Commit | Line | Data |
---|---|---|
4a2909a7 | 1 | /* Copyright (c) 2006 Jonas Fonseca <fonseca@diku.dk> |
192d9a60 | 2 | * |
5cfbde75 JF |
3 | * This program is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU General Public License as | |
5 | * published by the Free Software Foundation; either version 2 of | |
6 | * the License, or (at your option) any later version. | |
192d9a60 JF |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | */ | |
b801d8b2 | 13 | |
b76c2afc | 14 | #ifndef VERSION |
8c11094f | 15 | #define VERSION "tig-0.3" |
b76c2afc JF |
16 | #endif |
17 | ||
8855ada4 JF |
18 | #ifndef DEBUG |
19 | #define NDEBUG | |
20 | #endif | |
21 | ||
22f66b0a | 22 | #include <assert.h> |
4c6fabc2 | 23 | #include <errno.h> |
22f66b0a JF |
24 | #include <ctype.h> |
25 | #include <signal.h> | |
b801d8b2 | 26 | #include <stdarg.h> |
b801d8b2 | 27 | #include <stdio.h> |
22f66b0a | 28 | #include <stdlib.h> |
b801d8b2 | 29 | #include <string.h> |
6908bdbd | 30 | #include <unistd.h> |
b76c2afc | 31 | #include <time.h> |
b801d8b2 JF |
32 | |
33 | #include <curses.h> | |
b801d8b2 | 34 | |
e2da526d JF |
35 | #if __GNUC__ >= 3 |
36 | #define __NORETURN __attribute__((__noreturn__)) | |
37 | #else | |
38 | #define __NORETURN | |
39 | #endif | |
40 | ||
41 | static void __NORETURN die(const char *err, ...); | |
b801d8b2 | 42 | static void report(const char *msg, ...); |
4a63c884 | 43 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, int, char *, int)); |
1ba2ae4b | 44 | static void set_nonblocking_input(bool loading); |
10e290ee | 45 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
46 | |
47 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
48 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
49 | ||
50 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
51 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 52 | |
2e8488b4 JF |
53 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
54 | #define SIZEOF_CMD 1024 /* Size of command buffer. */ | |
54efb62b | 55 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 56 | |
82e78006 JF |
57 | /* This color name can be used to refer to the default term colors. */ |
58 | #define COLOR_DEFAULT (-1) | |
78c70acd | 59 | |
82e78006 | 60 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 61 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 62 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 63 | |
10e290ee JF |
64 | #define AUTHOR_COLS 20 |
65 | ||
a28bcc22 | 66 | /* The default interval between line numbers. */ |
4a2909a7 | 67 | #define NUMBER_INTERVAL 1 |
82e78006 | 68 | |
6706b2ba JF |
69 | #define TABSIZE 8 |
70 | ||
a28bcc22 JF |
71 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
72 | ||
8eb62770 JF |
73 | #define TIG_LS_REMOTE \ |
74 | "git ls-remote . 2>/dev/null" | |
75 | ||
76 | #define TIG_DIFF_CMD \ | |
77 | "git show --patch-with-stat --find-copies-harder -B -C %s" | |
78 | ||
79 | #define TIG_LOG_CMD \ | |
80 | "git log --cc --stat -n100 %s" | |
81 | ||
82 | #define TIG_MAIN_CMD \ | |
83 | "git log --topo-order --stat --pretty=raw %s" | |
84 | ||
85 | /* XXX: Needs to be defined to the empty string. */ | |
86 | #define TIG_HELP_CMD "" | |
87 | #define TIG_PAGER_CMD "" | |
88 | ||
8855ada4 | 89 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
90 | #define KEY_TAB '\t' |
91 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
92 | #define KEY_ESC 27 |
93 | ||
6706b2ba | 94 | |
c34d9c9f | 95 | struct ref { |
468876c9 JF |
96 | char *name; /* Ref name; tag or head names are shortened. */ |
97 | char id[41]; /* Commit SHA1 ID */ | |
98 | unsigned int tag:1; /* Is it a tag? */ | |
99 | unsigned int next:1; /* For ref lists: are there more refs? */ | |
c34d9c9f JF |
100 | }; |
101 | ||
ff26aa29 | 102 | static struct ref **get_refs(char *id); |
4c6fabc2 | 103 | |
660e09ad JF |
104 | struct int_map { |
105 | const char *name; | |
106 | int namelen; | |
107 | int value; | |
108 | }; | |
109 | ||
110 | static int | |
111 | set_from_int_map(struct int_map *map, size_t map_size, | |
112 | int *value, const char *name, int namelen) | |
113 | { | |
114 | ||
115 | int i; | |
116 | ||
117 | for (i = 0; i < map_size; i++) | |
118 | if (namelen == map[i].namelen && | |
119 | !strncasecmp(name, map[i].name, namelen)) { | |
120 | *value = map[i].value; | |
121 | return OK; | |
122 | } | |
123 | ||
124 | return ERR; | |
125 | } | |
126 | ||
6706b2ba | 127 | |
03a93dbb JF |
128 | /* |
129 | * String helpers | |
130 | */ | |
78c70acd | 131 | |
82e78006 | 132 | static inline void |
4685845e | 133 | string_ncopy(char *dst, const char *src, int dstlen) |
82e78006 JF |
134 | { |
135 | strncpy(dst, src, dstlen - 1); | |
136 | dst[dstlen - 1] = 0; | |
03a93dbb | 137 | |
82e78006 JF |
138 | } |
139 | ||
140 | /* Shorthand for safely copying into a fixed buffer. */ | |
141 | #define string_copy(dst, src) \ | |
142 | string_ncopy(dst, src, sizeof(dst)) | |
143 | ||
4a63c884 JF |
144 | static char * |
145 | chomp_string(char *name) | |
146 | { | |
147 | int namelen; | |
148 | ||
149 | while (isspace(*name)) | |
150 | name++; | |
151 | ||
152 | namelen = strlen(name) - 1; | |
153 | while (namelen > 0 && isspace(name[namelen])) | |
154 | name[namelen--] = 0; | |
155 | ||
156 | return name; | |
157 | } | |
158 | ||
cc2d1364 JF |
159 | static bool |
160 | string_nformat(char *buf, size_t bufsize, int *bufpos, const char *fmt, ...) | |
161 | { | |
162 | va_list args; | |
163 | int pos = bufpos ? *bufpos : 0; | |
164 | ||
165 | va_start(args, fmt); | |
166 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
167 | va_end(args); | |
168 | ||
169 | if (bufpos) | |
170 | *bufpos = pos; | |
171 | ||
172 | return pos >= bufsize ? FALSE : TRUE; | |
173 | } | |
174 | ||
175 | #define string_format(buf, fmt, args...) \ | |
176 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
177 | ||
178 | #define string_format_from(buf, from, fmt, args...) \ | |
179 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 180 | |
201f5a18 JF |
181 | static int |
182 | string_enum_compare(const char *str1, const char *str2, int len) | |
183 | { | |
184 | size_t i; | |
185 | ||
186 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
187 | ||
188 | /* Diff-Header == DIFF_HEADER */ | |
189 | for (i = 0; i < len; i++) { | |
190 | if (toupper(str1[i]) == toupper(str2[i])) | |
191 | continue; | |
192 | ||
193 | if (string_enum_sep(str1[i]) && | |
194 | string_enum_sep(str2[i])) | |
195 | continue; | |
196 | ||
197 | return str1[i] - str2[i]; | |
198 | } | |
199 | ||
200 | return 0; | |
201 | } | |
202 | ||
03a93dbb JF |
203 | /* Shell quoting |
204 | * | |
205 | * NOTE: The following is a slightly modified copy of the git project's shell | |
206 | * quoting routines found in the quote.c file. | |
207 | * | |
208 | * Help to copy the thing properly quoted for the shell safety. any single | |
209 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
210 | * and the whole thing is enclosed in a | |
211 | * | |
212 | * E.g. | |
213 | * original sq_quote result | |
214 | * name ==> name ==> 'name' | |
215 | * a b ==> a b ==> 'a b' | |
216 | * a'b ==> a'\''b ==> 'a'\''b' | |
217 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
218 | */ | |
219 | ||
220 | static size_t | |
221 | sq_quote(char buf[SIZEOF_CMD], size_t bufsize, const char *src) | |
222 | { | |
223 | char c; | |
224 | ||
a9274b95 | 225 | #define BUFPUT(x) do { if (bufsize < SIZEOF_CMD) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
226 | |
227 | BUFPUT('\''); | |
228 | while ((c = *src++)) { | |
229 | if (c == '\'' || c == '!') { | |
230 | BUFPUT('\''); | |
231 | BUFPUT('\\'); | |
232 | BUFPUT(c); | |
233 | BUFPUT('\''); | |
234 | } else { | |
235 | BUFPUT(c); | |
236 | } | |
237 | } | |
238 | BUFPUT('\''); | |
239 | ||
240 | return bufsize; | |
241 | } | |
242 | ||
82e78006 | 243 | |
24b5b3e0 JF |
244 | /* |
245 | * User requests | |
246 | */ | |
247 | ||
248 | #define REQ_INFO \ | |
249 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
250 | REQ_GROUP("View switching") \ | |
251 | REQ_(VIEW_MAIN, "Show main view"), \ | |
252 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
253 | REQ_(VIEW_LOG, "Show log view"), \ | |
254 | REQ_(VIEW_HELP, "Show help page"), \ | |
255 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
256 | \ | |
257 | REQ_GROUP("View manipulation") \ | |
258 | REQ_(ENTER, "Enter current line and scroll"), \ | |
259 | REQ_(NEXT, "Move to next"), \ | |
260 | REQ_(PREVIOUS, "Move to previous"), \ | |
261 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
262 | REQ_(VIEW_CLOSE, "Close the current view"), \ | |
263 | REQ_(QUIT, "Close all views and quit"), \ | |
264 | \ | |
265 | REQ_GROUP("Cursor navigation") \ | |
266 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
267 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
268 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
269 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
270 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
271 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
272 | \ | |
273 | REQ_GROUP("Scrolling") \ | |
274 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
275 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
276 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
277 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
278 | \ | |
279 | REQ_GROUP("Misc") \ | |
280 | REQ_(PROMPT, "Bring up the prompt"), \ | |
281 | REQ_(SCREEN_UPDATE, "Update the screen"), \ | |
282 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ | |
283 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
284 | REQ_(SHOW_VERSION, "Show version information"), \ | |
285 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b JF |
286 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
287 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), | |
24b5b3e0 JF |
288 | |
289 | ||
290 | /* User action requests. */ | |
291 | enum request { | |
292 | #define REQ_GROUP(help) | |
293 | #define REQ_(req, help) REQ_##req | |
294 | ||
295 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
296 | REQ_OFFSET = KEY_MAX + 1, | |
297 | REQ_INFO | |
298 | ||
299 | #undef REQ_GROUP | |
300 | #undef REQ_ | |
301 | }; | |
302 | ||
303 | struct request_info { | |
304 | enum request request; | |
305 | char *help; | |
306 | }; | |
307 | ||
308 | static struct request_info req_info[] = { | |
309 | #define REQ_GROUP(help) { 0, (help) }, | |
310 | #define REQ_(req, help) { REQ_##req, (help) } | |
311 | REQ_INFO | |
312 | #undef REQ_GROUP | |
313 | #undef REQ_ | |
314 | }; | |
315 | ||
8eb62770 JF |
316 | /* |
317 | * Options | |
318 | */ | |
b76c2afc | 319 | |
4b8c01a3 JF |
320 | static const char usage[] = |
321 | VERSION " (" __DATE__ ")\n" | |
322 | "\n" | |
323 | "Usage: tig [options]\n" | |
324 | " or: tig [options] [--] [git log options]\n" | |
325 | " or: tig [options] log [git log options]\n" | |
326 | " or: tig [options] diff [git diff options]\n" | |
327 | " or: tig [options] show [git show options]\n" | |
328 | " or: tig [options] < [git command output]\n" | |
329 | "\n" | |
330 | "Options:\n" | |
331 | " -l Start up in log view\n" | |
332 | " -d Start up in diff view\n" | |
333 | " -n[I], --line-number[=I] Show line numbers with given interval\n" | |
b3c965c9 | 334 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
335 | " -- Mark end of tig options\n" |
336 | " -v, --version Show version and exit\n" | |
337 | " -h, --help Show help message and exit\n"; | |
338 | ||
6706b2ba JF |
339 | /* Option and state variables. */ |
340 | static bool opt_line_number = FALSE; | |
54efb62b | 341 | static bool opt_rev_graph = TRUE; |
2e8488b4 | 342 | static int opt_num_interval = NUMBER_INTERVAL; |
6706b2ba | 343 | static int opt_tab_size = TABSIZE; |
6b161b31 | 344 | static enum request opt_request = REQ_VIEW_MAIN; |
03a93dbb | 345 | static char opt_cmd[SIZEOF_CMD] = ""; |
9989bf60 JF |
346 | static char opt_encoding[20] = ""; |
347 | static bool opt_utf8 = TRUE; | |
6908bdbd | 348 | static FILE *opt_pipe = NULL; |
b76c2afc | 349 | |
6dbf6c19 JF |
350 | enum option_type { |
351 | OPT_NONE, | |
352 | OPT_INT, | |
353 | }; | |
354 | ||
355 | static bool | |
356 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
357 | { | |
358 | va_list args; | |
359 | char *value = ""; | |
360 | int *number; | |
361 | ||
362 | if (opt[0] != '-') | |
363 | return FALSE; | |
364 | ||
365 | if (opt[1] == '-') { | |
366 | int namelen = strlen(name); | |
367 | ||
368 | opt += 2; | |
369 | ||
370 | if (strncmp(opt, name, namelen)) | |
371 | return FALSE; | |
372 | ||
373 | if (opt[namelen] == '=') | |
374 | value = opt + namelen + 1; | |
375 | ||
376 | } else { | |
377 | if (!short_name || opt[1] != short_name) | |
378 | return FALSE; | |
379 | value = opt + 2; | |
380 | } | |
381 | ||
382 | va_start(args, type); | |
383 | if (type == OPT_INT) { | |
384 | number = va_arg(args, int *); | |
385 | if (isdigit(*value)) | |
386 | *number = atoi(value); | |
387 | } | |
388 | va_end(args); | |
389 | ||
390 | return TRUE; | |
391 | } | |
392 | ||
b76c2afc | 393 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 394 | static bool |
b76c2afc JF |
395 | parse_options(int argc, char *argv[]) |
396 | { | |
397 | int i; | |
398 | ||
399 | for (i = 1; i < argc; i++) { | |
400 | char *opt = argv[i]; | |
401 | ||
6b161b31 | 402 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 403 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
404 | continue; |
405 | } | |
b76c2afc | 406 | |
6b161b31 | 407 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 408 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
409 | continue; |
410 | } | |
b76c2afc | 411 | |
6dbf6c19 | 412 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
413 | opt_line_number = TRUE; |
414 | continue; | |
415 | } | |
b76c2afc | 416 | |
6dbf6c19 JF |
417 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
418 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
419 | continue; |
420 | } | |
421 | ||
6dbf6c19 | 422 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
b76c2afc | 423 | printf("tig version %s\n", VERSION); |
8855ada4 | 424 | return FALSE; |
6b161b31 | 425 | } |
b76c2afc | 426 | |
6dbf6c19 | 427 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
428 | printf(usage); |
429 | return FALSE; | |
430 | } | |
431 | ||
6908bdbd JF |
432 | if (!strcmp(opt, "--")) { |
433 | i++; | |
434 | break; | |
435 | } | |
03a93dbb | 436 | |
8855ada4 JF |
437 | if (!strcmp(opt, "log") || |
438 | !strcmp(opt, "diff") || | |
439 | !strcmp(opt, "show")) { | |
440 | opt_request = opt[0] == 'l' | |
441 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
442 | break; | |
443 | } | |
444 | ||
03a93dbb | 445 | if (opt[0] && opt[0] != '-') |
6908bdbd | 446 | break; |
6b161b31 | 447 | |
bf174187 | 448 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
449 | } |
450 | ||
6908bdbd | 451 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
452 | opt_request = REQ_VIEW_PAGER; |
453 | opt_pipe = stdin; | |
454 | ||
455 | } else if (i < argc) { | |
456 | size_t buf_size; | |
457 | ||
6908bdbd | 458 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
459 | /* XXX: This is vulnerable to the user overriding |
460 | * options required for the main view parser. */ | |
6908bdbd JF |
461 | string_copy(opt_cmd, "git log --stat --pretty=raw"); |
462 | else | |
463 | string_copy(opt_cmd, "git"); | |
464 | buf_size = strlen(opt_cmd); | |
465 | ||
466 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
467 | opt_cmd[buf_size++] = ' '; | |
468 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
469 | } | |
470 | ||
471 | if (buf_size >= sizeof(opt_cmd)) | |
472 | die("command too long"); | |
473 | ||
474 | opt_cmd[buf_size] = 0; | |
475 | ||
476 | } | |
477 | ||
afdc35b3 JF |
478 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
479 | opt_utf8 = FALSE; | |
480 | ||
8855ada4 | 481 | return TRUE; |
b76c2afc JF |
482 | } |
483 | ||
484 | ||
54efb62b JF |
485 | /* |
486 | * Line-oriented content detection. | |
487 | */ | |
488 | ||
2e8488b4 | 489 | #define LINE_INFO \ |
660e09ad | 490 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
491 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
492 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
493 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
494 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
495 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
496 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
497 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
498 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
499 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
500 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
501 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
502 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
503 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 504 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 505 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
506 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
507 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
508 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
509 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 510 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
511 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
512 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
513 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 514 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 515 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 516 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
517 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
518 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
519 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
520 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
521 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
522 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
523 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
524 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
525 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
526 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
660e09ad | 527 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 528 | |
78c70acd | 529 | enum line_type { |
2e8488b4 JF |
530 | #define LINE(type, line, fg, bg, attr) \ |
531 | LINE_##type | |
532 | LINE_INFO | |
533 | #undef LINE | |
78c70acd JF |
534 | }; |
535 | ||
536 | struct line_info { | |
660e09ad JF |
537 | const char *name; /* Option name. */ |
538 | int namelen; /* Size of option name. */ | |
4685845e | 539 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
540 | int linelen; /* Size of string to match. */ |
541 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
542 | }; |
543 | ||
2e8488b4 | 544 | static struct line_info line_info[] = { |
78c70acd | 545 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 546 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
547 | LINE_INFO |
548 | #undef LINE | |
78c70acd JF |
549 | }; |
550 | ||
2e8488b4 JF |
551 | static enum line_type |
552 | get_line_type(char *line) | |
78c70acd JF |
553 | { |
554 | int linelen = strlen(line); | |
a28bcc22 | 555 | enum line_type type; |
78c70acd | 556 | |
a28bcc22 | 557 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 558 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
559 | if (linelen >= line_info[type].linelen && |
560 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
561 | return type; | |
78c70acd | 562 | |
2e8488b4 | 563 | return LINE_DEFAULT; |
78c70acd JF |
564 | } |
565 | ||
2e8488b4 | 566 | static inline int |
78c70acd JF |
567 | get_line_attr(enum line_type type) |
568 | { | |
2e8488b4 JF |
569 | assert(type < ARRAY_SIZE(line_info)); |
570 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
571 | } |
572 | ||
660e09ad JF |
573 | static struct line_info * |
574 | get_line_info(char *name, int namelen) | |
575 | { | |
576 | enum line_type type; | |
660e09ad JF |
577 | |
578 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
579 | if (namelen == line_info[type].namelen && | |
201f5a18 | 580 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
581 | return &line_info[type]; |
582 | ||
583 | return NULL; | |
584 | } | |
585 | ||
78c70acd JF |
586 | static void |
587 | init_colors(void) | |
588 | { | |
82e78006 JF |
589 | int default_bg = COLOR_BLACK; |
590 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 591 | enum line_type type; |
78c70acd JF |
592 | |
593 | start_color(); | |
594 | ||
595 | if (use_default_colors() != ERR) { | |
82e78006 JF |
596 | default_bg = -1; |
597 | default_fg = -1; | |
78c70acd JF |
598 | } |
599 | ||
a28bcc22 JF |
600 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
601 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
602 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
603 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 604 | |
a28bcc22 | 605 | init_pair(type, fg, bg); |
78c70acd JF |
606 | } |
607 | } | |
608 | ||
fe7233c3 JF |
609 | struct line { |
610 | enum line_type type; | |
611 | void *data; /* User data */ | |
612 | }; | |
613 | ||
78c70acd | 614 | |
1899507c | 615 | /* |
37157fa0 JF |
616 | * Keys |
617 | */ | |
618 | ||
93a97d86 | 619 | struct keybinding { |
37157fa0 | 620 | int alias; |
93a97d86 | 621 | enum request request; |
37157fa0 JF |
622 | }; |
623 | ||
93a97d86 | 624 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
625 | /* View switching */ |
626 | { 'm', REQ_VIEW_MAIN }, | |
627 | { 'd', REQ_VIEW_DIFF }, | |
628 | { 'l', REQ_VIEW_LOG }, | |
629 | { 'p', REQ_VIEW_PAGER }, | |
630 | { 'h', REQ_VIEW_HELP }, | |
631 | { '?', REQ_VIEW_HELP }, | |
632 | ||
633 | /* View manipulation */ | |
634 | { 'q', REQ_VIEW_CLOSE }, | |
635 | { KEY_TAB, REQ_VIEW_NEXT }, | |
636 | { KEY_RETURN, REQ_ENTER }, | |
637 | { KEY_UP, REQ_PREVIOUS }, | |
638 | { KEY_DOWN, REQ_NEXT }, | |
639 | ||
640 | /* Cursor navigation */ | |
641 | { 'k', REQ_MOVE_UP }, | |
642 | { 'j', REQ_MOVE_DOWN }, | |
643 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
644 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
645 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
646 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
647 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
648 | { 'b', REQ_MOVE_PAGE_UP }, | |
649 | { '-', REQ_MOVE_PAGE_UP }, | |
650 | ||
651 | /* Scrolling */ | |
652 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
653 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
654 | { 'w', REQ_SCROLL_PAGE_UP }, | |
655 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
656 | ||
657 | /* Misc */ | |
658 | { 'Q', REQ_QUIT }, | |
659 | { 'z', REQ_STOP_LOADING }, | |
660 | { 'v', REQ_SHOW_VERSION }, | |
661 | { 'r', REQ_SCREEN_REDRAW }, | |
662 | { 'n', REQ_TOGGLE_LINENO }, | |
663 | { 'g', REQ_TOGGLE_REV_GRAPH}, | |
664 | { ':', REQ_PROMPT }, | |
665 | ||
666 | /* wgetch() with nodelay() enabled returns ERR when there's no input. */ | |
667 | { ERR, REQ_SCREEN_UPDATE }, | |
668 | ||
669 | /* Use the ncurses SIGWINCH handler. */ | |
670 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, | |
671 | }; | |
672 | ||
673 | static enum request | |
93a97d86 | 674 | get_keybinding(int key) |
37157fa0 JF |
675 | { |
676 | int i; | |
677 | ||
93a97d86 JF |
678 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
679 | if (default_keybindings[i].alias == key) | |
680 | return default_keybindings[i].request; | |
37157fa0 JF |
681 | |
682 | return (enum request) key; | |
683 | } | |
684 | ||
93a97d86 | 685 | |
37157fa0 JF |
686 | struct key { |
687 | char *name; | |
688 | int value; | |
689 | }; | |
690 | ||
691 | static struct key key_table[] = { | |
692 | { "Enter", KEY_RETURN }, | |
693 | { "Space", ' ' }, | |
694 | { "Backspace", KEY_BACKSPACE }, | |
695 | { "Tab", KEY_TAB }, | |
696 | { "Escape", KEY_ESC }, | |
697 | { "Left", KEY_LEFT }, | |
698 | { "Right", KEY_RIGHT }, | |
699 | { "Up", KEY_UP }, | |
700 | { "Down", KEY_DOWN }, | |
701 | { "Insert", KEY_IC }, | |
702 | { "Delete", KEY_DC }, | |
703 | { "Home", KEY_HOME }, | |
704 | { "End", KEY_END }, | |
705 | { "PageUp", KEY_PPAGE }, | |
706 | { "PageDown", KEY_NPAGE }, | |
707 | { "F1", KEY_F(1) }, | |
708 | { "F2", KEY_F(2) }, | |
709 | { "F3", KEY_F(3) }, | |
710 | { "F4", KEY_F(4) }, | |
711 | { "F5", KEY_F(5) }, | |
712 | { "F6", KEY_F(6) }, | |
713 | { "F7", KEY_F(7) }, | |
714 | { "F8", KEY_F(8) }, | |
715 | { "F9", KEY_F(9) }, | |
716 | { "F10", KEY_F(10) }, | |
717 | { "F11", KEY_F(11) }, | |
718 | { "F12", KEY_F(12) }, | |
719 | }; | |
720 | ||
721 | static char * | |
722 | get_key(enum request request) | |
723 | { | |
724 | static char buf[BUFSIZ]; | |
725 | static char key_char[] = "'X'"; | |
726 | int pos = 0; | |
727 | char *sep = " "; | |
728 | int i; | |
729 | ||
730 | buf[pos] = 0; | |
731 | ||
93a97d86 JF |
732 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
733 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
734 | char *seq = NULL; |
735 | int key; | |
736 | ||
93a97d86 | 737 | if (keybinding->request != request) |
37157fa0 JF |
738 | continue; |
739 | ||
740 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 741 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
742 | seq = key_table[key].name; |
743 | ||
744 | if (seq == NULL && | |
93a97d86 JF |
745 | keybinding->alias < 127 && |
746 | isprint(keybinding->alias)) { | |
747 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
748 | seq = key_char; |
749 | } | |
750 | ||
751 | if (!seq) | |
752 | seq = "'?'"; | |
753 | ||
754 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
755 | return "Too many keybindings!"; | |
756 | sep = ", "; | |
757 | } | |
758 | ||
759 | return buf; | |
760 | } | |
761 | ||
762 | ||
763 | /* | |
1899507c JF |
764 | * User config file handling. |
765 | */ | |
766 | ||
5dc795f2 JF |
767 | static struct int_map color_map[] = { |
768 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
769 | COLOR_MAP(DEFAULT), | |
770 | COLOR_MAP(BLACK), | |
771 | COLOR_MAP(BLUE), | |
772 | COLOR_MAP(CYAN), | |
773 | COLOR_MAP(GREEN), | |
774 | COLOR_MAP(MAGENTA), | |
775 | COLOR_MAP(RED), | |
776 | COLOR_MAP(WHITE), | |
777 | COLOR_MAP(YELLOW), | |
778 | }; | |
779 | ||
9256ab05 JF |
780 | #define set_color(color, name) \ |
781 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 782 | |
5dc795f2 JF |
783 | static struct int_map attr_map[] = { |
784 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
785 | ATTR_MAP(NORMAL), | |
786 | ATTR_MAP(BLINK), | |
787 | ATTR_MAP(BOLD), | |
788 | ATTR_MAP(DIM), | |
789 | ATTR_MAP(REVERSE), | |
790 | ATTR_MAP(STANDOUT), | |
791 | ATTR_MAP(UNDERLINE), | |
792 | }; | |
793 | ||
9256ab05 JF |
794 | #define set_attribute(attr, name) \ |
795 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 796 | |
3c3801c2 JF |
797 | static int config_lineno; |
798 | static bool config_errors; | |
799 | static char *config_msg; | |
800 | ||
5bfd96c7 | 801 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 802 | static int |
5bfd96c7 | 803 | option_color_command(int argc, char *argv[]) |
660e09ad | 804 | { |
bca8fcaa JF |
805 | struct line_info *info; |
806 | ||
9256ab05 JF |
807 | if (argc != 3 && argc != 4) { |
808 | config_msg = "Wrong number of arguments given to color command"; | |
809 | return ERR; | |
810 | } | |
811 | ||
812 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
813 | if (!info) { |
814 | config_msg = "Unknown color name"; | |
815 | return ERR; | |
816 | } | |
660e09ad | 817 | |
9256ab05 | 818 | if (set_color(&info->fg, argv[1]) == ERR) { |
bca8fcaa JF |
819 | config_msg = "Unknown color"; |
820 | return ERR; | |
821 | } | |
660e09ad | 822 | |
9256ab05 | 823 | if (set_color(&info->bg, argv[2]) == ERR) { |
bca8fcaa JF |
824 | config_msg = "Unknown color"; |
825 | return ERR; | |
826 | } | |
660e09ad | 827 | |
9256ab05 | 828 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
829 | config_msg = "Unknown attribute"; |
830 | return ERR; | |
660e09ad JF |
831 | } |
832 | ||
bca8fcaa JF |
833 | return OK; |
834 | } | |
835 | ||
5bfd96c7 JF |
836 | /* Wants: name = value */ |
837 | static int | |
838 | option_set_command(int argc, char *argv[]) | |
839 | { | |
840 | if (argc != 3) { | |
841 | config_msg = "Wrong number of arguments given to set command"; | |
842 | return ERR; | |
843 | } | |
844 | ||
845 | if (strcmp(argv[1], "=")) { | |
846 | config_msg = "No value assigned"; | |
847 | return ERR; | |
848 | } | |
849 | ||
850 | if (!strcmp(argv[0], "show-rev-graph")) { | |
851 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
852 | !strcmp(argv[2], "true") || | |
853 | !strcmp(argv[2], "yes")); | |
854 | return OK; | |
855 | } | |
856 | ||
857 | if (!strcmp(argv[0], "line-number-interval")) { | |
858 | opt_num_interval = atoi(argv[2]); | |
859 | return OK; | |
860 | } | |
861 | ||
862 | if (!strcmp(argv[0], "tab-size")) { | |
863 | opt_tab_size = atoi(argv[2]); | |
864 | return OK; | |
865 | } | |
866 | ||
867 | if (!strcmp(argv[0], "encoding")) { | |
868 | string_copy(opt_encoding, argv[2]); | |
869 | return OK; | |
870 | } | |
871 | ||
872 | return ERR; | |
873 | } | |
874 | ||
bca8fcaa | 875 | static int |
9256ab05 | 876 | set_option(char *opt, char *value) |
bca8fcaa | 877 | { |
9256ab05 JF |
878 | char *argv[16]; |
879 | int valuelen; | |
880 | int argc = 0; | |
881 | ||
882 | /* Tokenize */ | |
883 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
884 | argv[argc++] = value; | |
885 | ||
886 | value += valuelen; | |
887 | if (!*value) | |
888 | break; | |
889 | ||
890 | *value++ = 0; | |
891 | while (isspace(*value)) | |
892 | value++; | |
893 | } | |
894 | ||
895 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
896 | return option_color_command(argc, argv); |
897 | ||
898 | if (!strcmp(opt, "set")) | |
899 | return option_set_command(argc, argv); | |
bca8fcaa | 900 | |
660e09ad JF |
901 | return ERR; |
902 | } | |
903 | ||
904 | static int | |
3c3801c2 JF |
905 | read_option(char *opt, int optlen, char *value, int valuelen) |
906 | { | |
907 | config_lineno++; | |
908 | config_msg = "Internal error"; | |
909 | ||
910 | optlen = strcspn(opt, "#;"); | |
911 | if (optlen == 0) { | |
912 | /* The whole line is a commend or empty. */ | |
913 | return OK; | |
914 | ||
915 | } else if (opt[optlen] != 0) { | |
916 | /* Part of the option name is a comment, so the value part | |
917 | * should be ignored. */ | |
918 | valuelen = 0; | |
919 | opt[optlen] = value[valuelen] = 0; | |
920 | } else { | |
921 | /* Else look for comment endings in the value. */ | |
922 | valuelen = strcspn(value, "#;"); | |
923 | value[valuelen] = 0; | |
924 | } | |
925 | ||
9256ab05 | 926 | if (set_option(opt, value) == ERR) { |
3c3801c2 JF |
927 | fprintf(stderr, "Error on line %d, near '%.*s' option: %s\n", |
928 | config_lineno, optlen, opt, config_msg); | |
929 | config_errors = TRUE; | |
930 | } | |
931 | ||
932 | /* Always keep going if errors are encountered. */ | |
933 | return OK; | |
934 | } | |
935 | ||
936 | static int | |
660e09ad JF |
937 | load_options(void) |
938 | { | |
939 | char *home = getenv("HOME"); | |
940 | char buf[1024]; | |
941 | FILE *file; | |
942 | ||
3c3801c2 JF |
943 | config_lineno = 0; |
944 | config_errors = FALSE; | |
945 | ||
cc2d1364 | 946 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
947 | return ERR; |
948 | ||
949 | /* It's ok that the file doesn't exist. */ | |
950 | file = fopen(buf, "r"); | |
951 | if (!file) | |
952 | return OK; | |
953 | ||
3c3801c2 JF |
954 | if (read_properties(file, " \t", read_option) == ERR || |
955 | config_errors == TRUE) | |
956 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
957 | ||
958 | return OK; | |
660e09ad JF |
959 | } |
960 | ||
961 | ||
d839253b | 962 | /* |
468876c9 | 963 | * The viewer |
d839253b | 964 | */ |
c2124ccd JF |
965 | |
966 | struct view; | |
fe7233c3 | 967 | struct view_ops; |
c2124ccd JF |
968 | |
969 | /* The display array of active views and the index of the current view. */ | |
970 | static struct view *display[2]; | |
971 | static unsigned int current_view; | |
972 | ||
973 | #define foreach_view(view, i) \ | |
974 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) | |
975 | ||
9f41488f | 976 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 977 | |
d839253b | 978 | /* Current head and commit ID */ |
c2124ccd JF |
979 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
980 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
981 | ||
b801d8b2 | 982 | struct view { |
03a93dbb | 983 | const char *name; /* View name */ |
4685845e TH |
984 | const char *cmd_fmt; /* Default command line format */ |
985 | const char *cmd_env; /* Command line set via environment */ | |
986 | const char *id; /* Points to either of ref_{head,commit} */ | |
6b161b31 | 987 | |
fe7233c3 | 988 | struct view_ops *ops; /* View operations */ |
22f66b0a | 989 | |
03a93dbb | 990 | char cmd[SIZEOF_CMD]; /* Command buffer */ |
49f2b43f JF |
991 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
992 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 993 | |
8855ada4 JF |
994 | int height, width; /* The width and height of the main window */ |
995 | WINDOW *win; /* The main window */ | |
996 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
997 | |
998 | /* Navigation */ | |
999 | unsigned long offset; /* Offset of the window top */ | |
1000 | unsigned long lineno; /* Current line number */ | |
1001 | ||
f6da0b66 JF |
1002 | /* If non-NULL, points to the view that opened this view. If this view |
1003 | * is closed tig will switch back to the parent view. */ | |
1004 | struct view *parent; | |
1005 | ||
b801d8b2 JF |
1006 | /* Buffering */ |
1007 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1008 | struct line *line; /* Line index */ |
e2c01617 | 1009 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1010 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1011 | |
1012 | /* Loading */ | |
1013 | FILE *pipe; | |
2e8488b4 | 1014 | time_t start_time; |
b801d8b2 JF |
1015 | }; |
1016 | ||
fe7233c3 JF |
1017 | struct view_ops { |
1018 | /* What type of content being displayed. Used in the title bar. */ | |
1019 | const char *type; | |
1020 | /* Draw one line; @lineno must be < view->height. */ | |
1021 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno); | |
1022 | /* Read one line; updates view->line. */ | |
701e4f5d | 1023 | bool (*read)(struct view *view, char *data); |
fe7233c3 JF |
1024 | /* Depending on view, change display based on current line. */ |
1025 | bool (*enter)(struct view *view, struct line *line); | |
1026 | }; | |
1027 | ||
6b161b31 JF |
1028 | static struct view_ops pager_ops; |
1029 | static struct view_ops main_ops; | |
a28bcc22 | 1030 | |
95d7ddcd JF |
1031 | #define VIEW_STR(name, cmd, env, ref, ops) \ |
1032 | { name, cmd, #env, ref, ops } | |
1ba2ae4b | 1033 | |
95d7ddcd JF |
1034 | #define VIEW_(id, name, ops, ref) \ |
1035 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops) | |
1ba2ae4b | 1036 | |
c2124ccd | 1037 | |
b801d8b2 | 1038 | static struct view views[] = { |
95d7ddcd JF |
1039 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1040 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1041 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1042 | VIEW_(HELP, "help", &pager_ops, "static"), | |
1043 | VIEW_(PAGER, "pager", &pager_ops, "static"), | |
b801d8b2 JF |
1044 | }; |
1045 | ||
a28bcc22 JF |
1046 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1047 | ||
4c6fabc2 | 1048 | |
fe7233c3 JF |
1049 | static bool |
1050 | draw_view_line(struct view *view, unsigned int lineno) | |
1051 | { | |
1052 | if (view->offset + lineno >= view->lines) | |
1053 | return FALSE; | |
1054 | ||
1055 | return view->ops->draw(view, &view->line[view->offset + lineno], lineno); | |
1056 | } | |
1057 | ||
b801d8b2 | 1058 | static void |
82e78006 | 1059 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1060 | { |
82e78006 | 1061 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1062 | |
82e78006 | 1063 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1064 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1065 | break; |
b801d8b2 JF |
1066 | } |
1067 | ||
1068 | redrawwin(view->win); | |
1069 | wrefresh(view->win); | |
1070 | } | |
1071 | ||
b76c2afc | 1072 | static void |
82e78006 JF |
1073 | redraw_view(struct view *view) |
1074 | { | |
1075 | wclear(view->win); | |
1076 | redraw_view_from(view, 0); | |
1077 | } | |
1078 | ||
c2124ccd | 1079 | |
6b161b31 | 1080 | static void |
81030ec8 JF |
1081 | update_view_title(struct view *view) |
1082 | { | |
1083 | if (view == display[current_view]) | |
1084 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1085 | else | |
1086 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1087 | ||
1088 | werase(view->title); | |
1089 | wmove(view->title, 0, 0); | |
1090 | ||
81030ec8 JF |
1091 | if (*view->ref) |
1092 | wprintw(view->title, "[%s] %s", view->name, view->ref); | |
1093 | else | |
1094 | wprintw(view->title, "[%s]", view->name); | |
1095 | ||
c19f8017 | 1096 | if (view->lines || view->pipe) { |
6d9c07af | 1097 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1098 | unsigned int lines = view->lines |
6d9c07af | 1099 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1100 | : 0; |
1101 | ||
81030ec8 JF |
1102 | wprintw(view->title, " - %s %d of %d (%d%%)", |
1103 | view->ops->type, | |
1104 | view->lineno + 1, | |
1105 | view->lines, | |
c19f8017 | 1106 | lines); |
81030ec8 JF |
1107 | } |
1108 | ||
f97f4012 JF |
1109 | if (view->pipe) { |
1110 | time_t secs = time(NULL) - view->start_time; | |
1111 | ||
1112 | /* Three git seconds are a long time ... */ | |
1113 | if (secs > 2) | |
1114 | wprintw(view->title, " %lds", secs); | |
1115 | } | |
1116 | ||
976447f8 | 1117 | wmove(view->title, 0, view->width - 1); |
81030ec8 JF |
1118 | wrefresh(view->title); |
1119 | } | |
1120 | ||
1121 | static void | |
6b161b31 | 1122 | resize_display(void) |
b76c2afc | 1123 | { |
03a93dbb | 1124 | int offset, i; |
6b161b31 JF |
1125 | struct view *base = display[0]; |
1126 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1127 | |
6b161b31 | 1128 | /* Setup window dimensions */ |
b76c2afc | 1129 | |
03a93dbb | 1130 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1131 | |
6b161b31 | 1132 | /* Make room for the status window. */ |
03a93dbb | 1133 | base->height -= 1; |
6b161b31 JF |
1134 | |
1135 | if (view != base) { | |
03a93dbb JF |
1136 | /* Horizontal split. */ |
1137 | view->width = base->width; | |
6b161b31 JF |
1138 | view->height = SCALE_SPLIT_VIEW(base->height); |
1139 | base->height -= view->height; | |
1140 | ||
1141 | /* Make room for the title bar. */ | |
1142 | view->height -= 1; | |
1143 | } | |
1144 | ||
1145 | /* Make room for the title bar. */ | |
1146 | base->height -= 1; | |
1147 | ||
1148 | offset = 0; | |
1149 | ||
1150 | foreach_view (view, i) { | |
b76c2afc | 1151 | if (!view->win) { |
c19f8017 | 1152 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1153 | if (!view->win) |
1154 | die("Failed to create %s view", view->name); | |
1155 | ||
1156 | scrollok(view->win, TRUE); | |
1157 | ||
1158 | view->title = newwin(1, 0, offset + view->height, 0); | |
1159 | if (!view->title) | |
1160 | die("Failed to create title window"); | |
1161 | ||
1162 | } else { | |
c19f8017 | 1163 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1164 | mvwin(view->win, offset, 0); |
1165 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1166 | } |
a28bcc22 | 1167 | |
6b161b31 | 1168 | offset += view->height + 1; |
b76c2afc | 1169 | } |
6b161b31 | 1170 | } |
b76c2afc | 1171 | |
6b161b31 | 1172 | static void |
20bb5e18 JF |
1173 | redraw_display(void) |
1174 | { | |
1175 | struct view *view; | |
1176 | int i; | |
1177 | ||
1178 | foreach_view (view, i) { | |
1179 | redraw_view(view); | |
1180 | update_view_title(view); | |
1181 | } | |
1182 | } | |
1183 | ||
85af6284 JF |
1184 | static void |
1185 | update_display_cursor(void) | |
1186 | { | |
1187 | struct view *view = display[current_view]; | |
1188 | ||
1189 | /* Move the cursor to the right-most column of the cursor line. | |
1190 | * | |
1191 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1192 | * the cursor does not jump around. */ | |
1193 | if (view->lines) { | |
1194 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1195 | wrefresh(view->win); | |
1196 | } | |
1197 | } | |
20bb5e18 | 1198 | |
2e8488b4 JF |
1199 | /* |
1200 | * Navigation | |
1201 | */ | |
1202 | ||
4a2909a7 | 1203 | /* Scrolling backend */ |
b801d8b2 | 1204 | static void |
b3a54cba | 1205 | do_scroll_view(struct view *view, int lines, bool redraw) |
b801d8b2 | 1206 | { |
fd85fef1 JF |
1207 | /* The rendering expects the new offset. */ |
1208 | view->offset += lines; | |
1209 | ||
1210 | assert(0 <= view->offset && view->offset < view->lines); | |
1211 | assert(lines); | |
b801d8b2 | 1212 | |
82e78006 | 1213 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1214 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1215 | redraw_view(view); |
1216 | ||
1217 | } else { | |
22f66b0a | 1218 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1219 | int end = line + ABS(lines); |
fd85fef1 JF |
1220 | |
1221 | wscrl(view->win, lines); | |
1222 | ||
22f66b0a | 1223 | for (; line < end; line++) { |
fe7233c3 | 1224 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1225 | break; |
1226 | } | |
1227 | } | |
1228 | ||
1229 | /* Move current line into the view. */ | |
1230 | if (view->lineno < view->offset) { | |
1231 | view->lineno = view->offset; | |
fe7233c3 | 1232 | draw_view_line(view, 0); |
fd85fef1 JF |
1233 | |
1234 | } else if (view->lineno >= view->offset + view->height) { | |
6706b2ba JF |
1235 | if (view->lineno == view->offset + view->height) { |
1236 | /* Clear the hidden line so it doesn't show if the view | |
1237 | * is scrolled up. */ | |
1238 | wmove(view->win, view->height, 0); | |
1239 | wclrtoeol(view->win); | |
1240 | } | |
fd85fef1 | 1241 | view->lineno = view->offset + view->height - 1; |
fe7233c3 | 1242 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 JF |
1243 | } |
1244 | ||
4c6fabc2 | 1245 | assert(view->offset <= view->lineno && view->lineno < view->lines); |
fd85fef1 | 1246 | |
b3a54cba JF |
1247 | if (!redraw) |
1248 | return; | |
1249 | ||
fd85fef1 JF |
1250 | redrawwin(view->win); |
1251 | wrefresh(view->win); | |
9d3f5834 | 1252 | report(""); |
fd85fef1 | 1253 | } |
78c70acd | 1254 | |
4a2909a7 | 1255 | /* Scroll frontend */ |
fd85fef1 | 1256 | static void |
6b161b31 | 1257 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1258 | { |
1259 | int lines = 1; | |
b801d8b2 JF |
1260 | |
1261 | switch (request) { | |
4a2909a7 | 1262 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1263 | lines = view->height; |
4a2909a7 | 1264 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1265 | if (view->offset + lines > view->lines) |
bde3653a | 1266 | lines = view->lines - view->offset; |
b801d8b2 | 1267 | |
fd85fef1 | 1268 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1269 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1270 | return; |
1271 | } | |
1272 | break; | |
1273 | ||
4a2909a7 | 1274 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1275 | lines = view->height; |
4a2909a7 | 1276 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1277 | if (lines > view->offset) |
1278 | lines = view->offset; | |
1279 | ||
1280 | if (lines == 0) { | |
eb98559e | 1281 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1282 | return; |
1283 | } | |
1284 | ||
fd85fef1 | 1285 | lines = -lines; |
b801d8b2 | 1286 | break; |
03a93dbb | 1287 | |
6b161b31 JF |
1288 | default: |
1289 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1290 | } |
1291 | ||
b3a54cba | 1292 | do_scroll_view(view, lines, TRUE); |
fd85fef1 | 1293 | } |
b801d8b2 | 1294 | |
4a2909a7 | 1295 | /* Cursor moving */ |
fd85fef1 | 1296 | static void |
b3a54cba | 1297 | move_view(struct view *view, enum request request, bool redraw) |
fd85fef1 JF |
1298 | { |
1299 | int steps; | |
b801d8b2 | 1300 | |
fd85fef1 | 1301 | switch (request) { |
4a2909a7 | 1302 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1303 | steps = -view->lineno; |
1304 | break; | |
1305 | ||
4a2909a7 | 1306 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1307 | steps = view->lines - view->lineno - 1; |
1308 | break; | |
1309 | ||
4a2909a7 | 1310 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1311 | steps = view->height > view->lineno |
1312 | ? -view->lineno : -view->height; | |
1313 | break; | |
1314 | ||
4a2909a7 | 1315 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1316 | steps = view->lineno + view->height >= view->lines |
1317 | ? view->lines - view->lineno - 1 : view->height; | |
1318 | break; | |
1319 | ||
4a2909a7 | 1320 | case REQ_MOVE_UP: |
fd85fef1 JF |
1321 | steps = -1; |
1322 | break; | |
b801d8b2 | 1323 | |
4a2909a7 | 1324 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1325 | steps = 1; |
1326 | break; | |
6b161b31 JF |
1327 | |
1328 | default: | |
1329 | die("request %d not handled in switch", request); | |
78c70acd | 1330 | } |
b801d8b2 | 1331 | |
4c6fabc2 | 1332 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1333 | report("Cannot move beyond the first line"); |
78c70acd | 1334 | return; |
b801d8b2 | 1335 | |
6908bdbd | 1336 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1337 | report("Cannot move beyond the last line"); |
78c70acd | 1338 | return; |
fd85fef1 JF |
1339 | } |
1340 | ||
4c6fabc2 | 1341 | /* Move the current line */ |
fd85fef1 | 1342 | view->lineno += steps; |
4c6fabc2 JF |
1343 | assert(0 <= view->lineno && view->lineno < view->lines); |
1344 | ||
1345 | /* Repaint the old "current" line if we be scrolling */ | |
2e8488b4 JF |
1346 | if (ABS(steps) < view->height) { |
1347 | int prev_lineno = view->lineno - steps - view->offset; | |
1348 | ||
1349 | wmove(view->win, prev_lineno, 0); | |
1350 | wclrtoeol(view->win); | |
fe7233c3 | 1351 | draw_view_line(view, prev_lineno); |
2e8488b4 | 1352 | } |
fd85fef1 | 1353 | |
4c6fabc2 | 1354 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1355 | if (view->lineno < view->offset || |
1356 | view->lineno >= view->offset + view->height) { | |
1357 | if (steps < 0 && -steps > view->offset) { | |
1358 | steps = -view->offset; | |
b76c2afc JF |
1359 | |
1360 | } else if (steps > 0) { | |
1361 | if (view->lineno == view->lines - 1 && | |
1362 | view->lines > view->height) { | |
1363 | steps = view->lines - view->offset - 1; | |
1364 | if (steps >= view->height) | |
1365 | steps -= view->height - 1; | |
1366 | } | |
b801d8b2 | 1367 | } |
78c70acd | 1368 | |
b3a54cba | 1369 | do_scroll_view(view, steps, redraw); |
fd85fef1 | 1370 | return; |
b801d8b2 JF |
1371 | } |
1372 | ||
4c6fabc2 | 1373 | /* Draw the current line */ |
fe7233c3 | 1374 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1375 | |
b3a54cba JF |
1376 | if (!redraw) |
1377 | return; | |
1378 | ||
b801d8b2 JF |
1379 | redrawwin(view->win); |
1380 | wrefresh(view->win); | |
9d3f5834 | 1381 | report(""); |
b801d8b2 JF |
1382 | } |
1383 | ||
b801d8b2 | 1384 | |
2e8488b4 JF |
1385 | /* |
1386 | * Incremental updating | |
1387 | */ | |
b801d8b2 | 1388 | |
199d1288 JF |
1389 | static void |
1390 | end_update(struct view *view) | |
1391 | { | |
1392 | if (!view->pipe) | |
1393 | return; | |
1394 | set_nonblocking_input(FALSE); | |
1395 | if (view->pipe == stdin) | |
1396 | fclose(view->pipe); | |
1397 | else | |
1398 | pclose(view->pipe); | |
1399 | view->pipe = NULL; | |
1400 | } | |
1401 | ||
03a93dbb | 1402 | static bool |
b801d8b2 JF |
1403 | begin_update(struct view *view) |
1404 | { | |
4685845e | 1405 | const char *id = view->id; |
fd85fef1 | 1406 | |
199d1288 JF |
1407 | if (view->pipe) |
1408 | end_update(view); | |
1409 | ||
03a93dbb JF |
1410 | if (opt_cmd[0]) { |
1411 | string_copy(view->cmd, opt_cmd); | |
1412 | opt_cmd[0] = 0; | |
8855ada4 JF |
1413 | /* When running random commands, the view ref could have become |
1414 | * invalid so clear it. */ | |
1415 | view->ref[0] = 0; | |
03a93dbb | 1416 | } else { |
4685845e | 1417 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
1ba2ae4b | 1418 | |
cc2d1364 | 1419 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb JF |
1420 | return FALSE; |
1421 | } | |
b801d8b2 | 1422 | |
6908bdbd JF |
1423 | /* Special case for the pager view. */ |
1424 | if (opt_pipe) { | |
1425 | view->pipe = opt_pipe; | |
1426 | opt_pipe = NULL; | |
1427 | } else { | |
1428 | view->pipe = popen(view->cmd, "r"); | |
1429 | } | |
1430 | ||
2e8488b4 JF |
1431 | if (!view->pipe) |
1432 | return FALSE; | |
b801d8b2 | 1433 | |
6b161b31 | 1434 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1435 | |
1436 | view->offset = 0; | |
1437 | view->lines = 0; | |
1438 | view->lineno = 0; | |
49f2b43f | 1439 | string_copy(view->vid, id); |
b801d8b2 | 1440 | |
2e8488b4 JF |
1441 | if (view->line) { |
1442 | int i; | |
1443 | ||
1444 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1445 | if (view->line[i].data) |
1446 | free(view->line[i].data); | |
2e8488b4 JF |
1447 | |
1448 | free(view->line); | |
1449 | view->line = NULL; | |
1450 | } | |
1451 | ||
1452 | view->start_time = time(NULL); | |
1453 | ||
b801d8b2 JF |
1454 | return TRUE; |
1455 | } | |
1456 | ||
e2c01617 JF |
1457 | static struct line * |
1458 | realloc_lines(struct view *view, size_t line_size) | |
1459 | { | |
1460 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1461 | ||
1462 | if (!tmp) | |
1463 | return NULL; | |
1464 | ||
1465 | view->line = tmp; | |
1466 | view->line_size = line_size; | |
1467 | return view->line; | |
1468 | } | |
1469 | ||
03a93dbb | 1470 | static bool |
b801d8b2 JF |
1471 | update_view(struct view *view) |
1472 | { | |
1473 | char buffer[BUFSIZ]; | |
1474 | char *line; | |
82e78006 JF |
1475 | /* The number of lines to read. If too low it will cause too much |
1476 | * redrawing (and possible flickering), if too high responsiveness | |
1477 | * will suffer. */ | |
8855ada4 | 1478 | unsigned long lines = view->height; |
82e78006 | 1479 | int redraw_from = -1; |
b801d8b2 JF |
1480 | |
1481 | if (!view->pipe) | |
1482 | return TRUE; | |
1483 | ||
82e78006 JF |
1484 | /* Only redraw if lines are visible. */ |
1485 | if (view->offset + view->height >= view->lines) | |
1486 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1487 | |
e2c01617 | 1488 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1489 | goto alloc_error; |
1490 | ||
b801d8b2 | 1491 | while ((line = fgets(buffer, sizeof(buffer), view->pipe))) { |
c34d9c9f | 1492 | int linelen = strlen(line); |
b801d8b2 | 1493 | |
b801d8b2 JF |
1494 | if (linelen) |
1495 | line[linelen - 1] = 0; | |
1496 | ||
701e4f5d | 1497 | if (!view->ops->read(view, line)) |
b801d8b2 | 1498 | goto alloc_error; |
fd85fef1 JF |
1499 | |
1500 | if (lines-- == 1) | |
1501 | break; | |
b801d8b2 JF |
1502 | } |
1503 | ||
8855ada4 JF |
1504 | { |
1505 | int digits; | |
1506 | ||
1507 | lines = view->lines; | |
1508 | for (digits = 0; lines; digits++) | |
1509 | lines /= 10; | |
1510 | ||
1511 | /* Keep the displayed view in sync with line number scaling. */ | |
1512 | if (digits != view->digits) { | |
1513 | view->digits = digits; | |
1514 | redraw_from = 0; | |
1515 | } | |
1516 | } | |
1517 | ||
82e78006 JF |
1518 | if (redraw_from >= 0) { |
1519 | /* If this is an incremental update, redraw the previous line | |
a28bcc22 JF |
1520 | * since for commits some members could have changed when |
1521 | * loading the main view. */ | |
82e78006 JF |
1522 | if (redraw_from > 0) |
1523 | redraw_from--; | |
1524 | ||
1525 | /* Incrementally draw avoids flickering. */ | |
1526 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 1527 | } |
b801d8b2 | 1528 | |
eb98559e JF |
1529 | /* Update the title _after_ the redraw so that if the redraw picks up a |
1530 | * commit reference in view->ref it'll be available here. */ | |
1531 | update_view_title(view); | |
1532 | ||
b801d8b2 | 1533 | if (ferror(view->pipe)) { |
03a93dbb | 1534 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
1535 | goto end; |
1536 | ||
1537 | } else if (feof(view->pipe)) { | |
f97f4012 | 1538 | report(""); |
b801d8b2 JF |
1539 | goto end; |
1540 | } | |
1541 | ||
1542 | return TRUE; | |
1543 | ||
1544 | alloc_error: | |
2e8488b4 | 1545 | report("Allocation failure"); |
b801d8b2 JF |
1546 | |
1547 | end: | |
1548 | end_update(view); | |
1549 | return FALSE; | |
1550 | } | |
1551 | ||
79d445ca | 1552 | |
e10154d5 JF |
1553 | /* |
1554 | * View opening | |
1555 | */ | |
1556 | ||
79d445ca JF |
1557 | static void open_help_view(struct view *view) |
1558 | { | |
1559 | char buf[BUFSIZ]; | |
1560 | int lines = ARRAY_SIZE(req_info) + 2; | |
1561 | int i; | |
1562 | ||
1563 | if (view->lines > 0) | |
1564 | return; | |
1565 | ||
1566 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
1567 | if (!req_info[i].request) | |
1568 | lines++; | |
1569 | ||
1570 | view->line = calloc(lines, sizeof(*view->line)); | |
1571 | if (!view->line) { | |
1572 | report("Allocation failure"); | |
1573 | return; | |
1574 | } | |
1575 | ||
1576 | view->ops->read(view, "Quick reference for tig keybindings:"); | |
1577 | ||
1578 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
1579 | char *key; | |
1580 | ||
1581 | if (!req_info[i].request) { | |
1582 | view->ops->read(view, ""); | |
1583 | view->ops->read(view, req_info[i].help); | |
1584 | continue; | |
1585 | } | |
1586 | ||
1587 | key = get_key(req_info[i].request); | |
1588 | if (!string_format(buf, "%-25s %s", key, req_info[i].help)) | |
1589 | continue; | |
1590 | ||
1591 | view->ops->read(view, buf); | |
1592 | } | |
1593 | } | |
1594 | ||
49f2b43f JF |
1595 | enum open_flags { |
1596 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
1597 | OPEN_SPLIT = 1, /* Split current view. */ | |
1598 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
1599 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
1600 | }; | |
1601 | ||
6b161b31 | 1602 | static void |
49f2b43f | 1603 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 1604 | { |
49f2b43f JF |
1605 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
1606 | bool split = !!(flags & OPEN_SPLIT); | |
1607 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 1608 | struct view *view = VIEW(request); |
9f41488f | 1609 | int nviews = displayed_views(); |
6e950a52 | 1610 | struct view *base_view = display[0]; |
b801d8b2 | 1611 | |
49f2b43f | 1612 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
1613 | report("Already in %s view", view->name); |
1614 | return; | |
1615 | } | |
b801d8b2 | 1616 | |
2509b112 | 1617 | if (view == VIEW(REQ_VIEW_HELP)) { |
79d445ca | 1618 | open_help_view(view); |
2509b112 JF |
1619 | |
1620 | } else if ((reload || strcmp(view->vid, view->id)) && | |
1621 | !begin_update(view)) { | |
6b161b31 JF |
1622 | report("Failed to load %s view", view->name); |
1623 | return; | |
1624 | } | |
a28bcc22 | 1625 | |
6b161b31 | 1626 | if (split) { |
8d741c06 | 1627 | display[1] = view; |
6b161b31 | 1628 | if (!backgrounded) |
8d741c06 | 1629 | current_view = 1; |
6b161b31 JF |
1630 | } else { |
1631 | /* Maximize the current view. */ | |
1632 | memset(display, 0, sizeof(display)); | |
1633 | current_view = 0; | |
1634 | display[current_view] = view; | |
a28bcc22 | 1635 | } |
b801d8b2 | 1636 | |
6e950a52 JF |
1637 | /* Resize the view when switching between split- and full-screen, |
1638 | * or when switching between two different full-screen views. */ | |
1639 | if (nviews != displayed_views() || | |
1640 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 1641 | resize_display(); |
b801d8b2 | 1642 | |
a8891802 | 1643 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 1644 | /* Take the title line into account. */ |
eb98559e | 1645 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
1646 | |
1647 | /* Scroll the view that was split if the current line is | |
1648 | * outside the new limited view. */ | |
b3a54cba | 1649 | do_scroll_view(prev, lines, TRUE); |
03a93dbb JF |
1650 | } |
1651 | ||
6b161b31 | 1652 | if (prev && view != prev) { |
9b995f0c | 1653 | if (split && !backgrounded) { |
f0b3ab80 JF |
1654 | /* "Blur" the previous view. */ |
1655 | update_view_title(prev); | |
9f396969 | 1656 | } |
f0b3ab80 | 1657 | |
f6da0b66 | 1658 | view->parent = prev; |
b801d8b2 JF |
1659 | } |
1660 | ||
9f396969 | 1661 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
1662 | /* Clear the old view and let the incremental updating refill |
1663 | * the screen. */ | |
1664 | wclear(view->win); | |
f97f4012 | 1665 | report(""); |
03a93dbb JF |
1666 | } else { |
1667 | redraw_view(view); | |
24b5b3e0 | 1668 | report(""); |
03a93dbb | 1669 | } |
6706b2ba JF |
1670 | |
1671 | /* If the view is backgrounded the above calls to report() | |
1672 | * won't redraw the view title. */ | |
1673 | if (backgrounded) | |
1674 | update_view_title(view); | |
b801d8b2 JF |
1675 | } |
1676 | ||
1677 | ||
6b161b31 JF |
1678 | /* |
1679 | * User request switch noodle | |
1680 | */ | |
1681 | ||
b801d8b2 | 1682 | static int |
6b161b31 | 1683 | view_driver(struct view *view, enum request request) |
b801d8b2 | 1684 | { |
b801d8b2 JF |
1685 | int i; |
1686 | ||
1687 | switch (request) { | |
4a2909a7 JF |
1688 | case REQ_MOVE_UP: |
1689 | case REQ_MOVE_DOWN: | |
1690 | case REQ_MOVE_PAGE_UP: | |
1691 | case REQ_MOVE_PAGE_DOWN: | |
1692 | case REQ_MOVE_FIRST_LINE: | |
1693 | case REQ_MOVE_LAST_LINE: | |
b3a54cba | 1694 | move_view(view, request, TRUE); |
fd85fef1 JF |
1695 | break; |
1696 | ||
4a2909a7 JF |
1697 | case REQ_SCROLL_LINE_DOWN: |
1698 | case REQ_SCROLL_LINE_UP: | |
1699 | case REQ_SCROLL_PAGE_DOWN: | |
1700 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 1701 | scroll_view(view, request); |
b801d8b2 JF |
1702 | break; |
1703 | ||
4a2909a7 | 1704 | case REQ_VIEW_MAIN: |
4a2909a7 | 1705 | case REQ_VIEW_DIFF: |
2e8488b4 JF |
1706 | case REQ_VIEW_LOG: |
1707 | case REQ_VIEW_HELP: | |
6908bdbd | 1708 | case REQ_VIEW_PAGER: |
49f2b43f | 1709 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
1710 | break; |
1711 | ||
b3a54cba JF |
1712 | case REQ_NEXT: |
1713 | case REQ_PREVIOUS: | |
1714 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
1715 | ||
1716 | if (view == VIEW(REQ_VIEW_DIFF) && | |
1717 | view->parent == VIEW(REQ_VIEW_MAIN)) { | |
f0b3ab80 | 1718 | bool redraw = display[1] == view; |
b3a54cba JF |
1719 | |
1720 | view = view->parent; | |
1721 | move_view(view, request, redraw); | |
f0b3ab80 JF |
1722 | if (redraw) |
1723 | update_view_title(view); | |
b3a54cba JF |
1724 | } else { |
1725 | move_view(view, request, TRUE); | |
1726 | break; | |
1727 | } | |
6706b2ba JF |
1728 | /* Fall-through */ |
1729 | ||
6b161b31 | 1730 | case REQ_ENTER: |
6908bdbd JF |
1731 | if (!view->lines) { |
1732 | report("Nothing to enter"); | |
1733 | break; | |
1734 | } | |
fe7233c3 | 1735 | return view->ops->enter(view, &view->line[view->lineno]); |
6b161b31 | 1736 | |
03a93dbb JF |
1737 | case REQ_VIEW_NEXT: |
1738 | { | |
9f41488f | 1739 | int nviews = displayed_views(); |
03a93dbb JF |
1740 | int next_view = (current_view + 1) % nviews; |
1741 | ||
1742 | if (next_view == current_view) { | |
1743 | report("Only one view is displayed"); | |
1744 | break; | |
1745 | } | |
1746 | ||
1747 | current_view = next_view; | |
1748 | /* Blur out the title of the previous view. */ | |
1749 | update_view_title(view); | |
6734f6b9 | 1750 | report(""); |
03a93dbb JF |
1751 | break; |
1752 | } | |
24b5b3e0 | 1753 | case REQ_TOGGLE_LINENO: |
b76c2afc | 1754 | opt_line_number = !opt_line_number; |
20bb5e18 | 1755 | redraw_display(); |
b801d8b2 JF |
1756 | break; |
1757 | ||
54efb62b JF |
1758 | case REQ_TOGGLE_REV_GRAPH: |
1759 | opt_rev_graph = !opt_rev_graph; | |
1760 | redraw_display(); | |
1761 | break; | |
1762 | ||
03a93dbb | 1763 | case REQ_PROMPT: |
8855ada4 | 1764 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 1765 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
1766 | break; |
1767 | ||
4a2909a7 | 1768 | case REQ_STOP_LOADING: |
59a45d3a JF |
1769 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
1770 | view = &views[i]; | |
2e8488b4 | 1771 | if (view->pipe) |
6a7bb912 | 1772 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
1773 | end_update(view); |
1774 | } | |
b801d8b2 JF |
1775 | break; |
1776 | ||
4a2909a7 | 1777 | case REQ_SHOW_VERSION: |
6cb291b7 | 1778 | report("%s (built %s)", VERSION, __DATE__); |
b801d8b2 JF |
1779 | return TRUE; |
1780 | ||
fac7db6c JF |
1781 | case REQ_SCREEN_RESIZE: |
1782 | resize_display(); | |
1783 | /* Fall-through */ | |
4a2909a7 | 1784 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 1785 | redraw_display(); |
4a2909a7 JF |
1786 | break; |
1787 | ||
1788 | case REQ_SCREEN_UPDATE: | |
b801d8b2 JF |
1789 | doupdate(); |
1790 | return TRUE; | |
1791 | ||
4f9b667a | 1792 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
1793 | /* XXX: Mark closed views by letting view->parent point to the |
1794 | * view itself. Parents to closed view should never be | |
1795 | * followed. */ | |
1796 | if (view->parent && | |
1797 | view->parent->parent != view->parent) { | |
4f9b667a JF |
1798 | memset(display, 0, sizeof(display)); |
1799 | current_view = 0; | |
f6da0b66 | 1800 | display[current_view] = view->parent; |
2fcf5401 | 1801 | view->parent = view; |
4f9b667a JF |
1802 | resize_display(); |
1803 | redraw_display(); | |
1804 | break; | |
1805 | } | |
1806 | /* Fall-through */ | |
b801d8b2 JF |
1807 | case REQ_QUIT: |
1808 | return FALSE; | |
1809 | ||
1810 | default: | |
2e8488b4 | 1811 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 1812 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
1813 | return TRUE; |
1814 | } | |
1815 | ||
1816 | return TRUE; | |
1817 | } | |
1818 | ||
1819 | ||
1820 | /* | |
ff26aa29 | 1821 | * Pager backend |
b801d8b2 JF |
1822 | */ |
1823 | ||
6b161b31 | 1824 | static bool |
fe7233c3 | 1825 | pager_draw(struct view *view, struct line *line, unsigned int lineno) |
b801d8b2 | 1826 | { |
fe7233c3 JF |
1827 | char *text = line->data; |
1828 | enum line_type type = line->type; | |
1829 | int textlen = strlen(text); | |
78c70acd | 1830 | int attr; |
b801d8b2 | 1831 | |
6706b2ba JF |
1832 | wmove(view->win, lineno, 0); |
1833 | ||
fd85fef1 | 1834 | if (view->offset + lineno == view->lineno) { |
8855ada4 | 1835 | if (type == LINE_COMMIT) { |
fe7233c3 | 1836 | string_copy(view->ref, text + 7); |
03a93dbb JF |
1837 | string_copy(ref_commit, view->ref); |
1838 | } | |
8855ada4 | 1839 | |
78c70acd | 1840 | type = LINE_CURSOR; |
6706b2ba | 1841 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
1842 | } |
1843 | ||
78c70acd | 1844 | attr = get_line_attr(type); |
b801d8b2 | 1845 | wattrset(view->win, attr); |
b76c2afc | 1846 | |
6706b2ba JF |
1847 | if (opt_line_number || opt_tab_size < TABSIZE) { |
1848 | static char spaces[] = " "; | |
1849 | int col_offset = 0, col = 0; | |
1850 | ||
1851 | if (opt_line_number) { | |
1852 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 1853 | |
6706b2ba JF |
1854 | if (real_lineno == 1 || |
1855 | (real_lineno % opt_num_interval) == 0) { | |
1856 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 1857 | |
6706b2ba JF |
1858 | } else { |
1859 | waddnstr(view->win, spaces, | |
1860 | MIN(view->digits, STRING_SIZE(spaces))); | |
1861 | } | |
1862 | waddstr(view->win, ": "); | |
1863 | col_offset = view->digits + 2; | |
1864 | } | |
8855ada4 | 1865 | |
fe7233c3 | 1866 | while (text && col_offset + col < view->width) { |
6706b2ba | 1867 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 1868 | char *pos = text; |
6706b2ba | 1869 | int cols; |
4c6fabc2 | 1870 | |
fe7233c3 JF |
1871 | if (*text == '\t') { |
1872 | text++; | |
6706b2ba | 1873 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 1874 | pos = spaces; |
6706b2ba | 1875 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 1876 | |
b76c2afc | 1877 | } else { |
fe7233c3 JF |
1878 | text = strchr(text, '\t'); |
1879 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 1880 | } |
6706b2ba | 1881 | |
fe7233c3 | 1882 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 1883 | col += cols; |
b76c2afc | 1884 | } |
b76c2afc JF |
1885 | |
1886 | } else { | |
6706b2ba | 1887 | int col = 0, pos = 0; |
b801d8b2 | 1888 | |
fe7233c3 JF |
1889 | for (; pos < textlen && col < view->width; pos++, col++) |
1890 | if (text[pos] == '\t') | |
6706b2ba JF |
1891 | col += TABSIZE - (col % TABSIZE) - 1; |
1892 | ||
fe7233c3 | 1893 | waddnstr(view->win, text, pos); |
6706b2ba | 1894 | } |
2e8488b4 | 1895 | |
b801d8b2 JF |
1896 | return TRUE; |
1897 | } | |
1898 | ||
7b99a34c JF |
1899 | static void |
1900 | add_pager_refs(struct view *view, struct line *line) | |
1901 | { | |
1902 | char buf[1024]; | |
1903 | char *data = line->data; | |
1904 | struct ref **refs; | |
1905 | int bufpos = 0, refpos = 0; | |
1906 | const char *sep = "Refs: "; | |
1907 | ||
1908 | assert(line->type == LINE_COMMIT); | |
1909 | ||
1910 | refs = get_refs(data + STRING_SIZE("commit ")); | |
1911 | if (!refs) | |
1912 | return; | |
1913 | ||
1914 | do { | |
cc2d1364 JF |
1915 | struct ref *ref = refs[refpos]; |
1916 | char *fmt = ref->tag ? "%s[%s]" : "%s%s"; | |
7b99a34c | 1917 | |
cc2d1364 JF |
1918 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
1919 | return; | |
7b99a34c JF |
1920 | sep = ", "; |
1921 | } while (refs[refpos++]->next); | |
1922 | ||
cc2d1364 | 1923 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
1924 | return; |
1925 | ||
1926 | line = &view->line[view->lines]; | |
1927 | line->data = strdup(buf); | |
1928 | if (!line->data) | |
1929 | return; | |
1930 | ||
1931 | line->type = LINE_PP_REFS; | |
1932 | view->lines++; | |
1933 | } | |
1934 | ||
6b161b31 | 1935 | static bool |
701e4f5d | 1936 | pager_read(struct view *view, char *data) |
22f66b0a | 1937 | { |
7b99a34c | 1938 | struct line *line = &view->line[view->lines]; |
22f66b0a | 1939 | |
7b99a34c JF |
1940 | line->data = strdup(data); |
1941 | if (!line->data) | |
1942 | return FALSE; | |
fe7233c3 | 1943 | |
7b99a34c | 1944 | line->type = get_line_type(line->data); |
22f66b0a | 1945 | view->lines++; |
7b99a34c JF |
1946 | |
1947 | if (line->type == LINE_COMMIT && | |
1948 | (view == VIEW(REQ_VIEW_DIFF) || | |
1949 | view == VIEW(REQ_VIEW_LOG))) | |
1950 | add_pager_refs(view, line); | |
1951 | ||
22f66b0a JF |
1952 | return TRUE; |
1953 | } | |
1954 | ||
6b161b31 | 1955 | static bool |
fe7233c3 | 1956 | pager_enter(struct view *view, struct line *line) |
6b161b31 | 1957 | { |
91e8e277 | 1958 | int split = 0; |
6b161b31 | 1959 | |
9fbbd28f JF |
1960 | if (line->type == LINE_COMMIT && |
1961 | (view == VIEW(REQ_VIEW_LOG) || | |
1962 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
1963 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
1964 | split = 1; | |
67e48ac5 JF |
1965 | } |
1966 | ||
91e8e277 JF |
1967 | /* Always scroll the view even if it was split. That way |
1968 | * you can use Enter to scroll through the log view and | |
1969 | * split open each commit diff. */ | |
1970 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
1971 | ||
1972 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
1973 | * but if we are scrolling a non-current view this won't properly |
1974 | * update the view title. */ | |
91e8e277 JF |
1975 | if (split) |
1976 | update_view_title(view); | |
6b161b31 JF |
1977 | |
1978 | return TRUE; | |
1979 | } | |
1980 | ||
6b161b31 | 1981 | static struct view_ops pager_ops = { |
6734f6b9 | 1982 | "line", |
6b161b31 JF |
1983 | pager_draw, |
1984 | pager_read, | |
1985 | pager_enter, | |
1986 | }; | |
1987 | ||
80ce96ea | 1988 | |
ff26aa29 JF |
1989 | /* |
1990 | * Main view backend | |
1991 | */ | |
1992 | ||
1993 | struct commit { | |
54efb62b JF |
1994 | char id[41]; /* SHA1 ID. */ |
1995 | char title[75]; /* First line of the commit message. */ | |
1996 | char author[75]; /* Author of the commit. */ | |
1997 | struct tm time; /* Date from the author ident. */ | |
1998 | struct ref **refs; /* Repository references. */ | |
1999 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
2000 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 2001 | }; |
c34d9c9f | 2002 | |
6b161b31 | 2003 | static bool |
fe7233c3 | 2004 | main_draw(struct view *view, struct line *line, unsigned int lineno) |
22f66b0a | 2005 | { |
2e8488b4 | 2006 | char buf[DATE_COLS + 1]; |
fe7233c3 | 2007 | struct commit *commit = line->data; |
78c70acd | 2008 | enum line_type type; |
6706b2ba | 2009 | int col = 0; |
b76c2afc | 2010 | size_t timelen; |
10e290ee | 2011 | size_t authorlen; |
9989bf60 | 2012 | int trimmed = 1; |
22f66b0a | 2013 | |
4c6fabc2 JF |
2014 | if (!*commit->author) |
2015 | return FALSE; | |
22f66b0a | 2016 | |
6706b2ba JF |
2017 | wmove(view->win, lineno, col); |
2018 | ||
22f66b0a | 2019 | if (view->offset + lineno == view->lineno) { |
03a93dbb | 2020 | string_copy(view->ref, commit->id); |
49f2b43f | 2021 | string_copy(ref_commit, view->ref); |
78c70acd | 2022 | type = LINE_CURSOR; |
6706b2ba JF |
2023 | wattrset(view->win, get_line_attr(type)); |
2024 | wchgat(view->win, -1, 0, type, NULL); | |
2025 | ||
78c70acd | 2026 | } else { |
b76c2afc | 2027 | type = LINE_MAIN_COMMIT; |
6706b2ba | 2028 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); |
b76c2afc JF |
2029 | } |
2030 | ||
4c6fabc2 | 2031 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); |
b76c2afc | 2032 | waddnstr(view->win, buf, timelen); |
4c6fabc2 | 2033 | waddstr(view->win, " "); |
b76c2afc | 2034 | |
6706b2ba JF |
2035 | col += DATE_COLS; |
2036 | wmove(view->win, lineno, col); | |
2037 | if (type != LINE_CURSOR) | |
2038 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
b76c2afc | 2039 | |
9989bf60 JF |
2040 | if (opt_utf8) { |
2041 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
2042 | } else { | |
2043 | authorlen = strlen(commit->author); | |
2044 | if (authorlen > AUTHOR_COLS - 2) { | |
2045 | authorlen = AUTHOR_COLS - 2; | |
2046 | trimmed = 1; | |
2047 | } | |
2048 | } | |
10e290ee JF |
2049 | |
2050 | if (trimmed) { | |
2051 | waddnstr(view->win, commit->author, authorlen); | |
6706b2ba JF |
2052 | if (type != LINE_CURSOR) |
2053 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
b76c2afc JF |
2054 | waddch(view->win, '~'); |
2055 | } else { | |
2056 | waddstr(view->win, commit->author); | |
22f66b0a JF |
2057 | } |
2058 | ||
10e290ee | 2059 | col += AUTHOR_COLS; |
6706b2ba JF |
2060 | if (type != LINE_CURSOR) |
2061 | wattrset(view->win, A_NORMAL); | |
2062 | ||
54efb62b JF |
2063 | if (opt_rev_graph && commit->graph_size) { |
2064 | size_t i; | |
2065 | ||
2066 | wmove(view->win, lineno, col); | |
2067 | /* Using waddch() instead of waddnstr() ensures that | |
2068 | * they'll be rendered correctly for the cursor line. */ | |
2069 | for (i = 0; i < commit->graph_size; i++) | |
2070 | waddch(view->win, commit->graph[i]); | |
2071 | ||
2072 | col += commit->graph_size + 1; | |
2073 | } | |
2074 | ||
2075 | wmove(view->win, lineno, col); | |
c34d9c9f JF |
2076 | |
2077 | if (commit->refs) { | |
2078 | size_t i = 0; | |
2079 | ||
2080 | do { | |
6706b2ba JF |
2081 | if (type == LINE_CURSOR) |
2082 | ; | |
2083 | else if (commit->refs[i]->tag) | |
c34d9c9f JF |
2084 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); |
2085 | else | |
2086 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
2087 | waddstr(view->win, "["); | |
2088 | waddstr(view->win, commit->refs[i]->name); | |
2089 | waddstr(view->win, "]"); | |
6706b2ba JF |
2090 | if (type != LINE_CURSOR) |
2091 | wattrset(view->win, A_NORMAL); | |
c34d9c9f | 2092 | waddstr(view->win, " "); |
6706b2ba | 2093 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); |
c34d9c9f JF |
2094 | } while (commit->refs[i++]->next); |
2095 | } | |
2096 | ||
6706b2ba JF |
2097 | if (type != LINE_CURSOR) |
2098 | wattrset(view->win, get_line_attr(type)); | |
2099 | ||
2100 | { | |
2101 | int titlelen = strlen(commit->title); | |
2102 | ||
2103 | if (col + titlelen > view->width) | |
2104 | titlelen = view->width - col; | |
2105 | ||
2106 | waddnstr(view->win, commit->title, titlelen); | |
2107 | } | |
22f66b0a JF |
2108 | |
2109 | return TRUE; | |
2110 | } | |
2111 | ||
4c6fabc2 | 2112 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 2113 | static bool |
701e4f5d | 2114 | main_read(struct view *view, char *line) |
22f66b0a | 2115 | { |
78c70acd | 2116 | enum line_type type = get_line_type(line); |
701e4f5d JF |
2117 | struct commit *commit = view->lines |
2118 | ? view->line[view->lines - 1].data : NULL; | |
22f66b0a | 2119 | |
78c70acd JF |
2120 | switch (type) { |
2121 | case LINE_COMMIT: | |
22f66b0a JF |
2122 | commit = calloc(1, sizeof(struct commit)); |
2123 | if (!commit) | |
2124 | return FALSE; | |
2125 | ||
4c6fabc2 | 2126 | line += STRING_SIZE("commit "); |
b76c2afc | 2127 | |
fe7233c3 | 2128 | view->line[view->lines++].data = commit; |
82e78006 | 2129 | string_copy(commit->id, line); |
c34d9c9f | 2130 | commit->refs = get_refs(commit->id); |
54efb62b | 2131 | commit->graph[commit->graph_size++] = ACS_LTEE; |
78c70acd | 2132 | break; |
22f66b0a | 2133 | |
8855ada4 | 2134 | case LINE_AUTHOR: |
b76c2afc | 2135 | { |
4c6fabc2 | 2136 | char *ident = line + STRING_SIZE("author "); |
b76c2afc JF |
2137 | char *end = strchr(ident, '<'); |
2138 | ||
701e4f5d | 2139 | if (!commit) |
fe7233c3 JF |
2140 | break; |
2141 | ||
b76c2afc JF |
2142 | if (end) { |
2143 | for (; end > ident && isspace(end[-1]); end--) ; | |
2144 | *end = 0; | |
2145 | } | |
2146 | ||
82e78006 | 2147 | string_copy(commit->author, ident); |
b76c2afc | 2148 | |
4c6fabc2 | 2149 | /* Parse epoch and timezone */ |
b76c2afc JF |
2150 | if (end) { |
2151 | char *secs = strchr(end + 1, '>'); | |
2152 | char *zone; | |
2153 | time_t time; | |
2154 | ||
2155 | if (!secs || secs[1] != ' ') | |
2156 | break; | |
2157 | ||
2158 | secs += 2; | |
2159 | time = (time_t) atol(secs); | |
2160 | zone = strchr(secs, ' '); | |
4c6fabc2 | 2161 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
2162 | long tz; |
2163 | ||
2164 | zone++; | |
2165 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
2166 | tz += ('0' - zone[2]) * 60 * 60; | |
2167 | tz += ('0' - zone[3]) * 60; | |
2168 | tz += ('0' - zone[4]) * 60; | |
2169 | ||
2170 | if (zone[0] == '-') | |
2171 | tz = -tz; | |
2172 | ||
2173 | time -= tz; | |
2174 | } | |
2175 | gmtime_r(&time, &commit->time); | |
2176 | } | |
2177 | break; | |
2178 | } | |
78c70acd | 2179 | default: |
701e4f5d | 2180 | if (!commit) |
2e8488b4 JF |
2181 | break; |
2182 | ||
2183 | /* Fill in the commit title if it has not already been set. */ | |
2e8488b4 JF |
2184 | if (commit->title[0]) |
2185 | break; | |
2186 | ||
2187 | /* Require titles to start with a non-space character at the | |
2188 | * offset used by git log. */ | |
eb98559e JF |
2189 | /* FIXME: More gracefull handling of titles; append "..." to |
2190 | * shortened titles, etc. */ | |
2e8488b4 | 2191 | if (strncmp(line, " ", 4) || |
eb98559e | 2192 | isspace(line[4])) |
82e78006 JF |
2193 | break; |
2194 | ||
2195 | string_copy(commit->title, line + 4); | |
22f66b0a JF |
2196 | } |
2197 | ||
2198 | return TRUE; | |
2199 | } | |
2200 | ||
6b161b31 | 2201 | static bool |
fe7233c3 | 2202 | main_enter(struct view *view, struct line *line) |
b801d8b2 | 2203 | { |
b3a54cba JF |
2204 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
2205 | ||
2206 | open_view(view, REQ_VIEW_DIFF, flags); | |
6b161b31 | 2207 | return TRUE; |
b801d8b2 JF |
2208 | } |
2209 | ||
6b161b31 | 2210 | static struct view_ops main_ops = { |
6734f6b9 | 2211 | "commit", |
6b161b31 JF |
2212 | main_draw, |
2213 | main_read, | |
2214 | main_enter, | |
2215 | }; | |
2e8488b4 | 2216 | |
c34d9c9f | 2217 | |
6b161b31 | 2218 | /* |
10e290ee JF |
2219 | * Unicode / UTF-8 handling |
2220 | * | |
2221 | * NOTE: Much of the following code for dealing with unicode is derived from | |
2222 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
2223 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
2224 | */ | |
2225 | ||
2226 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
2227 | * confident that the approach taken by this small UTF-8 interface is correct. | |
2228 | * --jonas */ | |
2229 | ||
2230 | static inline int | |
2231 | unicode_width(unsigned long c) | |
2232 | { | |
2233 | if (c >= 0x1100 && | |
2234 | (c <= 0x115f /* Hangul Jamo */ | |
2235 | || c == 0x2329 | |
2236 | || c == 0x232a | |
2237 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 2238 | /* CJK ... Yi */ |
10e290ee JF |
2239 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
2240 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
2241 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
2242 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
2243 | || (c >= 0xffe0 && c <= 0xffe6) | |
2244 | || (c >= 0x20000 && c <= 0x2fffd) | |
2245 | || (c >= 0x30000 && c <= 0x3fffd))) | |
2246 | return 2; | |
2247 | ||
2248 | return 1; | |
2249 | } | |
2250 | ||
2251 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
2252 | * Illegal bytes are set one. */ | |
2253 | static const unsigned char utf8_bytes[256] = { | |
2254 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
2255 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
2256 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
2257 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
2258 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
2259 | 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, | |
2260 | 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, | |
2261 | 3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3, 4,4,4,4,4,4,4,4, 5,5,5,5,6,6,1,1, | |
2262 | }; | |
2263 | ||
2264 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
2265 | static inline unsigned long | |
2266 | utf8_to_unicode(const char *string, size_t length) | |
2267 | { | |
2268 | unsigned long unicode; | |
2269 | ||
2270 | switch (length) { | |
2271 | case 1: | |
2272 | unicode = string[0]; | |
2273 | break; | |
2274 | case 2: | |
2275 | unicode = (string[0] & 0x1f) << 6; | |
2276 | unicode += (string[1] & 0x3f); | |
2277 | break; | |
2278 | case 3: | |
2279 | unicode = (string[0] & 0x0f) << 12; | |
2280 | unicode += ((string[1] & 0x3f) << 6); | |
2281 | unicode += (string[2] & 0x3f); | |
2282 | break; | |
2283 | case 4: | |
2284 | unicode = (string[0] & 0x0f) << 18; | |
2285 | unicode += ((string[1] & 0x3f) << 12); | |
2286 | unicode += ((string[2] & 0x3f) << 6); | |
2287 | unicode += (string[3] & 0x3f); | |
2288 | break; | |
2289 | case 5: | |
2290 | unicode = (string[0] & 0x0f) << 24; | |
2291 | unicode += ((string[1] & 0x3f) << 18); | |
2292 | unicode += ((string[2] & 0x3f) << 12); | |
2293 | unicode += ((string[3] & 0x3f) << 6); | |
2294 | unicode += (string[4] & 0x3f); | |
2295 | break; | |
68b6e0eb | 2296 | case 6: |
10e290ee JF |
2297 | unicode = (string[0] & 0x01) << 30; |
2298 | unicode += ((string[1] & 0x3f) << 24); | |
2299 | unicode += ((string[2] & 0x3f) << 18); | |
2300 | unicode += ((string[3] & 0x3f) << 12); | |
2301 | unicode += ((string[4] & 0x3f) << 6); | |
2302 | unicode += (string[5] & 0x3f); | |
2303 | break; | |
2304 | default: | |
2305 | die("Invalid unicode length"); | |
2306 | } | |
2307 | ||
2308 | /* Invalid characters could return the special 0xfffd value but NUL | |
2309 | * should be just as good. */ | |
2310 | return unicode > 0xffff ? 0 : unicode; | |
2311 | } | |
2312 | ||
2313 | /* Calculates how much of string can be shown within the given maximum width | |
2314 | * and sets trimmed parameter to non-zero value if all of string could not be | |
2315 | * shown. | |
2316 | * | |
2317 | * Additionally, adds to coloffset how many many columns to move to align with | |
2318 | * the expected position. Takes into account how multi-byte and double-width | |
2319 | * characters will effect the cursor position. | |
2320 | * | |
2321 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
2322 | static size_t | |
2323 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
2324 | { | |
2325 | const char *start = string; | |
2326 | const char *end = strchr(string, '\0'); | |
2327 | size_t mbwidth = 0; | |
2328 | size_t width = 0; | |
2329 | ||
2330 | *trimmed = 0; | |
2331 | ||
2332 | while (string < end) { | |
2333 | int c = *(unsigned char *) string; | |
2334 | unsigned char bytes = utf8_bytes[c]; | |
2335 | size_t ucwidth; | |
2336 | unsigned long unicode; | |
2337 | ||
2338 | if (string + bytes > end) | |
2339 | break; | |
2340 | ||
2341 | /* Change representation to figure out whether | |
2342 | * it is a single- or double-width character. */ | |
2343 | ||
2344 | unicode = utf8_to_unicode(string, bytes); | |
2345 | /* FIXME: Graceful handling of invalid unicode character. */ | |
2346 | if (!unicode) | |
2347 | break; | |
2348 | ||
2349 | ucwidth = unicode_width(unicode); | |
2350 | width += ucwidth; | |
2351 | if (width > max_width) { | |
2352 | *trimmed = 1; | |
2353 | break; | |
2354 | } | |
2355 | ||
2356 | /* The column offset collects the differences between the | |
2357 | * number of bytes encoding a character and the number of | |
2358 | * columns will be used for rendering said character. | |
2359 | * | |
2360 | * So if some character A is encoded in 2 bytes, but will be | |
2361 | * represented on the screen using only 1 byte this will and up | |
2362 | * adding 1 to the multi-byte column offset. | |
2363 | * | |
2364 | * Assumes that no double-width character can be encoding in | |
2365 | * less than two bytes. */ | |
2366 | if (bytes > ucwidth) | |
2367 | mbwidth += bytes - ucwidth; | |
2368 | ||
2369 | string += bytes; | |
2370 | } | |
2371 | ||
2372 | *coloffset += mbwidth; | |
2373 | ||
2374 | return string - start; | |
2375 | } | |
2376 | ||
2377 | ||
2378 | /* | |
6b161b31 JF |
2379 | * Status management |
2380 | */ | |
2e8488b4 | 2381 | |
8855ada4 | 2382 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 2383 | static bool cursed = FALSE; |
8855ada4 | 2384 | |
6b161b31 JF |
2385 | /* The status window is used for polling keystrokes. */ |
2386 | static WINDOW *status_win; | |
4a2909a7 | 2387 | |
2e8488b4 | 2388 | /* Update status and title window. */ |
4a2909a7 JF |
2389 | static void |
2390 | report(const char *msg, ...) | |
2391 | { | |
6706b2ba JF |
2392 | static bool empty = TRUE; |
2393 | struct view *view = display[current_view]; | |
b76c2afc | 2394 | |
6706b2ba JF |
2395 | if (!empty || *msg) { |
2396 | va_list args; | |
4a2909a7 | 2397 | |
6706b2ba | 2398 | va_start(args, msg); |
4b76734f | 2399 | |
6706b2ba JF |
2400 | werase(status_win); |
2401 | wmove(status_win, 0, 0); | |
2402 | if (*msg) { | |
2403 | vwprintw(status_win, msg, args); | |
2404 | empty = FALSE; | |
2405 | } else { | |
2406 | empty = TRUE; | |
2407 | } | |
2408 | wrefresh(status_win); | |
b801d8b2 | 2409 | |
6706b2ba JF |
2410 | va_end(args); |
2411 | } | |
2412 | ||
2413 | update_view_title(view); | |
85af6284 | 2414 | update_display_cursor(); |
b801d8b2 JF |
2415 | } |
2416 | ||
6b161b31 JF |
2417 | /* Controls when nodelay should be in effect when polling user input. */ |
2418 | static void | |
1ba2ae4b | 2419 | set_nonblocking_input(bool loading) |
b801d8b2 | 2420 | { |
6706b2ba | 2421 | static unsigned int loading_views; |
b801d8b2 | 2422 | |
6706b2ba JF |
2423 | if ((loading == FALSE && loading_views-- == 1) || |
2424 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 2425 | nodelay(status_win, loading); |
6b161b31 JF |
2426 | } |
2427 | ||
2428 | static void | |
2429 | init_display(void) | |
2430 | { | |
2431 | int x, y; | |
b76c2afc | 2432 | |
6908bdbd JF |
2433 | /* Initialize the curses library */ |
2434 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 2435 | cursed = !!initscr(); |
6908bdbd JF |
2436 | } else { |
2437 | /* Leave stdin and stdout alone when acting as a pager. */ | |
2438 | FILE *io = fopen("/dev/tty", "r+"); | |
2439 | ||
8855ada4 | 2440 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
2441 | } |
2442 | ||
8855ada4 JF |
2443 | if (!cursed) |
2444 | die("Failed to initialize curses"); | |
2445 | ||
2e8488b4 JF |
2446 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
2447 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
2448 | noecho(); /* Don't echo input */ | |
b801d8b2 | 2449 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
2450 | |
2451 | if (has_colors()) | |
2452 | init_colors(); | |
2453 | ||
2454 | getmaxyx(stdscr, y, x); | |
2455 | status_win = newwin(1, 0, y - 1, 0); | |
2456 | if (!status_win) | |
2457 | die("Failed to create status window"); | |
2458 | ||
2459 | /* Enable keyboard mapping */ | |
2460 | keypad(status_win, TRUE); | |
78c70acd | 2461 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
2462 | } |
2463 | ||
c34d9c9f JF |
2464 | |
2465 | /* | |
2466 | * Repository references | |
2467 | */ | |
2468 | ||
2469 | static struct ref *refs; | |
3a91b75e | 2470 | static size_t refs_size; |
c34d9c9f | 2471 | |
1307df1a JF |
2472 | /* Id <-> ref store */ |
2473 | static struct ref ***id_refs; | |
2474 | static size_t id_refs_size; | |
2475 | ||
c34d9c9f JF |
2476 | static struct ref ** |
2477 | get_refs(char *id) | |
2478 | { | |
1307df1a JF |
2479 | struct ref ***tmp_id_refs; |
2480 | struct ref **ref_list = NULL; | |
2481 | size_t ref_list_size = 0; | |
c34d9c9f JF |
2482 | size_t i; |
2483 | ||
1307df1a JF |
2484 | for (i = 0; i < id_refs_size; i++) |
2485 | if (!strcmp(id, id_refs[i][0]->id)) | |
2486 | return id_refs[i]; | |
2487 | ||
2488 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
2489 | if (!tmp_id_refs) | |
2490 | return NULL; | |
2491 | ||
2492 | id_refs = tmp_id_refs; | |
2493 | ||
c34d9c9f JF |
2494 | for (i = 0; i < refs_size; i++) { |
2495 | struct ref **tmp; | |
2496 | ||
2497 | if (strcmp(id, refs[i].id)) | |
2498 | continue; | |
2499 | ||
1307df1a | 2500 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 2501 | if (!tmp) { |
1307df1a JF |
2502 | if (ref_list) |
2503 | free(ref_list); | |
c34d9c9f JF |
2504 | return NULL; |
2505 | } | |
2506 | ||
1307df1a JF |
2507 | ref_list = tmp; |
2508 | if (ref_list_size > 0) | |
2509 | ref_list[ref_list_size - 1]->next = 1; | |
2510 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
2511 | |
2512 | /* XXX: The properties of the commit chains ensures that we can | |
2513 | * safely modify the shared ref. The repo references will | |
2514 | * always be similar for the same id. */ | |
1307df1a JF |
2515 | ref_list[ref_list_size]->next = 0; |
2516 | ref_list_size++; | |
c34d9c9f JF |
2517 | } |
2518 | ||
1307df1a JF |
2519 | if (ref_list) |
2520 | id_refs[id_refs_size++] = ref_list; | |
2521 | ||
2522 | return ref_list; | |
c34d9c9f JF |
2523 | } |
2524 | ||
2525 | static int | |
d0cea5f9 | 2526 | read_ref(char *id, int idlen, char *name, int namelen) |
c34d9c9f | 2527 | { |
d0cea5f9 JF |
2528 | struct ref *ref; |
2529 | bool tag = FALSE; | |
d0cea5f9 | 2530 | |
8b0297ae JF |
2531 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
2532 | /* Commits referenced by tags has "^{}" appended. */ | |
2533 | if (name[namelen - 1] != '}') | |
2534 | return OK; | |
2535 | ||
d0cea5f9 JF |
2536 | while (namelen > 0 && name[namelen] != '^') |
2537 | namelen--; | |
c34d9c9f | 2538 | |
d0cea5f9 | 2539 | tag = TRUE; |
8b0297ae JF |
2540 | namelen -= STRING_SIZE("refs/tags/"); |
2541 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 2542 | |
d0cea5f9 | 2543 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
2544 | namelen -= STRING_SIZE("refs/heads/"); |
2545 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 2546 | |
d0cea5f9 JF |
2547 | } else if (!strcmp(name, "HEAD")) { |
2548 | return OK; | |
2549 | } | |
6706b2ba | 2550 | |
d0cea5f9 JF |
2551 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
2552 | if (!refs) | |
2553 | return ERR; | |
c34d9c9f | 2554 | |
d0cea5f9 | 2555 | ref = &refs[refs_size++]; |
8b0297ae | 2556 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
2557 | if (!ref->name) |
2558 | return ERR; | |
3af8774e | 2559 | |
8b0297ae JF |
2560 | strncpy(ref->name, name, namelen); |
2561 | ref->name[namelen] = 0; | |
d0cea5f9 JF |
2562 | ref->tag = tag; |
2563 | string_copy(ref->id, id); | |
3af8774e | 2564 | |
d0cea5f9 JF |
2565 | return OK; |
2566 | } | |
c34d9c9f | 2567 | |
d0cea5f9 JF |
2568 | static int |
2569 | load_refs(void) | |
2570 | { | |
2571 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
2572 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 2573 | |
4a63c884 | 2574 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 2575 | } |
c34d9c9f | 2576 | |
d0cea5f9 | 2577 | static int |
14c778a6 | 2578 | read_repo_config_option(char *name, int namelen, char *value, int valuelen) |
d0cea5f9 | 2579 | { |
22913179 | 2580 | if (!strcmp(name, "i18n.commitencoding")) |
d0cea5f9 | 2581 | string_copy(opt_encoding, value); |
c34d9c9f | 2582 | |
c34d9c9f JF |
2583 | return OK; |
2584 | } | |
2585 | ||
4670cf89 | 2586 | static int |
14c778a6 | 2587 | load_repo_config(void) |
4670cf89 | 2588 | { |
66749723 | 2589 | return read_properties(popen("git repo-config --list", "r"), |
14c778a6 | 2590 | "=", read_repo_config_option); |
d0cea5f9 JF |
2591 | } |
2592 | ||
2593 | static int | |
4a63c884 | 2594 | read_properties(FILE *pipe, const char *separators, |
d0cea5f9 JF |
2595 | int (*read_property)(char *, int, char *, int)) |
2596 | { | |
4670cf89 JF |
2597 | char buffer[BUFSIZ]; |
2598 | char *name; | |
d0cea5f9 | 2599 | int state = OK; |
4670cf89 JF |
2600 | |
2601 | if (!pipe) | |
2602 | return ERR; | |
2603 | ||
d0cea5f9 | 2604 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
2605 | char *value; |
2606 | size_t namelen; | |
2607 | size_t valuelen; | |
4670cf89 | 2608 | |
4a63c884 JF |
2609 | name = chomp_string(name); |
2610 | namelen = strcspn(name, separators); | |
2611 | ||
2612 | if (name[namelen]) { | |
2613 | name[namelen] = 0; | |
2614 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 2615 | valuelen = strlen(value); |
4670cf89 | 2616 | |
d0cea5f9 | 2617 | } else { |
d0cea5f9 JF |
2618 | value = ""; |
2619 | valuelen = 0; | |
4670cf89 | 2620 | } |
d0cea5f9 | 2621 | |
3c3801c2 | 2622 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
2623 | } |
2624 | ||
d0cea5f9 JF |
2625 | if (state != ERR && ferror(pipe)) |
2626 | state = ERR; | |
4670cf89 JF |
2627 | |
2628 | pclose(pipe); | |
2629 | ||
d0cea5f9 | 2630 | return state; |
4670cf89 JF |
2631 | } |
2632 | ||
d0cea5f9 | 2633 | |
6b161b31 JF |
2634 | /* |
2635 | * Main | |
2636 | */ | |
2637 | ||
b5c9e67f | 2638 | static void __NORETURN |
6b161b31 JF |
2639 | quit(int sig) |
2640 | { | |
8855ada4 JF |
2641 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
2642 | if (cursed) | |
2643 | endwin(); | |
6b161b31 JF |
2644 | exit(0); |
2645 | } | |
2646 | ||
c6704a4e JF |
2647 | static void __NORETURN |
2648 | die(const char *err, ...) | |
6b161b31 JF |
2649 | { |
2650 | va_list args; | |
2651 | ||
2652 | endwin(); | |
2653 | ||
2654 | va_start(args, err); | |
2655 | fputs("tig: ", stderr); | |
2656 | vfprintf(stderr, err, args); | |
2657 | fputs("\n", stderr); | |
2658 | va_end(args); | |
2659 | ||
2660 | exit(1); | |
2661 | } | |
2662 | ||
2663 | int | |
2664 | main(int argc, char *argv[]) | |
2665 | { | |
1ba2ae4b | 2666 | struct view *view; |
6b161b31 | 2667 | enum request request; |
1ba2ae4b | 2668 | size_t i; |
6b161b31 JF |
2669 | |
2670 | signal(SIGINT, quit); | |
2671 | ||
660e09ad JF |
2672 | if (load_options() == ERR) |
2673 | die("Failed to load user config."); | |
2674 | ||
2675 | /* Load the repo config file so options can be overwritten from | |
afdc35b3 | 2676 | * the command line. */ |
14c778a6 | 2677 | if (load_repo_config() == ERR) |
afdc35b3 JF |
2678 | die("Failed to load repo config."); |
2679 | ||
8855ada4 | 2680 | if (!parse_options(argc, argv)) |
6b161b31 JF |
2681 | return 0; |
2682 | ||
c34d9c9f JF |
2683 | if (load_refs() == ERR) |
2684 | die("Failed to load refs."); | |
2685 | ||
7bb55251 JF |
2686 | /* Require a git repository unless when running in pager mode. */ |
2687 | if (refs_size == 0 && opt_request != REQ_VIEW_PAGER) | |
2688 | die("Not a git repository"); | |
2689 | ||
1ba2ae4b JF |
2690 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
2691 | view->cmd_env = getenv(view->cmd_env); | |
2692 | ||
6b161b31 JF |
2693 | request = opt_request; |
2694 | ||
2695 | init_display(); | |
b801d8b2 JF |
2696 | |
2697 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 2698 | int key; |
b801d8b2 JF |
2699 | int i; |
2700 | ||
6b161b31 JF |
2701 | foreach_view (view, i) |
2702 | update_view(view); | |
b801d8b2 JF |
2703 | |
2704 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 2705 | key = wgetch(status_win); |
93a97d86 | 2706 | request = get_keybinding(key); |
03a93dbb | 2707 | |
6706b2ba | 2708 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
2709 | * status_win restricted. */ |
2710 | switch (request) { | |
2711 | case REQ_PROMPT: | |
6908bdbd JF |
2712 | report(":"); |
2713 | /* Temporarily switch to line-oriented and echoed | |
2714 | * input. */ | |
03a93dbb JF |
2715 | nocbreak(); |
2716 | echo(); | |
49f2b43f JF |
2717 | |
2718 | if (wgetnstr(status_win, opt_cmd + 4, sizeof(opt_cmd) - 4) == OK) { | |
2719 | memcpy(opt_cmd, "git ", 4); | |
2720 | opt_request = REQ_VIEW_PAGER; | |
2721 | } else { | |
6a7bb912 JF |
2722 | report("Prompt interrupted by loading view, " |
2723 | "press 'z' to stop loading views"); | |
2724 | request = REQ_SCREEN_UPDATE; | |
49f2b43f JF |
2725 | } |
2726 | ||
6908bdbd JF |
2727 | noecho(); |
2728 | cbreak(); | |
fac7db6c JF |
2729 | break; |
2730 | ||
2731 | case REQ_SCREEN_RESIZE: | |
2732 | { | |
2733 | int height, width; | |
2734 | ||
2735 | getmaxyx(stdscr, height, width); | |
2736 | ||
2737 | /* Resize the status view and let the view driver take | |
2738 | * care of resizing the displayed views. */ | |
2739 | wresize(status_win, 1, width); | |
2740 | mvwin(status_win, height - 1, 0); | |
2741 | wrefresh(status_win); | |
2742 | break; | |
2743 | } | |
2744 | default: | |
2745 | break; | |
03a93dbb | 2746 | } |
b801d8b2 JF |
2747 | } |
2748 | ||
2749 | quit(0); | |
2750 | ||
2751 | return 0; | |
2752 | } |