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93e3992d | 1 | /** @file |
2 | ||
3 | Copyright (c) 2004 - 2007, Intel Corporation | |
4 | All rights reserved. This program and the accompanying materials | |
5 | are licensed and made available under the terms and conditions of the BSD License | |
6 | which accompanies this distribution. The full text of the license may be found at | |
7 | http://opensource.org/licenses/bsd-license.php | |
8 | ||
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
11 | ||
12 | Module Name: | |
13 | ||
14 | Ui.c | |
15 | ||
16 | Abstract: | |
17 | ||
18 | Implementation for UI. | |
19 | ||
20 | Revision History | |
21 | ||
22 | ||
23 | **/ | |
24 | ||
25 | #include "Ui.h" | |
26 | #include "Setup.h" | |
27 | ||
28 | LIST_ENTRY Menu; | |
29 | LIST_ENTRY gMenuList; | |
30 | MENU_REFRESH_ENTRY *gMenuRefreshHead; | |
31 | ||
32 | // | |
33 | // Search table for UiDisplayMenu() | |
34 | // | |
35 | SCAN_CODE_TO_SCREEN_OPERATION gScanCodeToOperation[] = { | |
36 | SCAN_UP, | |
37 | UiUp, | |
38 | SCAN_DOWN, | |
39 | UiDown, | |
40 | SCAN_PAGE_UP, | |
41 | UiPageUp, | |
42 | SCAN_PAGE_DOWN, | |
43 | UiPageDown, | |
44 | SCAN_ESC, | |
45 | UiReset, | |
46 | SCAN_F2, | |
47 | UiPrevious, | |
48 | SCAN_LEFT, | |
49 | UiLeft, | |
50 | SCAN_RIGHT, | |
51 | UiRight, | |
52 | SCAN_F9, | |
53 | UiDefault, | |
54 | SCAN_F10, | |
55 | UiSave | |
56 | }; | |
57 | ||
58 | SCREEN_OPERATION_T0_CONTROL_FLAG gScreenOperationToControlFlag[] = { | |
59 | UiNoOperation, | |
60 | CfUiNoOperation, | |
61 | UiDefault, | |
62 | CfUiDefault, | |
63 | UiSelect, | |
64 | CfUiSelect, | |
65 | UiUp, | |
66 | CfUiUp, | |
67 | UiDown, | |
68 | CfUiDown, | |
69 | UiLeft, | |
70 | CfUiLeft, | |
71 | UiRight, | |
72 | CfUiRight, | |
73 | UiReset, | |
74 | CfUiReset, | |
75 | UiSave, | |
76 | CfUiSave, | |
77 | UiPrevious, | |
78 | CfUiPrevious, | |
79 | UiPageUp, | |
80 | CfUiPageUp, | |
81 | UiPageDown, | |
82 | CfUiPageDown | |
83 | }; | |
84 | ||
85 | ||
86 | /** | |
87 | Set Buffer to Value for Size bytes. | |
88 | ||
89 | @param Buffer Memory to set. | |
90 | @param Size Number of bytes to set | |
91 | @param Value Value of the set operation. | |
92 | ||
93 | @return None | |
94 | ||
95 | **/ | |
96 | VOID | |
97 | SetUnicodeMem ( | |
98 | IN VOID *Buffer, | |
99 | IN UINTN Size, | |
100 | IN CHAR16 Value | |
101 | ) | |
102 | { | |
103 | CHAR16 *Ptr; | |
104 | ||
105 | Ptr = Buffer; | |
106 | while (Size--) { | |
107 | *(Ptr++) = Value; | |
108 | } | |
109 | } | |
110 | ||
111 | ||
112 | /** | |
113 | Initialize Menu option list. | |
114 | ||
115 | None. | |
116 | ||
117 | @return None. | |
118 | ||
119 | **/ | |
120 | VOID | |
121 | UiInitMenu ( | |
122 | VOID | |
123 | ) | |
124 | { | |
125 | InitializeListHead (&Menu); | |
126 | } | |
127 | ||
128 | ||
129 | /** | |
130 | Initialize Menu option list. | |
131 | ||
132 | None. | |
133 | ||
134 | @return None. | |
135 | ||
136 | **/ | |
137 | VOID | |
138 | UiInitMenuList ( | |
139 | VOID | |
140 | ) | |
141 | { | |
142 | InitializeListHead (&gMenuList); | |
143 | } | |
144 | ||
145 | ||
146 | /** | |
147 | Remove a Menu in list, and return FormId/QuestionId for previous Menu. | |
148 | ||
149 | @param Selection Menu selection. | |
150 | ||
151 | @return None. | |
152 | ||
153 | **/ | |
154 | VOID | |
155 | UiRemoveMenuListEntry ( | |
156 | IN OUT UI_MENU_SELECTION *Selection | |
157 | ) | |
158 | { | |
159 | UI_MENU_LIST *UiMenuList; | |
160 | ||
161 | if (!IsListEmpty (&gMenuList)) { | |
162 | UiMenuList = CR (gMenuList.ForwardLink, UI_MENU_LIST, MenuLink, UI_MENU_LIST_SIGNATURE); | |
163 | ||
164 | Selection->FormId = UiMenuList->FormId; | |
165 | Selection->QuestionId = UiMenuList->QuestionId; | |
166 | RemoveEntryList (&UiMenuList->MenuLink); | |
167 | gBS->FreePool (UiMenuList); | |
168 | } | |
169 | } | |
170 | ||
171 | ||
172 | /** | |
173 | Free Menu option linked list. | |
174 | ||
175 | None. | |
176 | ||
177 | @return None. | |
178 | ||
179 | **/ | |
180 | VOID | |
181 | UiFreeMenuList ( | |
182 | VOID | |
183 | ) | |
184 | { | |
185 | UI_MENU_LIST *UiMenuList; | |
186 | ||
187 | while (!IsListEmpty (&gMenuList)) { | |
188 | UiMenuList = CR (gMenuList.ForwardLink, UI_MENU_LIST, MenuLink, UI_MENU_LIST_SIGNATURE); | |
189 | RemoveEntryList (&UiMenuList->MenuLink); | |
190 | gBS->FreePool (UiMenuList); | |
191 | } | |
192 | } | |
193 | ||
194 | ||
195 | /** | |
196 | Add one menu entry to the linked lst | |
197 | ||
198 | @param Selection Menu selection. | |
199 | ||
200 | @return None. | |
201 | ||
202 | **/ | |
203 | VOID | |
204 | UiAddMenuListEntry ( | |
205 | IN UI_MENU_SELECTION *Selection | |
206 | ) | |
207 | { | |
208 | UI_MENU_LIST *UiMenuList; | |
209 | ||
210 | UiMenuList = AllocateZeroPool (sizeof (UI_MENU_LIST)); | |
211 | ASSERT (UiMenuList != NULL); | |
212 | ||
213 | UiMenuList->Signature = UI_MENU_LIST_SIGNATURE; | |
214 | UiMenuList->FormId = Selection->FormId; | |
215 | UiMenuList->QuestionId = Selection->QuestionId; | |
216 | ||
217 | InsertHeadList (&gMenuList, &UiMenuList->MenuLink); | |
218 | } | |
219 | ||
220 | ||
221 | /** | |
222 | Free Menu option linked list. | |
223 | ||
224 | None. | |
225 | ||
226 | @return None. | |
227 | ||
228 | **/ | |
229 | VOID | |
230 | UiFreeMenu ( | |
231 | VOID | |
232 | ) | |
233 | { | |
234 | UI_MENU_OPTION *MenuOption; | |
235 | ||
236 | while (!IsListEmpty (&Menu)) { | |
237 | MenuOption = MENU_OPTION_FROM_LINK (Menu.ForwardLink); | |
238 | RemoveEntryList (&MenuOption->Link); | |
239 | ||
240 | // | |
241 | // We allocated space for this description when we did a GetToken, free it here | |
242 | // | |
243 | if (MenuOption->Skip != 0) { | |
244 | // | |
245 | // For date/time, MenuOption->Description is shared by three Menu Options | |
246 | // Data format : [01/02/2004] [11:22:33] | |
247 | // Line number : 0 0 1 0 0 1 | |
248 | // | |
249 | gBS->FreePool (MenuOption->Description); | |
250 | } | |
251 | gBS->FreePool (MenuOption); | |
252 | } | |
253 | } | |
254 | ||
255 | ||
256 | /** | |
257 | Free Menu option linked list. | |
258 | ||
259 | None. | |
260 | ||
261 | @return None. | |
262 | ||
263 | **/ | |
264 | VOID | |
265 | UiFreeRefreshList ( | |
266 | VOID | |
267 | ) | |
268 | { | |
269 | MENU_REFRESH_ENTRY *OldMenuRefreshEntry; | |
270 | ||
271 | while (gMenuRefreshHead != NULL) { | |
272 | OldMenuRefreshEntry = gMenuRefreshHead->Next; | |
273 | gBS->FreePool (gMenuRefreshHead); | |
274 | gMenuRefreshHead = OldMenuRefreshEntry; | |
275 | } | |
276 | ||
277 | gMenuRefreshHead = NULL; | |
278 | } | |
279 | ||
280 | ||
281 | ||
282 | /** | |
283 | Refresh screen. | |
284 | ||
285 | None. | |
286 | ||
287 | @return None. | |
288 | ||
289 | **/ | |
290 | VOID | |
291 | RefreshForm ( | |
292 | VOID | |
293 | ) | |
294 | { | |
295 | CHAR16 *OptionString; | |
296 | MENU_REFRESH_ENTRY *MenuRefreshEntry; | |
297 | UINTN Index; | |
298 | UINTN Loop; | |
299 | EFI_STATUS Status; | |
300 | UI_MENU_SELECTION *Selection; | |
301 | FORM_BROWSER_STATEMENT *Question; | |
302 | ||
303 | OptionString = NULL; | |
304 | ||
305 | if (gMenuRefreshHead != NULL) { | |
306 | ||
307 | MenuRefreshEntry = gMenuRefreshHead; | |
308 | ||
309 | do { | |
310 | gST->ConOut->SetAttribute (gST->ConOut, MenuRefreshEntry->CurrentAttribute); | |
311 | ||
312 | Selection = MenuRefreshEntry->Selection; | |
313 | Question = MenuRefreshEntry->MenuOption->ThisTag; | |
314 | ||
315 | // | |
316 | // Don't update Question being edited | |
317 | // | |
318 | if (Question != MenuRefreshEntry->Selection->Statement) { | |
319 | ||
320 | Status = GetQuestionValue (Selection->FormSet, Selection->Form, Question, FALSE); | |
321 | if (EFI_ERROR (Status)) { | |
322 | return; | |
323 | } | |
324 | ||
325 | ProcessOptions (Selection, MenuRefreshEntry->MenuOption, FALSE, &OptionString); | |
326 | ||
327 | if (OptionString != NULL) { | |
328 | // | |
329 | // If leading spaces on OptionString - remove the spaces | |
330 | // | |
331 | for (Index = 0; OptionString[Index] == L' '; Index++) | |
332 | ; | |
333 | ||
334 | for (Loop = 0; OptionString[Index] != CHAR_NULL; Index++) { | |
335 | OptionString[Loop] = OptionString[Index]; | |
336 | Loop++; | |
337 | } | |
338 | ||
339 | OptionString[Loop] = CHAR_NULL; | |
340 | ||
341 | PrintStringAt (MenuRefreshEntry->CurrentColumn, MenuRefreshEntry->CurrentRow, OptionString); | |
342 | gBS->FreePool (OptionString); | |
343 | } | |
344 | } | |
345 | ||
346 | MenuRefreshEntry = MenuRefreshEntry->Next; | |
347 | ||
348 | } while (MenuRefreshEntry != NULL); | |
349 | } | |
350 | } | |
351 | ||
352 | ||
353 | /** | |
354 | Wait for a given event to fire, or for an optional timeout to expire. | |
355 | ||
356 | @param Event The event to wait for | |
357 | @param Timeout An optional timeout value in 100 ns units. | |
358 | @param RefreshInterval Menu refresh interval (in seconds). | |
359 | ||
360 | @retval EFI_SUCCESS Event fired before Timeout expired. | |
361 | @retval EFI_TIME_OUT Timout expired before Event fired. | |
362 | ||
363 | **/ | |
364 | EFI_STATUS | |
365 | UiWaitForSingleEvent ( | |
366 | IN EFI_EVENT Event, | |
367 | IN UINT64 Timeout, OPTIONAL | |
368 | IN UINT8 RefreshInterval OPTIONAL | |
369 | ) | |
370 | { | |
371 | EFI_STATUS Status; | |
372 | UINTN Index; | |
373 | EFI_EVENT TimerEvent; | |
374 | EFI_EVENT WaitList[2]; | |
375 | ||
376 | if (Timeout) { | |
377 | // | |
378 | // Create a timer event | |
379 | // | |
380 | Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent); | |
381 | if (!EFI_ERROR (Status)) { | |
382 | // | |
383 | // Set the timer event | |
384 | // | |
385 | gBS->SetTimer ( | |
386 | TimerEvent, | |
387 | TimerRelative, | |
388 | Timeout | |
389 | ); | |
390 | ||
391 | // | |
392 | // Wait for the original event or the timer | |
393 | // | |
394 | WaitList[0] = Event; | |
395 | WaitList[1] = TimerEvent; | |
396 | Status = gBS->WaitForEvent (2, WaitList, &Index); | |
397 | gBS->CloseEvent (TimerEvent); | |
398 | ||
399 | // | |
400 | // If the timer expired, change the return to timed out | |
401 | // | |
402 | if (!EFI_ERROR (Status) && Index == 1) { | |
403 | Status = EFI_TIMEOUT; | |
404 | } | |
405 | } | |
406 | } else { | |
407 | // | |
408 | // Update screen every second | |
409 | // | |
410 | if (RefreshInterval == 0) { | |
411 | Timeout = ONE_SECOND; | |
412 | } else { | |
413 | Timeout = RefreshInterval * ONE_SECOND; | |
414 | } | |
415 | ||
416 | do { | |
417 | Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent); | |
418 | ||
419 | // | |
420 | // Set the timer event | |
421 | // | |
422 | gBS->SetTimer ( | |
423 | TimerEvent, | |
424 | TimerRelative, | |
425 | Timeout | |
426 | ); | |
427 | ||
428 | // | |
429 | // Wait for the original event or the timer | |
430 | // | |
431 | WaitList[0] = Event; | |
432 | WaitList[1] = TimerEvent; | |
433 | Status = gBS->WaitForEvent (2, WaitList, &Index); | |
434 | ||
435 | // | |
436 | // If the timer expired, update anything that needs a refresh and keep waiting | |
437 | // | |
438 | if (!EFI_ERROR (Status) && Index == 1) { | |
439 | Status = EFI_TIMEOUT; | |
440 | if (RefreshInterval != 0) { | |
441 | RefreshForm (); | |
442 | } | |
443 | } | |
444 | ||
445 | gBS->CloseEvent (TimerEvent); | |
446 | } while (Status == EFI_TIMEOUT); | |
447 | } | |
448 | ||
449 | return Status; | |
450 | } | |
451 | ||
452 | ||
453 | /** | |
454 | Add one menu option by specified description and context. | |
455 | ||
456 | @param String String description for this option. | |
457 | @param Handle Hii handle for the package list. | |
458 | @param Statement Statement of this Menu Option. | |
459 | @param NumberOfLines Display lines for this Menu Option. | |
460 | @param MenuItemCount The index for this Option in the Menu. | |
461 | ||
462 | @return None. | |
463 | ||
464 | **/ | |
465 | VOID | |
466 | UiAddMenuOption ( | |
467 | IN CHAR16 *String, | |
468 | IN EFI_HII_HANDLE Handle, | |
469 | IN FORM_BROWSER_STATEMENT *Statement, | |
470 | IN UINT16 NumberOfLines, | |
471 | IN UINT16 MenuItemCount | |
472 | ) | |
473 | { | |
474 | UI_MENU_OPTION *MenuOption; | |
475 | UINTN Index; | |
476 | UINTN Count; | |
477 | ||
478 | Count = 1; | |
479 | ||
480 | if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) { | |
481 | // | |
482 | // Add three MenuOptions for Date/Time | |
483 | // Data format : [01/02/2004] [11:22:33] | |
484 | // Line number : 0 0 1 0 0 1 | |
485 | // | |
486 | NumberOfLines = 0; | |
487 | Count = 3; | |
488 | ||
489 | if (Statement->Storage == NULL) { | |
490 | // | |
491 | // For RTC type of date/time, set default refresh interval to be 1 second | |
492 | // | |
493 | if (Statement->RefreshInterval == 0) { | |
494 | Statement->RefreshInterval = 1; | |
495 | } | |
496 | } | |
497 | } | |
498 | ||
499 | for (Index = 0; Index < Count; Index++) { | |
500 | MenuOption = AllocateZeroPool (sizeof (UI_MENU_OPTION)); | |
501 | ASSERT (MenuOption); | |
502 | ||
503 | MenuOption->Signature = UI_MENU_OPTION_SIGNATURE; | |
504 | MenuOption->Description = String; | |
505 | MenuOption->Handle = Handle; | |
506 | MenuOption->ThisTag = Statement; | |
507 | MenuOption->EntryNumber = MenuItemCount; | |
508 | ||
509 | if (Index == 2) { | |
510 | // | |
511 | // Override LineNumber for the MenuOption in Date/Time sequence | |
512 | // | |
513 | MenuOption->Skip = 1; | |
514 | } else { | |
515 | MenuOption->Skip = NumberOfLines; | |
516 | } | |
517 | MenuOption->Sequence = Index; | |
518 | ||
519 | if (Statement->GrayOutExpression != NULL) { | |
520 | MenuOption->GrayOut = Statement->GrayOutExpression->Result.Value.b; | |
521 | } | |
522 | ||
523 | if ((Statement->ValueExpression != NULL) || | |
524 | (Statement->QuestionFlags & EFI_IFR_FLAG_READ_ONLY)) { | |
525 | MenuOption->ReadOnly = TRUE; | |
526 | } | |
527 | ||
528 | InsertTailList (&Menu, &MenuOption->Link); | |
529 | } | |
530 | } | |
531 | ||
532 | ||
533 | /** | |
534 | Routine used to abstract a generic dialog interface and return the selected key or string | |
535 | ||
536 | @param NumberOfLines The number of lines for the dialog box | |
537 | @param HotKey Defines whether a single character is parsed | |
538 | (TRUE) and returned in KeyValue or a string is | |
539 | returned in StringBuffer. Two special characters | |
540 | are considered when entering a string, a SCAN_ESC | |
541 | and an CHAR_CARRIAGE_RETURN. SCAN_ESC terminates | |
542 | string input and returns | |
543 | @param MaximumStringSize The maximum size in bytes of a typed in string | |
544 | (each character is a CHAR16) and the minimum | |
545 | string returned is two bytes | |
546 | @param StringBuffer The passed in pointer to the buffer which will | |
547 | hold the typed in string if HotKey is FALSE | |
548 | @param KeyValue The EFI_KEY value returned if HotKey is TRUE.. | |
549 | @param String Pointer to the first string in the list | |
550 | @param ... A series of (quantity == NumberOfLines) text | |
551 | strings which will be used to construct the dialog | |
552 | box | |
553 | ||
554 | @retval EFI_SUCCESS Displayed dialog and received user interaction | |
555 | @retval EFI_INVALID_PARAMETER One of the parameters was invalid (e.g. | |
556 | (StringBuffer == NULL) && (HotKey == FALSE)) | |
557 | @retval EFI_DEVICE_ERROR User typed in an ESC character to exit the routine | |
558 | ||
559 | **/ | |
560 | EFI_STATUS | |
561 | CreateDialog ( | |
562 | IN UINTN NumberOfLines, | |
563 | IN BOOLEAN HotKey, | |
564 | IN UINTN MaximumStringSize, | |
565 | OUT CHAR16 *StringBuffer, | |
566 | OUT EFI_INPUT_KEY *KeyValue, | |
567 | IN CHAR16 *String, | |
568 | ... | |
569 | ) | |
570 | { | |
571 | VA_LIST Marker; | |
572 | UINTN Count; | |
573 | EFI_INPUT_KEY Key; | |
574 | UINTN LargestString; | |
575 | CHAR16 *TempString; | |
576 | CHAR16 *BufferedString; | |
577 | CHAR16 *StackString; | |
578 | CHAR16 KeyPad[2]; | |
579 | UINTN Start; | |
580 | UINTN Top; | |
581 | UINTN Index; | |
582 | EFI_STATUS Status; | |
583 | BOOLEAN SelectionComplete; | |
584 | UINTN InputOffset; | |
585 | UINTN CurrentAttribute; | |
586 | UINTN DimensionsWidth; | |
587 | UINTN DimensionsHeight; | |
588 | ||
589 | DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn; | |
590 | DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow; | |
591 | ||
592 | SelectionComplete = FALSE; | |
593 | InputOffset = 0; | |
594 | TempString = AllocateZeroPool (MaximumStringSize * 2); | |
595 | BufferedString = AllocateZeroPool (MaximumStringSize * 2); | |
596 | CurrentAttribute = gST->ConOut->Mode->Attribute; | |
597 | ||
598 | ASSERT (TempString); | |
599 | ASSERT (BufferedString); | |
600 | ||
601 | VA_START (Marker, String); | |
602 | ||
603 | // | |
604 | // Zero the outgoing buffer | |
605 | // | |
606 | ZeroMem (StringBuffer, MaximumStringSize); | |
607 | ||
608 | if (HotKey) { | |
609 | if (KeyValue == NULL) { | |
610 | return EFI_INVALID_PARAMETER; | |
611 | } | |
612 | } else { | |
613 | if (StringBuffer == NULL) { | |
614 | return EFI_INVALID_PARAMETER; | |
615 | } | |
616 | } | |
617 | // | |
618 | // Disable cursor | |
619 | // | |
620 | gST->ConOut->EnableCursor (gST->ConOut, FALSE); | |
621 | ||
622 | LargestString = (GetStringWidth (String) / 2); | |
623 | ||
624 | if (*String == L' ') { | |
625 | InputOffset = 1; | |
626 | } | |
627 | // | |
628 | // Determine the largest string in the dialog box | |
629 | // Notice we are starting with 1 since String is the first string | |
630 | // | |
631 | for (Count = 1; Count < NumberOfLines; Count++) { | |
632 | StackString = VA_ARG (Marker, CHAR16 *); | |
633 | ||
634 | if (StackString[0] == L' ') { | |
635 | InputOffset = Count + 1; | |
636 | } | |
637 | ||
638 | if ((GetStringWidth (StackString) / 2) > LargestString) { | |
639 | // | |
640 | // Size of the string visually and subtract the width by one for the null-terminator | |
641 | // | |
642 | LargestString = (GetStringWidth (StackString) / 2); | |
643 | } | |
644 | } | |
645 | ||
646 | Start = (DimensionsWidth - LargestString - 2) / 2 + gScreenDimensions.LeftColumn + 1; | |
647 | Top = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1; | |
648 | ||
649 | Count = 0; | |
650 | ||
651 | // | |
652 | // Display the Popup | |
653 | // | |
654 | CreateSharedPopUp (LargestString, NumberOfLines, &String); | |
655 | ||
656 | // | |
657 | // Take the first key typed and report it back? | |
658 | // | |
659 | if (HotKey) { | |
660 | Status = WaitForKeyStroke (&Key); | |
661 | ASSERT_EFI_ERROR (Status); | |
662 | CopyMem (KeyValue, &Key, sizeof (EFI_INPUT_KEY)); | |
663 | ||
664 | } else { | |
665 | do { | |
666 | Status = WaitForKeyStroke (&Key); | |
667 | ||
668 | switch (Key.UnicodeChar) { | |
669 | case CHAR_NULL: | |
670 | switch (Key.ScanCode) { | |
671 | case SCAN_ESC: | |
672 | gBS->FreePool (TempString); | |
673 | gBS->FreePool (BufferedString); | |
674 | gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute); | |
675 | gST->ConOut->EnableCursor (gST->ConOut, TRUE); | |
676 | return EFI_DEVICE_ERROR; | |
677 | ||
678 | default: | |
679 | break; | |
680 | } | |
681 | ||
682 | break; | |
683 | ||
684 | case CHAR_CARRIAGE_RETURN: | |
685 | SelectionComplete = TRUE; | |
686 | gBS->FreePool (TempString); | |
687 | gBS->FreePool (BufferedString); | |
688 | gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute); | |
689 | gST->ConOut->EnableCursor (gST->ConOut, TRUE); | |
690 | return EFI_SUCCESS; | |
691 | break; | |
692 | ||
693 | case CHAR_BACKSPACE: | |
694 | if (StringBuffer[0] != CHAR_NULL) { | |
695 | for (Index = 0; StringBuffer[Index] != CHAR_NULL; Index++) { | |
696 | TempString[Index] = StringBuffer[Index]; | |
697 | } | |
698 | // | |
699 | // Effectively truncate string by 1 character | |
700 | // | |
701 | TempString[Index - 1] = CHAR_NULL; | |
702 | StrCpy (StringBuffer, TempString); | |
703 | } | |
704 | ||
705 | default: | |
706 | // | |
707 | // If it is the beginning of the string, don't worry about checking maximum limits | |
708 | // | |
709 | if ((StringBuffer[0] == CHAR_NULL) && (Key.UnicodeChar != CHAR_BACKSPACE)) { | |
710 | StrnCpy (StringBuffer, &Key.UnicodeChar, 1); | |
711 | StrnCpy (TempString, &Key.UnicodeChar, 1); | |
712 | } else if ((GetStringWidth (StringBuffer) < MaximumStringSize) && (Key.UnicodeChar != CHAR_BACKSPACE)) { | |
713 | KeyPad[0] = Key.UnicodeChar; | |
714 | KeyPad[1] = CHAR_NULL; | |
715 | StrCat (StringBuffer, KeyPad); | |
716 | StrCat (TempString, KeyPad); | |
717 | } | |
718 | // | |
719 | // If the width of the input string is now larger than the screen, we nee to | |
720 | // adjust the index to start printing portions of the string | |
721 | // | |
722 | SetUnicodeMem (BufferedString, LargestString, L' '); | |
723 | ||
724 | PrintStringAt (Start + 1, Top + InputOffset, BufferedString); | |
725 | ||
726 | if ((GetStringWidth (StringBuffer) / 2) > (DimensionsWidth - 2)) { | |
727 | Index = (GetStringWidth (StringBuffer) / 2) - DimensionsWidth + 2; | |
728 | } else { | |
729 | Index = 0; | |
730 | } | |
731 | ||
732 | for (Count = 0; Index + 1 < GetStringWidth (StringBuffer) / 2; Index++, Count++) { | |
733 | BufferedString[Count] = StringBuffer[Index]; | |
734 | } | |
735 | ||
736 | PrintStringAt (Start + 1, Top + InputOffset, BufferedString); | |
737 | break; | |
738 | } | |
739 | } while (!SelectionComplete); | |
740 | } | |
741 | ||
742 | gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute); | |
743 | gST->ConOut->EnableCursor (gST->ConOut, TRUE); | |
744 | return EFI_SUCCESS; | |
745 | } | |
746 | ||
747 | VOID | |
748 | CreateSharedPopUp ( | |
749 | IN UINTN RequestedWidth, | |
750 | IN UINTN NumberOfLines, | |
751 | IN CHAR16 **ArrayOfStrings | |
752 | ) | |
753 | { | |
754 | UINTN Index; | |
755 | UINTN Count; | |
756 | CHAR16 Character; | |
757 | UINTN Start; | |
758 | UINTN End; | |
759 | UINTN Top; | |
760 | UINTN Bottom; | |
761 | CHAR16 *String; | |
762 | UINTN DimensionsWidth; | |
763 | UINTN DimensionsHeight; | |
764 | ||
765 | DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn; | |
766 | DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow; | |
767 | ||
768 | Count = 0; | |
769 | ||
770 | gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND); | |
771 | ||
772 | if ((RequestedWidth + 2) > DimensionsWidth) { | |
773 | RequestedWidth = DimensionsWidth - 2; | |
774 | } | |
775 | ||
776 | // | |
777 | // Subtract the PopUp width from total Columns, allow for one space extra on | |
778 | // each end plus a border. | |
779 | // | |
780 | Start = (DimensionsWidth - RequestedWidth - 2) / 2 + gScreenDimensions.LeftColumn + 1; | |
781 | End = Start + RequestedWidth + 1; | |
782 | ||
783 | Top = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1; | |
784 | Bottom = Top + NumberOfLines + 2; | |
785 | ||
786 | Character = BOXDRAW_DOWN_RIGHT; | |
787 | PrintCharAt (Start, Top, Character); | |
788 | Character = BOXDRAW_HORIZONTAL; | |
789 | for (Index = Start; Index + 2 < End; Index++) { | |
790 | PrintChar (Character); | |
791 | } | |
792 | ||
793 | Character = BOXDRAW_DOWN_LEFT; | |
794 | PrintChar (Character); | |
795 | Character = BOXDRAW_VERTICAL; | |
796 | for (Index = Top; Index + 2 < Bottom; Index++) { | |
797 | String = ArrayOfStrings[Count]; | |
798 | Count++; | |
799 | ||
800 | // | |
801 | // This will clear the background of the line - we never know who might have been | |
802 | // here before us. This differs from the next clear in that it used the non-reverse | |
803 | // video for normal printing. | |
804 | // | |
805 | if (GetStringWidth (String) / 2 > 1) { | |
806 | ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND); | |
807 | } | |
808 | ||
809 | // | |
810 | // Passing in a space results in the assumption that this is where typing will occur | |
811 | // | |
812 | if (String[0] == L' ') { | |
813 | ClearLines (Start + 1, End - 1, Index + 1, Index + 1, POPUP_INVERSE_TEXT | POPUP_INVERSE_BACKGROUND); | |
814 | } | |
815 | ||
816 | // | |
817 | // Passing in a NULL results in a blank space | |
818 | // | |
819 | if (String[0] == CHAR_NULL) { | |
820 | ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND); | |
821 | } | |
822 | ||
823 | PrintStringAt ( | |
824 | ((DimensionsWidth - GetStringWidth (String) / 2) / 2) + gScreenDimensions.LeftColumn + 1, | |
825 | Index + 1, | |
826 | String | |
827 | ); | |
828 | gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND); | |
829 | PrintCharAt (Start, Index + 1, Character); | |
830 | PrintCharAt (End - 1, Index + 1, Character); | |
831 | } | |
832 | ||
833 | Character = BOXDRAW_UP_RIGHT; | |
834 | PrintCharAt (Start, Bottom - 1, Character); | |
835 | Character = BOXDRAW_HORIZONTAL; | |
836 | for (Index = Start; Index + 2 < End; Index++) { | |
837 | PrintChar (Character); | |
838 | } | |
839 | ||
840 | Character = BOXDRAW_UP_LEFT; | |
841 | PrintChar (Character); | |
842 | } | |
843 | ||
844 | VOID | |
845 | CreatePopUp ( | |
846 | IN UINTN RequestedWidth, | |
847 | IN UINTN NumberOfLines, | |
848 | IN CHAR16 *ArrayOfStrings, | |
849 | ... | |
850 | ) | |
851 | { | |
852 | CreateSharedPopUp (RequestedWidth, NumberOfLines, &ArrayOfStrings); | |
853 | } | |
854 | ||
855 | ||
856 | /** | |
857 | Update status bar on the bottom of menu. | |
858 | ||
859 | @param MessageType The type of message to be shown. | |
860 | @param Flags The flags in Question header. | |
861 | @param State Set or clear. | |
862 | ||
863 | @return None. | |
864 | ||
865 | **/ | |
866 | VOID | |
867 | UpdateStatusBar ( | |
868 | IN UINTN MessageType, | |
869 | IN UINT8 Flags, | |
870 | IN BOOLEAN State | |
871 | ) | |
872 | { | |
873 | UINTN Index; | |
874 | STATIC BOOLEAN InputError; | |
875 | CHAR16 *NvUpdateMessage; | |
876 | CHAR16 *InputErrorMessage; | |
877 | ||
878 | NvUpdateMessage = GetToken (STRING_TOKEN (NV_UPDATE_MESSAGE), gHiiHandle); | |
879 | InputErrorMessage = GetToken (STRING_TOKEN (INPUT_ERROR_MESSAGE), gHiiHandle); | |
880 | ||
881 | switch (MessageType) { | |
882 | case INPUT_ERROR: | |
883 | if (State) { | |
884 | gST->ConOut->SetAttribute (gST->ConOut, ERROR_TEXT); | |
885 | PrintStringAt ( | |
886 | gScreenDimensions.LeftColumn + gPromptBlockWidth, | |
887 | gScreenDimensions.BottomRow - 1, | |
888 | InputErrorMessage | |
889 | ); | |
890 | InputError = TRUE; | |
891 | } else { | |
892 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT); | |
893 | for (Index = 0; Index < (GetStringWidth (InputErrorMessage) - 2) / 2; Index++) { | |
894 | PrintAt (gScreenDimensions.LeftColumn + gPromptBlockWidth + Index, gScreenDimensions.BottomRow - 1, L" "); | |
895 | } | |
896 | ||
897 | InputError = FALSE; | |
898 | } | |
899 | break; | |
900 | ||
901 | case NV_UPDATE_REQUIRED: | |
902 | if (gClassOfVfr != EFI_FRONT_PAGE_SUBCLASS) { | |
903 | if (State) { | |
904 | gST->ConOut->SetAttribute (gST->ConOut, INFO_TEXT); | |
905 | PrintStringAt ( | |
906 | gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth, | |
907 | gScreenDimensions.BottomRow - 1, | |
908 | NvUpdateMessage | |
909 | ); | |
910 | gResetRequired = (BOOLEAN) (gResetRequired | ((Flags & EFI_IFR_FLAG_RESET_REQUIRED) == EFI_IFR_FLAG_RESET_REQUIRED)); | |
911 | ||
912 | gNvUpdateRequired = TRUE; | |
913 | } else { | |
914 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT); | |
915 | for (Index = 0; Index < (GetStringWidth (NvUpdateMessage) - 2) / 2; Index++) { | |
916 | PrintAt ( | |
917 | (gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + Index), | |
918 | gScreenDimensions.BottomRow - 1, | |
919 | L" " | |
920 | ); | |
921 | } | |
922 | ||
923 | gNvUpdateRequired = FALSE; | |
924 | } | |
925 | } | |
926 | break; | |
927 | ||
928 | case REFRESH_STATUS_BAR: | |
929 | if (InputError) { | |
930 | UpdateStatusBar (INPUT_ERROR, Flags, TRUE); | |
931 | } | |
932 | ||
933 | if (gNvUpdateRequired) { | |
934 | UpdateStatusBar (NV_UPDATE_REQUIRED, Flags, TRUE); | |
935 | } | |
936 | break; | |
937 | ||
938 | default: | |
939 | break; | |
940 | } | |
941 | ||
942 | gBS->FreePool (InputErrorMessage); | |
943 | gBS->FreePool (NvUpdateMessage); | |
944 | return ; | |
945 | } | |
946 | ||
947 | ||
948 | /** | |
949 | Get the supported width for a particular op-code | |
950 | ||
951 | @param Statement The FORM_BROWSER_STATEMENT structure passed in. | |
952 | @param Handle The handle in the HII database being used | |
953 | ||
954 | @return Returns the number of CHAR16 characters that is support. | |
955 | ||
956 | **/ | |
957 | UINT16 | |
958 | GetWidth ( | |
959 | IN FORM_BROWSER_STATEMENT *Statement, | |
960 | IN EFI_HII_HANDLE Handle | |
961 | ) | |
962 | { | |
963 | CHAR16 *String; | |
964 | UINTN Size; | |
965 | UINT16 Width; | |
966 | ||
967 | Size = 0; | |
968 | ||
969 | // | |
970 | // See if the second text parameter is really NULL | |
971 | // | |
972 | if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) { | |
973 | String = GetToken (Statement->TextTwo, Handle); | |
974 | Size = StrLen (String); | |
975 | gBS->FreePool (String); | |
976 | } | |
977 | ||
978 | if ((Statement->Operand == EFI_IFR_SUBTITLE_OP) || | |
979 | (Statement->Operand == EFI_IFR_REF_OP) || | |
980 | (Statement->Operand == EFI_IFR_PASSWORD_OP) || | |
981 | (Statement->Operand == EFI_IFR_ACTION_OP) || | |
982 | (Statement->Operand == EFI_IFR_RESET_BUTTON_OP) || | |
983 | // | |
984 | // Allow a wide display if text op-code and no secondary text op-code | |
985 | // | |
986 | ((Statement->Operand == EFI_IFR_TEXT_OP) && (Size == 0)) | |
987 | ) { | |
988 | Width = (UINT16) (gPromptBlockWidth + gOptionBlockWidth); | |
989 | } else { | |
990 | Width = (UINT16) gPromptBlockWidth; | |
991 | } | |
992 | ||
993 | if (Statement->InSubtitle) { | |
994 | Width -= SUBTITLE_INDENT; | |
995 | } | |
996 | ||
997 | return Width; | |
998 | } | |
999 | ||
1000 | ||
1001 | /** | |
1002 | Will copy LineWidth amount of a string in the OutputString buffer and return the | |
1003 | number of CHAR16 characters that were copied into the OutputString buffer. | |
1004 | ||
1005 | @param InputString String description for this option. | |
1006 | @param LineWidth Width of the desired string to extract in CHAR16 | |
1007 | characters | |
1008 | @param Index Where in InputString to start the copy process | |
1009 | @param OutputString Buffer to copy the string into | |
1010 | ||
1011 | @return Returns the number of CHAR16 characters that were copied into the OutputString buffer. | |
1012 | ||
1013 | **/ | |
1014 | UINT16 | |
1015 | GetLineByWidth ( | |
1016 | IN CHAR16 *InputString, | |
1017 | IN UINT16 LineWidth, | |
1018 | IN OUT UINTN *Index, | |
1019 | OUT CHAR16 **OutputString | |
1020 | ) | |
1021 | { | |
1022 | static BOOLEAN Finished; | |
1023 | UINT16 Count; | |
1024 | UINT16 Count2; | |
1025 | ||
1026 | if (Finished) { | |
1027 | Finished = FALSE; | |
1028 | return (UINT16) 0; | |
1029 | } | |
1030 | ||
1031 | Count = LineWidth; | |
1032 | Count2 = 0; | |
1033 | ||
1034 | *OutputString = AllocateZeroPool (((UINTN) (LineWidth + 1) * 2)); | |
1035 | ||
1036 | // | |
1037 | // Ensure we have got a valid buffer | |
1038 | // | |
1039 | if (*OutputString != NULL) { | |
1040 | ||
1041 | // | |
1042 | //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. | |
1043 | //To avoid displaying this empty line in screen, just skip the two CHARs here. | |
1044 | // | |
1045 | if ((InputString[*Index] == NARROW_CHAR) && (InputString[*Index + 1] == CHAR_CARRIAGE_RETURN)) { | |
1046 | *Index = *Index + 2; | |
1047 | } | |
1048 | ||
1049 | // | |
1050 | // Fast-forward the string and see if there is a carriage-return in the string | |
1051 | // | |
1052 | for (; (InputString[*Index + Count2] != CHAR_CARRIAGE_RETURN) && (Count2 != LineWidth); Count2++) | |
1053 | ; | |
1054 | ||
1055 | // | |
1056 | // Copy the desired LineWidth of data to the output buffer. | |
1057 | // Also make sure that we don't copy more than the string. | |
1058 | // Also make sure that if there are linefeeds, we account for them. | |
1059 | // | |
1060 | if ((StrSize (&InputString[*Index]) <= ((UINTN) (LineWidth + 1) * 2)) && | |
1061 | (StrSize (&InputString[*Index]) <= ((UINTN) (Count2 + 1) * 2)) | |
1062 | ) { | |
1063 | // | |
1064 | // Convert to CHAR16 value and show that we are done with this operation | |
1065 | // | |
1066 | LineWidth = (UINT16) ((StrSize (&InputString[*Index]) - 2) / 2); | |
1067 | if (LineWidth != 0) { | |
1068 | Finished = TRUE; | |
1069 | } | |
1070 | } else { | |
1071 | if (Count2 == LineWidth) { | |
1072 | // | |
1073 | // Rewind the string from the maximum size until we see a space to break the line | |
1074 | // | |
1075 | for (; (InputString[*Index + LineWidth] != CHAR_SPACE) && (LineWidth != 0); LineWidth--) | |
1076 | ; | |
1077 | if (LineWidth == 0) { | |
1078 | LineWidth = Count; | |
1079 | } | |
1080 | } else { | |
1081 | LineWidth = Count2; | |
1082 | } | |
1083 | } | |
1084 | ||
1085 | CopyMem (*OutputString, &InputString[*Index], LineWidth * 2); | |
1086 | ||
1087 | // | |
1088 | // If currently pointing to a space, increment the index to the first non-space character | |
1089 | // | |
1090 | for (; | |
1091 | (InputString[*Index + LineWidth] == CHAR_SPACE) || (InputString[*Index + LineWidth] == CHAR_CARRIAGE_RETURN); | |
1092 | (*Index)++ | |
1093 | ) | |
1094 | ; | |
1095 | *Index = (UINT16) (*Index + LineWidth); | |
1096 | return LineWidth; | |
1097 | } else { | |
1098 | return (UINT16) 0; | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | ||
1103 | /** | |
1104 | Update display lines for a Menu Option. | |
1105 | ||
1106 | @param MenuOption The MenuOption to be checked. | |
1107 | ||
1108 | @retval TRUE This Menu Option is selectable. | |
1109 | @retval FALSE This Menu Option could not be selected. | |
1110 | ||
1111 | **/ | |
1112 | VOID | |
1113 | UpdateOptionSkipLines ( | |
1114 | IN UI_MENU_SELECTION *Selection, | |
1115 | IN UI_MENU_OPTION *MenuOption, | |
1116 | IN CHAR16 **OptionalString, | |
1117 | IN UINTN SkipValue | |
1118 | ) | |
1119 | { | |
1120 | UINTN Index; | |
1121 | UINT16 Width; | |
1122 | UINTN Row; | |
1123 | UINTN OriginalRow; | |
1124 | CHAR16 *OutputString; | |
1125 | CHAR16 *OptionString; | |
1126 | ||
1127 | Row = 0; | |
1128 | OptionString = *OptionalString; | |
1129 | OutputString = NULL; | |
1130 | ||
1131 | ProcessOptions (Selection, MenuOption, FALSE, &OptionString); | |
1132 | ||
1133 | if (OptionString != NULL) { | |
1134 | Width = (UINT16) gOptionBlockWidth; | |
1135 | ||
1136 | OriginalRow = Row; | |
1137 | ||
1138 | for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) { | |
1139 | // | |
1140 | // If there is more string to process print on the next row and increment the Skip value | |
1141 | // | |
1142 | if (StrLen (&OptionString[Index])) { | |
1143 | if (SkipValue == 0) { | |
1144 | Row++; | |
1145 | // | |
1146 | // Since the Number of lines for this menu entry may or may not be reflected accurately | |
1147 | // since the prompt might be 1 lines and option might be many, and vice versa, we need to do | |
1148 | // some testing to ensure we are keeping this in-sync. | |
1149 | // | |
1150 | // If the difference in rows is greater than or equal to the skip value, increase the skip value | |
1151 | // | |
1152 | if ((Row - OriginalRow) >= MenuOption->Skip) { | |
1153 | MenuOption->Skip++; | |
1154 | } | |
1155 | } | |
1156 | } | |
1157 | ||
1158 | gBS->FreePool (OutputString); | |
1159 | if (SkipValue != 0) { | |
1160 | SkipValue--; | |
1161 | } | |
1162 | } | |
1163 | ||
1164 | Row = OriginalRow; | |
1165 | } | |
1166 | ||
1167 | *OptionalString = OptionString; | |
1168 | } | |
1169 | ||
1170 | ||
1171 | /** | |
1172 | Check whether this Menu Option could be highlighted. | |
1173 | ||
1174 | @param MenuOption The MenuOption to be checked. | |
1175 | ||
1176 | @retval TRUE This Menu Option is selectable. | |
1177 | @retval FALSE This Menu Option could not be selected. | |
1178 | ||
1179 | **/ | |
1180 | STATIC | |
1181 | BOOLEAN | |
1182 | IsSelectable ( | |
1183 | UI_MENU_OPTION *MenuOption | |
1184 | ) | |
1185 | { | |
1186 | if ((MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) || | |
1187 | MenuOption->GrayOut || MenuOption->ReadOnly) { | |
1188 | return FALSE; | |
1189 | } else { | |
1190 | return TRUE; | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | ||
1195 | /** | |
1196 | Determine if the menu is the last menu that can be selected. | |
1197 | ||
1198 | @param Direction the scroll direction. False is down. True is up. | |
1199 | ||
1200 | @return FALSE -- the menu isn't the last menu that can be selected. | |
1201 | @return TRUE -- the menu is the last menu that can be selected. | |
1202 | ||
1203 | **/ | |
1204 | STATIC | |
1205 | BOOLEAN | |
1206 | ValueIsScroll ( | |
1207 | IN BOOLEAN Direction, | |
1208 | IN LIST_ENTRY *CurrentPos | |
1209 | ) | |
1210 | { | |
1211 | LIST_ENTRY *Temp; | |
1212 | UI_MENU_OPTION *MenuOption; | |
1213 | ||
1214 | Temp = Direction ? CurrentPos->BackLink : CurrentPos->ForwardLink; | |
1215 | ||
1216 | if (Temp == &Menu) { | |
1217 | return TRUE; | |
1218 | } | |
1219 | ||
1220 | for (; Temp != &Menu; Temp = Direction ? Temp->BackLink : Temp->ForwardLink) { | |
1221 | MenuOption = MENU_OPTION_FROM_LINK (Temp); | |
1222 | if (IsSelectable (MenuOption)) { | |
1223 | return FALSE; | |
1224 | } | |
1225 | } | |
1226 | ||
1227 | return TRUE; | |
1228 | } | |
1229 | ||
1230 | ||
1231 | /** | |
1232 | Move to next selectable statement. | |
1233 | ||
1234 | @param GoUp The navigation direction. TRUE: up, FALSE: down. | |
1235 | @param CurrentPosition Current position. | |
1236 | ||
1237 | @return The row distance from current MenuOption to next selectable MenuOption. | |
1238 | ||
1239 | **/ | |
1240 | STATIC | |
1241 | INTN | |
1242 | MoveToNextStatement ( | |
1243 | IN BOOLEAN GoUp, | |
1244 | IN OUT LIST_ENTRY **CurrentPosition | |
1245 | ) | |
1246 | { | |
1247 | INTN Distance; | |
1248 | LIST_ENTRY *Pos; | |
1249 | BOOLEAN HitEnd; | |
1250 | UI_MENU_OPTION *NextMenuOption; | |
1251 | ||
1252 | Distance = 0; | |
1253 | Pos = *CurrentPosition; | |
1254 | HitEnd = FALSE; | |
1255 | ||
1256 | while (TRUE) { | |
1257 | NextMenuOption = MENU_OPTION_FROM_LINK (Pos); | |
1258 | if (IsSelectable (NextMenuOption)) { | |
1259 | break; | |
1260 | } | |
1261 | if ((GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) { | |
1262 | HitEnd = TRUE; | |
1263 | break; | |
1264 | } | |
1265 | Distance += NextMenuOption->Skip; | |
1266 | Pos = (GoUp ? Pos->BackLink : Pos->ForwardLink); | |
1267 | } | |
1268 | ||
1269 | if (HitEnd) { | |
1270 | // | |
1271 | // If we hit end there is still no statement can be focused, | |
1272 | // we go backwards to find the statement can be focused. | |
1273 | // | |
1274 | Distance = 0; | |
1275 | Pos = *CurrentPosition; | |
1276 | ||
1277 | while (TRUE) { | |
1278 | NextMenuOption = MENU_OPTION_FROM_LINK (Pos); | |
1279 | if (IsSelectable (NextMenuOption)) { | |
1280 | break; | |
1281 | } | |
1282 | if ((!GoUp ? Pos->BackLink : Pos->ForwardLink) == &Menu) { | |
1283 | ASSERT (FALSE); | |
1284 | break; | |
1285 | } | |
1286 | Distance -= NextMenuOption->Skip; | |
1287 | Pos = (!GoUp ? Pos->BackLink : Pos->ForwardLink); | |
1288 | } | |
1289 | } | |
1290 | ||
1291 | *CurrentPosition = &NextMenuOption->Link; | |
1292 | return Distance; | |
1293 | } | |
1294 | ||
1295 | ||
1296 | /** | |
1297 | Adjust Data and Time position accordingly. | |
1298 | Data format : [01/02/2004] [11:22:33] | |
1299 | Line number : 0 0 1 0 0 1 | |
1300 | ||
1301 | @param DirectionUp the up or down direction. False is down. True is | |
1302 | up. | |
1303 | @param CurrentPosition Current position. On return: Point to the last | |
1304 | Option (Year or Second) if up; Point to the first | |
1305 | Option (Month or Hour) if down. | |
1306 | ||
1307 | @return Return line number to pad. It is possible that we stand on a zero-advance | |
1308 | @return data or time opcode, so pad one line when we judge if we are going to scroll outside. | |
1309 | ||
1310 | **/ | |
1311 | STATIC | |
1312 | UINTN | |
1313 | AdjustDateAndTimePosition ( | |
1314 | IN BOOLEAN DirectionUp, | |
1315 | IN OUT LIST_ENTRY **CurrentPosition | |
1316 | ) | |
1317 | { | |
1318 | UINTN Count; | |
1319 | LIST_ENTRY *NewPosition; | |
1320 | UI_MENU_OPTION *MenuOption; | |
1321 | UINTN PadLineNumber; | |
1322 | ||
1323 | PadLineNumber = 0; | |
1324 | NewPosition = *CurrentPosition; | |
1325 | MenuOption = MENU_OPTION_FROM_LINK (NewPosition); | |
1326 | ||
1327 | if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || | |
1328 | (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) { | |
1329 | // | |
1330 | // Calculate the distance from current position to the last Date/Time MenuOption | |
1331 | // | |
1332 | Count = 0; | |
1333 | while (MenuOption->Skip == 0) { | |
1334 | Count++; | |
1335 | NewPosition = NewPosition->ForwardLink; | |
1336 | MenuOption = MENU_OPTION_FROM_LINK (NewPosition); | |
1337 | PadLineNumber = 1; | |
1338 | } | |
1339 | ||
1340 | NewPosition = *CurrentPosition; | |
1341 | if (DirectionUp) { | |
1342 | // | |
1343 | // Since the behavior of hitting the up arrow on a Date/Time MenuOption is intended | |
1344 | // to be one that back to the previous set of MenuOptions, we need to advance to the first | |
1345 | // Date/Time MenuOption and leave the remaining logic in CfUiUp intact so the appropriate | |
1346 | // checking can be done. | |
1347 | // | |
1348 | while (Count++ < 2) { | |
1349 | NewPosition = NewPosition->BackLink; | |
1350 | } | |
1351 | } else { | |
1352 | // | |
1353 | // Since the behavior of hitting the down arrow on a Date/Time MenuOption is intended | |
1354 | // to be one that progresses to the next set of MenuOptions, we need to advance to the last | |
1355 | // Date/Time MenuOption and leave the remaining logic in CfUiDown intact so the appropriate | |
1356 | // checking can be done. | |
1357 | // | |
1358 | while (Count-- > 0) { | |
1359 | NewPosition = NewPosition->ForwardLink; | |
1360 | } | |
1361 | } | |
1362 | ||
1363 | *CurrentPosition = NewPosition; | |
1364 | } | |
1365 | ||
1366 | return PadLineNumber; | |
1367 | } | |
1368 | ||
1369 | ||
1370 | /** | |
1371 | Display menu and wait for user to select one menu option, then return it. | |
1372 | If AutoBoot is enabled, then if user doesn't select any option, | |
1373 | after period of time, it will automatically return the first menu option. | |
1374 | ||
1375 | ||
1376 | @return Return the pointer of the menu which selected, | |
1377 | @return otherwise return NULL. | |
1378 | ||
1379 | **/ | |
1380 | EFI_STATUS | |
1381 | UiDisplayMenu ( | |
1382 | IN OUT UI_MENU_SELECTION *Selection | |
1383 | ) | |
1384 | { | |
1385 | INTN SkipValue; | |
1386 | INTN Difference; | |
1387 | INTN OldSkipValue; | |
1388 | UINTN DistanceValue; | |
1389 | UINTN Row; | |
1390 | UINTN Col; | |
1391 | UINTN Temp; | |
1392 | UINTN Temp2; | |
1393 | UINTN TopRow; | |
1394 | UINTN BottomRow; | |
1395 | UINTN OriginalRow; | |
1396 | UINTN Index; | |
1397 | UINT32 Count; | |
1398 | UINT16 Width; | |
1399 | CHAR16 *StringPtr; | |
1400 | CHAR16 *OptionString; | |
1401 | CHAR16 *OutputString; | |
1402 | CHAR16 *FormattedString; | |
1403 | CHAR16 YesResponse; | |
1404 | CHAR16 NoResponse; | |
1405 | BOOLEAN NewLine; | |
1406 | BOOLEAN Repaint; | |
1407 | BOOLEAN SavedValue; | |
1408 | EFI_STATUS Status; | |
1409 | EFI_INPUT_KEY Key; | |
1410 | LIST_ENTRY *Link; | |
1411 | LIST_ENTRY *NewPos; | |
1412 | LIST_ENTRY *TopOfScreen; | |
1413 | LIST_ENTRY *SavedListEntry; | |
1414 | UI_MENU_OPTION *MenuOption; | |
1415 | UI_MENU_OPTION *NextMenuOption; | |
1416 | UI_MENU_OPTION *SavedMenuOption; | |
1417 | UI_MENU_OPTION *PreviousMenuOption; | |
1418 | UI_CONTROL_FLAG ControlFlag; | |
1419 | EFI_SCREEN_DESCRIPTOR LocalScreen; | |
1420 | MENU_REFRESH_ENTRY *MenuRefreshEntry; | |
1421 | UI_SCREEN_OPERATION ScreenOperation; | |
1422 | UINT8 MinRefreshInterval; | |
1423 | UINTN BufferSize; | |
1424 | UINT16 DefaultId; | |
1425 | EFI_DEVICE_PATH_PROTOCOL *DevicePath; | |
1426 | FORM_BROWSER_STATEMENT *Statement; | |
1427 | ||
1428 | CopyMem (&LocalScreen, &gScreenDimensions, sizeof (EFI_SCREEN_DESCRIPTOR)); | |
1429 | ||
1430 | Status = EFI_SUCCESS; | |
1431 | FormattedString = NULL; | |
1432 | OptionString = NULL; | |
1433 | ScreenOperation = UiNoOperation; | |
1434 | NewLine = TRUE; | |
1435 | MinRefreshInterval = 0; | |
1436 | DefaultId = 0; | |
1437 | ||
1438 | OutputString = NULL; | |
1439 | gUpArrow = FALSE; | |
1440 | gDownArrow = FALSE; | |
1441 | SkipValue = 0; | |
1442 | OldSkipValue = 0; | |
1443 | MenuRefreshEntry = gMenuRefreshHead; | |
1444 | ||
1445 | NextMenuOption = NULL; | |
1446 | PreviousMenuOption = NULL; | |
1447 | SavedMenuOption = NULL; | |
1448 | ||
1449 | ZeroMem (&Key, sizeof (EFI_INPUT_KEY)); | |
1450 | ||
1451 | if (gClassOfVfr == EFI_FRONT_PAGE_SUBCLASS) { | |
1452 | TopRow = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT; | |
1453 | Row = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT; | |
1454 | } else { | |
1455 | TopRow = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT; | |
1456 | Row = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT; | |
1457 | } | |
1458 | ||
1459 | Col = LocalScreen.LeftColumn; | |
1460 | BottomRow = LocalScreen.BottomRow - STATUS_BAR_HEIGHT - FOOTER_HEIGHT - SCROLL_ARROW_HEIGHT - 1; | |
1461 | ||
1462 | Selection->TopRow = TopRow; | |
1463 | Selection->BottomRow = BottomRow; | |
1464 | Selection->PromptCol = Col; | |
1465 | Selection->OptionCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn; | |
1466 | Selection->Statement = NULL; | |
1467 | ||
1468 | TopOfScreen = Menu.ForwardLink; | |
1469 | Repaint = TRUE; | |
1470 | MenuOption = NULL; | |
1471 | ||
1472 | // | |
1473 | // Get user's selection | |
1474 | // | |
1475 | NewPos = Menu.ForwardLink; | |
1476 | ||
1477 | gST->ConOut->EnableCursor (gST->ConOut, FALSE); | |
1478 | UpdateStatusBar (REFRESH_STATUS_BAR, (UINT8) 0, TRUE); | |
1479 | ||
1480 | ControlFlag = CfInitialization; | |
1481 | Selection->Action = UI_ACTION_NONE; | |
1482 | while (TRUE) { | |
1483 | switch (ControlFlag) { | |
1484 | case CfInitialization: | |
1485 | if (IsListEmpty (&Menu)) { | |
1486 | ControlFlag = CfReadKey; | |
1487 | } else { | |
1488 | ControlFlag = CfCheckSelection; | |
1489 | } | |
1490 | break; | |
1491 | ||
1492 | case CfCheckSelection: | |
1493 | if (Selection->Action != UI_ACTION_NONE) { | |
1494 | ControlFlag = CfExit; | |
1495 | } else { | |
1496 | ControlFlag = CfRepaint; | |
1497 | } | |
1498 | break; | |
1499 | ||
1500 | case CfRepaint: | |
1501 | ControlFlag = CfRefreshHighLight; | |
1502 | ||
1503 | if (Repaint) { | |
1504 | // | |
1505 | // Display menu | |
1506 | // | |
1507 | gDownArrow = FALSE; | |
1508 | gUpArrow = FALSE; | |
1509 | Row = TopRow; | |
1510 | ||
1511 | Temp = SkipValue; | |
1512 | Temp2 = SkipValue; | |
1513 | ||
1514 | ClearLines ( | |
1515 | LocalScreen.LeftColumn, | |
1516 | LocalScreen.RightColumn, | |
1517 | TopRow - SCROLL_ARROW_HEIGHT, | |
1518 | BottomRow + SCROLL_ARROW_HEIGHT, | |
1519 | FIELD_TEXT | FIELD_BACKGROUND | |
1520 | ); | |
1521 | ||
1522 | UiFreeRefreshList (); | |
1523 | MinRefreshInterval = 0; | |
1524 | ||
1525 | for (Link = TopOfScreen; Link != &Menu; Link = Link->ForwardLink) { | |
1526 | MenuOption = MENU_OPTION_FROM_LINK (Link); | |
1527 | MenuOption->Row = Row; | |
1528 | MenuOption->Col = Col; | |
1529 | MenuOption->OptCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn; | |
1530 | ||
1531 | Statement = MenuOption->ThisTag; | |
1532 | if (Statement->InSubtitle) { | |
1533 | MenuOption->Col += SUBTITLE_INDENT; | |
1534 | } | |
1535 | ||
1536 | if (MenuOption->GrayOut) { | |
1537 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND); | |
1538 | } else { | |
1539 | if (Statement->Operand == EFI_IFR_SUBTITLE_OP) { | |
1540 | gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND); | |
1541 | } | |
1542 | } | |
1543 | ||
1544 | Width = GetWidth (Statement, MenuOption->Handle); | |
1545 | OriginalRow = Row; | |
1546 | ||
1547 | for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) { | |
1548 | if ((Temp == 0) && (Row <= BottomRow)) { | |
1549 | PrintStringAt (MenuOption->Col, Row, OutputString); | |
1550 | } | |
1551 | // | |
1552 | // If there is more string to process print on the next row and increment the Skip value | |
1553 | // | |
1554 | if (StrLen (&MenuOption->Description[Index])) { | |
1555 | if (Temp == 0) { | |
1556 | Row++; | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | gBS->FreePool (OutputString); | |
1561 | if (Temp != 0) { | |
1562 | Temp--; | |
1563 | } | |
1564 | } | |
1565 | ||
1566 | Temp = 0; | |
1567 | Row = OriginalRow; | |
1568 | ||
1569 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND); | |
1570 | ProcessOptions (Selection, MenuOption, FALSE, &OptionString); | |
1571 | ||
1572 | if (OptionString != NULL) { | |
1573 | if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) { | |
1574 | // | |
1575 | // If leading spaces on OptionString - remove the spaces | |
1576 | // | |
1577 | for (Index = 0; OptionString[Index] == L' '; Index++) { | |
1578 | MenuOption->OptCol++; | |
1579 | } | |
1580 | ||
1581 | for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) { | |
1582 | OptionString[Count] = OptionString[Index]; | |
1583 | Count++; | |
1584 | } | |
1585 | ||
1586 | OptionString[Count] = CHAR_NULL; | |
1587 | } | |
1588 | ||
1589 | // | |
1590 | // If Question request refresh, register the op-code | |
1591 | // | |
1592 | if (Statement->RefreshInterval != 0) { | |
1593 | // | |
1594 | // Menu will be refreshed at minimal interval of all Questions | |
1595 | // which have refresh request | |
1596 | // | |
1597 | if (MinRefreshInterval == 0 || Statement->RefreshInterval < MinRefreshInterval) { | |
1598 | MinRefreshInterval = Statement->RefreshInterval; | |
1599 | } | |
1600 | ||
1601 | if (gMenuRefreshHead == NULL) { | |
1602 | MenuRefreshEntry = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY)); | |
1603 | ASSERT (MenuRefreshEntry != NULL); | |
1604 | MenuRefreshEntry->MenuOption = MenuOption; | |
1605 | MenuRefreshEntry->Selection = Selection; | |
1606 | MenuRefreshEntry->CurrentColumn = MenuOption->OptCol; | |
1607 | MenuRefreshEntry->CurrentRow = MenuOption->Row; | |
1608 | MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND; | |
1609 | gMenuRefreshHead = MenuRefreshEntry; | |
1610 | } else { | |
1611 | // | |
1612 | // Advance to the last entry | |
1613 | // | |
1614 | for (MenuRefreshEntry = gMenuRefreshHead; | |
1615 | MenuRefreshEntry->Next != NULL; | |
1616 | MenuRefreshEntry = MenuRefreshEntry->Next | |
1617 | ) | |
1618 | ; | |
1619 | MenuRefreshEntry->Next = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY)); | |
1620 | ASSERT (MenuRefreshEntry->Next != NULL); | |
1621 | MenuRefreshEntry = MenuRefreshEntry->Next; | |
1622 | MenuRefreshEntry->MenuOption = MenuOption; | |
1623 | MenuRefreshEntry->Selection = Selection; | |
1624 | MenuRefreshEntry->CurrentColumn = MenuOption->OptCol; | |
1625 | MenuRefreshEntry->CurrentRow = MenuOption->Row; | |
1626 | MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND; | |
1627 | } | |
1628 | } | |
1629 | ||
1630 | Width = (UINT16) gOptionBlockWidth; | |
1631 | OriginalRow = Row; | |
1632 | ||
1633 | for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) { | |
1634 | if ((Temp2 == 0) && (Row <= BottomRow)) { | |
1635 | PrintStringAt (MenuOption->OptCol, Row, OutputString); | |
1636 | } | |
1637 | // | |
1638 | // If there is more string to process print on the next row and increment the Skip value | |
1639 | // | |
1640 | if (StrLen (&OptionString[Index])) { | |
1641 | if (Temp2 == 0) { | |
1642 | Row++; | |
1643 | // | |
1644 | // Since the Number of lines for this menu entry may or may not be reflected accurately | |
1645 | // since the prompt might be 1 lines and option might be many, and vice versa, we need to do | |
1646 | // some testing to ensure we are keeping this in-sync. | |
1647 | // | |
1648 | // If the difference in rows is greater than or equal to the skip value, increase the skip value | |
1649 | // | |
1650 | if ((Row - OriginalRow) >= MenuOption->Skip) { | |
1651 | MenuOption->Skip++; | |
1652 | } | |
1653 | } | |
1654 | } | |
1655 | ||
1656 | gBS->FreePool (OutputString); | |
1657 | if (Temp2 != 0) { | |
1658 | Temp2--; | |
1659 | } | |
1660 | } | |
1661 | ||
1662 | Temp2 = 0; | |
1663 | Row = OriginalRow; | |
1664 | ||
1665 | gBS->FreePool (OptionString); | |
1666 | } | |
1667 | // | |
1668 | // If this is a text op with secondary text information | |
1669 | // | |
1670 | if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) { | |
1671 | StringPtr = GetToken (Statement->TextTwo, MenuOption->Handle); | |
1672 | ||
1673 | Width = (UINT16) gOptionBlockWidth; | |
1674 | OriginalRow = Row; | |
1675 | ||
1676 | for (Index = 0; GetLineByWidth (StringPtr, Width, &Index, &OutputString) != 0x0000;) { | |
1677 | if ((Temp == 0) && (Row <= BottomRow)) { | |
1678 | PrintStringAt (MenuOption->OptCol, Row, OutputString); | |
1679 | } | |
1680 | // | |
1681 | // If there is more string to process print on the next row and increment the Skip value | |
1682 | // | |
1683 | if (StrLen (&StringPtr[Index])) { | |
1684 | if (Temp2 == 0) { | |
1685 | Row++; | |
1686 | // | |
1687 | // Since the Number of lines for this menu entry may or may not be reflected accurately | |
1688 | // since the prompt might be 1 lines and option might be many, and vice versa, we need to do | |
1689 | // some testing to ensure we are keeping this in-sync. | |
1690 | // | |
1691 | // If the difference in rows is greater than or equal to the skip value, increase the skip value | |
1692 | // | |
1693 | if ((Row - OriginalRow) >= MenuOption->Skip) { | |
1694 | MenuOption->Skip++; | |
1695 | } | |
1696 | } | |
1697 | } | |
1698 | ||
1699 | gBS->FreePool (OutputString); | |
1700 | if (Temp2 != 0) { | |
1701 | Temp2--; | |
1702 | } | |
1703 | } | |
1704 | ||
1705 | Row = OriginalRow; | |
1706 | gBS->FreePool (StringPtr); | |
1707 | } | |
1708 | ||
1709 | // | |
1710 | // Need to handle the bottom of the display | |
1711 | // | |
1712 | if (MenuOption->Skip > 1) { | |
1713 | Row += MenuOption->Skip - SkipValue; | |
1714 | SkipValue = 0; | |
1715 | } else { | |
1716 | Row += MenuOption->Skip; | |
1717 | } | |
1718 | ||
1719 | if (Row > BottomRow) { | |
1720 | if (!ValueIsScroll (FALSE, Link)) { | |
1721 | gDownArrow = TRUE; | |
1722 | } | |
1723 | ||
1724 | Row = BottomRow + 1; | |
1725 | break; | |
1726 | } | |
1727 | } | |
1728 | ||
1729 | if (!ValueIsScroll (TRUE, TopOfScreen)) { | |
1730 | gUpArrow = TRUE; | |
1731 | } | |
1732 | ||
1733 | if (gUpArrow) { | |
1734 | gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND); | |
1735 | PrintAt ( | |
1736 | LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1, | |
1737 | TopRow - SCROLL_ARROW_HEIGHT, | |
1738 | L"%c", | |
1739 | ARROW_UP | |
1740 | ); | |
1741 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND); | |
1742 | } | |
1743 | ||
1744 | if (gDownArrow) { | |
1745 | gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND); | |
1746 | PrintAt ( | |
1747 | LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1, | |
1748 | BottomRow + SCROLL_ARROW_HEIGHT, | |
1749 | L"%c", | |
1750 | ARROW_DOWN | |
1751 | ); | |
1752 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND); | |
1753 | } | |
1754 | ||
1755 | MenuOption = NULL; | |
1756 | } | |
1757 | break; | |
1758 | ||
1759 | case CfRefreshHighLight: | |
1760 | // | |
1761 | // MenuOption: Last menu option that need to remove hilight | |
1762 | // MenuOption is set to NULL in Repaint | |
1763 | // NewPos: Current menu option that need to hilight | |
1764 | // | |
1765 | ControlFlag = CfUpdateHelpString; | |
1766 | ||
1767 | // | |
1768 | // Repaint flag is normally reset when finish processing CfUpdateHelpString. Temporarily | |
1769 | // reset Repaint flag because we may break halfway and skip CfUpdateHelpString processing. | |
1770 | // | |
1771 | SavedValue = Repaint; | |
1772 | Repaint = FALSE; | |
1773 | ||
1774 | if (Selection->QuestionId != 0) { | |
1775 | NewPos = Menu.ForwardLink; | |
1776 | SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos); | |
1777 | ||
1778 | while (SavedMenuOption->ThisTag->QuestionId != Selection->QuestionId && NewPos->ForwardLink != &Menu) { | |
1779 | NewPos = NewPos->ForwardLink; | |
1780 | SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos); | |
1781 | } | |
1782 | if (SavedMenuOption->ThisTag->QuestionId == Selection->QuestionId) { | |
1783 | // | |
1784 | // Target Question found, find its MenuOption | |
1785 | // | |
1786 | Link = TopOfScreen; | |
1787 | ||
1788 | for (Index = TopRow; Index <= BottomRow && Link != NewPos;) { | |
1789 | SavedMenuOption = MENU_OPTION_FROM_LINK (Link); | |
1790 | Index += SavedMenuOption->Skip; | |
1791 | Link = Link->ForwardLink; | |
1792 | } | |
1793 | ||
1794 | if (Link != NewPos || Index > BottomRow) { | |
1795 | // | |
1796 | // NewPos is not in the current page, simply scroll page so that NewPos is in the end of the page | |
1797 | // | |
1798 | Link = NewPos; | |
1799 | for (Index = TopRow; Index <= BottomRow; ) { | |
1800 | Link = Link->BackLink; | |
1801 | SavedMenuOption = MENU_OPTION_FROM_LINK (Link); | |
1802 | Index += SavedMenuOption->Skip; | |
1803 | } | |
1804 | TopOfScreen = Link->ForwardLink; | |
1805 | ||
1806 | Repaint = TRUE; | |
1807 | NewLine = TRUE; | |
1808 | ControlFlag = CfRepaint; | |
1809 | break; | |
1810 | } | |
1811 | } else { | |
1812 | // | |
1813 | // Target Question not found, highlight the default menu option | |
1814 | // | |
1815 | NewPos = TopOfScreen; | |
1816 | } | |
1817 | ||
1818 | Selection->QuestionId = 0; | |
1819 | } | |
1820 | ||
1821 | if (NewPos != NULL && (MenuOption == NULL || NewPos != &MenuOption->Link)) { | |
1822 | if (MenuOption != NULL) { | |
1823 | // | |
1824 | // Remove highlight on last Menu Option | |
1825 | // | |
1826 | gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row); | |
1827 | ProcessOptions (Selection, MenuOption, FALSE, &OptionString); | |
1828 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND); | |
1829 | if (OptionString != NULL) { | |
1830 | if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || | |
1831 | (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP) | |
1832 | ) { | |
1833 | // | |
1834 | // If leading spaces on OptionString - remove the spaces | |
1835 | // | |
1836 | for (Index = 0; OptionString[Index] == L' '; Index++) | |
1837 | ; | |
1838 | ||
1839 | for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) { | |
1840 | OptionString[Count] = OptionString[Index]; | |
1841 | Count++; | |
1842 | } | |
1843 | ||
1844 | OptionString[Count] = CHAR_NULL; | |
1845 | } | |
1846 | ||
1847 | Width = (UINT16) gOptionBlockWidth; | |
1848 | OriginalRow = MenuOption->Row; | |
1849 | ||
1850 | for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) { | |
1851 | if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) { | |
1852 | PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString); | |
1853 | } | |
1854 | // | |
1855 | // If there is more string to process print on the next row and increment the Skip value | |
1856 | // | |
1857 | if (StrLen (&OptionString[Index])) { | |
1858 | MenuOption->Row++; | |
1859 | } | |
1860 | ||
1861 | gBS->FreePool (OutputString); | |
1862 | } | |
1863 | ||
1864 | MenuOption->Row = OriginalRow; | |
1865 | ||
1866 | gBS->FreePool (OptionString); | |
1867 | } else { | |
1868 | if (NewLine) { | |
1869 | if (MenuOption->GrayOut) { | |
1870 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND); | |
1871 | } else if (MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) { | |
1872 | gST->ConOut->SetAttribute (gST->ConOut, SUBTITLE_TEXT | FIELD_BACKGROUND); | |
1873 | } | |
1874 | ||
1875 | OriginalRow = MenuOption->Row; | |
1876 | Width = GetWidth (MenuOption->ThisTag, MenuOption->Handle); | |
1877 | ||
1878 | for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) { | |
1879 | if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) { | |
1880 | PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString); | |
1881 | } | |
1882 | // | |
1883 | // If there is more string to process print on the next row and increment the Skip value | |
1884 | // | |
1885 | if (StrLen (&MenuOption->Description[Index])) { | |
1886 | MenuOption->Row++; | |
1887 | } | |
1888 | ||
1889 | gBS->FreePool (OutputString); | |
1890 | } | |
1891 | ||
1892 | MenuOption->Row = OriginalRow; | |
1893 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND); | |
1894 | } | |
1895 | } | |
1896 | } | |
1897 | ||
1898 | // | |
1899 | // This is only possible if we entered this page and the first menu option is | |
1900 | // a "non-menu" item. In that case, force it UiDown | |
1901 | // | |
1902 | MenuOption = MENU_OPTION_FROM_LINK (NewPos); | |
1903 | if (!IsSelectable (MenuOption)) { | |
1904 | ASSERT (ScreenOperation == UiNoOperation); | |
1905 | ScreenOperation = UiDown; | |
1906 | ControlFlag = CfScreenOperation; | |
1907 | break; | |
1908 | } | |
1909 | ||
1910 | // | |
1911 | // This is the current selected statement | |
1912 | // | |
1913 | Statement = MenuOption->ThisTag; | |
1914 | Selection->Statement = Statement; | |
1915 | ||
1916 | // | |
1917 | // Set reverse attribute | |
1918 | // | |
1919 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT); | |
1920 | gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row); | |
1921 | ||
1922 | // | |
1923 | // Assuming that we have a refresh linked-list created, lets annotate the | |
1924 | // appropriate entry that we are highlighting with its new attribute. Just prior to this | |
1925 | // lets reset all of the entries' attribute so we do not get multiple highlights in he refresh | |
1926 | // | |
1927 | if (gMenuRefreshHead != NULL) { | |
1928 | for (MenuRefreshEntry = gMenuRefreshHead; MenuRefreshEntry != NULL; MenuRefreshEntry = MenuRefreshEntry->Next) { | |
1929 | MenuRefreshEntry->CurrentAttribute = FIELD_TEXT | FIELD_BACKGROUND; | |
1930 | if (MenuRefreshEntry->MenuOption == MenuOption) { | |
1931 | MenuRefreshEntry->CurrentAttribute = FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT; | |
1932 | } | |
1933 | } | |
1934 | } | |
1935 | ||
1936 | ProcessOptions (Selection, MenuOption, FALSE, &OptionString); | |
1937 | if (OptionString != NULL) { | |
1938 | if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) { | |
1939 | // | |
1940 | // If leading spaces on OptionString - remove the spaces | |
1941 | // | |
1942 | for (Index = 0; OptionString[Index] == L' '; Index++) | |
1943 | ; | |
1944 | ||
1945 | for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) { | |
1946 | OptionString[Count] = OptionString[Index]; | |
1947 | Count++; | |
1948 | } | |
1949 | ||
1950 | OptionString[Count] = CHAR_NULL; | |
1951 | } | |
1952 | Width = (UINT16) gOptionBlockWidth; | |
1953 | ||
1954 | OriginalRow = MenuOption->Row; | |
1955 | ||
1956 | for (Index = 0; GetLineByWidth (OptionString, Width, &Index, &OutputString) != 0x0000;) { | |
1957 | if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) { | |
1958 | PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString); | |
1959 | } | |
1960 | // | |
1961 | // If there is more string to process print on the next row and increment the Skip value | |
1962 | // | |
1963 | if (StrLen (&OptionString[Index])) { | |
1964 | MenuOption->Row++; | |
1965 | } | |
1966 | ||
1967 | gBS->FreePool (OutputString); | |
1968 | } | |
1969 | ||
1970 | MenuOption->Row = OriginalRow; | |
1971 | ||
1972 | gBS->FreePool (OptionString); | |
1973 | } else { | |
1974 | if (NewLine) { | |
1975 | OriginalRow = MenuOption->Row; | |
1976 | ||
1977 | Width = GetWidth (Statement, MenuOption->Handle); | |
1978 | ||
1979 | for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &Index, &OutputString) != 0x0000;) { | |
1980 | if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) { | |
1981 | PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString); | |
1982 | } | |
1983 | // | |
1984 | // If there is more string to process print on the next row and increment the Skip value | |
1985 | // | |
1986 | if (StrLen (&MenuOption->Description[Index])) { | |
1987 | MenuOption->Row++; | |
1988 | } | |
1989 | ||
1990 | gBS->FreePool (OutputString); | |
1991 | } | |
1992 | ||
1993 | MenuOption->Row = OriginalRow; | |
1994 | ||
1995 | } | |
1996 | } | |
1997 | ||
1998 | if (((NewPos->ForwardLink != &Menu) && (ScreenOperation == UiDown)) || | |
1999 | ((NewPos->BackLink != &Menu) && (ScreenOperation == UiUp)) || | |
2000 | (ScreenOperation == UiNoOperation) | |
2001 | ) { | |
2002 | UpdateKeyHelp (MenuOption, FALSE); | |
2003 | } | |
2004 | // | |
2005 | // Clear reverse attribute | |
2006 | // | |
2007 | gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND); | |
2008 | } | |
2009 | // | |
2010 | // Repaint flag will be used when process CfUpdateHelpString, so restore its value | |
2011 | // if we didn't break halfway when process CfRefreshHighLight. | |
2012 | // | |
2013 | Repaint = SavedValue; | |
2014 | break; | |
2015 | ||
2016 | case CfUpdateHelpString: | |
2017 | ControlFlag = CfPrepareToReadKey; | |
2018 | ||
2019 | if ((Repaint || NewLine) && (gClassOfVfr != EFI_GENERAL_APPLICATION_SUBCLASS)) { | |
2020 | // | |
2021 | // Don't print anything if it is a NULL help token | |
2022 | // | |
2023 | if (MenuOption->ThisTag->Help == 0) { | |
2024 | StringPtr = L"\0"; | |
2025 | } else { | |
2026 | StringPtr = GetToken (MenuOption->ThisTag->Help, MenuOption->Handle); | |
2027 | } | |
2028 | ||
2029 | ProcessHelpString (StringPtr, &FormattedString, BottomRow - TopRow); | |
2030 | ||
2031 | gST->ConOut->SetAttribute (gST->ConOut, HELP_TEXT | FIELD_BACKGROUND); | |
2032 | ||
2033 | for (Index = 0; Index < BottomRow - TopRow; Index++) { | |
2034 | // | |
2035 | // Pad String with spaces to simulate a clearing of the previous line | |
2036 | // | |
2037 | for (; GetStringWidth (&FormattedString[Index * gHelpBlockWidth * 2]) / 2 < gHelpBlockWidth;) { | |
2038 | StrCat (&FormattedString[Index * gHelpBlockWidth * 2], L" "); | |
2039 | } | |
2040 | ||
2041 | PrintStringAt ( | |
2042 | LocalScreen.RightColumn - gHelpBlockWidth, | |
2043 | Index + TopRow, | |
2044 | &FormattedString[Index * gHelpBlockWidth * 2] | |
2045 | ); | |
2046 | } | |
2047 | } | |
2048 | // | |
2049 | // Reset this flag every time we finish using it. | |
2050 | // | |
2051 | Repaint = FALSE; | |
2052 | NewLine = FALSE; | |
2053 | break; | |
2054 | ||
2055 | case CfPrepareToReadKey: | |
2056 | ControlFlag = CfReadKey; | |
2057 | ScreenOperation = UiNoOperation; | |
2058 | break; | |
2059 | ||
2060 | case CfReadKey: | |
2061 | ControlFlag = CfScreenOperation; | |
2062 | ||
2063 | // | |
2064 | // Wait for user's selection | |
2065 | // | |
2066 | do { | |
2067 | Status = UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, MinRefreshInterval); | |
2068 | } while (Status == EFI_TIMEOUT); | |
2069 | ||
2070 | if (Status == EFI_TIMEOUT) { | |
2071 | Key.UnicodeChar = CHAR_CARRIAGE_RETURN; | |
2072 | } else { | |
2073 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key); | |
2074 | // | |
2075 | // if we encounter error, continue to read another key in. | |
2076 | // | |
2077 | if (EFI_ERROR (Status)) { | |
2078 | ControlFlag = CfReadKey; | |
2079 | continue; | |
2080 | } | |
2081 | } | |
2082 | ||
2083 | if (IsListEmpty (&Menu) && Key.UnicodeChar != CHAR_NULL) { | |
2084 | // | |
2085 | // If the screen has no menu items, and the user didn't select UiPrevious, or UiReset | |
2086 | // | |
2087 | break; | |
2088 | } | |
2089 | ||
2090 | switch (Key.UnicodeChar) { | |
2091 | case CHAR_CARRIAGE_RETURN: | |
2092 | ScreenOperation = UiSelect; | |
2093 | gDirection = 0; | |
2094 | break; | |
2095 | ||
2096 | // | |
2097 | // We will push the adjustment of these numeric values directly to the input handler | |
2098 | // NOTE: we won't handle manual input numeric | |
2099 | // | |
2100 | case '+': | |
2101 | case '-': | |
2102 | Statement = MenuOption->ThisTag; | |
2103 | if ((Statement->Operand == EFI_IFR_DATE_OP) | |
2104 | || (Statement->Operand == EFI_IFR_TIME_OP) | |
2105 | || ((Statement->Operand == EFI_IFR_NUMERIC_OP) && (Statement->Step != 0)) | |
2106 | ){ | |
2107 | if (Key.UnicodeChar == '+') { | |
2108 | gDirection = SCAN_RIGHT; | |
2109 | } else { | |
2110 | gDirection = SCAN_LEFT; | |
2111 | } | |
2112 | Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString); | |
2113 | SafeFreePool (OptionString); | |
2114 | } | |
2115 | break; | |
2116 | ||
2117 | case '^': | |
2118 | ScreenOperation = UiUp; | |
2119 | break; | |
2120 | ||
2121 | case 'V': | |
2122 | case 'v': | |
2123 | ScreenOperation = UiDown; | |
2124 | break; | |
2125 | ||
2126 | case ' ': | |
2127 | if (gClassOfVfr != EFI_FRONT_PAGE_SUBCLASS) { | |
2128 | if (MenuOption->ThisTag->Operand == EFI_IFR_CHECKBOX_OP && !MenuOption->GrayOut) { | |
2129 | ScreenOperation = UiSelect; | |
2130 | } | |
2131 | } | |
2132 | break; | |
2133 | ||
2134 | case CHAR_NULL: | |
2135 | if (((Key.ScanCode == SCAN_F1) && ((gFunctionKeySetting & FUNCTION_ONE) != FUNCTION_ONE)) || | |
2136 | ((Key.ScanCode == SCAN_F2) && ((gFunctionKeySetting & FUNCTION_TWO) != FUNCTION_TWO)) || | |
2137 | ((Key.ScanCode == SCAN_F9) && ((gFunctionKeySetting & FUNCTION_NINE) != FUNCTION_NINE)) || | |
2138 | ((Key.ScanCode == SCAN_F10) && ((gFunctionKeySetting & FUNCTION_TEN) != FUNCTION_TEN)) | |
2139 | ) { | |
2140 | // | |
2141 | // If the function key has been disabled, just ignore the key. | |
2142 | // | |
2143 | } else { | |
2144 | for (Index = 0; Index < sizeof (gScanCodeToOperation) / sizeof (gScanCodeToOperation[0]); Index++) { | |
2145 | if (Key.ScanCode == gScanCodeToOperation[Index].ScanCode) { | |
2146 | if (Key.ScanCode == SCAN_F9) { | |
2147 | // | |
2148 | // Reset to standard default | |
2149 | // | |
2150 | DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD; | |
2151 | } | |
2152 | ScreenOperation = gScanCodeToOperation[Index].ScreenOperation; | |
2153 | break; | |
2154 | } | |
2155 | } | |
2156 | } | |
2157 | break; | |
2158 | } | |
2159 | break; | |
2160 | ||
2161 | case CfScreenOperation: | |
2162 | if (ScreenOperation != UiPrevious && ScreenOperation != UiReset) { | |
2163 | // | |
2164 | // If the screen has no menu items, and the user didn't select UiPrevious, or UiReset | |
2165 | // ignore the selection and go back to reading keys. | |
2166 | // | |
2167 | if (IsListEmpty (&Menu)) { | |
2168 | ControlFlag = CfReadKey; | |
2169 | break; | |
2170 | } | |
2171 | // | |
2172 | // if there is nothing logical to place a cursor on, just move on to wait for a key. | |
2173 | // | |
2174 | for (Link = Menu.ForwardLink; Link != &Menu; Link = Link->ForwardLink) { | |
2175 | NextMenuOption = MENU_OPTION_FROM_LINK (Link); | |
2176 | if (IsSelectable (NextMenuOption)) { | |
2177 | break; | |
2178 | } | |
2179 | } | |
2180 | ||
2181 | if (Link == &Menu) { | |
2182 | ControlFlag = CfPrepareToReadKey; | |
2183 | break; | |
2184 | } | |
2185 | } else if (ScreenOperation == UiReset) { | |
2186 | // | |
2187 | // Press ESC to exit FormSet | |
2188 | // | |
2189 | Selection->Action = UI_ACTION_EXIT; | |
2190 | Selection->Statement = NULL; | |
2191 | } | |
2192 | ||
2193 | for (Index = 0; | |
2194 | Index < sizeof (gScreenOperationToControlFlag) / sizeof (gScreenOperationToControlFlag[0]); | |
2195 | Index++ | |
2196 | ) { | |
2197 | if (ScreenOperation == gScreenOperationToControlFlag[Index].ScreenOperation) { | |
2198 | ControlFlag = gScreenOperationToControlFlag[Index].ControlFlag; | |
2199 | break; | |
2200 | } | |
2201 | } | |
2202 | break; | |
2203 | ||
2204 | case CfUiPrevious: | |
2205 | ControlFlag = CfCheckSelection; | |
2206 | ||
2207 | if (IsListEmpty (&gMenuList)) { | |
2208 | Selection->Action = UI_ACTION_NONE; | |
2209 | if (IsListEmpty (&Menu)) { | |
2210 | ControlFlag = CfReadKey; | |
2211 | } | |
2212 | break; | |
2213 | } | |
2214 | ||
2215 | // | |
2216 | // Remove the Cached page entry | |
2217 | // | |
2218 | UiRemoveMenuListEntry (Selection); | |
2219 | ||
2220 | Selection->Action = UI_ACTION_REFRESH_FORM; | |
2221 | Selection->Statement = NULL; | |
2222 | break; | |
2223 | ||
2224 | case CfUiSelect: | |
2225 | ControlFlag = CfCheckSelection; | |
2226 | ||
2227 | Statement = MenuOption->ThisTag; | |
2228 | if ((Statement->Operand == EFI_IFR_TEXT_OP) || | |
2229 | (Statement->Operand == EFI_IFR_DATE_OP) || | |
2230 | (Statement->Operand == EFI_IFR_TIME_OP) || | |
2231 | (Statement->Operand == EFI_IFR_NUMERIC_OP && Statement->Step != 0)) { | |
2232 | break; | |
2233 | } | |
2234 | ||
2235 | // | |
2236 | // Keep highlight on current MenuOption | |
2237 | // | |
2238 | Selection->QuestionId = Statement->QuestionId; | |
2239 | ||
2240 | switch (Statement->Operand) { | |
2241 | case EFI_IFR_REF_OP: | |
2242 | if (Statement->RefDevicePath != 0) { | |
2243 | // | |
2244 | // Goto another Hii Package list | |
2245 | // | |
2246 | ControlFlag = CfUiReset; | |
2247 | Selection->Action = UI_ACTION_REFRESH_FORMSET; | |
2248 | ||
2249 | StringPtr = GetToken (Statement->RefDevicePath, Selection->FormSet->HiiHandle); | |
2250 | if (StringPtr == NULL) { | |
2251 | // | |
2252 | // No device path string not found, exit | |
2253 | // | |
2254 | Selection->Action = UI_ACTION_EXIT; | |
2255 | Selection->Statement = NULL; | |
2256 | break; | |
2257 | } | |
2258 | BufferSize = StrLen (StringPtr) / 4; | |
2259 | DevicePath = AllocatePool (BufferSize); | |
2260 | ||
2261 | HexStringToBuffer ((UINT8 *) DevicePath, &BufferSize, StringPtr); | |
9226efe5 | 2262 | Selection->Handle = HiiLibDevicePathToHiiHandle (DevicePath); |
93e3992d | 2263 | if (Selection->Handle == NULL) { |
2264 | // | |
2265 | // If target Hii Handle not found, exit | |
2266 | // | |
2267 | Selection->Action = UI_ACTION_EXIT; | |
2268 | Selection->Statement = NULL; | |
2269 | break; | |
2270 | } | |
2271 | ||
2272 | gBS->FreePool (StringPtr); | |
2273 | gBS->FreePool (DevicePath); | |
2274 | ||
2275 | CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID)); | |
2276 | Selection->FormId = Statement->RefFormId; | |
2277 | Selection->QuestionId = Statement->RefQuestionId; | |
2278 | } else if (!CompareGuid (&Statement->RefFormSetId, &gZeroGuid)) { | |
2279 | // | |
2280 | // Goto another Formset, check for uncommitted data | |
2281 | // | |
2282 | ControlFlag = CfUiReset; | |
2283 | Selection->Action = UI_ACTION_REFRESH_FORMSET; | |
2284 | ||
2285 | CopyMem (&Selection->FormSetGuid, &Statement->RefFormSetId, sizeof (EFI_GUID)); | |
2286 | Selection->FormId = Statement->RefFormId; | |
2287 | Selection->QuestionId = Statement->RefQuestionId; | |
2288 | } else if (Statement->RefFormId != 0) { | |
2289 | // | |
2290 | // Goto another form inside this formset, | |
2291 | // | |
2292 | Selection->Action = UI_ACTION_REFRESH_FORM; | |
2293 | ||
2294 | // | |
2295 | // Link current form so that we can always go back when someone hits the UiPrevious | |
2296 | // | |
2297 | UiAddMenuListEntry (Selection); | |
2298 | ||
2299 | Selection->FormId = Statement->RefFormId; | |
2300 | Selection->QuestionId = Statement->RefQuestionId; | |
2301 | } else if (Statement->RefQuestionId != 0) { | |
2302 | // | |
2303 | // Goto another Question | |
2304 | // | |
2305 | Selection->QuestionId = Statement->RefQuestionId; | |
2306 | ||
2307 | if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK)) { | |
2308 | Selection->Action = UI_ACTION_REFRESH_FORM; | |
2309 | } else { | |
2310 | Repaint = TRUE; | |
2311 | NewLine = TRUE; | |
2312 | break; | |
2313 | } | |
2314 | } | |
2315 | break; | |
2316 | ||
2317 | case EFI_IFR_ACTION_OP: | |
2318 | // | |
2319 | // Process the Config string <ConfigResp> | |
2320 | // | |
2321 | Status = ProcessQuestionConfig (Selection, Statement); | |
2322 | ||
2323 | if (EFI_ERROR (Status)) { | |
2324 | break; | |
2325 | } | |
2326 | ||
2327 | // | |
2328 | // The action button may change some Question value, so refresh the form | |
2329 | // | |
2330 | Selection->Action = UI_ACTION_REFRESH_FORM; | |
2331 | break; | |
2332 | ||
2333 | case EFI_IFR_RESET_BUTTON_OP: | |
2334 | // | |
2335 | // Reset Question to default value specified by DefaultId | |
2336 | // | |
2337 | ControlFlag = CfUiDefault; | |
2338 | DefaultId = Statement->DefaultId; | |
2339 | break; | |
2340 | ||
2341 | default: | |
2342 | // | |
2343 | // Editable Questions: oneof, ordered list, checkbox, numeric, string, password | |
2344 | // | |
2345 | UpdateKeyHelp (MenuOption, TRUE); | |
2346 | Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString); | |
2347 | ||
2348 | if (EFI_ERROR (Status)) { | |
2349 | Repaint = TRUE; | |
2350 | NewLine = TRUE; | |
2351 | break; | |
2352 | } | |
2353 | ||
2354 | if (OptionString != NULL) { | |
2355 | PrintStringAt (LocalScreen.LeftColumn + gPromptBlockWidth + 1, MenuOption->Row, OptionString); | |
2356 | gBS->FreePool (OptionString); | |
2357 | } | |
2358 | ||
2359 | Selection->Action = UI_ACTION_REFRESH_FORM; | |
2360 | break; | |
2361 | } | |
2362 | break; | |
2363 | ||
2364 | case CfUiReset: | |
2365 | // | |
2366 | // We are going to leave current FormSet, so check uncommited data in this FormSet | |
2367 | // | |
2368 | ControlFlag = CfCheckSelection; | |
2369 | ||
2370 | if (gClassOfVfr == EFI_FRONT_PAGE_SUBCLASS) { | |
2371 | // | |
2372 | // There is no parent menu for FrontPage | |
2373 | // | |
2374 | Selection->Action = UI_ACTION_NONE; | |
2375 | Selection->Statement = MenuOption->ThisTag; | |
2376 | break; | |
2377 | } | |
2378 | ||
2379 | // | |
2380 | // If NV flag is up, prompt user | |
2381 | // | |
2382 | if (gNvUpdateRequired) { | |
2383 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key); | |
2384 | ||
2385 | YesResponse = gYesResponse[0]; | |
2386 | NoResponse = gNoResponse[0]; | |
2387 | ||
2388 | do { | |
2389 | CreateDialog (3, TRUE, 0, NULL, &Key, gEmptyString, gAreYouSure, gEmptyString); | |
2390 | } while | |
2391 | ( | |
2392 | (Key.ScanCode != SCAN_ESC) && | |
2393 | ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (NoResponse | UPPER_LOWER_CASE_OFFSET)) && | |
2394 | ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (YesResponse | UPPER_LOWER_CASE_OFFSET)) | |
2395 | ); | |
2396 | ||
2397 | // | |
2398 | // If the user hits the YesResponse key | |
2399 | // | |
2400 | if ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (YesResponse | UPPER_LOWER_CASE_OFFSET)) { | |
2401 | } else { | |
2402 | Repaint = TRUE; | |
2403 | NewLine = TRUE; | |
2404 | ||
2405 | Selection->Action = UI_ACTION_NONE; | |
2406 | break; | |
2407 | } | |
2408 | } | |
2409 | ||
2410 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK)); | |
2411 | gST->ConOut->EnableCursor (gST->ConOut, TRUE); | |
2412 | ||
2413 | UiFreeMenuList (); | |
2414 | gST->ConOut->ClearScreen (gST->ConOut); | |
2415 | return EFI_SUCCESS; | |
2416 | ||
2417 | case CfUiLeft: | |
2418 | ControlFlag = CfCheckSelection; | |
2419 | if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) { | |
2420 | if (MenuOption->Sequence != 0) { | |
2421 | // | |
2422 | // In the middle or tail of the Date/Time op-code set, go left. | |
2423 | // | |
2424 | NewPos = NewPos->BackLink; | |
2425 | } | |
2426 | } | |
2427 | break; | |
2428 | ||
2429 | case CfUiRight: | |
2430 | ControlFlag = CfCheckSelection; | |
2431 | if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) { | |
2432 | if (MenuOption->Sequence != 2) { | |
2433 | // | |
2434 | // In the middle or tail of the Date/Time op-code set, go left. | |
2435 | // | |
2436 | NewPos = NewPos->ForwardLink; | |
2437 | } | |
2438 | } | |
2439 | break; | |
2440 | ||
2441 | case CfUiUp: | |
2442 | ControlFlag = CfCheckSelection; | |
2443 | ||
2444 | SavedListEntry = TopOfScreen; | |
2445 | ||
2446 | if (NewPos->BackLink != &Menu) { | |
2447 | NewLine = TRUE; | |
2448 | // | |
2449 | // Adjust Date/Time position before we advance forward. | |
2450 | // | |
2451 | AdjustDateAndTimePosition (TRUE, &NewPos); | |
2452 | ||
2453 | // | |
2454 | // Caution that we have already rewind to the top, don't go backward in this situation. | |
2455 | // | |
2456 | if (NewPos->BackLink != &Menu) { | |
2457 | NewPos = NewPos->BackLink; | |
2458 | } | |
2459 | ||
2460 | PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos); | |
2461 | DistanceValue = PreviousMenuOption->Skip; | |
2462 | ||
2463 | // | |
2464 | // Since the behavior of hitting the up arrow on a Date/Time op-code is intended | |
2465 | // to be one that back to the previous set of op-codes, we need to advance to the sencond | |
2466 | // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate | |
2467 | // checking can be done. | |
2468 | // | |
2469 | DistanceValue += AdjustDateAndTimePosition (TRUE, &NewPos); | |
2470 | ||
2471 | // | |
2472 | // Check the previous menu entry to see if it was a zero-length advance. If it was, | |
2473 | // don't worry about a redraw. | |
2474 | // | |
2475 | if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) { | |
2476 | Repaint = TRUE; | |
2477 | TopOfScreen = NewPos; | |
2478 | } | |
2479 | ||
2480 | Difference = MoveToNextStatement (TRUE, &NewPos); | |
2481 | if ((INTN) MenuOption->Row - (INTN) DistanceValue < (INTN) TopRow) { | |
2482 | if (Difference > 0) { | |
2483 | // | |
2484 | // Previous focus MenuOption is above the TopOfScreen, so we need to scroll | |
2485 | // | |
2486 | TopOfScreen = NewPos; | |
2487 | Repaint = TRUE; | |
2488 | } | |
2489 | } | |
2490 | if (Difference < 0) { | |
2491 | // | |
2492 | // We want to goto previous MenuOption, but finally we go down. | |
2493 | // it means that we hit the begining MenuOption that can be focused | |
2494 | // so we simply scroll to the top | |
2495 | // | |
2496 | if (SavedListEntry != Menu.ForwardLink) { | |
2497 | TopOfScreen = Menu.ForwardLink; | |
2498 | Repaint = TRUE; | |
2499 | } | |
2500 | } | |
2501 | ||
2502 | // | |
2503 | // If we encounter a Date/Time op-code set, rewind to the first op-code of the set. | |
2504 | // | |
2505 | AdjustDateAndTimePosition (TRUE, &TopOfScreen); | |
2506 | ||
2507 | UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE); | |
2508 | } else { | |
2509 | SavedMenuOption = MenuOption; | |
2510 | MenuOption = MENU_OPTION_FROM_LINK (NewPos); | |
2511 | if (!IsSelectable (MenuOption)) { | |
2512 | // | |
2513 | // If we are at the end of the list and sitting on a text op, we need to more forward | |
2514 | // | |
2515 | ScreenOperation = UiDown; | |
2516 | ControlFlag = CfScreenOperation; | |
2517 | break; | |
2518 | } | |
2519 | ||
2520 | MenuOption = SavedMenuOption; | |
2521 | } | |
2522 | break; | |
2523 | ||
2524 | case CfUiPageUp: | |
2525 | ControlFlag = CfCheckSelection; | |
2526 | ||
2527 | if (NewPos->BackLink == &Menu) { | |
2528 | NewLine = FALSE; | |
2529 | Repaint = FALSE; | |
2530 | break; | |
2531 | } | |
2532 | ||
2533 | NewLine = TRUE; | |
2534 | Repaint = TRUE; | |
2535 | Link = TopOfScreen; | |
2536 | PreviousMenuOption = MENU_OPTION_FROM_LINK (Link); | |
2537 | Index = BottomRow; | |
2538 | while ((Index >= TopRow) && (Link->BackLink != &Menu)) { | |
2539 | Index = Index - PreviousMenuOption->Skip; | |
2540 | Link = Link->BackLink; | |
2541 | PreviousMenuOption = MENU_OPTION_FROM_LINK (Link); | |
2542 | } | |
2543 | ||
2544 | TopOfScreen = Link; | |
2545 | Difference = MoveToNextStatement (TRUE, &Link); | |
2546 | if (Difference > 0) { | |
2547 | // | |
2548 | // The focus MenuOption is above the TopOfScreen | |
2549 | // | |
2550 | TopOfScreen = Link; | |
2551 | } else if (Difference < 0) { | |
2552 | // | |
2553 | // This happens when there is no MenuOption can be focused from | |
2554 | // Current MenuOption to the first MenuOption | |
2555 | // | |
2556 | TopOfScreen = Menu.ForwardLink; | |
2557 | } | |
2558 | Index += Difference; | |
2559 | if (Index < TopRow) { | |
2560 | MenuOption = NULL; | |
2561 | } | |
2562 | ||
2563 | if (NewPos == Link) { | |
2564 | Repaint = FALSE; | |
2565 | NewLine = FALSE; | |
2566 | } else { | |
2567 | NewPos = Link; | |
2568 | } | |
2569 | ||
2570 | // | |
2571 | // If we encounter a Date/Time op-code set, rewind to the first op-code of the set. | |
2572 | // Don't do this when we are already in the first page. | |
2573 | // | |
2574 | AdjustDateAndTimePosition (TRUE, &TopOfScreen); | |
2575 | AdjustDateAndTimePosition (TRUE, &NewPos); | |
2576 | break; | |
2577 | ||
2578 | case CfUiPageDown: | |
2579 | ControlFlag = CfCheckSelection; | |
2580 | ||
2581 | if (NewPos->ForwardLink == &Menu) { | |
2582 | NewLine = FALSE; | |
2583 | Repaint = FALSE; | |
2584 | break; | |
2585 | } | |
2586 | ||
2587 | NewLine = TRUE; | |
2588 | Repaint = TRUE; | |
2589 | Link = TopOfScreen; | |
2590 | NextMenuOption = MENU_OPTION_FROM_LINK (Link); | |
2591 | Index = TopRow; | |
2592 | while ((Index <= BottomRow) && (Link->ForwardLink != &Menu)) { | |
2593 | Index = Index + NextMenuOption->Skip; | |
2594 | Link = Link->ForwardLink; | |
2595 | NextMenuOption = MENU_OPTION_FROM_LINK (Link); | |
2596 | } | |
2597 | ||
2598 | Index += MoveToNextStatement (FALSE, &Link); | |
2599 | if (Index > BottomRow) { | |
2600 | // | |
2601 | // There are more MenuOption needing scrolling | |
2602 | // | |
2603 | TopOfScreen = Link; | |
2604 | MenuOption = NULL; | |
2605 | } | |
2606 | if (NewPos == Link && Index <= BottomRow) { | |
2607 | // | |
2608 | // Finally we know that NewPos is the last MenuOption can be focused. | |
2609 | // | |
2610 | NewLine = FALSE; | |
2611 | Repaint = FALSE; | |
2612 | } else { | |
2613 | NewPos = Link; | |
2614 | } | |
2615 | ||
2616 | // | |
2617 | // If we encounter a Date/Time op-code set, rewind to the first op-code of the set. | |
2618 | // Don't do this when we are already in the last page. | |
2619 | // | |
2620 | AdjustDateAndTimePosition (TRUE, &TopOfScreen); | |
2621 | AdjustDateAndTimePosition (TRUE, &NewPos); | |
2622 | break; | |
2623 | ||
2624 | case CfUiDown: | |
2625 | ControlFlag = CfCheckSelection; | |
2626 | // | |
2627 | // Since the behavior of hitting the down arrow on a Date/Time op-code is intended | |
2628 | // to be one that progresses to the next set of op-codes, we need to advance to the last | |
2629 | // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate | |
2630 | // checking can be done. The only other logic we need to introduce is that if a Date/Time | |
2631 | // op-code is the last entry in the menu, we need to rewind back to the first op-code of | |
2632 | // the Date/Time op-code. | |
2633 | // | |
2634 | SavedListEntry = NewPos; | |
2635 | DistanceValue = AdjustDateAndTimePosition (FALSE, &NewPos); | |
2636 | ||
2637 | if (NewPos->ForwardLink != &Menu) { | |
2638 | MenuOption = MENU_OPTION_FROM_LINK (NewPos); | |
2639 | NewLine = TRUE; | |
2640 | NewPos = NewPos->ForwardLink; | |
2641 | NextMenuOption = MENU_OPTION_FROM_LINK (NewPos); | |
2642 | ||
2643 | DistanceValue += NextMenuOption->Skip; | |
2644 | DistanceValue += MoveToNextStatement (FALSE, &NewPos); | |
2645 | // | |
2646 | // An option might be multi-line, so we need to reflect that data in the overall skip value | |
2647 | // | |
2648 | UpdateOptionSkipLines (Selection, NextMenuOption, &OptionString, SkipValue); | |
2649 | ||
2650 | Temp = MenuOption->Row + MenuOption->Skip + DistanceValue - 1; | |
2651 | if ((MenuOption->Row + MenuOption->Skip == BottomRow + 1) && | |
2652 | (NextMenuOption->ThisTag->Operand == EFI_IFR_DATE_OP || | |
2653 | NextMenuOption->ThisTag->Operand == EFI_IFR_TIME_OP) | |
2654 | ) { | |
2655 | Temp ++; | |
2656 | } | |
2657 | ||
2658 | // | |
2659 | // If we are going to scroll, update TopOfScreen | |
2660 | // | |
2661 | if (Temp > BottomRow) { | |
2662 | do { | |
2663 | // | |
2664 | // Is the current top of screen a zero-advance op-code? | |
2665 | // If so, keep moving forward till we hit a >0 advance op-code | |
2666 | // | |
2667 | SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen); | |
2668 | ||
2669 | // | |
2670 | // If bottom op-code is more than one line or top op-code is more than one line | |
2671 | // | |
2672 | if ((DistanceValue > 1) || (MenuOption->Skip > 1)) { | |
2673 | // | |
2674 | // Is the bottom op-code greater than or equal in size to the top op-code? | |
2675 | // | |
2676 | if ((Temp - BottomRow) >= (SavedMenuOption->Skip - OldSkipValue)) { | |
2677 | // | |
2678 | // Skip the top op-code | |
2679 | // | |
2680 | TopOfScreen = TopOfScreen->ForwardLink; | |
2681 | Difference = (Temp - BottomRow) - (SavedMenuOption->Skip - OldSkipValue); | |
2682 | ||
2683 | OldSkipValue = Difference; | |
2684 | ||
2685 | SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen); | |
2686 | ||
2687 | // | |
2688 | // If we have a remainder, skip that many more op-codes until we drain the remainder | |
2689 | // | |
2690 | for (; | |
2691 | Difference >= (INTN) SavedMenuOption->Skip; | |
2692 | Difference = Difference - (INTN) SavedMenuOption->Skip | |
2693 | ) { | |
2694 | // | |
2695 | // Since the Difference is greater than or equal to this op-code's skip value, skip it | |
2696 | // | |
2697 | TopOfScreen = TopOfScreen->ForwardLink; | |
2698 | SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen); | |
2699 | if (Difference < (INTN) SavedMenuOption->Skip) { | |
2700 | Difference = SavedMenuOption->Skip - Difference - 1; | |
2701 | break; | |
2702 | } else { | |
2703 | if (Difference == (INTN) SavedMenuOption->Skip) { | |
2704 | TopOfScreen = TopOfScreen->ForwardLink; | |
2705 | SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen); | |
2706 | Difference = SavedMenuOption->Skip - Difference; | |
2707 | break; | |
2708 | } | |
2709 | } | |
2710 | } | |
2711 | // | |
2712 | // Since we will act on this op-code in the next routine, and increment the | |
2713 | // SkipValue, set the skips to one less than what is required. | |
2714 | // | |
2715 | SkipValue = Difference - 1; | |
2716 | ||
2717 | } else { | |
2718 | // | |
2719 | // Since we will act on this op-code in the next routine, and increment the | |
2720 | // SkipValue, set the skips to one less than what is required. | |
2721 | // | |
2722 | SkipValue = OldSkipValue + (Temp - BottomRow) - 1; | |
2723 | } | |
2724 | } else { | |
2725 | if ((OldSkipValue + 1) == (INTN) SavedMenuOption->Skip) { | |
2726 | TopOfScreen = TopOfScreen->ForwardLink; | |
2727 | break; | |
2728 | } else { | |
2729 | SkipValue = OldSkipValue; | |
2730 | } | |
2731 | } | |
2732 | // | |
2733 | // If the op-code at the top of the screen is more than one line, let's not skip it yet | |
2734 | // Let's set a skip flag to smoothly scroll the top of the screen. | |
2735 | // | |
2736 | if (SavedMenuOption->Skip > 1) { | |
2737 | if (SavedMenuOption == NextMenuOption) { | |
2738 | SkipValue = 0; | |
2739 | } else { | |
2740 | SkipValue++; | |
2741 | } | |
2742 | } else { | |
2743 | SkipValue = 0; | |
2744 | TopOfScreen = TopOfScreen->ForwardLink; | |
2745 | } | |
2746 | } while (SavedMenuOption->Skip == 0); | |
2747 | ||
2748 | Repaint = TRUE; | |
2749 | OldSkipValue = SkipValue; | |
2750 | } | |
2751 | ||
2752 | MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry); | |
2753 | ||
2754 | UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE); | |
2755 | ||
2756 | } else { | |
2757 | SavedMenuOption = MenuOption; | |
2758 | MenuOption = MENU_OPTION_FROM_LINK (NewPos); | |
2759 | if (!IsSelectable (MenuOption)) { | |
2760 | // | |
2761 | // If we are at the end of the list and sitting on a text op, we need to more forward | |
2762 | // | |
2763 | ScreenOperation = UiUp; | |
2764 | ControlFlag = CfScreenOperation; | |
2765 | break; | |
2766 | } | |
2767 | ||
2768 | MenuOption = SavedMenuOption; | |
2769 | // | |
2770 | // If we are at the end of the list and sitting on a Date/Time op, rewind to the head. | |
2771 | // | |
2772 | AdjustDateAndTimePosition (TRUE, &NewPos); | |
2773 | } | |
2774 | break; | |
2775 | ||
2776 | case CfUiSave: | |
2777 | ControlFlag = CfCheckSelection; | |
2778 | ||
2779 | // | |
2780 | // Submit the form | |
2781 | // | |
2782 | Status = SubmitForm (Selection->FormSet, Selection->Form); | |
2783 | ||
2784 | if (!EFI_ERROR (Status)) { | |
2785 | UpdateStatusBar (INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE); | |
2786 | UpdateStatusBar (NV_UPDATE_REQUIRED, MenuOption->ThisTag->QuestionFlags, FALSE); | |
2787 | } else { | |
2788 | do { | |
2789 | CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gSaveFailed, gPressEnter, gEmptyString); | |
2790 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN); | |
2791 | ||
2792 | Repaint = TRUE; | |
2793 | NewLine = TRUE; | |
2794 | } | |
2795 | break; | |
2796 | ||
2797 | case CfUiDefault: | |
2798 | ControlFlag = CfCheckSelection; | |
2799 | ||
2800 | Status = ExtractFormDefault (Selection->FormSet, Selection->Form, DefaultId); | |
2801 | ||
2802 | if (!EFI_ERROR (Status)) { | |
2803 | Selection->Action = UI_ACTION_REFRESH_FORM; | |
2804 | ||
2805 | // | |
2806 | // Show NV update flag on status bar | |
2807 | // | |
2808 | gNvUpdateRequired = TRUE; | |
2809 | } | |
2810 | break; | |
2811 | ||
2812 | case CfUiNoOperation: | |
2813 | ControlFlag = CfCheckSelection; | |
2814 | break; | |
2815 | ||
2816 | case CfExit: | |
2817 | UiFreeRefreshList (); | |
2818 | ||
2819 | gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK)); | |
2820 | gST->ConOut->SetCursorPosition (gST->ConOut, 0, Row + 4); | |
2821 | gST->ConOut->EnableCursor (gST->ConOut, TRUE); | |
2822 | gST->ConOut->OutputString (gST->ConOut, L"\n"); | |
2823 | ||
2824 | return EFI_SUCCESS; | |
2825 | ||
2826 | default: | |
2827 | break; | |
2828 | } | |
2829 | } | |
2830 | } |