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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
Tkinter - an easy to use Python Graphic User Interface - introductory examples

Tkinter (tkinter from Python 3.0 - note the different case) is a graphic user interface (GUI) that's included with the Python distribution. It's a lightweight wrapper around the Tk Toolkit - frequently used with Tcl too - and it provides a very quick and easy way to replace user-facing command line interfaces with interaction windows with buttons, labels, sliders, text entry boxes, etc.

I've added a "Hello GUI World" example using Python and Tkinter to our web site - a program showing the very first basics. Source code [here]. It's as easy as ...

Set up a root window:

  root = Tkinter.Tk()

Add a couple of components into that window, and display them:

  Tkinter.Label(text='Hello GUI World').pack()
  Tkinter.Button(text='exit', command = sys.exit).pack()

And wait for the user to do something (alas, all we have provided for him in this simple example is an "exit" button!)


Moving on to a more complete first practical example of a GUI (source code [here]), I've provided examples of each of the major stages of a GUI:
• Setting up widgets
• Arranging widgets in a geometry
• Acting when widgets are used (e.g. buttons pressed)
• providing feedback within the GUI's window

Our Python Courses overview the various GUIs available and include short intriductory demos such as the ones above. If you want to study any particuar GUI in more detail, let us know in advance (for a private course) or ask us to run an "extra day" for you after our public course. We have a great deal of material available on Tk, and plenty on Qt and wx too, but as only a small proportion of delegates uses each we can't justify their full and detailed coverage for everyone on a public course.

(written 2011-10-13)

Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
Y204 - Python - The TkInter GUI
  [4258] Keeping you Tkinter display up to date while monitoring - (2014-04-06)

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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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