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557 lines
16 KiB
C
557 lines
16 KiB
C
/*
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* joystick functions
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*
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* Copyright 1997 Andreas Mohr
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* Copyright 2000 Wolfgang Schwotzer
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* Copyright 2002 David Hagood
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* NOTES:
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*
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* - nearly all joystick functions can be regarded as obsolete,
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* as Linux (2.1.x) now supports extended joysticks with a completely
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* new joystick driver interface
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* New driver's documentation says:
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* "For backward compatibility the old interface is still included,
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* but will be dropped in the future."
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* Thus we should implement the new interface and at most keep the old
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* routines for backward compatibility.
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* - better support of enhanced joysticks (Linux 2.2 interface is available)
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* - support more joystick drivers (like the XInput extension)
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* - should load joystick DLL as any other driver (instead of hardcoding)
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* the driver's name, and load it as any low lever driver.
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*/
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#include "config.h"
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#include "wine/port.h"
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_LINUX_IOCTL_H
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#include <linux/ioctl.h>
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#endif
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#ifdef HAVE_LINUX_JOYSTICK_H
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#include <linux/joystick.h>
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#ifdef SW_MAX
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#undef SW_MAX
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#endif
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#define JOYDEV_NEW "/dev/input/js%d"
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#define JOYDEV_OLD "/dev/js%d"
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#endif
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#ifdef HAVE_SYS_ERRNO_H
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#include <sys/errno.h>
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#endif
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winnls.h"
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#include "mmddk.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(joystick);
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#ifdef HAVE_LINUX_JOYSTICK_H
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#define MAXJOYSTICK (JOYSTICKID2 + 30)
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typedef struct tagWINE_JSTCK {
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int joyIntf;
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int in_use;
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/* Some extra info we need to make this actually work under the
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Linux 2.2 event api.
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First of all, we cannot keep closing and reopening the device file -
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that blows away the state of the stick device, and we lose events. So, we
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need to open the low-level device once, and close it when we are done.
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Secondly, the event API only gives us what's changed. However, Windows apps
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want the whole state every time, so we have to cache the data.
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*/
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int dev; /* Linux level device file descriptor */
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int x;
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int y;
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int z;
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int r;
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int u;
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int v;
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int pov_x;
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int pov_y;
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int buttons;
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char axesMap[ABS_MAX + 1];
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} WINE_JSTCK;
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static WINE_JSTCK JSTCK_Data[MAXJOYSTICK];
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/**************************************************************************
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* JSTCK_drvGet [internal]
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*/
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static WINE_JSTCK *JSTCK_drvGet(DWORD_PTR dwDevID)
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{
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int p;
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if ((dwDevID - (DWORD_PTR)JSTCK_Data) % sizeof(JSTCK_Data[0]) != 0)
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return NULL;
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p = (dwDevID - (DWORD_PTR)JSTCK_Data) / sizeof(JSTCK_Data[0]);
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if (p < 0 || p >= MAXJOYSTICK || !((WINE_JSTCK*)dwDevID)->in_use)
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return NULL;
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return (WINE_JSTCK*)dwDevID;
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}
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/**************************************************************************
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* JSTCK_drvOpen [internal]
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*/
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static LRESULT JSTCK_drvOpen(LPSTR str, DWORD dwIntf)
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{
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if (dwIntf >= MAXJOYSTICK || JSTCK_Data[dwIntf].in_use)
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return 0;
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JSTCK_Data[dwIntf].joyIntf = dwIntf;
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JSTCK_Data[dwIntf].in_use = 1;
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return (LRESULT)&JSTCK_Data[dwIntf];
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}
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/**************************************************************************
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* JSTCK_drvClose [internal]
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*/
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static LRESULT JSTCK_drvClose(DWORD_PTR dwDevID)
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{
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WINE_JSTCK* jstck = JSTCK_drvGet(dwDevID);
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if (jstck == NULL)
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return 0;
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jstck->in_use = 0;
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if (jstck->dev > 0)
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{
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close(jstck->dev);
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jstck->dev = 0;
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}
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return 1;
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}
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struct js_status
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{
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int buttons;
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int x;
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int y;
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};
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/**************************************************************************
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* JSTCK_OpenDevice [internal]
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*/
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static int JSTCK_OpenDevice(WINE_JSTCK* jstick)
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{
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char buf[20];
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int flags;
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if (jstick->dev > 0)
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return jstick->dev;
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sprintf(buf, JOYDEV_NEW, jstick->joyIntf);
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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flags = O_RDONLY | O_NONBLOCK;
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#else
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flags = O_RDONLY;
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#endif
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if ((jstick->dev = open(buf, flags)) < 0) {
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sprintf(buf, JOYDEV_OLD, jstick->joyIntf);
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if ((jstick->dev = open(buf, flags)) < 0)
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return jstick->dev;
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}
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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ioctl(jstick->dev, JSIOCGAXMAP, jstick->axesMap);
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#endif
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return jstick->dev;
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}
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/**************************************************************************
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* JoyGetDevCaps [MMSYSTEM.102]
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*/
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static LRESULT JSTCK_GetDevCaps(DWORD_PTR dwDevID, LPJOYCAPSW lpCaps, DWORD dwSize)
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{
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WINE_JSTCK* jstck;
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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int dev;
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char nrOfAxes;
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char nrOfButtons;
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char identString[MAXPNAMELEN];
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int i;
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int driverVersion;
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#else
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static const WCHAR ini[] = {'W','i','n','e',' ','J','o','y','s','t','i','c','k',' ','D','r','i','v','e','r',0};
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#endif
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if ((jstck = JSTCK_drvGet(dwDevID)) == NULL)
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return MMSYSERR_NODRIVER;
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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if ((dev = JSTCK_OpenDevice(jstck)) < 0) return JOYERR_PARMS;
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ioctl(dev, JSIOCGAXES, &nrOfAxes);
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ioctl(dev, JSIOCGBUTTONS, &nrOfButtons);
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ioctl(dev, JSIOCGVERSION, &driverVersion);
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ioctl(dev, JSIOCGNAME(sizeof(identString)), identString);
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TRACE("Driver: 0x%06x, Name: %s, #Axes: %d, #Buttons: %d\n",
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driverVersion, identString, nrOfAxes, nrOfButtons);
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lpCaps->wMid = MM_MICROSOFT;
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lpCaps->wPid = MM_PC_JOYSTICK;
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MultiByteToWideChar(CP_UNIXCP, 0, identString, -1, lpCaps->szPname, MAXPNAMELEN);
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lpCaps->szPname[MAXPNAMELEN-1] = '\0';
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lpCaps->wXmin = 0;
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lpCaps->wXmax = 0xFFFF;
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lpCaps->wYmin = 0;
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lpCaps->wYmax = 0xFFFF;
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lpCaps->wZmin = 0;
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lpCaps->wZmax = (nrOfAxes >= 3) ? 0xFFFF : 0;
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#ifdef BODGE_THE_HAT
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/* HalfLife won't allow you to map an axis event to things like
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"next weapon" and "use". Linux reports the hat on my stick as
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axis U and V. So, IFF BODGE_THE_HAT is defined, lie through our
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teeth and say we have 32 buttons, and we will map the axises to
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the high buttons. Really, perhaps this should be a registry entry,
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or even a parameter to the Linux joystick driver (which would completely
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remove the need for this.)
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*/
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lpCaps->wNumButtons = 32;
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#else
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lpCaps->wNumButtons = nrOfButtons;
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#endif
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if (dwSize == sizeof(JOYCAPSW)) {
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/* complete 95 structure */
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lpCaps->wRmin = 0;
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lpCaps->wRmax = 0xFFFF;
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lpCaps->wUmin = 0;
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lpCaps->wUmax = 0xFFFF;
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lpCaps->wVmin = 0;
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lpCaps->wVmax = 0xFFFF;
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lpCaps->wMaxAxes = 6; /* same as MS Joystick Driver */
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lpCaps->wNumAxes = 0; /* nr of axes in use */
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lpCaps->wMaxButtons = 32; /* same as MS Joystick Driver */
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lpCaps->szRegKey[0] = 0;
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lpCaps->szOEMVxD[0] = 0;
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lpCaps->wCaps = 0;
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for (i = 0; i < nrOfAxes; i++) {
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switch (jstck->axesMap[i]) {
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case 0: /* X */
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case 1: /* Y */
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lpCaps->wNumAxes++;
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break;
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case 2: /* Z */
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case 6: /* Throttle */
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lpCaps->wNumAxes++;
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lpCaps->wCaps |= JOYCAPS_HASZ;
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break;
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case 5: /* Rz */
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case 7: /* Rudder */
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lpCaps->wNumAxes++;
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lpCaps->wCaps |= JOYCAPS_HASR;
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break;
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case 3: /* Rx */
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lpCaps->wNumAxes++;
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lpCaps->wCaps |= JOYCAPS_HASU;
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break;
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case 4: /* Ry */
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lpCaps->wNumAxes++;
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lpCaps->wCaps |= JOYCAPS_HASV;
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break;
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case 16: /* Hat 0 X */
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case 17: /* Hat 0 Y */
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lpCaps->wCaps |= JOYCAPS_HASPOV | JOYCAPS_POV4DIR;
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/* TODO: JOYCAPS_POVCTS handling */
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break;
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default:
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WARN("Unknown axis %hhu(%hhu). Skipped.\n", jstck->axesMap[i], i);
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}
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}
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}
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#else
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lpCaps->wMid = MM_MICROSOFT;
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lpCaps->wPid = MM_PC_JOYSTICK;
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strcpyW(lpCaps->szPname, ini); /* joystick product name */
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lpCaps->wXmin = 0;
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lpCaps->wXmax = 0xFFFF;
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lpCaps->wYmin = 0;
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lpCaps->wYmax = 0xFFFF;
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lpCaps->wZmin = 0;
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lpCaps->wZmax = 0;
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lpCaps->wNumButtons = 2;
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if (dwSize == sizeof(JOYCAPSW)) {
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/* complete 95 structure */
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lpCaps->wRmin = 0;
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lpCaps->wRmax = 0;
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lpCaps->wUmin = 0;
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lpCaps->wUmax = 0;
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lpCaps->wVmin = 0;
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lpCaps->wVmax = 0;
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lpCaps->wCaps = 0;
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lpCaps->wMaxAxes = 2;
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lpCaps->wNumAxes = 2;
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lpCaps->wMaxButtons = 4;
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lpCaps->szRegKey[0] = 0;
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lpCaps->szOEMVxD[0] = 0;
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}
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#endif
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return JOYERR_NOERROR;
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}
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/**************************************************************************
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* JSTCK_GetPos [internal]
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*/
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static LRESULT JSTCK_GetPosEx(DWORD_PTR dwDevID, LPJOYINFOEX lpInfo)
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{
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WINE_JSTCK* jstck;
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int dev;
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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struct js_event ev;
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#else
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struct js_status js;
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int dev_stat;
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#endif
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if ((jstck = JSTCK_drvGet(dwDevID)) == NULL)
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return MMSYSERR_NODRIVER;
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if ((dev = JSTCK_OpenDevice(jstck)) < 0) return JOYERR_PARMS;
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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while ((read(dev, &ev, sizeof(struct js_event))) > 0) {
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if (ev.type == (JS_EVENT_AXIS)) {
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switch (jstck->axesMap[ev.number]) {
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case 0: /* X */
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jstck->x = ev.value;
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break;
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case 1: /* Y */
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jstck->y = ev.value;
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break;
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case 2: /* Z */
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case 6: /* Throttle */
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jstck->z = ev.value;
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break;
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case 5: /* Rz */
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case 7: /* Rudder */
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jstck->r = ev.value;
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break;
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case 3: /* Rx */
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jstck->u = ev.value;
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break;
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case 4: /* Ry */
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jstck->v = ev.value;
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break;
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case 16: /* Hat 0 X */
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jstck->pov_x = ev.value;
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break;
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case 17: /* Hat 0 Y */
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jstck->pov_y = ev.value;
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break;
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default:
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FIXME("Unknown joystick event '%d'\n", ev.number);
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}
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} else if (ev.type == (JS_EVENT_BUTTON)) {
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if (ev.value) {
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jstck->buttons |= (1 << ev.number);
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/* FIXME: what to do for this field when
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* multiple buttons are depressed ?
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*/
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if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
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lpInfo->dwButtonNumber = ev.number + 1;
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}
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else
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jstck->buttons &= ~(1 << ev.number);
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}
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}
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/* EAGAIN is returned when the queue is empty */
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if (errno != EAGAIN) {
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/* FIXME: error should not be ignored */
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ERR("Error while reading joystick state (%s)\n", strerror(errno));
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}
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/* Now, copy the cached values into Window's structure... */
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if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
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lpInfo->dwButtons = jstck->buttons;
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if (lpInfo->dwFlags & JOY_RETURNX)
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lpInfo->dwXpos = jstck->x + 32767;
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if (lpInfo->dwFlags & JOY_RETURNY)
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lpInfo->dwYpos = jstck->y + 32767;
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if (lpInfo->dwFlags & JOY_RETURNZ)
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lpInfo->dwZpos = jstck->z + 32767;
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if (lpInfo->dwFlags & JOY_RETURNR)
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lpInfo->dwRpos = jstck->r + 32767;
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# ifdef BODGE_THE_HAT
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else if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
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{
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if (jstck->r > 0)
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lpInfo->dwButtons |= 1<<7;
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else if (jstck->r < 0)
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lpInfo->dwButtons |= 1<<8;
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}
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# endif
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if (lpInfo->dwFlags & JOY_RETURNU)
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lpInfo->dwUpos = jstck->u + 32767;
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# ifdef BODGE_THE_HAT
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else if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
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{
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if (jstck->u > 0)
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lpInfo->dwButtons |= 1<<9;
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else if (jstck->u < 0)
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lpInfo->dwButtons |= 1<<10;
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}
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# endif
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if (lpInfo->dwFlags & JOY_RETURNV)
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lpInfo->dwVpos = jstck->v + 32767;
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if (lpInfo->dwFlags & JOY_RETURNPOV) {
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if (jstck->pov_y > 0) {
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if (jstck->pov_x < 0)
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lpInfo->dwPOV = 22500; /* SW */
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else if (jstck->pov_x > 0)
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lpInfo->dwPOV = 13500; /* SE */
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else
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lpInfo->dwPOV = 18000; /* S, JOY_POVBACKWARD */
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} else if (jstck->pov_y < 0) {
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if (jstck->pov_x < 0)
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lpInfo->dwPOV = 31500; /* NW */
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else if (jstck->pov_x > 0)
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lpInfo->dwPOV = 4500; /* NE */
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else
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lpInfo->dwPOV = 0; /* N, JOY_POVFORWARD */
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} else if (jstck->pov_x < 0)
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lpInfo->dwPOV = 27000; /* W, JOY_POVLEFT */
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else if (jstck->pov_x > 0)
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lpInfo->dwPOV = 9000; /* E, JOY_POVRIGHT */
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else
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lpInfo->dwPOV = JOY_POVCENTERED; /* Center */
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}
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#else
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dev_stat = read(dev, &js, sizeof(js));
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if (dev_stat != sizeof(js)) {
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return JOYERR_UNPLUGGED; /* FIXME: perhaps wrong, but what should I return else ? */
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}
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js.x = js.x<<8;
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js.y = js.y<<8;
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if (lpInfo->dwFlags & JOY_RETURNX)
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lpInfo->dwXpos = js.x; /* FIXME: perhaps multiply it somehow ? */
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if (lpInfo->dwFlags & JOY_RETURNY)
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lpInfo->dwYpos = js.y;
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if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
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lpInfo->dwButtons = js.buttons;
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#endif
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TRACE("x: %d, y: %d, z: %d, r: %d, u: %d, v: %d, buttons: 0x%04x, flags: 0x%04x (fd %d)\n",
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lpInfo->dwXpos, lpInfo->dwYpos, lpInfo->dwZpos,
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lpInfo->dwRpos, lpInfo->dwUpos, lpInfo->dwVpos,
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lpInfo->dwButtons, lpInfo->dwFlags, dev
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);
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return JOYERR_NOERROR;
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}
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/**************************************************************************
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* JSTCK_GetPos [internal]
|
|
*/
|
|
static LRESULT JSTCK_GetPos(DWORD_PTR dwDevID, LPJOYINFO lpInfo)
|
|
{
|
|
JOYINFOEX ji;
|
|
LONG ret;
|
|
|
|
memset(&ji, 0, sizeof(ji));
|
|
|
|
ji.dwSize = sizeof(ji);
|
|
ji.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNZ | JOY_RETURNBUTTONS;
|
|
ret = JSTCK_GetPosEx(dwDevID, &ji);
|
|
if (ret == JOYERR_NOERROR) {
|
|
lpInfo->wXpos = ji.dwXpos;
|
|
lpInfo->wYpos = ji.dwYpos;
|
|
lpInfo->wZpos = ji.dwZpos;
|
|
lpInfo->wButtons = ji.dwButtons;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* DriverProc (JOYSTICK.@)
|
|
*/
|
|
LRESULT CALLBACK JSTCK_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
|
|
LPARAM dwParam1, LPARAM dwParam2)
|
|
{
|
|
/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
|
|
/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
|
|
|
|
switch(wMsg) {
|
|
case DRV_LOAD: return 1;
|
|
case DRV_FREE: return 1;
|
|
case DRV_OPEN: return JSTCK_drvOpen((LPSTR)dwParam1, dwParam2);
|
|
case DRV_CLOSE: return JSTCK_drvClose(dwDevID);
|
|
case DRV_ENABLE: return 1;
|
|
case DRV_DISABLE: return 1;
|
|
case DRV_QUERYCONFIGURE: return 1;
|
|
case DRV_CONFIGURE: MessageBoxA(0, "JoyStick MultiMedia Driver !", "JoyStick Driver", MB_OK); return 1;
|
|
case DRV_INSTALL: return DRVCNF_RESTART;
|
|
case DRV_REMOVE: return DRVCNF_RESTART;
|
|
|
|
case JDD_GETNUMDEVS: return 1;
|
|
case JDD_GETDEVCAPS: return JSTCK_GetDevCaps(dwDevID, (LPJOYCAPSW)dwParam1, dwParam2);
|
|
case JDD_GETPOS: return JSTCK_GetPos(dwDevID, (LPJOYINFO)dwParam1);
|
|
case JDD_SETCALIBRATION:
|
|
case JDD_CONFIGCHANGED: return JOYERR_NOCANDO;
|
|
case JDD_GETPOSEX: return JSTCK_GetPosEx(dwDevID, (LPJOYINFOEX)dwParam1);
|
|
default:
|
|
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
|
|
}
|
|
}
|
|
|
|
#else
|
|
|
|
/**************************************************************************
|
|
* DriverProc (JOYSTICK.@)
|
|
*/
|
|
LRESULT CALLBACK JSTCK_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
|
|
LPARAM dwParam1, LPARAM dwParam2)
|
|
{
|
|
/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
|
|
/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
|
|
|
|
switch(wMsg) {
|
|
case DRV_LOAD:
|
|
case DRV_FREE:
|
|
case DRV_OPEN:
|
|
case DRV_CLOSE:
|
|
case DRV_ENABLE:
|
|
case DRV_DISABLE:
|
|
case DRV_QUERYCONFIGURE: return 0;
|
|
case DRV_CONFIGURE: MessageBoxA(0, "JoyStick MultiMedia Driver !", "JoyStick Driver", MB_OK); return 1;
|
|
case DRV_INSTALL: return DRVCNF_RESTART;
|
|
case DRV_REMOVE: return DRVCNF_RESTART;
|
|
default:
|
|
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
|
|
}
|
|
}
|
|
|
|
#endif
|