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7936fb6a 1/** @file\r
2Utility functions for User Interface functions.\r
3\r
19b15d63 4Copyright (c) 2004 - 2008, Intel Corporation\r
7936fb6a 5All rights reserved. This program and the accompanying materials\r
6are licensed and made available under the terms and conditions of the BSD License\r
7which accompanies this distribution. The full text of the license may be found at\r
8http://opensource.org/licenses/bsd-license.php\r
9\r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#include "Ui.h"\r
16#include "Setup.h"\r
17\r
18LIST_ENTRY Menu;\r
19LIST_ENTRY gMenuList;\r
20MENU_REFRESH_ENTRY *gMenuRefreshHead;\r
21\r
22//\r
23// Search table for UiDisplayMenu()\r
24//\r
25SCAN_CODE_TO_SCREEN_OPERATION gScanCodeToOperation[] = {\r
26 {\r
27 SCAN_UP,\r
28 UiUp,\r
29 },\r
30 {\r
31 SCAN_DOWN,\r
32 UiDown,\r
33 },\r
34 {\r
35 SCAN_PAGE_UP,\r
36 UiPageUp,\r
37 },\r
38 {\r
39 SCAN_PAGE_DOWN,\r
40 UiPageDown,\r
41 },\r
42 {\r
43 SCAN_ESC,\r
44 UiReset,\r
45 },\r
46 {\r
47 SCAN_F2,\r
48 UiPrevious,\r
49 },\r
50 {\r
51 SCAN_LEFT,\r
52 UiLeft,\r
53 },\r
54 {\r
55 SCAN_RIGHT,\r
56 UiRight,\r
57 },\r
58 {\r
59 SCAN_F9,\r
60 UiDefault,\r
61 },\r
62 {\r
63 SCAN_F10,\r
64 UiSave\r
65 }\r
66};\r
67\r
68SCREEN_OPERATION_T0_CONTROL_FLAG gScreenOperationToControlFlag[] = {\r
69 {\r
70 UiNoOperation,\r
71 CfUiNoOperation,\r
72 },\r
73 {\r
74 UiDefault,\r
75 CfUiDefault,\r
76 },\r
77 {\r
78 UiSelect,\r
79 CfUiSelect,\r
80 },\r
81 {\r
82 UiUp,\r
83 CfUiUp,\r
84 },\r
85 {\r
86 UiDown,\r
87 CfUiDown,\r
88 },\r
89 {\r
90 UiLeft,\r
91 CfUiLeft,\r
92 },\r
93 {\r
94 UiRight,\r
95 CfUiRight,\r
96 },\r
97 {\r
98 UiReset,\r
99 CfUiReset,\r
100 },\r
101 {\r
102 UiSave,\r
103 CfUiSave,\r
104 },\r
105 {\r
106 UiPrevious,\r
107 CfUiPrevious,\r
108 },\r
109 {\r
110 UiPageUp,\r
111 CfUiPageUp,\r
112 },\r
113 {\r
114 UiPageDown,\r
115 CfUiPageDown\r
116 }\r
117};\r
118\r
19b15d63 119BOOLEAN mInputError;\r
aa79b0b3 120BOOLEAN GetLineByWidthFinished = FALSE;\r
19b15d63 121\r
7936fb6a 122\r
123/**\r
124 Set Buffer to Value for Size bytes.\r
125\r
126 @param Buffer Memory to set.\r
127 @param Size Number of bytes to set\r
128 @param Value Value of the set operation.\r
129\r
2e95d2b7 130 @return Value.\r
131\r
7936fb6a 132**/\r
133VOID\r
134SetUnicodeMem (\r
135 IN VOID *Buffer,\r
136 IN UINTN Size,\r
137 IN CHAR16 Value\r
138 )\r
139{\r
140 CHAR16 *Ptr;\r
141\r
142 Ptr = Buffer;\r
143 while ((Size--) != 0) {\r
144 *(Ptr++) = Value;\r
145 }\r
146}\r
147\r
148\r
149/**\r
150 Initialize Menu option list.\r
151\r
152**/\r
153VOID\r
154UiInitMenu (\r
155 VOID\r
156 )\r
157{\r
158 InitializeListHead (&Menu);\r
159}\r
160\r
161\r
162/**\r
163 Initialize Menu option list.\r
164\r
165**/\r
166VOID\r
167UiInitMenuList (\r
168 VOID\r
169 )\r
170{\r
171 InitializeListHead (&gMenuList);\r
172}\r
173\r
174\r
175/**\r
176 Remove a Menu in list, and return FormId/QuestionId for previous Menu.\r
177\r
178 @param Selection Menu selection.\r
179\r
180**/\r
181VOID\r
182UiRemoveMenuListEntry (\r
183 OUT UI_MENU_SELECTION *Selection\r
184 )\r
185{\r
186 UI_MENU_LIST *UiMenuList;\r
187\r
188 if (!IsListEmpty (&gMenuList)) {\r
189 UiMenuList = CR (gMenuList.ForwardLink, UI_MENU_LIST, MenuLink, UI_MENU_LIST_SIGNATURE);\r
190\r
191 Selection->FormId = UiMenuList->FormId;\r
192 Selection->QuestionId = UiMenuList->QuestionId;\r
193 RemoveEntryList (&UiMenuList->MenuLink);\r
f4113e1f 194 FreePool (UiMenuList);\r
7936fb6a 195 }\r
196}\r
197\r
198\r
199/**\r
200 Free Menu option linked list.\r
201\r
202**/\r
203VOID\r
204UiFreeMenuList (\r
205 VOID\r
206 )\r
207{\r
208 UI_MENU_LIST *UiMenuList;\r
209\r
210 while (!IsListEmpty (&gMenuList)) {\r
211 UiMenuList = CR (gMenuList.ForwardLink, UI_MENU_LIST, MenuLink, UI_MENU_LIST_SIGNATURE);\r
212 RemoveEntryList (&UiMenuList->MenuLink);\r
f4113e1f 213 FreePool (UiMenuList);\r
7936fb6a 214 }\r
215}\r
216\r
217\r
218/**\r
219 Add one menu entry to the linked lst\r
220\r
221 @param Selection Menu selection.\r
222\r
223**/\r
224VOID\r
225UiAddMenuListEntry (\r
226 IN UI_MENU_SELECTION *Selection\r
227 )\r
228{\r
229 UI_MENU_LIST *UiMenuList;\r
230\r
231 UiMenuList = AllocateZeroPool (sizeof (UI_MENU_LIST));\r
232 ASSERT (UiMenuList != NULL);\r
233\r
234 UiMenuList->Signature = UI_MENU_LIST_SIGNATURE;\r
235 UiMenuList->FormId = Selection->FormId;\r
236 UiMenuList->QuestionId = Selection->QuestionId;\r
237\r
238 InsertHeadList (&gMenuList, &UiMenuList->MenuLink);\r
239}\r
240\r
241\r
242/**\r
243 Free Menu option linked list.\r
244\r
245**/\r
246VOID\r
247UiFreeMenu (\r
248 VOID\r
249 )\r
250{\r
251 UI_MENU_OPTION *MenuOption;\r
252\r
253 while (!IsListEmpty (&Menu)) {\r
254 MenuOption = MENU_OPTION_FROM_LINK (Menu.ForwardLink);\r
255 RemoveEntryList (&MenuOption->Link);\r
256\r
257 //\r
258 // We allocated space for this description when we did a GetToken, free it here\r
259 //\r
260 if (MenuOption->Skip != 0) {\r
261 //\r
262 // For date/time, MenuOption->Description is shared by three Menu Options\r
263 // Data format : [01/02/2004] [11:22:33]\r
264 // Line number : 0 0 1 0 0 1\r
265 //\r
f4113e1f 266 FreePool (MenuOption->Description);\r
7936fb6a 267 }\r
f4113e1f 268 FreePool (MenuOption);\r
7936fb6a 269 }\r
270}\r
271\r
272\r
273/**\r
274 Free Menu option linked list.\r
275\r
276**/\r
277VOID\r
278UiFreeRefreshList (\r
279 VOID\r
280 )\r
281{\r
282 MENU_REFRESH_ENTRY *OldMenuRefreshEntry;\r
283\r
284 while (gMenuRefreshHead != NULL) {\r
285 OldMenuRefreshEntry = gMenuRefreshHead->Next;\r
f4113e1f 286 FreePool (gMenuRefreshHead);\r
7936fb6a 287 gMenuRefreshHead = OldMenuRefreshEntry;\r
288 }\r
289\r
290 gMenuRefreshHead = NULL;\r
291}\r
292\r
293\r
294\r
295/**\r
296 Refresh screen.\r
297\r
298**/\r
8d00a0f1 299EFI_STATUS\r
7936fb6a 300RefreshForm (\r
301 VOID\r
302 )\r
303{\r
8d00a0f1 304 CHAR16 *OptionString;\r
305 MENU_REFRESH_ENTRY *MenuRefreshEntry;\r
306 UINTN Index;\r
307 EFI_STATUS Status;\r
308 UI_MENU_SELECTION *Selection;\r
309 FORM_BROWSER_STATEMENT *Question;\r
310 EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r
311 EFI_HII_VALUE *HiiValue;\r
312 EFI_BROWSER_ACTION_REQUEST ActionRequest;\r
7936fb6a 313\r
314 if (gMenuRefreshHead != NULL) {\r
315\r
316 MenuRefreshEntry = gMenuRefreshHead;\r
317\r
8d00a0f1 318 //\r
319 // Reset FormPackage update flag\r
320 //\r
321 mHiiPackageListUpdated = FALSE;\r
322\r
7936fb6a 323 do {\r
324 gST->ConOut->SetAttribute (gST->ConOut, MenuRefreshEntry->CurrentAttribute);\r
325\r
326 Selection = MenuRefreshEntry->Selection;\r
327 Question = MenuRefreshEntry->MenuOption->ThisTag;\r
328\r
8d00a0f1 329 Status = GetQuestionValue (Selection->FormSet, Selection->Form, Question, FALSE);\r
330 if (EFI_ERROR (Status)) {\r
331 return Status;\r
332 }\r
333\r
334 OptionString = NULL;\r
335 ProcessOptions (Selection, MenuRefreshEntry->MenuOption, FALSE, &OptionString);\r
336\r
337 if (OptionString != NULL) {\r
338 //\r
339 // If leading spaces on OptionString - remove the spaces\r
340 //\r
341 for (Index = 0; OptionString[Index] == L' '; Index++)\r
342 ;\r
343\r
344 PrintStringAt (MenuRefreshEntry->CurrentColumn, MenuRefreshEntry->CurrentRow, &OptionString[Index]);\r
f4113e1f 345 FreePool (OptionString);\r
8d00a0f1 346 }\r
347\r
7936fb6a 348 //\r
8d00a0f1 349 // Question value may be changed, need invoke its Callback()\r
7936fb6a 350 //\r
8d00a0f1 351 ConfigAccess = Selection->FormSet->ConfigAccess;\r
7064c0a5 352 if (((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) && (ConfigAccess != NULL)) {\r
8d00a0f1 353 ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
7936fb6a 354\r
8d00a0f1 355 HiiValue = &Question->HiiValue;\r
356 if (HiiValue->Type == EFI_IFR_TYPE_STRING) {\r
357 //\r
358 // Create String in HII database for Configuration Driver to retrieve\r
359 //\r
360 HiiValue->Value.string = NewString ((CHAR16 *) Question->BufferValue, Selection->FormSet->HiiHandle);\r
7936fb6a 361 }\r
362\r
8d00a0f1 363 Status = ConfigAccess->Callback (\r
364 ConfigAccess,\r
365 EFI_BROWSER_ACTION_CHANGING,\r
366 Question->QuestionId,\r
367 HiiValue->Type,\r
368 &HiiValue->Value,\r
369 &ActionRequest\r
370 );\r
7936fb6a 371\r
8d00a0f1 372 if (HiiValue->Type == EFI_IFR_TYPE_STRING) {\r
7936fb6a 373 //\r
8d00a0f1 374 // Clean the String in HII Database\r
7936fb6a 375 //\r
8d00a0f1 376 DeleteString (HiiValue->Value.string, Selection->FormSet->HiiHandle);\r
377 }\r
7936fb6a 378\r
8d00a0f1 379 if (!EFI_ERROR (Status)) {\r
380 switch (ActionRequest) {\r
381 case EFI_BROWSER_ACTION_REQUEST_RESET:\r
382 gResetRequired = TRUE;\r
383 break;\r
7936fb6a 384\r
8d00a0f1 385 case EFI_BROWSER_ACTION_REQUEST_SUBMIT:\r
386 SubmitForm (Selection->FormSet, Selection->Form);\r
387 break;\r
7936fb6a 388\r
8d00a0f1 389 case EFI_BROWSER_ACTION_REQUEST_EXIT:\r
390 Selection->Action = UI_ACTION_EXIT;\r
391 gNvUpdateRequired = FALSE;\r
392 break;\r
393\r
394 default:\r
395 break;\r
396 }\r
7936fb6a 397 }\r
398 }\r
399\r
400 MenuRefreshEntry = MenuRefreshEntry->Next;\r
401\r
402 } while (MenuRefreshEntry != NULL);\r
8d00a0f1 403\r
404 if (mHiiPackageListUpdated) {\r
405 //\r
406 // Package list is updated, force to reparse IFR binary of target Formset\r
407 //\r
408 mHiiPackageListUpdated = FALSE;\r
409 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
410 return EFI_SUCCESS;\r
411 }\r
7936fb6a 412 }\r
8d00a0f1 413\r
414 return EFI_TIMEOUT;\r
7936fb6a 415}\r
416\r
417\r
418/**\r
419 Wait for a given event to fire, or for an optional timeout to expire.\r
420\r
421 @param Event The event to wait for\r
422 @param Timeout An optional timeout value in 100 ns units.\r
423 @param RefreshInterval Menu refresh interval (in seconds).\r
424\r
425 @retval EFI_SUCCESS Event fired before Timeout expired.\r
426 @retval EFI_TIME_OUT Timout expired before Event fired.\r
427\r
428**/\r
429EFI_STATUS\r
430UiWaitForSingleEvent (\r
431 IN EFI_EVENT Event,\r
432 IN UINT64 Timeout, OPTIONAL\r
433 IN UINT8 RefreshInterval OPTIONAL\r
434 )\r
435{\r
436 EFI_STATUS Status;\r
437 UINTN Index;\r
438 EFI_EVENT TimerEvent;\r
439 EFI_EVENT WaitList[2];\r
440\r
441 if (Timeout != 0) {\r
442 //\r
443 // Create a timer event\r
444 //\r
445 Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);\r
446 if (!EFI_ERROR (Status)) {\r
447 //\r
448 // Set the timer event\r
449 //\r
450 gBS->SetTimer (\r
451 TimerEvent,\r
452 TimerRelative,\r
453 Timeout\r
454 );\r
455\r
456 //\r
457 // Wait for the original event or the timer\r
458 //\r
459 WaitList[0] = Event;\r
460 WaitList[1] = TimerEvent;\r
461 Status = gBS->WaitForEvent (2, WaitList, &Index);\r
462 gBS->CloseEvent (TimerEvent);\r
463\r
464 //\r
465 // If the timer expired, change the return to timed out\r
466 //\r
467 if (!EFI_ERROR (Status) && Index == 1) {\r
468 Status = EFI_TIMEOUT;\r
469 }\r
470 }\r
471 } else {\r
472 //\r
473 // Update screen every second\r
474 //\r
475 if (RefreshInterval == 0) {\r
476 Timeout = ONE_SECOND;\r
477 } else {\r
478 Timeout = RefreshInterval * ONE_SECOND;\r
479 }\r
480\r
481 do {\r
482 Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);\r
483\r
484 //\r
485 // Set the timer event\r
486 //\r
487 gBS->SetTimer (\r
488 TimerEvent,\r
489 TimerRelative,\r
490 Timeout\r
491 );\r
492\r
493 //\r
494 // Wait for the original event or the timer\r
495 //\r
496 WaitList[0] = Event;\r
497 WaitList[1] = TimerEvent;\r
498 Status = gBS->WaitForEvent (2, WaitList, &Index);\r
499\r
500 //\r
501 // If the timer expired, update anything that needs a refresh and keep waiting\r
502 //\r
503 if (!EFI_ERROR (Status) && Index == 1) {\r
504 Status = EFI_TIMEOUT;\r
505 if (RefreshInterval != 0) {\r
8d00a0f1 506 Status = RefreshForm ();\r
7936fb6a 507 }\r
508 }\r
509\r
510 gBS->CloseEvent (TimerEvent);\r
511 } while (Status == EFI_TIMEOUT);\r
512 }\r
513\r
514 return Status;\r
515}\r
516\r
517\r
518/**\r
519 Add one menu option by specified description and context.\r
520\r
521 @param String String description for this option.\r
522 @param Handle Hii handle for the package list.\r
523 @param Statement Statement of this Menu Option.\r
524 @param NumberOfLines Display lines for this Menu Option.\r
525 @param MenuItemCount The index for this Option in the Menu.\r
526\r
527**/\r
528VOID\r
529UiAddMenuOption (\r
530 IN CHAR16 *String,\r
531 IN EFI_HII_HANDLE Handle,\r
532 IN FORM_BROWSER_STATEMENT *Statement,\r
533 IN UINT16 NumberOfLines,\r
534 IN UINT16 MenuItemCount\r
535 )\r
536{\r
537 UI_MENU_OPTION *MenuOption;\r
538 UINTN Index;\r
539 UINTN Count;\r
540\r
541 Count = 1;\r
542\r
543 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
544 //\r
545 // Add three MenuOptions for Date/Time\r
546 // Data format : [01/02/2004] [11:22:33]\r
547 // Line number : 0 0 1 0 0 1\r
548 //\r
549 NumberOfLines = 0;\r
550 Count = 3;\r
551\r
552 if (Statement->Storage == NULL) {\r
553 //\r
554 // For RTC type of date/time, set default refresh interval to be 1 second\r
555 //\r
556 if (Statement->RefreshInterval == 0) {\r
557 Statement->RefreshInterval = 1;\r
558 }\r
559 }\r
560 }\r
561\r
562 for (Index = 0; Index < Count; Index++) {\r
563 MenuOption = AllocateZeroPool (sizeof (UI_MENU_OPTION));\r
564 ASSERT (MenuOption);\r
565\r
566 MenuOption->Signature = UI_MENU_OPTION_SIGNATURE;\r
567 MenuOption->Description = String;\r
568 MenuOption->Handle = Handle;\r
569 MenuOption->ThisTag = Statement;\r
570 MenuOption->EntryNumber = MenuItemCount;\r
571\r
572 if (Index == 2) {\r
573 //\r
574 // Override LineNumber for the MenuOption in Date/Time sequence\r
575 //\r
576 MenuOption->Skip = 1;\r
577 } else {\r
578 MenuOption->Skip = NumberOfLines;\r
579 }\r
580 MenuOption->Sequence = Index;\r
581\r
582 if (Statement->GrayOutExpression != NULL) {\r
583 MenuOption->GrayOut = Statement->GrayOutExpression->Result.Value.b;\r
584 }\r
585\r
586 if ((Statement->ValueExpression != NULL) ||\r
587 ((Statement->QuestionFlags & EFI_IFR_FLAG_READ_ONLY) != 0)) {\r
588 MenuOption->ReadOnly = TRUE;\r
589 }\r
590\r
591 InsertTailList (&Menu, &MenuOption->Link);\r
592 }\r
593}\r
594\r
595\r
596/**\r
597 Routine used to abstract a generic dialog interface and return the selected key or string\r
598\r
599 @param NumberOfLines The number of lines for the dialog box\r
600 @param HotKey Defines whether a single character is parsed\r
601 (TRUE) and returned in KeyValue or a string is\r
602 returned in StringBuffer. Two special characters\r
603 are considered when entering a string, a SCAN_ESC\r
604 and an CHAR_CARRIAGE_RETURN. SCAN_ESC terminates\r
605 string input and returns\r
606 @param MaximumStringSize The maximum size in bytes of a typed in string\r
607 (each character is a CHAR16) and the minimum\r
608 string returned is two bytes\r
609 @param StringBuffer The passed in pointer to the buffer which will\r
610 hold the typed in string if HotKey is FALSE\r
611 @param KeyValue The EFI_KEY value returned if HotKey is TRUE..\r
7936fb6a 612 @param ... A series of (quantity == NumberOfLines) text\r
613 strings which will be used to construct the dialog\r
614 box\r
615\r
616 @retval EFI_SUCCESS Displayed dialog and received user interaction\r
617 @retval EFI_INVALID_PARAMETER One of the parameters was invalid (e.g.\r
618 (StringBuffer == NULL) && (HotKey == FALSE))\r
619 @retval EFI_DEVICE_ERROR User typed in an ESC character to exit the routine\r
620\r
621**/\r
622EFI_STATUS\r
623CreateDialog (\r
624 IN UINTN NumberOfLines,\r
625 IN BOOLEAN HotKey,\r
626 IN UINTN MaximumStringSize,\r
627 OUT CHAR16 *StringBuffer,\r
628 OUT EFI_INPUT_KEY *KeyValue,\r
7936fb6a 629 ...\r
630 )\r
631{\r
632 VA_LIST Marker;\r
f4bcc90f 633 VA_LIST MarkerBackup;\r
7936fb6a 634 UINTN Count;\r
635 EFI_INPUT_KEY Key;\r
636 UINTN LargestString;\r
637 CHAR16 *TempString;\r
638 CHAR16 *BufferedString;\r
639 CHAR16 *StackString;\r
640 CHAR16 KeyPad[2];\r
641 UINTN Start;\r
642 UINTN Top;\r
643 UINTN Index;\r
644 EFI_STATUS Status;\r
645 BOOLEAN SelectionComplete;\r
646 UINTN InputOffset;\r
647 UINTN CurrentAttribute;\r
648 UINTN DimensionsWidth;\r
649 UINTN DimensionsHeight;\r
650\r
651 DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r
652 DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;\r
653\r
654 SelectionComplete = FALSE;\r
655 InputOffset = 0;\r
656 TempString = AllocateZeroPool (MaximumStringSize * 2);\r
657 BufferedString = AllocateZeroPool (MaximumStringSize * 2);\r
658 CurrentAttribute = gST->ConOut->Mode->Attribute;\r
659\r
660 ASSERT (TempString);\r
661 ASSERT (BufferedString);\r
662\r
f4bcc90f 663 VA_START (Marker, KeyValue);\r
664 MarkerBackup = Marker;\r
7936fb6a 665\r
666 //\r
667 // Zero the outgoing buffer\r
668 //\r
669 ZeroMem (StringBuffer, MaximumStringSize);\r
670\r
671 if (HotKey) {\r
672 if (KeyValue == NULL) {\r
673 return EFI_INVALID_PARAMETER;\r
674 }\r
675 } else {\r
676 if (StringBuffer == NULL) {\r
677 return EFI_INVALID_PARAMETER;\r
678 }\r
679 }\r
680 //\r
681 // Disable cursor\r
682 //\r
683 gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r
684\r
f4bcc90f 685 LargestString = 0;\r
7936fb6a 686\r
7936fb6a 687 //\r
688 // Determine the largest string in the dialog box\r
689 // Notice we are starting with 1 since String is the first string\r
690 //\r
f4bcc90f 691 for (Count = 0; Count < NumberOfLines; Count++) {\r
7936fb6a 692 StackString = VA_ARG (Marker, CHAR16 *);\r
693\r
694 if (StackString[0] == L' ') {\r
695 InputOffset = Count + 1;\r
696 }\r
697\r
698 if ((GetStringWidth (StackString) / 2) > LargestString) {\r
699 //\r
700 // Size of the string visually and subtract the width by one for the null-terminator\r
701 //\r
702 LargestString = (GetStringWidth (StackString) / 2);\r
703 }\r
704 }\r
705\r
706 Start = (DimensionsWidth - LargestString - 2) / 2 + gScreenDimensions.LeftColumn + 1;\r
707 Top = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1;\r
708\r
709 Count = 0;\r
710\r
711 //\r
712 // Display the Popup\r
713 //\r
f4bcc90f 714 CreateSharedPopUp (LargestString, NumberOfLines, MarkerBackup);\r
7936fb6a 715\r
716 //\r
717 // Take the first key typed and report it back?\r
718 //\r
719 if (HotKey) {\r
720 Status = WaitForKeyStroke (&Key);\r
721 ASSERT_EFI_ERROR (Status);\r
722 CopyMem (KeyValue, &Key, sizeof (EFI_INPUT_KEY));\r
723\r
724 } else {\r
725 do {\r
726 Status = WaitForKeyStroke (&Key);\r
727\r
728 switch (Key.UnicodeChar) {\r
729 case CHAR_NULL:\r
730 switch (Key.ScanCode) {\r
731 case SCAN_ESC:\r
f4113e1f 732 FreePool (TempString);\r
733 FreePool (BufferedString);\r
7936fb6a 734 gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
735 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
736 return EFI_DEVICE_ERROR;\r
737\r
738 default:\r
739 break;\r
740 }\r
741\r
742 break;\r
743\r
744 case CHAR_CARRIAGE_RETURN:\r
745 SelectionComplete = TRUE;\r
f4113e1f 746 FreePool (TempString);\r
747 FreePool (BufferedString);\r
7936fb6a 748 gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
749 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
750 return EFI_SUCCESS;\r
751 break;\r
752\r
753 case CHAR_BACKSPACE:\r
754 if (StringBuffer[0] != CHAR_NULL) {\r
755 for (Index = 0; StringBuffer[Index] != CHAR_NULL; Index++) {\r
756 TempString[Index] = StringBuffer[Index];\r
757 }\r
758 //\r
759 // Effectively truncate string by 1 character\r
760 //\r
761 TempString[Index - 1] = CHAR_NULL;\r
762 StrCpy (StringBuffer, TempString);\r
763 }\r
764\r
765 default:\r
766 //\r
767 // If it is the beginning of the string, don't worry about checking maximum limits\r
768 //\r
769 if ((StringBuffer[0] == CHAR_NULL) && (Key.UnicodeChar != CHAR_BACKSPACE)) {\r
770 StrnCpy (StringBuffer, &Key.UnicodeChar, 1);\r
771 StrnCpy (TempString, &Key.UnicodeChar, 1);\r
772 } else if ((GetStringWidth (StringBuffer) < MaximumStringSize) && (Key.UnicodeChar != CHAR_BACKSPACE)) {\r
773 KeyPad[0] = Key.UnicodeChar;\r
774 KeyPad[1] = CHAR_NULL;\r
775 StrCat (StringBuffer, KeyPad);\r
776 StrCat (TempString, KeyPad);\r
777 }\r
778 //\r
779 // If the width of the input string is now larger than the screen, we nee to\r
780 // adjust the index to start printing portions of the string\r
781 //\r
782 SetUnicodeMem (BufferedString, LargestString, L' ');\r
783\r
784 PrintStringAt (Start + 1, Top + InputOffset, BufferedString);\r
785\r
786 if ((GetStringWidth (StringBuffer) / 2) > (DimensionsWidth - 2)) {\r
787 Index = (GetStringWidth (StringBuffer) / 2) - DimensionsWidth + 2;\r
788 } else {\r
789 Index = 0;\r
790 }\r
791\r
792 for (Count = 0; Index + 1 < GetStringWidth (StringBuffer) / 2; Index++, Count++) {\r
793 BufferedString[Count] = StringBuffer[Index];\r
794 }\r
795\r
796 PrintStringAt (Start + 1, Top + InputOffset, BufferedString);\r
797 break;\r
798 }\r
799 } while (!SelectionComplete);\r
800 }\r
801\r
802 gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
803 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
804 return EFI_SUCCESS;\r
805}\r
806\r
807/**\r
808 Draw a pop up windows based on the dimension, number of lines and\r
809 strings specified.\r
810\r
811 @param RequestedWidth The width of the pop-up.\r
812 @param NumberOfLines The number of lines.\r
f4bcc90f 813 @param Marker The variable argument list for the list of string to be printed.\r
7936fb6a 814\r
815**/\r
816VOID\r
817CreateSharedPopUp (\r
818 IN UINTN RequestedWidth,\r
819 IN UINTN NumberOfLines,\r
f4bcc90f 820 IN VA_LIST Marker\r
7936fb6a 821 )\r
822{\r
823 UINTN Index;\r
824 UINTN Count;\r
825 CHAR16 Character;\r
826 UINTN Start;\r
827 UINTN End;\r
828 UINTN Top;\r
829 UINTN Bottom;\r
830 CHAR16 *String;\r
831 UINTN DimensionsWidth;\r
832 UINTN DimensionsHeight;\r
833\r
834 DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r
835 DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;\r
836\r
7936fb6a 837 gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r
838\r
839 if ((RequestedWidth + 2) > DimensionsWidth) {\r
840 RequestedWidth = DimensionsWidth - 2;\r
841 }\r
842\r
843 //\r
844 // Subtract the PopUp width from total Columns, allow for one space extra on\r
845 // each end plus a border.\r
846 //\r
847 Start = (DimensionsWidth - RequestedWidth - 2) / 2 + gScreenDimensions.LeftColumn + 1;\r
848 End = Start + RequestedWidth + 1;\r
849\r
850 Top = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1;\r
851 Bottom = Top + NumberOfLines + 2;\r
852\r
853 Character = BOXDRAW_DOWN_RIGHT;\r
854 PrintCharAt (Start, Top, Character);\r
855 Character = BOXDRAW_HORIZONTAL;\r
856 for (Index = Start; Index + 2 < End; Index++) {\r
857 PrintChar (Character);\r
858 }\r
859\r
860 Character = BOXDRAW_DOWN_LEFT;\r
861 PrintChar (Character);\r
862 Character = BOXDRAW_VERTICAL;\r
f4bcc90f 863\r
864 Count = 0;\r
865 for (Index = Top; Index + 2 < Bottom; Index++, Count++) {\r
866 String = VA_ARG (Marker, CHAR16*);\r
7936fb6a 867\r
868 //\r
869 // This will clear the background of the line - we never know who might have been\r
870 // here before us. This differs from the next clear in that it used the non-reverse\r
871 // video for normal printing.\r
872 //\r
873 if (GetStringWidth (String) / 2 > 1) {\r
874 ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND);\r
875 }\r
876\r
877 //\r
878 // Passing in a space results in the assumption that this is where typing will occur\r
879 //\r
880 if (String[0] == L' ') {\r
881 ClearLines (Start + 1, End - 1, Index + 1, Index + 1, POPUP_INVERSE_TEXT | POPUP_INVERSE_BACKGROUND);\r
882 }\r
883\r
884 //\r
885 // Passing in a NULL results in a blank space\r
886 //\r
887 if (String[0] == CHAR_NULL) {\r
888 ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND);\r
889 }\r
890\r
891 PrintStringAt (\r
892 ((DimensionsWidth - GetStringWidth (String) / 2) / 2) + gScreenDimensions.LeftColumn + 1,\r
893 Index + 1,\r
894 String\r
895 );\r
896 gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r
897 PrintCharAt (Start, Index + 1, Character);\r
898 PrintCharAt (End - 1, Index + 1, Character);\r
899 }\r
900\r
901 Character = BOXDRAW_UP_RIGHT;\r
902 PrintCharAt (Start, Bottom - 1, Character);\r
903 Character = BOXDRAW_HORIZONTAL;\r
904 for (Index = Start; Index + 2 < End; Index++) {\r
905 PrintChar (Character);\r
906 }\r
907\r
908 Character = BOXDRAW_UP_LEFT;\r
909 PrintChar (Character);\r
910}\r
911\r
912/**\r
913 Draw a pop up windows based on the dimension, number of lines and\r
914 strings specified.\r
915\r
916 @param RequestedWidth The width of the pop-up.\r
917 @param NumberOfLines The number of lines.\r
7936fb6a 918 @param ... A series of text strings that displayed in the pop-up.\r
919\r
920**/\r
921VOID\r
922CreatePopUp (\r
923 IN UINTN RequestedWidth,\r
924 IN UINTN NumberOfLines,\r
7936fb6a 925 ...\r
926 )\r
927{\r
f4bcc90f 928 VA_LIST Marker;\r
929\r
930 VA_START (Marker, NumberOfLines);\r
931 \r
932 CreateSharedPopUp (RequestedWidth, NumberOfLines, Marker);\r
933\r
934 VA_END (Marker);\r
7936fb6a 935}\r
936\r
937\r
938/**\r
939 Update status bar on the bottom of menu.\r
940\r
941 @param MessageType The type of message to be shown.\r
942 @param Flags The flags in Question header.\r
943 @param State Set or clear.\r
944\r
945**/\r
946VOID\r
947UpdateStatusBar (\r
948 IN UINTN MessageType,\r
949 IN UINT8 Flags,\r
950 IN BOOLEAN State\r
951 )\r
952{\r
953 UINTN Index;\r
7936fb6a 954 CHAR16 *NvUpdateMessage;\r
955 CHAR16 *InputErrorMessage;\r
956\r
957 NvUpdateMessage = GetToken (STRING_TOKEN (NV_UPDATE_MESSAGE), gHiiHandle);\r
958 InputErrorMessage = GetToken (STRING_TOKEN (INPUT_ERROR_MESSAGE), gHiiHandle);\r
959\r
960 switch (MessageType) {\r
961 case INPUT_ERROR:\r
962 if (State) {\r
963 gST->ConOut->SetAttribute (gST->ConOut, ERROR_TEXT);\r
964 PrintStringAt (\r
965 gScreenDimensions.LeftColumn + gPromptBlockWidth,\r
966 gScreenDimensions.BottomRow - 1,\r
967 InputErrorMessage\r
968 );\r
19b15d63 969 mInputError = TRUE;\r
7936fb6a 970 } else {\r
971 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT);\r
972 for (Index = 0; Index < (GetStringWidth (InputErrorMessage) - 2) / 2; Index++) {\r
973 PrintAt (gScreenDimensions.LeftColumn + gPromptBlockWidth + Index, gScreenDimensions.BottomRow - 1, L" ");\r
974 }\r
975\r
19b15d63 976 mInputError = FALSE;\r
7936fb6a 977 }\r
978 break;\r
979\r
980 case NV_UPDATE_REQUIRED:\r
981 if (gClassOfVfr != EFI_FRONT_PAGE_SUBCLASS) {\r
982 if (State) {\r
983 gST->ConOut->SetAttribute (gST->ConOut, INFO_TEXT);\r
984 PrintStringAt (\r
985 gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth,\r
986 gScreenDimensions.BottomRow - 1,\r
987 NvUpdateMessage\r
988 );\r
989 gResetRequired = (BOOLEAN) (gResetRequired | ((Flags & EFI_IFR_FLAG_RESET_REQUIRED) == EFI_IFR_FLAG_RESET_REQUIRED));\r
990\r
991 gNvUpdateRequired = TRUE;\r
992 } else {\r
993 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT);\r
994 for (Index = 0; Index < (GetStringWidth (NvUpdateMessage) - 2) / 2; Index++) {\r
995 PrintAt (\r
996 (gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + Index),\r
997 gScreenDimensions.BottomRow - 1,\r
998 L" "\r
999 );\r
1000 }\r
1001\r
1002 gNvUpdateRequired = FALSE;\r
1003 }\r
1004 }\r
1005 break;\r
1006\r
1007 case REFRESH_STATUS_BAR:\r
19b15d63 1008 if (mInputError) {\r
7936fb6a 1009 UpdateStatusBar (INPUT_ERROR, Flags, TRUE);\r
1010 }\r
1011\r
1012 if (gNvUpdateRequired) {\r
1013 UpdateStatusBar (NV_UPDATE_REQUIRED, Flags, TRUE);\r
1014 }\r
1015 break;\r
1016\r
1017 default:\r
1018 break;\r
1019 }\r
1020\r
f4113e1f 1021 FreePool (InputErrorMessage);\r
1022 FreePool (NvUpdateMessage);\r
7936fb6a 1023 return ;\r
1024}\r
1025\r
1026\r
1027/**\r
1028 Get the supported width for a particular op-code\r
1029\r
1030 @param Statement The FORM_BROWSER_STATEMENT structure passed in.\r
1031 @param Handle The handle in the HII database being used\r
1032\r
1033 @return Returns the number of CHAR16 characters that is support.\r
1034\r
1035**/\r
1036UINT16\r
1037GetWidth (\r
1038 IN FORM_BROWSER_STATEMENT *Statement,\r
1039 IN EFI_HII_HANDLE Handle\r
1040 )\r
1041{\r
1042 CHAR16 *String;\r
1043 UINTN Size;\r
1044 UINT16 Width;\r
1045\r
1046 Size = 0;\r
1047\r
1048 //\r
1049 // See if the second text parameter is really NULL\r
1050 //\r
1051 if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) {\r
1052 String = GetToken (Statement->TextTwo, Handle);\r
1053 Size = StrLen (String);\r
f4113e1f 1054 FreePool (String);\r
7936fb6a 1055 }\r
1056\r
1057 if ((Statement->Operand == EFI_IFR_SUBTITLE_OP) ||\r
1058 (Statement->Operand == EFI_IFR_REF_OP) ||\r
1059 (Statement->Operand == EFI_IFR_PASSWORD_OP) ||\r
1060 (Statement->Operand == EFI_IFR_ACTION_OP) ||\r
1061 (Statement->Operand == EFI_IFR_RESET_BUTTON_OP) ||\r
1062 //\r
1063 // Allow a wide display if text op-code and no secondary text op-code\r
1064 //\r
1065 ((Statement->Operand == EFI_IFR_TEXT_OP) && (Size == 0))\r
1066 ) {\r
1067 Width = (UINT16) (gPromptBlockWidth + gOptionBlockWidth);\r
1068 } else {\r
1069 Width = (UINT16) gPromptBlockWidth;\r
1070 }\r
1071\r
1072 if (Statement->InSubtitle) {\r
1073 Width -= SUBTITLE_INDENT;\r
1074 }\r
1075\r
1076 return Width;\r
1077}\r
1078\r
7936fb6a 1079/**\r
1080 Will copy LineWidth amount of a string in the OutputString buffer and return the\r
1081 number of CHAR16 characters that were copied into the OutputString buffer.\r
1082\r
1083 @param InputString String description for this option.\r
1084 @param LineWidth Width of the desired string to extract in CHAR16\r
1085 characters\r
1086 @param Index Where in InputString to start the copy process\r
1087 @param OutputString Buffer to copy the string into\r
1088\r
1089 @return Returns the number of CHAR16 characters that were copied into the OutputString buffer.\r
1090\r
1091**/\r
1092UINT16\r
1093GetLineByWidth (\r
1094 IN CHAR16 *InputString,\r
1095 IN UINT16 LineWidth,\r
1096 IN OUT UINTN *Index,\r
1097 OUT CHAR16 **OutputString\r
1098 )\r
1099{\r
1100 UINT16 Count;\r
1101 UINT16 Count2;\r
1102\r
1103 if (GetLineByWidthFinished) {\r
1104 GetLineByWidthFinished = FALSE;\r
1105 return (UINT16) 0;\r
1106 }\r
1107\r
1108 Count = LineWidth;\r
1109 Count2 = 0;\r
1110\r
1111 *OutputString = AllocateZeroPool (((UINTN) (LineWidth + 1) * 2));\r
1112\r
1113 //\r
1114 // Ensure we have got a valid buffer\r
1115 //\r
1116 if (*OutputString != NULL) {\r
1117\r
1118 //\r
1119 //NARROW_CHAR can not be printed in screen, so if a line only contain the two CHARs: 'NARROW_CHAR + CHAR_CARRIAGE_RETURN' , it is a empty line in Screen.\r
1120 //To avoid displaying this empty line in screen, just skip the two CHARs here.\r
1121 //\r
1122 if ((InputString[*Index] == NARROW_CHAR) && (InputString[*Index + 1] == CHAR_CARRIAGE_RETURN)) {\r
1123 *Index = *Index + 2;\r
1124 }\r
1125\r
1126 //\r
1127 // Fast-forward the string and see if there is a carriage-return in the string\r
1128 //\r
1129 for (; (InputString[*Index + Count2] != CHAR_CARRIAGE_RETURN) && (Count2 != LineWidth); Count2++)\r
1130 ;\r
1131\r
1132 //\r
1133 // Copy the desired LineWidth of data to the output buffer.\r
1134 // Also make sure that we don't copy more than the string.\r
1135 // Also make sure that if there are linefeeds, we account for them.\r
1136 //\r
1137 if ((StrSize (&InputString[*Index]) <= ((UINTN) (LineWidth + 1) * 2)) &&\r
1138 (StrSize (&InputString[*Index]) <= ((UINTN) (Count2 + 1) * 2))\r
1139 ) {\r
1140 //\r
1141 // Convert to CHAR16 value and show that we are done with this operation\r
1142 //\r
1143 LineWidth = (UINT16) ((StrSize (&InputString[*Index]) - 2) / 2);\r
1144 if (LineWidth != 0) {\r
1145 GetLineByWidthFinished = TRUE;\r
1146 }\r
1147 } else {\r
1148 if (Count2 == LineWidth) {\r
1149 //\r
1150 // Rewind the string from the maximum size until we see a space to break the line\r
1151 //\r
1152 for (; (InputString[*Index + LineWidth] != CHAR_SPACE) && (LineWidth != 0); LineWidth--)\r
1153 ;\r
1154 if (LineWidth == 0) {\r
1155 LineWidth = Count;\r
1156 }\r
1157 } else {\r
1158 LineWidth = Count2;\r
1159 }\r
1160 }\r
1161\r
1162 CopyMem (*OutputString, &InputString[*Index], LineWidth * 2);\r
1163\r
1164 //\r
1165 // If currently pointing to a space, increment the index to the first non-space character\r
1166 //\r
1167 for (;\r
1168 (InputString[*Index + LineWidth] == CHAR_SPACE) || (InputString[*Index + LineWidth] == CHAR_CARRIAGE_RETURN);\r
1169 (*Index)++\r
1170 )\r
1171 ;\r
1172 *Index = (UINT16) (*Index + LineWidth);\r
1173 return LineWidth;\r
1174 } else {\r
1175 return (UINT16) 0;\r
1176 }\r
1177}\r
1178\r
1179\r
1180/**\r
1181 Update display lines for a Menu Option.\r
1182\r
1183 @param Selection The user's selection.\r
1184 @param MenuOption The MenuOption to be checked.\r
1185 @param OptionalString The option string.\r
1186 @param SkipValue The number of lins to skip.\r
1187\r
7936fb6a 1188**/\r
1189VOID\r
1190UpdateOptionSkipLines (\r
1191 IN UI_MENU_SELECTION *Selection,\r
1192 IN UI_MENU_OPTION *MenuOption,\r
1193 OUT CHAR16 **OptionalString,\r
1194 IN UINTN SkipValue\r
1195 )\r
1196{\r
1197 UINTN Index;\r
1198 UINT16 Width;\r
1199 UINTN Row;\r
1200 UINTN OriginalRow;\r
1201 CHAR16 *OutputString;\r
1202 CHAR16 *OptionString;\r
1203\r
1204 Row = 0;\r
1205 OptionString = *OptionalString;\r
1206 OutputString = NULL;\r
1207\r
1208 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1209\r
1210 if (OptionString != NULL) {\r
1211 Width = (UINT16) gOptionBlockWidth;\r
1212\r
1213 OriginalRow = Row;\r
1214\r
1215 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1216 //\r
1217 // If there is more string to process print on the next row and increment the Skip value\r
1218 //\r
d1a54e2c 1219 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 1220 if (SkipValue == 0) {\r
1221 Row++;\r
1222 //\r
1223 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1224 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1225 // some testing to ensure we are keeping this in-sync.\r
1226 //\r
1227 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1228 //\r
1229 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1230 MenuOption->Skip++;\r
1231 }\r
1232 }\r
1233 }\r
1234\r
f4113e1f 1235 FreePool (OutputString);\r
7936fb6a 1236 if (SkipValue != 0) {\r
1237 SkipValue--;\r
1238 }\r
1239 }\r
1240\r
1241 Row = OriginalRow;\r
1242 }\r
1243\r
1244 *OptionalString = OptionString;\r
1245}\r
1246\r
1247\r
1248/**\r
1249 Check whether this Menu Option could be highlighted.\r
1250\r
1251 This is an internal function.\r
1252\r
1253 @param MenuOption The MenuOption to be checked.\r
1254\r
1255 @retval TRUE This Menu Option is selectable.\r
1256 @retval FALSE This Menu Option could not be selected.\r
1257\r
1258**/\r
1259BOOLEAN\r
1260IsSelectable (\r
1261 UI_MENU_OPTION *MenuOption\r
1262 )\r
1263{\r
1264 if ((MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) ||\r
1265 MenuOption->GrayOut || MenuOption->ReadOnly) {\r
1266 return FALSE;\r
1267 } else {\r
1268 return TRUE;\r
1269 }\r
1270}\r
1271\r
1272\r
1273/**\r
1274 Determine if the menu is the last menu that can be selected.\r
1275\r
1276 This is an internal function.\r
1277 \r
1278 @param Direction The scroll direction. False is down. True is up.\r
1279 @param CurrentPos The current focus.\r
1280\r
1281 @return FALSE -- the menu isn't the last menu that can be selected.\r
1282 @return TRUE -- the menu is the last menu that can be selected.\r
1283\r
1284**/\r
1285BOOLEAN\r
1286ValueIsScroll (\r
1287 IN BOOLEAN Direction,\r
1288 IN LIST_ENTRY *CurrentPos\r
1289 )\r
1290{\r
1291 LIST_ENTRY *Temp;\r
1292 UI_MENU_OPTION *MenuOption;\r
1293\r
1294 Temp = Direction ? CurrentPos->BackLink : CurrentPos->ForwardLink;\r
1295\r
1296 if (Temp == &Menu) {\r
1297 return TRUE;\r
1298 }\r
1299\r
1300 for (; Temp != &Menu; Temp = Direction ? Temp->BackLink : Temp->ForwardLink) {\r
1301 MenuOption = MENU_OPTION_FROM_LINK (Temp);\r
1302 if (IsSelectable (MenuOption)) {\r
1303 return FALSE;\r
1304 }\r
1305 }\r
1306\r
1307 return TRUE;\r
1308}\r
1309\r
1310\r
1311/**\r
1312 Move to next selectable statement.\r
1313 \r
1314 This is an internal function.\r
1315 \r
1316 @param GoUp The navigation direction. TRUE: up, FALSE: down.\r
1317 @param CurrentPosition Current position.\r
1318\r
1319 @return The row distance from current MenuOption to next selectable MenuOption.\r
1320\r
1321**/\r
1322INTN\r
1323MoveToNextStatement (\r
1324 IN BOOLEAN GoUp,\r
1325 IN OUT LIST_ENTRY **CurrentPosition\r
1326 )\r
1327{\r
1328 INTN Distance;\r
1329 LIST_ENTRY *Pos;\r
1330 BOOLEAN HitEnd;\r
1331 UI_MENU_OPTION *NextMenuOption;\r
1332\r
1333 Distance = 0;\r
1334 Pos = *CurrentPosition;\r
1335 HitEnd = FALSE;\r
1336\r
1337 while (TRUE) {\r
1338 NextMenuOption = MENU_OPTION_FROM_LINK (Pos);\r
1339 if (IsSelectable (NextMenuOption)) {\r
1340 break;\r
1341 }\r
1342 if ((GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) {\r
1343 HitEnd = TRUE;\r
1344 break;\r
1345 }\r
1346 Distance += NextMenuOption->Skip;\r
1347 Pos = (GoUp ? Pos->BackLink : Pos->ForwardLink);\r
1348 }\r
1349\r
1350 if (HitEnd) {\r
1351 //\r
1352 // If we hit end there is still no statement can be focused,\r
1353 // we go backwards to find the statement can be focused.\r
1354 //\r
1355 Distance = 0;\r
1356 Pos = *CurrentPosition;\r
1357\r
1358 while (TRUE) {\r
1359 NextMenuOption = MENU_OPTION_FROM_LINK (Pos);\r
1360 if (IsSelectable (NextMenuOption)) {\r
1361 break;\r
1362 }\r
1363 if ((!GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) {\r
1364 ASSERT (FALSE);\r
1365 break;\r
1366 }\r
1367 Distance -= NextMenuOption->Skip;\r
1368 Pos = (!GoUp ? Pos->BackLink : Pos->ForwardLink);\r
1369 }\r
1370 }\r
1371\r
1372 *CurrentPosition = &NextMenuOption->Link;\r
1373 return Distance;\r
1374}\r
1375\r
1376\r
1377/**\r
1378 Adjust Data and Time position accordingly.\r
1379 Data format : [01/02/2004] [11:22:33]\r
1380 Line number : 0 0 1 0 0 1\r
1381 \r
1382 This is an internal function.\r
1383\r
1384 @param DirectionUp the up or down direction. False is down. True is\r
1385 up.\r
1386 @param CurrentPosition Current position. On return: Point to the last\r
1387 Option (Year or Second) if up; Point to the first\r
1388 Option (Month or Hour) if down.\r
1389\r
1390 @return Return line number to pad. It is possible that we stand on a zero-advance\r
1391 @return data or time opcode, so pad one line when we judge if we are going to scroll outside.\r
1392\r
1393**/\r
1394UINTN\r
1395AdjustDateAndTimePosition (\r
1396 IN BOOLEAN DirectionUp,\r
1397 IN OUT LIST_ENTRY **CurrentPosition\r
1398 )\r
1399{\r
1400 UINTN Count;\r
1401 LIST_ENTRY *NewPosition;\r
1402 UI_MENU_OPTION *MenuOption;\r
1403 UINTN PadLineNumber;\r
1404\r
1405 PadLineNumber = 0;\r
1406 NewPosition = *CurrentPosition;\r
1407 MenuOption = MENU_OPTION_FROM_LINK (NewPosition);\r
1408\r
1409 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) ||\r
1410 (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
1411 //\r
1412 // Calculate the distance from current position to the last Date/Time MenuOption\r
1413 //\r
1414 Count = 0;\r
1415 while (MenuOption->Skip == 0) {\r
1416 Count++;\r
1417 NewPosition = NewPosition->ForwardLink;\r
1418 MenuOption = MENU_OPTION_FROM_LINK (NewPosition);\r
1419 PadLineNumber = 1;\r
1420 }\r
1421\r
1422 NewPosition = *CurrentPosition;\r
1423 if (DirectionUp) {\r
1424 //\r
1425 // Since the behavior of hitting the up arrow on a Date/Time MenuOption is intended\r
1426 // to be one that back to the previous set of MenuOptions, we need to advance to the first\r
1427 // Date/Time MenuOption and leave the remaining logic in CfUiUp intact so the appropriate\r
1428 // checking can be done.\r
1429 //\r
1430 while (Count++ < 2) {\r
1431 NewPosition = NewPosition->BackLink;\r
1432 }\r
1433 } else {\r
1434 //\r
1435 // Since the behavior of hitting the down arrow on a Date/Time MenuOption is intended\r
1436 // to be one that progresses to the next set of MenuOptions, we need to advance to the last\r
1437 // Date/Time MenuOption and leave the remaining logic in CfUiDown intact so the appropriate\r
1438 // checking can be done.\r
1439 //\r
1440 while (Count-- > 0) {\r
1441 NewPosition = NewPosition->ForwardLink;\r
1442 }\r
1443 }\r
1444\r
1445 *CurrentPosition = NewPosition;\r
1446 }\r
1447\r
1448 return PadLineNumber;\r
1449}\r
1450\r
1451\r
1452/**\r
1453 Display menu and wait for user to select one menu option, then return it.\r
1454 If AutoBoot is enabled, then if user doesn't select any option,\r
1455 after period of time, it will automatically return the first menu option.\r
1456\r
1457 @param Selection Menu selection.\r
1458\r
1459 @retval EFI_SUCESSS This function always return successfully for now.\r
1460\r
1461**/\r
1462EFI_STATUS\r
1463UiDisplayMenu (\r
1464 IN OUT UI_MENU_SELECTION *Selection\r
1465 )\r
1466{\r
1467 INTN SkipValue;\r
1468 INTN Difference;\r
1469 INTN OldSkipValue;\r
1470 UINTN DistanceValue;\r
1471 UINTN Row;\r
1472 UINTN Col;\r
1473 UINTN Temp;\r
1474 UINTN Temp2;\r
1475 UINTN TopRow;\r
1476 UINTN BottomRow;\r
1477 UINTN OriginalRow;\r
1478 UINTN Index;\r
1479 UINT32 Count;\r
1480 UINT16 Width;\r
1481 CHAR16 *StringPtr;\r
1482 CHAR16 *OptionString;\r
1483 CHAR16 *OutputString;\r
1484 CHAR16 *FormattedString;\r
1485 CHAR16 YesResponse;\r
1486 CHAR16 NoResponse;\r
1487 BOOLEAN NewLine;\r
1488 BOOLEAN Repaint;\r
1489 BOOLEAN SavedValue;\r
1490 EFI_STATUS Status;\r
1491 EFI_INPUT_KEY Key;\r
1492 LIST_ENTRY *Link;\r
1493 LIST_ENTRY *NewPos;\r
1494 LIST_ENTRY *TopOfScreen;\r
1495 LIST_ENTRY *SavedListEntry;\r
1496 UI_MENU_OPTION *MenuOption;\r
1497 UI_MENU_OPTION *NextMenuOption;\r
1498 UI_MENU_OPTION *SavedMenuOption;\r
1499 UI_MENU_OPTION *PreviousMenuOption;\r
1500 UI_CONTROL_FLAG ControlFlag;\r
1501 EFI_SCREEN_DESCRIPTOR LocalScreen;\r
1502 MENU_REFRESH_ENTRY *MenuRefreshEntry;\r
1503 UI_SCREEN_OPERATION ScreenOperation;\r
1504 UINT8 MinRefreshInterval;\r
1505 UINTN BufferSize;\r
1506 UINT16 DefaultId;\r
1507 EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
1508 FORM_BROWSER_STATEMENT *Statement;\r
63d55bb9
LG		 1509 CHAR16 TemStr[2];\r
1510 UINT8 *DevicePathBuffer;\r
1511 UINT8 DigitUint8;\r
7936fb6a 1512\r
1513 CopyMem (&LocalScreen, &gScreenDimensions, sizeof (EFI_SCREEN_DESCRIPTOR));\r
1514\r
1515 Status = EFI_SUCCESS;\r
1516 FormattedString = NULL;\r
1517 OptionString = NULL;\r
1518 ScreenOperation = UiNoOperation;\r
1519 NewLine = TRUE;\r
1520 MinRefreshInterval = 0;\r
1521 DefaultId = 0;\r
1522\r
1523 OutputString = NULL;\r
1524 gUpArrow = FALSE;\r
1525 gDownArrow = FALSE;\r
1526 SkipValue = 0;\r
1527 OldSkipValue = 0;\r
1528 MenuRefreshEntry = gMenuRefreshHead;\r
1529\r
1530 NextMenuOption = NULL;\r
1531 PreviousMenuOption = NULL;\r
1532 SavedMenuOption = NULL;\r
1533\r
1534 ZeroMem (&Key, sizeof (EFI_INPUT_KEY));\r
1535\r
1536 if (gClassOfVfr == EFI_FRONT_PAGE_SUBCLASS) {\r
1537 TopRow = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1538 Row = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1539 } else {\r
1540 TopRow = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1541 Row = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1542 }\r
1543\r
1544 Col = LocalScreen.LeftColumn;\r
1545 BottomRow = LocalScreen.BottomRow - STATUS_BAR_HEIGHT - FOOTER_HEIGHT - SCROLL_ARROW_HEIGHT - 1;\r
1546\r
1547 Selection->TopRow = TopRow;\r
1548 Selection->BottomRow = BottomRow;\r
1549 Selection->PromptCol = Col;\r
1550 Selection->OptionCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;\r
1551 Selection->Statement = NULL;\r
1552\r
1553 TopOfScreen = Menu.ForwardLink;\r
1554 Repaint = TRUE;\r
1555 MenuOption = NULL;\r
1556\r
1557 //\r
1558 // Get user's selection\r
1559 //\r
1560 NewPos = Menu.ForwardLink;\r
1561\r
1562 gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r
1563 UpdateStatusBar (REFRESH_STATUS_BAR, (UINT8) 0, TRUE);\r
1564\r
1565 ControlFlag = CfInitialization;\r
1566 Selection->Action = UI_ACTION_NONE;\r
1567 while (TRUE) {\r
1568 switch (ControlFlag) {\r
1569 case CfInitialization:\r
1570 if (IsListEmpty (&Menu)) {\r
1571 ControlFlag = CfReadKey;\r
1572 } else {\r
1573 ControlFlag = CfCheckSelection;\r
1574 }\r
1575 break;\r
1576\r
1577 case CfCheckSelection:\r
1578 if (Selection->Action != UI_ACTION_NONE) {\r
1579 ControlFlag = CfExit;\r
1580 } else {\r
1581 ControlFlag = CfRepaint;\r
1582 }\r
1583 break;\r
1584\r
1585 case CfRepaint:\r
1586 ControlFlag = CfRefreshHighLight;\r
1587\r
1588 if (Repaint) {\r
1589 //\r
1590 // Display menu\r
1591 //\r
1592 gDownArrow = FALSE;\r
1593 gUpArrow = FALSE;\r
1594 Row = TopRow;\r
1595\r
1596 Temp = SkipValue;\r
1597 Temp2 = SkipValue;\r
1598\r
1599 ClearLines (\r
1600 LocalScreen.LeftColumn,\r
1601 LocalScreen.RightColumn,\r
1602 TopRow - SCROLL_ARROW_HEIGHT,\r
1603 BottomRow + SCROLL_ARROW_HEIGHT,\r
1604 FIELD_TEXT | FIELD_BACKGROUND\r
1605 );\r
1606\r
1607 UiFreeRefreshList ();\r
1608 MinRefreshInterval = 0;\r
1609\r
1610 for (Link = TopOfScreen; Link != &Menu; Link = Link->ForwardLink) {\r
1611 MenuOption = MENU_OPTION_FROM_LINK (Link);\r
1612 MenuOption->Row = Row;\r
1613 MenuOption->Col = Col;\r
1614 MenuOption->OptCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;\r
1615\r
1616 Statement = MenuOption->ThisTag;\r
1617 if (Statement->InSubtitle) {\r
1618 MenuOption->Col += SUBTITLE_INDENT;\r
1619 }\r
1620\r
1621 if (MenuOption->GrayOut) {\r
1622 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);\r
1623 } else {\r
1624 if (Statement->Operand == EFI_IFR_SUBTITLE_OP) {\r
1625 gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND);\r
1626 }\r
1627 }\r
1628\r
1629 Width = GetWidth (Statement, MenuOption->Handle);\r
1630 OriginalRow = Row;\r
1631\r
1632 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
1633 if ((Temp == 0) && (Row <= BottomRow)) {\r
1634 PrintStringAt (MenuOption->Col, Row, OutputString);\r
1635 }\r
1636 //\r
1637 // If there is more string to process print on the next row and increment the Skip value\r
1638 //\r
d1a54e2c 1639 if (StrLen (&MenuOption->Description[Index]) != 0) {\r
7936fb6a 1640 if (Temp == 0) {\r
1641 Row++;\r
1642 }\r
1643 }\r
1644\r
f4113e1f 1645 FreePool (OutputString);\r
7936fb6a 1646 if (Temp != 0) {\r
1647 Temp--;\r
1648 }\r
1649 }\r
1650\r
1651 Temp = 0;\r
1652 Row = OriginalRow;\r
1653\r
1654 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
8d00a0f1 1655 Status = ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1656 if (EFI_ERROR (Status)) {\r
1657 //\r
1658 // Repaint to clear possible error prompt pop-up\r
1659 //\r
1660 Repaint = TRUE;\r
1661 NewLine = TRUE;\r
1662 ControlFlag = CfRepaint;\r
1663 break;\r
1664 }\r
7936fb6a 1665\r
1666 if (OptionString != NULL) {\r
1667 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
1668 //\r
1669 // If leading spaces on OptionString - remove the spaces\r
1670 //\r
1671 for (Index = 0; OptionString[Index] == L' '; Index++) {\r
1672 MenuOption->OptCol++;\r
1673 }\r
1674\r
1675 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
1676 OptionString[Count] = OptionString[Index];\r
1677 Count++;\r
1678 }\r
1679\r
1680 OptionString[Count] = CHAR_NULL;\r
1681 }\r
1682\r
1683 //\r
1684 // If Question request refresh, register the op-code\r
1685 //\r
1686 if (Statement->RefreshInterval != 0) {\r
1687 //\r
1688 // Menu will be refreshed at minimal interval of all Questions\r
1689 // which have refresh request\r
1690 //\r
1691 if (MinRefreshInterval == 0 || Statement->RefreshInterval < MinRefreshInterval) {\r
1692 MinRefreshInterval = Statement->RefreshInterval;\r
1693 }\r
1694\r
1695 if (gMenuRefreshHead == NULL) {\r
1696 MenuRefreshEntry = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));\r
1697 ASSERT (MenuRefreshEntry != NULL);\r
1698 MenuRefreshEntry->MenuOption = MenuOption;\r
1699 MenuRefreshEntry->Selection = Selection;\r
1700 MenuRefreshEntry->CurrentColumn = MenuOption->OptCol;\r
1701 MenuRefreshEntry->CurrentRow = MenuOption->Row;\r
1702 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
1703 gMenuRefreshHead = MenuRefreshEntry;\r
1704 } else {\r
1705 //\r
1706 // Advance to the last entry\r
1707 //\r
1708 for (MenuRefreshEntry = gMenuRefreshHead;\r
1709 MenuRefreshEntry->Next != NULL;\r
1710 MenuRefreshEntry = MenuRefreshEntry->Next\r
1711 )\r
1712 ;\r
1713 MenuRefreshEntry->Next = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));\r
1714 ASSERT (MenuRefreshEntry->Next != NULL);\r
1715 MenuRefreshEntry = MenuRefreshEntry->Next;\r
1716 MenuRefreshEntry->MenuOption = MenuOption;\r
1717 MenuRefreshEntry->Selection = Selection;\r
1718 MenuRefreshEntry->CurrentColumn = MenuOption->OptCol;\r
1719 MenuRefreshEntry->CurrentRow = MenuOption->Row;\r
1720 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
1721 }\r
1722 }\r
1723\r
1724 Width = (UINT16) gOptionBlockWidth;\r
1725 OriginalRow = Row;\r
1726\r
1727 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1728 if ((Temp2 == 0) && (Row <= BottomRow)) {\r
1729 PrintStringAt (MenuOption->OptCol, Row, OutputString);\r
1730 }\r
1731 //\r
1732 // If there is more string to process print on the next row and increment the Skip value\r
1733 //\r
d1a54e2c 1734 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 1735 if (Temp2 == 0) {\r
1736 Row++;\r
1737 //\r
1738 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1739 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1740 // some testing to ensure we are keeping this in-sync.\r
1741 //\r
1742 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1743 //\r
1744 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1745 MenuOption->Skip++;\r
1746 }\r
1747 }\r
1748 }\r
1749\r
f4113e1f 1750 FreePool (OutputString);\r
7936fb6a 1751 if (Temp2 != 0) {\r
1752 Temp2--;\r
1753 }\r
1754 }\r
1755\r
1756 Temp2 = 0;\r
1757 Row = OriginalRow;\r
1758\r
f4113e1f 1759 FreePool (OptionString);\r
7936fb6a 1760 }\r
1761 //\r
1762 // If this is a text op with secondary text information\r
1763 //\r
1764 if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) {\r
1765 StringPtr = GetToken (Statement->TextTwo, MenuOption->Handle);\r
1766\r
1767 Width = (UINT16) gOptionBlockWidth;\r
1768 OriginalRow = Row;\r
1769\r
1770 for (Index = 0; GetLineByWidth (StringPtr, Width, &Index, &OutputString) != 0x0000;) {\r
1771 if ((Temp == 0) && (Row <= BottomRow)) {\r
1772 PrintStringAt (MenuOption->OptCol, Row, OutputString);\r
1773 }\r
1774 //\r
1775 // If there is more string to process print on the next row and increment the Skip value\r
1776 //\r
d1a54e2c 1777 if (StrLen (&StringPtr[Index]) != 0) {\r
7936fb6a 1778 if (Temp2 == 0) {\r
1779 Row++;\r
1780 //\r
1781 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1782 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1783 // some testing to ensure we are keeping this in-sync.\r
1784 //\r
1785 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1786 //\r
1787 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1788 MenuOption->Skip++;\r
1789 }\r
1790 }\r
1791 }\r
1792\r
f4113e1f 1793 FreePool (OutputString);\r
7936fb6a 1794 if (Temp2 != 0) {\r
1795 Temp2--;\r
1796 }\r
1797 }\r
1798\r
1799 Row = OriginalRow;\r
f4113e1f 1800 FreePool (StringPtr);\r
7936fb6a 1801 }\r
1802\r
1803 //\r
1804 // Need to handle the bottom of the display\r
1805 //\r
1806 if (MenuOption->Skip > 1) {\r
1807 Row += MenuOption->Skip - SkipValue;\r
1808 SkipValue = 0;\r
1809 } else {\r
1810 Row += MenuOption->Skip;\r
1811 }\r
1812\r
1813 if (Row > BottomRow) {\r
1814 if (!ValueIsScroll (FALSE, Link)) {\r
1815 gDownArrow = TRUE;\r
1816 }\r
1817\r
1818 Row = BottomRow + 1;\r
1819 break;\r
1820 }\r
1821 }\r
1822\r
1823 if (!ValueIsScroll (TRUE, TopOfScreen)) {\r
1824 gUpArrow = TRUE;\r
1825 }\r
1826\r
1827 if (gUpArrow) {\r
1828 gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
1829 PrintAt (\r
1830 LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
1831 TopRow - SCROLL_ARROW_HEIGHT,\r
1832 L"%c",\r
1833 ARROW_UP\r
1834 );\r
1835 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
1836 }\r
1837\r
1838 if (gDownArrow) {\r
1839 gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
1840 PrintAt (\r
1841 LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
1842 BottomRow + SCROLL_ARROW_HEIGHT,\r
1843 L"%c",\r
1844 ARROW_DOWN\r
1845 );\r
1846 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
1847 }\r
1848\r
1849 MenuOption = NULL;\r
1850 }\r
1851 break;\r
1852\r
1853 case CfRefreshHighLight:\r
1854 //\r
1855 // MenuOption: Last menu option that need to remove hilight\r
1856 // MenuOption is set to NULL in Repaint\r
1857 // NewPos: Current menu option that need to hilight\r
1858 //\r
1859 ControlFlag = CfUpdateHelpString;\r
1860\r
1861 //\r
1862 // Repaint flag is normally reset when finish processing CfUpdateHelpString. Temporarily\r
1863 // reset Repaint flag because we may break halfway and skip CfUpdateHelpString processing.\r
1864 //\r
1865 SavedValue = Repaint;\r
1866 Repaint = FALSE;\r
1867\r
1868 if (Selection->QuestionId != 0) {\r
1869 NewPos = Menu.ForwardLink;\r
1870 SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
1871\r
1872 while (SavedMenuOption->ThisTag->QuestionId != Selection->QuestionId && NewPos->ForwardLink != &Menu) {\r
1873 NewPos = NewPos->ForwardLink;\r
1874 SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
1875 }\r
1876 if (SavedMenuOption->ThisTag->QuestionId == Selection->QuestionId) {\r
1877 //\r
1878 // Target Question found, find its MenuOption\r
1879 //\r
1880 Link = TopOfScreen;\r
1881\r
1882 for (Index = TopRow; Index <= BottomRow && Link != NewPos;) {\r
1883 SavedMenuOption = MENU_OPTION_FROM_LINK (Link);\r
1884 Index += SavedMenuOption->Skip;\r
1885 Link = Link->ForwardLink;\r
1886 }\r
1887\r
1888 if (Link != NewPos || Index > BottomRow) {\r
1889 //\r
1890 // NewPos is not in the current page, simply scroll page so that NewPos is in the end of the page\r
1891 //\r
1892 Link = NewPos;\r
1893 for (Index = TopRow; Index <= BottomRow; ) {\r
1894 Link = Link->BackLink;\r
1895 SavedMenuOption = MENU_OPTION_FROM_LINK (Link);\r
1896 Index += SavedMenuOption->Skip;\r
1897 }\r
1898 TopOfScreen = Link->ForwardLink;\r
1899\r
1900 Repaint = TRUE;\r
1901 NewLine = TRUE;\r
1902 ControlFlag = CfRepaint;\r
1903 break;\r
1904 }\r
1905 } else {\r
1906 //\r
1907 // Target Question not found, highlight the default menu option\r
1908 //\r
1909 NewPos = TopOfScreen;\r
1910 }\r
1911\r
1912 Selection->QuestionId = 0;\r
1913 }\r
1914\r
1915 if (NewPos != NULL && (MenuOption == NULL || NewPos != &MenuOption->Link)) {\r
1916 if (MenuOption != NULL) {\r
1917 //\r
1918 // Remove highlight on last Menu Option\r
1919 //\r
1920 gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
1921 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1922 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
1923 if (OptionString != NULL) {\r
1924 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) ||\r
1925 (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)\r
1926 ) {\r
1927 //\r
1928 // If leading spaces on OptionString - remove the spaces\r
1929 //\r
1930 for (Index = 0; OptionString[Index] == L' '; Index++)\r
1931 ;\r
1932\r
1933 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
1934 OptionString[Count] = OptionString[Index];\r
1935 Count++;\r
1936 }\r
1937\r
1938 OptionString[Count] = CHAR_NULL;\r
1939 }\r
1940\r
1941 Width = (UINT16) gOptionBlockWidth;\r
1942 OriginalRow = MenuOption->Row;\r
1943\r
1944 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1945 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
1946 PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
1947 }\r
1948 //\r
1949 // If there is more string to process print on the next row and increment the Skip value\r
1950 //\r
d1a54e2c 1951 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 1952 MenuOption->Row++;\r
1953 }\r
1954\r
f4113e1f 1955 FreePool (OutputString);\r
7936fb6a 1956 }\r
1957\r
1958 MenuOption->Row = OriginalRow;\r
1959\r
f4113e1f 1960 FreePool (OptionString);\r
7936fb6a 1961 } else {\r
1962 if (NewLine) {\r
1963 if (MenuOption->GrayOut) {\r
1964 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);\r
1965 } else if (MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) {\r
1966 gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND);\r
1967 }\r
1968\r
1969 OriginalRow = MenuOption->Row;\r
1970 Width = GetWidth (MenuOption->ThisTag, MenuOption->Handle);\r
1971\r
1972 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
1973 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
1974 PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
1975 }\r
1976 //\r
1977 // If there is more string to process print on the next row and increment the Skip value\r
1978 //\r
d1a54e2c 1979 if (StrLen (&MenuOption->Description[Index]) != 0) {\r
7936fb6a 1980 MenuOption->Row++;\r
1981 }\r
1982\r
f4113e1f 1983 FreePool (OutputString);\r
7936fb6a 1984 }\r
1985\r
1986 MenuOption->Row = OriginalRow;\r
1987 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
1988 }\r
1989 }\r
1990 }\r
1991\r
1992 //\r
1993 // This is only possible if we entered this page and the first menu option is\r
1994 // a "non-menu" item. In that case, force it UiDown\r
1995 //\r
1996 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
1997 if (!IsSelectable (MenuOption)) {\r
1998 ASSERT (ScreenOperation == UiNoOperation);\r
1999 ScreenOperation = UiDown;\r
2000 ControlFlag = CfScreenOperation;\r
2001 break;\r
2002 }\r
2003\r
2004 //\r
2005 // This is the current selected statement\r
2006 //\r
2007 Statement = MenuOption->ThisTag;\r
2008 Selection->Statement = Statement;\r
2009\r
2010 //\r
2011 // Set reverse attribute\r
2012 //\r
2013 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT);\r
2014 gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
2015\r
2016 //\r
2017 // Assuming that we have a refresh linked-list created, lets annotate the\r
2018 // appropriate entry that we are highlighting with its new attribute. Just prior to this\r
2019 // lets reset all of the entries' attribute so we do not get multiple highlights in he refresh\r
2020 //\r
2021 if (gMenuRefreshHead != NULL) {\r
2022 for (MenuRefreshEntry = gMenuRefreshHead; MenuRefreshEntry != NULL; MenuRefreshEntry = MenuRefreshEntry->Next) {\r
2023 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
2024 if (MenuRefreshEntry->MenuOption == MenuOption) {\r
2025 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT;\r
2026 }\r
2027 }\r
2028 }\r
2029\r
2030 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
2031 if (OptionString != NULL) {\r
2032 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
2033 //\r
2034 // If leading spaces on OptionString - remove the spaces\r
2035 //\r
2036 for (Index = 0; OptionString[Index] == L' '; Index++)\r
2037 ;\r
2038\r
2039 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
2040 OptionString[Count] = OptionString[Index];\r
2041 Count++;\r
2042 }\r
2043\r
2044 OptionString[Count] = CHAR_NULL;\r
2045 }\r
2046 Width = (UINT16) gOptionBlockWidth;\r
2047\r
2048 OriginalRow = MenuOption->Row;\r
2049\r
2050 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
2051 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2052 PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
2053 }\r
2054 //\r
2055 // If there is more string to process print on the next row and increment the Skip value\r
2056 //\r
d1a54e2c 2057 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 2058 MenuOption->Row++;\r
2059 }\r
2060\r
f4113e1f 2061 FreePool (OutputString);\r
7936fb6a 2062 }\r
2063\r
2064 MenuOption->Row = OriginalRow;\r
2065\r
f4113e1f 2066 FreePool (OptionString);\r
7936fb6a 2067 } else {\r
2068 if (NewLine) {\r
2069 OriginalRow = MenuOption->Row;\r
2070\r
2071 Width = GetWidth (Statement, MenuOption->Handle);\r
2072\r
2073 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
2074 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2075 PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
2076 }\r
2077 //\r
2078 // If there is more string to process print on the next row and increment the Skip value\r
2079 //\r
d1a54e2c 2080 if (StrLen (&MenuOption->Description[Index]) != 0) {\r
7936fb6a 2081 MenuOption->Row++;\r
2082 }\r
2083\r
f4113e1f 2084 FreePool (OutputString);\r
7936fb6a 2085 }\r
2086\r
2087 MenuOption->Row = OriginalRow;\r
2088\r
2089 }\r
2090 }\r
2091\r
8d00a0f1 2092 UpdateKeyHelp (MenuOption, FALSE);\r
2093\r
7936fb6a 2094 //\r
2095 // Clear reverse attribute\r
2096 //\r
2097 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2098 }\r
2099 //\r
2100 // Repaint flag will be used when process CfUpdateHelpString, so restore its value\r
2101 // if we didn't break halfway when process CfRefreshHighLight.\r
2102 //\r
2103 Repaint = SavedValue;\r
2104 break;\r
2105\r
2106 case CfUpdateHelpString:\r
2107 ControlFlag = CfPrepareToReadKey;\r
2108\r
2109 if ((Repaint || NewLine) && (gClassOfVfr != EFI_GENERAL_APPLICATION_SUBCLASS)) {\r
2110 //\r
2111 // Don't print anything if it is a NULL help token\r
2112 //\r
2113 if (MenuOption->ThisTag->Help == 0) {\r
2114 StringPtr = L"\0";\r
2115 } else {\r
2116 StringPtr = GetToken (MenuOption->ThisTag->Help, MenuOption->Handle);\r
2117 }\r
2118\r
2119 ProcessHelpString (StringPtr, &FormattedString, BottomRow - TopRow);\r
2120\r
2121 gST->ConOut->SetAttribute (gST->ConOut, HELP_TEXT | FIELD_BACKGROUND);\r
2122\r
2123 for (Index = 0; Index < BottomRow - TopRow; Index++) {\r
2124 //\r
2125 // Pad String with spaces to simulate a clearing of the previous line\r
2126 //\r
2127 for (; GetStringWidth (&FormattedString[Index * gHelpBlockWidth * 2]) / 2 < gHelpBlockWidth;) {\r
2128 StrCat (&FormattedString[Index * gHelpBlockWidth * 2], L" ");\r
2129 }\r
2130\r
2131 PrintStringAt (\r
2132 LocalScreen.RightColumn - gHelpBlockWidth,\r
2133 Index + TopRow,\r
2134 &FormattedString[Index * gHelpBlockWidth * 2]\r
2135 );\r
2136 }\r
2137 }\r
2138 //\r
2139 // Reset this flag every time we finish using it.\r
2140 //\r
2141 Repaint = FALSE;\r
2142 NewLine = FALSE;\r
2143 break;\r
2144\r
2145 case CfPrepareToReadKey:\r
2146 ControlFlag = CfReadKey;\r
2147 ScreenOperation = UiNoOperation;\r
2148 break;\r
2149\r
2150 case CfReadKey:\r
2151 ControlFlag = CfScreenOperation;\r
2152\r
2153 //\r
2154 // Wait for user's selection\r
2155 //\r
2156 do {\r
2157 Status = UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, MinRefreshInterval);\r
2158 } while (Status == EFI_TIMEOUT);\r
2159\r
8d00a0f1 2160 if (Selection->Action == UI_ACTION_REFRESH_FORMSET) {\r
7936fb6a 2161 //\r
8d00a0f1 2162 // IFR is updated in Callback of refresh opcode, re-parse it\r
7936fb6a 2163 //\r
8d00a0f1 2164 ControlFlag = CfUiReset;\r
2165 Selection->Statement = NULL;\r
2166 break;\r
2167 }\r
2168\r
2169 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
2170 //\r
2171 // if we encounter error, continue to read another key in.\r
2172 //\r
2173 if (EFI_ERROR (Status)) {\r
2174 ControlFlag = CfReadKey;\r
2175 break;\r
7936fb6a 2176 }\r
2177\r
2178 if (IsListEmpty (&Menu) && Key.UnicodeChar != CHAR_NULL) {\r
2179 //\r
2180 // If the screen has no menu items, and the user didn't select UiPrevious, or UiReset\r
2181 //\r
2182 break;\r
2183 }\r
2184\r
2185 switch (Key.UnicodeChar) {\r
2186 case CHAR_CARRIAGE_RETURN:\r
2187 ScreenOperation = UiSelect;\r
2188 gDirection = 0;\r
2189 break;\r
2190\r
2191 //\r
2192 // We will push the adjustment of these numeric values directly to the input handler\r
2193 // NOTE: we won't handle manual input numeric\r
2194 //\r
2195 case '+':\r
2196 case '-':\r
2197 Statement = MenuOption->ThisTag;\r
2198 if ((Statement->Operand == EFI_IFR_DATE_OP)\r
2199 || (Statement->Operand == EFI_IFR_TIME_OP)\r
2200 || ((Statement->Operand == EFI_IFR_NUMERIC_OP) && (Statement->Step != 0))\r
2201 ){\r
2202 if (Key.UnicodeChar == '+') {\r
2203 gDirection = SCAN_RIGHT;\r
2204 } else {\r
2205 gDirection = SCAN_LEFT;\r
2206 }\r
2207 Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);\r
8d00a0f1 2208 if (EFI_ERROR (Status)) {\r
2209 //\r
2210 // Repaint to clear possible error prompt pop-up\r
2211 //\r
2212 Repaint = TRUE;\r
2213 NewLine = TRUE;\r
2214 }\r
676df92c 2215 if (OptionString != NULL) {\r
2216 FreePool (OptionString);\r
2217 }\r
7936fb6a 2218 }\r
2219 break;\r
2220\r
2221 case '^':\r
2222 ScreenOperation = UiUp;\r
2223 break;\r
2224\r
2225 case 'V':\r
2226 case 'v':\r
2227 ScreenOperation = UiDown;\r
2228 break;\r
2229\r
2230 case ' ':\r
2231 if (gClassOfVfr != EFI_FRONT_PAGE_SUBCLASS) {\r
2232 if (MenuOption->ThisTag->Operand == EFI_IFR_CHECKBOX_OP && !MenuOption->GrayOut) {\r
2233 ScreenOperation = UiSelect;\r
2234 }\r
2235 }\r
2236 break;\r
2237\r
2238 case CHAR_NULL:\r
2239 if (((Key.ScanCode == SCAN_F1) && ((gFunctionKeySetting & FUNCTION_ONE) != FUNCTION_ONE)) ||\r
2240 ((Key.ScanCode == SCAN_F2) && ((gFunctionKeySetting & FUNCTION_TWO) != FUNCTION_TWO)) ||\r
2241 ((Key.ScanCode == SCAN_F9) && ((gFunctionKeySetting & FUNCTION_NINE) != FUNCTION_NINE)) ||\r
2242 ((Key.ScanCode == SCAN_F10) && ((gFunctionKeySetting & FUNCTION_TEN) != FUNCTION_TEN))\r
2243 ) {\r
2244 //\r
2245 // If the function key has been disabled, just ignore the key.\r
2246 //\r
2247 } else {\r
2248 for (Index = 0; Index < sizeof (gScanCodeToOperation) / sizeof (gScanCodeToOperation[0]); Index++) {\r
2249 if (Key.ScanCode == gScanCodeToOperation[Index].ScanCode) {\r
2250 if (Key.ScanCode == SCAN_F9) {\r
2251 //\r
2252 // Reset to standard default\r
2253 //\r
2254 DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;\r
2255 }\r
2256 ScreenOperation = gScanCodeToOperation[Index].ScreenOperation;\r
2257 break;\r
2258 }\r
2259 }\r
2260 }\r
2261 break;\r
2262 }\r
2263 break;\r
2264\r
2265 case CfScreenOperation:\r
2266 if (ScreenOperation != UiPrevious && ScreenOperation != UiReset) {\r
2267 //\r
2268 // If the screen has no menu items, and the user didn't select UiPrevious, or UiReset\r
2269 // ignore the selection and go back to reading keys.\r
2270 //\r
2271 if (IsListEmpty (&Menu)) {\r
2272 ControlFlag = CfReadKey;\r
2273 break;\r
2274 }\r
2275 //\r
2276 // if there is nothing logical to place a cursor on, just move on to wait for a key.\r
2277 //\r
2278 for (Link = Menu.ForwardLink; Link != &Menu; Link = Link->ForwardLink) {\r
2279 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2280 if (IsSelectable (NextMenuOption)) {\r
2281 break;\r
2282 }\r
2283 }\r
2284\r
2285 if (Link == &Menu) {\r
2286 ControlFlag = CfPrepareToReadKey;\r
2287 break;\r
2288 }\r
2289 } else if (ScreenOperation == UiReset) {\r
2290 //\r
2291 // Press ESC to exit FormSet\r
2292 //\r
2293 Selection->Action = UI_ACTION_EXIT;\r
2294 Selection->Statement = NULL;\r
2295 }\r
2296\r
2297 for (Index = 0;\r
2298 Index < sizeof (gScreenOperationToControlFlag) / sizeof (gScreenOperationToControlFlag[0]);\r
2299 Index++\r
2300 ) {\r
2301 if (ScreenOperation == gScreenOperationToControlFlag[Index].ScreenOperation) {\r
2302 ControlFlag = gScreenOperationToControlFlag[Index].ControlFlag;\r
2303 break;\r
2304 }\r
2305 }\r
2306 break;\r
2307\r
2308 case CfUiPrevious:\r
2309 ControlFlag = CfCheckSelection;\r
2310\r
2311 if (IsListEmpty (&gMenuList)) {\r
2312 Selection->Action = UI_ACTION_NONE;\r
2313 if (IsListEmpty (&Menu)) {\r
2314 ControlFlag = CfReadKey;\r
2315 }\r
2316 break;\r
2317 }\r
2318\r
2319 //\r
2320 // Remove the Cached page entry\r
2321 //\r
2322 UiRemoveMenuListEntry (Selection);\r
2323\r
2324 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2325 Selection->Statement = NULL;\r
2326 break;\r
2327\r
2328 case CfUiSelect:\r
2329 ControlFlag = CfCheckSelection;\r
2330\r
2331 Statement = MenuOption->ThisTag;\r
2332 if ((Statement->Operand == EFI_IFR_TEXT_OP) ||\r
2333 (Statement->Operand == EFI_IFR_DATE_OP) ||\r
2334 (Statement->Operand == EFI_IFR_TIME_OP) ||\r
2335 (Statement->Operand == EFI_IFR_NUMERIC_OP && Statement->Step != 0)) {\r
2336 break;\r
2337 }\r
2338\r
2339 //\r
2340 // Keep highlight on current MenuOption\r
2341 //\r
2342 Selection->QuestionId = Statement->QuestionId;\r
2343\r
2344 switch (Statement->Operand) {\r
2345 case EFI_IFR_REF_OP:\r
2346 if (Statement->RefDevicePath != 0) {\r
2347 //\r
2348 // Goto another Hii Package list\r
2349 //\r
2350 ControlFlag = CfUiReset;\r
2351 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2352\r
2353 StringPtr = GetToken (Statement->RefDevicePath, Selection->FormSet->HiiHandle);\r
2354 if (StringPtr == NULL) {\r
2355 //\r
2356 // No device path string not found, exit\r
2357 //\r
2358 Selection->Action = UI_ACTION_EXIT;\r
2359 Selection->Statement = NULL;\r
2360 break;\r
2361 }\r
2362 BufferSize = StrLen (StringPtr) / 2;\r
2363 DevicePath = AllocatePool (BufferSize);\r
63d55bb9
LG		 2364 \r
2365 //\r
2366 // Convert from Device Path String to DevicePath Buffer in the reverse order.\r
2367 //\r
2368 DevicePathBuffer = (UINT8 *) DevicePath;\r
2369 for (Index = 0; StringPtr[Index] != L'\0'; Index ++) {\r
2370 TemStr[0] = StringPtr[Index];\r
2371 DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
2372 if (DigitUint8 == 0 && TemStr[0] != L'0') {\r
2373 //\r
2374 // Invalid Hex Char as the tail.\r
2375 //\r
2376 break;\r
2377 }\r
2378 if ((Index & 1) == 0) {\r
2379 DevicePathBuffer [Index/2] = DigitUint8;\r
2380 } else {\r
2381 DevicePathBuffer [Index/2] = (UINT8) ((DevicePathBuffer [Index/2] << 4) + DigitUint8);\r
2382 }\r
2383 }\r
7936fb6a 2384\r
7936fb6a 2385 Selection->Handle = HiiLibDevicePathToHiiHandle (DevicePath);\r
2386 if (Selection->Handle == NULL) {\r
2387 //\r
2388 // If target Hii Handle not found, exit\r
2389 //\r
2390 Selection->Action = UI_ACTION_EXIT;\r
2391 Selection->Statement = NULL;\r
2392 break;\r
2393 }\r
2394\r
f4113e1f 2395 FreePool (StringPtr);\r
2396 FreePool (DevicePath);\r
7936fb6a 2397\r
2398 CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID));\r
2399 Selection->FormId = Statement->RefFormId;\r
2400 Selection->QuestionId = Statement->RefQuestionId;\r
2401 } else if (!CompareGuid (&Statement->RefFormSetId, &gZeroGuid)) {\r
2402 //\r
2403 // Goto another Formset, check for uncommitted data\r
2404 //\r
2405 ControlFlag = CfUiReset;\r
2406 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2407\r
2408 CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID));\r
2409 Selection->FormId = Statement->RefFormId;\r
2410 Selection->QuestionId = Statement->RefQuestionId;\r
2411 } else if (Statement->RefFormId != 0) {\r
2412 //\r
2413 // Goto another form inside this formset,\r
2414 //\r
2415 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2416\r
2417 //\r
2418 // Link current form so that we can always go back when someone hits the UiPrevious\r
2419 //\r
2420 UiAddMenuListEntry (Selection);\r
2421\r
2422 Selection->FormId = Statement->RefFormId;\r
2423 Selection->QuestionId = Statement->RefQuestionId;\r
2424 } else if (Statement->RefQuestionId != 0) {\r
2425 //\r
2426 // Goto another Question\r
2427 //\r
2428 Selection->QuestionId = Statement->RefQuestionId;\r
2429\r
2430 if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {\r
2431 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2432 } else {\r
2433 Repaint = TRUE;\r
2434 NewLine = TRUE;\r
2435 break;\r
2436 }\r
2437 }\r
2438 break;\r
2439\r
2440 case EFI_IFR_ACTION_OP:\r
2441 //\r
2442 // Process the Config string <ConfigResp>\r
2443 //\r
2444 Status = ProcessQuestionConfig (Selection, Statement);\r
2445\r
2446 if (EFI_ERROR (Status)) {\r
2447 break;\r
2448 }\r
2449\r
2450 //\r
2451 // The action button may change some Question value, so refresh the form\r
2452 //\r
2453 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2454 break;\r
2455\r
2456 case EFI_IFR_RESET_BUTTON_OP:\r
2457 //\r
2458 // Reset Question to default value specified by DefaultId\r
2459 //\r
2460 ControlFlag = CfUiDefault;\r
2461 DefaultId = Statement->DefaultId;\r
2462 break;\r
2463\r
2464 default:\r
2465 //\r
2466 // Editable Questions: oneof, ordered list, checkbox, numeric, string, password\r
2467 //\r
2468 UpdateKeyHelp (MenuOption, TRUE);\r
2469 Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);\r
2470\r
2471 if (EFI_ERROR (Status)) {\r
2472 Repaint = TRUE;\r
2473 NewLine = TRUE;\r
8d00a0f1 2474 UpdateKeyHelp (MenuOption, FALSE);\r
2475 } else {\r
2476 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2477 }\r
7936fb6a 2478\r
8d00a0f1 2479 if (OptionString != NULL) {\r
2480 FreePool (OptionString);\r
2481 }\r
7936fb6a 2482 break;\r
2483 }\r
2484 break;\r
2485\r
2486 case CfUiReset:\r
2487 //\r
2488 // We are going to leave current FormSet, so check uncommited data in this FormSet\r
2489 //\r
2490 ControlFlag = CfCheckSelection;\r
2491\r
2492 if (gClassOfVfr == EFI_FRONT_PAGE_SUBCLASS) {\r
2493 //\r
2494 // There is no parent menu for FrontPage\r
2495 //\r
2496 Selection->Action = UI_ACTION_NONE;\r
2497 Selection->Statement = MenuOption->ThisTag;\r
2498 break;\r
2499 }\r
2500\r
2501 //\r
2502 // If NV flag is up, prompt user\r
2503 //\r
2504 if (gNvUpdateRequired) {\r
2505 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
2506\r
2507 YesResponse = gYesResponse[0];\r
2508 NoResponse = gNoResponse[0];\r
2509\r
2510 do {\r
2511 CreateDialog (3, TRUE, 0, NULL, &Key, gEmptyString, gAreYouSure, gEmptyString);\r
2512 } while\r
2513 (\r
2514 (Key.ScanCode != SCAN_ESC) &&\r
2515 ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (NoResponse | UPPER_LOWER_CASE_OFFSET)) &&\r
2516 ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (YesResponse | UPPER_LOWER_CASE_OFFSET))\r
2517 );\r
2518\r
2519 //\r
2520 // If the user hits the YesResponse key\r
2521 //\r
2522 if ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (YesResponse | UPPER_LOWER_CASE_OFFSET)) {\r
2523 } else {\r
2524 Repaint = TRUE;\r
2525 NewLine = TRUE;\r
2526\r
2527 Selection->Action = UI_ACTION_NONE;\r
2528 break;\r
2529 }\r
2530 }\r
2531\r
2532 gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r
2533 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
2534\r
2535 UiFreeMenuList ();\r
2536 gST->ConOut->ClearScreen (gST->ConOut);\r
2537 return EFI_SUCCESS;\r
2538\r
2539 case CfUiLeft:\r
2540 ControlFlag = CfCheckSelection;\r
2541 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
2542 if (MenuOption->Sequence != 0) {\r
2543 //\r
2544 // In the middle or tail of the Date/Time op-code set, go left.\r
2545 //\r
2546 NewPos = NewPos->BackLink;\r
2547 }\r
2548 }\r
2549 break;\r
2550\r
2551 case CfUiRight:\r
2552 ControlFlag = CfCheckSelection;\r
2553 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
2554 if (MenuOption->Sequence != 2) {\r
2555 //\r
2556 // In the middle or tail of the Date/Time op-code set, go left.\r
2557 //\r
2558 NewPos = NewPos->ForwardLink;\r
2559 }\r
2560 }\r
2561 break;\r
2562\r
2563 case CfUiUp:\r
2564 ControlFlag = CfCheckSelection;\r
2565\r
2566 SavedListEntry = TopOfScreen;\r
2567\r
2568 if (NewPos->BackLink != &Menu) {\r
2569 NewLine = TRUE;\r
2570 //\r
2571 // Adjust Date/Time position before we advance forward.\r
2572 //\r
2573 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2574\r
2575 //\r
2576 // Caution that we have already rewind to the top, don't go backward in this situation.\r
2577 //\r
2578 if (NewPos->BackLink != &Menu) {\r
2579 NewPos = NewPos->BackLink;\r
2580 }\r
2581\r
2582 PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2583 DistanceValue = PreviousMenuOption->Skip;\r
2584\r
2585 //\r
2586 // Since the behavior of hitting the up arrow on a Date/Time op-code is intended\r
2587 // to be one that back to the previous set of op-codes, we need to advance to the sencond\r
2588 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate\r
2589 // checking can be done.\r
2590 //\r
2591 DistanceValue += AdjustDateAndTimePosition (TRUE, &NewPos);\r
2592\r
2593 //\r
2594 // Check the previous menu entry to see if it was a zero-length advance. If it was,\r
2595 // don't worry about a redraw.\r
2596 //\r
2597 if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) {\r
2598 Repaint = TRUE;\r
2599 TopOfScreen = NewPos;\r
2600 }\r
2601\r
2602 Difference = MoveToNextStatement (TRUE, &NewPos);\r
2603 if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) {\r
2604 if (Difference > 0) {\r
2605 //\r
2606 // Previous focus MenuOption is above the TopOfScreen, so we need to scroll\r
2607 //\r
2608 TopOfScreen = NewPos;\r
2609 Repaint = TRUE;\r
2610 }\r
2611 }\r
2612 if (Difference < 0) {\r
2613 //\r
2614 // We want to goto previous MenuOption, but finally we go down.\r
2615 // it means that we hit the begining MenuOption that can be focused\r
2616 // so we simply scroll to the top\r
2617 //\r
2618 if (SavedListEntry != Menu.ForwardLink) {\r
2619 TopOfScreen = Menu.ForwardLink;\r
2620 Repaint = TRUE;\r
2621 }\r
2622 }\r
2623\r
2624 //\r
2625 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2626 //\r
2627 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2628\r
2629 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2630 } else {\r
2631 SavedMenuOption = MenuOption;\r
2632 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2633 if (!IsSelectable (MenuOption)) {\r
2634 //\r
2635 // If we are at the end of the list and sitting on a text op, we need to more forward\r
2636 //\r
2637 ScreenOperation = UiDown;\r
2638 ControlFlag = CfScreenOperation;\r
2639 break;\r
2640 }\r
2641\r
2642 MenuOption = SavedMenuOption;\r
2643 }\r
2644 break;\r
2645\r
2646 case CfUiPageUp:\r
2647 ControlFlag = CfCheckSelection;\r
2648\r
2649 if (NewPos->BackLink == &Menu) {\r
2650 NewLine = FALSE;\r
2651 Repaint = FALSE;\r
2652 break;\r
2653 }\r
2654\r
2655 NewLine = TRUE;\r
2656 Repaint = TRUE;\r
2657 Link = TopOfScreen;\r
2658 PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2659 Index = BottomRow;\r
2660 while ((Index >= TopRow) && (Link->BackLink != &Menu)) {\r
2661 Index = Index - PreviousMenuOption->Skip;\r
2662 Link = Link->BackLink;\r
2663 PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2664 }\r
2665\r
2666 TopOfScreen = Link;\r
2667 Difference = MoveToNextStatement (TRUE, &Link);\r
2668 if (Difference > 0) {\r
2669 //\r
2670 // The focus MenuOption is above the TopOfScreen\r
2671 //\r
2672 TopOfScreen = Link;\r
2673 } else if (Difference < 0) {\r
2674 //\r
2675 // This happens when there is no MenuOption can be focused from\r
2676 // Current MenuOption to the first MenuOption\r
2677 //\r
2678 TopOfScreen = Menu.ForwardLink;\r
2679 }\r
2680 Index += Difference;\r
2681 if (Index < TopRow) {\r
2682 MenuOption = NULL;\r
2683 }\r
2684\r
2685 if (NewPos == Link) {\r
2686 Repaint = FALSE;\r
2687 NewLine = FALSE;\r
2688 } else {\r
2689 NewPos = Link;\r
2690 }\r
2691\r
2692 //\r
2693 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2694 // Don't do this when we are already in the first page.\r
2695 //\r
2696 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2697 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2698 break;\r
2699\r
2700 case CfUiPageDown:\r
2701 ControlFlag = CfCheckSelection;\r
2702\r
2703 if (NewPos->ForwardLink == &Menu) {\r
2704 NewLine = FALSE;\r
2705 Repaint = FALSE;\r
2706 break;\r
2707 }\r
2708\r
2709 NewLine = TRUE;\r
2710 Repaint = TRUE;\r
2711 Link = TopOfScreen;\r
2712 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2713 Index = TopRow;\r
2714 while ((Index <= BottomRow) && (Link->ForwardLink != &Menu)) {\r
2715 Index = Index + NextMenuOption->Skip;\r
2716 Link = Link->ForwardLink;\r
2717 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2718 }\r
2719\r
2720 Index += MoveToNextStatement (FALSE, &Link);\r
2721 if (Index > BottomRow) {\r
2722 //\r
2723 // There are more MenuOption needing scrolling\r
2724 //\r
2725 TopOfScreen = Link;\r
2726 MenuOption = NULL;\r
2727 }\r
2728 if (NewPos == Link && Index <= BottomRow) {\r
2729 //\r
2730 // Finally we know that NewPos is the last MenuOption can be focused.\r
2731 //\r
2732 NewLine = FALSE;\r
2733 Repaint = FALSE;\r
2734 } else {\r
2735 NewPos = Link;\r
2736 }\r
2737\r
2738 //\r
2739 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2740 // Don't do this when we are already in the last page.\r
2741 //\r
2742 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2743 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2744 break;\r
2745\r
2746 case CfUiDown:\r
2747 ControlFlag = CfCheckSelection;\r
2748 //\r
2749 // Since the behavior of hitting the down arrow on a Date/Time op-code is intended\r
2750 // to be one that progresses to the next set of op-codes, we need to advance to the last\r
2751 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate\r
2752 // checking can be done. The only other logic we need to introduce is that if a Date/Time\r
2753 // op-code is the last entry in the menu, we need to rewind back to the first op-code of\r
2754 // the Date/Time op-code.\r
2755 //\r
2756 SavedListEntry = NewPos;\r
2757 DistanceValue = AdjustDateAndTimePosition (FALSE, &NewPos);\r
2758\r
2759 if (NewPos->ForwardLink != &Menu) {\r
2760 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2761 NewLine = TRUE;\r
2762 NewPos = NewPos->ForwardLink;\r
2763 NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2764\r
2765 DistanceValue += NextMenuOption->Skip;\r
2766 DistanceValue += MoveToNextStatement (FALSE, &NewPos);\r
2767 //\r
2768 // An option might be multi-line, so we need to reflect that data in the overall skip value\r
2769 //\r
2770 UpdateOptionSkipLines (Selection, NextMenuOption, &OptionString, SkipValue);\r
2771\r
2772 Temp = MenuOption->Row + MenuOption->Skip + DistanceValue - 1;\r
2773 if ((MenuOption->Row + MenuOption->Skip == BottomRow + 1) &&\r
2774 (NextMenuOption->ThisTag->Operand == EFI_IFR_DATE_OP ||\r
2775 NextMenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)\r
2776 ) {\r
2777 Temp ++;\r
2778 }\r
2779\r
2780 //\r
2781 // If we are going to scroll, update TopOfScreen\r
2782 //\r
2783 if (Temp > BottomRow) {\r
2784 do {\r
2785 //\r
2786 // Is the current top of screen a zero-advance op-code?\r
2787 // If so, keep moving forward till we hit a >0 advance op-code\r
2788 //\r
2789 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2790\r
2791 //\r
2792 // If bottom op-code is more than one line or top op-code is more than one line\r
2793 //\r
2794 if ((DistanceValue > 1) || (MenuOption->Skip > 1)) {\r
2795 //\r
2796 // Is the bottom op-code greater than or equal in size to the top op-code?\r
2797 //\r
2798 if ((Temp - BottomRow) >= (SavedMenuOption->Skip - OldSkipValue)) {\r
2799 //\r
2800 // Skip the top op-code\r
2801 //\r
2802 TopOfScreen = TopOfScreen->ForwardLink;\r
2803 Difference = (Temp - BottomRow) - (SavedMenuOption->Skip - OldSkipValue);\r
2804\r
2805 OldSkipValue = Difference;\r
2806\r
2807 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2808\r
2809 //\r
2810 // If we have a remainder, skip that many more op-codes until we drain the remainder\r
2811 //\r
2812 for (;\r
2813 Difference >= (INTN) SavedMenuOption->Skip;\r
2814 Difference = Difference - (INTN) SavedMenuOption->Skip\r
2815 ) {\r
2816 //\r
2817 // Since the Difference is greater than or equal to this op-code's skip value, skip it\r
2818 //\r
2819 TopOfScreen = TopOfScreen->ForwardLink;\r
2820 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2821 if (Difference < (INTN) SavedMenuOption->Skip) {\r
2822 Difference = SavedMenuOption->Skip - Difference - 1;\r
2823 break;\r
2824 } else {\r
2825 if (Difference == (INTN) SavedMenuOption->Skip) {\r
2826 TopOfScreen = TopOfScreen->ForwardLink;\r
2827 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2828 Difference = SavedMenuOption->Skip - Difference;\r
2829 break;\r
2830 }\r
2831 }\r
2832 }\r
2833 //\r
2834 // Since we will act on this op-code in the next routine, and increment the\r
2835 // SkipValue, set the skips to one less than what is required.\r
2836 //\r
2837 SkipValue = Difference - 1;\r
2838\r
2839 } else {\r
2840 //\r
2841 // Since we will act on this op-code in the next routine, and increment the\r
2842 // SkipValue, set the skips to one less than what is required.\r
2843 //\r
2844 SkipValue = OldSkipValue + (Temp - BottomRow) - 1;\r
2845 }\r
2846 } else {\r
2847 if ((OldSkipValue + 1) == (INTN) SavedMenuOption->Skip) {\r
2848 TopOfScreen = TopOfScreen->ForwardLink;\r
2849 break;\r
2850 } else {\r
2851 SkipValue = OldSkipValue;\r
2852 }\r
2853 }\r
2854 //\r
2855 // If the op-code at the top of the screen is more than one line, let's not skip it yet\r
2856 // Let's set a skip flag to smoothly scroll the top of the screen.\r
2857 //\r
2858 if (SavedMenuOption->Skip > 1) {\r
2859 if (SavedMenuOption == NextMenuOption) {\r
2860 SkipValue = 0;\r
2861 } else {\r
2862 SkipValue++;\r
2863 }\r
2864 } else {\r
2865 SkipValue = 0;\r
2866 TopOfScreen = TopOfScreen->ForwardLink;\r
2867 }\r
2868 } while (SavedMenuOption->Skip == 0);\r
2869\r
2870 Repaint = TRUE;\r
2871 OldSkipValue = SkipValue;\r
2872 }\r
2873\r
2874 MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
2875\r
2876 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2877\r
2878 } else {\r
2879 SavedMenuOption = MenuOption;\r
2880 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2881 if (!IsSelectable (MenuOption)) {\r
2882 //\r
2883 // If we are at the end of the list and sitting on a text op, we need to more forward\r
2884 //\r
2885 ScreenOperation = UiUp;\r
2886 ControlFlag = CfScreenOperation;\r
2887 break;\r
2888 }\r
2889\r
2890 MenuOption = SavedMenuOption;\r
2891 //\r
2892 // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.\r
2893 //\r
2894 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2895 }\r
2896 break;\r
2897\r
2898 case CfUiSave:\r
2899 ControlFlag = CfCheckSelection;\r
2900\r
2901 //\r
2902 // Submit the form\r
2903 //\r
2904 Status = SubmitForm (Selection->FormSet, Selection->Form);\r
2905\r
2906 if (!EFI_ERROR (Status)) {\r
2907 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2908 UpdateStatusBar (NV_UPDATE_REQUIRED, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2909 } else {\r
2910 do {\r
2911 CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gSaveFailed, gPressEnter, gEmptyString);\r
2912 } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r
2913\r
2914 Repaint = TRUE;\r
2915 NewLine = TRUE;\r
2916 }\r
2917 break;\r
2918\r
2919 case CfUiDefault:\r
2920 ControlFlag = CfCheckSelection;\r
2921\r
2922 Status = ExtractFormDefault (Selection->FormSet, Selection->Form, DefaultId);\r
2923\r
2924 if (!EFI_ERROR (Status)) {\r
2925 Selection->Action = UI_ACTION_REFRESH_FORM;\r
ebe43565 2926 Selection->Statement = NULL;\r
7936fb6a 2927\r
2928 //\r
2929 // Show NV update flag on status bar\r
2930 //\r
2931 gNvUpdateRequired = TRUE;\r
2932 }\r
2933 break;\r
2934\r
2935 case CfUiNoOperation:\r
2936 ControlFlag = CfCheckSelection;\r
2937 break;\r
2938\r
2939 case CfExit:\r
2940 UiFreeRefreshList ();\r
2941\r
2942 gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r
2943 gST->ConOut->SetCursorPosition (gST->ConOut, 0, Row + 4);\r
2944 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
2945 gST->ConOut->OutputString (gST->ConOut, L"\n");\r
2946\r
2947 return EFI_SUCCESS;\r
2948\r
2949 default:\r
2950 break;\r
2951 }\r
2952 }\r
2953}\r
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