Python PyQt connecting signals to slots - Exercises and solutions

Python PyQt Connecting Signals to Slots [15 exercises with solution]

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These exercises cover a range of scenarios related to signals and slots in PyQt. They allow users to practice connecting signals to slots, emitting custom signals, handling various user interactions, and utilizing built-in signals for different purposes.

1. Write a Python program that creates a PyQt application with a push button. Display a message when the push button is clicked.

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2. Write a Python program that builds a PyQt application with two push buttons. Connect each button to a different slot function, and when clicked, have each button perform a unique action.

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3. Write a Python program that creates a one-line text editor where you can type text. Whenever you type something in that box, it should immediately show up somewhere else on the screen, like a label. Use PyQt module.

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4. Write a Python program that creates a sliding bar on the screen. The slider will display a number that shows where it is. Use the PyQt module.

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5. Write a Python program that creates a combo box with different items. When you select an item from the list, it should appear somewhere on the screen immediately. Use the PyQt module.

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6. Write a Python program that creates a button and when clicked it prints a message. Use the PyQt module.

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7.Write a Python program that creates a button and when clicked sends a message with a specific value. Use the PyQt module.

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8. Write a Python program that creates a notepad system where you can type, edit and display text. As you write, it should automatically count and show how many characters you've written. Use the PyQt module.

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9. Write a Python program that creates a simple calculator application and displays buttons for numbers and math operations. Use the PyQt module.

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10. Write a Python program that creates a PyQt application with a radio button group. When you select a radio button it should immediately show you which one you picked.

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11. Write a Python program that creates a window for an application. When you try to close the window (like clicking the X button), it should check if you're sure you want to close the application and ask for confirmation. Use the PyQt module.

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12. Write a Python program that creates an application with a window that displays the current time. Use the PyQt module.

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13. Write a Python program that creates a window with a checkbox, like a "yes" or "no" choice. When you click the checkbox to check or uncheck it, something should happen. Use the PyQt module.

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14. Write a Python program that creates an application with a menu. When we choose menu items, a specific message appears.

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15. Write a Python program that makes an application listen to keyboard shortcuts, like pressing a specific key combination. When you press that key combination, a message appears. Use the PyQt module.

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