663 lines
20 KiB
C
663 lines
20 KiB
C
/*
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* Copyright 1995-1999 by Frederic Lepied, France. <Lepied@XFree86.org>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Frederic Lepied not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Frederic Lepied makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* FREDERIC LEPIED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL FREDERIC LEPIED BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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/*
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* Copyright (c) 2000-2002 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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/* $XConsortium: xf86Xinput.c /main/14 1996/10/27 11:05:25 kaleb $ */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/Xfuncproto.h>
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#include <X11/Xmd.h>
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#ifdef XINPUT
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#endif
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86Xinput.h"
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#ifdef XINPUT
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#include "XIstubs.h"
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#include "xf86Optrec.h"
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#endif
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#include "mipointer.h"
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#include "xf86InPriv.h"
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#ifdef DPMSExtension
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#define DPMS_SERVER
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#include <X11/extensions/dpms.h>
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#include "dpmsproc.h"
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#endif
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#include "exevents.h" /* AddInputDevice */
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#include "exglobals.h"
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#define EXTENSION_PROC_ARGS void *
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#include "extnsionst.h"
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#include "extinit.h" /* LookupDeviceIntRec */
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#include "windowstr.h" /* screenIsSaved */
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#include <stdarg.h>
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#include "osdep.h" /* EnabledDevices */
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#include <X11/Xpoll.h>
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#include "xf86_OSproc.h" /* sigio stuff */
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#include "mi.h"
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xEvent *xf86Events = NULL;
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static Bool
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xf86SendDragEvents(DeviceIntPtr device)
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{
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LocalDevicePtr local = (LocalDevicePtr) device->public.devicePrivate;
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if (device->button->buttonsDown > 0)
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return (local->flags & XI86_SEND_DRAG_EVENTS);
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else
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return (TRUE);
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}
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/***********************************************************************
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*
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* xf86ProcessCommonOptions --
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*
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* Process global options.
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*
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***********************************************************************
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*/
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_X_EXPORT void
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xf86ProcessCommonOptions(LocalDevicePtr local,
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pointer list)
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{
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if (!xf86SetBoolOption(list, "AlwaysCore", 0) ||
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xf86SetBoolOption(list, "SendCoreEvents", 0) ||
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xf86SetBoolOption(list, "CorePointer", 0) ||
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xf86SetBoolOption(list, "CoreKeyboard", 0)) {
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local->flags |= XI86_ALWAYS_CORE;
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xf86Msg(X_CONFIG, "%s: always reports core events\n", local->name);
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}
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if (xf86SetBoolOption(list, "SendDragEvents", 1)) {
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local->flags |= XI86_SEND_DRAG_EVENTS;
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} else {
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xf86Msg(X_CONFIG, "%s: doesn't report drag events\n", local->name);
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}
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}
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/***********************************************************************
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*
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* xf86ActivateDevice --
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*
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* Initialize an input device.
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*
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***********************************************************************
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*/
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_X_EXPORT void
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xf86ActivateDevice(LocalDevicePtr local)
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{
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DeviceIntPtr dev;
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if (local->flags & XI86_CONFIGURED) {
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dev = AddInputDevice(local->device_control, TRUE);
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if (dev == NULL)
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FatalError("Too many input devices");
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local->atom = MakeAtom(local->type_name,
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strlen(local->type_name),
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TRUE);
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AssignTypeAndName(dev, local->atom, local->name);
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dev->public.devicePrivate = (pointer) local;
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local->dev = dev;
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dev->coreEvents = local->flags & XI86_ALWAYS_CORE;
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RegisterOtherDevice(dev);
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if (serverGeneration == 1)
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xf86Msg(X_INFO, "XINPUT: Adding extended input device \"%s\" (type: %s)\n",
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local->name, local->type_name);
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}
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}
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#ifdef XINPUT
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/***********************************************************************
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*
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* Caller: ProcXOpenDevice
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*
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* This is the implementation-dependent routine to open an input device.
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* Some implementations open all input devices when the server is first
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* initialized, and never close them. Other implementations open only
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* the X pointer and keyboard devices during server initialization,
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* and only open other input devices when some client makes an
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* XOpenDevice request. This entry point is for the latter type of
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* implementation.
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*
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* If the physical device is not already open, do it here. In this case,
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* you need to keep track of the fact that one or more clients has the
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* device open, and physically close it when the last client that has
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* it open does an XCloseDevice.
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*
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* The default implementation is to do nothing (assume all input devices
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* are opened during X server initialization and kept open).
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*
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***********************************************************************
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*/
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void
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OpenInputDevice(DeviceIntPtr dev,
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ClientPtr client,
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int *status)
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{
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if (!dev->inited)
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ActivateDevice(dev);
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if (!dev->public.on) {
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if (EnableDevice(dev)) {
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dev->startup = FALSE;
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}
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else {
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ErrorF("couldn't enable device %s\n", dev->name);
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*status = BadDevice;
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return;
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}
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}
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*status = Success;
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}
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void
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CloseInputDevice(DeviceIntPtr dev,
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ClientPtr client)
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{
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}
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/****************************************************************************
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*
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* Caller: ProcXSetDeviceMode
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*
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* Change the mode of an extension device.
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* This function is used to change the mode of a device from reporting
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* relative motion to reporting absolute positional information, and
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* vice versa.
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* The default implementation below is that no such devices are supported.
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*
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***********************************************************************
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*/
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int
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SetDeviceMode (ClientPtr client, DeviceIntPtr dev, int mode)
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{
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LocalDevicePtr local = (LocalDevicePtr)dev->public.devicePrivate;
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if (local->switch_mode) {
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return (*local->switch_mode)(client, dev, mode);
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}
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else
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return BadMatch;
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}
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/***********************************************************************
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*
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* Caller: ProcXSetDeviceValuators
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*
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* Set the value of valuators on an extension input device.
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* This function is used to set the initial value of valuators on
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* those input devices that are capable of reporting either relative
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* motion or an absolute position, and allow an initial position to be set.
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* The default implementation below is that no such devices are supported.
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*
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***********************************************************************
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*/
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int
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SetDeviceValuators (ClientPtr client, DeviceIntPtr dev, int *valuators,
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int first_valuator, int num_valuators)
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{
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LocalDevicePtr local = (LocalDevicePtr) dev->public.devicePrivate;
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if (local->set_device_valuators)
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return (*local->set_device_valuators)(local, valuators, first_valuator,
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num_valuators);
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return BadMatch;
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}
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/***********************************************************************
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*
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* Caller: ProcXChangeDeviceControl
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*
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* Change the specified device controls on an extension input device.
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*
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***********************************************************************
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*/
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int
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ChangeDeviceControl (ClientPtr client, DeviceIntPtr dev, xDeviceCtl *control)
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{
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LocalDevicePtr local = (LocalDevicePtr)dev->public.devicePrivate;
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if (!local->control_proc) {
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switch (control->control) {
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case DEVICE_CORE:
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case DEVICE_RESOLUTION:
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case DEVICE_ABS_CALIB:
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case DEVICE_ABS_AREA:
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return Success;
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default:
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return BadMatch;
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}
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}
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else {
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return (*local->control_proc)(local, control);
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}
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}
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void
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AddOtherInputDevices()
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{
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}
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#endif
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int
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NewInputDeviceRequest (InputOption *options)
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{
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IDevRec *idev = NULL;
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InputDriverPtr drv = NULL;
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InputInfoPtr pInfo = NULL;
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InputOption *option = NULL;
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DeviceIntPtr dev = NULL;
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idev = xcalloc(sizeof(*idev), 1);
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if (!idev)
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return BadAlloc;
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for (option = options; option; option = option->next) {
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if (strcmp(option->key, "driver") == 0) {
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if (!xf86LoadOneModule(option->value, NULL))
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return BadName;
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drv = xf86LookupInputDriver(option->value);
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if (!drv) {
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xf86Msg(X_ERROR, "No input driver matching `%s'\n",
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option->value);
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return BadName;
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}
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idev->driver = xstrdup(option->value);
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if (!idev->driver) {
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xfree(idev);
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return BadAlloc;
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}
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}
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if (strcmp(option->key, "name") == 0 ||
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strcmp(option->key, "identifier") == 0) {
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idev->identifier = xstrdup(option->value);
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if (!idev->identifier) {
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xfree(idev);
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return BadAlloc;
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}
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}
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}
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if (!drv->PreInit) {
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xf86Msg(X_ERROR,
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"Input driver `%s' has no PreInit function (ignoring)\n",
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drv->driverName);
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return BadImplementation;
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}
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idev->commonOptions = NULL;
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for (option = options; option; option = option->next)
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idev->commonOptions = xf86addNewOption(idev->commonOptions,
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option->key, option->value);
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idev->extraOptions = NULL;
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pInfo = drv->PreInit(drv, idev, 0);
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if (!pInfo) {
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xf86Msg(X_ERROR, "PreInit returned NULL for \"%s\"\n", idev->identifier);
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return BadMatch;
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}
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else if (!(pInfo->flags & XI86_CONFIGURED)) {
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xf86Msg(X_ERROR, "PreInit failed for input device \"%s\"\n",
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idev->identifier);
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xf86DeleteInput(pInfo, 0);
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return BadMatch;
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}
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xf86ActivateDevice(pInfo);
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dev = pInfo->dev;
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dev->inited = ((*dev->deviceProc)(dev, DEVICE_INIT) == Success);
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if (dev->inited && dev->startup)
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EnableDevice(dev);
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return Success;
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}
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/*
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* convenient functions to post events
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*/
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_X_EXPORT void
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xf86PostMotionEvent(DeviceIntPtr device,
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int is_absolute,
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int first_valuator,
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int num_valuators,
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...)
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{
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va_list var;
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int i = 0, nevents = 0;
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Bool drag = xf86SendDragEvents(device);
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int *valuators = NULL;
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int flags = 0;
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xEvent *xE = NULL;
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if (is_absolute)
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flags = POINTER_ABSOLUTE;
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else
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flags = POINTER_RELATIVE | POINTER_ACCELERATE;
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valuators = xcalloc(sizeof(int), num_valuators);
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va_start(var, num_valuators);
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for (i = 0; i < num_valuators; i++)
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valuators[i] = va_arg(var, int);
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va_end(var);
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if (!xf86Events)
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xf86Events = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
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if (!xf86Events)
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FatalError("Couldn't allocate event store\n");
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nevents = GetPointerEvents(xf86Events, device, MotionNotify, 0,
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flags, first_valuator, num_valuators,
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valuators);
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for (i = 0; i < nevents; i++) {
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xE = xf86Events + i;
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/* Don't post core motion events for devices not registered to send
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* drag events. */
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if (xE->u.u.type != MotionNotify || drag) {
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mieqEnqueue(device, xf86Events + i);
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}
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}
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xfree(valuators);
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}
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_X_EXPORT void
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xf86PostProximityEvent(DeviceIntPtr device,
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int is_in,
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int first_valuator,
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int num_valuators,
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...)
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{
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va_list var;
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int i, nevents, *valuators = NULL;
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valuators = xcalloc(sizeof(int), num_valuators);
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va_start(var, num_valuators);
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for (i = 0; i < num_valuators; i++)
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valuators[i] = va_arg(var, int);
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va_end(var);
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if (!xf86Events)
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xf86Events = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
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if (!xf86Events)
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FatalError("Couldn't allocate event store\n");
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nevents = GetProximityEvents(xf86Events, device,
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is_in ? ProximityIn : ProximityOut,
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first_valuator, num_valuators, valuators);
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for (i = 0; i < nevents; i++)
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mieqEnqueue(device, xf86Events + i);
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xfree(valuators);
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}
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_X_EXPORT void
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xf86PostButtonEvent(DeviceIntPtr device,
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int is_absolute,
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int button,
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int is_down,
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int first_valuator,
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int num_valuators,
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...)
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{
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va_list var;
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int *valuators = NULL;
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int i = 0, nevents = 0;
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valuators = xcalloc(sizeof(int), num_valuators);
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va_start(var, num_valuators);
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for (i = 0; i < num_valuators; i++)
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valuators[i] = va_arg(var, int);
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va_end(var);
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if (!xf86Events)
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xf86Events = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
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if (!xf86Events)
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FatalError("Couldn't allocate event store\n");
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nevents = GetPointerEvents(xf86Events, device,
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is_down ? ButtonPress : ButtonRelease, button,
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is_absolute ? POINTER_ABSOLUTE :
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POINTER_RELATIVE,
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first_valuator, num_valuators, valuators);
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for (i = 0; i < nevents; i++)
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mieqEnqueue(device, xf86Events + i);
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xfree(valuators);
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}
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_X_EXPORT void
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xf86PostKeyEvent(DeviceIntPtr device,
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unsigned int key_code,
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int is_down,
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int is_absolute,
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int first_valuator,
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int num_valuators,
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...)
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{
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va_list var;
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int i = 0, nevents = 0, *valuators = NULL;
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/* instil confidence in the user */
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DebugF("this function has never been tested properly. if things go quite "
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"badly south after this message, then xf86PostKeyEvent is "
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"broken.\n");
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if (!xf86Events)
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xf86Events = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
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if (!xf86Events)
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FatalError("Couldn't allocate event store\n");
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if (is_absolute) {
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valuators = xcalloc(sizeof(int), num_valuators);
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va_start(var, num_valuators);
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for (i = 0; i < num_valuators; i++)
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valuators[i] = va_arg(var, int);
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va_end(var);
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nevents = GetKeyboardValuatorEvents(xf86Events, device,
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is_down ? KeyPress : KeyRelease,
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key_code, first_valuator,
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num_valuators, valuators);
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xfree(valuators);
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}
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else {
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nevents = GetKeyboardEvents(xf86Events, device,
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is_down ? KeyPress : KeyRelease,
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key_code);
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}
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for (i = 0; i < nevents; i++)
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mieqEnqueue(device, xf86Events + i);
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}
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_X_EXPORT void
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|
xf86PostKeyboardEvent(DeviceIntPtr device,
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|
unsigned int key_code,
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|
int is_down)
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|
{
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|
int nevents = 0, i = 0;
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|
|
|
if (!xf86Events)
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|
xf86Events = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
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|
if (!xf86Events)
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|
FatalError("Couldn't allocate event store\n");
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|
|
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nevents = GetKeyboardEvents(xf86Events, device,
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is_down ? KeyPress : KeyRelease, key_code);
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|
|
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for (i = 0; i < nevents; i++)
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|
mieqEnqueue(device, xf86Events + i);
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|
}
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|
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_X_EXPORT LocalDevicePtr
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|
xf86FirstLocalDevice()
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|
{
|
|
return xf86InputDevs;
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|
}
|
|
|
|
/*
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|
* Cx - raw data from touch screen
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|
* Sxhigh - scaled highest dimension
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|
* (remember, this is of rows - 1 because of 0 origin)
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|
* Sxlow - scaled lowest dimension
|
|
* Rxhigh - highest raw value from touch screen calibration
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|
* Rxlow - lowest raw value from touch screen calibration
|
|
*
|
|
* This function is the same for X or Y coordinates.
|
|
* You may have to reverse the high and low values to compensate for
|
|
* different orgins on the touch screen vs X.
|
|
*/
|
|
|
|
_X_EXPORT int
|
|
xf86ScaleAxis(int Cx,
|
|
int Sxhigh,
|
|
int Sxlow,
|
|
int Rxhigh,
|
|
int Rxlow )
|
|
{
|
|
int X;
|
|
int dSx = Sxhigh - Sxlow;
|
|
int dRx = Rxhigh - Rxlow;
|
|
|
|
dSx = Sxhigh - Sxlow;
|
|
if (dRx) {
|
|
X = ((dSx * (Cx - Rxlow)) / dRx) + Sxlow;
|
|
}
|
|
else {
|
|
X = 0;
|
|
ErrorF ("Divide by Zero in xf86ScaleAxis");
|
|
}
|
|
|
|
if (X > Sxlow)
|
|
X = Sxlow;
|
|
if (X < Sxhigh)
|
|
X = Sxhigh;
|
|
|
|
return (X);
|
|
}
|
|
|
|
/*
|
|
* This function checks the given screen against the current screen and
|
|
* makes changes if appropriate. It should be called from an XInput driver's
|
|
* ReadInput function before any events are posted, if the device is screen
|
|
* specific like a touch screen.
|
|
*/
|
|
_X_EXPORT void
|
|
xf86XInputSetScreen(LocalDevicePtr local,
|
|
int screen_number,
|
|
int x,
|
|
int y)
|
|
{
|
|
if (miPointerGetScreen(local->dev) !=
|
|
screenInfo.screens[screen_number]) {
|
|
miPointerSetScreen(local->dev, screen_number, x, y);
|
|
}
|
|
}
|
|
|
|
|
|
_X_EXPORT void
|
|
xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, int minval, int maxval,
|
|
int resolution, int min_res, int max_res)
|
|
{
|
|
if (!dev || !dev->valuator)
|
|
return;
|
|
|
|
InitValuatorAxisStruct(dev, axnum, minval, maxval, resolution, min_res,
|
|
max_res);
|
|
}
|
|
|
|
/*
|
|
* Set the valuator values to be in synch with dix/event.c
|
|
* DefineInitialRootWindow().
|
|
*/
|
|
_X_EXPORT void
|
|
xf86InitValuatorDefaults(DeviceIntPtr dev, int axnum)
|
|
{
|
|
if (axnum == 0) {
|
|
dev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2;
|
|
dev->valuator->lastx = dev->valuator->axisVal[0];
|
|
}
|
|
else if (axnum == 1) {
|
|
dev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2;
|
|
dev->valuator->lasty = dev->valuator->axisVal[1];
|
|
}
|
|
}
|
|
|
|
/* end of xf86Xinput.c */
|