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1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | WinGopInput.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | This file produces the Simple Text In for an Gop window.\r | |
19 | \r | |
20 | This stuff is linked at the hip to the Window, since the window\r | |
21 | processing is done in a thread kicked off in WinNtGopImplementation.c\r | |
22 | \r | |
23 | Since the window information is processed in an other thread we need\r | |
24 | a keyboard Queue to pass data about. The Simple Text In code just\r | |
25 | takes data off the Queue. The WinProc message loop takes keyboard input\r | |
26 | and places it in the Queue.\r | |
27 | \r | |
28 | \r | |
29 | **/\r | |
30 | \r | |
31 | \r | |
32 | #include "WinGop.h"\r | |
33 | \r | |
34 | \r | |
35 | /**\r | |
36 | TODO: Add function description\r | |
37 | \r | |
38 | @param Private TODO: add argument description\r | |
39 | \r | |
40 | @retval EFI_SUCCESS TODO: Add description for return value\r | |
41 | \r | |
42 | **/\r | |
43 | EFI_STATUS\r | |
44 | GopPrivateCreateQ (\r | |
45 | IN GRAPHICS_PRIVATE_DATA *Private,\r | |
46 | IN GOP_QUEUE_FIXED *Queue\r | |
47 | )\r | |
48 | {\r | |
49 | InitializeCriticalSection (&Queue->Cs);\r | |
50 | Queue->Front = 0;\r | |
51 | Queue->Rear = 0;\r | |
52 | return EFI_SUCCESS;\r | |
53 | }\r | |
54 | \r | |
55 | \r | |
56 | /**\r | |
57 | TODO: Add function description\r | |
58 | \r | |
59 | @param Private TODO: add argument description\r | |
60 | \r | |
61 | @retval EFI_SUCCESS TODO: Add description for return value\r | |
62 | \r | |
63 | **/\r | |
64 | EFI_STATUS\r | |
65 | GopPrivateDestroyQ (\r | |
66 | IN GRAPHICS_PRIVATE_DATA *Private,\r | |
67 | IN GOP_QUEUE_FIXED *Queue\r | |
68 | )\r | |
69 | {\r | |
70 | Queue->Front = 0;\r | |
71 | Queue->Rear = 0;\r | |
72 | DeleteCriticalSection (&Queue->Cs);\r | |
73 | return EFI_SUCCESS;\r | |
74 | }\r | |
75 | \r | |
76 | \r | |
77 | /**\r | |
78 | TODO: Add function description\r | |
79 | \r | |
80 | @param Private TODO: add argument description\r | |
81 | @param Key TODO: add argument description\r | |
82 | \r | |
83 | @retval EFI_NOT_READY TODO: Add description for return value\r | |
84 | @retval EFI_SUCCESS TODO: Add description for return value\r | |
85 | \r | |
86 | **/\r | |
87 | EFI_STATUS\r | |
88 | GopPrivateAddQ (\r | |
89 | IN GRAPHICS_PRIVATE_DATA *Private,\r | |
90 | IN GOP_QUEUE_FIXED *Queue,\r | |
91 | IN EFI_KEY_DATA *KeyData\r | |
92 | )\r | |
93 | {\r | |
94 | EnterCriticalSection (&Queue->Cs);\r | |
95 | \r | |
96 | if ((Queue->Rear + 1) % MAX_Q == Queue->Front) {\r | |
97 | LeaveCriticalSection (&Queue->Cs);\r | |
98 | return EFI_NOT_READY;\r | |
99 | }\r | |
100 | \r | |
101 | CopyMem (&Queue->Q[Queue->Rear], KeyData, sizeof (EFI_KEY_DATA));\r | |
102 | Queue->Rear = (Queue->Rear + 1) % MAX_Q;\r | |
103 | \r | |
104 | LeaveCriticalSection (&Queue->Cs);\r | |
105 | return EFI_SUCCESS;\r | |
106 | }\r | |
107 | \r | |
108 | \r | |
109 | /**\r | |
110 | TODO: Add function description\r | |
111 | \r | |
112 | @param Private TODO: add argument description\r | |
113 | @param Key TODO: add argument description\r | |
114 | \r | |
115 | @retval EFI_NOT_READY TODO: Add description for return value\r | |
116 | @retval EFI_SUCCESS TODO: Add description for return value\r | |
117 | \r | |
118 | **/\r | |
119 | EFI_STATUS\r | |
120 | GopPrivateDeleteQ (\r | |
121 | IN GRAPHICS_PRIVATE_DATA *Private,\r | |
122 | IN GOP_QUEUE_FIXED *Queue,\r | |
123 | OUT EFI_KEY_DATA *Key\r | |
124 | )\r | |
125 | {\r | |
126 | EnterCriticalSection (&Queue->Cs);\r | |
127 | \r | |
128 | if (Queue->Front == Queue->Rear) {\r | |
129 | LeaveCriticalSection (&Queue->Cs);\r | |
130 | return EFI_NOT_READY;\r | |
131 | }\r | |
132 | \r | |
133 | CopyMem (Key, &Queue->Q[Queue->Front], sizeof (EFI_KEY_DATA));\r | |
134 | Queue->Front = (Queue->Front + 1) % MAX_Q;\r | |
135 | \r | |
136 | if (Key->Key.ScanCode == SCAN_NULL && Key->Key.UnicodeChar == CHAR_NULL) {\r | |
137 | if (!Private->IsPartialKeySupport) {\r | |
138 | //\r | |
139 | // If partial keystrok is not enabled, don't return the partial keystroke.\r | |
140 | //\r | |
141 | LeaveCriticalSection (&Queue->Cs);\r | |
142 | ZeroMem (Key, sizeof (EFI_KEY_DATA));\r | |
143 | return EFI_NOT_READY;\r | |
144 | }\r | |
145 | }\r | |
146 | LeaveCriticalSection (&Queue->Cs);\r | |
147 | return EFI_SUCCESS;\r | |
148 | }\r | |
149 | \r | |
150 | \r | |
151 | /**\r | |
152 | TODO: Add function description\r | |
153 | \r | |
154 | @param Private TODO: add argument description\r | |
155 | \r | |
156 | @retval EFI_NOT_READY TODO: Add description for return value\r | |
157 | @retval EFI_SUCCESS TODO: Add description for return value\r | |
158 | \r | |
159 | **/\r | |
160 | EFI_STATUS\r | |
161 | GopPrivateCheckQ (\r | |
162 | IN GOP_QUEUE_FIXED *Queue\r | |
163 | )\r | |
164 | {\r | |
165 | if (Queue->Front == Queue->Rear) {\r | |
166 | return EFI_NOT_READY;\r | |
167 | }\r | |
168 | \r | |
169 | return EFI_SUCCESS;\r | |
170 | }\r | |
171 | \r | |
172 | /**\r | |
173 | Initialize the key state.\r | |
174 | \r | |
175 | @param Private The GOP_PRIVATE_DATA instance.\r | |
176 | @param KeyState A pointer to receive the key state information.\r | |
177 | **/\r | |
178 | VOID\r | |
179 | InitializeKeyState (\r | |
180 | IN GRAPHICS_PRIVATE_DATA *Private,\r | |
181 | IN EFI_KEY_STATE *KeyState\r | |
182 | )\r | |
183 | {\r | |
184 | KeyState->KeyShiftState = EFI_SHIFT_STATE_VALID;\r | |
185 | KeyState->KeyToggleState = EFI_TOGGLE_STATE_VALID;\r | |
186 | \r | |
187 | //\r | |
188 | // Record Key shift state and toggle state\r | |
189 | //\r | |
190 | if (Private->LeftCtrl) {\r | |
191 | KeyState->KeyShiftState |= EFI_LEFT_CONTROL_PRESSED;\r | |
192 | }\r | |
193 | if (Private->RightCtrl) {\r | |
194 | KeyState->KeyShiftState |= EFI_RIGHT_CONTROL_PRESSED;\r | |
195 | }\r | |
196 | if (Private->LeftAlt) {\r | |
197 | KeyState->KeyShiftState |= EFI_LEFT_ALT_PRESSED;\r | |
198 | }\r | |
199 | if (Private->RightAlt) {\r | |
200 | KeyState->KeyShiftState |= EFI_RIGHT_ALT_PRESSED;\r | |
201 | }\r | |
202 | if (Private->LeftShift) {\r | |
203 | KeyState->KeyShiftState |= EFI_LEFT_SHIFT_PRESSED;\r | |
204 | }\r | |
205 | if (Private->RightShift) {\r | |
206 | KeyState->KeyShiftState |= EFI_RIGHT_SHIFT_PRESSED;\r | |
207 | }\r | |
208 | if (Private->LeftLogo) {\r | |
209 | KeyState->KeyShiftState |= EFI_LEFT_LOGO_PRESSED;\r | |
210 | }\r | |
211 | if (Private->RightLogo) {\r | |
212 | KeyState->KeyShiftState |= EFI_RIGHT_LOGO_PRESSED;\r | |
213 | }\r | |
214 | if (Private->Menu) {\r | |
215 | KeyState->KeyShiftState |= EFI_MENU_KEY_PRESSED;\r | |
216 | }\r | |
217 | if (Private->SysReq) {\r | |
218 | KeyState->KeyShiftState |= EFI_SYS_REQ_PRESSED;\r | |
219 | }\r | |
220 | if (Private->CapsLock) {\r | |
221 | KeyState->KeyToggleState |= EFI_CAPS_LOCK_ACTIVE;\r | |
222 | }\r | |
223 | if (Private->NumLock) {\r | |
224 | KeyState->KeyToggleState |= EFI_NUM_LOCK_ACTIVE;\r | |
225 | }\r | |
226 | if (Private->ScrollLock) {\r | |
227 | KeyState->KeyToggleState |= EFI_SCROLL_LOCK_ACTIVE;\r | |
228 | }\r | |
229 | if (Private->IsPartialKeySupport) {\r | |
230 | KeyState->KeyToggleState |= EFI_KEY_STATE_EXPOSED;\r | |
231 | }\r | |
232 | }\r | |
233 | \r | |
234 | /**\r | |
235 | TODO: Add function description\r | |
236 | \r | |
237 | @param Private TODO: add argument description\r | |
238 | @param Key TODO: add argument description\r | |
239 | \r | |
240 | @retval EFI_NOT_READY TODO: Add description for return value\r | |
241 | @retval EFI_SUCCESS TODO: Add description for return value\r | |
242 | \r | |
243 | **/\r | |
244 | EFI_STATUS\r | |
245 | GopPrivateAddKey (\r | |
246 | IN GRAPHICS_PRIVATE_DATA *Private,\r | |
247 | IN EFI_INPUT_KEY Key\r | |
248 | )\r | |
249 | {\r | |
250 | EFI_KEY_DATA KeyData;\r | |
251 | \r | |
252 | KeyData.Key = Key;\r | |
253 | InitializeKeyState (Private, &KeyData.KeyState);\r | |
254 | \r | |
255 | //\r | |
256 | // Convert Ctrl+[1-26] to Ctrl+[A-Z]\r | |
257 | //\r | |
258 | if ((Private->LeftCtrl || Private->RightCtrl) &&\r | |
259 | (KeyData.Key.UnicodeChar >= 1) && (KeyData.Key.UnicodeChar <= 26)\r | |
260 | ) {\r | |
261 | if ((Private->LeftShift || Private->RightShift) == Private->CapsLock) {\r | |
262 | KeyData.Key.UnicodeChar = (CHAR16)(KeyData.Key.UnicodeChar + L'a' - 1);\r | |
263 | } else {\r | |
264 | KeyData.Key.UnicodeChar = (CHAR16)(KeyData.Key.UnicodeChar + L'A' - 1);\r | |
265 | }\r | |
266 | }\r | |
267 | \r | |
268 | //\r | |
269 | // Unmask the Shift bit for printable char\r | |
270 | //\r | |
271 | if (((KeyData.Key.UnicodeChar >= L'a') && (KeyData.Key.UnicodeChar <= L'z')) ||\r | |
272 | ((KeyData.Key.UnicodeChar >= L'A') && (KeyData.Key.UnicodeChar <= L'Z'))\r | |
273 | ) {\r | |
274 | KeyData.KeyState.KeyShiftState &= ~(EFI_LEFT_SHIFT_PRESSED | EFI_RIGHT_SHIFT_PRESSED);\r | |
275 | }\r | |
276 | \r | |
277 | GopPrivateAddQ (Private, &Private->QueueForRead, &KeyData);\r | |
278 | if (Private->MakeRegisterdKeyCallback != NULL) {\r | |
279 | Private->MakeRegisterdKeyCallback (Private->RegisterdKeyCallbackContext, &KeyData);\r | |
280 | }\r | |
281 | \r | |
282 | return EFI_SUCCESS;\r | |
283 | }\r | |
284 | \r | |
285 | \r | |
286 | EFI_STATUS\r | |
287 | EFIAPI\r | |
288 | WinNtWndCheckKey (\r | |
289 | IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo\r | |
290 | )\r | |
291 | {\r | |
292 | GRAPHICS_PRIVATE_DATA *Private;\r | |
293 | \r | |
294 | Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r | |
295 | \r | |
296 | return GopPrivateCheckQ (&Private->QueueForRead);\r | |
297 | \r | |
298 | }\r | |
299 | EFI_STATUS\r | |
300 | EFIAPI\r | |
301 | WinNtWndGetKey (\r | |
302 | IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo,\r | |
303 | IN EFI_KEY_DATA *KeyData\r | |
304 | )\r | |
305 | /*++\r | |
306 | \r | |
307 | Routine Description:\r | |
308 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
309 | be used to test for existance of a keystroke via WaitForEvent () call.\r | |
310 | \r | |
311 | Arguments:\r | |
312 | Private - The private structure of WinNt Gop device.\r | |
313 | KeyData - A pointer to a buffer that is filled in with the keystroke\r | |
314 | state data for the key that was pressed.\r | |
315 | \r | |
316 | Returns:\r | |
317 | EFI_SUCCESS - The keystroke information was returned.\r | |
318 | EFI_NOT_READY - There was no keystroke data availiable.\r | |
319 | EFI_DEVICE_ERROR - The keystroke information was not returned due to\r | |
320 | hardware errors.\r | |
321 | EFI_INVALID_PARAMETER - KeyData is NULL.\r | |
322 | \r | |
323 | --*/\r | |
324 | {\r | |
325 | EFI_STATUS Status;\r | |
326 | GRAPHICS_PRIVATE_DATA *Private;\r | |
327 | \r | |
328 | Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r | |
329 | \r | |
330 | ZeroMem (&KeyData->Key, sizeof (KeyData->Key));\r | |
331 | InitializeKeyState (Private, &KeyData->KeyState);\r | |
332 | \r | |
333 | Status = GopPrivateCheckQ (&Private->QueueForRead);\r | |
334 | if (!EFI_ERROR (Status)) {\r | |
335 | //\r | |
336 | // If a Key press exists try and read it.\r | |
337 | //\r | |
338 | Status = GopPrivateDeleteQ (Private, &Private->QueueForRead, KeyData);\r | |
339 | if (!EFI_ERROR (Status)) {\r | |
340 | //\r | |
341 | // If partial keystroke is not enabled, check whether it is value key. If not return\r | |
342 | // EFI_NOT_READY.\r | |
343 | //\r | |
344 | if (!Private->IsPartialKeySupport) {\r | |
345 | if (KeyData->Key.ScanCode == SCAN_NULL && KeyData->Key.UnicodeChar == CHAR_NULL) {\r | |
346 | Status = EFI_NOT_READY;\r | |
347 | }\r | |
348 | }\r | |
349 | }\r | |
350 | }\r | |
351 | \r | |
352 | return Status;\r | |
353 | \r | |
354 | }\r | |
355 | \r | |
356 | EFI_STATUS\r | |
357 | EFIAPI\r | |
358 | WinNtWndKeySetState (\r | |
359 | IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo,\r | |
360 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
361 | )\r | |
362 | {\r | |
363 | GRAPHICS_PRIVATE_DATA *Private;\r | |
364 | \r | |
365 | Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r | |
366 | Private->KeyState.KeyToggleState = *KeyToggleState;\r | |
367 | return EFI_SUCCESS;\r | |
368 | }\r | |
369 | \r | |
370 | \r | |
371 | EFI_STATUS\r | |
372 | EFIAPI\r | |
373 | WinNtWndRegisterKeyNotify (\r | |
374 | IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo,\r | |
375 | IN EMU_GRAPHICS_WINDOW_REGISTER_KEY_NOTIFY_CALLBACK MakeCallBack,\r | |
376 | IN EMU_GRAPHICS_WINDOW_REGISTER_KEY_NOTIFY_CALLBACK BreakCallBack,\r | |
377 | IN VOID *Context\r | |
378 | )\r | |
379 | {\r | |
380 | GRAPHICS_PRIVATE_DATA *Private;\r | |
381 | \r | |
382 | Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r | |
383 | \r | |
384 | Private->MakeRegisterdKeyCallback = MakeCallBack;\r | |
385 | Private->BreakRegisterdKeyCallback = BreakCallBack;\r | |
386 | Private->RegisterdKeyCallbackContext = Context;\r | |
387 | \r | |
388 | return EFI_SUCCESS;\r | |
389 | }\r | |
390 | \r | |
391 | EFI_STATUS\r | |
392 | EFIAPI\r | |
393 | WinNtWndCheckPointer (\r | |
394 | IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo\r | |
395 | )\r | |
396 | {\r | |
397 | GRAPHICS_PRIVATE_DATA *Private;\r | |
398 | \r | |
399 | Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r | |
400 | \r | |
401 | return EFI_NOT_READY;\r | |
402 | }\r | |
403 | \r | |
404 | \r | |
405 | EFI_STATUS\r | |
406 | EFIAPI\r | |
407 | WinNtWndGetPointerState (\r | |
408 | IN EMU_GRAPHICS_WINDOW_PROTOCOL *GraphicsIo,\r | |
409 | IN EFI_SIMPLE_POINTER_STATE *State\r | |
410 | )\r | |
411 | {\r | |
412 | GRAPHICS_PRIVATE_DATA *Private;\r | |
413 | \r | |
414 | Private = GRAPHICS_PRIVATE_DATA_FROM_THIS (GraphicsIo);\r | |
415 | \r | |
416 | return EFI_NOT_READY;\r | |
417 | }\r |