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programming toolbox

Your Programming Toolbox

You’ve got Chapter 9 under your belt.
CHAPTER 9 in this chapter:
Let’s look back at what you’ve learned

Programming T ools
* The Window Manager manages the windows created by

* GUI events can be generated by the operating system, the
your GUI.
Window Manager, and your user.
* If you redefine some default functionality, be sure to code
the default behavior into your code (if required).
* A checkbox lets you indicate whether something is set to

* A scale/slider lets you implement a volume control.
ON or OFF.
* Be sure to look at other GUI programs when looking for

inspiration and ideas for your own programs.
* Reserved words are names that have special meaning in a Python T ools
programming language and which cannot be used as variable

* app.destroy() - used to terminate a
tkinter GUI application
names. * DoubleVar() - like IntVar and StringVar,

but used to hold a floating-point number

creating checkboxes
* Checkbutton() - a tkinter widget for
scales/sliders
* Scale() - a tkinter widget for creating

348 Chapter 9