Python - gui programming (tkinter)
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The document outlines different options for developing graphical user interfaces (GUIs) in Python, focusing on tkinter as the standard library. It provides a brief overview of various widgets available in tkinter, such as buttons, labels, and checkboxes, along with their descriptions. The document emphasizes the ease of creating GUI applications using tkinter and presents a simple programming example.
Python - gui programming (tkinter)
- 1. Swipe Python - GUI Programming (Tkinter)
- 2. Python provides various options for developing graphical user interfaces (GUIs). Most important are listed below. Tkinter − Tkinter is the Python interface to the Tk GUI toolkit shipped with Python. we will take a look at the option. wxPython − This is an open-source Python interface for wxWindows http://wxpython.org. JPython − JPython is a Python port for Java which gives Python scripts seamless access to Java class libraries on the local machine http://www.jython.org Python - GUI Programming
- 3. Tkinter is the standard GUI library for Python. Python when combined with Tkinter provides a fast and easy way to create GUI applications. Tkinter provides a powerful object-oriented interface to the Tk GUI toolkit. Creating a GUI application using Tkinter is an easy task. All you need to do is perform the following steps Import the Tkinter module. Create the GUI application main window. Add one or more of the above-mentioned widgets to the GUI application. Enter the main event loop to take action against each event triggered by the user. Tkinter Programming
- 4. Example #!/usr/bin/python import Tkinter top = Tkinter.Tk() # Code to add widgets will go here... top.mainloop()
- 5. Tkinter provides various controls such as buttons, labels and text boxes used in a GUI application. These controls are commonly called widgets. There are currently 15 types of widgets in Tkinter. We present these widgets as well as a brief description in the following table Tkinter Widgets
- 6. Operator & Description Button The Button widget is used to display buttons in your application. Canvas The Canvas widget is used to draw shapes, such as lines, ovals, polygons and rectangles, in your application. Checkbutton The Checkbutton widget is used to display a number of options as checkboxes. The user can select multiple options at a time. Entry The Entry widget is used to display a single-line text field for accepting values from a user. Frame The Frame widget is used as a container widget to organize other widgets.
- 7. Label The Label widget is used to provide a single- line caption for other widgets. It can also contain images. Listbox The Listbox widget is used to provide a list of options to a user. Menubutton The Menubutton widget is used to display menus in your application. Menu The Menu widget is used to provide various commands to a user. These commands are contained inside Menu button. Message The Message widget is used to display multiline text fields for accepting values from a user.
- 8. Radiobutton The Radiobutton widget is used to display a number of options as radio buttons. The user can select only one option at a time. Scale The Scale widget is used to provide a slider widget. Scrollbar The Scrollbar widget is used to add scrolling capability to various widgets, such as list boxes. Text The Text widget is used to display text in multiple lines. Toplevel The Toplevel widget is used to provide a separate window container.
- 9. Let us take a look at how some of their common attributes.such as sizes, colors and fonts are specified:- Dimensions Colors Fonts Anchors Relief styles Bitmaps Cursors Standard attributes
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