[1505] | 1 | /* |
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| 2 | The zlib/libpng License |
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| 3 | |
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| 4 | Copyright (c) 2005-2007 Phillip Castaneda (pjcast -- www.wreckedgames.com) |
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| 5 | |
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| 6 | This software is provided 'as-is', without any express or implied warranty. In no event will |
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| 7 | the authors be held liable for any damages arising from the use of this software. |
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| 8 | |
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| 9 | Permission is granted to anyone to use this software for any purpose, including commercial |
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| 10 | applications, and to alter it and redistribute it freely, subject to the following |
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| 11 | restrictions: |
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| 12 | |
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| 13 | 1. The origin of this software must not be misrepresented; you must not claim that |
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| 14 | you wrote the original software. If you use this software in a product, |
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| 15 | an acknowledgment in the product documentation would be appreciated but is |
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| 16 | not required. |
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| 17 | |
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| 18 | 2. Altered source versions must be plainly marked as such, and must not be |
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| 19 | misrepresented as being the original software. |
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| 20 | |
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| 21 | 3. This notice may not be removed or altered from any source distribution. |
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| 22 | */ |
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| 23 | #include "Win32/Win32InputManager.h" |
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| 24 | #include "Win32/Win32KeyBoard.h" |
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| 25 | #include "OISException.h" |
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| 26 | #include "OISEvents.h" |
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| 27 | #include <sstream> |
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| 28 | |
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| 29 | using namespace OIS; |
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| 30 | |
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| 31 | //--------------------------------------------------------------------------------------------------// |
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| 32 | Win32Keyboard::Win32Keyboard( InputManager* creator, IDirectInput8* pDI, bool buffered, DWORD coopSettings ) |
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| 33 | : Keyboard(creator->inputSystemName(), buffered, 0, creator) |
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| 34 | { |
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| 35 | mKeyboard = 0; |
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| 36 | mDirectInput = pDI; |
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| 37 | coopSetting = coopSettings; |
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| 38 | |
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| 39 | //Clear our keyboard state buffer |
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| 40 | memset( &KeyBuffer, 0, 256 ); |
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| 41 | deadKey = '\0'; |
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| 42 | static_cast<Win32InputManager*>(mCreator)->_setKeyboardUsed(true); |
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| 43 | } |
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| 44 | |
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| 45 | //--------------------------------------------------------------------------------------------------// |
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| 46 | void Win32Keyboard::_initialize() |
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| 47 | { |
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| 48 | mModifiers = 0; |
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| 49 | deadKey = '\0'; |
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| 50 | |
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| 51 | if(FAILED(mDirectInput->CreateDevice(GUID_SysKeyboard, &mKeyboard, NULL))) |
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| 52 | OIS_EXCEPT( E_General, "Win32Keyboard::Win32Keyboard >> Could not init device!"); |
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| 53 | |
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| 54 | if(FAILED(mKeyboard->SetDataFormat(&c_dfDIKeyboard))) |
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| 55 | OIS_EXCEPT( E_General, "Win32Keyboard::Win32Keyboard >> format error!"); |
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| 56 | |
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| 57 | HWND hwin = ((Win32InputManager*)mCreator)->getWindowHandle(); |
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| 58 | |
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| 59 | if(FAILED(mKeyboard->SetCooperativeLevel( hwin, coopSetting))) |
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| 60 | OIS_EXCEPT( E_General, "Win32Keyboard::Win32Keyboard >> coop error!"); |
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| 61 | |
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| 62 | if( mBuffered ) |
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| 63 | { |
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| 64 | DIPROPDWORD dipdw; |
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| 65 | dipdw.diph.dwSize = sizeof(DIPROPDWORD); |
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| 66 | dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER); |
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| 67 | dipdw.diph.dwObj = 0; |
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| 68 | dipdw.diph.dwHow = DIPH_DEVICE; |
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| 69 | dipdw.dwData = KEYBOARD_DX_BUFFERSIZE; |
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| 70 | |
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| 71 | if (FAILED(mKeyboard->SetProperty( DIPROP_BUFFERSIZE, &dipdw.diph ))) |
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| 72 | OIS_EXCEPT( E_General, "Win32Keyboard::Win32Keyboard >> buffer error!"); |
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| 73 | } |
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| 74 | |
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| 75 | HRESULT hr = mKeyboard->Acquire(); |
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| 76 | if(FAILED(hr) && hr != DIERR_OTHERAPPHASPRIO) |
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| 77 | OIS_EXCEPT( E_General, "Win32Keyboard::Win32Keyboard >> aquire error!"); |
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| 78 | } |
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| 79 | |
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| 80 | //--------------------------------------------------------------------------------------------------// |
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| 81 | Win32Keyboard::~Win32Keyboard() |
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| 82 | { |
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| 83 | if(mKeyboard) |
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| 84 | { |
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| 85 | mKeyboard->Unacquire(); |
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| 86 | mKeyboard->Release(); |
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| 87 | mKeyboard = 0; |
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| 88 | } |
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| 89 | static_cast<Win32InputManager*>(mCreator)->_setKeyboardUsed(false); |
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| 90 | } |
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| 91 | |
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| 92 | //--------------------------------------------------------------------------------------------------// |
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| 93 | void Win32Keyboard::capture() |
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| 94 | { |
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| 95 | if( mBuffered ) |
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| 96 | _readBuffered(); |
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| 97 | else |
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| 98 | _read(); |
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| 99 | } |
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| 100 | |
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| 101 | //--------------------------------------------------------------------------------------------------// |
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| 102 | void Win32Keyboard::_readBuffered() |
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| 103 | { |
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| 104 | DIDEVICEOBJECTDATA diBuff[KEYBOARD_DX_BUFFERSIZE]; |
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| 105 | DWORD entries = KEYBOARD_DX_BUFFERSIZE; |
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| 106 | HRESULT hr; |
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| 107 | //Only one keyboard allowed per app, so static is ok |
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| 108 | static bool verifyAfterAltTab = false; |
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| 109 | |
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| 110 | hr = mKeyboard->GetDeviceData( sizeof(DIDEVICEOBJECTDATA), diBuff, &entries, 0 ); |
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| 111 | if( hr != DI_OK ) |
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| 112 | { |
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| 113 | hr = mKeyboard->Acquire(); |
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| 114 | if (hr == E_ACCESSDENIED) |
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| 115 | verifyAfterAltTab = true; |
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| 116 | |
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| 117 | while( hr == DIERR_INPUTLOST ) |
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| 118 | hr = mKeyboard->Acquire(); |
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| 119 | |
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| 120 | return; |
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| 121 | } |
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| 122 | |
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| 123 | if( FAILED(hr) ) |
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| 124 | OIS_EXCEPT( E_General, "Win32Keyboard::_readBuffered() >> Problem with Device!" ); |
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| 125 | |
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| 126 | //Update keyboard and modifier states.. And, if mListener, fire events |
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| 127 | for(unsigned int i = 0; i < entries; ++i ) |
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| 128 | { |
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| 129 | //If the listener returns false, that means that we are probably deleted... |
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| 130 | //send no more events and just leave as the this pointer is invalid now... |
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| 131 | bool ret = true; |
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| 132 | KeyCode kc = (KeyCode)diBuff[ i ].dwOfs; |
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| 133 | |
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| 134 | //Store result in our keyBuffer too |
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| 135 | KeyBuffer[kc] = static_cast<unsigned char>(diBuff[ i ].dwData); |
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| 136 | |
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| 137 | if( diBuff[ i ].dwData & 0x80 ) |
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| 138 | { |
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| 139 | //Turn on modifier |
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| 140 | if( kc == KC_LCONTROL || kc == KC_RCONTROL ) |
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| 141 | mModifiers |= Ctrl; |
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| 142 | else if( kc == KC_LSHIFT || kc == KC_RSHIFT ) |
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| 143 | mModifiers |= Shift; |
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| 144 | else if( kc == KC_LMENU || kc == KC_RMENU ) |
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| 145 | mModifiers |= Alt; |
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| 146 | |
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| 147 | if( mListener ) |
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| 148 | ret = mListener->keyPressed( KeyEvent( this, kc, _translateText(kc) ) ); |
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| 149 | } |
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| 150 | else |
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| 151 | { |
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| 152 | //Turn off modifier |
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| 153 | if( kc == KC_LCONTROL || kc == KC_RCONTROL ) |
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| 154 | mModifiers &= ~Ctrl; |
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| 155 | else if( kc == KC_LSHIFT || kc == KC_RSHIFT ) |
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| 156 | mModifiers &= ~Shift; |
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| 157 | else if( kc == KC_LMENU || kc == KC_RMENU ) |
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| 158 | mModifiers &= ~Alt; |
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| 159 | |
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| 160 | //Fire off event |
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| 161 | if( mListener ) |
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| 162 | ret = mListener->keyReleased( KeyEvent( this, kc, 0 ) ); |
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| 163 | } |
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| 164 | |
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| 165 | if(ret == false) |
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| 166 | break; |
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| 167 | } |
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| 168 | |
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| 169 | // If a lost device/access denied was detected, recover gracefully with new events |
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| 170 | if(verifyAfterAltTab) |
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| 171 | { |
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| 172 | bool ret = true; |
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| 173 | |
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| 174 | //Copy old buffer to temp location to compare against |
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| 175 | unsigned char keyBufferCopy[256]; |
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| 176 | memcpy(keyBufferCopy, KeyBuffer, 256); |
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| 177 | |
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| 178 | //Update new state |
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| 179 | _read(); |
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| 180 | |
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| 181 | for (unsigned i = 0; i < 256; i++) |
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| 182 | { |
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| 183 | if (keyBufferCopy[i] != KeyBuffer[i]) |
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| 184 | { |
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| 185 | if (mListener) |
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| 186 | { |
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| 187 | if (KeyBuffer[i]) |
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| 188 | ret = mListener->keyPressed( KeyEvent( this, (KeyCode)i, _translateText((KeyCode)i) ) ); |
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| 189 | else |
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| 190 | ret = mListener->keyReleased( KeyEvent( this, (KeyCode)i, 0 ) ); |
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| 191 | } |
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| 192 | } |
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| 193 | |
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| 194 | //If user returned false from callback, return immediately |
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| 195 | if(ret == false) |
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| 196 | return; |
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| 197 | } |
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| 198 | |
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| 199 | verifyAfterAltTab = false; |
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| 200 | } |
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| 201 | } |
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| 202 | |
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| 203 | //--------------------------------------------------------------------------------------------------// |
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| 204 | void Win32Keyboard::_read() |
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| 205 | { |
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| 206 | HRESULT hr = mKeyboard->GetDeviceState( sizeof(KeyBuffer), &KeyBuffer ); |
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| 207 | |
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| 208 | if( hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED ) |
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| 209 | { |
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| 210 | hr = mKeyboard->Acquire(); |
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| 211 | if (hr != DIERR_OTHERAPPHASPRIO) |
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| 212 | mKeyboard->GetDeviceState(sizeof(KeyBuffer), &KeyBuffer); |
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| 213 | } |
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| 214 | |
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| 215 | //Set Shift, Ctrl, Alt |
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| 216 | mModifiers = 0; |
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| 217 | if( isKeyDown(KC_LCONTROL) || isKeyDown(KC_RCONTROL) ) |
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| 218 | mModifiers |= Ctrl; |
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| 219 | if( isKeyDown(KC_LSHIFT) || isKeyDown(KC_RSHIFT) ) |
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| 220 | mModifiers |= Shift; |
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| 221 | if( isKeyDown(KC_LMENU) || isKeyDown(KC_RMENU) ) |
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| 222 | mModifiers |= Alt; |
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| 223 | } |
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| 224 | |
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| 225 | //--------------------------------------------------------------------------------------------------// |
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| 226 | int Win32Keyboard::_translateText( KeyCode kc ) |
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| 227 | { |
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| 228 | if( mTextMode == Off ) |
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| 229 | return 0; |
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| 230 | |
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| 231 | BYTE keyState[256]; |
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| 232 | HKL layout = GetKeyboardLayout(0); |
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| 233 | if( GetKeyboardState(keyState) == 0 ) |
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| 234 | return 0; |
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| 235 | |
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| 236 | unsigned int vk = MapVirtualKeyEx(kc, 3, layout); |
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| 237 | if( vk == 0 ) |
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| 238 | return 0; |
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| 239 | |
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| 240 | unsigned char buff[3] = {0,0,0}; |
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| 241 | int ascii = ToAsciiEx(vk, kc, keyState, (LPWORD) buff, 0, layout); |
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| 242 | //WCHAR wide[3]; |
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| 243 | //int ascii = ToUnicodeEx(vk, kc, keyState, wide, 3, 0, layout); |
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| 244 | if(ascii == 1 && deadKey != '\0' ) |
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| 245 | { |
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| 246 | // A dead key is stored and we have just converted a character key |
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| 247 | // Combine the two into a single character |
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| 248 | WCHAR wcBuff[3] = {buff[0], deadKey, '\0'}; |
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| 249 | WCHAR out[3]; |
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| 250 | |
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| 251 | deadKey = '\0'; |
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| 252 | if(FoldStringW(MAP_PRECOMPOSED, (LPWSTR)wcBuff, 3, (LPWSTR)out, 3)) |
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| 253 | return out[0]; |
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| 254 | } |
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| 255 | else if (ascii == 1) |
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| 256 | { // We have a single character |
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| 257 | deadKey = '\0'; |
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| 258 | return buff[0]; |
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| 259 | } |
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| 260 | else if(ascii == 2) |
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| 261 | { // Convert a non-combining diacritical mark into a combining diacritical mark |
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| 262 | // Combining versions range from 0x300 to 0x36F; only 5 (for French) have been mapped below |
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| 263 | // http://www.fileformat.info/info/unicode/block/combining_diacritical_marks/images.htm |
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| 264 | switch(buff[0]) { |
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| 265 | case 0x5E: // Circumflex accent: â |
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| 266 | deadKey = 0x302; break; |
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| 267 | case 0x60: // Grave accent: à |
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| 268 | deadKey = 0x300; break; |
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| 269 | case 0xA8: // Diaeresis: ü |
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| 270 | deadKey = 0x308; break; |
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| 271 | case 0xB4: // Acute accent: é |
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| 272 | deadKey = 0x301; break; |
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| 273 | case 0xB8: // Cedilla: ç |
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| 274 | deadKey = 0x327; break; |
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| 275 | default: |
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| 276 | deadKey = buff[0]; break; |
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| 277 | } |
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| 278 | } |
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| 279 | |
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| 280 | return 0; |
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| 281 | } |
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| 282 | |
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| 283 | //--------------------------------------------------------------------------------------------------// |
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| 284 | bool Win32Keyboard::isKeyDown( KeyCode key ) const |
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| 285 | { |
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| 286 | return (KeyBuffer[key] & 0x80) != 0; |
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| 287 | } |
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| 288 | |
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| 289 | //--------------------------------------------------------------------------------------------------// |
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| 290 | const std::string& Win32Keyboard::getAsString( KeyCode kc ) |
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| 291 | { |
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| 292 | char temp[256]; |
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| 293 | |
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| 294 | DIPROPSTRING prop; |
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| 295 | prop.diph.dwSize = sizeof(DIPROPSTRING); |
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| 296 | prop.diph.dwHeaderSize = sizeof(DIPROPHEADER); |
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| 297 | prop.diph.dwObj = static_cast<DWORD>(kc); |
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| 298 | prop.diph.dwHow = DIPH_BYOFFSET; |
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| 299 | |
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| 300 | if ( SUCCEEDED( mKeyboard->GetProperty( DIPROP_KEYNAME, &prop.diph ) ) ) |
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| 301 | { |
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| 302 | // convert the WCHAR in "wsz" to multibyte |
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| 303 | if ( WideCharToMultiByte( CP_ACP, 0, prop.wsz, -1, temp, sizeof(temp), NULL, NULL) ) |
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| 304 | return mGetString.assign( temp ); |
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| 305 | } |
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| 306 | |
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| 307 | std::stringstream ss; |
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| 308 | ss << "Key_" << (int)kc; |
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| 309 | return mGetString.assign( ss.str() ); |
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| 310 | } |
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| 311 | |
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| 312 | //--------------------------------------------------------------------------------------------------// |
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| 313 | void Win32Keyboard::copyKeyStates( char keys[256] ) const |
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| 314 | { |
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| 315 | for(int i = 0; i < 256; ++i) |
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| 316 | keys[i] = KeyBuffer[i] > 0; //Normalise the DX values (0x80) |
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| 317 | } |
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| 318 | |
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| 319 | //--------------------------------------------------------------------------------------------------// |
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| 320 | void Win32Keyboard::setBuffered(bool buffered) |
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| 321 | { |
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| 322 | if( buffered != mBuffered ) |
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| 323 | { |
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| 324 | if(mKeyboard) |
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| 325 | { |
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| 326 | mKeyboard->Unacquire(); |
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| 327 | mKeyboard->Release(); |
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| 328 | mKeyboard = 0; |
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| 329 | } |
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| 330 | |
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| 331 | mBuffered = buffered; |
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| 332 | _initialize(); |
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| 333 | } |
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| 334 | } |
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