GTK+ 3 Reference Manual
Numeric/Text Data Entry
GtkEntry
— A single line text entry field
GtkEntryBuffer
— Text buffer for GtkEntry
GtkEntryCompletion
— Completion functionality for GtkEntry
GtkScale
— Base class for GtkHScale and GtkVScale
GtkHScale
GtkVScale
— A vertical slider widget for selecting a value from a range
GtkSpinButton
— Retrieve an integer or floating-point number from the user
GtkEditable
— Interface for text-editing widgets