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Support call of SendForm() from Callback(), i.e. nested call of SendForm().
[mirror_edk2.git] / MdeModulePkg / Universal / SetupBrowserDxe / Ui.c
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7936fb6a 1/** @file\r
2Utility functions for User Interface functions.\r
3\r
d66e6c16 4Copyright (c) 2004 - 2009, 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
ce6d12cc 18LIST_ENTRY gMenuOption;\r
d66e6c16 19LIST_ENTRY gMenuList = INITIALIZE_LIST_HEAD_VARIABLE (gMenuList);\r
7936fb6a 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
7936fb6a 46 {\r
47 SCAN_LEFT,\r
48 UiLeft,\r
49 },\r
50 {\r
51 SCAN_RIGHT,\r
52 UiRight,\r
53 },\r
54 {\r
55 SCAN_F9,\r
56 UiDefault,\r
57 },\r
58 {\r
59 SCAN_F10,\r
60 UiSave\r
61 }\r
62};\r
63\r
64SCREEN_OPERATION_T0_CONTROL_FLAG gScreenOperationToControlFlag[] = {\r
65 {\r
66 UiNoOperation,\r
67 CfUiNoOperation,\r
68 },\r
69 {\r
70 UiDefault,\r
71 CfUiDefault,\r
72 },\r
73 {\r
74 UiSelect,\r
75 CfUiSelect,\r
76 },\r
77 {\r
78 UiUp,\r
79 CfUiUp,\r
80 },\r
81 {\r
82 UiDown,\r
83 CfUiDown,\r
84 },\r
85 {\r
86 UiLeft,\r
87 CfUiLeft,\r
88 },\r
89 {\r
90 UiRight,\r
91 CfUiRight,\r
92 },\r
93 {\r
94 UiReset,\r
95 CfUiReset,\r
96 },\r
97 {\r
98 UiSave,\r
99 CfUiSave,\r
100 },\r
7936fb6a 101 {\r
102 UiPageUp,\r
103 CfUiPageUp,\r
104 },\r
105 {\r
106 UiPageDown,\r
107 CfUiPageDown\r
108 }\r
109};\r
110\r
19b15d63 111BOOLEAN mInputError;\r
aa79b0b3 112BOOLEAN GetLineByWidthFinished = FALSE;\r
19b15d63 113\r
7936fb6a 114\r
115/**\r
116 Set Buffer to Value for Size bytes.\r
117\r
118 @param Buffer Memory to set.\r
119 @param Size Number of bytes to set\r
120 @param Value Value of the set operation.\r
121\r
122**/\r
123VOID\r
124SetUnicodeMem (\r
125 IN VOID *Buffer,\r
126 IN UINTN Size,\r
127 IN CHAR16 Value\r
128 )\r
129{\r
130 CHAR16 *Ptr;\r
131\r
132 Ptr = Buffer;\r
133 while ((Size--) != 0) {\r
134 *(Ptr++) = Value;\r
135 }\r
136}\r
137\r
138\r
139/**\r
140 Initialize Menu option list.\r
141\r
142**/\r
143VOID\r
144UiInitMenu (\r
145 VOID\r
146 )\r
147{\r
ce6d12cc 148 InitializeListHead (&gMenuOption);\r
7936fb6a 149}\r
150\r
151\r
152/**\r
d66e6c16 153 Free Menu option linked list.\r
7936fb6a 154\r
155**/\r
156VOID\r
d66e6c16 157UiFreeMenu (\r
7936fb6a 158 VOID\r
159 )\r
160{\r
d66e6c16 161 UI_MENU_OPTION *MenuOption;\r
162\r
ce6d12cc 163 while (!IsListEmpty (&gMenuOption)) {\r
164 MenuOption = MENU_OPTION_FROM_LINK (gMenuOption.ForwardLink);\r
d66e6c16 165 RemoveEntryList (&MenuOption->Link);\r
166\r
167 //\r
168 // We allocated space for this description when we did a GetToken, free it here\r
169 //\r
170 if (MenuOption->Skip != 0) {\r
171 //\r
172 // For date/time, MenuOption->Description is shared by three Menu Options\r
173 // Data format : [01/02/2004] [11:22:33]\r
174 // Line number : 0 0 1 0 0 1\r
175 //\r
176 FreePool (MenuOption->Description);\r
177 }\r
178 FreePool (MenuOption);\r
179 }\r
7936fb6a 180}\r
181\r
182\r
183/**\r
d66e6c16 184 Create a menu with specified formset GUID and form ID, and add it as a child\r
185 of the given parent menu.\r
7936fb6a 186\r
d66e6c16 187 @param Parent The parent of menu to be added.\r
188 @param FormSetGuid The Formset Guid of menu to be added.\r
189 @param FormId The Form ID of menu to be added.\r
190\r
191 @return A pointer to the newly added menu or NULL if memory is insufficient.\r
7936fb6a 192\r
193**/\r
d66e6c16 194UI_MENU_LIST *\r
195UiAddMenuList (\r
196 IN OUT UI_MENU_LIST *Parent,\r
197 IN EFI_GUID *FormSetGuid,\r
198 IN UINT16 FormId\r
7936fb6a 199 )\r
200{\r
d66e6c16 201 UI_MENU_LIST *MenuList;\r
7936fb6a 202\r
d66e6c16 203 MenuList = AllocateZeroPool (sizeof (UI_MENU_LIST));\r
204 if (MenuList == NULL) {\r
205 return NULL;\r
7936fb6a 206 }\r
7936fb6a 207\r
d66e6c16 208 MenuList->Signature = UI_MENU_LIST_SIGNATURE;\r
209 InitializeListHead (&MenuList->ChildListHead);\r
7936fb6a 210\r
d66e6c16 211 CopyMem (&MenuList->FormSetGuid, FormSetGuid, sizeof (EFI_GUID));\r
212 MenuList->FormId = FormId;\r
213 MenuList->Parent = Parent;\r
7936fb6a 214\r
d66e6c16 215 if (Parent == NULL) {\r
216 //\r
217 // If parent is not specified, it is the root Form of a Formset\r
218 //\r
219 InsertTailList (&gMenuList, &MenuList->Link);\r
220 } else {\r
221 InsertTailList (&Parent->ChildListHead, &MenuList->Link);\r
7936fb6a 222 }\r
d66e6c16 223\r
224 return MenuList;\r
7936fb6a 225}\r
226\r
227\r
228/**\r
d66e6c16 229 Search Menu with given FormId in the parent menu and all its child menus.\r
7936fb6a 230\r
d66e6c16 231 @param Parent The parent of menu to search.\r
232 @param FormId The Form ID of menu to search.\r
233\r
234 @return A pointer to menu found or NULL if not found.\r
7936fb6a 235\r
236**/\r
d66e6c16 237UI_MENU_LIST *\r
238UiFindChildMenuList (\r
239 IN UI_MENU_LIST *Parent,\r
240 IN UINT16 FormId\r
7936fb6a 241 )\r
242{\r
d66e6c16 243 LIST_ENTRY *Link;\r
244 UI_MENU_LIST *Child;\r
245 UI_MENU_LIST *MenuList;\r
246\r
247 if (Parent->FormId == FormId) {\r
248 return Parent;\r
249 }\r
7936fb6a 250\r
d66e6c16 251 Link = GetFirstNode (&Parent->ChildListHead);\r
252 while (!IsNull (&Parent->ChildListHead, Link)) {\r
253 Child = UI_MENU_LIST_FROM_LINK (Link);\r
7936fb6a 254\r
d66e6c16 255 MenuList = UiFindChildMenuList (Child, FormId);\r
256 if (MenuList != NULL) {\r
257 return MenuList;\r
258 }\r
7936fb6a 259\r
d66e6c16 260 Link = GetNextNode (&Parent->ChildListHead, Link);\r
261 }\r
262\r
263 return NULL;\r
7936fb6a 264}\r
265\r
266\r
267/**\r
d66e6c16 268 Search Menu with given FormSetGuid and FormId in all cached menu list.\r
269\r
270 @param FormSetGuid The Formset GUID of the menu to search.\r
271 @param FormId The Form ID of menu to search.\r
272\r
273 @return A pointer to menu found or NULL if not found.\r
7936fb6a 274\r
275**/\r
d66e6c16 276UI_MENU_LIST *\r
277UiFindMenuList (\r
278 IN EFI_GUID *FormSetGuid,\r
279 IN UINT16 FormId\r
7936fb6a 280 )\r
281{\r
d66e6c16 282 LIST_ENTRY *Link;\r
283 UI_MENU_LIST *MenuList;\r
284 UI_MENU_LIST *Child;\r
7936fb6a 285\r
d66e6c16 286 Link = GetFirstNode (&gMenuList);\r
287 while (!IsNull (&gMenuList, Link)) {\r
288 MenuList = UI_MENU_LIST_FROM_LINK (Link);\r
7936fb6a 289\r
d66e6c16 290 if (CompareGuid (FormSetGuid, &MenuList->FormSetGuid)) {\r
7936fb6a 291 //\r
d66e6c16 292 // This is the formset we are looking for, find the form in this formset\r
7936fb6a 293 //\r
d66e6c16 294 Child = UiFindChildMenuList (MenuList, FormId);\r
295 if (Child != NULL) {\r
296 return Child;\r
297 }\r
7936fb6a 298 }\r
d66e6c16 299\r
300 Link = GetNextNode (&gMenuList, Link);\r
7936fb6a 301 }\r
d66e6c16 302\r
303 return NULL;\r
7936fb6a 304}\r
305\r
306\r
307/**\r
308 Free Menu option linked list.\r
309\r
310**/\r
311VOID\r
312UiFreeRefreshList (\r
313 VOID\r
314 )\r
315{\r
316 MENU_REFRESH_ENTRY *OldMenuRefreshEntry;\r
317\r
318 while (gMenuRefreshHead != NULL) {\r
319 OldMenuRefreshEntry = gMenuRefreshHead->Next;\r
f4113e1f 320 FreePool (gMenuRefreshHead);\r
7936fb6a 321 gMenuRefreshHead = OldMenuRefreshEntry;\r
322 }\r
323\r
324 gMenuRefreshHead = NULL;\r
325}\r
326\r
327\r
328\r
329/**\r
330 Refresh screen.\r
331\r
332**/\r
8d00a0f1 333EFI_STATUS\r
7936fb6a 334RefreshForm (\r
335 VOID\r
336 )\r
337{\r
8d00a0f1 338 CHAR16 *OptionString;\r
339 MENU_REFRESH_ENTRY *MenuRefreshEntry;\r
340 UINTN Index;\r
341 EFI_STATUS Status;\r
342 UI_MENU_SELECTION *Selection;\r
343 FORM_BROWSER_STATEMENT *Question;\r
344 EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r
345 EFI_HII_VALUE *HiiValue;\r
346 EFI_BROWSER_ACTION_REQUEST ActionRequest;\r
7936fb6a 347\r
348 if (gMenuRefreshHead != NULL) {\r
349\r
350 MenuRefreshEntry = gMenuRefreshHead;\r
351\r
8d00a0f1 352 //\r
353 // Reset FormPackage update flag\r
354 //\r
355 mHiiPackageListUpdated = FALSE;\r
356\r
7936fb6a 357 do {\r
358 gST->ConOut->SetAttribute (gST->ConOut, MenuRefreshEntry->CurrentAttribute);\r
359\r
360 Selection = MenuRefreshEntry->Selection;\r
361 Question = MenuRefreshEntry->MenuOption->ThisTag;\r
362\r
8d00a0f1 363 Status = GetQuestionValue (Selection->FormSet, Selection->Form, Question, FALSE);\r
364 if (EFI_ERROR (Status)) {\r
365 return Status;\r
366 }\r
367\r
368 OptionString = NULL;\r
369 ProcessOptions (Selection, MenuRefreshEntry->MenuOption, FALSE, &OptionString);\r
370\r
371 if (OptionString != NULL) {\r
372 //\r
373 // If leading spaces on OptionString - remove the spaces\r
374 //\r
375 for (Index = 0; OptionString[Index] == L' '; Index++)\r
376 ;\r
377\r
378 PrintStringAt (MenuRefreshEntry->CurrentColumn, MenuRefreshEntry->CurrentRow, &OptionString[Index]);\r
f4113e1f 379 FreePool (OptionString);\r
8d00a0f1 380 }\r
381\r
7936fb6a 382 //\r
8d00a0f1 383 // Question value may be changed, need invoke its Callback()\r
7936fb6a 384 //\r
8d00a0f1 385 ConfigAccess = Selection->FormSet->ConfigAccess;\r
7064c0a5 386 if (((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) && (ConfigAccess != NULL)) {\r
8d00a0f1 387 ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
7936fb6a 388\r
8d00a0f1 389 HiiValue = &Question->HiiValue;\r
390 if (HiiValue->Type == EFI_IFR_TYPE_STRING) {\r
391 //\r
392 // Create String in HII database for Configuration Driver to retrieve\r
393 //\r
394 HiiValue->Value.string = NewString ((CHAR16 *) Question->BufferValue, Selection->FormSet->HiiHandle);\r
7936fb6a 395 }\r
396\r
8d00a0f1 397 Status = ConfigAccess->Callback (\r
398 ConfigAccess,\r
399 EFI_BROWSER_ACTION_CHANGING,\r
400 Question->QuestionId,\r
401 HiiValue->Type,\r
402 &HiiValue->Value,\r
403 &ActionRequest\r
404 );\r
7936fb6a 405\r
8d00a0f1 406 if (HiiValue->Type == EFI_IFR_TYPE_STRING) {\r
7936fb6a 407 //\r
8d00a0f1 408 // Clean the String in HII Database\r
7936fb6a 409 //\r
8d00a0f1 410 DeleteString (HiiValue->Value.string, Selection->FormSet->HiiHandle);\r
411 }\r
7936fb6a 412\r
8d00a0f1 413 if (!EFI_ERROR (Status)) {\r
414 switch (ActionRequest) {\r
415 case EFI_BROWSER_ACTION_REQUEST_RESET:\r
416 gResetRequired = TRUE;\r
417 break;\r
7936fb6a 418\r
8d00a0f1 419 case EFI_BROWSER_ACTION_REQUEST_SUBMIT:\r
420 SubmitForm (Selection->FormSet, Selection->Form);\r
421 break;\r
7936fb6a 422\r
8d00a0f1 423 case EFI_BROWSER_ACTION_REQUEST_EXIT:\r
424 Selection->Action = UI_ACTION_EXIT;\r
425 gNvUpdateRequired = FALSE;\r
426 break;\r
427\r
428 default:\r
429 break;\r
430 }\r
7936fb6a 431 }\r
432 }\r
433\r
434 MenuRefreshEntry = MenuRefreshEntry->Next;\r
435\r
436 } while (MenuRefreshEntry != NULL);\r
8d00a0f1 437\r
438 if (mHiiPackageListUpdated) {\r
439 //\r
440 // Package list is updated, force to reparse IFR binary of target Formset\r
441 //\r
442 mHiiPackageListUpdated = FALSE;\r
443 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
444 return EFI_SUCCESS;\r
445 }\r
7936fb6a 446 }\r
8d00a0f1 447\r
448 return EFI_TIMEOUT;\r
7936fb6a 449}\r
450\r
451\r
452/**\r
453 Wait for a given event to fire, or for an optional timeout to expire.\r
454\r
455 @param Event The event to wait for\r
456 @param Timeout An optional timeout value in 100 ns units.\r
457 @param RefreshInterval Menu refresh interval (in seconds).\r
458\r
459 @retval EFI_SUCCESS Event fired before Timeout expired.\r
460 @retval EFI_TIME_OUT Timout expired before Event fired.\r
461\r
462**/\r
463EFI_STATUS\r
464UiWaitForSingleEvent (\r
465 IN EFI_EVENT Event,\r
466 IN UINT64 Timeout, OPTIONAL\r
467 IN UINT8 RefreshInterval OPTIONAL\r
468 )\r
469{\r
470 EFI_STATUS Status;\r
471 UINTN Index;\r
472 EFI_EVENT TimerEvent;\r
473 EFI_EVENT WaitList[2];\r
474\r
475 if (Timeout != 0) {\r
476 //\r
477 // Create a timer event\r
478 //\r
479 Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);\r
480 if (!EFI_ERROR (Status)) {\r
481 //\r
482 // Set the timer event\r
483 //\r
484 gBS->SetTimer (\r
485 TimerEvent,\r
486 TimerRelative,\r
487 Timeout\r
488 );\r
489\r
490 //\r
491 // Wait for the original event or the timer\r
492 //\r
493 WaitList[0] = Event;\r
494 WaitList[1] = TimerEvent;\r
495 Status = gBS->WaitForEvent (2, WaitList, &Index);\r
496 gBS->CloseEvent (TimerEvent);\r
497\r
498 //\r
499 // If the timer expired, change the return to timed out\r
500 //\r
501 if (!EFI_ERROR (Status) && Index == 1) {\r
502 Status = EFI_TIMEOUT;\r
503 }\r
504 }\r
505 } else {\r
506 //\r
507 // Update screen every second\r
508 //\r
509 if (RefreshInterval == 0) {\r
510 Timeout = ONE_SECOND;\r
511 } else {\r
512 Timeout = RefreshInterval * ONE_SECOND;\r
513 }\r
514\r
515 do {\r
516 Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);\r
517\r
518 //\r
519 // Set the timer event\r
520 //\r
521 gBS->SetTimer (\r
522 TimerEvent,\r
523 TimerRelative,\r
524 Timeout\r
525 );\r
526\r
527 //\r
528 // Wait for the original event or the timer\r
529 //\r
530 WaitList[0] = Event;\r
531 WaitList[1] = TimerEvent;\r
532 Status = gBS->WaitForEvent (2, WaitList, &Index);\r
533\r
534 //\r
535 // If the timer expired, update anything that needs a refresh and keep waiting\r
536 //\r
537 if (!EFI_ERROR (Status) && Index == 1) {\r
538 Status = EFI_TIMEOUT;\r
539 if (RefreshInterval != 0) {\r
8d00a0f1 540 Status = RefreshForm ();\r
7936fb6a 541 }\r
542 }\r
543\r
544 gBS->CloseEvent (TimerEvent);\r
545 } while (Status == EFI_TIMEOUT);\r
546 }\r
547\r
548 return Status;\r
549}\r
550\r
551\r
552/**\r
553 Add one menu option by specified description and context.\r
554\r
555 @param String String description for this option.\r
556 @param Handle Hii handle for the package list.\r
557 @param Statement Statement of this Menu Option.\r
558 @param NumberOfLines Display lines for this Menu Option.\r
559 @param MenuItemCount The index for this Option in the Menu.\r
560\r
8b0fc5c1 561 @retval Pointer Pointer to the added Menu Option.\r
562\r
7936fb6a 563**/\r
8b0fc5c1 564UI_MENU_OPTION *\r
7936fb6a 565UiAddMenuOption (\r
566 IN CHAR16 *String,\r
567 IN EFI_HII_HANDLE Handle,\r
568 IN FORM_BROWSER_STATEMENT *Statement,\r
569 IN UINT16 NumberOfLines,\r
570 IN UINT16 MenuItemCount\r
571 )\r
572{\r
573 UI_MENU_OPTION *MenuOption;\r
574 UINTN Index;\r
575 UINTN Count;\r
576\r
577 Count = 1;\r
8b0fc5c1 578 MenuOption = NULL;\r
7936fb6a 579\r
580 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
581 //\r
582 // Add three MenuOptions for Date/Time\r
583 // Data format : [01/02/2004] [11:22:33]\r
584 // Line number : 0 0 1 0 0 1\r
585 //\r
586 NumberOfLines = 0;\r
587 Count = 3;\r
588\r
589 if (Statement->Storage == NULL) {\r
590 //\r
591 // For RTC type of date/time, set default refresh interval to be 1 second\r
592 //\r
593 if (Statement->RefreshInterval == 0) {\r
594 Statement->RefreshInterval = 1;\r
595 }\r
596 }\r
597 }\r
598\r
599 for (Index = 0; Index < Count; Index++) {\r
600 MenuOption = AllocateZeroPool (sizeof (UI_MENU_OPTION));\r
601 ASSERT (MenuOption);\r
602\r
603 MenuOption->Signature = UI_MENU_OPTION_SIGNATURE;\r
604 MenuOption->Description = String;\r
605 MenuOption->Handle = Handle;\r
606 MenuOption->ThisTag = Statement;\r
607 MenuOption->EntryNumber = MenuItemCount;\r
608\r
609 if (Index == 2) {\r
610 //\r
611 // Override LineNumber for the MenuOption in Date/Time sequence\r
612 //\r
613 MenuOption->Skip = 1;\r
614 } else {\r
615 MenuOption->Skip = NumberOfLines;\r
616 }\r
617 MenuOption->Sequence = Index;\r
618\r
619 if (Statement->GrayOutExpression != NULL) {\r
620 MenuOption->GrayOut = Statement->GrayOutExpression->Result.Value.b;\r
621 }\r
622\r
8b0fc5c1 623 switch (Statement->Operand) {\r
624 case EFI_IFR_ORDERED_LIST_OP:\r
625 case EFI_IFR_ONE_OF_OP:\r
626 case EFI_IFR_NUMERIC_OP:\r
627 case EFI_IFR_TIME_OP:\r
628 case EFI_IFR_DATE_OP:\r
629 case EFI_IFR_CHECKBOX_OP:\r
630 case EFI_IFR_PASSWORD_OP:\r
631 case EFI_IFR_STRING_OP:\r
632 //\r
633 // User could change the value of these items\r
634 //\r
635 MenuOption->IsQuestion = TRUE;\r
636 break;\r
637\r
638 default:\r
639 MenuOption->IsQuestion = FALSE;\r
640 break;\r
641 }\r
642\r
7936fb6a 643 if ((Statement->ValueExpression != NULL) ||\r
644 ((Statement->QuestionFlags & EFI_IFR_FLAG_READ_ONLY) != 0)) {\r
645 MenuOption->ReadOnly = TRUE;\r
646 }\r
647\r
ce6d12cc 648 InsertTailList (&gMenuOption, &MenuOption->Link);\r
7936fb6a 649 }\r
8b0fc5c1 650\r
651 return MenuOption;\r
7936fb6a 652}\r
653\r
654\r
655/**\r
656 Routine used to abstract a generic dialog interface and return the selected key or string\r
657\r
658 @param NumberOfLines The number of lines for the dialog box\r
659 @param HotKey Defines whether a single character is parsed\r
660 (TRUE) and returned in KeyValue or a string is\r
661 returned in StringBuffer. Two special characters\r
662 are considered when entering a string, a SCAN_ESC\r
663 and an CHAR_CARRIAGE_RETURN. SCAN_ESC terminates\r
664 string input and returns\r
665 @param MaximumStringSize The maximum size in bytes of a typed in string\r
666 (each character is a CHAR16) and the minimum\r
667 string returned is two bytes\r
668 @param StringBuffer The passed in pointer to the buffer which will\r
669 hold the typed in string if HotKey is FALSE\r
670 @param KeyValue The EFI_KEY value returned if HotKey is TRUE..\r
7936fb6a 671 @param ... A series of (quantity == NumberOfLines) text\r
672 strings which will be used to construct the dialog\r
673 box\r
674\r
675 @retval EFI_SUCCESS Displayed dialog and received user interaction\r
676 @retval EFI_INVALID_PARAMETER One of the parameters was invalid (e.g.\r
677 (StringBuffer == NULL) && (HotKey == FALSE))\r
678 @retval EFI_DEVICE_ERROR User typed in an ESC character to exit the routine\r
679\r
680**/\r
681EFI_STATUS\r
682CreateDialog (\r
683 IN UINTN NumberOfLines,\r
684 IN BOOLEAN HotKey,\r
685 IN UINTN MaximumStringSize,\r
686 OUT CHAR16 *StringBuffer,\r
687 OUT EFI_INPUT_KEY *KeyValue,\r
7936fb6a 688 ...\r
689 )\r
690{\r
691 VA_LIST Marker;\r
692 UINTN Count;\r
693 EFI_INPUT_KEY Key;\r
694 UINTN LargestString;\r
695 CHAR16 *TempString;\r
696 CHAR16 *BufferedString;\r
697 CHAR16 *StackString;\r
698 CHAR16 KeyPad[2];\r
699 UINTN Start;\r
700 UINTN Top;\r
701 UINTN Index;\r
702 EFI_STATUS Status;\r
703 BOOLEAN SelectionComplete;\r
704 UINTN InputOffset;\r
705 UINTN CurrentAttribute;\r
706 UINTN DimensionsWidth;\r
707 UINTN DimensionsHeight;\r
708\r
709 DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r
710 DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;\r
711\r
712 SelectionComplete = FALSE;\r
713 InputOffset = 0;\r
714 TempString = AllocateZeroPool (MaximumStringSize * 2);\r
715 BufferedString = AllocateZeroPool (MaximumStringSize * 2);\r
716 CurrentAttribute = gST->ConOut->Mode->Attribute;\r
717\r
718 ASSERT (TempString);\r
719 ASSERT (BufferedString);\r
720\r
f4bcc90f 721 VA_START (Marker, KeyValue);\r
7936fb6a 722\r
723 //\r
724 // Zero the outgoing buffer\r
725 //\r
726 ZeroMem (StringBuffer, MaximumStringSize);\r
727\r
728 if (HotKey) {\r
729 if (KeyValue == NULL) {\r
730 return EFI_INVALID_PARAMETER;\r
731 }\r
732 } else {\r
733 if (StringBuffer == NULL) {\r
734 return EFI_INVALID_PARAMETER;\r
735 }\r
736 }\r
737 //\r
738 // Disable cursor\r
739 //\r
740 gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r
741\r
f4bcc90f 742 LargestString = 0;\r
7936fb6a 743\r
7936fb6a 744 //\r
745 // Determine the largest string in the dialog box\r
746 // Notice we are starting with 1 since String is the first string\r
747 //\r
f4bcc90f 748 for (Count = 0; Count < NumberOfLines; Count++) {\r
7936fb6a 749 StackString = VA_ARG (Marker, CHAR16 *);\r
750\r
751 if (StackString[0] == L' ') {\r
752 InputOffset = Count + 1;\r
753 }\r
754\r
755 if ((GetStringWidth (StackString) / 2) > LargestString) {\r
756 //\r
757 // Size of the string visually and subtract the width by one for the null-terminator\r
758 //\r
759 LargestString = (GetStringWidth (StackString) / 2);\r
760 }\r
761 }\r
1c9a7554 762 VA_END (Marker);\r
7936fb6a 763\r
764 Start = (DimensionsWidth - LargestString - 2) / 2 + gScreenDimensions.LeftColumn + 1;\r
765 Top = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1;\r
766\r
767 Count = 0;\r
768\r
769 //\r
770 // Display the Popup\r
771 //\r
1c9a7554 772 VA_START (Marker, KeyValue);\r
773 CreateSharedPopUp (LargestString, NumberOfLines, Marker);\r
774 VA_END (Marker);\r
7936fb6a 775\r
776 //\r
777 // Take the first key typed and report it back?\r
778 //\r
779 if (HotKey) {\r
780 Status = WaitForKeyStroke (&Key);\r
781 ASSERT_EFI_ERROR (Status);\r
782 CopyMem (KeyValue, &Key, sizeof (EFI_INPUT_KEY));\r
783\r
784 } else {\r
785 do {\r
786 Status = WaitForKeyStroke (&Key);\r
787\r
788 switch (Key.UnicodeChar) {\r
789 case CHAR_NULL:\r
790 switch (Key.ScanCode) {\r
791 case SCAN_ESC:\r
f4113e1f 792 FreePool (TempString);\r
793 FreePool (BufferedString);\r
7936fb6a 794 gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
795 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
796 return EFI_DEVICE_ERROR;\r
797\r
798 default:\r
799 break;\r
800 }\r
801\r
802 break;\r
803\r
804 case CHAR_CARRIAGE_RETURN:\r
805 SelectionComplete = TRUE;\r
f4113e1f 806 FreePool (TempString);\r
807 FreePool (BufferedString);\r
7936fb6a 808 gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
809 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
810 return EFI_SUCCESS;\r
811 break;\r
812\r
813 case CHAR_BACKSPACE:\r
814 if (StringBuffer[0] != CHAR_NULL) {\r
815 for (Index = 0; StringBuffer[Index] != CHAR_NULL; Index++) {\r
816 TempString[Index] = StringBuffer[Index];\r
817 }\r
818 //\r
819 // Effectively truncate string by 1 character\r
820 //\r
821 TempString[Index - 1] = CHAR_NULL;\r
822 StrCpy (StringBuffer, TempString);\r
823 }\r
824\r
825 default:\r
826 //\r
827 // If it is the beginning of the string, don't worry about checking maximum limits\r
828 //\r
829 if ((StringBuffer[0] == CHAR_NULL) && (Key.UnicodeChar != CHAR_BACKSPACE)) {\r
830 StrnCpy (StringBuffer, &Key.UnicodeChar, 1);\r
831 StrnCpy (TempString, &Key.UnicodeChar, 1);\r
832 } else if ((GetStringWidth (StringBuffer) < MaximumStringSize) && (Key.UnicodeChar != CHAR_BACKSPACE)) {\r
833 KeyPad[0] = Key.UnicodeChar;\r
834 KeyPad[1] = CHAR_NULL;\r
835 StrCat (StringBuffer, KeyPad);\r
836 StrCat (TempString, KeyPad);\r
837 }\r
838 //\r
839 // If the width of the input string is now larger than the screen, we nee to\r
840 // adjust the index to start printing portions of the string\r
841 //\r
842 SetUnicodeMem (BufferedString, LargestString, L' ');\r
843\r
844 PrintStringAt (Start + 1, Top + InputOffset, BufferedString);\r
845\r
846 if ((GetStringWidth (StringBuffer) / 2) > (DimensionsWidth - 2)) {\r
847 Index = (GetStringWidth (StringBuffer) / 2) - DimensionsWidth + 2;\r
848 } else {\r
849 Index = 0;\r
850 }\r
851\r
852 for (Count = 0; Index + 1 < GetStringWidth (StringBuffer) / 2; Index++, Count++) {\r
853 BufferedString[Count] = StringBuffer[Index];\r
854 }\r
855\r
856 PrintStringAt (Start + 1, Top + InputOffset, BufferedString);\r
857 break;\r
858 }\r
859 } while (!SelectionComplete);\r
860 }\r
861\r
862 gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
863 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
864 return EFI_SUCCESS;\r
865}\r
866\r
867/**\r
868 Draw a pop up windows based on the dimension, number of lines and\r
869 strings specified.\r
870\r
871 @param RequestedWidth The width of the pop-up.\r
872 @param NumberOfLines The number of lines.\r
f4bcc90f 873 @param Marker The variable argument list for the list of string to be printed.\r
7936fb6a 874\r
875**/\r
876VOID\r
877CreateSharedPopUp (\r
878 IN UINTN RequestedWidth,\r
879 IN UINTN NumberOfLines,\r
f4bcc90f 880 IN VA_LIST Marker\r
7936fb6a 881 )\r
882{\r
883 UINTN Index;\r
884 UINTN Count;\r
885 CHAR16 Character;\r
886 UINTN Start;\r
887 UINTN End;\r
888 UINTN Top;\r
889 UINTN Bottom;\r
890 CHAR16 *String;\r
891 UINTN DimensionsWidth;\r
892 UINTN DimensionsHeight;\r
893\r
894 DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r
895 DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;\r
896\r
7936fb6a 897 gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r
898\r
899 if ((RequestedWidth + 2) > DimensionsWidth) {\r
900 RequestedWidth = DimensionsWidth - 2;\r
901 }\r
902\r
903 //\r
904 // Subtract the PopUp width from total Columns, allow for one space extra on\r
905 // each end plus a border.\r
906 //\r
907 Start = (DimensionsWidth - RequestedWidth - 2) / 2 + gScreenDimensions.LeftColumn + 1;\r
908 End = Start + RequestedWidth + 1;\r
909\r
910 Top = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1;\r
911 Bottom = Top + NumberOfLines + 2;\r
912\r
913 Character = BOXDRAW_DOWN_RIGHT;\r
914 PrintCharAt (Start, Top, Character);\r
915 Character = BOXDRAW_HORIZONTAL;\r
916 for (Index = Start; Index + 2 < End; Index++) {\r
917 PrintChar (Character);\r
918 }\r
919\r
920 Character = BOXDRAW_DOWN_LEFT;\r
921 PrintChar (Character);\r
922 Character = BOXDRAW_VERTICAL;\r
f4bcc90f 923\r
924 Count = 0;\r
925 for (Index = Top; Index + 2 < Bottom; Index++, Count++) {\r
926 String = VA_ARG (Marker, CHAR16*);\r
7936fb6a 927\r
928 //\r
929 // This will clear the background of the line - we never know who might have been\r
930 // here before us. This differs from the next clear in that it used the non-reverse\r
931 // video for normal printing.\r
932 //\r
933 if (GetStringWidth (String) / 2 > 1) {\r
934 ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND);\r
935 }\r
936\r
937 //\r
938 // Passing in a space results in the assumption that this is where typing will occur\r
939 //\r
940 if (String[0] == L' ') {\r
941 ClearLines (Start + 1, End - 1, Index + 1, Index + 1, POPUP_INVERSE_TEXT | POPUP_INVERSE_BACKGROUND);\r
942 }\r
943\r
944 //\r
945 // Passing in a NULL results in a blank space\r
946 //\r
947 if (String[0] == CHAR_NULL) {\r
948 ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND);\r
949 }\r
950\r
951 PrintStringAt (\r
952 ((DimensionsWidth - GetStringWidth (String) / 2) / 2) + gScreenDimensions.LeftColumn + 1,\r
953 Index + 1,\r
954 String\r
955 );\r
956 gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);\r
957 PrintCharAt (Start, Index + 1, Character);\r
958 PrintCharAt (End - 1, Index + 1, Character);\r
959 }\r
960\r
961 Character = BOXDRAW_UP_RIGHT;\r
962 PrintCharAt (Start, Bottom - 1, Character);\r
963 Character = BOXDRAW_HORIZONTAL;\r
964 for (Index = Start; Index + 2 < End; Index++) {\r
965 PrintChar (Character);\r
966 }\r
967\r
968 Character = BOXDRAW_UP_LEFT;\r
969 PrintChar (Character);\r
970}\r
971\r
972/**\r
973 Draw a pop up windows based on the dimension, number of lines and\r
974 strings specified.\r
975\r
976 @param RequestedWidth The width of the pop-up.\r
977 @param NumberOfLines The number of lines.\r
7936fb6a 978 @param ... A series of text strings that displayed in the pop-up.\r
979\r
980**/\r
981VOID\r
3ebb9bdb 982CreateMultiStringPopUp (\r
7936fb6a 983 IN UINTN RequestedWidth,\r
984 IN UINTN NumberOfLines,\r
7936fb6a 985 ...\r
986 )\r
987{\r
f4bcc90f 988 VA_LIST Marker;\r
989\r
990 VA_START (Marker, NumberOfLines);\r
d66e6c16 991\r
f4bcc90f 992 CreateSharedPopUp (RequestedWidth, NumberOfLines, Marker);\r
993\r
994 VA_END (Marker);\r
7936fb6a 995}\r
996\r
997\r
998/**\r
999 Update status bar on the bottom of menu.\r
1000\r
1001 @param MessageType The type of message to be shown.\r
1002 @param Flags The flags in Question header.\r
1003 @param State Set or clear.\r
1004\r
1005**/\r
1006VOID\r
1007UpdateStatusBar (\r
1008 IN UINTN MessageType,\r
1009 IN UINT8 Flags,\r
1010 IN BOOLEAN State\r
1011 )\r
1012{\r
1013 UINTN Index;\r
7936fb6a 1014 CHAR16 *NvUpdateMessage;\r
1015 CHAR16 *InputErrorMessage;\r
1016\r
1017 NvUpdateMessage = GetToken (STRING_TOKEN (NV_UPDATE_MESSAGE), gHiiHandle);\r
1018 InputErrorMessage = GetToken (STRING_TOKEN (INPUT_ERROR_MESSAGE), gHiiHandle);\r
1019\r
1020 switch (MessageType) {\r
1021 case INPUT_ERROR:\r
1022 if (State) {\r
1023 gST->ConOut->SetAttribute (gST->ConOut, ERROR_TEXT);\r
1024 PrintStringAt (\r
1025 gScreenDimensions.LeftColumn + gPromptBlockWidth,\r
1026 gScreenDimensions.BottomRow - 1,\r
1027 InputErrorMessage\r
1028 );\r
19b15d63 1029 mInputError = TRUE;\r
7936fb6a 1030 } else {\r
1031 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT);\r
1032 for (Index = 0; Index < (GetStringWidth (InputErrorMessage) - 2) / 2; Index++) {\r
1033 PrintAt (gScreenDimensions.LeftColumn + gPromptBlockWidth + Index, gScreenDimensions.BottomRow - 1, L" ");\r
1034 }\r
1035\r
19b15d63 1036 mInputError = FALSE;\r
7936fb6a 1037 }\r
1038 break;\r
1039\r
1040 case NV_UPDATE_REQUIRED:\r
0a1147ed 1041 if (gClassOfVfr != FORMSET_CLASS_FRONT_PAGE) {\r
7936fb6a 1042 if (State) {\r
1043 gST->ConOut->SetAttribute (gST->ConOut, INFO_TEXT);\r
1044 PrintStringAt (\r
1045 gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth,\r
1046 gScreenDimensions.BottomRow - 1,\r
1047 NvUpdateMessage\r
1048 );\r
1049 gResetRequired = (BOOLEAN) (gResetRequired | ((Flags & EFI_IFR_FLAG_RESET_REQUIRED) == EFI_IFR_FLAG_RESET_REQUIRED));\r
1050\r
1051 gNvUpdateRequired = TRUE;\r
1052 } else {\r
1053 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT);\r
1054 for (Index = 0; Index < (GetStringWidth (NvUpdateMessage) - 2) / 2; Index++) {\r
1055 PrintAt (\r
1056 (gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + Index),\r
1057 gScreenDimensions.BottomRow - 1,\r
1058 L" "\r
1059 );\r
1060 }\r
1061\r
1062 gNvUpdateRequired = FALSE;\r
1063 }\r
1064 }\r
1065 break;\r
1066\r
1067 case REFRESH_STATUS_BAR:\r
19b15d63 1068 if (mInputError) {\r
7936fb6a 1069 UpdateStatusBar (INPUT_ERROR, Flags, TRUE);\r
1070 }\r
1071\r
1072 if (gNvUpdateRequired) {\r
1073 UpdateStatusBar (NV_UPDATE_REQUIRED, Flags, TRUE);\r
1074 }\r
1075 break;\r
1076\r
1077 default:\r
1078 break;\r
1079 }\r
1080\r
f4113e1f 1081 FreePool (InputErrorMessage);\r
1082 FreePool (NvUpdateMessage);\r
7936fb6a 1083 return ;\r
1084}\r
1085\r
1086\r
1087/**\r
1088 Get the supported width for a particular op-code\r
1089\r
1090 @param Statement The FORM_BROWSER_STATEMENT structure passed in.\r
1091 @param Handle The handle in the HII database being used\r
1092\r
1093 @return Returns the number of CHAR16 characters that is support.\r
1094\r
1095**/\r
1096UINT16\r
1097GetWidth (\r
1098 IN FORM_BROWSER_STATEMENT *Statement,\r
1099 IN EFI_HII_HANDLE Handle\r
1100 )\r
1101{\r
1102 CHAR16 *String;\r
1103 UINTN Size;\r
1104 UINT16 Width;\r
1105\r
1106 Size = 0;\r
1107\r
1108 //\r
1109 // See if the second text parameter is really NULL\r
1110 //\r
1111 if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) {\r
1112 String = GetToken (Statement->TextTwo, Handle);\r
1113 Size = StrLen (String);\r
f4113e1f 1114 FreePool (String);\r
7936fb6a 1115 }\r
1116\r
1117 if ((Statement->Operand == EFI_IFR_SUBTITLE_OP) ||\r
1118 (Statement->Operand == EFI_IFR_REF_OP) ||\r
1119 (Statement->Operand == EFI_IFR_PASSWORD_OP) ||\r
1120 (Statement->Operand == EFI_IFR_ACTION_OP) ||\r
1121 (Statement->Operand == EFI_IFR_RESET_BUTTON_OP) ||\r
1122 //\r
1123 // Allow a wide display if text op-code and no secondary text op-code\r
1124 //\r
1125 ((Statement->Operand == EFI_IFR_TEXT_OP) && (Size == 0))\r
1126 ) {\r
1127 Width = (UINT16) (gPromptBlockWidth + gOptionBlockWidth);\r
1128 } else {\r
1129 Width = (UINT16) gPromptBlockWidth;\r
1130 }\r
1131\r
1132 if (Statement->InSubtitle) {\r
1133 Width -= SUBTITLE_INDENT;\r
1134 }\r
1135\r
1136 return Width;\r
1137}\r
1138\r
7936fb6a 1139/**\r
1140 Will copy LineWidth amount of a string in the OutputString buffer and return the\r
1141 number of CHAR16 characters that were copied into the OutputString buffer.\r
1142\r
1143 @param InputString String description for this option.\r
1144 @param LineWidth Width of the desired string to extract in CHAR16\r
1145 characters\r
1146 @param Index Where in InputString to start the copy process\r
1147 @param OutputString Buffer to copy the string into\r
1148\r
1149 @return Returns the number of CHAR16 characters that were copied into the OutputString buffer.\r
1150\r
1151**/\r
1152UINT16\r
1153GetLineByWidth (\r
1154 IN CHAR16 *InputString,\r
1155 IN UINT16 LineWidth,\r
1156 IN OUT UINTN *Index,\r
1157 OUT CHAR16 **OutputString\r
1158 )\r
1159{\r
1160 UINT16 Count;\r
1161 UINT16 Count2;\r
1162\r
1163 if (GetLineByWidthFinished) {\r
1164 GetLineByWidthFinished = FALSE;\r
1165 return (UINT16) 0;\r
1166 }\r
1167\r
1168 Count = LineWidth;\r
1169 Count2 = 0;\r
1170\r
1171 *OutputString = AllocateZeroPool (((UINTN) (LineWidth + 1) * 2));\r
1172\r
1173 //\r
1174 // Ensure we have got a valid buffer\r
1175 //\r
1176 if (*OutputString != NULL) {\r
1177\r
1178 //\r
1179 //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
1180 //To avoid displaying this empty line in screen, just skip the two CHARs here.\r
1181 //\r
1182 if ((InputString[*Index] == NARROW_CHAR) && (InputString[*Index + 1] == CHAR_CARRIAGE_RETURN)) {\r
1183 *Index = *Index + 2;\r
1184 }\r
1185\r
1186 //\r
1187 // Fast-forward the string and see if there is a carriage-return in the string\r
1188 //\r
1189 for (; (InputString[*Index + Count2] != CHAR_CARRIAGE_RETURN) && (Count2 != LineWidth); Count2++)\r
1190 ;\r
1191\r
1192 //\r
1193 // Copy the desired LineWidth of data to the output buffer.\r
1194 // Also make sure that we don't copy more than the string.\r
1195 // Also make sure that if there are linefeeds, we account for them.\r
1196 //\r
1197 if ((StrSize (&InputString[*Index]) <= ((UINTN) (LineWidth + 1) * 2)) &&\r
1198 (StrSize (&InputString[*Index]) <= ((UINTN) (Count2 + 1) * 2))\r
1199 ) {\r
1200 //\r
1201 // Convert to CHAR16 value and show that we are done with this operation\r
1202 //\r
1203 LineWidth = (UINT16) ((StrSize (&InputString[*Index]) - 2) / 2);\r
1204 if (LineWidth != 0) {\r
1205 GetLineByWidthFinished = TRUE;\r
1206 }\r
1207 } else {\r
1208 if (Count2 == LineWidth) {\r
1209 //\r
1210 // Rewind the string from the maximum size until we see a space to break the line\r
1211 //\r
1212 for (; (InputString[*Index + LineWidth] != CHAR_SPACE) && (LineWidth != 0); LineWidth--)\r
1213 ;\r
1214 if (LineWidth == 0) {\r
1215 LineWidth = Count;\r
1216 }\r
1217 } else {\r
1218 LineWidth = Count2;\r
1219 }\r
1220 }\r
1221\r
1222 CopyMem (*OutputString, &InputString[*Index], LineWidth * 2);\r
1223\r
1224 //\r
1225 // If currently pointing to a space, increment the index to the first non-space character\r
1226 //\r
1227 for (;\r
1228 (InputString[*Index + LineWidth] == CHAR_SPACE) || (InputString[*Index + LineWidth] == CHAR_CARRIAGE_RETURN);\r
1229 (*Index)++\r
1230 )\r
1231 ;\r
1232 *Index = (UINT16) (*Index + LineWidth);\r
1233 return LineWidth;\r
1234 } else {\r
1235 return (UINT16) 0;\r
1236 }\r
1237}\r
1238\r
1239\r
1240/**\r
1241 Update display lines for a Menu Option.\r
1242\r
1243 @param Selection The user's selection.\r
1244 @param MenuOption The MenuOption to be checked.\r
1245 @param OptionalString The option string.\r
1246 @param SkipValue The number of lins to skip.\r
1247\r
7936fb6a 1248**/\r
1249VOID\r
1250UpdateOptionSkipLines (\r
1251 IN UI_MENU_SELECTION *Selection,\r
1252 IN UI_MENU_OPTION *MenuOption,\r
1253 OUT CHAR16 **OptionalString,\r
1254 IN UINTN SkipValue\r
1255 )\r
1256{\r
1257 UINTN Index;\r
1258 UINT16 Width;\r
1259 UINTN Row;\r
1260 UINTN OriginalRow;\r
1261 CHAR16 *OutputString;\r
1262 CHAR16 *OptionString;\r
1263\r
1264 Row = 0;\r
1265 OptionString = *OptionalString;\r
1266 OutputString = NULL;\r
1267\r
1268 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1269\r
1270 if (OptionString != NULL) {\r
1271 Width = (UINT16) gOptionBlockWidth;\r
1272\r
1273 OriginalRow = Row;\r
1274\r
1275 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1276 //\r
1277 // If there is more string to process print on the next row and increment the Skip value\r
1278 //\r
d1a54e2c 1279 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 1280 if (SkipValue == 0) {\r
1281 Row++;\r
1282 //\r
1283 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1284 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1285 // some testing to ensure we are keeping this in-sync.\r
1286 //\r
1287 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1288 //\r
1289 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1290 MenuOption->Skip++;\r
1291 }\r
1292 }\r
1293 }\r
1294\r
f4113e1f 1295 FreePool (OutputString);\r
7936fb6a 1296 if (SkipValue != 0) {\r
1297 SkipValue--;\r
1298 }\r
1299 }\r
1300\r
1301 Row = OriginalRow;\r
1302 }\r
1303\r
1304 *OptionalString = OptionString;\r
1305}\r
1306\r
1307\r
1308/**\r
1309 Check whether this Menu Option could be highlighted.\r
1310\r
1311 This is an internal function.\r
1312\r
1313 @param MenuOption The MenuOption to be checked.\r
1314\r
1315 @retval TRUE This Menu Option is selectable.\r
1316 @retval FALSE This Menu Option could not be selected.\r
1317\r
1318**/\r
1319BOOLEAN\r
1320IsSelectable (\r
1321 UI_MENU_OPTION *MenuOption\r
1322 )\r
1323{\r
1324 if ((MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) ||\r
1325 MenuOption->GrayOut || MenuOption->ReadOnly) {\r
1326 return FALSE;\r
1327 } else {\r
1328 return TRUE;\r
1329 }\r
1330}\r
1331\r
1332\r
1333/**\r
1334 Determine if the menu is the last menu that can be selected.\r
1335\r
1336 This is an internal function.\r
d66e6c16 1337\r
7936fb6a 1338 @param Direction The scroll direction. False is down. True is up.\r
1339 @param CurrentPos The current focus.\r
1340\r
1341 @return FALSE -- the menu isn't the last menu that can be selected.\r
1342 @return TRUE -- the menu is the last menu that can be selected.\r
1343\r
1344**/\r
1345BOOLEAN\r
1346ValueIsScroll (\r
1347 IN BOOLEAN Direction,\r
1348 IN LIST_ENTRY *CurrentPos\r
1349 )\r
1350{\r
1351 LIST_ENTRY *Temp;\r
1352 UI_MENU_OPTION *MenuOption;\r
1353\r
1354 Temp = Direction ? CurrentPos->BackLink : CurrentPos->ForwardLink;\r
1355\r
ce6d12cc 1356 if (Temp == &gMenuOption) {\r
7936fb6a 1357 return TRUE;\r
1358 }\r
1359\r
ce6d12cc 1360 for (; Temp != &gMenuOption; Temp = Direction ? Temp->BackLink : Temp->ForwardLink) {\r
7936fb6a 1361 MenuOption = MENU_OPTION_FROM_LINK (Temp);\r
1362 if (IsSelectable (MenuOption)) {\r
1363 return FALSE;\r
1364 }\r
1365 }\r
1366\r
1367 return TRUE;\r
1368}\r
1369\r
1370\r
1371/**\r
1372 Move to next selectable statement.\r
d66e6c16 1373\r
7936fb6a 1374 This is an internal function.\r
d66e6c16 1375\r
7936fb6a 1376 @param GoUp The navigation direction. TRUE: up, FALSE: down.\r
1377 @param CurrentPosition Current position.\r
1378\r
1379 @return The row distance from current MenuOption to next selectable MenuOption.\r
1380\r
1381**/\r
1382INTN\r
1383MoveToNextStatement (\r
1384 IN BOOLEAN GoUp,\r
1385 IN OUT LIST_ENTRY **CurrentPosition\r
1386 )\r
1387{\r
1388 INTN Distance;\r
1389 LIST_ENTRY *Pos;\r
1390 BOOLEAN HitEnd;\r
1391 UI_MENU_OPTION *NextMenuOption;\r
1392\r
1393 Distance = 0;\r
1394 Pos = *CurrentPosition;\r
1395 HitEnd = FALSE;\r
1396\r
1397 while (TRUE) {\r
1398 NextMenuOption = MENU_OPTION_FROM_LINK (Pos);\r
1399 if (IsSelectable (NextMenuOption)) {\r
1400 break;\r
1401 }\r
ce6d12cc 1402 if ((GoUp ? Pos->BackLink : Pos->ForwardLink) == &gMenuOption) {\r
7936fb6a 1403 HitEnd = TRUE;\r
1404 break;\r
1405 }\r
1406 Distance += NextMenuOption->Skip;\r
1407 Pos = (GoUp ? Pos->BackLink : Pos->ForwardLink);\r
1408 }\r
1409\r
1410 if (HitEnd) {\r
1411 //\r
1412 // If we hit end there is still no statement can be focused,\r
1413 // we go backwards to find the statement can be focused.\r
1414 //\r
1415 Distance = 0;\r
1416 Pos = *CurrentPosition;\r
1417\r
1418 while (TRUE) {\r
1419 NextMenuOption = MENU_OPTION_FROM_LINK (Pos);\r
1420 if (IsSelectable (NextMenuOption)) {\r
1421 break;\r
1422 }\r
ce6d12cc 1423 if ((!GoUp ? Pos->BackLink : Pos->ForwardLink) == &gMenuOption) {\r
7936fb6a 1424 ASSERT (FALSE);\r
1425 break;\r
1426 }\r
1427 Distance -= NextMenuOption->Skip;\r
1428 Pos = (!GoUp ? Pos->BackLink : Pos->ForwardLink);\r
1429 }\r
1430 }\r
1431\r
1432 *CurrentPosition = &NextMenuOption->Link;\r
1433 return Distance;\r
1434}\r
1435\r
1436\r
1437/**\r
1438 Adjust Data and Time position accordingly.\r
1439 Data format : [01/02/2004] [11:22:33]\r
1440 Line number : 0 0 1 0 0 1\r
d66e6c16 1441\r
7936fb6a 1442 This is an internal function.\r
1443\r
1444 @param DirectionUp the up or down direction. False is down. True is\r
1445 up.\r
1446 @param CurrentPosition Current position. On return: Point to the last\r
1447 Option (Year or Second) if up; Point to the first\r
1448 Option (Month or Hour) if down.\r
1449\r
1450 @return Return line number to pad. It is possible that we stand on a zero-advance\r
1451 @return data or time opcode, so pad one line when we judge if we are going to scroll outside.\r
1452\r
1453**/\r
1454UINTN\r
1455AdjustDateAndTimePosition (\r
1456 IN BOOLEAN DirectionUp,\r
1457 IN OUT LIST_ENTRY **CurrentPosition\r
1458 )\r
1459{\r
1460 UINTN Count;\r
1461 LIST_ENTRY *NewPosition;\r
1462 UI_MENU_OPTION *MenuOption;\r
1463 UINTN PadLineNumber;\r
1464\r
1465 PadLineNumber = 0;\r
1466 NewPosition = *CurrentPosition;\r
1467 MenuOption = MENU_OPTION_FROM_LINK (NewPosition);\r
1468\r
1469 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) ||\r
1470 (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
1471 //\r
1472 // Calculate the distance from current position to the last Date/Time MenuOption\r
1473 //\r
1474 Count = 0;\r
1475 while (MenuOption->Skip == 0) {\r
1476 Count++;\r
1477 NewPosition = NewPosition->ForwardLink;\r
1478 MenuOption = MENU_OPTION_FROM_LINK (NewPosition);\r
1479 PadLineNumber = 1;\r
1480 }\r
1481\r
1482 NewPosition = *CurrentPosition;\r
1483 if (DirectionUp) {\r
1484 //\r
1485 // Since the behavior of hitting the up arrow on a Date/Time MenuOption is intended\r
1486 // to be one that back to the previous set of MenuOptions, we need to advance to the first\r
1487 // Date/Time MenuOption and leave the remaining logic in CfUiUp intact so the appropriate\r
1488 // checking can be done.\r
1489 //\r
1490 while (Count++ < 2) {\r
1491 NewPosition = NewPosition->BackLink;\r
1492 }\r
1493 } else {\r
1494 //\r
1495 // Since the behavior of hitting the down arrow on a Date/Time MenuOption is intended\r
1496 // to be one that progresses to the next set of MenuOptions, we need to advance to the last\r
1497 // Date/Time MenuOption and leave the remaining logic in CfUiDown intact so the appropriate\r
1498 // checking can be done.\r
1499 //\r
1500 while (Count-- > 0) {\r
1501 NewPosition = NewPosition->ForwardLink;\r
1502 }\r
1503 }\r
1504\r
1505 *CurrentPosition = NewPosition;\r
1506 }\r
1507\r
1508 return PadLineNumber;\r
1509}\r
1510\r
cb7d01c0 1511/**\r
1512 Find HII Handle in the HII database associated with given Device Path.\r
1513\r
1514 If DevicePath is NULL, then ASSERT.\r
1515\r
1516 @param DevicePath Device Path associated with the HII package list\r
1517 handle.\r
1518\r
1519 @retval Handle HII package list Handle associated with the Device\r
1520 Path.\r
1521 @retval NULL Hii Package list handle is not found.\r
1522\r
1523**/\r
1524EFI_HII_HANDLE\r
1525EFIAPI\r
1526DevicePathToHiiHandle (\r
1527 IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
1528 )\r
1529{\r
1530 EFI_STATUS Status;\r
1531 EFI_DEVICE_PATH_PROTOCOL *TmpDevicePath;\r
1532 UINTN BufferSize;\r
1533 UINTN HandleCount;\r
1534 UINTN Index;\r
1535 EFI_HANDLE Handle;\r
1536 EFI_HANDLE DriverHandle;\r
1537 EFI_HII_HANDLE *HiiHandles;\r
1538 EFI_HII_HANDLE HiiHandle;\r
1539\r
1540 ASSERT (DevicePath != NULL);\r
1541\r
1542 TmpDevicePath = DevicePath;\r
1543 //\r
1544 // Locate Device Path Protocol handle buffer\r
1545 //\r
1546 Status = gBS->LocateDevicePath (\r
1547 &gEfiDevicePathProtocolGuid,\r
1548 &TmpDevicePath,\r
1549 &DriverHandle\r
1550 );\r
1551 if (EFI_ERROR (Status) || !IsDevicePathEnd (TmpDevicePath)) {\r
1552 return NULL;\r
1553 }\r
1554\r
1555 //\r
1556 // Retrieve all HII Handles from HII database\r
1557 //\r
1558 BufferSize = 0x1000;\r
1559 HiiHandles = AllocatePool (BufferSize);\r
1560 ASSERT (HiiHandles != NULL);\r
1561 Status = mHiiDatabase->ListPackageLists (\r
1562 mHiiDatabase,\r
1563 EFI_HII_PACKAGE_TYPE_ALL,\r
1564 NULL,\r
1565 &BufferSize,\r
1566 HiiHandles\r
1567 );\r
1568 if (Status == EFI_BUFFER_TOO_SMALL) {\r
1569 FreePool (HiiHandles);\r
1570 HiiHandles = AllocatePool (BufferSize);\r
1571 ASSERT (HiiHandles != NULL);\r
1572\r
1573 Status = mHiiDatabase->ListPackageLists (\r
1574 mHiiDatabase,\r
1575 EFI_HII_PACKAGE_TYPE_ALL,\r
1576 NULL,\r
1577 &BufferSize,\r
1578 HiiHandles\r
1579 );\r
1580 }\r
1581\r
1582 if (EFI_ERROR (Status)) {\r
1583 FreePool (HiiHandles);\r
1584 return NULL;\r
1585 }\r
1586\r
1587 //\r
1588 // Search Hii Handle by Driver Handle\r
1589 //\r
1590 HiiHandle = NULL;\r
1591 HandleCount = BufferSize / sizeof (EFI_HII_HANDLE);\r
1592 for (Index = 0; Index < HandleCount; Index++) {\r
1593 Status = mHiiDatabase->GetPackageListHandle (\r
1594 mHiiDatabase,\r
1595 HiiHandles[Index],\r
1596 &Handle\r
1597 );\r
1598 if (!EFI_ERROR (Status) && (Handle == DriverHandle)) {\r
1599 HiiHandle = HiiHandles[Index];\r
1600 break;\r
1601 }\r
1602 }\r
1603\r
1604 FreePool (HiiHandles);\r
1605 return HiiHandle;\r
1606}\r
7936fb6a 1607\r
1608/**\r
1609 Display menu and wait for user to select one menu option, then return it.\r
1610 If AutoBoot is enabled, then if user doesn't select any option,\r
1611 after period of time, it will automatically return the first menu option.\r
1612\r
1613 @param Selection Menu selection.\r
1614\r
1615 @retval EFI_SUCESSS This function always return successfully for now.\r
1616\r
1617**/\r
1618EFI_STATUS\r
1619UiDisplayMenu (\r
1620 IN OUT UI_MENU_SELECTION *Selection\r
1621 )\r
1622{\r
1623 INTN SkipValue;\r
1624 INTN Difference;\r
1625 INTN OldSkipValue;\r
1626 UINTN DistanceValue;\r
1627 UINTN Row;\r
1628 UINTN Col;\r
1629 UINTN Temp;\r
1630 UINTN Temp2;\r
1631 UINTN TopRow;\r
1632 UINTN BottomRow;\r
1633 UINTN OriginalRow;\r
1634 UINTN Index;\r
1635 UINT32 Count;\r
1636 UINT16 Width;\r
1637 CHAR16 *StringPtr;\r
1638 CHAR16 *OptionString;\r
1639 CHAR16 *OutputString;\r
1640 CHAR16 *FormattedString;\r
1641 CHAR16 YesResponse;\r
1642 CHAR16 NoResponse;\r
1643 BOOLEAN NewLine;\r
1644 BOOLEAN Repaint;\r
1645 BOOLEAN SavedValue;\r
ce6d12cc 1646 BOOLEAN UpArrow;\r
1647 BOOLEAN DownArrow;\r
7936fb6a 1648 EFI_STATUS Status;\r
1649 EFI_INPUT_KEY Key;\r
1650 LIST_ENTRY *Link;\r
1651 LIST_ENTRY *NewPos;\r
1652 LIST_ENTRY *TopOfScreen;\r
1653 LIST_ENTRY *SavedListEntry;\r
1654 UI_MENU_OPTION *MenuOption;\r
1655 UI_MENU_OPTION *NextMenuOption;\r
1656 UI_MENU_OPTION *SavedMenuOption;\r
1657 UI_MENU_OPTION *PreviousMenuOption;\r
1658 UI_CONTROL_FLAG ControlFlag;\r
1659 EFI_SCREEN_DESCRIPTOR LocalScreen;\r
1660 MENU_REFRESH_ENTRY *MenuRefreshEntry;\r
1661 UI_SCREEN_OPERATION ScreenOperation;\r
1662 UINT8 MinRefreshInterval;\r
1663 UINTN BufferSize;\r
1664 UINT16 DefaultId;\r
1665 EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
1666 FORM_BROWSER_STATEMENT *Statement;\r
63d55bb9
LG		 1667 CHAR16 TemStr[2];\r
1668 UINT8 *DevicePathBuffer;\r
1669 UINT8 DigitUint8;\r
d66e6c16 1670 UI_MENU_LIST *CurrentMenu;\r
1671 UI_MENU_LIST *MenuList;\r
7936fb6a 1672\r
1673 CopyMem (&LocalScreen, &gScreenDimensions, sizeof (EFI_SCREEN_DESCRIPTOR));\r
1674\r
1675 Status = EFI_SUCCESS;\r
1676 FormattedString = NULL;\r
1677 OptionString = NULL;\r
1678 ScreenOperation = UiNoOperation;\r
1679 NewLine = TRUE;\r
1680 MinRefreshInterval = 0;\r
1681 DefaultId = 0;\r
1682\r
1683 OutputString = NULL;\r
ce6d12cc 1684 UpArrow = FALSE;\r
1685 DownArrow = FALSE;\r
7936fb6a 1686 SkipValue = 0;\r
1687 OldSkipValue = 0;\r
1688 MenuRefreshEntry = gMenuRefreshHead;\r
1689\r
1690 NextMenuOption = NULL;\r
1691 PreviousMenuOption = NULL;\r
1692 SavedMenuOption = NULL;\r
1693\r
1694 ZeroMem (&Key, sizeof (EFI_INPUT_KEY));\r
1695\r
0a1147ed 1696 if (gClassOfVfr == FORMSET_CLASS_FRONT_PAGE) {\r
7936fb6a 1697 TopRow = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1698 Row = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1699 } else {\r
1700 TopRow = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1701 Row = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1702 }\r
1703\r
1704 Col = LocalScreen.LeftColumn;\r
1705 BottomRow = LocalScreen.BottomRow - STATUS_BAR_HEIGHT - FOOTER_HEIGHT - SCROLL_ARROW_HEIGHT - 1;\r
1706\r
1707 Selection->TopRow = TopRow;\r
1708 Selection->BottomRow = BottomRow;\r
1709 Selection->PromptCol = Col;\r
1710 Selection->OptionCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;\r
1711 Selection->Statement = NULL;\r
1712\r
ce6d12cc 1713 TopOfScreen = gMenuOption.ForwardLink;\r
7936fb6a 1714 Repaint = TRUE;\r
1715 MenuOption = NULL;\r
1716\r
d66e6c16 1717 //\r
1718 // Find current Menu\r
1719 //\r
1720 CurrentMenu = UiFindMenuList (&Selection->FormSetGuid, Selection->FormId);\r
1721 if (CurrentMenu == NULL) {\r
1722 //\r
1723 // Current menu not found, add it to the menu tree\r
1724 //\r
1725 CurrentMenu = UiAddMenuList (NULL, &Selection->FormSetGuid, Selection->FormId);\r
1726 }\r
1727 ASSERT (CurrentMenu != NULL);\r
1728\r
1729 if (Selection->QuestionId == 0) {\r
1730 //\r
1731 // Highlight not specified, fetch it from cached menu\r
1732 //\r
1733 Selection->QuestionId = CurrentMenu->QuestionId;\r
1734 }\r
1735\r
7936fb6a 1736 //\r
1737 // Get user's selection\r
1738 //\r
ce6d12cc 1739 NewPos = gMenuOption.ForwardLink;\r
7936fb6a 1740\r
1741 gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r
1742 UpdateStatusBar (REFRESH_STATUS_BAR, (UINT8) 0, TRUE);\r
1743\r
1744 ControlFlag = CfInitialization;\r
1745 Selection->Action = UI_ACTION_NONE;\r
1746 while (TRUE) {\r
1747 switch (ControlFlag) {\r
1748 case CfInitialization:\r
ce6d12cc 1749 if (IsListEmpty (&gMenuOption)) {\r
7936fb6a 1750 ControlFlag = CfReadKey;\r
1751 } else {\r
1752 ControlFlag = CfCheckSelection;\r
1753 }\r
1754 break;\r
1755\r
1756 case CfCheckSelection:\r
1757 if (Selection->Action != UI_ACTION_NONE) {\r
1758 ControlFlag = CfExit;\r
1759 } else {\r
1760 ControlFlag = CfRepaint;\r
1761 }\r
1762 break;\r
1763\r
1764 case CfRepaint:\r
1765 ControlFlag = CfRefreshHighLight;\r
1766\r
1767 if (Repaint) {\r
1768 //\r
1769 // Display menu\r
1770 //\r
ce6d12cc 1771 DownArrow = FALSE;\r
1772 UpArrow = FALSE;\r
7936fb6a 1773 Row = TopRow;\r
1774\r
1775 Temp = SkipValue;\r
1776 Temp2 = SkipValue;\r
1777\r
1778 ClearLines (\r
1779 LocalScreen.LeftColumn,\r
1780 LocalScreen.RightColumn,\r
1781 TopRow - SCROLL_ARROW_HEIGHT,\r
1782 BottomRow + SCROLL_ARROW_HEIGHT,\r
1783 FIELD_TEXT | FIELD_BACKGROUND\r
1784 );\r
1785\r
1786 UiFreeRefreshList ();\r
1787 MinRefreshInterval = 0;\r
1788\r
ce6d12cc 1789 for (Link = TopOfScreen; Link != &gMenuOption; Link = Link->ForwardLink) {\r
7936fb6a 1790 MenuOption = MENU_OPTION_FROM_LINK (Link);\r
1791 MenuOption->Row = Row;\r
1792 MenuOption->Col = Col;\r
1793 MenuOption->OptCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;\r
1794\r
1795 Statement = MenuOption->ThisTag;\r
1796 if (Statement->InSubtitle) {\r
1797 MenuOption->Col += SUBTITLE_INDENT;\r
1798 }\r
1799\r
1800 if (MenuOption->GrayOut) {\r
1801 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);\r
1802 } else {\r
1803 if (Statement->Operand == EFI_IFR_SUBTITLE_OP) {\r
1804 gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND);\r
1805 }\r
1806 }\r
1807\r
1808 Width = GetWidth (Statement, MenuOption->Handle);\r
1809 OriginalRow = Row;\r
1810\r
1811 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
1812 if ((Temp == 0) && (Row <= BottomRow)) {\r
1813 PrintStringAt (MenuOption->Col, Row, OutputString);\r
1814 }\r
1815 //\r
1816 // If there is more string to process print on the next row and increment the Skip value\r
1817 //\r
d1a54e2c 1818 if (StrLen (&MenuOption->Description[Index]) != 0) {\r
7936fb6a 1819 if (Temp == 0) {\r
1820 Row++;\r
1821 }\r
1822 }\r
1823\r
f4113e1f 1824 FreePool (OutputString);\r
7936fb6a 1825 if (Temp != 0) {\r
1826 Temp--;\r
1827 }\r
1828 }\r
1829\r
1830 Temp = 0;\r
1831 Row = OriginalRow;\r
1832\r
1833 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
8d00a0f1 1834 Status = ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1835 if (EFI_ERROR (Status)) {\r
1836 //\r
1837 // Repaint to clear possible error prompt pop-up\r
1838 //\r
1839 Repaint = TRUE;\r
1840 NewLine = TRUE;\r
1841 ControlFlag = CfRepaint;\r
1842 break;\r
1843 }\r
7936fb6a 1844\r
1845 if (OptionString != NULL) {\r
1846 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
1847 //\r
1848 // If leading spaces on OptionString - remove the spaces\r
1849 //\r
1850 for (Index = 0; OptionString[Index] == L' '; Index++) {\r
1851 MenuOption->OptCol++;\r
1852 }\r
1853\r
1854 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
1855 OptionString[Count] = OptionString[Index];\r
1856 Count++;\r
1857 }\r
1858\r
1859 OptionString[Count] = CHAR_NULL;\r
1860 }\r
1861\r
1862 //\r
1863 // If Question request refresh, register the op-code\r
1864 //\r
1865 if (Statement->RefreshInterval != 0) {\r
1866 //\r
1867 // Menu will be refreshed at minimal interval of all Questions\r
1868 // which have refresh request\r
1869 //\r
1870 if (MinRefreshInterval == 0 || Statement->RefreshInterval < MinRefreshInterval) {\r
1871 MinRefreshInterval = Statement->RefreshInterval;\r
1872 }\r
1873\r
1874 if (gMenuRefreshHead == NULL) {\r
1875 MenuRefreshEntry = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));\r
1876 ASSERT (MenuRefreshEntry != NULL);\r
1877 MenuRefreshEntry->MenuOption = MenuOption;\r
1878 MenuRefreshEntry->Selection = Selection;\r
1879 MenuRefreshEntry->CurrentColumn = MenuOption->OptCol;\r
1880 MenuRefreshEntry->CurrentRow = MenuOption->Row;\r
1881 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
1882 gMenuRefreshHead = MenuRefreshEntry;\r
1883 } else {\r
1884 //\r
1885 // Advance to the last entry\r
1886 //\r
1887 for (MenuRefreshEntry = gMenuRefreshHead;\r
1888 MenuRefreshEntry->Next != NULL;\r
1889 MenuRefreshEntry = MenuRefreshEntry->Next\r
1890 )\r
1891 ;\r
1892 MenuRefreshEntry->Next = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));\r
1893 ASSERT (MenuRefreshEntry->Next != NULL);\r
1894 MenuRefreshEntry = MenuRefreshEntry->Next;\r
1895 MenuRefreshEntry->MenuOption = MenuOption;\r
1896 MenuRefreshEntry->Selection = Selection;\r
1897 MenuRefreshEntry->CurrentColumn = MenuOption->OptCol;\r
1898 MenuRefreshEntry->CurrentRow = MenuOption->Row;\r
1899 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
1900 }\r
1901 }\r
1902\r
1903 Width = (UINT16) gOptionBlockWidth;\r
1904 OriginalRow = Row;\r
1905\r
1906 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1907 if ((Temp2 == 0) && (Row <= BottomRow)) {\r
1908 PrintStringAt (MenuOption->OptCol, 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
d1a54e2c 1913 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 1914 if (Temp2 == 0) {\r
1915 Row++;\r
1916 //\r
1917 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1918 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1919 // some testing to ensure we are keeping this in-sync.\r
1920 //\r
1921 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1922 //\r
1923 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1924 MenuOption->Skip++;\r
1925 }\r
1926 }\r
1927 }\r
1928\r
f4113e1f 1929 FreePool (OutputString);\r
7936fb6a 1930 if (Temp2 != 0) {\r
1931 Temp2--;\r
1932 }\r
1933 }\r
1934\r
1935 Temp2 = 0;\r
1936 Row = OriginalRow;\r
1937\r
f4113e1f 1938 FreePool (OptionString);\r
7936fb6a 1939 }\r
1940 //\r
1941 // If this is a text op with secondary text information\r
1942 //\r
1943 if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) {\r
1944 StringPtr = GetToken (Statement->TextTwo, MenuOption->Handle);\r
1945\r
1946 Width = (UINT16) gOptionBlockWidth;\r
1947 OriginalRow = Row;\r
1948\r
1949 for (Index = 0; GetLineByWidth (StringPtr, Width, &Index, &OutputString) != 0x0000;) {\r
1950 if ((Temp == 0) && (Row <= BottomRow)) {\r
1951 PrintStringAt (MenuOption->OptCol, Row, OutputString);\r
1952 }\r
1953 //\r
1954 // If there is more string to process print on the next row and increment the Skip value\r
1955 //\r
d1a54e2c 1956 if (StrLen (&StringPtr[Index]) != 0) {\r
7936fb6a 1957 if (Temp2 == 0) {\r
1958 Row++;\r
1959 //\r
1960 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1961 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1962 // some testing to ensure we are keeping this in-sync.\r
1963 //\r
1964 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1965 //\r
1966 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1967 MenuOption->Skip++;\r
1968 }\r
1969 }\r
1970 }\r
1971\r
f4113e1f 1972 FreePool (OutputString);\r
7936fb6a 1973 if (Temp2 != 0) {\r
1974 Temp2--;\r
1975 }\r
1976 }\r
1977\r
1978 Row = OriginalRow;\r
f4113e1f 1979 FreePool (StringPtr);\r
7936fb6a 1980 }\r
1981\r
1982 //\r
1983 // Need to handle the bottom of the display\r
1984 //\r
1985 if (MenuOption->Skip > 1) {\r
1986 Row += MenuOption->Skip - SkipValue;\r
1987 SkipValue = 0;\r
1988 } else {\r
1989 Row += MenuOption->Skip;\r
1990 }\r
1991\r
1992 if (Row > BottomRow) {\r
1993 if (!ValueIsScroll (FALSE, Link)) {\r
ce6d12cc 1994 DownArrow = TRUE;\r
7936fb6a 1995 }\r
1996\r
1997 Row = BottomRow + 1;\r
1998 break;\r
1999 }\r
2000 }\r
2001\r
2002 if (!ValueIsScroll (TRUE, TopOfScreen)) {\r
ce6d12cc 2003 UpArrow = TRUE;\r
7936fb6a 2004 }\r
2005\r
ce6d12cc 2006 if (UpArrow) {\r
7936fb6a 2007 gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
2008 PrintAt (\r
2009 LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
2010 TopRow - SCROLL_ARROW_HEIGHT,\r
2011 L"%c",\r
2012 ARROW_UP\r
2013 );\r
2014 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2015 }\r
2016\r
ce6d12cc 2017 if (DownArrow) {\r
7936fb6a 2018 gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
2019 PrintAt (\r
2020 LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
2021 BottomRow + SCROLL_ARROW_HEIGHT,\r
2022 L"%c",\r
2023 ARROW_DOWN\r
2024 );\r
2025 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2026 }\r
2027\r
2028 MenuOption = NULL;\r
2029 }\r
2030 break;\r
2031\r
2032 case CfRefreshHighLight:\r
2033 //\r
2034 // MenuOption: Last menu option that need to remove hilight\r
2035 // MenuOption is set to NULL in Repaint\r
2036 // NewPos: Current menu option that need to hilight\r
2037 //\r
2038 ControlFlag = CfUpdateHelpString;\r
2039\r
2040 //\r
2041 // Repaint flag is normally reset when finish processing CfUpdateHelpString. Temporarily\r
2042 // reset Repaint flag because we may break halfway and skip CfUpdateHelpString processing.\r
2043 //\r
2044 SavedValue = Repaint;\r
2045 Repaint = FALSE;\r
2046\r
2047 if (Selection->QuestionId != 0) {\r
ce6d12cc 2048 NewPos = gMenuOption.ForwardLink;\r
7936fb6a 2049 SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2050\r
ce6d12cc 2051 while (SavedMenuOption->ThisTag->QuestionId != Selection->QuestionId && NewPos->ForwardLink != &gMenuOption) {\r
7936fb6a 2052 NewPos = NewPos->ForwardLink;\r
2053 SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2054 }\r
2055 if (SavedMenuOption->ThisTag->QuestionId == Selection->QuestionId) {\r
2056 //\r
2057 // Target Question found, find its MenuOption\r
2058 //\r
2059 Link = TopOfScreen;\r
2060\r
2061 for (Index = TopRow; Index <= BottomRow && Link != NewPos;) {\r
2062 SavedMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2063 Index += SavedMenuOption->Skip;\r
2064 Link = Link->ForwardLink;\r
2065 }\r
2066\r
2067 if (Link != NewPos || Index > BottomRow) {\r
2068 //\r
2069 // NewPos is not in the current page, simply scroll page so that NewPos is in the end of the page\r
2070 //\r
2071 Link = NewPos;\r
2072 for (Index = TopRow; Index <= BottomRow; ) {\r
2073 Link = Link->BackLink;\r
2074 SavedMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2075 Index += SavedMenuOption->Skip;\r
2076 }\r
2077 TopOfScreen = Link->ForwardLink;\r
2078\r
2079 Repaint = TRUE;\r
2080 NewLine = TRUE;\r
2081 ControlFlag = CfRepaint;\r
2082 break;\r
2083 }\r
2084 } else {\r
2085 //\r
2086 // Target Question not found, highlight the default menu option\r
2087 //\r
2088 NewPos = TopOfScreen;\r
2089 }\r
2090\r
2091 Selection->QuestionId = 0;\r
2092 }\r
2093\r
2094 if (NewPos != NULL && (MenuOption == NULL || NewPos != &MenuOption->Link)) {\r
2095 if (MenuOption != NULL) {\r
2096 //\r
2097 // Remove highlight on last Menu Option\r
2098 //\r
2099 gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
2100 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
2101 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2102 if (OptionString != NULL) {\r
2103 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) ||\r
2104 (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)\r
2105 ) {\r
2106 //\r
2107 // If leading spaces on OptionString - remove the spaces\r
2108 //\r
2109 for (Index = 0; OptionString[Index] == L' '; Index++)\r
2110 ;\r
2111\r
2112 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
2113 OptionString[Count] = OptionString[Index];\r
2114 Count++;\r
2115 }\r
2116\r
2117 OptionString[Count] = CHAR_NULL;\r
2118 }\r
2119\r
2120 Width = (UINT16) gOptionBlockWidth;\r
2121 OriginalRow = MenuOption->Row;\r
2122\r
2123 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
2124 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2125 PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
2126 }\r
2127 //\r
2128 // If there is more string to process print on the next row and increment the Skip value\r
2129 //\r
d1a54e2c 2130 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 2131 MenuOption->Row++;\r
2132 }\r
2133\r
f4113e1f 2134 FreePool (OutputString);\r
7936fb6a 2135 }\r
2136\r
2137 MenuOption->Row = OriginalRow;\r
2138\r
f4113e1f 2139 FreePool (OptionString);\r
7936fb6a 2140 } else {\r
2141 if (NewLine) {\r
2142 if (MenuOption->GrayOut) {\r
2143 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);\r
2144 } else if (MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) {\r
2145 gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND);\r
2146 }\r
2147\r
2148 OriginalRow = MenuOption->Row;\r
2149 Width = GetWidth (MenuOption->ThisTag, MenuOption->Handle);\r
2150\r
2151 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
2152 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2153 PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
2154 }\r
2155 //\r
2156 // If there is more string to process print on the next row and increment the Skip value\r
2157 //\r
d1a54e2c 2158 if (StrLen (&MenuOption->Description[Index]) != 0) {\r
7936fb6a 2159 MenuOption->Row++;\r
2160 }\r
2161\r
f4113e1f 2162 FreePool (OutputString);\r
7936fb6a 2163 }\r
2164\r
2165 MenuOption->Row = OriginalRow;\r
2166 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2167 }\r
2168 }\r
2169 }\r
2170\r
2171 //\r
2172 // This is only possible if we entered this page and the first menu option is\r
2173 // a "non-menu" item. In that case, force it UiDown\r
2174 //\r
2175 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2176 if (!IsSelectable (MenuOption)) {\r
2177 ASSERT (ScreenOperation == UiNoOperation);\r
2178 ScreenOperation = UiDown;\r
2179 ControlFlag = CfScreenOperation;\r
2180 break;\r
2181 }\r
2182\r
2183 //\r
2184 // This is the current selected statement\r
2185 //\r
2186 Statement = MenuOption->ThisTag;\r
2187 Selection->Statement = Statement;\r
d66e6c16 2188 //\r
2189 // Record highlight for current menu\r
2190 //\r
2191 CurrentMenu->QuestionId = Statement->QuestionId;\r
7936fb6a 2192\r
2193 //\r
2194 // Set reverse attribute\r
2195 //\r
2196 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT);\r
2197 gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
2198\r
2199 //\r
2200 // Assuming that we have a refresh linked-list created, lets annotate the\r
2201 // appropriate entry that we are highlighting with its new attribute. Just prior to this\r
2202 // lets reset all of the entries' attribute so we do not get multiple highlights in he refresh\r
2203 //\r
2204 if (gMenuRefreshHead != NULL) {\r
2205 for (MenuRefreshEntry = gMenuRefreshHead; MenuRefreshEntry != NULL; MenuRefreshEntry = MenuRefreshEntry->Next) {\r
2206 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
2207 if (MenuRefreshEntry->MenuOption == MenuOption) {\r
2208 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT;\r
2209 }\r
2210 }\r
2211 }\r
2212\r
2213 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
2214 if (OptionString != NULL) {\r
2215 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
2216 //\r
2217 // If leading spaces on OptionString - remove the spaces\r
2218 //\r
2219 for (Index = 0; OptionString[Index] == L' '; Index++)\r
2220 ;\r
2221\r
2222 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
2223 OptionString[Count] = OptionString[Index];\r
2224 Count++;\r
2225 }\r
2226\r
2227 OptionString[Count] = CHAR_NULL;\r
2228 }\r
2229 Width = (UINT16) gOptionBlockWidth;\r
2230\r
2231 OriginalRow = MenuOption->Row;\r
2232\r
2233 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
2234 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2235 PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
2236 }\r
2237 //\r
2238 // If there is more string to process print on the next row and increment the Skip value\r
2239 //\r
d1a54e2c 2240 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 2241 MenuOption->Row++;\r
2242 }\r
2243\r
f4113e1f 2244 FreePool (OutputString);\r
7936fb6a 2245 }\r
2246\r
2247 MenuOption->Row = OriginalRow;\r
2248\r
f4113e1f 2249 FreePool (OptionString);\r
7936fb6a 2250 } else {\r
2251 if (NewLine) {\r
2252 OriginalRow = MenuOption->Row;\r
2253\r
2254 Width = GetWidth (Statement, MenuOption->Handle);\r
2255\r
2256 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
2257 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2258 PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
2259 }\r
2260 //\r
2261 // If there is more string to process print on the next row and increment the Skip value\r
2262 //\r
d1a54e2c 2263 if (StrLen (&MenuOption->Description[Index]) != 0) {\r
7936fb6a 2264 MenuOption->Row++;\r
2265 }\r
2266\r
f4113e1f 2267 FreePool (OutputString);\r
7936fb6a 2268 }\r
2269\r
2270 MenuOption->Row = OriginalRow;\r
2271\r
2272 }\r
2273 }\r
2274\r
8b0fc5c1 2275 UpdateKeyHelp (Selection, MenuOption, FALSE);\r
8d00a0f1 2276\r
7936fb6a 2277 //\r
2278 // Clear reverse attribute\r
2279 //\r
2280 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2281 }\r
2282 //\r
2283 // Repaint flag will be used when process CfUpdateHelpString, so restore its value\r
2284 // if we didn't break halfway when process CfRefreshHighLight.\r
2285 //\r
2286 Repaint = SavedValue;\r
2287 break;\r
2288\r
2289 case CfUpdateHelpString:\r
2290 ControlFlag = CfPrepareToReadKey;\r
2291\r
0a1147ed 2292 if (Repaint || NewLine) {\r
7936fb6a 2293 //\r
2294 // Don't print anything if it is a NULL help token\r
2295 //\r
2296 if (MenuOption->ThisTag->Help == 0) {\r
2297 StringPtr = L"\0";\r
2298 } else {\r
2299 StringPtr = GetToken (MenuOption->ThisTag->Help, MenuOption->Handle);\r
2300 }\r
2301\r
2302 ProcessHelpString (StringPtr, &FormattedString, BottomRow - TopRow);\r
2303\r
2304 gST->ConOut->SetAttribute (gST->ConOut, HELP_TEXT | FIELD_BACKGROUND);\r
2305\r
2306 for (Index = 0; Index < BottomRow - TopRow; Index++) {\r
2307 //\r
2308 // Pad String with spaces to simulate a clearing of the previous line\r
2309 //\r
2310 for (; GetStringWidth (&FormattedString[Index * gHelpBlockWidth * 2]) / 2 < gHelpBlockWidth;) {\r
2311 StrCat (&FormattedString[Index * gHelpBlockWidth * 2], L" ");\r
2312 }\r
2313\r
2314 PrintStringAt (\r
2315 LocalScreen.RightColumn - gHelpBlockWidth,\r
2316 Index + TopRow,\r
2317 &FormattedString[Index * gHelpBlockWidth * 2]\r
2318 );\r
2319 }\r
2320 }\r
2321 //\r
2322 // Reset this flag every time we finish using it.\r
2323 //\r
2324 Repaint = FALSE;\r
2325 NewLine = FALSE;\r
2326 break;\r
2327\r
2328 case CfPrepareToReadKey:\r
2329 ControlFlag = CfReadKey;\r
2330 ScreenOperation = UiNoOperation;\r
2331 break;\r
2332\r
2333 case CfReadKey:\r
2334 ControlFlag = CfScreenOperation;\r
2335\r
2336 //\r
2337 // Wait for user's selection\r
2338 //\r
2339 do {\r
2340 Status = UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, MinRefreshInterval);\r
2341 } while (Status == EFI_TIMEOUT);\r
2342\r
8d00a0f1 2343 if (Selection->Action == UI_ACTION_REFRESH_FORMSET) {\r
7936fb6a 2344 //\r
8d00a0f1 2345 // IFR is updated in Callback of refresh opcode, re-parse it\r
7936fb6a 2346 //\r
8d00a0f1 2347 Selection->Statement = NULL;\r
d66e6c16 2348 return EFI_SUCCESS;\r
8d00a0f1 2349 }\r
2350\r
2351 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
2352 //\r
d66e6c16 2353 // If we encounter error, continue to read another key in.\r
8d00a0f1 2354 //\r
2355 if (EFI_ERROR (Status)) {\r
2356 ControlFlag = CfReadKey;\r
2357 break;\r
7936fb6a 2358 }\r
2359\r
7936fb6a 2360 switch (Key.UnicodeChar) {\r
2361 case CHAR_CARRIAGE_RETURN:\r
2362 ScreenOperation = UiSelect;\r
2363 gDirection = 0;\r
2364 break;\r
2365\r
2366 //\r
2367 // We will push the adjustment of these numeric values directly to the input handler\r
2368 // NOTE: we won't handle manual input numeric\r
2369 //\r
2370 case '+':\r
2371 case '-':\r
2372 Statement = MenuOption->ThisTag;\r
2373 if ((Statement->Operand == EFI_IFR_DATE_OP)\r
2374 || (Statement->Operand == EFI_IFR_TIME_OP)\r
2375 || ((Statement->Operand == EFI_IFR_NUMERIC_OP) && (Statement->Step != 0))\r
2376 ){\r
2377 if (Key.UnicodeChar == '+') {\r
2378 gDirection = SCAN_RIGHT;\r
2379 } else {\r
2380 gDirection = SCAN_LEFT;\r
2381 }\r
2382 Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);\r
8d00a0f1 2383 if (EFI_ERROR (Status)) {\r
2384 //\r
2385 // Repaint to clear possible error prompt pop-up\r
2386 //\r
2387 Repaint = TRUE;\r
2388 NewLine = TRUE;\r
2389 }\r
676df92c 2390 if (OptionString != NULL) {\r
2391 FreePool (OptionString);\r
2392 }\r
7936fb6a 2393 }\r
2394 break;\r
2395\r
2396 case '^':\r
2397 ScreenOperation = UiUp;\r
2398 break;\r
2399\r
2400 case 'V':\r
2401 case 'v':\r
2402 ScreenOperation = UiDown;\r
2403 break;\r
2404\r
2405 case ' ':\r
0a1147ed 2406 if (gClassOfVfr != FORMSET_CLASS_FRONT_PAGE) {\r
7936fb6a 2407 if (MenuOption->ThisTag->Operand == EFI_IFR_CHECKBOX_OP && !MenuOption->GrayOut) {\r
2408 ScreenOperation = UiSelect;\r
2409 }\r
2410 }\r
2411 break;\r
2412\r
2413 case CHAR_NULL:\r
8b0fc5c1 2414 if (((Key.ScanCode == SCAN_F9) && ((gFunctionKeySetting & FUNCTION_NINE) != FUNCTION_NINE)) ||\r
7936fb6a 2415 ((Key.ScanCode == SCAN_F10) && ((gFunctionKeySetting & FUNCTION_TEN) != FUNCTION_TEN))\r
2416 ) {\r
2417 //\r
2418 // If the function key has been disabled, just ignore the key.\r
2419 //\r
2420 } else {\r
2421 for (Index = 0; Index < sizeof (gScanCodeToOperation) / sizeof (gScanCodeToOperation[0]); Index++) {\r
2422 if (Key.ScanCode == gScanCodeToOperation[Index].ScanCode) {\r
2423 if (Key.ScanCode == SCAN_F9) {\r
2424 //\r
2425 // Reset to standard default\r
2426 //\r
2427 DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;\r
2428 }\r
2429 ScreenOperation = gScanCodeToOperation[Index].ScreenOperation;\r
2430 break;\r
2431 }\r
2432 }\r
2433 }\r
2434 break;\r
2435 }\r
2436 break;\r
2437\r
2438 case CfScreenOperation:\r
d66e6c16 2439 if (ScreenOperation != UiReset) {\r
7936fb6a 2440 //\r
d66e6c16 2441 // If the screen has no menu items, and the user didn't select UiReset\r
7936fb6a 2442 // ignore the selection and go back to reading keys.\r
2443 //\r
ce6d12cc 2444 if (IsListEmpty (&gMenuOption)) {\r
7936fb6a 2445 ControlFlag = CfReadKey;\r
2446 break;\r
2447 }\r
2448 //\r
2449 // if there is nothing logical to place a cursor on, just move on to wait for a key.\r
2450 //\r
ce6d12cc 2451 for (Link = gMenuOption.ForwardLink; Link != &gMenuOption; Link = Link->ForwardLink) {\r
7936fb6a 2452 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2453 if (IsSelectable (NextMenuOption)) {\r
2454 break;\r
2455 }\r
2456 }\r
2457\r
ce6d12cc 2458 if (Link == &gMenuOption) {\r
7936fb6a 2459 ControlFlag = CfPrepareToReadKey;\r
2460 break;\r
2461 }\r
7936fb6a 2462 }\r
2463\r
2464 for (Index = 0;\r
2465 Index < sizeof (gScreenOperationToControlFlag) / sizeof (gScreenOperationToControlFlag[0]);\r
2466 Index++\r
2467 ) {\r
2468 if (ScreenOperation == gScreenOperationToControlFlag[Index].ScreenOperation) {\r
2469 ControlFlag = gScreenOperationToControlFlag[Index].ControlFlag;\r
2470 break;\r
2471 }\r
2472 }\r
2473 break;\r
2474\r
7936fb6a 2475 case CfUiSelect:\r
2476 ControlFlag = CfCheckSelection;\r
2477\r
2478 Statement = MenuOption->ThisTag;\r
2479 if ((Statement->Operand == EFI_IFR_TEXT_OP) ||\r
2480 (Statement->Operand == EFI_IFR_DATE_OP) ||\r
2481 (Statement->Operand == EFI_IFR_TIME_OP) ||\r
2482 (Statement->Operand == EFI_IFR_NUMERIC_OP && Statement->Step != 0)) {\r
2483 break;\r
2484 }\r
2485\r
2486 //\r
2487 // Keep highlight on current MenuOption\r
2488 //\r
2489 Selection->QuestionId = Statement->QuestionId;\r
2490\r
2491 switch (Statement->Operand) {\r
2492 case EFI_IFR_REF_OP:\r
2493 if (Statement->RefDevicePath != 0) {\r
2494 //\r
2495 // Goto another Hii Package list\r
2496 //\r
d66e6c16 2497 ControlFlag = CfCheckSelection;\r
7936fb6a 2498 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2499\r
2500 StringPtr = GetToken (Statement->RefDevicePath, Selection->FormSet->HiiHandle);\r
2501 if (StringPtr == NULL) {\r
2502 //\r
2503 // No device path string not found, exit\r
2504 //\r
2505 Selection->Action = UI_ACTION_EXIT;\r
2506 Selection->Statement = NULL;\r
2507 break;\r
2508 }\r
2509 BufferSize = StrLen (StringPtr) / 2;\r
2510 DevicePath = AllocatePool (BufferSize);\r
d66e6c16 2511\r
63d55bb9
LG		 2512 //\r
2513 // Convert from Device Path String to DevicePath Buffer in the reverse order.\r
2514 //\r
2515 DevicePathBuffer = (UINT8 *) DevicePath;\r
2516 for (Index = 0; StringPtr[Index] != L'\0'; Index ++) {\r
2517 TemStr[0] = StringPtr[Index];\r
2518 DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
2519 if (DigitUint8 == 0 && TemStr[0] != L'0') {\r
2520 //\r
2521 // Invalid Hex Char as the tail.\r
2522 //\r
2523 break;\r
2524 }\r
2525 if ((Index & 1) == 0) {\r
2526 DevicePathBuffer [Index/2] = DigitUint8;\r
2527 } else {\r
2528 DevicePathBuffer [Index/2] = (UINT8) ((DevicePathBuffer [Index/2] << 4) + DigitUint8);\r
2529 }\r
2530 }\r
7936fb6a 2531\r
cb7d01c0 2532 Selection->Handle = DevicePathToHiiHandle (DevicePath);\r
7936fb6a 2533 if (Selection->Handle == NULL) {\r
2534 //\r
2535 // If target Hii Handle not found, exit\r
2536 //\r
2537 Selection->Action = UI_ACTION_EXIT;\r
2538 Selection->Statement = NULL;\r
2539 break;\r
2540 }\r
2541\r
f4113e1f 2542 FreePool (StringPtr);\r
2543 FreePool (DevicePath);\r
7936fb6a 2544\r
2545 CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID));\r
2546 Selection->FormId = Statement->RefFormId;\r
2547 Selection->QuestionId = Statement->RefQuestionId;\r
2548 } else if (!CompareGuid (&Statement->RefFormSetId, &gZeroGuid)) {\r
2549 //\r
2550 // Goto another Formset, check for uncommitted data\r
2551 //\r
d66e6c16 2552 ControlFlag = CfCheckSelection;\r
7936fb6a 2553 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2554\r
2555 CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID));\r
2556 Selection->FormId = Statement->RefFormId;\r
2557 Selection->QuestionId = Statement->RefQuestionId;\r
2558 } else if (Statement->RefFormId != 0) {\r
2559 //\r
2560 // Goto another form inside this formset,\r
2561 //\r
2562 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2563\r
2564 //\r
d66e6c16 2565 // Link current form so that we can always go back when someone hits the ESC\r
7936fb6a 2566 //\r
d66e6c16 2567 MenuList = UiFindMenuList (&Selection->FormSetGuid, Statement->RefFormId);\r
2568 if (MenuList == NULL) {\r
2569 MenuList = UiAddMenuList (CurrentMenu, &Selection->FormSetGuid, Statement->RefFormId);\r
2570 }\r
7936fb6a 2571\r
2572 Selection->FormId = Statement->RefFormId;\r
2573 Selection->QuestionId = Statement->RefQuestionId;\r
2574 } else if (Statement->RefQuestionId != 0) {\r
2575 //\r
2576 // Goto another Question\r
2577 //\r
2578 Selection->QuestionId = Statement->RefQuestionId;\r
2579\r
2580 if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {\r
2581 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2582 } else {\r
2583 Repaint = TRUE;\r
2584 NewLine = TRUE;\r
2585 break;\r
2586 }\r
2587 }\r
2588 break;\r
2589\r
2590 case EFI_IFR_ACTION_OP:\r
2591 //\r
2592 // Process the Config string <ConfigResp>\r
2593 //\r
2594 Status = ProcessQuestionConfig (Selection, Statement);\r
2595\r
2596 if (EFI_ERROR (Status)) {\r
2597 break;\r
2598 }\r
2599\r
2600 //\r
2601 // The action button may change some Question value, so refresh the form\r
2602 //\r
2603 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2604 break;\r
2605\r
2606 case EFI_IFR_RESET_BUTTON_OP:\r
2607 //\r
2608 // Reset Question to default value specified by DefaultId\r
2609 //\r
2610 ControlFlag = CfUiDefault;\r
2611 DefaultId = Statement->DefaultId;\r
2612 break;\r
2613\r
2614 default:\r
2615 //\r
2616 // Editable Questions: oneof, ordered list, checkbox, numeric, string, password\r
2617 //\r
8b0fc5c1 2618 UpdateKeyHelp (Selection, MenuOption, TRUE);\r
7936fb6a 2619 Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);\r
2620\r
2621 if (EFI_ERROR (Status)) {\r
2622 Repaint = TRUE;\r
2623 NewLine = TRUE;\r
8b0fc5c1 2624 UpdateKeyHelp (Selection, MenuOption, FALSE);\r
2625 } else {\r
2626 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2627 }\r
7936fb6a 2628\r
8d00a0f1 2629 if (OptionString != NULL) {\r
2630 FreePool (OptionString);\r
2631 }\r
7936fb6a 2632 break;\r
2633 }\r
2634 break;\r
2635\r
2636 case CfUiReset:\r
2637 //\r
d66e6c16 2638 // We come here when someone press ESC\r
7936fb6a 2639 //\r
2640 ControlFlag = CfCheckSelection;\r
2641\r
d66e6c16 2642 if (CurrentMenu->Parent != NULL) {\r
2643 //\r
2644 // we have a parent, so go to the parent menu\r
2645 //\r
2646 if (CompareGuid (&CurrentMenu->FormSetGuid, &CurrentMenu->Parent->FormSetGuid)) {\r
2647 //\r
2648 // The parent menu and current menu are in the same formset\r
2649 //\r
2650 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2651 } else {\r
2652 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2653 }\r
2654 Selection->Statement = NULL;\r
2655\r
2656 Selection->FormId = CurrentMenu->Parent->FormId;\r
2657 Selection->QuestionId = CurrentMenu->Parent->QuestionId;\r
2658\r
2659 //\r
2660 // Clear highlight record for this menu\r
2661 //\r
2662 CurrentMenu->QuestionId = 0;\r
2663 break;\r
2664 }\r
2665\r
0a1147ed 2666 if (gClassOfVfr == FORMSET_CLASS_FRONT_PAGE) {\r
7936fb6a 2667 //\r
d66e6c16 2668 // We never exit FrontPage, so skip the ESC\r
7936fb6a 2669 //\r
2670 Selection->Action = UI_ACTION_NONE;\r
7936fb6a 2671 break;\r
2672 }\r
2673\r
2674 //\r
d66e6c16 2675 // We are going to leave current FormSet, so check uncommited data in this FormSet\r
7936fb6a 2676 //\r
2677 if (gNvUpdateRequired) {\r
2678 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
2679\r
2680 YesResponse = gYesResponse[0];\r
2681 NoResponse = gNoResponse[0];\r
2682\r
d66e6c16 2683 //\r
2684 // If NV flag is up, prompt user\r
2685 //\r
7936fb6a 2686 do {\r
d66e6c16 2687 CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gSaveChanges, gAreYouSure, gEmptyString);\r
7936fb6a 2688 } while\r
2689 (\r
2690 (Key.ScanCode != SCAN_ESC) &&\r
2691 ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (NoResponse | UPPER_LOWER_CASE_OFFSET)) &&\r
2692 ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (YesResponse | UPPER_LOWER_CASE_OFFSET))\r
2693 );\r
2694\r
d66e6c16 2695 if (Key.ScanCode == SCAN_ESC) {\r
2696 //\r
2697 // User hits the ESC key\r
2698 //\r
7936fb6a 2699 Repaint = TRUE;\r
2700 NewLine = TRUE;\r
2701\r
2702 Selection->Action = UI_ACTION_NONE;\r
2703 break;\r
2704 }\r
d66e6c16 2705\r
2706 //\r
2707 // If the user hits the YesResponse key\r
2708 //\r
2709 if ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (YesResponse | UPPER_LOWER_CASE_OFFSET)) {\r
2710 Status = SubmitForm (Selection->FormSet, Selection->Form);\r
2711 }\r
7936fb6a 2712 }\r
2713\r
d66e6c16 2714 Selection->Action = UI_ACTION_EXIT;\r
2715 Selection->Statement = NULL;\r
2716 CurrentMenu->QuestionId = 0;\r
7936fb6a 2717\r
7936fb6a 2718 return EFI_SUCCESS;\r
2719\r
2720 case CfUiLeft:\r
2721 ControlFlag = CfCheckSelection;\r
2722 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
2723 if (MenuOption->Sequence != 0) {\r
2724 //\r
2725 // In the middle or tail of the Date/Time op-code set, go left.\r
2726 //\r
2727 NewPos = NewPos->BackLink;\r
2728 }\r
2729 }\r
2730 break;\r
2731\r
2732 case CfUiRight:\r
2733 ControlFlag = CfCheckSelection;\r
2734 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
2735 if (MenuOption->Sequence != 2) {\r
2736 //\r
2737 // In the middle or tail of the Date/Time op-code set, go left.\r
2738 //\r
2739 NewPos = NewPos->ForwardLink;\r
2740 }\r
2741 }\r
2742 break;\r
2743\r
2744 case CfUiUp:\r
2745 ControlFlag = CfCheckSelection;\r
2746\r
2747 SavedListEntry = TopOfScreen;\r
2748\r
ce6d12cc 2749 if (NewPos->BackLink != &gMenuOption) {\r
7936fb6a 2750 NewLine = TRUE;\r
2751 //\r
2752 // Adjust Date/Time position before we advance forward.\r
2753 //\r
2754 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2755\r
2756 //\r
2757 // Caution that we have already rewind to the top, don't go backward in this situation.\r
2758 //\r
ce6d12cc 2759 if (NewPos->BackLink != &gMenuOption) {\r
7936fb6a 2760 NewPos = NewPos->BackLink;\r
2761 }\r
2762\r
2763 PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2764 DistanceValue = PreviousMenuOption->Skip;\r
2765\r
2766 //\r
2767 // Since the behavior of hitting the up arrow on a Date/Time op-code is intended\r
2768 // to be one that back to the previous set of op-codes, we need to advance to the sencond\r
2769 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate\r
2770 // checking can be done.\r
2771 //\r
2772 DistanceValue += AdjustDateAndTimePosition (TRUE, &NewPos);\r
2773\r
2774 //\r
2775 // Check the previous menu entry to see if it was a zero-length advance. If it was,\r
2776 // don't worry about a redraw.\r
2777 //\r
2778 if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) {\r
2779 Repaint = TRUE;\r
2780 TopOfScreen = NewPos;\r
2781 }\r
2782\r
d66e6c16 2783 Difference = MoveToNextStatement (TRUE, &NewPos);\r
e3eb7467 2784 PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2785 DistanceValue += PreviousMenuOption->Skip;\r
d66e6c16 2786\r
2787 if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) {\r
7936fb6a 2788 if (Difference > 0) {\r
2789 //\r
2790 // Previous focus MenuOption is above the TopOfScreen, so we need to scroll\r
2791 //\r
2792 TopOfScreen = NewPos;\r
2793 Repaint = TRUE;\r
d66e6c16 2794 SkipValue = 0;\r
2795 OldSkipValue = 0;\r
7936fb6a 2796 }\r
2797 }\r
2798 if (Difference < 0) {\r
2799 //\r
2800 // We want to goto previous MenuOption, but finally we go down.\r
2801 // it means that we hit the begining MenuOption that can be focused\r
2802 // so we simply scroll to the top\r
2803 //\r
ce6d12cc 2804 if (SavedListEntry != gMenuOption.ForwardLink) {\r
2805 TopOfScreen = gMenuOption.ForwardLink;\r
7936fb6a 2806 Repaint = TRUE;\r
2807 }\r
2808 }\r
2809\r
2810 //\r
2811 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2812 //\r
2813 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2814\r
2815 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2816 } else {\r
2817 SavedMenuOption = MenuOption;\r
2818 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2819 if (!IsSelectable (MenuOption)) {\r
2820 //\r
2821 // If we are at the end of the list and sitting on a text op, we need to more forward\r
2822 //\r
2823 ScreenOperation = UiDown;\r
2824 ControlFlag = CfScreenOperation;\r
2825 break;\r
2826 }\r
2827\r
2828 MenuOption = SavedMenuOption;\r
2829 }\r
2830 break;\r
2831\r
2832 case CfUiPageUp:\r
2833 ControlFlag = CfCheckSelection;\r
2834\r
ce6d12cc 2835 if (NewPos->BackLink == &gMenuOption) {\r
7936fb6a 2836 NewLine = FALSE;\r
2837 Repaint = FALSE;\r
2838 break;\r
2839 }\r
2840\r
2841 NewLine = TRUE;\r
2842 Repaint = TRUE;\r
2843 Link = TopOfScreen;\r
2844 PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2845 Index = BottomRow;\r
ce6d12cc 2846 while ((Index >= TopRow) && (Link->BackLink != &gMenuOption)) {\r
7936fb6a 2847 Index = Index - PreviousMenuOption->Skip;\r
2848 Link = Link->BackLink;\r
2849 PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2850 }\r
2851\r
2852 TopOfScreen = Link;\r
2853 Difference = MoveToNextStatement (TRUE, &Link);\r
2854 if (Difference > 0) {\r
2855 //\r
2856 // The focus MenuOption is above the TopOfScreen\r
2857 //\r
2858 TopOfScreen = Link;\r
2859 } else if (Difference < 0) {\r
2860 //\r
2861 // This happens when there is no MenuOption can be focused from\r
2862 // Current MenuOption to the first MenuOption\r
2863 //\r
ce6d12cc 2864 TopOfScreen = gMenuOption.ForwardLink;\r
7936fb6a 2865 }\r
2866 Index += Difference;\r
2867 if (Index < TopRow) {\r
2868 MenuOption = NULL;\r
2869 }\r
2870\r
2871 if (NewPos == Link) {\r
2872 Repaint = FALSE;\r
2873 NewLine = FALSE;\r
2874 } else {\r
2875 NewPos = Link;\r
2876 }\r
2877\r
2878 //\r
2879 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2880 // Don't do this when we are already in the first page.\r
2881 //\r
2882 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2883 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2884 break;\r
2885\r
2886 case CfUiPageDown:\r
2887 ControlFlag = CfCheckSelection;\r
2888\r
ce6d12cc 2889 if (NewPos->ForwardLink == &gMenuOption) {\r
7936fb6a 2890 NewLine = FALSE;\r
2891 Repaint = FALSE;\r
2892 break;\r
2893 }\r
2894\r
2895 NewLine = TRUE;\r
2896 Repaint = TRUE;\r
2897 Link = TopOfScreen;\r
2898 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2899 Index = TopRow;\r
ce6d12cc 2900 while ((Index <= BottomRow) && (Link->ForwardLink != &gMenuOption)) {\r
7936fb6a 2901 Index = Index + NextMenuOption->Skip;\r
2902 Link = Link->ForwardLink;\r
2903 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2904 }\r
2905\r
2906 Index += MoveToNextStatement (FALSE, &Link);\r
2907 if (Index > BottomRow) {\r
2908 //\r
2909 // There are more MenuOption needing scrolling\r
2910 //\r
2911 TopOfScreen = Link;\r
2912 MenuOption = NULL;\r
2913 }\r
2914 if (NewPos == Link && Index <= BottomRow) {\r
2915 //\r
2916 // Finally we know that NewPos is the last MenuOption can be focused.\r
2917 //\r
2918 NewLine = FALSE;\r
2919 Repaint = FALSE;\r
2920 } else {\r
2921 NewPos = Link;\r
2922 }\r
2923\r
2924 //\r
2925 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2926 // Don't do this when we are already in the last page.\r
2927 //\r
2928 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2929 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2930 break;\r
2931\r
2932 case CfUiDown:\r
2933 ControlFlag = CfCheckSelection;\r
2934 //\r
2935 // Since the behavior of hitting the down arrow on a Date/Time op-code is intended\r
2936 // to be one that progresses to the next set of op-codes, we need to advance to the last\r
2937 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate\r
2938 // checking can be done. The only other logic we need to introduce is that if a Date/Time\r
2939 // op-code is the last entry in the menu, we need to rewind back to the first op-code of\r
2940 // the Date/Time op-code.\r
2941 //\r
2942 SavedListEntry = NewPos;\r
2943 DistanceValue = AdjustDateAndTimePosition (FALSE, &NewPos);\r
2944\r
ce6d12cc 2945 if (NewPos->ForwardLink != &gMenuOption) {\r
7936fb6a 2946 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2947 NewLine = TRUE;\r
2948 NewPos = NewPos->ForwardLink;\r
2949 NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2950\r
2951 DistanceValue += NextMenuOption->Skip;\r
2952 DistanceValue += MoveToNextStatement (FALSE, &NewPos);\r
2953 //\r
2954 // An option might be multi-line, so we need to reflect that data in the overall skip value\r
2955 //\r
2956 UpdateOptionSkipLines (Selection, NextMenuOption, &OptionString, SkipValue);\r
2957\r
2958 Temp = MenuOption->Row + MenuOption->Skip + DistanceValue - 1;\r
2959 if ((MenuOption->Row + MenuOption->Skip == BottomRow + 1) &&\r
2960 (NextMenuOption->ThisTag->Operand == EFI_IFR_DATE_OP ||\r
2961 NextMenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)\r
2962 ) {\r
2963 Temp ++;\r
2964 }\r
2965\r
2966 //\r
2967 // If we are going to scroll, update TopOfScreen\r
2968 //\r
2969 if (Temp > BottomRow) {\r
2970 do {\r
2971 //\r
2972 // Is the current top of screen a zero-advance op-code?\r
2973 // If so, keep moving forward till we hit a >0 advance op-code\r
2974 //\r
2975 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2976\r
2977 //\r
2978 // If bottom op-code is more than one line or top op-code is more than one line\r
2979 //\r
2980 if ((DistanceValue > 1) || (MenuOption->Skip > 1)) {\r
2981 //\r
2982 // Is the bottom op-code greater than or equal in size to the top op-code?\r
2983 //\r
2984 if ((Temp - BottomRow) >= (SavedMenuOption->Skip - OldSkipValue)) {\r
2985 //\r
2986 // Skip the top op-code\r
2987 //\r
2988 TopOfScreen = TopOfScreen->ForwardLink;\r
2989 Difference = (Temp - BottomRow) - (SavedMenuOption->Skip - OldSkipValue);\r
2990\r
2991 OldSkipValue = Difference;\r
2992\r
2993 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2994\r
2995 //\r
2996 // If we have a remainder, skip that many more op-codes until we drain the remainder\r
2997 //\r
2998 for (;\r
2999 Difference >= (INTN) SavedMenuOption->Skip;\r
3000 Difference = Difference - (INTN) SavedMenuOption->Skip\r
3001 ) {\r
3002 //\r
3003 // Since the Difference is greater than or equal to this op-code's skip value, skip it\r
3004 //\r
3005 TopOfScreen = TopOfScreen->ForwardLink;\r
3006 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
3007 if (Difference < (INTN) SavedMenuOption->Skip) {\r
3008 Difference = SavedMenuOption->Skip - Difference - 1;\r
3009 break;\r
3010 } else {\r
3011 if (Difference == (INTN) SavedMenuOption->Skip) {\r
3012 TopOfScreen = TopOfScreen->ForwardLink;\r
3013 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
3014 Difference = SavedMenuOption->Skip - Difference;\r
3015 break;\r
3016 }\r
3017 }\r
3018 }\r
3019 //\r
3020 // Since we will act on this op-code in the next routine, and increment the\r
3021 // SkipValue, set the skips to one less than what is required.\r
3022 //\r
3023 SkipValue = Difference - 1;\r
3024\r
3025 } else {\r
3026 //\r
3027 // Since we will act on this op-code in the next routine, and increment the\r
3028 // SkipValue, set the skips to one less than what is required.\r
3029 //\r
3030 SkipValue = OldSkipValue + (Temp - BottomRow) - 1;\r
3031 }\r
3032 } else {\r
3033 if ((OldSkipValue + 1) == (INTN) SavedMenuOption->Skip) {\r
3034 TopOfScreen = TopOfScreen->ForwardLink;\r
3035 break;\r
3036 } else {\r
3037 SkipValue = OldSkipValue;\r
3038 }\r
3039 }\r
3040 //\r
3041 // If the op-code at the top of the screen is more than one line, let's not skip it yet\r
3042 // Let's set a skip flag to smoothly scroll the top of the screen.\r
3043 //\r
3044 if (SavedMenuOption->Skip > 1) {\r
3045 if (SavedMenuOption == NextMenuOption) {\r
3046 SkipValue = 0;\r
3047 } else {\r
3048 SkipValue++;\r
3049 }\r
3050 } else {\r
3051 SkipValue = 0;\r
3052 TopOfScreen = TopOfScreen->ForwardLink;\r
3053 }\r
3054 } while (SavedMenuOption->Skip == 0);\r
3055\r
3056 Repaint = TRUE;\r
3057 OldSkipValue = SkipValue;\r
3058 }\r
3059\r
3060 MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
3061\r
3062 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
3063\r
3064 } else {\r
3065 SavedMenuOption = MenuOption;\r
3066 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
3067 if (!IsSelectable (MenuOption)) {\r
3068 //\r
3069 // If we are at the end of the list and sitting on a text op, we need to more forward\r
3070 //\r
3071 ScreenOperation = UiUp;\r
3072 ControlFlag = CfScreenOperation;\r
3073 break;\r
3074 }\r
3075\r
3076 MenuOption = SavedMenuOption;\r
3077 //\r
3078 // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.\r
3079 //\r
3080 AdjustDateAndTimePosition (TRUE, &NewPos);\r
3081 }\r
3082 break;\r
3083\r
3084 case CfUiSave:\r
3085 ControlFlag = CfCheckSelection;\r
3086\r
3087 //\r
3088 // Submit the form\r
3089 //\r
3090 Status = SubmitForm (Selection->FormSet, Selection->Form);\r
3091\r
3092 if (!EFI_ERROR (Status)) {\r
3093 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
3094 UpdateStatusBar (NV_UPDATE_REQUIRED, MenuOption->ThisTag->QuestionFlags, FALSE);\r
3095 } else {\r
3096 do {\r
3097 CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gSaveFailed, gPressEnter, gEmptyString);\r
3098 } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r
3099\r
3100 Repaint = TRUE;\r
3101 NewLine = TRUE;\r
3102 }\r
3103 break;\r
3104\r
3105 case CfUiDefault:\r
3106 ControlFlag = CfCheckSelection;\r
8b0fc5c1 3107 if (!Selection->FormEditable) {\r
3108 //\r
3109 // This Form is not editable, ignore the F9 (reset to default)\r
3110 //\r
3111 break;\r
3112 }\r
7936fb6a 3113\r
3114 Status = ExtractFormDefault (Selection->FormSet, Selection->Form, DefaultId);\r
3115\r
3116 if (!EFI_ERROR (Status)) {\r
3117 Selection->Action = UI_ACTION_REFRESH_FORM;\r
ebe43565 3118 Selection->Statement = NULL;\r
7936fb6a 3119\r
3120 //\r
3121 // Show NV update flag on status bar\r
3122 //\r
3123 gNvUpdateRequired = TRUE;\r
3124 }\r
3125 break;\r
3126\r
3127 case CfUiNoOperation:\r
3128 ControlFlag = CfCheckSelection;\r
3129 break;\r
3130\r
3131 case CfExit:\r
3132 UiFreeRefreshList ();\r
3133\r
3134 gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r
3135 gST->ConOut->SetCursorPosition (gST->ConOut, 0, Row + 4);\r
3136 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
3137 gST->ConOut->OutputString (gST->ConOut, L"\n");\r
3138\r
3139 return EFI_SUCCESS;\r
3140\r
3141 default:\r
3142 break;\r
3143 }\r
3144 }\r
3145}\r
EFI Development Kit II mirror for PVE