The QTextEdit class provides a widget that is used to edit and display both plain and rich text.| doc.qt.io
The QPoint class defines a point in the plane using integer precision.| doc.qt.io
The QLineEdit widget is a one-line text editor.| doc.qt.io
The QFileDialog class provides a dialog that allows users to select files or directories.| doc.qt.io
The QAbstractItemView class provides the basic functionality for item view classes.| doc.qt.io
An overview of the drag and drop system provided by Qt.| doc.qt.io
The QWidget class is the base class of all user interface objects.| doc.qt.io
The QApplication class manages the GUI application's control flow and main settings.| doc.qt.io
The QString class provides a Unicode character string.| doc.qt.io