xenocara/xserver/hw/dmx/input/usb-mouse.c

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/*
* Copyright 2002 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* Authors:
* Rickard E. (Rik) Faith <faith@redhat.com>
*
*/
/** \file
*
* This code implements a low-level device driver for a USB mouse. */
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#include "usb-private.h"
/*****************************************************************************/
/* Define some macros to make it easier to move this file to another
* part of the Xserver tree. All calls to the dmx* layer are #defined
* here for the .c file. The .h file will also have to be edited. */
#include "usb-mouse.h"
#define GETPRIV myPrivate *priv \
= ((DMXLocalInputInfoPtr)(pDev->devicePrivate))->private
#define LOG0(f) dmxLog(dmxDebug,f)
#define LOG1(f,a) dmxLog(dmxDebug,f,a)
#define LOG2(f,a,b) dmxLog(dmxDebug,f,a,b)
#define LOG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)
#define FATAL0(f) dmxLog(dmxFatal,f)
#define FATAL1(f,a) dmxLog(dmxFatal,f,a)
#define FATAL2(f,a,b) dmxLog(dmxFatal,f,a,b)
#define MOTIONPROC dmxMotionProcPtr
#define ENQUEUEPROC dmxEnqueueProcPtr
#define CHECKPROC dmxCheckSpecialProcPtr
#define BLOCK DMXBlockType
/* End of interface definitions. */
/*****************************************************************************/
/** Read the USB device using #usbRead. */
void
mouUSBRead(DevicePtr pDev,
MOTIONPROC motion,
ENQUEUEPROC enqueue, CHECKPROC checkspecial, BLOCK block)
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{
usbRead(pDev, motion, enqueue, BTN_MISC, block);
}
/** Initialize \a pDev using #usbInit. */
void
mouUSBInit(DevicePtr pDev)
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{
usbInit(pDev, usbMouse);
}
/** Turn \a pDev on (i.e., take input from \a pDev). */
int
mouUSBOn(DevicePtr pDev)
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{
GETPRIV;
if (priv->fd < 0)
mouUSBInit(pDev);
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return priv->fd;
}
static void
mouUSBGetMap(DevicePtr pDev, unsigned char *map, int *nButtons)
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{
int i;
if (nButtons)
*nButtons = 5;
if (map)
for (i = 0; i <= *nButtons; i++)
map[i] = i;
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}
/** Fill the \a info structure with information needed to initialize \a
* pDev. */
void
mouUSBGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)
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{
static KeySym keyboard_mapping = NoSymbol;
info->buttonClass = 1;
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mouUSBGetMap(pDev, info->map, &info->numButtons);
info->valuatorClass = 1;
info->numRelAxes = 2;
info->minval[0] = 0;
info->maxval[0] = 0;
info->res[0] = 1;
info->minres[0] = 0;
info->maxres[0] = 1;
info->ptrFeedbackClass = 1;
/* Some USB mice devices return key
* events from their pair'd
* keyboard... */
info->keyClass = 1;
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info->keySyms.minKeyCode = 8;
info->keySyms.maxKeyCode = 8;
info->keySyms.mapWidth = 1;
info->keySyms.map = &keyboard_mapping;
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}