What are signals and slots in Qt?
An example of an AI chatbot conversation about signals and slots in Qt framework.
What are signals and slots in Qt?
Signals and slots are a mechanism in Qt for communication between objects. A signal is emitted when a particular event occurs, and a slot is a function that is called in response to a particular signal.
Can you give me an example of how to use them?
Sure! For instance, if you have a button and you want to perform an action when it's clicked, you can connect the button's clicked signal to a custom slot that handles the action.
How do I connect a signal to a slot in code?
You can connect a signal to a slot using the connect() function. For example: connect(button, &QPushButton::clicked, this, &MyClass::mySlot);.
What happens if a signal is emitted but no slot is connected?
If a signal is emitted and no slot is connected, nothing happens. The signal is simply ignored.
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