GTK Documentation

<!DOCTYPE html> <html lang="en"> <head> <title>GTK Documentation</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta charset="utf-8" /> <meta property="og:site_name" content="https://docs.gtk.org"/> <meta property="og:title" content="GTK Documentation"/> <meta property="og:url" content="https://docs.gtk.org"/> <meta property="og:type" content="website"/> <meta property="og:description" content="API reference for GTK"/> <meta name="twitter:title" content="GTK Documentation"/> <meta name="twitter:url" content="https://docs.gtk.org"/> <meta name="twitter:card" content="summary"/> <link rel="canonical" href="https://docs.gtk.org"/> <link rel="stylesheet" href="style.css" type="text/css" /> <script src="main.js"></script>  </head> <body> <div id="body-wrapper" tabindex="-1"> <nav class="sidebar"> <div class="section"> <img src="assets/gtk-logo.svg" class="logo"/> </div> <div class="section"> <h5>Sections</h5> <div class="links"> <a href="#user-interface">User interface</a> <a href="#core-libraries">Core libraries</a> <a href="#older-versions">Older versions</a> </div> </div> </nav> <button id="btn-to-top" class="hidden"><span class="up-arrow"></span></button> <section id="main" class="content"> <header> <h1>GTK Documentation</h1> </header> <div class="toggle-wrapper"> <h4 id="user-interface"> User interface <a href="#user-interface" class="anchor"></a> </h4> <div class="docblock"> <h5 id="gdk">GTK</h5> <p>GTK is the primary library used to construct user interfaces. It provides user interface controls and signal callbacks to respond to user actions.</p> <p><a href="https://docs.gtk.org/gtk4/">GTK API reference</a></p> </div> <div class="docblock"> <h5 id="gdk">GSK</h5> <p>An intermediate layer which provides a rendering API implemented using Cairo, OpenGL or Vulkan.</p> <p><a href="https://docs.gtk.org/gsk4/">GSK API reference</a></p> </div> <div class="docblock"> <h5 id="gdk">GDK</h5> <p>An intermediate layer which isolates GTK from the details of the windowing system.</p> <p><a href="https://docs.gtk.org/gdk4/">GDK API reference</a></p> </div> <div class="docblock"> <h5 id="pango">Pango</h5> <p>Pango is the core text and font handling library used in GTK applications. It has extensive support for the different writing systems used throughout the world.</p> <p><a href="https://docs.gtk.org/Pango/">Pango API reference</a></p> </div> <div class="docblock"> <h5 id="gdk-pixbuf">GdkPixbuf</h5> <p>GdkPixbuf is a library for image loading and manipulation.</p> <p><a href="https://docs.gtk.org/gdk-pixbuf/">GdkPixbuf API reference</a></p> </div> <div class="docblock"> <h5 id="cairo">Cairo</h5> <p>Cairo is a 2D graphics library with support for multiple output devices. It is designed to produce consistent, high quality output on all media.</p> <p><a href="https://www.cairographics.org/manual/" class="external">Cairo API reference</a></p> </div> </div> <div class="toggle-wrapper"> <h4 id="core-libraries" style="display:flex;"> Core libraries <a href="#core-libraries" class="anchor"></a> </h4> <div class="docblock"> <h5 id="glib">GLib</h5> <p>GLib provides the core application building blocks for libraries and applications written in C. It provides common data types used in GTK, the main loop implementation, and a large set of utility functions for strings and general portability across different platforms.</p> <p><a href="https://docs.gtk.org/glib/" class="external">GLib API reference</a></p> <p><a href="https://docs.gtk.org/glib-unix/" class="external">GLib Unix-specific API reference</a></p> <p><a href="https://docs.gtk.org/glib-win32/" class="external">GLib Windows-specific API reference</a></p> </div> <div class="docblock"> <h5 id="gobject">GObject</h5> <p>GObject provides the object system used by GTK.</p> <p><a href="https://docs.gtk.org/gobject/" class="external">GObject API reference</a></p> </div> <div class="docblock"> <h5 id="gio">GIO</h5> <p>GIO provides a portable, modern and easy-to-use file system abstraction API for accessing local and remote files; a set of low and high level abstractions over the <a href="https://www.freedesktop.org/wiki/Software/dbus/" class="external">DBus</a> IPC specification; an application settings API; portable networking abstractions; and additional utilities for writing asynchronous operations without blocking the user interface of your application.</p> <p><a href="https://docs.gtk.org/gio/" class="external">GIO API reference</a></p> <p><a href="https://docs.gtk.org/gio-unix/" class="external">GIO Unix-specific API reference</a></p> <p><a href="https://docs.gtk.org/gio-win32/" class="external">GIO Windows-specific API reference</a></p> </div> <div class="docblock"> <h5 id="girepository">GIRepository</h5> <p>GIRepository provides access to introspected API bindings built using gobject-introspection.</p> <p><a href="https://docs.gtk.org/girepository/" class="external">GIRepository API reference</a></p> </div> </div> <div class="toggle-wrapper"> <h4 id="older-versions" style="display:flex;"> Older versions <a href="#older-versions" class="anchor"></a> </h4> <div class="docblock"> <h5 id="gtk3">GTK 3</h5> <p>The GTK 3 toolkit.</p> <p><a href="https://docs.gtk.org/gtk3/" class="external">GTK 3 API reference</a></p> </div> <div class="docblock"> <h5 id="gobject">GDK 3</h5> <p>The GTK 3 windowing system abstraction.</p> <p><a href="https://docs.gtk.org/gdk3/" class="external">GDK 3 API reference</a></p> </div> <div class="docblock"> <h5 id="gobject">ATK</h5> <p>The accessibility toolkit, used by GTK 3.</p> <p><a href="https://docs.gtk.org/atk/" class="external">ATK API reference</a></p> </div> </div> </section> <footer> </footer> </div> </body> </html>

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