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Diffstat (limited to 'src/evdev.c')
| -rw-r--r-- | src/evdev.c | 2969 |
1 files changed, 2969 insertions, 0 deletions
diff --git a/src/evdev.c b/src/evdev.c new file mode 100644 index 0000000..54772c7 --- /dev/null +++ b/src/evdev.c @@ -0,0 +1,2969 @@ +/* + * Copyright © 2004-2008 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of Red Hat + * not be used in advertising or publicity pertaining to distribution + * of the software without specific, written prior permission. Red + * Hat makes no representations about the suitability of this software + * for any purpose. It is provided "as is" without express or implied + * warranty. + * + * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN + * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS + * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: + * Kristian Høgsberg (krh@redhat.com) + * Adam Jackson (ajax@redhat.com) + * Peter Hutterer (peter.hutterer@redhat.com) + * Oliver McFadden (oliver.mcfadden@nokia.com) + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "evdev.h" + +#include <X11/keysym.h> +#include <X11/extensions/XI.h> + +#include <linux/version.h> +#include <sys/stat.h> +#include <libudev.h> +#include <unistd.h> +#include <errno.h> +#include <fcntl.h> + +#include <xf86.h> +#include <xf86Xinput.h> +#include <exevents.h> +#include <xorgVersion.h> +#include <xkbsrv.h> + +#include <X11/Xatom.h> +#include <evdev-properties.h> +#include <xserver-properties.h> + +#ifndef XI_PROP_PRODUCT_ID +#define XI_PROP_PRODUCT_ID "Device Product ID" +#endif + +#ifndef XI_PROP_VIRTUAL_DEVICE +#define XI_PROP_VIRTUAL_DEVICE "Virtual Device" +#endif + +/* removed from server, purge when dropping support for server 1.10 */ +#define XI86_SEND_DRAG_EVENTS 0x08 + +#ifndef MAXDEVICES +#include <inputstr.h> /* for MAX_DEVICES */ +#define MAXDEVICES MAX_DEVICES +#endif + +#define ArrayLength(a) (sizeof(a) / (sizeof((a)[0]))) + +#define MIN_KEYCODE 8 +#define GLYPHS_PER_KEY 2 +#define AltMask Mod1Mask +#define NumLockMask Mod2Mask +#define AltLangMask Mod3Mask +#define KanaMask Mod4Mask +#define ScrollLockMask Mod5Mask + +#define CAPSFLAG 1 +#define NUMFLAG 2 +#define SCROLLFLAG 4 +#define MODEFLAG 8 +#define COMPOSEFLAG 16 + +#ifndef ABS_MT_SLOT +#define ABS_MT_SLOT 0x2f +#endif + +#ifndef ABS_MT_TRACKING_ID +#define ABS_MT_TRACKING_ID 0x39 +#endif + +static const char *evdevDefaults[] = { + "XkbRules", "evdev", + "XkbModel", "evdev", + "XkbLayout", "us", + NULL +}; + +/* Any of those triggers a proximity event */ +static int proximity_bits[] = { + BTN_TOOL_PEN, + BTN_TOOL_RUBBER, + BTN_TOOL_BRUSH, + BTN_TOOL_PENCIL, + BTN_TOOL_AIRBRUSH, + BTN_TOOL_FINGER, + BTN_TOOL_MOUSE, + BTN_TOOL_LENS, +}; + +static int EvdevOn(DeviceIntPtr); +static int EvdevCache(InputInfoPtr pInfo); +static void EvdevKbdCtrl(DeviceIntPtr device, KeybdCtrl *ctrl); +static int EvdevSwitchMode(ClientPtr client, DeviceIntPtr device, int mode); +static BOOL EvdevGrabDevice(InputInfoPtr pInfo, int grab, int ungrab); +static void EvdevSetCalibration(InputInfoPtr pInfo, int num_calibration, int calibration[4]); +static int EvdevOpenDevice(InputInfoPtr pInfo); +static void EvdevCloseDevice(InputInfoPtr pInfo); + +static void EvdevInitAxesLabels(EvdevPtr pEvdev, int mode, int natoms, Atom *atoms); +static void EvdevInitButtonLabels(EvdevPtr pEvdev, int natoms, Atom *atoms); +static void EvdevInitProperty(DeviceIntPtr dev); +static int EvdevSetProperty(DeviceIntPtr dev, Atom atom, + XIPropertyValuePtr val, BOOL checkonly); +static Atom prop_product_id; +static Atom prop_invert; +static Atom prop_calibration; +static Atom prop_swap; +static Atom prop_axis_label; +static Atom prop_btn_label; +static Atom prop_device; +static Atom prop_virtual; + +/* All devices the evdev driver has allocated and knows about. + * MAXDEVICES is safe as null-terminated array, as two devices (VCP and VCK) + * cannot be used by evdev, leaving us with a space of 2 at the end. */ +static EvdevPtr evdev_devices[MAXDEVICES] = {NULL}; + +static int EvdevSwitchMode(ClientPtr client, DeviceIntPtr device, int mode) +{ + InputInfoPtr pInfo; + EvdevPtr pEvdev; + + pInfo = device->public.devicePrivate; + pEvdev = pInfo->private; + + if (pEvdev->flags & EVDEV_RELATIVE_EVENTS) + { + if (mode == Relative) + return Success; + else + return XI_BadMode; + } + + switch (mode) { + case Absolute: + pEvdev->flags &= ~EVDEV_RELATIVE_MODE; + break; + + case Relative: + pEvdev->flags |= EVDEV_RELATIVE_MODE; + break; + + default: + return XI_BadMode; + } + + return Success; +} + +static size_t EvdevCountBits(unsigned long *array, size_t nlongs) +{ + unsigned int i; + size_t count = 0; + + for (i = 0; i < nlongs; i++) { + unsigned long x = array[i]; + + while (x > 0) + { + count += (x & 0x1); + x >>= 1; + } + } + return count; +} + +static inline int EvdevBitIsSet(const unsigned long *array, int bit) +{ + return !!(array[bit / LONG_BITS] & (1LL << (bit % LONG_BITS))); +} + +static inline void EvdevSetBit(unsigned long *array, int bit) +{ + array[bit / LONG_BITS] |= (1LL << (bit % LONG_BITS)); +} + +static int +EvdevGetMajorMinor(InputInfoPtr pInfo) +{ + struct stat st; + + if (fstat(pInfo->fd, &st) == -1) + { + xf86IDrvMsg(pInfo, X_ERROR, "stat failed (%s). cannot check for duplicates.\n", + strerror(errno)); + return 0; + } + + return st.st_rdev; +} + +/** + * Return TRUE if one of the devices we know about has the same min/maj + * number. + */ +static BOOL +EvdevIsDuplicate(InputInfoPtr pInfo) +{ + EvdevPtr pEvdev = pInfo->private; + EvdevPtr* dev = evdev_devices; + + if (pEvdev->min_maj) + { + while(*dev) + { + if ((*dev) != pEvdev && + (*dev)->min_maj && + (*dev)->min_maj == pEvdev->min_maj) + return TRUE; + dev++; + } + } + return FALSE; +} + +/** + * Add to internal device list. + */ +static void +EvdevAddDevice(InputInfoPtr pInfo) +{ + EvdevPtr pEvdev = pInfo->private; + EvdevPtr* dev = evdev_devices; + + while(*dev) + dev++; + + *dev = pEvdev; +} + +/** + * Remove from internal device list. + */ +static void +EvdevRemoveDevice(InputInfoPtr pInfo) +{ + EvdevPtr pEvdev = pInfo->private; + EvdevPtr *dev = evdev_devices; + int count = 0; + + while(*dev) + { + count++; + if (*dev == pEvdev) + { + memmove(dev, dev + 1, + sizeof(evdev_devices) - (count * sizeof(EvdevPtr))); + break; + } + dev++; + } +} + + +static void +SetXkbOption(InputInfoPtr pInfo, const char *name, char **option) +{ + char *s; + + if ((s = xf86SetStrOption(pInfo->options, name, NULL))) { + if (!s[0]) { + free(s); + *option = NULL; + } else { + *option = s; + } + } +} + +static BOOL +EvdevDeviceIsVirtual(const char* devicenode) +{ + struct udev *udev = NULL; + struct udev_device *device = NULL; + struct stat st; + int rc = FALSE; + const char *devpath; + + udev = udev_new(); + if (!udev) + goto out; + + stat(devicenode, &st); + device = udev_device_new_from_devnum(udev, 'c', st.st_rdev); + + if (!device) + goto out; + + + devpath = udev_device_get_devpath(device); + if (!devpath) + goto out; + + if (strstr(devpath, "LNXSYSTM")) + rc = TRUE; + +out: + udev_device_unref(device); + udev_unref(udev); + return rc; +} + +#ifndef HAVE_SMOOTH_SCROLLING +static int wheel_up_button = 4; +static int wheel_down_button = 5; +static int wheel_left_button = 6; +static int wheel_right_button = 7; +#endif + +static EventQueuePtr +EvdevNextInQueue(InputInfoPtr pInfo) +{ + EvdevPtr pEvdev = pInfo->private; + + if (pEvdev->num_queue >= EVDEV_MAXQUEUE) + { + xf86IDrvMsg(pInfo, X_NONE, "dropping event due to full queue!\n"); + return NULL; + } + + pEvdev->num_queue++; + return &pEvdev->queue[pEvdev->num_queue - 1]; +} + +void +EvdevQueueKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value) +{ + int code = ev->code + MIN_KEYCODE; + EventQueuePtr pQueue; + + /* Filter all repeated events from device. + We'll do softrepeat in the server, but only since 1.6 */ + if (value == 2) + return; + + if ((pQueue = EvdevNextInQueue(pInfo))) + { + pQueue->type = EV_QUEUE_KEY; + pQueue->detail.key = code; + pQueue->val = value; + } +} + +void +EvdevQueueButtonEvent(InputInfoPtr pInfo, int button, int value) +{ + EventQueuePtr pQueue; + + if ((pQueue = EvdevNextInQueue(pInfo))) + { + pQueue->type = EV_QUEUE_BTN; + pQueue->detail.key = button; + pQueue->val = value; + } +} + +void +EvdevQueueProximityEvent(InputInfoPtr pInfo, int value) +{ + EventQueuePtr pQueue; + if ((pQueue = EvdevNextInQueue(pInfo))) + { + pQueue->type = EV_QUEUE_PROXIMITY; + pQueue->detail.key = 0; + pQueue->val = value; + } +} + +#ifdef MULTITOUCH +void +EvdevQueueTouchEvent(InputInfoPtr pInfo, unsigned int touch, ValuatorMask *mask, + uint16_t evtype) +{ + EventQueuePtr pQueue; + if ((pQueue = EvdevNextInQueue(pInfo))) + { + pQueue->type = EV_QUEUE_TOUCH; + pQueue->detail.touch = touch; + valuator_mask_copy(pQueue->touchMask, mask); + pQueue->val = evtype; + } +} +#endif + +/** + * Post button event right here, right now. + * Interface for MB emulation since these need to post immediately. + */ +void +EvdevPostButtonEvent(InputInfoPtr pInfo, int button, enum ButtonAction act) +{ + xf86PostButtonEvent(pInfo->dev, Relative, button, + (act == BUTTON_PRESS) ? 1 : 0, 0, 0); +} + +void +EvdevQueueButtonClicks(InputInfoPtr pInfo, int button, int count) +{ + int i; + + for (i = 0; i < count; i++) { + EvdevQueueButtonEvent(pInfo, button, 1); + EvdevQueueButtonEvent(pInfo, button, 0); + } +} + +/** + * Take the valuators and process them accordingly. + */ +static void +EvdevProcessValuators(InputInfoPtr pInfo) +{ + int tmp; + EvdevPtr pEvdev = pInfo->private; + int *delta = pEvdev->delta; + + /* convert to relative motion for touchpads */ + if (pEvdev->abs_queued && (pEvdev->flags & EVDEV_RELATIVE_MODE)) { + if (pEvdev->in_proximity) { + if (valuator_mask_isset(pEvdev->vals, 0)) + { + if (valuator_mask_isset(pEvdev->old_vals, 0)) + delta[REL_X] = valuator_mask_get(pEvdev->vals, 0) - + valuator_mask_get(pEvdev->old_vals, 0); + valuator_mask_set(pEvdev->old_vals, 0, + valuator_mask_get(pEvdev->vals, 0)); + } + if (valuator_mask_isset(pEvdev->vals, 1)) + { + if (valuator_mask_isset(pEvdev->old_vals, 1)) + delta[REL_Y] = valuator_mask_get(pEvdev->vals, 1) - + valuator_mask_get(pEvdev->old_vals, 1); + valuator_mask_set(pEvdev->old_vals, 1, + valuator_mask_get(pEvdev->vals, 1)); + } + } else { + valuator_mask_zero(pEvdev->old_vals); + } + valuator_mask_zero(pEvdev->vals); + pEvdev->abs_queued = 0; + pEvdev->rel_queued = 1; + } + + if (pEvdev->rel_queued) { + int i; + + if (pEvdev->swap_axes) { + tmp = pEvdev->delta[REL_X]; + pEvdev->delta[REL_X] = pEvdev->delta[REL_Y]; + pEvdev->delta[REL_Y] = tmp; + if (pEvdev->delta[REL_X] == 0) + valuator_mask_unset(pEvdev->vals, REL_X); + if (pEvdev->delta[REL_Y] == 0) + valuator_mask_unset(pEvdev->vals, REL_Y); + } + if (pEvdev->invert_x) + pEvdev->delta[REL_X] *= -1; + if (pEvdev->invert_y) + pEvdev->delta[REL_Y] *= -1; + + + Evdev3BEmuProcessRelMotion(pInfo, + pEvdev->delta[REL_X], + pEvdev->delta[REL_Y]); + + for (i = 0; i < REL_CNT; i++) + { + int map = pEvdev->axis_map[i]; + if (pEvdev->delta[i] && map != -1) + valuator_mask_set(pEvdev->vals, map, pEvdev->delta[i]); + } + } + /* + * Some devices only generate valid abs coords when BTN_TOOL_PEN is + * pressed. On wacom tablets, this means that the pen is in + * proximity of the tablet. After the pen is removed, BTN_TOOL_PEN is + * released, and a (0, 0) absolute event is generated. Checking + * pEvdev->in_proximity here lets us ignore that event. pEvdev is + * initialized to 1 so devices that don't use this scheme still + * just works. + */ + else if (pEvdev->abs_queued && pEvdev->in_proximity) { + int i; + + if (pEvdev->swap_axes) { + int swapped_isset[2] = {0, 0}; + int swapped_values[2]; + + for(i = 0; i <= 1; i++) + if (valuator_mask_isset(pEvdev->vals, i)) { + swapped_isset[1 - i] = 1; + swapped_values[1 - i] = + xf86ScaleAxis(valuator_mask_get(pEvdev->vals, i), + pEvdev->absinfo[1 - i].maximum, + pEvdev->absinfo[1 - i].minimum, + pEvdev->absinfo[i].maximum, + pEvdev->absinfo[i].minimum); + } + + for (i = 0; i <= 1; i++) + if (swapped_isset[i]) + valuator_mask_set(pEvdev->vals, i, swapped_values[i]); + else + valuator_mask_unset(pEvdev->vals, i); + } + + for (i = 0; i <= 1; i++) { + int val; + int calib_min; + int calib_max; + + if (!valuator_mask_isset(pEvdev->vals, i)) + continue; + + val = valuator_mask_get(pEvdev->vals, i); + + if (i == 0) { + calib_min = pEvdev->calibration.min_x; + calib_max = pEvdev->calibration.max_x; + } else { + calib_min = pEvdev->calibration.min_y; + calib_max = pEvdev->calibration.max_y; + } + + if (pEvdev->flags & EVDEV_CALIBRATED) + val = xf86ScaleAxis(val, pEvdev->absinfo[i].maximum, + pEvdev->absinfo[i].minimum, calib_max, + calib_min); + + if ((i == 0 && pEvdev->invert_x) || (i == 1 && pEvdev->invert_y)) + val = (pEvdev->absinfo[i].maximum - val + + pEvdev->absinfo[i].minimum); + + valuator_mask_set(pEvdev->vals, i, val); + } + Evdev3BEmuProcessAbsMotion(pInfo, pEvdev->vals); + } +} + +static void +EvdevProcessProximityEvent(InputInfoPtr pInfo, struct input_event *ev) +{ + EvdevPtr pEvdev = pInfo->private; + + if (!pEvdev->use_proximity) + return; + + pEvdev->prox_queued = 1; + + EvdevQueueProximityEvent(pInfo, ev->value); +} + +/** + * Proximity handling is rather weird because of tablet-specific issues. + * Some tablets, notably Wacoms, send a 0/0 coordinate in the same EV_SYN as + * the out-of-proximity notify. We need to ignore those, hence we only + * actually post valuator events when we're in proximity. + * + * Other tablets send the x/y coordinates, then EV_SYN, then the proximity + * event. For those, we need to remember x/y to post it when the proximity + * comes. + * + * If we're not in proximity and we get valuator events, remember that, they + * won't be posted though. If we move into proximity without valuators, use + * the last ones we got and let the rest of the code post them. + */ +static int +EvdevProcessProximityState(InputInfoPtr pInfo) +{ + EvdevPtr pEvdev = pInfo->private; + int prox_state = 0; + int i; + + /* Does this device have any proximity axes? */ + if (!pEvdev->prox) + return 0; + + /* no proximity change in the queue */ + if (!pEvdev->prox_queued) + { + if (pEvdev->abs_queued && !pEvdev->in_proximity) + for (i = 0; i < valuator_mask_size(pEvdev->vals); i++) + if (valuator_mask_isset(pEvdev->vals, i)) + valuator_mask_set(pEvdev->prox, i, + valuator_mask_get(pEvdev->vals, i)); + return 0; + } + + for (i = 0; i < pEvdev->num_queue; i++) + { + if (pEvdev->queue[i].type == EV_QUEUE_PROXIMITY) + { + prox_state = pEvdev->queue[i].val; + break; + } + } + + if ((prox_state && !pEvdev->in_proximity) || + (!prox_state && pEvdev->in_proximity)) + { + /* We're about to go into/out of proximity but have no abs events + * within the EV_SYN. Use the last coordinates we have. */ + for (i = 0; i < valuator_mask_size(pEvdev->prox); i++) + if (!valuator_mask_isset(pEvdev->vals, i) && + valuator_mask_isset(pEvdev->prox, i)) + valuator_mask_set(pEvdev->vals, i, + valuator_mask_get(pEvdev->prox, i)); + valuator_mask_zero(pEvdev->prox); + + pEvdev->abs_queued = valuator_mask_size(pEvdev->vals); + } + + pEvdev->in_proximity = prox_state; + return 1; +} + +/** + * Take a button input event and process it accordingly. + */ +static void +EvdevProcessButtonEvent(InputInfoPtr pInfo, struct input_event *ev) +{ + unsigned int button; + int value; + EvdevPtr pEvdev = pInfo->private; + + button = EvdevUtilButtonEventToButtonNumber(pEvdev, ev->code); + + /* Get the signed value, earlier kernels had this as unsigned */ + value = ev->value; + + /* Handle drag lock */ + if (EvdevDragLockFilterEvent(pInfo, button, value)) + return; + + if (EvdevWheelEmuFilterButton(pInfo, button, value)) + return; + + if (EvdevMBEmuFilterEvent(pInfo, button, value)) + return; + + if (button) + EvdevQueueButtonEvent(pInfo, button, value); + else + EvdevQueueKbdEvent(pInfo, ev, value); +} + +/** + * Take the relative motion input event and process it accordingly. + */ +static void +EvdevProcessRelativeMotionEvent(InputInfoPtr pInfo, struct input_event *ev) +{ + int value; + EvdevPtr pEvdev = pInfo->private; + int map; + + /* Get the signed value, earlier kernels had this as unsigned */ + value = ev->value; + + switch (ev->code) { +#ifndef HAVE_SMOOTH_SCROLLING + case REL_WHEEL: + if (value > 0) + EvdevQueueButtonClicks(pInfo, wheel_up_button, value); + else if (value < 0) + EvdevQueueButtonClicks(pInfo, wheel_down_button, -value); + break; + + case REL_DIAL: + case REL_HWHEEL: + if (value > 0) + EvdevQueueButtonClicks(pInfo, wheel_right_button, value); + else if (value < 0) + EvdevQueueButtonClicks(pInfo, wheel_left_button, -value); + break; + /* We don't post wheel events as axis motion. */ +#endif + default: + /* Ignore EV_REL events if we never set up for them. */ + if (!(pEvdev->flags & EVDEV_RELATIVE_EVENTS)) + return; + + /* Handle mouse wheel emulation */ + if (EvdevWheelEmuFilterMotion(pInfo, ev)) + return; + + pEvdev->rel_queued = 1; + pEvdev->delta[ev->code] += value; + map = pEvdev->axis_map[ev->code]; + valuator_mask_set(pEvdev->vals, map, value); + break; + } +} + +#ifdef MULTITOUCH +static void +EvdevProcessTouch(InputInfoPtr pInfo) +{ + EvdevPtr pEvdev = pInfo->private; + int type; + + if (pEvdev->cur_slot < 0 || !pEvdev->mt_mask) + return; + + /* If the ABS_MT_SLOT is the first event we get after EV_SYN, skip this */ + if (pEvdev->slot_state == SLOTSTATE_EMPTY) + return; + + if (pEvdev->slot_state == SLOTSTATE_CLOSE) + type = XI_TouchEnd; + else if (pEvdev->slot_state == SLOTSTATE_OPEN) + type = XI_TouchBegin; + else + type = XI_TouchUpdate; + + + EvdevQueueTouchEvent(pInfo, pEvdev->cur_slot, pEvdev->mt_mask, type); + + pEvdev->slot_state = SLOTSTATE_EMPTY; + + valuator_mask_zero(pEvdev->mt_mask); +} + +static int +num_slots(EvdevPtr pEvdev) +{ + int value = pEvdev->absinfo[ABS_MT_SLOT].maximum - + pEvdev->absinfo[ABS_MT_SLOT].minimum + 1; + + /* If we don't know how many slots there are, assume at least 10 */ + return value > 1 ? value : 10; +} + +static int +last_mt_vals_slot(EvdevPtr pEvdev) +{ + int value = pEvdev->cur_slot - pEvdev->absinfo[ABS_MT_SLOT].minimum; + + return value < num_slots(pEvdev) ? value : -1; +} + +static void +EvdevProcessTouchEvent(InputInfoPtr pInfo, struct input_event *ev) +{ + EvdevPtr pEvdev = pInfo->private; + int map; + + if (ev->code == ABS_MT_SLOT) { + EvdevProcessTouch(pInfo); + pEvdev->cur_slot = ev->value; + } else + { + int slot_index = last_mt_vals_slot(pEvdev); + + if (pEvdev->slot_state == SLOTSTATE_EMPTY) + pEvdev->slot_state = SLOTSTATE_UPDATE; + if (ev->code == ABS_MT_TRACKING_ID) { + if (ev->value >= 0) { + pEvdev->slot_state = SLOTSTATE_OPEN; + + if (slot_index >= 0) + valuator_mask_copy(pEvdev->mt_mask, + pEvdev->last_mt_vals[slot_index]); + else + xf86IDrvMsg(pInfo, X_WARNING, + "Attempted to copy values from out-of-range " + "slot, touch events may be incorrect.\n"); + } else + pEvdev->slot_state = SLOTSTATE_CLOSE; + } else { + map = pEvdev->axis_map[ev->code]; + valuator_mask_set(pEvdev->mt_mask, map, ev->value); + if (slot_index >= 0) + valuator_mask_set(pEvdev->last_mt_vals[slot_index], map, + ev->value); + } + } +} +#else +#define EvdevProcessTouch(pInfo) +#define EvdevProcessTouchEvent(pInfo, ev) +#endif /* MULTITOUCH */ + +/** + * Take the absolute motion input event and process it accordingly. + */ +static void +EvdevProcessAbsoluteMotionEvent(InputInfoPtr pInfo, struct input_event *ev) +{ + int value; + EvdevPtr pEvdev = pInfo->private; + int map; + + /* Get the signed value, earlier kernels had this as unsigned */ + value = ev->value; + + /* Ignore EV_ABS events if we never set up for them. */ + if (!(pEvdev->flags & EVDEV_ABSOLUTE_EVENTS)) + return; + + if (ev->code > ABS_MAX) + return; + + if (EvdevWheelEmuFilterMotion(pInfo, ev)) + return; + + if (ev->code >= ABS_MT_SLOT) { + EvdevProcessTouchEvent(pInfo, ev); + pEvdev->abs_queued = 1; + } else if (!pEvdev->mt_mask) { + map = pEvdev->axis_map[ev->code]; + valuator_mask_set(pEvdev->vals, map, value); + pEvdev->abs_queued = 1; + } +} + +/** + * Take the key press/release input event and process it accordingly. + */ +static void +EvdevProcessKeyEvent(InputInfoPtr pInfo, struct input_event *ev) +{ + int value, i; + EvdevPtr pEvdev = pInfo->private; + + /* Get the signed value, earlier kernels had this as unsigned */ + value = ev->value; + + /* don't repeat mouse buttons */ + if (ev->code >= BTN_MOUSE && ev->code < KEY_OK) + if (value == 2) + return; + + for (i = 0; i < ArrayLength(proximity_bits); i++) + { + if (ev->code == proximity_bits[i]) + { + EvdevProcessProximityEvent(pInfo, ev); + return; + } + } + + switch (ev->code) { + case BTN_TOUCH: + /* For devices that have but don't use proximity, use + * BTN_TOUCH as the proximity notifier */ + if (!pEvdev->use_proximity) + pEvdev->in_proximity = value ? ev->code : 0; + if (!(pEvdev->flags & (EVDEV_TOUCHSCREEN | EVDEV_TABLET)) || + pEvdev->mt_mask) + break; + /* Treat BTN_TOUCH from devices that only have BTN_TOUCH as + * BTN_LEFT. */ + ev->code = BTN_LEFT; + /* Intentional fallthrough! */ + + default: + EvdevProcessButtonEvent(pInfo, ev); + break; + } +} + +/** + * Post the relative motion events. + */ +void +EvdevPostRelativeMotionEvents(InputInfoPtr pInfo, int num_v, int first_v, + int v[MAX_VALUATORS]) +{ + EvdevPtr pEvdev = pInfo->private; + + if (pEvdev->rel_queued) { + xf86PostMotionEventM(pInfo->dev, Relative, pEvdev->vals); + } +} + +/** + * Post the absolute motion events. + */ +void +EvdevPostAbsoluteMotionEvents(InputInfoPtr pInfo, int num_v, int first_v, + int v[MAX_VALUATORS]) +{ + EvdevPtr pEvdev = pInfo->private; + + /* + * Some devices only generate valid abs coords when BTN_TOOL_PEN is + * pressed. On wacom tablets, this means that the pen is in + * proximity of the tablet. After the pen is removed, BTN_TOOL_PEN is + * released, and a (0, 0) absolute event is generated. Checking + * pEvdev->in_proximity here lets us ignore that event. + * pEvdev->in_proximity is initialized to 1 so devices that don't use + * this scheme still just work. + */ + if (pEvdev->abs_queued && pEvdev->in_proximity) { + xf86PostMotionEventM(pInfo->dev, Absolute, pEvdev->vals); + } +} + +static void +EvdevPostProximityEvents(InputInfoPtr pInfo, int which, int num_v, int first_v, + int v[MAX_VALUATORS]) +{ + int i; + EvdevPtr pEvdev = pInfo->private; + + for (i = 0; pEvdev->prox_queued && i < pEvdev->num_queue; i++) { + switch (pEvdev->queue[i].type) { + case EV_QUEUE_KEY: + case EV_QUEUE_BTN: +#ifdef MULTITOUCH + case EV_QUEUE_TOUCH: +#endif + break; + case EV_QUEUE_PROXIMITY: + if (pEvdev->queue[i].val == which) + xf86PostProximityEventP(pInfo->dev, which, first_v, num_v, + v + first_v); + break; + } + } +} + +/** + * Post the queued key/button events. + */ +static void EvdevPostQueuedEvents(InputInfoPtr pInfo, int num_v, int first_v, + int v[MAX_VALUATORS]) +{ + int i; + EvdevPtr pEvdev = pInfo->private; + + for (i = 0; i < pEvdev->num_queue; i++) { + switch (pEvdev->queue[i].type) { + case EV_QUEUE_KEY: + xf86PostKeyboardEvent(pInfo->dev, pEvdev->queue[i].detail.key, + pEvdev->queue[i].val); + break; + case EV_QUEUE_BTN: + if (Evdev3BEmuFilterEvent(pInfo, + pEvdev->queue[i].detail.key, + pEvdev->queue[i].val)) + break; + + if (pEvdev->abs_queued && pEvdev->in_proximity) { + xf86PostButtonEventP(pInfo->dev, Absolute, pEvdev->queue[i].detail.key, + pEvdev->queue[i].val, first_v, num_v, + v + first_v); + + } else + xf86PostButtonEvent(pInfo->dev, Relative, pEvdev->queue[i].detail.key, + pEvdev->queue[i].val, 0, 0); + break; + case EV_QUEUE_PROXIMITY: + break; +#ifdef MULTITOUCH + case EV_QUEUE_TOUCH: + xf86PostTouchEvent(pInfo->dev, pEvdev->queue[i].detail.touch, + pEvdev->queue[i].val, 0, + pEvdev->queue[i].touchMask); + break; +#endif + } + } +} + +/** + * Take the synchronization input event and process it accordingly; the motion + * notify events are sent first, then any button/key press/release events. + */ +static void +EvdevProcessSyncEvent(InputInfoPtr pInfo, struct input_event *ev) +{ + int i; + int num_v = 0, first_v = 0; + int v[MAX_VALUATORS] = {}; + EvdevPtr pEvdev = pInfo->private; + + EvdevProcessProximityState(pInfo); + + EvdevProcessValuators(pInfo); + EvdevProcessTouch(pInfo); + + EvdevPostProximityEvents(pInfo, TRUE, num_v, first_v, v); + EvdevPostRelativeMotionEvents(pInfo, num_v, first_v, v); + EvdevPostAbsoluteMotionEvents(pInfo, num_v, first_v, v); + EvdevPostQueuedEvents(pInfo, num_v, first_v, v); + EvdevPostProximityEvents(pInfo, FALSE, num_v, first_v, v); + + memset(pEvdev->delta, 0, sizeof(pEvdev->delta)); + for (i = 0; i < ArrayLength(pEvdev->queue); i++) + { + EventQueuePtr queue = &pEvdev->queue[i]; + queue->detail.key = 0; + queue->type = 0; + queue->val = 0; + /* don't reset the touchMask */ + } + + if (pEvdev->vals) + valuator_mask_zero(pEvdev->vals); + pEvdev->num_queue = 0; + pEvdev->abs_queued = 0; + pEvdev->rel_queued = 0; + pEvdev->prox_queued = 0; + +} + +/** + * Process the events from the device; nothing is actually posted to the server + * until an EV_SYN event is received. + */ +static void +EvdevProcessEvent(InputInfoPtr pInfo, struct input_event *ev) +{ + switch (ev->type) { + case EV_REL: + EvdevProcessRelativeMotionEvent(pInfo, ev); + break; + case EV_ABS: + EvdevProcessAbsoluteMotionEvent(pInfo, ev); + break; + case EV_KEY: + EvdevProcessKeyEvent(pInfo, ev); + break; + case EV_SYN: + EvdevProcessSyncEvent(pInfo, ev); + break; + } +} + +#undef ABS_X_VALUE +#undef ABS_Y_VALUE +#undef ABS_VALUE + +static void +EvdevFreeMasks(EvdevPtr pEvdev) +{ +#ifdef MULTITOUCH + int i; +#endif + + valuator_mask_free(&pEvdev->vals); + valuator_mask_free(&pEvdev->old_vals); + valuator_mask_free(&pEvdev->prox); +#ifdef MULTITOUCH + valuator_mask_free(&pEvdev->mt_mask); + if (pEvdev->last_mt_vals) + { + for (i = 0; i < num_slots(pEvdev); i++) + valuator_mask_free(&pEvdev->last_mt_vals[i]); + free(pEvdev->last_mt_vals); + pEvdev->last_mt_vals = NULL; + } + for (i = 0; i < EVDEV_MAXQUEUE; i++) + valuator_mask_free(&pEvdev->queue[i].touchMask); +#endif +} + +/* just a magic number to reduce the number of reads */ +#define NUM_EVENTS 16 + +static void +EvdevReadInput(InputInfoPtr pInfo) +{ + struct input_event ev[NUM_EVENTS]; + int i, len = sizeof(ev); + + while (len == sizeof(ev)) + { +#ifdef MULTITOUCH + EvdevPtr pEvdev = pInfo->private; + + if (pEvdev->mtdev) + len = mtdev_get(pEvdev->mtdev, pInfo->fd, ev, NUM_EVENTS) * + sizeof(struct input_event); + else +#endif + len = read(pInfo->fd, &ev, sizeof(ev)); + + if (len <= 0) + { + if (errno == ENODEV) /* May happen after resume */ + xf86RemoveEnabledDevice(pInfo); + else if (errno != EAGAIN) + { + /* We use X_NONE here because it doesn't alloc */ + xf86MsgVerb(X_NONE, 0, "%s: Read error: %s\n", pInfo->name, + strerror(errno)); + } + break; + } + + /* The kernel promises that we always only read a complete + * event, so len != sizeof ev is an error. */ + if (len % sizeof(ev[0])) { + /* We use X_NONE here because it doesn't alloc */ + xf86MsgVerb(X_NONE, 0, "%s: Read error: %s\n", pInfo->name, strerror(errno)); + break; + } + + for (i = 0; i < len/sizeof(ev[0]); i++) + EvdevProcessEvent(pInfo, &ev[i]); + } +} + +static void +EvdevPtrCtrlProc(DeviceIntPtr device, PtrCtrl *ctrl) +{ + /* Nothing to do, dix handles all settings */ +} + +static void +EvdevKbdCtrl(DeviceIntPtr device, KeybdCtrl *ctrl) +{ + static struct { int xbit, code; } bits[] = { + { CAPSFLAG, LED_CAPSL }, + { NUMFLAG, LED_NUML }, + { SCROLLFLAG, LED_SCROLLL }, + { MODEFLAG, LED_KANA }, + { COMPOSEFLAG, LED_COMPOSE } + }; + + InputInfoPtr pInfo; + struct input_event ev[ArrayLength(bits)]; + int i; + + memset(ev, 0, sizeof(ev)); + + pInfo = device->public.devicePrivate; + for (i = 0; i < ArrayLength(bits); i++) { + ev[i].type = EV_LED; + ev[i].code = bits[i].code; + ev[i].value = (ctrl->leds & bits[i].xbit) > 0; + } + + write(pInfo->fd, ev, sizeof ev); +} + +static int +EvdevAddKeyClass(DeviceIntPtr device) +{ + InputInfoPtr pInfo; + EvdevPtr pEvdev; + + pInfo = device->public.devicePrivate; + pEvdev = pInfo->private; + + /* sorry, no rules change allowed for you */ + xf86ReplaceStrOption(pInfo->options, "xkb_rules", "evdev"); + SetXkbOption(pInfo, "xkb_rules", &pEvdev->rmlvo.rules); + SetXkbOption(pInfo, "xkb_model", &pEvdev->rmlvo.model); + if (!pEvdev->rmlvo.model) + SetXkbOption(pInfo, "XkbModel", &pEvdev->rmlvo.model); + SetXkbOption(pInfo, "xkb_layout", &pEvdev->rmlvo.layout); + if (!pEvdev->rmlvo.layout) + SetXkbOption(pInfo, "XkbLayout", &pEvdev->rmlvo.layout); + SetXkbOption(pInfo, "xkb_variant", &pEvdev->rmlvo.variant); + if (!pEvdev->rmlvo.variant) + SetXkbOption(pInfo, "XkbVariant", &pEvdev->rmlvo.variant); + SetXkbOption(pInfo, "xkb_options", &pEvdev->rmlvo.options); + if (!pEvdev->rmlvo.options) + SetXkbOption(pInfo, "XkbOptions", &pEvdev->rmlvo.options); + + if (!InitKeyboardDeviceStruct(device, &pEvdev->rmlvo, NULL, EvdevKbdCtrl)) + return !Success; + + return Success; +} + +#ifdef MULTITOUCH +/* MT axes are counted twice - once as ABS_X (which the kernel keeps for + * backwards compatibility), once as ABS_MT_POSITION_X. So we need to keep a + * mapping of those axes to make sure we only count them once + */ +struct mt_axis_mappings { + int mt_code; + int code; + Bool needs_mapping; /* TRUE if both code and mt_code are present */ + int mapping; /* Logical mapping of 'code' axis */ +}; + +static struct mt_axis_mappings mt_axis_mappings[] = { + {ABS_MT_POSITION_X, ABS_X}, + {ABS_MT_POSITION_Y, ABS_Y}, + {ABS_MT_PRESSURE, ABS_PRESSURE}, + {ABS_MT_DISTANCE, ABS_DISTANCE}, +}; +#endif + +/** + * return TRUE if the axis is not one we should count as true axis + */ +static int +is_blacklisted_axis(int axis) +{ + switch(axis) + { + case ABS_MT_SLOT: + case ABS_MT_TRACKING_ID: + return TRUE; + default: + return FALSE; + } +} + + +static int +EvdevAddAbsValuatorClass(DeviceIntPtr device) +{ + InputInfoPtr pInfo; + EvdevPtr pEvdev; + int num_axes, axis, i = 0; + int num_mt_axes = 0, /* number of MT-only axes */ + num_mt_axes_total = 0; /* total number of MT axes, including + double-counted ones, excluding blacklisted */ + Atom *atoms; + + pInfo = device->public.devicePrivate; + pEvdev = pInfo->private; + + if (!EvdevBitIsSet(pEvdev->bitmask, EV_ABS)) + goto out; + + num_axes = EvdevCountBits(pEvdev->abs_bitmask, NLONGS(ABS_MAX)); + if (num_axes < 1) + goto out; + +#ifdef MULTITOUCH + for (axis = ABS_MT_SLOT; axis < ABS_MAX; axis++) + { + if (EvdevBitIsSet(pEvdev->abs_bitmask, axis)) + { + int j; + Bool skip = FALSE; + + for (j = 0; j < ArrayLength(mt_axis_mappings); j++) + { + if (mt_axis_mappings[j].mt_code == axis && + BitIsOn(pEvdev->abs_bitmask, mt_axis_mappings[j].code)) + { + mt_axis_mappings[j].needs_mapping = TRUE; + skip = TRUE; + } + } + + if (!is_blacklisted_axis(axis)) + { + num_mt_axes_total++; + if (!skip) + num_mt_axes++; + } + num_axes--; + } + } +#endif + if (num_axes + num_mt_axes > MAX_VALUATORS) { + xf86IDrvMsg(pInfo, X_WARNING, "found %d axes, limiting to %d.\n", num_axes, MAX_VALUATORS); + num_axes = MAX_VALUATORS; + } + + if (num_axes < 1 && num_mt_axes_total < 1) { + xf86Msg(X_WARNING, "%s: no absolute or touch axes found.\n", + device->name); + return !Success; + } + + pEvdev->num_vals = num_axes; + if (num_axes > 0) { + pEvdev->vals = valuator_mask_new(num_axes); + pEvdev->old_vals = valuator_mask_new(num_axes); + if (!pEvdev->vals || !pEvdev->old_vals) { + xf86IDrvMsg(pInfo, X_ERROR, "failed to allocate valuator masks.\n"); + goto out; + } + } +#ifdef MULTITOUCH + if (num_mt_axes_total > 0) { + pEvdev->num_mt_vals = num_mt_axes_total; + pEvdev->mt_mask = valuator_mask_new(num_mt_axes_total); + if (!pEvdev->mt_mask) { + xf86Msg(X_ERROR, "%s: failed to allocate MT valuator mask.\n", + device->name); + goto out; + } + + pEvdev->last_mt_vals = calloc(num_slots(pEvdev), sizeof(ValuatorMask *)); + if (!pEvdev->last_mt_vals) { + xf86IDrvMsg(pInfo, X_ERROR, + "%s: failed to allocate MT last values mask array.\n", + device->name); + goto out; + } + + for (i = 0; i < num_slots(pEvdev); i++) { + pEvdev->last_mt_vals[i] = valuator_mask_new(num_mt_axes_total); + if (!pEvdev->last_mt_vals[i]) { + xf86IDrvMsg(pInfo, X_ERROR, + "%s: failed to allocate MT last values mask.\n", + device->name); + goto out; + } + } + + for (i = 0; i < EVDEV_MAXQUEUE; i++) { + pEvdev->queue[i].touchMask = + valuator_mask_new(num_mt_axes_total); + if (!pEvdev->queue[i].touchMask) { + xf86Msg(X_ERROR, "%s: failed to allocate MT valuator masks for " + "evdev event queue.\n", device->name); + goto out; + } + } + } +#endif + atoms = malloc((pEvdev->num_vals + num_mt_axes) * sizeof(Atom)); + + i = 0; + for (axis = ABS_X; i < MAX_VALUATORS && axis <= ABS_MAX; axis++) { +#ifdef MULTITOUCH + int j; +#endif + int mapping; + pEvdev->axis_map[axis] = -1; + if (!EvdevBitIsSet(pEvdev->abs_bitmask, axis) || + is_blacklisted_axis(axis)) + continue; + + mapping = i; + +#ifdef MULTITOUCH + for (j = 0; j < ArrayLength(mt_axis_mappings); j++) + { + if (mt_axis_mappings[j].code == axis) + mt_axis_mappings[j].mapping = mapping; + else if (mt_axis_mappings[j].mt_code == axis && + mt_axis_mappings[j].needs_mapping) + mapping = mt_axis_mappings[j].mapping; + } +#endif + pEvdev->axis_map[axis] = mapping; + if (mapping == i) + i++; + } + + EvdevInitAxesLabels(pEvdev, Absolute, pEvdev->num_vals + num_mt_axes, atoms); + + if (!InitValuatorClassDeviceStruct(device, num_axes + num_mt_axes, atoms, + GetMotionHistorySize(), Absolute)) { + xf86IDrvMsg(pInfo, X_ERROR, "failed to initialize valuator class device.\n"); + goto out; + } + +#ifdef MULTITOUCH + if (num_mt_axes_total > 0) + { + int num_touches = 0; + int mode = pEvdev->flags & EVDEV_TOUCHPAD ? + XIDependentTouch : XIDirectTouch; + + if (pEvdev->mtdev->caps.slot.maximum > 0) + num_touches = pEvdev->mtdev->caps.slot.maximum - + pEvdev->mtdev->caps.slot.minimum + 1; + + if (!InitTouchClassDeviceStruct(device, num_touches, mode, + num_mt_axes_total)) { + xf86Msg(X_ERROR, "%s: failed to initialize touch class device.\n", + device->name); + goto out; + } + + for (i = 0; i < num_slots(pEvdev); i++) { + for (axis = ABS_MT_TOUCH_MAJOR; axis < ABS_MAX; axis++) { + if (pEvdev->axis_map[axis] >= 0) { + /* XXX: read initial values from mtdev when it adds support + * for doing so. */ + valuator_mask_set(pEvdev->last_mt_vals[i], + pEvdev->axis_map[axis], 0); + } + } + } + } +#endif + + for (axis = ABS_X; axis < ABS_MT_SLOT; axis++) { + int axnum = pEvdev->axis_map[axis]; + int resolution = 0; + + if (axnum == -1) + continue; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 30) + /* Kernel provides units/mm, X wants units/m */ + if (pEvdev->absinfo[axis].resolution) + resolution = pEvdev->absinfo[axis].resolution * 1000; +#endif + + xf86InitValuatorAxisStruct(device, axnum, + atoms[axnum], + pEvdev->absinfo[axis].minimum, + pEvdev->absinfo[axis].maximum, + resolution, 0, resolution, Absolute); + xf86InitValuatorDefaults(device, axnum); + } + +#ifdef MULTITOUCH + for (axis = ABS_MT_TOUCH_MAJOR; axis <= ABS_MAX; axis++) { + int axnum = pEvdev->axis_map[axis]; + int resolution = 0; + int j; + BOOL skip = FALSE; + + if (axnum < 0) + continue; + + for (j = 0; j < ArrayLength(mt_axis_mappings); j++) + if (mt_axis_mappings[j].mt_code == axis && + mt_axis_mappings[j].needs_mapping) + { + skip = TRUE; + break; + } + + /* MT axis is mapped, don't set up twice */ + if (skip) + continue; + + if (pEvdev->absinfo[axis].resolution) + resolution = pEvdev->absinfo[axis].resolution * 1000; + + xf86InitValuatorAxisStruct(device, axnum, + atoms[axnum], + pEvdev->absinfo[axis].minimum, + pEvdev->absinfo[axis].maximum, + resolution, 0, resolution, + Absolute); + } +#endif + + free(atoms); + + for (i = 0; i < ArrayLength(proximity_bits); i++) + { + if (!pEvdev->use_proximity) + break; + + if (EvdevBitIsSet(pEvdev->key_bitmask, proximity_bits[i])) + { + InitProximityClassDeviceStruct(device); + pEvdev->prox = valuator_mask_new(num_axes); + if (!pEvdev->prox) { + xf86IDrvMsg(pInfo, X_ERROR, + "failed to allocate proximity valuator " "mask.\n"); + goto out; + } + break; + } + } + + if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc)) { + xf86IDrvMsg(pInfo, X_ERROR, + "failed to initialize pointer feedback class device.\n"); + goto out; + } + + if (pEvdev->flags & EVDEV_TOUCHPAD) + pEvdev->flags |= EVDEV_RELATIVE_MODE; + else + pEvdev->flags &= ~EVDEV_RELATIVE_MODE; + + if (xf86FindOption(pInfo->options, "Mode")) + { + char *mode; + mode = xf86SetStrOption(pInfo->options, "Mode", NULL); + if (!strcasecmp("absolute", mode)) + pEvdev->flags &= ~EVDEV_RELATIVE_MODE; + else if (!strcasecmp("relative", mode)) + pEvdev->flags |= EVDEV_RELATIVE_MODE; + else + xf86IDrvMsg(pInfo, X_INFO, "unknown mode, use default\n"); + free(mode); + } + + return Success; + +out: + EvdevFreeMasks(pEvdev); + return !Success; +} + +static int +EvdevAddRelValuatorClass(DeviceIntPtr device) +{ + InputInfoPtr pInfo; + EvdevPtr pEvdev; + int num_axes, axis, i = 0; + Atom *atoms; + + pInfo = device->public.devicePrivate; + pEvdev = pInfo->private; + + if (!EvdevBitIsSet(pEvdev->bitmask, EV_REL)) + goto out; + + num_axes = EvdevCountBits(pEvdev->rel_bitmask, NLONGS(REL_MAX)); + if (num_axes < 1) + goto out; + +#ifndef HAVE_SMOOTH_SCROLLING + /* Wheels are special, we post them as button events. So let's ignore them + * in the axes list too */ + if (EvdevBitIsSet(pEvdev->rel_bitmask, REL_WHEEL)) + num_axes--; + if (EvdevBitIsSet(pEvdev->rel_bitmask, REL_HWHEEL)) + num_axes--; + if (EvdevBitIsSet(pEvdev->rel_bitmask, REL_DIAL)) + num_axes--; + + if (num_axes <= 0) + goto out; +#endif + + if (num_axes > MAX_VALUATORS) { + xf86IDrvMsg(pInfo, X_WARNING, "found %d axes, limiting to %d.\n", num_axes, MAX_VALUATORS); + num_axes = MAX_VALUATORS; + } + + pEvdev->num_vals = num_axes; + if (num_axes > 0) { + pEvdev->vals = valuator_mask_new(num_axes); + if (!pEvdev->vals) + goto out; + } + atoms = malloc(pEvdev->num_vals * sizeof(Atom)); + + for (axis = REL_X; i < MAX_VALUATORS && axis <= REL_MAX; axis++) + { + pEvdev->axis_map[axis] = -1; +#ifndef HAVE_SMOOTH_SCROLLING + /* We don't post wheel events, so ignore them here too */ + if (axis == REL_WHEEL || axis == REL_HWHEEL || axis == REL_DIAL) + continue; +#endif + if (!EvdevBitIsSet(pEvdev->rel_bitmask, axis)) + continue; + pEvdev->axis_map[axis] = i; + i++; + } + + EvdevInitAxesLabels(pEvdev, Relative, pEvdev->num_vals, atoms); + + if (!InitValuatorClassDeviceStruct(device, num_axes, atoms, + GetMotionHistorySize(), Relative)) { + xf86IDrvMsg(pInfo, X_ERROR, "failed to initialize valuator class device.\n"); + goto out; + } + + if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc)) { + xf86IDrvMsg(pInfo, X_ERROR, "failed to initialize pointer feedback class " + "device.\n"); + goto out; + } + + for (axis = REL_X; axis <= REL_MAX; axis++) + { + int axnum = pEvdev->axis_map[axis]; + + if (axnum == -1) + continue; + xf86InitValuatorAxisStruct(device, axnum, atoms[axnum], -1, -1, 1, 0, 1, + Relative); + xf86InitValuatorDefaults(device, axnum); +#ifdef HAVE_SMOOTH_SCROLLING + if (axis == REL_WHEEL) + SetScrollValuator(device, axnum, SCROLL_TYPE_VERTICAL, -1.0, SCROLL_FLAG_PREFERRED); + else if (axis == REL_DIAL) + SetScrollValuator(device, axnum, SCROLL_TYPE_VERTICAL, -1.0, SCROLL_FLAG_NONE); + else if (axis == REL_HWHEEL) + SetScrollValuator(device, axnum, SCROLL_TYPE_HORIZONTAL, 1.0, SCROLL_FLAG_NONE); +#endif + } + + free(atoms); + + return Success; + +out: + valuator_mask_free(&pEvdev->vals); + return !Success; +} + +static int +EvdevAddButtonClass(DeviceIntPtr device) +{ + InputInfoPtr pInfo; + EvdevPtr pEvdev; + Atom *labels; + + pInfo = device->public.devicePrivate; + pEvdev = pInfo->private; + + labels = malloc(pEvdev->num_buttons * sizeof(Atom)); + EvdevInitButtonLabels(pEvdev, pEvdev->num_buttons, labels); + + if (!InitButtonClassDeviceStruct(device, pEvdev->num_buttons, labels, + pEvdev->btnmap)) + return !Success; + + free(labels); + return Success; +} + +/** + * Init the button mapping for the device. By default, this is a 1:1 mapping, + * i.e. Button 1 maps to Button 1, Button 2 to 2, etc. + * + * If a mapping has been specified, the mapping is the default, with the + * user-defined ones overwriting the defaults. + * i.e. a user-defined mapping of "3 2 1" results in a mapping of 3 2 1 4 5 6 ... + * + * Invalid button mappings revert to the default. + * + * Note that index 0 is unused, button 0 does not exist. + * This mapping is initialised for all devices, but only applied if the device + * has buttons (in EvdevAddButtonClass). + */ +static void +EvdevInitButtonMapping(InputInfoPtr pInfo) +{ + int i, nbuttons = 1; + char *mapping = NULL; + EvdevPtr pEvdev = pInfo->private; + + /* Check for user-defined button mapping */ + if ((mapping = xf86CheckStrOption(pInfo->options, "ButtonMapping", NULL))) + { + char *map, *s = NULL; + int btn = 0; + + xf86IDrvMsg(pInfo, X_CONFIG, "ButtonMapping '%s'\n", mapping); + map = mapping; + do + { + btn = strtol(map, &s, 10); + + if (s == map || btn < 0 || btn > EVDEV_MAXBUTTONS) + { + xf86IDrvMsg(pInfo, X_ERROR, + "... Invalid button mapping. Using defaults\n"); + nbuttons = 1; /* ensure defaults start at 1 */ + break; + } + + pEvdev->btnmap[nbuttons++] = btn; + map = s; + } while (s && *s != '\0' && nbuttons < EVDEV_MAXBUTTONS); + free(mapping); + } + + for (i = nbuttons; i < ArrayLength(pEvdev->btnmap); i++) + pEvdev->btnmap[i] = i; + +} + +static void +EvdevInitAnyValuators(DeviceIntPtr device, EvdevPtr pEvdev) +{ + InputInfoPtr pInfo = device->public.devicePrivate; + + if (pEvdev->flags & EVDEV_RELATIVE_EVENTS && + EvdevAddRelValuatorClass(device) == Success) + xf86IDrvMsg(pInfo, X_INFO, "initialized for relative axes.\n"); + if (pEvdev->flags & EVDEV_ABSOLUTE_EVENTS && + EvdevAddAbsValuatorClass(device) == Success) + xf86IDrvMsg(pInfo, X_INFO, "initialized for absolute axes.\n"); +} + +static void +EvdevInitAbsValuators(DeviceIntPtr device, EvdevPtr pEvdev) +{ + InputInfoPtr pInfo = device->public.devicePrivate; + + if (EvdevAddAbsValuatorClass(device) == Success) { + xf86IDrvMsg(pInfo, X_INFO,"initialized for absolute axes.\n"); + } else { + xf86IDrvMsg(pInfo, X_ERROR,"failed to initialize for absolute axes.\n"); + pEvdev->flags &= ~EVDEV_ABSOLUTE_EVENTS; + } +} + +static void +EvdevInitRelValuators(DeviceIntPtr device, EvdevPtr pEvdev) +{ + InputInfoPtr pInfo = device->public.devicePrivate; + int has_abs_axes = pEvdev->flags & EVDEV_ABSOLUTE_EVENTS; + + if (EvdevAddRelValuatorClass(device) == Success) { + + xf86IDrvMsg(pInfo, X_INFO,"initialized for relative axes.\n"); + + if (has_abs_axes) { + xf86IDrvMsg(pInfo, X_WARNING,"ignoring absolute axes.\n"); + pEvdev->flags &= ~EVDEV_ABSOLUTE_EVENTS; + } + + } else { + xf86IDrvMsg(pInfo, X_ERROR,"failed to initialize for relative axes.\n"); + + pEvdev->flags &= ~EVDEV_RELATIVE_EVENTS; + + if (has_abs_axes) + EvdevInitAbsValuators(device, pEvdev); + } +} + +static void +EvdevInitTouchDevice(DeviceIntPtr device, EvdevPtr pEvdev) +{ + InputInfoPtr pInfo = device->public.devicePrivate; + + if (pEvdev->flags & EVDEV_RELATIVE_EVENTS) { + xf86IDrvMsg(pInfo, X_WARNING, "touchpads, tablets and touchscreens " + "ignore relative axes.\n"); + pEvdev->flags &= ~EVDEV_RELATIVE_EVENTS; + } + + EvdevInitAbsValuators(device, pEvdev); +} + +static int +EvdevInit(DeviceIntPtr device) +{ + int i; + InputInfoPtr pInfo; + EvdevPtr pEvdev; + + pInfo = device->public.devicePrivate; + pEvdev = pInfo->private; + + /* clear all axis_map entries */ + for(i = 0; i < max(ABS_CNT,REL_CNT); i++) + pEvdev->axis_map[i]=-1; + + if (pEvdev->flags & EVDEV_KEYBOARD_EVENTS) + EvdevAddKeyClass(device); + if (pEvdev->flags & EVDEV_BUTTON_EVENTS) + EvdevAddButtonClass(device); + + /* We don't allow relative and absolute axes on the same device. The + * reason is that some devices (MS Optical Desktop 2000) register both + * rel and abs axes for x/y. + * + * The abs axes register min/max; this min/max then also applies to the + * relative device (the mouse) and caps it at 0..255 for both axes. + * 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 + * as a touch{pad,screen}. Thus, given such a device, absolute axes are + * used and relative axes are ignored. + */ + + if (pEvdev->flags & (EVDEV_UNIGNORE_RELATIVE | EVDEV_UNIGNORE_ABSOLUTE)) + EvdevInitAnyValuators(device, pEvdev); + else if (pEvdev->flags & (EVDEV_TOUCHPAD | EVDEV_TOUCHSCREEN | EVDEV_TABLET)) + EvdevInitTouchDevice(device, pEvdev); + else if (pEvdev->flags & EVDEV_RELATIVE_EVENTS) + EvdevInitRelValuators(device, pEvdev); + else if (pEvdev->flags & EVDEV_ABSOLUTE_EVENTS) + EvdevInitAbsValuators(device, pEvdev); + + /* We drop the return value, the only time we ever want the handlers to + * unregister is when the device dies. In which case we don't have to + * unregister anyway */ + EvdevInitProperty(device); + XIRegisterPropertyHandler(device, EvdevSetProperty, NULL, NULL); + EvdevMBEmuInitProperty(device); + Evdev3BEmuInitProperty(device); + EvdevWheelEmuInitProperty(device); + EvdevDragLockInitProperty(device); + EvdevAppleInitProperty(device); + + return Success; +} + +/** + * Init all extras (wheel emulation, etc.) and grab the device. + */ +static int +EvdevOn(DeviceIntPtr device) +{ + InputInfoPtr pInfo; + EvdevPtr pEvdev; + int rc = Success; + + pInfo = device->public.devicePrivate; + pEvdev = pInfo->private; + /* after PreInit fd is still open */ + rc = EvdevOpenDevice(pInfo); + if (rc != Success) + return rc; + + EvdevGrabDevice(pInfo, 1, 0); + + xf86FlushInput(pInfo->fd); + xf86AddEnabledDevice(pInfo); + EvdevMBEmuOn(pInfo); + Evdev3BEmuOn(pInfo); + pEvdev->flags |= EVDEV_INITIALIZED; + device->public.on = TRUE; + + return Success; +} + + +static int +EvdevProc(DeviceIntPtr device, int what) +{ + InputInfoPtr pInfo; + EvdevPtr pEvdev; + + pInfo = device->public.devicePrivate; + pEvdev = pInfo->private; + + switch (what) + { + case DEVICE_INIT: + return EvdevInit(device); + + case DEVICE_ON: + return EvdevOn(device); + + case DEVICE_OFF: + if (pEvdev->flags & EVDEV_INITIALIZED) + { + EvdevMBEmuFinalize(pInfo); + Evdev3BEmuFinalize(pInfo); + } + if (pInfo->fd != -1) + { + EvdevGrabDevice(pInfo, 0, 1); + xf86RemoveEnabledDevice(pInfo); + EvdevCloseDevice(pInfo); + } + pEvdev->min_maj = 0; + pEvdev->flags &= ~EVDEV_INITIALIZED; + device->public.on = FALSE; + break; + + case DEVICE_CLOSE: + xf86IDrvMsg(pInfo, X_INFO, "Close\n"); + EvdevCloseDevice(pInfo); + EvdevFreeMasks(pEvdev); + EvdevRemoveDevice(pInfo); + pEvdev->min_maj = 0; + break; + + default: + return BadValue; + } + + return Success; +} + +/** + * Get as much information as we can from the fd and cache it. + * + * @return Success if the information was cached, or !Success otherwise. + */ +static int +EvdevCache(InputInfoPtr pInfo) +{ + EvdevPtr pEvdev = pInfo->private; + int i, len; + struct input_id id; + + char name[1024] = {0}; + unsigned long bitmask[NLONGS(EV_CNT)] = {0}; + unsigned long key_bitmask[NLONGS(KEY_CNT)] = {0}; + unsigned long rel_bitmask[NLONGS(REL_CNT)] = {0}; + unsigned long abs_bitmask[NLONGS(ABS_CNT)] = {0}; + unsigned long led_bitmask[NLONGS(LED_CNT)] = {0}; + + + if (ioctl(pInfo->fd, EVIOCGID, &id) < 0) + { + xf86IDrvMsg(pInfo, X_ERROR, "ioctl EVIOCGID failed: %s\n", strerror(errno)); + goto error; + } + + pEvdev->id_vendor = id.vendor; + pEvdev->id_product = id.product; + + if (ioctl(pInfo->fd, EVIOCGNAME(sizeof(name) - 1), name) < 0) { + xf86IDrvMsg(pInfo, X_ERROR, "ioctl EVIOCGNAME failed: %s\n", strerror(errno)); + goto error; + } + + strcpy(pEvdev->name, name); + + len = ioctl(pInfo->fd, EVIOCGBIT(0, sizeof(bitmask)), bitmask); + if (len < 0) { + xf86IDrvMsg(pInfo, X_ERROR, "ioctl EVIOCGBIT failed: %s\n", + strerror(errno)); + goto error; + } + + memcpy(pEvdev->bitmask, bitmask, len); + + len = ioctl(pInfo->fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask); + if (len < 0) { + xf86IDrvMsg(pInfo, X_ERROR, "ioctl EVIOCGBIT failed: %s\n", + strerror(errno)); + goto error; + } + + memcpy(pEvdev->rel_bitmask, rel_bitmask, len); + + len = ioctl(pInfo->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask); + if (len < 0) { + xf86IDrvMsg(pInfo, X_ERROR, "ioctl EVIOCGBIT failed: %s\n", + strerror(errno)); + goto error; + } + + memcpy(pEvdev->abs_bitmask, abs_bitmask, len); + + len = ioctl(pInfo->fd, EVIOCGBIT(EV_LED, sizeof(led_bitmask)), led_bitmask); + if (len < 0) { + xf86IDrvMsg(pInfo, X_ERROR, "ioctl EVIOCGBIT failed: %s\n", + strerror(errno)); + goto error; + } + + memcpy(pEvdev->led_bitmask, led_bitmask, len); + + /* + * Do not try to validate absinfo data since it is not expected + * to be static, always refresh it in evdev structure. + */ + for (i = ABS_X; i <= ABS_MAX; i++) { + if (EvdevBitIsSet(abs_bitmask, i)) { + len = ioctl(pInfo->fd, EVIOCGABS(i), &pEvdev->absinfo[i]); + if (len < 0) { + xf86IDrvMsg(pInfo, X_ERROR, "ioctl EVIOCGABSi(%d) failed: %s\n", + i, strerror(errno)); + goto error; + } + xf86IDrvMsgVerb(pInfo, X_PROBED, 6, "absolute axis %#x [%d..%d]\n", + i, pEvdev->absinfo[i].maximum, pEvdev->absinfo[i].minimum); + } + } + + len = ioctl(pInfo->fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask); + if (len < 0) { + xf86IDrvMsg(pInfo, X_ERROR, "ioctl EVIOCGBIT failed: %s\n", + strerror(errno)); + goto error; + } + + /* Copy the data so we have reasonably up-to-date info */ + memcpy(pEvdev->key_bitmask, key_bitmask, len); + + return Success; + +error: + return !Success; + +} + +/** + * Issue an EVIOCGRAB on the device file, either as a grab or to ungrab, or + * both. Return TRUE on success, otherwise FALSE. Failing the release is a + * still considered a success, because it's not as if you could do anything + * about it. + */ +static BOOL +EvdevGrabDevice(InputInfoPtr pInfo, int grab, int ungrab) +{ + EvdevPtr pEvdev = pInfo->private; + + if (pEvdev->grabDevice) + { + if (grab && ioctl(pInfo->fd, EVIOCGRAB, (void *)1)) { + xf86IDrvMsg(pInfo, X_WARNING, "Grab failed (%s)\n", + strerror(errno)); + return FALSE; + } else if (ungrab && ioctl(pInfo->fd, EVIOCGRAB, (void *)0)) + xf86IDrvMsg(pInfo, X_WARNING, "Release failed (%s)\n", + strerror(errno)); + } + + return TRUE; +} + +/** + * Some devices only have other axes (e.g. wheels), but we + * still need x/y for these. The server relies on devices having + * x/y as axes 0/1 and core/XI 1.x clients expect it too (#44655) + */ +static void +EvdevForceXY(InputInfoPtr pInfo, int mode) +{ + EvdevPtr pEvdev = pInfo->private; + + xf86IDrvMsg(pInfo, X_INFO, "Forcing %s x/y axes to exist.\n", + (mode == Relative) ? "relative" : "absolute"); + + if (mode == Relative) + { + EvdevSetBit(pEvdev->rel_bitmask, REL_X); + EvdevSetBit(pEvdev->rel_bitmask, REL_Y); + } else if (mode == Absolute) + { + EvdevSetBit(pEvdev->abs_bitmask, ABS_X); + EvdevSetBit(pEvdev->abs_bitmask, ABS_Y); + pEvdev->absinfo[ABS_X].minimum = 0; + pEvdev->absinfo[ABS_X].maximum = 1000; + pEvdev->absinfo[ABS_X].value = 0; + pEvdev->absinfo[ABS_X].resolution = 0; + pEvdev->absinfo[ABS_Y].minimum = 0; + pEvdev->absinfo[ABS_Y].maximum = 1000; + pEvdev->absinfo[ABS_Y].value = 0; + pEvdev->absinfo[ABS_Y].resolution = 0; + } +} + +static int +EvdevProbe(InputInfoPtr pInfo) +{ + int i, has_rel_axes, has_abs_axes, has_keys, num_buttons, has_scroll; + int has_lmr; /* left middle right */ + int has_mt; /* multitouch */ + int ignore_abs = 0, ignore_rel = 0; + EvdevPtr pEvdev = pInfo->private; + int rc = 1; + + xf86IDrvMsg(pInfo, X_PROBED, "Vendor %#hx Product %#hx\n", + pEvdev->id_vendor, pEvdev->id_product); + + /* Trinary state for ignoring axes: + - unset: do the normal thing. + - TRUE: explicitly ignore them. + - FALSE: unignore axes, use them at all cost if they're present. + */ + if (xf86FindOption(pInfo->options, "IgnoreRelativeAxes")) + { + if (xf86SetBoolOption(pInfo->options, "IgnoreRelativeAxes", FALSE)) + ignore_rel = TRUE; + else + pEvdev->flags |= EVDEV_UNIGNORE_RELATIVE; + + } + if (xf86FindOption(pInfo->options, "IgnoreAbsoluteAxes")) + { + if (xf86SetBoolOption(pInfo->options, "IgnoreAbsoluteAxes", FALSE)) + ignore_abs = TRUE; + else + pEvdev->flags |= EVDEV_UNIGNORE_ABSOLUTE; + } + + has_rel_axes = FALSE; + has_abs_axes = FALSE; + has_keys = FALSE; + has_scroll = FALSE; + has_lmr = FALSE; + has_mt = FALSE; + num_buttons = 0; + + /* count all buttons */ + for (i = BTN_MISC; i < BTN_JOYSTICK; i++) + { + int mapping = 0; + if (EvdevBitIsSet(pEvdev->key_bitmask, i)) + { + mapping = EvdevUtilButtonEventToButtonNumber(pEvdev, i); + if (mapping > num_buttons) + num_buttons = mapping; + } + } + + has_lmr = EvdevBitIsSet(pEvdev->key_bitmask, BTN_LEFT) || + EvdevBitIsSet(pEvdev->key_bitmask, BTN_MIDDLE) || + EvdevBitIsSet(pEvdev->key_bitmask, BTN_RIGHT); + + if (num_buttons) + { + pEvdev->flags |= EVDEV_BUTTON_EVENTS; + pEvdev->num_buttons = num_buttons; + xf86IDrvMsg(pInfo, X_PROBED, "Found %d mouse buttons\n", num_buttons); + } + + for (i = 0; i < REL_MAX; i++) { + if (EvdevBitIsSet(pEvdev->rel_bitmask, i)) { + has_rel_axes = TRUE; + break; + } + } + + if (has_rel_axes) { + if (EvdevBitIsSet(pEvdev->rel_bitmask, REL_WHEEL) || + EvdevBitIsSet(pEvdev->rel_bitmask, REL_HWHEEL) || + EvdevBitIsSet(pEvdev->rel_bitmask, REL_DIAL)) { + xf86IDrvMsg(pInfo, X_PROBED, "Found scroll wheel(s)\n"); + has_scroll = TRUE; + if (!num_buttons) + xf86IDrvMsg(pInfo, X_INFO, + "Forcing buttons for scroll wheel(s)\n"); + num_buttons = (num_buttons < 3) ? 7 : num_buttons + 4; + pEvdev->num_buttons = num_buttons; + } + + if (!ignore_rel) + { + xf86IDrvMsg(pInfo, X_PROBED, "Found relative axes\n"); + pEvdev->flags |= EVDEV_RELATIVE_EVENTS; + + if (EvdevBitIsSet(pEvdev->rel_bitmask, REL_X) && + EvdevBitIsSet(pEvdev->rel_bitmask, REL_Y)) { + xf86IDrvMsg(pInfo, X_PROBED, "Found x and y relative axes\n"); + } else if (!EvdevBitIsSet(pEvdev->abs_bitmask, ABS_X) || + !EvdevBitIsSet(pEvdev->abs_bitmask, ABS_Y)) + EvdevForceXY(pInfo, Relative); + } else { + xf86IDrvMsg(pInfo, X_INFO, "Relative axes present but ignored.\n"); + has_rel_axes = FALSE; + } + } + + for (i = 0; i < ABS_MAX; i++) { + if (EvdevBitIsSet(pEvdev->abs_bitmask, i)) { + has_abs_axes = TRUE; + break; + } + } + +#ifdef MULTITOUCH + for (i = ABS_MT_SLOT; i < ABS_MAX; i++) { + if (EvdevBitIsSet(pEvdev->abs_bitmask, i)) { + has_mt = TRUE; + break; + } + } +#endif + + if (ignore_abs && has_abs_axes) + { + xf86IDrvMsg(pInfo, X_INFO, "Absolute axes present but ignored.\n"); + has_abs_axes = FALSE; + } else if (has_abs_axes) { + xf86IDrvMsg(pInfo, X_PROBED, "Found absolute axes\n"); + pEvdev->flags |= EVDEV_ABSOLUTE_EVENTS; + + if (has_mt) + xf86IDrvMsg(pInfo, X_PROBED, "Found absolute multitouch axes\n"); + + if ((EvdevBitIsSet(pEvdev->abs_bitmask, ABS_X) && + EvdevBitIsSet(pEvdev->abs_bitmask, ABS_Y))) { + xf86IDrvMsg(pInfo, X_PROBED, "Found x and y absolute axes\n"); + if (EvdevBitIsSet(pEvdev->key_bitmask, BTN_TOOL_PEN) || + EvdevBitIsSet(pEvdev->key_bitmask, BTN_STYLUS) || + EvdevBitIsSet(pEvdev->key_bitmask, BTN_STYLUS2)) + { + xf86IDrvMsg(pInfo, X_PROBED, "Found absolute tablet.\n"); + pEvdev->flags |= EVDEV_TABLET; + if (!pEvdev->num_buttons) + { + pEvdev->num_buttons = 7; /* LMR + scroll wheels */ + pEvdev->flags |= EVDEV_BUTTON_EVENTS; + } + } else if (EvdevBitIsSet(pEvdev->abs_bitmask, ABS_PRESSURE) || + EvdevBitIsSet(pEvdev->key_bitmask, BTN_TOUCH)) { + if (has_lmr || EvdevBitIsSet(pEvdev->key_bitmask, BTN_TOOL_FINGER)) { + xf86IDrvMsg(pInfo, X_PROBED, "Found absolute touchpad.\n"); + pEvdev->flags |= EVDEV_TOUCHPAD; + } else { + xf86IDrvMsg(pInfo, X_PROBED, "Found absolute touchscreen\n"); + pEvdev->flags |= EVDEV_TOUCHSCREEN; + pEvdev->flags |= EVDEV_BUTTON_EVENTS; + } + } else if (!(EvdevBitIsSet(pEvdev->rel_bitmask, REL_X) && + EvdevBitIsSet(pEvdev->rel_bitmask, REL_Y)) && has_lmr) { + /* some touchscreens use BTN_LEFT rather than BTN_TOUCH */ + xf86IDrvMsg(pInfo, X_PROBED, "Found absolute touchscreen\n"); + pEvdev->flags |= EVDEV_TOUCHSCREEN; + pEvdev->flags |= EVDEV_BUTTON_EVENTS; + } + } else { +#ifdef MULTITOUCH + if (!EvdevBitIsSet(pEvdev->abs_bitmask, ABS_MT_POSITION_X) || + !EvdevBitIsSet(pEvdev->abs_bitmask, ABS_MT_POSITION_Y)) +#endif + EvdevForceXY(pInfo, Absolute); + } + + + + } + + for (i = 0; i < BTN_MISC; i++) { + if (EvdevBitIsSet(pEvdev->key_bitmask, i)) { + xf86IDrvMsg(pInfo, X_PROBED, "Found keys\n"); + pEvdev->flags |= EVDEV_KEYBOARD_EVENTS; + has_keys = TRUE; + break; + } + } + + if (has_rel_axes || has_abs_axes) + { + char *str; + int num_calibration = 0, calibration[4] = { 0, 0, 0, 0 }; + + pEvdev->invert_x = xf86SetBoolOption(pInfo->options, "InvertX", FALSE); + pEvdev->invert_y = xf86SetBoolOption(pInfo->options, "InvertY", FALSE); + pEvdev->swap_axes = xf86SetBoolOption(pInfo->options, "SwapAxes", FALSE); + + str = xf86CheckStrOption(pInfo->options, "Calibration", NULL); + if (str) { + num_calibration = sscanf(str, "%d %d %d %d", + &calibration[0], &calibration[1], + &calibration[2], &calibration[3]); + free(str); + if (num_calibration == 4) + EvdevSetCalibration(pInfo, num_calibration, calibration); + else + xf86IDrvMsg(pInfo, X_ERROR, + "Insufficient calibration factors (%d). Ignoring calibration\n", + num_calibration); + } + } + + if (has_rel_axes || has_abs_axes || num_buttons) { + pInfo->flags |= XI86_SEND_DRAG_EVENTS; + if (pEvdev->flags & EVDEV_TOUCHPAD) { + xf86IDrvMsg(pInfo, X_INFO, "Configuring as touchpad\n"); + pInfo->type_name = XI_TOUCHPAD; + pEvdev->use_proximity = 0; + } else if (pEvdev->flags & EVDEV_TABLET) { + xf86IDrvMsg(pInfo, X_INFO, "Configuring as tablet\n"); + pInfo->type_name = XI_TABLET; + } else if (pEvdev->flags & EVDEV_TOUCHSCREEN) { + xf86IDrvMsg(pInfo, X_INFO, "Configuring as touchscreen\n"); + pInfo->type_name = XI_TOUCHSCREEN; + } else { + if (!EvdevBitIsSet(pEvdev->rel_bitmask, REL_X) || + !EvdevBitIsSet(pEvdev->rel_bitmask, REL_Y)) + EvdevForceXY(pInfo, Relative); + xf86IDrvMsg(pInfo, X_INFO, "Configuring as mouse\n"); + pInfo->type_name = XI_MOUSE; + } + + rc = 0; + } + + if (has_keys) { + xf86IDrvMsg(pInfo, X_INFO, "Configuring as keyboard\n"); + pInfo->type_name = XI_KEYBOARD; + rc = 0; + } + + if (has_scroll && + (has_rel_axes || has_abs_axes || num_buttons || has_keys)) + { + xf86IDrvMsg(pInfo, X_INFO, "Adding scrollwheel support\n"); + pEvdev->flags |= EVDEV_BUTTON_EVENTS; + pEvdev->flags |= EVDEV_RELATIVE_EVENTS; + } + + if (rc) + xf86IDrvMsg(pInfo, X_WARNING, "Don't know how to use device\n"); + + return rc; +} + +static void +EvdevSetCalibration(InputInfoPtr pInfo, int num_calibration, int calibration[4]) +{ + EvdevPtr pEvdev = pInfo->private; + + if (num_calibration == 0) { + pEvdev->flags &= ~EVDEV_CALIBRATED; + pEvdev->calibration.min_x = 0; + pEvdev->calibration.max_x = 0; + pEvdev->calibration.min_y = 0; + pEvdev->calibration.max_y = 0; + } else if (num_calibration == 4) { + pEvdev->flags |= EVDEV_CALIBRATED; + pEvdev->calibration.min_x = calibration[0]; + pEvdev->calibration.max_x = calibration[1]; + pEvdev->calibration.min_y = calibration[2]; + pEvdev->calibration.max_y = calibration[3]; + } +} + +static int +EvdevOpenDevice(InputInfoPtr pInfo) +{ + EvdevPtr pEvdev = pInfo->private; + char *device = pEvdev->device; + + if (!device) + { + device = xf86CheckStrOption(pInfo->options, "Device", NULL); + if (!device) { + xf86IDrvMsg(pInfo, X_ERROR, "No device specified.\n"); + return BadValue; + } + + pEvdev->device = device; + xf86IDrvMsg(pInfo, X_CONFIG, "Device: \"%s\"\n", device); + } + + if (pInfo->fd < 0) + { + do { + pInfo->fd = open(device, O_RDWR | O_NONBLOCK, 0); + } while (pInfo->fd < 0 && errno == EINTR); + + if (pInfo->fd < 0) { + xf86IDrvMsg(pInfo, X_ERROR, "Unable to open evdev device \"%s\".\n", device); + return BadValue; + } + } + +#ifdef MULTITOUCH + if (!pEvdev->mtdev) { /* after PreInit mtdev is still valid */ + pEvdev->mtdev = mtdev_new_open(pInfo->fd); + if (!pEvdev->mtdev) { + xf86Msg(X_ERROR, "%s: Couldn't open mtdev device\n", pInfo->name); + EvdevCloseDevice(pInfo); + return FALSE; + } + } + if (pEvdev->mtdev) + pEvdev->cur_slot = pEvdev->mtdev->caps.slot.value; +#endif + + /* Check major/minor of device node to avoid adding duplicate devices. */ + pEvdev->min_maj = EvdevGetMajorMinor(pInfo); + if (EvdevIsDuplicate(pInfo)) + { + xf86IDrvMsg(pInfo, X_WARNING, "device file is duplicate. Ignoring.\n"); + EvdevCloseDevice(pInfo); + return BadMatch; + } + + return Success; +} + +static void +EvdevCloseDevice(InputInfoPtr pInfo) +{ + EvdevPtr pEvdev = pInfo->private; + if (pInfo->fd >= 0) + { + close(pInfo->fd); + pInfo->fd = -1; + } + +#ifdef MULTITOUCH + if (pEvdev->mtdev) + { + mtdev_close_delete(pEvdev->mtdev); + pEvdev->mtdev = NULL; + } +#endif + +} + + +static void +EvdevUnInit(InputDriverPtr drv, InputInfoPtr pInfo, int flags) +{ + EvdevPtr pEvdev = pInfo ? pInfo->private : NULL; + if (pEvdev) + { + /* Release strings allocated in EvdevAddKeyClass. */ + XkbFreeRMLVOSet(&pEvdev->rmlvo, FALSE); + /* Release string allocated in EvdevOpenDevice. */ + free(pEvdev->device); + pEvdev->device = NULL; + } + xf86DeleteInput(pInfo, flags); +} + +static int +EvdevPreInit(InputDriverPtr drv, InputInfoPtr pInfo, int flags) +{ + EvdevPtr pEvdev; + int rc = BadAlloc; + + if (!(pEvdev = calloc(sizeof(EvdevRec), 1))) + goto error; + + pInfo->private = pEvdev; + pInfo->type_name = "UNKNOWN"; + pInfo->device_control = EvdevProc; + pInfo->read_input = EvdevReadInput; + pInfo->switch_mode = EvdevSwitchMode; + + rc = EvdevOpenDevice(pInfo); + if (rc != Success) + goto error; + +#ifdef MULTITOUCH + pEvdev->cur_slot = -1; +#endif + + /* + * We initialize pEvdev->in_proximity to 1 so that device that doesn't use + * proximity will still report events. + */ + pEvdev->in_proximity = 1; + pEvdev->use_proximity = 1; + + /* 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(pInfo->options, "GrabDevice", 0); + + /* If grabDevice is set, ungrab immediately since we only want to grab + * between DEVICE_ON and DEVICE_OFF. If we never get DEVICE_ON, don't + * hold a grab. */ + if (!EvdevGrabDevice(pInfo, 1, 1)) + { + xf86IDrvMsg(pInfo, X_WARNING, "Device may already be configured.\n"); + rc = BadMatch; + goto error; + } + + EvdevInitButtonMapping(pInfo); + + if (EvdevCache(pInfo) || EvdevProbe(pInfo)) { + rc = BadMatch; + goto error; + } + + EvdevAddDevice(pInfo); + + if (pEvdev->flags & EVDEV_BUTTON_EVENTS) + { + EvdevMBEmuPreInit(pInfo); + Evdev3BEmuPreInit(pInfo); + EvdevWheelEmuPreInit(pInfo); + EvdevDragLockPreInit(pInfo); + } + + return Success; + +error: + EvdevCloseDevice(pInfo); + return rc; +} + +_X_EXPORT InputDriverRec EVDEV = { + 1, + "evdev", + NULL, + EvdevPreInit, + EvdevUnInit, + NULL, + evdevDefaults +}; + +static void +EvdevUnplug(pointer p) +{ +} + +static pointer +EvdevPlug(pointer module, + pointer options, + int *errmaj, + int *errmin) +{ + xf86AddInputDriver(&EVDEV, module, 0); + return module; +} + +static XF86ModuleVersionInfo EvdevVersionRec = +{ + "evdev", + MODULEVENDORSTRING, + MODINFOSTRING1, + MODINFOSTRING2, + XORG_VERSION_CURRENT, + PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCHLEVEL, + ABI_CLASS_XINPUT, + ABI_XINPUT_VERSION, + MOD_CLASS_XINPUT, + {0, 0, 0, 0} +}; + +_X_EXPORT XF86ModuleData evdevModuleData = +{ + &EvdevVersionRec, + EvdevPlug, + EvdevUnplug +}; + + +/* Return an index value for a given button event code + * returns 0 on non-button event. + */ +unsigned int +EvdevUtilButtonEventToButtonNumber(EvdevPtr pEvdev, int code) +{ + switch (code) + { + /* Mouse buttons */ + case BTN_LEFT: + return 1; + case BTN_MIDDLE: + return 2; + case BTN_RIGHT: + return 3; + case BTN_SIDE ... BTN_JOYSTICK - 1: + return 8 + code - BTN_SIDE; + + /* Generic buttons */ + case BTN_0 ... BTN_2: + return 1 + code - BTN_0; + case BTN_3 ... BTN_MOUSE - 1: + return 8 + code - BTN_3; + + /* Tablet stylus buttons */ + case BTN_TOUCH ... BTN_STYLUS2: + return 1 + code - BTN_TOUCH; + + /* The rest */ + default: + /* Ignore */ + return 0; + } +} + +/* Aligned with linux/input.h. + Note that there are holes in the ABS_ range, these are simply replaced with + MISC here */ +static const char *abs_labels[] = { + AXIS_LABEL_PROP_ABS_X, /* 0x00 */ + AXIS_LABEL_PROP_ABS_Y, /* 0x01 */ + AXIS_LABEL_PROP_ABS_Z, /* 0x02 */ + AXIS_LABEL_PROP_ABS_RX, /* 0x03 */ + AXIS_LABEL_PROP_ABS_RY, /* 0x04 */ + AXIS_LABEL_PROP_ABS_RZ, /* 0x05 */ + AXIS_LABEL_PROP_ABS_THROTTLE, /* 0x06 */ + AXIS_LABEL_PROP_ABS_RUDDER, /* 0x07 */ + AXIS_LABEL_PROP_ABS_WHEEL, /* 0x08 */ + AXIS_LABEL_PROP_ABS_GAS, /* 0x09 */ + AXIS_LABEL_PROP_ABS_BRAKE, /* 0x0a */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_HAT0X, /* 0x10 */ + AXIS_LABEL_PROP_ABS_HAT0Y, /* 0x11 */ + AXIS_LABEL_PROP_ABS_HAT1X, /* 0x12 */ + AXIS_LABEL_PROP_ABS_HAT1Y, /* 0x13 */ + AXIS_LABEL_PROP_ABS_HAT2X, /* 0x14 */ + AXIS_LABEL_PROP_ABS_HAT2Y, /* 0x15 */ + AXIS_LABEL_PROP_ABS_HAT3X, /* 0x16 */ + AXIS_LABEL_PROP_ABS_HAT3Y, /* 0x17 */ + AXIS_LABEL_PROP_ABS_PRESSURE, /* 0x18 */ + AXIS_LABEL_PROP_ABS_DISTANCE, /* 0x19 */ + AXIS_LABEL_PROP_ABS_TILT_X, /* 0x1a */ + AXIS_LABEL_PROP_ABS_TILT_Y, /* 0x1b */ + AXIS_LABEL_PROP_ABS_TOOL_WIDTH, /* 0x1c */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_VOLUME /* 0x20 */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MISC, /* undefined */ + AXIS_LABEL_PROP_ABS_MT_TOUCH_MAJOR, /* 0x30 */ + AXIS_LABEL_PROP_ABS_MT_TOUCH_MINOR, /* 0x31 */ + AXIS_LABEL_PROP_ABS_MT_WIDTH_MAJOR, /* 0x32 */ + AXIS_LABEL_PROP_ABS_MT_WIDTH_MINOR, /* 0x33 */ + AXIS_LABEL_PROP_ABS_MT_ORIENTATION, /* 0x34 */ + AXIS_LABEL_PROP_ABS_MT_POSITION_X, /* 0x35 */ + AXIS_LABEL_PROP_ABS_MT_POSITION_Y, /* 0x36 */ + AXIS_LABEL_PROP_ABS_MT_TOOL_TYPE, /* 0x37 */ + AXIS_LABEL_PROP_ABS_MT_BLOB_ID, /* 0x38 */ + AXIS_LABEL_PROP_ABS_MT_TRACKING_ID, /* 0x39 */ + AXIS_LABEL_PROP_ABS_MT_PRESSURE, /* 0x3a */ +}; + +static const char *rel_labels[] = { + AXIS_LABEL_PROP_REL_X, + AXIS_LABEL_PROP_REL_Y, + AXIS_LABEL_PROP_REL_Z, + AXIS_LABEL_PROP_REL_RX, + AXIS_LABEL_PROP_REL_RY, + AXIS_LABEL_PROP_REL_RZ, + AXIS_LABEL_PROP_REL_HWHEEL, + AXIS_LABEL_PROP_REL_DIAL, + AXIS_LABEL_PROP_REL_WHEEL, + AXIS_LABEL_PROP_REL_MISC +}; + +static const char *btn_labels[][16] = { + { /* BTN_MISC group offset 0x100*/ + BTN_LABEL_PROP_BTN_0, /* 0x00 */ + BTN_LABEL_PROP_BTN_1, /* 0x01 */ + BTN_LABEL_PROP_BTN_2, /* 0x02 */ + BTN_LABEL_PROP_BTN_3, /* 0x03 */ + BTN_LABEL_PROP_BTN_4, /* 0x04 */ + BTN_LABEL_PROP_BTN_5, /* 0x05 */ + BTN_LABEL_PROP_BTN_6, /* 0x06 */ + BTN_LABEL_PROP_BTN_7, /* 0x07 */ + BTN_LABEL_PROP_BTN_8, /* 0x08 */ + BTN_LABEL_PROP_BTN_9 /* 0x09 */ + }, + { /* BTN_MOUSE group offset 0x110 */ + BTN_LABEL_PROP_BTN_LEFT, /* 0x00 */ + BTN_LABEL_PROP_BTN_RIGHT, /* 0x01 */ + BTN_LABEL_PROP_BTN_MIDDLE, /* 0x02 */ + BTN_LABEL_PROP_BTN_SIDE, /* 0x03 */ + BTN_LABEL_PROP_BTN_EXTRA, /* 0x04 */ + BTN_LABEL_PROP_BTN_FORWARD, /* 0x05 */ + BTN_LABEL_PROP_BTN_BACK, /* 0x06 */ + BTN_LABEL_PROP_BTN_TASK /* 0x07 */ + }, + { /* BTN_JOYSTICK group offset 0x120 */ + BTN_LABEL_PROP_BTN_TRIGGER, /* 0x00 */ + BTN_LABEL_PROP_BTN_THUMB, /* 0x01 */ + BTN_LABEL_PROP_BTN_THUMB2, /* 0x02 */ + BTN_LABEL_PROP_BTN_TOP, /* 0x03 */ + BTN_LABEL_PROP_BTN_TOP2, /* 0x04 */ + BTN_LABEL_PROP_BTN_PINKIE, /* 0x05 */ + BTN_LABEL_PROP_BTN_BASE, /* 0x06 */ + BTN_LABEL_PROP_BTN_BASE2, /* 0x07 */ + BTN_LABEL_PROP_BTN_BASE3, /* 0x08 */ + BTN_LABEL_PROP_BTN_BASE4, /* 0x09 */ + BTN_LABEL_PROP_BTN_BASE5, /* 0x0a */ + BTN_LABEL_PROP_BTN_BASE6, /* 0x0b */ + NULL, + NULL, + NULL, + BTN_LABEL_PROP_BTN_DEAD /* 0x0f */ + }, + { /* BTN_GAMEPAD group offset 0x130 */ + BTN_LABEL_PROP_BTN_A, /* 0x00 */ + BTN_LABEL_PROP_BTN_B, /* 0x01 */ + BTN_LABEL_PROP_BTN_C, /* 0x02 */ + BTN_LABEL_PROP_BTN_X, /* 0x03 */ + BTN_LABEL_PROP_BTN_Y, /* 0x04 */ + BTN_LABEL_PROP_BTN_Z, /* 0x05 */ + BTN_LABEL_PROP_BTN_TL, /* 0x06 */ + BTN_LABEL_PROP_BTN_TR, /* 0x07 */ + BTN_LABEL_PROP_BTN_TL2, /* 0x08 */ + BTN_LABEL_PROP_BTN_TR2, /* 0x09 */ + BTN_LABEL_PROP_BTN_SELECT, /* 0x0a */ + BTN_LABEL_PROP_BTN_START, /* 0x0b */ + BTN_LABEL_PROP_BTN_MODE, /* 0x0c */ + BTN_LABEL_PROP_BTN_THUMBL, /* 0x0d */ + BTN_LABEL_PROP_BTN_THUMBR /* 0x0e */ + }, + { /* BTN_DIGI group offset 0x140 */ + BTN_LABEL_PROP_BTN_TOOL_PEN, /* 0x00 */ + BTN_LABEL_PROP_BTN_TOOL_RUBBER, /* 0x01 */ + BTN_LABEL_PROP_BTN_TOOL_BRUSH, /* 0x02 */ + BTN_LABEL_PROP_BTN_TOOL_PENCIL, /* 0x03 */ + BTN_LABEL_PROP_BTN_TOOL_AIRBRUSH, /* 0x04 */ + BTN_LABEL_PROP_BTN_TOOL_FINGER, /* 0x05 */ + BTN_LABEL_PROP_BTN_TOOL_MOUSE, /* 0x06 */ + BTN_LABEL_PROP_BTN_TOOL_LENS, /* 0x07 */ + NULL, + NULL, + BTN_LABEL_PROP_BTN_TOUCH, /* 0x0a */ + BTN_LABEL_PROP_BTN_STYLUS, /* 0x0b */ + BTN_LABEL_PROP_BTN_STYLUS2, /* 0x0c */ + BTN_LABEL_PROP_BTN_TOOL_DOUBLETAP, /* 0x0d */ + BTN_LABEL_PROP_BTN_TOOL_TRIPLETAP /* 0x0e */ + }, + { /* BTN_WHEEL group offset 0x150 */ + BTN_LABEL_PROP_BTN_GEAR_DOWN, /* 0x00 */ + BTN_LABEL_PROP_BTN_GEAR_UP /* 0x01 */ + } +}; + +static void EvdevInitAxesLabels(EvdevPtr pEvdev, int mode, int natoms, Atom *atoms) +{ + Atom atom; + int axis; + const char **labels; + int labels_len = 0; + + if (mode == Absolute) + { + labels = abs_labels; + labels_len = ArrayLength(abs_labels); + } else if (mode == Relative) + { + labels = rel_labels; + labels_len = ArrayLength(rel_labels); + } else + return; + + memset(atoms, 0, natoms * sizeof(Atom)); + + /* Now fill the ones we know */ + for (axis = 0; axis < labels_len; axis++) + { + if (pEvdev->axis_map[axis] == -1) + continue; + + atom = XIGetKnownProperty(labels[axis]); + if (!atom) /* Should not happen */ + continue; + + atoms[pEvdev->axis_map[axis]] = atom; + } +} + +static void EvdevInitButtonLabels(EvdevPtr pEvdev, int natoms, Atom *atoms) +{ + Atom atom; + int button, bmap; + + /* First, make sure all atoms are initialized */ + atom = XIGetKnownProperty(BTN_LABEL_PROP_BTN_UNKNOWN); + for (button = 0; button < natoms; button++) + atoms[button] = atom; + + for (button = BTN_MISC; button < BTN_JOYSTICK; button++) + { + if (EvdevBitIsSet(pEvdev->key_bitmask, button)) + { + int group = (button % 0x100)/16; + int idx = button - ((button/16) * 16); + + if (!btn_labels[group][idx]) + continue; + + atom = XIGetKnownProperty(btn_labels[group][idx]); + if (!atom) + continue; + + /* Props are 0-indexed, button numbers start with 1 */ + bmap = EvdevUtilButtonEventToButtonNumber(pEvdev, button) - 1; + atoms[bmap] = atom; + } + } + + /* wheel buttons, hardcoded anyway */ + if (natoms > 3) + atoms[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP); + if (natoms > 4) + atoms[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN); + if (natoms > 5) + atoms[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT); + if (natoms > 6) + atoms[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT); +} + +static void +EvdevInitProperty(DeviceIntPtr dev) +{ + InputInfoPtr pInfo = dev->public.devicePrivate; + EvdevPtr pEvdev = pInfo->private; + int rc; + char *device_node; + + CARD32 product[2]; + + prop_product_id = MakeAtom(XI_PROP_PRODUCT_ID, strlen(XI_PROP_PRODUCT_ID), TRUE); + product[0] = pEvdev->id_vendor; + product[1] = pEvdev->id_product; + rc = XIChangeDeviceProperty(dev, prop_product_id, XA_INTEGER, 32, + PropModeReplace, 2, product, FALSE); + if (rc != Success) + return; + + XISetDevicePropertyDeletable(dev, prop_product_id, FALSE); + + /* Device node property */ + device_node = strdup(pEvdev->device); + prop_device = MakeAtom(XI_PROP_DEVICE_NODE, + strlen(XI_PROP_DEVICE_NODE), TRUE); + rc = XIChangeDeviceProperty(dev, prop_device, XA_STRING, 8, + PropModeReplace, + strlen(device_node), device_node, + FALSE); + free(device_node); + + if (rc != Success) + return; + + if (EvdevDeviceIsVirtual(pEvdev->device)) + { + BOOL virtual = 1; + prop_virtual = MakeAtom(XI_PROP_VIRTUAL_DEVICE, + strlen(XI_PROP_VIRTUAL_DEVICE), TRUE); + rc = XIChangeDeviceProperty(dev, prop_virtual, XA_INTEGER, 8, + PropModeReplace, 1, &virtual, FALSE); + XISetDevicePropertyDeletable(dev, prop_virtual, FALSE); + } + + + XISetDevicePropertyDeletable(dev, prop_device, FALSE); + + if (pEvdev->flags & (EVDEV_RELATIVE_EVENTS | EVDEV_ABSOLUTE_EVENTS)) + { + BOOL invert[2]; + invert[0] = pEvdev->invert_x; + invert[1] = pEvdev->invert_y; + + prop_invert = MakeAtom(EVDEV_PROP_INVERT_AXES, strlen(EVDEV_PROP_INVERT_AXES), TRUE); + + rc = XIChangeDeviceProperty(dev, prop_invert, XA_INTEGER, 8, + PropModeReplace, 2, + invert, FALSE); + if (rc != Success) + return; + + XISetDevicePropertyDeletable(dev, prop_invert, FALSE); + + prop_calibration = MakeAtom(EVDEV_PROP_CALIBRATION, + strlen(EVDEV_PROP_CALIBRATION), TRUE); + if (pEvdev->flags & EVDEV_CALIBRATED) { + int calibration[4]; + + calibration[0] = pEvdev->calibration.min_x; + calibration[1] = pEvdev->calibration.max_x; + calibration[2] = pEvdev->calibration.min_y; + calibration[3] = pEvdev->calibration.max_y; + + rc = XIChangeDeviceProperty(dev, prop_calibration, XA_INTEGER, + 32, PropModeReplace, 4, calibration, + FALSE); + } else if (pEvdev->flags & EVDEV_ABSOLUTE_EVENTS) { + rc = XIChangeDeviceProperty(dev, prop_calibration, XA_INTEGER, + 32, PropModeReplace, 0, NULL, + FALSE); + } + if (rc != Success) + return; + + XISetDevicePropertyDeletable(dev, prop_calibration, FALSE); + + prop_swap = MakeAtom(EVDEV_PROP_SWAP_AXES, + strlen(EVDEV_PROP_SWAP_AXES), TRUE); + + rc = XIChangeDeviceProperty(dev, prop_swap, XA_INTEGER, 8, + PropModeReplace, 1, &pEvdev->swap_axes, FALSE); + if (rc != Success) + return; + + XISetDevicePropertyDeletable(dev, prop_swap, FALSE); + + /* Axis labelling */ + if ((pEvdev->num_vals > 0) && (prop_axis_label = XIGetKnownProperty(AXIS_LABEL_PROP))) + { + int mode; + int num_axes = pEvdev->num_vals + pEvdev->num_mt_vals; + Atom atoms[num_axes]; + + if (pEvdev->flags & EVDEV_ABSOLUTE_EVENTS) + mode = Absolute; + else if (pEvdev->flags & EVDEV_RELATIVE_EVENTS) + mode = Relative; + else { + xf86IDrvMsg(pInfo, X_ERROR, "BUG: mode is neither absolute nor relative\n"); + mode = Absolute; + } + + EvdevInitAxesLabels(pEvdev, mode, num_axes, atoms); + XIChangeDeviceProperty(dev, prop_axis_label, XA_ATOM, 32, + PropModeReplace, num_axes, atoms, FALSE); + XISetDevicePropertyDeletable(dev, prop_axis_label, FALSE); + } + /* Button labelling */ + if ((pEvdev->num_buttons > 0) && (prop_btn_label = XIGetKnownProperty(BTN_LABEL_PROP))) + { + Atom atoms[EVDEV_MAXBUTTONS]; + EvdevInitButtonLabels(pEvdev, EVDEV_MAXBUTTONS, atoms); + XIChangeDeviceProperty(dev, prop_btn_label, XA_ATOM, 32, + PropModeReplace, pEvdev->num_buttons, atoms, FALSE); + XISetDevicePropertyDeletable(dev, prop_btn_label, FALSE); + } + } + +} + +static int +EvdevSetProperty(DeviceIntPtr dev, Atom atom, XIPropertyValuePtr val, + BOOL checkonly) +{ + InputInfoPtr pInfo = dev->public.devicePrivate; + EvdevPtr pEvdev = pInfo->private; + + if (atom == prop_invert) + { + BOOL* data; + if (val->format != 8 || val->size != 2 || val->type != XA_INTEGER) + return BadMatch; + + if (!checkonly) + { + data = (BOOL*)val->data; + pEvdev->invert_x = data[0]; + pEvdev->invert_y = data[1]; + } + } else if (atom == prop_calibration) + { + if (val->format != 32 || val->type != XA_INTEGER) + return BadMatch; + if (val->size != 4 && val->size != 0) + return BadMatch; + + if (!checkonly) + EvdevSetCalibration(pInfo, val->size, val->data); + } else if (atom == prop_swap) + { + if (val->format != 8 || val->type != XA_INTEGER || val->size != 1) + return BadMatch; + + if (!checkonly) + pEvdev->swap_axes = *((BOOL*)val->data); + } else if (atom == prop_axis_label || atom == prop_btn_label || + atom == prop_product_id || atom == prop_device || + atom == prop_virtual) + return BadAccess; /* Read-only properties */ + + return Success; +} |