Event-driven programming
17-minute lesson · module-gui-03
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Event-driven programming
17-minute lesson · module-gui-03
- Explain the event-driven model and the role of the event loop.
- Attach a callback to a Button with the command argument.
- Bind keyboard and mouse events to a handler with .bind().
- Update a widget from inside a callback to respond to the user.
Source attribution
Status: adapted
How to Think Like a Computer Scientist: Interactive Edition — source · GUI and Event Driven Programming / Command Events / Event Binding / Timer Events
Adaptation notes. Read-along lesson. tkinter needs a native window and a live event loop, which the Pyodide sandbox lacks, so there is no graded coding step. Code is for reading and local running. The click-counter example is ours; prose is original.
License notes. Original chapter is GNU FDL 1.3 (Brad Miller, David Ranum, and the upstream Elkner/Downey/Meyers text). No verbatim text reproduced.