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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
120\r
7936fb6a 121\r
122/**\r
123 Set Buffer to Value for Size bytes.\r
124\r
125 @param Buffer Memory to set.\r
126 @param Size Number of bytes to set\r
127 @param Value Value of the set operation.\r
128\r
2e95d2b7 129 @return Value.\r
130\r
7936fb6a 131**/\r
132VOID\r
133SetUnicodeMem (\r
134 IN VOID *Buffer,\r
135 IN UINTN Size,\r
136 IN CHAR16 Value\r
137 )\r
138{\r
139 CHAR16 *Ptr;\r
140\r
141 Ptr = Buffer;\r
142 while ((Size--) != 0) {\r
143 *(Ptr++) = Value;\r
144 }\r
145}\r
146\r
147\r
148/**\r
149 Initialize Menu option list.\r
150\r
151**/\r
152VOID\r
153UiInitMenu (\r
154 VOID\r
155 )\r
156{\r
157 InitializeListHead (&Menu);\r
158}\r
159\r
160\r
161/**\r
162 Initialize Menu option list.\r
163\r
164**/\r
165VOID\r
166UiInitMenuList (\r
167 VOID\r
168 )\r
169{\r
170 InitializeListHead (&gMenuList);\r
171}\r
172\r
173\r
174/**\r
175 Remove a Menu in list, and return FormId/QuestionId for previous Menu.\r
176\r
177 @param Selection Menu selection.\r
178\r
179**/\r
180VOID\r
181UiRemoveMenuListEntry (\r
182 OUT UI_MENU_SELECTION *Selection\r
183 )\r
184{\r
185 UI_MENU_LIST *UiMenuList;\r
186\r
187 if (!IsListEmpty (&gMenuList)) {\r
188 UiMenuList = CR (gMenuList.ForwardLink, UI_MENU_LIST, MenuLink, UI_MENU_LIST_SIGNATURE);\r
189\r
190 Selection->FormId = UiMenuList->FormId;\r
191 Selection->QuestionId = UiMenuList->QuestionId;\r
192 RemoveEntryList (&UiMenuList->MenuLink);\r
193 gBS->FreePool (UiMenuList);\r
194 }\r
195}\r
196\r
197\r
198/**\r
199 Free Menu option linked list.\r
200\r
201**/\r
202VOID\r
203UiFreeMenuList (\r
204 VOID\r
205 )\r
206{\r
207 UI_MENU_LIST *UiMenuList;\r
208\r
209 while (!IsListEmpty (&gMenuList)) {\r
210 UiMenuList = CR (gMenuList.ForwardLink, UI_MENU_LIST, MenuLink, UI_MENU_LIST_SIGNATURE);\r
211 RemoveEntryList (&UiMenuList->MenuLink);\r
212 gBS->FreePool (UiMenuList);\r
213 }\r
214}\r
215\r
216\r
217/**\r
218 Add one menu entry to the linked lst\r
219\r
220 @param Selection Menu selection.\r
221\r
222**/\r
223VOID\r
224UiAddMenuListEntry (\r
225 IN UI_MENU_SELECTION *Selection\r
226 )\r
227{\r
228 UI_MENU_LIST *UiMenuList;\r
229\r
230 UiMenuList = AllocateZeroPool (sizeof (UI_MENU_LIST));\r
231 ASSERT (UiMenuList != NULL);\r
232\r
233 UiMenuList->Signature = UI_MENU_LIST_SIGNATURE;\r
234 UiMenuList->FormId = Selection->FormId;\r
235 UiMenuList->QuestionId = Selection->QuestionId;\r
236\r
237 InsertHeadList (&gMenuList, &UiMenuList->MenuLink);\r
238}\r
239\r
240\r
241/**\r
242 Free Menu option linked list.\r
243\r
244**/\r
245VOID\r
246UiFreeMenu (\r
247 VOID\r
248 )\r
249{\r
250 UI_MENU_OPTION *MenuOption;\r
251\r
252 while (!IsListEmpty (&Menu)) {\r
253 MenuOption = MENU_OPTION_FROM_LINK (Menu.ForwardLink);\r
254 RemoveEntryList (&MenuOption->Link);\r
255\r
256 //\r
257 // We allocated space for this description when we did a GetToken, free it here\r
258 //\r
259 if (MenuOption->Skip != 0) {\r
260 //\r
261 // For date/time, MenuOption->Description is shared by three Menu Options\r
262 // Data format : [01/02/2004] [11:22:33]\r
263 // Line number : 0 0 1 0 0 1\r
264 //\r
265 gBS->FreePool (MenuOption->Description);\r
266 }\r
267 gBS->FreePool (MenuOption);\r
268 }\r
269}\r
270\r
271\r
272/**\r
273 Free Menu option linked list.\r
274\r
275**/\r
276VOID\r
277UiFreeRefreshList (\r
278 VOID\r
279 )\r
280{\r
281 MENU_REFRESH_ENTRY *OldMenuRefreshEntry;\r
282\r
283 while (gMenuRefreshHead != NULL) {\r
284 OldMenuRefreshEntry = gMenuRefreshHead->Next;\r
285 gBS->FreePool (gMenuRefreshHead);\r
286 gMenuRefreshHead = OldMenuRefreshEntry;\r
287 }\r
288\r
289 gMenuRefreshHead = NULL;\r
290}\r
291\r
292\r
293\r
294/**\r
295 Refresh screen.\r
296\r
297**/\r
298VOID\r
299RefreshForm (\r
300 VOID\r
301 )\r
302{\r
303 CHAR16 *OptionString;\r
304 MENU_REFRESH_ENTRY *MenuRefreshEntry;\r
305 UINTN Index;\r
306 UINTN Loop;\r
307 EFI_STATUS Status;\r
308 UI_MENU_SELECTION *Selection;\r
309 FORM_BROWSER_STATEMENT *Question;\r
310\r
311 OptionString = NULL;\r
312\r
313 if (gMenuRefreshHead != NULL) {\r
314\r
315 MenuRefreshEntry = gMenuRefreshHead;\r
316\r
317 do {\r
318 gST->ConOut->SetAttribute (gST->ConOut, MenuRefreshEntry->CurrentAttribute);\r
319\r
320 Selection = MenuRefreshEntry->Selection;\r
321 Question = MenuRefreshEntry->MenuOption->ThisTag;\r
322\r
323 //\r
324 // Don't update Question being edited\r
325 //\r
326 if (Question != MenuRefreshEntry->Selection->Statement) {\r
327\r
328 Status = GetQuestionValue (Selection->FormSet, Selection->Form, Question, FALSE);\r
329 if (EFI_ERROR (Status)) {\r
330 return;\r
331 }\r
332\r
333 ProcessOptions (Selection, MenuRefreshEntry->MenuOption, FALSE, &OptionString);\r
334\r
335 if (OptionString != NULL) {\r
336 //\r
337 // If leading spaces on OptionString - remove the spaces\r
338 //\r
339 for (Index = 0; OptionString[Index] == L' '; Index++)\r
340 ;\r
341\r
342 for (Loop = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
343 OptionString[Loop] = OptionString[Index];\r
344 Loop++;\r
345 }\r
346\r
347 OptionString[Loop] = CHAR_NULL;\r
348\r
349 PrintStringAt (MenuRefreshEntry->CurrentColumn, MenuRefreshEntry->CurrentRow, OptionString);\r
350 gBS->FreePool (OptionString);\r
351 }\r
352 }\r
353\r
354 MenuRefreshEntry = MenuRefreshEntry->Next;\r
355\r
356 } while (MenuRefreshEntry != NULL);\r
357 }\r
358}\r
359\r
360\r
361/**\r
362 Wait for a given event to fire, or for an optional timeout to expire.\r
363\r
364 @param Event The event to wait for\r
365 @param Timeout An optional timeout value in 100 ns units.\r
366 @param RefreshInterval Menu refresh interval (in seconds).\r
367\r
368 @retval EFI_SUCCESS Event fired before Timeout expired.\r
369 @retval EFI_TIME_OUT Timout expired before Event fired.\r
370\r
371**/\r
372EFI_STATUS\r
373UiWaitForSingleEvent (\r
374 IN EFI_EVENT Event,\r
375 IN UINT64 Timeout, OPTIONAL\r
376 IN UINT8 RefreshInterval OPTIONAL\r
377 )\r
378{\r
379 EFI_STATUS Status;\r
380 UINTN Index;\r
381 EFI_EVENT TimerEvent;\r
382 EFI_EVENT WaitList[2];\r
383\r
384 if (Timeout != 0) {\r
385 //\r
386 // Create a timer event\r
387 //\r
388 Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);\r
389 if (!EFI_ERROR (Status)) {\r
390 //\r
391 // Set the timer event\r
392 //\r
393 gBS->SetTimer (\r
394 TimerEvent,\r
395 TimerRelative,\r
396 Timeout\r
397 );\r
398\r
399 //\r
400 // Wait for the original event or the timer\r
401 //\r
402 WaitList[0] = Event;\r
403 WaitList[1] = TimerEvent;\r
404 Status = gBS->WaitForEvent (2, WaitList, &Index);\r
405 gBS->CloseEvent (TimerEvent);\r
406\r
407 //\r
408 // If the timer expired, change the return to timed out\r
409 //\r
410 if (!EFI_ERROR (Status) && Index == 1) {\r
411 Status = EFI_TIMEOUT;\r
412 }\r
413 }\r
414 } else {\r
415 //\r
416 // Update screen every second\r
417 //\r
418 if (RefreshInterval == 0) {\r
419 Timeout = ONE_SECOND;\r
420 } else {\r
421 Timeout = RefreshInterval * ONE_SECOND;\r
422 }\r
423\r
424 do {\r
425 Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);\r
426\r
427 //\r
428 // Set the timer event\r
429 //\r
430 gBS->SetTimer (\r
431 TimerEvent,\r
432 TimerRelative,\r
433 Timeout\r
434 );\r
435\r
436 //\r
437 // Wait for the original event or the timer\r
438 //\r
439 WaitList[0] = Event;\r
440 WaitList[1] = TimerEvent;\r
441 Status = gBS->WaitForEvent (2, WaitList, &Index);\r
442\r
443 //\r
444 // If the timer expired, update anything that needs a refresh and keep waiting\r
445 //\r
446 if (!EFI_ERROR (Status) && Index == 1) {\r
447 Status = EFI_TIMEOUT;\r
448 if (RefreshInterval != 0) {\r
449 RefreshForm ();\r
450 }\r
451 }\r
452\r
453 gBS->CloseEvent (TimerEvent);\r
454 } while (Status == EFI_TIMEOUT);\r
455 }\r
456\r
457 return Status;\r
458}\r
459\r
460\r
461/**\r
462 Add one menu option by specified description and context.\r
463\r
464 @param String String description for this option.\r
465 @param Handle Hii handle for the package list.\r
466 @param Statement Statement of this Menu Option.\r
467 @param NumberOfLines Display lines for this Menu Option.\r
468 @param MenuItemCount The index for this Option in the Menu.\r
469\r
470**/\r
471VOID\r
472UiAddMenuOption (\r
473 IN CHAR16 *String,\r
474 IN EFI_HII_HANDLE Handle,\r
475 IN FORM_BROWSER_STATEMENT *Statement,\r
476 IN UINT16 NumberOfLines,\r
477 IN UINT16 MenuItemCount\r
478 )\r
479{\r
480 UI_MENU_OPTION *MenuOption;\r
481 UINTN Index;\r
482 UINTN Count;\r
483\r
484 Count = 1;\r
485\r
486 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
487 //\r
488 // Add three MenuOptions for Date/Time\r
489 // Data format : [01/02/2004] [11:22:33]\r
490 // Line number : 0 0 1 0 0 1\r
491 //\r
492 NumberOfLines = 0;\r
493 Count = 3;\r
494\r
495 if (Statement->Storage == NULL) {\r
496 //\r
497 // For RTC type of date/time, set default refresh interval to be 1 second\r
498 //\r
499 if (Statement->RefreshInterval == 0) {\r
500 Statement->RefreshInterval = 1;\r
501 }\r
502 }\r
503 }\r
504\r
505 for (Index = 0; Index < Count; Index++) {\r
506 MenuOption = AllocateZeroPool (sizeof (UI_MENU_OPTION));\r
507 ASSERT (MenuOption);\r
508\r
509 MenuOption->Signature = UI_MENU_OPTION_SIGNATURE;\r
510 MenuOption->Description = String;\r
511 MenuOption->Handle = Handle;\r
512 MenuOption->ThisTag = Statement;\r
513 MenuOption->EntryNumber = MenuItemCount;\r
514\r
515 if (Index == 2) {\r
516 //\r
517 // Override LineNumber for the MenuOption in Date/Time sequence\r
518 //\r
519 MenuOption->Skip = 1;\r
520 } else {\r
521 MenuOption->Skip = NumberOfLines;\r
522 }\r
523 MenuOption->Sequence = Index;\r
524\r
525 if (Statement->GrayOutExpression != NULL) {\r
526 MenuOption->GrayOut = Statement->GrayOutExpression->Result.Value.b;\r
527 }\r
528\r
529 if ((Statement->ValueExpression != NULL) ||\r
530 ((Statement->QuestionFlags & EFI_IFR_FLAG_READ_ONLY) != 0)) {\r
531 MenuOption->ReadOnly = TRUE;\r
532 }\r
533\r
534 InsertTailList (&Menu, &MenuOption->Link);\r
535 }\r
536}\r
537\r
538\r
539/**\r
540 Routine used to abstract a generic dialog interface and return the selected key or string\r
541\r
542 @param NumberOfLines The number of lines for the dialog box\r
543 @param HotKey Defines whether a single character is parsed\r
544 (TRUE) and returned in KeyValue or a string is\r
545 returned in StringBuffer. Two special characters\r
546 are considered when entering a string, a SCAN_ESC\r
547 and an CHAR_CARRIAGE_RETURN. SCAN_ESC terminates\r
548 string input and returns\r
549 @param MaximumStringSize The maximum size in bytes of a typed in string\r
550 (each character is a CHAR16) and the minimum\r
551 string returned is two bytes\r
552 @param StringBuffer The passed in pointer to the buffer which will\r
553 hold the typed in string if HotKey is FALSE\r
554 @param KeyValue The EFI_KEY value returned if HotKey is TRUE..\r
7936fb6a 555 @param ... A series of (quantity == NumberOfLines) text\r
556 strings which will be used to construct the dialog\r
557 box\r
558\r
559 @retval EFI_SUCCESS Displayed dialog and received user interaction\r
560 @retval EFI_INVALID_PARAMETER One of the parameters was invalid (e.g.\r
561 (StringBuffer == NULL) && (HotKey == FALSE))\r
562 @retval EFI_DEVICE_ERROR User typed in an ESC character to exit the routine\r
563\r
564**/\r
565EFI_STATUS\r
566CreateDialog (\r
567 IN UINTN NumberOfLines,\r
568 IN BOOLEAN HotKey,\r
569 IN UINTN MaximumStringSize,\r
570 OUT CHAR16 *StringBuffer,\r
571 OUT EFI_INPUT_KEY *KeyValue,\r
7936fb6a 572 ...\r
573 )\r
574{\r
575 VA_LIST Marker;\r
f4bcc90f 576 VA_LIST MarkerBackup;\r
7936fb6a 577 UINTN Count;\r
578 EFI_INPUT_KEY Key;\r
579 UINTN LargestString;\r
580 CHAR16 *TempString;\r
581 CHAR16 *BufferedString;\r
582 CHAR16 *StackString;\r
583 CHAR16 KeyPad[2];\r
584 UINTN Start;\r
585 UINTN Top;\r
586 UINTN Index;\r
587 EFI_STATUS Status;\r
588 BOOLEAN SelectionComplete;\r
589 UINTN InputOffset;\r
590 UINTN CurrentAttribute;\r
591 UINTN DimensionsWidth;\r
592 UINTN DimensionsHeight;\r
593\r
594 DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r
595 DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;\r
596\r
597 SelectionComplete = FALSE;\r
598 InputOffset = 0;\r
599 TempString = AllocateZeroPool (MaximumStringSize * 2);\r
600 BufferedString = AllocateZeroPool (MaximumStringSize * 2);\r
601 CurrentAttribute = gST->ConOut->Mode->Attribute;\r
602\r
603 ASSERT (TempString);\r
604 ASSERT (BufferedString);\r
605\r
f4bcc90f 606 VA_START (Marker, KeyValue);\r
607 MarkerBackup = Marker;\r
7936fb6a 608\r
609 //\r
610 // Zero the outgoing buffer\r
611 //\r
612 ZeroMem (StringBuffer, MaximumStringSize);\r
613\r
614 if (HotKey) {\r
615 if (KeyValue == NULL) {\r
616 return EFI_INVALID_PARAMETER;\r
617 }\r
618 } else {\r
619 if (StringBuffer == NULL) {\r
620 return EFI_INVALID_PARAMETER;\r
621 }\r
622 }\r
623 //\r
624 // Disable cursor\r
625 //\r
626 gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r
627\r
f4bcc90f 628 LargestString = 0;\r
7936fb6a 629\r
7936fb6a 630 //\r
631 // Determine the largest string in the dialog box\r
632 // Notice we are starting with 1 since String is the first string\r
633 //\r
f4bcc90f 634 for (Count = 0; Count < NumberOfLines; Count++) {\r
7936fb6a 635 StackString = VA_ARG (Marker, CHAR16 *);\r
636\r
637 if (StackString[0] == L' ') {\r
638 InputOffset = Count + 1;\r
639 }\r
640\r
641 if ((GetStringWidth (StackString) / 2) > LargestString) {\r
642 //\r
643 // Size of the string visually and subtract the width by one for the null-terminator\r
644 //\r
645 LargestString = (GetStringWidth (StackString) / 2);\r
646 }\r
647 }\r
648\r
649 Start = (DimensionsWidth - LargestString - 2) / 2 + gScreenDimensions.LeftColumn + 1;\r
650 Top = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1;\r
651\r
652 Count = 0;\r
653\r
654 //\r
655 // Display the Popup\r
656 //\r
f4bcc90f 657 CreateSharedPopUp (LargestString, NumberOfLines, MarkerBackup);\r
7936fb6a 658\r
659 //\r
660 // Take the first key typed and report it back?\r
661 //\r
662 if (HotKey) {\r
663 Status = WaitForKeyStroke (&Key);\r
664 ASSERT_EFI_ERROR (Status);\r
665 CopyMem (KeyValue, &Key, sizeof (EFI_INPUT_KEY));\r
666\r
667 } else {\r
668 do {\r
669 Status = WaitForKeyStroke (&Key);\r
670\r
671 switch (Key.UnicodeChar) {\r
672 case CHAR_NULL:\r
673 switch (Key.ScanCode) {\r
674 case SCAN_ESC:\r
675 gBS->FreePool (TempString);\r
676 gBS->FreePool (BufferedString);\r
677 gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
678 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
679 return EFI_DEVICE_ERROR;\r
680\r
681 default:\r
682 break;\r
683 }\r
684\r
685 break;\r
686\r
687 case CHAR_CARRIAGE_RETURN:\r
688 SelectionComplete = TRUE;\r
689 gBS->FreePool (TempString);\r
690 gBS->FreePool (BufferedString);\r
691 gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
692 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
693 return EFI_SUCCESS;\r
694 break;\r
695\r
696 case CHAR_BACKSPACE:\r
697 if (StringBuffer[0] != CHAR_NULL) {\r
698 for (Index = 0; StringBuffer[Index] != CHAR_NULL; Index++) {\r
699 TempString[Index] = StringBuffer[Index];\r
700 }\r
701 //\r
702 // Effectively truncate string by 1 character\r
703 //\r
704 TempString[Index - 1] = CHAR_NULL;\r
705 StrCpy (StringBuffer, TempString);\r
706 }\r
707\r
708 default:\r
709 //\r
710 // If it is the beginning of the string, don't worry about checking maximum limits\r
711 //\r
712 if ((StringBuffer[0] == CHAR_NULL) && (Key.UnicodeChar != CHAR_BACKSPACE)) {\r
713 StrnCpy (StringBuffer, &Key.UnicodeChar, 1);\r
714 StrnCpy (TempString, &Key.UnicodeChar, 1);\r
715 } else if ((GetStringWidth (StringBuffer) < MaximumStringSize) && (Key.UnicodeChar != CHAR_BACKSPACE)) {\r
716 KeyPad[0] = Key.UnicodeChar;\r
717 KeyPad[1] = CHAR_NULL;\r
718 StrCat (StringBuffer, KeyPad);\r
719 StrCat (TempString, KeyPad);\r
720 }\r
721 //\r
722 // If the width of the input string is now larger than the screen, we nee to\r
723 // adjust the index to start printing portions of the string\r
724 //\r
725 SetUnicodeMem (BufferedString, LargestString, L' ');\r
726\r
727 PrintStringAt (Start + 1, Top + InputOffset, BufferedString);\r
728\r
729 if ((GetStringWidth (StringBuffer) / 2) > (DimensionsWidth - 2)) {\r
730 Index = (GetStringWidth (StringBuffer) / 2) - DimensionsWidth + 2;\r
731 } else {\r
732 Index = 0;\r
733 }\r
734\r
735 for (Count = 0; Index + 1 < GetStringWidth (StringBuffer) / 2; Index++, Count++) {\r
736 BufferedString[Count] = StringBuffer[Index];\r
737 }\r
738\r
739 PrintStringAt (Start + 1, Top + InputOffset, BufferedString);\r
740 break;\r
741 }\r
742 } while (!SelectionComplete);\r
743 }\r
744\r
745 gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
746 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
747 return EFI_SUCCESS;\r
748}\r
749\r
750/**\r
751 Draw a pop up windows based on the dimension, number of lines and\r
752 strings specified.\r
753\r
754 @param RequestedWidth The width of the pop-up.\r
755 @param NumberOfLines The number of lines.\r
f4bcc90f 756 @param Marker The variable argument list for the list of string to be printed.\r
7936fb6a 757\r
758**/\r
759VOID\r
760CreateSharedPopUp (\r
761 IN UINTN RequestedWidth,\r
762 IN UINTN NumberOfLines,\r
f4bcc90f 763 IN VA_LIST Marker\r
7936fb6a 764 )\r
765{\r
766 UINTN Index;\r
767 UINTN Count;\r
768 CHAR16 Character;\r
769 UINTN Start;\r
770 UINTN End;\r
771 UINTN Top;\r
772 UINTN Bottom;\r
773 CHAR16 *String;\r
774 UINTN DimensionsWidth;\r
775 UINTN DimensionsHeight;\r
776\r
777 DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r
778 DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;\r
779\r
7936fb6a 780 gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r
781\r
782 if ((RequestedWidth + 2) > DimensionsWidth) {\r
783 RequestedWidth = DimensionsWidth - 2;\r
784 }\r
785\r
786 //\r
787 // Subtract the PopUp width from total Columns, allow for one space extra on\r
788 // each end plus a border.\r
789 //\r
790 Start = (DimensionsWidth - RequestedWidth - 2) / 2 + gScreenDimensions.LeftColumn + 1;\r
791 End = Start + RequestedWidth + 1;\r
792\r
793 Top = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1;\r
794 Bottom = Top + NumberOfLines + 2;\r
795\r
796 Character = BOXDRAW_DOWN_RIGHT;\r
797 PrintCharAt (Start, Top, Character);\r
798 Character = BOXDRAW_HORIZONTAL;\r
799 for (Index = Start; Index + 2 < End; Index++) {\r
800 PrintChar (Character);\r
801 }\r
802\r
803 Character = BOXDRAW_DOWN_LEFT;\r
804 PrintChar (Character);\r
805 Character = BOXDRAW_VERTICAL;\r
f4bcc90f 806\r
807 Count = 0;\r
808 for (Index = Top; Index + 2 < Bottom; Index++, Count++) {\r
809 String = VA_ARG (Marker, CHAR16*);\r
7936fb6a 810\r
811 //\r
812 // This will clear the background of the line - we never know who might have been\r
813 // here before us. This differs from the next clear in that it used the non-reverse\r
814 // video for normal printing.\r
815 //\r
816 if (GetStringWidth (String) / 2 > 1) {\r
817 ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND);\r
818 }\r
819\r
820 //\r
821 // Passing in a space results in the assumption that this is where typing will occur\r
822 //\r
823 if (String[0] == L' ') {\r
824 ClearLines (Start + 1, End - 1, Index + 1, Index + 1, POPUP_INVERSE_TEXT | POPUP_INVERSE_BACKGROUND);\r
825 }\r
826\r
827 //\r
828 // Passing in a NULL results in a blank space\r
829 //\r
830 if (String[0] == CHAR_NULL) {\r
831 ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND);\r
832 }\r
833\r
834 PrintStringAt (\r
835 ((DimensionsWidth - GetStringWidth (String) / 2) / 2) + gScreenDimensions.LeftColumn + 1,\r
836 Index + 1,\r
837 String\r
838 );\r
839 gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r
840 PrintCharAt (Start, Index + 1, Character);\r
841 PrintCharAt (End - 1, Index + 1, Character);\r
842 }\r
843\r
844 Character = BOXDRAW_UP_RIGHT;\r
845 PrintCharAt (Start, Bottom - 1, Character);\r
846 Character = BOXDRAW_HORIZONTAL;\r
847 for (Index = Start; Index + 2 < End; Index++) {\r
848 PrintChar (Character);\r
849 }\r
850\r
851 Character = BOXDRAW_UP_LEFT;\r
852 PrintChar (Character);\r
853}\r
854\r
855/**\r
856 Draw a pop up windows based on the dimension, number of lines and\r
857 strings specified.\r
858\r
859 @param RequestedWidth The width of the pop-up.\r
860 @param NumberOfLines The number of lines.\r
7936fb6a 861 @param ... A series of text strings that displayed in the pop-up.\r
862\r
863**/\r
864VOID\r
865CreatePopUp (\r
866 IN UINTN RequestedWidth,\r
867 IN UINTN NumberOfLines,\r
7936fb6a 868 ...\r
869 )\r
870{\r
f4bcc90f 871 VA_LIST Marker;\r
872\r
873 VA_START (Marker, NumberOfLines);\r
874 \r
875 CreateSharedPopUp (RequestedWidth, NumberOfLines, Marker);\r
876\r
877 VA_END (Marker);\r
7936fb6a 878}\r
879\r
880\r
881/**\r
882 Update status bar on the bottom of menu.\r
883\r
884 @param MessageType The type of message to be shown.\r
885 @param Flags The flags in Question header.\r
886 @param State Set or clear.\r
887\r
888**/\r
889VOID\r
890UpdateStatusBar (\r
891 IN UINTN MessageType,\r
892 IN UINT8 Flags,\r
893 IN BOOLEAN State\r
894 )\r
895{\r
896 UINTN Index;\r
7936fb6a 897 CHAR16 *NvUpdateMessage;\r
898 CHAR16 *InputErrorMessage;\r
899\r
900 NvUpdateMessage = GetToken (STRING_TOKEN (NV_UPDATE_MESSAGE), gHiiHandle);\r
901 InputErrorMessage = GetToken (STRING_TOKEN (INPUT_ERROR_MESSAGE), gHiiHandle);\r
902\r
903 switch (MessageType) {\r
904 case INPUT_ERROR:\r
905 if (State) {\r
906 gST->ConOut->SetAttribute (gST->ConOut, ERROR_TEXT);\r
907 PrintStringAt (\r
908 gScreenDimensions.LeftColumn + gPromptBlockWidth,\r
909 gScreenDimensions.BottomRow - 1,\r
910 InputErrorMessage\r
911 );\r
19b15d63 912 mInputError = TRUE;\r
7936fb6a 913 } else {\r
914 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT);\r
915 for (Index = 0; Index < (GetStringWidth (InputErrorMessage) - 2) / 2; Index++) {\r
916 PrintAt (gScreenDimensions.LeftColumn + gPromptBlockWidth + Index, gScreenDimensions.BottomRow - 1, L" ");\r
917 }\r
918\r
19b15d63 919 mInputError = FALSE;\r
7936fb6a 920 }\r
921 break;\r
922\r
923 case NV_UPDATE_REQUIRED:\r
924 if (gClassOfVfr != EFI_FRONT_PAGE_SUBCLASS) {\r
925 if (State) {\r
926 gST->ConOut->SetAttribute (gST->ConOut, INFO_TEXT);\r
927 PrintStringAt (\r
928 gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth,\r
929 gScreenDimensions.BottomRow - 1,\r
930 NvUpdateMessage\r
931 );\r
932 gResetRequired = (BOOLEAN) (gResetRequired | ((Flags & EFI_IFR_FLAG_RESET_REQUIRED) == EFI_IFR_FLAG_RESET_REQUIRED));\r
933\r
934 gNvUpdateRequired = TRUE;\r
935 } else {\r
936 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT);\r
937 for (Index = 0; Index < (GetStringWidth (NvUpdateMessage) - 2) / 2; Index++) {\r
938 PrintAt (\r
939 (gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + Index),\r
940 gScreenDimensions.BottomRow - 1,\r
941 L" "\r
942 );\r
943 }\r
944\r
945 gNvUpdateRequired = FALSE;\r
946 }\r
947 }\r
948 break;\r
949\r
950 case REFRESH_STATUS_BAR:\r
19b15d63 951 if (mInputError) {\r
7936fb6a 952 UpdateStatusBar (INPUT_ERROR, Flags, TRUE);\r
953 }\r
954\r
955 if (gNvUpdateRequired) {\r
956 UpdateStatusBar (NV_UPDATE_REQUIRED, Flags, TRUE);\r
957 }\r
958 break;\r
959\r
960 default:\r
961 break;\r
962 }\r
963\r
964 gBS->FreePool (InputErrorMessage);\r
965 gBS->FreePool (NvUpdateMessage);\r
966 return ;\r
967}\r
968\r
969\r
970/**\r
971 Get the supported width for a particular op-code\r
972\r
973 @param Statement The FORM_BROWSER_STATEMENT structure passed in.\r
974 @param Handle The handle in the HII database being used\r
975\r
976 @return Returns the number of CHAR16 characters that is support.\r
977\r
978**/\r
979UINT16\r
980GetWidth (\r
981 IN FORM_BROWSER_STATEMENT *Statement,\r
982 IN EFI_HII_HANDLE Handle\r
983 )\r
984{\r
985 CHAR16 *String;\r
986 UINTN Size;\r
987 UINT16 Width;\r
988\r
989 Size = 0;\r
990\r
991 //\r
992 // See if the second text parameter is really NULL\r
993 //\r
994 if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) {\r
995 String = GetToken (Statement->TextTwo, Handle);\r
996 Size = StrLen (String);\r
997 gBS->FreePool (String);\r
998 }\r
999\r
1000 if ((Statement->Operand == EFI_IFR_SUBTITLE_OP) ||\r
1001 (Statement->Operand == EFI_IFR_REF_OP) ||\r
1002 (Statement->Operand == EFI_IFR_PASSWORD_OP) ||\r
1003 (Statement->Operand == EFI_IFR_ACTION_OP) ||\r
1004 (Statement->Operand == EFI_IFR_RESET_BUTTON_OP) ||\r
1005 //\r
1006 // Allow a wide display if text op-code and no secondary text op-code\r
1007 //\r
1008 ((Statement->Operand == EFI_IFR_TEXT_OP) && (Size == 0))\r
1009 ) {\r
1010 Width = (UINT16) (gPromptBlockWidth + gOptionBlockWidth);\r
1011 } else {\r
1012 Width = (UINT16) gPromptBlockWidth;\r
1013 }\r
1014\r
1015 if (Statement->InSubtitle) {\r
1016 Width -= SUBTITLE_INDENT;\r
1017 }\r
1018\r
1019 return Width;\r
1020}\r
1021\r
1022\r
fe1e36e5 1023BOOLEAN GetLineByWidthFinished = FALSE;\r
7936fb6a 1024\r
1025/**\r
1026 Will copy LineWidth amount of a string in the OutputString buffer and return the\r
1027 number of CHAR16 characters that were copied into the OutputString buffer.\r
1028\r
1029 @param InputString String description for this option.\r
1030 @param LineWidth Width of the desired string to extract in CHAR16\r
1031 characters\r
1032 @param Index Where in InputString to start the copy process\r
1033 @param OutputString Buffer to copy the string into\r
1034\r
1035 @return Returns the number of CHAR16 characters that were copied into the OutputString buffer.\r
1036\r
1037**/\r
1038UINT16\r
1039GetLineByWidth (\r
1040 IN CHAR16 *InputString,\r
1041 IN UINT16 LineWidth,\r
1042 IN OUT UINTN *Index,\r
1043 OUT CHAR16 **OutputString\r
1044 )\r
1045{\r
1046 UINT16 Count;\r
1047 UINT16 Count2;\r
1048\r
1049 if (GetLineByWidthFinished) {\r
1050 GetLineByWidthFinished = FALSE;\r
1051 return (UINT16) 0;\r
1052 }\r
1053\r
1054 Count = LineWidth;\r
1055 Count2 = 0;\r
1056\r
1057 *OutputString = AllocateZeroPool (((UINTN) (LineWidth + 1) * 2));\r
1058\r
1059 //\r
1060 // Ensure we have got a valid buffer\r
1061 //\r
1062 if (*OutputString != NULL) {\r
1063\r
1064 //\r
1065 //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
1066 //To avoid displaying this empty line in screen, just skip the two CHARs here.\r
1067 //\r
1068 if ((InputString[*Index] == NARROW_CHAR) && (InputString[*Index + 1] == CHAR_CARRIAGE_RETURN)) {\r
1069 *Index = *Index + 2;\r
1070 }\r
1071\r
1072 //\r
1073 // Fast-forward the string and see if there is a carriage-return in the string\r
1074 //\r
1075 for (; (InputString[*Index + Count2] != CHAR_CARRIAGE_RETURN) && (Count2 != LineWidth); Count2++)\r
1076 ;\r
1077\r
1078 //\r
1079 // Copy the desired LineWidth of data to the output buffer.\r
1080 // Also make sure that we don't copy more than the string.\r
1081 // Also make sure that if there are linefeeds, we account for them.\r
1082 //\r
1083 if ((StrSize (&InputString[*Index]) <= ((UINTN) (LineWidth + 1) * 2)) &&\r
1084 (StrSize (&InputString[*Index]) <= ((UINTN) (Count2 + 1) * 2))\r
1085 ) {\r
1086 //\r
1087 // Convert to CHAR16 value and show that we are done with this operation\r
1088 //\r
1089 LineWidth = (UINT16) ((StrSize (&InputString[*Index]) - 2) / 2);\r
1090 if (LineWidth != 0) {\r
1091 GetLineByWidthFinished = TRUE;\r
1092 }\r
1093 } else {\r
1094 if (Count2 == LineWidth) {\r
1095 //\r
1096 // Rewind the string from the maximum size until we see a space to break the line\r
1097 //\r
1098 for (; (InputString[*Index + LineWidth] != CHAR_SPACE) && (LineWidth != 0); LineWidth--)\r
1099 ;\r
1100 if (LineWidth == 0) {\r
1101 LineWidth = Count;\r
1102 }\r
1103 } else {\r
1104 LineWidth = Count2;\r
1105 }\r
1106 }\r
1107\r
1108 CopyMem (*OutputString, &InputString[*Index], LineWidth * 2);\r
1109\r
1110 //\r
1111 // If currently pointing to a space, increment the index to the first non-space character\r
1112 //\r
1113 for (;\r
1114 (InputString[*Index + LineWidth] == CHAR_SPACE) || (InputString[*Index + LineWidth] == CHAR_CARRIAGE_RETURN);\r
1115 (*Index)++\r
1116 )\r
1117 ;\r
1118 *Index = (UINT16) (*Index + LineWidth);\r
1119 return LineWidth;\r
1120 } else {\r
1121 return (UINT16) 0;\r
1122 }\r
1123}\r
1124\r
1125\r
1126/**\r
1127 Update display lines for a Menu Option.\r
1128\r
1129 @param Selection The user's selection.\r
1130 @param MenuOption The MenuOption to be checked.\r
1131 @param OptionalString The option string.\r
1132 @param SkipValue The number of lins to skip.\r
1133\r
7936fb6a 1134**/\r
1135VOID\r
1136UpdateOptionSkipLines (\r
1137 IN UI_MENU_SELECTION *Selection,\r
1138 IN UI_MENU_OPTION *MenuOption,\r
1139 OUT CHAR16 **OptionalString,\r
1140 IN UINTN SkipValue\r
1141 )\r
1142{\r
1143 UINTN Index;\r
1144 UINT16 Width;\r
1145 UINTN Row;\r
1146 UINTN OriginalRow;\r
1147 CHAR16 *OutputString;\r
1148 CHAR16 *OptionString;\r
1149\r
1150 Row = 0;\r
1151 OptionString = *OptionalString;\r
1152 OutputString = NULL;\r
1153\r
1154 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1155\r
1156 if (OptionString != NULL) {\r
1157 Width = (UINT16) gOptionBlockWidth;\r
1158\r
1159 OriginalRow = Row;\r
1160\r
1161 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1162 //\r
1163 // If there is more string to process print on the next row and increment the Skip value\r
1164 //\r
1165 if (StrLen (&OptionString[Index])) {\r
1166 if (SkipValue == 0) {\r
1167 Row++;\r
1168 //\r
1169 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1170 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1171 // some testing to ensure we are keeping this in-sync.\r
1172 //\r
1173 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1174 //\r
1175 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1176 MenuOption->Skip++;\r
1177 }\r
1178 }\r
1179 }\r
1180\r
1181 gBS->FreePool (OutputString);\r
1182 if (SkipValue != 0) {\r
1183 SkipValue--;\r
1184 }\r
1185 }\r
1186\r
1187 Row = OriginalRow;\r
1188 }\r
1189\r
1190 *OptionalString = OptionString;\r
1191}\r
1192\r
1193\r
1194/**\r
1195 Check whether this Menu Option could be highlighted.\r
1196\r
1197 This is an internal function.\r
1198\r
1199 @param MenuOption The MenuOption to be checked.\r
1200\r
1201 @retval TRUE This Menu Option is selectable.\r
1202 @retval FALSE This Menu Option could not be selected.\r
1203\r
1204**/\r
1205BOOLEAN\r
1206IsSelectable (\r
1207 UI_MENU_OPTION *MenuOption\r
1208 )\r
1209{\r
1210 if ((MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) ||\r
1211 MenuOption->GrayOut || MenuOption->ReadOnly) {\r
1212 return FALSE;\r
1213 } else {\r
1214 return TRUE;\r
1215 }\r
1216}\r
1217\r
1218\r
1219/**\r
1220 Determine if the menu is the last menu that can be selected.\r
1221\r
1222 This is an internal function.\r
1223 \r
1224 @param Direction The scroll direction. False is down. True is up.\r
1225 @param CurrentPos The current focus.\r
1226\r
1227 @return FALSE -- the menu isn't the last menu that can be selected.\r
1228 @return TRUE -- the menu is the last menu that can be selected.\r
1229\r
1230**/\r
1231BOOLEAN\r
1232ValueIsScroll (\r
1233 IN BOOLEAN Direction,\r
1234 IN LIST_ENTRY *CurrentPos\r
1235 )\r
1236{\r
1237 LIST_ENTRY *Temp;\r
1238 UI_MENU_OPTION *MenuOption;\r
1239\r
1240 Temp = Direction ? CurrentPos->BackLink : CurrentPos->ForwardLink;\r
1241\r
1242 if (Temp == &Menu) {\r
1243 return TRUE;\r
1244 }\r
1245\r
1246 for (; Temp != &Menu; Temp = Direction ? Temp->BackLink : Temp->ForwardLink) {\r
1247 MenuOption = MENU_OPTION_FROM_LINK (Temp);\r
1248 if (IsSelectable (MenuOption)) {\r
1249 return FALSE;\r
1250 }\r
1251 }\r
1252\r
1253 return TRUE;\r
1254}\r
1255\r
1256\r
1257/**\r
1258 Move to next selectable statement.\r
1259 \r
1260 This is an internal function.\r
1261 \r
1262 @param GoUp The navigation direction. TRUE: up, FALSE: down.\r
1263 @param CurrentPosition Current position.\r
1264\r
1265 @return The row distance from current MenuOption to next selectable MenuOption.\r
1266\r
1267**/\r
1268INTN\r
1269MoveToNextStatement (\r
1270 IN BOOLEAN GoUp,\r
1271 IN OUT LIST_ENTRY **CurrentPosition\r
1272 )\r
1273{\r
1274 INTN Distance;\r
1275 LIST_ENTRY *Pos;\r
1276 BOOLEAN HitEnd;\r
1277 UI_MENU_OPTION *NextMenuOption;\r
1278\r
1279 Distance = 0;\r
1280 Pos = *CurrentPosition;\r
1281 HitEnd = FALSE;\r
1282\r
1283 while (TRUE) {\r
1284 NextMenuOption = MENU_OPTION_FROM_LINK (Pos);\r
1285 if (IsSelectable (NextMenuOption)) {\r
1286 break;\r
1287 }\r
1288 if ((GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) {\r
1289 HitEnd = TRUE;\r
1290 break;\r
1291 }\r
1292 Distance += NextMenuOption->Skip;\r
1293 Pos = (GoUp ? Pos->BackLink : Pos->ForwardLink);\r
1294 }\r
1295\r
1296 if (HitEnd) {\r
1297 //\r
1298 // If we hit end there is still no statement can be focused,\r
1299 // we go backwards to find the statement can be focused.\r
1300 //\r
1301 Distance = 0;\r
1302 Pos = *CurrentPosition;\r
1303\r
1304 while (TRUE) {\r
1305 NextMenuOption = MENU_OPTION_FROM_LINK (Pos);\r
1306 if (IsSelectable (NextMenuOption)) {\r
1307 break;\r
1308 }\r
1309 if ((!GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) {\r
1310 ASSERT (FALSE);\r
1311 break;\r
1312 }\r
1313 Distance -= NextMenuOption->Skip;\r
1314 Pos = (!GoUp ? Pos->BackLink : Pos->ForwardLink);\r
1315 }\r
1316 }\r
1317\r
1318 *CurrentPosition = &NextMenuOption->Link;\r
1319 return Distance;\r
1320}\r
1321\r
1322\r
1323/**\r
1324 Adjust Data and Time position accordingly.\r
1325 Data format : [01/02/2004] [11:22:33]\r
1326 Line number : 0 0 1 0 0 1\r
1327 \r
1328 This is an internal function.\r
1329\r
1330 @param DirectionUp the up or down direction. False is down. True is\r
1331 up.\r
1332 @param CurrentPosition Current position. On return: Point to the last\r
1333 Option (Year or Second) if up; Point to the first\r
1334 Option (Month or Hour) if down.\r
1335\r
1336 @return Return line number to pad. It is possible that we stand on a zero-advance\r
1337 @return data or time opcode, so pad one line when we judge if we are going to scroll outside.\r
1338\r
1339**/\r
1340UINTN\r
1341AdjustDateAndTimePosition (\r
1342 IN BOOLEAN DirectionUp,\r
1343 IN OUT LIST_ENTRY **CurrentPosition\r
1344 )\r
1345{\r
1346 UINTN Count;\r
1347 LIST_ENTRY *NewPosition;\r
1348 UI_MENU_OPTION *MenuOption;\r
1349 UINTN PadLineNumber;\r
1350\r
1351 PadLineNumber = 0;\r
1352 NewPosition = *CurrentPosition;\r
1353 MenuOption = MENU_OPTION_FROM_LINK (NewPosition);\r
1354\r
1355 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) ||\r
1356 (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
1357 //\r
1358 // Calculate the distance from current position to the last Date/Time MenuOption\r
1359 //\r
1360 Count = 0;\r
1361 while (MenuOption->Skip == 0) {\r
1362 Count++;\r
1363 NewPosition = NewPosition->ForwardLink;\r
1364 MenuOption = MENU_OPTION_FROM_LINK (NewPosition);\r
1365 PadLineNumber = 1;\r
1366 }\r
1367\r
1368 NewPosition = *CurrentPosition;\r
1369 if (DirectionUp) {\r
1370 //\r
1371 // Since the behavior of hitting the up arrow on a Date/Time MenuOption is intended\r
1372 // to be one that back to the previous set of MenuOptions, we need to advance to the first\r
1373 // Date/Time MenuOption and leave the remaining logic in CfUiUp intact so the appropriate\r
1374 // checking can be done.\r
1375 //\r
1376 while (Count++ < 2) {\r
1377 NewPosition = NewPosition->BackLink;\r
1378 }\r
1379 } else {\r
1380 //\r
1381 // Since the behavior of hitting the down arrow on a Date/Time MenuOption is intended\r
1382 // to be one that progresses to the next set of MenuOptions, we need to advance to the last\r
1383 // Date/Time MenuOption and leave the remaining logic in CfUiDown intact so the appropriate\r
1384 // checking can be done.\r
1385 //\r
1386 while (Count-- > 0) {\r
1387 NewPosition = NewPosition->ForwardLink;\r
1388 }\r
1389 }\r
1390\r
1391 *CurrentPosition = NewPosition;\r
1392 }\r
1393\r
1394 return PadLineNumber;\r
1395}\r
1396\r
1397\r
1398/**\r
1399 Display menu and wait for user to select one menu option, then return it.\r
1400 If AutoBoot is enabled, then if user doesn't select any option,\r
1401 after period of time, it will automatically return the first menu option.\r
1402\r
1403 @param Selection Menu selection.\r
1404\r
1405 @retval EFI_SUCESSS This function always return successfully for now.\r
1406\r
1407**/\r
1408EFI_STATUS\r
1409UiDisplayMenu (\r
1410 IN OUT UI_MENU_SELECTION *Selection\r
1411 )\r
1412{\r
1413 INTN SkipValue;\r
1414 INTN Difference;\r
1415 INTN OldSkipValue;\r
1416 UINTN DistanceValue;\r
1417 UINTN Row;\r
1418 UINTN Col;\r
1419 UINTN Temp;\r
1420 UINTN Temp2;\r
1421 UINTN TopRow;\r
1422 UINTN BottomRow;\r
1423 UINTN OriginalRow;\r
1424 UINTN Index;\r
1425 UINT32 Count;\r
1426 UINT16 Width;\r
1427 CHAR16 *StringPtr;\r
1428 CHAR16 *OptionString;\r
1429 CHAR16 *OutputString;\r
1430 CHAR16 *FormattedString;\r
1431 CHAR16 YesResponse;\r
1432 CHAR16 NoResponse;\r
1433 BOOLEAN NewLine;\r
1434 BOOLEAN Repaint;\r
1435 BOOLEAN SavedValue;\r
1436 EFI_STATUS Status;\r
1437 EFI_INPUT_KEY Key;\r
1438 LIST_ENTRY *Link;\r
1439 LIST_ENTRY *NewPos;\r
1440 LIST_ENTRY *TopOfScreen;\r
1441 LIST_ENTRY *SavedListEntry;\r
1442 UI_MENU_OPTION *MenuOption;\r
1443 UI_MENU_OPTION *NextMenuOption;\r
1444 UI_MENU_OPTION *SavedMenuOption;\r
1445 UI_MENU_OPTION *PreviousMenuOption;\r
1446 UI_CONTROL_FLAG ControlFlag;\r
1447 EFI_SCREEN_DESCRIPTOR LocalScreen;\r
1448 MENU_REFRESH_ENTRY *MenuRefreshEntry;\r
1449 UI_SCREEN_OPERATION ScreenOperation;\r
1450 UINT8 MinRefreshInterval;\r
1451 UINTN BufferSize;\r
1452 UINT16 DefaultId;\r
1453 EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
1454 FORM_BROWSER_STATEMENT *Statement;\r
1455\r
1456 CopyMem (&LocalScreen, &gScreenDimensions, sizeof (EFI_SCREEN_DESCRIPTOR));\r
1457\r
1458 Status = EFI_SUCCESS;\r
1459 FormattedString = NULL;\r
1460 OptionString = NULL;\r
1461 ScreenOperation = UiNoOperation;\r
1462 NewLine = TRUE;\r
1463 MinRefreshInterval = 0;\r
1464 DefaultId = 0;\r
1465\r
1466 OutputString = NULL;\r
1467 gUpArrow = FALSE;\r
1468 gDownArrow = FALSE;\r
1469 SkipValue = 0;\r
1470 OldSkipValue = 0;\r
1471 MenuRefreshEntry = gMenuRefreshHead;\r
1472\r
1473 NextMenuOption = NULL;\r
1474 PreviousMenuOption = NULL;\r
1475 SavedMenuOption = NULL;\r
1476\r
1477 ZeroMem (&Key, sizeof (EFI_INPUT_KEY));\r
1478\r
1479 if (gClassOfVfr == EFI_FRONT_PAGE_SUBCLASS) {\r
1480 TopRow = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1481 Row = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1482 } else {\r
1483 TopRow = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1484 Row = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1485 }\r
1486\r
1487 Col = LocalScreen.LeftColumn;\r
1488 BottomRow = LocalScreen.BottomRow - STATUS_BAR_HEIGHT - FOOTER_HEIGHT - SCROLL_ARROW_HEIGHT - 1;\r
1489\r
1490 Selection->TopRow = TopRow;\r
1491 Selection->BottomRow = BottomRow;\r
1492 Selection->PromptCol = Col;\r
1493 Selection->OptionCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;\r
1494 Selection->Statement = NULL;\r
1495\r
1496 TopOfScreen = Menu.ForwardLink;\r
1497 Repaint = TRUE;\r
1498 MenuOption = NULL;\r
1499\r
1500 //\r
1501 // Get user's selection\r
1502 //\r
1503 NewPos = Menu.ForwardLink;\r
1504\r
1505 gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r
1506 UpdateStatusBar (REFRESH_STATUS_BAR, (UINT8) 0, TRUE);\r
1507\r
1508 ControlFlag = CfInitialization;\r
1509 Selection->Action = UI_ACTION_NONE;\r
1510 while (TRUE) {\r
1511 switch (ControlFlag) {\r
1512 case CfInitialization:\r
1513 if (IsListEmpty (&Menu)) {\r
1514 ControlFlag = CfReadKey;\r
1515 } else {\r
1516 ControlFlag = CfCheckSelection;\r
1517 }\r
1518 break;\r
1519\r
1520 case CfCheckSelection:\r
1521 if (Selection->Action != UI_ACTION_NONE) {\r
1522 ControlFlag = CfExit;\r
1523 } else {\r
1524 ControlFlag = CfRepaint;\r
1525 }\r
1526 break;\r
1527\r
1528 case CfRepaint:\r
1529 ControlFlag = CfRefreshHighLight;\r
1530\r
1531 if (Repaint) {\r
1532 //\r
1533 // Display menu\r
1534 //\r
1535 gDownArrow = FALSE;\r
1536 gUpArrow = FALSE;\r
1537 Row = TopRow;\r
1538\r
1539 Temp = SkipValue;\r
1540 Temp2 = SkipValue;\r
1541\r
1542 ClearLines (\r
1543 LocalScreen.LeftColumn,\r
1544 LocalScreen.RightColumn,\r
1545 TopRow - SCROLL_ARROW_HEIGHT,\r
1546 BottomRow + SCROLL_ARROW_HEIGHT,\r
1547 FIELD_TEXT | FIELD_BACKGROUND\r
1548 );\r
1549\r
1550 UiFreeRefreshList ();\r
1551 MinRefreshInterval = 0;\r
1552\r
1553 for (Link = TopOfScreen; Link != &Menu; Link = Link->ForwardLink) {\r
1554 MenuOption = MENU_OPTION_FROM_LINK (Link);\r
1555 MenuOption->Row = Row;\r
1556 MenuOption->Col = Col;\r
1557 MenuOption->OptCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;\r
1558\r
1559 Statement = MenuOption->ThisTag;\r
1560 if (Statement->InSubtitle) {\r
1561 MenuOption->Col += SUBTITLE_INDENT;\r
1562 }\r
1563\r
1564 if (MenuOption->GrayOut) {\r
1565 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);\r
1566 } else {\r
1567 if (Statement->Operand == EFI_IFR_SUBTITLE_OP) {\r
1568 gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND);\r
1569 }\r
1570 }\r
1571\r
1572 Width = GetWidth (Statement, MenuOption->Handle);\r
1573 OriginalRow = Row;\r
1574\r
1575 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
1576 if ((Temp == 0) && (Row <= BottomRow)) {\r
1577 PrintStringAt (MenuOption->Col, Row, OutputString);\r
1578 }\r
1579 //\r
1580 // If there is more string to process print on the next row and increment the Skip value\r
1581 //\r
1582 if (StrLen (&MenuOption->Description[Index])) {\r
1583 if (Temp == 0) {\r
1584 Row++;\r
1585 }\r
1586 }\r
1587\r
1588 gBS->FreePool (OutputString);\r
1589 if (Temp != 0) {\r
1590 Temp--;\r
1591 }\r
1592 }\r
1593\r
1594 Temp = 0;\r
1595 Row = OriginalRow;\r
1596\r
1597 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
1598 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1599\r
1600 if (OptionString != NULL) {\r
1601 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
1602 //\r
1603 // If leading spaces on OptionString - remove the spaces\r
1604 //\r
1605 for (Index = 0; OptionString[Index] == L' '; Index++) {\r
1606 MenuOption->OptCol++;\r
1607 }\r
1608\r
1609 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
1610 OptionString[Count] = OptionString[Index];\r
1611 Count++;\r
1612 }\r
1613\r
1614 OptionString[Count] = CHAR_NULL;\r
1615 }\r
1616\r
1617 //\r
1618 // If Question request refresh, register the op-code\r
1619 //\r
1620 if (Statement->RefreshInterval != 0) {\r
1621 //\r
1622 // Menu will be refreshed at minimal interval of all Questions\r
1623 // which have refresh request\r
1624 //\r
1625 if (MinRefreshInterval == 0 || Statement->RefreshInterval < MinRefreshInterval) {\r
1626 MinRefreshInterval = Statement->RefreshInterval;\r
1627 }\r
1628\r
1629 if (gMenuRefreshHead == NULL) {\r
1630 MenuRefreshEntry = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));\r
1631 ASSERT (MenuRefreshEntry != NULL);\r
1632 MenuRefreshEntry->MenuOption = MenuOption;\r
1633 MenuRefreshEntry->Selection = Selection;\r
1634 MenuRefreshEntry->CurrentColumn = MenuOption->OptCol;\r
1635 MenuRefreshEntry->CurrentRow = MenuOption->Row;\r
1636 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
1637 gMenuRefreshHead = MenuRefreshEntry;\r
1638 } else {\r
1639 //\r
1640 // Advance to the last entry\r
1641 //\r
1642 for (MenuRefreshEntry = gMenuRefreshHead;\r
1643 MenuRefreshEntry->Next != NULL;\r
1644 MenuRefreshEntry = MenuRefreshEntry->Next\r
1645 )\r
1646 ;\r
1647 MenuRefreshEntry->Next = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));\r
1648 ASSERT (MenuRefreshEntry->Next != NULL);\r
1649 MenuRefreshEntry = MenuRefreshEntry->Next;\r
1650 MenuRefreshEntry->MenuOption = MenuOption;\r
1651 MenuRefreshEntry->Selection = Selection;\r
1652 MenuRefreshEntry->CurrentColumn = MenuOption->OptCol;\r
1653 MenuRefreshEntry->CurrentRow = MenuOption->Row;\r
1654 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
1655 }\r
1656 }\r
1657\r
1658 Width = (UINT16) gOptionBlockWidth;\r
1659 OriginalRow = Row;\r
1660\r
1661 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1662 if ((Temp2 == 0) && (Row <= BottomRow)) {\r
1663 PrintStringAt (MenuOption->OptCol, Row, OutputString);\r
1664 }\r
1665 //\r
1666 // If there is more string to process print on the next row and increment the Skip value\r
1667 //\r
1668 if (StrLen (&OptionString[Index])) {\r
1669 if (Temp2 == 0) {\r
1670 Row++;\r
1671 //\r
1672 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1673 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1674 // some testing to ensure we are keeping this in-sync.\r
1675 //\r
1676 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1677 //\r
1678 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1679 MenuOption->Skip++;\r
1680 }\r
1681 }\r
1682 }\r
1683\r
1684 gBS->FreePool (OutputString);\r
1685 if (Temp2 != 0) {\r
1686 Temp2--;\r
1687 }\r
1688 }\r
1689\r
1690 Temp2 = 0;\r
1691 Row = OriginalRow;\r
1692\r
1693 gBS->FreePool (OptionString);\r
1694 }\r
1695 //\r
1696 // If this is a text op with secondary text information\r
1697 //\r
1698 if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) {\r
1699 StringPtr = GetToken (Statement->TextTwo, MenuOption->Handle);\r
1700\r
1701 Width = (UINT16) gOptionBlockWidth;\r
1702 OriginalRow = Row;\r
1703\r
1704 for (Index = 0; GetLineByWidth (StringPtr, Width, &Index, &OutputString) != 0x0000;) {\r
1705 if ((Temp == 0) && (Row <= BottomRow)) {\r
1706 PrintStringAt (MenuOption->OptCol, Row, OutputString);\r
1707 }\r
1708 //\r
1709 // If there is more string to process print on the next row and increment the Skip value\r
1710 //\r
1711 if (StrLen (&StringPtr[Index])) {\r
1712 if (Temp2 == 0) {\r
1713 Row++;\r
1714 //\r
1715 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1716 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1717 // some testing to ensure we are keeping this in-sync.\r
1718 //\r
1719 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1720 //\r
1721 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1722 MenuOption->Skip++;\r
1723 }\r
1724 }\r
1725 }\r
1726\r
1727 gBS->FreePool (OutputString);\r
1728 if (Temp2 != 0) {\r
1729 Temp2--;\r
1730 }\r
1731 }\r
1732\r
1733 Row = OriginalRow;\r
1734 gBS->FreePool (StringPtr);\r
1735 }\r
1736\r
1737 //\r
1738 // Need to handle the bottom of the display\r
1739 //\r
1740 if (MenuOption->Skip > 1) {\r
1741 Row += MenuOption->Skip - SkipValue;\r
1742 SkipValue = 0;\r
1743 } else {\r
1744 Row += MenuOption->Skip;\r
1745 }\r
1746\r
1747 if (Row > BottomRow) {\r
1748 if (!ValueIsScroll (FALSE, Link)) {\r
1749 gDownArrow = TRUE;\r
1750 }\r
1751\r
1752 Row = BottomRow + 1;\r
1753 break;\r
1754 }\r
1755 }\r
1756\r
1757 if (!ValueIsScroll (TRUE, TopOfScreen)) {\r
1758 gUpArrow = TRUE;\r
1759 }\r
1760\r
1761 if (gUpArrow) {\r
1762 gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
1763 PrintAt (\r
1764 LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
1765 TopRow - SCROLL_ARROW_HEIGHT,\r
1766 L"%c",\r
1767 ARROW_UP\r
1768 );\r
1769 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
1770 }\r
1771\r
1772 if (gDownArrow) {\r
1773 gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
1774 PrintAt (\r
1775 LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
1776 BottomRow + SCROLL_ARROW_HEIGHT,\r
1777 L"%c",\r
1778 ARROW_DOWN\r
1779 );\r
1780 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
1781 }\r
1782\r
1783 MenuOption = NULL;\r
1784 }\r
1785 break;\r
1786\r
1787 case CfRefreshHighLight:\r
1788 //\r
1789 // MenuOption: Last menu option that need to remove hilight\r
1790 // MenuOption is set to NULL in Repaint\r
1791 // NewPos: Current menu option that need to hilight\r
1792 //\r
1793 ControlFlag = CfUpdateHelpString;\r
1794\r
1795 //\r
1796 // Repaint flag is normally reset when finish processing CfUpdateHelpString. Temporarily\r
1797 // reset Repaint flag because we may break halfway and skip CfUpdateHelpString processing.\r
1798 //\r
1799 SavedValue = Repaint;\r
1800 Repaint = FALSE;\r
1801\r
1802 if (Selection->QuestionId != 0) {\r
1803 NewPos = Menu.ForwardLink;\r
1804 SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
1805\r
1806 while (SavedMenuOption->ThisTag->QuestionId != Selection->QuestionId && NewPos->ForwardLink != &Menu) {\r
1807 NewPos = NewPos->ForwardLink;\r
1808 SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
1809 }\r
1810 if (SavedMenuOption->ThisTag->QuestionId == Selection->QuestionId) {\r
1811 //\r
1812 // Target Question found, find its MenuOption\r
1813 //\r
1814 Link = TopOfScreen;\r
1815\r
1816 for (Index = TopRow; Index <= BottomRow && Link != NewPos;) {\r
1817 SavedMenuOption = MENU_OPTION_FROM_LINK (Link);\r
1818 Index += SavedMenuOption->Skip;\r
1819 Link = Link->ForwardLink;\r
1820 }\r
1821\r
1822 if (Link != NewPos || Index > BottomRow) {\r
1823 //\r
1824 // NewPos is not in the current page, simply scroll page so that NewPos is in the end of the page\r
1825 //\r
1826 Link = NewPos;\r
1827 for (Index = TopRow; Index <= BottomRow; ) {\r
1828 Link = Link->BackLink;\r
1829 SavedMenuOption = MENU_OPTION_FROM_LINK (Link);\r
1830 Index += SavedMenuOption->Skip;\r
1831 }\r
1832 TopOfScreen = Link->ForwardLink;\r
1833\r
1834 Repaint = TRUE;\r
1835 NewLine = TRUE;\r
1836 ControlFlag = CfRepaint;\r
1837 break;\r
1838 }\r
1839 } else {\r
1840 //\r
1841 // Target Question not found, highlight the default menu option\r
1842 //\r
1843 NewPos = TopOfScreen;\r
1844 }\r
1845\r
1846 Selection->QuestionId = 0;\r
1847 }\r
1848\r
1849 if (NewPos != NULL && (MenuOption == NULL || NewPos != &MenuOption->Link)) {\r
1850 if (MenuOption != NULL) {\r
1851 //\r
1852 // Remove highlight on last Menu Option\r
1853 //\r
1854 gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
1855 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1856 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
1857 if (OptionString != NULL) {\r
1858 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) ||\r
1859 (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)\r
1860 ) {\r
1861 //\r
1862 // If leading spaces on OptionString - remove the spaces\r
1863 //\r
1864 for (Index = 0; OptionString[Index] == L' '; Index++)\r
1865 ;\r
1866\r
1867 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
1868 OptionString[Count] = OptionString[Index];\r
1869 Count++;\r
1870 }\r
1871\r
1872 OptionString[Count] = CHAR_NULL;\r
1873 }\r
1874\r
1875 Width = (UINT16) gOptionBlockWidth;\r
1876 OriginalRow = MenuOption->Row;\r
1877\r
1878 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1879 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
1880 PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
1881 }\r
1882 //\r
1883 // If there is more string to process print on the next row and increment the Skip value\r
1884 //\r
1885 if (StrLen (&OptionString[Index])) {\r
1886 MenuOption->Row++;\r
1887 }\r
1888\r
1889 gBS->FreePool (OutputString);\r
1890 }\r
1891\r
1892 MenuOption->Row = OriginalRow;\r
1893\r
1894 gBS->FreePool (OptionString);\r
1895 } else {\r
1896 if (NewLine) {\r
1897 if (MenuOption->GrayOut) {\r
1898 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);\r
1899 } else if (MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) {\r
1900 gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND);\r
1901 }\r
1902\r
1903 OriginalRow = MenuOption->Row;\r
1904 Width = GetWidth (MenuOption->ThisTag, MenuOption->Handle);\r
1905\r
1906 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
1907 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
1908 PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
1909 }\r
1910 //\r
1911 // If there is more string to process print on the next row and increment the Skip value\r
1912 //\r
1913 if (StrLen (&MenuOption->Description[Index])) {\r
1914 MenuOption->Row++;\r
1915 }\r
1916\r
1917 gBS->FreePool (OutputString);\r
1918 }\r
1919\r
1920 MenuOption->Row = OriginalRow;\r
1921 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
1922 }\r
1923 }\r
1924 }\r
1925\r
1926 //\r
1927 // This is only possible if we entered this page and the first menu option is\r
1928 // a "non-menu" item. In that case, force it UiDown\r
1929 //\r
1930 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
1931 if (!IsSelectable (MenuOption)) {\r
1932 ASSERT (ScreenOperation == UiNoOperation);\r
1933 ScreenOperation = UiDown;\r
1934 ControlFlag = CfScreenOperation;\r
1935 break;\r
1936 }\r
1937\r
1938 //\r
1939 // This is the current selected statement\r
1940 //\r
1941 Statement = MenuOption->ThisTag;\r
1942 Selection->Statement = Statement;\r
1943\r
1944 //\r
1945 // Set reverse attribute\r
1946 //\r
1947 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT);\r
1948 gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
1949\r
1950 //\r
1951 // Assuming that we have a refresh linked-list created, lets annotate the\r
1952 // appropriate entry that we are highlighting with its new attribute. Just prior to this\r
1953 // lets reset all of the entries' attribute so we do not get multiple highlights in he refresh\r
1954 //\r
1955 if (gMenuRefreshHead != NULL) {\r
1956 for (MenuRefreshEntry = gMenuRefreshHead; MenuRefreshEntry != NULL; MenuRefreshEntry = MenuRefreshEntry->Next) {\r
1957 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
1958 if (MenuRefreshEntry->MenuOption == MenuOption) {\r
1959 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT;\r
1960 }\r
1961 }\r
1962 }\r
1963\r
1964 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1965 if (OptionString != NULL) {\r
1966 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
1967 //\r
1968 // If leading spaces on OptionString - remove the spaces\r
1969 //\r
1970 for (Index = 0; OptionString[Index] == L' '; Index++)\r
1971 ;\r
1972\r
1973 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
1974 OptionString[Count] = OptionString[Index];\r
1975 Count++;\r
1976 }\r
1977\r
1978 OptionString[Count] = CHAR_NULL;\r
1979 }\r
1980 Width = (UINT16) gOptionBlockWidth;\r
1981\r
1982 OriginalRow = MenuOption->Row;\r
1983\r
1984 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1985 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
1986 PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
1987 }\r
1988 //\r
1989 // If there is more string to process print on the next row and increment the Skip value\r
1990 //\r
1991 if (StrLen (&OptionString[Index])) {\r
1992 MenuOption->Row++;\r
1993 }\r
1994\r
1995 gBS->FreePool (OutputString);\r
1996 }\r
1997\r
1998 MenuOption->Row = OriginalRow;\r
1999\r
2000 gBS->FreePool (OptionString);\r
2001 } else {\r
2002 if (NewLine) {\r
2003 OriginalRow = MenuOption->Row;\r
2004\r
2005 Width = GetWidth (Statement, MenuOption->Handle);\r
2006\r
2007 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
2008 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2009 PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
2010 }\r
2011 //\r
2012 // If there is more string to process print on the next row and increment the Skip value\r
2013 //\r
2014 if (StrLen (&MenuOption->Description[Index])) {\r
2015 MenuOption->Row++;\r
2016 }\r
2017\r
2018 gBS->FreePool (OutputString);\r
2019 }\r
2020\r
2021 MenuOption->Row = OriginalRow;\r
2022\r
2023 }\r
2024 }\r
2025\r
2026 if (((NewPos->ForwardLink != &Menu) && (ScreenOperation == UiDown)) ||\r
2027 ((NewPos->BackLink != &Menu) && (ScreenOperation == UiUp)) ||\r
2028 (ScreenOperation == UiNoOperation)\r
2029 ) {\r
2030 UpdateKeyHelp (MenuOption, FALSE);\r
2031 }\r
2032 //\r
2033 // Clear reverse attribute\r
2034 //\r
2035 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2036 }\r
2037 //\r
2038 // Repaint flag will be used when process CfUpdateHelpString, so restore its value\r
2039 // if we didn't break halfway when process CfRefreshHighLight.\r
2040 //\r
2041 Repaint = SavedValue;\r
2042 break;\r
2043\r
2044 case CfUpdateHelpString:\r
2045 ControlFlag = CfPrepareToReadKey;\r
2046\r
2047 if ((Repaint || NewLine) && (gClassOfVfr != EFI_GENERAL_APPLICATION_SUBCLASS)) {\r
2048 //\r
2049 // Don't print anything if it is a NULL help token\r
2050 //\r
2051 if (MenuOption->ThisTag->Help == 0) {\r
2052 StringPtr = L"\0";\r
2053 } else {\r
2054 StringPtr = GetToken (MenuOption->ThisTag->Help, MenuOption->Handle);\r
2055 }\r
2056\r
2057 ProcessHelpString (StringPtr, &FormattedString, BottomRow - TopRow);\r
2058\r
2059 gST->ConOut->SetAttribute (gST->ConOut, HELP_TEXT | FIELD_BACKGROUND);\r
2060\r
2061 for (Index = 0; Index < BottomRow - TopRow; Index++) {\r
2062 //\r
2063 // Pad String with spaces to simulate a clearing of the previous line\r
2064 //\r
2065 for (; GetStringWidth (&FormattedString[Index * gHelpBlockWidth * 2]) / 2 < gHelpBlockWidth;) {\r
2066 StrCat (&FormattedString[Index * gHelpBlockWidth * 2], L" ");\r
2067 }\r
2068\r
2069 PrintStringAt (\r
2070 LocalScreen.RightColumn - gHelpBlockWidth,\r
2071 Index + TopRow,\r
2072 &FormattedString[Index * gHelpBlockWidth * 2]\r
2073 );\r
2074 }\r
2075 }\r
2076 //\r
2077 // Reset this flag every time we finish using it.\r
2078 //\r
2079 Repaint = FALSE;\r
2080 NewLine = FALSE;\r
2081 break;\r
2082\r
2083 case CfPrepareToReadKey:\r
2084 ControlFlag = CfReadKey;\r
2085 ScreenOperation = UiNoOperation;\r
2086 break;\r
2087\r
2088 case CfReadKey:\r
2089 ControlFlag = CfScreenOperation;\r
2090\r
2091 //\r
2092 // Wait for user's selection\r
2093 //\r
2094 do {\r
2095 Status = UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, MinRefreshInterval);\r
2096 } while (Status == EFI_TIMEOUT);\r
2097\r
2098 if (Status == EFI_TIMEOUT) {\r
2099 Key.UnicodeChar = CHAR_CARRIAGE_RETURN;\r
2100 } else {\r
2101 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
2102 //\r
2103 // if we encounter error, continue to read another key in.\r
2104 //\r
2105 if (EFI_ERROR (Status)) {\r
2106 ControlFlag = CfReadKey;\r
2107 continue;\r
2108 }\r
2109 }\r
2110\r
2111 if (IsListEmpty (&Menu) && Key.UnicodeChar != CHAR_NULL) {\r
2112 //\r
2113 // If the screen has no menu items, and the user didn't select UiPrevious, or UiReset\r
2114 //\r
2115 break;\r
2116 }\r
2117\r
2118 switch (Key.UnicodeChar) {\r
2119 case CHAR_CARRIAGE_RETURN:\r
2120 ScreenOperation = UiSelect;\r
2121 gDirection = 0;\r
2122 break;\r
2123\r
2124 //\r
2125 // We will push the adjustment of these numeric values directly to the input handler\r
2126 // NOTE: we won't handle manual input numeric\r
2127 //\r
2128 case '+':\r
2129 case '-':\r
2130 Statement = MenuOption->ThisTag;\r
2131 if ((Statement->Operand == EFI_IFR_DATE_OP)\r
2132 || (Statement->Operand == EFI_IFR_TIME_OP)\r
2133 || ((Statement->Operand == EFI_IFR_NUMERIC_OP) && (Statement->Step != 0))\r
2134 ){\r
2135 if (Key.UnicodeChar == '+') {\r
2136 gDirection = SCAN_RIGHT;\r
2137 } else {\r
2138 gDirection = SCAN_LEFT;\r
2139 }\r
2140 Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);\r
676df92c 2141 if (OptionString != NULL) {\r
2142 FreePool (OptionString);\r
2143 }\r
7936fb6a 2144 }\r
2145 break;\r
2146\r
2147 case '^':\r
2148 ScreenOperation = UiUp;\r
2149 break;\r
2150\r
2151 case 'V':\r
2152 case 'v':\r
2153 ScreenOperation = UiDown;\r
2154 break;\r
2155\r
2156 case ' ':\r
2157 if (gClassOfVfr != EFI_FRONT_PAGE_SUBCLASS) {\r
2158 if (MenuOption->ThisTag->Operand == EFI_IFR_CHECKBOX_OP && !MenuOption->GrayOut) {\r
2159 ScreenOperation = UiSelect;\r
2160 }\r
2161 }\r
2162 break;\r
2163\r
2164 case CHAR_NULL:\r
2165 if (((Key.ScanCode == SCAN_F1) && ((gFunctionKeySetting & FUNCTION_ONE) != FUNCTION_ONE)) ||\r
2166 ((Key.ScanCode == SCAN_F2) && ((gFunctionKeySetting & FUNCTION_TWO) != FUNCTION_TWO)) ||\r
2167 ((Key.ScanCode == SCAN_F9) && ((gFunctionKeySetting & FUNCTION_NINE) != FUNCTION_NINE)) ||\r
2168 ((Key.ScanCode == SCAN_F10) && ((gFunctionKeySetting & FUNCTION_TEN) != FUNCTION_TEN))\r
2169 ) {\r
2170 //\r
2171 // If the function key has been disabled, just ignore the key.\r
2172 //\r
2173 } else {\r
2174 for (Index = 0; Index < sizeof (gScanCodeToOperation) / sizeof (gScanCodeToOperation[0]); Index++) {\r
2175 if (Key.ScanCode == gScanCodeToOperation[Index].ScanCode) {\r
2176 if (Key.ScanCode == SCAN_F9) {\r
2177 //\r
2178 // Reset to standard default\r
2179 //\r
2180 DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;\r
2181 }\r
2182 ScreenOperation = gScanCodeToOperation[Index].ScreenOperation;\r
2183 break;\r
2184 }\r
2185 }\r
2186 }\r
2187 break;\r
2188 }\r
2189 break;\r
2190\r
2191 case CfScreenOperation:\r
2192 if (ScreenOperation != UiPrevious && ScreenOperation != UiReset) {\r
2193 //\r
2194 // If the screen has no menu items, and the user didn't select UiPrevious, or UiReset\r
2195 // ignore the selection and go back to reading keys.\r
2196 //\r
2197 if (IsListEmpty (&Menu)) {\r
2198 ControlFlag = CfReadKey;\r
2199 break;\r
2200 }\r
2201 //\r
2202 // if there is nothing logical to place a cursor on, just move on to wait for a key.\r
2203 //\r
2204 for (Link = Menu.ForwardLink; Link != &Menu; Link = Link->ForwardLink) {\r
2205 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2206 if (IsSelectable (NextMenuOption)) {\r
2207 break;\r
2208 }\r
2209 }\r
2210\r
2211 if (Link == &Menu) {\r
2212 ControlFlag = CfPrepareToReadKey;\r
2213 break;\r
2214 }\r
2215 } else if (ScreenOperation == UiReset) {\r
2216 //\r
2217 // Press ESC to exit FormSet\r
2218 //\r
2219 Selection->Action = UI_ACTION_EXIT;\r
2220 Selection->Statement = NULL;\r
2221 }\r
2222\r
2223 for (Index = 0;\r
2224 Index < sizeof (gScreenOperationToControlFlag) / sizeof (gScreenOperationToControlFlag[0]);\r
2225 Index++\r
2226 ) {\r
2227 if (ScreenOperation == gScreenOperationToControlFlag[Index].ScreenOperation) {\r
2228 ControlFlag = gScreenOperationToControlFlag[Index].ControlFlag;\r
2229 break;\r
2230 }\r
2231 }\r
2232 break;\r
2233\r
2234 case CfUiPrevious:\r
2235 ControlFlag = CfCheckSelection;\r
2236\r
2237 if (IsListEmpty (&gMenuList)) {\r
2238 Selection->Action = UI_ACTION_NONE;\r
2239 if (IsListEmpty (&Menu)) {\r
2240 ControlFlag = CfReadKey;\r
2241 }\r
2242 break;\r
2243 }\r
2244\r
2245 //\r
2246 // Remove the Cached page entry\r
2247 //\r
2248 UiRemoveMenuListEntry (Selection);\r
2249\r
2250 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2251 Selection->Statement = NULL;\r
2252 break;\r
2253\r
2254 case CfUiSelect:\r
2255 ControlFlag = CfCheckSelection;\r
2256\r
2257 Statement = MenuOption->ThisTag;\r
2258 if ((Statement->Operand == EFI_IFR_TEXT_OP) ||\r
2259 (Statement->Operand == EFI_IFR_DATE_OP) ||\r
2260 (Statement->Operand == EFI_IFR_TIME_OP) ||\r
2261 (Statement->Operand == EFI_IFR_NUMERIC_OP && Statement->Step != 0)) {\r
2262 break;\r
2263 }\r
2264\r
2265 //\r
2266 // Keep highlight on current MenuOption\r
2267 //\r
2268 Selection->QuestionId = Statement->QuestionId;\r
2269\r
2270 switch (Statement->Operand) {\r
2271 case EFI_IFR_REF_OP:\r
2272 if (Statement->RefDevicePath != 0) {\r
2273 //\r
2274 // Goto another Hii Package list\r
2275 //\r
2276 ControlFlag = CfUiReset;\r
2277 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2278\r
2279 StringPtr = GetToken (Statement->RefDevicePath, Selection->FormSet->HiiHandle);\r
2280 if (StringPtr == NULL) {\r
2281 //\r
2282 // No device path string not found, exit\r
2283 //\r
2284 Selection->Action = UI_ACTION_EXIT;\r
2285 Selection->Statement = NULL;\r
2286 break;\r
2287 }\r
2288 BufferSize = StrLen (StringPtr) / 2;\r
2289 DevicePath = AllocatePool (BufferSize);\r
2290\r
5e580cf7 2291 HexStringToBufInReverseOrder ((UINT8 *) DevicePath, &BufferSize, StringPtr);\r
7936fb6a 2292 Selection->Handle = HiiLibDevicePathToHiiHandle (DevicePath);\r
2293 if (Selection->Handle == NULL) {\r
2294 //\r
2295 // If target Hii Handle not found, exit\r
2296 //\r
2297 Selection->Action = UI_ACTION_EXIT;\r
2298 Selection->Statement = NULL;\r
2299 break;\r
2300 }\r
2301\r
2302 gBS->FreePool (StringPtr);\r
2303 gBS->FreePool (DevicePath);\r
2304\r
2305 CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID));\r
2306 Selection->FormId = Statement->RefFormId;\r
2307 Selection->QuestionId = Statement->RefQuestionId;\r
2308 } else if (!CompareGuid (&Statement->RefFormSetId, &gZeroGuid)) {\r
2309 //\r
2310 // Goto another Formset, check for uncommitted data\r
2311 //\r
2312 ControlFlag = CfUiReset;\r
2313 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2314\r
2315 CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID));\r
2316 Selection->FormId = Statement->RefFormId;\r
2317 Selection->QuestionId = Statement->RefQuestionId;\r
2318 } else if (Statement->RefFormId != 0) {\r
2319 //\r
2320 // Goto another form inside this formset,\r
2321 //\r
2322 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2323\r
2324 //\r
2325 // Link current form so that we can always go back when someone hits the UiPrevious\r
2326 //\r
2327 UiAddMenuListEntry (Selection);\r
2328\r
2329 Selection->FormId = Statement->RefFormId;\r
2330 Selection->QuestionId = Statement->RefQuestionId;\r
2331 } else if (Statement->RefQuestionId != 0) {\r
2332 //\r
2333 // Goto another Question\r
2334 //\r
2335 Selection->QuestionId = Statement->RefQuestionId;\r
2336\r
2337 if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {\r
2338 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2339 } else {\r
2340 Repaint = TRUE;\r
2341 NewLine = TRUE;\r
2342 break;\r
2343 }\r
2344 }\r
2345 break;\r
2346\r
2347 case EFI_IFR_ACTION_OP:\r
2348 //\r
2349 // Process the Config string <ConfigResp>\r
2350 //\r
2351 Status = ProcessQuestionConfig (Selection, Statement);\r
2352\r
2353 if (EFI_ERROR (Status)) {\r
2354 break;\r
2355 }\r
2356\r
2357 //\r
2358 // The action button may change some Question value, so refresh the form\r
2359 //\r
2360 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2361 break;\r
2362\r
2363 case EFI_IFR_RESET_BUTTON_OP:\r
2364 //\r
2365 // Reset Question to default value specified by DefaultId\r
2366 //\r
2367 ControlFlag = CfUiDefault;\r
2368 DefaultId = Statement->DefaultId;\r
2369 break;\r
2370\r
2371 default:\r
2372 //\r
2373 // Editable Questions: oneof, ordered list, checkbox, numeric, string, password\r
2374 //\r
2375 UpdateKeyHelp (MenuOption, TRUE);\r
2376 Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);\r
2377\r
2378 if (EFI_ERROR (Status)) {\r
2379 Repaint = TRUE;\r
2380 NewLine = TRUE;\r
2381 break;\r
2382 }\r
2383\r
2384 if (OptionString != NULL) {\r
2385 PrintStringAt (LocalScreen.LeftColumn + gPromptBlockWidth + 1, MenuOption->Row, OptionString);\r
2386 gBS->FreePool (OptionString);\r
2387 }\r
2388\r
2389 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2390 break;\r
2391 }\r
2392 break;\r
2393\r
2394 case CfUiReset:\r
2395 //\r
2396 // We are going to leave current FormSet, so check uncommited data in this FormSet\r
2397 //\r
2398 ControlFlag = CfCheckSelection;\r
2399\r
2400 if (gClassOfVfr == EFI_FRONT_PAGE_SUBCLASS) {\r
2401 //\r
2402 // There is no parent menu for FrontPage\r
2403 //\r
2404 Selection->Action = UI_ACTION_NONE;\r
2405 Selection->Statement = MenuOption->ThisTag;\r
2406 break;\r
2407 }\r
2408\r
2409 //\r
2410 // If NV flag is up, prompt user\r
2411 //\r
2412 if (gNvUpdateRequired) {\r
2413 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
2414\r
2415 YesResponse = gYesResponse[0];\r
2416 NoResponse = gNoResponse[0];\r
2417\r
2418 do {\r
2419 CreateDialog (3, TRUE, 0, NULL, &Key, gEmptyString, gAreYouSure, gEmptyString);\r
2420 } while\r
2421 (\r
2422 (Key.ScanCode != SCAN_ESC) &&\r
2423 ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (NoResponse | UPPER_LOWER_CASE_OFFSET)) &&\r
2424 ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (YesResponse | UPPER_LOWER_CASE_OFFSET))\r
2425 );\r
2426\r
2427 //\r
2428 // If the user hits the YesResponse key\r
2429 //\r
2430 if ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (YesResponse | UPPER_LOWER_CASE_OFFSET)) {\r
2431 } else {\r
2432 Repaint = TRUE;\r
2433 NewLine = TRUE;\r
2434\r
2435 Selection->Action = UI_ACTION_NONE;\r
2436 break;\r
2437 }\r
2438 }\r
2439\r
2440 gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r
2441 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
2442\r
2443 UiFreeMenuList ();\r
2444 gST->ConOut->ClearScreen (gST->ConOut);\r
2445 return EFI_SUCCESS;\r
2446\r
2447 case CfUiLeft:\r
2448 ControlFlag = CfCheckSelection;\r
2449 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
2450 if (MenuOption->Sequence != 0) {\r
2451 //\r
2452 // In the middle or tail of the Date/Time op-code set, go left.\r
2453 //\r
2454 NewPos = NewPos->BackLink;\r
2455 }\r
2456 }\r
2457 break;\r
2458\r
2459 case CfUiRight:\r
2460 ControlFlag = CfCheckSelection;\r
2461 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
2462 if (MenuOption->Sequence != 2) {\r
2463 //\r
2464 // In the middle or tail of the Date/Time op-code set, go left.\r
2465 //\r
2466 NewPos = NewPos->ForwardLink;\r
2467 }\r
2468 }\r
2469 break;\r
2470\r
2471 case CfUiUp:\r
2472 ControlFlag = CfCheckSelection;\r
2473\r
2474 SavedListEntry = TopOfScreen;\r
2475\r
2476 if (NewPos->BackLink != &Menu) {\r
2477 NewLine = TRUE;\r
2478 //\r
2479 // Adjust Date/Time position before we advance forward.\r
2480 //\r
2481 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2482\r
2483 //\r
2484 // Caution that we have already rewind to the top, don't go backward in this situation.\r
2485 //\r
2486 if (NewPos->BackLink != &Menu) {\r
2487 NewPos = NewPos->BackLink;\r
2488 }\r
2489\r
2490 PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2491 DistanceValue = PreviousMenuOption->Skip;\r
2492\r
2493 //\r
2494 // Since the behavior of hitting the up arrow on a Date/Time op-code is intended\r
2495 // to be one that back to the previous set of op-codes, we need to advance to the sencond\r
2496 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate\r
2497 // checking can be done.\r
2498 //\r
2499 DistanceValue += AdjustDateAndTimePosition (TRUE, &NewPos);\r
2500\r
2501 //\r
2502 // Check the previous menu entry to see if it was a zero-length advance. If it was,\r
2503 // don't worry about a redraw.\r
2504 //\r
2505 if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) {\r
2506 Repaint = TRUE;\r
2507 TopOfScreen = NewPos;\r
2508 }\r
2509\r
2510 Difference = MoveToNextStatement (TRUE, &NewPos);\r
2511 if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) {\r
2512 if (Difference > 0) {\r
2513 //\r
2514 // Previous focus MenuOption is above the TopOfScreen, so we need to scroll\r
2515 //\r
2516 TopOfScreen = NewPos;\r
2517 Repaint = TRUE;\r
2518 }\r
2519 }\r
2520 if (Difference < 0) {\r
2521 //\r
2522 // We want to goto previous MenuOption, but finally we go down.\r
2523 // it means that we hit the begining MenuOption that can be focused\r
2524 // so we simply scroll to the top\r
2525 //\r
2526 if (SavedListEntry != Menu.ForwardLink) {\r
2527 TopOfScreen = Menu.ForwardLink;\r
2528 Repaint = TRUE;\r
2529 }\r
2530 }\r
2531\r
2532 //\r
2533 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2534 //\r
2535 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2536\r
2537 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2538 } else {\r
2539 SavedMenuOption = MenuOption;\r
2540 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2541 if (!IsSelectable (MenuOption)) {\r
2542 //\r
2543 // If we are at the end of the list and sitting on a text op, we need to more forward\r
2544 //\r
2545 ScreenOperation = UiDown;\r
2546 ControlFlag = CfScreenOperation;\r
2547 break;\r
2548 }\r
2549\r
2550 MenuOption = SavedMenuOption;\r
2551 }\r
2552 break;\r
2553\r
2554 case CfUiPageUp:\r
2555 ControlFlag = CfCheckSelection;\r
2556\r
2557 if (NewPos->BackLink == &Menu) {\r
2558 NewLine = FALSE;\r
2559 Repaint = FALSE;\r
2560 break;\r
2561 }\r
2562\r
2563 NewLine = TRUE;\r
2564 Repaint = TRUE;\r
2565 Link = TopOfScreen;\r
2566 PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2567 Index = BottomRow;\r
2568 while ((Index >= TopRow) && (Link->BackLink != &Menu)) {\r
2569 Index = Index - PreviousMenuOption->Skip;\r
2570 Link = Link->BackLink;\r
2571 PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2572 }\r
2573\r
2574 TopOfScreen = Link;\r
2575 Difference = MoveToNextStatement (TRUE, &Link);\r
2576 if (Difference > 0) {\r
2577 //\r
2578 // The focus MenuOption is above the TopOfScreen\r
2579 //\r
2580 TopOfScreen = Link;\r
2581 } else if (Difference < 0) {\r
2582 //\r
2583 // This happens when there is no MenuOption can be focused from\r
2584 // Current MenuOption to the first MenuOption\r
2585 //\r
2586 TopOfScreen = Menu.ForwardLink;\r
2587 }\r
2588 Index += Difference;\r
2589 if (Index < TopRow) {\r
2590 MenuOption = NULL;\r
2591 }\r
2592\r
2593 if (NewPos == Link) {\r
2594 Repaint = FALSE;\r
2595 NewLine = FALSE;\r
2596 } else {\r
2597 NewPos = Link;\r
2598 }\r
2599\r
2600 //\r
2601 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2602 // Don't do this when we are already in the first page.\r
2603 //\r
2604 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2605 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2606 break;\r
2607\r
2608 case CfUiPageDown:\r
2609 ControlFlag = CfCheckSelection;\r
2610\r
2611 if (NewPos->ForwardLink == &Menu) {\r
2612 NewLine = FALSE;\r
2613 Repaint = FALSE;\r
2614 break;\r
2615 }\r
2616\r
2617 NewLine = TRUE;\r
2618 Repaint = TRUE;\r
2619 Link = TopOfScreen;\r
2620 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2621 Index = TopRow;\r
2622 while ((Index <= BottomRow) && (Link->ForwardLink != &Menu)) {\r
2623 Index = Index + NextMenuOption->Skip;\r
2624 Link = Link->ForwardLink;\r
2625 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2626 }\r
2627\r
2628 Index += MoveToNextStatement (FALSE, &Link);\r
2629 if (Index > BottomRow) {\r
2630 //\r
2631 // There are more MenuOption needing scrolling\r
2632 //\r
2633 TopOfScreen = Link;\r
2634 MenuOption = NULL;\r
2635 }\r
2636 if (NewPos == Link && Index <= BottomRow) {\r
2637 //\r
2638 // Finally we know that NewPos is the last MenuOption can be focused.\r
2639 //\r
2640 NewLine = FALSE;\r
2641 Repaint = FALSE;\r
2642 } else {\r
2643 NewPos = Link;\r
2644 }\r
2645\r
2646 //\r
2647 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2648 // Don't do this when we are already in the last page.\r
2649 //\r
2650 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2651 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2652 break;\r
2653\r
2654 case CfUiDown:\r
2655 ControlFlag = CfCheckSelection;\r
2656 //\r
2657 // Since the behavior of hitting the down arrow on a Date/Time op-code is intended\r
2658 // to be one that progresses to the next set of op-codes, we need to advance to the last\r
2659 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate\r
2660 // checking can be done. The only other logic we need to introduce is that if a Date/Time\r
2661 // op-code is the last entry in the menu, we need to rewind back to the first op-code of\r
2662 // the Date/Time op-code.\r
2663 //\r
2664 SavedListEntry = NewPos;\r
2665 DistanceValue = AdjustDateAndTimePosition (FALSE, &NewPos);\r
2666\r
2667 if (NewPos->ForwardLink != &Menu) {\r
2668 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2669 NewLine = TRUE;\r
2670 NewPos = NewPos->ForwardLink;\r
2671 NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2672\r
2673 DistanceValue += NextMenuOption->Skip;\r
2674 DistanceValue += MoveToNextStatement (FALSE, &NewPos);\r
2675 //\r
2676 // An option might be multi-line, so we need to reflect that data in the overall skip value\r
2677 //\r
2678 UpdateOptionSkipLines (Selection, NextMenuOption, &OptionString, SkipValue);\r
2679\r
2680 Temp = MenuOption->Row + MenuOption->Skip + DistanceValue - 1;\r
2681 if ((MenuOption->Row + MenuOption->Skip == BottomRow + 1) &&\r
2682 (NextMenuOption->ThisTag->Operand == EFI_IFR_DATE_OP ||\r
2683 NextMenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)\r
2684 ) {\r
2685 Temp ++;\r
2686 }\r
2687\r
2688 //\r
2689 // If we are going to scroll, update TopOfScreen\r
2690 //\r
2691 if (Temp > BottomRow) {\r
2692 do {\r
2693 //\r
2694 // Is the current top of screen a zero-advance op-code?\r
2695 // If so, keep moving forward till we hit a >0 advance op-code\r
2696 //\r
2697 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2698\r
2699 //\r
2700 // If bottom op-code is more than one line or top op-code is more than one line\r
2701 //\r
2702 if ((DistanceValue > 1) || (MenuOption->Skip > 1)) {\r
2703 //\r
2704 // Is the bottom op-code greater than or equal in size to the top op-code?\r
2705 //\r
2706 if ((Temp - BottomRow) >= (SavedMenuOption->Skip - OldSkipValue)) {\r
2707 //\r
2708 // Skip the top op-code\r
2709 //\r
2710 TopOfScreen = TopOfScreen->ForwardLink;\r
2711 Difference = (Temp - BottomRow) - (SavedMenuOption->Skip - OldSkipValue);\r
2712\r
2713 OldSkipValue = Difference;\r
2714\r
2715 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2716\r
2717 //\r
2718 // If we have a remainder, skip that many more op-codes until we drain the remainder\r
2719 //\r
2720 for (;\r
2721 Difference >= (INTN) SavedMenuOption->Skip;\r
2722 Difference = Difference - (INTN) SavedMenuOption->Skip\r
2723 ) {\r
2724 //\r
2725 // Since the Difference is greater than or equal to this op-code's skip value, skip it\r
2726 //\r
2727 TopOfScreen = TopOfScreen->ForwardLink;\r
2728 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2729 if (Difference < (INTN) SavedMenuOption->Skip) {\r
2730 Difference = SavedMenuOption->Skip - Difference - 1;\r
2731 break;\r
2732 } else {\r
2733 if (Difference == (INTN) SavedMenuOption->Skip) {\r
2734 TopOfScreen = TopOfScreen->ForwardLink;\r
2735 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2736 Difference = SavedMenuOption->Skip - Difference;\r
2737 break;\r
2738 }\r
2739 }\r
2740 }\r
2741 //\r
2742 // Since we will act on this op-code in the next routine, and increment the\r
2743 // SkipValue, set the skips to one less than what is required.\r
2744 //\r
2745 SkipValue = Difference - 1;\r
2746\r
2747 } else {\r
2748 //\r
2749 // Since we will act on this op-code in the next routine, and increment the\r
2750 // SkipValue, set the skips to one less than what is required.\r
2751 //\r
2752 SkipValue = OldSkipValue + (Temp - BottomRow) - 1;\r
2753 }\r
2754 } else {\r
2755 if ((OldSkipValue + 1) == (INTN) SavedMenuOption->Skip) {\r
2756 TopOfScreen = TopOfScreen->ForwardLink;\r
2757 break;\r
2758 } else {\r
2759 SkipValue = OldSkipValue;\r
2760 }\r
2761 }\r
2762 //\r
2763 // If the op-code at the top of the screen is more than one line, let's not skip it yet\r
2764 // Let's set a skip flag to smoothly scroll the top of the screen.\r
2765 //\r
2766 if (SavedMenuOption->Skip > 1) {\r
2767 if (SavedMenuOption == NextMenuOption) {\r
2768 SkipValue = 0;\r
2769 } else {\r
2770 SkipValue++;\r
2771 }\r
2772 } else {\r
2773 SkipValue = 0;\r
2774 TopOfScreen = TopOfScreen->ForwardLink;\r
2775 }\r
2776 } while (SavedMenuOption->Skip == 0);\r
2777\r
2778 Repaint = TRUE;\r
2779 OldSkipValue = SkipValue;\r
2780 }\r
2781\r
2782 MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
2783\r
2784 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2785\r
2786 } else {\r
2787 SavedMenuOption = MenuOption;\r
2788 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2789 if (!IsSelectable (MenuOption)) {\r
2790 //\r
2791 // If we are at the end of the list and sitting on a text op, we need to more forward\r
2792 //\r
2793 ScreenOperation = UiUp;\r
2794 ControlFlag = CfScreenOperation;\r
2795 break;\r
2796 }\r
2797\r
2798 MenuOption = SavedMenuOption;\r
2799 //\r
2800 // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.\r
2801 //\r
2802 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2803 }\r
2804 break;\r
2805\r
2806 case CfUiSave:\r
2807 ControlFlag = CfCheckSelection;\r
2808\r
2809 //\r
2810 // Submit the form\r
2811 //\r
2812 Status = SubmitForm (Selection->FormSet, Selection->Form);\r
2813\r
2814 if (!EFI_ERROR (Status)) {\r
2815 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2816 UpdateStatusBar (NV_UPDATE_REQUIRED, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2817 } else {\r
2818 do {\r
2819 CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gSaveFailed, gPressEnter, gEmptyString);\r
2820 } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r
2821\r
2822 Repaint = TRUE;\r
2823 NewLine = TRUE;\r
2824 }\r
2825 break;\r
2826\r
2827 case CfUiDefault:\r
2828 ControlFlag = CfCheckSelection;\r
2829\r
2830 Status = ExtractFormDefault (Selection->FormSet, Selection->Form, DefaultId);\r
2831\r
2832 if (!EFI_ERROR (Status)) {\r
2833 Selection->Action = UI_ACTION_REFRESH_FORM;\r
ebe43565 2834 Selection->Statement = NULL;\r
7936fb6a 2835\r
2836 //\r
2837 // Show NV update flag on status bar\r
2838 //\r
2839 gNvUpdateRequired = TRUE;\r
2840 }\r
2841 break;\r
2842\r
2843 case CfUiNoOperation:\r
2844 ControlFlag = CfCheckSelection;\r
2845 break;\r
2846\r
2847 case CfExit:\r
2848 UiFreeRefreshList ();\r
2849\r
2850 gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r
2851 gST->ConOut->SetCursorPosition (gST->ConOut, 0, Row + 4);\r
2852 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
2853 gST->ConOut->OutputString (gST->ConOut, L"\n");\r
2854\r
2855 return EFI_SUCCESS;\r
2856\r
2857 default:\r
2858 break;\r
2859 }\r
2860 }\r
2861}\r
EFI Development Kit II mirror for PVE