xserver: Branch 'master'
GitLab Mirror
gitlab-mirror at kemper.freedesktop.org
Mon Sep 6 21:27:16 UTC 2021
dix/touch.c | 4 +++-
hw/xwayland/man/Xwayland.man | 5 +++++
hw/xwayland/xwayland.c | 4 ++++
hw/xwayland/xwayland.pc.in | 1 +
include/dix.h | 1 +
5 files changed, 14 insertions(+), 1 deletion(-)
New commits:
commit 7d34b1f2b7c612c3171e0b9758b5fc094bc33f63
Author: Simon Ser <contact at emersion.fr>
Date: Fri Jun 18 11:04:45 2021 +0200
xwayland: add -noTouchPointerEmulation
In some scenarios, the Wayland compositor might have more knowledge
than the X11 server and may be able to perform pointer emulation for
touch events better. Add a command-line switch to allow compositors
to turn Xwayland pointer emulation off.
Signed-off-by: Simon Ser <contact at emersion.fr>
diff --git a/dix/touch.c b/dix/touch.c
index 1705d85aa..d0d286f80 100644
--- a/dix/touch.c
+++ b/dix/touch.c
@@ -42,6 +42,8 @@
#define TOUCH_HISTORY_SIZE 100
+Bool touchEmulatePointer = TRUE;
+
/**
* Some documentation about touch points:
* The driver submits touch events with its own (unique) touch point ID.
@@ -142,7 +144,7 @@ TouchBeginDDXTouch(DeviceIntPtr dev, uint32_t ddx_id)
if (!t)
return NULL;
- emulate_pointer = (t->mode == XIDirectTouch);
+ emulate_pointer = touchEmulatePointer && (t->mode == XIDirectTouch);
/* Look for another active touchpoint with the same DDX ID. DDX
* touchpoints must be unique. */
diff --git a/hw/xwayland/man/Xwayland.man b/hw/xwayland/man/Xwayland.man
index a3e04c74b..15eb7f5f4 100644
--- a/hw/xwayland/man/Xwayland.man
+++ b/hw/xwayland/man/Xwayland.man
@@ -66,6 +66,11 @@ deprecated, use \fI\-listenfd\fP instead.
Add given fd as a listen socket. This option is used by the \fIWayland\fP
server to pass \fIXwayland\fP the socket where X clients connect.
.TP 8
+.B \-noTouchPointerEmulation
+Disable touch pointer emulation. This allows the Wayland compositor to
+implement its own pointer emulation mechanism for X11 clients that don't
+support touch input.
+.TP 8
.B \-rootless
Run \fIXwayland\fP rootless, so that X clients integrate seamlessly with
Wayland clients in a Wayland desktop. That requires the Wayland server
diff --git a/hw/xwayland/xwayland.c b/hw/xwayland/xwayland.c
index 27fbdf28e..801af38aa 100644
--- a/hw/xwayland/xwayland.c
+++ b/hw/xwayland/xwayland.c
@@ -95,6 +95,7 @@ ddxUseMsg(void)
ErrorF("-shm use shared memory for passing buffers\n");
ErrorF("-verbose [n] verbose startup messages\n");
ErrorF("-version show the server version and exit\n");
+ ErrorF("-noTouchPointerEmulation disable touch pointer emulation\n");
}
static int init_fd = -1;
@@ -185,6 +186,9 @@ ddxProcessArgument(int argc, char *argv[], int i)
xwl_show_version();
exit(0);
}
+ else if (strcmp(argv[i], "-noTouchPointerEmulation") == 0) {
+ touchEmulatePointer = FALSE;
+ }
return 0;
}
diff --git a/hw/xwayland/xwayland.pc.in b/hw/xwayland/xwayland.pc.in
index 8816bb6e9..9d727b002 100644
--- a/hw/xwayland/xwayland.pc.in
+++ b/hw/xwayland/xwayland.pc.in
@@ -11,3 +11,4 @@ have_initfd=true
have_listenfd=true
have_verbose=true
have_terminate_delay=true
+have_no_touch_pointer_emulation=true
diff --git a/include/dix.h b/include/dix.h
index 595b18bdd..22daa510f 100644
--- a/include/dix.h
+++ b/include/dix.h
@@ -147,6 +147,7 @@ extern _X_EXPORT ClientPtr serverClient;
extern _X_EXPORT int currentMaxClients;
extern _X_EXPORT char dispatchExceptionAtReset;
extern _X_EXPORT int terminateDelay;
+extern _X_EXPORT Bool touchEmulatePointer;
typedef int HWEventQueueType;
typedef HWEventQueueType *HWEventQueuePtr;
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