diff options
Diffstat (limited to 'apps/plugins/textviewer/tv_settings.c')
-rw-r--r-- | apps/plugins/textviewer/tv_settings.c | 464 |
1 files changed, 0 insertions, 464 deletions
diff --git a/apps/plugins/textviewer/tv_settings.c b/apps/plugins/textviewer/tv_settings.c deleted file mode 100644 index 463e6a42de..0000000000 --- a/apps/plugins/textviewer/tv_settings.c +++ /dev/null | |||
@@ -1,464 +0,0 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2002 Gilles Roux | ||
11 | * 2003 Garrett Derner | ||
12 | * 2010 Yoshihisa Uchida | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or | ||
15 | * modify it under the terms of the GNU General Public License | ||
16 | * as published by the Free Software Foundation; either version 2 | ||
17 | * of the License, or (at your option) any later version. | ||
18 | * | ||
19 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
20 | * KIND, either express or implied. | ||
21 | * | ||
22 | ****************************************************************************/ | ||
23 | #include "plugin.h" | ||
24 | #include <ctype.h> | ||
25 | |||
26 | /* global settings file | ||
27 | * binary file, so dont use .cfg | ||
28 | * | ||
29 | * setting file format | ||
30 | * | ||
31 | * part byte count | ||
32 | * -------------------------------- | ||
33 | * 'TVGS' 4 | ||
34 | * version 1 | ||
35 | * word_mode 1 | ||
36 | * line_mode 1 | ||
37 | * view_mode 1 | ||
38 | * encoding 1 | ||
39 | * scrollbar_mode 1 | ||
40 | * need_scrollbar 1 | ||
41 | * page_mode 1 | ||
42 | * page_number_mode 1 | ||
43 | * title_mode 1 | ||
44 | * scroll_mode 1 | ||
45 | * autoscroll_speed 1 | ||
46 | * font name MAX_PATH | ||
47 | */ | ||
48 | #define GLOBAL_SETTINGS_FILE VIEWERS_DIR "/viewer.dat" | ||
49 | |||
50 | /* temporary file */ | ||
51 | #define GLOBAL_SETTINGS_TMP_FILE VIEWERS_DIR "/viewer_file.tmp" | ||
52 | |||
53 | #define GLOBAL_SETTINGS_HEADER "\x54\x56\x47\x53\x31" /* header="TVGS" version=1 */ | ||
54 | #define GLOBAL_SETTINGS_H_SIZE 5 | ||
55 | |||
56 | /* preferences and bookmarks at each file | ||
57 | * binary file, so dont use .cfg | ||
58 | * | ||
59 | * setting file format | ||
60 | * | ||
61 | * part byte count | ||
62 | * -------------------------------- | ||
63 | * 'TVS' 3 | ||
64 | * version 1 | ||
65 | * file count 2 | ||
66 | * [1st file] | ||
67 | * file path MAX_PATH | ||
68 | * next file pos 2 | ||
69 | * [preferences] | ||
70 | * word_mode 1 | ||
71 | * line_mode 1 | ||
72 | * view_mode 1 | ||
73 | * encoding 1 | ||
74 | * scrollbar_mode 1 | ||
75 | * need_scrollbar 1 | ||
76 | * page_mode 1 | ||
77 | * header_mode 1 | ||
78 | * footer_mode 1 | ||
79 | * scroll_mode 1 | ||
80 | * autoscroll_speed 1 | ||
81 | * font name MAX_PATH | ||
82 | * bookmark count 1 | ||
83 | * [1st bookmark] | ||
84 | * file_position 4 | ||
85 | * page 2 | ||
86 | * line 1 | ||
87 | * flag 1 | ||
88 | * [2nd bookmark] | ||
89 | * ... | ||
90 | * [last bookmark] | ||
91 | * [2nd file] | ||
92 | * ... | ||
93 | * [last file] | ||
94 | */ | ||
95 | #define SETTINGS_FILE VIEWERS_DIR "/viewer_file.dat" | ||
96 | |||
97 | /* temporary file */ | ||
98 | #define SETTINGS_TMP_FILE VIEWERS_DIR "/viewer_file.tmp" | ||
99 | |||
100 | #define SETTINGS_HEADER "\x54\x56\x53\x32" /* header="TVS" version=2 */ | ||
101 | #define SETTINGS_H_SIZE 4 | ||
102 | |||
103 | #ifndef HAVE_LCD_BITMAP | ||
104 | #define BOOKMARK_ICON "\xee\x84\x81\x00" | ||
105 | #endif | ||
106 | |||
107 | #define PREFERENCES_SIZE (11 + MAX_PATH) | ||
108 | |||
109 | |||
110 | struct preferences prefs; | ||
111 | struct preferences old_prefs; | ||
112 | |||
113 | static int fd; | ||
114 | static const char *file_name; | ||
115 | static int cline = 1; | ||
116 | static int cpage = 1; | ||
117 | static int lpage = 0; | ||
118 | |||
119 | static void viewer_default_preferences(void) | ||
120 | { | ||
121 | prefs.word_mode = WRAP; | ||
122 | prefs.line_mode = NORMAL; | ||
123 | prefs.view_mode = NARROW; | ||
124 | prefs.scroll_mode = PAGE; | ||
125 | prefs.page_mode = NO_OVERLAP; | ||
126 | prefs.scrollbar_mode = SB_OFF; | ||
127 | rb->memset(prefs.font, 0, MAX_PATH); | ||
128 | #ifdef HAVE_LCD_BITMAP | ||
129 | prefs.header_mode = HD_BOTH; | ||
130 | prefs.footer_mode = FT_BOTH; | ||
131 | rb->snprintf(prefs.font, MAX_PATH, "%s", rb->global_settings->font_file); | ||
132 | #else | ||
133 | prefs.header_mode = HD_NONE; | ||
134 | prefs.footer_mode = FT_NONE; | ||
135 | #endif | ||
136 | prefs.autoscroll_speed = 1; | ||
137 | /* Set codepage to system default */ | ||
138 | prefs.encoding = rb->global_settings->default_codepage; | ||
139 | } | ||
140 | |||
141 | static bool viewer_read_preferences(int pfd) | ||
142 | { | ||
143 | unsigned char buf[PREFERENCES_SIZE]; | ||
144 | unsigned char *p = buf; | ||
145 | |||
146 | if (rb->read(pfd, buf, sizeof(buf)) != sizeof(buf)) | ||
147 | return false; | ||
148 | |||
149 | prefs.word_mode = *p++; | ||
150 | prefs.line_mode = *p++; | ||
151 | prefs.view_mode = *p++; | ||
152 | prefs.encoding = *p++; | ||
153 | prefs.scrollbar_mode = *p++; | ||
154 | prefs.need_scrollbar = *p++; | ||
155 | prefs.page_mode = *p++; | ||
156 | prefs.header_mode = *p++; | ||
157 | prefs.footer_mode = *p++; | ||
158 | prefs.scroll_mode = *p++; | ||
159 | prefs.autoscroll_speed = *p++; | ||
160 | rb->memcpy(prefs.font, p, MAX_PATH); | ||
161 | |||
162 | return true; | ||
163 | } | ||
164 | |||
165 | static bool viewer_write_preferences(int pfd) | ||
166 | { | ||
167 | unsigned char buf[PREFERENCES_SIZE]; | ||
168 | unsigned char *p = buf; | ||
169 | |||
170 | *p++ = prefs.word_mode; | ||
171 | *p++ = prefs.line_mode; | ||
172 | *p++ = prefs.view_mode; | ||
173 | *p++ = prefs.encoding; | ||
174 | *p++ = prefs.scrollbar_mode; | ||
175 | *p++ = prefs.need_scrollbar; | ||
176 | *p++ = prefs.page_mode; | ||
177 | *p++ = prefs.header_mode; | ||
178 | *p++ = prefs.footer_mode; | ||
179 | *p++ = prefs.scroll_mode; | ||
180 | *p++ = prefs.autoscroll_speed; | ||
181 | rb->memcpy(p, prefs.font, MAX_PATH); | ||
182 | |||
183 | return (rb->write(pfd, buf, sizeof(buf)) == sizeof(buf)); | ||
184 | } | ||
185 | |||
186 | static bool viewer_load_global_settings(void) | ||
187 | { | ||
188 | unsigned buf[GLOBAL_SETTINGS_H_SIZE]; | ||
189 | int sfd = rb->open(GLOBAL_SETTINGS_FILE, O_RDONLY); | ||
190 | |||
191 | if (sfd < 0) | ||
192 | return false; | ||
193 | |||
194 | if ((rb->read(sfd, buf, GLOBAL_SETTINGS_H_SIZE) != GLOBAL_SETTINGS_H_SIZE) || | ||
195 | rb->memcmp(buf, GLOBAL_SETTINGS_HEADER, GLOBAL_SETTINGS_H_SIZE) || | ||
196 | !viewer_read_preferences(sfd)) | ||
197 | { | ||
198 | rb->close(sfd); | ||
199 | return false; | ||
200 | } | ||
201 | rb->close(sfd); | ||
202 | return true; | ||
203 | } | ||
204 | |||
205 | static bool viewer_save_global_settings(void) | ||
206 | { | ||
207 | int sfd = rb->open(GLOBAL_SETTINGS_TMP_FILE, O_WRONLY|O_CREAT|O_TRUNC); | ||
208 | |||
209 | if (sfd < 0) | ||
210 | return false; | ||
211 | |||
212 | if (rb->write(sfd, &GLOBAL_SETTINGS_HEADER, GLOBAL_SETTINGS_H_SIZE) | ||
213 | != GLOBAL_SETTINGS_H_SIZE || | ||
214 | !viewer_write_preferences(sfd)) | ||
215 | { | ||
216 | rb->close(sfd); | ||
217 | rb->remove(GLOBAL_SETTINGS_TMP_FILE); | ||
218 | return false; | ||
219 | } | ||
220 | rb->close(sfd); | ||
221 | rb->remove(GLOBAL_SETTINGS_FILE); | ||
222 | rb->rename(GLOBAL_SETTINGS_TMP_FILE, GLOBAL_SETTINGS_FILE); | ||
223 | return true; | ||
224 | } | ||
225 | |||
226 | void viewer_load_settings(void) | ||
227 | { | ||
228 | unsigned char buf[MAX_PATH+2]; | ||
229 | unsigned int fcount; | ||
230 | unsigned int i; | ||
231 | bool res = false; | ||
232 | int sfd; | ||
233 | unsigned int size; | ||
234 | |||
235 | sfd = rb->open(SETTINGS_FILE, O_RDONLY); | ||
236 | if (sfd < 0) | ||
237 | goto read_end; | ||
238 | |||
239 | if ((rb->read(sfd, buf, SETTINGS_H_SIZE+2) != SETTINGS_H_SIZE+2) || | ||
240 | rb->memcmp(buf, SETTINGS_HEADER, SETTINGS_H_SIZE)) | ||
241 | { | ||
242 | /* illegal setting file */ | ||
243 | rb->close(sfd); | ||
244 | |||
245 | if (rb->file_exists(SETTINGS_FILE)) | ||
246 | rb->remove(SETTINGS_FILE); | ||
247 | |||
248 | goto read_end; | ||
249 | } | ||
250 | |||
251 | fcount = (buf[SETTINGS_H_SIZE] << 8) | buf[SETTINGS_H_SIZE+1]; | ||
252 | for (i = 0; i < fcount; i++) | ||
253 | { | ||
254 | if (rb->read(sfd, buf, MAX_PATH+2) != MAX_PATH+2) | ||
255 | break; | ||
256 | |||
257 | size = (buf[MAX_PATH] << 8) | buf[MAX_PATH+1]; | ||
258 | if (rb->strcmp(buf, file_name)) | ||
259 | { | ||
260 | if (rb->lseek(sfd, size, SEEK_CUR) < 0) | ||
261 | break; | ||
262 | continue; | ||
263 | } | ||
264 | if (!viewer_read_preferences(sfd)) | ||
265 | break; | ||
266 | |||
267 | res = viewer_read_bookmark_infos(sfd); | ||
268 | break; | ||
269 | } | ||
270 | |||
271 | rb->close(sfd); | ||
272 | |||
273 | read_end: | ||
274 | if (!res) | ||
275 | { | ||
276 | /* load global settings */ | ||
277 | if (!viewer_load_global_settings()) | ||
278 | viewer_default_preferences(); | ||
279 | |||
280 | file_pos = 0; | ||
281 | screen_top_ptr = buffer; | ||
282 | cpage = 1; | ||
283 | cline = 1; | ||
284 | bookmark_count = 0; | ||
285 | } | ||
286 | |||
287 | rb->memcpy(&old_prefs, &prefs, sizeof(struct preferences)); | ||
288 | calc_max_width(); | ||
289 | |||
290 | if (bookmark_count > 1) | ||
291 | viewer_select_bookmark(-1); | ||
292 | else if (bookmark_count == 1) | ||
293 | { | ||
294 | int screen_pos; | ||
295 | int screen_top; | ||
296 | |||
297 | screen_pos = bookmarks[0].file_position; | ||
298 | screen_top = screen_pos % buffer_size; | ||
299 | file_pos = screen_pos - screen_top; | ||
300 | screen_top_ptr = buffer + screen_top; | ||
301 | cpage = bookmarks[0].page; | ||
302 | cline = bookmarks[0].line; | ||
303 | } | ||
304 | |||
305 | viewer_remove_last_read_bookmark(); | ||
306 | |||
307 | check_bom(); | ||
308 | get_filesize(); | ||
309 | |||
310 | buffer_end = BUFFER_END(); /* Update whenever file_pos changes */ | ||
311 | |||
312 | if (BUFFER_OOB(screen_top_ptr)) | ||
313 | screen_top_ptr = buffer; | ||
314 | |||
315 | fill_buffer(file_pos, buffer, buffer_size); | ||
316 | if (prefs.scroll_mode == PAGE && cline > 1) | ||
317 | viewer_scroll_to_top_line(); | ||
318 | |||
319 | /* remember the current position */ | ||
320 | start_position = file_pos + screen_top_ptr - buffer; | ||
321 | |||
322 | #ifdef HAVE_LCD_BITMAP | ||
323 | if (rb->strcmp(prefs.font, rb->global_settings->font_file)) | ||
324 | change_font(prefs.font); | ||
325 | |||
326 | init_need_scrollbar(); | ||
327 | init_header_and_footer(); | ||
328 | #endif | ||
329 | } | ||
330 | |||
331 | bool viewer_save_settings(void) | ||
332 | { | ||
333 | unsigned char buf[MAX_PATH+2]; | ||
334 | unsigned int fcount = 0; | ||
335 | unsigned int i; | ||
336 | int idx; | ||
337 | int ofd; | ||
338 | int tfd; | ||
339 | off_t first_copy_size = 0; | ||
340 | off_t second_copy_start_pos = 0; | ||
341 | off_t size; | ||
342 | |||
343 | /* add reading page to bookmarks */ | ||
344 | idx = viewer_find_bookmark(cpage, cline); | ||
345 | if (idx >= 0) | ||
346 | bookmarks[idx].flag |= BOOKMARK_LAST; | ||
347 | else | ||
348 | { | ||
349 | viewer_add_bookmark(cpage, cline); | ||
350 | bookmarks[bookmark_count-1].flag = BOOKMARK_LAST; | ||
351 | } | ||
352 | |||
353 | tfd = rb->open(SETTINGS_TMP_FILE, O_WRONLY|O_CREAT|O_TRUNC); | ||
354 | if (tfd < 0) | ||
355 | return false; | ||
356 | |||
357 | ofd = rb->open(SETTINGS_FILE, O_RDWR); | ||
358 | if (ofd >= 0) | ||
359 | { | ||
360 | if ((rb->read(ofd, buf, SETTINGS_H_SIZE+2) != SETTINGS_H_SIZE+2) || | ||
361 | rb->memcmp(buf, SETTINGS_HEADER, SETTINGS_H_SIZE)) | ||
362 | { | ||
363 | rb->close(ofd); | ||
364 | goto save_err; | ||
365 | } | ||
366 | fcount = (buf[SETTINGS_H_SIZE] << 8) | buf[SETTINGS_H_SIZE+1]; | ||
367 | |||
368 | for (i = 0; i < fcount; i++) | ||
369 | { | ||
370 | if (rb->read(ofd, buf, MAX_PATH+2) != MAX_PATH+2) | ||
371 | { | ||
372 | rb->close(ofd); | ||
373 | goto save_err; | ||
374 | } | ||
375 | size = (buf[MAX_PATH] << 8) | buf[MAX_PATH+1]; | ||
376 | if (rb->strcmp(buf, file_name)) | ||
377 | { | ||
378 | if (rb->lseek(ofd, size, SEEK_CUR) < 0) | ||
379 | { | ||
380 | rb->close(ofd); | ||
381 | goto save_err; | ||
382 | } | ||
383 | } | ||
384 | else | ||
385 | { | ||
386 | first_copy_size = rb->lseek(ofd, 0, SEEK_CUR); | ||
387 | if (first_copy_size < 0) | ||
388 | { | ||
389 | rb->close(ofd); | ||
390 | goto save_err; | ||
391 | } | ||
392 | second_copy_start_pos = first_copy_size + size; | ||
393 | first_copy_size -= MAX_PATH+2; | ||
394 | fcount--; | ||
395 | break; | ||
396 | } | ||
397 | } | ||
398 | if (first_copy_size == 0) | ||
399 | first_copy_size = rb->filesize(ofd); | ||
400 | |||
401 | if (!copy_bookmark_file(ofd, tfd, 0, first_copy_size)) | ||
402 | { | ||
403 | rb->close(ofd); | ||
404 | goto save_err; | ||
405 | } | ||
406 | if (second_copy_start_pos > 0) | ||
407 | { | ||
408 | if (!copy_bookmark_file(ofd, tfd, second_copy_start_pos, | ||
409 | rb->filesize(ofd) - second_copy_start_pos)) | ||
410 | { | ||
411 | rb->close(ofd); | ||
412 | goto save_err; | ||
413 | } | ||
414 | } | ||
415 | rb->close(ofd); | ||
416 | } | ||
417 | else | ||
418 | { | ||
419 | rb->memcpy(buf, SETTINGS_HEADER, SETTINGS_H_SIZE); | ||
420 | buf[SETTINGS_H_SIZE] = 0; | ||
421 | buf[SETTINGS_H_SIZE+1] = 0; | ||
422 | if (rb->write(tfd, buf, SETTINGS_H_SIZE+2) != SETTINGS_H_SIZE+2) | ||
423 | goto save_err; | ||
424 | } | ||
425 | |||
426 | /* copy to current read file's bookmarks */ | ||
427 | rb->memset(buf, 0, MAX_PATH); | ||
428 | rb->snprintf(buf, MAX_PATH, "%s", file_name); | ||
429 | |||
430 | size = PREFERENCES_SIZE + bookmark_count * BOOKMARK_SIZE + 1; | ||
431 | buf[MAX_PATH] = size >> 8; | ||
432 | buf[MAX_PATH+1] = size; | ||
433 | |||
434 | if (rb->write(tfd, buf, MAX_PATH+2) != MAX_PATH+2) | ||
435 | goto save_err; | ||
436 | |||
437 | if (!viewer_write_preferences(tfd)) | ||
438 | goto save_err; | ||
439 | |||
440 | if (!viewer_write_bookmark_infos(tfd)) | ||
441 | goto save_err; | ||
442 | |||
443 | if (rb->lseek(tfd, SETTINGS_H_SIZE, SEEK_SET) < 0) | ||
444 | goto save_err; | ||
445 | |||
446 | fcount++; | ||
447 | buf[0] = fcount >> 8; | ||
448 | buf[1] = fcount; | ||
449 | |||
450 | if (rb->write(tfd, buf, 2) != 2) | ||
451 | goto save_err; | ||
452 | |||
453 | rb->close(tfd); | ||
454 | |||
455 | rb->remove(SETTINGS_FILE); | ||
456 | rb->rename(SETTINGS_TMP_FILE, SETTINGS_FILE); | ||
457 | |||
458 | return true; | ||
459 | |||
460 | save_err: | ||
461 | rb->close(tfd); | ||
462 | rb->remove(SETTINGS_TMP_FILE); | ||
463 | return false; | ||
464 | } | ||