148 lines
3.4 KiB
C++
148 lines
3.4 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program 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
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "stdafx.h"
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#include "DirectInputBase.h"
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DInput::DInput()
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: g_pDI(NULL),
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g_pKeyboard(NULL)
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{}
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DInput::~DInput()
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{
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Free();
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}
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void DInput::DIKToString(unsigned int keycode, char *keyStr) {
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HKL layout = GetKeyboardLayout(0);
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BYTE kbstate[256];
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switch(keycode) {
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case DIK_RETURN:
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sprintf(keyStr, "ENTER");
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break;
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case DIK_UP:
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sprintf(keyStr, "UP");
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break;
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case DIK_DOWN:
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sprintf(keyStr, "DOWN");
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break;
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case DIK_LEFT:
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sprintf(keyStr, "LEFT");
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break;
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case DIK_RIGHT:
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sprintf(keyStr, "RIGHT");
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break;
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default:
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GetKeyboardState(kbstate);
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UINT vk = MapVirtualKeyEx(keycode, 1, layout);
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ToAsciiEx(vk, keycode, kbstate, (LPWORD)keyStr, 0, layout);
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keyStr[0] = toupper(keyStr[0]);
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}
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}
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HRESULT DInput::Init(HWND hWnd)
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{
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HRESULT hr;
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DWORD dwCoopFlags;
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dwCoopFlags = DISCL_FOREGROUND | DISCL_NOWINKEY;
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// Create a DInput object
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if (FAILED(hr = DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION,
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IID_IDirectInput8, (VOID* *)&g_pDI, NULL)))
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{
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MessageBox(0, "Direct Input Create Failed", 0, MB_ICONERROR);
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return(hr);
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}
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if (FAILED(hr = g_pDI->CreateDevice(GUID_SysKeyboard, &g_pKeyboard, NULL)))
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{
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MessageBox(0, "Couldn't access keyboard", 0, MB_ICONERROR);
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Free();
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return(hr);
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}
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g_pKeyboard->SetDataFormat(&c_dfDIKeyboard);
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g_pKeyboard->SetCooperativeLevel(hWnd, dwCoopFlags);
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g_pKeyboard->Acquire();
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return(S_OK);
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}
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void DInput::Free()
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{
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if (g_pKeyboard)
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{
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g_pKeyboard->Unacquire();
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g_pKeyboard->Release();
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g_pKeyboard = 0;
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}
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if (g_pDI)
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{
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g_pDI->Release();
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g_pDI = 0;
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}
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}
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// Desc: Read the input device's state when in immediate mode and display it.
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HRESULT DInput::Read()
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{
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HRESULT hr;
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if (NULL == g_pKeyboard)
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{
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return(S_OK);
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}
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// Get the input's device state, and put the state in dims
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ZeroMemory(diks, sizeof(diks));
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hr = g_pKeyboard->GetDeviceState(sizeof(diks), diks);
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//for (int i=0; i<256; i++)
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// if (diks[i])MessageBox(0,"DSFJDKSF|",0,0);
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if (FAILED(hr))
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{
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// DirectInput may be telling us that the input stream has been
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// interrupted. We aren't tracking any state between polls, so
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// we don't have any special reset that needs to be done.
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// We just re-acquire and try again.
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// If input is lost then acquire and keep trying
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hr = g_pKeyboard->Acquire();
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while (hr == DIERR_INPUTLOST)
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{
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hr = g_pKeyboard->Acquire();
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}
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// hr may be DIERR_OTHERAPPHASPRIO or other errors. This
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// may occur when the app is minimized or in the process of
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// switching, so just try again later
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return(S_OK);
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}
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return(S_OK);
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}
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