/* * Copyright © 2006 Zephaniah E. Hull * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Soft- * ware"), to deal in the Software without restriction, including without * limitation the rights to use, copy, modify, merge, publish, distribute, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, provided that the above copyright * notice(s) and this permission notice appear in all copies of the Soft- * ware and that both the above copyright notice(s) and this permission * notice appear in supporting documentation. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- * QUENTIAL 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 PERFOR- * MANCE OF THIS SOFTWARE. * * Except as contained in this notice, the name of a copyright holder shall * not be used in advertising or otherwise to promote the sale, use or * other dealings in this Software without prior written authorization of * the copyright holder. * * Author: Zephaniah E. Hull (warp@aehallh.com) */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include /* The libc wrapper just blows... linux/input.h must be included * before xf86_ansic.h and xf86_libc.h so we avoid defining ioctl * twice. */ #include #include #include #include #include #include #include #include #include #include #include #include "evdev.h" #define ArrayLength(a) (sizeof(a) / (sizeof((a)[0]))) #define BITS_PER_LONG (sizeof(long) * 8) #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1) #define OFF(x) ((x)%BITS_PER_LONG) #define LONG(x) ((x)/BITS_PER_LONG) #define TestBit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1) static char *axis_names[] = { "X", "Y", "Z", "RX", "RY", "RZ", "HWHEEL", "DIAL", "WHEEL", "MISC", "10", "11", "12", "13", "14", "15", NULL }; static void EvdevPtrCtrlProc(DeviceIntPtr device, PtrCtrl *ctrl) { /* Nothing to do, dix handles all settings */ } static Bool EvdevConvert(InputInfoPtr pInfo, int first, int num, int v0, int v1, int v2, int v3, int v4, int v5, int *x, int *y) { if (first == 0) { *x = v0; *y = v1; return TRUE; } else return FALSE; } /* * FIXME: Verify that the C standard lets us pass more variable arguments * then we specify. */ void EvdevRelSyn (InputInfoPtr pInfo) { evdevDevicePtr pEvdev = pInfo->private; evdevStatePtr state = &pEvdev->state; int i, btn; if (!state->rel || state->mode != Relative) return; for (i = 0; i < state->rel->axes; i++) { if ((state->rel->v[i] > 0) && (btn = state->rel->btnMap[i][0])) EvdevBtnPostFakeClicks (pInfo, btn, state->rel->v[i]); else if ((state->rel->v[i] < 0) && (btn = state->rel->btnMap[i][1])) EvdevBtnPostFakeClicks (pInfo, btn, -state->rel->v[i]); } xf86PostMotionEvent(pInfo->dev, 0, 0, state->rel->axes, state->rel->v[0], state->rel->v[1], state->rel->v[2], state->rel->v[3], state->rel->v[4], state->rel->v[5], state->rel->v[6], state->rel->v[7], state->rel->v[8], state->rel->v[9], state->rel->v[10], state->rel->v[11], state->rel->v[12], state->rel->v[13], state->rel->v[14], state->rel->v[15]); for (i = 0; i < REL_MAX; i++) state->rel->v[i] = 0; } void EvdevRelProcess (InputInfoPtr pInfo, struct input_event *ev) { evdevDevicePtr pEvdev = pInfo->private; int map; if (ev->code >= REL_MAX) return; map = pEvdev->state.rel->map[ev->code]; if (map >= 0) pEvdev->state.rel->v[map] += ev->value; else pEvdev->state.rel->v[-map] -= ev->value; if (!pEvdev->state.sync) EvdevRelSyn (pInfo); } int EvdevRelInit (DeviceIntPtr device) { InputInfoPtr pInfo = device->public.devicePrivate; evdevDevicePtr pEvdev = pInfo->private; int i; if (!InitValuatorClassDeviceStruct(device, pEvdev->state.rel->axes, miPointerGetMotionEvents, miPointerGetMotionBufferSize(), 0)) return !Success; for (i = 0; i < pEvdev->state.rel->axes; i++) { xf86InitValuatorAxisStruct(device, i, 0, 0, 0, 0, 1); xf86InitValuatorDefaults(device, i); } if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc)) return !Success; return Success; } int EvdevRelOn (DeviceIntPtr device) { return Success; } int EvdevRelOff (DeviceIntPtr device) { return Success; } int EvdevRelNew(InputInfoPtr pInfo) { evdevDevicePtr pEvdev = pInfo->private; evdevStatePtr state = &pEvdev->state; char *s, option[64]; int i, j, k = 0, real_axes; real_axes = 0; for (i = 0; i < REL_MAX; i++) if (TestBit (i, pEvdev->bits.rel)) real_axes++; if (!real_axes && (!state->abs || state->abs->axes < 2)) return !Success; state->rel = Xcalloc (sizeof (evdevRelRec)); xf86Msg(X_INFO, "%s: Found %d relative axes.\n", pInfo->name, real_axes); xf86Msg(X_INFO, "%s: Configuring as pointer.\n", pInfo->name); pInfo->flags |= XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS | XI86_CONFIGURED; pInfo->type_name = XI_MOUSE; pInfo->conversion_proc = EvdevConvert; for (i = 0, j = 0; i < REL_MAX; i++) { if (!TestBit (i, pEvdev->bits.rel)) continue; snprintf(option, sizeof(option), "%sRelativeAxisMap", axis_names[i]); s = xf86SetStrOption(pInfo->options, option, "0"); if (s && (k = strtol(s, NULL, 0))) state->rel->map[i] = k; else state->rel->map[i] = j; if (s && k) xf86Msg(X_CONFIG, "%s: %s: %d.\n", pInfo->name, option, k); snprintf(option, sizeof(option), "%sRelativeAxisButtons", axis_names[i]); if (i == REL_WHEEL || i == REL_Z) s = xf86SetStrOption(pInfo->options, option, "4 5"); else if (i == REL_HWHEEL) s = xf86SetStrOption(pInfo->options, option, "6 7"); else s = xf86SetStrOption(pInfo->options, option, "0 0"); k = state->rel->map[i]; if (!s || (sscanf(s, "%d %d", &state->rel->btnMap[k][0], &state->rel->btnMap[k][1]) != 2)) state->rel->btnMap[k][0] = state->rel->btnMap[k][1] = 0; if (state->rel->btnMap[k][0] || state->rel->btnMap[k][1]) xf86Msg(X_CONFIG, "%s: %s: %d %d.\n", pInfo->name, option, state->rel->btnMap[k][0], state->rel->btnMap[k][1]); j++; } state->rel->axes = real_axes; for (i = 0; i < REL_MAX; i++) if (state->rel->map[i] > state->rel->axes) state->rel->axes = state->rel->map[i]; if (state->abs && (state->abs->axes >= 2) && (state->rel->axes < 2)) state->rel->axes = 2; if (state->rel->axes != real_axes) xf86Msg(X_CONFIG, "%s: Configuring %d relative axes.\n", pInfo->name, state->rel->axes); return Success; }