By Bhaskar Chaudhary

Develop fascinating and interesting GUI purposes in Python and Tkinter by means of engaged on 10 real-world applications

Overview

  • Develop 10 actual GUI purposes utilizing procedural and object-oriented styles
  • Write community courses, database-driven courses, multi-threaded courses and extra with Tkinter
  • A useful consultant to find the simplest practices fascinated about writing GUI applications

In Detail

Tkinter is the integrated GUI package deal that includes ordinary python distributions. this suggests you possibly can start immediately, with none additional install or configuration. Tkinter's energy lies in its simplicity of use and its intuitive nature which makes it fitted to programmers and non-programmers alike. when you start, you may be stunned to work out how a number of traces of code can produce strong GUI applications.

Tkinter GUI program improvement Hotshot is helping you examine the artwork of GUI programming - construction real-world, effective and enjoyable purposes like textual content editor, drum computing device, online game of chess, media participant, drawing software and lots of extra. each one next undertaking builds at the abilities got within the past venture. additionally, learn how to write multi-threaded and multi layered purposes utilizing Tkinter. Get to understand glossy most sensible practices fascinated by writing GUI courses. Tkinter GUI program improvement Hotshot comes with a wealthy resource of pattern codes for you to use on your personal initiatives in any self-discipline of your choice.

Starting with a excessive point evaluate of Tkinter that covers an important thoughts interested by writing a GUI program, the booklet then takes you thru a sequence of genuine international initiatives of accelerating complexity, constructing one venture in step with bankruptcy. once you have constructed 5 complete tasks, the ebook provide you with a few bare-bone skeleton codes for a couple of sensible yet incomplete tasks, hard you to place your abilities to check via finishing them.

Finally, you're supplied with suggestions for writing reusable, scalable, and caliber GUI code for higher tasks. The appendices offer a brief reference sheet for Tkinter.

What you are going to study from this book

  • Structure your courses within the model-view framework
  • Persist your program information with item serialization
  • Work with exterior libraries and Tkinter extensions
  • Write multi-threaded GUI programs
  • Re-factor code at each level of software development
  • Integrate your GUI functions to backend database
  • Use networking together with your Tkinter program
  • Apply Internationalization in your GUI applications
  • Develop a GUI software framework for optimum code reuse and swift program development

Approach

Practical, real-world instance tasks. commence with the themes that seize your awareness or paintings via each one venture in sequence.

Who this e-book is written for

If you've gotten simply began with GUI programming, this booklet is perfect for you. This publication can also be nice when you are an skilled software program developer, scientist, researcher, engineer, scholar, or hobbyist.

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Additional resources for Tkinter GUI Application Development HOTSHOT

Example text

Your Hotshot Objectives Mission Checklist Developing a bare bone GUI framework Prepare for Lift Off Engage Thrusters Step 1 – creating the GUI framework class Step 2 – creating menu builder Step 3 – testing our new framework Objective Complete – Mini Debriefing Classified Intel Structuring our drawing program Engage Thrusters Step 1 – importing framework Step 2: building the top menu Step 3 – undo operation on the Canvas widget Step 4 – saving canvas objects Step 5 – creating buttons in the left tool bar Step 6 – adding command callback to buttons Step 7 – creating color palettes and color selection dialog Step 8 – setting color of background and foreground palette Step 9 – displaying x and y coordinates of mouse movement Objective Complete – Mini Debriefing Handling mouse events Engage Thrusters Step 1 – binding mouse down, mouse motion, and mouse release over the canvas Step 2 – calculating coordinates of mouse movement Step 3 – updating the current mouse position label in the left tool bar Objective Complete – Mini Debriefing Drawing items on the canvas Engage Thrusters Step 1 – creating a tuple of methods Step 2 – add icons to our toolbar buttons Step 3 – keeping a tab on currently selected button Step 4 – code for drawing line, rectangle, and oval shapes Step 5 – code for drawing in continuous stroke Step 6 – executing code dynamically Step 7 – doing the actual drawing Objective Complete – Mini Debriefing Setting the options toolbar at the top Engage Thrusters Step 1 – showing the selected button icon at the top Step 2 – adding the Combobox widget to let user select different fill options Step 3 – modifying draw methods to add configurable options Objective Complete – Mini Debriefing Adding some more features Engage Thrusters Step 1 – extending our methods tuple Step 2 – targeting a given item on the canvas Step 3 – deleting items from the canvas Step 4 – paint bucket feature Step 5 – moving items on top of each other Step 6 – dragging items on the canvas Objective Complete – Mini Debriefing Classified Intel Working with item tags Adding a tag Retrieving tags Getting items with a given tag Built-in tags Mission Accomplished A Hotshot Challenge 7.

Keeping the mainloop running also lets you keep the program running until you press the close button, which exits the main loop. Objective Complete – Mini Debriefing Congratulations! You have completed your first objective, which was to draw the root window. You have now prepared your drawing canvas (root window). Now get ready to paint it with your imagination! py) to memory. These three lines generate your root window, which will accommodate all other graphical components. These lines constitute the skeleton of any GUI application that you will develop in Tkinter.

This requires associating callbacks to specific events. Engage Thrusters Callbacks are normally associated with specific widget events using the command binding the rules, which is elaborated on in the following section. Command binding The simplest way to add functionality to a button is called command binding, whereby the callback function is mentioned in the form of command = some_callback in the widget option. Take a look at the following sample code: def my_callback (): # do something Button(root,text="Click",command= my_callback) Note that my_callback is called without parentheses () from within the widget command option.

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