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wine/dlls/winmm/joystick.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* joystick functions
*
* Copyright 1997 Andreas Mohr
* 2000 Wolfgang Schwotzer
* Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#include "windef.h"
#include "winbase.h"
#include "mmsystem.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "mmddk.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(winmm);
#define MAXJOYSTICK (JOYSTICKID2 + 1)
#define JOY_PERIOD_MIN (10) /* min Capture time period */
#define JOY_PERIOD_MAX (1000) /* max Capture time period */
typedef struct tagWINE_JOYSTICK {
JOYINFO ji;
HWND hCapture;
UINT wTimer;
DWORD threshold;
BOOL bChanged;
HDRVR hDriver;
} WINE_JOYSTICK;
static WINE_JOYSTICK JOY_Sticks[MAXJOYSTICK];
/**************************************************************************
* JOY_LoadDriver [internal]
*/
static BOOL JOY_LoadDriver(DWORD dwJoyID)
{
if (dwJoyID >= MAXJOYSTICK)
return FALSE;
if (JOY_Sticks[dwJoyID].hDriver)
return TRUE;
JOY_Sticks[dwJoyID].hDriver = OpenDriverA("winejoystick.drv", 0, dwJoyID);
return (JOY_Sticks[dwJoyID].hDriver != 0);
}
/**************************************************************************
* JOY_Timer [internal]
*/
static void CALLBACK JOY_Timer(HWND hWnd, UINT wMsg, UINT_PTR wTimer, DWORD dwTime)
{
int i;
WINE_JOYSTICK* joy;
JOYINFO ji;
LONG pos;
unsigned buttonChange;
for (i = 0; i < MAXJOYSTICK; i++) {
joy = &JOY_Sticks[i];
if (joy->hCapture != hWnd) continue;
joyGetPos(i, &ji);
pos = MAKELONG(ji.wXpos, ji.wYpos);
if (!joy->bChanged ||
abs(joy->ji.wXpos - ji.wXpos) > joy->threshold ||
abs(joy->ji.wYpos - ji.wYpos) > joy->threshold) {
SendMessageA(joy->hCapture, MM_JOY1MOVE + i, ji.wButtons, pos);
joy->ji.wXpos = ji.wXpos;
joy->ji.wYpos = ji.wYpos;
}
if (!joy->bChanged ||
abs(joy->ji.wZpos - ji.wZpos) > joy->threshold) {
SendMessageA(joy->hCapture, MM_JOY1ZMOVE + i, ji.wButtons, pos);
joy->ji.wZpos = ji.wZpos;
}
if ((buttonChange = joy->ji.wButtons ^ ji.wButtons) != 0) {
if (ji.wButtons & buttonChange)
SendMessageA(joy->hCapture, MM_JOY1BUTTONDOWN + i,
(buttonChange << 8) | (ji.wButtons & buttonChange), pos);
if (joy->ji.wButtons & buttonChange)
SendMessageA(joy->hCapture, MM_JOY1BUTTONUP + i,
(buttonChange << 8) | (joy->ji.wButtons & buttonChange), pos);
joy->ji.wButtons = ji.wButtons;
}
}
}
/**************************************************************************
* joyGetNumDevs [WINMM.@]
*/
UINT WINAPI joyGetNumDevs(void)
{
UINT ret = 0;
int i;
for (i = 0; i < MAXJOYSTICK; i++) {
if (JOY_LoadDriver(i)) {
ret += SendDriverMessage(JOY_Sticks[i].hDriver, JDD_GETNUMDEVS, 0L, 0L);
}
}
return ret;
}
/**************************************************************************
* joyGetDevCapsW [WINMM.@]
*/
MMRESULT WINAPI joyGetDevCapsW(UINT_PTR wID, LPJOYCAPSW lpCaps, UINT wSize)
{
if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
lpCaps->wPeriodMin = JOY_PERIOD_MIN; /* FIXME */
lpCaps->wPeriodMax = JOY_PERIOD_MAX; /* FIXME (same as MS Joystick Driver) */
return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETDEVCAPS, (DWORD)lpCaps, wSize);
}
/**************************************************************************
* joyGetDevCapsA [WINMM.@]
*/
MMRESULT WINAPI joyGetDevCapsA(UINT_PTR wID, LPJOYCAPSA lpCaps, UINT wSize)
{
JOYCAPSW jcw;
MMRESULT ret;
if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
ret = joyGetDevCapsW(wID, &jcw, sizeof(jcw));
if (ret == JOYERR_NOERROR)
{
lpCaps->wMid = jcw.wMid;
lpCaps->wPid = jcw.wPid;
WideCharToMultiByte( CP_ACP, 0, jcw.szPname, -1, lpCaps->szPname,
sizeof(lpCaps->szPname), NULL, NULL );
lpCaps->wXmin = jcw.wXmin;
lpCaps->wXmax = jcw.wXmax;
lpCaps->wYmin = jcw.wYmin;
lpCaps->wYmax = jcw.wYmax;
lpCaps->wZmin = jcw.wZmin;
lpCaps->wZmax = jcw.wZmax;
lpCaps->wNumButtons = jcw.wNumButtons;
lpCaps->wPeriodMin = jcw.wPeriodMin;
lpCaps->wPeriodMax = jcw.wPeriodMax;
if (wSize >= sizeof(JOYCAPSA)) { /* Win95 extensions ? */
lpCaps->wRmin = jcw.wRmin;
lpCaps->wRmax = jcw.wRmax;
lpCaps->wUmin = jcw.wUmin;
lpCaps->wUmax = jcw.wUmax;
lpCaps->wVmin = jcw.wVmin;
lpCaps->wVmax = jcw.wVmax;
lpCaps->wCaps = jcw.wCaps;
lpCaps->wMaxAxes = jcw.wMaxAxes;
lpCaps->wNumAxes = jcw.wNumAxes;
lpCaps->wMaxButtons = jcw.wMaxButtons;
WideCharToMultiByte( CP_ACP, 0, jcw.szRegKey, -1, lpCaps->szRegKey,
sizeof(lpCaps->szRegKey), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, jcw.szOEMVxD, -1, lpCaps->szOEMVxD,
sizeof(lpCaps->szOEMVxD), NULL, NULL );
}
}
return ret;
}
/**************************************************************************
* joyGetPosEx [WINMM.@]
*/
MMRESULT WINAPI joyGetPosEx(UINT wID, LPJOYINFOEX lpInfo)
{
TRACE("(%d, %p);\n", wID, lpInfo);
if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
lpInfo->dwXpos = 0;
lpInfo->dwYpos = 0;
lpInfo->dwZpos = 0;
lpInfo->dwRpos = 0;
lpInfo->dwUpos = 0;
lpInfo->dwVpos = 0;
lpInfo->dwButtons = 0;
lpInfo->dwButtonNumber = 0;
lpInfo->dwPOV = 0;
lpInfo->dwReserved1 = 0;
lpInfo->dwReserved2 = 0;
return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOSEX, (DWORD)lpInfo, 0L);
}
/**************************************************************************
* joyGetPos [WINMM.@]
*/
MMRESULT WINAPI joyGetPos(UINT wID, LPJOYINFO lpInfo)
{
TRACE("(%d, %p);\n", wID, lpInfo);
if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
lpInfo->wXpos = 0;
lpInfo->wYpos = 0;
lpInfo->wZpos = 0;
lpInfo->wButtons = 0;
return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOS, (DWORD)lpInfo, 0L);
}
/**************************************************************************
* joyGetThreshold [WINMM.@]
*/
MMRESULT WINAPI joyGetThreshold(UINT wID, LPUINT lpThreshold)
{
TRACE("(%04X, %p);\n", wID, lpThreshold);
if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
*lpThreshold = JOY_Sticks[wID].threshold;
return JOYERR_NOERROR;
}
/**************************************************************************
* joyReleaseCapture [WINMM.@]
*/
MMRESULT WINAPI joyReleaseCapture(UINT wID)
{
TRACE("(%04X);\n", wID);
if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
if (!JOY_Sticks[wID].hCapture) return JOYERR_NOCANDO;
KillTimer(JOY_Sticks[wID].hCapture, JOY_Sticks[wID].wTimer);
JOY_Sticks[wID].hCapture = 0;
JOY_Sticks[wID].wTimer = 0;
return JOYERR_NOERROR;
}
/**************************************************************************
* joySetCapture [WINMM.@]
*/
MMRESULT WINAPI joySetCapture(HWND hWnd, UINT wID, UINT wPeriod, BOOL bChanged)
{
TRACE("(%p, %04X, %d, %d);\n", hWnd, wID, wPeriod, bChanged);
if (wID >= MAXJOYSTICK || hWnd == 0) return JOYERR_PARMS;
if (wPeriod<JOY_PERIOD_MIN || wPeriod>JOY_PERIOD_MAX) return JOYERR_PARMS;
if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
if (JOY_Sticks[wID].hCapture || !IsWindow(hWnd))
return JOYERR_NOCANDO; /* FIXME: what should be returned ? */
if (joyGetPos(wID, &JOY_Sticks[wID].ji) != JOYERR_NOERROR)
return JOYERR_UNPLUGGED;
if ((JOY_Sticks[wID].wTimer = SetTimer(hWnd, 0, wPeriod, JOY_Timer)) == 0)
return JOYERR_NOCANDO;
JOY_Sticks[wID].hCapture = hWnd;
JOY_Sticks[wID].bChanged = bChanged;
return JOYERR_NOERROR;
}
/**************************************************************************
* joySetThreshold [WINMM.@]
*/
MMRESULT WINAPI joySetThreshold(UINT wID, UINT wThreshold)
{
TRACE("(%04X, %d);\n", wID, wThreshold);
if (wID >= MAXJOYSTICK) return MMSYSERR_INVALPARAM;
JOY_Sticks[wID].threshold = wThreshold;
return JOYERR_NOERROR;
}
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