xf86-input-evdev 2.11.0

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

.gitlab-ci.yml

@@ -0,0 +1,106 @@
+# vim: set expandtab shiftwidth=2 tabstop=8 textwidth=0 filetype=yaml:
+#
+# This CI uses the freedesktop.org ci-templates.
+# Please see the ci-templates documentation for details:
+# https://freedesktop.pages.freedesktop.org/ci-templates/
+
+.templates_sha: &template_sha 25e8e9f020880aa35fffe3d6b259b933f0f9449f # see https://docs.gitlab.com/ee/ci/yaml/#includefile
+
+
+include:
+  # Arch container builder template
+  - project: 'freedesktop/ci-templates'
+    ref: *template_sha
+    file: '/templates/arch.yml'
+  - project: 'freedesktop/ci-templates'
+    ref: *template_sha
+    file: '/templates/ci-fairy.yml'
+  - template: Security/SAST.gitlab-ci.yml
+
+
+workflow:
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+    - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS
+      when: never
+    - if: $CI_COMMIT_BRANCH
+
+
+stages:
+  - prep             # prep work like rebuilding the container images if there is a change
+  - build            # for actually building and testing things in a container
+  - test
+  - deploy
+
+
+variables:
+  FDO_UPSTREAM_REPO: 'xorg/driver/xf86-input-evdev'
+  # The tag should be updated each time the list of packages is updated.
+  # Changing a tag forces the associated image to be rebuilt.
+  # Note: the tag has no meaning, we use a date format purely for readability
+  FDO_DISTRIBUTION_TAG:  '2023-10-01.0'
+  FDO_DISTRIBUTION_PACKAGES:  'git gcc pkgconf autoconf automake libtool make xorg-util-macros xorgproto xorg-server-devel pixman systemd-libs libevdev mtdev'
+
+
+#
+# Verify that commit messages are as expected
+#
+check-commits:
+  extends:
+    - .fdo.ci-fairy
+  stage: prep
+  script:
+    - ci-fairy check-commits --junit-xml=results.xml
+  except:
+    - master@xorg/driver/xf86-input-evdev
+  variables:
+    GIT_DEPTH: 100
+  artifacts:
+    reports:
+      junit: results.xml
+
+#
+# Verify that the merge request has the allow-collaboration checkbox ticked
+#
+check-merge-request:
+  extends:
+    - .fdo.ci-fairy
+  stage: deploy
+  script:
+    - ci-fairy check-merge-request --require-allow-collaboration --junit-xml=results.xml
+  artifacts:
+    when: on_failure
+    reports:
+      junit: results.xml
+  allow_failure: true
+
+
+#
+# Build a container with the given tag and the packages pre-installed.
+# This only happens if the tag changes, otherwise the existing image is
+# re-used.
+#
+container-prep:
+  extends:
+    - .fdo.container-build@arch
+  stage: prep
+  variables:
+    GIT_STRATEGY: none
+
+
+#
+# The default build, runs on the image built above.
+#
+build:
+  stage: build
+  extends:
+    - .fdo.distribution-image@arch
+  script:
+    - autoreconf -ivf
+    - mkdir _builddir
+    - pushd _builddir > /dev/null
+    - ../configure --disable-silent-rules
+    - make
+    - make check
+    - make distcheck
+    - popd > /dev/null

Makefile.am

@@ -39,3 +39,5 @@ ChangeLog:
 	$(CHANGELOG_CMD)
 
 dist-hook: ChangeLog INSTALL
+
+EXTRA_DIST = README.md

README

@@ -1,20 +0,0 @@
-xf86-input-evdev - Generic Linux input driver for the Xorg X server
-
-Please submit bugs & patches to the Xorg bugzilla:
-
-        https://bugs.freedesktop.org/enter_bug.cgi?product=xorg
-
-All questions regarding this software should be directed at the
-Xorg mailing list:
-
-        http://lists.freedesktop.org/mailman/listinfo/xorg
-
-The master development code repository can be found at:
-
-        git://anongit.freedesktop.org/git/xorg/driver/xf86-input-evdev
-
-        http://cgit.freedesktop.org/xorg/driver/xf86-input-evdev
-
-For more information on the git code manager, see:
-
-        http://wiki.x.org/wiki/GitPage

README.md

@@ -0,0 +1,18 @@
+xf86-input-evdev - Generic Linux input driver for the Xorg X server
+-------------------------------------------------------------------
+
+All questions regarding this software should be directed at the
+Xorg mailing list:
+
+  https://lists.x.org/mailman/listinfo/xorg
+
+The primary development code repository can be found at:
+
+  https://gitlab.freedesktop.org/xorg/driver/xf86-input-evdev
+
+Please submit bug reports and requests to merge patches there.
+
+For patch submission instructions, see:
+
+  https://www.x.org/wiki/Development/Documentation/SubmittingPatches
+

autogen.sh

@@ -1,14 +1,17 @@
 #! /bin/sh
 
-srcdir=`dirname $0`
+srcdir=`dirname "$0"`
 test -z "$srcdir" && srcdir=.
 
 ORIGDIR=`pwd`
-cd $srcdir
+cd "$srcdir"
 
 autoreconf -v --install || exit 1
-cd $ORIGDIR || exit $?
+cd "$ORIGDIR" || exit $?
+
+git config --local --get format.subjectPrefix >/dev/null 2>&1 ||
+    git config --local format.subjectPrefix "PATCH xf86-input-evdev"
 
 if test -z "$NOCONFIGURE"; then
-    $srcdir/configure "$@"
+    exec "$srcdir"/configure "$@"
 fi

configure.ac

@@ -23,15 +23,15 @@
 # Initialize Autoconf
 AC_PREREQ([2.60])
 AC_INIT([xf86-input-evdev],
-        [2.10.4],
-        [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg],
+        [2.11.0],
+        [https://gitlab.freedesktop.org/xorg/driver/xf86-input-evdev/issues],
         [xf86-input-evdev])
 AC_CONFIG_SRCDIR([Makefile.am])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_AUX_DIR(.)
 
 # Initialize Automake
-AM_INIT_AUTOMAKE([foreign dist-bzip2])
+AM_INIT_AUTOMAKE([foreign dist-xz])
 
 # Initialize libtool
 AC_DISABLE_STATIC
@@ -44,8 +44,8 @@ XORG_MACROS_VERSION(1.8)
 XORG_DEFAULT_OPTIONS
 
 # Obtain compiler/linker options from server and required extensions
-PKG_CHECK_MODULES(XORG, [xorg-server >= 1.12] xproto [inputproto >= 2.1.99.3])
-PKG_CHECK_MODULES(UDEV, libudev)
+PKG_CHECK_MODULES(XORG, [xorg-server >= 1.18] xproto [inputproto >= 2.1.99.3])
+PKG_CHECK_MODULES(UDEV, libudev, [AC_DEFINE(HAVE_LIBUDEV, 1,[libudev support])])
 
 PKG_CHECK_MODULES(LIBEVDEV, [libevdev >= 0.4])
 PKG_CHECK_MODULES(MTDEV, mtdev)

include/evdev-properties.h

@@ -33,6 +33,8 @@
 #define EVDEV_PROP_MIDBUTTON "Evdev Middle Button Emulation"
 /* CARD32 */
 #define EVDEV_PROP_MIDBUTTON_TIMEOUT "Evdev Middle Button Timeout"
+/* CARD8 */
+#define EVDEV_PROP_MIDBUTTON_BUTTON "Evdev Middle Button Button"
 
 /* Wheel emulation */
 /* BOOL */

man/evdev.man

@@ -94,6 +94,11 @@ Sets the timeout (in milliseconds) that the driver waits before deciding
 if two buttons where pressed "simultaneously" when 3 button emulation is
 enabled.  Default: 50. Property: "Evdev Middle Button Timeout".
 .TP 7
+.BI "Option \*qEmulate3Button\*q \*q" integer \*q
+Specifies the physical button number to be emitted if middle button emulation
+is triggered.
+Default: 2.  Property: "Evdev Middle Button Button".
+.TP 7
 .BI "Option \*qEmulateWheel\*q \*q" boolean \*q
 Enable/disable "wheel" emulation.  Wheel emulation means emulating button
 press/release events when the mouse is moved while a specific real button
@@ -189,7 +194,7 @@ Invert the given axis. Default: off. Property: "Evdev Axis Inversion".
 .BI "Option \*qIgnoreAbsoluteAxes\*q \*q" Bool \*q
 Ignore the specified type of axis. Default: unset. The X server cannot deal
 with devices that have both relative and absolute axes. Evdev tries to guess
-wich axes to ignore given the device type and disables absolute axes for
+which axes to ignore given the device type and disables absolute axes for
 mice and relative axes for tablets, touchscreens and touchpad. These options
 allow to forcibly disable an axis type. Mouse wheel axes are exempt and will
 work even if relative axes are ignored. No property, this configuration must
@@ -283,6 +288,9 @@ value.
 .BI "Evdev Middle Button Timeout"
 1 16-bit positive value.
 .TP 7
+.BI "Evdev Middle Button Button"
+1 8-bit value, allowed range 0-32, 0 disables the button.
+.TP 7
 .BI "Evdev Wheel Emulation"
 1 boolean value (8 bit, 0 or 1).
 .TP 7

src/draglock.c

@@ -5,7 +5,7 @@
  * Copyright 1994-2002 by The XFree86 Project, Inc.
  * Copyright 2002 by Paul Elliott
  * (Ported from xf86-input-mouse, above copyrights taken from there)
- * Copyright © 2008 University of South Australia
+ * Copyright © 2008 University of South Australia
  * Copyright 2008 by Chris Salch
  * Copyright 2008 Red Hat, Inc.
  *

src/emuMB.c

@@ -45,6 +45,7 @@
 
 static Atom prop_mbemu     = 0; /* Middle button emulation on/off property */
 static Atom prop_mbtimeout = 0; /* Middle button timeout property */
+static Atom prop_mbbuton   = 0; /* Middle button target button property */
 /*
  * Lets create a simple finite-state machine for 3 button emulation:
  *
@@ -185,6 +186,7 @@ EvdevMBEmuTimer(InputInfoPtr pInfo)
 {
     EvdevPtr pEvdev = pInfo->private;
     int id;
+    int mapped_id;
 
 #if HAVE_THREADED_INPUT
     input_lock();
@@ -194,7 +196,10 @@ EvdevMBEmuTimer(InputInfoPtr pInfo)
 
     pEvdev->emulateMB.pending = FALSE;
     if ((id = stateTab[pEvdev->emulateMB.state][4][0]) != 0) {
-        EvdevPostButtonEvent(pInfo, abs(id),
+        mapped_id = abs(id);
+        if (mapped_id == 2)
+            mapped_id = pEvdev->emulateMB.button;
+        EvdevPostButtonEvent(pInfo, mapped_id,
                              (id >= 0) ? BUTTON_PRESS : BUTTON_RELEASE);
         pEvdev->emulateMB.state =
             stateTab[pEvdev->emulateMB.state][4][2];
@@ -226,6 +231,7 @@ EvdevMBEmuFilterEvent(InputInfoPtr pInfo, int button, BOOL press)
 {
     EvdevPtr pEvdev = pInfo->private;
     int id;
+    int mapped_id;
     int *btstate;
     int ret = FALSE;
 
@@ -244,7 +250,10 @@ EvdevMBEmuFilterEvent(InputInfoPtr pInfo, int button, BOOL press)
 
     if ((id = stateTab[pEvdev->emulateMB.state][*btstate][0]) != 0)
     {
-        EvdevQueueButtonEvent(pInfo, abs(id), (id >= 0));
+        mapped_id = abs(id);
+        if (mapped_id == 2)
+            mapped_id = pEvdev->emulateMB.button;
+        EvdevQueueButtonEvent(pInfo, mapped_id, (id >= 0));
         ret = TRUE;
     }
     if ((id = stateTab[pEvdev->emulateMB.state][*btstate][1]) != 0)
@@ -301,12 +310,23 @@ void
 EvdevMBEmuPreInit(InputInfoPtr pInfo)
 {
     EvdevPtr pEvdev = (EvdevPtr)pInfo->private;
+    int bt;
 
     pEvdev->emulateMB.enabled = xf86SetBoolOption(pInfo->options,
                                                   "Emulate3Buttons",
                                                   FALSE);
     pEvdev->emulateMB.timeout = xf86SetIntOption(pInfo->options,
                                                  "Emulate3Timeout", 50);
+    bt = xf86SetIntOption(pInfo->options, "Emulate3Button", 2);
+    if (bt < 0 || bt > EVDEV_MAXBUTTONS) {
+        xf86IDrvMsg(pInfo, X_WARNING, "Invalid Emulate3Button value: %d\n",
+                    bt);
+        xf86IDrvMsg(pInfo, X_WARNING, "Middle button emulation disabled.\n");
+
+        pEvdev->emulateMB.enabled = FALSE;
+    }
+
+    pEvdev->emulateMB.button = bt;
 }
 
 void
@@ -338,6 +358,7 @@ EvdevMBEmuSetProperty(DeviceIntPtr dev, Atom atom, XIPropertyValuePtr val,
 {
     InputInfoPtr pInfo  = dev->public.devicePrivate;
     EvdevPtr     pEvdev = pInfo->private;
+    int bt;
 
     if (atom == prop_mbemu)
     {
@@ -353,6 +374,18 @@ EvdevMBEmuSetProperty(DeviceIntPtr dev, Atom atom, XIPropertyValuePtr val,
 
         if (!checkonly)
             pEvdev->emulateMB.timeout = *((CARD32*)val->data);
+    } else if (atom == prop_mbbuton)
+    {
+        if (val->format != 8 || val->size != 1 || val->type != XA_INTEGER)
+            return BadMatch;
+
+        bt = *((CARD8*)val->data);
+
+        if (bt < 0 || bt > EVDEV_MAXBUTTONS)
+            return BadValue;
+
+        if (!checkonly)
+            pEvdev->emulateMB.button = bt;
     }
 
     return Success;
@@ -390,5 +423,15 @@ EvdevMBEmuInitProperty(DeviceIntPtr dev)
         return;
     XISetDevicePropertyDeletable(dev, prop_mbtimeout, FALSE);
 
+    prop_mbbuton = MakeAtom(EVDEV_PROP_MIDBUTTON_BUTTON,
+                              strlen(EVDEV_PROP_MIDBUTTON_BUTTON),
+                              TRUE);
+    rc = XIChangeDeviceProperty(dev, prop_mbbuton, XA_INTEGER, 8, PropModeReplace, 1,
+                                &pEvdev->emulateMB.button, FALSE);
+
+    if (rc != Success)
+        return;
+    XISetDevicePropertyDeletable(dev, prop_mbbuton, FALSE);
+
     XIRegisterPropertyHandler(dev, EvdevMBEmuSetProperty, NULL, NULL);
 }

src/emuWheel.c

@@ -50,7 +50,7 @@ static Atom prop_wheel_inertia  = 0;
 static Atom prop_wheel_timeout  = 0;
 static Atom prop_wheel_button   = 0;
 
-/* Local Funciton Prototypes */
+/* Local Function Prototypes */
 static int EvdevWheelEmuInertia(InputInfoPtr pInfo, WheelAxisPtr axis, int value);
 
 /* Filter mouse button events */

src/evdev.c

@@ -38,9 +38,10 @@
 #include <X11/keysym.h>
 #include <X11/extensions/XI.h>
 
-#include <linux/version.h>
 #include <sys/stat.h>
+#ifdef HAVE_LIBUDEV
 #include <libudev.h>
+#endif
 #include <unistd.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -74,8 +75,8 @@
 #define CAPSFLAG	1
 #define NUMFLAG		2
 #define SCROLLFLAG	4
-#define MODEFLAG	8
-#define COMPOSEFLAG	16
+#define COMPOSEFLAG	8
+#define MODEFLAG	16
 
 #ifndef ABS_MT_SLOT
 #define ABS_MT_SLOT 0x2f
@@ -226,6 +227,7 @@ EvdevIsDuplicate(InputInfoPtr pInfo)
 static BOOL
 EvdevDeviceIsVirtual(const char* devicenode)
 {
+#ifdef HAVE_LIBUDEV
     struct udev *udev = NULL;
     struct udev_device *device = NULL;
     struct stat st;
@@ -256,6 +258,9 @@ out:
     udev_device_unref(device);
     udev_unref(udev);
     return rc;
+#else
+    return FALSE;
+#endif
 }
 
 
@@ -277,7 +282,7 @@ EvdevNextInQueue(InputInfoPtr pInfo)
 void
 EvdevQueueKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value)
 {
-    int code = ev->code + MIN_KEYCODE;
+    int code = ev->code;
     EventQueuePtr pQueue;
 
     /* Filter all repeated events from device.
@@ -285,10 +290,18 @@ EvdevQueueKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value)
     if (value == 2)
         return;
 
+    /* keycodes > 256 that have a historical mapping in xkeyboard-config */
+    switch (code) {
+        case KEY_TOUCHPAD_TOGGLE: code = KEY_F21; break;
+        case KEY_TOUCHPAD_ON:     code = KEY_F22; break;
+        case KEY_TOUCHPAD_OFF:    code = KEY_F23; break;
+        case KEY_MICMUTE:         code = KEY_F20; break;
+    }
+
     if ((pQueue = EvdevNextInQueue(pInfo)))
     {
         pQueue->type = EV_QUEUE_KEY;
-        pQueue->detail.key = code;
+        pQueue->detail.key = code + MIN_KEYCODE;
         pQueue->val = value;
     }
 }
@@ -551,6 +564,16 @@ EvdevProcessProximityState(InputInfoPtr pInfo)
         }
     }
 
+    /* Wacom's last frame resets all values to 0, including x/y.
+       Skip over this. */
+    if (prox_state == 0) {
+        int v;
+        if (valuator_mask_fetch(pEvdev->abs_vals, 0, &v) && v == 0)
+            valuator_mask_unset(pEvdev->abs_vals, 0);
+        if (valuator_mask_fetch(pEvdev->abs_vals, 1, &v) && v == 0)
+            valuator_mask_unset(pEvdev->abs_vals, 1);
+    }
+
     if ((prox_state && !pEvdev->in_proximity) ||
         (!prox_state && pEvdev->in_proximity))
     {
@@ -784,7 +807,6 @@ EvdevProcessAbsoluteMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
 
     if (ev->code >= ABS_MT_SLOT) {
         EvdevProcessTouchEvent(pInfo, ev);
-        pEvdev->abs_queued = 1;
     } else if (!pEvdev->mt_mask) {
         map = pEvdev->abs_axis_map[ev->code];
 
@@ -906,7 +928,7 @@ EvdevPostProximityEvents(InputInfoPtr pInfo, int which)
                 break;
             case EV_QUEUE_PROXIMITY:
                 if (pEvdev->queue[i].val == which)
-                    xf86PostProximityEvent(pInfo->dev, which, 0, 0);
+                    xf86PostProximityEventM(pInfo->dev, which, pEvdev->old_vals);
                 break;
         }
     }
@@ -1063,11 +1085,13 @@ EvdevReadInput(InputInfoPtr pInfo)
     do {
         rc = libevdev_next_event(pEvdev->dev, LIBEVDEV_READ_FLAG_NORMAL, &ev);
         if (rc < 0) {
-            if (rc == -ENODEV) /* May happen after resume */
+            if (rc != -EAGAIN && rc != -EINTR && rc != -EWOULDBLOCK) {
+                /* May happen after resume or at device detach */
                 xf86RemoveEnabledDevice(pInfo);
-            else if (rc != -EAGAIN)
+                EvdevCloseDevice(pInfo);
                 LogMessageVerbSigSafe(X_ERROR, 0, "%s: Read error: %s\n", pInfo->name,
                                        strerror(-rc));
+            }
             break;
         } else if (rc == LIBEVDEV_READ_STATUS_SUCCESS) {
             if (pEvdev->mtdev)
@@ -1101,8 +1125,8 @@ EvdevKbdCtrl(DeviceIntPtr device, KeybdCtrl *ctrl)
         { CAPSFLAG,	LED_CAPSL },
         { NUMFLAG,	LED_NUML },
         { SCROLLFLAG,	LED_SCROLLL },
-        { MODEFLAG,	LED_KANA },
-        { COMPOSEFLAG,	LED_COMPOSE }
+        { COMPOSEFLAG,	LED_COMPOSE },
+        { MODEFLAG,	LED_KANA }
     };
 
     InputInfoPtr pInfo;
@@ -1238,7 +1262,7 @@ EvdevCountMTAxes(EvdevPtr pEvdev, int *num_mt_axes_total,
         return;
 
     /* Absolute multitouch axes: adjust mapping and axes counts. */
-    for (axis = ABS_MT_SLOT; axis < ABS_MAX; axis++)
+    for (axis = ABS_MT_SLOT; axis <= ABS_MAX; axis++)
     {
         int j;
         Bool skip = FALSE;
@@ -1288,7 +1312,7 @@ EvdevAddAbsValuatorClass(DeviceIntPtr device, int num_scroll_axes)
         goto out;
 
     /* Find number of absolute axis, including MT ones, will decrease later. */
-    for (i = 0; i < ABS_MAX; i++)
+    for (i = 0; i <= ABS_MAX; i++)
         if (libevdev_has_event_code(pEvdev->dev, EV_ABS, i))
             num_axes++;
 
@@ -1456,7 +1480,7 @@ EvdevAddAbsValuatorClass(DeviceIntPtr device, int num_scroll_axes)
         }
 
         for (i = 0; i < num_touches; i++) {
-            for (axis = ABS_MT_TOUCH_MAJOR; axis < ABS_MAX; axis++) {
+            for (axis = ABS_MT_TOUCH_MAJOR; axis <= ABS_MAX; axis++) {
                 if (pEvdev->abs_axis_map[axis] >= 0) {
                     int val = pEvdev->mtdev ? 0 : libevdev_get_current_slot(pEvdev->dev);
                     /* XXX: read initial values from mtdev when it adds support
@@ -1477,10 +1501,8 @@ EvdevAddAbsValuatorClass(DeviceIntPtr device, int num_scroll_axes)
             continue;
 
         abs = libevdev_get_abs_info(pEvdev->dev, axis);
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 30)
         /* Kernel provides units/mm, X wants units/m */
         resolution = abs->resolution * 1000;
-#endif
 
         xf86InitValuatorAxisStruct(device, axnum,
                                    atoms[axnum],
@@ -1669,7 +1691,7 @@ EvdevAddRelValuatorClass(DeviceIntPtr device, int num_scroll_axes)
     if (!libevdev_has_event_type(pEvdev->dev, EV_REL))
         goto out;
 
-    for (i = 0; i < REL_MAX; i++) {
+    for (i = 0; i <= REL_MAX; i++) {
         if (i == REL_WHEEL || i == REL_HWHEEL || i == REL_DIAL)
             continue;
 
@@ -1924,7 +1946,7 @@ EvdevInit(DeviceIntPtr device)
      * So, unless you have a small screen, you won't be enjoying it much;
      * consequently, absolute axes are generally ignored.
      *
-     * However, currenly only a device with absolute axes can be registered
+     * However, currently only a device with absolute axes can be registered
      * as a touch{pad,screen}. Thus, given such a device, absolute axes are
      * used and relative axes are ignored.
      */
@@ -2354,8 +2376,10 @@ EvdevProbe(InputInfoPtr pInfo)
             pInfo->type_name = XI_TOUCHSCREEN;
 	} else {
             if (!libevdev_has_event_code(pEvdev->dev, EV_REL, REL_X) ||
-                !libevdev_has_event_code(pEvdev->dev, EV_REL, REL_Y))
+                !libevdev_has_event_code(pEvdev->dev, EV_REL, REL_Y)) {
+                pEvdev->flags |= EVDEV_RELATIVE_EVENTS;
                 EvdevForceXY(pInfo, Relative);
+            }
 	    xf86IDrvMsg(pInfo, X_INFO, "Configuring as mouse\n");
 	    pInfo->type_name = XI_MOUSE;
 	}
@@ -2486,7 +2510,7 @@ EvdevOpenDevice(InputInfoPtr pInfo)
     }
 
     if (pInfo->fd < 0) {
-        xf86IDrvMsg(pInfo, X_ERROR, "Unable to open evdev device \"%s\".\n", device);
+        xf86IDrvMsg(pInfo, X_ERROR, "Unable to open evdev device \"%s\" (%s).\n", device, strerror(errno));
         return BadValue;
     }
 

src/evdev.h

@@ -36,7 +36,14 @@
 #define EVDEV_H
 
 #include <linux/input.h>
-#include <linux/types.h>
+#include <sys/types.h>
+
+/* Tolerate prior #include <linux/input.h> */
+#undef BUS_NONE
+#undef BUS_PCI
+#undef BUS_SBUS
+#undef BUS_PLATFORM
+#undef BUS_USB
 
 #include <xorg-server.h>
 #include <xf86Xinput.h>
@@ -196,6 +203,7 @@ typedef struct {
         int                 state;       /* state machine (see bt3emu.c) */
         Time                expires;     /* time of expiry */
         Time                timeout;
+        uint8_t             button;      /* phys button to emit */
     } emulateMB;
     /* Third mouse button emulation */
     struct emulate3B {