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491 lines
15 KiB
491 lines
15 KiB
/*****************************************************************************
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*
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* DIJoyTyp.c
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*
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* Copyright (c) 1996 Microsoft Corporation. All Rights Reserved.
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*
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* Abstract:
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*
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* Functions that pull data out of the joystick type key
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* (wherever it is).
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*
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* Contents:
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*
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* ?
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*
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*****************************************************************************/
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#include "dinputpr.h"
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/*****************************************************************************
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*
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* The sqiffle for this file.
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*
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*****************************************************************************/
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#define sqfl sqflJoyType
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func HRESULT | CType_OpenIdSubkey |
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*
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* Given an object ID, attempt to open the subkey that
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* corresponds to it for reading.
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*
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* @parm HKEY | hkType |
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*
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* The joystick type key, possibly <c NULL> if we don't
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* have a type key. (For example, if it was never created.)
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*
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* @parm DWORD | dwId |
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*
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* Object id.
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*
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* @parm REGSAM | regsam |
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*
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* Registry security access mask.
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*
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* @parm PHKEY | phk |
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*
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* Receives the object key on success.
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*
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* @returns
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*
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* Returns a COM error code.
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*
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*****************************************************************************/
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STDMETHODIMP
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CType_OpenIdSubkey(HKEY hkType, DWORD dwId, REGSAM sam, PHKEY phk)
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{
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HRESULT hres;
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EnterProc(CType_OpenIdSubkey, (_ "xx", hkType, dwId));
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*phk = 0;
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if(hkType)
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{
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/*
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* Worst case is "Actuators\65535" which has length 15.
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*/
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TCHAR tsz[32];
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LPCTSTR ptszType;
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if(dwId & DIDFT_AXIS)
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{
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ptszType = TEXT("Axes");
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} else if(dwId & DIDFT_BUTTON)
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{
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ptszType = TEXT("Buttons");
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} else if(dwId & DIDFT_POV)
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{
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ptszType = TEXT("POVs");
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} else if(dwId & DIDFT_NODATA)
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{
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ptszType = TEXT("Actuators");
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} else
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{
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hres = E_NOTIMPL;
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goto done;
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}
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// ISSUE-2001/03/29-timgill Need to scale back for pos vs state
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// MarcAnd -- I believe this means: if you're trying to
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// look for the X axis, we should use the position
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// instance, not the velocity one.
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wsprintf(tsz, TEXT("%s\\%u"), ptszType, DIDFT_GETINSTANCE(dwId));
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hres = hresMumbleKeyEx(hkType, tsz, sam, REG_OPTION_NON_VOLATILE, phk);
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} else
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{
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hres = DIERR_NOTFOUND;
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}
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done:;
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if(hres == DIERR_NOTFOUND)
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{
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ExitBenignOleProcPpv(phk);
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} else
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{
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ExitOleProcPpv(phk);
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}
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return hres;
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}
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func void | CType_RegGetObjectInfo |
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*
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* Given an object ID, look into the registry subkey for the
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* object and extract anything we can find.
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*
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* If we find nothing, then do nothing.
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*
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* @parm HKEY | hkType |
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*
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* The joystick type key, possibly <c NULL> if we don't
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* have a type key. (For example, if it was never created.)
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*
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* @parm DWORD | dwId |
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*
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* Object id.
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*
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* @parm LPDIDEVICEOBJECTINSTANCEW | pdidoiW |
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*
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* Structure to receive information. The
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* <e DIDEVICEOBJECTINSTANCE.guidType>,
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* <e DIDEVICEOBJECTINSTANCE.dwOfs>,
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* and
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* <e DIDEVICEOBJECTINSTANCE.dwType>
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* <e DIDEVICEOBJECTINSTANCE.dwFlags>
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* fields have already been filled in so we should only not override
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* these with default data.
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*
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*****************************************************************************/
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void EXTERNAL
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CType_RegGetObjectInfo(HKEY hkType, DWORD dwId,
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LPDIDEVICEOBJECTINSTANCEW pdidoiW)
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{
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HRESULT hres;
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HKEY hk;
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EnterProc(CType_RegKeyObjectInfo, (_ "xx", hkType, dwId));
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/*
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* Extract information about this item from the registry.
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*/
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hres = CType_OpenIdSubkey(hkType, dwId, KEY_QUERY_VALUE, &hk);
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if(SUCCEEDED(hres))
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{
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DIOBJECTATTRIBUTES attr;
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/*
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* Read the regular and HID attributes.
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*/
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hres = JoyReg_GetValue(hk, TEXT("Attributes"),
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REG_BINARY, &attr,
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cbX(attr));
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if(SUCCEEDED(hres))
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{
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/*
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* Copy the bit fields.
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* PREFIX warns (333540) that attr.dwFlags is not initialized
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* however JoyReg_GetValue zeroes any part of the buffer after
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* the bytes read from the registry if the buffer size is larger
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* than what was read.
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*/
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pdidoiW->dwFlags |= (attr.dwFlags & ~DIDOI_ASPECTMASK);
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/*
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* Don't add FF if the dwId did not have it.
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* (See comment on FF attrs below for why.)
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*/
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if( ( dwId & ( DIDFT_FFEFFECTTRIGGER | DIDFT_FFACTUATOR ) ) == 0 )
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{
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pdidoiW->dwFlags &= ~( DIDOI_FFACTUATOR | DIDOI_FFEFFECTTRIGGER );
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}
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/*
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* Copy the aspect, but don't change
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* the aspect from "known" to "unknown". If the
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* registry doesn't have an aspect, then use the
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* aspect we got from the caller.
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*/
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if((attr.dwFlags & DIDOI_ASPECTMASK) != DIDOI_ASPECTUNKNOWN)
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{
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pdidoiW->dwFlags = (pdidoiW->dwFlags & ~DIDOI_ASPECTMASK) |
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(attr.dwFlags & DIDOI_ASPECTMASK);
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}
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}
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/*
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* If the caller wants force feedback info,
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* then get it.
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*/
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if(pdidoiW->dwSize >= cbX(DIDEVICEOBJECTINSTANCE_DX5W))
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{
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/*
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* Only copy the usages if they are valid.
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* JoyReg_GetValue zeros any buffer beyond what is read.
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*/
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if(SUCCEEDED(hres) && attr.wUsagePage && attr.wUsage )
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{
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pdidoiW->wUsagePage = attr.wUsagePage;
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pdidoiW->wUsage = attr.wUsage;
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}
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/*
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* Only try to read the FF attributes if the object supports FF
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* This may save time but is primarily to allow us to ignore FF
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* attributes in the registry for objects (such as FF driving
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* controller pedals) which IHVs mark incorrectly.
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*/
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if( dwId & ( DIDFT_FFEFFECTTRIGGER | DIDFT_FFACTUATOR ) )
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{
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/*
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* Assert that we can read the DIFFOBJECTATTRIBUTES
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* directly into the DIDEVICEOBJECTINSTANCE_DX5.
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*/
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CAssertF(FIELD_OFFSET(DIFFOBJECTATTRIBUTES,
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dwFFMaxForce) == 0);
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CAssertF(FIELD_OFFSET(DIFFOBJECTATTRIBUTES,
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dwFFForceResolution) == 4);
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CAssertF(FIELD_OFFSET(DIDEVICEOBJECTINSTANCE_DX5,
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dwFFMaxForce) + 4 ==
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FIELD_OFFSET(DIDEVICEOBJECTINSTANCE_DX5,
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dwFFForceResolution));
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CAssertF(cbX(DIFFOBJECTATTRIBUTES) == 8);
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/*
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* If this doesn't work, gee that's too bad.
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* JoyReg_GetValue will zero-fill the error parts.
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*/
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JoyReg_GetValue(hk, TEXT("FFAttributes"),
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REG_BINARY, &pdidoiW->dwFFMaxForce,
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cbX(DIFFOBJECTATTRIBUTES));
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}
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else
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{
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AssertF( ( pdidoiW->dwFFMaxForce | pdidoiW->dwFFForceResolution ) == 0 );
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}
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}
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/*
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* Read the optional custom name.
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*
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* Note that JoyReg_GetValue(REG_SZ) uses
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* RegQueryStringValueW, which sets the
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* string to null on error so we don't have to.
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*/
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hres = JoyReg_GetValue(hk, 0, REG_SZ,
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pdidoiW->tszName, cbX(pdidoiW->tszName));
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if(SUCCEEDED(hres))
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{
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} else
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{
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AssertF(pdidoiW->tszName[0] == L'\0');
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}
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RegCloseKey(hk);
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} else
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{
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AssertF(pdidoiW->tszName[0] == L'\0');
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}
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}
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func void | CType_RegGetTypeInfo |
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*
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* Given an object ID, look into the registry subkey for the
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* object and extract attribute bits that should be OR'd
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* into the object ID.
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*
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* This needs to be done during device initialization to
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* establish the attributes in the data format so that
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*
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* 1. <mf IDirectInputDevice::EnumObjects> filters properly, and
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*
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* 2. >mf IDirectInputEffect::SetParameters> can validate properly.
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*
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* @parm HKEY | hkType |
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*
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* The joystick type key, possibly <c NULL> if we don't
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* have a type key. (For example, if it was never created.)
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*
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* @parm LPDIOBJECTDATAFORMAT | podf |
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*
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* Structure to receive more information. The
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* <e DIOBJECTDATAFORMAT.dwType> field identifies the object.
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*
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* On return the
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* <e DIOBJECTDATAFORMAT.dwType>
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* and
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* <e DIOBJECTDATAFORMAT.dwFlags>
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* fields are updated.
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*
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*****************************************************************************/
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void EXTERNAL
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CType_RegGetTypeInfo(HKEY hkType, LPDIOBJECTDATAFORMAT podf, BOOL fPidDevice)
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{
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HRESULT hres;
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HKEY hk;
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EnterProc(CType_RegKeyObjectInfo, (_ "xx", hkType, podf->dwType));
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hres = CType_OpenIdSubkey(hkType, podf->dwType, KEY_QUERY_VALUE, &hk);
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if(SUCCEEDED(hres))
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{
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DWORD dwFlags;
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CAssertF(FIELD_OFFSET(DIOBJECTATTRIBUTES, dwFlags) == 0);
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hres = JoyReg_GetValue(hk, TEXT("Attributes"),
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REG_BINARY, &dwFlags, cbX(dwFlags));
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if(SUCCEEDED(hres))
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{
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/*
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* Propagate the attributes into the type code.
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*/
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CAssertF(DIDOI_FFACTUATOR == DIDFT_GETATTR(DIDFT_FFACTUATOR));
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CAssertF(DIDOI_FFEFFECTTRIGGER
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== DIDFT_GETATTR(DIDFT_FFEFFECTTRIGGER));
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/*
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* PREFIX warns (333539) that dwFlags is not initialized however
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* JoyReg_GetValue zeroes any part of the buffer after the bytes
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* read from the registry if the buffer size is larger than what
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* was read.
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*/
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podf->dwType |= DIDFT_MAKEATTR(dwFlags);
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podf->dwFlags |= (dwFlags & ~DIDOI_ASPECTMASK);
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/*
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* Copy the aspect, but don't change
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* the aspect from "known" to "unknown". If the
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* registry doesn't have an aspect, then use the
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* aspect we got from the caller.
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*/
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if((dwFlags & DIDOI_ASPECTMASK) != DIDOI_ASPECTUNKNOWN)
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{
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podf->dwFlags = (podf->dwFlags & ~DIDOI_ASPECTMASK) |
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(dwFlags & DIDOI_ASPECTMASK);
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}
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}
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RegCloseKey(hk);
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}else
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{
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#ifndef WINNT
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// Post Dx7Gold Patch
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// This is for Win9x only.
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// On Win9x, a device that is being accessed through the vjoyd path
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// will not get forces, as the attributes necessary for FF have not
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// been appropriately marked.
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// THe following code will mark the
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DWORD dwFlags = DIDFT_GETATTR( podf->dwType & ~DIDFT_ATTRMASK )
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| ( podf->dwFlags & ~DIDOI_ASPECTMASK);
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if( dwFlags != 0x0
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&& fPidDevice )
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{
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hres = CType_OpenIdSubkey(hkType, podf->dwType, DI_KEY_ALL_ACCESS, &hk);
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if(SUCCEEDED(hres) )
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{
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hres = JoyReg_SetValue(hk, TEXT("Attributes"),
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REG_BINARY, &dwFlags, cbX(dwFlags));
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RegCloseKey(hk);
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}
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}
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#endif // ! WINNT
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}
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}
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func void | CType_MakeGameCtrlName |
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*
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* Make a game controller name from the attributes of the controller.
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* Used as a last resort when a name is needed but none is available.
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*
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* @parm PWCHAR | wszName |
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*
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* Output buffer where name will be generated.
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*
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* @parm DWORD | dwType |
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*
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* DI8DEVTYPE value for the controller.
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*
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* @parm DWORD | dwAxes |
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*
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* The number of axes the device has.
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*
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* @parm DWORD | dwButtons |
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*
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* The numer of buttons the device has.
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*
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* @parm DWORD | dwPOVs |
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*
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* The number of POVs the device has.
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*
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*****************************************************************************/
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void EXTERNAL
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CType_MakeGameCtrlName
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(
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PWCHAR wszOutput,
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DWORD dwDevType,
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DWORD dwAxes,
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DWORD dwButtons,
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DWORD dwPOVs
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)
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{
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TCHAR tsz[64];
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TCHAR tszPOV[64];
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TCHAR tszFormat[64];
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#ifndef UNICODE
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TCHAR tszOut[cA(tsz)+cA(tszFormat)+cA(tszPOV)];
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#endif
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/* tszFormat = %d axis, %d button %s */
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LoadString(g_hinst, IDS_TEXT_TEMPLATE, tszFormat, cA(tszFormat));
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/* tsz = joystick, gamepad, etc. */
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if( ( GET_DIDEVICE_TYPE( dwDevType ) >= DI8DEVTYPE_JOYSTICK )
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&& ( GET_DIDEVICE_TYPE( dwDevType ) <= DI8DEVTYPE_FLIGHT ) )
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{
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LoadString(g_hinst, GET_DIDEVICE_TYPE( dwDevType ) + IDS_PLAIN_STICK - DI8DEVTYPE_JOYSTICK,
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tsz, cA(tsz));
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}
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else if( GET_DIDEVICE_TYPEANDSUBTYPE( dwDevType )
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== MAKE_DIDEVICE_TYPE( DI8DEVTYPE_SUPPLEMENTAL, DI8DEVTYPESUPPLEMENTAL_HEADTRACKER ) )
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{
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LoadString(g_hinst, IDS_HEAD_TRACKER, tsz, cA(tsz));
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}
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else
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{
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LoadString(g_hinst, IDS_DEVICE_NAME, tsz, cA(tsz));
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}
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if( dwPOVs )
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{
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LoadString(g_hinst, IDS_WITH_POV, tszPOV, cA(tszPOV));
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}
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else
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{
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tszPOV[0] = TEXT( '\0' );
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}
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#ifdef UNICODE
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wsprintfW(wszOutput, tszFormat, dwAxes, dwButtons, tsz, tszPOV);
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#else
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wsprintfA(tszOut, tszFormat, dwAxes, dwButtons, tsz, tszPOV);
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TToU(wszOutput, cA(tszOut), tszOut);
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#endif
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}
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