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Olivier Fourdan 53399164db xwayland: Use viewport scale for warping coordinates 
When Xwayland is used rootful with hidpi, a viewport is in effect and a
scale applied.

This is however "transparent" to the Xserver which uses unscaled
coordinates, so to set the fake cursor position with a viewport and a
scale applied, we need to factor the scale to the coordinates before
passing the coordinate to the Wayland compositor through the method
zwp_locked_pointer_v1_set_cursor_position_hint().

Failing to do that will introduce a shift when warping the cursor
position.

v2: Use an xwl_window instead of an xwl_seat to improve readability
(Michel)

Closes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1875
Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
(cherry picked from commit 0e580872b0)

Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2151>
2026-04-09 08:59:09 +00:00
.gitlab-ci CI: update libdecor from 0.1.0 to 0.1.1 2024-09-24 11:33:02 +02:00
composite composite: initialize border clip even when pixmap alloc fails 2025-02-25 19:38:11 +01:00
damageext Remove autotools support 2021-10-27 13:15:40 +03:00
dbe Drop Xorg DDX 2024-04-12 10:40:05 +02:00
dix dix: avoid null ptr deref at doListFontsAndAliases 2026-04-09 08:59:09 +00:00
doc dix: dixutils: make workQueue pointer dix-private 2024-02-23 23:06:38 +00:00
dri3 Drop Xorg DDX 2024-04-12 10:40:05 +02:00
fb Drop Xorg DDX 2024-04-12 10:40:05 +02:00
glamor glamor: avoid double free in glamor_make_pixmap_exportable() 2026-04-09 08:59:08 +00:00
glx Drop Xorg DDX 2024-04-12 10:40:05 +02:00
hw xwayland: Use viewport scale for warping coordinates 2026-04-09 08:59:09 +00:00
include xkb: Make the RT_XKBCLIENT resource private 2025-10-28 14:27:03 +01:00
man Drop Xorg DDX 2024-04-12 10:40:05 +02:00
mi mi: guard miPointer functions against NULL dereferences 2025-04-08 10:03:30 +02:00
miext meson: fix build if shmfence is enabled but dri3 & xwayland are not 2025-10-21 08:56:39 +02:00
os os: include <assert.h> in ospoll.c 2026-04-09 08:59:09 +00:00
present present: Fix use-after-free in present_create_notifies() 2025-10-28 14:27:03 +01:00
randr randr: clear primary screen's primaryOutput when the output is deleted 2026-04-09 08:59:09 +00:00
record record: Check for overflow in RecordSanityCheckRegisterClients() 2025-06-17 15:08:10 +02:00
render render: fix multiple mem leaks on err paths 2026-04-09 08:59:09 +00:00
test test: Fix xsync test 2025-02-25 19:38:08 +01:00
Xext panoramix: avoid null dereference in PanoramiXConsolidate() 2026-04-09 08:59:08 +00:00
xfixes xfixes: Check request length for SetClientDisconnectMode 2025-06-17 15:07:52 +02:00
Xi Xi: handle allocation failure in add_master_func() 2025-10-21 08:56:39 +02:00
xkb xkb: Fix serialization of key type without level names 2026-04-09 08:59:09 +00:00
.appveyor.yml Drop Xephyr / kdrive DDX 2024-04-12 10:40:05 +02:00
.dir-locals.el .dir-locals.el: Add missing final newline 2019-10-01 17:05:28 +00:00
.gitignore Clean up the .gitignore file 2024-01-12 00:50:24 +00:00
.gitlab-ci.yml CI: update libdecor from 0.1.0 to 0.1.1 2024-09-24 11:33:02 +02:00
.mailmap Add a .mailmap file to canonicalize author names and emails 2023-03-15 18:10:51 +00:00
COPYING COPYING: add author to HPND-sell-MIT-disclaimer-xserver 2026-04-09 08:59:09 +00:00
meson.build os: fix sha1 build error with Nettle 4.0 2026-04-09 08:59:09 +00:00
meson_options.txt meson: Build Xwayland unconditionally 2024-04-12 10:40:05 +02:00
README.md Fix spelling/wording issues 2020-07-05 13:07:33 -07:00
SECURITY.md xwayland: Expunge the SECURITY.md file 2026-04-09 08:59:08 +00:00
xserver.ent.in doc: relocate xserver.ent in the package root directory 2011-05-14 11:22:26 -07:00

README.md

X Server

The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into.

Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders.

For a comprehensive overview of X Server and X Window System, consult the following article: https://en.wikipedia.org/wiki/X_server

All questions regarding this software should be directed at the Xorg mailing list:

https://lists.freedesktop.org/mailman/listinfo/xorg

The primary development code repository can be found at:

https://gitlab.freedesktop.org/xorg/xserver

For patch submission instructions, see:

https://www.x.org/wiki/Development/Documentation/SubmittingPatches

As with other projects hosted on freedesktop.org, X.Org follows its Code of Conduct, based on the Contributor Covenant. Please conduct yourself in a respectful and civilized manner when using the above mailing lists, bug trackers, etc:

https://www.freedesktop.org/wiki/CodeOfConduct