c8f76fb3a4
Don't allow users to change the core pointer. Fix xf86SendDragEvents to check the device button state, not the core pointer's. Remove unused xf86CheckButton.
940 lines
29 KiB
C
940 lines
29 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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/******************************************************************************
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* debugging macro
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*****************************************************************************/
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#ifdef DEBUG
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static int debug_level = 0;
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#define DBG(lvl, f) {if ((lvl) <= debug_level) f;}
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#else
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#define DBG(lvl, f)
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#endif
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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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local->history_size = xf86SetIntOption(list, "HistorySize", 0);
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if (local->history_size > 0) {
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xf86Msg(X_CONFIG, "%s: has a history of %d motions\n", local->name,
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local->history_size);
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}
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}
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void
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xf86AlwaysCoreControl(DeviceIntPtr pDev, IntegerCtrl *control)
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{
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}
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/***********************************************************************
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*
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* xf86XinputFinalizeInit --
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*
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* Create and initialize an integer feedback to control the always
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* core feature.
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*
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***********************************************************************
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*/
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void
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xf86XinputFinalizeInit(DeviceIntPtr dev)
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{
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LocalDevicePtr local = (LocalDevicePtr)dev->public.devicePrivate;
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if (InitIntegerFeedbackClassDeviceStruct(dev, xf86AlwaysCoreControl) == FALSE) {
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ErrorF("Unable to init integer feedback for always core feature\n");
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} else {
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local->always_core_feedback = dev->intfeed;
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dev->intfeed->ctrl.integer_displayed = (local->flags & XI86_ALWAYS_CORE) ? 1 : 0;
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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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xf86XinputFinalizeInit(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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/***********************************************************************
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*
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* Caller: ProcXChangeKeyboardDevice
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*
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* This procedure does the implementation-dependent portion of the work
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* needed to change the keyboard device.
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*
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* The X keyboard device has a FocusRec. If the device that has been
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* made into the new X keyboard did not have a FocusRec,
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* ProcXChangeKeyboardDevice will allocate one for it.
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*
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* If you do not want clients to be able to focus the old X keyboard
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* device, call DeleteFocusClassDeviceStruct to free the FocusRec.
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*
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* If you support input devices with keys that you do not want to be
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* used as the X keyboard, you need to check for them here and return
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* a BadDevice error.
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*
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* The default implementation is to do nothing (assume you do want
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* clients to be able to focus the old X keyboard). The commented-out
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* sample code shows what you might do if you don't want the default.
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*
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***********************************************************************
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*/
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int
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ChangeKeyboardDevice (DeviceIntPtr old_dev, DeviceIntPtr new_dev)
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{
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/**********************************************************************
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* DeleteFocusClassDeviceStruct(old_dev); * defined in xchgptr.c *
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**********************************************************************/
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return !Success;
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}
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/***********************************************************************
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*
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* Caller: ProcXChangePointerDevice
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*
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* This procedure does the implementation-dependent portion of the work
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* needed to change the pointer device.
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*
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* The X pointer device does not have a FocusRec. If the device that
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* has been made into the new X pointer had a FocusRec,
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* ProcXChangePointerDevice will free it.
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*
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* If you want clients to be able to focus the old pointer device that
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* has now become accessible through the input extension, you need to
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* add a FocusRec to it here.
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*
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* The XChangePointerDevice protocol request also allows the client
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* to choose which axes of the new pointer device are used to move
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* the X cursor in the X- and Y- directions. If the axes are different
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* than the default ones, you need to keep track of that here.
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*
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* If you support input devices with valuators that you do not want to be
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* used as the X pointer, you need to check for them here and return a
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* BadDevice error.
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*
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* The default implementation is to do nothing (assume you don't want
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* clients to be able to focus the old X pointer). The commented-out
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* sample code shows what you might do if you don't want the default.
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*
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***********************************************************************
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*/
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int
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ChangePointerDevice (
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DeviceIntPtr old_dev,
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DeviceIntPtr new_dev,
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unsigned char x,
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unsigned char y)
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{
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/************************************************************************
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InitFocusClassDeviceStruct(old_dev); * allow focusing old ptr*
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x_axis = x; * keep track of new x-axis*
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y_axis = y; * keep track of new y-axis*
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if (x_axis != 0 || y_axis != 1)
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axes_changed = TRUE; * remember axes have changed*
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else
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axes_changed = FALSE;
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*************************************************************************/
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return !Success;
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}
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/***********************************************************************
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*
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* Caller: ProcXCloseDevice
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*
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* Take care of implementation-dependent details of closing a device.
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* Some implementations may actually close the device, others may just
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* remove this clients interest in that device.
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*
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* The default implementation is to do nothing (assume all input devices
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* are initialized 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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CloseInputDevice (DeviceIntPtr d, ClientPtr client)
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{
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}
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/***********************************************************************
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*
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* Caller: ProcXListInputDevices
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*
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* This is the implementation-dependent routine to initialize an input
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* device to the point that information about it can be listed.
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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. If some other process has the device open, the
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* server may not be able to get information about the device to list it.
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*
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* This procedure should be used by implementations that do not initialize
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* all input devices at server startup. It should do device-dependent
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* initialization for any devices not previously initialized, and call
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* AddInputDevice for each of those devices so that a DeviceIntRec will be
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* created for them.
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*
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* The default implementation is to do nothing (assume all input devices
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* are initialized during X server initialization and kept open).
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* The commented-out sample code shows what you might do if you don't want
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* the default.
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*
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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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/****************************************************************************
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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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#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",
|
|
idev->identifier);
|
|
xf86DeleteInput(pInfo, 0);
|
|
return BadMatch;
|
|
}
|
|
|
|
xf86ActivateDevice(pInfo);
|
|
|
|
dev = pInfo->dev;
|
|
dev->inited = ((*dev->deviceProc)(dev, DEVICE_INIT) == Success);
|
|
if (dev->inited && dev->startup)
|
|
EnableDevice(dev);
|
|
|
|
return Success;
|
|
}
|
|
|
|
/*
|
|
* convenient functions to post events
|
|
*/
|
|
|
|
_X_EXPORT void
|
|
xf86PostMotionEvent(DeviceIntPtr device,
|
|
int is_absolute,
|
|
int first_valuator,
|
|
int num_valuators,
|
|
...)
|
|
{
|
|
va_list var;
|
|
int i = 0, nevents = 0;
|
|
Bool drag = xf86SendDragEvents(device);
|
|
LocalDevicePtr local = (LocalDevicePtr) device->public.devicePrivate;
|
|
int *valuators = NULL;
|
|
int flags = 0;
|
|
|
|
if (is_absolute)
|
|
flags = POINTER_ABSOLUTE;
|
|
else
|
|
flags = POINTER_RELATIVE | POINTER_ACCELERATE;
|
|
|
|
valuators = xcalloc(sizeof(int), num_valuators);
|
|
|
|
va_start(var, num_valuators);
|
|
for (i = 0; i < num_valuators; i++) {
|
|
valuators[i] = va_arg(var, int);
|
|
}
|
|
|
|
if (!xf86Events)
|
|
xf86Events = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
|
|
if (!xf86Events)
|
|
FatalError("Couldn't allocate event store\n");
|
|
|
|
nevents = GetPointerEvents(xf86Events, device, MotionNotify, 0,
|
|
flags, first_valuator, num_valuators,
|
|
valuators);
|
|
|
|
for (i = 0; i < nevents; i++)
|
|
mieqEnqueue(device, xf86Events + i);
|
|
}
|
|
|
|
_X_EXPORT void
|
|
xf86PostProximityEvent(DeviceIntPtr device,
|
|
int is_in,
|
|
int first_valuator,
|
|
int num_valuators,
|
|
...)
|
|
{
|
|
va_list var;
|
|
int loop;
|
|
Bool is_core = device->coreEvents;
|
|
|
|
ErrorF("xf86PostProximityEvent: no-op event called\n");
|
|
|
|
#if 0
|
|
DBG(5, ErrorF("xf86PostProximityEvent BEGIN 0x%x(%s) prox=%s is_core=%s is_absolute=%s\n",
|
|
device, device->name, is_in ? "true" : "false",
|
|
is_core ? "True" : "False",
|
|
is_absolute ? "True" : "False"));
|
|
|
|
if (is_core) {
|
|
return;
|
|
}
|
|
|
|
if (num_valuators && (!val || (first_valuator + num_valuators > val->numAxes))) {
|
|
ErrorF("Bad valuators reported for device \"%s\"\n", device->name);
|
|
return;
|
|
}
|
|
|
|
xev->type = is_in ? ProximityIn : ProximityOut;
|
|
xev->detail = 0;
|
|
xev->deviceid = device->id | MORE_EVENTS;
|
|
|
|
xv->type = DeviceValuator;
|
|
xv->deviceid = device->id;
|
|
xv->device_state = 0;
|
|
|
|
if ((device->valuator->mode & 1) == Relative) {
|
|
num_valuators = 0;
|
|
}
|
|
|
|
if (num_valuators != 0) {
|
|
int *axisvals = val->axisVal;
|
|
|
|
va_start(var, num_valuators);
|
|
|
|
for(loop=0; loop<num_valuators; loop++) {
|
|
switch (loop % 6) {
|
|
case 0:
|
|
xv->valuator0 = is_absolute ? va_arg(var, int) : axisvals[loop];
|
|
break;
|
|
case 1:
|
|
xv->valuator1 = is_absolute ? va_arg(var, int) : axisvals[loop];
|
|
break;
|
|
case 2:
|
|
xv->valuator2 = is_absolute ? va_arg(var, int) : axisvals[loop];
|
|
break;
|
|
case 3:
|
|
xv->valuator3 = is_absolute ? va_arg(var, int) : axisvals[loop];
|
|
break;
|
|
case 4:
|
|
xv->valuator4 = is_absolute ? va_arg(var, int) : axisvals[loop];
|
|
break;
|
|
case 5:
|
|
xv->valuator5 = is_absolute ? va_arg(var, int) : axisvals[loop];
|
|
break;
|
|
}
|
|
if ((loop % 6 == 5) || (loop == num_valuators - 1)) {
|
|
xf86Info.lastEventTime = xev->time = GetTimeInMillis();
|
|
|
|
xv->num_valuators = (loop % 6) + 1;
|
|
xv->first_valuator = first_valuator + (loop / 6) * 6;
|
|
mieqEnqueue(xE);
|
|
}
|
|
}
|
|
va_end(var);
|
|
}
|
|
else {
|
|
/* no valuator */
|
|
xf86Info.lastEventTime = xev->time = GetTimeInMillis();
|
|
|
|
xv->num_valuators = 0;
|
|
xv->first_valuator = 0;
|
|
mieqEnqueue(xE);
|
|
}
|
|
DBG(5, ErrorF("xf86PostProximityEvent END 0x%x(%s) prox=%s is_core=%s is_absolute=%s\n",
|
|
device, device->name, is_in ? "true" : "false",
|
|
is_core ? "True" : "False",
|
|
is_absolute ? "True" : "False"));
|
|
#endif
|
|
}
|
|
|
|
_X_EXPORT void
|
|
xf86PostButtonEvent(DeviceIntPtr device,
|
|
int is_absolute,
|
|
int button,
|
|
int is_down,
|
|
int first_valuator,
|
|
int num_valuators,
|
|
...)
|
|
{
|
|
va_list var;
|
|
int *valuators = NULL;
|
|
int i = 0, nevents = 0;
|
|
|
|
valuators = xcalloc(sizeof(int), num_valuators);
|
|
|
|
va_start(var, num_valuators);
|
|
for (i = 0; i < num_valuators; i++) {
|
|
valuators[i] = va_arg(var, int);
|
|
}
|
|
|
|
if (!xf86Events)
|
|
xf86Events = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
|
|
if (!xf86Events)
|
|
FatalError("Couldn't allocate event store\n");
|
|
|
|
nevents = GetPointerEvents(xf86Events, device,
|
|
is_down ? ButtonPress : ButtonRelease, button,
|
|
is_absolute ? POINTER_ABSOLUTE :
|
|
POINTER_RELATIVE,
|
|
first_valuator, num_valuators, valuators);
|
|
|
|
for (i = 0; i < nevents; i++)
|
|
mieqEnqueue(device, xf86Events + i);
|
|
}
|
|
|
|
_X_EXPORT void
|
|
xf86PostKeyEvent(DeviceIntPtr device,
|
|
unsigned int key_code,
|
|
int is_down,
|
|
int is_absolute,
|
|
int first_valuator,
|
|
int num_valuators,
|
|
...)
|
|
{
|
|
va_list var;
|
|
int i = 0, nevents = 0, *valuators = NULL;
|
|
|
|
/* instil confidence in the user */
|
|
DebugF("this function has never been tested properly. if things go quite "
|
|
"badly south after this message, then xf86PostKeyEvent is "
|
|
"broken.\n");
|
|
|
|
if (!xf86Events)
|
|
xf86Events = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
|
|
if (!xf86Events)
|
|
FatalError("Couldn't allocate event store\n");
|
|
|
|
if (is_absolute) {
|
|
valuators = xcalloc(sizeof(int), num_valuators);
|
|
va_start(var, num_valuators);
|
|
for (i = 0; i < num_valuators; i++)
|
|
valuators[i] = va_arg(var, int);
|
|
va_end(var);
|
|
|
|
nevents = GetKeyboardValuatorEvents(xf86Events, device,
|
|
is_down ? KeyPress : KeyRelease,
|
|
key_code, first_valuator,
|
|
num_valuators, valuators);
|
|
}
|
|
else {
|
|
nevents = GetKeyboardEvents(xf86Events, device,
|
|
is_down ? KeyPress : KeyRelease,
|
|
key_code);
|
|
}
|
|
|
|
for (i = 0; i < nevents; i++)
|
|
mieqEnqueue(device, xf86Events + i);
|
|
}
|
|
|
|
_X_EXPORT void
|
|
xf86PostKeyboardEvent(DeviceIntPtr device,
|
|
unsigned int key_code,
|
|
int is_down)
|
|
{
|
|
int nevents = 0, i = 0;
|
|
|
|
if (!xf86Events)
|
|
xf86Events = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
|
|
if (!xf86Events)
|
|
FatalError("Couldn't allocate event store\n");
|
|
|
|
nevents = GetKeyboardEvents(xf86Events, device,
|
|
is_down ? KeyPress : KeyRelease, key_code);
|
|
|
|
for (i = 0; i < nevents; i++)
|
|
mieqEnqueue(device, xf86Events + i);
|
|
}
|
|
|
|
/*
|
|
* Motion history management.
|
|
*/
|
|
|
|
_X_EXPORT void
|
|
xf86MotionHistoryAllocate(LocalDevicePtr local)
|
|
{
|
|
ValuatorClassPtr valuator = local->dev->valuator;
|
|
|
|
if (!HAS_MOTION_HISTORY(local))
|
|
return;
|
|
if (local->motion_history) xfree(local->motion_history);
|
|
local->motion_history = xalloc((sizeof(INT32) * valuator->numAxes + sizeof(Time))
|
|
* valuator->numMotionEvents);
|
|
local->first = 0;
|
|
local->last = 0;
|
|
}
|
|
|
|
_X_EXPORT int
|
|
xf86GetMotionEvents(DeviceIntPtr dev,
|
|
xTimecoord *buff,
|
|
unsigned long start,
|
|
unsigned long stop,
|
|
ScreenPtr pScreen)
|
|
{
|
|
LocalDevicePtr local = (LocalDevicePtr)dev->public.devicePrivate;
|
|
ValuatorClassPtr valuator = dev->valuator;
|
|
int num = 0;
|
|
int loop = local->first;
|
|
int size;
|
|
Time current;
|
|
|
|
if (!HAS_MOTION_HISTORY(local))
|
|
return 0;
|
|
|
|
size = (sizeof(INT32) * valuator->numAxes + sizeof(Time));
|
|
|
|
while (loop != local->last) {
|
|
current = *(Time*)(((char *)local->motion_history)+loop*size);
|
|
if (current > stop)
|
|
return num;
|
|
if (current >= start) {
|
|
memcpy(((char *)buff)+size*num,
|
|
((char *)local->motion_history)+loop*size, size);
|
|
num++;
|
|
}
|
|
loop = (loop + 1) % valuator->numMotionEvents;
|
|
}
|
|
return num;
|
|
}
|
|
|
|
_X_EXPORT LocalDevicePtr
|
|
xf86FirstLocalDevice()
|
|
{
|
|
return xf86InputDevs;
|
|
}
|
|
|
|
/*
|
|
* Cx - raw data from touch screen
|
|
* Sxhigh - scaled highest dimension
|
|
* (remember, this is of rows - 1 because of 0 origin)
|
|
* Sxlow - scaled lowest dimension
|
|
* Rxhigh - highest raw value from touch screen calibration
|
|
* 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 */
|