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Python GUI Programming Cookbook, Second Edition

You're reading from   Python GUI Programming Cookbook, Second Edition Use recipes to develop responsive and powerful GUIs using Tkinter

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781787129450
Length 444 pages
Edition 2nd Edition
Languages
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Author (1):
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Burkhard Meier Burkhard Meier
Author Profile Icon Burkhard Meier
Burkhard Meier
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Toc

Table of Contents (18) Chapters Close

Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
1. Creating the GUI Form and Adding Widgets FREE CHAPTER 2. Layout Management 3. Look and Feel Customization 4. Data and Classes 5. Matplotlib Charts 6. Threads and Networking 7. Storing Data in our MySQL Database via our GUI 8. Internationalization and Testing 9. Extending Our GUI with the wxPython Library 10. Creating Amazing 3D GUIs with PyOpenGL and PyGLet 11. Best Practices

Creating reusable GUI components


We will create reusable GUI components using Python. In this recipe, we will keep it simple by moving our ToolTip class into its own module. Then, we will import and use it for displaying tooltips over several widgets of our GUI.

Getting ready

We are building our code from Chapter 3, Look and Feel CustomizationGUI_tooltip.py.

How to do it…

We will start by breaking out our ToolTip class into a separate Python module. We will slightly enhance it to pass in the control widget and the tooltip text that we wish to display when we hover the mouse over the control.

We create a new Python module and place the ToolTip class code into it and then import this module into our primary module.

We then reuse the imported ToolTip class by creating several tooltips, which can be seen when hovering the mouse over several of our GUI widgets.

Refactoring our common ToolTip class code out into its own module helps us reuse this code from other modules. Instead of copy/paste/modify...

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