+/*
+ *
+ * xserver-xorg-input-evdev-multitouch
+ *
+ * Contact: Sung-Jin Park <sj76.park@samsung.com>
+ * Sangjin LEE <lsj119@samsung.com>
+ *
+ * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * 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)
+ * Benjamin Tissoires (tissoire@cena.fr)
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <X11/keysym.h>
+
+#include <sys/stat.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 "evdevmultitouch.h"
+#include "vsync_input_protocol.h"
+#include "vsync_debug_info.h"
+
+#ifdef HAVE_PROPERTIES
+#include <X11/Xatom.h>
+#include <evdevmultitouch-properties.h>
+#include <xserver-properties.h>
+/* 1.6 has properties, but no labels */
+#ifdef AXIS_LABEL_PROP
+#define HAVE_LABELS
+#else
+#undef HAVE_LABELS
+#endif
+
+#endif
+
+#ifndef MAXDEVICES
+#include <inputstr.h> /* for MAX_DEVICES */
+#define MAXDEVICES MAX_DEVICES
+#endif
+
+/* 2.4 compatibility */
+#ifndef EVIOCGRAB
+#define EVIOCGRAB _IOW('E', 0x90, int)
+#endif
+
+#ifndef BTN_TASK
+#define BTN_TASK 0x117
+#endif
+
+#ifndef EV_SYN
+#define EV_SYN EV_RST
+#endif
+/* end compat */
+
+#define ArrayLength(a) (sizeof(a) / (sizeof((a)[0])))
+
+#ifndef True
+#define True TRUE
+#endif
+#ifndef False
+#define False FALSE
+#endif
+
+#define POLL_DISABLE '0'
+#define POLL_ENABLE '1'
+#define POLL_REQUEST '2'
+#define SYSFS_POLL "/sys/class/input/event2/device/poll"
+
+#define ABS_MT_SLOT 0x2f
+#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */
+#define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */
+#define ABS_MT_WIDTH_MAJOR 0x32 /* Major axis of approaching ellipse */
+#define ABS_MT_WIDTH_MINOR 0x33 /* Minor axis (omit if circular) */
+#define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */
+#define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */
+#define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */
+#define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device */
+#define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */
+#define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */
+
+#define SYN_REPORT 0
+#define SYN_CONFIG 1
+#define SYN_MT_REPORT 2
+
+/* evdevmultitouch flags */
+#define EVDEVMULTITOUCH_KEYBOARD_EVENTS (1 << 0)
+#define EVDEVMULTITOUCH_BUTTON_EVENTS (1 << 1)
+#define EVDEVMULTITOUCH_RELATIVE_EVENTS (1 << 2)
+#define EVDEVMULTITOUCH_ABSOLUTE_EVENTS (1 << 3)
+#define EVDEVMULTITOUCH_TOUCHPAD (1 << 4)
+#define EVDEVMULTITOUCH_INITIALIZED (1 << 5) /* WheelInit etc. called already? */
+#define EVDEVMULTITOUCH_TOUCHSCREEN (1 << 6)
+#define EVDEVMULTITOUCH_CALIBRATED (1 << 7) /* run-time calibrated? */
+#define EVDEVMULTITOUCH_TABLET (1 << 8) /* device looks like a tablet? */
+#define EVDEVMULTITOUCH_UNIGNORE_ABSOLUTE (1 << 9) /* explicitly unignore abs axes */
+#define EVDEVMULTITOUCH_UNIGNORE_RELATIVE (1 << 10) /* explicitly unignore rel axes */
+#define EVDEVMULTITOUCH_MULTITOUCH (1 << 11) /* device looks like a multi-touch screen? */
+#define EVDEVMULTITOUCH_RESOLUTION (1 << 12) /* device has a resolution setting? */
+
+#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
+
+static const char *evdevmultitouchDefaults[] = {
+ "XkbRules", "evdevmultitouch",
+ "XkbModel", "evdevmultitouch",
+ "XkbLayout", "us",
+ NULL
+};
+
+int poll_control(char cmd);
+void sync_poll(int vsync_counter);
+#ifdef _F_GESTURE_EXTENSION_
+extern void mieqEnqueue(DeviceIntPtr pDev, InternalEvent *e);
+static void EvdevMultitouchFrameSync(InputInfoPtr pInfo, MTSyncType sync);
+#endif//_F_GESTURE_EXTENSION_
+static void EvdevMultitouchOff(DeviceIntPtr device);
+static int EvdevMultitouchOn(DeviceIntPtr);
+static int EvdevMultitouchCacheCompare(InputInfoPtr pInfo, BOOL compare);
+static void EvdevMultitouchKbdCtrl(DeviceIntPtr device, KeybdCtrl *ctrl);
+static void EvdevMultitouchProcessSyncEvent(InputInfoPtr pInfo, struct input_event *ev);
+static void EvdevMultitouchCopyFromData(InputInfoPtr pInfo, EvdevMultitouchDataMTPtr pData);
+static void EvdevMultitouchReinitPEvdevMultitouch(InputInfoPtr pInfo);
+static void EvdevMultitouchFakeOmittedEvents(InputInfoPtr pInfo);
+static void EvdevMultitouchProcessEvent(InputInfoPtr pInfo, struct input_event *ev);
+static void EvdevMultitouchEndOfMultiTouch(InputInfoPtr pInfo,EvdevMultitouchDataMTPtr pData);
+static void EvdevMultitouchSetMultitouch(InputInfoPtr pInfo, int num_multitouch);
+static void EvdevMultitouchSetUsePoll(InputInfoPtr pInfo, BOOL use_poll);
+static void EvdevMultitouchGetGrabInfo(InputInfoPtr pInfo, BOOL val);
+static void EvdevMultitouchSetResolution(InputInfoPtr pInfo, int num_resolution, int resolution[4]);
+static void EvdevMultitouchSetCalibration(InputInfoPtr pInfo, int num_calibration, int calibration[4]);
+static InputInfoPtr EvdevMultitouchCreateSubDevice(InputInfoPtr pInfo, int id);
+static void EvdevMultitouchDeleteSubDevice(InputInfoPtr pInfo, InputInfoPtr subdev);
+static void EvdevMultitouchSwapAxes(EvdevMultitouchPtr pEvdevMultitouch);
+static void EvdevMultitouchSetTransform(InputInfoPtr pInfo, int num_transform, float *tmatrix);
+
+#ifdef HAVE_PROPERTIES
+static void EvdevMultitouchInitAxesLabels(EvdevMultitouchPtr pEvdevMultitouch, int natoms, Atom *atoms);
+static void EvdevMultitouchInitButtonLabels(EvdevMultitouchPtr pEvdevMultitouch, int natoms, Atom *atoms);
+static void EvdevMultitouchInitProperty(DeviceIntPtr dev);
+static int EvdevMultitouchSetProperty(DeviceIntPtr dev, Atom atom,
+ XIPropertyValuePtr val, BOOL checkonly);
+static Atom prop_invert = 0;
+static Atom prop_reopen = 0;
+static Atom prop_calibration = 0;
+static Atom prop_swap = 0;
+static Atom prop_axis_label = 0;
+static Atom prop_btn_label = 0;
+static Atom prop_tracking_id = 0;
+static Atom prop_multitouch = 0;
+static Atom prop_use_poll = 0;
+static Atom prop_transform = 0;
+static Atom prop_grabinfo = 0;
+#endif
+
+static InputInfoPtr pCreatorInfo = NULL;
+volatile VSYNC_INPUT_DISPATCH_TABLE *vsync_input_table = NULL;
+
+int g_syspoll_fd = -1;
+int g_pressed = 0;
+float transform[9];
+BOOL use_transform = False;
+struct pixman_transform inv_transform;
+
+int
+poll_control(char cmd)
+{
+ if( g_syspoll_fd < 0 )
+ return 0;
+
+ write(g_syspoll_fd, &cmd, 1);
+
+ return 1;
+}
+
+void
+sync_poll(int vsync_counter)
+{
+ if( g_pressed )
+ {
+ vsync_debug_set_slot("Poll before");
+ poll_control(POLL_REQUEST);
+ vsync_debug_set_slot("Poll after");
+ }
+}
+
+/* All devices the evdevmultitouch driver has allocated and knows about.
+ * MAXDEVICES is safe as null-terminated array, as two devices (VCP and VCK)
+ * cannot be used by evdevmultitouch, leaving us with a space of 2 at the end. */
+static EvdevMultitouchPtr evdevmultitouch_devices[MAXDEVICES] = {NULL};
+
+static size_t CountBits(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 int
+EvdevMultitouchGetMajorMinor(InputInfoPtr pInfo)
+{
+ struct stat st;
+
+ if (fstat(pInfo->fd, &st) == -1)
+ {
+ xf86Msg(X_ERROR, "%s: stat failed (%s). cannot check for duplicates.\n",
+ pInfo->name, strerror(errno));
+ return 0;
+ }
+
+ return st.st_rdev;
+}
+
+static BOOL
+EvdevMultitouchIsCoreDevice(InputInfoPtr pInfo) {
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ return pEvdevMultitouch->core_device == pInfo;
+}
+
+/**
+ * Return TRUE if one of the devices we know about has the same min/maj
+ * number.
+ */
+static BOOL
+EvdevMultitouchIsDuplicate(InputInfoPtr pInfo)
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ EvdevMultitouchPtr* dev = evdevmultitouch_devices;
+
+ if (pEvdevMultitouch->min_maj)
+ {
+ while(*dev)
+ {
+ if ((*dev) != pEvdevMultitouch &&
+ (*dev)->min_maj &&
+ (*dev)->min_maj == pEvdevMultitouch->min_maj)
+ return TRUE;
+ dev++;
+ }
+ }
+ return FALSE;
+}
+
+/**
+ * Add to internal device list.
+ */
+static void
+EvdevMultitouchAddDevice(InputInfoPtr pInfo)
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ EvdevMultitouchPtr* dev = evdevmultitouch_devices;
+
+ while(*dev)
+ dev++;
+
+ *dev = pEvdevMultitouch;
+}
+
+/**
+ * Remove from internal device list.
+ */
+static void
+EvdevMultitouchRemoveDevice(InputInfoPtr pInfo)
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ EvdevMultitouchPtr *dev = evdevmultitouch_devices;
+ int count = 0;
+
+ while(*dev)
+ {
+ count++;
+ if (*dev == pEvdevMultitouch)
+ {
+ memmove(dev, dev + 1,
+ sizeof(evdevmultitouch_devices) - (count * sizeof(EvdevMultitouchPtr)));
+ break;
+ }
+ dev++;
+ }
+}
+
+
+static void
+SetXkbOption(InputInfoPtr pInfo, char *name, char **option)
+{
+ char *s;
+
+ if ((s = xf86SetStrOption(pInfo->options, name, NULL))) {
+ if (!s[0]) {
+ free(s);
+ *option = NULL;
+ } else {
+ *option = s;
+ }
+ }
+}
+
+static int wheel_up_button = 4;
+static int wheel_down_button = 5;
+static int wheel_left_button = 6;
+static int wheel_right_button = 7;
+
+void
+EvdevMultitouchQueueKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value)
+{
+ int code = ev->code + MIN_KEYCODE;
+ static char warned[KEY_CNT];
+ EventQueuePtr pQueue;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ /* Filter all repeated events from device.
+ We'll do softrepeat in the server, but only since 1.6 */
+ if (value == 2
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) <= 2
+ && (ev->code == KEY_LEFTCTRL || ev->code == KEY_RIGHTCTRL ||
+ ev->code == KEY_LEFTSHIFT || ev->code == KEY_RIGHTSHIFT ||
+ ev->code == KEY_LEFTALT || ev->code == KEY_RIGHTALT ||
+ ev->code == KEY_LEFTMETA || ev->code == KEY_RIGHTMETA ||
+ ev->code == KEY_CAPSLOCK || ev->code == KEY_NUMLOCK ||
+ ev->code == KEY_SCROLLLOCK) /* XXX windows keys? */
+#endif
+ )
+ return;
+
+ if (code > 255)
+ {
+ if (ev->code <= KEY_MAX && !warned[ev->code])
+ {
+ xf86Msg(X_WARNING, "%s: unable to handle keycode %d\n",
+ pInfo->name, ev->code);
+ warned[ev->code] = 1;
+ }
+
+ /* The X server can't handle keycodes > 255. */
+ return;
+ }
+
+ if (pEvdevMultitouch->num_queue >= EVDEVMULTITOUCH_MAXQUEUE)
+ {
+ xf86Msg(X_NONE, "%s: dropping event due to full queue!\n", pInfo->name);
+ return;
+ }
+
+ pQueue = &pEvdevMultitouch->queue[pEvdevMultitouch->num_queue];
+ pQueue->type = EV_QUEUE_KEY;
+ pQueue->key = code;
+ pQueue->val = value;
+ pEvdevMultitouch->num_queue++;
+}
+
+void
+EvdevMultitouchQueueButtonEvent(InputInfoPtr pInfo, int button, int value)
+{
+ EventQueuePtr pQueue;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ if (pEvdevMultitouch->num_queue >= EVDEVMULTITOUCH_MAXQUEUE)
+ {
+ xf86Msg(X_NONE, "%s: dropping event due to full queue!\n", pInfo->name);
+ return;
+ }
+
+ pQueue = &pEvdevMultitouch->queue[pEvdevMultitouch->num_queue];
+ pQueue->type = EV_QUEUE_BTN;
+ pQueue->key = button;
+ pQueue->val = value;
+ pEvdevMultitouch->num_queue++;
+}
+
+/**
+ * Post button event right here, right now.
+ * Interface for MB emulation since these need to post immediately.
+ */
+void
+EvdevMultitouchPostButtonEvent(InputInfoPtr pInfo, int button, int value)
+{
+ xf86PostButtonEvent(pInfo->dev, 0, button, value, 0, 0);
+}
+
+void
+EvdevMultitouchQueueButtonClicks(InputInfoPtr pInfo, int button, int count)
+{
+ int i;
+
+ for (i = 0; i < count; i++) {
+ EvdevMultitouchQueueButtonEvent(pInfo, button, 1);
+ EvdevMultitouchQueueButtonEvent(pInfo, button, 0);
+ }
+}
+
+/**
+ *
+ */
+static CARD32
+EvdevMultitouchSubdevTimer(OsTimerPtr timer, CARD32 time, pointer arg)
+{
+ InputInfoPtr pInfo = (InputInfoPtr)arg;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ int i;
+
+ for (i=0;i<pEvdevMultitouch->num_multitouch;i++) {
+ if (pEvdevMultitouch->vals_mt[i].containsValues) {
+ EvdevMultitouchEndOfMultiTouch(pInfo, &(pEvdevMultitouch->vals_mt[i]));
+ }
+ }
+
+ return 0;
+ //return pEvdevMultitouch->timeout; /* come back in 100 ms */
+}
+
+/**
+ * Coming back from resume may leave us with a file descriptor that can be
+ * opened but fails on the first read (ENODEV).
+ * In this case, try to open the device until it becomes available or until
+ * the predefined count expires.
+ */
+static CARD32
+EvdevMultitouchReopenTimer(OsTimerPtr timer, CARD32 time, pointer arg)
+{
+ InputInfoPtr pInfo = (InputInfoPtr)arg;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ do {
+ pInfo->fd = open(pEvdevMultitouch->device, O_RDWR | O_NONBLOCK, 0);
+ } while (pInfo->fd < 0 && errno == EINTR);
+
+ if (pInfo->fd != -1)
+ {
+ if (EvdevMultitouchCacheCompare(pInfo, TRUE) == Success)
+ {
+ xf86Msg(X_INFO, "%s: Device reopened after %d attempts.\n", pInfo->name,
+ pEvdevMultitouch->reopen_attempts - pEvdevMultitouch->reopen_left + 1);
+ EvdevMultitouchOn(pInfo->dev);
+ } else
+ {
+ xf86Msg(X_ERROR, "%s: Device has changed - disabling.\n",
+ pInfo->name);
+ xf86DisableDevice(pInfo->dev, FALSE);
+ close(pInfo->fd);
+ pInfo->fd = -1;
+ pEvdevMultitouch->min_maj = 0; /* don't hog the device */
+ }
+ pEvdevMultitouch->reopen_left = 0;
+ return 0;
+ }
+
+ pEvdevMultitouch->reopen_left--;
+
+ if (!pEvdevMultitouch->reopen_left)
+ {
+ xf86Msg(X_ERROR, "%s: Failed to reopen device after %d attempts.\n",
+ pInfo->name, pEvdevMultitouch->reopen_attempts);
+ xf86DisableDevice(pInfo->dev, FALSE);
+ pEvdevMultitouch->min_maj = 0; /* don't hog the device */
+ return 0;
+ }
+
+ return 100; /* come back in 100 ms */
+}
+
+static CARD32
+EvdevMultitouchMultitouchSettingTimer(OsTimerPtr timer, CARD32 time, pointer arg)
+{
+ InputInfoPtr pInfo = (InputInfoPtr)arg;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ int n_multitouch = xf86SetIntOption(pInfo->options, "MultiTouch", 0);
+
+ if( n_multitouch >= 2 )
+ EvdevMultitouchSetMultitouch(pInfo, n_multitouch);
+ pEvdevMultitouch->multitouch_setting_timer = TimerSet(pEvdevMultitouch->multitouch_setting_timer, 0, 0, NULL, NULL);
+
+ return 0;
+}
+
+#define ABS_X_VALUE 0x1
+#define ABS_Y_VALUE 0x2
+#define ABS_VALUE 0x4
+#define ABS_MT_X_VALUE 0x8
+#define ABS_MT_Y_VALUE 0x10
+#define ABS_MT_TOUCH_MAJOR_VALUE 0x20
+/**
+ * Take the valuators and process them accordingly.
+ */
+static void
+EvdevMultitouchProcessValuators(InputInfoPtr pInfo, int v[MAX_VALUATORS], int *num_v,
+ int *first_v)
+{
+ int tmp;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ pixman_vector_t p;
+
+ *num_v = *first_v = 0;
+
+ /* convert to relative motion for touchpads */
+ if (pEvdevMultitouch->abs && (pEvdevMultitouch->flags & EVDEVMULTITOUCH_TOUCHPAD)) {
+ if (pEvdevMultitouch->tool) { /* meaning, touch is active */
+ if (pEvdevMultitouch->old_vals[0] != -1)
+ pEvdevMultitouch->delta[REL_X] = pEvdevMultitouch->vals[0] - pEvdevMultitouch->old_vals[0];
+ if (pEvdevMultitouch->old_vals[1] != -1)
+ pEvdevMultitouch->delta[REL_Y] = pEvdevMultitouch->vals[1] - pEvdevMultitouch->old_vals[1];
+ if (pEvdevMultitouch->abs & ABS_X_VALUE)
+ pEvdevMultitouch->old_vals[0] = pEvdevMultitouch->vals[0];
+ if (pEvdevMultitouch->abs & ABS_Y_VALUE)
+ pEvdevMultitouch->old_vals[1] = pEvdevMultitouch->vals[1];
+ } else {
+ pEvdevMultitouch->old_vals[0] = pEvdevMultitouch->old_vals[1] = -1;
+ }
+ pEvdevMultitouch->abs = 0;
+ pEvdevMultitouch->rel = 1;
+ }
+
+ if (pEvdevMultitouch->rel) {
+ int first = REL_CNT, last = 0;
+ int i;
+
+ if (pEvdevMultitouch->swap_axes) {
+ tmp = pEvdevMultitouch->delta[REL_X];
+ pEvdevMultitouch->delta[REL_X] = pEvdevMultitouch->delta[REL_Y];
+ pEvdevMultitouch->delta[REL_Y] = tmp;
+ }
+ if (pEvdevMultitouch->invert_x)
+ pEvdevMultitouch->delta[REL_X] *= -1;
+ if (pEvdevMultitouch->invert_y)
+ pEvdevMultitouch->delta[REL_Y] *= -1;
+
+ for (i = 0; i < REL_CNT; i++)
+ {
+ int map = pEvdevMultitouch->axis_map[i];
+ if (map != -1)
+ {
+ v[map] = pEvdevMultitouch->delta[i];
+ if (map < first)
+ first = map;
+ if (map > last)
+ last = map;
+ }
+ }
+
+ *num_v = (last - first + 1);
+ *first_v = first;
+ }
+ /*
+ * Some devices only generate valid abs coords when BTN_DIGI is
+ * pressed. On wacom tablets, this means that the pen is in
+ * proximity of the tablet. After the pen is removed, BTN_DIGI is
+ * released, and a (0, 0) absolute event is generated. Checking
+ * pEvdevMultitouch->digi here, lets us ignore that event. pEvdevMultitouch is
+ * initialized to 1 so devices that doesn't use this scheme still
+ * just works.
+ */
+ else if (pEvdevMultitouch->abs && pEvdevMultitouch->tool) {
+ memcpy(v, pEvdevMultitouch->vals, sizeof(int) * pEvdevMultitouch->num_vals);
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_CALIBRATED)
+ {
+ v[0] = xf86ScaleAxis(v[0],
+ pEvdevMultitouch->absinfo[ABS_X].maximum,
+ pEvdevMultitouch->absinfo[ABS_X].minimum,
+ pEvdevMultitouch->calibration.max_x, pEvdevMultitouch->calibration.min_x);
+ v[1] = xf86ScaleAxis(v[1],
+ pEvdevMultitouch->absinfo[ABS_Y].maximum,
+ pEvdevMultitouch->absinfo[ABS_Y].minimum,
+ pEvdevMultitouch->calibration.max_y, pEvdevMultitouch->calibration.min_y);
+ }
+
+ if (pEvdevMultitouch->swap_axes) {
+ int tmp = v[0];
+ v[0] = v[1];
+ v[1] = tmp;
+ }
+
+ if (pEvdevMultitouch->invert_x)
+ v[0] = (pEvdevMultitouch->absinfo[ABS_X].maximum - v[0] +
+ pEvdevMultitouch->absinfo[ABS_X].minimum);
+ if (pEvdevMultitouch->invert_y)
+ v[1] = (pEvdevMultitouch->absinfo[ABS_Y].maximum - v[1] +
+ pEvdevMultitouch->absinfo[ABS_Y].minimum);
+
+ if( use_transform )
+ {
+ p.vector[0] = pixman_int_to_fixed(v[0]);
+ p.vector[1] = pixman_int_to_fixed(v[1]);
+ p.vector[2] = pixman_int_to_fixed(1);
+
+ pixman_transform_point(&inv_transform, &p);
+
+ v[0] = pixman_fixed_to_int(p.vector[0]);
+ v[1] = pixman_fixed_to_int(p.vector[1]);
+ }
+
+ *num_v = pEvdevMultitouch->num_vals;
+ *first_v = 0;
+ }
+}
+
+/**
+ * Take a button input event and process it accordingly.
+ */
+static void
+EvdevMultitouchProcessButtonEvent(InputInfoPtr pInfo, struct input_event *ev)
+{
+ unsigned int button;
+ int value;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ button = EvdevMultitouchUtilButtonEventToButtonNumber(pEvdevMultitouch, ev->code);
+
+ /* Get the signed value, earlier kernels had this as unsigned */
+ value = ev->value;
+
+ /* Handle drag lock */
+ if (EvdevMultitouchDragLockFilterEvent(pInfo, button, value))
+ return;
+
+ if (EvdevMultitouchWheelEmuFilterButton(pInfo, button, value))
+ return;
+
+ if (pEvdevMultitouch->num_multitouch)
+ return;
+
+ if (EvdevMultitouchMBEmuFilterEvent(pInfo, button, value))
+ return;
+
+ if (button)
+ EvdevMultitouchQueueButtonEvent(pInfo, button, value);
+ else
+ EvdevMultitouchQueueKbdEvent(pInfo, ev, value);
+}
+
+/**
+ * Take the relative motion input event and process it accordingly.
+ */
+static void
+EvdevMultitouchProcessRelativeMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
+{
+ static int value;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ /* Get the signed value, earlier kernels had this as unsigned */
+ value = ev->value;
+
+ pEvdevMultitouch->rel = 1;
+
+ switch (ev->code) {
+ case REL_WHEEL:
+ if (value > 0)
+ EvdevMultitouchQueueButtonClicks(pInfo, wheel_up_button, value);
+ else if (value < 0)
+ EvdevMultitouchQueueButtonClicks(pInfo, wheel_down_button, -value);
+ break;
+
+ case REL_DIAL:
+ case REL_HWHEEL:
+ if (value > 0)
+ EvdevMultitouchQueueButtonClicks(pInfo, wheel_right_button, value);
+ else if (value < 0)
+ EvdevMultitouchQueueButtonClicks(pInfo, wheel_left_button, -value);
+ break;
+
+ /* We don't post wheel events as axis motion. */
+ default:
+ /* Ignore EV_REL events if we never set up for them. */
+ if (!(pEvdevMultitouch->flags & EVDEVMULTITOUCH_RELATIVE_EVENTS))
+ return;
+
+ /* Handle mouse wheel emulation */
+ if (EvdevMultitouchWheelEmuFilterMotion(pInfo, ev))
+ return;
+
+ pEvdevMultitouch->delta[ev->code] += value;
+ break;
+ }
+}
+
+/**
+ * Take the absolute motion input event and process it accordingly.
+ */
+static void
+EvdevMultitouchProcessAbsoluteMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
+{
+ static int value;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ /* 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 (!(pEvdevMultitouch->flags & EVDEVMULTITOUCH_ABSOLUTE_EVENTS))
+ return;
+
+ if (ev->code > ABS_MAX)
+ return;
+
+ pEvdevMultitouch->vals[pEvdevMultitouch->axis_map[ev->code]] = value;
+
+ if(pEvdevMultitouch->flags & EVDEVMULTITOUCH_MULTITOUCH)
+ {
+ if(ev->code == ABS_MT_TOUCH_MAJOR)
+ {
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("[AbsoluteMotionEvent] ABS_MT_TOUCH_MAJOR (value=%d)\n", value);
+#endif
+ pEvdevMultitouch->abs |= ABS_MT_TOUCH_MAJOR_VALUE;
+ }
+ else if (ev->code == ABS_MT_POSITION_X)
+ {
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("[AbsoluteMotionEvent] ABS_MT_POSITION_X (value=%d)\n", value);
+#endif
+ EvdevMultitouchFakeOmittedEvents(pInfo);
+ pEvdevMultitouch->abs |= ABS_MT_X_VALUE;
+ }
+ else if (ev->code == ABS_MT_POSITION_Y)
+ {
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("[AbsoluteMotionEvent] ABS_MT_POSITION_Y (value=%d)\n", value);
+#endif
+ EvdevMultitouchFakeOmittedEvents(pInfo);
+ pEvdevMultitouch->abs |= ABS_MT_Y_VALUE;
+ }
+ else
+ pEvdevMultitouch->abs |= ABS_VALUE;
+ }
+ else
+ {
+ if (ev->code == ABS_X)
+ {
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("[AbsoluteMotionEvent] ABS_X (value=%d)\n", value);
+#endif
+ pEvdevMultitouch->abs |= ABS_X_VALUE;
+ }
+ else if (ev->code == ABS_Y)
+ {
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("[AbsoluteMotionEvent] ABS_Y (value=%d)\n", value);
+#endif
+ pEvdevMultitouch->abs |= ABS_Y_VALUE;
+ }
+ else
+ pEvdevMultitouch->abs |= ABS_VALUE;
+ }
+}
+
+/**
+ * Take the key press/release input event and process it accordingly.
+ */
+static void
+EvdevMultitouchProcessKeyEvent(InputInfoPtr pInfo, struct input_event *ev)
+{
+ static int value;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ if(pEvdevMultitouch->flags & EVDEVMULTITOUCH_MULTITOUCH)
+ return;
+
+ /* 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;
+
+#ifdef _DEBUG_MT_SEQUENCE_
+ if( ev->code == BTN_TOUCH || ev->code == BTN_LEFT )
+ ErrorF("[KeyEvent] BTN_TOUCH (value=%d)\n", value);
+#endif
+
+ switch (ev->code) {
+ case BTN_TOUCH:
+ case BTN_TOOL_PEN:
+ case BTN_TOOL_RUBBER:
+ case BTN_TOOL_BRUSH:
+ case BTN_TOOL_PENCIL:
+ case BTN_TOOL_AIRBRUSH:
+ case BTN_TOOL_FINGER:
+ case BTN_TOOL_MOUSE:
+ case BTN_TOOL_LENS:
+ pEvdevMultitouch->tool = value ? ev->code : 0;
+ if (!(pEvdevMultitouch->flags & EVDEVMULTITOUCH_TOUCHSCREEN || pEvdevMultitouch->flags & EVDEVMULTITOUCH_MULTITOUCH))
+ break;
+ /* Treat BTN_TOUCH from devices that only have BTN_TOUCH as
+ * BTN_LEFT. */
+ ev->code = BTN_LEFT;
+ /* Intentional fallthrough! */
+
+ default:
+ EvdevMultitouchProcessButtonEvent(pInfo, ev);
+ break;
+ }
+}
+
+static void EvdevMultitouchEndOfMultiTouch(InputInfoPtr pInfo,EvdevMultitouchDataMTPtr pData)
+{
+ InputInfoPtr pSubdev = pData->pInfo;
+ EvdevMultitouchPtr pEvdevMultitouchSubdev = pSubdev->private;
+ pEvdevMultitouchSubdev->id = -1;
+ pData->containsValues = FALSE;
+ pData->id = -1;
+}
+
+#ifdef _F_GESTURE_EXTENSION_
+static void EvdevMultitouchFrameSync(InputInfoPtr pInfo, MTSyncType sync)
+{
+ AnyEvent event;
+
+ memset(&event, 0, sizeof(event));
+ event.header = ET_Internal;
+ event.type = ET_MTSync;
+ event.length = sizeof(event);
+ event.time = GetTimeInMillis();
+ event.deviceid = pInfo->dev->id;
+ event.sync = sync;
+ mieqEnqueue (pInfo->dev, (InternalEvent*)&event);
+}
+#endif//_F_GESTURE_EXTENSION_
+
+/**
+ * Post the multtouch motion events.
+ */
+static void
+EvdevMultitouchPostMTMotionEvents(InputInfoPtr pInfo,struct input_event *ev)
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private, pEvdevMultitouchSubdev;
+ EvdevMultitouchDataMTPtr pData;
+ InputInfoPtr pSubdev;
+ int i;
+ static int num_of_pressed = 0;
+
+ for (i=0;i<pEvdevMultitouch->num_multitouch;++i) {
+ pData = &(pEvdevMultitouch->vals_mt[i]);
+ if (!pData->containsValues) {
+ continue;
+ }
+ pSubdev = pData->pInfo;
+ if (!pSubdev)
+ continue;
+
+ pData->containsValues = FALSE;
+ EvdevMultitouchCopyFromData(pSubdev, pData);
+ pEvdevMultitouchSubdev = pSubdev->private;
+ pEvdevMultitouchSubdev->mt = 0;
+ pEvdevMultitouchSubdev->abs = pData->abs;
+ pEvdevMultitouchSubdev->rel = 0;
+ pEvdevMultitouchSubdev->tool = 1;
+ /* droping of the pressed/released events */
+ memset(pEvdevMultitouchSubdev->queue, 0, sizeof(pEvdevMultitouchSubdev->queue));
+ pEvdevMultitouchSubdev->num_queue = 0;
+
+ /* generate button press/release event */
+ if(pEvdevMultitouchSubdev->abs & ABS_MT_TOUCH_MAJOR_VALUE)
+ {
+ if(pEvdevMultitouchSubdev->vals[pEvdevMultitouchSubdev->axis_map[ABS_MT_TOUCH_MAJOR]] )
+ {
+ if(pEvdevMultitouchSubdev->touch_state == 0)
+ {
+ num_of_pressed += (pData->id+1);
+ if( num_of_pressed && !g_pressed )
+ {
+ g_pressed = 1;
+#ifdef _F_GESTURE_EXTENSION_
+ EvdevMultitouchFrameSync(pInfo, MTOUCH_FRAME_SYNC_BEGIN);
+#endif//_F_GESTURE_EXTENSION_
+ if(vsync_input_table)
+ {
+ vsync_input_table->start_sync(vsync_input_table->sync_arg);
+ vsync_debug_start();
+ }
+ }
+ EvdevMultitouchQueueButtonEvent(pSubdev, 1, 1);
+ pEvdevMultitouchSubdev->touch_state = 1;
+ }
+ }
+ else
+ {
+ num_of_pressed -= (pData->id+1);
+ /* last finger release */
+ if( !num_of_pressed )
+ {
+ g_pressed = 0;
+ if(vsync_input_table)
+ {
+ vsync_input_table->stop_sync(vsync_input_table->sync_arg);
+ vsync_debug_stop();
+ }
+ }
+ EvdevMultitouchQueueButtonEvent(pSubdev, 1, 0);
+ pEvdevMultitouchSubdev->touch_state = 0;
+ pEvdevMultitouchSubdev->evtime = 0;
+ }
+ }
+ EvdevMultitouchProcessSyncEvent(pSubdev, ev);
+
+ }
+}
+
+static void
+EvdevMultitouchPostMTMotionEventsBySingle(InputInfoPtr pInfo,struct input_event *ev)
+{
+ EvdevMultitouchPtr pEvdevMultitouch, pEvdevMultitouchSubdev;
+ EvdevMultitouchDataMTPtr pData;
+ InputInfoPtr pSubdev;
+
+ if( !pInfo || !pInfo->private )
+ return;
+
+ pEvdevMultitouch = pInfo->private;
+
+ pData = &(pEvdevMultitouch->vals_mt[0]);
+
+ if (!pData->containsValues) {
+ return;
+ }
+
+ pSubdev = pInfo;
+ pData->containsValues = FALSE;
+ EvdevMultitouchCopyFromData(pSubdev, pData);
+ pEvdevMultitouchSubdev = pSubdev->private;
+ pEvdevMultitouchSubdev->mt = 0;
+ pEvdevMultitouchSubdev->abs = pData->abs;
+ pEvdevMultitouchSubdev->rel = 0;
+ pEvdevMultitouchSubdev->tool = 1;
+ /* droping of the pressed/released events */
+ memset(pEvdevMultitouchSubdev->queue, 0, sizeof(pEvdevMultitouchSubdev->queue));
+ pEvdevMultitouchSubdev->num_queue = 0;
+
+ /* generate button press/release event */
+ if(pEvdevMultitouchSubdev->abs & ABS_MT_TOUCH_MAJOR_VALUE)
+ {
+ if(pEvdevMultitouchSubdev->vals[pEvdevMultitouchSubdev->axis_map[ABS_MT_TOUCH_MAJOR]] )
+ {
+ if(pEvdevMultitouchSubdev->touch_state == 0)
+ {
+ EvdevMultitouchQueueButtonEvent(pSubdev, 1, 1);
+ pEvdevMultitouchSubdev->touch_state = 1;
+ g_pressed = 1;
+#ifdef _F_GESTURE_EXTENSION_
+ EvdevMultitouchFrameSync(pInfo, MTOUCH_FRAME_SYNC_BEGIN);
+#endif//_F_GESTURE_EXTENSION_
+ if(vsync_input_table)
+ {
+ vsync_input_table->start_sync(vsync_input_table->sync_arg);
+ vsync_debug_start();
+ }
+ }
+ }
+ else
+ {
+ g_pressed = 0;
+ if(vsync_input_table)
+ {
+ vsync_input_table->stop_sync(vsync_input_table->sync_arg);
+ vsync_debug_stop();
+ }
+ EvdevMultitouchQueueButtonEvent(pSubdev, 1, 0);
+ pEvdevMultitouchSubdev->touch_state = 0;
+ pEvdevMultitouchSubdev->evtime = 0;
+ }
+ }
+
+ EvdevMultitouchProcessSyncEvent(pSubdev, ev);
+}
+
+/**
+ * Post the relative motion events.
+ */
+void
+EvdevMultitouchPostRelativeMotionEvents(InputInfoPtr pInfo, int *num_v, int *first_v,
+ int v[MAX_VALUATORS])
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ if (pEvdevMultitouch->rel) {
+ xf86PostMotionEventP(pInfo->dev, FALSE, *first_v, *num_v, v + *first_v);
+ }
+}
+
+/**
+ * Post the absolute motion events.
+ */
+void
+EvdevMultitouchPostAbsoluteMotionEvents(InputInfoPtr pInfo, int *num_v, int *first_v,
+ int v[MAX_VALUATORS])
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ /*
+ * Some devices only generate valid abs coords when BTN_DIGI is
+ * pressed. On wacom tablets, this means that the pen is in
+ * proximity of the tablet. After the pen is removed, BTN_DIGI is
+ * released, and a (0, 0) absolute event is generated. Checking
+ * pEvdevMultitouch->digi here, lets us ignore that event. pEvdevMultitouch is
+ * initialized to 1 so devices that doesn't use this scheme still
+ * just works.
+ */
+ if (pEvdevMultitouch->abs && pEvdevMultitouch->tool) {
+ xf86PostMotionEventP(pInfo->dev, TRUE, *first_v, *num_v, v);
+ }
+}
+
+/**
+ * Post the queued key/button events.
+ */
+static void EvdevMultitouchPostQueuedEvents(InputInfoPtr pInfo, int *num_v, int *first_v,
+ int v[MAX_VALUATORS])
+{
+ int i;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ for (i = 0; i < pEvdevMultitouch->num_queue; i++) {
+ switch (pEvdevMultitouch->queue[i].type) {
+ case EV_QUEUE_KEY:
+ xf86PostKeyboardEvent(pInfo->dev, pEvdevMultitouch->queue[i].key,
+ pEvdevMultitouch->queue[i].val);
+ break;
+ case EV_QUEUE_BTN:
+ /* FIXME: Add xf86PostButtonEventP to the X server so that we may
+ * pass the valuators on ButtonPress/Release events, too. Currently
+ * only MotionNotify events contain the pointer position. */
+ xf86PostButtonEvent(pInfo->dev, 0, pEvdevMultitouch->queue[i].key,
+ pEvdevMultitouch->queue[i].val, 0, 0);
+ break;
+ }
+ }
+}
+static void
+EvdevMultitouchCopyFromData(InputInfoPtr pInfo, EvdevMultitouchDataMTPtr pData) {
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ memcpy(pEvdevMultitouch->vals, pData->vals, MAX_VALUATORS * sizeof(int));
+ /* we drop the buttons/key events */
+}
+
+static void
+EvdevMultitouchStoreMTData(InputInfoPtr pInfo, EvdevMultitouchDataMTPtr pData) {
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ int id,x,y;
+ Time currentTime = GetTimeInMillis();
+
+ id = pEvdevMultitouch->current_id;
+
+ if(pEvdevMultitouch->abs & ABS_MT_X_VALUE)
+ x = pEvdevMultitouch->vals[pEvdevMultitouch->axis_map[ABS_MT_POSITION_X]];
+ else
+ x = pData->vals[pEvdevMultitouch->axis_map[ABS_X]];
+
+ if(pEvdevMultitouch->abs & ABS_MT_Y_VALUE)
+ y = pEvdevMultitouch->vals[pEvdevMultitouch->axis_map[ABS_MT_POSITION_Y]];
+ else
+ y = pData->vals[pEvdevMultitouch->axis_map[ABS_Y]];
+
+ {
+ EvdevMultitouchPtr pEvdevMultitouchSub = pData->pInfo->private;
+ pEvdevMultitouchSub->evtime = currentTime;
+ }
+
+ pData->id = id;
+ memcpy(pData->vals, pEvdevMultitouch->vals, MAX_VALUATORS * sizeof(int));
+ pData->vals[pEvdevMultitouch->axis_map[ABS_X]] = x;
+ pData->vals[pEvdevMultitouch->axis_map[ABS_Y]] = y;
+ pData->containsValues = TRUE;
+ pData->expires = currentTime + pEvdevMultitouch->timeout;
+ pData->abs = pEvdevMultitouch->abs;
+
+ return;
+}
+
+/**
+ * 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
+EvdevMultitouchProcessMTSyncReport(InputInfoPtr pInfo, struct input_event *ev)
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ int id;
+
+ id = pEvdevMultitouch->current_id;
+
+ if (id < 0) {
+ EvdevMultitouchReinitPEvdevMultitouch(pInfo);
+ return;
+ }
+
+ if(pEvdevMultitouch->num_multitouch == 0) //Single mode
+ {
+ if(id != 0)
+ {
+ EvdevMultitouchReinitPEvdevMultitouch(pInfo);
+ return;
+ }
+ }
+ else
+ {
+ if (id > pEvdevMultitouch->num_multitouch-1)
+ {
+ EvdevMultitouchReinitPEvdevMultitouch(pInfo);
+ return;
+ }
+ }
+
+ EvdevMultitouchStoreMTData(pInfo, &(pEvdevMultitouch->vals_mt[id]));
+ EvdevMultitouchReinitPEvdevMultitouch(pInfo);
+ pEvdevMultitouch->mt = 1;
+ pEvdevMultitouch->sync_mt = 1;
+}
+
+static void
+EvdevMultitouchReinitPEvdevMultitouch(InputInfoPtr pInfo) {
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ memset(pEvdevMultitouch->delta, 0, sizeof(pEvdevMultitouch->delta));
+ memset(pEvdevMultitouch->queue, 0, sizeof(pEvdevMultitouch->queue));
+ pEvdevMultitouch->num_queue = 0;
+ pEvdevMultitouch->abs = 0;
+ pEvdevMultitouch->rel = 0;
+ pEvdevMultitouch->mt = 0;
+ pEvdevMultitouch->num_mt = 0;
+ pEvdevMultitouch->current_id = -1;
+ pEvdevMultitouch->sync_mt = 0;
+}
+
+/**
+ * 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
+EvdevMultitouchProcessSyncEvent(InputInfoPtr pInfo, struct input_event *ev)
+{
+ int num_v = 0, first_v = 0;
+ int v[MAX_VALUATORS];
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ if (ev->code == SYN_MT_REPORT) {
+ EvdevMultitouchProcessMTSyncReport(pInfo, ev);
+ return;
+ }
+
+ if( 0 <= pEvdevMultitouch->current_id && !pEvdevMultitouch->sync_mt )
+ {
+#ifdef _DEBUG_MT_SEQUENCE_
+ if( pEvdevMultitouch->vals[pEvdevMultitouch->axis_map[ABS_MT_TOUCH_MAJOR]] )
+ ErrorF("[SyncEvent] Press or Motion !(current->id=%d)\n", pEvdevMultitouch->current_id);
+ else
+ ErrorF("[SyncEvent] Release!(current->id=%d)\n\n", pEvdevMultitouch->current_id);
+#endif
+
+ EvdevMultitouchProcessMTSyncReport(pInfo, ev);
+ }
+
+ if (pEvdevMultitouch->mt) {
+ if(pEvdevMultitouch->num_multitouch > 1)
+ {
+ EvdevMultitouchPostMTMotionEvents(pInfo, ev);
+ }
+ else
+ {
+ EvdevMultitouchPostMTMotionEventsBySingle(pInfo, ev);
+ }
+ } else {
+ EvdevMultitouchProcessValuators(pInfo, v, &num_v, &first_v);
+
+ vsync_debug_set_slot("Input %d %d %d", 1, v[0], v[1]);
+
+ EvdevMultitouchPostRelativeMotionEvents(pInfo, &num_v, &first_v, v);
+ EvdevMultitouchPostAbsoluteMotionEvents(pInfo, &num_v, &first_v, v);
+ EvdevMultitouchPostQueuedEvents(pInfo, &num_v, &first_v, v);
+#ifdef _F_GESTURE_EXTENSION_
+ if( !g_pressed )
+ EvdevMultitouchFrameSync(pInfo, MTOUCH_FRAME_SYNC_END);
+#endif//_F_GESTURE_EXTENSION_
+ }
+
+ EvdevMultitouchReinitPEvdevMultitouch(pInfo);
+}
+
+/**
+ * Take the trackingID input event and process it accordingly.
+ */
+static void
+EvdevMultitouchProcessTrackingIDEvent(InputInfoPtr pInfo, struct input_event *ev)
+{
+ // begining of a new touch
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ pEvdevMultitouch->last_slot = pEvdevMultitouch->current_id = ev->value;
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("[TrackingIDEvent] current_id=%d, last_slot=%d\n", pEvdevMultitouch->current_id, pEvdevMultitouch->last_slot);
+#endif
+}
+
+/**
+ * Process the events from the device; nothing is actually posted to the server
+ * until an EV_SYN event is received.
+ */
+static char* ev_name(int type, int code, int value)
+{
+ static char ename[100];
+
+ char *stype = NULL;
+ char *scode = NULL;
+ char *svalue = NULL;
+
+ char ttype[50];
+ char tcode[50];
+ char tvalue[50];
+
+ switch(type)
+ {
+ case EV_SYN:
+ stype = "EV_SYNC";
+ switch(code)
+ {
+ case SYN_REPORT:
+ scode = "SYN_REPORT";
+ break;
+ case SYN_CONFIG:
+ scode = "SYN_CONFIG";
+ break;
+ case SYN_MT_REPORT:
+ scode = "SYN_MT_REPORT";
+ break;
+ }
+ break;
+ case EV_KEY:
+ stype = "EV_KEY";
+ break;
+ case EV_REL:
+ stype = "EV_REL";
+ break;
+ case EV_ABS:
+ stype = "EV_ABS";
+ switch(code)
+ {
+ case ABS_X:
+ scode = "ABS_X";
+ break;
+ case ABS_Y:
+ scode = "ABS_Y";
+ break;
+ case ABS_PRESSURE:
+ scode = "ABS_PRESSURE";
+ break;
+ case ABS_MT_TOUCH_MAJOR:
+ scode = "ABS_MT_TOUCH_MAJOR";
+ break;
+ case ABS_MT_TOUCH_MINOR:
+ scode = "ABS_MT_TOUCH_MINOR";
+ break;
+ case ABS_MT_WIDTH_MAJOR:
+ scode = "ABS_MT_WIDTH_MAJOR";
+ break;
+ case ABS_MT_WIDTH_MINOR:
+ scode = "ABS_MT_WIDTH_MINOR";
+ break;
+ case ABS_MT_ORIENTATION:
+ scode = "ABS_MT_ORIENTATION";
+ break;
+ case ABS_MT_POSITION_X:
+ scode = "ABS_MT_POSITION_X";
+ break;
+ case ABS_MT_POSITION_Y:
+ scode = "ABS_MT_POSITION_Y";
+ break;
+ case ABS_MT_TOOL_TYPE:
+ scode = "ABS_MT_TOOL_TYPE";
+ break;
+ case ABS_MT_BLOB_ID:
+ scode = "ABS_MT_BLOB_ID";
+ break;
+ case ABS_MT_TRACKING_ID:
+ scode = "ABS_MT_TRACKING_ID";
+ break;
+ case ABS_MT_SLOT:
+ scode = "ABS_MT_SLOT";
+ break;
+ }
+ default:
+ break;
+ }
+
+ if(!stype)
+ {
+ sprintf(ttype, "T(0x%x)", type);
+ stype = ttype;
+ }
+
+ if(!scode)
+ {
+ sprintf(tcode, "C(0x%x)", code);
+ scode = tcode;
+ }
+
+ if(!svalue)
+ {
+ sprintf(tvalue, "V(%d)",value);
+ svalue = tvalue;
+ }
+
+ sprintf(ename, "%s : %s : %s", stype, scode, svalue);
+ return ename;
+}
+
+static void EvdevMultitouchFakeOmittedEvents(InputInfoPtr pInfo)
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ if( !(pEvdevMultitouch->abs & ABS_MT_TOUCH_MAJOR_VALUE) )
+ {
+ pEvdevMultitouch->vals[pEvdevMultitouch->axis_map[ABS_MT_TOUCH_MAJOR]] = 1;
+ pEvdevMultitouch->abs |= ABS_MT_TOUCH_MAJOR_VALUE;
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("\t...Fake ABS_MT_TOUCH_MAJOR\n");
+#endif
+ }
+
+ if( pEvdevMultitouch->current_id < 0 )
+ {
+ pEvdevMultitouch->current_id = pEvdevMultitouch->last_slot;
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("\t...Fake ABS_MT_SLOT (current_id=%d)\n", pEvdevMultitouch->current_id);
+#endif
+ }
+}
+
+static void
+EvdevMultitouchProcessEvent(InputInfoPtr pInfo, struct input_event *ev)
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ switch (ev->type) {
+ case EV_REL:
+ return;
+ EvdevMultitouchProcessRelativeMotionEvent(pInfo, ev);
+ break;
+ case EV_ABS:
+ switch(ev->code)
+ {
+ case ABS_X:
+ case ABS_Y:
+ case ABS_PRESSURE:
+ return;
+ }
+
+ if( ev->code == ABS_MT_TRACKING_ID )
+ {
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("[ProcessEvent] ABS_MT_TRACKING_ID (value=%d)\n", ev->value);
+#endif
+
+ if( pEvdevMultitouch->mt_slot_supported )
+ {//MT protocol B Type
+ if( pEvdevMultitouch->current_id < 0 )
+ {
+ pEvdevMultitouch->current_id = pEvdevMultitouch->last_slot;
+ }
+
+ if( 0 > ev->value )//ABS_MT_TRACKING_ID == -1
+ {
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("\t...Fake ABS_MT_TOUCH_MAJOR\n");
+#endif
+ pEvdevMultitouch->vals[pEvdevMultitouch->axis_map[ABS_MT_TOUCH_MAJOR]] = 0;
+ pEvdevMultitouch->abs |= ABS_MT_TOUCH_MAJOR_VALUE;
+ }
+ }
+ else
+ {//MT protocol A Type
+ EvdevMultitouchProcessTrackingIDEvent(pInfo, ev);
+ }
+ }
+
+ if (ev->code == ABS_MT_SLOT)
+ {
+#ifdef _DEBUG_MT_SEQUENCE_
+ ErrorF("[ProcessEvent] ABS_MT_SLOT (value=%d)\n", ev->value);
+#endif
+ EvdevMultitouchProcessTrackingIDEvent(pInfo, ev);
+ }
+ else
+ {
+ EvdevMultitouchProcessAbsoluteMotionEvent(pInfo, ev);
+ }
+ break;
+ case EV_KEY:
+ return;
+ EvdevMultitouchProcessKeyEvent(pInfo, ev);
+ break;
+ case EV_SYN:
+#ifdef _DEBUG_MT_SEQUENCE_
+ if( ev->code == SYN_MT_REPORT )
+ ErrorF("[ProcessEvent] SYN_MT_REPORT (value=%d)\n", ev->value);
+ else
+ ErrorF("[ProcessEvent] SYN_REPORT (value=%d)\n", ev->value);
+#endif
+ EvdevMultitouchProcessSyncEvent(pInfo, ev);
+ break;
+ }
+}
+
+#undef ABS_X_VALUE
+#undef ABS_Y_VALUE
+#undef ABS_VALUE
+
+/* just a magic number to reduce the number of reads */
+#define NUM_EVENTS 16
+
+/**
+ * Empty callback for subdevice.
+ */
+static void
+EvdevMultitouchSubdevReadInput(InputInfoPtr pInfo) {
+ return;
+}
+
+static void
+EvdevMultitouchReadInput(InputInfoPtr pInfo)
+{
+ struct input_event ev[NUM_EVENTS];
+ int i, len = sizeof(ev);
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ while (len == sizeof(ev))
+ {
+ len = read(pInfo->fd, &ev, sizeof(ev));
+ if (len <= 0)
+ {
+ if (errno == ENODEV) /* May happen after resume */
+ {
+ EvdevMultitouchMBEmuFinalize(pInfo);
+ xf86RemoveEnabledDevice(pInfo);
+ close(pInfo->fd);
+ pInfo->fd = -1;
+ if (pEvdevMultitouch->reopen_timer)
+ {
+ pEvdevMultitouch->reopen_left = pEvdevMultitouch->reopen_attempts;
+ pEvdevMultitouch->reopen_timer = TimerSet(pEvdevMultitouch->reopen_timer, 0, 100, EvdevMultitouchReopenTimer, 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++)
+ EvdevMultitouchProcessEvent(pInfo, &ev[i]);
+ }
+}
+
+#define TestBit(bit, array) ((array[(bit) / LONG_BITS]) & (1L << ((bit) % LONG_BITS)))
+
+static void
+EvdevMultitouchPtrCtrlProc(DeviceIntPtr device, PtrCtrl *ctrl)
+{
+ /* Nothing to do, dix handles all settings */
+}
+
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 5
+static KeySym map[] = {
+ /* 0x00 */ NoSymbol, NoSymbol,
+ /* 0x01 */ XK_Escape, NoSymbol,
+ /* 0x02 */ XK_1, XK_exclam,
+ /* 0x03 */ XK_2, XK_at,
+ /* 0x04 */ XK_3, XK_numbersign,
+ /* 0x05 */ XK_4, XK_dollar,
+ /* 0x06 */ XK_5, XK_percent,
+ /* 0x07 */ XK_6, XK_asciicircum,
+ /* 0x08 */ XK_7, XK_ampersand,
+ /* 0x09 */ XK_8, XK_asterisk,
+ /* 0x0a */ XK_9, XK_parenleft,
+ /* 0x0b */ XK_0, XK_parenright,
+ /* 0x0c */ XK_minus, XK_underscore,
+ /* 0x0d */ XK_equal, XK_plus,
+ /* 0x0e */ XK_BackSpace, NoSymbol,
+ /* 0x0f */ XK_Tab, XK_ISO_Left_Tab,
+ /* 0x10 */ XK_Q, NoSymbol,
+ /* 0x11 */ XK_W, NoSymbol,
+ /* 0x12 */ XK_E, NoSymbol,
+ /* 0x13 */ XK_R, NoSymbol,
+ /* 0x14 */ XK_T, NoSymbol,
+ /* 0x15 */ XK_Y, NoSymbol,
+ /* 0x16 */ XK_U, NoSymbol,
+ /* 0x17 */ XK_I, NoSymbol,
+ /* 0x18 */ XK_O, NoSymbol,
+ /* 0x19 */ XK_P, NoSymbol,
+ /* 0x1a */ XK_bracketleft, XK_braceleft,
+ /* 0x1b */ XK_bracketright,XK_braceright,
+ /* 0x1c */ XK_Return, NoSymbol,
+ /* 0x1d */ XK_Control_L, NoSymbol,
+ /* 0x1e */ XK_A, NoSymbol,
+ /* 0x1f */ XK_S, NoSymbol,
+ /* 0x20 */ XK_D, NoSymbol,
+ /* 0x21 */ XK_F, NoSymbol,
+ /* 0x22 */ XK_G, NoSymbol,
+ /* 0x23 */ XK_H, NoSymbol,
+ /* 0x24 */ XK_J, NoSymbol,
+ /* 0x25 */ XK_K, NoSymbol,
+ /* 0x26 */ XK_L, NoSymbol,
+ /* 0x27 */ XK_semicolon, XK_colon,
+ /* 0x28 */ XK_quoteright, XK_quotedbl,
+ /* 0x29 */ XK_quoteleft, XK_asciitilde,
+ /* 0x2a */ XK_Shift_L, NoSymbol,
+ /* 0x2b */ XK_backslash, XK_bar,
+ /* 0x2c */ XK_Z, NoSymbol,
+ /* 0x2d */ XK_X, NoSymbol,
+ /* 0x2e */ XK_C, NoSymbol,
+ /* 0x2f */ XK_V, NoSymbol,
+ /* 0x30 */ XK_B, NoSymbol,
+ /* 0x31 */ XK_N, NoSymbol,
+ /* 0x32 */ XK_M, NoSymbol,
+ /* 0x33 */ XK_comma, XK_less,
+ /* 0x34 */ XK_period, XK_greater,
+ /* 0x35 */ XK_slash, XK_question,
+ /* 0x36 */ XK_Shift_R, NoSymbol,
+ /* 0x37 */ XK_KP_Multiply, NoSymbol,
+ /* 0x38 */ XK_Alt_L, XK_Meta_L,
+ /* 0x39 */ XK_space, NoSymbol,
+ /* 0x3a */ XK_Caps_Lock, NoSymbol,
+ /* 0x3b */ XK_F1, NoSymbol,
+ /* 0x3c */ XK_F2, NoSymbol,
+ /* 0x3d */ XK_F3, NoSymbol,
+ /* 0x3e */ XK_F4, NoSymbol,
+ /* 0x3f */ XK_F5, NoSymbol,
+ /* 0x40 */ XK_F6, NoSymbol,
+ /* 0x41 */ XK_F7, NoSymbol,
+ /* 0x42 */ XK_F8, NoSymbol,
+ /* 0x43 */ XK_F9, NoSymbol,
+ /* 0x44 */ XK_F10, NoSymbol,
+ /* 0x45 */ XK_Num_Lock, NoSymbol,
+ /* 0x46 */ XK_Scroll_Lock, NoSymbol,
+ /* These KP keys should have the KP_7 keysyms in the numlock
+ * modifer... ? */
+ /* 0x47 */ XK_KP_Home, XK_KP_7,
+ /* 0x48 */ XK_KP_Up, XK_KP_8,
+ /* 0x49 */ XK_KP_Prior, XK_KP_9,
+ /* 0x4a */ XK_KP_Subtract, NoSymbol,
+ /* 0x4b */ XK_KP_Left, XK_KP_4,
+ /* 0x4c */ XK_KP_Begin, XK_KP_5,
+ /* 0x4d */ XK_KP_Right, XK_KP_6,
+ /* 0x4e */ XK_KP_Add, NoSymbol,
+ /* 0x4f */ XK_KP_End, XK_KP_1,
+ /* 0x50 */ XK_KP_Down, XK_KP_2,
+ /* 0x51 */ XK_KP_Next, XK_KP_3,
+ /* 0x52 */ XK_KP_Insert, XK_KP_0,
+ /* 0x53 */ XK_KP_Delete, XK_KP_Decimal,
+ /* 0x54 */ NoSymbol, NoSymbol,
+ /* 0x55 */ XK_F13, NoSymbol,
+ /* 0x56 */ XK_less, XK_greater,
+ /* 0x57 */ XK_F11, NoSymbol,
+ /* 0x58 */ XK_F12, NoSymbol,
+ /* 0x59 */ XK_F14, NoSymbol,
+ /* 0x5a */ XK_F15, NoSymbol,
+ /* 0x5b */ XK_F16, NoSymbol,
+ /* 0x5c */ XK_F17, NoSymbol,
+ /* 0x5d */ XK_F18, NoSymbol,
+ /* 0x5e */ XK_F19, NoSymbol,
+ /* 0x5f */ XK_F20, NoSymbol,
+ /* 0x60 */ XK_KP_Enter, NoSymbol,
+ /* 0x61 */ XK_Control_R, NoSymbol,
+ /* 0x62 */ XK_KP_Divide, NoSymbol,
+ /* 0x63 */ XK_Print, XK_Sys_Req,
+ /* 0x64 */ XK_Alt_R, XK_Meta_R,
+ /* 0x65 */ NoSymbol, NoSymbol, /* KEY_LINEFEED */
+ /* 0x66 */ XK_Home, NoSymbol,
+ /* 0x67 */ XK_Up, NoSymbol,
+ /* 0x68 */ XK_Prior, NoSymbol,
+ /* 0x69 */ XK_Left, NoSymbol,
+ /* 0x6a */ XK_Right, NoSymbol,
+ /* 0x6b */ XK_End, NoSymbol,
+ /* 0x6c */ XK_Down, NoSymbol,
+ /* 0x6d */ XK_Next, NoSymbol,
+ /* 0x6e */ XK_Insert, NoSymbol,
+ /* 0x6f */ XK_Delete, NoSymbol,
+ /* 0x70 */ NoSymbol, NoSymbol, /* KEY_MACRO */
+ /* 0x71 */ NoSymbol, NoSymbol,
+ /* 0x72 */ NoSymbol, NoSymbol,
+ /* 0x73 */ NoSymbol, NoSymbol,
+ /* 0x74 */ NoSymbol, NoSymbol,
+ /* 0x75 */ XK_KP_Equal, NoSymbol,
+ /* 0x76 */ NoSymbol, NoSymbol,
+ /* 0x77 */ NoSymbol, NoSymbol,
+ /* 0x78 */ XK_F21, NoSymbol,
+ /* 0x79 */ XK_F22, NoSymbol,
+ /* 0x7a */ XK_F23, NoSymbol,
+ /* 0x7b */ XK_F24, NoSymbol,
+ /* 0x7c */ XK_KP_Separator, NoSymbol,
+ /* 0x7d */ XK_Meta_L, NoSymbol,
+ /* 0x7e */ XK_Meta_R, NoSymbol,
+ /* 0x7f */ XK_Multi_key, NoSymbol,
+ /* 0x80 */ NoSymbol, NoSymbol,
+ /* 0x81 */ NoSymbol, NoSymbol,
+ /* 0x82 */ NoSymbol, NoSymbol,
+ /* 0x83 */ NoSymbol, NoSymbol,
+ /* 0x84 */ NoSymbol, NoSymbol,
+ /* 0x85 */ NoSymbol, NoSymbol,
+ /* 0x86 */ NoSymbol, NoSymbol,
+ /* 0x87 */ NoSymbol, NoSymbol,
+ /* 0x88 */ NoSymbol, NoSymbol,
+ /* 0x89 */ NoSymbol, NoSymbol,
+ /* 0x8a */ NoSymbol, NoSymbol,
+ /* 0x8b */ NoSymbol, NoSymbol,
+ /* 0x8c */ NoSymbol, NoSymbol,
+ /* 0x8d */ NoSymbol, NoSymbol,
+ /* 0x8e */ NoSymbol, NoSymbol,
+ /* 0x8f */ NoSymbol, NoSymbol,
+ /* 0x90 */ NoSymbol, NoSymbol,
+ /* 0x91 */ NoSymbol, NoSymbol,
+ /* 0x92 */ NoSymbol, NoSymbol,
+ /* 0x93 */ NoSymbol, NoSymbol,
+ /* 0x94 */ NoSymbol, NoSymbol,
+ /* 0x95 */ NoSymbol, NoSymbol,
+ /* 0x96 */ NoSymbol, NoSymbol,
+ /* 0x97 */ NoSymbol, NoSymbol,
+ /* 0x98 */ NoSymbol, NoSymbol,
+ /* 0x99 */ NoSymbol, NoSymbol,
+ /* 0x9a */ NoSymbol, NoSymbol,
+ /* 0x9b */ NoSymbol, NoSymbol,
+ /* 0x9c */ NoSymbol, NoSymbol,
+ /* 0x9d */ NoSymbol, NoSymbol,
+ /* 0x9e */ NoSymbol, NoSymbol,
+ /* 0x9f */ NoSymbol, NoSymbol,
+ /* 0xa0 */ NoSymbol, NoSymbol,
+ /* 0xa1 */ NoSymbol, NoSymbol,
+ /* 0xa2 */ NoSymbol, NoSymbol,
+ /* 0xa3 */ NoSymbol, NoSymbol,
+ /* 0xa4 */ NoSymbol, NoSymbol,
+ /* 0xa5 */ NoSymbol, NoSymbol,
+ /* 0xa6 */ NoSymbol, NoSymbol,
+ /* 0xa7 */ NoSymbol, NoSymbol,
+ /* 0xa8 */ NoSymbol, NoSymbol,
+ /* 0xa9 */ NoSymbol, NoSymbol,
+ /* 0xaa */ NoSymbol, NoSymbol,
+ /* 0xab */ NoSymbol, NoSymbol,
+ /* 0xac */ NoSymbol, NoSymbol,
+ /* 0xad */ NoSymbol, NoSymbol,
+ /* 0xae */ NoSymbol, NoSymbol,
+ /* 0xaf */ NoSymbol, NoSymbol,
+ /* 0xb0 */ NoSymbol, NoSymbol,
+ /* 0xb1 */ NoSymbol, NoSymbol,
+ /* 0xb2 */ NoSymbol, NoSymbol,
+ /* 0xb3 */ NoSymbol, NoSymbol,
+ /* 0xb4 */ NoSymbol, NoSymbol,
+ /* 0xb5 */ NoSymbol, NoSymbol,
+ /* 0xb6 */ NoSymbol, NoSymbol,
+ /* 0xb7 */ NoSymbol, NoSymbol,
+ /* 0xb8 */ NoSymbol, NoSymbol,
+ /* 0xb9 */ NoSymbol, NoSymbol,
+ /* 0xba */ NoSymbol, NoSymbol,
+ /* 0xbb */ NoSymbol, NoSymbol,
+ /* 0xbc */ NoSymbol, NoSymbol,
+ /* 0xbd */ NoSymbol, NoSymbol,
+ /* 0xbe */ NoSymbol, NoSymbol,
+ /* 0xbf */ NoSymbol, NoSymbol,
+ /* 0xc0 */ NoSymbol, NoSymbol,
+ /* 0xc1 */ NoSymbol, NoSymbol,
+ /* 0xc2 */ NoSymbol, NoSymbol,
+ /* 0xc3 */ NoSymbol, NoSymbol,
+ /* 0xc4 */ NoSymbol, NoSymbol,
+ /* 0xc5 */ NoSymbol, NoSymbol,
+ /* 0xc6 */ NoSymbol, NoSymbol,
+ /* 0xc7 */ NoSymbol, NoSymbol,
+ /* 0xc8 */ NoSymbol, NoSymbol,
+ /* 0xc9 */ NoSymbol, NoSymbol,
+ /* 0xca */ NoSymbol, NoSymbol,
+ /* 0xcb */ NoSymbol, NoSymbol,
+ /* 0xcc */ NoSymbol, NoSymbol,
+ /* 0xcd */ NoSymbol, NoSymbol,
+ /* 0xce */ NoSymbol, NoSymbol,
+ /* 0xcf */ NoSymbol, NoSymbol,
+ /* 0xd0 */ NoSymbol, NoSymbol,
+ /* 0xd1 */ NoSymbol, NoSymbol,
+ /* 0xd2 */ NoSymbol, NoSymbol,
+ /* 0xd3 */ NoSymbol, NoSymbol,
+ /* 0xd4 */ NoSymbol, NoSymbol,
+ /* 0xd5 */ NoSymbol, NoSymbol,
+ /* 0xd6 */ NoSymbol, NoSymbol,
+ /* 0xd7 */ NoSymbol, NoSymbol,
+ /* 0xd8 */ NoSymbol, NoSymbol,
+ /* 0xd9 */ NoSymbol, NoSymbol,
+ /* 0xda */ NoSymbol, NoSymbol,
+ /* 0xdb */ NoSymbol, NoSymbol,
+ /* 0xdc */ NoSymbol, NoSymbol,
+ /* 0xdd */ NoSymbol, NoSymbol,
+ /* 0xde */ NoSymbol, NoSymbol,
+ /* 0xdf */ NoSymbol, NoSymbol,
+ /* 0xe0 */ NoSymbol, NoSymbol,
+ /* 0xe1 */ NoSymbol, NoSymbol,
+ /* 0xe2 */ NoSymbol, NoSymbol,
+ /* 0xe3 */ NoSymbol, NoSymbol,
+ /* 0xe4 */ NoSymbol, NoSymbol,
+ /* 0xe5 */ NoSymbol, NoSymbol,
+ /* 0xe6 */ NoSymbol, NoSymbol,
+ /* 0xe7 */ NoSymbol, NoSymbol,
+ /* 0xe8 */ NoSymbol, NoSymbol,
+ /* 0xe9 */ NoSymbol, NoSymbol,
+ /* 0xea */ NoSymbol, NoSymbol,
+ /* 0xeb */ NoSymbol, NoSymbol,
+ /* 0xec */ NoSymbol, NoSymbol,
+ /* 0xed */ NoSymbol, NoSymbol,
+ /* 0xee */ NoSymbol, NoSymbol,
+ /* 0xef */ NoSymbol, NoSymbol,
+ /* 0xf0 */ NoSymbol, NoSymbol,
+ /* 0xf1 */ NoSymbol, NoSymbol,
+ /* 0xf2 */ NoSymbol, NoSymbol,
+ /* 0xf3 */ NoSymbol, NoSymbol,
+ /* 0xf4 */ NoSymbol, NoSymbol,
+ /* 0xf5 */ NoSymbol, NoSymbol,
+ /* 0xf6 */ NoSymbol, NoSymbol,
+ /* 0xf7 */ NoSymbol, NoSymbol,
+};
+
+static struct { KeySym keysym; CARD8 mask; } modifiers[] = {
+ { XK_Shift_L, ShiftMask },
+ { XK_Shift_R, ShiftMask },
+ { XK_Control_L, ControlMask },
+ { XK_Control_R, ControlMask },
+ { XK_Caps_Lock, LockMask },
+ { XK_Alt_L, AltMask },
+ { XK_Alt_R, AltMask },
+ { XK_Meta_L, Mod4Mask },
+ { XK_Meta_R, Mod4Mask },
+ { XK_Num_Lock, NumLockMask },
+ { XK_Scroll_Lock, ScrollLockMask },
+ { XK_Mode_switch, AltLangMask }
+};
+
+/* Server 1.6 and earlier */
+static int
+EvdevMultitouchInitKeysyms(DeviceIntPtr device)
+{
+ InputInfoPtr pInfo;
+ EvdevMultitouchPtr pEvdevMultitouch;
+ KeySymsRec keySyms;
+ CARD8 modMap[MAP_LENGTH];
+ KeySym sym;
+ int i, j;
+
+ pInfo = device->public.devicePrivate;
+ pEvdevMultitouch = pInfo->private;
+
+ /* Compute the modifier map */
+ memset(modMap, 0, sizeof modMap);
+
+ for (i = 0; i < ArrayLength(map) / GLYPHS_PER_KEY; i++) {
+ sym = map[i * GLYPHS_PER_KEY];
+ for (j = 0; j < ArrayLength(modifiers); j++) {
+ if (modifiers[j].keysym == sym)
+ modMap[i + MIN_KEYCODE] = modifiers[j].mask;
+ }
+ }
+
+ keySyms.map = map;
+ keySyms.mapWidth = GLYPHS_PER_KEY;
+ keySyms.minKeyCode = MIN_KEYCODE;
+ keySyms.maxKeyCode = MIN_KEYCODE + ArrayLength(map) / GLYPHS_PER_KEY - 1;
+
+ XkbSetRulesDflts(pEvdevMultitouch->rmlvo.rules, pEvdevMultitouch->rmlvo.model,
+ pEvdevMultitouch->rmlvo.layout, pEvdevMultitouch->rmlvo.variant,
+ pEvdevMultitouch->rmlvo.options);
+ if (!XkbInitKeyboardDeviceStruct(device, &pEvdevMultitouch->xkbnames,
+ &keySyms, modMap, NULL,
+ EvdevMultitouchKbdCtrl))
+ return 0;
+
+ return 1;
+}
+#endif
+
+static void
+EvdevMultitouchKbdCtrl(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
+EvdevMultitouchAddKeyClass(DeviceIntPtr device)
+{
+ InputInfoPtr pInfo;
+ EvdevMultitouchPtr pEvdevMultitouch;
+
+ pInfo = device->public.devicePrivate;
+ pEvdevMultitouch = pInfo->private;
+
+ /* sorry, no rules change allowed for you */
+ xf86ReplaceStrOption(pInfo->options, "xkb_rules", "evdevmultitouch");
+ SetXkbOption(pInfo, "xkb_rules", &pEvdevMultitouch->rmlvo.rules);
+ SetXkbOption(pInfo, "xkb_model", &pEvdevMultitouch->rmlvo.model);
+ if (!pEvdevMultitouch->rmlvo.model)
+ SetXkbOption(pInfo, "XkbModel", &pEvdevMultitouch->rmlvo.model);
+ SetXkbOption(pInfo, "xkb_layout", &pEvdevMultitouch->rmlvo.layout);
+ if (!pEvdevMultitouch->rmlvo.layout)
+ SetXkbOption(pInfo, "XkbLayout", &pEvdevMultitouch->rmlvo.layout);
+ SetXkbOption(pInfo, "xkb_variant", &pEvdevMultitouch->rmlvo.variant);
+ if (!pEvdevMultitouch->rmlvo.variant)
+ SetXkbOption(pInfo, "XkbVariant", &pEvdevMultitouch->rmlvo.variant);
+ SetXkbOption(pInfo, "xkb_options", &pEvdevMultitouch->rmlvo.options);
+ if (!pEvdevMultitouch->rmlvo.options)
+ SetXkbOption(pInfo, "XkbOptions", &pEvdevMultitouch->rmlvo.options);
+
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 5
+ if (!InitKeyboardDeviceStruct(device, &pEvdevMultitouch->rmlvo, NULL, EvdevMultitouchKbdCtrl))
+ return !Success;
+#else
+ if (!EvdevMultitouchInitKeysyms(device))
+ return !Success;
+
+#endif
+
+ pInfo->flags |= XI86_KEYBOARD_CAPABLE;
+
+ return Success;
+}
+
+static int
+EvdevMultitouchAddAbsClass(DeviceIntPtr device)
+{
+ InputInfoPtr pInfo;
+ EvdevMultitouchPtr pEvdevMultitouch;
+ EvdevMultitouchPtr g_pEvdevMultitouch;
+ int num_axes, axis, i = 0;
+ Atom *atoms;
+
+ pInfo = device->public.devicePrivate;
+ pEvdevMultitouch = pInfo->private;
+
+ g_pEvdevMultitouch = pEvdevMultitouch->core_device->private;
+
+ if (!TestBit(EV_ABS, g_pEvdevMultitouch->bitmask))
+ return !Success;
+
+ num_axes = CountBits(g_pEvdevMultitouch->abs_bitmask, NLONGS(ABS_MAX));
+ if (num_axes < 1)
+ return !Success;
+ pEvdevMultitouch->num_vals = num_axes;
+ memset(pEvdevMultitouch->vals, 0, num_axes * sizeof(int));
+ memset(pEvdevMultitouch->old_vals, -1, num_axes * sizeof(int));
+ atoms = malloc(pEvdevMultitouch->num_vals * sizeof(Atom));
+
+ if( !atoms )
+ {
+ ErrorF("[X11][EvdevMultitouchAddAbsClass] Failed to allocate memory !\n", __FUNCTION__);
+ return !Success;
+ }
+
+ for (axis = ABS_X; axis <= ABS_MAX; axis++) {
+ pEvdevMultitouch->axis_map[axis] = -1;
+ if (!TestBit(axis, pEvdevMultitouch->abs_bitmask))
+ continue;
+ pEvdevMultitouch->axis_map[axis] = i;
+ i++;
+ }
+
+ EvdevMultitouchInitAxesLabels(g_pEvdevMultitouch, g_pEvdevMultitouch->num_vals, atoms);
+
+ if (!InitValuatorClassDeviceStruct(device, num_axes,
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+ atoms,
+#endif
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 3
+ GetMotionHistory,
+#endif
+ GetMotionHistorySize(), Absolute))
+ return !Success;
+
+ for (axis = ABS_X; axis <= ABS_MAX; axis++) {
+ int axnum = g_pEvdevMultitouch->axis_map[axis];
+ if (axnum == -1)
+ continue;
+ xf86InitValuatorAxisStruct(device, axnum,
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+ atoms[axnum],
+#endif
+ pEvdevMultitouch->absinfo[axis].minimum,
+ pEvdevMultitouch->absinfo[axis].maximum,
+ 10000, 0, 10000);
+ xf86InitValuatorDefaults(device, axnum);
+ pEvdevMultitouch->old_vals[axnum] = -1;
+ }
+
+ free(atoms);
+
+ if (!InitPtrFeedbackClassDeviceStruct(device, EvdevMultitouchPtrCtrlProc))
+ return !Success;
+
+ if ((TestBit(ABS_X, pEvdevMultitouch->abs_bitmask) &&
+ TestBit(ABS_Y, pEvdevMultitouch->abs_bitmask)) ||
+ (TestBit(ABS_RX, pEvdevMultitouch->abs_bitmask) &&
+ TestBit(ABS_RY, pEvdevMultitouch->abs_bitmask)) ||
+ (TestBit(ABS_HAT0X, pEvdevMultitouch->abs_bitmask) &&
+ TestBit(ABS_HAT0Y, pEvdevMultitouch->abs_bitmask)) ||
+ (TestBit(ABS_HAT1X, pEvdevMultitouch->abs_bitmask) &&
+ TestBit(ABS_HAT1Y, pEvdevMultitouch->abs_bitmask)) ||
+ (TestBit(ABS_HAT2X, pEvdevMultitouch->abs_bitmask) &&
+ TestBit(ABS_HAT2Y, pEvdevMultitouch->abs_bitmask)) ||
+ (TestBit(ABS_HAT3X, pEvdevMultitouch->abs_bitmask) &&
+ TestBit(ABS_HAT3Y, pEvdevMultitouch->abs_bitmask)) ||
+ (TestBit(ABS_TILT_X, pEvdevMultitouch->abs_bitmask) &&
+ TestBit(ABS_TILT_Y, pEvdevMultitouch->abs_bitmask)))
+ pInfo->flags |= XI86_POINTER_CAPABLE;
+
+ return Success;
+}
+
+static int
+EvdevMultitouchAddRelClass(DeviceIntPtr device)
+{
+ InputInfoPtr pInfo;
+ EvdevMultitouchPtr pEvdevMultitouch;
+ int num_axes, axis, i = 0;
+ Atom *atoms;
+
+ pInfo = device->public.devicePrivate;
+ pEvdevMultitouch = pInfo->private;
+
+ if (!TestBit(EV_REL, pEvdevMultitouch->bitmask))
+ return !Success;
+
+ num_axes = CountBits(pEvdevMultitouch->rel_bitmask, NLONGS(REL_MAX));
+ if (num_axes < 1)
+ return !Success;
+
+ /* Wheels are special, we post them as button events. So let's ignore them
+ * in the axes list too */
+ if (TestBit(REL_WHEEL, pEvdevMultitouch->rel_bitmask))
+ num_axes--;
+ if (TestBit(REL_HWHEEL, pEvdevMultitouch->rel_bitmask))
+ num_axes--;
+ if (TestBit(REL_DIAL, pEvdevMultitouch->rel_bitmask))
+ num_axes--;
+
+ if (num_axes <= 0)
+ return !Success;
+
+ pEvdevMultitouch->num_vals = num_axes;
+ memset(pEvdevMultitouch->vals, 0, num_axes * sizeof(int));
+ atoms = malloc(pEvdevMultitouch->num_vals * sizeof(Atom));
+
+ if( !atoms )
+ {
+ ErrorF("[X11][EvdevMultitouchAddRelClass] Failed to allocate memory !\n", __FUNCTION__);
+ return !Success;
+ }
+
+ for (axis = REL_X; axis <= REL_MAX; axis++)
+ {
+ pEvdevMultitouch->axis_map[axis] = -1;
+ /* We don't post wheel events, so ignore them here too */
+ if (axis == REL_WHEEL || axis == REL_HWHEEL || axis == REL_DIAL)
+ continue;
+ if (!TestBit(axis, pEvdevMultitouch->rel_bitmask))
+ continue;
+ pEvdevMultitouch->axis_map[axis] = i;
+ i++;
+ }
+
+ EvdevMultitouchInitAxesLabels(pEvdevMultitouch, pEvdevMultitouch->num_vals, atoms);
+
+ if (!InitValuatorClassDeviceStruct(device, num_axes,
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+ atoms,
+#endif
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 3
+ GetMotionHistory,
+#endif
+ GetMotionHistorySize(), Relative))
+ return !Success;
+
+ for (axis = REL_X; axis <= REL_MAX; axis++)
+ {
+ int axnum = pEvdevMultitouch->axis_map[axis];
+
+ if (axnum == -1)
+ continue;
+ xf86InitValuatorAxisStruct(device, axnum,
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+ atoms[axnum],
+#endif
+ -1, -1, 1, 0, 1);
+ xf86InitValuatorDefaults(device, axnum);
+ }
+
+ free(atoms);
+
+ if (!InitPtrFeedbackClassDeviceStruct(device, EvdevMultitouchPtrCtrlProc))
+ return !Success;
+
+ pInfo->flags |= XI86_POINTER_CAPABLE;
+
+ return Success;
+}
+
+static int
+EvdevMultitouchAddButtonClass(DeviceIntPtr device)
+{
+ InputInfoPtr pInfo;
+ EvdevMultitouchPtr pEvdevMultitouch;
+ Atom *labels;
+
+ pInfo = device->public.devicePrivate;
+ pEvdevMultitouch = pInfo->private;
+
+ labels = malloc(pEvdevMultitouch->num_buttons * sizeof(Atom));
+
+ if( !labels )
+ return !Success;
+
+ EvdevMultitouchInitButtonLabels(pEvdevMultitouch, pEvdevMultitouch->num_buttons, labels);
+
+ if (!InitButtonClassDeviceStruct(device, pEvdevMultitouch->num_buttons,
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+ labels,
+#endif
+ pEvdevMultitouch->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 EvdevMultitouchAddButtonClass).
+ */
+static void
+EvdevMultitouchInitButtonMapping(InputInfoPtr pInfo)
+{
+ int i, nbuttons = 1;
+ char *mapping = NULL;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ /* Check for user-defined button mapping */
+ if ((mapping = xf86CheckStrOption(pInfo->options, "ButtonMapping", NULL)))
+ {
+ char *s = " ";
+ int btn = 0;
+
+ xf86Msg(X_CONFIG, "%s: ButtonMapping '%s'\n", pInfo->name, mapping);
+ while (s && *s != '\0' && nbuttons < EVDEVMULTITOUCH_MAXBUTTONS)
+ {
+ btn = strtol(mapping, &s, 10);
+
+ if (s == mapping || btn < 0 || btn > EVDEVMULTITOUCH_MAXBUTTONS)
+ {
+ xf86Msg(X_ERROR,
+ "%s: ... Invalid button mapping. Using defaults\n",
+ pInfo->name);
+ nbuttons = 1; /* ensure defaults start at 1 */
+ break;
+ }
+
+ pEvdevMultitouch->btnmap[nbuttons++] = btn;
+ mapping = s;
+ }
+ }
+
+ for (i = nbuttons; i < ArrayLength(pEvdevMultitouch->btnmap); i++)
+ pEvdevMultitouch->btnmap[i] = i;
+
+}
+
+static void
+EvdevMultitouchInitAnyClass(DeviceIntPtr device, EvdevMultitouchPtr pEvdevMultitouch)
+{
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_RELATIVE_EVENTS &&
+ EvdevMultitouchAddRelClass(device) == Success)
+ xf86Msg(X_INFO, "%s: initialized for relative axes.\n", device->name);
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_ABSOLUTE_EVENTS &&
+ EvdevMultitouchAddAbsClass(device) == Success)
+ xf86Msg(X_INFO, "%s: initialized for absolute axes.\n", device->name);
+}
+
+static void
+EvdevMultitouchInitAbsClass(DeviceIntPtr device, EvdevMultitouchPtr pEvdevMultitouch)
+{
+ if (EvdevMultitouchAddAbsClass(device) == Success) {
+
+ xf86Msg(X_INFO,"%s: initialized for absolute axes.\n", device->name);
+
+ } else {
+
+ xf86Msg(X_ERROR,"%s: failed to initialize for absolute axes.\n",
+ device->name);
+
+ pEvdevMultitouch->flags &= ~EVDEVMULTITOUCH_ABSOLUTE_EVENTS;
+
+ }
+}
+
+static void
+EvdevMultitouchInitRelClass(DeviceIntPtr device, EvdevMultitouchPtr pEvdevMultitouch)
+{
+ int has_abs_axes = pEvdevMultitouch->flags & EVDEVMULTITOUCH_ABSOLUTE_EVENTS;
+
+ if (EvdevMultitouchAddRelClass(device) == Success) {
+
+ xf86Msg(X_INFO,"%s: initialized for relative axes.\n", device->name);
+
+ if (has_abs_axes) {
+
+ xf86Msg(X_WARNING,"%s: ignoring absolute axes.\n", device->name);
+ pEvdevMultitouch->flags &= ~EVDEVMULTITOUCH_ABSOLUTE_EVENTS;
+ }
+
+ } else {
+
+ xf86Msg(X_ERROR,"%s: failed to initialize for relative axes.\n",
+ device->name);
+
+ pEvdevMultitouch->flags &= ~EVDEVMULTITOUCH_RELATIVE_EVENTS;
+
+ if (has_abs_axes)
+ EvdevMultitouchInitAbsClass(device, pEvdevMultitouch);
+ }
+}
+
+static void
+EvdevMultitouchInitTouchDevice(DeviceIntPtr device, EvdevMultitouchPtr pEvdevMultitouch)
+{
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_RELATIVE_EVENTS) {
+
+ xf86Msg(X_WARNING,"%s: touchpads, tablets and (multi)touchscreens ignore "
+ "relative axes.\n", device->name);
+
+ pEvdevMultitouch->flags &= ~EVDEVMULTITOUCH_RELATIVE_EVENTS;
+ }
+
+ EvdevMultitouchInitAbsClass(device, pEvdevMultitouch);
+}
+
+static int
+EvdevMultitouchInit(DeviceIntPtr device)
+{
+ int i;
+ InputInfoPtr pInfo;
+ EvdevMultitouchPtr pEvdevMultitouch;
+
+ pInfo = device->public.devicePrivate;
+ pEvdevMultitouch = pInfo->private;
+
+ /* clear all axis_map entries */
+ for(i = 0; i < max(ABS_CNT,REL_CNT); i++)
+ pEvdevMultitouch->axis_map[i]=-1;
+
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_KEYBOARD_EVENTS)
+ EvdevMultitouchAddKeyClass(device);
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_BUTTON_EVENTS)
+ EvdevMultitouchAddButtonClass(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 (pEvdevMultitouch->flags & (EVDEVMULTITOUCH_UNIGNORE_RELATIVE | EVDEVMULTITOUCH_UNIGNORE_ABSOLUTE))
+ EvdevMultitouchInitAnyClass(device, pEvdevMultitouch);
+ else if (pEvdevMultitouch->flags & (EVDEVMULTITOUCH_TOUCHPAD | EVDEVMULTITOUCH_TOUCHSCREEN | EVDEVMULTITOUCH_TABLET | EVDEVMULTITOUCH_MULTITOUCH))
+ EvdevMultitouchInitTouchDevice(device, pEvdevMultitouch);
+ else if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_RELATIVE_EVENTS)
+ EvdevMultitouchInitRelClass(device, pEvdevMultitouch);
+ else if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_ABSOLUTE_EVENTS)
+ EvdevMultitouchInitAbsClass(device, pEvdevMultitouch);
+
+#ifdef HAVE_PROPERTIES
+ /* 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 */
+ EvdevMultitouchInitProperty(device);
+ XIRegisterPropertyHandler(device, EvdevMultitouchSetProperty, NULL, NULL);
+ EvdevMultitouchMBEmuInitProperty(device);
+ EvdevMultitouchWheelEmuInitProperty(device);
+ EvdevMultitouchDragLockInitProperty(device);
+#endif
+
+ return Success;
+}
+
+/**
+ * Init all extras (wheel emulation, etc.) and grab the device.
+ *
+ * Coming from a resume, the grab may fail with ENODEV. In this case, we set a
+ * timer to wake up and try to reopen the device later.
+ */
+static int
+EvdevMultitouchOn(DeviceIntPtr device)
+{
+ InputInfoPtr pInfo;
+ EvdevMultitouchPtr pEvdevMultitouch;
+ int rc = 0;
+ BOOL finish = False;
+
+
+ pInfo = device->public.devicePrivate;
+ pEvdevMultitouch = pInfo->private;
+
+ /* If this is an object device,
+ * just add device to subdev list */
+ if (!EvdevMultitouchIsCoreDevice(pInfo)) {
+ finish = True;
+ } else {
+ if (pInfo->fd != -1 && pEvdevMultitouch->grabDevice &&
+ (rc = ioctl(pInfo->fd, EVIOCGRAB, (void *)1)))
+ {
+ xf86Msg(X_WARNING, "%s: Grab failed (%s)\n", pInfo->name,
+ strerror(errno));
+
+ /* ENODEV - device has disappeared after resume */
+ if (rc && errno == ENODEV)
+ {
+ close(pInfo->fd);
+ pInfo->fd = -1;
+ }
+ }
+
+ if (pInfo->fd == -1)
+ {
+ pEvdevMultitouch->reopen_left = pEvdevMultitouch->reopen_attempts;
+ pEvdevMultitouch->reopen_timer = TimerSet(pEvdevMultitouch->reopen_timer, 0, 100, EvdevMultitouchReopenTimer, pInfo);
+ } else
+ {
+ pEvdevMultitouch->min_maj = EvdevMultitouchGetMajorMinor(pInfo);
+ if (EvdevMultitouchIsDuplicate(pInfo))
+ {
+ xf86Msg(X_WARNING, "%s: Refusing to enable duplicate device.\n",
+ pInfo->name);
+
+ return !Success;
+ }
+
+ pEvdevMultitouch->reopen_timer = TimerSet(pEvdevMultitouch->reopen_timer, 0, 0, NULL, NULL);
+
+ xf86FlushInput(pInfo->fd);
+
+ EvdevMultitouchSetMultitouch(pInfo, pEvdevMultitouch->num_multitouch);
+
+ finish = True;
+ }
+ }
+
+ if (finish) {
+ if( !strstr(pInfo->name, "subdev" ) )
+ {
+ xf86AddEnabledDevice(pInfo);
+ pEvdevMultitouch->last_slot = 0;
+ EvdevMultitouchReinitPEvdevMultitouch(pInfo);
+ }
+ EvdevMultitouchMBEmuOn(pInfo);
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_INITIALIZED;
+ device->public.on = TRUE;
+
+ pEvdevMultitouch->multitouch_setting_timer = TimerSet(pEvdevMultitouch->multitouch_setting_timer, 0, 100, EvdevMultitouchMultitouchSettingTimer, pInfo);
+ }
+
+ if( pEvdevMultitouch->use_poll != TRUE )
+ return Success;
+
+ EvdevMultitouchSetUsePoll(pInfo, TRUE);
+
+ return Success;
+}
+
+static void
+EvdevMultitouchOff(DeviceIntPtr device)
+{
+ InputInfoPtr pInfo;
+ EvdevMultitouchPtr pEvdevMultitouch;
+
+ pInfo = device->public.devicePrivate;
+ pEvdevMultitouch = pInfo->private;
+
+ if( pEvdevMultitouch->use_poll != TRUE )
+ return;
+
+ EvdevMultitouchSetUsePoll(pInfo, FALSE);
+}
+
+static int
+EvdevMultitouchProc(DeviceIntPtr device, int what)
+{
+ InputInfoPtr pInfo;
+ EvdevMultitouchPtr pEvdevMultitouch, g_pEvdevMultitouch;
+ int i;
+
+
+ pInfo = device->public.devicePrivate;
+ pEvdevMultitouch = pInfo->private;
+
+ switch (what)
+ {
+ case DEVICE_INIT:
+ return EvdevMultitouchInit(device);
+
+ case DEVICE_ON:
+ return EvdevMultitouchOn(device);
+
+ case DEVICE_OFF:
+ EvdevMultitouchOff(device);
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_INITIALIZED)
+ EvdevMultitouchMBEmuFinalize(pInfo);
+ if (EvdevMultitouchIsCoreDevice(pInfo)){
+ EvdevMultitouchSetMultitouch(pInfo, 0);
+ if (pInfo->fd != -1)
+ {
+ if (pEvdevMultitouch->grabDevice && ioctl(pInfo->fd, EVIOCGRAB, (void *)0))
+ xf86Msg(X_WARNING, "%s: Release failed (%s)\n", pInfo->name,
+ strerror(errno));
+ xf86RemoveEnabledDevice(pInfo);
+ close(pInfo->fd);
+ pInfo->fd = -1;
+ }
+ if( pEvdevMultitouch->multitouch_setting_timer )
+ {
+ TimerFree(pEvdevMultitouch->multitouch_setting_timer);
+ pEvdevMultitouch->multitouch_setting_timer = NULL;
+ }
+ if (pEvdevMultitouch->reopen_timer)
+ {
+ TimerFree(pEvdevMultitouch->reopen_timer);
+ pEvdevMultitouch->reopen_timer = NULL;
+ }
+ } else {
+ /* removing it in the list of the core device */
+ g_pEvdevMultitouch = pEvdevMultitouch->core_device->private;
+ for (i=0; i<MAX_VALUATORS_MT; ++i) {
+ if (g_pEvdevMultitouch->vals_mt[i].pInfo == pInfo) {
+ g_pEvdevMultitouch->vals_mt[i].pInfo = NULL;
+ break;
+ }
+ }
+ xf86RemoveEnabledDevice(pInfo);
+ }
+ pEvdevMultitouch->min_maj = 0;
+ pEvdevMultitouch->flags &= ~EVDEVMULTITOUCH_INITIALIZED;
+ device->public.on = FALSE;
+ break;
+
+ case DEVICE_CLOSE:
+ xf86Msg(X_INFO, "%s: Close\n", pInfo->name);
+ if (EvdevMultitouchIsCoreDevice(pInfo)) { // master only
+ //EvdevMultitouchDeleteAllSubdevices(pInfo);
+
+ if (pInfo->fd != -1) {
+ close(pInfo->fd);
+ pInfo->fd = -1;
+ }
+ EvdevMultitouchRemoveDevice(pInfo);
+ }
+ pEvdevMultitouch->min_maj = 0;
+ break;
+ }
+
+ return Success;
+}
+
+/**
+ * Get as much information as we can from the fd and cache it.
+ * If compare is True, then the information retrieved will be compared to the
+ * one already cached. If the information does not match, then this function
+ * returns an error.
+ *
+ * @return Success if the information was cached, or !Success otherwise.
+ */
+static int
+EvdevMultitouchCacheCompare(InputInfoPtr pInfo, BOOL compare)
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ size_t len;
+
+ 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, EVIOCGNAME(sizeof(name) - 1), name) < 0) {
+ xf86Msg(X_ERROR, "ioctl EVIOCGNAME failed: %s\n", strerror(errno));
+ goto error;
+ }
+
+ if (!compare) {
+ strcpy(pEvdevMultitouch->name, name);
+ } else if (strcmp(pEvdevMultitouch->name, name)) {
+ xf86Msg(X_ERROR, "%s: device name changed: %s != %s\n",
+ pInfo->name, pEvdevMultitouch->name, name);
+ goto error;
+ }
+
+ len = ioctl(pInfo->fd, EVIOCGBIT(0, sizeof(bitmask)), bitmask);
+ if (len < 0) {
+ xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
+ pInfo->name, strerror(errno));
+ goto error;
+ }
+
+ if (!compare) {
+ memcpy(pEvdevMultitouch->bitmask, bitmask, len);
+ } else if (memcmp(pEvdevMultitouch->bitmask, bitmask, len)) {
+ xf86Msg(X_ERROR, "%s: device bitmask has changed\n", pInfo->name);
+ goto error;
+ }
+
+ len = ioctl(pInfo->fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask);
+ if (len < 0) {
+ xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
+ pInfo->name, strerror(errno));
+ goto error;
+ }
+
+ if (!compare) {
+ memcpy(pEvdevMultitouch->rel_bitmask, rel_bitmask, len);
+ } else if (memcmp(pEvdevMultitouch->rel_bitmask, rel_bitmask, len)) {
+ xf86Msg(X_ERROR, "%s: device rel_bitmask has changed\n", pInfo->name);
+ goto error;
+ }
+
+ len = ioctl(pInfo->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask);
+ if (len < 0) {
+ xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
+ pInfo->name, strerror(errno));
+ goto error;
+ }
+
+#if 1//ABS_MT_SLOT
+ if( TestBit(ABS_MT_SLOT, abs_bitmask) && TestBit(ABS_MT_TRACKING_ID, abs_bitmask) )
+ {
+ ErrorF("[X11] MT Protocol B Type : ABS_MT_SLOT is supported : \n");
+ pEvdevMultitouch->mt_slot_supported = (BOOL)1;
+ }
+ else
+ {
+ ErrorF("[X11] MT Protocol A Type : ABS_MT_SLOT is NOT supported\n");
+ pEvdevMultitouch->mt_slot_supported = (BOOL)0;
+ }
+#endif
+
+ if (!compare) {
+ memcpy(pEvdevMultitouch->abs_bitmask, abs_bitmask, len);
+ } else if (memcmp(pEvdevMultitouch->abs_bitmask, abs_bitmask, len)) {
+ xf86Msg(X_ERROR, "%s: device abs_bitmask has changed\n", pInfo->name);
+ goto error;
+ }
+
+ len = ioctl(pInfo->fd, EVIOCGBIT(EV_LED, sizeof(led_bitmask)), led_bitmask);
+ if (len < 0) {
+ xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
+ pInfo->name, strerror(errno));
+ goto error;
+ }
+
+ if (!compare) {
+ memcpy(pEvdevMultitouch->led_bitmask, led_bitmask, len);
+ } else if (memcmp(pEvdevMultitouch->led_bitmask, led_bitmask, len)) {
+ xf86Msg(X_ERROR, "%s: device led_bitmask has changed\n", pInfo->name);
+ goto error;
+ }
+
+ /*
+ * Do not try to validate absinfo data since it is not expected
+ * to be static, always refresh it in evdevmultitouch structure.
+ */
+ if( !xf86CheckStrOption(pInfo->options, "Resolution", NULL) )
+ {
+#ifdef _F_IGNORE_TSP_RESOLUTION_
+ pEvdevMultitouch->absinfo[ABS_X].maximum = 0;
+ pEvdevMultitouch->absinfo[ABS_X].minimum = 0;
+ pEvdevMultitouch->absinfo[ABS_Y].maximum = 0;
+ pEvdevMultitouch->absinfo[ABS_Y].minimum = 0;
+#else//_F_IGNORE_TSP_RESOLUTION_
+ for (i = ABS_X; i <= ABS_MAX; i++) {
+ if (TestBit(i, abs_bitmask)) {
+ len = ioctl(pInfo->fd, EVIOCGABS(i), &pEvdevMultitouch->absinfo[i]);
+ if (len < 0) {
+ xf86Msg(X_ERROR, "%s: ioctl EVIOCGABSi(%d) failed: %s\n",
+ pInfo->name, i, strerror(errno));
+ goto error;
+ }
+ }
+ }
+#endif//_F_IGNORE_TSP_RESOLUTION_
+ }
+
+ len = ioctl(pInfo->fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask);
+ if (len < 0) {
+ xf86Msg(X_ERROR, "%s: ioctl EVIOCGBIT failed: %s\n",
+ pInfo->name, strerror(errno));
+ goto error;
+ }
+
+ if (compare) {
+ /*
+ * Keys are special as user can adjust keymap at any time (on
+ * devices that support EVIOCSKEYCODE. However we do not expect
+ * buttons reserved for mice/tablets/digitizers and so on to
+ * appear/disappear so we will check only those in
+ * [BTN_MISC, KEY_OK) range.
+ */
+ size_t start_word = BTN_MISC / LONG_BITS;
+ size_t start_byte = start_word * sizeof(unsigned long);
+ size_t end_word = KEY_OK / LONG_BITS;
+ size_t end_byte = end_word * sizeof(unsigned long);
+
+ if (len >= start_byte &&
+ memcmp(&pEvdevMultitouch->key_bitmask[start_word], &key_bitmask[start_word],
+ min(len, end_byte) - start_byte + 1)) {
+ xf86Msg(X_ERROR, "%s: device key_bitmask has changed\n", pInfo->name);
+ goto error;
+ }
+ }
+
+ /* Copy the data so we have reasonably up-to-date info */
+ memcpy(pEvdevMultitouch->key_bitmask, key_bitmask, len);
+
+ return Success;
+
+error:
+ return !Success;
+
+}
+
+static int
+EvdevMultitouchProbe(InputInfoPtr pInfo)
+{
+ int i, has_rel_axes, has_abs_axes, has_keys, num_buttons, has_scroll;
+ int kernel24 = 0;
+ int ignore_abs = 0, ignore_rel = 0;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ if (pEvdevMultitouch->grabDevice && ioctl(pInfo->fd, EVIOCGRAB, (void *)1)) {
+ if (errno == EINVAL) {
+ /* keyboards are unsafe in 2.4 */
+ kernel24 = 1;
+ pEvdevMultitouch->grabDevice = 0;
+ } else {
+ xf86Msg(X_ERROR, "Grab failed. Device already configured?\n");
+ return 1;
+ }
+ } else if (pEvdevMultitouch->grabDevice) {
+ ioctl(pInfo->fd, EVIOCGRAB, (void *)0);
+ }
+
+ /* 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
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_UNIGNORE_RELATIVE;
+
+ }
+ if (xf86FindOption(pInfo->options, "IgnoreAbsoluteAxes"))
+ {
+ if (xf86SetBoolOption(pInfo->options, "IgnoreAbsoluteAxes", FALSE))
+ ignore_abs = TRUE;
+ else
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_UNIGNORE_ABSOLUTE;
+ }
+
+ has_rel_axes = FALSE;
+ has_abs_axes = FALSE;
+ has_keys = FALSE;
+ has_scroll = FALSE;
+ num_buttons = 0;
+
+ /* count all buttons */
+ for (i = BTN_MISC; i < BTN_JOYSTICK; i++)
+ {
+ int mapping = 0;
+ if (TestBit(i, pEvdevMultitouch->key_bitmask))
+ {
+ mapping = EvdevMultitouchUtilButtonEventToButtonNumber(pEvdevMultitouch, i);
+ if (mapping > num_buttons)
+ num_buttons = mapping;
+ }
+ }
+
+ if (num_buttons)
+ {
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_BUTTON_EVENTS;
+ pEvdevMultitouch->num_buttons = num_buttons;
+ xf86Msg(X_INFO, "%s: Found %d mouse buttons\n", pInfo->name,
+ num_buttons);
+ }
+
+ for (i = 0; i < REL_MAX; i++) {
+ if (TestBit(i, pEvdevMultitouch->rel_bitmask)) {
+ has_rel_axes = TRUE;
+ break;
+ }
+ }
+
+ if (has_rel_axes) {
+ if (TestBit(REL_WHEEL, pEvdevMultitouch->rel_bitmask) ||
+ TestBit(REL_HWHEEL, pEvdevMultitouch->rel_bitmask) ||
+ TestBit(REL_DIAL, pEvdevMultitouch->rel_bitmask)) {
+ xf86Msg(X_INFO, "%s: Found scroll wheel(s)\n", pInfo->name);
+ has_scroll = TRUE;
+ if (!num_buttons)
+ xf86Msg(X_INFO, "%s: Forcing buttons for scroll wheel(s)\n",
+ pInfo->name);
+ num_buttons = (num_buttons < 3) ? 7 : num_buttons + 4;
+ pEvdevMultitouch->num_buttons = num_buttons;
+ }
+
+ if (!ignore_rel)
+ {
+ xf86Msg(X_INFO, "%s: Found relative axes\n", pInfo->name);
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_RELATIVE_EVENTS;
+
+ if (TestBit(REL_X, pEvdevMultitouch->rel_bitmask) &&
+ TestBit(REL_Y, pEvdevMultitouch->rel_bitmask)) {
+ xf86Msg(X_INFO, "%s: Found x and y relative axes\n", pInfo->name);
+ }
+ } else {
+ xf86Msg(X_INFO, "%s: Relative axes present but ignored.\n", pInfo->name);
+ has_rel_axes = FALSE;
+ }
+ }
+
+ for (i = 0; i < ABS_MAX; i++) {
+ if (TestBit(i, pEvdevMultitouch->abs_bitmask)) {
+ has_abs_axes = TRUE;
+ break;
+ }
+ }
+
+ if (ignore_abs && has_abs_axes)
+ {
+ xf86Msg(X_INFO, "%s: Absolute axes present but ignored.\n", pInfo->name);
+ has_abs_axes = FALSE;
+ } else if (has_abs_axes) {
+ xf86Msg(X_INFO, "%s: Found absolute axes\n", pInfo->name);
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_ABSOLUTE_EVENTS;
+
+ if ((TestBit(ABS_X, pEvdevMultitouch->abs_bitmask) &&
+ TestBit(ABS_Y, pEvdevMultitouch->abs_bitmask))) {
+ xf86Msg(X_INFO, "%s: Found x and y absolute axes\n", pInfo->name);
+ if (TestBit(BTN_TOOL_PEN, pEvdevMultitouch->key_bitmask))
+ {
+ xf86Msg(X_INFO, "%s: Found absolute tablet.\n", pInfo->name);
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_TABLET;
+ } else if ((TestBit(ABS_MT_POSITION_X, pEvdevMultitouch->abs_bitmask) &&
+ TestBit(ABS_MT_POSITION_Y, pEvdevMultitouch->abs_bitmask))) {
+ xf86Msg(X_INFO, "%s: Found absolute multitouch tablet.\n", pInfo->name);
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_MULTITOUCH;
+ } else if (TestBit(ABS_PRESSURE, pEvdevMultitouch->abs_bitmask) ||
+ TestBit(BTN_TOUCH, pEvdevMultitouch->key_bitmask)) {
+ if (num_buttons || TestBit(BTN_TOOL_FINGER, pEvdevMultitouch->key_bitmask)) {
+ xf86Msg(X_INFO, "%s: Found absolute touchpad.\n", pInfo->name);
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_TOUCHPAD;
+ memset(pEvdevMultitouch->old_vals, -1, sizeof(int) * pEvdevMultitouch->num_vals);
+ } else {
+ xf86Msg(X_INFO, "%s: Found absolute touchscreen\n", pInfo->name);
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_TOUCHSCREEN;
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_BUTTON_EVENTS;
+ }
+ }
+ }
+ }
+
+ for (i = 0; i < BTN_MISC; i++) {
+ if (TestBit(i, pEvdevMultitouch->key_bitmask)) {
+ xf86Msg(X_INFO, "%s: Found keys\n", pInfo->name);
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_KEYBOARD_EVENTS;
+ has_keys = TRUE;
+ break;
+ }
+ }
+
+ if (has_rel_axes || has_abs_axes || num_buttons) {
+ pInfo->flags |= XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS |
+ XI86_CONFIGURED;
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_TOUCHPAD) {
+ xf86Msg(X_INFO, "%s: Configuring as touchpad\n", pInfo->name);
+ pInfo->type_name = XI_TOUCHPAD;
+ } else if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_TABLET) {
+ xf86Msg(X_INFO, "%s: Configuring as tablet\n", pInfo->name);
+ pInfo->type_name = XI_TABLET;
+ } else if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_TOUCHSCREEN) {
+ xf86Msg(X_INFO, "%s: Configuring as touchscreen\n", pInfo->name);
+ pInfo->type_name = XI_TOUCHSCREEN;
+ } else if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_MULTITOUCH) {
+ xf86Msg(X_INFO, "%s: Configuring as multitouch screen\n", pInfo->name);
+ pInfo->type_name = "MULTITOUCHSCREEN";
+ } else {
+ xf86Msg(X_INFO, "%s: Configuring as mouse\n", pInfo->name);
+ pInfo->type_name = XI_MOUSE;
+ }
+ }
+
+ if (has_keys) {
+ if (kernel24) {
+ xf86Msg(X_INFO, "%s: Kernel < 2.6 is too old, ignoring keyboard\n",
+ pInfo->name);
+ } else {
+ xf86Msg(X_INFO, "%s: Configuring as keyboard\n", pInfo->name);
+ pInfo->flags |= XI86_KEYBOARD_CAPABLE | XI86_CONFIGURED;
+ pInfo->type_name = XI_KEYBOARD;
+ }
+ }
+
+ if (has_scroll && (pInfo->flags & XI86_CONFIGURED) &&
+ (pInfo->flags & XI86_POINTER_CAPABLE) == 0)
+ {
+ xf86Msg(X_INFO, "%s: Adding scrollwheel support\n", pInfo->name);
+ pInfo->flags |= XI86_POINTER_CAPABLE;
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_BUTTON_EVENTS;
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_RELATIVE_EVENTS;
+ }
+
+ if ((pInfo->flags & XI86_CONFIGURED) == 0) {
+ xf86Msg(X_WARNING, "%s: Don't know how to use device\n",
+ pInfo->name);
+ return 1;
+ }
+
+ return 0;
+}
+
+static void
+EvdevMultitouchSetCalibration(InputInfoPtr pInfo, int num_calibration, int calibration[4])
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ if (num_calibration == 0) {
+ pEvdevMultitouch->flags &= ~EVDEVMULTITOUCH_CALIBRATED;
+ pEvdevMultitouch->calibration.min_x = 0;
+ pEvdevMultitouch->calibration.max_x = 0;
+ pEvdevMultitouch->calibration.min_y = 0;
+ pEvdevMultitouch->calibration.max_y = 0;
+ } else if (num_calibration == 4) {
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_CALIBRATED;
+ pEvdevMultitouch->calibration.min_x = calibration[0];
+ pEvdevMultitouch->calibration.max_x = calibration[1];
+ pEvdevMultitouch->calibration.min_y = calibration[2];
+ pEvdevMultitouch->calibration.max_y = calibration[3];
+ }
+}
+
+static void
+EvdevMultitouchSetResolution(InputInfoPtr pInfo, int num_resolution, int resolution[4])
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ if (num_resolution == 0) {
+ pEvdevMultitouch->flags &= ~EVDEVMULTITOUCH_RESOLUTION;
+ pEvdevMultitouch->resolution.min_x = 0;
+ pEvdevMultitouch->resolution.max_x = 0;
+ pEvdevMultitouch->resolution.min_y = 0;
+ pEvdevMultitouch->resolution.max_y = 0;
+ } else if (num_resolution == 4) {
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_RESOLUTION;
+ pEvdevMultitouch->resolution.min_x = resolution[0];
+ pEvdevMultitouch->resolution.max_x = resolution[1];
+ pEvdevMultitouch->resolution.min_y = resolution[2];
+ pEvdevMultitouch->resolution.max_y = resolution[3];
+ }
+}
+
+static void EvdevMultitouchSetTransform(InputInfoPtr pInfo, int num_transform, float *tmatrix)
+{
+ int x, y;
+ struct pixman_transform tr;
+
+ if( num_transform != 9 )
+ {
+ use_transform = False;
+ return;
+ }
+ use_transform = True;
+
+ memcpy(transform, tmatrix, sizeof(transform));
+ for (y=0; y<3; y++)
+ for (x=0; x<3; x++)
+ tr.matrix[y][x] = pixman_double_to_fixed((double)*tmatrix++);
+
+ pixman_transform_invert(&inv_transform, &tr);
+}
+
+static void
+EvdevMultitouchSetMultitouch(InputInfoPtr pInfo, int num_multitouch) {
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ int i, rc;
+
+ if( !(pEvdevMultitouch->flags & EVDEVMULTITOUCH_MULTITOUCH) )
+ {
+ ErrorF("[X11][%s] Device is not a multitouch screen !(flags=%d)\n", __FUNCTION__, pEvdevMultitouch->flags);
+ return;
+ }
+
+ if (num_multitouch > MAX_VALUATORS_MT)
+ num_multitouch = MAX_VALUATORS_MT;
+ if (num_multitouch < 0)
+ num_multitouch = 0;
+
+ for (i=0;i<num_multitouch;++i) {
+ if (pEvdevMultitouch->vals_mt[i].pInfo == NULL){
+ pEvdevMultitouch->vals_mt[i].containsValues = FALSE;
+ pEvdevMultitouch->vals_mt[i].id = -1;
+ pEvdevMultitouch->vals_mt[i].pInfo = EvdevMultitouchCreateSubDevice(pInfo, i);
+ }
+ }
+ for (i=num_multitouch;i<MAX_VALUATORS_MT;++i) {
+ pEvdevMultitouch->vals_mt[i].containsValues = FALSE;
+ pEvdevMultitouch->vals_mt[i].id = -1;
+ if (pEvdevMultitouch->vals_mt[i].pInfo && pEvdevMultitouch->vals_mt[i].pInfo != pInfo) {
+ EvdevMultitouchDeleteSubDevice(pInfo, pEvdevMultitouch->vals_mt[i].pInfo);
+ pEvdevMultitouch->vals_mt[i].pInfo = NULL;
+ }
+ }
+
+ pEvdevMultitouch->num_multitouch = num_multitouch;
+
+ rc = XIChangeDeviceProperty(pInfo->dev, prop_multitouch, XA_INTEGER, 8,
+ PropModeReplace, 1, &pEvdevMultitouch->num_multitouch, FALSE);
+
+ if (rc != Success)
+ ErrorF("[X11][%s] Failed to Change device property !\n", __FUNCTION__);
+}
+
+static void
+EvdevMultitouchSetUsePoll(InputInfoPtr pInfo, BOOL use_poll)
+{
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+
+ if( use_poll == TRUE )
+ {
+ if( !EvdevMultitouchIsCoreDevice(pInfo) )//master only
+ goto out;
+
+ if( !vsync_input_table)
+ {
+ vsync_input_table = vsync_input_init();
+ if( !vsync_input_table )
+ {
+ ErrorF("[SetUsePoll] Failed to init vsync input ...\n");
+ goto out;
+ }
+ }
+
+ g_syspoll_fd = open(SYSFS_POLL, O_WRONLY);
+ if( g_syspoll_fd < 0 )
+ {
+ g_syspoll_fd = -1;
+ ErrorF("[SetUsePoll] Failed to open %s ...\n", SYSFS_POLL);
+ goto out;
+ }
+
+ vsync_input_table->sync = sync_poll;
+ vsync_input_table->stop_sync(vsync_input_table->sync_arg);
+ poll_control(POLL_ENABLE);
+ pEvdevMultitouch->use_poll = use_poll;
+ }
+ else if( use_poll == FALSE )
+ {
+ if( !EvdevMultitouchIsCoreDevice(pInfo) )//master only
+ goto out;
+
+ if( !vsync_input_table)
+ goto out;
+
+ vsync_input_table->stop_sync(vsync_input_table->sync_arg);
+ vsync_input_table->sync = NULL;
+ vsync_input_close(vsync_input_table);
+ vsync_input_table = NULL;
+ poll_control(POLL_DISABLE);
+ close(g_syspoll_fd);
+ g_syspoll_fd = -1;
+ pEvdevMultitouch->use_poll = use_poll;
+ }
+ else
+ ErrorF("\n[SetUsePoll] Unknown value for use_poll (%d)\n", use_poll);
+
+out:
+ return;
+}
+
+Bool
+IsMaster(DeviceIntPtr dev)
+{
+ return dev->type == MASTER_POINTER || dev->type == MASTER_KEYBOARD;
+}
+
+DeviceIntPtr
+GetPairedDevice(DeviceIntPtr dev)
+{
+ if (!IsMaster(dev) && dev->u.master)
+ dev = dev->u.master;
+
+ return dev->spriteInfo->paired;
+}
+
+DeviceIntPtr
+GetMaster(DeviceIntPtr dev, int which)
+{
+ DeviceIntPtr master;
+
+ if (IsMaster(dev))
+ master = dev;
+ else
+ master = dev->u.master;
+
+ if (master)
+ {
+ if (which == MASTER_KEYBOARD)
+ {
+ if (master->type != MASTER_KEYBOARD)
+ master = GetPairedDevice(master);
+ } else
+ {
+ if (master->type != MASTER_POINTER)
+ master = GetPairedDevice(master);
+ }
+ }
+
+ return master;
+}
+
+static void
+EvdevMultitouchGetGrabInfo(InputInfoPtr pInfo, BOOL val)
+{
+ DeviceIntPtr master_pointer;
+
+ if( val == 1 )
+ {
+ if( pInfo->dev->deviceGrab.grab )
+ {
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] Device id=%d (grabbed) !\n", pInfo->dev->id);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] (event) type=%d\n", pInfo->dev->deviceGrab.grab->type);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] grabtype=%d\n", pInfo->dev->deviceGrab.grab->grabtype);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] resource=0x%x\n", (unsigned int)pInfo->dev->deviceGrab.grab->resource);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] keyboardMode=%d\n", pInfo->dev->deviceGrab.grab->keyboardMode);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] pointerMode=%d\n", pInfo->dev->deviceGrab.grab->pointerMode);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] sync.frozen=%d\n", pInfo->dev->deviceGrab.sync.frozen);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] fromPassiveGrab=%d\n", pInfo->dev->deviceGrab.fromPassiveGrab);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] implicitGrab=%d\n", pInfo->dev->deviceGrab.implicitGrab);
+ }
+ else if( (master_pointer = GetMaster(pInfo->dev, MASTER_POINTER)) && master_pointer->deviceGrab.grab )
+ {
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] Device id=%d (master_pointer, grabbed) !\n", master_pointer->id);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] (event) type=%d\n", master_pointer->deviceGrab.grab->type);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] grabtype=%d\n", master_pointer->deviceGrab.grab->grabtype);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] resource=0x%x\n", (unsigned int)master_pointer->deviceGrab.grab->resource);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] keyboardMode=%d\n", master_pointer->deviceGrab.grab->keyboardMode);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] pointerMode=%d\n", master_pointer->deviceGrab.grab->pointerMode);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] sync.frozen=%d\n", master_pointer->deviceGrab.sync.frozen);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] fromPassiveGrab=%d\n", master_pointer->deviceGrab.fromPassiveGrab);
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] implicitGrab=%d\n", master_pointer->deviceGrab.implicitGrab);
+ }
+ else
+ ErrorF("[X11][EvdevMultitouchGetGrabInfo] Device id=%d (ungrabbed) !\n", pInfo->dev->id);
+ }
+}
+
+static InputInfoPtr
+EvdevMultitouchPreInit(InputDriverPtr drv, IDevPtr dev, int flags)
+{
+ InputInfoPtr pInfo;
+ const char *device, *str;
+ int num_calibration = 0, calibration[4] = { 0, 0, 0, 0 };
+ int num_resolution = 0, resolution[4] = { 0, 0, 0, 0 };
+ int num_transform = 0; float tr[9];
+ EvdevMultitouchPtr pEvdevMultitouch;
+ char *type;
+
+ if (!(pInfo = xf86AllocateInput(drv, 0)))
+ return NULL;
+
+ /* Initialise the InputInfoRec. */
+ pInfo->name = dev->identifier;
+ pInfo->flags = 0;
+ pInfo->type_name = "UNKNOWN";
+ pInfo->device_control = EvdevMultitouchProc;
+ pInfo->history_size = 0;
+ pInfo->control_proc = NULL;
+ pInfo->close_proc = NULL;
+ pInfo->switch_mode = NULL;
+ pInfo->conversion_proc = NULL;
+ pInfo->reverse_conversion_proc = NULL;
+ pInfo->dev = NULL;
+ pInfo->private_flags = 0;
+ pInfo->always_core_feedback = NULL;
+ pInfo->conf_idev = dev;
+
+ if (!(pEvdevMultitouch = calloc(sizeof(EvdevMultitouchRec), 1)))
+ return pInfo;
+
+ pInfo->private = pEvdevMultitouch;
+
+ xf86CollectInputOptions(pInfo, evdevmultitouchDefaults, NULL);
+ xf86ProcessCommonOptions(pInfo, pInfo->options);
+ pEvdevMultitouch->id = -1;
+
+
+ /* If Type == Object, this is a device for an object to use */
+ type = xf86CheckStrOption(dev->commonOptions, "Type", NULL);
+
+ xf86Msg(X_INFO, "%s: EvdevMultitouch Type %s found\n", dev->identifier,type);
+
+ if (type != NULL && strcmp(type, "Object") == 0) {
+ EvdevMultitouchPtr pCreatorEvdevMultitouch;
+ if (!pCreatorInfo){
+ return pInfo;
+ }
+ pCreatorEvdevMultitouch = pCreatorInfo->private;
+ xf86Msg(X_INFO, "%s: EvdevMultitouch subdevice found\n", dev->identifier);
+ memcpy(pEvdevMultitouch, pCreatorEvdevMultitouch, sizeof(EvdevMultitouchRec));
+ pInfo->read_input = EvdevMultitouchSubdevReadInput;
+ pInfo->flags |= XI86_CONFIGURED;
+ pEvdevMultitouch->associated = FALSE;
+ pInfo->type_name = pCreatorInfo->type_name;
+ pEvdevMultitouch->num_multitouch = 1;
+ //EvdevMultitouchInitButtonMapping(pInfo);
+ } else {
+ pInfo->read_input = EvdevMultitouchReadInput;
+
+ pEvdevMultitouch->core_device = pInfo;
+ pEvdevMultitouch->associated = FALSE;
+
+ memset(pEvdevMultitouch->vals, 0, MAX_VALUATORS * sizeof(int));
+ memset(pEvdevMultitouch->old_vals, -1, MAX_VALUATORS * sizeof(int));
+
+ /*
+ * We initialize pEvdevMultitouch->tool to 1 so that device that doesn't use
+ * proximity will still report events.
+ */
+ pEvdevMultitouch->tool = 1;
+
+ device = xf86CheckStrOption(dev->commonOptions, "Device", NULL);
+ if (!device) {
+ xf86Msg(X_ERROR, "%s: No device specified.\n", pInfo->name);
+ xf86DeleteInput(pInfo, 0);
+ return NULL;
+ }
+
+ pEvdevMultitouch->device = device;
+
+ xf86Msg(X_CONFIG, "%s: Device: \"%s\"\n", pInfo->name, device);
+ do {
+ pInfo->fd = open(device, O_RDWR | O_NONBLOCK, 0);
+ } while (pInfo->fd < 0 && errno == EINTR);
+
+ if (pInfo->fd < 0) {
+ xf86Msg(X_ERROR, "Unable to open evdevmultitouch device \"%s\".\n", device);
+ xf86DeleteInput(pInfo, 0);
+ return NULL;
+ }
+
+ /* Check major/minor of device node to avoid adding duplicate devices. */
+ pEvdevMultitouch->min_maj = EvdevMultitouchGetMajorMinor(pInfo);
+ if (EvdevMultitouchIsDuplicate(pInfo))
+ {
+ xf86Msg(X_WARNING, "%s: device file already in use. Ignoring.\n",
+ pInfo->name);
+ close(pInfo->fd);
+ xf86DeleteInput(pInfo, 0);
+ return NULL;
+ }
+
+ pEvdevMultitouch->reopen_attempts = xf86SetIntOption(pInfo->options, "ReopenAttempts", 10);
+ pEvdevMultitouch->invert_x = xf86SetBoolOption(pInfo->options, "InvertX", FALSE);
+ pEvdevMultitouch->invert_y = xf86SetBoolOption(pInfo->options, "InvertY", FALSE);
+ pEvdevMultitouch->num_multitouch = xf86SetIntOption(pInfo->options, "MultiTouch", 0);
+ pEvdevMultitouch->swap_axes = xf86SetBoolOption(pInfo->options, "SwapAxes", FALSE);
+ pEvdevMultitouch->use_poll = xf86SetBoolOption(pInfo->options, "UsePoll", 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]);
+ if (num_calibration == 4)
+ EvdevMultitouchSetCalibration(pInfo, num_calibration, calibration);
+ else
+ xf86Msg(X_ERROR,
+ "%s: Insufficient calibration factors (%d). Ignoring calibration\n",
+ pInfo->name, num_calibration);
+ }
+
+ str = xf86CheckStrOption(pInfo->options, "Resolution", NULL);
+ if (str) {
+ num_resolution = sscanf(str, "%d %d %d %d",
+ &resolution[0], &resolution[1],
+ &resolution[2], &resolution[3]);
+ if (num_resolution == 4)
+ EvdevMultitouchSetResolution(pInfo, num_resolution, resolution);
+ else
+ xf86Msg(X_ERROR,
+ "%s: Insufficient resolution factors (%d). Ignoring resolution\n",
+ pInfo->name, num_resolution);
+ }
+
+ use_transform = False;
+ str = xf86CheckStrOption(pInfo->options, "Transform", NULL);
+ if (str) {
+ num_transform = sscanf(str, "%f %f %f %f %f %f %f %f %f",
+ &tr[0], &tr[1], &tr[2],
+ &tr[3], &tr[4], &tr[5],
+ &tr[6], &tr[7], &tr[8]);
+ if (num_transform == 9)
+ EvdevMultitouchSetTransform(pInfo, num_transform, tr);
+ else
+ {
+ xf86Msg(X_ERROR,
+ "%s: Insufficient transform factors (%d). Ignoring transform\n",
+ pInfo->name, num_transform);
+ }
+ }
+
+ /* 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. */
+ pEvdevMultitouch->grabDevice = xf86CheckBoolOption(dev->commonOptions, "GrabDevice", 0);
+
+ /* Get setting for checking wether a point is still alive */
+ pEvdevMultitouch->timeout = xf86CheckIntOption(dev->commonOptions,
+ "SubdevTimeout", DEFAULT_TIMEOUT);
+ if (pEvdevMultitouch->timeout < 1) {
+ pEvdevMultitouch->timeout = 1;
+ }
+ xf86Msg(X_INFO, "%s: SubdevTimeout set to %d\n",
+ dev->identifier, (int)pEvdevMultitouch->timeout);
+
+ EvdevMultitouchInitButtonMapping(pInfo);
+
+ if (EvdevMultitouchCacheCompare(pInfo, FALSE) ||
+ EvdevMultitouchProbe(pInfo)) {
+ close(pInfo->fd);
+ xf86DeleteInput(pInfo, 0);
+ return NULL;
+ }
+
+ if ((pEvdevMultitouch->flags & EVDEVMULTITOUCH_MULTITOUCH) && !pEvdevMultitouch->num_buttons) {
+ /* absolute multitouch screen :
+ * forcing num_buttons = 1
+ */
+ pEvdevMultitouch->num_buttons = 1;
+ pEvdevMultitouch->flags |= EVDEVMULTITOUCH_BUTTON_EVENTS;
+ }
+
+ if(pEvdevMultitouch->flags & EVDEVMULTITOUCH_MULTITOUCH)
+ {
+ pEvdevMultitouch->num_multitouch = 1;
+ pEvdevMultitouch->vals_mt[0].pInfo = pInfo;
+ }
+
+ if(pEvdevMultitouch->flags & EVDEVMULTITOUCH_RESOLUTION)
+ {
+ EvdevMultitouchSwapAxes(pEvdevMultitouch);
+ }
+#ifdef _F_IGNORE_TSP_RESOLUTION_
+ else
+ {
+ pEvdevMultitouch->absinfo[ABS_X].maximum = 0;
+ pEvdevMultitouch->absinfo[ABS_X].minimum = 0;
+ pEvdevMultitouch->absinfo[ABS_Y].maximum = 0;
+ pEvdevMultitouch->absinfo[ABS_Y].minimum = 0;
+ }
+#endif//_F_IGNORE_TSP_RESOLUTION_
+
+ // register only the core device
+ EvdevMultitouchAddDevice(pInfo);
+ }
+
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_BUTTON_EVENTS)
+ {
+ EvdevMultitouchMBEmuPreInit(pInfo);
+ EvdevMultitouchWheelEmuPreInit(pInfo);
+ EvdevMultitouchDragLockPreInit(pInfo);
+ }
+
+ return pInfo;
+}
+
+_X_EXPORT InputDriverRec EVDEVMULTITOUCHh = {
+ 1,
+ "evdevmultitouch",
+ NULL,
+ EvdevMultitouchPreInit,
+ NULL,
+ NULL,
+ 0
+};
+
+static void
+EvdevMultitouchUnplug(pointer p)
+{
+}
+
+static pointer
+EvdevMultitouchPlug(pointer module,
+ pointer options,
+ int *errmaj,
+ int *errmin)
+{
+ xf86AddInputDriver(&EVDEVMULTITOUCHh, module, 0);
+ return module;
+}
+
+static XF86ModuleVersionInfo EvdevMultitouchVersionRec =
+{
+ "evdevmultitouch",
+ 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 evdevmultitouchModuleData =
+{
+ &EvdevMultitouchVersionRec,
+ EvdevMultitouchPlug,
+ EvdevMultitouchUnplug
+};
+
+
+/* Return an index value for a given button event code
+ * returns 0 on non-button event.
+ */
+unsigned int
+EvdevMultitouchUtilButtonEventToButtonNumber(EvdevMultitouchPtr pEvdevMultitouch, int code)
+{
+ unsigned int button = 0;
+
+ switch(code) {
+ case BTN_LEFT:
+ button = 1;
+ break;
+
+ case BTN_RIGHT:
+ button = 3;
+ break;
+
+ case BTN_MIDDLE:
+ button = 2;
+ break;
+
+ /* Treat BTN_[0-2] as LMR buttons on devices that do not advertise
+ BTN_LEFT, BTN_MIDDLE, BTN_RIGHT.
+ Otherwise, treat BTN_[0+n] as button 5+n.
+ XXX: This causes duplicate mappings for BTN_0 + n and BTN_SIDE + n
+ */
+ case BTN_0:
+ button = (TestBit(BTN_LEFT, pEvdevMultitouch->key_bitmask)) ? 8 : 1;
+ break;
+ case BTN_1:
+ button = (TestBit(BTN_MIDDLE, pEvdevMultitouch->key_bitmask)) ? 9 : 2;
+ break;
+ case BTN_2:
+ button = (TestBit(BTN_RIGHT, pEvdevMultitouch->key_bitmask)) ? 10 : 3;
+ break;
+
+ /* FIXME: BTN_3.. and BTN_SIDE.. have the same button mapping */
+ case BTN_3:
+ case BTN_4:
+ case BTN_5:
+ case BTN_6:
+ case BTN_7:
+ case BTN_8:
+ case BTN_9:
+ button = (code - BTN_0 + 5);
+ break;
+
+ case BTN_SIDE:
+ case BTN_EXTRA:
+ case BTN_FORWARD:
+ case BTN_BACK:
+ case BTN_TASK:
+ button = (code - BTN_LEFT + 5);
+ break;
+
+ default:
+ if ((code > BTN_TASK) && (code < KEY_OK)) {
+ if (code < BTN_JOYSTICK) {
+ if (code < BTN_MOUSE)
+ button = (code - BTN_0 + 5);
+ else
+ button = (code - BTN_LEFT + 5);
+ }
+ }
+ }
+
+ if (button > EVDEVMULTITOUCH_MAXBUTTONS)
+ return 0;
+
+ return button;
+}
+
+#ifdef HAVE_PROPERTIES
+#ifdef HAVE_LABELS
+/* Aligned with linux/input.h.
+ Note that there are holes in the ABS_ range, these are simply replaced with
+ MISC here */
+static 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 */
+};
+
+static 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 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 */
+ }
+};
+
+#endif /* HAVE_LABELS */
+
+static void EvdevMultitouchInitAxesLabels(EvdevMultitouchPtr pEvdevMultitouch, int natoms, Atom *atoms)
+{
+#ifdef HAVE_LABELS
+ Atom atom;
+ int axis;
+ char **labels;
+ int labels_len = 0;
+ char *misc_label;
+
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_ABSOLUTE_EVENTS)
+ {
+ labels = abs_labels;
+ labels_len = ArrayLength(abs_labels);
+ misc_label = AXIS_LABEL_PROP_ABS_MISC;
+ } else if ((pEvdevMultitouch->flags & EVDEVMULTITOUCH_RELATIVE_EVENTS))
+ {
+ labels = rel_labels;
+ labels_len = ArrayLength(rel_labels);
+ misc_label = AXIS_LABEL_PROP_REL_MISC;
+ }
+
+ memset(atoms, 0, natoms * sizeof(Atom));
+
+ /* Now fill the ones we know */
+ for (axis = 0; axis < labels_len; axis++)
+ {
+ if (pEvdevMultitouch->axis_map[axis] == -1)
+ continue;
+
+ atom = XIGetKnownProperty(labels[axis]);
+ if (!atom) /* Should not happen */
+ continue;
+
+ atoms[pEvdevMultitouch->axis_map[axis]] = atom;
+ }
+#endif
+}
+
+static void EvdevMultitouchInitButtonLabels(EvdevMultitouchPtr pEvdevMultitouch, int natoms, Atom *atoms)
+{
+#ifdef HAVE_LABELS
+ 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 (TestBit(button, pEvdevMultitouch->key_bitmask))
+ {
+ 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 = EvdevMultitouchUtilButtonEventToButtonNumber(pEvdevMultitouch, button) - 1;
+ if( bmap >= 0 )
+ 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);
+#endif
+}
+
+static void
+EvdevMultitouchInitProperty(DeviceIntPtr dev)
+{
+ InputInfoPtr pInfo = dev->public.devicePrivate;
+ EvdevMultitouchPtr pEvdevMultitouch = pInfo->private;
+ int rc;
+ int val;
+ BOOL invert[2];
+ char reopen;
+
+ prop_reopen = MakeAtom(EVDEVMULTITOUCH_PROP_REOPEN, strlen(EVDEVMULTITOUCH_PROP_REOPEN),
+ TRUE);
+
+ reopen = pEvdevMultitouch->reopen_attempts;
+ rc = XIChangeDeviceProperty(dev, prop_reopen, XA_INTEGER, 8,
+ PropModeReplace, 1, &reopen, FALSE);
+ if (rc != Success)
+ return;
+
+ XISetDevicePropertyDeletable(dev, prop_reopen, FALSE);
+
+ if (pEvdevMultitouch->flags & (EVDEVMULTITOUCH_RELATIVE_EVENTS | EVDEVMULTITOUCH_ABSOLUTE_EVENTS))
+ {
+ invert[0] = pEvdevMultitouch->invert_x;
+ invert[1] = pEvdevMultitouch->invert_y;
+
+ prop_invert = MakeAtom(EVDEVMULTITOUCH_PROP_INVERT_AXES, strlen(EVDEVMULTITOUCH_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(EVDEVMULTITOUCH_PROP_CALIBRATION,
+ strlen(EVDEVMULTITOUCH_PROP_CALIBRATION), TRUE);
+ rc = XIChangeDeviceProperty(dev, prop_calibration, XA_INTEGER, 32,
+ PropModeReplace, 0, NULL, FALSE);
+ if (rc != Success)
+ return;
+
+ XISetDevicePropertyDeletable(dev, prop_calibration, FALSE);
+
+ prop_swap = MakeAtom(EVDEVMULTITOUCH_PROP_SWAP_AXES,
+ strlen(EVDEVMULTITOUCH_PROP_SWAP_AXES), TRUE);
+
+ rc = XIChangeDeviceProperty(dev, prop_swap, XA_INTEGER, 8,
+ PropModeReplace, 1, &pEvdevMultitouch->swap_axes, FALSE);
+ if (rc != Success)
+ return;
+
+ XISetDevicePropertyDeletable(dev, prop_swap, FALSE);
+
+ if (pEvdevMultitouch->flags & EVDEVMULTITOUCH_MULTITOUCH)
+ {
+ /* tracking ids for mt */
+ prop_tracking_id = MakeAtom(EVDEVMULTITOUCH_PROP_TRACKING_ID,
+ strlen(EVDEVMULTITOUCH_PROP_TRACKING_ID), TRUE);
+ rc = XIChangeDeviceProperty(dev, prop_tracking_id, XA_INTEGER, 32,
+ PropModeReplace, 1, &pEvdevMultitouch->id, FALSE);
+ if (rc != Success)
+ return;
+
+ XISetDevicePropertyDeletable(dev, prop_tracking_id, FALSE);
+
+ /* flag to emulate or not a touchscreen for mt */
+ prop_multitouch = MakeAtom(EVDEVMULTITOUCH_PROP_MULTITOUCH_SUBDEVICES,
+ strlen(EVDEVMULTITOUCH_PROP_MULTITOUCH_SUBDEVICES), TRUE);
+ rc = XIChangeDeviceProperty(dev, prop_multitouch, XA_INTEGER, 8,
+ PropModeReplace, 1, &pEvdevMultitouch->num_multitouch, FALSE);
+ if (rc != Success)
+ return;
+
+ XISetDevicePropertyDeletable(dev, prop_multitouch, FALSE);
+ }
+
+ //property for checking pointer grab status
+ val = 0;
+ prop_grabinfo = MakeAtom(EVDEVMULTITOUCH_PROP_GRABINFO, strlen(EVDEVMULTITOUCH_PROP_GRABINFO), TRUE);
+ rc = XIChangeDeviceProperty(dev, prop_grabinfo, XA_INTEGER, 8, PropModeReplace, 1, &val, FALSE);
+
+ if (rc != Success)
+ return;
+
+ XISetDevicePropertyDeletable(dev, prop_grabinfo, FALSE);
+
+ if( EvdevMultitouchIsCoreDevice(pInfo) )//master only
+ {
+ /* flag to use poll */
+ prop_use_poll = MakeAtom(EVDEVMULTITOUCH_PROP_USE_POLL, strlen(EVDEVMULTITOUCH_PROP_USE_POLL), TRUE);
+ rc = XIChangeDeviceProperty(dev, prop_use_poll, XA_INTEGER, 8, PropModeReplace, 1, &pEvdevMultitouch->use_poll, FALSE);
+ if (rc != Success)
+ return;
+
+ XISetDevicePropertyDeletable(dev, prop_use_poll, FALSE);
+
+ /* matrix to transform */
+ prop_transform = MakeAtom(EVDEVMULTITOUCH_PROP_TRANSFORM, strlen(EVDEVMULTITOUCH_PROP_TRANSFORM), TRUE);
+ rc = XIChangeDeviceProperty(dev, prop_transform, XIGetKnownProperty(XATOM_FLOAT), 32, PropModeReplace, 9, transform, FALSE);
+
+ if (rc != Success)
+ return;
+
+ XISetDevicePropertyDeletable(dev, prop_transform, FALSE);
+ }
+
+#ifdef HAVE_LABELS
+ /* Axis labelling */
+ if ((pEvdevMultitouch->num_vals > 0) && (prop_axis_label = XIGetKnownProperty(AXIS_LABEL_PROP)))
+ {
+ Atom atoms[pEvdevMultitouch->num_vals];
+ EvdevMultitouchInitAxesLabels(pEvdevMultitouch, pEvdevMultitouch->num_vals, atoms);
+ XIChangeDeviceProperty(dev, prop_axis_label, XA_ATOM, 32,
+ PropModeReplace, pEvdevMultitouch->num_vals, atoms, FALSE);
+ XISetDevicePropertyDeletable(dev, prop_axis_label, FALSE);
+ }
+ /* Button labelling */
+ if ((pEvdevMultitouch->num_buttons > 0) && (prop_btn_label = XIGetKnownProperty(BTN_LABEL_PROP)))
+ {
+ Atom atoms[EVDEVMULTITOUCH_MAXBUTTONS];
+ EvdevMultitouchInitButtonLabels(pEvdevMultitouch, EVDEVMULTITOUCH_MAXBUTTONS, atoms);
+ XIChangeDeviceProperty(dev, prop_btn_label, XA_ATOM, 32,
+ PropModeReplace, pEvdevMultitouch->num_buttons, atoms, FALSE);
+ XISetDevicePropertyDeletable(dev, prop_btn_label, FALSE);
+ }
+#endif /* HAVE_LABELS */
+ }
+
+}
+
+static void EvdevMultitouchSwapAxes(EvdevMultitouchPtr pEvdevMultitouch)
+{
+ if(pEvdevMultitouch->swap_axes)
+ {
+ pEvdevMultitouch->absinfo[ABS_Y].maximum = pEvdevMultitouch->resolution.max_x;
+ pEvdevMultitouch->absinfo[ABS_Y].minimum = pEvdevMultitouch->resolution.min_x;
+ pEvdevMultitouch->absinfo[ABS_X].maximum = pEvdevMultitouch->resolution.max_y;
+ pEvdevMultitouch->absinfo[ABS_X].minimum = pEvdevMultitouch->resolution.min_y;
+ }
+ else
+ {
+ pEvdevMultitouch->absinfo[ABS_X].maximum = pEvdevMultitouch->resolution.max_x;
+ pEvdevMultitouch->absinfo[ABS_X].minimum = pEvdevMultitouch->resolution.min_x;
+ pEvdevMultitouch->absinfo[ABS_Y].maximum = pEvdevMultitouch->resolution.max_y;
+ pEvdevMultitouch->absinfo[ABS_Y].minimum = pEvdevMultitouch->resolution.min_y;
+ }
+}
+
+static int
+EvdevMultitouchSetProperty(DeviceIntPtr dev, Atom atom, XIPropertyValuePtr val,
+ BOOL checkonly)
+{
+ InputInfoPtr pInfo = dev->public.devicePrivate;
+ EvdevMultitouchPtr pEvdevMultitouch = 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;
+ pEvdevMultitouch->invert_x = data[0];
+ pEvdevMultitouch->invert_y = data[1];
+ }
+ } else if (atom == prop_reopen)
+ {
+ if (val->format != 8 || val->size != 1 || val->type != XA_INTEGER)
+ return BadMatch;
+
+ if (!checkonly)
+ pEvdevMultitouch->reopen_attempts = *((CARD8*)val->data);
+ } 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)
+ EvdevMultitouchSetCalibration(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)
+ pEvdevMultitouch->swap_axes = *((BOOL*)val->data);
+ EvdevMultitouchSwapAxes(pEvdevMultitouch);
+ } else if (atom == prop_axis_label || atom == prop_btn_label)
+ return BadAccess; /* Axis/Button labels can't be changed */
+ else if (atom == prop_tracking_id)
+ {
+ if (val->format != 32 || val->type != XA_INTEGER || val->size != 1)
+ return BadMatch;
+
+ if (!checkonly)
+ pEvdevMultitouch->id = *((int*)val->data);
+ } else if (atom == prop_multitouch)
+ {
+ BOOL data;
+ if (val->format != 8 || val->type != XA_INTEGER || val->size != 1)
+ return BadMatch;
+ if (!checkonly) {
+ data = *((BOOL*)val->data);
+ if (pEvdevMultitouch->num_multitouch != data)
+ EvdevMultitouchSetMultitouch(pInfo,data);
+ }
+ } else if (atom == prop_use_poll)
+ {
+ BOOL data;
+ if (val->format != 8 || val->type != XA_INTEGER || val->size != 1)
+ return BadMatch;
+ if (!checkonly) {
+ data = *((BOOL*)val->data);
+ if (pEvdevMultitouch->use_poll != data)
+ EvdevMultitouchSetUsePoll(pInfo,(BOOL)data);
+ }
+ }
+ else if (atom == prop_transform)
+ {
+ float *f;
+ if (val->format != 32 || val->type != XIGetKnownProperty(XATOM_FLOAT) || val->size != 9)
+ return BadMatch;
+ if (!checkonly) {
+ f = (float*)val->data;
+ EvdevMultitouchSetTransform(pInfo, val->size, f);
+ }
+ }
+ else if (atom == prop_grabinfo)
+ {
+ BOOL data;
+ if (val->format != 8 || val->type != XA_INTEGER || val->size != 1)
+ return BadMatch;
+ if (!checkonly) {
+ data = *((BOOL*)val->data);
+ EvdevMultitouchGetGrabInfo(pInfo, (BOOL)data);
+ }
+ }
+
+ return Success;
+}
+#endif
+
+/* Duplicate xf86 options and convert them to InputOption */
+static InputOption *EvdevMultitouchOptionDupConvert(pointer original)
+{
+ InputOption *iopts = NULL, *new;
+ InputInfoRec dummy;
+
+
+ memset(&dummy, 0, sizeof(dummy));
+ xf86CollectInputOptions(&dummy, NULL, original);
+
+ while(dummy.options)
+ {
+ new = calloc(1, sizeof(InputOption));
+
+ new->key = xf86OptionName(dummy.options);
+ new->value = xf86OptionValue(dummy.options);
+
+ new->next = iopts;
+ iopts = new;
+ dummy.options = xf86NextOption(dummy.options);
+ }
+ return iopts;
+}
+static void EvdevMultitouchFreeInputOpts(InputOption* opts)
+{
+ InputOption *tmp = opts;
+
+ while(opts)
+ {
+ tmp = opts->next;
+ free(opts->key);
+ free(opts->value);
+ free(opts);
+ opts = tmp;
+ }
+}
+static void EvdevMultitouchReplaceOption(InputOption *opts,const char* key, char * value)
+{
+
+ while(opts)
+ {
+ if (xf86NameCmp(opts->key, key) == 0)
+ {
+
+ free(opts->value);
+ opts->value = strdup(value);
+ }
+ opts = opts->next;
+ }
+}
+
+/**
+ * New device creation through xorg/input
+ *
+ * @return 0 if successful, 1 if failure
+ */
+static InputInfoPtr
+EvdevMultitouchCreateSubDevice(InputInfoPtr pInfo, int id) {
+ InputInfoPtr pSubdev;
+
+ DeviceIntPtr dev; /* dummy */
+ InputOption *input_options = NULL;
+ char* name;
+
+
+ pInfo->options = xf86AddNewOption(pInfo->options, "Type", "core");
+ pInfo->options = xf86AddNewOption(pInfo->options, "SendCoreEvents", "off");
+
+ /* Create new device */
+
+ input_options = EvdevMultitouchOptionDupConvert(pInfo->options);
+
+ EvdevMultitouchReplaceOption(input_options, "type","Object");
+
+ //EvdevMultitouchReplaceOption(input_options, "SendCoreEvents","off"); //FIXME: bug in xserver
+ name = malloc( (strlen(pInfo->name) + strlen(" subdev ") + 20 )*sizeof(char)); // 20 for adding the id
+
+ if( !name )
+ {
+ ErrorF("[X11][%s] Failed to allocate memory !\n", __FUNCTION__);
+ return NULL;
+ }
+
+ sprintf(name, "%s subdev %i", pInfo->name, id);
+ EvdevMultitouchReplaceOption(input_options, "name",name);
+
+ pCreatorInfo = pInfo;
+ NewInputDeviceRequest(input_options, NULL, &dev);//for xserver 1.8.0
+ //NewInputDeviceRequest(input_options, &dev);//for xserver 1.7.1
+ pSubdev = dev->public.devicePrivate;
+ pCreatorInfo = NULL;
+
+ EvdevMultitouchFreeInputOpts(input_options);
+
+ free(name);
+ return pSubdev;
+}
+static void
+EvdevMultitouchDeleteSubDevice(InputInfoPtr pInfo, InputInfoPtr subdev) {
+ /* We need to explicitely flush the events so as not deleting
+ * a device that still has events in queue
+ */
+ xf86Msg(X_INFO, "%s: Removing subdevice %s\n", pInfo->name,subdev->name);
+ DeleteInputDeviceRequest(subdev->dev);
+}