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// Copyright (C) 2003-2008 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program 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 General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "stdafx.h"
#include "DirectInputBase.h"
DInput::DInput()
: g_pDI(NULL),
g_pKeyboard(NULL)
{}
DInput::~DInput()
{
Free();
}
HRESULT DInput::Init(HWND hWnd)
{
HRESULT hr;
DWORD dwCoopFlags;
dwCoopFlags = DISCL_FOREGROUND | DISCL_NOWINKEY;
// Create a DInput object
if (FAILED(hr = DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION,
IID_IDirectInput8, (VOID* *)&g_pDI, NULL)))
{
MessageBox(0, "Direct Input Create Failed", 0, MB_ICONERROR);
return(hr);
}
if (FAILED(hr = g_pDI->CreateDevice(GUID_SysKeyboard, &g_pKeyboard, NULL)))
{
MessageBox(0, "Couldn't access keyboard", 0, MB_ICONERROR);
Free();
return(hr);
}
g_pKeyboard->SetDataFormat(&c_dfDIKeyboard);
g_pKeyboard->SetCooperativeLevel(hWnd, dwCoopFlags);
g_pKeyboard->Acquire();
return(S_OK);
}
void DInput::Free()
{
if (g_pKeyboard)
{
g_pKeyboard->Unacquire();
g_pKeyboard->Release();
g_pKeyboard = 0;
}
if (g_pDI)
{
g_pDI->Release();
g_pDI = 0;
}
}
// Desc: Read the input device's state when in immediate mode and display it.
HRESULT DInput::Read()
{
HRESULT hr;
if (NULL == g_pKeyboard)
{
return(S_OK);
}
// Get the input's device state, and put the state in dims
ZeroMemory(diks, sizeof(diks));
hr = g_pKeyboard->GetDeviceState(sizeof(diks), diks);
//for (int i=0; i<256; i++)
// if (diks[i])MessageBox(0,"DSFJDKSF|",0,0);
if (FAILED(hr))
{
// DirectInput may be telling us that the input stream has been
// interrupted. We aren't tracking any state between polls, so
// we don't have any special reset that needs to be done.
// We just re-acquire and try again.
// If input is lost then acquire and keep trying
hr = g_pKeyboard->Acquire();
while (hr == DIERR_INPUTLOST)
{
hr = g_pKeyboard->Acquire();
}
// hr may be DIERR_OTHERAPPHASPRIO or other errors. This
// may occur when the app is minimized or in the process of
// switching, so just try again later
return(S_OK);
}
return(S_OK);
}
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