windows-nt/Source/XPSP1/NT/multimedia/directx/dinput/diconfig/usefuldi.cpp
2020-09-26 16:20:57 +08:00

344 lines
8.1 KiB
C++

//-----------------------------------------------------------------------------
// File: usefuldi.cpp
//
// Desc: Contains various DInput-specific utility classes and functions
// to help the UI carry its operations more easily.
//
// Copyright (C) 1999-2000 Microsoft Corporation. All Rights Reserved.
//-----------------------------------------------------------------------------
#include "common.hpp"
// don't want useful.cpp to use precompiled header
#include "useful.cpp"
BOOL IsObjectOnExcludeList(DWORD dwOfs)
{
if (dwOfs == DIK_PREVTRACK ||
dwOfs == DIK_NEXTTRACK ||
dwOfs == DIK_MUTE ||
dwOfs == DIK_CALCULATOR ||
dwOfs == DIK_PLAYPAUSE ||
dwOfs == DIK_MEDIASTOP ||
dwOfs == DIK_VOLUMEDOWN ||
dwOfs == DIK_VOLUMEUP ||
dwOfs == DIK_WEBHOME ||
dwOfs == DIK_SLEEP ||
dwOfs == DIK_WEBSEARCH ||
dwOfs == DIK_WEBFAVORITES ||
dwOfs == DIK_WEBREFRESH ||
dwOfs == DIK_WEBSTOP ||
dwOfs == DIK_WEBFORWARD ||
dwOfs == DIK_WEBBACK ||
dwOfs == DIK_MYCOMPUTER ||
dwOfs == DIK_MAIL ||
dwOfs == DIK_MEDIASELECT ||
dwOfs == DIK_LWIN ||
dwOfs == DIK_RWIN ||
dwOfs == DIK_POWER ||
dwOfs == DIK_WAKE)
return TRUE;
return FALSE;
}
BOOL CALLBACK IncrementValPerObject(LPCDIDEVICEOBJECTINSTANCEW lpddoi, LPVOID pvRef)
{
if (pvRef != NULL)
++(*((int *)pvRef));
return DIENUM_CONTINUE;
}
BOOL CALLBACK KeyboardIncrementValPerObject(LPCDIDEVICEOBJECTINSTANCEW lpddoi, LPVOID pvRef)
{
if (pvRef != NULL && !IsObjectOnExcludeList(lpddoi->dwOfs))
++(*((int *)pvRef));
return DIENUM_CONTINUE;
}
BOOL CALLBACK FillDIDeviceObject(LPCDIDEVICEOBJECTINSTANCEW lpddoi, LPVOID pvRef)
{
if (pvRef == NULL || lpddoi == NULL)
return DIENUM_CONTINUE;
DIDEVOBJSTRUCT &os = *((DIDEVOBJSTRUCT *)pvRef);
assert(os.pdoi != NULL);
assert(os.n < os.nObjects);
if (os.pdoi != NULL && os.n < os.nObjects)
os.pdoi[os.n++] = *lpddoi;
return DIENUM_CONTINUE;
}
// This is a special EnumObjects() callback for keyboard type devices. When we enumerate, dwOfs
// member of lpddoi is meaningless. We need to take the middle 16 bits of dwType as dwOfs
// (also same as DIK_xxx).
BOOL CALLBACK FillDIKeyboardDeviceObject(LPCDIDEVICEOBJECTINSTANCEW lpddoi, LPVOID pvRef)
{
if (pvRef == NULL || lpddoi == NULL || IsObjectOnExcludeList(lpddoi->dwOfs))
return DIENUM_CONTINUE;
DIDEVOBJSTRUCT &os = *((DIDEVOBJSTRUCT *)pvRef);
assert(os.pdoi != NULL);
assert(os.n < os.nObjects);
if (os.pdoi != NULL && os.n < os.nObjects)
{
os.pdoi[os.n] = *lpddoi;
os.pdoi[os.n].dwOfs = os.pdoi[os.n].dwType >> 8;
wcscpy(os.pdoi[os.n].tszName, lpddoi->tszName);
++os.n;
}
return DIENUM_CONTINUE;
}
HRESULT FillDIDeviceObjectStruct(DIDEVOBJSTRUCT &os, LPDIRECTINPUTDEVICE8W pDID)
{
if (pDID == NULL)
return E_FAIL;
DIDEVICEINSTANCEW didi;
didi.dwSize = sizeof(didi);
pDID->GetDeviceInfo(&didi);
HRESULT hr;
if (LOBYTE(didi.dwDevType) == DI8DEVTYPE_KEYBOARD)
hr = pDID->EnumObjects(KeyboardIncrementValPerObject, &os.nObjects,
DIDFT_AXIS | DIDFT_BUTTON | DIDFT_POV);
else
hr = pDID->EnumObjects(IncrementValPerObject, &os.nObjects,
DIDFT_AXIS | DIDFT_BUTTON | DIDFT_POV);
if (FAILED(hr))
{
os.nObjects = 0;
return hr;
}
if (os.nObjects == 0)
return S_OK;
if (os.pdoi != NULL)
free(os.pdoi);
os.pdoi = (DIDEVICEOBJECTINSTANCEW *)malloc(sizeof(DIDEVICEOBJECTINSTANCEW) * os.nObjects);
if (os.pdoi == NULL)
{
os.nObjects = 0;
return E_FAIL;
}
// Check if this device is a keyboard. If so, it needs special treatment.
os.n = 0;
if ((didi.dwDevType & 0xFF) == DI8DEVTYPE_KEYBOARD)
{
hr = pDID->EnumObjects(FillDIKeyboardDeviceObject, &os,
DIDFT_AXIS | DIDFT_BUTTON | DIDFT_POV);
} else {
hr = pDID->EnumObjects(FillDIDeviceObject, &os,
DIDFT_AXIS | DIDFT_BUTTON | DIDFT_POV);
}
if (FAILED(hr))
{
os.nObjects = 0;
return hr;
}
assert(os.nObjects == os.n);
os.nObjects = os.n;
return S_OK;
}
LPTSTR AllocConfigureFlagStr(DWORD dwFlags)
{
static const AFS_FLAG flag[] = {
#define f(F) { F, _T(#F) }
f(DICD_EDIT), f(DICD_DEFAULT)
#undef f
};
static const int flags = sizeof(flag) / sizeof(AFS_FLAG);
return AllocFlagStr(dwFlags, flag, flags);
}
LPTSTR AllocActionFlagStr(DWORD dwFlags)
{
static const AFS_FLAG flag[] = {
#define f(F) { F, _T(#F) }
f(DIA_FORCEFEEDBACK),
f(DIA_APPMAPPED),
f(DIA_APPNOMAP),
f(DIA_NORANGE),
#undef f
}; static const int flags = sizeof(flag) / sizeof(AFS_FLAG);
return AllocFlagStr(dwFlags, flag, flags);
}
LPTSTR AllocActionHowFlagStr(DWORD dwFlags)
{
static const AFS_FLAG flag[] = {
#define f(F) { F, _T(#F) }
f(DIAH_UNMAPPED),
f(DIAH_USERCONFIG),
f(DIAH_APPREQUESTED),
f(DIAH_HWAPP),
f(DIAH_HWDEFAULT),
f(DIAH_DEFAULT),
f(DIAH_ERROR)
#undef f
}; static const int flags = sizeof(flag) / sizeof(AFS_FLAG);
return AllocFlagStr(dwFlags, flag, flags);
}
void CleanupActionFormatCopy(DIACTIONFORMATW &c)
{
if (c.rgoAction != NULL)
{
for (DWORD i = 0; i < c.dwNumActions; i++)
if (c.rgoAction[i].lptszActionName != NULL)
free((LPTSTR)c.rgoAction[i].lptszActionName);
free(c.rgoAction);
}
c.rgoAction = NULL;
}
HRESULT CopyActionFormat(DIACTIONFORMATW &to, const DIACTIONFORMATW &from)
{
DWORD i;
// copy all simple members
to = from;
// null copied pointers since we're going to duplicate them (makes sure cleanup works)
to.rgoAction = NULL;
// handle pointers/arrays/strings
to.rgoAction = new DIACTIONW [to.dwNumActions];
if (to.rgoAction == NULL)
goto fail;
// first null it all
memset(to.rgoAction, 0, sizeof(DIACTIONW) * to.dwNumActions);
// now copy...
for (i = 0; i < to.dwNumActions; i++)
{
// copy simple members
to.rgoAction[i] = from.rgoAction[i];
// handle pointers/arrays/strings
to.rgoAction[i].lptszActionName = _wcsdup(from.rgoAction[i].lptszActionName);
if (to.rgoAction[i].lptszActionName == NULL)
goto fail;
}
return S_OK;
fail:
CleanupActionFormatCopy(to);
return E_OUTOFMEMORY;
}
LPDIACTIONFORMATW DupActionFormat(LPCDIACTIONFORMATW lpAcFor)
{
if (!lpAcFor)
return NULL;
LPDIACTIONFORMATW pdup = new DIACTIONFORMATW;
if (!pdup)
return NULL;
if (FAILED(CopyActionFormat(*pdup, *lpAcFor)))
{
delete pdup;
return NULL;
}
return pdup;
}
void FreeActionFormatDup(LPDIACTIONFORMATW &lpAcFor)
{
if (!lpAcFor)
return;
CleanupActionFormatCopy(*lpAcFor);
delete lpAcFor;
lpAcFor = NULL;
}
void TraceActionFormat(LPTSTR header, const DIACTIONFORMATW &acf)
{
#ifdef CFGUI__TRACE_ACTION_FORMATS
tracescope(a, header);
trace(_T("\n"));
traceDWORD(acf.dwSize);
traceDWORD(acf.dwActionSize);
traceDWORD(acf.dwDataSize);
traceDWORD(acf.dwNumActions);
{tracescope(b, _T("acf.rgoAction Array\n"));
for (DWORD i = 0; i < acf.dwNumActions; i++)
{
const DIACTIONW &a = acf.rgoAction[i];
static TCHAR buf[MAX_PATH];
_stprintf(buf, _T("Action %d\n"), i);
{tracescope(c, buf);
traceHEX(a.uAppData);
traceDWORD(a.dwSemantic);
LPTSTR str = AllocActionFlagStr(a.dwFlags);
trace1(_T("a.dwFlags = %s\n"), str);
free(str);
traceWSTR(a.lptszActionName);
traceUINT(a.uResIdString);
traceDWORD(a.dwObjID);
traceGUID(a.guidInstance);
str = AllocActionHowFlagStr(a.dwHow);
trace1(_T("a.dwHow = %s\n"), str);
free(str);
}
}
}
traceGUID(acf.guidActionMap);
traceDWORD(acf.dwGenre);
traceDWORD(acf.dwBufferSize);
traceLONG(acf.lAxisMin);
traceLONG(acf.lAxisMax);
traceHEX(acf.hInstString);
traceHEX(acf.dwCRC);
traceWSTR(acf.tszActionMap);
#endif
}
BOOL IsZeroOrInvalidColorSet(const DICOLORSET &cs)
{
if (cs.dwSize < sizeof(DICOLORSET))
return TRUE;
const int colors = 8;
D3DCOLOR color[colors] = {
cs.cTextFore,
cs.cTextHighlight,
cs.cCalloutLine,
cs.cCalloutHighlight,
cs.cBorder,
cs.cControlFill,
cs.cHighlightFill,
cs.cAreaFill
};
for (int i = 0; i < colors; i++)
if (color[i])
return FALSE;
return TRUE;
}
// D3DCOLOR2COLORREF swaps the blue and red components since GDI and D3D store RGB in the opposite order.
// It also removes the alpha component as the GDI doesn't use that, and including it causes incorrect color.
COLORREF D3DCOLOR2COLORREF(D3DCOLOR c)
{
LPBYTE pC = (LPBYTE)&c;
return (COLORREF)((DWORD(*pC) << 16) + (DWORD(*(pC+1)) << 8) + DWORD(*(pC+2)));
}