Initial megacommit.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_PadSimple/Src/DirectInputBase.cpp

@@ -0,0 +1,119 @@
+// 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);
+}
+
+