QFileDialogbb

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AI summary
The document provides a sample C++ code using Qt to open a file save dialog when a button is clicked. It demonstrates creating a QPushButton that triggers QFileDialog::getSaveFileName() to allow users to select a file path. The selected path is displayed using qDebug(), and instructions are given for integrating the code into a Qt Widgets Application project.
Tags
File Handling
Qt Programming
User Interface
Last edited time
Jan 20, 2024 01:42 AM
Here's a sample code that demonstrates how to open a file save dialog after pushing a button in Qt using C++:
In this code, we create a QPushButton widget that triggers the file save dialog when clicked. The clicked signal of the button is connected to a lambda function that opens the file save dialog using QFileDialog::getSaveFileName(). We specify the window title, default file name, file filters, and the parent widget.
Inside the lambda function, you can implement your file-saving logic using the obtained file path. In this example, we display the selected file path using qDebug() for demonstration purposes.
To use this code, create a new Qt Widgets Application project, replace the content of the main.cpp file with the provided code, and build/run the project. Clicking the "Save File" button will open the file save dialog, allowing you to select a file path and handle it as needed.
Note: Don't forget to include the required Qt modules (#include <QPushButton>, #include <QFileDialog>) and add the appropriate library dependencies in your project file.
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