i3-compatible Wayland compositor
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Rouven Czerwinski 8b4b65d665 gamma_control_v1: handle destroyed output
In case a display is unplugged, the sway output may be removed from the
userdata before the gamma_control can be reset. In this case we can't
schedule a commit on the output, simply return within the function.

backtrace full:

  #0  handle_gamma_control_set_gamma (listener=0x4856a8 <server+616>, data=0x7ffce1ed59c0) at ../sway/desktop/output.c:1105
          server = 0x485440 <server>
          event = 0x7ffce1ed59c0
          output = 0x0
  #1  0x00007f430d1dca0c in wl_signal_emit_mutable ()
     from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
  No symbol table info available.
  #2  0x00007f430d142370 in gamma_control_destroy (gamma_control=0x29eb9b0) at ../types/wlr_gamma_control_v1.c:37
          manager = 0x27e33e0
          output = 0x2a10770
          event = {output = 0x2a10770, control = 0x0}
  #3  0x00007f430d14239b in gamma_control_handle_output_destroy (listener=<optimized out>, data=<optimized out>)
      at ../types/wlr_gamma_control_v1.c:59
          gamma_control = <optimized out>
  #4  0x00007f430d1dca0c in wl_signal_emit_mutable ()
     from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
  No symbol table info available.
  #5  0x00007f430d12a0e0 in wlr_output_destroy (output=output@entry=0x2a10770) at ../types/output/output.c:384
          cursor = <optimized out>
          tmp_cursor = <optimized out>
          layer = <optimized out>
          tmp_layer = <optimized out>
  #6  0x00007f430d114ecf in disconnect_drm_connector (conn=conn@entry=0x2a10770) at ../backend/drm/drm.c:1757
          __PRETTY_FUNCTION__ = "disconnect_drm_connector"
  #7  0x00007f430d117078 in scan_drm_connectors (drm=drm@entry=0x1eebab0, event=event@entry=0x7ffce1ed5c1c) at ../backend/drm/drm.c:1597
          c = <optimized out>
          wlr_conn = 0x2a10770
          drm_conn = 0x2e760d0
          conn_id = <optimized out>
          index = 4
          i = 4
          res = 0x2e761f0
          seen_len = 5
          seen = {true, true, true, true, true, false}
          new_outputs_len = 0
          new_outputs = 0x7ffce1ed5ab0
          conn = <optimized out>
          tmp_conn = <optimized out>
          index = <optimized out>
  #8  0x00007f430d113425 in handle_dev_change (listener=0x1eebbb0, data=0x7ffce1ed5c18) at ../backend/drm/backend.c:157
          drm = 0x1eebab0
          change = 0x7ffce1ed5c18
  #9  0x00007f430d1dca0c in wl_signal_emit_mutable ()
     from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
  No symbol table info available.
  #10 0x00007f430d111696 in handle_udev_event (fd=<optimized out>, mask=<optimized out>, data=<optimized out>)
      at ../backend/session/session.c:213
          event = {type = WLR_DEVICE_HOTPLUG, {hotplug = {connector_id = 0, prop_id = 0}}}
          devnum = <optimized out>
          dev = 0x1ed9460
          session = <optimized out>
          udev_dev = 0x2e70db0
          sysname = 0x2e73c60 "card0"
          devnode = <optimized out>
          action = 0x7f430d6677b5 "change"
          seat = <optimized out>
          __PRETTY_FUNCTION__ = "handle_udev_event"
  #11 0x00007f430d1de8e2 in wl_event_loop_dispatch ()
     from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
  No symbol table info available.
  #12 0x00007f430d1dc445 in wl_display_run () from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
  No symbol table info available.
  #13 0x000000000041daa5 in server_run (server=server@entry=0x485440 <server>) at ../sway/server.c:338
  No locals.
  #14 0x000000000041cf4d in main (argc=<optimized out>, argv=0x7ffce1ed5fe8) at ../sway/main.c:415
          verbose = false
          debug = false
          validate = false
          allow_unsupported_gpu = false
          config_path = 0x0
        c = <optimized out>

where event->output->data is NULL:

  (gdb) p event->output->data
  $5 = (void *) 0x0
2023-06-14 10:13:12 +02:00
.builds ci: add libdisplay-info dependency 2023-02-28 23:19:33 +01:00
.github/ISSUE_TEMPLATE github: don't truncate debug logs 2021-10-17 21:28:51 +02:00
assets License wallpapers as CC-0 2019-12-16 14:35:58 -05:00
client Use shm_open instead of mkstemp 2022-11-25 00:05:12 +01:00
common Use format_str() throughout 2023-04-14 18:34:54 +02:00
completions build: move completions to separate file 2022-11-28 18:51:45 -05:00
contrib grimshot: fix tilde expansion within quotes 2022-07-30 09:25:24 +02:00
include Handle gamma-control-v1 set_gamma events 2023-06-08 22:11:50 +02:00
protocols build: drop intermediate libraries for protocols 2022-11-25 10:51:20 +01:00
sway gamma_control_v1: handle destroyed output 2023-06-14 10:13:12 +02:00
swaybar swaybar: always subscribe to mode and workspace 2023-05-09 12:42:56 +02:00
swaymsg fix typo 2023-02-25 10:50:43 +01:00
swaynag swaynag: call swaynag_destroy on clean exit 2023-01-16 10:47:42 -05:00
.editorconfig Create .editorconfig 2016-07-04 14:12:32 +02:00
.gitignore Allocate minimum size necessary in pango text functions. (#3473) 2019-01-20 15:03:30 +01:00
.mailmap Add a .mailmap file 2023-03-26 23:22:30 +02:00
config.in Switch default menu to wmenu 2023-01-30 15:08:16 -05:00
CONTRIBUTING.md Fix IRC links in READMEs and templates 2021-05-26 08:25:13 +02:00
LICENSE MIT license 2017-01-06 13:45:48 -05:00
meson_options.txt Add meson options to enable/disable swaybar and swaynag 2021-07-21 18:24:09 +02:00
meson.build pango: add printf attribute 2023-04-14 18:34:54 +02:00
README.cs.md Fix typo in Czech README translation 2022-11-30 14:43:43 +01:00
README.de.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.dk.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.es.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.fr.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.gr.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.hi.md Add a Hindi (हिन्दी) translation to the README 2022-05-27 21:09:18 +02:00
README.hu.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.ir.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.it.md Translated README into Italian 2022-02-07 10:55:55 +01:00
README.ja.md Improve Japanese translation 2022-10-08 10:12:00 +02:00
README.ko.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.md Add Norwegian READMR 2023-02-02 17:45:01 +01:00
README.nl.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.no.md Add Norwegian READMR 2023-02-02 17:45:01 +01:00
README.pl.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.pt.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.ro.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.ru.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.sv.md Add Swedish README 2022-04-18 18:51:45 +02:00
README.tr.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.uk.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
README.zh-CN.md Polish the language in README.zh-CN.md & sync with English one 2022-05-24 07:40:47 +02:00
README.zh-TW.md Replace pcre with pcre2 2022-03-12 14:02:32 +01:00
sway.desktop Update language in sway.desktop & sway(1) 2019-03-10 15:09:52 -04:00

sway

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sway is an i3-compatible Wayland compositor. Read the FAQ. Join the IRC channel (#sway on irc.libera.chat).

Release Signatures

Releases are signed with E88F5E48 and published on GitHub.

Installation

From Packages

Sway is available in many distributions. Try installing the "sway" package for yours.

Compiling from Source

Check out this wiki page if you want to build the HEAD of sway and wlroots for testing or development.

Install dependencies:

  • meson *
  • wlroots
  • wayland
  • wayland-protocols *
  • pcre2
  • json-c
  • pango
  • cairo
  • gdk-pixbuf2 (optional: system tray)
  • scdoc (optional: man pages) *
  • git (optional: version info) *

* Compile-time dep

Run these commands:

meson build/
ninja -C build/
sudo ninja -C build/ install

On systems without logind nor seatd, you need to suid the sway binary:

sudo chmod a+s /usr/local/bin/sway

Sway will drop root permissions shortly after startup.

Configuration

If you already use i3, then copy your i3 config to ~/.config/sway/config and it'll work out of the box. Otherwise, copy the sample configuration file to ~/.config/sway/config. It is usually located at /etc/sway/config. Run man 5 sway for information on the configuration.

Running

Run sway from a TTY. Some display managers may work but are not supported by sway (gdm is known to work fairly well).