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A modular Wayland compositor library
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Sarunas Valaskevicius 7c080c3b60 Fix disappearing menus in QT apps 
A motivating example of such problem - Zoom's popups that open on button presses.

Before this fix the popup would flicker and immediately disappear - because the PID is not yet
available for the verification (as the surface has not been associated yet), wlroots would refuse to
focus the popup and instead focus the previous window. This leads QT to interpret this as a sign to
close the popup.

This change moves the PID aqcuisition to an earlier phase - just where the window is created.
2024-01-25 11:45:05 +03:00
.builds ci: drop stale dependencies 2023-12-10 14:29:23 +01:00
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backend backend/wayland: populate pointer axis relative direction 2024-01-23 08:37:29 +00:00
docs docs: add architecture document 2023-10-10 09:50:57 +00:00
examples Cleanup wlr_matrix.h includes 2023-11-25 08:37:43 +01:00
include output: Drop pending state 2024-01-24 18:46:45 +00:00
protocol input-inhibitor: drop 2023-11-21 20:10:18 +03:00
render render/drm_format_set: fix possible leak on realloc error 2024-01-17 15:44:37 +00:00
tinywl seat/pointer: add support for axis_relative_direction event 2024-01-23 08:37:29 +00:00
types output: Drop pending state 2024-01-24 18:46:45 +00:00
util util/transform: add wlr_output_transform_coords() 2023-11-23 11:07:34 +01:00
xcursor xcursor: fix duplicate cursor check check in load_callback() 2023-12-12 19:45:17 +00:00
xwayland Fix disappearing menus in QT apps 2024-01-25 11:45:05 +03:00
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meson_options.txt backend/session: make optional 2022-11-25 16:15:29 +00:00
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README.md backend/drm: use libdisplay-info to parse EDID 2023-02-28 14:44:02 +00:00
wlroots.syms build: simplify version script 2021-06-17 11:03:21 +02:00

README.md

wlroots

Pluggable, composable, unopinionated modules for building a Wayland compositor; or about 60,000 lines of code you were going to write anyway.

  • wlroots provides backends that abstract the underlying display and input hardware, including KMS/DRM, libinput, Wayland, X11, and headless backends, plus any custom backends you choose to write, which can all be created or destroyed at runtime and used in concert with each other.
  • wlroots provides unopinionated, mostly standalone implementations of many Wayland interfaces, both from wayland.xml and various protocol extensions. We also promote the standardization of portable extensions across many compositors.
  • wlroots provides several powerful, standalone, and optional tools that implement components common to many compositors, such as the arrangement of outputs in physical space.
  • wlroots provides an Xwayland abstraction that allows you to have excellent Xwayland support without worrying about writing your own X11 window manager on top of writing your compositor.
  • wlroots provides a renderer abstraction that simple compositors can use to avoid writing GL code directly, but which steps out of the way when your needs demand custom rendering code.

wlroots implements a huge variety of Wayland compositor features and implements them right, so you can focus on the features that make your compositor unique. By using wlroots, you get high performance, excellent hardware compatibility, broad support for many wayland interfaces, and comfortable development tools - or any subset of these features you like, because all of them work independently of one another and freely compose with anything you want to implement yourself.

Check out our wiki to get started with wlroots. Join our IRC channel: #wlroots on Libera Chat.

A variety of wrapper libraries are available for using it with your favorite programming language.

Building

Install dependencies:

  • meson
  • wayland
  • wayland-protocols
  • EGL and GLESv2 (optional, for the GLES2 renderer)
  • Vulkan loader, headers and glslang (optional, for the Vulkan renderer)
  • libdrm
  • GBM (optional, for the GBM allocator)
  • libinput (optional, for the libinput backend)
  • xkbcommon
  • udev (optional, for the session)
  • pixman
  • libseat (optional, for the session)
  • hwdata (optional, for the DRM backend)
  • libdisplay-info (optional, for the DRM backend)
  • libliftoff (optional, for the DRM backend)

If you choose to enable X11 support:

  • xwayland (build-time only, optional at runtime)
  • libxcb
  • libxcb-render-util
  • libxcb-wm
  • libxcb-errors (optional, for improved error reporting)

Run these commands:

meson setup build/
ninja -C build/

Install like so:

sudo ninja -C build/ install

Contributing

See CONTRIBUTING.md.