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