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632820d1 | 1 | /** @file\r |
2 | Defines HBufferImage - the view of the file that is visible at any point,\r | |
3 | as well as the event handlers for editing the file\r | |
4 | \r | |
17e59b33 | 5 | Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved. <BR>\r |
632820d1 | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "HexEditor.h"\r | |
17 | \r | |
18 | extern EFI_HANDLE HImageHandleBackup;\r | |
19 | \r | |
20 | extern HEFI_EDITOR_FILE_IMAGE HFileImage;\r | |
21 | extern HEFI_EDITOR_DISK_IMAGE HDiskImage;\r | |
22 | extern HEFI_EDITOR_MEM_IMAGE HMemImage;\r | |
23 | \r | |
24 | extern HEFI_EDITOR_FILE_IMAGE HFileImageBackupVar;\r | |
25 | extern HEFI_EDITOR_DISK_IMAGE HDiskImageBackupVar;\r | |
26 | extern HEFI_EDITOR_MEM_IMAGE HMemImageBackupVar;\r | |
27 | \r | |
28 | extern BOOLEAN HEditorMouseAction;\r | |
29 | \r | |
30 | extern HEFI_EDITOR_GLOBAL_EDITOR HMainEditor;\r | |
31 | extern HEFI_EDITOR_GLOBAL_EDITOR HMainEditorBackupVar;\r | |
32 | \r | |
33 | HEFI_EDITOR_BUFFER_IMAGE HBufferImage;\r | |
34 | HEFI_EDITOR_BUFFER_IMAGE HBufferImageBackupVar;\r | |
35 | \r | |
36 | //\r | |
37 | // for basic initialization of HBufferImage\r | |
38 | //\r | |
39 | HEFI_EDITOR_BUFFER_IMAGE HBufferImageConst = {\r | |
40 | NULL,\r | |
41 | NULL,\r | |
42 | 0,\r | |
43 | NULL,\r | |
44 | {\r | |
45 | 0,\r | |
46 | 0\r | |
47 | },\r | |
48 | {\r | |
49 | 0,\r | |
50 | 0\r | |
51 | },\r | |
52 | {\r | |
53 | 0,\r | |
54 | 0\r | |
55 | },\r | |
56 | 0,\r | |
57 | TRUE,\r | |
58 | FALSE,\r | |
59 | FileTypeNone,\r | |
60 | NULL,\r | |
61 | NULL,\r | |
62 | NULL\r | |
63 | };\r | |
64 | \r | |
65 | //\r | |
66 | // the whole edit area needs to be refreshed\r | |
67 | //\r | |
68 | BOOLEAN HBufferImageNeedRefresh;\r | |
69 | \r | |
70 | //\r | |
71 | // only the current line in edit area needs to be refresh\r | |
72 | //\r | |
73 | BOOLEAN HBufferImageOnlyLineNeedRefresh;\r | |
74 | \r | |
75 | BOOLEAN HBufferImageMouseNeedRefresh;\r | |
76 | \r | |
a1d4bfcc | 77 | /**\r |
78 | Initialization function for HBufferImage\r | |
79 | \r | |
80 | @retval EFI_SUCCESS The operation was successful.\r | |
81 | @retval EFI_LOAD_ERROR A load error occured.\r | |
82 | **/\r | |
632820d1 | 83 | EFI_STATUS\r |
84 | HBufferImageInit (\r | |
85 | VOID\r | |
86 | )\r | |
632820d1 | 87 | {\r |
88 | EFI_STATUS Status;\r | |
89 | \r | |
90 | //\r | |
91 | // basically initialize the HBufferImage\r | |
92 | //\r | |
93 | CopyMem (&HBufferImage, &HBufferImageConst, sizeof (HBufferImage));\r | |
94 | \r | |
95 | //\r | |
96 | // INIT listhead\r | |
97 | //\r | |
98 | HBufferImage.ListHead = AllocateZeroPool (sizeof (LIST_ENTRY));\r | |
99 | if (HBufferImage.ListHead == NULL) {\r | |
100 | return EFI_LOAD_ERROR;\r | |
101 | }\r | |
102 | \r | |
103 | InitializeListHead (HBufferImage.ListHead);\r | |
104 | \r | |
105 | HBufferImage.DisplayPosition.Row = 2;\r | |
106 | HBufferImage.DisplayPosition.Column = 10;\r | |
107 | HBufferImage.MousePosition.Row = 2;\r | |
108 | HBufferImage.MousePosition.Column = 10;\r | |
109 | \r | |
110 | HBufferImage.FileImage = &HFileImage;\r | |
111 | HBufferImage.DiskImage = &HDiskImage;\r | |
112 | HBufferImage.MemImage = &HMemImage;\r | |
113 | \r | |
114 | HBufferImageNeedRefresh = FALSE;\r | |
115 | HBufferImageOnlyLineNeedRefresh = FALSE;\r | |
116 | HBufferImageMouseNeedRefresh = FALSE;\r | |
117 | \r | |
118 | HBufferImageBackupVar.FileImage = &HFileImageBackupVar;\r | |
119 | HBufferImageBackupVar.DiskImage = &HDiskImageBackupVar;\r | |
120 | HBufferImageBackupVar.MemImage = &HMemImageBackupVar;\r | |
121 | \r | |
122 | Status = HFileImageInit ();\r | |
123 | if (EFI_ERROR (Status)) {\r | |
124 | return EFI_LOAD_ERROR;\r | |
125 | }\r | |
126 | \r | |
127 | Status = HDiskImageInit ();\r | |
128 | if (EFI_ERROR (Status)) {\r | |
129 | return EFI_LOAD_ERROR;\r | |
130 | }\r | |
131 | \r | |
132 | Status = HMemImageInit ();\r | |
133 | if (EFI_ERROR (Status)) {\r | |
134 | return EFI_LOAD_ERROR;\r | |
135 | }\r | |
136 | \r | |
137 | return EFI_SUCCESS;\r | |
138 | }\r | |
139 | \r | |
a1d4bfcc | 140 | /**\r |
141 | Backup function for HBufferImage. Only a few fields need to be backup. \r | |
142 | This is for making the file buffer refresh as few as possible.\r | |
143 | \r | |
144 | @retval EFI_SUCCESS The operation was successful.\r | |
145 | **/\r | |
632820d1 | 146 | EFI_STATUS\r |
147 | HBufferImageBackup (\r | |
148 | VOID\r | |
149 | )\r | |
632820d1 | 150 | {\r |
151 | HBufferImageBackupVar.MousePosition = HBufferImage.MousePosition;\r | |
152 | \r | |
153 | HBufferImageBackupVar.BufferPosition = HBufferImage.BufferPosition;\r | |
154 | \r | |
155 | HBufferImageBackupVar.Modified = HBufferImage.Modified;\r | |
156 | \r | |
157 | HBufferImageBackupVar.BufferType = HBufferImage.BufferType;\r | |
158 | HBufferImageBackupVar.LowVisibleRow = HBufferImage.LowVisibleRow;\r | |
159 | HBufferImageBackupVar.HighBits = HBufferImage.HighBits;\r | |
160 | \r | |
161 | //\r | |
162 | // three kinds of buffer supported\r | |
163 | // file buffer\r | |
164 | // disk buffer\r | |
165 | // memory buffer\r | |
166 | //\r | |
167 | switch (HBufferImage.BufferType) {\r | |
168 | case FileTypeFileBuffer:\r | |
169 | HFileImageBackup ();\r | |
170 | break;\r | |
171 | \r | |
172 | case FileTypeDiskBuffer:\r | |
173 | HDiskImageBackup ();\r | |
174 | break;\r | |
175 | \r | |
176 | case FileTypeMemBuffer:\r | |
177 | HMemImageBackup ();\r | |
178 | break;\r | |
e0c2cc6f | 179 | \r |
180 | default:\r | |
181 | break;\r | |
632820d1 | 182 | }\r |
183 | \r | |
184 | return EFI_SUCCESS;\r | |
185 | }\r | |
186 | \r | |
d42aab6e | 187 | /**\r |
a1d4bfcc | 188 | Free all the lines in HBufferImage.\r |
632820d1 | 189 | Fields affected:\r |
190 | Lines\r | |
191 | CurrentLine\r | |
192 | NumLines\r | |
193 | ListHead \r | |
194 | \r | |
a1d4bfcc | 195 | @retval EFI_SUCCESS The operation was successful.\r |
ae724571 | 196 | **/\r |
a1d4bfcc | 197 | EFI_STATUS\r |
198 | HBufferImageFreeLines (\r | |
199 | VOID\r | |
200 | )\r | |
632820d1 | 201 | {\r |
202 | HFreeLines (HBufferImage.ListHead, HBufferImage.Lines);\r | |
203 | \r | |
204 | HBufferImage.Lines = NULL;\r | |
205 | HBufferImage.CurrentLine = NULL;\r | |
206 | HBufferImage.NumLines = 0;\r | |
207 | \r | |
208 | return EFI_SUCCESS;\r | |
209 | }\r | |
210 | \r | |
a1d4bfcc | 211 | /**\r |
212 | Cleanup function for HBufferImage\r | |
213 | \r | |
214 | @retval EFI_SUCCESS The operation was successful.\r | |
215 | **/\r | |
632820d1 | 216 | EFI_STATUS\r |
217 | HBufferImageCleanup (\r | |
218 | VOID\r | |
219 | )\r | |
632820d1 | 220 | {\r |
221 | EFI_STATUS Status;\r | |
222 | \r | |
223 | //\r | |
224 | // free all the lines\r | |
225 | //\r | |
226 | Status = HBufferImageFreeLines ();\r | |
227 | \r | |
228 | SHELL_FREE_NON_NULL (HBufferImage.ListHead);\r | |
229 | HBufferImage.ListHead = NULL;\r | |
230 | \r | |
231 | HFileImageCleanup ();\r | |
232 | HDiskImageCleanup ();\r | |
632820d1 | 233 | \r |
234 | return Status;\r | |
235 | \r | |
236 | }\r | |
237 | \r | |
a1d4bfcc | 238 | /**\r |
239 | Print Line on Row\r | |
240 | \r | |
241 | @param[in] Line The lline to print.\r | |
242 | @param[in] Row The row on screen ( begin from 1 ).\r | |
243 | @param[in] FRow The FRow.\r | |
244 | @param[in] Orig The original color.\r | |
245 | @param[in] New The color to print with.\r | |
246 | \r | |
247 | @retval EFI_SUCCESS The operation was successful.\r | |
248 | **/\r | |
632820d1 | 249 | EFI_STATUS\r |
250 | HBufferImagePrintLine (\r | |
251 | IN HEFI_EDITOR_LINE *Line,\r | |
252 | IN UINTN Row,\r | |
253 | IN UINTN FRow,\r | |
254 | IN HEFI_EDITOR_COLOR_UNION Orig,\r | |
255 | IN HEFI_EDITOR_COLOR_UNION New\r | |
256 | \r | |
257 | )\r | |
632820d1 | 258 | {\r |
259 | \r | |
260 | UINTN Index;\r | |
261 | UINTN Pos;\r | |
262 | BOOLEAN Selected;\r | |
263 | BOOLEAN BeNewColor;\r | |
264 | UINTN RowStart;\r | |
265 | UINTN RowEnd;\r | |
266 | UINTN ColStart;\r | |
267 | UINTN ColEnd;\r | |
268 | \r | |
269 | //\r | |
270 | // variable initialization\r | |
271 | //\r | |
272 | ColStart = 0;\r | |
273 | ColEnd = 0;\r | |
274 | Selected = FALSE;\r | |
275 | \r | |
276 | //\r | |
277 | // print the selected area in opposite color\r | |
278 | //\r | |
279 | if (HMainEditor.SelectStart != 0 && HMainEditor.SelectEnd != 0) {\r | |
280 | RowStart = (HMainEditor.SelectStart - 1) / 0x10 + 1;\r | |
281 | RowEnd = (HMainEditor.SelectEnd - 1) / 0x10 + 1;\r | |
282 | \r | |
283 | ColStart = (HMainEditor.SelectStart - 1) % 0x10 + 1;\r | |
284 | ColEnd = (HMainEditor.SelectEnd - 1) % 0x10 + 1;\r | |
285 | \r | |
286 | if (FRow >= RowStart && FRow <= RowEnd) {\r | |
287 | Selected = TRUE;\r | |
288 | }\r | |
289 | \r | |
290 | if (FRow > RowStart) {\r | |
291 | ColStart = 1;\r | |
292 | }\r | |
293 | \r | |
294 | if (FRow < RowEnd) {\r | |
295 | ColEnd = 0x10;\r | |
296 | }\r | |
297 | \r | |
298 | }\r | |
299 | \r | |
a1d4bfcc | 300 | if (!HEditorMouseAction) {\r |
632820d1 | 301 | ShellPrintEx (\r |
302 | 0,\r | |
303 | (INT32)Row - 1,\r | |
304 | L"%8X ",\r | |
305 | ((INT32)Row - 2 + HBufferImage.LowVisibleRow - 1) * 0x10\r | |
306 | );\r | |
307 | \r | |
308 | }\r | |
309 | \r | |
310 | for (Index = 0; Index < 0x08 && Index < Line->Size; Index++) {\r | |
311 | \r | |
312 | BeNewColor = FALSE;\r | |
313 | \r | |
314 | if (Selected) {\r | |
315 | if (Index + 1 >= ColStart && Index + 1 <= ColEnd) {\r | |
316 | BeNewColor = TRUE;\r | |
317 | }\r | |
318 | }\r | |
319 | \r | |
320 | if (BeNewColor) {\r | |
17e59b33 | 321 | gST->ConOut->SetAttribute (gST->ConOut, New.Data & 0x7F);\r |
632820d1 | 322 | } else {\r |
17e59b33 | 323 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data & 0x7F);\r |
632820d1 | 324 | }\r |
325 | \r | |
326 | Pos = 10 + (Index * 3);\r | |
327 | if (Line->Buffer[Index] < 0x10) {\r | |
328 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L"0");\r | |
329 | Pos++;\r | |
330 | }\r | |
331 | \r | |
332 | if (Index < 0x07) {\r | |
333 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L"%x ", Line->Buffer[Index]);\r | |
334 | } else {\r | |
335 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L"%x ", Line->Buffer[Index]);\r | |
336 | }\r | |
337 | \r | |
338 | }\r | |
339 | \r | |
17e59b33 | 340 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data & 0x7F);\r |
632820d1 | 341 | while (Index < 0x08) {\r |
342 | Pos = 10 + (Index * 3);\r | |
343 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L" ");\r | |
344 | Index++;\r | |
345 | }\r | |
346 | \r | |
347 | while (Index < 0x10 && Index < Line->Size) {\r | |
348 | \r | |
349 | BeNewColor = FALSE;\r | |
350 | \r | |
351 | if (Selected) {\r | |
352 | if (Index + 1 >= ColStart && Index + 1 <= ColEnd) {\r | |
353 | BeNewColor = TRUE;\r | |
354 | }\r | |
355 | }\r | |
356 | \r | |
357 | if (BeNewColor) {\r | |
17e59b33 | 358 | gST->ConOut->SetAttribute (gST->ConOut, New.Data & 0x7F);\r |
632820d1 | 359 | } else {\r |
17e59b33 | 360 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data & 0x7F);\r |
632820d1 | 361 | }\r |
362 | \r | |
363 | Pos = 10 + (Index * 3) + 1;\r | |
364 | if (Line->Buffer[Index] < 0x10) {\r | |
365 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L"0");\r | |
366 | Pos++;\r | |
367 | }\r | |
368 | \r | |
369 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L"%x ", Line->Buffer[Index]);\r | |
370 | Index++;\r | |
371 | }\r | |
372 | \r | |
17e59b33 | 373 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data & 0x7F);\r |
632820d1 | 374 | while (Index < 0x10) {\r |
375 | Pos = 10 + (Index * 3) + 1;\r | |
376 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L" ");\r | |
377 | Index++;\r | |
378 | }\r | |
379 | //\r | |
380 | // restore the original color\r | |
381 | //\r | |
17e59b33 | 382 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data & 0x7F);\r |
632820d1 | 383 | \r |
384 | //\r | |
385 | // PRINT the buffer content\r | |
386 | //\r | |
a1d4bfcc | 387 | if (!HEditorMouseAction) {\r |
632820d1 | 388 | for (Index = 0; Index < 0x10 && Index < Line->Size; Index++) {\r |
389 | Pos = ASCII_POSITION + Index;\r | |
390 | \r | |
391 | //\r | |
392 | // learned from shelle.h -- IsValidChar\r | |
393 | //\r | |
394 | if (Line->Buffer[Index] >= L' ') {\r | |
395 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L"%c", (CHAR16) Line->Buffer[Index]);\r | |
396 | } else {\r | |
397 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L"%c", '.');\r | |
398 | }\r | |
399 | }\r | |
400 | \r | |
401 | while (Index < 0x10) {\r | |
402 | Pos = ASCII_POSITION + Index;\r | |
403 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L" ");\r | |
404 | Index++;\r | |
405 | }\r | |
406 | }\r | |
407 | //\r | |
408 | // restore the abundant blank in hex edit area to original color\r | |
409 | //\r | |
410 | if (Selected) {\r | |
411 | if (ColEnd <= 7) {\r | |
412 | Pos = 10 + (ColEnd - 1) * 3 + 2;\r | |
413 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L" ");\r | |
414 | } else if (ColEnd == 8) {\r | |
415 | Pos = 10 + (ColEnd - 1) * 3 + 2;\r | |
416 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L" ");\r | |
417 | } else {\r | |
418 | Pos = 10 + (ColEnd - 1) * 3 + 3;\r | |
419 | ShellPrintEx ((INT32)Pos - 1, (INT32)Row - 1, L" ");\r | |
420 | }\r | |
421 | }\r | |
422 | \r | |
423 | return EFI_SUCCESS;\r | |
424 | }\r | |
425 | \r | |
a1d4bfcc | 426 | /**\r |
427 | Function to decide if a column number is stored in the high bits.\r | |
428 | \r | |
429 | @param[in] Column The column to examine.\r | |
430 | @param[out] FCol The actual column number.\r | |
431 | \r | |
432 | @retval TRUE The actual column was in high bits and is now in FCol.\r | |
433 | @retval FALSE There was not a column number in the high bits.\r | |
434 | **/\r | |
632820d1 | 435 | BOOLEAN\r |
436 | HBufferImageIsAtHighBits (\r | |
437 | IN UINTN Column,\r | |
438 | OUT UINTN *FCol\r | |
439 | )\r | |
440 | {\r | |
441 | Column -= 10;\r | |
442 | \r | |
443 | //\r | |
444 | // NOW AFTER THE SUB, Column start from 0\r | |
445 | // 23 AND 24 ARE BOTH BLANK\r | |
446 | //\r | |
447 | if (Column == 24) {\r | |
448 | *FCol = 0;\r | |
449 | return FALSE;\r | |
450 | }\r | |
451 | \r | |
452 | if (Column > 24) {\r | |
453 | Column--;\r | |
454 | }\r | |
455 | \r | |
456 | *FCol = (Column / 3) + 1;\r | |
457 | \r | |
a1d4bfcc | 458 | if (Column % 3 == 0) {\r |
632820d1 | 459 | return TRUE;\r |
460 | }\r | |
461 | \r | |
462 | if ((Column % 3 == 2)) {\r | |
463 | *FCol = 0;\r | |
464 | }\r | |
465 | \r | |
466 | return FALSE;\r | |
467 | }\r | |
468 | \r | |
a1d4bfcc | 469 | /**\r |
470 | Decide if a point is in the already selected area.\r | |
471 | \r | |
472 | @param[in] MouseRow The row of the point to test.\r | |
473 | @param[in] MouseCol The col of the point to test.\r | |
474 | \r | |
475 | @retval TRUE The point is in the selected area.\r | |
476 | @retval FALSE The point is not in the selected area.\r | |
477 | **/\r | |
632820d1 | 478 | BOOLEAN\r |
479 | HBufferImageIsInSelectedArea (\r | |
480 | IN UINTN MouseRow,\r | |
481 | IN UINTN MouseCol\r | |
482 | )\r | |
483 | {\r | |
484 | UINTN FRow;\r | |
485 | UINTN RowStart;\r | |
486 | UINTN RowEnd;\r | |
487 | UINTN ColStart;\r | |
488 | UINTN ColEnd;\r | |
489 | UINTN MouseColStart;\r | |
490 | UINTN MouseColEnd;\r | |
491 | \r | |
492 | //\r | |
493 | // judge mouse position whether is in selected area\r | |
494 | //\r | |
495 | //\r | |
496 | // not select\r | |
497 | //\r | |
498 | if (HMainEditor.SelectStart == 0 || HMainEditor.SelectEnd == 0) {\r | |
499 | return FALSE;\r | |
500 | }\r | |
501 | //\r | |
502 | // calculate the select area\r | |
503 | //\r | |
504 | RowStart = (HMainEditor.SelectStart - 1) / 0x10 + 1;\r | |
505 | RowEnd = (HMainEditor.SelectEnd - 1) / 0x10 + 1;\r | |
506 | \r | |
507 | ColStart = (HMainEditor.SelectStart - 1) % 0x10 + 1;\r | |
508 | ColEnd = (HMainEditor.SelectEnd - 1) % 0x10 + 1;\r | |
509 | \r | |
510 | FRow = HBufferImage.LowVisibleRow + MouseRow - 2;\r | |
511 | if (FRow < RowStart || FRow > RowEnd) {\r | |
512 | return FALSE;\r | |
513 | }\r | |
514 | \r | |
515 | if (FRow > RowStart) {\r | |
516 | ColStart = 1;\r | |
517 | }\r | |
518 | \r | |
519 | if (FRow < RowEnd) {\r | |
520 | ColEnd = 0x10;\r | |
521 | }\r | |
522 | \r | |
523 | MouseColStart = 10 + (ColStart - 1) * 3;\r | |
524 | if (ColStart > 8) {\r | |
525 | MouseColStart++;\r | |
526 | }\r | |
527 | \r | |
528 | MouseColEnd = 10 + (ColEnd - 1) * 3 + 1;\r | |
529 | if (ColEnd > 8) {\r | |
530 | MouseColEnd++;\r | |
531 | }\r | |
532 | \r | |
533 | if (MouseCol < MouseColStart || MouseCol > MouseColEnd) {\r | |
534 | return FALSE;\r | |
535 | }\r | |
536 | \r | |
537 | return TRUE;\r | |
538 | }\r | |
539 | \r | |
a1d4bfcc | 540 | /**\r |
541 | Set mouse position according to HBufferImage.MousePosition.\r | |
542 | \r | |
543 | @retval EFI_SUCCESS The operation was successful.\r | |
544 | **/\r | |
632820d1 | 545 | EFI_STATUS\r |
546 | HBufferImageRestoreMousePosition (\r | |
547 | VOID\r | |
548 | )\r | |
549 | {\r | |
550 | HEFI_EDITOR_COLOR_UNION Orig;\r | |
551 | HEFI_EDITOR_COLOR_UNION New;\r | |
552 | UINTN FRow;\r | |
553 | UINTN FColumn;\r | |
554 | BOOLEAN HasCharacter;\r | |
555 | HEFI_EDITOR_LINE *CurrentLine;\r | |
556 | HEFI_EDITOR_LINE *Line;\r | |
557 | UINT8 Value;\r | |
558 | BOOLEAN HighBits;\r | |
559 | \r | |
560 | Line = NULL;\r | |
561 | if (HMainEditor.MouseSupported) {\r | |
562 | \r | |
563 | if (HBufferImageMouseNeedRefresh) {\r | |
564 | \r | |
565 | HBufferImageMouseNeedRefresh = FALSE;\r | |
566 | \r | |
567 | //\r | |
568 | // if mouse position not moved and only mouse action\r | |
569 | // so do not need to refresh mouse position\r | |
570 | //\r | |
571 | if ((\r | |
572 | HBufferImage.MousePosition.Row == HBufferImageBackupVar.MousePosition.Row &&\r | |
573 | HBufferImage.MousePosition.Column == HBufferImageBackupVar.MousePosition.Column\r | |
574 | ) &&\r | |
575 | HEditorMouseAction\r | |
576 | ) {\r | |
577 | return EFI_SUCCESS;\r | |
578 | }\r | |
579 | //\r | |
580 | // backup the old screen attributes\r | |
581 | //\r | |
582 | Orig = HMainEditor.ColorAttributes;\r | |
28981267 | 583 | New.Data = 0;\r |
17e59b33 JC |
584 | New.Colors.Foreground = Orig.Colors.Background & 0xF;\r |
585 | New.Colors.Background = Orig.Colors.Foreground & 0x7;\r | |
632820d1 | 586 | \r |
587 | //\r | |
588 | // if in selected area,\r | |
589 | // so do not need to refresh mouse\r | |
590 | //\r | |
591 | if (!HBufferImageIsInSelectedArea (\r | |
592 | HBufferImageBackupVar.MousePosition.Row,\r | |
593 | HBufferImageBackupVar.MousePosition.Column\r | |
594 | )) {\r | |
595 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);\r | |
596 | } else {\r | |
17e59b33 | 597 | gST->ConOut->SetAttribute (gST->ConOut, New.Data & 0x7F);\r |
632820d1 | 598 | }\r |
599 | //\r | |
600 | // clear the old mouse position\r | |
601 | //\r | |
602 | FRow = HBufferImage.LowVisibleRow + HBufferImageBackupVar.MousePosition.Row - 2;\r | |
603 | \r | |
604 | HighBits = HBufferImageIsAtHighBits (\r | |
605 | HBufferImageBackupVar.MousePosition.Column,\r | |
606 | &FColumn\r | |
607 | );\r | |
608 | \r | |
609 | HasCharacter = TRUE;\r | |
610 | if (FRow > HBufferImage.NumLines || FColumn == 0) {\r | |
611 | HasCharacter = FALSE;\r | |
612 | } else {\r | |
613 | CurrentLine = HBufferImage.CurrentLine;\r | |
614 | Line = HMoveLine (FRow - HBufferImage.BufferPosition.Row);\r | |
615 | \r | |
33c031ee | 616 | if (Line == NULL || FColumn > Line->Size) {\r |
632820d1 | 617 | HasCharacter = FALSE;\r |
618 | }\r | |
619 | \r | |
620 | HBufferImage.CurrentLine = CurrentLine;\r | |
621 | }\r | |
622 | \r | |
623 | ShellPrintEx (\r | |
624 | (INT32)HBufferImageBackupVar.MousePosition.Column - 1,\r | |
625 | (INT32)HBufferImageBackupVar.MousePosition.Row - 1,\r | |
626 | L" "\r | |
627 | );\r | |
628 | \r | |
629 | if (HasCharacter) {\r | |
630 | if (HighBits) {\r | |
631 | Value = (UINT8) (Line->Buffer[FColumn - 1] & 0xf0);\r | |
632 | Value = (UINT8) (Value >> 4);\r | |
633 | } else {\r | |
634 | Value = (UINT8) (Line->Buffer[FColumn - 1] & 0xf);\r | |
635 | }\r | |
636 | \r | |
637 | ShellPrintEx (\r | |
638 | (INT32)HBufferImageBackupVar.MousePosition.Column - 1,\r | |
639 | (INT32)HBufferImageBackupVar.MousePosition.Row - 1,\r | |
640 | L"%x",\r | |
641 | Value\r | |
642 | );\r | |
643 | }\r | |
644 | \r | |
645 | if (!HBufferImageIsInSelectedArea (\r | |
646 | HBufferImage.MousePosition.Row,\r | |
647 | HBufferImage.MousePosition.Column\r | |
648 | )) {\r | |
17e59b33 | 649 | gST->ConOut->SetAttribute (gST->ConOut, New.Data & 0x7F);\r |
632820d1 | 650 | } else {\r |
651 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);\r | |
652 | }\r | |
653 | //\r | |
654 | // clear the old mouse position\r | |
655 | //\r | |
656 | FRow = HBufferImage.LowVisibleRow + HBufferImage.MousePosition.Row - 2;\r | |
657 | \r | |
658 | HighBits = HBufferImageIsAtHighBits (\r | |
659 | HBufferImage.MousePosition.Column,\r | |
660 | &FColumn\r | |
661 | );\r | |
662 | \r | |
663 | HasCharacter = TRUE;\r | |
664 | if (FRow > HBufferImage.NumLines || FColumn == 0) {\r | |
665 | HasCharacter = FALSE;\r | |
666 | } else {\r | |
667 | CurrentLine = HBufferImage.CurrentLine;\r | |
668 | Line = HMoveLine (FRow - HBufferImage.BufferPosition.Row);\r | |
669 | \r | |
ae724571 | 670 | if (Line == NULL || FColumn > Line->Size) {\r |
632820d1 | 671 | HasCharacter = FALSE;\r |
672 | }\r | |
673 | \r | |
674 | HBufferImage.CurrentLine = CurrentLine;\r | |
675 | }\r | |
676 | \r | |
677 | ShellPrintEx (\r | |
678 | (INT32)HBufferImage.MousePosition.Column - 1,\r | |
679 | (INT32)HBufferImage.MousePosition.Row - 1,\r | |
680 | L" "\r | |
681 | );\r | |
682 | \r | |
683 | if (HasCharacter) {\r | |
684 | if (HighBits) {\r | |
685 | Value = (UINT8) (Line->Buffer[FColumn - 1] & 0xf0);\r | |
686 | Value = (UINT8) (Value >> 4);\r | |
687 | } else {\r | |
688 | Value = (UINT8) (Line->Buffer[FColumn - 1] & 0xf);\r | |
689 | }\r | |
690 | \r | |
691 | ShellPrintEx (\r | |
692 | (INT32)HBufferImage.MousePosition.Column - 1,\r | |
693 | (INT32)HBufferImage.MousePosition.Row - 1,\r | |
694 | L"%x",\r | |
695 | Value\r | |
696 | );\r | |
697 | }\r | |
698 | //\r | |
699 | // end of HasCharacter\r | |
700 | //\r | |
701 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);\r | |
702 | }\r | |
703 | //\r | |
704 | // end of MouseNeedRefresh\r | |
705 | //\r | |
706 | }\r | |
707 | //\r | |
708 | // end of MouseSupported\r | |
709 | //\r | |
710 | return EFI_SUCCESS;\r | |
711 | }\r | |
712 | \r | |
a1d4bfcc | 713 | /**\r |
714 | Set cursor position according to HBufferImage.DisplayPosition.\r | |
715 | \r | |
716 | @retval EFI_SUCCESS The operation was successful.\r | |
717 | **/\r | |
632820d1 | 718 | EFI_STATUS\r |
719 | HBufferImageRestorePosition (\r | |
720 | VOID\r | |
721 | )\r | |
632820d1 | 722 | {\r |
723 | //\r | |
724 | // set cursor position\r | |
725 | //\r | |
726 | gST->ConOut->SetCursorPosition (\r | |
727 | gST->ConOut,\r | |
728 | HBufferImage.DisplayPosition.Column - 1,\r | |
729 | HBufferImage.DisplayPosition.Row - 1\r | |
730 | );\r | |
731 | \r | |
732 | return EFI_SUCCESS;\r | |
733 | }\r | |
734 | \r | |
d42aab6e | 735 | /**\r |
ae724571 | 736 | Refresh function for HBufferImage.\r |
737 | \r | |
738 | @retval EFI_SUCCESS The operation was successful.\r | |
739 | @retval EFI_LOAD_ERROR A Load error occured.\r | |
740 | \r | |
741 | **/\r | |
632820d1 | 742 | EFI_STATUS\r |
743 | HBufferImageRefresh (\r | |
744 | VOID\r | |
745 | )\r | |
632820d1 | 746 | {\r |
747 | LIST_ENTRY *Link;\r | |
748 | HEFI_EDITOR_LINE *Line;\r | |
749 | UINTN Row;\r | |
750 | HEFI_EDITOR_COLOR_UNION Orig;\r | |
751 | HEFI_EDITOR_COLOR_UNION New;\r | |
752 | \r | |
753 | UINTN StartRow;\r | |
754 | UINTN EndRow;\r | |
755 | UINTN FStartRow;\r | |
632820d1 | 756 | UINTN Tmp;\r |
757 | \r | |
758 | Orig = HMainEditor.ColorAttributes;\r | |
28981267 | 759 | New.Data = 0;\r |
632820d1 | 760 | New.Colors.Foreground = Orig.Colors.Background;\r |
761 | New.Colors.Background = Orig.Colors.Foreground;\r | |
762 | \r | |
763 | //\r | |
764 | // if it's the first time after editor launch, so should refresh\r | |
765 | //\r | |
766 | if (HEditorFirst == FALSE) {\r | |
767 | //\r | |
768 | // no definite required refresh\r | |
769 | // and file position displayed on screen has not been changed\r | |
770 | //\r | |
ae724571 | 771 | if (!HBufferImageNeedRefresh &&\r |
772 | !HBufferImageOnlyLineNeedRefresh &&\r | |
632820d1 | 773 | HBufferImageBackupVar.LowVisibleRow == HBufferImage.LowVisibleRow\r |
774 | ) {\r | |
775 | HBufferImageRestoreMousePosition ();\r | |
776 | HBufferImageRestorePosition ();\r | |
777 | return EFI_SUCCESS;\r | |
778 | }\r | |
779 | }\r | |
780 | \r | |
781 | gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r | |
782 | \r | |
783 | //\r | |
784 | // only need to refresh current line\r | |
785 | //\r | |
ae724571 | 786 | if (HBufferImageOnlyLineNeedRefresh && HBufferImageBackupVar.LowVisibleRow == HBufferImage.LowVisibleRow) {\r |
632820d1 | 787 | \r |
788 | HBufferImagePrintLine (\r | |
789 | HBufferImage.CurrentLine,\r | |
790 | HBufferImage.DisplayPosition.Row,\r | |
791 | HBufferImage.BufferPosition.Row,\r | |
792 | Orig,\r | |
793 | New\r | |
794 | );\r | |
795 | } else {\r | |
796 | //\r | |
797 | // the whole edit area need refresh\r | |
798 | //\r | |
799 | if (HEditorMouseAction && HMainEditor.SelectStart != 0 && HMainEditor.SelectEnd != 0) {\r | |
800 | if (HMainEditor.SelectStart != HMainEditorBackupVar.SelectStart) {\r | |
801 | if (HMainEditor.SelectStart >= HMainEditorBackupVar.SelectStart && HMainEditorBackupVar.SelectStart != 0) {\r | |
802 | StartRow = (HMainEditorBackupVar.SelectStart - 1) / 0x10 + 1;\r | |
803 | } else {\r | |
804 | StartRow = (HMainEditor.SelectStart - 1) / 0x10 + 1;\r | |
805 | }\r | |
806 | } else {\r | |
807 | StartRow = (HMainEditor.SelectStart - 1) / 0x10 + 1;\r | |
808 | }\r | |
809 | \r | |
810 | if (HMainEditor.SelectEnd <= HMainEditorBackupVar.SelectEnd) {\r | |
811 | EndRow = (HMainEditorBackupVar.SelectEnd - 1) / 0x10 + 1;\r | |
812 | } else {\r | |
813 | EndRow = (HMainEditor.SelectEnd - 1) / 0x10 + 1;\r | |
814 | }\r | |
815 | //\r | |
816 | // swap\r | |
817 | //\r | |
818 | if (StartRow > EndRow) {\r | |
819 | Tmp = StartRow;\r | |
820 | StartRow = EndRow;\r | |
821 | EndRow = Tmp;\r | |
822 | }\r | |
823 | \r | |
824 | FStartRow = StartRow;\r | |
632820d1 | 825 | \r |
826 | StartRow = 2 + StartRow - HBufferImage.LowVisibleRow;\r | |
827 | EndRow = 2 + EndRow - HBufferImage.LowVisibleRow;\r | |
828 | \r | |
829 | } else {\r | |
830 | //\r | |
831 | // not mouse selection actions\r | |
832 | //\r | |
833 | FStartRow = HBufferImage.LowVisibleRow;\r | |
834 | StartRow = 2;\r | |
5a2beb74 | 835 | EndRow = (HMainEditor.ScreenSize.Row - 1);\r |
632820d1 | 836 | }\r |
837 | //\r | |
838 | // no line\r | |
839 | //\r | |
840 | if (HBufferImage.Lines == NULL) {\r | |
841 | HBufferImageRestoreMousePosition ();\r | |
842 | HBufferImageRestorePosition ();\r | |
843 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
844 | return EFI_SUCCESS;\r | |
845 | }\r | |
846 | //\r | |
847 | // get the first line that will be displayed\r | |
848 | //\r | |
849 | Line = HMoveLine (FStartRow - HBufferImage.BufferPosition.Row);\r | |
850 | if (Line == NULL) {\r | |
851 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
852 | return EFI_LOAD_ERROR;\r | |
853 | }\r | |
854 | \r | |
855 | Link = &(Line->Link);\r | |
856 | Row = StartRow;\r | |
857 | do {\r | |
858 | Line = CR (Link, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);\r | |
859 | \r | |
860 | //\r | |
861 | // print line at row\r | |
862 | //\r | |
863 | HBufferImagePrintLine (\r | |
864 | Line,\r | |
865 | Row,\r | |
866 | HBufferImage.LowVisibleRow + Row - 2,\r | |
867 | Orig,\r | |
868 | New\r | |
869 | );\r | |
870 | \r | |
871 | Link = Link->ForwardLink;\r | |
872 | Row++;\r | |
873 | } while (Link != HBufferImage.ListHead && Row <= EndRow);\r | |
874 | \r | |
875 | while (Row <= EndRow) {\r | |
a1d4bfcc | 876 | EditorClearLine (Row, HMainEditor.ScreenSize.Column, HMainEditor.ScreenSize.Row);\r |
632820d1 | 877 | Row++;\r |
878 | }\r | |
879 | //\r | |
880 | // while not file end and not screen full\r | |
881 | //\r | |
882 | }\r | |
883 | \r | |
884 | HBufferImageRestoreMousePosition ();\r | |
885 | HBufferImageRestorePosition ();\r | |
886 | \r | |
887 | HBufferImageNeedRefresh = FALSE;\r | |
888 | HBufferImageOnlyLineNeedRefresh = FALSE;\r | |
889 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
890 | \r | |
891 | return EFI_SUCCESS;\r | |
892 | }\r | |
893 | \r | |
ae724571 | 894 | /**\r |
895 | Read an image into a buffer friom a source.\r | |
896 | \r | |
897 | @param[in] FileName Pointer to the file name. OPTIONAL and ignored if not FileTypeFileBuffer.\r | |
898 | @param[in] DiskName Pointer to the disk name. OPTIONAL and ignored if not FileTypeDiskBuffer.\r | |
899 | @param[in] DiskOffset Offset into the disk. OPTIONAL and ignored if not FileTypeDiskBuffer.\r | |
900 | @param[in] DiskSize Size of the disk buffer. OPTIONAL and ignored if not FileTypeDiskBuffer.\r | |
a1d4bfcc | 901 | @param[in] MemOffset Offset into the Memory. OPTIONAL and ignored if not FileTypeMemBuffer.\r |
902 | @param[in] MemSize Size of the Memory buffer. OPTIONAL and ignored if not FileTypeMemBuffer.\r | |
ae724571 | 903 | @param[in] BufferType The type of buffer to save. IGNORED.\r |
904 | @param[in] Recover TRUE for recovermode, FALSE otherwise.\r | |
905 | \r | |
906 | @return EFI_SUCCESS The operation was successful.\r | |
907 | **/\r | |
632820d1 | 908 | EFI_STATUS\r |
ae724571 | 909 | EFIAPI\r |
632820d1 | 910 | HBufferImageRead (\r |
911 | IN CONST CHAR16 *FileName,\r | |
912 | IN CONST CHAR16 *DiskName,\r | |
913 | IN UINTN DiskOffset,\r | |
914 | IN UINTN DiskSize,\r | |
915 | IN UINTN MemOffset,\r | |
916 | IN UINTN MemSize,\r | |
917 | IN EDIT_FILE_TYPE BufferType,\r | |
918 | IN BOOLEAN Recover\r | |
919 | )\r | |
920 | {\r | |
921 | EFI_STATUS Status;\r | |
922 | EDIT_FILE_TYPE BufferTypeBackup;\r | |
923 | \r | |
924 | //\r | |
925 | // variable initialization\r | |
926 | //\r | |
927 | Status = EFI_SUCCESS;\r | |
980d554e | 928 | HBufferImage.BufferType = BufferType;\r |
632820d1 | 929 | \r |
930 | //\r | |
931 | // three types of buffer supported\r | |
932 | // file buffer\r | |
933 | // disk buffer\r | |
934 | // memory buffer\r | |
935 | //\r | |
936 | BufferTypeBackup = HBufferImage.BufferType;\r | |
937 | \r | |
938 | switch (BufferType) {\r | |
939 | case FileTypeFileBuffer:\r | |
940 | Status = HFileImageRead (FileName, Recover);\r | |
941 | break;\r | |
942 | \r | |
943 | case FileTypeDiskBuffer:\r | |
944 | Status = HDiskImageRead (DiskName, DiskOffset, DiskSize, Recover);\r | |
945 | break;\r | |
946 | \r | |
947 | case FileTypeMemBuffer:\r | |
948 | Status = HMemImageRead (MemOffset, MemSize, Recover);\r | |
949 | break;\r | |
e0c2cc6f | 950 | \r |
951 | default:\r | |
952 | Status = EFI_NOT_FOUND;\r | |
953 | break;\r | |
632820d1 | 954 | }\r |
955 | \r | |
956 | if (EFI_ERROR (Status)) {\r | |
957 | HBufferImage.BufferType = BufferTypeBackup;\r | |
958 | }\r | |
959 | \r | |
960 | return Status;\r | |
961 | }\r | |
962 | \r | |
ae724571 | 963 | /**\r |
964 | Save the current image.\r | |
965 | \r | |
966 | @param[in] FileName Pointer to the file name. OPTIONAL and ignored if not FileTypeFileBuffer.\r | |
967 | @param[in] DiskName Pointer to the disk name. OPTIONAL and ignored if not FileTypeDiskBuffer.\r | |
968 | @param[in] DiskOffset Offset into the disk. OPTIONAL and ignored if not FileTypeDiskBuffer.\r | |
969 | @param[in] DiskSize Size of the disk buffer. OPTIONAL and ignored if not FileTypeDiskBuffer.\r | |
a1d4bfcc | 970 | @param[in] MemOffset Offset into the Memory. OPTIONAL and ignored if not FileTypeMemBuffer.\r |
971 | @param[in] MemSize Size of the Memory buffer. OPTIONAL and ignored if not FileTypeMemBuffer.\r | |
ae724571 | 972 | @param[in] BufferType The type of buffer to save. IGNORED.\r |
973 | \r | |
974 | @return EFI_SUCCESS The operation was successful.\r | |
975 | **/\r | |
632820d1 | 976 | EFI_STATUS\r |
977 | HBufferImageSave (\r | |
978 | IN CHAR16 *FileName,\r | |
979 | IN CHAR16 *DiskName,\r | |
980 | IN UINTN DiskOffset,\r | |
981 | IN UINTN DiskSize,\r | |
982 | IN UINTN MemOffset,\r | |
983 | IN UINTN MemSize,\r | |
984 | IN EDIT_FILE_TYPE BufferType\r | |
985 | )\r | |
986 | {\r | |
987 | EFI_STATUS Status;\r | |
988 | EDIT_FILE_TYPE BufferTypeBackup;\r | |
989 | \r | |
990 | //\r | |
991 | // variable initialization\r | |
992 | //\r | |
993 | Status = EFI_SUCCESS;\r | |
994 | BufferTypeBackup = HBufferImage.BufferType;\r | |
995 | \r | |
996 | switch (HBufferImage.BufferType) {\r | |
997 | //\r | |
998 | // file buffer\r | |
999 | //\r | |
1000 | case FileTypeFileBuffer:\r | |
1001 | Status = HFileImageSave (FileName);\r | |
1002 | break;\r | |
1003 | \r | |
1004 | //\r | |
1005 | // disk buffer\r | |
1006 | //\r | |
1007 | case FileTypeDiskBuffer:\r | |
1008 | Status = HDiskImageSave (DiskName, DiskOffset, DiskSize);\r | |
1009 | break;\r | |
1010 | \r | |
1011 | //\r | |
1012 | // memory buffer\r | |
1013 | //\r | |
1014 | case FileTypeMemBuffer:\r | |
1015 | Status = HMemImageSave (MemOffset, MemSize);\r | |
1016 | break;\r | |
e0c2cc6f | 1017 | \r |
1018 | default:\r | |
1019 | Status = EFI_NOT_FOUND;\r | |
1020 | break;\r | |
632820d1 | 1021 | }\r |
1022 | \r | |
1023 | if (EFI_ERROR (Status)) {\r | |
1024 | HBufferImage.BufferType = BufferTypeBackup;\r | |
1025 | }\r | |
1026 | \r | |
1027 | return Status;\r | |
1028 | }\r | |
1029 | \r | |
d42aab6e | 1030 | /**\r |
ae724571 | 1031 | Create a new line and append it to the line list.\r |
632820d1 | 1032 | Fields affected:\r |
1033 | NumLines\r | |
1034 | Lines \r | |
1035 | \r | |
ae724571 | 1036 | @retval NULL create line failed.\r |
1037 | @return the line created.\r | |
632820d1 | 1038 | \r |
ae724571 | 1039 | **/\r |
1040 | HEFI_EDITOR_LINE *\r | |
1041 | HBufferImageCreateLine (\r | |
1042 | VOID\r | |
1043 | )\r | |
632820d1 | 1044 | {\r |
1045 | HEFI_EDITOR_LINE *Line;\r | |
1046 | \r | |
1047 | //\r | |
1048 | // allocate for line structure\r | |
1049 | //\r | |
1050 | Line = AllocateZeroPool (sizeof (HEFI_EDITOR_LINE));\r | |
1051 | if (Line == NULL) {\r | |
1052 | return NULL;\r | |
1053 | }\r | |
1054 | \r | |
1055 | Line->Signature = EFI_EDITOR_LINE_LIST;\r | |
1056 | Line->Size = 0;\r | |
1057 | \r | |
1058 | HBufferImage.NumLines++;\r | |
1059 | \r | |
1060 | //\r | |
1061 | // insert to line list\r | |
1062 | //\r | |
1063 | InsertTailList (HBufferImage.ListHead, &Line->Link);\r | |
1064 | \r | |
1065 | if (HBufferImage.Lines == NULL) {\r | |
1066 | HBufferImage.Lines = CR (\r | |
1067 | HBufferImage.ListHead->ForwardLink,\r | |
1068 | HEFI_EDITOR_LINE,\r | |
1069 | Link,\r | |
1070 | EFI_EDITOR_LINE_LIST\r | |
1071 | );\r | |
1072 | }\r | |
1073 | \r | |
1074 | return Line;\r | |
1075 | }\r | |
1076 | \r | |
d42aab6e | 1077 | /**\r |
ae724571 | 1078 | Free the current image.\r |
1079 | \r | |
1080 | @retval EFI_SUCCESS The operation was successful.\r | |
1081 | **/\r | |
632820d1 | 1082 | EFI_STATUS\r |
1083 | HBufferImageFree (\r | |
1084 | VOID\r | |
1085 | )\r | |
632820d1 | 1086 | {\r |
1087 | //\r | |
1088 | // free all lines\r | |
1089 | //\r | |
1090 | HBufferImageFreeLines ();\r | |
1091 | \r | |
1092 | return EFI_SUCCESS;\r | |
1093 | }\r | |
1094 | \r | |
d42aab6e | 1095 | /**\r |
ae724571 | 1096 | change char to int value based on Hex.\r |
1097 | \r | |
1098 | @param[in] Char The input char.\r | |
1099 | \r | |
1100 | @return The character's index value.\r | |
1101 | @retval -1 The operation failed.\r | |
1102 | **/\r | |
632820d1 | 1103 | INTN\r |
ae724571 | 1104 | EFIAPI\r |
632820d1 | 1105 | HBufferImageCharToHex (\r |
1106 | IN CHAR16 Char\r | |
1107 | )\r | |
632820d1 | 1108 | {\r |
1109 | //\r | |
1110 | // change the character to hex\r | |
1111 | //\r | |
1112 | if (Char >= L'0' && Char <= L'9') {\r | |
1113 | return (INTN) (Char - L'0');\r | |
1114 | }\r | |
1115 | \r | |
1116 | if (Char >= L'a' && Char <= L'f') {\r | |
1117 | return (INTN) (Char - L'a' + 10);\r | |
1118 | }\r | |
1119 | \r | |
1120 | if (Char >= L'A' && Char <= L'F') {\r | |
1121 | return (INTN) (Char - L'A' + 10);\r | |
1122 | }\r | |
1123 | \r | |
1124 | return -1;\r | |
1125 | }\r | |
1126 | \r | |
ae724571 | 1127 | /**\r |
1128 | Add character.\r | |
1129 | \r | |
1130 | @param[in] Char -- input char.\r | |
1131 | \r | |
1132 | @retval EFI_SUCCESS The operation was successful.\r | |
1133 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1134 | **/\r | |
632820d1 | 1135 | EFI_STATUS\r |
ae724571 | 1136 | EFIAPI\r |
632820d1 | 1137 | HBufferImageAddChar (\r |
1138 | IN CHAR16 Char\r | |
1139 | )\r | |
632820d1 | 1140 | {\r |
1141 | HEFI_EDITOR_LINE *Line;\r | |
1142 | HEFI_EDITOR_LINE *NewLine;\r | |
1143 | INTN Value;\r | |
1144 | UINT8 Old;\r | |
1145 | UINTN FRow;\r | |
1146 | UINTN FCol;\r | |
1147 | BOOLEAN High;\r | |
1148 | \r | |
1149 | Value = HBufferImageCharToHex (Char);\r | |
1150 | \r | |
1151 | //\r | |
1152 | // invalid input\r | |
1153 | //\r | |
1154 | if (Value == -1) {\r | |
1155 | return EFI_SUCCESS;\r | |
1156 | }\r | |
1157 | \r | |
1158 | Line = HBufferImage.CurrentLine;\r | |
1159 | FRow = HBufferImage.BufferPosition.Row;\r | |
1160 | FCol = HBufferImage.BufferPosition.Column;\r | |
1161 | High = HBufferImage.HighBits;\r | |
1162 | \r | |
1163 | //\r | |
1164 | // only needs to refresh current line\r | |
1165 | //\r | |
1166 | HBufferImageOnlyLineNeedRefresh = TRUE;\r | |
1167 | \r | |
1168 | //\r | |
1169 | // not a full line and beyond the last character\r | |
1170 | //\r | |
1171 | if (FCol > Line->Size) {\r | |
1172 | //\r | |
1173 | // cursor always at high 4 bits\r | |
1174 | // and always put input to the low 4 bits\r | |
1175 | //\r | |
1176 | Line->Buffer[Line->Size] = (UINT8) Value;\r | |
1177 | Line->Size++;\r | |
1178 | High = FALSE;\r | |
1179 | } else {\r | |
1180 | \r | |
1181 | Old = Line->Buffer[FCol - 1];\r | |
1182 | \r | |
1183 | //\r | |
1184 | // always put the input to the low 4 bits\r | |
1185 | //\r | |
1186 | Old = (UINT8) (Old & 0x0f);\r | |
1187 | Old = (UINT8) (Old << 4);\r | |
1188 | Old = (UINT8) (Value + Old);\r | |
1189 | Line->Buffer[FCol - 1] = Old;\r | |
1190 | \r | |
1191 | //\r | |
1192 | // at the low 4 bits of the last character of a full line\r | |
1193 | // so if no next line, need to create a new line\r | |
1194 | //\r | |
ae724571 | 1195 | if (!High && FCol == 0x10) {\r |
632820d1 | 1196 | \r |
1197 | HBufferImageOnlyLineNeedRefresh = FALSE;\r | |
1198 | HBufferImageNeedRefresh = TRUE;\r | |
1199 | \r | |
1200 | if (Line->Link.ForwardLink == HBufferImage.ListHead) {\r | |
1201 | //\r | |
1202 | // last line\r | |
1203 | //\r | |
1204 | // create a new line\r | |
1205 | //\r | |
1206 | NewLine = HBufferImageCreateLine ();\r | |
1207 | if (NewLine == NULL) {\r | |
1208 | return EFI_OUT_OF_RESOURCES;\r | |
1209 | }\r | |
1210 | //\r | |
1211 | // end of NULL\r | |
1212 | //\r | |
1213 | }\r | |
1214 | //\r | |
1215 | // end of == ListHead\r | |
1216 | //\r | |
1217 | }\r | |
1218 | //\r | |
1219 | // end of == 0x10\r | |
1220 | //\r | |
1221 | // if already at end of this line, scroll it to the start of next line\r | |
1222 | //\r | |
ae724571 | 1223 | if (FCol == 0x10 && !High) {\r |
632820d1 | 1224 | //\r |
1225 | // definitely has next line\r | |
1226 | //\r | |
1227 | FRow++;\r | |
1228 | FCol = 1;\r | |
1229 | High = TRUE;\r | |
1230 | } else {\r | |
1231 | //\r | |
1232 | // if not at end of this line, just move to next column\r | |
1233 | //\r | |
1234 | if (!High) {\r | |
1235 | FCol++;\r | |
1236 | }\r | |
1237 | \r | |
1238 | if (High) {\r | |
1239 | High = FALSE;\r | |
1240 | } else {\r | |
1241 | High = TRUE;\r | |
1242 | }\r | |
1243 | \r | |
1244 | }\r | |
1245 | //\r | |
1246 | // end of ==FALSE\r | |
1247 | //\r | |
1248 | }\r | |
1249 | //\r | |
1250 | // move cursor to right\r | |
1251 | //\r | |
1252 | HBufferImageMovePosition (FRow, FCol, High);\r | |
1253 | \r | |
1254 | if (!HBufferImage.Modified) {\r | |
1255 | HBufferImage.Modified = TRUE;\r | |
1256 | }\r | |
1257 | \r | |
1258 | return EFI_SUCCESS;\r | |
1259 | }\r | |
1260 | \r | |
ae724571 | 1261 | /**\r |
a1d4bfcc | 1262 | Delete the previous character.\r |
ae724571 | 1263 | \r |
a1d4bfcc | 1264 | @retval EFI_SUCCESS The operationw as successful.\r |
ae724571 | 1265 | **/\r |
a1d4bfcc | 1266 | EFI_STATUS\r |
1267 | EFIAPI\r | |
1268 | HBufferImageDoBackspace (\r | |
1269 | VOID\r | |
632820d1 | 1270 | )\r |
632820d1 | 1271 | {\r |
a1d4bfcc | 1272 | HEFI_EDITOR_LINE *Line;\r |
632820d1 | 1273 | \r |
a1d4bfcc | 1274 | UINTN FileColumn;\r |
1275 | UINTN FPos;\r | |
1276 | BOOLEAN LastLine;\r | |
1277 | \r | |
1278 | //\r | |
1279 | // variable initialization\r | |
1280 | //\r | |
1281 | LastLine = FALSE;\r | |
1282 | \r | |
1283 | //\r | |
1284 | // already the first character\r | |
1285 | //\r | |
1286 | if (HBufferImage.BufferPosition.Row == 1 && HBufferImage.BufferPosition.Column == 1) {\r | |
1287 | return EFI_SUCCESS;\r | |
1288 | }\r | |
1289 | \r | |
1290 | FPos = (HBufferImage.BufferPosition.Row - 1) * 0x10 + HBufferImage.BufferPosition.Column - 1;\r | |
1291 | \r | |
1292 | FileColumn = HBufferImage.BufferPosition.Column;\r | |
1293 | \r | |
1294 | Line = HBufferImage.CurrentLine;\r | |
1295 | LastLine = FALSE;\r | |
1296 | if (Line->Link.ForwardLink == HBufferImage.ListHead && FileColumn > 1) {\r | |
1297 | LastLine = TRUE;\r | |
1298 | }\r | |
1299 | \r | |
1300 | HBufferImageDeleteCharacterFromBuffer (FPos - 1, 1, NULL);\r | |
1301 | \r | |
1302 | //\r | |
1303 | // if is the last line\r | |
1304 | // then only this line need to be refreshed\r | |
1305 | //\r | |
1306 | if (LastLine) {\r | |
1307 | HBufferImageNeedRefresh = FALSE;\r | |
1308 | HBufferImageOnlyLineNeedRefresh = TRUE;\r | |
1309 | } else {\r | |
1310 | HBufferImageNeedRefresh = TRUE;\r | |
1311 | HBufferImageOnlyLineNeedRefresh = FALSE;\r | |
1312 | }\r | |
1313 | \r | |
1314 | if (!HBufferImage.Modified) {\r | |
1315 | HBufferImage.Modified = TRUE;\r | |
1316 | }\r | |
1317 | \r | |
1318 | return EFI_SUCCESS;\r | |
1319 | }\r | |
1320 | \r | |
1321 | /**\r | |
1322 | ASCII key + Backspace + return.\r | |
1323 | \r | |
1324 | @param[in] Char The input char.\r | |
1325 | \r | |
1326 | @retval EFI_SUCCESS The operation was successful.\r | |
1327 | @retval EFI_LOAD_ERROR A load error occured.\r | |
1328 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1329 | **/\r | |
1330 | EFI_STATUS\r | |
1331 | EFIAPI\r | |
1332 | HBufferImageDoCharInput (\r | |
1333 | IN CHAR16 Char\r | |
1334 | )\r | |
1335 | {\r | |
1336 | EFI_STATUS Status;\r | |
1337 | \r | |
1338 | Status = EFI_SUCCESS;\r | |
1339 | \r | |
1340 | switch (Char) {\r | |
1341 | case 0:\r | |
1342 | break;\r | |
1343 | \r | |
1344 | case 0x08:\r | |
1345 | Status = HBufferImageDoBackspace ();\r | |
1346 | break;\r | |
1347 | \r | |
1348 | case 0x09:\r | |
1349 | case 0x0a:\r | |
1350 | case 0x0d:\r | |
1351 | //\r | |
1352 | // Tabs, Returns are thought as nothing\r | |
1353 | //\r | |
1354 | break;\r | |
1355 | \r | |
1356 | default:\r | |
1357 | //\r | |
1358 | // DEAL WITH ASCII CHAR, filter out thing like ctrl+f\r | |
1359 | //\r | |
1360 | if (Char > 127 || Char < 32) {\r | |
1361 | Status = StatusBarSetStatusString (L"Unknown Command");\r | |
1362 | } else {\r | |
1363 | Status = HBufferImageAddChar (Char);\r | |
1364 | }\r | |
1365 | \r | |
1366 | break;\r | |
1367 | }\r | |
1368 | \r | |
1369 | return Status;\r | |
632820d1 | 1370 | }\r |
1371 | \r | |
ae724571 | 1372 | /**\r |
1373 | Check user specified FileRow is above current screen.\r | |
1374 | \r | |
1375 | @param[in] FileRow Row of file position ( start from 1 ).\r | |
1376 | \r | |
1377 | @retval TRUE It is above the current screen.\r | |
1378 | @retval FALSE It is not above the current screen.\r | |
1379 | \r | |
1380 | **/\r | |
632820d1 | 1381 | BOOLEAN\r |
1382 | HAboveCurrentScreen (\r | |
1383 | IN UINTN FileRow\r | |
1384 | )\r | |
632820d1 | 1385 | {\r |
1386 | if (FileRow < HBufferImage.LowVisibleRow) {\r | |
1387 | return TRUE;\r | |
1388 | }\r | |
1389 | \r | |
1390 | return FALSE;\r | |
1391 | }\r | |
1392 | \r | |
ae724571 | 1393 | /**\r |
1394 | Check user specified FileRow is under current screen.\r | |
1395 | \r | |
1396 | @param[in] FileRow Row of file position ( start from 1 ).\r | |
1397 | \r | |
1398 | @retval TRUE It is under the current screen.\r | |
1399 | @retval FALSE It is not under the current screen.\r | |
1400 | \r | |
1401 | **/\r | |
632820d1 | 1402 | BOOLEAN\r |
1403 | HUnderCurrentScreen (\r | |
1404 | IN UINTN FileRow\r | |
1405 | )\r | |
632820d1 | 1406 | {\r |
5a2beb74 | 1407 | if (FileRow > HBufferImage.LowVisibleRow + (HMainEditor.ScreenSize.Row - 2) - 1) {\r |
632820d1 | 1408 | return TRUE;\r |
1409 | }\r | |
1410 | \r | |
1411 | return FALSE;\r | |
1412 | }\r | |
1413 | \r | |
ae724571 | 1414 | /**\r |
1415 | According to cursor's file position, adjust screen display.\r | |
1416 | \r | |
1417 | @param[in] NewFilePosRow Row of file position ( start from 1 ).\r | |
1418 | @param[in] NewFilePosCol Column of file position ( start from 1 ).\r | |
1419 | @param[in] HighBits Cursor will on high4 bits or low4 bits.\r | |
1420 | **/\r | |
632820d1 | 1421 | VOID\r |
1422 | HBufferImageMovePosition (\r | |
1423 | IN UINTN NewFilePosRow,\r | |
1424 | IN UINTN NewFilePosCol,\r | |
1425 | IN BOOLEAN HighBits\r | |
1426 | )\r | |
632820d1 | 1427 | {\r |
1428 | INTN RowGap;\r | |
1429 | UINTN Abs;\r | |
1430 | BOOLEAN Above;\r | |
1431 | BOOLEAN Under;\r | |
1432 | UINTN NewDisplayCol;\r | |
1433 | \r | |
1434 | //\r | |
1435 | // CALCULATE gap between current file position and new file position\r | |
1436 | //\r | |
1437 | RowGap = NewFilePosRow - HBufferImage.BufferPosition.Row;\r | |
1438 | \r | |
1439 | Under = HUnderCurrentScreen (NewFilePosRow);\r | |
1440 | Above = HAboveCurrentScreen (NewFilePosRow);\r | |
1441 | \r | |
1442 | HBufferImage.HighBits = HighBits;\r | |
1443 | \r | |
1444 | //\r | |
1445 | // if is below current screen\r | |
1446 | //\r | |
1447 | if (Under) {\r | |
1448 | //\r | |
1449 | // display row will be unchanged\r | |
1450 | //\r | |
1451 | HBufferImage.BufferPosition.Row = NewFilePosRow;\r | |
1452 | } else {\r | |
1453 | if (Above) {\r | |
1454 | //\r | |
1455 | // has enough above line, so display row unchanged\r | |
1456 | // not has enough above lines, so the first line is\r | |
1457 | // at the first display line\r | |
1458 | //\r | |
1459 | if (NewFilePosRow < (HBufferImage.DisplayPosition.Row - 2 + 1)) {\r | |
1460 | HBufferImage.DisplayPosition.Row = NewFilePosRow + 2 - 1;\r | |
1461 | }\r | |
1462 | \r | |
1463 | HBufferImage.BufferPosition.Row = NewFilePosRow;\r | |
1464 | } else {\r | |
1465 | //\r | |
1466 | // in current screen\r | |
1467 | //\r | |
1468 | HBufferImage.BufferPosition.Row = NewFilePosRow;\r | |
1469 | if (RowGap <= 0) {\r | |
33c031ee | 1470 | Abs = (UINTN)ABS(RowGap);\r |
632820d1 | 1471 | HBufferImage.DisplayPosition.Row -= Abs;\r |
1472 | } else {\r | |
1473 | HBufferImage.DisplayPosition.Row += RowGap;\r | |
1474 | }\r | |
1475 | \r | |
1476 | }\r | |
1477 | }\r | |
1478 | \r | |
1479 | HBufferImage.LowVisibleRow = HBufferImage.BufferPosition.Row - (HBufferImage.DisplayPosition.Row - 2);\r | |
1480 | \r | |
1481 | //\r | |
1482 | // always in current screen\r | |
1483 | //\r | |
1484 | HBufferImage.BufferPosition.Column = NewFilePosCol;\r | |
1485 | \r | |
1486 | NewDisplayCol = 10 + (NewFilePosCol - 1) * 3;\r | |
1487 | if (NewFilePosCol > 0x8) {\r | |
1488 | NewDisplayCol++;\r | |
1489 | }\r | |
1490 | \r | |
ae724571 | 1491 | if (!HighBits) {\r |
632820d1 | 1492 | NewDisplayCol++;\r |
1493 | }\r | |
1494 | \r | |
1495 | HBufferImage.DisplayPosition.Column = NewDisplayCol;\r | |
1496 | \r | |
1497 | //\r | |
1498 | // let CurrentLine point to correct line;\r | |
1499 | //\r | |
1500 | HBufferImage.CurrentLine = HMoveCurrentLine (RowGap);\r | |
1501 | \r | |
1502 | }\r | |
1503 | \r | |
ae724571 | 1504 | /**\r |
1505 | Scroll cursor to right.\r | |
1506 | \r | |
1507 | @retval EFI_SUCCESS The operation was successful.\r | |
1508 | **/\r | |
632820d1 | 1509 | EFI_STATUS\r |
1510 | HBufferImageScrollRight (\r | |
1511 | VOID\r | |
1512 | )\r | |
632820d1 | 1513 | {\r |
1514 | HEFI_EDITOR_LINE *Line;\r | |
1515 | UINTN FRow;\r | |
1516 | UINTN FCol;\r | |
1517 | \r | |
1518 | //\r | |
1519 | // scroll right will always move to the high4 bits of the next character\r | |
1520 | //\r | |
1521 | HBufferImageNeedRefresh = FALSE;\r | |
1522 | HBufferImageOnlyLineNeedRefresh = FALSE;\r | |
1523 | \r | |
1524 | Line = HBufferImage.CurrentLine;\r | |
1525 | \r | |
1526 | FRow = HBufferImage.BufferPosition.Row;\r | |
1527 | FCol = HBufferImage.BufferPosition.Column;\r | |
1528 | \r | |
1529 | //\r | |
1530 | // this line is not full and no next line\r | |
1531 | //\r | |
1532 | if (FCol > Line->Size) {\r | |
1533 | return EFI_SUCCESS;\r | |
1534 | }\r | |
1535 | //\r | |
1536 | // if already at end of this line, scroll it to the start of next line\r | |
1537 | //\r | |
1538 | if (FCol == 0x10) {\r | |
1539 | //\r | |
1540 | // has next line\r | |
1541 | //\r | |
1542 | if (Line->Link.ForwardLink != HBufferImage.ListHead) {\r | |
1543 | FRow++;\r | |
1544 | FCol = 1;\r | |
1545 | \r | |
1546 | } else {\r | |
1547 | return EFI_SUCCESS;\r | |
1548 | }\r | |
1549 | } else {\r | |
1550 | //\r | |
1551 | // if not at end of this line, just move to next column\r | |
1552 | //\r | |
1553 | FCol++;\r | |
1554 | \r | |
1555 | }\r | |
1556 | \r | |
1557 | HBufferImageMovePosition (FRow, FCol, TRUE);\r | |
1558 | \r | |
1559 | return EFI_SUCCESS;\r | |
1560 | }\r | |
1561 | \r | |
ae724571 | 1562 | /**\r |
1563 | Scroll cursor to left.\r | |
1564 | \r | |
1565 | @retval EFI_SUCCESS The operation was successful.\r | |
1566 | **/\r | |
632820d1 | 1567 | EFI_STATUS\r |
1568 | HBufferImageScrollLeft (\r | |
1569 | VOID\r | |
1570 | )\r | |
632820d1 | 1571 | {\r |
1572 | \r | |
1573 | HEFI_EDITOR_LINE *Line;\r | |
1574 | UINTN FRow;\r | |
1575 | UINTN FCol;\r | |
1576 | \r | |
1577 | HBufferImageNeedRefresh = FALSE;\r | |
1578 | HBufferImageOnlyLineNeedRefresh = FALSE;\r | |
1579 | \r | |
1580 | Line = HBufferImage.CurrentLine;\r | |
1581 | \r | |
1582 | FRow = HBufferImage.BufferPosition.Row;\r | |
1583 | FCol = HBufferImage.BufferPosition.Column;\r | |
1584 | \r | |
1585 | //\r | |
1586 | // if already at start of this line, so move to the end of previous line\r | |
1587 | //\r | |
1588 | if (FCol <= 1) {\r | |
1589 | //\r | |
1590 | // has previous line\r | |
1591 | //\r | |
1592 | if (Line->Link.BackLink != HBufferImage.ListHead) {\r | |
1593 | FRow--;\r | |
1594 | Line = CR (Line->Link.BackLink, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);\r | |
1595 | FCol = Line->Size;\r | |
1596 | } else {\r | |
1597 | return EFI_SUCCESS;\r | |
1598 | }\r | |
1599 | } else {\r | |
1600 | //\r | |
1601 | // if not at start of this line, just move to previous column\r | |
1602 | //\r | |
1603 | FCol--;\r | |
1604 | }\r | |
1605 | \r | |
1606 | HBufferImageMovePosition (FRow, FCol, TRUE);\r | |
1607 | \r | |
1608 | return EFI_SUCCESS;\r | |
1609 | }\r | |
1610 | \r | |
ae724571 | 1611 | /**\r |
1612 | Scroll cursor to the next line\r | |
1613 | \r | |
1614 | @retval EFI_SUCCESS The operation was successful.\r | |
1615 | **/\r | |
632820d1 | 1616 | EFI_STATUS\r |
1617 | HBufferImageScrollDown (\r | |
1618 | VOID\r | |
1619 | )\r | |
632820d1 | 1620 | {\r |
1621 | HEFI_EDITOR_LINE *Line;\r | |
1622 | UINTN FRow;\r | |
1623 | UINTN FCol;\r | |
1624 | BOOLEAN HighBits;\r | |
1625 | \r | |
1626 | Line = HBufferImage.CurrentLine;\r | |
1627 | \r | |
1628 | FRow = HBufferImage.BufferPosition.Row;\r | |
1629 | FCol = HBufferImage.BufferPosition.Column;\r | |
1630 | HighBits = HBufferImage.HighBits;\r | |
1631 | \r | |
1632 | //\r | |
1633 | // has next line\r | |
1634 | //\r | |
1635 | if (Line->Link.ForwardLink != HBufferImage.ListHead) {\r | |
1636 | FRow++;\r | |
1637 | Line = CR (Line->Link.ForwardLink, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);\r | |
1638 | \r | |
1639 | //\r | |
1640 | // if the next line is not that long, so move to end of next line\r | |
1641 | //\r | |
1642 | if (FCol > Line->Size) {\r | |
1643 | FCol = Line->Size + 1;\r | |
1644 | HighBits = TRUE;\r | |
1645 | }\r | |
1646 | \r | |
1647 | } else {\r | |
1648 | return EFI_SUCCESS;\r | |
1649 | }\r | |
1650 | \r | |
1651 | HBufferImageMovePosition (FRow, FCol, HighBits);\r | |
1652 | \r | |
1653 | return EFI_SUCCESS;\r | |
1654 | }\r | |
1655 | \r | |
ae724571 | 1656 | /**\r |
1657 | Scroll cursor to previous line\r | |
1658 | \r | |
1659 | @retval EFI_SUCCESS The operation was successful.\r | |
1660 | **/\r | |
632820d1 | 1661 | EFI_STATUS\r |
1662 | HBufferImageScrollUp (\r | |
1663 | VOID\r | |
1664 | )\r | |
632820d1 | 1665 | {\r |
1666 | HEFI_EDITOR_LINE *Line;\r | |
1667 | UINTN FRow;\r | |
1668 | UINTN FCol;\r | |
1669 | \r | |
1670 | Line = HBufferImage.CurrentLine;\r | |
1671 | \r | |
1672 | FRow = HBufferImage.BufferPosition.Row;\r | |
1673 | FCol = HBufferImage.BufferPosition.Column;\r | |
1674 | \r | |
1675 | //\r | |
1676 | // has previous line\r | |
1677 | //\r | |
1678 | if (Line->Link.BackLink != HBufferImage.ListHead) {\r | |
1679 | FRow--;\r | |
1680 | \r | |
1681 | } else {\r | |
1682 | return EFI_SUCCESS;\r | |
1683 | }\r | |
1684 | \r | |
1685 | HBufferImageMovePosition (FRow, FCol, HBufferImage.HighBits);\r | |
1686 | \r | |
1687 | return EFI_SUCCESS;\r | |
1688 | }\r | |
1689 | \r | |
ae724571 | 1690 | /**\r |
1691 | Scroll cursor to next page\r | |
1692 | \r | |
1693 | @retval EFI_SUCCESS The operation was successful.\r | |
1694 | **/\r | |
632820d1 | 1695 | EFI_STATUS\r |
1696 | HBufferImagePageDown (\r | |
1697 | VOID\r | |
1698 | )\r | |
632820d1 | 1699 | {\r |
1700 | HEFI_EDITOR_LINE *Line;\r | |
1701 | UINTN FRow;\r | |
1702 | UINTN FCol;\r | |
1703 | UINTN Gap;\r | |
1704 | BOOLEAN HighBits;\r | |
1705 | \r | |
1706 | Line = HBufferImage.CurrentLine;\r | |
1707 | \r | |
1708 | FRow = HBufferImage.BufferPosition.Row;\r | |
1709 | FCol = HBufferImage.BufferPosition.Column;\r | |
1710 | HighBits = HBufferImage.HighBits;\r | |
1711 | \r | |
1712 | //\r | |
1713 | // has next page\r | |
1714 | //\r | |
5a2beb74 | 1715 | if (HBufferImage.NumLines >= FRow + (HMainEditor.ScreenSize.Row - 2)) {\r |
1716 | Gap = (HMainEditor.ScreenSize.Row - 2);\r | |
632820d1 | 1717 | } else {\r |
1718 | //\r | |
1719 | // MOVE CURSOR TO LAST LINE\r | |
1720 | //\r | |
1721 | Gap = HBufferImage.NumLines - FRow;\r | |
1722 | }\r | |
1723 | //\r | |
1724 | // get correct line\r | |
1725 | //\r | |
1726 | Line = HMoveLine (Gap);\r | |
1727 | \r | |
1728 | //\r | |
1729 | // if that line, is not that long, so move to the end of that line\r | |
1730 | //\r | |
33c031ee | 1731 | if (Line != NULL && FCol > Line->Size) {\r |
632820d1 | 1732 | FCol = Line->Size + 1;\r |
1733 | HighBits = TRUE;\r | |
1734 | }\r | |
1735 | \r | |
1736 | FRow += Gap;\r | |
1737 | \r | |
1738 | HBufferImageMovePosition (FRow, FCol, HighBits);\r | |
1739 | \r | |
1740 | return EFI_SUCCESS;\r | |
1741 | }\r | |
1742 | \r | |
ae724571 | 1743 | /**\r |
1744 | Scroll cursor to previous page\r | |
1745 | \r | |
1746 | @retval EFI_SUCCESS The operation was successful.\r | |
1747 | **/\r | |
632820d1 | 1748 | EFI_STATUS\r |
1749 | HBufferImagePageUp (\r | |
1750 | VOID\r | |
1751 | )\r | |
632820d1 | 1752 | {\r |
632820d1 | 1753 | UINTN FRow;\r |
1754 | UINTN FCol;\r | |
1755 | UINTN Gap;\r | |
1756 | INTN Retreat;\r | |
1757 | \r | |
632820d1 | 1758 | FRow = HBufferImage.BufferPosition.Row;\r |
1759 | FCol = HBufferImage.BufferPosition.Column;\r | |
1760 | \r | |
1761 | //\r | |
1762 | // has previous page\r | |
1763 | //\r | |
5a2beb74 | 1764 | if (FRow > (HMainEditor.ScreenSize.Row - 2)) {\r |
1765 | Gap = (HMainEditor.ScreenSize.Row - 2);\r | |
632820d1 | 1766 | } else {\r |
1767 | //\r | |
1768 | // the first line of file will displayed on the first line of screen\r | |
1769 | //\r | |
1770 | Gap = FRow - 1;\r | |
1771 | }\r | |
1772 | \r | |
1773 | Retreat = Gap;\r | |
1774 | Retreat = -Retreat;\r | |
1775 | \r | |
632820d1 | 1776 | FRow -= Gap;\r |
1777 | \r | |
1778 | HBufferImageMovePosition (FRow, FCol, HBufferImage.HighBits);\r | |
1779 | \r | |
1780 | return EFI_SUCCESS;\r | |
1781 | }\r | |
1782 | \r | |
ae724571 | 1783 | /**\r |
1784 | Scroll cursor to start of line\r | |
1785 | \r | |
1786 | @retval EFI_SUCCESS The operation was successful.\r | |
1787 | **/\r | |
632820d1 | 1788 | EFI_STATUS\r |
1789 | HBufferImageHome (\r | |
1790 | VOID\r | |
1791 | )\r | |
632820d1 | 1792 | {\r |
632820d1 | 1793 | UINTN FRow;\r |
1794 | UINTN FCol;\r | |
1795 | BOOLEAN HighBits;\r | |
1796 | \r | |
632820d1 | 1797 | //\r |
1798 | // curosr will at the high bit\r | |
1799 | //\r | |
1800 | FRow = HBufferImage.BufferPosition.Row;\r | |
1801 | FCol = 1;\r | |
1802 | HighBits = TRUE;\r | |
1803 | \r | |
1804 | //\r | |
1805 | // move cursor position\r | |
1806 | //\r | |
1807 | HBufferImageMovePosition (FRow, FCol, HighBits);\r | |
1808 | \r | |
1809 | return EFI_SUCCESS;\r | |
1810 | }\r | |
1811 | \r | |
ae724571 | 1812 | /**\r |
1813 | Scroll cursor to end of line.\r | |
1814 | \r | |
1815 | @retval EFI_SUCCESS Teh operation was successful.\r | |
1816 | **/\r | |
632820d1 | 1817 | EFI_STATUS\r |
1818 | HBufferImageEnd (\r | |
1819 | VOID\r | |
1820 | )\r | |
632820d1 | 1821 | {\r |
1822 | HEFI_EDITOR_LINE *Line;\r | |
1823 | UINTN FRow;\r | |
1824 | UINTN FCol;\r | |
1825 | BOOLEAN HighBits;\r | |
1826 | \r | |
1827 | //\r | |
1828 | // need refresh mouse\r | |
1829 | //\r | |
1830 | HBufferImageMouseNeedRefresh = TRUE;\r | |
1831 | \r | |
1832 | Line = HBufferImage.CurrentLine;\r | |
1833 | \r | |
1834 | FRow = HBufferImage.BufferPosition.Row;\r | |
1835 | \r | |
1836 | if (Line->Size == 0x10) {\r | |
1837 | FCol = Line->Size;\r | |
1838 | HighBits = FALSE;\r | |
1839 | } else {\r | |
1840 | FCol = Line->Size + 1;\r | |
1841 | HighBits = TRUE;\r | |
1842 | }\r | |
1843 | //\r | |
1844 | // move cursor position\r | |
1845 | //\r | |
1846 | HBufferImageMovePosition (FRow, FCol, HighBits);\r | |
1847 | \r | |
1848 | return EFI_SUCCESS;\r | |
1849 | }\r | |
1850 | \r | |
ae724571 | 1851 | /**\r |
1852 | Get the size of the open buffer.\r | |
1853 | \r | |
1854 | @retval The size in bytes.\r | |
1855 | **/\r | |
632820d1 | 1856 | UINTN\r |
1857 | HBufferImageGetTotalSize (\r | |
1858 | VOID\r | |
1859 | )\r | |
1860 | {\r | |
1861 | UINTN Size;\r | |
1862 | \r | |
1863 | HEFI_EDITOR_LINE *Line;\r | |
1864 | \r | |
1865 | //\r | |
1866 | // calculate the total size of whole line list's buffer\r | |
1867 | //\r | |
1868 | if (HBufferImage.Lines == NULL) {\r | |
1869 | return 0;\r | |
1870 | }\r | |
1871 | \r | |
1872 | Line = CR (\r | |
1873 | HBufferImage.ListHead->BackLink,\r | |
1874 | HEFI_EDITOR_LINE,\r | |
1875 | Link,\r | |
1876 | EFI_EDITOR_LINE_LIST\r | |
1877 | );\r | |
1878 | //\r | |
1879 | // one line at most 0x10\r | |
1880 | //\r | |
1881 | Size = 0x10 * (HBufferImage.NumLines - 1) + Line->Size;\r | |
1882 | \r | |
1883 | return Size;\r | |
1884 | }\r | |
1885 | \r | |
ae724571 | 1886 | /**\r |
1887 | Delete character from buffer.\r | |
1888 | \r | |
1889 | @param[in] Pos Position, Pos starting from 0.\r | |
1890 | @param[in] Count The Count of characters to delete.\r | |
a1d4bfcc | 1891 | @param[out] DeleteBuffer The DeleteBuffer.\r |
ae724571 | 1892 | \r |
1893 | @retval EFI_SUCCESS Success \r | |
1894 | **/\r | |
632820d1 | 1895 | EFI_STATUS\r |
1896 | HBufferImageDeleteCharacterFromBuffer (\r | |
1897 | IN UINTN Pos,\r | |
1898 | IN UINTN Count,\r | |
1899 | OUT UINT8 *DeleteBuffer\r | |
1900 | )\r | |
632820d1 | 1901 | {\r |
1902 | UINTN Index;\r | |
1903 | \r | |
1904 | VOID *Buffer;\r | |
1905 | UINT8 *BufferPtr;\r | |
1906 | UINTN Size;\r | |
1907 | \r | |
1908 | HEFI_EDITOR_LINE *Line;\r | |
1909 | LIST_ENTRY *Link;\r | |
632820d1 | 1910 | \r |
1911 | UINTN OldFCol;\r | |
1912 | UINTN OldFRow;\r | |
1913 | UINTN OldPos;\r | |
1914 | \r | |
1915 | UINTN NewPos;\r | |
1916 | \r | |
1917 | EFI_STATUS Status;\r | |
1918 | \r | |
632820d1 | 1919 | Size = HBufferImageGetTotalSize ();\r |
1920 | \r | |
1921 | if (Size < Count) {\r | |
1922 | return EFI_LOAD_ERROR;\r | |
1923 | }\r | |
1924 | \r | |
1925 | if (Size == 0) {\r | |
1926 | return EFI_SUCCESS;\r | |
1927 | }\r | |
1928 | \r | |
1929 | //\r | |
1930 | // relocate all the HBufferImage fields\r | |
1931 | //\r | |
1932 | OldFRow = HBufferImage.BufferPosition.Row;\r | |
1933 | OldFCol = HBufferImage.BufferPosition.Column;\r | |
1934 | OldPos = (OldFRow - 1) * 0x10 + OldFCol - 1;\r | |
1935 | \r | |
1936 | if (Pos > 0) {\r | |
1937 | //\r | |
1938 | // has character before it,\r | |
1939 | // so locate according to block's previous character\r | |
1940 | //\r | |
1941 | NewPos = Pos - 1;\r | |
1942 | \r | |
1943 | } else {\r | |
1944 | //\r | |
1945 | // has no character before it,\r | |
1946 | // so locate according to block's next character\r | |
1947 | //\r | |
1948 | NewPos = 0;\r | |
1949 | }\r | |
1950 | \r | |
1951 | HBufferImageMovePosition (NewPos / 0x10 + 1, NewPos % 0x10 + 1, TRUE);\r | |
1952 | \r | |
1953 | Buffer = AllocateZeroPool (Size);\r | |
1954 | if (Buffer == NULL) {\r | |
1955 | return EFI_OUT_OF_RESOURCES;\r | |
1956 | }\r | |
1957 | \r | |
1958 | HBufferImageListToBuffer (Buffer, Size);\r | |
1959 | \r | |
1960 | BufferPtr = (UINT8 *) Buffer;\r | |
1961 | \r | |
1962 | //\r | |
1963 | // pass deleted buffer out\r | |
1964 | //\r | |
1965 | if (DeleteBuffer != NULL) {\r | |
1966 | for (Index = 0; Index < Count; Index++) {\r | |
1967 | DeleteBuffer[Index] = BufferPtr[Pos + Index];\r | |
1968 | }\r | |
1969 | }\r | |
1970 | //\r | |
1971 | // delete the part from Pos\r | |
1972 | //\r | |
1973 | for (Index = Pos; Index < Size - Count; Index++) {\r | |
1974 | BufferPtr[Index] = BufferPtr[Index + Count];\r | |
1975 | }\r | |
1976 | \r | |
1977 | Size -= Count;\r | |
1978 | \r | |
1979 | HBufferImageFreeLines ();\r | |
1980 | \r | |
1981 | Status = HBufferImageBufferToList (Buffer, Size);\r | |
1982 | FreePool (Buffer);\r | |
1983 | \r | |
1984 | if (EFI_ERROR (Status)) {\r | |
1985 | return Status;\r | |
1986 | }\r | |
1987 | \r | |
1988 | Link = HMainEditor.BufferImage->ListHead->ForwardLink;\r | |
1989 | for (Index = 0; Index < NewPos / 0x10; Index++) {\r | |
1990 | Link = Link->ForwardLink;\r | |
1991 | }\r | |
1992 | \r | |
1993 | Line = CR (Link, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);\r | |
1994 | HBufferImage.CurrentLine = Line;\r | |
1995 | \r | |
1996 | //\r | |
1997 | // if current cursor position if inside select area\r | |
1998 | // then move it to the block's NEXT character\r | |
1999 | //\r | |
2000 | if (OldPos >= Pos && OldPos < (Pos + Count)) {\r | |
2001 | NewPos = Pos;\r | |
2002 | } else {\r | |
2003 | if (OldPos < Pos) {\r | |
2004 | NewPos = OldPos;\r | |
2005 | } else {\r | |
2006 | NewPos = OldPos - Count;\r | |
2007 | }\r | |
2008 | }\r | |
2009 | \r | |
2010 | HBufferImageMovePosition (NewPos / 0x10 + 1, NewPos % 0x10 + 1, TRUE);\r | |
2011 | \r | |
2012 | return EFI_SUCCESS;\r | |
2013 | }\r | |
2014 | \r | |
ae724571 | 2015 | /**\r |
2016 | Add character to buffer, add before pos.\r | |
2017 | \r | |
2018 | @param[in] Pos Position, Pos starting from 0.\r | |
2019 | @param[in] Count Count of characters to add.\r | |
2020 | @param[in] AddBuffer Add buffer.\r | |
2021 | \r | |
2022 | @retval EFI_SUCCESS Success. \r | |
2023 | **/\r | |
632820d1 | 2024 | EFI_STATUS\r |
2025 | HBufferImageAddCharacterToBuffer (\r | |
2026 | IN UINTN Pos,\r | |
2027 | IN UINTN Count,\r | |
2028 | IN UINT8 *AddBuffer\r | |
2029 | )\r | |
632820d1 | 2030 | {\r |
2031 | INTN Index;\r | |
2032 | \r | |
2033 | VOID *Buffer;\r | |
2034 | UINT8 *BufferPtr;\r | |
2035 | UINTN Size;\r | |
2036 | \r | |
2037 | HEFI_EDITOR_LINE *Line;\r | |
2038 | \r | |
2039 | LIST_ENTRY *Link;\r | |
632820d1 | 2040 | \r |
2041 | UINTN OldFCol;\r | |
2042 | UINTN OldFRow;\r | |
2043 | UINTN OldPos;\r | |
2044 | \r | |
2045 | UINTN NewPos;\r | |
2046 | \r | |
632820d1 | 2047 | Size = HBufferImageGetTotalSize ();\r |
2048 | \r | |
2049 | //\r | |
2050 | // relocate all the HBufferImage fields\r | |
2051 | //\r | |
2052 | OldFRow = HBufferImage.BufferPosition.Row;\r | |
2053 | OldFCol = HBufferImage.BufferPosition.Column;\r | |
2054 | OldPos = (OldFRow - 1) * 0x10 + OldFCol - 1;\r | |
2055 | \r | |
2056 | //\r | |
2057 | // move cursor before Pos\r | |
2058 | //\r | |
2059 | if (Pos > 0) {\r | |
2060 | NewPos = Pos - 1;\r | |
2061 | } else {\r | |
2062 | NewPos = 0;\r | |
2063 | }\r | |
2064 | \r | |
2065 | HBufferImageMovePosition (NewPos / 0x10 + 1, NewPos % 0x10 + 1, TRUE);\r | |
2066 | \r | |
2067 | Buffer = AllocateZeroPool (Size + Count);\r | |
2068 | if (Buffer == NULL) {\r | |
2069 | return EFI_OUT_OF_RESOURCES;\r | |
2070 | }\r | |
2071 | \r | |
2072 | HBufferImageListToBuffer (Buffer, Size);\r | |
2073 | \r | |
2074 | BufferPtr = (UINT8 *) Buffer;\r | |
2075 | \r | |
2076 | //\r | |
2077 | // get a place to add\r | |
2078 | //\r | |
2079 | for (Index = (INTN) (Size + Count - 1); Index >= (INTN) Pos; Index--) {\r | |
2080 | BufferPtr[Index] = BufferPtr[Index - Count];\r | |
2081 | }\r | |
2082 | //\r | |
2083 | // add the buffer\r | |
2084 | //\r | |
2085 | for (Index = (INTN) 0; Index < (INTN) Count; Index++) {\r | |
2086 | BufferPtr[Index + Pos] = AddBuffer[Index];\r | |
2087 | }\r | |
2088 | \r | |
2089 | Size += Count;\r | |
2090 | \r | |
2091 | HBufferImageFreeLines ();\r | |
2092 | \r | |
2093 | HBufferImageBufferToList (Buffer, Size);\r | |
2094 | \r | |
2095 | FreePool (Buffer);\r | |
2096 | \r | |
2097 | Link = HMainEditor.BufferImage->ListHead->ForwardLink;\r | |
2098 | for (Index = 0; Index < (INTN) NewPos / 0x10; Index++) {\r | |
2099 | Link = Link->ForwardLink;\r | |
2100 | }\r | |
2101 | \r | |
2102 | Line = CR (Link, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);\r | |
2103 | HBufferImage.CurrentLine = Line;\r | |
2104 | \r | |
2105 | if (OldPos >= Pos) {\r | |
2106 | NewPos = OldPos + Count;\r | |
2107 | } else {\r | |
2108 | NewPos = OldPos;\r | |
2109 | }\r | |
2110 | \r | |
2111 | HBufferImageMovePosition (NewPos / 0x10 + 1, NewPos % 0x10 + 1, TRUE);\r | |
2112 | \r | |
2113 | return EFI_SUCCESS;\r | |
2114 | }\r | |
2115 | \r | |
ae724571 | 2116 | /**\r |
2117 | Delete current character from line.\r | |
2118 | \r | |
2119 | @retval EFI_SUCCESS The operationw as successful.\r | |
2120 | **/\r | |
632820d1 | 2121 | EFI_STATUS\r |
ae724571 | 2122 | EFIAPI\r |
632820d1 | 2123 | HBufferImageDoDelete (\r |
2124 | VOID\r | |
2125 | )\r | |
632820d1 | 2126 | {\r |
2127 | \r | |
2128 | HEFI_EDITOR_LINE *Line;\r | |
2129 | \r | |
2130 | BOOLEAN LastLine;\r | |
2131 | UINTN FileColumn;\r | |
2132 | UINTN FPos;\r | |
2133 | \r | |
2134 | FPos = (HBufferImage.BufferPosition.Row - 1) * 0x10 + HBufferImage.BufferPosition.Column - 1;\r | |
2135 | \r | |
2136 | FileColumn = HBufferImage.BufferPosition.Column;\r | |
2137 | \r | |
2138 | Line = HBufferImage.CurrentLine;\r | |
2139 | \r | |
2140 | //\r | |
2141 | // if beyond the last character\r | |
2142 | //\r | |
2143 | if (FileColumn > Line->Size) {\r | |
2144 | return EFI_SUCCESS;\r | |
2145 | }\r | |
2146 | \r | |
2147 | LastLine = FALSE;\r | |
2148 | if (Line->Link.ForwardLink == HBufferImage.ListHead) {\r | |
2149 | LastLine = TRUE;\r | |
2150 | }\r | |
2151 | \r | |
2152 | HBufferImageDeleteCharacterFromBuffer (FPos, 1, NULL);\r | |
2153 | \r | |
2154 | //\r | |
2155 | // if is the last line\r | |
2156 | // then only this line need to be refreshed\r | |
2157 | //\r | |
2158 | if (LastLine) {\r | |
2159 | HBufferImageNeedRefresh = FALSE;\r | |
2160 | HBufferImageOnlyLineNeedRefresh = TRUE;\r | |
2161 | } else {\r | |
2162 | HBufferImageNeedRefresh = TRUE;\r | |
2163 | HBufferImageOnlyLineNeedRefresh = FALSE;\r | |
2164 | }\r | |
2165 | \r | |
2166 | if (!HBufferImage.Modified) {\r | |
2167 | HBufferImage.Modified = TRUE;\r | |
2168 | }\r | |
2169 | \r | |
2170 | return EFI_SUCCESS;\r | |
2171 | }\r | |
2172 | \r | |
ae724571 | 2173 | /**\r |
2174 | Change the raw buffer to a list of lines for the UI.\r | |
2175 | \r | |
2176 | @param[in] Buffer The pointer to the buffer to fill.\r | |
2177 | @param[in] Bytes The size of the buffer in bytes.\r | |
2178 | \r | |
2179 | @retval EFI_SUCCESS The operation was successful.\r | |
2180 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2181 | **/\r | |
632820d1 | 2182 | EFI_STATUS\r |
ae724571 | 2183 | EFIAPI\r |
632820d1 | 2184 | HBufferImageBufferToList (\r |
2185 | IN VOID *Buffer,\r | |
2186 | IN UINTN Bytes\r | |
2187 | )\r | |
2188 | {\r | |
ae724571 | 2189 | UINTN TempI;\r |
2190 | UINTN TempJ;\r | |
632820d1 | 2191 | UINTN Left;\r |
2192 | HEFI_EDITOR_LINE *Line;\r | |
2193 | UINT8 *BufferPtr;\r | |
2194 | \r | |
ae724571 | 2195 | TempI = 0;\r |
632820d1 | 2196 | Left = 0;\r |
2197 | BufferPtr = (UINT8 *) Buffer;\r | |
2198 | \r | |
2199 | //\r | |
2200 | // parse file content line by line\r | |
2201 | //\r | |
ae724571 | 2202 | while (TempI < Bytes) {\r |
2203 | if (Bytes - TempI >= 0x10) {\r | |
632820d1 | 2204 | Left = 0x10;\r |
2205 | } else {\r | |
ae724571 | 2206 | Left = Bytes - TempI;\r |
632820d1 | 2207 | }\r |
2208 | \r | |
2209 | //\r | |
2210 | // allocate a new line\r | |
2211 | //\r | |
2212 | Line = HBufferImageCreateLine ();\r | |
2213 | if (Line == NULL) {\r | |
2214 | return EFI_OUT_OF_RESOURCES;\r | |
2215 | }\r | |
2216 | \r | |
2217 | Line->Size = Left;\r | |
2218 | \r | |
ae724571 | 2219 | for (TempJ = 0; TempJ < Left; TempJ++) {\r |
2220 | Line->Buffer[TempJ] = BufferPtr[TempI];\r | |
2221 | TempI++;\r | |
632820d1 | 2222 | }\r |
2223 | \r | |
2224 | }\r | |
2225 | \r | |
2226 | //\r | |
2227 | // last line is a full line, SO create a new line\r | |
2228 | //\r | |
2229 | if (Left == 0x10 || Bytes == 0) {\r | |
2230 | Line = HBufferImageCreateLine ();\r | |
2231 | if (Line == NULL) {\r | |
2232 | return EFI_OUT_OF_RESOURCES;\r | |
2233 | }\r | |
2234 | }\r | |
2235 | \r | |
2236 | return EFI_SUCCESS;\r | |
2237 | }\r | |
2238 | \r | |
ae724571 | 2239 | /**\r |
2240 | Change the list of lines from the UI to a raw buffer.\r | |
2241 | \r | |
2242 | @param[in] Buffer The pointer to the buffer to fill.\r | |
2243 | @param[in] Bytes The size of the buffer in bytes.\r | |
2244 | \r | |
2245 | @retval EFI_SUCCESS The operation was successful.\r | |
2246 | **/\r | |
632820d1 | 2247 | EFI_STATUS\r |
ae724571 | 2248 | EFIAPI\r |
632820d1 | 2249 | HBufferImageListToBuffer (\r |
2250 | IN VOID *Buffer,\r | |
2251 | IN UINTN Bytes\r | |
2252 | )\r | |
2253 | {\r | |
2254 | UINTN Count;\r | |
2255 | UINTN Index;\r | |
2256 | HEFI_EDITOR_LINE *Line;\r | |
2257 | LIST_ENTRY *Link;\r | |
2258 | UINT8 *BufferPtr;\r | |
2259 | \r | |
2260 | //\r | |
2261 | // change the line list to a large buffer\r | |
2262 | //\r | |
2263 | if (HBufferImage.Lines == NULL) {\r | |
2264 | return EFI_SUCCESS;\r | |
2265 | }\r | |
2266 | \r | |
2267 | Link = &HBufferImage.Lines->Link;\r | |
2268 | Count = 0;\r | |
2269 | BufferPtr = (UINT8 *) Buffer;\r | |
2270 | \r | |
2271 | //\r | |
2272 | // deal line by line\r | |
2273 | //\r | |
2274 | while (Link != HBufferImage.ListHead) {\r | |
2275 | \r | |
2276 | Line = CR (Link, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);\r | |
2277 | \r | |
ae724571 | 2278 | //@todo shouldn't this be an error???\r |
632820d1 | 2279 | if (Count + Line->Size > Bytes) {\r |
2280 | return EFI_SUCCESS;\r | |
2281 | }\r | |
2282 | \r | |
2283 | for (Index = 0; Index < Line->Size; Index++) {\r | |
2284 | BufferPtr[Index] = Line->Buffer[Index];\r | |
2285 | }\r | |
2286 | \r | |
2287 | Count += Line->Size;\r | |
2288 | BufferPtr += Line->Size;\r | |
2289 | \r | |
2290 | Link = Link->ForwardLink;\r | |
2291 | }\r | |
2292 | \r | |
2293 | return EFI_SUCCESS;\r | |
2294 | }\r | |
2295 | \r | |
ae724571 | 2296 | /**\r |
2297 | Move the mouse in the image buffer.\r | |
2298 | \r | |
2299 | @param[in] TextX The x-coordinate.\r | |
2300 | @param[in] TextY The y-coordinate.\r | |
2301 | **/\r | |
632820d1 | 2302 | VOID\r |
ae724571 | 2303 | EFIAPI\r |
632820d1 | 2304 | HBufferImageAdjustMousePosition (\r |
2305 | IN INT32 TextX,\r | |
2306 | IN INT32 TextY\r | |
2307 | )\r | |
2308 | {\r | |
ae724571 | 2309 | UINTN TempX;\r |
2310 | UINTN TempY;\r | |
632820d1 | 2311 | UINTN AbsX;\r |
2312 | UINTN AbsY;\r | |
2313 | \r | |
2314 | //\r | |
2315 | // TextX and TextY is mouse movement data returned by mouse driver\r | |
2316 | // This function will change it to MousePosition\r | |
2317 | //\r | |
2318 | //\r | |
ae724571 | 2319 | // get absolute TempX value\r |
632820d1 | 2320 | //\r |
2321 | if (TextX >= 0) {\r | |
2322 | AbsX = TextX;\r | |
2323 | } else {\r | |
2324 | AbsX = -TextX;\r | |
2325 | }\r | |
2326 | //\r | |
ae724571 | 2327 | // get absolute TempY value\r |
632820d1 | 2328 | //\r |
2329 | if (TextY >= 0) {\r | |
2330 | AbsY = TextY;\r | |
2331 | } else {\r | |
2332 | AbsY = -TextY;\r | |
2333 | }\r | |
2334 | \r | |
ae724571 | 2335 | TempX = HBufferImage.MousePosition.Column;\r |
2336 | TempY = HBufferImage.MousePosition.Row;\r | |
632820d1 | 2337 | \r |
2338 | if (TextX >= 0) {\r | |
ae724571 | 2339 | TempX += TextX;\r |
632820d1 | 2340 | } else {\r |
ae724571 | 2341 | if (TempX >= AbsX) {\r |
2342 | TempX -= AbsX;\r | |
632820d1 | 2343 | } else {\r |
ae724571 | 2344 | TempX = 0;\r |
632820d1 | 2345 | }\r |
2346 | }\r | |
2347 | \r | |
2348 | if (TextY >= 0) {\r | |
ae724571 | 2349 | TempY += TextY;\r |
632820d1 | 2350 | } else {\r |
ae724571 | 2351 | if (TempY >= AbsY) {\r |
2352 | TempY -= AbsY;\r | |
632820d1 | 2353 | } else {\r |
ae724571 | 2354 | TempY = 0;\r |
632820d1 | 2355 | }\r |
2356 | }\r | |
2357 | //\r | |
2358 | // check whether new mouse column position is beyond screen\r | |
2359 | // if not, adjust it\r | |
2360 | //\r | |
ae724571 | 2361 | if (TempX >= 10 && TempX <= (10 + 0x10 * 3 - 1)) {\r |
2362 | HBufferImage.MousePosition.Column = TempX;\r | |
2363 | } else if (TempX < 10) {\r | |
632820d1 | 2364 | HBufferImage.MousePosition.Column = 10;\r |
ae724571 | 2365 | } else if (TempX > (10 + 0x10 * 3 - 1)) {\r |
632820d1 | 2366 | HBufferImage.MousePosition.Column = 10 + 0x10 * 3 - 1;\r |
2367 | }\r | |
2368 | //\r | |
2369 | // check whether new mouse row position is beyond screen\r | |
2370 | // if not, adjust it\r | |
2371 | //\r | |
5a2beb74 | 2372 | if (TempY >= 2 && TempY <= (HMainEditor.ScreenSize.Row - 1)) {\r |
ae724571 | 2373 | HBufferImage.MousePosition.Row = TempY;\r |
2374 | } else if (TempY < 2) {\r | |
632820d1 | 2375 | HBufferImage.MousePosition.Row = 2;\r |
5a2beb74 | 2376 | } else if (TempY > (HMainEditor.ScreenSize.Row - 1)) {\r |
2377 | HBufferImage.MousePosition.Row = (HMainEditor.ScreenSize.Row - 1);\r | |
632820d1 | 2378 | }\r |
2379 | \r | |
2380 | }\r | |
a1d4bfcc | 2381 | \r |
2382 | /**\r | |
2383 | Dispatch input to different handler\r | |
2384 | \r | |
2385 | @param[in] Key The input key:\r | |
2386 | the keys can be:\r | |
2387 | ASCII KEY\r | |
2388 | Backspace/Delete\r | |
2389 | Direction key: up/down/left/right/pgup/pgdn\r | |
2390 | Home/End\r | |
2391 | INS\r | |
2392 | \r | |
2393 | @retval EFI_SUCCESS The operation was successful.\r | |
2394 | @retval EFI_LOAD_ERROR A load error occured.\r | |
2395 | @retval EFI_OUT_OF_RESOURCES A Memory allocation failed.\r | |
2396 | **/\r | |
2397 | EFI_STATUS\r | |
2398 | HBufferImageHandleInput (\r | |
2399 | IN EFI_INPUT_KEY *Key\r | |
2400 | )\r | |
2401 | {\r | |
2402 | EFI_STATUS Status;\r | |
2403 | \r | |
2404 | Status = EFI_SUCCESS;\r | |
2405 | \r | |
2406 | switch (Key->ScanCode) {\r | |
2407 | //\r | |
2408 | // ordinary key\r | |
2409 | //\r | |
2410 | case SCAN_NULL:\r | |
2411 | Status = HBufferImageDoCharInput (Key->UnicodeChar);\r | |
2412 | break;\r | |
2413 | \r | |
2414 | //\r | |
2415 | // up arrow\r | |
2416 | //\r | |
2417 | case SCAN_UP:\r | |
2418 | Status = HBufferImageScrollUp ();\r | |
2419 | break;\r | |
2420 | \r | |
2421 | //\r | |
2422 | // down arrow\r | |
2423 | //\r | |
2424 | case SCAN_DOWN:\r | |
2425 | Status = HBufferImageScrollDown ();\r | |
2426 | break;\r | |
2427 | \r | |
2428 | //\r | |
2429 | // right arrow\r | |
2430 | //\r | |
2431 | case SCAN_RIGHT:\r | |
2432 | Status = HBufferImageScrollRight ();\r | |
2433 | break;\r | |
2434 | \r | |
2435 | //\r | |
2436 | // left arrow\r | |
2437 | //\r | |
2438 | case SCAN_LEFT:\r | |
2439 | Status = HBufferImageScrollLeft ();\r | |
2440 | break;\r | |
2441 | \r | |
2442 | //\r | |
2443 | // page up\r | |
2444 | //\r | |
2445 | case SCAN_PAGE_UP:\r | |
2446 | Status = HBufferImagePageUp ();\r | |
2447 | break;\r | |
2448 | \r | |
2449 | //\r | |
2450 | // page down\r | |
2451 | //\r | |
2452 | case SCAN_PAGE_DOWN:\r | |
2453 | Status = HBufferImagePageDown ();\r | |
2454 | break;\r | |
2455 | \r | |
2456 | //\r | |
2457 | // delete\r | |
2458 | //\r | |
2459 | case SCAN_DELETE:\r | |
2460 | Status = HBufferImageDoDelete ();\r | |
2461 | break;\r | |
2462 | \r | |
2463 | //\r | |
2464 | // home\r | |
2465 | //\r | |
2466 | case SCAN_HOME:\r | |
2467 | Status = HBufferImageHome ();\r | |
2468 | break;\r | |
2469 | \r | |
2470 | //\r | |
2471 | // end\r | |
2472 | //\r | |
2473 | case SCAN_END:\r | |
2474 | Status = HBufferImageEnd ();\r | |
2475 | break;\r | |
2476 | \r | |
2477 | default:\r | |
2478 | Status = StatusBarSetStatusString (L"Unknown Command");\r | |
2479 | break;\r | |
2480 | }\r | |
2481 | \r | |
2482 | return Status;\r | |
2483 | }\r | |
2484 | \r |