application Development Cookbook

You're reading from   Tkinter GUI Application Development Cookbook A practical solution to your GUI development problems with Python and Tkinter

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788622301
Length 242 pages
Edition 1st Edition
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Author (1):
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Alejandro Rodas de Paz Alejandro Rodas de Paz
Author Profile Icon Alejandro Rodas de Paz
Alejandro Rodas de Paz
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Table of Contents (10) Chapters Close

Preface 1. Getting Started with Tkinter FREE CHAPTER 2. Window Layout 3. Customizing Widgets 4. Dialogs and Menus 5. Object-Oriented Programming and MVC 6. Asynchronous Programming 7. Canvas and Graphics 8. Themed Widgets 9. Other Books You May Enjoy

Understanding the coordinate system

To draw graphic items on a canvas, we will need to specify their position using a coordinate system. Since a canvas is a two-dimensional space, points will be notated by their coordinates on the horizontal and vertical axes—commonly labeled x and y respectively.

With a simple application, we can easily illustrate how to locate these points in relation to the origin of the coordinate system, placed in the upper-left corner of the canvas area.

How to do it...

The following program contains an empty canvas and a label that shows the location of the cursor on the canvas; you can move the cursor to see what position it is placed in, giving clear feedback on how the x and y coordinates...

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