The GTK Project - A free and open-source cross-platform widget toolkit

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Catch up with all the things happening with GTK through the GTK Development Blog.

Introducing graphics offload

Some of us in the GTK team have spent the last month or so exploring the world of linux kernel graphics apis, in particular, dmabufs. We are coming back from this adventure with some frustrations a... Read More

Paths in GTK, part 2

In the first part of this series, we introduced the concept of paths and looked at how to create a GskPath. But there’s more to paths than that. Path Points Many interesting properties of paths can... Read More

Paths in GTK

It is no secret that we want to get rid of cairo as the drawing API in GTK, so we can move more of our drawing onto the GPU. While People have found creative ways to draw things with render nodes, ... Read More

Issues Tracker

1641 Opened 4574 Closed

Contribute to GTK by solving the issues related to GTK. Get started with first issues.

ScaledTexture: Trilinear scaling with 16bit texture gives black output with GL

1. Bug

by Robert Mader

GTK 4 GdkWaylandSeat using linux-specific BTN_* defs which not available on Darwin

by Torrekie Gen

App crash when highlighting something on a web page

1. Crash GTK4 GdkWindow/GdkSurface Wayland

by Kdwk

gtk4/main build fails: meson.build:857:13: ERROR: requires argument not a string, library with pkgconfig-generated file or pkgconfig-dependency object, got

Build

by Maxim Zakharov

Crash due to problem in GtkShortcutManager default implementation for GTK_PHASE_NONE

GtkEventController

by velsinki

Under default-dark theme, an active frameless GtkToggleButton inside a GtkNotebookPage looks the same as an unactive one

by Jean-Alexandre

Shrinking cursor leaves artifacts on KDE plasma because of wrong buffer surface.

by Emilio Cobos Álvarez

GTK crash when changing style from `size-allocate` signal

1. Crash

by SyntevoAlex

ScrolledWindow's overshoot and undershoot are not RTL-friendly

GTK4 GtkScrolledWindow

by Peter Eisenmann

Loading textures noticably blocks rendering

by Sophie Herold

Double-clicking inside a text widget "leaks" to the other widgets

by gregorni

Inconsistent ordering of leave and button release signals

GtkEventController

by PBS

Opening a popup throws several "Failed to realize renderer of type 'GskGLRenderer' for surface 'GdkWaylandPopup" messages

2. Needs Information

by Automeris naranja

GtkScale: when focusing on the handle with the keyboard, the highlight is barely visible (in dark style)

Theme