QKeyEvent matches belong to the Qt library, and are used for handling keyboard events in C++ applications. They provide a way to check if a keyboard event matches a certain key or key combination.
Here are some code examples:
1. Checking if the user pressed the Enter key:
void MyWidget::keyPressEvent(QKeyEvent *event) { if (event->key() == Qt::Key_Return || event->key() == Qt::Key_Enter) { // do something } }
In this example, the keyPressEvent method is called whenever a key is pressed. The if statement checks if the key is either the Return key or the Enter key, and if it is, some action can be taken.
2. Checking if the user pressed Ctrl+Q to quit:
void MyWidget::keyPressEvent(QKeyEvent *event) { if (event->matches(QKeySequence::Quit)) { // quit the application } }
In this example, we use the matches method to check if the user pressed the Ctrl+Q key combination, which is a standard key sequence for quitting an application.
Overall, QKeyEvent matches are a useful tool for handling keyboard events in C++ applications using the Qt library.
C++ (Cpp) QKeyEvent::matches - 17 examples found. These are the top rated real world C++ (Cpp) examples of QKeyEvent::matches extracted from open source projects. You can rate examples to help us improve the quality of examples.