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