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1. Code clean up: add IN/OUT modifier for parameters.
[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
18LIST_ENTRY Menu;\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
148 InitializeListHead (&Menu);\r
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
163 while (!IsListEmpty (&Menu)) {\r
164 MenuOption = MENU_OPTION_FROM_LINK (Menu.ForwardLink);\r
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
648 InsertTailList (&Menu, &MenuOption->Link);\r
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
1356 if (Temp == &Menu) {\r
1357 return TRUE;\r
1358 }\r
1359\r
1360 for (; Temp != &Menu; Temp = Direction ? Temp->BackLink : Temp->ForwardLink) {\r
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
1402 if ((GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) {\r
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
1423 if ((!GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) {\r
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
1646 EFI_STATUS Status;\r
1647 EFI_INPUT_KEY Key;\r
1648 LIST_ENTRY *Link;\r
1649 LIST_ENTRY *NewPos;\r
1650 LIST_ENTRY *TopOfScreen;\r
1651 LIST_ENTRY *SavedListEntry;\r
1652 UI_MENU_OPTION *MenuOption;\r
1653 UI_MENU_OPTION *NextMenuOption;\r
1654 UI_MENU_OPTION *SavedMenuOption;\r
1655 UI_MENU_OPTION *PreviousMenuOption;\r
1656 UI_CONTROL_FLAG ControlFlag;\r
1657 EFI_SCREEN_DESCRIPTOR LocalScreen;\r
1658 MENU_REFRESH_ENTRY *MenuRefreshEntry;\r
1659 UI_SCREEN_OPERATION ScreenOperation;\r
1660 UINT8 MinRefreshInterval;\r
1661 UINTN BufferSize;\r
1662 UINT16 DefaultId;\r
1663 EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
1664 FORM_BROWSER_STATEMENT *Statement;\r
63d55bb9
LG		 1665 CHAR16 TemStr[2];\r
1666 UINT8 *DevicePathBuffer;\r
1667 UINT8 DigitUint8;\r
d66e6c16 1668 UI_MENU_LIST *CurrentMenu;\r
1669 UI_MENU_LIST *MenuList;\r
7936fb6a 1670\r
1671 CopyMem (&LocalScreen, &gScreenDimensions, sizeof (EFI_SCREEN_DESCRIPTOR));\r
1672\r
1673 Status = EFI_SUCCESS;\r
1674 FormattedString = NULL;\r
1675 OptionString = NULL;\r
1676 ScreenOperation = UiNoOperation;\r
1677 NewLine = TRUE;\r
1678 MinRefreshInterval = 0;\r
1679 DefaultId = 0;\r
1680\r
1681 OutputString = NULL;\r
1682 gUpArrow = FALSE;\r
1683 gDownArrow = FALSE;\r
1684 SkipValue = 0;\r
1685 OldSkipValue = 0;\r
1686 MenuRefreshEntry = gMenuRefreshHead;\r
1687\r
1688 NextMenuOption = NULL;\r
1689 PreviousMenuOption = NULL;\r
1690 SavedMenuOption = NULL;\r
1691\r
1692 ZeroMem (&Key, sizeof (EFI_INPUT_KEY));\r
1693\r
0a1147ed 1694 if (gClassOfVfr == FORMSET_CLASS_FRONT_PAGE) {\r
7936fb6a 1695 TopRow = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1696 Row = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1697 } else {\r
1698 TopRow = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1699 Row = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;\r
1700 }\r
1701\r
1702 Col = LocalScreen.LeftColumn;\r
1703 BottomRow = LocalScreen.BottomRow - STATUS_BAR_HEIGHT - FOOTER_HEIGHT - SCROLL_ARROW_HEIGHT - 1;\r
1704\r
1705 Selection->TopRow = TopRow;\r
1706 Selection->BottomRow = BottomRow;\r
1707 Selection->PromptCol = Col;\r
1708 Selection->OptionCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;\r
1709 Selection->Statement = NULL;\r
1710\r
1711 TopOfScreen = Menu.ForwardLink;\r
1712 Repaint = TRUE;\r
1713 MenuOption = NULL;\r
1714\r
d66e6c16 1715 //\r
1716 // Find current Menu\r
1717 //\r
1718 CurrentMenu = UiFindMenuList (&Selection->FormSetGuid, Selection->FormId);\r
1719 if (CurrentMenu == NULL) {\r
1720 //\r
1721 // Current menu not found, add it to the menu tree\r
1722 //\r
1723 CurrentMenu = UiAddMenuList (NULL, &Selection->FormSetGuid, Selection->FormId);\r
1724 }\r
1725 ASSERT (CurrentMenu != NULL);\r
1726\r
1727 if (Selection->QuestionId == 0) {\r
1728 //\r
1729 // Highlight not specified, fetch it from cached menu\r
1730 //\r
1731 Selection->QuestionId = CurrentMenu->QuestionId;\r
1732 }\r
1733\r
7936fb6a 1734 //\r
1735 // Get user's selection\r
1736 //\r
1737 NewPos = Menu.ForwardLink;\r
1738\r
1739 gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r
1740 UpdateStatusBar (REFRESH_STATUS_BAR, (UINT8) 0, TRUE);\r
1741\r
1742 ControlFlag = CfInitialization;\r
1743 Selection->Action = UI_ACTION_NONE;\r
1744 while (TRUE) {\r
1745 switch (ControlFlag) {\r
1746 case CfInitialization:\r
1747 if (IsListEmpty (&Menu)) {\r
1748 ControlFlag = CfReadKey;\r
1749 } else {\r
1750 ControlFlag = CfCheckSelection;\r
1751 }\r
1752 break;\r
1753\r
1754 case CfCheckSelection:\r
1755 if (Selection->Action != UI_ACTION_NONE) {\r
1756 ControlFlag = CfExit;\r
1757 } else {\r
1758 ControlFlag = CfRepaint;\r
1759 }\r
1760 break;\r
1761\r
1762 case CfRepaint:\r
1763 ControlFlag = CfRefreshHighLight;\r
1764\r
1765 if (Repaint) {\r
1766 //\r
1767 // Display menu\r
1768 //\r
1769 gDownArrow = FALSE;\r
1770 gUpArrow = FALSE;\r
1771 Row = TopRow;\r
1772\r
1773 Temp = SkipValue;\r
1774 Temp2 = SkipValue;\r
1775\r
1776 ClearLines (\r
1777 LocalScreen.LeftColumn,\r
1778 LocalScreen.RightColumn,\r
1779 TopRow - SCROLL_ARROW_HEIGHT,\r
1780 BottomRow + SCROLL_ARROW_HEIGHT,\r
1781 FIELD_TEXT | FIELD_BACKGROUND\r
1782 );\r
1783\r
1784 UiFreeRefreshList ();\r
1785 MinRefreshInterval = 0;\r
1786\r
1787 for (Link = TopOfScreen; Link != &Menu; Link = Link->ForwardLink) {\r
1788 MenuOption = MENU_OPTION_FROM_LINK (Link);\r
1789 MenuOption->Row = Row;\r
1790 MenuOption->Col = Col;\r
1791 MenuOption->OptCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;\r
1792\r
1793 Statement = MenuOption->ThisTag;\r
1794 if (Statement->InSubtitle) {\r
1795 MenuOption->Col += SUBTITLE_INDENT;\r
1796 }\r
1797\r
1798 if (MenuOption->GrayOut) {\r
1799 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);\r
1800 } else {\r
1801 if (Statement->Operand == EFI_IFR_SUBTITLE_OP) {\r
1802 gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND);\r
1803 }\r
1804 }\r
1805\r
1806 Width = GetWidth (Statement, MenuOption->Handle);\r
1807 OriginalRow = Row;\r
1808\r
1809 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
1810 if ((Temp == 0) && (Row <= BottomRow)) {\r
1811 PrintStringAt (MenuOption->Col, Row, OutputString);\r
1812 }\r
1813 //\r
1814 // If there is more string to process print on the next row and increment the Skip value\r
1815 //\r
d1a54e2c 1816 if (StrLen (&MenuOption->Description[Index]) != 0) {\r
7936fb6a 1817 if (Temp == 0) {\r
1818 Row++;\r
1819 }\r
1820 }\r
1821\r
f4113e1f 1822 FreePool (OutputString);\r
7936fb6a 1823 if (Temp != 0) {\r
1824 Temp--;\r
1825 }\r
1826 }\r
1827\r
1828 Temp = 0;\r
1829 Row = OriginalRow;\r
1830\r
1831 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
8d00a0f1 1832 Status = ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
1833 if (EFI_ERROR (Status)) {\r
1834 //\r
1835 // Repaint to clear possible error prompt pop-up\r
1836 //\r
1837 Repaint = TRUE;\r
1838 NewLine = TRUE;\r
1839 ControlFlag = CfRepaint;\r
1840 break;\r
1841 }\r
7936fb6a 1842\r
1843 if (OptionString != NULL) {\r
1844 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
1845 //\r
1846 // If leading spaces on OptionString - remove the spaces\r
1847 //\r
1848 for (Index = 0; OptionString[Index] == L' '; Index++) {\r
1849 MenuOption->OptCol++;\r
1850 }\r
1851\r
1852 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
1853 OptionString[Count] = OptionString[Index];\r
1854 Count++;\r
1855 }\r
1856\r
1857 OptionString[Count] = CHAR_NULL;\r
1858 }\r
1859\r
1860 //\r
1861 // If Question request refresh, register the op-code\r
1862 //\r
1863 if (Statement->RefreshInterval != 0) {\r
1864 //\r
1865 // Menu will be refreshed at minimal interval of all Questions\r
1866 // which have refresh request\r
1867 //\r
1868 if (MinRefreshInterval == 0 || Statement->RefreshInterval < MinRefreshInterval) {\r
1869 MinRefreshInterval = Statement->RefreshInterval;\r
1870 }\r
1871\r
1872 if (gMenuRefreshHead == NULL) {\r
1873 MenuRefreshEntry = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));\r
1874 ASSERT (MenuRefreshEntry != NULL);\r
1875 MenuRefreshEntry->MenuOption = MenuOption;\r
1876 MenuRefreshEntry->Selection = Selection;\r
1877 MenuRefreshEntry->CurrentColumn = MenuOption->OptCol;\r
1878 MenuRefreshEntry->CurrentRow = MenuOption->Row;\r
1879 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
1880 gMenuRefreshHead = MenuRefreshEntry;\r
1881 } else {\r
1882 //\r
1883 // Advance to the last entry\r
1884 //\r
1885 for (MenuRefreshEntry = gMenuRefreshHead;\r
1886 MenuRefreshEntry->Next != NULL;\r
1887 MenuRefreshEntry = MenuRefreshEntry->Next\r
1888 )\r
1889 ;\r
1890 MenuRefreshEntry->Next = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));\r
1891 ASSERT (MenuRefreshEntry->Next != NULL);\r
1892 MenuRefreshEntry = MenuRefreshEntry->Next;\r
1893 MenuRefreshEntry->MenuOption = MenuOption;\r
1894 MenuRefreshEntry->Selection = Selection;\r
1895 MenuRefreshEntry->CurrentColumn = MenuOption->OptCol;\r
1896 MenuRefreshEntry->CurrentRow = MenuOption->Row;\r
1897 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
1898 }\r
1899 }\r
1900\r
1901 Width = (UINT16) gOptionBlockWidth;\r
1902 OriginalRow = Row;\r
1903\r
1904 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
1905 if ((Temp2 == 0) && (Row <= BottomRow)) {\r
1906 PrintStringAt (MenuOption->OptCol, Row, OutputString);\r
1907 }\r
1908 //\r
1909 // If there is more string to process print on the next row and increment the Skip value\r
1910 //\r
d1a54e2c 1911 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 1912 if (Temp2 == 0) {\r
1913 Row++;\r
1914 //\r
1915 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1916 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1917 // some testing to ensure we are keeping this in-sync.\r
1918 //\r
1919 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1920 //\r
1921 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1922 MenuOption->Skip++;\r
1923 }\r
1924 }\r
1925 }\r
1926\r
f4113e1f 1927 FreePool (OutputString);\r
7936fb6a 1928 if (Temp2 != 0) {\r
1929 Temp2--;\r
1930 }\r
1931 }\r
1932\r
1933 Temp2 = 0;\r
1934 Row = OriginalRow;\r
1935\r
f4113e1f 1936 FreePool (OptionString);\r
7936fb6a 1937 }\r
1938 //\r
1939 // If this is a text op with secondary text information\r
1940 //\r
1941 if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) {\r
1942 StringPtr = GetToken (Statement->TextTwo, MenuOption->Handle);\r
1943\r
1944 Width = (UINT16) gOptionBlockWidth;\r
1945 OriginalRow = Row;\r
1946\r
1947 for (Index = 0; GetLineByWidth (StringPtr, Width, &Index, &OutputString) != 0x0000;) {\r
1948 if ((Temp == 0) && (Row <= BottomRow)) {\r
1949 PrintStringAt (MenuOption->OptCol, Row, OutputString);\r
1950 }\r
1951 //\r
1952 // If there is more string to process print on the next row and increment the Skip value\r
1953 //\r
d1a54e2c 1954 if (StrLen (&StringPtr[Index]) != 0) {\r
7936fb6a 1955 if (Temp2 == 0) {\r
1956 Row++;\r
1957 //\r
1958 // Since the Number of lines for this menu entry may or may not be reflected accurately\r
1959 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do\r
1960 // some testing to ensure we are keeping this in-sync.\r
1961 //\r
1962 // If the difference in rows is greater than or equal to the skip value, increase the skip value\r
1963 //\r
1964 if ((Row - OriginalRow) >= MenuOption->Skip) {\r
1965 MenuOption->Skip++;\r
1966 }\r
1967 }\r
1968 }\r
1969\r
f4113e1f 1970 FreePool (OutputString);\r
7936fb6a 1971 if (Temp2 != 0) {\r
1972 Temp2--;\r
1973 }\r
1974 }\r
1975\r
1976 Row = OriginalRow;\r
f4113e1f 1977 FreePool (StringPtr);\r
7936fb6a 1978 }\r
1979\r
1980 //\r
1981 // Need to handle the bottom of the display\r
1982 //\r
1983 if (MenuOption->Skip > 1) {\r
1984 Row += MenuOption->Skip - SkipValue;\r
1985 SkipValue = 0;\r
1986 } else {\r
1987 Row += MenuOption->Skip;\r
1988 }\r
1989\r
1990 if (Row > BottomRow) {\r
1991 if (!ValueIsScroll (FALSE, Link)) {\r
1992 gDownArrow = TRUE;\r
1993 }\r
1994\r
1995 Row = BottomRow + 1;\r
1996 break;\r
1997 }\r
1998 }\r
1999\r
2000 if (!ValueIsScroll (TRUE, TopOfScreen)) {\r
2001 gUpArrow = TRUE;\r
2002 }\r
2003\r
2004 if (gUpArrow) {\r
2005 gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
2006 PrintAt (\r
2007 LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
2008 TopRow - SCROLL_ARROW_HEIGHT,\r
2009 L"%c",\r
2010 ARROW_UP\r
2011 );\r
2012 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2013 }\r
2014\r
2015 if (gDownArrow) {\r
2016 gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);\r
2017 PrintAt (\r
2018 LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,\r
2019 BottomRow + SCROLL_ARROW_HEIGHT,\r
2020 L"%c",\r
2021 ARROW_DOWN\r
2022 );\r
2023 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2024 }\r
2025\r
2026 MenuOption = NULL;\r
2027 }\r
2028 break;\r
2029\r
2030 case CfRefreshHighLight:\r
2031 //\r
2032 // MenuOption: Last menu option that need to remove hilight\r
2033 // MenuOption is set to NULL in Repaint\r
2034 // NewPos: Current menu option that need to hilight\r
2035 //\r
2036 ControlFlag = CfUpdateHelpString;\r
2037\r
2038 //\r
2039 // Repaint flag is normally reset when finish processing CfUpdateHelpString. Temporarily\r
2040 // reset Repaint flag because we may break halfway and skip CfUpdateHelpString processing.\r
2041 //\r
2042 SavedValue = Repaint;\r
2043 Repaint = FALSE;\r
2044\r
2045 if (Selection->QuestionId != 0) {\r
2046 NewPos = Menu.ForwardLink;\r
2047 SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2048\r
2049 while (SavedMenuOption->ThisTag->QuestionId != Selection->QuestionId && NewPos->ForwardLink != &Menu) {\r
2050 NewPos = NewPos->ForwardLink;\r
2051 SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2052 }\r
2053 if (SavedMenuOption->ThisTag->QuestionId == Selection->QuestionId) {\r
2054 //\r
2055 // Target Question found, find its MenuOption\r
2056 //\r
2057 Link = TopOfScreen;\r
2058\r
2059 for (Index = TopRow; Index <= BottomRow && Link != NewPos;) {\r
2060 SavedMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2061 Index += SavedMenuOption->Skip;\r
2062 Link = Link->ForwardLink;\r
2063 }\r
2064\r
2065 if (Link != NewPos || Index > BottomRow) {\r
2066 //\r
2067 // NewPos is not in the current page, simply scroll page so that NewPos is in the end of the page\r
2068 //\r
2069 Link = NewPos;\r
2070 for (Index = TopRow; Index <= BottomRow; ) {\r
2071 Link = Link->BackLink;\r
2072 SavedMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2073 Index += SavedMenuOption->Skip;\r
2074 }\r
2075 TopOfScreen = Link->ForwardLink;\r
2076\r
2077 Repaint = TRUE;\r
2078 NewLine = TRUE;\r
2079 ControlFlag = CfRepaint;\r
2080 break;\r
2081 }\r
2082 } else {\r
2083 //\r
2084 // Target Question not found, highlight the default menu option\r
2085 //\r
2086 NewPos = TopOfScreen;\r
2087 }\r
2088\r
2089 Selection->QuestionId = 0;\r
2090 }\r
2091\r
2092 if (NewPos != NULL && (MenuOption == NULL || NewPos != &MenuOption->Link)) {\r
2093 if (MenuOption != NULL) {\r
2094 //\r
2095 // Remove highlight on last Menu Option\r
2096 //\r
2097 gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
2098 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
2099 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2100 if (OptionString != NULL) {\r
2101 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) ||\r
2102 (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)\r
2103 ) {\r
2104 //\r
2105 // If leading spaces on OptionString - remove the spaces\r
2106 //\r
2107 for (Index = 0; OptionString[Index] == L' '; Index++)\r
2108 ;\r
2109\r
2110 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
2111 OptionString[Count] = OptionString[Index];\r
2112 Count++;\r
2113 }\r
2114\r
2115 OptionString[Count] = CHAR_NULL;\r
2116 }\r
2117\r
2118 Width = (UINT16) gOptionBlockWidth;\r
2119 OriginalRow = MenuOption->Row;\r
2120\r
2121 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
2122 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2123 PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
2124 }\r
2125 //\r
2126 // If there is more string to process print on the next row and increment the Skip value\r
2127 //\r
d1a54e2c 2128 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 2129 MenuOption->Row++;\r
2130 }\r
2131\r
f4113e1f 2132 FreePool (OutputString);\r
7936fb6a 2133 }\r
2134\r
2135 MenuOption->Row = OriginalRow;\r
2136\r
f4113e1f 2137 FreePool (OptionString);\r
7936fb6a 2138 } else {\r
2139 if (NewLine) {\r
2140 if (MenuOption->GrayOut) {\r
2141 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);\r
2142 } else if (MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) {\r
2143 gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND);\r
2144 }\r
2145\r
2146 OriginalRow = MenuOption->Row;\r
2147 Width = GetWidth (MenuOption->ThisTag, MenuOption->Handle);\r
2148\r
2149 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
2150 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2151 PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
2152 }\r
2153 //\r
2154 // If there is more string to process print on the next row and increment the Skip value\r
2155 //\r
d1a54e2c 2156 if (StrLen (&MenuOption->Description[Index]) != 0) {\r
7936fb6a 2157 MenuOption->Row++;\r
2158 }\r
2159\r
f4113e1f 2160 FreePool (OutputString);\r
7936fb6a 2161 }\r
2162\r
2163 MenuOption->Row = OriginalRow;\r
2164 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2165 }\r
2166 }\r
2167 }\r
2168\r
2169 //\r
2170 // This is only possible if we entered this page and the first menu option is\r
2171 // a "non-menu" item. In that case, force it UiDown\r
2172 //\r
2173 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2174 if (!IsSelectable (MenuOption)) {\r
2175 ASSERT (ScreenOperation == UiNoOperation);\r
2176 ScreenOperation = UiDown;\r
2177 ControlFlag = CfScreenOperation;\r
2178 break;\r
2179 }\r
2180\r
2181 //\r
2182 // This is the current selected statement\r
2183 //\r
2184 Statement = MenuOption->ThisTag;\r
2185 Selection->Statement = Statement;\r
d66e6c16 2186 //\r
2187 // Record highlight for current menu\r
2188 //\r
2189 CurrentMenu->QuestionId = Statement->QuestionId;\r
7936fb6a 2190\r
2191 //\r
2192 // Set reverse attribute\r
2193 //\r
2194 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT);\r
2195 gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);\r
2196\r
2197 //\r
2198 // Assuming that we have a refresh linked-list created, lets annotate the\r
2199 // appropriate entry that we are highlighting with its new attribute. Just prior to this\r
2200 // lets reset all of the entries' attribute so we do not get multiple highlights in he refresh\r
2201 //\r
2202 if (gMenuRefreshHead != NULL) {\r
2203 for (MenuRefreshEntry = gMenuRefreshHead; MenuRefreshEntry != NULL; MenuRefreshEntry = MenuRefreshEntry->Next) {\r
2204 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND;\r
2205 if (MenuRefreshEntry->MenuOption == MenuOption) {\r
2206 MenuRefreshEntry->CurrentAttribute = FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT;\r
2207 }\r
2208 }\r
2209 }\r
2210\r
2211 ProcessOptions (Selection, MenuOption, FALSE, &OptionString);\r
2212 if (OptionString != NULL) {\r
2213 if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {\r
2214 //\r
2215 // If leading spaces on OptionString - remove the spaces\r
2216 //\r
2217 for (Index = 0; OptionString[Index] == L' '; Index++)\r
2218 ;\r
2219\r
2220 for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {\r
2221 OptionString[Count] = OptionString[Index];\r
2222 Count++;\r
2223 }\r
2224\r
2225 OptionString[Count] = CHAR_NULL;\r
2226 }\r
2227 Width = (UINT16) gOptionBlockWidth;\r
2228\r
2229 OriginalRow = MenuOption->Row;\r
2230\r
2231 for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) {\r
2232 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2233 PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);\r
2234 }\r
2235 //\r
2236 // If there is more string to process print on the next row and increment the Skip value\r
2237 //\r
d1a54e2c 2238 if (StrLen (&OptionString[Index]) != 0) {\r
7936fb6a 2239 MenuOption->Row++;\r
2240 }\r
2241\r
f4113e1f 2242 FreePool (OutputString);\r
7936fb6a 2243 }\r
2244\r
2245 MenuOption->Row = OriginalRow;\r
2246\r
f4113e1f 2247 FreePool (OptionString);\r
7936fb6a 2248 } else {\r
2249 if (NewLine) {\r
2250 OriginalRow = MenuOption->Row;\r
2251\r
2252 Width = GetWidth (Statement, MenuOption->Handle);\r
2253\r
2254 for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) {\r
2255 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {\r
2256 PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);\r
2257 }\r
2258 //\r
2259 // If there is more string to process print on the next row and increment the Skip value\r
2260 //\r
d1a54e2c 2261 if (StrLen (&MenuOption->Description[Index]) != 0) {\r
7936fb6a 2262 MenuOption->Row++;\r
2263 }\r
2264\r
f4113e1f 2265 FreePool (OutputString);\r
7936fb6a 2266 }\r
2267\r
2268 MenuOption->Row = OriginalRow;\r
2269\r
2270 }\r
2271 }\r
2272\r
8b0fc5c1 2273 UpdateKeyHelp (Selection, MenuOption, FALSE);\r
8d00a0f1 2274\r
7936fb6a 2275 //\r
2276 // Clear reverse attribute\r
2277 //\r
2278 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);\r
2279 }\r
2280 //\r
2281 // Repaint flag will be used when process CfUpdateHelpString, so restore its value\r
2282 // if we didn't break halfway when process CfRefreshHighLight.\r
2283 //\r
2284 Repaint = SavedValue;\r
2285 break;\r
2286\r
2287 case CfUpdateHelpString:\r
2288 ControlFlag = CfPrepareToReadKey;\r
2289\r
0a1147ed 2290 if (Repaint || NewLine) {\r
7936fb6a 2291 //\r
2292 // Don't print anything if it is a NULL help token\r
2293 //\r
2294 if (MenuOption->ThisTag->Help == 0) {\r
2295 StringPtr = L"\0";\r
2296 } else {\r
2297 StringPtr = GetToken (MenuOption->ThisTag->Help, MenuOption->Handle);\r
2298 }\r
2299\r
2300 ProcessHelpString (StringPtr, &FormattedString, BottomRow - TopRow);\r
2301\r
2302 gST->ConOut->SetAttribute (gST->ConOut, HELP_TEXT | FIELD_BACKGROUND);\r
2303\r
2304 for (Index = 0; Index < BottomRow - TopRow; Index++) {\r
2305 //\r
2306 // Pad String with spaces to simulate a clearing of the previous line\r
2307 //\r
2308 for (; GetStringWidth (&FormattedString[Index * gHelpBlockWidth * 2]) / 2 < gHelpBlockWidth;) {\r
2309 StrCat (&FormattedString[Index * gHelpBlockWidth * 2], L" ");\r
2310 }\r
2311\r
2312 PrintStringAt (\r
2313 LocalScreen.RightColumn - gHelpBlockWidth,\r
2314 Index + TopRow,\r
2315 &FormattedString[Index * gHelpBlockWidth * 2]\r
2316 );\r
2317 }\r
2318 }\r
2319 //\r
2320 // Reset this flag every time we finish using it.\r
2321 //\r
2322 Repaint = FALSE;\r
2323 NewLine = FALSE;\r
2324 break;\r
2325\r
2326 case CfPrepareToReadKey:\r
2327 ControlFlag = CfReadKey;\r
2328 ScreenOperation = UiNoOperation;\r
2329 break;\r
2330\r
2331 case CfReadKey:\r
2332 ControlFlag = CfScreenOperation;\r
2333\r
2334 //\r
2335 // Wait for user's selection\r
2336 //\r
2337 do {\r
2338 Status = UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, MinRefreshInterval);\r
2339 } while (Status == EFI_TIMEOUT);\r
2340\r
8d00a0f1 2341 if (Selection->Action == UI_ACTION_REFRESH_FORMSET) {\r
7936fb6a 2342 //\r
8d00a0f1 2343 // IFR is updated in Callback of refresh opcode, re-parse it\r
7936fb6a 2344 //\r
8d00a0f1 2345 Selection->Statement = NULL;\r
d66e6c16 2346 return EFI_SUCCESS;\r
8d00a0f1 2347 }\r
2348\r
2349 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
2350 //\r
d66e6c16 2351 // If we encounter error, continue to read another key in.\r
8d00a0f1 2352 //\r
2353 if (EFI_ERROR (Status)) {\r
2354 ControlFlag = CfReadKey;\r
2355 break;\r
7936fb6a 2356 }\r
2357\r
7936fb6a 2358 switch (Key.UnicodeChar) {\r
2359 case CHAR_CARRIAGE_RETURN:\r
2360 ScreenOperation = UiSelect;\r
2361 gDirection = 0;\r
2362 break;\r
2363\r
2364 //\r
2365 // We will push the adjustment of these numeric values directly to the input handler\r
2366 // NOTE: we won't handle manual input numeric\r
2367 //\r
2368 case '+':\r
2369 case '-':\r
2370 Statement = MenuOption->ThisTag;\r
2371 if ((Statement->Operand == EFI_IFR_DATE_OP)\r
2372 || (Statement->Operand == EFI_IFR_TIME_OP)\r
2373 || ((Statement->Operand == EFI_IFR_NUMERIC_OP) && (Statement->Step != 0))\r
2374 ){\r
2375 if (Key.UnicodeChar == '+') {\r
2376 gDirection = SCAN_RIGHT;\r
2377 } else {\r
2378 gDirection = SCAN_LEFT;\r
2379 }\r
2380 Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);\r
8d00a0f1 2381 if (EFI_ERROR (Status)) {\r
2382 //\r
2383 // Repaint to clear possible error prompt pop-up\r
2384 //\r
2385 Repaint = TRUE;\r
2386 NewLine = TRUE;\r
2387 }\r
676df92c 2388 if (OptionString != NULL) {\r
2389 FreePool (OptionString);\r
2390 }\r
7936fb6a 2391 }\r
2392 break;\r
2393\r
2394 case '^':\r
2395 ScreenOperation = UiUp;\r
2396 break;\r
2397\r
2398 case 'V':\r
2399 case 'v':\r
2400 ScreenOperation = UiDown;\r
2401 break;\r
2402\r
2403 case ' ':\r
0a1147ed 2404 if (gClassOfVfr != FORMSET_CLASS_FRONT_PAGE) {\r
7936fb6a 2405 if (MenuOption->ThisTag->Operand == EFI_IFR_CHECKBOX_OP && !MenuOption->GrayOut) {\r
2406 ScreenOperation = UiSelect;\r
2407 }\r
2408 }\r
2409 break;\r
2410\r
2411 case CHAR_NULL:\r
8b0fc5c1 2412 if (((Key.ScanCode == SCAN_F9) && ((gFunctionKeySetting & FUNCTION_NINE) != FUNCTION_NINE)) ||\r
7936fb6a 2413 ((Key.ScanCode == SCAN_F10) && ((gFunctionKeySetting & FUNCTION_TEN) != FUNCTION_TEN))\r
2414 ) {\r
2415 //\r
2416 // If the function key has been disabled, just ignore the key.\r
2417 //\r
2418 } else {\r
2419 for (Index = 0; Index < sizeof (gScanCodeToOperation) / sizeof (gScanCodeToOperation[0]); Index++) {\r
2420 if (Key.ScanCode == gScanCodeToOperation[Index].ScanCode) {\r
2421 if (Key.ScanCode == SCAN_F9) {\r
2422 //\r
2423 // Reset to standard default\r
2424 //\r
2425 DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;\r
2426 }\r
2427 ScreenOperation = gScanCodeToOperation[Index].ScreenOperation;\r
2428 break;\r
2429 }\r
2430 }\r
2431 }\r
2432 break;\r
2433 }\r
2434 break;\r
2435\r
2436 case CfScreenOperation:\r
d66e6c16 2437 if (ScreenOperation != UiReset) {\r
7936fb6a 2438 //\r
d66e6c16 2439 // If the screen has no menu items, and the user didn't select UiReset\r
7936fb6a 2440 // ignore the selection and go back to reading keys.\r
2441 //\r
2442 if (IsListEmpty (&Menu)) {\r
2443 ControlFlag = CfReadKey;\r
2444 break;\r
2445 }\r
2446 //\r
2447 // if there is nothing logical to place a cursor on, just move on to wait for a key.\r
2448 //\r
2449 for (Link = Menu.ForwardLink; Link != &Menu; Link = Link->ForwardLink) {\r
2450 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2451 if (IsSelectable (NextMenuOption)) {\r
2452 break;\r
2453 }\r
2454 }\r
2455\r
2456 if (Link == &Menu) {\r
2457 ControlFlag = CfPrepareToReadKey;\r
2458 break;\r
2459 }\r
7936fb6a 2460 }\r
2461\r
2462 for (Index = 0;\r
2463 Index < sizeof (gScreenOperationToControlFlag) / sizeof (gScreenOperationToControlFlag[0]);\r
2464 Index++\r
2465 ) {\r
2466 if (ScreenOperation == gScreenOperationToControlFlag[Index].ScreenOperation) {\r
2467 ControlFlag = gScreenOperationToControlFlag[Index].ControlFlag;\r
2468 break;\r
2469 }\r
2470 }\r
2471 break;\r
2472\r
7936fb6a 2473 case CfUiSelect:\r
2474 ControlFlag = CfCheckSelection;\r
2475\r
2476 Statement = MenuOption->ThisTag;\r
2477 if ((Statement->Operand == EFI_IFR_TEXT_OP) ||\r
2478 (Statement->Operand == EFI_IFR_DATE_OP) ||\r
2479 (Statement->Operand == EFI_IFR_TIME_OP) ||\r
2480 (Statement->Operand == EFI_IFR_NUMERIC_OP && Statement->Step != 0)) {\r
2481 break;\r
2482 }\r
2483\r
2484 //\r
2485 // Keep highlight on current MenuOption\r
2486 //\r
2487 Selection->QuestionId = Statement->QuestionId;\r
2488\r
2489 switch (Statement->Operand) {\r
2490 case EFI_IFR_REF_OP:\r
2491 if (Statement->RefDevicePath != 0) {\r
2492 //\r
2493 // Goto another Hii Package list\r
2494 //\r
d66e6c16 2495 ControlFlag = CfCheckSelection;\r
7936fb6a 2496 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2497\r
2498 StringPtr = GetToken (Statement->RefDevicePath, Selection->FormSet->HiiHandle);\r
2499 if (StringPtr == NULL) {\r
2500 //\r
2501 // No device path string not found, exit\r
2502 //\r
2503 Selection->Action = UI_ACTION_EXIT;\r
2504 Selection->Statement = NULL;\r
2505 break;\r
2506 }\r
2507 BufferSize = StrLen (StringPtr) / 2;\r
2508 DevicePath = AllocatePool (BufferSize);\r
d66e6c16 2509\r
63d55bb9
LG		 2510 //\r
2511 // Convert from Device Path String to DevicePath Buffer in the reverse order.\r
2512 //\r
2513 DevicePathBuffer = (UINT8 *) DevicePath;\r
2514 for (Index = 0; StringPtr[Index] != L'\0'; Index ++) {\r
2515 TemStr[0] = StringPtr[Index];\r
2516 DigitUint8 = (UINT8) StrHexToUint64 (TemStr);\r
2517 if (DigitUint8 == 0 && TemStr[0] != L'0') {\r
2518 //\r
2519 // Invalid Hex Char as the tail.\r
2520 //\r
2521 break;\r
2522 }\r
2523 if ((Index & 1) == 0) {\r
2524 DevicePathBuffer [Index/2] = DigitUint8;\r
2525 } else {\r
2526 DevicePathBuffer [Index/2] = (UINT8) ((DevicePathBuffer [Index/2] << 4) + DigitUint8);\r
2527 }\r
2528 }\r
7936fb6a 2529\r
cb7d01c0 2530 Selection->Handle = DevicePathToHiiHandle (DevicePath);\r
7936fb6a 2531 if (Selection->Handle == NULL) {\r
2532 //\r
2533 // If target Hii Handle not found, exit\r
2534 //\r
2535 Selection->Action = UI_ACTION_EXIT;\r
2536 Selection->Statement = NULL;\r
2537 break;\r
2538 }\r
2539\r
f4113e1f 2540 FreePool (StringPtr);\r
2541 FreePool (DevicePath);\r
7936fb6a 2542\r
2543 CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID));\r
2544 Selection->FormId = Statement->RefFormId;\r
2545 Selection->QuestionId = Statement->RefQuestionId;\r
2546 } else if (!CompareGuid (&Statement->RefFormSetId, &gZeroGuid)) {\r
2547 //\r
2548 // Goto another Formset, check for uncommitted data\r
2549 //\r
d66e6c16 2550 ControlFlag = CfCheckSelection;\r
7936fb6a 2551 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2552\r
2553 CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID));\r
2554 Selection->FormId = Statement->RefFormId;\r
2555 Selection->QuestionId = Statement->RefQuestionId;\r
2556 } else if (Statement->RefFormId != 0) {\r
2557 //\r
2558 // Goto another form inside this formset,\r
2559 //\r
2560 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2561\r
2562 //\r
d66e6c16 2563 // Link current form so that we can always go back when someone hits the ESC\r
7936fb6a 2564 //\r
d66e6c16 2565 MenuList = UiFindMenuList (&Selection->FormSetGuid, Statement->RefFormId);\r
2566 if (MenuList == NULL) {\r
2567 MenuList = UiAddMenuList (CurrentMenu, &Selection->FormSetGuid, Statement->RefFormId);\r
2568 }\r
7936fb6a 2569\r
2570 Selection->FormId = Statement->RefFormId;\r
2571 Selection->QuestionId = Statement->RefQuestionId;\r
2572 } else if (Statement->RefQuestionId != 0) {\r
2573 //\r
2574 // Goto another Question\r
2575 //\r
2576 Selection->QuestionId = Statement->RefQuestionId;\r
2577\r
2578 if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {\r
2579 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2580 } else {\r
2581 Repaint = TRUE;\r
2582 NewLine = TRUE;\r
2583 break;\r
2584 }\r
2585 }\r
2586 break;\r
2587\r
2588 case EFI_IFR_ACTION_OP:\r
2589 //\r
2590 // Process the Config string <ConfigResp>\r
2591 //\r
2592 Status = ProcessQuestionConfig (Selection, Statement);\r
2593\r
2594 if (EFI_ERROR (Status)) {\r
2595 break;\r
2596 }\r
2597\r
2598 //\r
2599 // The action button may change some Question value, so refresh the form\r
2600 //\r
2601 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2602 break;\r
2603\r
2604 case EFI_IFR_RESET_BUTTON_OP:\r
2605 //\r
2606 // Reset Question to default value specified by DefaultId\r
2607 //\r
2608 ControlFlag = CfUiDefault;\r
2609 DefaultId = Statement->DefaultId;\r
2610 break;\r
2611\r
2612 default:\r
2613 //\r
2614 // Editable Questions: oneof, ordered list, checkbox, numeric, string, password\r
2615 //\r
8b0fc5c1 2616 UpdateKeyHelp (Selection, MenuOption, TRUE);\r
7936fb6a 2617 Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);\r
2618\r
2619 if (EFI_ERROR (Status)) {\r
2620 Repaint = TRUE;\r
2621 NewLine = TRUE;\r
8b0fc5c1 2622 UpdateKeyHelp (Selection, MenuOption, FALSE);\r
2623 } else {\r
2624 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2625 }\r
7936fb6a 2626\r
8d00a0f1 2627 if (OptionString != NULL) {\r
2628 FreePool (OptionString);\r
2629 }\r
7936fb6a 2630 break;\r
2631 }\r
2632 break;\r
2633\r
2634 case CfUiReset:\r
2635 //\r
d66e6c16 2636 // We come here when someone press ESC\r
7936fb6a 2637 //\r
2638 ControlFlag = CfCheckSelection;\r
2639\r
d66e6c16 2640 if (CurrentMenu->Parent != NULL) {\r
2641 //\r
2642 // we have a parent, so go to the parent menu\r
2643 //\r
2644 if (CompareGuid (&CurrentMenu->FormSetGuid, &CurrentMenu->Parent->FormSetGuid)) {\r
2645 //\r
2646 // The parent menu and current menu are in the same formset\r
2647 //\r
2648 Selection->Action = UI_ACTION_REFRESH_FORM;\r
2649 } else {\r
2650 Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
2651 }\r
2652 Selection->Statement = NULL;\r
2653\r
2654 Selection->FormId = CurrentMenu->Parent->FormId;\r
2655 Selection->QuestionId = CurrentMenu->Parent->QuestionId;\r
2656\r
2657 //\r
2658 // Clear highlight record for this menu\r
2659 //\r
2660 CurrentMenu->QuestionId = 0;\r
2661 break;\r
2662 }\r
2663\r
0a1147ed 2664 if (gClassOfVfr == FORMSET_CLASS_FRONT_PAGE) {\r
7936fb6a 2665 //\r
d66e6c16 2666 // We never exit FrontPage, so skip the ESC\r
7936fb6a 2667 //\r
2668 Selection->Action = UI_ACTION_NONE;\r
7936fb6a 2669 break;\r
2670 }\r
2671\r
2672 //\r
d66e6c16 2673 // We are going to leave current FormSet, so check uncommited data in this FormSet\r
7936fb6a 2674 //\r
2675 if (gNvUpdateRequired) {\r
2676 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
2677\r
2678 YesResponse = gYesResponse[0];\r
2679 NoResponse = gNoResponse[0];\r
2680\r
d66e6c16 2681 //\r
2682 // If NV flag is up, prompt user\r
2683 //\r
7936fb6a 2684 do {\r
d66e6c16 2685 CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gSaveChanges, gAreYouSure, gEmptyString);\r
7936fb6a 2686 } while\r
2687 (\r
2688 (Key.ScanCode != SCAN_ESC) &&\r
2689 ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (NoResponse | UPPER_LOWER_CASE_OFFSET)) &&\r
2690 ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (YesResponse | UPPER_LOWER_CASE_OFFSET))\r
2691 );\r
2692\r
d66e6c16 2693 if (Key.ScanCode == SCAN_ESC) {\r
2694 //\r
2695 // User hits the ESC key\r
2696 //\r
7936fb6a 2697 Repaint = TRUE;\r
2698 NewLine = TRUE;\r
2699\r
2700 Selection->Action = UI_ACTION_NONE;\r
2701 break;\r
2702 }\r
d66e6c16 2703\r
2704 //\r
2705 // If the user hits the YesResponse key\r
2706 //\r
2707 if ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (YesResponse | UPPER_LOWER_CASE_OFFSET)) {\r
2708 Status = SubmitForm (Selection->FormSet, Selection->Form);\r
2709 }\r
7936fb6a 2710 }\r
2711\r
d66e6c16 2712 Selection->Action = UI_ACTION_EXIT;\r
2713 Selection->Statement = NULL;\r
2714 CurrentMenu->QuestionId = 0;\r
7936fb6a 2715\r
7936fb6a 2716 return EFI_SUCCESS;\r
2717\r
2718 case CfUiLeft:\r
2719 ControlFlag = CfCheckSelection;\r
2720 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
2721 if (MenuOption->Sequence != 0) {\r
2722 //\r
2723 // In the middle or tail of the Date/Time op-code set, go left.\r
2724 //\r
2725 NewPos = NewPos->BackLink;\r
2726 }\r
2727 }\r
2728 break;\r
2729\r
2730 case CfUiRight:\r
2731 ControlFlag = CfCheckSelection;\r
2732 if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {\r
2733 if (MenuOption->Sequence != 2) {\r
2734 //\r
2735 // In the middle or tail of the Date/Time op-code set, go left.\r
2736 //\r
2737 NewPos = NewPos->ForwardLink;\r
2738 }\r
2739 }\r
2740 break;\r
2741\r
2742 case CfUiUp:\r
2743 ControlFlag = CfCheckSelection;\r
2744\r
2745 SavedListEntry = TopOfScreen;\r
2746\r
2747 if (NewPos->BackLink != &Menu) {\r
2748 NewLine = TRUE;\r
2749 //\r
2750 // Adjust Date/Time position before we advance forward.\r
2751 //\r
2752 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2753\r
2754 //\r
2755 // Caution that we have already rewind to the top, don't go backward in this situation.\r
2756 //\r
2757 if (NewPos->BackLink != &Menu) {\r
2758 NewPos = NewPos->BackLink;\r
2759 }\r
2760\r
2761 PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2762 DistanceValue = PreviousMenuOption->Skip;\r
2763\r
2764 //\r
2765 // Since the behavior of hitting the up arrow on a Date/Time op-code is intended\r
2766 // to be one that back to the previous set of op-codes, we need to advance to the sencond\r
2767 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate\r
2768 // checking can be done.\r
2769 //\r
2770 DistanceValue += AdjustDateAndTimePosition (TRUE, &NewPos);\r
2771\r
2772 //\r
2773 // Check the previous menu entry to see if it was a zero-length advance. If it was,\r
2774 // don't worry about a redraw.\r
2775 //\r
2776 if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) {\r
2777 Repaint = TRUE;\r
2778 TopOfScreen = NewPos;\r
2779 }\r
2780\r
d66e6c16 2781 Difference = MoveToNextStatement (TRUE, &NewPos);\r
e3eb7467 2782 PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2783 DistanceValue += PreviousMenuOption->Skip;\r
d66e6c16 2784\r
2785 if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) {\r
7936fb6a 2786 if (Difference > 0) {\r
2787 //\r
2788 // Previous focus MenuOption is above the TopOfScreen, so we need to scroll\r
2789 //\r
2790 TopOfScreen = NewPos;\r
2791 Repaint = TRUE;\r
d66e6c16 2792 SkipValue = 0;\r
2793 OldSkipValue = 0;\r
7936fb6a 2794 }\r
2795 }\r
2796 if (Difference < 0) {\r
2797 //\r
2798 // We want to goto previous MenuOption, but finally we go down.\r
2799 // it means that we hit the begining MenuOption that can be focused\r
2800 // so we simply scroll to the top\r
2801 //\r
2802 if (SavedListEntry != Menu.ForwardLink) {\r
2803 TopOfScreen = Menu.ForwardLink;\r
2804 Repaint = TRUE;\r
2805 }\r
2806 }\r
2807\r
2808 //\r
2809 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2810 //\r
2811 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2812\r
2813 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
2814 } else {\r
2815 SavedMenuOption = MenuOption;\r
2816 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2817 if (!IsSelectable (MenuOption)) {\r
2818 //\r
2819 // If we are at the end of the list and sitting on a text op, we need to more forward\r
2820 //\r
2821 ScreenOperation = UiDown;\r
2822 ControlFlag = CfScreenOperation;\r
2823 break;\r
2824 }\r
2825\r
2826 MenuOption = SavedMenuOption;\r
2827 }\r
2828 break;\r
2829\r
2830 case CfUiPageUp:\r
2831 ControlFlag = CfCheckSelection;\r
2832\r
2833 if (NewPos->BackLink == &Menu) {\r
2834 NewLine = FALSE;\r
2835 Repaint = FALSE;\r
2836 break;\r
2837 }\r
2838\r
2839 NewLine = TRUE;\r
2840 Repaint = TRUE;\r
2841 Link = TopOfScreen;\r
2842 PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2843 Index = BottomRow;\r
2844 while ((Index >= TopRow) && (Link->BackLink != &Menu)) {\r
2845 Index = Index - PreviousMenuOption->Skip;\r
2846 Link = Link->BackLink;\r
2847 PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2848 }\r
2849\r
2850 TopOfScreen = Link;\r
2851 Difference = MoveToNextStatement (TRUE, &Link);\r
2852 if (Difference > 0) {\r
2853 //\r
2854 // The focus MenuOption is above the TopOfScreen\r
2855 //\r
2856 TopOfScreen = Link;\r
2857 } else if (Difference < 0) {\r
2858 //\r
2859 // This happens when there is no MenuOption can be focused from\r
2860 // Current MenuOption to the first MenuOption\r
2861 //\r
2862 TopOfScreen = Menu.ForwardLink;\r
2863 }\r
2864 Index += Difference;\r
2865 if (Index < TopRow) {\r
2866 MenuOption = NULL;\r
2867 }\r
2868\r
2869 if (NewPos == Link) {\r
2870 Repaint = FALSE;\r
2871 NewLine = FALSE;\r
2872 } else {\r
2873 NewPos = Link;\r
2874 }\r
2875\r
2876 //\r
2877 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2878 // Don't do this when we are already in the first page.\r
2879 //\r
2880 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2881 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2882 break;\r
2883\r
2884 case CfUiPageDown:\r
2885 ControlFlag = CfCheckSelection;\r
2886\r
2887 if (NewPos->ForwardLink == &Menu) {\r
2888 NewLine = FALSE;\r
2889 Repaint = FALSE;\r
2890 break;\r
2891 }\r
2892\r
2893 NewLine = TRUE;\r
2894 Repaint = TRUE;\r
2895 Link = TopOfScreen;\r
2896 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2897 Index = TopRow;\r
2898 while ((Index <= BottomRow) && (Link->ForwardLink != &Menu)) {\r
2899 Index = Index + NextMenuOption->Skip;\r
2900 Link = Link->ForwardLink;\r
2901 NextMenuOption = MENU_OPTION_FROM_LINK (Link);\r
2902 }\r
2903\r
2904 Index += MoveToNextStatement (FALSE, &Link);\r
2905 if (Index > BottomRow) {\r
2906 //\r
2907 // There are more MenuOption needing scrolling\r
2908 //\r
2909 TopOfScreen = Link;\r
2910 MenuOption = NULL;\r
2911 }\r
2912 if (NewPos == Link && Index <= BottomRow) {\r
2913 //\r
2914 // Finally we know that NewPos is the last MenuOption can be focused.\r
2915 //\r
2916 NewLine = FALSE;\r
2917 Repaint = FALSE;\r
2918 } else {\r
2919 NewPos = Link;\r
2920 }\r
2921\r
2922 //\r
2923 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.\r
2924 // Don't do this when we are already in the last page.\r
2925 //\r
2926 AdjustDateAndTimePosition (TRUE, &TopOfScreen);\r
2927 AdjustDateAndTimePosition (TRUE, &NewPos);\r
2928 break;\r
2929\r
2930 case CfUiDown:\r
2931 ControlFlag = CfCheckSelection;\r
2932 //\r
2933 // Since the behavior of hitting the down arrow on a Date/Time op-code is intended\r
2934 // to be one that progresses to the next set of op-codes, we need to advance to the last\r
2935 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate\r
2936 // checking can be done. The only other logic we need to introduce is that if a Date/Time\r
2937 // op-code is the last entry in the menu, we need to rewind back to the first op-code of\r
2938 // the Date/Time op-code.\r
2939 //\r
2940 SavedListEntry = NewPos;\r
2941 DistanceValue = AdjustDateAndTimePosition (FALSE, &NewPos);\r
2942\r
2943 if (NewPos->ForwardLink != &Menu) {\r
2944 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2945 NewLine = TRUE;\r
2946 NewPos = NewPos->ForwardLink;\r
2947 NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
2948\r
2949 DistanceValue += NextMenuOption->Skip;\r
2950 DistanceValue += MoveToNextStatement (FALSE, &NewPos);\r
2951 //\r
2952 // An option might be multi-line, so we need to reflect that data in the overall skip value\r
2953 //\r
2954 UpdateOptionSkipLines (Selection, NextMenuOption, &OptionString, SkipValue);\r
2955\r
2956 Temp = MenuOption->Row + MenuOption->Skip + DistanceValue - 1;\r
2957 if ((MenuOption->Row + MenuOption->Skip == BottomRow + 1) &&\r
2958 (NextMenuOption->ThisTag->Operand == EFI_IFR_DATE_OP ||\r
2959 NextMenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)\r
2960 ) {\r
2961 Temp ++;\r
2962 }\r
2963\r
2964 //\r
2965 // If we are going to scroll, update TopOfScreen\r
2966 //\r
2967 if (Temp > BottomRow) {\r
2968 do {\r
2969 //\r
2970 // Is the current top of screen a zero-advance op-code?\r
2971 // If so, keep moving forward till we hit a >0 advance op-code\r
2972 //\r
2973 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2974\r
2975 //\r
2976 // If bottom op-code is more than one line or top op-code is more than one line\r
2977 //\r
2978 if ((DistanceValue > 1) || (MenuOption->Skip > 1)) {\r
2979 //\r
2980 // Is the bottom op-code greater than or equal in size to the top op-code?\r
2981 //\r
2982 if ((Temp - BottomRow) >= (SavedMenuOption->Skip - OldSkipValue)) {\r
2983 //\r
2984 // Skip the top op-code\r
2985 //\r
2986 TopOfScreen = TopOfScreen->ForwardLink;\r
2987 Difference = (Temp - BottomRow) - (SavedMenuOption->Skip - OldSkipValue);\r
2988\r
2989 OldSkipValue = Difference;\r
2990\r
2991 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
2992\r
2993 //\r
2994 // If we have a remainder, skip that many more op-codes until we drain the remainder\r
2995 //\r
2996 for (;\r
2997 Difference >= (INTN) SavedMenuOption->Skip;\r
2998 Difference = Difference - (INTN) SavedMenuOption->Skip\r
2999 ) {\r
3000 //\r
3001 // Since the Difference is greater than or equal to this op-code's skip value, skip it\r
3002 //\r
3003 TopOfScreen = TopOfScreen->ForwardLink;\r
3004 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
3005 if (Difference < (INTN) SavedMenuOption->Skip) {\r
3006 Difference = SavedMenuOption->Skip - Difference - 1;\r
3007 break;\r
3008 } else {\r
3009 if (Difference == (INTN) SavedMenuOption->Skip) {\r
3010 TopOfScreen = TopOfScreen->ForwardLink;\r
3011 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);\r
3012 Difference = SavedMenuOption->Skip - Difference;\r
3013 break;\r
3014 }\r
3015 }\r
3016 }\r
3017 //\r
3018 // Since we will act on this op-code in the next routine, and increment the\r
3019 // SkipValue, set the skips to one less than what is required.\r
3020 //\r
3021 SkipValue = Difference - 1;\r
3022\r
3023 } else {\r
3024 //\r
3025 // Since we will act on this op-code in the next routine, and increment the\r
3026 // SkipValue, set the skips to one less than what is required.\r
3027 //\r
3028 SkipValue = OldSkipValue + (Temp - BottomRow) - 1;\r
3029 }\r
3030 } else {\r
3031 if ((OldSkipValue + 1) == (INTN) SavedMenuOption->Skip) {\r
3032 TopOfScreen = TopOfScreen->ForwardLink;\r
3033 break;\r
3034 } else {\r
3035 SkipValue = OldSkipValue;\r
3036 }\r
3037 }\r
3038 //\r
3039 // If the op-code at the top of the screen is more than one line, let's not skip it yet\r
3040 // Let's set a skip flag to smoothly scroll the top of the screen.\r
3041 //\r
3042 if (SavedMenuOption->Skip > 1) {\r
3043 if (SavedMenuOption == NextMenuOption) {\r
3044 SkipValue = 0;\r
3045 } else {\r
3046 SkipValue++;\r
3047 }\r
3048 } else {\r
3049 SkipValue = 0;\r
3050 TopOfScreen = TopOfScreen->ForwardLink;\r
3051 }\r
3052 } while (SavedMenuOption->Skip == 0);\r
3053\r
3054 Repaint = TRUE;\r
3055 OldSkipValue = SkipValue;\r
3056 }\r
3057\r
3058 MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);\r
3059\r
3060 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
3061\r
3062 } else {\r
3063 SavedMenuOption = MenuOption;\r
3064 MenuOption = MENU_OPTION_FROM_LINK (NewPos);\r
3065 if (!IsSelectable (MenuOption)) {\r
3066 //\r
3067 // If we are at the end of the list and sitting on a text op, we need to more forward\r
3068 //\r
3069 ScreenOperation = UiUp;\r
3070 ControlFlag = CfScreenOperation;\r
3071 break;\r
3072 }\r
3073\r
3074 MenuOption = SavedMenuOption;\r
3075 //\r
3076 // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.\r
3077 //\r
3078 AdjustDateAndTimePosition (TRUE, &NewPos);\r
3079 }\r
3080 break;\r
3081\r
3082 case CfUiSave:\r
3083 ControlFlag = CfCheckSelection;\r
3084\r
3085 //\r
3086 // Submit the form\r
3087 //\r
3088 Status = SubmitForm (Selection->FormSet, Selection->Form);\r
3089\r
3090 if (!EFI_ERROR (Status)) {\r
3091 UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);\r
3092 UpdateStatusBar (NV_UPDATE_REQUIRED, MenuOption->ThisTag->QuestionFlags, FALSE);\r
3093 } else {\r
3094 do {\r
3095 CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gSaveFailed, gPressEnter, gEmptyString);\r
3096 } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r
3097\r
3098 Repaint = TRUE;\r
3099 NewLine = TRUE;\r
3100 }\r
3101 break;\r
3102\r
3103 case CfUiDefault:\r
3104 ControlFlag = CfCheckSelection;\r
8b0fc5c1 3105 if (!Selection->FormEditable) {\r
3106 //\r
3107 // This Form is not editable, ignore the F9 (reset to default)\r
3108 //\r
3109 break;\r
3110 }\r
7936fb6a 3111\r
3112 Status = ExtractFormDefault (Selection->FormSet, Selection->Form, DefaultId);\r
3113\r
3114 if (!EFI_ERROR (Status)) {\r
3115 Selection->Action = UI_ACTION_REFRESH_FORM;\r
ebe43565 3116 Selection->Statement = NULL;\r
7936fb6a 3117\r
3118 //\r
3119 // Show NV update flag on status bar\r
3120 //\r
3121 gNvUpdateRequired = TRUE;\r
3122 }\r
3123 break;\r
3124\r
3125 case CfUiNoOperation:\r
3126 ControlFlag = CfCheckSelection;\r
3127 break;\r
3128\r
3129 case CfExit:\r
3130 UiFreeRefreshList ();\r
3131\r
3132 gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r
3133 gST->ConOut->SetCursorPosition (gST->ConOut, 0, Row + 4);\r
3134 gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
3135 gST->ConOut->OutputString (gST->ConOut, L"\n");\r
3136\r
3137 return EFI_SUCCESS;\r
3138\r
3139 default:\r
3140 break;\r
3141 }\r
3142 }\r
3143}\r
EFI Development Kit II mirror for PVE