Qt Reference Documentation

# Standard Dialogs

QColorDialog | Dialog widget for specifying colors
QFileDialog | Dialog that allow users to select files or directories
QFontDialog | Dialog widget for selecting a font
QInputDialog | Simple convenience dialog to get a single value from the user
QMessageBox | Modal dialog for informing the user or for asking the user a question and receiving an answer
QPageSetupDialog | Configuration dialog for the page-related options on a printer
QPrintDialog | Dialog for specifying the printer's configuration
QPrintPreviewDialog | Dialog for previewing and configuring page layouts for printer output
QProgressDialog | Feedback on the progress of a slow operation