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103b6520 | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006 - 2007, Intel Corporation\r | |
4 | All rights reserved. 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 | InputHandler.C\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Implementation for handling user input from the User Interface\r | |
19 | \r | |
20 | Revision History\r | |
21 | \r | |
22 | --*/\r | |
23 | \r | |
103b6520 | 24 | #include "Setup.h"\r |
25 | #include "Ui.h"\r | |
26 | #include "Colors.h"\r | |
27 | \r | |
28 | #define EFI_MAX(_a, _b) ((_a) > (_b) ? (_a) : (_b))\r | |
29 | \r | |
30 | EFI_STATUS\r | |
31 | ReadString(\r | |
32 | IN UI_MENU_OPTION *MenuOption,\r | |
33 | OUT CHAR16 *StringPtr\r | |
34 | )\r | |
35 | {\r | |
36 | EFI_STATUS Status;\r | |
37 | EFI_INPUT_KEY Key;\r | |
38 | CHAR16 NullCharacter;\r | |
39 | UINTN ScreenSize;\r | |
40 | EFI_TAG *Tag;\r | |
41 | CHAR16 Space[2];\r | |
42 | CHAR16 KeyPad[2];\r | |
43 | BOOLEAN SelectionComplete;\r | |
44 | CHAR16 *TempString;\r | |
45 | CHAR16 *BufferedString;\r | |
46 | UINTN Index;\r | |
47 | UINTN Count;\r | |
48 | UINTN Start;\r | |
49 | UINTN Top;\r | |
50 | CHAR16 *PromptForDataString;\r | |
51 | UINTN DimensionsWidth;\r | |
52 | UINTN DimensionsHeight;\r | |
53 | BOOLEAN CursorVisible;\r | |
54 | \r | |
55 | DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r | |
56 | DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;\r | |
57 | \r | |
58 | PromptForDataString = GetToken (STRING_TOKEN (PROMPT_FOR_DATA), gHiiHandle);\r | |
59 | \r | |
60 | NullCharacter = CHAR_NULL;\r | |
61 | ScreenSize = GetStringWidth (PromptForDataString) / 2;\r | |
62 | Tag = MenuOption->ThisTag;\r | |
63 | Space[0] = L' ';\r | |
64 | Space[1] = CHAR_NULL;\r | |
65 | SelectionComplete = FALSE;\r | |
66 | \r | |
67 | TempString = AllocateZeroPool (MenuOption->ThisTag->Maximum * 2);\r | |
68 | ASSERT (TempString);\r | |
69 | \r | |
70 | if (ScreenSize < (Tag->Maximum / (UINTN) 2)) {\r | |
71 | ScreenSize = Tag->Maximum / 2;\r | |
72 | }\r | |
73 | \r | |
74 | if ((ScreenSize + 2) > DimensionsWidth) {\r | |
75 | ScreenSize = DimensionsWidth - 2;\r | |
76 | }\r | |
77 | \r | |
78 | BufferedString = AllocateZeroPool (ScreenSize * 2);\r | |
79 | ASSERT (BufferedString);\r | |
80 | \r | |
81 | Start = (DimensionsWidth - ScreenSize - 2) / 2 + gScreenDimensions.LeftColumn + 1;\r | |
82 | Top = ((DimensionsHeight - 6) / 2) + gScreenDimensions.TopRow - 1;\r | |
83 | \r | |
84 | //\r | |
85 | // Display prompt for string\r | |
86 | //\r | |
87 | CreatePopUp (ScreenSize, 4, &NullCharacter, PromptForDataString, Space, &NullCharacter);\r | |
88 | \r | |
89 | FreePool (PromptForDataString);\r | |
90 | \r | |
91 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_BLACK, EFI_LIGHTGRAY));\r | |
92 | \r | |
93 | CursorVisible = gST->ConOut->Mode->CursorVisible;\r | |
94 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
95 | \r | |
96 | do {\r | |
97 | Status = WaitForKeyStroke (&Key);\r | |
98 | \r | |
99 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_BLACK, EFI_LIGHTGRAY));\r | |
100 | switch (Key.UnicodeChar) {\r | |
101 | case CHAR_NULL:\r | |
102 | switch (Key.ScanCode) {\r | |
103 | case SCAN_LEFT:\r | |
104 | break;\r | |
105 | \r | |
106 | case SCAN_RIGHT:\r | |
107 | break;\r | |
108 | \r | |
109 | case SCAN_ESC:\r | |
110 | FreePool (TempString);\r | |
111 | FreePool (BufferedString);\r | |
112 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r | |
113 | gST->ConOut->EnableCursor (gST->ConOut, CursorVisible);\r | |
114 | return EFI_DEVICE_ERROR;\r | |
115 | \r | |
116 | default:\r | |
117 | break;\r | |
118 | }\r | |
119 | \r | |
120 | break;\r | |
121 | \r | |
122 | case CHAR_CARRIAGE_RETURN:\r | |
123 | if (GetStringWidth (StringPtr) >= MenuOption->ThisTag->Minimum) {\r | |
124 | SelectionComplete = TRUE;\r | |
125 | FreePool (TempString);\r | |
126 | FreePool (BufferedString);\r | |
127 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r | |
128 | gST->ConOut->EnableCursor (gST->ConOut, CursorVisible);\r | |
129 | return EFI_SUCCESS;\r | |
130 | } else {\r | |
131 | ScreenSize = GetStringWidth (gMiniString) / 2;\r | |
132 | CreatePopUp (ScreenSize, 4, &NullCharacter, gMiniString, gPressEnter, &NullCharacter);\r | |
133 | //\r | |
134 | // Simply create a popup to tell the user that they had typed in too few characters.\r | |
135 | // To save code space, we can then treat this as an error and return back to the menu.\r | |
136 | //\r | |
137 | do {\r | |
138 | Status = WaitForKeyStroke (&Key);\r | |
139 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
140 | FreePool (TempString);\r | |
141 | FreePool (BufferedString);\r | |
142 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r | |
143 | gST->ConOut->EnableCursor (gST->ConOut, CursorVisible);\r | |
144 | return EFI_DEVICE_ERROR;\r | |
145 | }\r | |
146 | \r | |
147 | break;\r | |
148 | \r | |
149 | case CHAR_BACKSPACE:\r | |
150 | if (StringPtr[0] != CHAR_NULL) {\r | |
151 | for (Index = 0; StringPtr[Index] != CHAR_NULL; Index++) {\r | |
152 | TempString[Index] = StringPtr[Index];\r | |
153 | }\r | |
154 | //\r | |
155 | // Effectively truncate string by 1 character\r | |
156 | //\r | |
157 | TempString[Index - 1] = CHAR_NULL;\r | |
158 | StrCpy (StringPtr, TempString);\r | |
159 | }\r | |
160 | \r | |
161 | default:\r | |
162 | //\r | |
163 | // If it is the beginning of the string, don't worry about checking maximum limits\r | |
164 | //\r | |
165 | if ((StringPtr[0] == CHAR_NULL) && (Key.UnicodeChar != CHAR_BACKSPACE)) {\r | |
166 | StrnCpy (StringPtr, &Key.UnicodeChar, 1);\r | |
167 | StrnCpy (TempString, &Key.UnicodeChar, 1);\r | |
168 | } else if ((GetStringWidth (StringPtr) < MenuOption->ThisTag->Maximum) && (Key.UnicodeChar != CHAR_BACKSPACE)) {\r | |
169 | KeyPad[0] = Key.UnicodeChar;\r | |
170 | KeyPad[1] = CHAR_NULL;\r | |
171 | StrCat (StringPtr, KeyPad);\r | |
172 | StrCat (TempString, KeyPad);\r | |
173 | }\r | |
174 | //\r | |
175 | // If the width of the input string is now larger than the screen, we nee to\r | |
176 | // adjust the index to start printing portions of the string\r | |
177 | //\r | |
178 | SetUnicodeMem (BufferedString, ScreenSize - 1, L' ');\r | |
179 | \r | |
180 | PrintStringAt (Start + 1, Top + 3, BufferedString);\r | |
181 | \r | |
182 | if ((GetStringWidth (StringPtr) / 2) > (DimensionsWidth - 2)) {\r | |
183 | Index = (GetStringWidth (StringPtr) / 2) - DimensionsWidth + 2;\r | |
184 | } else {\r | |
185 | Index = 0;\r | |
186 | }\r | |
187 | \r | |
188 | for (Count = 0; Index + 1 < GetStringWidth (StringPtr) / 2; Index++, Count++) {\r | |
189 | BufferedString[Count] = StringPtr[Index];\r | |
190 | }\r | |
191 | \r | |
192 | PrintStringAt (Start + 1, Top + 3, BufferedString);\r | |
193 | break;\r | |
194 | }\r | |
195 | \r | |
196 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r | |
197 | gST->ConOut->SetCursorPosition (gST->ConOut, Start + GetStringWidth (StringPtr) / 2, Top + 3);\r | |
198 | } while (!SelectionComplete);\r | |
199 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r | |
200 | gST->ConOut->EnableCursor (gST->ConOut, CursorVisible);\r | |
201 | return Status;\r | |
202 | }\r | |
203 | \r | |
204 | EFI_STATUS\r | |
205 | ReadPassword (\r | |
206 | IN UI_MENU_OPTION *MenuOption,\r | |
207 | IN BOOLEAN PromptForPassword,\r | |
208 | IN EFI_TAG *Tag,\r | |
209 | IN EFI_IFR_DATA_ARRAY *PageData,\r | |
210 | IN BOOLEAN SecondEntry,\r | |
211 | IN EFI_FILE_FORM_TAGS *FileFormTags,\r | |
212 | OUT CHAR16 *StringPtr\r | |
213 | )\r | |
214 | {\r | |
215 | EFI_STATUS Status;\r | |
216 | UINTN ScreenSize;\r | |
217 | CHAR16 NullCharacter;\r | |
218 | CHAR16 Space[2];\r | |
219 | EFI_INPUT_KEY Key;\r | |
220 | CHAR16 KeyPad[2];\r | |
221 | UINTN Index;\r | |
222 | UINTN Start;\r | |
223 | UINTN Top;\r | |
224 | CHAR16 *TempString;\r | |
225 | CHAR16 *TempString2;\r | |
226 | BOOLEAN Confirmation;\r | |
227 | BOOLEAN ConfirmationComplete;\r | |
228 | EFI_HII_CALLBACK_PACKET *Packet;\r | |
229 | EFI_FORM_CALLBACK_PROTOCOL *FormCallback;\r | |
230 | EFI_VARIABLE_DEFINITION *VariableDefinition;\r | |
231 | UINTN DimensionsWidth;\r | |
232 | UINTN DimensionsHeight;\r | |
233 | EFI_IFR_DATA_ENTRY *DataEntry;\r | |
234 | UINTN WidthOfString;\r | |
235 | \r | |
236 | DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r | |
237 | DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;\r | |
238 | \r | |
239 | VariableDefinition = NULL;\r | |
240 | NullCharacter = CHAR_NULL;\r | |
241 | Space[0] = L' ';\r | |
242 | Space[1] = CHAR_NULL;\r | |
243 | Confirmation = FALSE;\r | |
244 | ConfirmationComplete = FALSE;\r | |
245 | Status = EFI_SUCCESS;\r | |
246 | FormCallback = NULL;\r | |
247 | Packet = NULL;\r | |
248 | \r | |
249 | //\r | |
250 | // Remember that dynamic pages in an environment where all pages are not\r | |
251 | // dynamic require us to call back to the user to give them an opportunity\r | |
252 | // to register fresh information in the HII database so that we can extract it.\r | |
253 | //\r | |
254 | Status = gBS->HandleProtocol (\r | |
255 | (VOID *) (UINTN) MenuOption->Tags[0].CallbackHandle,\r | |
256 | &gEfiFormCallbackProtocolGuid,\r | |
257 | (VOID **) &FormCallback\r | |
258 | );\r | |
259 | \r | |
260 | TempString = AllocateZeroPool (MenuOption->ThisTag->Maximum * 2);\r | |
261 | TempString2 = AllocateZeroPool (MenuOption->ThisTag->Maximum * 2);\r | |
262 | \r | |
263 | ASSERT (TempString);\r | |
264 | ASSERT (TempString2);\r | |
265 | \r | |
266 | if (Tag->Flags & EFI_IFR_FLAG_INTERACTIVE) {\r | |
267 | //\r | |
268 | // Password requires a callback to determine if a password exists\r | |
269 | //\r | |
270 | DataEntry = (EFI_IFR_DATA_ENTRY *) (PageData + 1);\r | |
271 | DataEntry->OpCode = EFI_IFR_PASSWORD_OP;\r | |
272 | DataEntry->Length = 3;\r | |
273 | \r | |
274 | ExtractRequestedNvMap (FileFormTags, Tag->VariableNumber, &VariableDefinition);\r | |
275 | \r | |
276 | //\r | |
277 | // The user is about to be prompted with a password field, Data = 0 (Return Status determines the type of prompt)\r | |
278 | //\r | |
279 | DataEntry->Data = (VOID *) (UINTN) (UINT8) (0 + SecondEntry * 2);\r | |
280 | PageData->NvRamMap = VariableDefinition->NvRamMap;\r | |
281 | \r | |
282 | if ((FormCallback != NULL) && (FormCallback->Callback != NULL)) {\r | |
283 | Status = FormCallback->Callback (\r | |
284 | FormCallback,\r | |
285 | Tag->Key,\r | |
286 | PageData,\r | |
287 | &Packet\r | |
288 | );\r | |
289 | }\r | |
290 | //\r | |
291 | // If error on return, continue with the reading of a typed in password to verify user knows password\r | |
292 | // If no error, there is no password set, so prompt for new password\r | |
293 | // if the previous callback was to verify the user knew password, and user typed it correctly - should return no error\r | |
294 | //\r | |
295 | if (!EFI_ERROR (Status)) {\r | |
296 | PromptForPassword = FALSE;\r | |
297 | \r | |
298 | //\r | |
299 | // Simulate this as the second entry into this routine for an interactive behavior\r | |
300 | //\r | |
301 | SecondEntry = TRUE;\r | |
302 | } else if (Status == EFI_NOT_READY) {\r | |
303 | Error:\r | |
304 | if (Packet != NULL) {\r | |
305 | //\r | |
306 | // Upon error, we will likely receive a string to print out\r | |
307 | // Display error popup\r | |
308 | //\r | |
309 | WidthOfString = GetStringWidth (Packet->String);\r | |
310 | ScreenSize = EFI_MAX(WidthOfString, GetStringWidth (gPressEnter)) / 2;\r | |
311 | CreatePopUp (ScreenSize, 4, &NullCharacter, Packet->String, gPressEnter, &NullCharacter);\r | |
312 | FreePool (Packet);\r | |
313 | \r | |
314 | do {\r | |
315 | Status = WaitForKeyStroke (&Key);\r | |
316 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
317 | }\r | |
318 | \r | |
319 | Status = EFI_NOT_READY;\r | |
320 | goto Done;\r | |
321 | }\r | |
322 | }\r | |
323 | \r | |
324 | do {\r | |
325 | //\r | |
326 | // Display PopUp Screen\r | |
327 | //\r | |
328 | ScreenSize = GetStringWidth (gPromptForNewPassword) / 2;\r | |
329 | if (GetStringWidth (gConfirmPassword) / 2 > ScreenSize) {\r | |
330 | ScreenSize = GetStringWidth (gConfirmPassword) / 2;\r | |
331 | }\r | |
332 | \r | |
333 | Start = (DimensionsWidth - ScreenSize - 4) / 2 + gScreenDimensions.LeftColumn + 2;\r | |
334 | Top = ((DimensionsHeight - 6) / 2) + gScreenDimensions.TopRow - 1;\r | |
335 | \r | |
336 | if (!Confirmation) {\r | |
337 | if (PromptForPassword) {\r | |
338 | CreatePopUp (ScreenSize, 4, &NullCharacter, gPromptForPassword, Space, &NullCharacter);\r | |
339 | } else {\r | |
340 | CreatePopUp (ScreenSize, 4, &NullCharacter, gPromptForNewPassword, Space, &NullCharacter);\r | |
341 | }\r | |
342 | } else {\r | |
343 | CreatePopUp (ScreenSize, 4, &NullCharacter, gConfirmPassword, Space, &NullCharacter);\r | |
344 | StringPtr[0] = CHAR_NULL;\r | |
345 | }\r | |
346 | \r | |
347 | do {\r | |
348 | Status = WaitForKeyStroke (&Key);\r | |
349 | \r | |
350 | switch (Key.UnicodeChar) {\r | |
351 | case CHAR_NULL:\r | |
352 | if (Key.ScanCode == SCAN_ESC) {\r | |
353 | return EFI_NOT_READY;\r | |
354 | }\r | |
355 | \r | |
356 | ConfirmationComplete = FALSE;\r | |
357 | break;\r | |
358 | \r | |
359 | case CHAR_CARRIAGE_RETURN:\r | |
360 | if (Tag->Flags & EFI_IFR_FLAG_INTERACTIVE) {\r | |
361 | //\r | |
362 | // User just typed a string in\r | |
363 | //\r | |
364 | DataEntry = (EFI_IFR_DATA_ENTRY *) (PageData + 1);\r | |
365 | DataEntry->OpCode = EFI_IFR_PASSWORD_OP;\r | |
366 | \r | |
367 | //\r | |
368 | // If the user just typed in a password, Data = 1\r | |
369 | // If the user just typed in a password to confirm the previous password, Data = 2\r | |
370 | //\r | |
371 | if (!Confirmation) {\r | |
372 | DataEntry->Length = 3;\r | |
373 | DataEntry->Data = (VOID *) (UINTN) (UINT8) (1 + SecondEntry * 2);\r | |
374 | \r | |
375 | if ((FormCallback != NULL) && (FormCallback->Callback != NULL)) {\r | |
376 | Status = FormCallback->Callback (\r | |
377 | FormCallback,\r | |
378 | Tag->Key,\r | |
379 | PageData,\r | |
380 | &Packet\r | |
381 | );\r | |
382 | }\r | |
383 | \r | |
384 | DataEntry->Length = sizeof (EFI_IFR_DATA_ENTRY);\r | |
385 | DataEntry->Data = (VOID *) TempString;\r | |
386 | } else {\r | |
387 | DataEntry->Length = 3;\r | |
388 | DataEntry->Data = (VOID *) (UINTN) (UINT8) (2 + SecondEntry * 2);\r | |
389 | \r | |
390 | if ((FormCallback != NULL) && (FormCallback->Callback != NULL)) {\r | |
391 | Status = FormCallback->Callback (\r | |
392 | FormCallback,\r | |
393 | Tag->Key,\r | |
394 | PageData,\r | |
395 | &Packet\r | |
396 | );\r | |
397 | }\r | |
398 | \r | |
399 | DataEntry->Length = sizeof (EFI_IFR_DATA_ENTRY);\r | |
400 | DataEntry->Data = (VOID *) TempString2;\r | |
401 | }\r | |
402 | \r | |
403 | if ((FormCallback != NULL) && (FormCallback->Callback != NULL)) {\r | |
404 | Status = FormCallback->Callback (\r | |
405 | FormCallback,\r | |
406 | Tag->Key,\r | |
407 | PageData,\r | |
408 | &Packet\r | |
409 | );\r | |
410 | }\r | |
411 | //\r | |
412 | // If this was the confirmation round of callbacks\r | |
413 | // and an error comes back, display an error\r | |
414 | //\r | |
415 | if (Confirmation) {\r | |
416 | if (EFI_ERROR (Status)) {\r | |
417 | if (Packet->String == NULL) {\r | |
418 | WidthOfString = GetStringWidth (gConfirmError);\r | |
419 | ScreenSize = EFI_MAX (WidthOfString, GetStringWidth (gPressEnter)) / 2;\r | |
420 | CreatePopUp (ScreenSize, 4, &NullCharacter, gConfirmError, gPressEnter, &NullCharacter);\r | |
421 | } else {\r | |
422 | WidthOfString = GetStringWidth (Packet->String);\r | |
423 | ScreenSize = EFI_MAX (WidthOfString, GetStringWidth (gPressEnter)) / 2;\r | |
424 | CreatePopUp (ScreenSize, 4, &NullCharacter, Packet->String, gPressEnter, &NullCharacter);\r | |
425 | FreePool (Packet);\r | |
426 | }\r | |
427 | \r | |
428 | StringPtr[0] = CHAR_NULL;\r | |
429 | do {\r | |
430 | Status = WaitForKeyStroke (&Key);\r | |
431 | \r | |
432 | if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {\r | |
433 | Status = EFI_NOT_READY;\r | |
434 | goto Done;\r | |
435 | }\r | |
436 | } while (1);\r | |
437 | } else {\r | |
438 | Status = EFI_NOT_READY;\r | |
439 | goto Done;\r | |
440 | }\r | |
441 | } else {\r | |
442 | //\r | |
443 | // User typed a string in and it wasn't valid somehow from the callback\r | |
444 | // For instance, callback may have said that some invalid characters were contained in the string\r | |
445 | //\r | |
446 | if (Status == EFI_NOT_READY) {\r | |
447 | goto Error;\r | |
448 | }\r | |
449 | \r | |
450 | if (PromptForPassword && EFI_ERROR (Status)) {\r | |
451 | Status = EFI_DEVICE_ERROR;\r | |
452 | goto Done;\r | |
453 | }\r | |
454 | }\r | |
455 | }\r | |
456 | \r | |
457 | if (Confirmation) {\r | |
458 | //\r | |
459 | // Compare tempstring and tempstring2, if the same, return with StringPtr success\r | |
460 | // Otherwise, kick and error box, and return an error\r | |
461 | //\r | |
462 | if (StrCmp (TempString, TempString2) == 0) {\r | |
463 | Status = EFI_SUCCESS;\r | |
464 | goto Done;\r | |
465 | } else {\r | |
466 | WidthOfString = GetStringWidth (gConfirmError);\r | |
467 | ScreenSize = EFI_MAX (WidthOfString, GetStringWidth (gPressEnter)) / 2;\r | |
468 | CreatePopUp (ScreenSize, 4, &NullCharacter, gConfirmError, gPressEnter, &NullCharacter);\r | |
469 | StringPtr[0] = CHAR_NULL;\r | |
470 | do {\r | |
471 | Status = WaitForKeyStroke (&Key);\r | |
472 | if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {\r | |
473 | Status = EFI_DEVICE_ERROR;\r | |
474 | goto Done;\r | |
475 | }\r | |
476 | } while (1);\r | |
477 | }\r | |
478 | }\r | |
479 | \r | |
480 | if (PromptForPassword) {\r | |
481 | //\r | |
482 | // I was asked for a password, return it back in StringPtr\r | |
483 | //\r | |
484 | Status = EFI_SUCCESS;\r | |
485 | goto Done;\r | |
486 | } else {\r | |
487 | //\r | |
488 | // If the two passwords were not the same kick an error popup\r | |
489 | //\r | |
490 | Confirmation = TRUE;\r | |
491 | ConfirmationComplete = TRUE;\r | |
492 | break;\r | |
493 | }\r | |
494 | \r | |
495 | case CHAR_BACKSPACE:\r | |
496 | if (StringPtr[0] != CHAR_NULL) {\r | |
497 | if (!Confirmation) {\r | |
498 | for (Index = 0; StringPtr[Index] != CHAR_NULL; Index++) {\r | |
499 | TempString[Index] = StringPtr[Index];\r | |
500 | }\r | |
501 | //\r | |
502 | // Effectively truncate string by 1 character\r | |
503 | //\r | |
504 | TempString[Index - 1] = CHAR_NULL;\r | |
505 | StrCpy (StringPtr, TempString);\r | |
506 | } else {\r | |
507 | for (Index = 0; StringPtr[Index] != CHAR_NULL; Index++) {\r | |
508 | TempString2[Index] = StringPtr[Index];\r | |
509 | }\r | |
510 | //\r | |
511 | // Effectively truncate string by 1 character\r | |
512 | //\r | |
513 | TempString2[Index - 1] = CHAR_NULL;\r | |
514 | StrCpy (StringPtr, TempString2);\r | |
515 | }\r | |
516 | \r | |
517 | ConfirmationComplete = FALSE;\r | |
518 | } else {\r | |
519 | ConfirmationComplete = FALSE;\r | |
520 | }\r | |
521 | \r | |
522 | //\r | |
523 | // Must be a character we are interested in!\r | |
524 | //\r | |
525 | default:\r | |
526 | if ((StringPtr[0] == CHAR_NULL) && (Key.UnicodeChar != CHAR_BACKSPACE)) {\r | |
527 | if (!Confirmation) {\r | |
528 | StrnCpy (StringPtr, &Key.UnicodeChar, 1);\r | |
529 | StrnCpy (TempString, &Key.UnicodeChar, 1);\r | |
530 | } else {\r | |
531 | StrnCpy (StringPtr, &Key.UnicodeChar, 1);\r | |
532 | StrnCpy (TempString2, &Key.UnicodeChar, 1);\r | |
533 | ConfirmationComplete = FALSE;\r | |
534 | }\r | |
535 | } else if ((GetStringWidth (StringPtr) / 2 <= (UINTN) (MenuOption->ThisTag->Maximum - 1) / 2) &&\r | |
536 | (Key.UnicodeChar != CHAR_BACKSPACE)\r | |
537 | ) {\r | |
538 | KeyPad[0] = Key.UnicodeChar;\r | |
539 | KeyPad[1] = CHAR_NULL;\r | |
540 | if (!Confirmation) {\r | |
541 | StrCat (StringPtr, KeyPad);\r | |
542 | StrCat (TempString, KeyPad);\r | |
543 | } else {\r | |
544 | StrCat (StringPtr, KeyPad);\r | |
545 | StrCat (TempString2, KeyPad);\r | |
546 | }\r | |
547 | }\r | |
548 | \r | |
549 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_BLACK, EFI_LIGHTGRAY));\r | |
550 | for (Index = 1; Index < ScreenSize; Index++) {\r | |
551 | PrintCharAt (Start + Index, Top + 3, L' ');\r | |
552 | }\r | |
553 | \r | |
554 | gST->ConOut->SetCursorPosition (\r | |
555 | gST->ConOut,\r | |
556 | (DimensionsWidth - GetStringWidth (StringPtr) / 2) / 2 + gScreenDimensions.LeftColumn,\r | |
557 | Top + 3\r | |
558 | );\r | |
559 | for (Index = 0; Index + 1 < GetStringWidth (StringPtr) / 2; Index++) {\r | |
560 | PrintChar (L'*');\r | |
561 | }\r | |
562 | \r | |
563 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r | |
564 | break;\r | |
565 | }\r | |
566 | //\r | |
567 | // end switch\r | |
568 | //\r | |
569 | } while (!ConfirmationComplete);\r | |
570 | \r | |
571 | } while (1);\r | |
572 | \r | |
573 | Done:\r | |
574 | FreePool (TempString);\r | |
575 | FreePool (TempString2);\r | |
576 | return Status;\r | |
577 | }\r | |
578 | \r | |
579 | VOID\r | |
580 | EncodePassword (\r | |
581 | IN CHAR16 *Password,\r | |
582 | IN UINT8 MaxSize\r | |
583 | )\r | |
584 | {\r | |
585 | UINTN Index;\r | |
586 | UINTN Loop;\r | |
587 | CHAR16 *Buffer;\r | |
588 | CHAR16 *Key;\r | |
589 | \r | |
590 | Key = (CHAR16 *) L"MAR10648567";\r | |
591 | Buffer = AllocateZeroPool (MaxSize);\r | |
592 | \r | |
593 | ASSERT (Buffer);\r | |
594 | \r | |
595 | for (Index = 0; Key[Index] != 0; Index++) {\r | |
596 | for (Loop = 0; Loop < (UINT8) (MaxSize / 2); Loop++) {\r | |
597 | Buffer[Loop] = (CHAR16) (Password[Loop] ^ Key[Index]);\r | |
598 | }\r | |
599 | }\r | |
600 | \r | |
601 | CopyMem (Password, Buffer, MaxSize);\r | |
602 | \r | |
603 | FreePool (Buffer);\r | |
604 | return ;\r | |
605 | }\r | |
606 | \r | |
607 | EFI_STATUS\r | |
608 | GetNumericInput (\r | |
609 | IN UI_MENU_OPTION *MenuOption,\r | |
610 | IN EFI_FILE_FORM_TAGS *FileFormTagsHead,\r | |
611 | IN BOOLEAN ManualInput,\r | |
612 | IN EFI_TAG *Tag,\r | |
613 | IN UINTN NumericType,\r | |
614 | OUT UINT16 *Value\r | |
615 | )\r | |
616 | /*++\r | |
617 | \r | |
618 | Routine Description:\r | |
619 | \r | |
620 | This routine reads a numeric value from the user input.\r | |
621 | \r | |
622 | Arguments:\r | |
623 | \r | |
624 | MenuOption - Pointer to the current input menu.\r | |
625 | \r | |
626 | FileFormTagsHead - Pointer to the root of formset.\r | |
627 | \r | |
628 | ManualInput - If the input is manual or not.\r | |
629 | \r | |
630 | Tag - Pointer to all the attributes and values associated with a tag.\r | |
631 | \r | |
632 | Value - Pointer to the numeric value that is going to be read.\r | |
633 | \r | |
634 | Returns:\r | |
635 | \r | |
636 | EFI_SUCCESS - If numerical input is read successfully\r | |
637 | EFI_DEVICE_ERROR - If operation fails\r | |
638 | \r | |
639 | --*/\r | |
640 | {\r | |
641 | EFI_INPUT_KEY Key;\r | |
642 | BOOLEAN SelectionComplete;\r | |
643 | UINTN Column;\r | |
644 | UINTN Row;\r | |
645 | CHAR16 FormattedNumber[6];\r | |
646 | UINTN PreviousNumber[6];\r | |
647 | INTN Number;\r | |
648 | UINTN Count;\r | |
649 | UINT16 BackupValue;\r | |
650 | STRING_REF PopUp;\r | |
651 | CHAR16 NullCharacter;\r | |
652 | CHAR16 *StringPtr;\r | |
653 | EFI_FILE_FORM_TAGS *FileFormTags;\r | |
654 | EFI_VARIABLE_DEFINITION *VariableDefinition;\r | |
655 | UINTN Loop;\r | |
656 | \r | |
657 | NullCharacter = CHAR_NULL;\r | |
658 | StringPtr = NULL;\r | |
659 | Column = MenuOption->OptCol;\r | |
660 | Row = MenuOption->Row;\r | |
661 | Number = 0;\r | |
662 | PreviousNumber[0] = 0;\r | |
663 | Count = 0;\r | |
664 | SelectionComplete = FALSE;\r | |
665 | BackupValue = Tag->Value;\r | |
666 | FileFormTags = FileFormTagsHead;\r | |
667 | \r | |
668 | if (ManualInput) {\r | |
669 | PrintAt (Column, Row, (CHAR16 *) L"[ ]");\r | |
670 | Column++;\r | |
671 | if (Tag->Operand != EFI_IFR_TIME_OP) {\r | |
672 | *Value = BackupValue;\r | |
673 | }\r | |
674 | }\r | |
675 | //\r | |
676 | // First time we enter this handler, we need to check to see if\r | |
677 | // we were passed an increment or decrement directive\r | |
678 | //\r | |
679 | do {\r | |
680 | Key.UnicodeChar = CHAR_NULL;\r | |
681 | if (gDirection != 0) {\r | |
682 | Key.ScanCode = gDirection;\r | |
683 | gDirection = 0;\r | |
684 | goto TheKey2;\r | |
685 | }\r | |
686 | \r | |
687 | WaitForKeyStroke (&Key);\r | |
688 | \r | |
689 | TheKey2:\r | |
690 | switch (Key.UnicodeChar) {\r | |
691 | case '+':\r | |
692 | case '-':\r | |
693 | if ((Tag->Operand == EFI_IFR_DATE_OP) || (Tag->Operand == EFI_IFR_TIME_OP)) {\r | |
694 | Key.UnicodeChar = CHAR_NULL;\r | |
695 | if (Key.UnicodeChar == '+') {\r | |
696 | Key.ScanCode = SCAN_RIGHT;\r | |
697 | } else {\r | |
698 | Key.ScanCode = SCAN_LEFT;\r | |
699 | }\r | |
700 | \r | |
701 | goto TheKey2;\r | |
702 | }\r | |
703 | break;\r | |
704 | \r | |
705 | case CHAR_NULL:\r | |
706 | switch (Key.ScanCode) {\r | |
707 | case SCAN_LEFT:\r | |
708 | case SCAN_RIGHT:\r | |
709 | if ((Tag->Operand == EFI_IFR_DATE_OP) || (Tag->Operand == EFI_IFR_TIME_OP)) {\r | |
710 | //\r | |
711 | // By setting this value, we will return back to the caller.\r | |
712 | // We need to do this since an auto-refresh will destroy the adjustment\r | |
713 | // based on what the real-time-clock is showing. So we always commit\r | |
714 | // upon changing the value.\r | |
715 | //\r | |
716 | gDirection = SCAN_DOWN;\r | |
717 | }\r | |
718 | \r | |
719 | if (!ManualInput) {\r | |
720 | Tag->Value = *Value;\r | |
721 | if (Key.ScanCode == SCAN_LEFT) {\r | |
722 | Number = *Value - Tag->Step;\r | |
723 | if (Number < Tag->Minimum) {\r | |
724 | Number = Tag->Minimum;\r | |
725 | }\r | |
726 | } else if (Key.ScanCode == SCAN_RIGHT) {\r | |
727 | Number = *Value + Tag->Step;\r | |
728 | if (Number > Tag->Maximum) {\r | |
729 | Number = Tag->Maximum;\r | |
730 | }\r | |
731 | }\r | |
732 | \r | |
733 | Tag->Value = (UINT16) Number;\r | |
734 | *Value = (UINT16) Number;\r | |
735 | UnicodeValueToString (\r | |
736 | FormattedNumber,\r | |
737 | FALSE,\r | |
738 | (UINTN) Number,\r | |
739 | (sizeof (FormattedNumber) / sizeof (FormattedNumber[0]))\r | |
740 | );\r | |
741 | Number = (UINT16) GetStringWidth (FormattedNumber);\r | |
742 | \r | |
743 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r | |
744 | if ((Tag->Operand == EFI_IFR_DATE_OP) || (Tag->Operand == EFI_IFR_TIME_OP)) {\r | |
745 | for (Loop = 0; Loop < (UINTN) ((Number >= 8) ? 4 : 2); Loop++) {\r | |
746 | PrintAt (MenuOption->OptCol + Loop, MenuOption->Row, (CHAR16 *) L" ");\r | |
747 | }\r | |
748 | } else {\r | |
749 | for (Loop = 0; Loop < gOptionBlockWidth; Loop++) {\r | |
750 | PrintAt (MenuOption->OptCol + Loop, MenuOption->Row, (CHAR16 *) L" ");\r | |
751 | }\r | |
752 | }\r | |
753 | \r | |
754 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT);\r | |
755 | \r | |
756 | if ((MenuOption->Col + gPromptBlockWidth + 1) == MenuOption->OptCol) {\r | |
757 | PrintCharAt (MenuOption->OptCol, Row, LEFT_NUMERIC_DELIMITER);\r | |
758 | Column = MenuOption->OptCol + 1;\r | |
759 | }\r | |
760 | //\r | |
761 | // If Number looks like "3", convert it to "03/"\r | |
762 | //\r | |
763 | if (Number == 4 && (NumericType == DATE_NUMERIC)) {\r | |
764 | FormattedNumber[3] = FormattedNumber[1];\r | |
765 | FormattedNumber[2] = DATE_SEPARATOR;\r | |
766 | FormattedNumber[1] = FormattedNumber[0];\r | |
767 | FormattedNumber[0] = L'0';\r | |
768 | Number = 8;\r | |
769 | }\r | |
770 | //\r | |
771 | // If Number looks like "13", convert it to "13/"\r | |
772 | //\r | |
773 | if (Number == 6 && (NumericType == DATE_NUMERIC)) {\r | |
774 | FormattedNumber[3] = FormattedNumber[2];\r | |
775 | FormattedNumber[2] = DATE_SEPARATOR;\r | |
776 | Number = 8;\r | |
777 | }\r | |
778 | \r | |
779 | if (Number == 4 &&\r | |
780 | (NumericType == TIME_NUMERIC) &&\r | |
781 | (MenuOption->Col + gPromptBlockWidth + 8) != MenuOption->OptCol\r | |
782 | ) {\r | |
783 | FormattedNumber[3] = FormattedNumber[1];\r | |
784 | FormattedNumber[2] = TIME_SEPARATOR;\r | |
785 | FormattedNumber[1] = FormattedNumber[0];\r | |
786 | FormattedNumber[0] = L'0';\r | |
787 | Number = 8;\r | |
788 | }\r | |
789 | \r | |
790 | if (Number == 4 &&\r | |
791 | (NumericType == TIME_NUMERIC) &&\r | |
792 | (MenuOption->Col + gPromptBlockWidth + 8) == MenuOption->OptCol\r | |
793 | ) {\r | |
794 | FormattedNumber[3] = FormattedNumber[1];\r | |
795 | FormattedNumber[2] = RIGHT_NUMERIC_DELIMITER;\r | |
796 | FormattedNumber[1] = FormattedNumber[0];\r | |
797 | FormattedNumber[0] = L'0';\r | |
798 | Number = 8;\r | |
799 | }\r | |
800 | \r | |
801 | PrintStringAt (Column, Row, FormattedNumber);\r | |
802 | if (Number == 10 && (NumericType == DATE_NUMERIC)) {\r | |
803 | PrintChar (RIGHT_NUMERIC_DELIMITER);\r | |
804 | }\r | |
805 | \r | |
806 | if (NumericType == REGULAR_NUMERIC) {\r | |
807 | PrintChar (RIGHT_NUMERIC_DELIMITER);\r | |
808 | }\r | |
809 | }\r | |
810 | break;\r | |
811 | \r | |
812 | case SCAN_UP:\r | |
813 | case SCAN_DOWN:\r | |
814 | goto EnterCarriageReturn;\r | |
815 | \r | |
816 | case SCAN_ESC:\r | |
817 | return EFI_DEVICE_ERROR;\r | |
818 | \r | |
819 | default:\r | |
820 | break;\r | |
821 | }\r | |
822 | \r | |
823 | break;\r | |
824 | \r | |
825 | EnterCarriageReturn:\r | |
826 | \r | |
827 | case CHAR_CARRIAGE_RETURN:\r | |
828 | //\r | |
829 | // Check to see if the Value is something reasonable against consistency limitations.\r | |
830 | // If not, let's kick the error specified.\r | |
831 | //\r | |
832 | //\r | |
833 | // This gives us visibility to the FileFormTags->NvRamMap to check things\r | |
834 | // ActiveIfr is a global maintained by the menuing code to ensure that we\r | |
835 | // are pointing to the correct formset's file data.\r | |
836 | //\r | |
837 | for (Count = 0; Count < gActiveIfr; Count++) {\r | |
838 | FileFormTags = FileFormTags->NextFile;\r | |
839 | }\r | |
840 | \r | |
841 | ExtractRequestedNvMap (FileFormTags, Tag->VariableNumber, &VariableDefinition);\r | |
842 | \r | |
843 | CopyMem (&VariableDefinition->NvRamMap[Tag->StorageStart], &Tag->Value, Tag->StorageWidth);\r | |
844 | \r | |
845 | //\r | |
846 | // Data associated with a NULL device (in the fake NV storage)\r | |
847 | //\r | |
848 | if (Tag->StorageWidth == (UINT16) 0) {\r | |
849 | CopyMem (&VariableDefinition->FakeNvRamMap[Tag->StorageStart], &Tag->Value, 2);\r | |
850 | }\r | |
851 | //\r | |
852 | // If a late check is required save off the information. This is used when consistency checks\r | |
853 | // are required, but certain values might be bound by an impossible consistency check such as\r | |
854 | // if two questions are bound by consistency checks and each only has two possible choices, there\r | |
855 | // would be no way for a user to switch the values. Thus we require late checking.\r | |
856 | //\r | |
857 | if (Tag->Flags & EFI_IFR_FLAG_LATE_CHECK) {\r | |
858 | CopyMem (&Tag->OldValue, &BackupValue, Tag->StorageWidth);\r | |
859 | } else {\r | |
860 | //\r | |
861 | // In theory, passing the value and the Id are sufficient to determine what needs\r | |
862 | // to be done. The Id is the key to look for the entry needed in the Inconsistency\r | |
863 | // database. That will yields operand and ID data - and since the ID's correspond\r | |
864 | // to the NV storage, we can determine the values for other IDs there.\r | |
865 | //\r | |
866 | if (ValueIsNotValid (TRUE, 0, Tag, FileFormTags, &PopUp)) {\r | |
867 | if (PopUp == 0x0000) {\r | |
868 | SelectionComplete = TRUE;\r | |
869 | break;\r | |
870 | }\r | |
871 | \r | |
872 | StringPtr = GetToken (PopUp, MenuOption->Handle);\r | |
873 | \r | |
874 | CreatePopUp (GetStringWidth (StringPtr) / 2, 3, &NullCharacter, StringPtr, &NullCharacter);\r | |
875 | \r | |
876 | do {\r | |
877 | WaitForKeyStroke (&Key);\r | |
878 | \r | |
879 | switch (Key.UnicodeChar) {\r | |
880 | \r | |
881 | case CHAR_CARRIAGE_RETURN:\r | |
882 | SelectionComplete = TRUE;\r | |
883 | FreePool (StringPtr);\r | |
884 | break;\r | |
885 | \r | |
886 | default:\r | |
887 | break;\r | |
888 | }\r | |
889 | } while (!SelectionComplete);\r | |
890 | \r | |
891 | Tag->Value = BackupValue;\r | |
892 | *Value = BackupValue;\r | |
893 | \r | |
894 | CopyMem (&VariableDefinition->NvRamMap[Tag->StorageStart], &Tag->Value, Tag->StorageWidth);\r | |
895 | \r | |
896 | //\r | |
897 | // Data associated with a NULL device (in the fake NV storage)\r | |
898 | //\r | |
899 | if (Tag->StorageWidth == (UINT16) 0) {\r | |
900 | CopyMem (&VariableDefinition->FakeNvRamMap[Tag->StorageStart], &Tag->Value, 2);\r | |
901 | }\r | |
902 | \r | |
903 | return EFI_DEVICE_ERROR;\r | |
904 | }\r | |
905 | }\r | |
906 | \r | |
907 | return EFI_SUCCESS;\r | |
908 | break;\r | |
909 | \r | |
910 | case CHAR_BACKSPACE:\r | |
911 | if (ManualInput) {\r | |
912 | if (Count == 0) {\r | |
913 | break;\r | |
914 | }\r | |
915 | //\r | |
916 | // Remove a character\r | |
917 | //\r | |
918 | Number = PreviousNumber[Count - 1];\r | |
919 | *Value = (UINT16) Number;\r | |
920 | UpdateStatusBar (INPUT_ERROR, Tag->Flags, FALSE);\r | |
921 | Count--;\r | |
922 | Column--;\r | |
923 | PrintAt (Column, Row, (CHAR16 *) L" ");\r | |
924 | }\r | |
925 | break;\r | |
926 | \r | |
927 | default:\r | |
928 | if (ManualInput) {\r | |
929 | if (Key.UnicodeChar > L'9' || Key.UnicodeChar < L'0') {\r | |
930 | UpdateStatusBar (INPUT_ERROR, Tag->Flags, TRUE);\r | |
931 | break;\r | |
932 | }\r | |
933 | //\r | |
934 | // If Count 0-4 is complete, there is no way more is valid\r | |
935 | //\r | |
936 | if (Count > 4) {\r | |
937 | break;\r | |
938 | }\r | |
939 | //\r | |
940 | // Someone typed something valid!\r | |
941 | //\r | |
942 | if (Count != 0) {\r | |
943 | Number = Number * 10 + (Key.UnicodeChar - L'0');\r | |
944 | } else {\r | |
945 | Number = Key.UnicodeChar - L'0';\r | |
946 | }\r | |
947 | \r | |
948 | if (Number > Tag->Maximum) {\r | |
949 | UpdateStatusBar (INPUT_ERROR, Tag->Flags, TRUE);\r | |
950 | Number = PreviousNumber[Count];\r | |
951 | break;\r | |
952 | } else {\r | |
953 | UpdateStatusBar (INPUT_ERROR, Tag->Flags, FALSE);\r | |
954 | }\r | |
955 | \r | |
956 | Count++;\r | |
957 | \r | |
958 | PreviousNumber[Count] = Number;\r | |
959 | *Value = (UINT16) Number;\r | |
960 | Tag->Value = (UINT16) Number;\r | |
961 | \r | |
962 | PrintCharAt (Column, Row, Key.UnicodeChar);\r | |
963 | Column++;\r | |
964 | }\r | |
965 | break;\r | |
966 | }\r | |
967 | } while (!SelectionComplete);\r | |
968 | return EFI_SUCCESS;\r | |
969 | }\r | |
970 | //\r | |
971 | // Notice that this is at least needed for the ordered list manipulation.\r | |
972 | // Left/Right doesn't make sense for this op-code\r | |
973 | //\r | |
974 | EFI_STATUS\r | |
975 | GetSelectionInputPopUp (\r | |
976 | IN UI_MENU_OPTION *MenuOption,\r | |
977 | IN EFI_TAG *Tag,\r | |
978 | IN UINTN ValueCount,\r | |
979 | OUT UINT16 *Value,\r | |
980 | OUT UINT16 *KeyValue\r | |
981 | )\r | |
982 | {\r | |
983 | EFI_INPUT_KEY Key;\r | |
984 | UINTN Index;\r | |
985 | UINTN TempIndex;\r | |
986 | CHAR16 *StringPtr;\r | |
987 | CHAR16 *TempStringPtr;\r | |
988 | UINT16 Token;\r | |
989 | UINTN Index2;\r | |
990 | UINTN TopOptionIndex;\r | |
991 | UINTN HighlightPosition;\r | |
992 | UINTN Start;\r | |
993 | UINTN End;\r | |
994 | UINTN Top;\r | |
995 | UINTN Bottom;\r | |
996 | UINT16 TempValue;\r | |
997 | UINTN Count;\r | |
998 | UINTN PopUpMenuLines;\r | |
999 | UINTN MenuLinesInView;\r | |
1000 | UINTN PopUpWidth;\r | |
1001 | CHAR16 Character;\r | |
1002 | BOOLEAN FirstOptionFoundFlag;\r | |
1003 | INT32 SavedAttribute;\r | |
1004 | EFI_TAG TagBackup;\r | |
1005 | UINT8 *ValueArray;\r | |
1006 | UINT8 *ValueArrayBackup;\r | |
1007 | UINT8 ValueBackup;\r | |
1008 | BOOLEAN Initialized;\r | |
1009 | BOOLEAN KeyInitialized;\r | |
1010 | BOOLEAN ShowDownArrow;\r | |
1011 | BOOLEAN ShowUpArrow;\r | |
1012 | UINTN DimensionsWidth;\r | |
1013 | \r | |
1014 | DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r | |
1015 | \r | |
1016 | TempValue = 0;\r | |
1017 | TempIndex = 0;\r | |
1018 | ValueArray = (UINT8 *) Value;\r | |
1019 | ValueArrayBackup = NULL;\r | |
1020 | Initialized = FALSE;\r | |
1021 | KeyInitialized = FALSE;\r | |
1022 | ShowDownArrow = FALSE;\r | |
1023 | ShowUpArrow = FALSE;\r | |
1024 | \r | |
1025 | if (Tag->Operand == EFI_IFR_ORDERED_LIST_OP) {\r | |
1026 | ValueArrayBackup = AllocateZeroPool (Tag->StorageWidth);\r | |
1027 | ASSERT (ValueArrayBackup != NULL);\r | |
1028 | CopyMem (ValueArrayBackup, ValueArray, ValueCount);\r | |
1029 | TempValue = *(UINT8 *) (ValueArray);\r | |
1030 | if (ValueArray[0] != 0x00) {\r | |
1031 | Initialized = TRUE;\r | |
1032 | }\r | |
1033 | \r | |
1034 | for (Index = 0; ValueArray[Index] != 0x00; Index++)\r | |
1035 | ;\r | |
1036 | ValueCount = Index;\r | |
1037 | } else {\r | |
1038 | TempValue = *Value;\r | |
1039 | }\r | |
1040 | \r | |
1041 | Count = 0;\r | |
1042 | PopUpWidth = 0;\r | |
1043 | \r | |
1044 | FirstOptionFoundFlag = FALSE;\r | |
1045 | \r | |
1046 | StringPtr = AllocateZeroPool ((gOptionBlockWidth + 1) * 2);\r | |
1047 | ASSERT (StringPtr);\r | |
1048 | \r | |
1049 | //\r | |
1050 | // Initialization for "One of" pop-up menu\r | |
1051 | //\r | |
1052 | //\r | |
1053 | // Get the number of one of options present and its size\r | |
1054 | //\r | |
1055 | for (Index = MenuOption->TagIndex; MenuOption->Tags[Index].Operand != EFI_IFR_END_ONE_OF_OP; Index++) {\r | |
1056 | if (MenuOption->Tags[Index].Operand == EFI_IFR_ONE_OF_OPTION_OP &&\r | |
1057 | !MenuOption->Tags[Index].Suppress) {\r | |
1058 | if (!FirstOptionFoundFlag) {\r | |
1059 | FirstOptionFoundFlag = TRUE;\r | |
1060 | }\r | |
1061 | \r | |
1062 | Count++;\r | |
1063 | Token = MenuOption->Tags[Index].Text;\r | |
1064 | \r | |
1065 | //\r | |
1066 | // If this is an ordered list that is initialized\r | |
1067 | //\r | |
1068 | if (Initialized) {\r | |
1069 | for (ValueBackup = (UINT8) MenuOption->TagIndex;\r | |
1070 | MenuOption->Tags[ValueBackup].Operand != EFI_IFR_END_OP;\r | |
1071 | ValueBackup++\r | |
1072 | ) {\r | |
1073 | if (MenuOption->Tags[ValueBackup].Value == ((UINT8 *) ValueArrayBackup)[Index - MenuOption->TagIndex - 1]) {\r | |
1074 | StringPtr = GetToken (MenuOption->Tags[ValueBackup].Text, MenuOption->Handle);\r | |
1075 | break;\r | |
1076 | }\r | |
1077 | }\r | |
1078 | } else {\r | |
1079 | StringPtr = GetToken (Token, MenuOption->Handle);\r | |
1080 | }\r | |
1081 | \r | |
1082 | if (StrLen (StringPtr) > PopUpWidth) {\r | |
1083 | PopUpWidth = StrLen (StringPtr);\r | |
1084 | }\r | |
1085 | \r | |
1086 | FreePool (StringPtr);\r | |
1087 | }\r | |
1088 | }\r | |
1089 | //\r | |
1090 | // Perform popup menu initialization.\r | |
1091 | //\r | |
1092 | PopUpMenuLines = Count;\r | |
1093 | PopUpWidth = PopUpWidth + POPUP_PAD_SPACE_COUNT;\r | |
1094 | \r | |
1095 | SavedAttribute = gST->ConOut->Mode->Attribute;\r | |
1096 | gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r | |
1097 | \r | |
1098 | if ((PopUpWidth + POPUP_FRAME_WIDTH) > DimensionsWidth) {\r | |
1099 | PopUpWidth = DimensionsWidth - POPUP_FRAME_WIDTH;\r | |
1100 | }\r | |
1101 | \r | |
1102 | Start = (DimensionsWidth - PopUpWidth - POPUP_FRAME_WIDTH) / 2 + gScreenDimensions.LeftColumn;\r | |
1103 | End = Start + PopUpWidth + POPUP_FRAME_WIDTH;\r | |
1104 | Top = gScreenDimensions.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT;\r | |
1105 | Bottom = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - FOOTER_HEIGHT;\r | |
1106 | \r | |
1107 | MenuLinesInView = Bottom - Top - 1;\r | |
1108 | if (MenuLinesInView >= PopUpMenuLines) {\r | |
1109 | Top = Top + (MenuLinesInView - PopUpMenuLines) / 2;\r | |
1110 | Bottom = Top + PopUpMenuLines + 1;\r | |
1111 | } else {\r | |
1112 | TempValue = MenuOption->Tags[MenuOption->TagIndex + 1].Value;\r | |
1113 | ShowDownArrow = TRUE;\r | |
1114 | }\r | |
1115 | \r | |
1116 | TopOptionIndex = 1;\r | |
1117 | HighlightPosition = 0;\r | |
1118 | do {\r | |
1119 | if (Initialized) {\r | |
1120 | for (Index = MenuOption->TagIndex, Index2 = 0; Index2 < ValueCount; Index++, Index2++) {\r | |
1121 | //\r | |
1122 | // Set the value for the item we are looking for\r | |
1123 | //\r | |
1124 | Count = ValueArrayBackup[Index2];\r | |
1125 | \r | |
1126 | //\r | |
1127 | // If we hit the end of the Array, we are complete\r | |
1128 | //\r | |
1129 | if (Count == 0) {\r | |
1130 | break;\r | |
1131 | }\r | |
1132 | \r | |
1133 | if (MenuOption->Tags[Index].Operand == EFI_IFR_ONE_OF_OPTION_OP) {\r | |
1134 | for (ValueBackup = (UINT8) MenuOption->TagIndex;\r | |
1135 | MenuOption->Tags[ValueBackup].Operand != EFI_IFR_END_ONE_OF_OP;\r | |
1136 | ValueBackup++\r | |
1137 | ) {\r | |
1138 | //\r | |
1139 | // We just found what we are looking for\r | |
1140 | //\r | |
1141 | if (MenuOption->Tags[ValueBackup].Value == Count) {\r | |
1142 | //\r | |
1143 | // As long as the two indexes aren't the same, we have\r | |
1144 | // two different op-codes we need to swap internally\r | |
1145 | //\r | |
1146 | if (Index != ValueBackup) {\r | |
1147 | //\r | |
1148 | // Backup destination tag, then copy source to destination, then copy backup to source location\r | |
1149 | //\r | |
1150 | CopyMem (&TagBackup, &MenuOption->Tags[Index], sizeof (EFI_TAG));\r | |
1151 | CopyMem (&MenuOption->Tags[Index], &MenuOption->Tags[ValueBackup], sizeof (EFI_TAG));\r | |
1152 | CopyMem (&MenuOption->Tags[ValueBackup], &TagBackup, sizeof (EFI_TAG));\r | |
1153 | } else {\r | |
1154 | //\r | |
1155 | // If the indexes are the same, then the op-code is where he belongs\r | |
1156 | //\r | |
1157 | }\r | |
1158 | }\r | |
1159 | }\r | |
1160 | } else {\r | |
1161 | //\r | |
1162 | // Since this wasn't an option op-code (likely the ordered list op-code) decerement Index2\r | |
1163 | //\r | |
1164 | Index2--;\r | |
1165 | }\r | |
1166 | }\r | |
1167 | }\r | |
1168 | //\r | |
1169 | // Clear that portion of the screen\r | |
1170 | //\r | |
1171 | ClearLines (Start, End, Top, Bottom, POPUP_TEXT | POPUP_BACKGROUND);\r | |
1172 | \r | |
1173 | //\r | |
1174 | // Draw "One of" pop-up menu\r | |
1175 | //\r | |
1176 | Character = (CHAR16) BOXDRAW_DOWN_RIGHT;\r | |
1177 | PrintCharAt (Start, Top, Character);\r | |
1178 | for (Index = Start; Index + 2 < End; Index++) {\r | |
1179 | if ((ShowUpArrow) && ((Index + 1) == (Start + End) / 2)) {\r | |
1180 | Character = (CHAR16) GEOMETRICSHAPE_UP_TRIANGLE;\r | |
1181 | } else {\r | |
1182 | Character = (CHAR16) BOXDRAW_HORIZONTAL;\r | |
1183 | }\r | |
1184 | \r | |
1185 | PrintChar (Character);\r | |
1186 | }\r | |
1187 | \r | |
1188 | Character = (CHAR16) BOXDRAW_DOWN_LEFT;\r | |
1189 | PrintChar (Character);\r | |
1190 | Character = (CHAR16) BOXDRAW_VERTICAL;\r | |
1191 | for (Index = Top + 1; Index < Bottom; Index++) {\r | |
1192 | PrintCharAt (Start, Index, Character);\r | |
1193 | PrintCharAt (End - 1, Index, Character);\r | |
1194 | }\r | |
1195 | //\r | |
1196 | // Display the One of options\r | |
1197 | //\r | |
1198 | Index2 = Top + 1;\r | |
1199 | for (Index = MenuOption->TagIndex + TopOptionIndex;\r | |
1200 | (MenuOption->Tags[Index].Operand != EFI_IFR_END_ONE_OF_OP) && (Index2 < Bottom);\r | |
1201 | Index++\r | |
1202 | ) {\r | |
1203 | if (MenuOption->Tags[Index].Operand == EFI_IFR_ONE_OF_OPTION_OP) {\r | |
1204 | Token = MenuOption->Tags[Index].Text;\r | |
1205 | if (Initialized) {\r | |
1206 | for (ValueBackup = (UINT8) MenuOption->TagIndex;\r | |
1207 | MenuOption->Tags[ValueBackup].Operand != EFI_IFR_END_ONE_OF_OP;\r | |
1208 | ValueBackup++\r | |
1209 | ) {\r | |
1210 | if (MenuOption->Tags[ValueBackup].Value == ((UINT8 *) ValueArrayBackup)[Index - MenuOption->TagIndex - 1]) {\r | |
1211 | StringPtr = GetToken (MenuOption->Tags[ValueBackup].Text, MenuOption->Handle);\r | |
1212 | break;\r | |
1213 | }\r | |
1214 | }\r | |
1215 | } else {\r | |
1216 | ValueBackup = (UINT8) Index;\r | |
1217 | StringPtr = GetToken (Token, MenuOption->Handle);\r | |
1218 | }\r | |
1219 | //\r | |
1220 | // If the string occupies multiple lines, truncate it to fit in one line,\r | |
1221 | // and append a "..." for indication.\r | |
1222 | //\r | |
1223 | if (StrLen (StringPtr) > (PopUpWidth - 1)) {\r | |
1224 | TempStringPtr = AllocateZeroPool (sizeof (CHAR16) * (PopUpWidth - 1));\r | |
1225 | ASSERT (TempStringPtr != NULL);\r | |
1226 | CopyMem (TempStringPtr, StringPtr, (sizeof (CHAR16) * (PopUpWidth - 5)));\r | |
1227 | FreePool (StringPtr);\r | |
1228 | StringPtr = TempStringPtr;\r | |
1229 | StrCat (StringPtr, (CHAR16 *) L"...");\r | |
1230 | }\r | |
1231 | //\r | |
1232 | // Code to display the text should go here. Follwed by the [*]\r | |
1233 | //\r | |
1234 | if (MenuOption->Tags[ValueBackup].Suppress == TRUE) {\r | |
1235 | //\r | |
1236 | // Don't show the one, so decrease the Index2 for balance\r | |
1237 | //\r | |
1238 | Index2--;\r | |
1239 | } else if (MenuOption->Tags[ValueBackup].GrayOut == TRUE) {\r | |
1240 | //\r | |
1241 | // Gray Out the one\r | |
1242 | //\r | |
1243 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | POPUP_BACKGROUND);\r | |
1244 | PrintStringAt (Start + 2, Index2, StringPtr);\r | |
1245 | gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r | |
1246 | } else if (MenuOption->Tags[ValueBackup].Value == TempValue) {\r | |
1247 | //\r | |
1248 | // Highlight the selected one\r | |
1249 | //\r | |
1250 | gST->ConOut->SetAttribute (gST->ConOut, PICKLIST_HIGHLIGHT_TEXT | PICKLIST_HIGHLIGHT_BACKGROUND);\r | |
1251 | PrintStringAt (Start + 2, Index2, StringPtr);\r | |
1252 | gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r | |
1253 | HighlightPosition = Index2;\r | |
1254 | } else {\r | |
1255 | gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r | |
1256 | PrintStringAt (Start + 2, Index2, StringPtr);\r | |
1257 | }\r | |
1258 | \r | |
1259 | FreePool (StringPtr);\r | |
1260 | Index2 = Index2 + 1;\r | |
1261 | }\r | |
1262 | }\r | |
1263 | \r | |
1264 | Character = (CHAR16) BOXDRAW_UP_RIGHT;\r | |
1265 | PrintCharAt (Start, Bottom, Character);\r | |
1266 | for (Index = Start; Index + 2 < End; Index++) {\r | |
1267 | if ((ShowDownArrow) && ((Index + 1) == (Start + End) / 2)) {\r | |
1268 | Character = (CHAR16) GEOMETRICSHAPE_DOWN_TRIANGLE;\r | |
1269 | } else {\r | |
1270 | Character = (CHAR16) BOXDRAW_HORIZONTAL;\r | |
1271 | }\r | |
1272 | \r | |
1273 | PrintChar (Character);\r | |
1274 | }\r | |
1275 | \r | |
1276 | Character = (CHAR16) BOXDRAW_UP_LEFT;\r | |
1277 | PrintChar (Character);\r | |
1278 | //\r | |
1279 | // Get User selection and change TempValue if necessary\r | |
1280 | //\r | |
1281 | //\r | |
1282 | // Stop: One of pop-up menu\r | |
1283 | //\r | |
1284 | Key.UnicodeChar = CHAR_NULL;\r | |
1285 | if ((gDirection == SCAN_UP) || (gDirection == SCAN_DOWN)) {\r | |
1286 | Key.ScanCode = gDirection;\r | |
1287 | gDirection = 0;\r | |
1288 | goto TheKey;\r | |
1289 | }\r | |
1290 | \r | |
1291 | if (!KeyInitialized) {\r | |
1292 | if (MenuOption->ThisTag->Operand == EFI_IFR_ONE_OF_OP) {\r | |
1293 | *KeyValue = MenuOption->Tags[MenuOption->TagIndex + 1].Key;\r | |
1294 | } else {\r | |
1295 | *KeyValue = MenuOption->ThisTag->Key;\r | |
1296 | }\r | |
1297 | \r | |
1298 | KeyInitialized = TRUE;\r | |
1299 | }\r | |
1300 | \r | |
1301 | WaitForKeyStroke (&Key);\r | |
1302 | \r | |
1303 | TheKey:\r | |
1304 | switch (Key.UnicodeChar) {\r | |
1305 | case '+':\r | |
1306 | case '-':\r | |
1307 | //\r | |
1308 | // If an ordered list op-code, we will allow for a popup of +/- keys\r | |
1309 | // to create an ordered list of items\r | |
1310 | //\r | |
1311 | if (Tag->Operand == EFI_IFR_ORDERED_LIST_OP) {\r | |
1312 | if (Key.UnicodeChar == '+') {\r | |
1313 | if ((TopOptionIndex > 1) && (HighlightPosition == (Top + 1))) {\r | |
1314 | //\r | |
1315 | // Highlight reaches the top of the popup window, scroll one menu item.\r | |
1316 | //\r | |
1317 | TopOptionIndex--;\r | |
1318 | ShowDownArrow = TRUE;\r | |
1319 | }\r | |
1320 | \r | |
1321 | if (TopOptionIndex == 1) {\r | |
1322 | ShowUpArrow = FALSE;\r | |
1323 | }\r | |
1324 | } else {\r | |
1325 | if (((TopOptionIndex + MenuLinesInView) <= PopUpMenuLines) && (HighlightPosition == (Bottom - 1))) {\r | |
1326 | //\r | |
1327 | // Highlight reaches the bottom of the popup window, scroll one menu item.\r | |
1328 | //\r | |
1329 | TopOptionIndex++;\r | |
1330 | ShowUpArrow = TRUE;\r | |
1331 | }\r | |
1332 | \r | |
1333 | if ((TopOptionIndex + MenuLinesInView) == (PopUpMenuLines + 1)) {\r | |
1334 | ShowDownArrow = FALSE;\r | |
1335 | }\r | |
1336 | }\r | |
1337 | \r | |
1338 | for (Index = MenuOption->TagIndex + TopOptionIndex;\r | |
1339 | MenuOption->Tags[Index].Operand != EFI_IFR_END_ONE_OF_OP;\r | |
1340 | Index++\r | |
1341 | ) {\r | |
1342 | if (MenuOption->Tags[Index].Operand == EFI_IFR_ORDERED_LIST_OP) {\r | |
1343 | continue;\r | |
1344 | }\r | |
1345 | \r | |
1346 | if (Key.UnicodeChar == '+') {\r | |
1347 | TempIndex = Index - 1;\r | |
1348 | } else {\r | |
1349 | TempIndex = Index + 1;\r | |
1350 | }\r | |
1351 | //\r | |
1352 | // Is this the current tag we are on?\r | |
1353 | //\r | |
1354 | if (MenuOption->Tags[Index].Value == TempValue) {\r | |
1355 | //\r | |
1356 | // Is this prior tag a valid choice? If not, bail out\r | |
1357 | //\r | |
1358 | if (MenuOption->Tags[TempIndex].Operand == EFI_IFR_ONE_OF_OPTION_OP) {\r | |
1359 | //\r | |
1360 | // Copy the destination tag to the local variable\r | |
1361 | //\r | |
1362 | CopyMem (&TagBackup, &MenuOption->Tags[TempIndex], sizeof (EFI_TAG));\r | |
1363 | //\r | |
1364 | // Copy the current tag to the tag location before us\r | |
1365 | //\r | |
1366 | CopyMem (&MenuOption->Tags[TempIndex], &MenuOption->Tags[Index], sizeof (EFI_TAG));\r | |
1367 | //\r | |
1368 | // Copy the backed up tag to the current location\r | |
1369 | //\r | |
1370 | CopyMem (&MenuOption->Tags[Index], &TagBackup, sizeof (EFI_TAG));\r | |
1371 | \r | |
1372 | //\r | |
1373 | // Adjust the array of values\r | |
1374 | //\r | |
1375 | for (Index = 0; Index < ValueCount; Index++) {\r | |
1376 | if (ValueArrayBackup[Index] == (UINT8) TempValue) {\r | |
1377 | if (Key.UnicodeChar == '+') {\r | |
1378 | if (Index == 0) {\r | |
1379 | //\r | |
1380 | // It is the top of the array already\r | |
1381 | //\r | |
1382 | break;\r | |
1383 | }\r | |
1384 | \r | |
1385 | TempIndex = Index - 1;\r | |
1386 | } else {\r | |
1387 | if ((Index + 1) == ValueCount) {\r | |
1388 | //\r | |
1389 | // It is the bottom of the array already\r | |
1390 | //\r | |
1391 | break;\r | |
1392 | }\r | |
1393 | \r | |
1394 | TempIndex = Index + 1;\r | |
1395 | }\r | |
1396 | \r | |
1397 | ValueBackup = ValueArrayBackup[TempIndex];\r | |
1398 | ValueArrayBackup[TempIndex] = ValueArrayBackup[Index];\r | |
1399 | ValueArrayBackup[Index] = ValueBackup;\r | |
1400 | Initialized = TRUE;\r | |
1401 | break;\r | |
1402 | }\r | |
1403 | }\r | |
1404 | break;\r | |
1405 | } else {\r | |
1406 | break;\r | |
1407 | }\r | |
1408 | }\r | |
1409 | }\r | |
1410 | }\r | |
1411 | break;\r | |
1412 | \r | |
1413 | case CHAR_NULL:\r | |
1414 | switch (Key.ScanCode) {\r | |
1415 | case SCAN_UP:\r | |
1416 | case SCAN_DOWN:\r | |
1417 | if (Key.ScanCode == SCAN_UP) {\r | |
1418 | if ((TopOptionIndex > 1) && (HighlightPosition == (Top + 1))) {\r | |
1419 | //\r | |
1420 | // Highlight reaches the top of the popup window, scroll one menu item.\r | |
1421 | //\r | |
1422 | TopOptionIndex--;\r | |
1423 | ShowDownArrow = TRUE;\r | |
1424 | }\r | |
1425 | \r | |
1426 | if (TopOptionIndex == 1) {\r | |
1427 | ShowUpArrow = FALSE;\r | |
1428 | }\r | |
1429 | } else {\r | |
1430 | if (((TopOptionIndex + MenuLinesInView) <= PopUpMenuLines) && (HighlightPosition == (Bottom - 1))) {\r | |
1431 | //\r | |
1432 | // Highlight reaches the bottom of the popup window, scroll one menu item.\r | |
1433 | //\r | |
1434 | TopOptionIndex++;\r | |
1435 | ShowUpArrow = TRUE;\r | |
1436 | }\r | |
1437 | \r | |
1438 | if ((TopOptionIndex + MenuLinesInView) == (PopUpMenuLines + 1)) {\r | |
1439 | ShowDownArrow = FALSE;\r | |
1440 | }\r | |
1441 | }\r | |
1442 | \r | |
1443 | for (Index = MenuOption->TagIndex + TopOptionIndex;\r | |
1444 | MenuOption->Tags[Index].Operand != EFI_IFR_END_ONE_OF_OP;\r | |
1445 | Index++\r | |
1446 | ) {\r | |
1447 | if (MenuOption->Tags[Index].Operand == EFI_IFR_ONE_OF_OPTION_OP) {\r | |
1448 | if (Initialized) {\r | |
1449 | for (Index = 0; (ValueArrayBackup[Index] != TempValue) && (Index < ValueCount); Index++)\r | |
1450 | ;\r | |
1451 | \r | |
1452 | //\r | |
1453 | // Did we hit the end of the array? Either get the first TempValue or the next one\r | |
1454 | //\r | |
1455 | if (Key.ScanCode == SCAN_UP) {\r | |
1456 | if (Index == 0) {\r | |
1457 | TempValue = ValueArrayBackup[0];\r | |
1458 | } else {\r | |
1459 | TempValue = ValueArrayBackup[Index - 1];\r | |
1460 | }\r | |
1461 | } else {\r | |
1462 | if ((Index + 1) == ValueCount) {\r | |
1463 | TempValue = ValueArrayBackup[Index];\r | |
1464 | } else {\r | |
1465 | TempValue = ValueArrayBackup[Index + 1];\r | |
1466 | }\r | |
1467 | }\r | |
1468 | break;\r | |
1469 | } else {\r | |
1470 | if (Key.ScanCode == SCAN_UP) {\r | |
1471 | TempIndex = Index - 1;\r | |
1472 | \r | |
1473 | //\r | |
1474 | // Keep going until meets meaningful tag.\r | |
1475 | //\r | |
1476 | while ((MenuOption->Tags[TempIndex].Operand != EFI_IFR_ONE_OF_OPTION_OP &&\r | |
1477 | MenuOption->Tags[TempIndex].Operand != EFI_IFR_ONE_OF_OP &&\r | |
1478 | MenuOption->Tags[TempIndex].Operand != EFI_IFR_END_ONE_OF_OP)\r | |
1479 | ||\r | |
1480 | (MenuOption->Tags[TempIndex].Operand == EFI_IFR_ONE_OF_OPTION_OP &&\r | |
1481 | (MenuOption->Tags[TempIndex].Suppress || MenuOption->Tags[TempIndex].GrayOut))) {\r | |
1482 | TempIndex--;\r | |
1483 | }\r | |
1484 | } else {\r | |
1485 | TempIndex = Index + 1;\r | |
1486 | \r | |
1487 | //\r | |
1488 | // Keep going until meets meaningful tag.\r | |
1489 | //\r | |
1490 | while ((MenuOption->Tags[TempIndex].Operand != EFI_IFR_ONE_OF_OPTION_OP &&\r | |
1491 | MenuOption->Tags[TempIndex].Operand != EFI_IFR_ONE_OF_OP &&\r | |
1492 | MenuOption->Tags[TempIndex].Operand != EFI_IFR_END_ONE_OF_OP)\r | |
1493 | ||\r | |
1494 | (MenuOption->Tags[TempIndex].Operand == EFI_IFR_ONE_OF_OPTION_OP &&\r | |
1495 | (MenuOption->Tags[TempIndex].Suppress || MenuOption->Tags[TempIndex].GrayOut))) {\r | |
1496 | TempIndex++;\r | |
1497 | }\r | |
1498 | }\r | |
1499 | //\r | |
1500 | // The option value is the same as what is stored in NV store. This is where we take action\r | |
1501 | //\r | |
1502 | if (MenuOption->Tags[Index].Value == TempValue) {\r | |
1503 | //\r | |
1504 | // Only if the previous op-code is an option can we select it, otherwise we are at the left-most option\r | |
1505 | //\r | |
1506 | if (MenuOption->Tags[TempIndex].Operand == EFI_IFR_ONE_OF_OPTION_OP) {\r | |
1507 | TempValue = MenuOption->Tags[TempIndex].Value;\r | |
1508 | *KeyValue = MenuOption->Tags[TempIndex].Key;\r | |
1509 | } else {\r | |
1510 | TempValue = MenuOption->Tags[Index].Value;\r | |
1511 | *KeyValue = MenuOption->Tags[Index].Key;\r | |
1512 | }\r | |
1513 | break;\r | |
1514 | }\r | |
1515 | }\r | |
1516 | }\r | |
1517 | }\r | |
1518 | break;\r | |
1519 | \r | |
1520 | case SCAN_ESC:\r | |
1521 | gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);\r | |
1522 | if (ValueArrayBackup != NULL) {\r | |
1523 | FreePool (ValueArrayBackup);\r | |
1524 | }\r | |
1525 | \r | |
1526 | return EFI_DEVICE_ERROR;\r | |
1527 | \r | |
1528 | default:\r | |
1529 | break;\r | |
1530 | }\r | |
1531 | \r | |
1532 | break;\r | |
1533 | \r | |
1534 | case CHAR_CARRIAGE_RETURN:\r | |
1535 | //\r | |
1536 | // return the current selection\r | |
1537 | //\r | |
1538 | if (Tag->Operand == EFI_IFR_ORDERED_LIST_OP) {\r | |
1539 | CopyMem (ValueArray, ValueArrayBackup, ValueCount);\r | |
1540 | FreePool (ValueArrayBackup);\r | |
1541 | } else {\r | |
1542 | *Value = TempValue;\r | |
1543 | }\r | |
1544 | \r | |
1545 | goto Done;\r | |
1546 | \r | |
1547 | default:\r | |
1548 | break;\r | |
1549 | }\r | |
1550 | } while (1);\r | |
1551 | \r | |
1552 | Done:\r | |
1553 | gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);\r | |
1554 | return EFI_SUCCESS;\r | |
1555 | }\r | |
1556 | \r | |
1557 | EFI_STATUS\r | |
1558 | WaitForKeyStroke (\r | |
1559 | OUT EFI_INPUT_KEY *Key\r | |
1560 | )\r | |
1561 | {\r | |
1562 | EFI_STATUS Status;\r | |
1563 | \r | |
1564 | do {\r | |
1565 | UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0);\r | |
1566 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, Key);\r | |
1567 | } while (EFI_ERROR(Status));\r | |
1568 | \r | |
1569 | return Status;\r | |
1570 | }\r |