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97150ce9dd
Reduce CPU usage by only attempting once to load the default joystick driver.
Fix for CORE-15336
Imported wine commit ebae298
ebae298aa4
https://www.winehq.org/pipermail/wine-devel/2018-November/134767.html
323 lines
9.5 KiB
C
323 lines
9.5 KiB
C
/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/*
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* joystick functions
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*
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* Copyright 1997 Andreas Mohr
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* 2000 Wolfgang Schwotzer
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* Eric Pouech
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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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#include "winemm.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 <stdlib.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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WINE_DEFAULT_DEBUG_CHANNEL(winmm);
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#define MAXJOYSTICK (JOYSTICKID2 + 30)
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#define JOY_PERIOD_MIN (10) /* min Capture time period */
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#define JOY_PERIOD_MAX (1000) /* max Capture time period */
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typedef struct tagWINE_JOYSTICK {
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JOYINFO ji;
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HWND hCapture;
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UINT wTimer;
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DWORD threshold;
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BOOL bChanged;
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HDRVR hDriver;
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} WINE_JOYSTICK;
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static WINE_JOYSTICK JOY_Sticks[MAXJOYSTICK];
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/**************************************************************************
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* JOY_LoadDriver [internal]
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*/
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static BOOL JOY_LoadDriver(DWORD dwJoyID)
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{
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static BOOL winejoystick_missing = FALSE;
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if (dwJoyID >= MAXJOYSTICK || winejoystick_missing)
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return FALSE;
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if (JOY_Sticks[dwJoyID].hDriver)
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return TRUE;
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JOY_Sticks[dwJoyID].hDriver = OpenDriverA("winejoystick.drv", 0, dwJoyID);
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if (!JOY_Sticks[dwJoyID].hDriver)
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{
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/* The default driver is missing, don't attempt to load it again */
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winejoystick_missing = TRUE;
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}
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return (JOY_Sticks[dwJoyID].hDriver != 0);
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}
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/**************************************************************************
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* JOY_Timer [internal]
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*/
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static void CALLBACK JOY_Timer(HWND hWnd, UINT wMsg, UINT_PTR wTimer, DWORD dwTime)
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{
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int i;
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WINE_JOYSTICK* joy;
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JOYINFO ji;
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LONG pos;
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unsigned buttonChange;
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for (i = 0; i < MAXJOYSTICK; i++) {
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joy = &JOY_Sticks[i];
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if (joy->hCapture != hWnd) continue;
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joyGetPos(i, &ji);
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pos = MAKELONG(ji.wXpos, ji.wYpos);
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if (!joy->bChanged ||
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abs(joy->ji.wXpos - ji.wXpos) > joy->threshold ||
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abs(joy->ji.wYpos - ji.wYpos) > joy->threshold) {
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SendMessageA(joy->hCapture, MM_JOY1MOVE + i, ji.wButtons, pos);
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joy->ji.wXpos = ji.wXpos;
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joy->ji.wYpos = ji.wYpos;
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}
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if (!joy->bChanged ||
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abs(joy->ji.wZpos - ji.wZpos) > joy->threshold) {
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SendMessageA(joy->hCapture, MM_JOY1ZMOVE + i, ji.wButtons, pos);
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joy->ji.wZpos = ji.wZpos;
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}
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if ((buttonChange = joy->ji.wButtons ^ ji.wButtons) != 0) {
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if (ji.wButtons & buttonChange)
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SendMessageA(joy->hCapture, MM_JOY1BUTTONDOWN + i,
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(buttonChange << 8) | (ji.wButtons & buttonChange), pos);
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if (joy->ji.wButtons & buttonChange)
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SendMessageA(joy->hCapture, MM_JOY1BUTTONUP + i,
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(buttonChange << 8) | (joy->ji.wButtons & buttonChange), pos);
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joy->ji.wButtons = ji.wButtons;
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}
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}
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}
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/**************************************************************************
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* joyConfigChanged [WINMM.@]
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*/
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MMRESULT WINAPI joyConfigChanged(DWORD flags)
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{
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FIXME("(%x) - stub\n", flags);
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if (flags)
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return JOYERR_PARMS;
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return JOYERR_NOERROR;
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}
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/**************************************************************************
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* joyGetNumDevs [WINMM.@]
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*/
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UINT WINAPI DECLSPEC_HOTPATCH joyGetNumDevs(void)
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{
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UINT ret = 0;
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int i;
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for (i = 0; i < MAXJOYSTICK; i++) {
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if (JOY_LoadDriver(i)) {
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ret += SendDriverMessage(JOY_Sticks[i].hDriver, JDD_GETNUMDEVS, 0, 0);
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}
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}
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return ret;
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}
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/**************************************************************************
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* joyGetDevCapsW [WINMM.@]
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*/
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MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsW(UINT_PTR wID, LPJOYCAPSW lpCaps, UINT wSize)
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{
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if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
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if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
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lpCaps->wPeriodMin = JOY_PERIOD_MIN; /* FIXME */
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lpCaps->wPeriodMax = JOY_PERIOD_MAX; /* FIXME (same as MS Joystick Driver) */
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return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETDEVCAPS, (LPARAM)lpCaps, wSize);
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}
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/**************************************************************************
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* joyGetDevCapsA [WINMM.@]
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*/
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MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsA(UINT_PTR wID, LPJOYCAPSA lpCaps, UINT wSize)
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{
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JOYCAPSW jcw;
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MMRESULT ret;
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if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
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ret = joyGetDevCapsW(wID, &jcw, sizeof(jcw));
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if (ret == JOYERR_NOERROR)
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{
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lpCaps->wMid = jcw.wMid;
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lpCaps->wPid = jcw.wPid;
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WideCharToMultiByte( CP_ACP, 0, jcw.szPname, -1, lpCaps->szPname,
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sizeof(lpCaps->szPname), NULL, NULL );
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lpCaps->wXmin = jcw.wXmin;
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lpCaps->wXmax = jcw.wXmax;
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lpCaps->wYmin = jcw.wYmin;
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lpCaps->wYmax = jcw.wYmax;
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lpCaps->wZmin = jcw.wZmin;
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lpCaps->wZmax = jcw.wZmax;
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lpCaps->wNumButtons = jcw.wNumButtons;
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lpCaps->wPeriodMin = jcw.wPeriodMin;
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lpCaps->wPeriodMax = jcw.wPeriodMax;
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if (wSize >= sizeof(JOYCAPSA)) { /* Win95 extensions ? */
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lpCaps->wRmin = jcw.wRmin;
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lpCaps->wRmax = jcw.wRmax;
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lpCaps->wUmin = jcw.wUmin;
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lpCaps->wUmax = jcw.wUmax;
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lpCaps->wVmin = jcw.wVmin;
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lpCaps->wVmax = jcw.wVmax;
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lpCaps->wCaps = jcw.wCaps;
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lpCaps->wMaxAxes = jcw.wMaxAxes;
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lpCaps->wNumAxes = jcw.wNumAxes;
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lpCaps->wMaxButtons = jcw.wMaxButtons;
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WideCharToMultiByte( CP_ACP, 0, jcw.szRegKey, -1, lpCaps->szRegKey,
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sizeof(lpCaps->szRegKey), NULL, NULL );
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WideCharToMultiByte( CP_ACP, 0, jcw.szOEMVxD, -1, lpCaps->szOEMVxD,
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sizeof(lpCaps->szOEMVxD), NULL, NULL );
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}
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}
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return ret;
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}
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/**************************************************************************
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* joyGetPosEx [WINMM.@]
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*/
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MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetPosEx(UINT wID, LPJOYINFOEX lpInfo)
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{
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TRACE("(%d, %p);\n", wID, lpInfo);
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if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
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if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
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lpInfo->dwXpos = 0;
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lpInfo->dwYpos = 0;
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lpInfo->dwZpos = 0;
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lpInfo->dwRpos = 0;
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lpInfo->dwUpos = 0;
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lpInfo->dwVpos = 0;
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lpInfo->dwButtons = 0;
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lpInfo->dwButtonNumber = 0;
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lpInfo->dwPOV = 0;
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lpInfo->dwReserved1 = 0;
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lpInfo->dwReserved2 = 0;
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return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOSEX, (LPARAM)lpInfo, 0);
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}
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/**************************************************************************
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* joyGetPos [WINMM.@]
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*/
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MMRESULT WINAPI joyGetPos(UINT wID, LPJOYINFO lpInfo)
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{
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TRACE("(%d, %p);\n", wID, lpInfo);
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if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
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if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
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lpInfo->wXpos = 0;
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lpInfo->wYpos = 0;
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lpInfo->wZpos = 0;
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lpInfo->wButtons = 0;
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return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOS, (LPARAM)lpInfo, 0);
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}
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/**************************************************************************
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* joyGetThreshold [WINMM.@]
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*/
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MMRESULT WINAPI joyGetThreshold(UINT wID, LPUINT lpThreshold)
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{
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TRACE("(%04X, %p);\n", wID, lpThreshold);
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if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
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*lpThreshold = JOY_Sticks[wID].threshold;
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return JOYERR_NOERROR;
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}
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/**************************************************************************
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* joyReleaseCapture [WINMM.@]
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*/
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MMRESULT WINAPI joyReleaseCapture(UINT wID)
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{
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TRACE("(%04X);\n", wID);
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if (wID >= MAXJOYSTICK) return JOYERR_PARMS;
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if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
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if (!JOY_Sticks[wID].hCapture) return JOYERR_NOCANDO;
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KillTimer(JOY_Sticks[wID].hCapture, JOY_Sticks[wID].wTimer);
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JOY_Sticks[wID].hCapture = 0;
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JOY_Sticks[wID].wTimer = 0;
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return JOYERR_NOERROR;
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}
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/**************************************************************************
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* joySetCapture [WINMM.@]
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*/
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MMRESULT WINAPI joySetCapture(HWND hWnd, UINT wID, UINT wPeriod, BOOL bChanged)
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{
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TRACE("(%p, %04X, %d, %d);\n", hWnd, wID, wPeriod, bChanged);
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if (wID >= MAXJOYSTICK || hWnd == 0) return JOYERR_PARMS;
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if (wPeriod<JOY_PERIOD_MIN || wPeriod>JOY_PERIOD_MAX) return JOYERR_PARMS;
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if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
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if (JOY_Sticks[wID].hCapture || !IsWindow(hWnd))
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return JOYERR_NOCANDO; /* FIXME: what should be returned ? */
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if (joyGetPos(wID, &JOY_Sticks[wID].ji) != JOYERR_NOERROR)
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return JOYERR_UNPLUGGED;
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if ((JOY_Sticks[wID].wTimer = SetTimer(hWnd, 0, wPeriod, JOY_Timer)) == 0)
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return JOYERR_NOCANDO;
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JOY_Sticks[wID].hCapture = hWnd;
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JOY_Sticks[wID].bChanged = bChanged;
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return JOYERR_NOERROR;
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}
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/**************************************************************************
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* joySetThreshold [WINMM.@]
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*/
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MMRESULT WINAPI joySetThreshold(UINT wID, UINT wThreshold)
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{
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TRACE("(%04X, %d);\n", wID, wThreshold);
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if (wID >= MAXJOYSTICK) return MMSYSERR_INVALPARAM;
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JOY_Sticks[wID].threshold = wThreshold;
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return JOYERR_NOERROR;
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}
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