This document is for the GDK 4 library, version 4.0.3 . The latest versions can be found online at If you are looking for the older GDK 3 series of libraries, see

API Reference
General — Library initialization and versioning
GdkDisplayManager — Maintains a list of all open GdkDisplays
GdkDisplay — Controls a set of monitors and their associated input devices
GdkSeat — Object representing a user seat
GdkDevice — Object representing an input device
GtkDevicePad — Pad device interface
GdkMonitor — Object representing an output
GdkRectangle — Simple graphical data type
GdkTexture — Pixel data
GdkPaintable — An interface for a paintable region
GdkRGBA — RGBA colors
Cursors — Named and texture cursors
Surfaces — Onscreen display areas in the target window system
Toplevels — Interface for toplevel surfaces
GdkToplevelLayout — Information for presenting toplevels
GdkToplevelSize — Information for computing toplevel size
Popups — Interface for popup surfaces
GdkPopupLayout — Information for presenting popups
GdkFrameClock — Synchronizes painting to a surface
Frame timings — Object holding timing information for a single frame
GdkDrawContext — Base class for draw contexts
GdkGLContext — OpenGL draw context
GdkVulkanContext — Vulkan draw context
GdkCairoContext — Cairo draw context
Events — Functions for handling events from the window system
Key Values — Functions for manipulating keyboard codes
Clipboards — Share data between applications for Copy-and-Paste
Drag And Drop — Functions for controlling drag and drop handling
Content Formats — Advertising and negotiating of content exchange formats
GdkContentProvider — Provides content for data transfer between applications
GdkContentSerializer — Serialize content for transfer
GdkContentDeserializer — Deserialize content for transfer
GdkPixbuf Interaction — Functions for obtaining pixbufs
Pango Interaction — Using Pango in GDK
Cairo Interaction — Functions to support using cairo
GDK Platform Support
Application launching — Startup notification for applications
X Window System Interaction — X backend-specific functions
Wayland Interaction — Wayland backend-specific functions
Index of all symbols
Annotation Glossary