diff options
| -rw-r--r-- | man/evdev.man | 8 | ||||
| -rw-r--r-- | src/evdev.c | 19 | ||||
| -rw-r--r-- | src/evdev.h | 2 |
3 files changed, 22 insertions, 7 deletions
diff --git a/man/evdev.man b/man/evdev.man index 899ca71..9d336fc 100644 --- a/man/evdev.man +++ b/man/evdev.man @@ -11,6 +11,7 @@ evdev \- Generic Linux input driver .BI " Option \*qDevice\*q \*q" devpath \*q .BI " Option \*qEmulate3Buttons\*q \*q" True \*q .BI " Option \*qEmulate3Timeout\*q \*q" 50 \*q +.BI " Option \*qGrabDevice\*q \*q" False \*q \ \ ... .B EndSection .fi @@ -145,6 +146,13 @@ waking up from suspend). In between each attempt is a 100ms wait. Default: 10. .TP 7 .BI "Option \*qInvertY\*q \*q" Bool \*q Invert the given axis. Default: off. Property: "Evdev Axis Inversion". +.TP 7 +.BI "Option \*qGrabDevice\*q \*q" boolean \*q +Force a grab on the event device. Doing so will ensure that no other driver +can initialise the same device and it will also stop the device from sending +events to /dev/kbd or /dev/input/mice. Events from this device will not be +sent to virtual devices (e.g. rfkill or the Macintosh mouse button emulation). +Default disabled. .SH SUPPORTED PROPERTIES The following properties are provided by the diff --git a/src/evdev.c b/src/evdev.c index 865b451..1a664ac 100644 --- a/src/evdev.c +++ b/src/evdev.c @@ -979,7 +979,7 @@ EvdevOn(DeviceIntPtr device) pInfo = device->public.devicePrivate; pEvdev = pInfo->private; - if (pInfo->fd != -1 && !pEvdev->kernel24 && + if (pInfo->fd != -1 && pEvdev->grabDevice && (rc = ioctl(pInfo->fd, EVIOCGRAB, (void *)1))) { xf86Msg(X_WARNING, "%s: Grab failed (%s)\n", pInfo->name, @@ -1028,7 +1028,7 @@ EvdevProc(DeviceIntPtr device, int what) case DEVICE_OFF: if (pInfo->fd != -1) { - if (!pEvdev->kernel24 && ioctl(pInfo->fd, EVIOCGRAB, (void *)0)) + if (pEvdev->grabDevice && ioctl(pInfo->fd, EVIOCGRAB, (void *)0)) xf86Msg(X_WARNING, "%s: Release failed (%s)\n", pInfo->name, strerror(errno)); xf86RemoveEnabledDevice(pInfo); @@ -1177,17 +1177,19 @@ EvdevProbe(InputInfoPtr pInfo) long rel_bitmask[NBITS(REL_MAX)]; long abs_bitmask[NBITS(ABS_MAX)]; int i, has_axes, has_keys, num_buttons; + int kernel24 = 0; EvdevPtr pEvdev = pInfo->private; - if (ioctl(pInfo->fd, EVIOCGRAB, (void *)1)) { + if (pEvdev->grabDevice && ioctl(pInfo->fd, EVIOCGRAB, (void *)1)) { if (errno == EINVAL) { /* keyboards are unsafe in 2.4 */ - pEvdev->kernel24 = 1; + kernel24 = 1; + pEvdev->grabDevice = 0; } else { xf86Msg(X_ERROR, "Grab failed. Device already configured?\n"); return 1; } - } else { + } else if (pEvdev->grabDevice) { ioctl(pInfo->fd, EVIOCGRAB, (void *)0); } @@ -1263,7 +1265,7 @@ EvdevProbe(InputInfoPtr pInfo) } if (has_keys) { - if (pEvdev->kernel24) { + if (kernel24) { xf86Msg(X_INFO, "%s: Kernel < 2.6 is too old, ignoring keyboard\n", pInfo->name); } else { @@ -1348,6 +1350,11 @@ EvdevPreInit(InputDriverPtr drv, IDevPtr dev, int flags) pEvdev->invert_x = xf86SetBoolOption(pInfo->options, "InvertX", FALSE); pEvdev->invert_y = xf86SetBoolOption(pInfo->options, "InvertY", FALSE); + /* Grabbing the event device stops in-kernel event forwarding. In other + words, it disables rfkill and the "Macintosh mouse button emulation". + Note that this needs a server that sets the console to RAW mode. */ + pEvdev->grabDevice = xf86CheckBoolOption(dev->commonOptions, "GrabDevice", 0); + pEvdev->noXkb = noXkbExtension; /* parse the XKB options during kbd setup */ EvdevInitButtonMapping(pInfo); diff --git a/src/evdev.h b/src/evdev.h index 515ed59..c2f614a 100644 --- a/src/evdev.h +++ b/src/evdev.h @@ -57,7 +57,7 @@ typedef struct { typedef struct { const char *device; - int kernel24; + int grabDevice; /* grab the event device? */ int screen; int min_x, min_y, max_x, max_y; int abs_x, abs_y, old_x, old_y; |