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 | |
73785605 JF |
14 | #ifndef VERSION |
15 | #define VERSION "unknown-version" | |
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 | 32 | |
4af34daa JF |
33 | #include <sys/types.h> |
34 | #include <regex.h> | |
35 | ||
6b68fd24 JF |
36 | #include <locale.h> |
37 | #include <langinfo.h> | |
38 | #include <iconv.h> | |
39 | ||
b801d8b2 | 40 | #include <curses.h> |
b801d8b2 | 41 | |
e2da526d JF |
42 | #if __GNUC__ >= 3 |
43 | #define __NORETURN __attribute__((__noreturn__)) | |
44 | #else | |
45 | #define __NORETURN | |
46 | #endif | |
47 | ||
48 | static void __NORETURN die(const char *err, ...); | |
b801d8b2 | 49 | static void report(const char *msg, ...); |
5699e0cf | 50 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t)); |
1ba2ae4b | 51 | static void set_nonblocking_input(bool loading); |
10e290ee | 52 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
53 | |
54 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
55 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
56 | ||
57 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
58 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 59 | |
17482b11 | 60 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 61 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 62 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
63 | |
64 | /* Revision graph */ | |
65 | ||
66 | #define REVGRAPH_INIT 'I' | |
67 | #define REVGRAPH_MERGE 'M' | |
68 | #define REVGRAPH_BRANCH '+' | |
69 | #define REVGRAPH_COMMIT '*' | |
70 | #define REVGRAPH_LINE '|' | |
71 | ||
54efb62b | 72 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 73 | |
82e78006 JF |
74 | /* This color name can be used to refer to the default term colors. */ |
75 | #define COLOR_DEFAULT (-1) | |
78c70acd | 76 | |
6b68fd24 JF |
77 | #define ICONV_NONE ((iconv_t) -1) |
78 | ||
82e78006 | 79 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 80 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 81 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 82 | |
10e290ee JF |
83 | #define AUTHOR_COLS 20 |
84 | ||
a28bcc22 | 85 | /* The default interval between line numbers. */ |
4a2909a7 | 86 | #define NUMBER_INTERVAL 1 |
82e78006 | 87 | |
6706b2ba JF |
88 | #define TABSIZE 8 |
89 | ||
a28bcc22 JF |
90 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
91 | ||
8eb62770 | 92 | #define TIG_LS_REMOTE \ |
337d7377 | 93 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
94 | |
95 | #define TIG_DIFF_CMD \ | |
73fb51d5 | 96 | "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
97 | |
98 | #define TIG_LOG_CMD \ | |
8fee6614 | 99 | "git log --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
100 | |
101 | #define TIG_MAIN_CMD \ | |
8fee6614 | 102 | "git log --topo-order --pretty=raw %s 2>/dev/null" |
8eb62770 | 103 | |
e733ee54 JF |
104 | #define TIG_TREE_CMD \ |
105 | "git ls-tree %s %s" | |
106 | ||
107 | #define TIG_BLOB_CMD \ | |
108 | "git cat-file blob %s" | |
109 | ||
8eb62770 JF |
110 | /* XXX: Needs to be defined to the empty string. */ |
111 | #define TIG_HELP_CMD "" | |
112 | #define TIG_PAGER_CMD "" | |
173d76ea | 113 | #define TIG_STATUS_CMD "" |
8eb62770 | 114 | |
8855ada4 | 115 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
116 | #define KEY_TAB '\t' |
117 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
118 | #define KEY_ESC 27 |
119 | ||
6706b2ba | 120 | |
c34d9c9f | 121 | struct ref { |
468876c9 | 122 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 123 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 124 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 125 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 126 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
127 | }; |
128 | ||
ff26aa29 | 129 | static struct ref **get_refs(char *id); |
4c6fabc2 | 130 | |
660e09ad JF |
131 | struct int_map { |
132 | const char *name; | |
133 | int namelen; | |
134 | int value; | |
135 | }; | |
136 | ||
137 | static int | |
138 | set_from_int_map(struct int_map *map, size_t map_size, | |
139 | int *value, const char *name, int namelen) | |
140 | { | |
141 | ||
142 | int i; | |
143 | ||
144 | for (i = 0; i < map_size; i++) | |
145 | if (namelen == map[i].namelen && | |
146 | !strncasecmp(name, map[i].name, namelen)) { | |
147 | *value = map[i].value; | |
148 | return OK; | |
149 | } | |
150 | ||
151 | return ERR; | |
152 | } | |
153 | ||
6706b2ba | 154 | |
03a93dbb JF |
155 | /* |
156 | * String helpers | |
157 | */ | |
78c70acd | 158 | |
82e78006 | 159 | static inline void |
9a48919b | 160 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 161 | { |
9a48919b JF |
162 | if (srclen > dstlen - 1) |
163 | srclen = dstlen - 1; | |
03a93dbb | 164 | |
9a48919b JF |
165 | strncpy(dst, src, srclen); |
166 | dst[srclen] = 0; | |
82e78006 JF |
167 | } |
168 | ||
9a48919b JF |
169 | /* Shorthands for safely copying into a fixed buffer. */ |
170 | ||
82e78006 | 171 | #define string_copy(dst, src) \ |
751e27c9 | 172 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
173 | |
174 | #define string_ncopy(dst, src, srclen) \ | |
175 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 176 | |
2463b4ea JF |
177 | #define string_copy_rev(dst, src) \ |
178 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
179 | ||
91c5d983 JF |
180 | #define string_add(dst, from, src) \ |
181 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
182 | ||
4a63c884 JF |
183 | static char * |
184 | chomp_string(char *name) | |
185 | { | |
186 | int namelen; | |
187 | ||
188 | while (isspace(*name)) | |
189 | name++; | |
190 | ||
191 | namelen = strlen(name) - 1; | |
192 | while (namelen > 0 && isspace(name[namelen])) | |
193 | name[namelen--] = 0; | |
194 | ||
195 | return name; | |
196 | } | |
197 | ||
cc2d1364 | 198 | static bool |
d65ced0d | 199 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
200 | { |
201 | va_list args; | |
d65ced0d | 202 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
203 | |
204 | va_start(args, fmt); | |
205 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
206 | va_end(args); | |
207 | ||
208 | if (bufpos) | |
209 | *bufpos = pos; | |
210 | ||
211 | return pos >= bufsize ? FALSE : TRUE; | |
212 | } | |
213 | ||
214 | #define string_format(buf, fmt, args...) \ | |
215 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
216 | ||
217 | #define string_format_from(buf, from, fmt, args...) \ | |
218 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 219 | |
201f5a18 JF |
220 | static int |
221 | string_enum_compare(const char *str1, const char *str2, int len) | |
222 | { | |
223 | size_t i; | |
224 | ||
225 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
226 | ||
227 | /* Diff-Header == DIFF_HEADER */ | |
228 | for (i = 0; i < len; i++) { | |
229 | if (toupper(str1[i]) == toupper(str2[i])) | |
230 | continue; | |
231 | ||
232 | if (string_enum_sep(str1[i]) && | |
233 | string_enum_sep(str2[i])) | |
234 | continue; | |
235 | ||
236 | return str1[i] - str2[i]; | |
237 | } | |
238 | ||
239 | return 0; | |
240 | } | |
241 | ||
03a93dbb JF |
242 | /* Shell quoting |
243 | * | |
244 | * NOTE: The following is a slightly modified copy of the git project's shell | |
245 | * quoting routines found in the quote.c file. | |
246 | * | |
247 | * Help to copy the thing properly quoted for the shell safety. any single | |
248 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
249 | * and the whole thing is enclosed in a | |
250 | * | |
251 | * E.g. | |
252 | * original sq_quote result | |
253 | * name ==> name ==> 'name' | |
254 | * a b ==> a b ==> 'a b' | |
255 | * a'b ==> a'\''b ==> 'a'\''b' | |
256 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
257 | */ | |
258 | ||
259 | static size_t | |
17482b11 | 260 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
261 | { |
262 | char c; | |
263 | ||
17482b11 | 264 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
265 | |
266 | BUFPUT('\''); | |
267 | while ((c = *src++)) { | |
268 | if (c == '\'' || c == '!') { | |
269 | BUFPUT('\''); | |
270 | BUFPUT('\\'); | |
271 | BUFPUT(c); | |
272 | BUFPUT('\''); | |
273 | } else { | |
274 | BUFPUT(c); | |
275 | } | |
276 | } | |
277 | BUFPUT('\''); | |
278 | ||
f0f114ac JF |
279 | if (bufsize < SIZEOF_STR) |
280 | buf[bufsize] = 0; | |
281 | ||
03a93dbb JF |
282 | return bufsize; |
283 | } | |
284 | ||
82e78006 | 285 | |
24b5b3e0 JF |
286 | /* |
287 | * User requests | |
288 | */ | |
289 | ||
290 | #define REQ_INFO \ | |
291 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
292 | REQ_GROUP("View switching") \ | |
293 | REQ_(VIEW_MAIN, "Show main view"), \ | |
294 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
295 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
296 | REQ_(VIEW_TREE, "Show tree view"), \ |
297 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
298 | REQ_(VIEW_HELP, "Show help page"), \ |
299 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 300 | REQ_(VIEW_STATUS, "Show status view"), \ |
24b5b3e0 JF |
301 | \ |
302 | REQ_GROUP("View manipulation") \ | |
303 | REQ_(ENTER, "Enter current line and scroll"), \ | |
304 | REQ_(NEXT, "Move to next"), \ | |
305 | REQ_(PREVIOUS, "Move to previous"), \ | |
306 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
307 | REQ_(VIEW_CLOSE, "Close the current view"), \ | |
308 | REQ_(QUIT, "Close all views and quit"), \ | |
309 | \ | |
310 | REQ_GROUP("Cursor navigation") \ | |
311 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
312 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
313 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
314 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
315 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
316 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
317 | \ | |
318 | REQ_GROUP("Scrolling") \ | |
319 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
320 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
321 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
322 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
323 | \ | |
4af34daa JF |
324 | REQ_GROUP("Searching") \ |
325 | REQ_(SEARCH, "Search the view"), \ | |
326 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
327 | REQ_(FIND_NEXT, "Find next search match"), \ | |
328 | REQ_(FIND_PREV, "Find previous search match"), \ | |
329 | \ | |
24b5b3e0 | 330 | REQ_GROUP("Misc") \ |
1d754561 | 331 | REQ_(NONE, "Do nothing"), \ |
24b5b3e0 | 332 | REQ_(PROMPT, "Bring up the prompt"), \ |
24b5b3e0 JF |
333 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
334 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
335 | REQ_(SHOW_VERSION, "Show version information"), \ | |
336 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 337 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
04e2b7b2 | 338 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization") |
24b5b3e0 JF |
339 | |
340 | ||
341 | /* User action requests. */ | |
342 | enum request { | |
343 | #define REQ_GROUP(help) | |
344 | #define REQ_(req, help) REQ_##req | |
345 | ||
346 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
347 | REQ_OFFSET = KEY_MAX + 1, | |
04e2b7b2 JF |
348 | REQ_INFO, |
349 | REQ_UNKNOWN, | |
24b5b3e0 JF |
350 | |
351 | #undef REQ_GROUP | |
352 | #undef REQ_ | |
353 | }; | |
354 | ||
355 | struct request_info { | |
356 | enum request request; | |
04e2b7b2 JF |
357 | char *name; |
358 | int namelen; | |
24b5b3e0 JF |
359 | char *help; |
360 | }; | |
361 | ||
362 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
363 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
364 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
365 | REQ_INFO |
366 | #undef REQ_GROUP | |
367 | #undef REQ_ | |
368 | }; | |
369 | ||
04e2b7b2 JF |
370 | static enum request |
371 | get_request(const char *name) | |
372 | { | |
373 | int namelen = strlen(name); | |
374 | int i; | |
375 | ||
376 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
377 | if (req_info[i].namelen == namelen && | |
378 | !string_enum_compare(req_info[i].name, name, namelen)) | |
379 | return req_info[i].request; | |
380 | ||
381 | return REQ_UNKNOWN; | |
382 | } | |
383 | ||
384 | ||
8eb62770 JF |
385 | /* |
386 | * Options | |
387 | */ | |
b76c2afc | 388 | |
4b8c01a3 | 389 | static const char usage[] = |
73785605 | 390 | "tig " VERSION " (" __DATE__ ")\n" |
4b8c01a3 JF |
391 | "\n" |
392 | "Usage: tig [options]\n" | |
393 | " or: tig [options] [--] [git log options]\n" | |
394 | " or: tig [options] log [git log options]\n" | |
395 | " or: tig [options] diff [git diff options]\n" | |
396 | " or: tig [options] show [git show options]\n" | |
397 | " or: tig [options] < [git command output]\n" | |
398 | "\n" | |
399 | "Options:\n" | |
400 | " -l Start up in log view\n" | |
401 | " -d Start up in diff view\n" | |
173d76ea | 402 | " -S Start up in status view\n" |
4b8c01a3 | 403 | " -n[I], --line-number[=I] Show line numbers with given interval\n" |
b3c965c9 | 404 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
405 | " -- Mark end of tig options\n" |
406 | " -v, --version Show version and exit\n" | |
407 | " -h, --help Show help message and exit\n"; | |
408 | ||
6706b2ba | 409 | /* Option and state variables. */ |
92d30f5c | 410 | static bool opt_line_number = FALSE; |
11ce319e | 411 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
412 | static int opt_num_interval = NUMBER_INTERVAL; |
413 | static int opt_tab_size = TABSIZE; | |
414 | static enum request opt_request = REQ_VIEW_MAIN; | |
415 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 416 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
417 | static FILE *opt_pipe = NULL; |
418 | static char opt_encoding[20] = "UTF-8"; | |
419 | static bool opt_utf8 = TRUE; | |
420 | static char opt_codeset[20] = "UTF-8"; | |
421 | static iconv_t opt_iconv = ICONV_NONE; | |
422 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 423 | static char opt_cdup[SIZEOF_STR] = ""; |
b76c2afc | 424 | |
6dbf6c19 JF |
425 | enum option_type { |
426 | OPT_NONE, | |
427 | OPT_INT, | |
428 | }; | |
429 | ||
430 | static bool | |
431 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
432 | { | |
433 | va_list args; | |
434 | char *value = ""; | |
435 | int *number; | |
436 | ||
437 | if (opt[0] != '-') | |
438 | return FALSE; | |
439 | ||
440 | if (opt[1] == '-') { | |
441 | int namelen = strlen(name); | |
442 | ||
443 | opt += 2; | |
444 | ||
445 | if (strncmp(opt, name, namelen)) | |
446 | return FALSE; | |
447 | ||
448 | if (opt[namelen] == '=') | |
449 | value = opt + namelen + 1; | |
450 | ||
451 | } else { | |
452 | if (!short_name || opt[1] != short_name) | |
453 | return FALSE; | |
454 | value = opt + 2; | |
455 | } | |
456 | ||
457 | va_start(args, type); | |
458 | if (type == OPT_INT) { | |
459 | number = va_arg(args, int *); | |
460 | if (isdigit(*value)) | |
461 | *number = atoi(value); | |
462 | } | |
463 | va_end(args); | |
464 | ||
465 | return TRUE; | |
466 | } | |
467 | ||
b76c2afc | 468 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 469 | static bool |
b76c2afc JF |
470 | parse_options(int argc, char *argv[]) |
471 | { | |
472 | int i; | |
473 | ||
474 | for (i = 1; i < argc; i++) { | |
475 | char *opt = argv[i]; | |
476 | ||
3621d94e JF |
477 | if (!strcmp(opt, "log") || |
478 | !strcmp(opt, "diff") || | |
479 | !strcmp(opt, "show")) { | |
480 | opt_request = opt[0] == 'l' | |
481 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
482 | break; | |
483 | } | |
484 | ||
8d27b36e JF |
485 | if (opt[0] && opt[0] != '-') |
486 | break; | |
487 | ||
6b161b31 | 488 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 489 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
490 | continue; |
491 | } | |
b76c2afc | 492 | |
6b161b31 | 493 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 494 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
495 | continue; |
496 | } | |
b76c2afc | 497 | |
173d76ea JF |
498 | if (!strcmp(opt, "-S")) { |
499 | opt_request = REQ_VIEW_STATUS; | |
500 | break; | |
501 | } | |
502 | ||
6dbf6c19 | 503 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
504 | opt_line_number = TRUE; |
505 | continue; | |
506 | } | |
b76c2afc | 507 | |
6dbf6c19 JF |
508 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
509 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
510 | continue; |
511 | } | |
512 | ||
6dbf6c19 | 513 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
b76c2afc | 514 | printf("tig version %s\n", VERSION); |
8855ada4 | 515 | return FALSE; |
6b161b31 | 516 | } |
b76c2afc | 517 | |
6dbf6c19 | 518 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
519 | printf(usage); |
520 | return FALSE; | |
521 | } | |
522 | ||
6908bdbd JF |
523 | if (!strcmp(opt, "--")) { |
524 | i++; | |
525 | break; | |
526 | } | |
03a93dbb | 527 | |
bf174187 | 528 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
529 | } |
530 | ||
6908bdbd | 531 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
532 | opt_request = REQ_VIEW_PAGER; |
533 | opt_pipe = stdin; | |
534 | ||
535 | } else if (i < argc) { | |
536 | size_t buf_size; | |
537 | ||
6908bdbd | 538 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
539 | /* XXX: This is vulnerable to the user overriding |
540 | * options required for the main view parser. */ | |
832a47c4 | 541 | string_copy(opt_cmd, "git log --pretty=raw"); |
6908bdbd JF |
542 | else |
543 | string_copy(opt_cmd, "git"); | |
544 | buf_size = strlen(opt_cmd); | |
545 | ||
546 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
547 | opt_cmd[buf_size++] = ' '; | |
548 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
549 | } | |
550 | ||
551 | if (buf_size >= sizeof(opt_cmd)) | |
552 | die("command too long"); | |
553 | ||
554 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
555 | } |
556 | ||
afdc35b3 JF |
557 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
558 | opt_utf8 = FALSE; | |
559 | ||
8855ada4 | 560 | return TRUE; |
b76c2afc JF |
561 | } |
562 | ||
563 | ||
54efb62b JF |
564 | /* |
565 | * Line-oriented content detection. | |
566 | */ | |
567 | ||
2e8488b4 | 568 | #define LINE_INFO \ |
660e09ad | 569 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
570 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
571 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
572 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
573 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
574 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
575 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
576 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
577 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
578 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
579 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
580 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
581 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
582 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 583 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 584 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
585 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
586 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
587 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
588 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 589 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
590 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
591 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
592 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 593 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 594 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 595 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 596 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
597 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
598 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
599 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
600 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
601 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
602 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
603 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
604 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
605 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
606 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 607 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 608 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
e733ee54 | 609 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea JF |
610 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
611 | LINE(STAT_SECTION, "", COLOR_DEFAULT, COLOR_BLUE, A_BOLD), \ | |
612 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
613 | LINE(STAT_STAGED, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ | |
614 | LINE(STAT_UNSTAGED,"", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
615 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0) | |
660e09ad | 616 | |
78c70acd | 617 | enum line_type { |
2e8488b4 JF |
618 | #define LINE(type, line, fg, bg, attr) \ |
619 | LINE_##type | |
620 | LINE_INFO | |
621 | #undef LINE | |
78c70acd JF |
622 | }; |
623 | ||
624 | struct line_info { | |
660e09ad JF |
625 | const char *name; /* Option name. */ |
626 | int namelen; /* Size of option name. */ | |
4685845e | 627 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
628 | int linelen; /* Size of string to match. */ |
629 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
630 | }; |
631 | ||
2e8488b4 | 632 | static struct line_info line_info[] = { |
78c70acd | 633 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 634 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
635 | LINE_INFO |
636 | #undef LINE | |
78c70acd JF |
637 | }; |
638 | ||
2e8488b4 JF |
639 | static enum line_type |
640 | get_line_type(char *line) | |
78c70acd JF |
641 | { |
642 | int linelen = strlen(line); | |
a28bcc22 | 643 | enum line_type type; |
78c70acd | 644 | |
a28bcc22 | 645 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 646 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
647 | if (linelen >= line_info[type].linelen && |
648 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
649 | return type; | |
78c70acd | 650 | |
2e8488b4 | 651 | return LINE_DEFAULT; |
78c70acd JF |
652 | } |
653 | ||
2e8488b4 | 654 | static inline int |
78c70acd JF |
655 | get_line_attr(enum line_type type) |
656 | { | |
2e8488b4 JF |
657 | assert(type < ARRAY_SIZE(line_info)); |
658 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
659 | } |
660 | ||
660e09ad JF |
661 | static struct line_info * |
662 | get_line_info(char *name, int namelen) | |
663 | { | |
664 | enum line_type type; | |
660e09ad JF |
665 | |
666 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
667 | if (namelen == line_info[type].namelen && | |
201f5a18 | 668 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
669 | return &line_info[type]; |
670 | ||
671 | return NULL; | |
672 | } | |
673 | ||
78c70acd JF |
674 | static void |
675 | init_colors(void) | |
676 | { | |
82e78006 JF |
677 | int default_bg = COLOR_BLACK; |
678 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 679 | enum line_type type; |
78c70acd JF |
680 | |
681 | start_color(); | |
682 | ||
683 | if (use_default_colors() != ERR) { | |
82e78006 JF |
684 | default_bg = -1; |
685 | default_fg = -1; | |
78c70acd JF |
686 | } |
687 | ||
a28bcc22 JF |
688 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
689 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
690 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
691 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 692 | |
a28bcc22 | 693 | init_pair(type, fg, bg); |
78c70acd JF |
694 | } |
695 | } | |
696 | ||
fe7233c3 JF |
697 | struct line { |
698 | enum line_type type; | |
3c571d67 JF |
699 | |
700 | /* State flags */ | |
701 | unsigned int selected:1; | |
702 | ||
fe7233c3 JF |
703 | void *data; /* User data */ |
704 | }; | |
705 | ||
78c70acd | 706 | |
1899507c | 707 | /* |
37157fa0 JF |
708 | * Keys |
709 | */ | |
710 | ||
93a97d86 | 711 | struct keybinding { |
37157fa0 | 712 | int alias; |
93a97d86 | 713 | enum request request; |
04e2b7b2 | 714 | struct keybinding *next; |
37157fa0 JF |
715 | }; |
716 | ||
93a97d86 | 717 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
718 | /* View switching */ |
719 | { 'm', REQ_VIEW_MAIN }, | |
720 | { 'd', REQ_VIEW_DIFF }, | |
721 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 722 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 723 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
724 | { 'p', REQ_VIEW_PAGER }, |
725 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 726 | { 'S', REQ_VIEW_STATUS }, |
37157fa0 JF |
727 | |
728 | /* View manipulation */ | |
729 | { 'q', REQ_VIEW_CLOSE }, | |
730 | { KEY_TAB, REQ_VIEW_NEXT }, | |
731 | { KEY_RETURN, REQ_ENTER }, | |
732 | { KEY_UP, REQ_PREVIOUS }, | |
733 | { KEY_DOWN, REQ_NEXT }, | |
734 | ||
735 | /* Cursor navigation */ | |
736 | { 'k', REQ_MOVE_UP }, | |
737 | { 'j', REQ_MOVE_DOWN }, | |
738 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
739 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
740 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
741 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
742 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
743 | { 'b', REQ_MOVE_PAGE_UP }, | |
744 | { '-', REQ_MOVE_PAGE_UP }, | |
745 | ||
746 | /* Scrolling */ | |
747 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
748 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
749 | { 'w', REQ_SCROLL_PAGE_UP }, | |
750 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
751 | ||
4af34daa JF |
752 | /* Searching */ |
753 | { '/', REQ_SEARCH }, | |
754 | { '?', REQ_SEARCH_BACK }, | |
755 | { 'n', REQ_FIND_NEXT }, | |
756 | { 'N', REQ_FIND_PREV }, | |
757 | ||
37157fa0 JF |
758 | /* Misc */ |
759 | { 'Q', REQ_QUIT }, | |
760 | { 'z', REQ_STOP_LOADING }, | |
761 | { 'v', REQ_SHOW_VERSION }, | |
762 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 763 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 764 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 JF |
765 | { ':', REQ_PROMPT }, |
766 | ||
1d754561 | 767 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
768 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
769 | }; | |
770 | ||
04e2b7b2 JF |
771 | #define KEYMAP_INFO \ |
772 | KEYMAP_(GENERIC), \ | |
773 | KEYMAP_(MAIN), \ | |
774 | KEYMAP_(DIFF), \ | |
775 | KEYMAP_(LOG), \ | |
e733ee54 JF |
776 | KEYMAP_(TREE), \ |
777 | KEYMAP_(BLOB), \ | |
04e2b7b2 | 778 | KEYMAP_(PAGER), \ |
173d76ea JF |
779 | KEYMAP_(HELP), \ |
780 | KEYMAP_(STATUS) | |
04e2b7b2 JF |
781 | |
782 | enum keymap { | |
783 | #define KEYMAP_(name) KEYMAP_##name | |
784 | KEYMAP_INFO | |
785 | #undef KEYMAP_ | |
786 | }; | |
787 | ||
788 | static struct int_map keymap_table[] = { | |
789 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
790 | KEYMAP_INFO | |
791 | #undef KEYMAP_ | |
792 | }; | |
793 | ||
794 | #define set_keymap(map, name) \ | |
795 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
796 | ||
797 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
798 | ||
799 | static void | |
800 | add_keybinding(enum keymap keymap, enum request request, int key) | |
801 | { | |
802 | struct keybinding *keybinding; | |
803 | ||
804 | keybinding = calloc(1, sizeof(*keybinding)); | |
805 | if (!keybinding) | |
806 | die("Failed to allocate keybinding"); | |
807 | ||
808 | keybinding->alias = key; | |
809 | keybinding->request = request; | |
810 | keybinding->next = keybindings[keymap]; | |
811 | keybindings[keymap] = keybinding; | |
812 | } | |
813 | ||
814 | /* Looks for a key binding first in the given map, then in the generic map, and | |
815 | * lastly in the default keybindings. */ | |
37157fa0 | 816 | static enum request |
04e2b7b2 | 817 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 818 | { |
04e2b7b2 | 819 | struct keybinding *kbd; |
37157fa0 JF |
820 | int i; |
821 | ||
04e2b7b2 JF |
822 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
823 | if (kbd->alias == key) | |
824 | return kbd->request; | |
825 | ||
826 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
827 | if (kbd->alias == key) | |
828 | return kbd->request; | |
829 | ||
93a97d86 JF |
830 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
831 | if (default_keybindings[i].alias == key) | |
832 | return default_keybindings[i].request; | |
37157fa0 JF |
833 | |
834 | return (enum request) key; | |
835 | } | |
836 | ||
93a97d86 | 837 | |
37157fa0 JF |
838 | struct key { |
839 | char *name; | |
840 | int value; | |
841 | }; | |
842 | ||
843 | static struct key key_table[] = { | |
844 | { "Enter", KEY_RETURN }, | |
845 | { "Space", ' ' }, | |
846 | { "Backspace", KEY_BACKSPACE }, | |
847 | { "Tab", KEY_TAB }, | |
848 | { "Escape", KEY_ESC }, | |
849 | { "Left", KEY_LEFT }, | |
850 | { "Right", KEY_RIGHT }, | |
851 | { "Up", KEY_UP }, | |
852 | { "Down", KEY_DOWN }, | |
853 | { "Insert", KEY_IC }, | |
854 | { "Delete", KEY_DC }, | |
74f83ee6 | 855 | { "Hash", '#' }, |
37157fa0 JF |
856 | { "Home", KEY_HOME }, |
857 | { "End", KEY_END }, | |
858 | { "PageUp", KEY_PPAGE }, | |
859 | { "PageDown", KEY_NPAGE }, | |
860 | { "F1", KEY_F(1) }, | |
861 | { "F2", KEY_F(2) }, | |
862 | { "F3", KEY_F(3) }, | |
863 | { "F4", KEY_F(4) }, | |
864 | { "F5", KEY_F(5) }, | |
865 | { "F6", KEY_F(6) }, | |
866 | { "F7", KEY_F(7) }, | |
867 | { "F8", KEY_F(8) }, | |
868 | { "F9", KEY_F(9) }, | |
869 | { "F10", KEY_F(10) }, | |
870 | { "F11", KEY_F(11) }, | |
871 | { "F12", KEY_F(12) }, | |
872 | }; | |
873 | ||
04e2b7b2 JF |
874 | static int |
875 | get_key_value(const char *name) | |
876 | { | |
877 | int i; | |
878 | ||
879 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
880 | if (!strcasecmp(key_table[i].name, name)) | |
881 | return key_table[i].value; | |
882 | ||
883 | if (strlen(name) == 1 && isprint(*name)) | |
884 | return (int) *name; | |
885 | ||
886 | return ERR; | |
887 | } | |
888 | ||
37157fa0 JF |
889 | static char * |
890 | get_key(enum request request) | |
891 | { | |
892 | static char buf[BUFSIZ]; | |
893 | static char key_char[] = "'X'"; | |
d65ced0d | 894 | size_t pos = 0; |
520094b4 | 895 | char *sep = ""; |
37157fa0 JF |
896 | int i; |
897 | ||
898 | buf[pos] = 0; | |
899 | ||
93a97d86 JF |
900 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
901 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
902 | char *seq = NULL; |
903 | int key; | |
904 | ||
93a97d86 | 905 | if (keybinding->request != request) |
37157fa0 JF |
906 | continue; |
907 | ||
908 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 909 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
910 | seq = key_table[key].name; |
911 | ||
912 | if (seq == NULL && | |
93a97d86 JF |
913 | keybinding->alias < 127 && |
914 | isprint(keybinding->alias)) { | |
915 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
916 | seq = key_char; |
917 | } | |
918 | ||
919 | if (!seq) | |
920 | seq = "'?'"; | |
921 | ||
922 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
923 | return "Too many keybindings!"; | |
924 | sep = ", "; | |
925 | } | |
926 | ||
927 | return buf; | |
928 | } | |
929 | ||
930 | ||
931 | /* | |
1899507c JF |
932 | * User config file handling. |
933 | */ | |
934 | ||
5dc795f2 JF |
935 | static struct int_map color_map[] = { |
936 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
937 | COLOR_MAP(DEFAULT), | |
938 | COLOR_MAP(BLACK), | |
939 | COLOR_MAP(BLUE), | |
940 | COLOR_MAP(CYAN), | |
941 | COLOR_MAP(GREEN), | |
942 | COLOR_MAP(MAGENTA), | |
943 | COLOR_MAP(RED), | |
944 | COLOR_MAP(WHITE), | |
945 | COLOR_MAP(YELLOW), | |
946 | }; | |
947 | ||
9256ab05 JF |
948 | #define set_color(color, name) \ |
949 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 950 | |
5dc795f2 JF |
951 | static struct int_map attr_map[] = { |
952 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
953 | ATTR_MAP(NORMAL), | |
954 | ATTR_MAP(BLINK), | |
955 | ATTR_MAP(BOLD), | |
956 | ATTR_MAP(DIM), | |
957 | ATTR_MAP(REVERSE), | |
958 | ATTR_MAP(STANDOUT), | |
959 | ATTR_MAP(UNDERLINE), | |
960 | }; | |
961 | ||
9256ab05 JF |
962 | #define set_attribute(attr, name) \ |
963 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 964 | |
3c3801c2 JF |
965 | static int config_lineno; |
966 | static bool config_errors; | |
967 | static char *config_msg; | |
968 | ||
5bfd96c7 | 969 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 970 | static int |
5bfd96c7 | 971 | option_color_command(int argc, char *argv[]) |
660e09ad | 972 | { |
bca8fcaa JF |
973 | struct line_info *info; |
974 | ||
9256ab05 JF |
975 | if (argc != 3 && argc != 4) { |
976 | config_msg = "Wrong number of arguments given to color command"; | |
977 | return ERR; | |
978 | } | |
979 | ||
980 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
981 | if (!info) { |
982 | config_msg = "Unknown color name"; | |
983 | return ERR; | |
984 | } | |
660e09ad | 985 | |
a3653368 JF |
986 | if (set_color(&info->fg, argv[1]) == ERR || |
987 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
988 | config_msg = "Unknown color"; |
989 | return ERR; | |
990 | } | |
660e09ad | 991 | |
9256ab05 | 992 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
993 | config_msg = "Unknown attribute"; |
994 | return ERR; | |
660e09ad JF |
995 | } |
996 | ||
bca8fcaa JF |
997 | return OK; |
998 | } | |
999 | ||
5bfd96c7 JF |
1000 | /* Wants: name = value */ |
1001 | static int | |
1002 | option_set_command(int argc, char *argv[]) | |
1003 | { | |
1004 | if (argc != 3) { | |
1005 | config_msg = "Wrong number of arguments given to set command"; | |
1006 | return ERR; | |
1007 | } | |
1008 | ||
1009 | if (strcmp(argv[1], "=")) { | |
1010 | config_msg = "No value assigned"; | |
1011 | return ERR; | |
1012 | } | |
1013 | ||
1014 | if (!strcmp(argv[0], "show-rev-graph")) { | |
1015 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
1016 | !strcmp(argv[2], "true") || | |
1017 | !strcmp(argv[2], "yes")); | |
1018 | return OK; | |
1019 | } | |
1020 | ||
1021 | if (!strcmp(argv[0], "line-number-interval")) { | |
1022 | opt_num_interval = atoi(argv[2]); | |
1023 | return OK; | |
1024 | } | |
1025 | ||
1026 | if (!strcmp(argv[0], "tab-size")) { | |
1027 | opt_tab_size = atoi(argv[2]); | |
1028 | return OK; | |
1029 | } | |
1030 | ||
cb7267ee | 1031 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1032 | char *arg = argv[2]; |
1033 | int delimiter = *arg; | |
1034 | int i; | |
1035 | ||
1036 | switch (delimiter) { | |
1037 | case '"': | |
1038 | case '\'': | |
1039 | for (arg++, i = 0; arg[i]; i++) | |
1040 | if (arg[i] == delimiter) { | |
1041 | arg[i] = 0; | |
1042 | break; | |
1043 | } | |
1044 | default: | |
739e81de | 1045 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1046 | return OK; |
1047 | } | |
5bfd96c7 JF |
1048 | } |
1049 | ||
a3653368 | 1050 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1051 | return ERR; |
1052 | } | |
1053 | ||
04e2b7b2 JF |
1054 | /* Wants: mode request key */ |
1055 | static int | |
1056 | option_bind_command(int argc, char *argv[]) | |
1057 | { | |
1058 | enum request request; | |
1059 | int keymap; | |
1060 | int key; | |
1061 | ||
1062 | if (argc != 3) { | |
1063 | config_msg = "Wrong number of arguments given to bind command"; | |
1064 | return ERR; | |
1065 | } | |
1066 | ||
1067 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1068 | config_msg = "Unknown key map"; | |
1069 | return ERR; | |
1070 | } | |
1071 | ||
1072 | key = get_key_value(argv[1]); | |
1073 | if (key == ERR) { | |
1074 | config_msg = "Unknown key"; | |
1075 | return ERR; | |
1076 | } | |
1077 | ||
1078 | request = get_request(argv[2]); | |
1079 | if (request == REQ_UNKNOWN) { | |
1080 | config_msg = "Unknown request name"; | |
1081 | return ERR; | |
1082 | } | |
1083 | ||
1084 | add_keybinding(keymap, request, key); | |
1085 | ||
1086 | return OK; | |
1087 | } | |
1088 | ||
bca8fcaa | 1089 | static int |
9256ab05 | 1090 | set_option(char *opt, char *value) |
bca8fcaa | 1091 | { |
9256ab05 JF |
1092 | char *argv[16]; |
1093 | int valuelen; | |
1094 | int argc = 0; | |
1095 | ||
1096 | /* Tokenize */ | |
1097 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1098 | argv[argc++] = value; | |
1099 | ||
1100 | value += valuelen; | |
1101 | if (!*value) | |
1102 | break; | |
1103 | ||
1104 | *value++ = 0; | |
1105 | while (isspace(*value)) | |
1106 | value++; | |
1107 | } | |
1108 | ||
1109 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1110 | return option_color_command(argc, argv); |
1111 | ||
1112 | if (!strcmp(opt, "set")) | |
1113 | return option_set_command(argc, argv); | |
bca8fcaa | 1114 | |
04e2b7b2 JF |
1115 | if (!strcmp(opt, "bind")) |
1116 | return option_bind_command(argc, argv); | |
1117 | ||
a3653368 | 1118 | config_msg = "Unknown option command"; |
660e09ad JF |
1119 | return ERR; |
1120 | } | |
1121 | ||
1122 | static int | |
5699e0cf | 1123 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1124 | { |
a3653368 JF |
1125 | int status = OK; |
1126 | ||
3c3801c2 JF |
1127 | config_lineno++; |
1128 | config_msg = "Internal error"; | |
1129 | ||
a3653368 JF |
1130 | /* Check for comment markers, since read_properties() will |
1131 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1132 | optlen = strcspn(opt, "#"); |
a3653368 | 1133 | if (optlen == 0) |
3c3801c2 JF |
1134 | return OK; |
1135 | ||
a3653368 JF |
1136 | if (opt[optlen] != 0) { |
1137 | config_msg = "No option value"; | |
1138 | status = ERR; | |
1139 | ||
1140 | } else { | |
1141 | /* Look for comment endings in the value. */ | |
5699e0cf | 1142 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1143 | |
1144 | if (len < valuelen) { | |
1145 | valuelen = len; | |
1146 | value[valuelen] = 0; | |
1147 | } | |
1148 | ||
1149 | status = set_option(opt, value); | |
3c3801c2 JF |
1150 | } |
1151 | ||
a3653368 JF |
1152 | if (status == ERR) { |
1153 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
3c3801c2 JF |
1154 | config_lineno, optlen, opt, config_msg); |
1155 | config_errors = TRUE; | |
1156 | } | |
1157 | ||
1158 | /* Always keep going if errors are encountered. */ | |
1159 | return OK; | |
1160 | } | |
1161 | ||
1162 | static int | |
660e09ad JF |
1163 | load_options(void) |
1164 | { | |
1165 | char *home = getenv("HOME"); | |
17482b11 | 1166 | char buf[SIZEOF_STR]; |
660e09ad JF |
1167 | FILE *file; |
1168 | ||
3c3801c2 JF |
1169 | config_lineno = 0; |
1170 | config_errors = FALSE; | |
1171 | ||
cc2d1364 | 1172 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1173 | return ERR; |
1174 | ||
1175 | /* It's ok that the file doesn't exist. */ | |
1176 | file = fopen(buf, "r"); | |
1177 | if (!file) | |
1178 | return OK; | |
1179 | ||
3c3801c2 JF |
1180 | if (read_properties(file, " \t", read_option) == ERR || |
1181 | config_errors == TRUE) | |
1182 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1183 | ||
1184 | return OK; | |
660e09ad JF |
1185 | } |
1186 | ||
1187 | ||
d839253b | 1188 | /* |
468876c9 | 1189 | * The viewer |
d839253b | 1190 | */ |
c2124ccd JF |
1191 | |
1192 | struct view; | |
fe7233c3 | 1193 | struct view_ops; |
c2124ccd JF |
1194 | |
1195 | /* The display array of active views and the index of the current view. */ | |
1196 | static struct view *display[2]; | |
1197 | static unsigned int current_view; | |
1198 | ||
ab4af23e JF |
1199 | /* Reading from the prompt? */ |
1200 | static bool input_mode = FALSE; | |
1201 | ||
33c4f9ea | 1202 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1203 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1204 | ||
9f41488f | 1205 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1206 | |
d839253b | 1207 | /* Current head and commit ID */ |
e733ee54 | 1208 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1209 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1210 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1211 | ||
b801d8b2 | 1212 | struct view { |
03a93dbb | 1213 | const char *name; /* View name */ |
4685845e TH |
1214 | const char *cmd_fmt; /* Default command line format */ |
1215 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1216 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1217 | |
fe7233c3 | 1218 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1219 | |
04e2b7b2 JF |
1220 | enum keymap keymap; /* What keymap does this view have */ |
1221 | ||
17482b11 | 1222 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1223 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1224 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1225 | |
8855ada4 JF |
1226 | int height, width; /* The width and height of the main window */ |
1227 | WINDOW *win; /* The main window */ | |
1228 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1229 | |
1230 | /* Navigation */ | |
1231 | unsigned long offset; /* Offset of the window top */ | |
1232 | unsigned long lineno; /* Current line number */ | |
1233 | ||
4af34daa JF |
1234 | /* Searching */ |
1235 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1236 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1237 | |
f6da0b66 JF |
1238 | /* If non-NULL, points to the view that opened this view. If this view |
1239 | * is closed tig will switch back to the parent view. */ | |
1240 | struct view *parent; | |
1241 | ||
b801d8b2 JF |
1242 | /* Buffering */ |
1243 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1244 | struct line *line; /* Line index */ |
e2c01617 | 1245 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1246 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1247 | |
1248 | /* Loading */ | |
1249 | FILE *pipe; | |
2e8488b4 | 1250 | time_t start_time; |
b801d8b2 JF |
1251 | }; |
1252 | ||
fe7233c3 JF |
1253 | struct view_ops { |
1254 | /* What type of content being displayed. Used in the title bar. */ | |
1255 | const char *type; | |
f098944b JF |
1256 | /* Open and reads in all view content. */ |
1257 | bool (*open)(struct view *view); | |
fe7233c3 | 1258 | /* Read one line; updates view->line. */ |
701e4f5d | 1259 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1260 | /* Draw one line; @lineno must be < view->height. */ |
1261 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
fe7233c3 JF |
1262 | /* Depending on view, change display based on current line. */ |
1263 | bool (*enter)(struct view *view, struct line *line); | |
4af34daa JF |
1264 | /* Search for regex in a line. */ |
1265 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1266 | /* Select line */ |
1267 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1268 | }; |
1269 | ||
6b161b31 JF |
1270 | static struct view_ops pager_ops; |
1271 | static struct view_ops main_ops; | |
e733ee54 JF |
1272 | static struct view_ops tree_ops; |
1273 | static struct view_ops blob_ops; | |
f098944b | 1274 | static struct view_ops help_ops; |
173d76ea | 1275 | static struct view_ops status_ops; |
a28bcc22 | 1276 | |
04e2b7b2 JF |
1277 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1278 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1279 | |
95d7ddcd | 1280 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1281 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1282 | |
c2124ccd | 1283 | |
b801d8b2 | 1284 | static struct view views[] = { |
173d76ea JF |
1285 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1286 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1287 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1288 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1289 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
1290 | VIEW_(HELP, "help", &help_ops, ""), | |
1291 | VIEW_(PAGER, "pager", &pager_ops, ""), | |
1292 | VIEW_(STATUS, "status", &status_ops, ""), | |
b801d8b2 JF |
1293 | }; |
1294 | ||
a28bcc22 JF |
1295 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1296 | ||
699ae55b JF |
1297 | #define foreach_view(view, i) \ |
1298 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1299 | ||
1300 | #define view_is_displayed(view) \ | |
1301 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1302 | |
fe7233c3 JF |
1303 | static bool |
1304 | draw_view_line(struct view *view, unsigned int lineno) | |
1305 | { | |
d720de4b | 1306 | struct line *line; |
5dcf8064 | 1307 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1308 | bool draw_ok; |
d720de4b | 1309 | |
699ae55b JF |
1310 | assert(view_is_displayed(view)); |
1311 | ||
fe7233c3 JF |
1312 | if (view->offset + lineno >= view->lines) |
1313 | return FALSE; | |
1314 | ||
d720de4b JF |
1315 | line = &view->line[view->offset + lineno]; |
1316 | ||
3c571d67 JF |
1317 | if (selected) { |
1318 | line->selected = TRUE; | |
d720de4b | 1319 | view->ops->select(view, line); |
3c571d67 JF |
1320 | } else if (line->selected) { |
1321 | line->selected = FALSE; | |
1322 | wmove(view->win, lineno, 0); | |
1323 | wclrtoeol(view->win); | |
1324 | } | |
d720de4b | 1325 | |
4887d44e JF |
1326 | scrollok(view->win, FALSE); |
1327 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1328 | scrollok(view->win, TRUE); | |
1329 | ||
1330 | return draw_ok; | |
fe7233c3 JF |
1331 | } |
1332 | ||
b801d8b2 | 1333 | static void |
82e78006 | 1334 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1335 | { |
82e78006 | 1336 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1337 | |
82e78006 | 1338 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1339 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1340 | break; |
b801d8b2 JF |
1341 | } |
1342 | ||
1343 | redrawwin(view->win); | |
ab4af23e JF |
1344 | if (input_mode) |
1345 | wnoutrefresh(view->win); | |
1346 | else | |
1347 | wrefresh(view->win); | |
b801d8b2 JF |
1348 | } |
1349 | ||
b76c2afc | 1350 | static void |
82e78006 JF |
1351 | redraw_view(struct view *view) |
1352 | { | |
1353 | wclear(view->win); | |
1354 | redraw_view_from(view, 0); | |
1355 | } | |
1356 | ||
c2124ccd | 1357 | |
6b161b31 | 1358 | static void |
81030ec8 JF |
1359 | update_view_title(struct view *view) |
1360 | { | |
3c112a88 | 1361 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1362 | char state[SIZEOF_STR]; |
1363 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1364 | |
3c112a88 | 1365 | assert(view_is_displayed(view)); |
81030ec8 | 1366 | |
c19f8017 | 1367 | if (view->lines || view->pipe) { |
6d9c07af | 1368 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1369 | unsigned int lines = view->lines |
6d9c07af | 1370 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1371 | : 0; |
1372 | ||
71d1c7db | 1373 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1374 | view->ops->type, |
1375 | view->lineno + 1, | |
1376 | view->lines, | |
1377 | lines); | |
81030ec8 | 1378 | |
5becf244 JF |
1379 | if (view->pipe) { |
1380 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1381 | |
5becf244 JF |
1382 | /* Three git seconds are a long time ... */ |
1383 | if (secs > 2) | |
71d1c7db | 1384 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1385 | } |
81030ec8 JF |
1386 | } |
1387 | ||
71d1c7db JF |
1388 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1389 | if (*view->ref && bufpos < view->width) { | |
1390 | size_t refsize = strlen(view->ref); | |
1391 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1392 | ||
1393 | if (minsize < view->width) | |
1394 | refsize = view->width - minsize + 7; | |
1395 | string_format_from(buf, &bufpos, " %.*s", refsize, view->ref); | |
1396 | } | |
f97f4012 | 1397 | |
71d1c7db JF |
1398 | if (statelen && bufpos < view->width) { |
1399 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1400 | } |
1401 | ||
3c112a88 JF |
1402 | if (view == display[current_view]) |
1403 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1404 | else | |
1405 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1406 | ||
3c112a88 | 1407 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1408 | wclrtoeol(view->title); |
976447f8 | 1409 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1410 | |
1411 | if (input_mode) | |
1412 | wnoutrefresh(view->title); | |
1413 | else | |
1414 | wrefresh(view->title); | |
81030ec8 JF |
1415 | } |
1416 | ||
1417 | static void | |
6b161b31 | 1418 | resize_display(void) |
b76c2afc | 1419 | { |
03a93dbb | 1420 | int offset, i; |
6b161b31 JF |
1421 | struct view *base = display[0]; |
1422 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1423 | |
6b161b31 | 1424 | /* Setup window dimensions */ |
b76c2afc | 1425 | |
03a93dbb | 1426 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1427 | |
6b161b31 | 1428 | /* Make room for the status window. */ |
03a93dbb | 1429 | base->height -= 1; |
6b161b31 JF |
1430 | |
1431 | if (view != base) { | |
03a93dbb JF |
1432 | /* Horizontal split. */ |
1433 | view->width = base->width; | |
6b161b31 JF |
1434 | view->height = SCALE_SPLIT_VIEW(base->height); |
1435 | base->height -= view->height; | |
1436 | ||
1437 | /* Make room for the title bar. */ | |
1438 | view->height -= 1; | |
1439 | } | |
1440 | ||
1441 | /* Make room for the title bar. */ | |
1442 | base->height -= 1; | |
1443 | ||
1444 | offset = 0; | |
1445 | ||
33c4f9ea | 1446 | foreach_displayed_view (view, i) { |
b76c2afc | 1447 | if (!view->win) { |
c19f8017 | 1448 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1449 | if (!view->win) |
1450 | die("Failed to create %s view", view->name); | |
1451 | ||
1452 | scrollok(view->win, TRUE); | |
1453 | ||
1454 | view->title = newwin(1, 0, offset + view->height, 0); | |
1455 | if (!view->title) | |
1456 | die("Failed to create title window"); | |
1457 | ||
1458 | } else { | |
c19f8017 | 1459 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1460 | mvwin(view->win, offset, 0); |
1461 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1462 | } |
a28bcc22 | 1463 | |
6b161b31 | 1464 | offset += view->height + 1; |
b76c2afc | 1465 | } |
6b161b31 | 1466 | } |
b76c2afc | 1467 | |
6b161b31 | 1468 | static void |
20bb5e18 JF |
1469 | redraw_display(void) |
1470 | { | |
1471 | struct view *view; | |
1472 | int i; | |
1473 | ||
33c4f9ea | 1474 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1475 | redraw_view(view); |
1476 | update_view_title(view); | |
1477 | } | |
1478 | } | |
1479 | ||
85af6284 | 1480 | static void |
2bee3bde | 1481 | update_display_cursor(struct view *view) |
85af6284 | 1482 | { |
85af6284 JF |
1483 | /* Move the cursor to the right-most column of the cursor line. |
1484 | * | |
1485 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1486 | * the cursor does not jump around. */ | |
1487 | if (view->lines) { | |
1488 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1489 | wrefresh(view->win); | |
1490 | } | |
1491 | } | |
20bb5e18 | 1492 | |
2e8488b4 JF |
1493 | /* |
1494 | * Navigation | |
1495 | */ | |
1496 | ||
4a2909a7 | 1497 | /* Scrolling backend */ |
b801d8b2 | 1498 | static void |
8c317212 | 1499 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1500 | { |
a0087dd5 JF |
1501 | bool redraw_current_line = FALSE; |
1502 | ||
fd85fef1 JF |
1503 | /* The rendering expects the new offset. */ |
1504 | view->offset += lines; | |
1505 | ||
1506 | assert(0 <= view->offset && view->offset < view->lines); | |
1507 | assert(lines); | |
b801d8b2 | 1508 | |
a0087dd5 JF |
1509 | /* Move current line into the view. */ |
1510 | if (view->lineno < view->offset) { | |
1511 | view->lineno = view->offset; | |
1512 | redraw_current_line = TRUE; | |
1513 | } else if (view->lineno >= view->offset + view->height) { | |
1514 | view->lineno = view->offset + view->height - 1; | |
1515 | redraw_current_line = TRUE; | |
1516 | } | |
1517 | ||
1518 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1519 | ||
82e78006 | 1520 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1521 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1522 | redraw_view(view); |
1523 | ||
1524 | } else { | |
22f66b0a | 1525 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1526 | int end = line + ABS(lines); |
fd85fef1 JF |
1527 | |
1528 | wscrl(view->win, lines); | |
1529 | ||
22f66b0a | 1530 | for (; line < end; line++) { |
fe7233c3 | 1531 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1532 | break; |
1533 | } | |
fd85fef1 | 1534 | |
a0087dd5 JF |
1535 | if (redraw_current_line) |
1536 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1537 | } |
1538 | ||
fd85fef1 JF |
1539 | redrawwin(view->win); |
1540 | wrefresh(view->win); | |
9d3f5834 | 1541 | report(""); |
fd85fef1 | 1542 | } |
78c70acd | 1543 | |
4a2909a7 | 1544 | /* Scroll frontend */ |
fd85fef1 | 1545 | static void |
6b161b31 | 1546 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1547 | { |
1548 | int lines = 1; | |
b801d8b2 | 1549 | |
8c317212 JF |
1550 | assert(view_is_displayed(view)); |
1551 | ||
b801d8b2 | 1552 | switch (request) { |
4a2909a7 | 1553 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1554 | lines = view->height; |
4a2909a7 | 1555 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1556 | if (view->offset + lines > view->lines) |
bde3653a | 1557 | lines = view->lines - view->offset; |
b801d8b2 | 1558 | |
fd85fef1 | 1559 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1560 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1561 | return; |
1562 | } | |
1563 | break; | |
1564 | ||
4a2909a7 | 1565 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1566 | lines = view->height; |
4a2909a7 | 1567 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1568 | if (lines > view->offset) |
1569 | lines = view->offset; | |
1570 | ||
1571 | if (lines == 0) { | |
eb98559e | 1572 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1573 | return; |
1574 | } | |
1575 | ||
fd85fef1 | 1576 | lines = -lines; |
b801d8b2 | 1577 | break; |
03a93dbb | 1578 | |
6b161b31 JF |
1579 | default: |
1580 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1581 | } |
1582 | ||
8c317212 | 1583 | do_scroll_view(view, lines); |
fd85fef1 | 1584 | } |
b801d8b2 | 1585 | |
4a2909a7 | 1586 | /* Cursor moving */ |
fd85fef1 | 1587 | static void |
8522ecc7 | 1588 | move_view(struct view *view, enum request request) |
fd85fef1 | 1589 | { |
dfaa6c81 | 1590 | int scroll_steps = 0; |
fd85fef1 | 1591 | int steps; |
b801d8b2 | 1592 | |
fd85fef1 | 1593 | switch (request) { |
4a2909a7 | 1594 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1595 | steps = -view->lineno; |
1596 | break; | |
1597 | ||
4a2909a7 | 1598 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1599 | steps = view->lines - view->lineno - 1; |
1600 | break; | |
1601 | ||
4a2909a7 | 1602 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1603 | steps = view->height > view->lineno |
1604 | ? -view->lineno : -view->height; | |
1605 | break; | |
1606 | ||
4a2909a7 | 1607 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1608 | steps = view->lineno + view->height >= view->lines |
1609 | ? view->lines - view->lineno - 1 : view->height; | |
1610 | break; | |
1611 | ||
4a2909a7 | 1612 | case REQ_MOVE_UP: |
fd85fef1 JF |
1613 | steps = -1; |
1614 | break; | |
b801d8b2 | 1615 | |
4a2909a7 | 1616 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1617 | steps = 1; |
1618 | break; | |
6b161b31 JF |
1619 | |
1620 | default: | |
1621 | die("request %d not handled in switch", request); | |
78c70acd | 1622 | } |
b801d8b2 | 1623 | |
4c6fabc2 | 1624 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1625 | report("Cannot move beyond the first line"); |
78c70acd | 1626 | return; |
b801d8b2 | 1627 | |
6908bdbd | 1628 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1629 | report("Cannot move beyond the last line"); |
78c70acd | 1630 | return; |
fd85fef1 JF |
1631 | } |
1632 | ||
4c6fabc2 | 1633 | /* Move the current line */ |
fd85fef1 | 1634 | view->lineno += steps; |
4c6fabc2 JF |
1635 | assert(0 <= view->lineno && view->lineno < view->lines); |
1636 | ||
4c6fabc2 | 1637 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1638 | if (view->lineno < view->offset || |
1639 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1640 | scroll_steps = steps; |
fd85fef1 | 1641 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1642 | scroll_steps = -view->offset; |
b76c2afc JF |
1643 | |
1644 | } else if (steps > 0) { | |
1645 | if (view->lineno == view->lines - 1 && | |
1646 | view->lines > view->height) { | |
dfaa6c81 JF |
1647 | scroll_steps = view->lines - view->offset - 1; |
1648 | if (scroll_steps >= view->height) | |
1649 | scroll_steps -= view->height - 1; | |
b76c2afc | 1650 | } |
b801d8b2 | 1651 | } |
8522ecc7 JF |
1652 | } |
1653 | ||
1654 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1655 | view->offset += scroll_steps; |
1656 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1657 | view->ops->select(view, &view->line[view->lineno]); |
1658 | return; | |
1659 | } | |
1660 | ||
1661 | /* Repaint the old "current" line if we be scrolling */ | |
1662 | if (ABS(steps) < view->height) | |
1663 | draw_view_line(view, view->lineno - steps - view->offset); | |
1664 | ||
dfaa6c81 JF |
1665 | if (scroll_steps) { |
1666 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1667 | return; |
b801d8b2 JF |
1668 | } |
1669 | ||
4c6fabc2 | 1670 | /* Draw the current line */ |
fe7233c3 | 1671 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1672 | |
b801d8b2 JF |
1673 | redrawwin(view->win); |
1674 | wrefresh(view->win); | |
9d3f5834 | 1675 | report(""); |
b801d8b2 JF |
1676 | } |
1677 | ||
b801d8b2 | 1678 | |
2e8488b4 | 1679 | /* |
4af34daa JF |
1680 | * Searching |
1681 | */ | |
1682 | ||
c02d8fce | 1683 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1684 | |
1685 | static bool | |
1686 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1687 | { | |
699ae55b JF |
1688 | assert(view_is_displayed(view)); |
1689 | ||
4af34daa JF |
1690 | if (!view->ops->grep(view, line)) |
1691 | return FALSE; | |
1692 | ||
1693 | if (lineno - view->offset >= view->height) { | |
1694 | view->offset = lineno; | |
1695 | view->lineno = lineno; | |
1696 | redraw_view(view); | |
1697 | ||
1698 | } else { | |
1699 | unsigned long old_lineno = view->lineno - view->offset; | |
1700 | ||
1701 | view->lineno = lineno; | |
4af34daa JF |
1702 | draw_view_line(view, old_lineno); |
1703 | ||
1704 | draw_view_line(view, view->lineno - view->offset); | |
1705 | redrawwin(view->win); | |
1706 | wrefresh(view->win); | |
1707 | } | |
1708 | ||
1709 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1710 | return TRUE; | |
1711 | } | |
1712 | ||
1713 | static void | |
1714 | find_next(struct view *view, enum request request) | |
1715 | { | |
1716 | unsigned long lineno = view->lineno; | |
1717 | int direction; | |
1718 | ||
1719 | if (!*view->grep) { | |
1720 | if (!*opt_search) | |
1721 | report("No previous search"); | |
1722 | else | |
c02d8fce | 1723 | search_view(view, request); |
4af34daa JF |
1724 | return; |
1725 | } | |
1726 | ||
1727 | switch (request) { | |
1728 | case REQ_SEARCH: | |
1729 | case REQ_FIND_NEXT: | |
1730 | direction = 1; | |
1731 | break; | |
1732 | ||
1733 | case REQ_SEARCH_BACK: | |
1734 | case REQ_FIND_PREV: | |
1735 | direction = -1; | |
1736 | break; | |
1737 | ||
1738 | default: | |
1739 | return; | |
1740 | } | |
1741 | ||
1742 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1743 | lineno += direction; | |
1744 | ||
1745 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1746 | * will become bigger than view->lines. */ | |
1747 | for (; lineno < view->lines; lineno += direction) { | |
1748 | struct line *line = &view->line[lineno]; | |
1749 | ||
1750 | if (find_next_line(view, lineno, line)) | |
1751 | return; | |
1752 | } | |
1753 | ||
1754 | report("No match found for '%s'", view->grep); | |
1755 | } | |
1756 | ||
1757 | static void | |
c02d8fce | 1758 | search_view(struct view *view, enum request request) |
4af34daa JF |
1759 | { |
1760 | int regex_err; | |
1761 | ||
b77b2cb8 JF |
1762 | if (view->regex) { |
1763 | regfree(view->regex); | |
4af34daa | 1764 | *view->grep = 0; |
b77b2cb8 JF |
1765 | } else { |
1766 | view->regex = calloc(1, sizeof(*view->regex)); | |
1767 | if (!view->regex) | |
1768 | return; | |
4af34daa JF |
1769 | } |
1770 | ||
c02d8fce | 1771 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1772 | if (regex_err != 0) { |
1773 | char buf[SIZEOF_STR] = "unknown error"; | |
1774 | ||
b77b2cb8 | 1775 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1776 | report("Search failed: %s", buf); |
4af34daa JF |
1777 | return; |
1778 | } | |
1779 | ||
c02d8fce | 1780 | string_copy(view->grep, opt_search); |
4af34daa JF |
1781 | |
1782 | find_next(view, request); | |
1783 | } | |
1784 | ||
1785 | /* | |
2e8488b4 JF |
1786 | * Incremental updating |
1787 | */ | |
b801d8b2 | 1788 | |
199d1288 JF |
1789 | static void |
1790 | end_update(struct view *view) | |
1791 | { | |
1792 | if (!view->pipe) | |
1793 | return; | |
1794 | set_nonblocking_input(FALSE); | |
1795 | if (view->pipe == stdin) | |
1796 | fclose(view->pipe); | |
1797 | else | |
1798 | pclose(view->pipe); | |
1799 | view->pipe = NULL; | |
1800 | } | |
1801 | ||
03a93dbb | 1802 | static bool |
b801d8b2 JF |
1803 | begin_update(struct view *view) |
1804 | { | |
199d1288 JF |
1805 | if (view->pipe) |
1806 | end_update(view); | |
1807 | ||
03a93dbb JF |
1808 | if (opt_cmd[0]) { |
1809 | string_copy(view->cmd, opt_cmd); | |
1810 | opt_cmd[0] = 0; | |
035ba11f JF |
1811 | /* When running random commands, initially show the |
1812 | * command in the title. However, it maybe later be | |
1813 | * overwritten if a commit line is selected. */ | |
1814 | string_copy(view->ref, view->cmd); | |
e733ee54 JF |
1815 | |
1816 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1817 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 1818 | char path[SIZEOF_STR]; |
e733ee54 JF |
1819 | |
1820 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
1821 | opt_path[0] = path[0] = 0; |
1822 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
1823 | return FALSE; | |
e733ee54 | 1824 | |
739e81de | 1825 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
1826 | return FALSE; |
1827 | ||
03a93dbb | 1828 | } else { |
4685845e | 1829 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 1830 | const char *id = view->id; |
1ba2ae4b | 1831 | |
cc2d1364 | 1832 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 1833 | return FALSE; |
035ba11f JF |
1834 | |
1835 | /* Put the current ref_* value to the view title ref | |
1836 | * member. This is needed by the blob view. Most other | |
1837 | * views sets it automatically after loading because the | |
1838 | * first line is a commit line. */ | |
739e81de | 1839 | string_copy_rev(view->ref, view->id); |
03a93dbb | 1840 | } |
b801d8b2 | 1841 | |
6908bdbd JF |
1842 | /* Special case for the pager view. */ |
1843 | if (opt_pipe) { | |
1844 | view->pipe = opt_pipe; | |
1845 | opt_pipe = NULL; | |
1846 | } else { | |
1847 | view->pipe = popen(view->cmd, "r"); | |
1848 | } | |
1849 | ||
2e8488b4 JF |
1850 | if (!view->pipe) |
1851 | return FALSE; | |
b801d8b2 | 1852 | |
6b161b31 | 1853 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1854 | |
1855 | view->offset = 0; | |
1856 | view->lines = 0; | |
1857 | view->lineno = 0; | |
739e81de | 1858 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 1859 | |
2e8488b4 JF |
1860 | if (view->line) { |
1861 | int i; | |
1862 | ||
1863 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1864 | if (view->line[i].data) |
1865 | free(view->line[i].data); | |
2e8488b4 JF |
1866 | |
1867 | free(view->line); | |
1868 | view->line = NULL; | |
1869 | } | |
1870 | ||
1871 | view->start_time = time(NULL); | |
1872 | ||
b801d8b2 JF |
1873 | return TRUE; |
1874 | } | |
1875 | ||
e2c01617 JF |
1876 | static struct line * |
1877 | realloc_lines(struct view *view, size_t line_size) | |
1878 | { | |
1879 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1880 | ||
1881 | if (!tmp) | |
1882 | return NULL; | |
1883 | ||
1884 | view->line = tmp; | |
1885 | view->line_size = line_size; | |
1886 | return view->line; | |
1887 | } | |
1888 | ||
03a93dbb | 1889 | static bool |
b801d8b2 JF |
1890 | update_view(struct view *view) |
1891 | { | |
6b68fd24 JF |
1892 | char in_buffer[BUFSIZ]; |
1893 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 1894 | char *line; |
82e78006 JF |
1895 | /* The number of lines to read. If too low it will cause too much |
1896 | * redrawing (and possible flickering), if too high responsiveness | |
1897 | * will suffer. */ | |
8855ada4 | 1898 | unsigned long lines = view->height; |
82e78006 | 1899 | int redraw_from = -1; |
b801d8b2 JF |
1900 | |
1901 | if (!view->pipe) | |
1902 | return TRUE; | |
1903 | ||
82e78006 JF |
1904 | /* Only redraw if lines are visible. */ |
1905 | if (view->offset + view->height >= view->lines) | |
1906 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1907 | |
699ae55b | 1908 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 1909 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1910 | goto alloc_error; |
1911 | ||
6b68fd24 JF |
1912 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
1913 | size_t linelen = strlen(line); | |
b801d8b2 | 1914 | |
b801d8b2 JF |
1915 | if (linelen) |
1916 | line[linelen - 1] = 0; | |
1917 | ||
6b68fd24 JF |
1918 | if (opt_iconv != ICONV_NONE) { |
1919 | char *inbuf = line; | |
1920 | size_t inlen = linelen; | |
1921 | ||
1922 | char *outbuf = out_buffer; | |
1923 | size_t outlen = sizeof(out_buffer); | |
1924 | ||
1925 | size_t ret; | |
1926 | ||
7361622d | 1927 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
1928 | if (ret != (size_t) -1) { |
1929 | line = out_buffer; | |
1930 | linelen = strlen(out_buffer); | |
1931 | } | |
1932 | } | |
1933 | ||
701e4f5d | 1934 | if (!view->ops->read(view, line)) |
b801d8b2 | 1935 | goto alloc_error; |
fd85fef1 JF |
1936 | |
1937 | if (lines-- == 1) | |
1938 | break; | |
b801d8b2 JF |
1939 | } |
1940 | ||
8855ada4 JF |
1941 | { |
1942 | int digits; | |
1943 | ||
1944 | lines = view->lines; | |
1945 | for (digits = 0; lines; digits++) | |
1946 | lines /= 10; | |
1947 | ||
1948 | /* Keep the displayed view in sync with line number scaling. */ | |
1949 | if (digits != view->digits) { | |
1950 | view->digits = digits; | |
1951 | redraw_from = 0; | |
1952 | } | |
1953 | } | |
1954 | ||
699ae55b JF |
1955 | if (!view_is_displayed(view)) |
1956 | goto check_pipe; | |
1957 | ||
e733ee54 JF |
1958 | if (view == VIEW(REQ_VIEW_TREE)) { |
1959 | /* Clear the view and redraw everything since the tree sorting | |
1960 | * might have rearranged things. */ | |
1961 | redraw_view(view); | |
1962 | ||
1963 | } else if (redraw_from >= 0) { | |
82e78006 | 1964 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
1965 | * since for commits some members could have changed when |
1966 | * loading the main view. */ | |
82e78006 JF |
1967 | if (redraw_from > 0) |
1968 | redraw_from--; | |
1969 | ||
9eded379 JF |
1970 | /* Since revision graph visualization requires knowledge |
1971 | * about the parent commit, it causes a further one-off | |
1972 | * needed to be redrawn for incremental updates. */ | |
1973 | if (redraw_from > 0 && opt_rev_graph) | |
1974 | redraw_from--; | |
1975 | ||
82e78006 JF |
1976 | /* Incrementally draw avoids flickering. */ |
1977 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 1978 | } |
b801d8b2 | 1979 | |
eb98559e JF |
1980 | /* Update the title _after_ the redraw so that if the redraw picks up a |
1981 | * commit reference in view->ref it'll be available here. */ | |
1982 | update_view_title(view); | |
1983 | ||
699ae55b | 1984 | check_pipe: |
b801d8b2 | 1985 | if (ferror(view->pipe)) { |
03a93dbb | 1986 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
1987 | goto end; |
1988 | ||
1989 | } else if (feof(view->pipe)) { | |
f97f4012 | 1990 | report(""); |
b801d8b2 JF |
1991 | goto end; |
1992 | } | |
1993 | ||
1994 | return TRUE; | |
1995 | ||
1996 | alloc_error: | |
2e8488b4 | 1997 | report("Allocation failure"); |
b801d8b2 JF |
1998 | |
1999 | end: | |
be04d936 | 2000 | view->ops->read(view, NULL); |
b801d8b2 JF |
2001 | end_update(view); |
2002 | return FALSE; | |
2003 | } | |
2004 | ||
0a0d8910 | 2005 | static struct line * |
e314c36d | 2006 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2007 | { |
e314c36d | 2008 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2009 | |
e314c36d | 2010 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2011 | line->type = type; |
e314c36d | 2012 | line->data = data; |
0a0d8910 JF |
2013 | |
2014 | return line; | |
2015 | } | |
2016 | ||
e314c36d JF |
2017 | static struct line * |
2018 | add_line_text(struct view *view, char *data, enum line_type type) | |
2019 | { | |
2020 | if (data) | |
2021 | data = strdup(data); | |
2022 | ||
2023 | return data ? add_line_data(view, data, type) : NULL; | |
2024 | } | |
2025 | ||
79d445ca | 2026 | |
e10154d5 JF |
2027 | /* |
2028 | * View opening | |
2029 | */ | |
2030 | ||
49f2b43f JF |
2031 | enum open_flags { |
2032 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2033 | OPEN_SPLIT = 1, /* Split current view. */ | |
2034 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2035 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2036 | }; | |
2037 | ||
6b161b31 | 2038 | static void |
49f2b43f | 2039 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2040 | { |
49f2b43f JF |
2041 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2042 | bool split = !!(flags & OPEN_SPLIT); | |
2043 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2044 | struct view *view = VIEW(request); |
9f41488f | 2045 | int nviews = displayed_views(); |
6e950a52 | 2046 | struct view *base_view = display[0]; |
b801d8b2 | 2047 | |
49f2b43f | 2048 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2049 | report("Already in %s view", view->name); |
2050 | return; | |
2051 | } | |
b801d8b2 | 2052 | |
f098944b JF |
2053 | if (view->ops->open) { |
2054 | if (!view->ops->open(view)) { | |
2055 | report("Failed to load %s view", view->name); | |
2056 | return; | |
2057 | } | |
2509b112 JF |
2058 | |
2059 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2060 | !begin_update(view)) { | |
6b161b31 JF |
2061 | report("Failed to load %s view", view->name); |
2062 | return; | |
2063 | } | |
a28bcc22 | 2064 | |
6b161b31 | 2065 | if (split) { |
8d741c06 | 2066 | display[1] = view; |
6b161b31 | 2067 | if (!backgrounded) |
8d741c06 | 2068 | current_view = 1; |
6b161b31 JF |
2069 | } else { |
2070 | /* Maximize the current view. */ | |
2071 | memset(display, 0, sizeof(display)); | |
2072 | current_view = 0; | |
2073 | display[current_view] = view; | |
a28bcc22 | 2074 | } |
b801d8b2 | 2075 | |
6e950a52 JF |
2076 | /* Resize the view when switching between split- and full-screen, |
2077 | * or when switching between two different full-screen views. */ | |
2078 | if (nviews != displayed_views() || | |
2079 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2080 | resize_display(); |
b801d8b2 | 2081 | |
a8891802 | 2082 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2083 | /* Take the title line into account. */ |
eb98559e | 2084 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2085 | |
2086 | /* Scroll the view that was split if the current line is | |
2087 | * outside the new limited view. */ | |
8c317212 | 2088 | do_scroll_view(prev, lines); |
03a93dbb JF |
2089 | } |
2090 | ||
6b161b31 | 2091 | if (prev && view != prev) { |
9b995f0c | 2092 | if (split && !backgrounded) { |
f0b3ab80 JF |
2093 | /* "Blur" the previous view. */ |
2094 | update_view_title(prev); | |
9f396969 | 2095 | } |
f0b3ab80 | 2096 | |
f6da0b66 | 2097 | view->parent = prev; |
b801d8b2 JF |
2098 | } |
2099 | ||
9f396969 | 2100 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2101 | /* Clear the old view and let the incremental updating refill |
2102 | * the screen. */ | |
2103 | wclear(view->win); | |
f97f4012 | 2104 | report(""); |
03a93dbb JF |
2105 | } else { |
2106 | redraw_view(view); | |
24b5b3e0 | 2107 | report(""); |
03a93dbb | 2108 | } |
6706b2ba JF |
2109 | |
2110 | /* If the view is backgrounded the above calls to report() | |
2111 | * won't redraw the view title. */ | |
2112 | if (backgrounded) | |
2113 | update_view_title(view); | |
b801d8b2 JF |
2114 | } |
2115 | ||
2116 | ||
6b161b31 JF |
2117 | /* |
2118 | * User request switch noodle | |
2119 | */ | |
2120 | ||
b801d8b2 | 2121 | static int |
6b161b31 | 2122 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2123 | { |
b801d8b2 JF |
2124 | int i; |
2125 | ||
2126 | switch (request) { | |
4a2909a7 JF |
2127 | case REQ_MOVE_UP: |
2128 | case REQ_MOVE_DOWN: | |
2129 | case REQ_MOVE_PAGE_UP: | |
2130 | case REQ_MOVE_PAGE_DOWN: | |
2131 | case REQ_MOVE_FIRST_LINE: | |
2132 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2133 | move_view(view, request); |
fd85fef1 JF |
2134 | break; |
2135 | ||
4a2909a7 JF |
2136 | case REQ_SCROLL_LINE_DOWN: |
2137 | case REQ_SCROLL_LINE_UP: | |
2138 | case REQ_SCROLL_PAGE_DOWN: | |
2139 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2140 | scroll_view(view, request); |
b801d8b2 JF |
2141 | break; |
2142 | ||
e733ee54 JF |
2143 | case REQ_VIEW_BLOB: |
2144 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2145 | report("No file chosen, press %s to open tree view", |
2146 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2147 | break; |
2148 | } | |
5c4358d1 JF |
2149 | open_view(view, request, OPEN_DEFAULT); |
2150 | break; | |
2151 | ||
2152 | case REQ_VIEW_PAGER: | |
2153 | if (!VIEW(REQ_VIEW_PAGER)->lines) { | |
2154 | report("No pager content, press %s to run command from prompt", | |
2155 | get_key(REQ_PROMPT)); | |
2156 | break; | |
2157 | } | |
2158 | open_view(view, request, OPEN_DEFAULT); | |
2159 | break; | |
2160 | ||
4a2909a7 | 2161 | case REQ_VIEW_MAIN: |
4a2909a7 | 2162 | case REQ_VIEW_DIFF: |
2e8488b4 | 2163 | case REQ_VIEW_LOG: |
e733ee54 | 2164 | case REQ_VIEW_TREE: |
2e8488b4 | 2165 | case REQ_VIEW_HELP: |
173d76ea | 2166 | case REQ_VIEW_STATUS: |
49f2b43f | 2167 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2168 | break; |
2169 | ||
b3a54cba JF |
2170 | case REQ_NEXT: |
2171 | case REQ_PREVIOUS: | |
2172 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2173 | ||
e733ee54 JF |
2174 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2175 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
2176 | (view == VIEW(REQ_VIEW_BLOB) && | |
2177 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
b3a54cba | 2178 | view = view->parent; |
8522ecc7 JF |
2179 | move_view(view, request); |
2180 | if (view_is_displayed(view)) | |
f0b3ab80 | 2181 | update_view_title(view); |
b3a54cba | 2182 | } else { |
8522ecc7 | 2183 | move_view(view, request); |
b3a54cba JF |
2184 | break; |
2185 | } | |
6706b2ba JF |
2186 | /* Fall-through */ |
2187 | ||
6b161b31 | 2188 | case REQ_ENTER: |
6908bdbd JF |
2189 | if (!view->lines) { |
2190 | report("Nothing to enter"); | |
2191 | break; | |
2192 | } | |
fe7233c3 | 2193 | return view->ops->enter(view, &view->line[view->lineno]); |
6b161b31 | 2194 | |
03a93dbb JF |
2195 | case REQ_VIEW_NEXT: |
2196 | { | |
9f41488f | 2197 | int nviews = displayed_views(); |
03a93dbb JF |
2198 | int next_view = (current_view + 1) % nviews; |
2199 | ||
2200 | if (next_view == current_view) { | |
2201 | report("Only one view is displayed"); | |
2202 | break; | |
2203 | } | |
2204 | ||
2205 | current_view = next_view; | |
2206 | /* Blur out the title of the previous view. */ | |
2207 | update_view_title(view); | |
6734f6b9 | 2208 | report(""); |
03a93dbb JF |
2209 | break; |
2210 | } | |
24b5b3e0 | 2211 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2212 | opt_line_number = !opt_line_number; |
20bb5e18 | 2213 | redraw_display(); |
b801d8b2 JF |
2214 | break; |
2215 | ||
54efb62b JF |
2216 | case REQ_TOGGLE_REV_GRAPH: |
2217 | opt_rev_graph = !opt_rev_graph; | |
2218 | redraw_display(); | |
2219 | break; | |
2220 | ||
03a93dbb | 2221 | case REQ_PROMPT: |
8855ada4 | 2222 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2223 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2224 | break; |
2225 | ||
4af34daa JF |
2226 | case REQ_SEARCH: |
2227 | case REQ_SEARCH_BACK: | |
c02d8fce | 2228 | search_view(view, request); |
4af34daa JF |
2229 | break; |
2230 | ||
2231 | case REQ_FIND_NEXT: | |
2232 | case REQ_FIND_PREV: | |
2233 | find_next(view, request); | |
2234 | break; | |
2235 | ||
4a2909a7 | 2236 | case REQ_STOP_LOADING: |
59a45d3a JF |
2237 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2238 | view = &views[i]; | |
2e8488b4 | 2239 | if (view->pipe) |
6a7bb912 | 2240 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2241 | end_update(view); |
2242 | } | |
b801d8b2 JF |
2243 | break; |
2244 | ||
4a2909a7 | 2245 | case REQ_SHOW_VERSION: |
73785605 | 2246 | report("tig-%s (built %s)", VERSION, __DATE__); |
b801d8b2 JF |
2247 | return TRUE; |
2248 | ||
fac7db6c JF |
2249 | case REQ_SCREEN_RESIZE: |
2250 | resize_display(); | |
2251 | /* Fall-through */ | |
4a2909a7 | 2252 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2253 | redraw_display(); |
4a2909a7 JF |
2254 | break; |
2255 | ||
1d754561 | 2256 | case REQ_NONE: |
b801d8b2 JF |
2257 | doupdate(); |
2258 | return TRUE; | |
2259 | ||
4f9b667a | 2260 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2261 | /* XXX: Mark closed views by letting view->parent point to the |
2262 | * view itself. Parents to closed view should never be | |
2263 | * followed. */ | |
2264 | if (view->parent && | |
2265 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2266 | memset(display, 0, sizeof(display)); |
2267 | current_view = 0; | |
f6da0b66 | 2268 | display[current_view] = view->parent; |
2fcf5401 | 2269 | view->parent = view; |
4f9b667a JF |
2270 | resize_display(); |
2271 | redraw_display(); | |
2272 | break; | |
2273 | } | |
2274 | /* Fall-through */ | |
b801d8b2 JF |
2275 | case REQ_QUIT: |
2276 | return FALSE; | |
2277 | ||
2278 | default: | |
2e8488b4 | 2279 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2280 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2281 | return TRUE; |
2282 | } | |
2283 | ||
2284 | return TRUE; | |
2285 | } | |
2286 | ||
2287 | ||
2288 | /* | |
ff26aa29 | 2289 | * Pager backend |
b801d8b2 JF |
2290 | */ |
2291 | ||
6b161b31 | 2292 | static bool |
5dcf8064 | 2293 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2294 | { |
fe7233c3 JF |
2295 | char *text = line->data; |
2296 | enum line_type type = line->type; | |
2297 | int textlen = strlen(text); | |
78c70acd | 2298 | int attr; |
b801d8b2 | 2299 | |
6706b2ba JF |
2300 | wmove(view->win, lineno, 0); |
2301 | ||
5dcf8064 | 2302 | if (selected) { |
78c70acd | 2303 | type = LINE_CURSOR; |
6706b2ba | 2304 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2305 | } |
2306 | ||
78c70acd | 2307 | attr = get_line_attr(type); |
b801d8b2 | 2308 | wattrset(view->win, attr); |
b76c2afc | 2309 | |
6706b2ba JF |
2310 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2311 | static char spaces[] = " "; | |
2312 | int col_offset = 0, col = 0; | |
2313 | ||
2314 | if (opt_line_number) { | |
2315 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2316 | |
6706b2ba JF |
2317 | if (real_lineno == 1 || |
2318 | (real_lineno % opt_num_interval) == 0) { | |
2319 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2320 | |
6706b2ba JF |
2321 | } else { |
2322 | waddnstr(view->win, spaces, | |
2323 | MIN(view->digits, STRING_SIZE(spaces))); | |
2324 | } | |
2325 | waddstr(view->win, ": "); | |
2326 | col_offset = view->digits + 2; | |
2327 | } | |
8855ada4 | 2328 | |
fe7233c3 | 2329 | while (text && col_offset + col < view->width) { |
6706b2ba | 2330 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2331 | char *pos = text; |
6706b2ba | 2332 | int cols; |
4c6fabc2 | 2333 | |
fe7233c3 JF |
2334 | if (*text == '\t') { |
2335 | text++; | |
6706b2ba | 2336 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2337 | pos = spaces; |
6706b2ba | 2338 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2339 | |
b76c2afc | 2340 | } else { |
fe7233c3 JF |
2341 | text = strchr(text, '\t'); |
2342 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2343 | } |
6706b2ba | 2344 | |
fe7233c3 | 2345 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2346 | col += cols; |
b76c2afc | 2347 | } |
b76c2afc JF |
2348 | |
2349 | } else { | |
6706b2ba | 2350 | int col = 0, pos = 0; |
b801d8b2 | 2351 | |
fe7233c3 JF |
2352 | for (; pos < textlen && col < view->width; pos++, col++) |
2353 | if (text[pos] == '\t') | |
6706b2ba JF |
2354 | col += TABSIZE - (col % TABSIZE) - 1; |
2355 | ||
fe7233c3 | 2356 | waddnstr(view->win, text, pos); |
6706b2ba | 2357 | } |
2e8488b4 | 2358 | |
b801d8b2 JF |
2359 | return TRUE; |
2360 | } | |
2361 | ||
dc23c0e3 | 2362 | static bool |
d65ced0d | 2363 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2364 | { |
17482b11 | 2365 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2366 | char *ref = NULL; |
2367 | FILE *pipe; | |
2368 | ||
d3c345f7 | 2369 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2370 | return TRUE; |
2371 | ||
2372 | pipe = popen(refbuf, "r"); | |
2373 | if (!pipe) | |
2374 | return TRUE; | |
2375 | ||
2376 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2377 | ref = chomp_string(ref); | |
2378 | pclose(pipe); | |
2379 | ||
2380 | if (!ref || !*ref) | |
2381 | return TRUE; | |
2382 | ||
2383 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2384 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2385 | return FALSE; |
2386 | ||
2387 | return TRUE; | |
2388 | } | |
2389 | ||
7b99a34c JF |
2390 | static void |
2391 | add_pager_refs(struct view *view, struct line *line) | |
2392 | { | |
17482b11 | 2393 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2394 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2395 | struct ref **refs; |
d65ced0d | 2396 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2397 | const char *sep = "Refs: "; |
dc23c0e3 | 2398 | bool is_tag = FALSE; |
7b99a34c JF |
2399 | |
2400 | assert(line->type == LINE_COMMIT); | |
2401 | ||
c9ca1ec3 | 2402 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2403 | if (!refs) { |
2404 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2405 | goto try_add_describe_ref; | |
7b99a34c | 2406 | return; |
dc23c0e3 | 2407 | } |
7b99a34c JF |
2408 | |
2409 | do { | |
cc2d1364 | 2410 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2411 | char *fmt = ref->tag ? "%s[%s]" : |
2412 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2413 | |
cc2d1364 JF |
2414 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2415 | return; | |
7b99a34c | 2416 | sep = ", "; |
dc23c0e3 JF |
2417 | if (ref->tag) |
2418 | is_tag = TRUE; | |
7b99a34c JF |
2419 | } while (refs[refpos++]->next); |
2420 | ||
dc23c0e3 JF |
2421 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2422 | try_add_describe_ref: | |
d42c8a35 | 2423 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2424 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2425 | return; | |
2426 | } | |
2427 | ||
d42c8a35 JF |
2428 | if (bufpos == 0) |
2429 | return; | |
2430 | ||
cc2d1364 | 2431 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2432 | return; |
2433 | ||
0a0d8910 | 2434 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2435 | } |
2436 | ||
6b161b31 | 2437 | static bool |
701e4f5d | 2438 | pager_read(struct view *view, char *data) |
22f66b0a | 2439 | { |
0a0d8910 | 2440 | struct line *line; |
22f66b0a | 2441 | |
be04d936 JF |
2442 | if (!data) |
2443 | return TRUE; | |
2444 | ||
0a0d8910 JF |
2445 | line = add_line_text(view, data, get_line_type(data)); |
2446 | if (!line) | |
7b99a34c | 2447 | return FALSE; |
fe7233c3 | 2448 | |
7b99a34c JF |
2449 | if (line->type == LINE_COMMIT && |
2450 | (view == VIEW(REQ_VIEW_DIFF) || | |
2451 | view == VIEW(REQ_VIEW_LOG))) | |
2452 | add_pager_refs(view, line); | |
2453 | ||
22f66b0a JF |
2454 | return TRUE; |
2455 | } | |
2456 | ||
6b161b31 | 2457 | static bool |
fe7233c3 | 2458 | pager_enter(struct view *view, struct line *line) |
6b161b31 | 2459 | { |
91e8e277 | 2460 | int split = 0; |
6b161b31 | 2461 | |
9fbbd28f JF |
2462 | if (line->type == LINE_COMMIT && |
2463 | (view == VIEW(REQ_VIEW_LOG) || | |
2464 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2465 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2466 | split = 1; | |
67e48ac5 JF |
2467 | } |
2468 | ||
91e8e277 JF |
2469 | /* Always scroll the view even if it was split. That way |
2470 | * you can use Enter to scroll through the log view and | |
2471 | * split open each commit diff. */ | |
2472 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2473 | ||
2474 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2475 | * but if we are scrolling a non-current view this won't properly |
2476 | * update the view title. */ | |
91e8e277 JF |
2477 | if (split) |
2478 | update_view_title(view); | |
6b161b31 JF |
2479 | |
2480 | return TRUE; | |
2481 | } | |
2482 | ||
4af34daa JF |
2483 | static bool |
2484 | pager_grep(struct view *view, struct line *line) | |
2485 | { | |
2486 | regmatch_t pmatch; | |
2487 | char *text = line->data; | |
2488 | ||
2489 | if (!*text) | |
2490 | return FALSE; | |
2491 | ||
b77b2cb8 | 2492 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2493 | return FALSE; |
2494 | ||
2495 | return TRUE; | |
2496 | } | |
2497 | ||
d720de4b JF |
2498 | static void |
2499 | pager_select(struct view *view, struct line *line) | |
2500 | { | |
2501 | if (line->type == LINE_COMMIT) { | |
035ba11f | 2502 | char *text = line->data + STRING_SIZE("commit "); |
d720de4b | 2503 | |
035ba11f | 2504 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2505 | string_copy_rev(view->ref, text); |
2506 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2507 | } |
2508 | } | |
2509 | ||
6b161b31 | 2510 | static struct view_ops pager_ops = { |
6734f6b9 | 2511 | "line", |
f098944b | 2512 | NULL, |
6b161b31 | 2513 | pager_read, |
f098944b JF |
2514 | pager_draw, |
2515 | pager_enter, | |
2516 | pager_grep, | |
2517 | pager_select, | |
2518 | }; | |
2519 | ||
2520 | ||
2521 | /* | |
2522 | * Help backend | |
2523 | */ | |
2524 | ||
2525 | static bool | |
2526 | help_open(struct view *view) | |
2527 | { | |
2528 | char buf[BUFSIZ]; | |
2529 | int lines = ARRAY_SIZE(req_info) + 2; | |
2530 | int i; | |
2531 | ||
2532 | if (view->lines > 0) | |
2533 | return TRUE; | |
2534 | ||
2535 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2536 | if (!req_info[i].request) | |
2537 | lines++; | |
2538 | ||
2539 | view->line = calloc(lines, sizeof(*view->line)); | |
2540 | if (!view->line) | |
2541 | return FALSE; | |
2542 | ||
2543 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2544 | ||
2545 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2546 | char *key; | |
2547 | ||
2548 | if (!req_info[i].request) { | |
2549 | add_line_text(view, "", LINE_DEFAULT); | |
2550 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2551 | continue; | |
2552 | } | |
2553 | ||
2554 | key = get_key(req_info[i].request); | |
2555 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) | |
2556 | continue; | |
2557 | ||
2558 | add_line_text(view, buf, LINE_DEFAULT); | |
2559 | } | |
2560 | ||
2561 | return TRUE; | |
2562 | } | |
2563 | ||
2564 | static struct view_ops help_ops = { | |
2565 | "line", | |
2566 | help_open, | |
2567 | NULL, | |
2568 | pager_draw, | |
6b161b31 | 2569 | pager_enter, |
4af34daa | 2570 | pager_grep, |
d720de4b | 2571 | pager_select, |
6b161b31 JF |
2572 | }; |
2573 | ||
80ce96ea | 2574 | |
ff26aa29 | 2575 | /* |
e733ee54 JF |
2576 | * Tree backend |
2577 | */ | |
2578 | ||
4795d620 | 2579 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2580 | * |
2581 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2582 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2583 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2584 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2585 | */ | |
2586 | ||
2587 | #define SIZEOF_TREE_ATTR \ | |
2588 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2589 | ||
2590 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2591 | ||
2592 | static int | |
2593 | tree_compare_entry(enum line_type type1, char *name1, | |
2594 | enum line_type type2, char *name2) | |
2595 | { | |
2596 | if (type1 != type2) { | |
2597 | if (type1 == LINE_TREE_DIR) | |
2598 | return -1; | |
2599 | return 1; | |
2600 | } | |
2601 | ||
2602 | return strcmp(name1, name2); | |
2603 | } | |
2604 | ||
2605 | static bool | |
2606 | tree_read(struct view *view, char *text) | |
2607 | { | |
be04d936 | 2608 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2609 | char buf[SIZEOF_STR]; |
2610 | unsigned long pos; | |
2611 | enum line_type type; | |
f88a5319 | 2612 | bool first_read = view->lines == 0; |
e733ee54 JF |
2613 | |
2614 | if (textlen <= SIZEOF_TREE_ATTR) | |
2615 | return FALSE; | |
2616 | ||
2617 | type = text[STRING_SIZE("100644 ")] == 't' | |
2618 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2619 | ||
f88a5319 | 2620 | if (first_read) { |
e733ee54 | 2621 | /* Add path info line */ |
0a0d8910 JF |
2622 | if (!string_format(buf, "Directory path /%s", opt_path) || |
2623 | !realloc_lines(view, view->line_size + 1) || | |
2624 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
2625 | return FALSE; |
2626 | ||
2627 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
2628 | if (*opt_path) { |
2629 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
2630 | !realloc_lines(view, view->line_size + 1) || | |
2631 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
2632 | return FALSE; | |
2633 | } | |
e733ee54 JF |
2634 | } |
2635 | ||
2636 | /* Strip the path part ... */ | |
2637 | if (*opt_path) { | |
2638 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2639 | size_t striplen = strlen(opt_path); | |
2640 | char *path = text + SIZEOF_TREE_ATTR; | |
2641 | ||
2642 | if (pathlen > striplen) | |
2643 | memmove(path, path + striplen, | |
2644 | pathlen - striplen + 1); | |
2645 | } | |
2646 | ||
2647 | /* Skip "Directory ..." and ".." line. */ | |
2648 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2649 | struct line *line = &view->line[pos]; | |
2650 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2651 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2652 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2653 | ||
2654 | if (cmp <= 0) | |
2655 | continue; | |
2656 | ||
2657 | text = strdup(text); | |
2658 | if (!text) | |
2659 | return FALSE; | |
2660 | ||
2661 | if (view->lines > pos) | |
2662 | memmove(&view->line[pos + 1], &view->line[pos], | |
2663 | (view->lines - pos) * sizeof(*line)); | |
2664 | ||
2665 | line = &view->line[pos]; | |
2666 | line->data = text; | |
2667 | line->type = type; | |
2668 | view->lines++; | |
2669 | return TRUE; | |
2670 | } | |
2671 | ||
0a0d8910 | 2672 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
2673 | return FALSE; |
2674 | ||
f88a5319 JF |
2675 | /* Move the current line to the first tree entry. */ |
2676 | if (first_read) | |
2677 | view->lineno++; | |
2678 | ||
e733ee54 JF |
2679 | return TRUE; |
2680 | } | |
2681 | ||
2682 | static bool | |
2683 | tree_enter(struct view *view, struct line *line) | |
2684 | { | |
aac64c17 | 2685 | enum open_flags flags; |
e733ee54 JF |
2686 | enum request request; |
2687 | ||
2688 | switch (line->type) { | |
2689 | case LINE_TREE_DIR: | |
2690 | /* Depending on whether it is a subdir or parent (updir?) link | |
2691 | * mangle the path buffer. */ | |
2692 | if (line == &view->line[1] && *opt_path) { | |
2693 | size_t path_len = strlen(opt_path); | |
2694 | char *dirsep = opt_path + path_len - 1; | |
2695 | ||
2696 | while (dirsep > opt_path && dirsep[-1] != '/') | |
2697 | dirsep--; | |
2698 | ||
2699 | dirsep[0] = 0; | |
2700 | ||
2701 | } else { | |
d65ced0d | 2702 | size_t pathlen = strlen(opt_path); |
4ea4ce91 | 2703 | size_t origlen = pathlen; |
4795d620 | 2704 | char *data = line->data; |
e733ee54 JF |
2705 | char *basename = data + SIZEOF_TREE_ATTR; |
2706 | ||
4038038f | 2707 | if (!string_format_from(opt_path, &pathlen, "%s/", basename)) { |
4ea4ce91 JF |
2708 | opt_path[origlen] = 0; |
2709 | return TRUE; | |
2710 | } | |
e733ee54 JF |
2711 | } |
2712 | ||
2713 | /* Trees and subtrees share the same ID, so they are not not | |
2714 | * unique like blobs. */ | |
aac64c17 | 2715 | flags = OPEN_RELOAD; |
e733ee54 JF |
2716 | request = REQ_VIEW_TREE; |
2717 | break; | |
2718 | ||
2719 | case LINE_TREE_FILE: | |
aac64c17 | 2720 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
2721 | request = REQ_VIEW_BLOB; |
2722 | break; | |
2723 | ||
2724 | default: | |
2725 | return TRUE; | |
2726 | } | |
2727 | ||
2728 | open_view(view, request, flags); | |
2729 | ||
e733ee54 JF |
2730 | return TRUE; |
2731 | } | |
2732 | ||
d720de4b JF |
2733 | static void |
2734 | tree_select(struct view *view, struct line *line) | |
2735 | { | |
035ba11f | 2736 | char *text = line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
2737 | |
2738 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 2739 | string_copy_rev(ref_blob, text); |
d720de4b | 2740 | |
ebbaf4fe JF |
2741 | } else if (line->type != LINE_TREE_DIR) { |
2742 | return; | |
d720de4b | 2743 | } |
ebbaf4fe | 2744 | |
2463b4ea | 2745 | string_copy_rev(view->ref, text); |
d720de4b JF |
2746 | } |
2747 | ||
e733ee54 JF |
2748 | static struct view_ops tree_ops = { |
2749 | "file", | |
f098944b | 2750 | NULL, |
e733ee54 | 2751 | tree_read, |
f098944b | 2752 | pager_draw, |
e733ee54 JF |
2753 | tree_enter, |
2754 | pager_grep, | |
d720de4b | 2755 | tree_select, |
e733ee54 JF |
2756 | }; |
2757 | ||
2758 | static bool | |
2759 | blob_read(struct view *view, char *line) | |
2760 | { | |
0a0d8910 | 2761 | return add_line_text(view, line, LINE_DEFAULT); |
e733ee54 JF |
2762 | } |
2763 | ||
2764 | static struct view_ops blob_ops = { | |
2765 | "line", | |
f098944b | 2766 | NULL, |
e733ee54 | 2767 | blob_read, |
f098944b | 2768 | pager_draw, |
e733ee54 JF |
2769 | pager_enter, |
2770 | pager_grep, | |
d720de4b | 2771 | pager_select, |
e733ee54 JF |
2772 | }; |
2773 | ||
2774 | ||
2775 | /* | |
173d76ea JF |
2776 | * Status backend |
2777 | */ | |
2778 | ||
2779 | struct status { | |
2780 | char status; | |
2781 | struct { | |
2782 | mode_t mode; | |
2783 | char rev[SIZEOF_REV]; | |
2784 | } old; | |
2785 | struct { | |
2786 | mode_t mode; | |
2787 | char rev[SIZEOF_REV]; | |
2788 | } new; | |
2789 | char name[SIZEOF_STR]; | |
2790 | }; | |
2791 | ||
2792 | /* Get fields from the diff line: | |
2793 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
2794 | */ | |
2795 | static inline bool | |
2796 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
2797 | { | |
2798 | char *old_mode = buf + 1; | |
2799 | char *new_mode = buf + 8; | |
2800 | char *old_rev = buf + 15; | |
2801 | char *new_rev = buf + 56; | |
2802 | char *status = buf + 97; | |
2803 | ||
2804 | if (bufsize != 99 || | |
2805 | old_mode[-1] != ':' || | |
2806 | new_mode[-1] != ' ' || | |
2807 | old_rev[-1] != ' ' || | |
2808 | new_rev[-1] != ' ' || | |
2809 | status[-1] != ' ') | |
2810 | return FALSE; | |
2811 | ||
2812 | file->status = *status; | |
2813 | ||
2814 | string_copy_rev(file->old.rev, old_rev); | |
2815 | string_copy_rev(file->new.rev, new_rev); | |
2816 | ||
2817 | file->old.mode = strtoul(old_mode, NULL, 8); | |
2818 | file->new.mode = strtoul(new_mode, NULL, 8); | |
2819 | ||
2820 | file->name[0] = 0; | |
2821 | ||
2822 | return TRUE; | |
2823 | } | |
2824 | ||
2825 | static bool | |
2826 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
2827 | { | |
2828 | struct status *file = NULL; | |
2829 | char buf[SIZEOF_STR * 4]; | |
2830 | size_t bufsize = 0; | |
2831 | FILE *pipe; | |
2832 | ||
2833 | pipe = popen(cmd, "r"); | |
2834 | if (!pipe) | |
2835 | return FALSE; | |
2836 | ||
2837 | add_line_data(view, NULL, type); | |
2838 | ||
2839 | while (!feof(pipe) && !ferror(pipe)) { | |
2840 | char *sep; | |
2841 | size_t readsize; | |
2842 | ||
2843 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
2844 | if (!readsize) | |
2845 | break; | |
2846 | bufsize += readsize; | |
2847 | ||
2848 | /* Process while we have NUL chars. */ | |
2849 | while ((sep = memchr(buf, 0, bufsize))) { | |
2850 | size_t sepsize = sep - buf + 1; | |
2851 | ||
2852 | if (!file) { | |
2853 | if (!realloc_lines(view, view->line_size + 1)) | |
2854 | goto error_out; | |
2855 | ||
2856 | file = calloc(1, sizeof(*file)); | |
2857 | if (!file) | |
2858 | goto error_out; | |
2859 | ||
2860 | add_line_data(view, file, type); | |
2861 | } | |
2862 | ||
2863 | /* Parse diff info part. */ | |
2864 | if (!diff) { | |
2865 | file->status = '?'; | |
2866 | ||
2867 | } else if (!file->status) { | |
2868 | if (!status_get_diff(file, buf, sepsize)) | |
2869 | goto error_out; | |
2870 | ||
2871 | bufsize -= sepsize; | |
2872 | memmove(buf, sep + 1, bufsize); | |
2873 | ||
2874 | sep = memchr(buf, 0, bufsize); | |
2875 | if (!sep) | |
2876 | break; | |
2877 | sepsize = sep - buf + 1; | |
2878 | } | |
2879 | ||
2880 | /* git-ls-files just delivers a NUL separated | |
2881 | * list of file names similar to the second half | |
2882 | * of the git-diff-* output. */ | |
2883 | string_ncopy(file->name, buf, sepsize); | |
2884 | bufsize -= sepsize; | |
2885 | memmove(buf, sep + 1, bufsize); | |
2886 | file = NULL; | |
2887 | } | |
2888 | } | |
2889 | ||
2890 | if (ferror(pipe)) { | |
2891 | error_out: | |
2892 | pclose(pipe); | |
2893 | return FALSE; | |
2894 | } | |
2895 | ||
2896 | if (!view->line[view->lines - 1].data) | |
2897 | add_line_data(view, NULL, LINE_STAT_NONE); | |
2898 | ||
2899 | pclose(pipe); | |
2900 | return TRUE; | |
2901 | } | |
2902 | ||
2903 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --cached HEAD" | |
2904 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" | |
2905 | #define STATUS_LIST_OTHER_CMD \ | |
2906 | "_git_exclude=$(git rev-parse --git-dir)/info/exclude;" \ | |
2907 | "test -f \"$_git_exclude\" && exclude=\"--exclude-from=$_git_exclude\";" \ | |
2908 | "git ls-files -z --others --exclude-per-directory=.gitignore \"$exclude\"" \ | |
2909 | ||
2910 | /* First parse staged info using git-diff-index(1), then parse unstaged | |
2911 | * info using git-diff-files(1), and finally untracked files using | |
2912 | * git-ls-files(1). */ | |
2913 | static bool | |
2914 | status_open(struct view *view) | |
2915 | { | |
2916 | size_t i; | |
2917 | ||
2918 | for (i = 0; i < view->lines; i++) | |
2919 | free(view->line[i].data); | |
2920 | free(view->line); | |
2921 | view->lines = view->line_size = 0; | |
2922 | view->line = NULL; | |
2923 | ||
2924 | if (!realloc_lines(view, view->line_size + 6)) | |
2925 | return FALSE; | |
2926 | ||
2927 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || | |
2928 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
2929 | !status_run(view, STATUS_LIST_OTHER_CMD, FALSE, LINE_STAT_UNTRACKED)) | |
2930 | return FALSE; | |
2931 | ||
2932 | return TRUE; | |
2933 | } | |
2934 | ||
2935 | static bool | |
2936 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
2937 | { | |
2938 | struct status *status = line->data; | |
2939 | ||
2940 | wmove(view->win, lineno, 0); | |
2941 | ||
2942 | if (selected) { | |
2943 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
2944 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
2945 | ||
2946 | } else if (!status && line->type != LINE_STAT_NONE) { | |
2947 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
2948 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
2949 | ||
2950 | } else { | |
2951 | wattrset(view->win, get_line_attr(line->type)); | |
2952 | } | |
2953 | ||
2954 | if (!status) { | |
2955 | char *text; | |
2956 | ||
2957 | switch (line->type) { | |
2958 | case LINE_STAT_STAGED: | |
2959 | text = "Changes to be committed:"; | |
2960 | break; | |
2961 | ||
2962 | case LINE_STAT_UNSTAGED: | |
2963 | text = "Changed but not updated:"; | |
2964 | break; | |
2965 | ||
2966 | case LINE_STAT_UNTRACKED: | |
2967 | text = "Untracked files:"; | |
2968 | break; | |
2969 | ||
2970 | case LINE_STAT_NONE: | |
2971 | text = " (no files)"; | |
2972 | break; | |
2973 | ||
2974 | default: | |
2975 | return FALSE; | |
2976 | } | |
2977 | ||
2978 | waddstr(view->win, text); | |
2979 | return TRUE; | |
2980 | } | |
2981 | ||
2982 | waddch(view->win, status->status); | |
2983 | if (!selected) | |
2984 | wattrset(view->win, A_NORMAL); | |
2985 | wmove(view->win, lineno, 4); | |
2986 | waddstr(view->win, status->name); | |
2987 | ||
2988 | return TRUE; | |
2989 | } | |
2990 | ||
2991 | static bool | |
2992 | status_enter(struct view *view, struct line *line) | |
2993 | { | |
2994 | struct status *status = line->data; | |
91c5d983 | 2995 | char cmd[SIZEOF_STR]; |
173d76ea | 2996 | char buf[SIZEOF_STR]; |
91c5d983 | 2997 | size_t cmdsize = 0; |
173d76ea JF |
2998 | size_t bufsize = 0; |
2999 | size_t written = 0; | |
3000 | FILE *pipe; | |
3001 | ||
3002 | if (!status) | |
3003 | return TRUE; | |
3004 | ||
91c5d983 JF |
3005 | if (opt_cdup[0] && |
3006 | line->type != LINE_STAT_UNTRACKED && | |
3007 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
3008 | return FALSE; | |
3009 | ||
173d76ea JF |
3010 | switch (line->type) { |
3011 | case LINE_STAT_STAGED: | |
3012 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3013 | status->old.mode, | |
3014 | status->old.rev, | |
3015 | status->name, 0)) | |
3016 | return FALSE; | |
91c5d983 JF |
3017 | |
3018 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3019 | break; |
3020 | ||
3021 | case LINE_STAT_UNSTAGED: | |
3022 | case LINE_STAT_UNTRACKED: | |
3023 | if (!string_format_from(buf, &bufsize, "%s%c", status->name, 0)) | |
3024 | return FALSE; | |
91c5d983 JF |
3025 | |
3026 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3027 | break; |
3028 | ||
3029 | default: | |
3030 | die("w00t"); | |
3031 | } | |
3032 | ||
3033 | pipe = popen(cmd, "w"); | |
3034 | if (!pipe) | |
3035 | return FALSE; | |
3036 | ||
3037 | while (!ferror(pipe) && written < bufsize) { | |
3038 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3039 | } | |
3040 | ||
3041 | pclose(pipe); | |
3042 | ||
3043 | if (written != bufsize) | |
3044 | return FALSE; | |
3045 | ||
3046 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
3047 | return TRUE; | |
3048 | } | |
3049 | ||
3050 | static void | |
3051 | status_select(struct view *view, struct line *line) | |
3052 | { | |
3053 | char *text; | |
3054 | ||
3055 | switch (line->type) { | |
3056 | case LINE_STAT_STAGED: | |
3057 | text = "Press Enter to unstage file for commit"; | |
3058 | break; | |
3059 | ||
3060 | case LINE_STAT_UNSTAGED: | |
3061 | text = "Press Enter to stage file for commit "; | |
3062 | break; | |
3063 | ||
3064 | case LINE_STAT_UNTRACKED: | |
3065 | text = "Press Enter to stage file for addition"; | |
3066 | break; | |
3067 | ||
3068 | case LINE_STAT_NONE: | |
3069 | return; | |
3070 | ||
3071 | default: | |
3072 | die("w00t"); | |
3073 | } | |
3074 | ||
3075 | string_ncopy(view->ref, text, strlen(text)); | |
3076 | } | |
3077 | ||
3078 | static bool | |
3079 | status_grep(struct view *view, struct line *line) | |
3080 | { | |
3081 | struct status *status = line->data; | |
3082 | enum { S_STATUS, S_NAME, S_END } state; | |
3083 | char buf[2] = "?"; | |
3084 | regmatch_t pmatch; | |
3085 | ||
3086 | if (!status) | |
3087 | return FALSE; | |
3088 | ||
3089 | for (state = S_STATUS; state < S_END; state++) { | |
3090 | char *text; | |
3091 | ||
3092 | switch (state) { | |
3093 | case S_NAME: text = status->name; break; | |
3094 | case S_STATUS: | |
3095 | buf[0] = status->status; | |
3096 | text = buf; | |
3097 | break; | |
3098 | ||
3099 | default: | |
3100 | return FALSE; | |
3101 | } | |
3102 | ||
3103 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3104 | return TRUE; | |
3105 | } | |
3106 | ||
3107 | return FALSE; | |
3108 | } | |
3109 | ||
3110 | static struct view_ops status_ops = { | |
3111 | "file", | |
3112 | status_open, | |
3113 | NULL, | |
3114 | status_draw, | |
3115 | status_enter, | |
3116 | status_grep, | |
3117 | status_select, | |
3118 | }; | |
3119 | ||
3120 | ||
3121 | /* | |
ccc33449 | 3122 | * Revision graph |
ff26aa29 JF |
3123 | */ |
3124 | ||
3125 | struct commit { | |
10446330 | 3126 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 3127 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
3128 | char author[75]; /* Author of the commit. */ |
3129 | struct tm time; /* Date from the author ident. */ | |
3130 | struct ref **refs; /* Repository references. */ | |
3131 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
3132 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 3133 | }; |
c34d9c9f | 3134 | |
ccc33449 JF |
3135 | /* Size of rev graph with no "padding" columns */ |
3136 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 3137 | |
2ce5c87c JF |
3138 | struct rev_graph { |
3139 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
3140 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
3141 | size_t size; | |
88757ebd JF |
3142 | struct commit *commit; |
3143 | size_t pos; | |
2b757533 JF |
3144 | }; |
3145 | ||
2b757533 | 3146 | /* Parents of the commit being visualized. */ |
446a5c36 | 3147 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 3148 | |
c65a501a | 3149 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
3150 | static struct rev_graph graph_stacks[4] = { |
3151 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 3152 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
3153 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
3154 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
3155 | }; |
3156 | ||
9e43b9cd | 3157 | static inline bool |
2ce5c87c | 3158 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
3159 | { |
3160 | return graph->parents->size > 1; | |
3161 | } | |
3162 | ||
88757ebd | 3163 | static inline void |
2ce5c87c | 3164 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 3165 | { |
2c27faac JF |
3166 | struct commit *commit = graph->commit; |
3167 | ||
3168 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
3169 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
3170 | } |
3171 | ||
2b757533 | 3172 | static void |
2ce5c87c | 3173 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
3174 | { |
3175 | if (graph_parent_is_merge(graph) && | |
3176 | graph->pos < graph->size - 1 && | |
3177 | graph->next->size == graph->size + graph->parents->size - 1) { | |
3178 | size_t i = graph->pos + graph->parents->size - 1; | |
3179 | ||
3180 | graph->commit->graph_size = i * 2; | |
3181 | while (i < graph->next->size - 1) { | |
3182 | append_to_rev_graph(graph, ' '); | |
3183 | append_to_rev_graph(graph, '\\'); | |
3184 | i++; | |
3185 | } | |
3186 | } | |
3187 | ||
3188 | graph->size = graph->pos = 0; | |
3189 | graph->commit = NULL; | |
3190 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
3191 | } | |
3192 | ||
3193 | static void | |
2ce5c87c | 3194 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 3195 | { |
2fe894e6 JF |
3196 | int i; |
3197 | ||
3198 | /* "Collapse" duplicate parents lines. | |
3199 | * | |
3200 | * FIXME: This needs to also update update the drawn graph but | |
3201 | * for now it just serves as a method for pruning graph lines. */ | |
3202 | for (i = 0; i < graph->size; i++) | |
3203 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
3204 | return; | |
2b757533 | 3205 | |
2ce5c87c | 3206 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 3207 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
3208 | } |
3209 | } | |
3210 | ||
92507a24 JF |
3211 | static chtype |
3212 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 3213 | { |
92507a24 | 3214 | chtype symbol; |
2b757533 | 3215 | |
c65a501a | 3216 | if (graph->parents->size == 0) |
c8d60a25 | 3217 | symbol = REVGRAPH_INIT; |
18ffaa23 | 3218 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 3219 | symbol = REVGRAPH_MERGE; |
c65a501a | 3220 | else if (graph->pos >= graph->size) |
c8d60a25 | 3221 | symbol = REVGRAPH_BRANCH; |
2b757533 | 3222 | else |
c8d60a25 | 3223 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 3224 | |
92507a24 JF |
3225 | return symbol; |
3226 | } | |
3227 | ||
3228 | static void | |
3229 | draw_rev_graph(struct rev_graph *graph) | |
3230 | { | |
e937c2c8 JF |
3231 | struct rev_filler { |
3232 | chtype separator, line; | |
3233 | }; | |
3234 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
3235 | static struct rev_filler fillers[] = { | |
3236 | { ' ', REVGRAPH_LINE }, | |
3237 | { '`', '.' }, | |
3238 | { '\'', ' ' }, | |
3239 | { '/', ' ' }, | |
e937c2c8 | 3240 | }; |
92507a24 | 3241 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 3242 | struct rev_filler *filler; |
92507a24 JF |
3243 | size_t i; |
3244 | ||
e937c2c8 | 3245 | filler = &fillers[DEFAULT]; |
110e948e | 3246 | |
c65a501a | 3247 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 3248 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 3249 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
3250 | graph->prev->pos == i) |
3251 | filler = &fillers[RSHARP]; | |
3252 | ||
3253 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
3254 | } |
3255 | ||
92507a24 | 3256 | /* Place the symbol for this revision. */ |
c65a501a | 3257 | append_to_rev_graph(graph, symbol); |
2b757533 | 3258 | |
e937c2c8 JF |
3259 | if (graph->prev->size > graph->size) |
3260 | filler = &fillers[RDIAG]; | |
3261 | else | |
3262 | filler = &fillers[DEFAULT]; | |
3263 | ||
c8d60a25 | 3264 | i++; |
2b757533 | 3265 | |
c65a501a | 3266 | for (; i < graph->size; i++) { |
e937c2c8 JF |
3267 | append_to_rev_graph(graph, filler->separator); |
3268 | append_to_rev_graph(graph, filler->line); | |
3269 | if (graph_parent_is_merge(graph->prev) && | |
3270 | i < graph->prev->pos + graph->parents->size) | |
3271 | filler = &fillers[RSHARP]; | |
3272 | if (graph->prev->size > graph->size) | |
3273 | filler = &fillers[LDIAG]; | |
c65a501a JF |
3274 | } |
3275 | ||
3276 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
3277 | append_to_rev_graph(graph, filler->separator); |
3278 | if (filler->line != ' ') | |
3279 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 3280 | } |
b5d8f208 JF |
3281 | } |
3282 | ||
61eed810 JF |
3283 | /* Prepare the next rev graph */ |
3284 | static void | |
3285 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 3286 | { |
b5d8f208 JF |
3287 | size_t i; |
3288 | ||
320df4ea | 3289 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
3290 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
3291 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 3292 | break; |
b5d8f208 | 3293 | |
2ce5c87c | 3294 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
3295 | } |
3296 | ||
320df4ea | 3297 | /* Interleave the new revision parent(s). */ |
c65a501a | 3298 | for (i = 0; i < graph->parents->size; i++) |
2ce5c87c | 3299 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 3300 | |
320df4ea | 3301 | /* Lastly, put any remaining revisions. */ |
c65a501a | 3302 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 3303 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
3304 | } |
3305 | ||
3306 | static void | |
3307 | update_rev_graph(struct rev_graph *graph) | |
3308 | { | |
446a5c36 JF |
3309 | /* If this is the finalizing update ... */ |
3310 | if (graph->commit) | |
3311 | prepare_rev_graph(graph); | |
3312 | ||
3313 | /* Graph visualization needs a one rev look-ahead, | |
3314 | * so the first update doesn't visualize anything. */ | |
3315 | if (!graph->prev->commit) | |
3316 | return; | |
c65a501a | 3317 | |
61eed810 JF |
3318 | draw_rev_graph(graph->prev); |
3319 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
3320 | } |
3321 | ||
ccc33449 JF |
3322 | |
3323 | /* | |
3324 | * Main view backend | |
3325 | */ | |
3326 | ||
3327 | static bool | |
3328 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3329 | { | |
3330 | char buf[DATE_COLS + 1]; | |
3331 | struct commit *commit = line->data; | |
3332 | enum line_type type; | |
3333 | int col = 0; | |
3334 | size_t timelen; | |
3335 | size_t authorlen; | |
3336 | int trimmed = 1; | |
3337 | ||
3338 | if (!*commit->author) | |
3339 | return FALSE; | |
3340 | ||
3341 | wmove(view->win, lineno, col); | |
3342 | ||
3343 | if (selected) { | |
3344 | type = LINE_CURSOR; | |
3345 | wattrset(view->win, get_line_attr(type)); | |
3346 | wchgat(view->win, -1, 0, type, NULL); | |
3347 | ||
3348 | } else { | |
3349 | type = LINE_MAIN_COMMIT; | |
3350 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
3351 | } | |
3352 | ||
3353 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
3354 | waddnstr(view->win, buf, timelen); | |
3355 | waddstr(view->win, " "); | |
3356 | ||
3357 | col += DATE_COLS; | |
3358 | wmove(view->win, lineno, col); | |
3359 | if (type != LINE_CURSOR) | |
3360 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
3361 | ||
3362 | if (opt_utf8) { | |
3363 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
3364 | } else { | |
3365 | authorlen = strlen(commit->author); | |
3366 | if (authorlen > AUTHOR_COLS - 2) { | |
3367 | authorlen = AUTHOR_COLS - 2; | |
3368 | trimmed = 1; | |
3369 | } | |
3370 | } | |
3371 | ||
3372 | if (trimmed) { | |
3373 | waddnstr(view->win, commit->author, authorlen); | |
3374 | if (type != LINE_CURSOR) | |
3375 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
3376 | waddch(view->win, '~'); | |
3377 | } else { | |
3378 | waddstr(view->win, commit->author); | |
3379 | } | |
3380 | ||
3381 | col += AUTHOR_COLS; | |
3382 | if (type != LINE_CURSOR) | |
3383 | wattrset(view->win, A_NORMAL); | |
3384 | ||
3385 | if (opt_rev_graph && commit->graph_size) { | |
3386 | size_t i; | |
3387 | ||
3388 | wmove(view->win, lineno, col); | |
3389 | /* Using waddch() instead of waddnstr() ensures that | |
3390 | * they'll be rendered correctly for the cursor line. */ | |
3391 | for (i = 0; i < commit->graph_size; i++) | |
3392 | waddch(view->win, commit->graph[i]); | |
3393 | ||
8716b9ed | 3394 | waddch(view->win, ' '); |
ccc33449 JF |
3395 | col += commit->graph_size + 1; |
3396 | } | |
3397 | ||
3398 | wmove(view->win, lineno, col); | |
3399 | ||
3400 | if (commit->refs) { | |
3401 | size_t i = 0; | |
3402 | ||
3403 | do { | |
3404 | if (type == LINE_CURSOR) | |
3405 | ; | |
3406 | else if (commit->refs[i]->tag) | |
3407 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
3408 | else if (commit->refs[i]->remote) |
3409 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
3410 | else |
3411 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
3412 | waddstr(view->win, "["); | |
3413 | waddstr(view->win, commit->refs[i]->name); | |
3414 | waddstr(view->win, "]"); | |
3415 | if (type != LINE_CURSOR) | |
3416 | wattrset(view->win, A_NORMAL); | |
3417 | waddstr(view->win, " "); | |
3418 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
3419 | } while (commit->refs[i++]->next); | |
3420 | } | |
3421 | ||
3422 | if (type != LINE_CURSOR) | |
3423 | wattrset(view->win, get_line_attr(type)); | |
3424 | ||
3425 | { | |
3426 | int titlelen = strlen(commit->title); | |
3427 | ||
3428 | if (col + titlelen > view->width) | |
3429 | titlelen = view->width - col; | |
3430 | ||
3431 | waddnstr(view->win, commit->title, titlelen); | |
3432 | } | |
3433 | ||
3434 | return TRUE; | |
3435 | } | |
3436 | ||
4c6fabc2 | 3437 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 3438 | static bool |
701e4f5d | 3439 | main_read(struct view *view, char *line) |
22f66b0a | 3440 | { |
2ce5c87c | 3441 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 3442 | enum line_type type; |
0ff3b97c | 3443 | struct commit *commit; |
22f66b0a | 3444 | |
be04d936 | 3445 | if (!line) { |
446a5c36 | 3446 | update_rev_graph(graph); |
be04d936 JF |
3447 | return TRUE; |
3448 | } | |
3449 | ||
3450 | type = get_line_type(line); | |
0ff3b97c | 3451 | if (type == LINE_COMMIT) { |
22f66b0a JF |
3452 | commit = calloc(1, sizeof(struct commit)); |
3453 | if (!commit) | |
3454 | return FALSE; | |
3455 | ||
0ff3b97c | 3456 | string_copy_rev(commit->id, line + STRING_SIZE("commit ")); |
c34d9c9f | 3457 | commit->refs = get_refs(commit->id); |
c65a501a | 3458 | graph->commit = commit; |
e314c36d | 3459 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
3460 | return TRUE; |
3461 | } | |
2b757533 | 3462 | |
0ff3b97c JF |
3463 | if (!view->lines) |
3464 | return TRUE; | |
3465 | commit = view->line[view->lines - 1].data; | |
3466 | ||
3467 | switch (type) { | |
2b757533 | 3468 | case LINE_PARENT: |
0ff3b97c | 3469 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 3470 | break; |
22f66b0a | 3471 | |
8855ada4 | 3472 | case LINE_AUTHOR: |
b76c2afc | 3473 | { |
19c3ac60 JF |
3474 | /* Parse author lines where the name may be empty: |
3475 | * author <email@address.tld> 1138474660 +0100 | |
3476 | */ | |
4c6fabc2 | 3477 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
3478 | char *nameend = strchr(ident, '<'); |
3479 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 3480 | |
0ff3b97c | 3481 | if (!nameend || !emailend) |
fe7233c3 JF |
3482 | break; |
3483 | ||
c65a501a JF |
3484 | update_rev_graph(graph); |
3485 | graph = graph->next; | |
2b757533 | 3486 | |
19c3ac60 JF |
3487 | *nameend = *emailend = 0; |
3488 | ident = chomp_string(ident); | |
3489 | if (!*ident) { | |
3490 | ident = chomp_string(nameend + 1); | |
3491 | if (!*ident) | |
3492 | ident = "Unknown"; | |
b76c2afc JF |
3493 | } |
3494 | ||
739e81de | 3495 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 3496 | |
4c6fabc2 | 3497 | /* Parse epoch and timezone */ |
19c3ac60 JF |
3498 | if (emailend[1] == ' ') { |
3499 | char *secs = emailend + 2; | |
3500 | char *zone = strchr(secs, ' '); | |
3501 | time_t time = (time_t) atol(secs); | |
b76c2afc | 3502 | |
4c6fabc2 | 3503 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
3504 | long tz; |
3505 | ||
3506 | zone++; | |
3507 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
3508 | tz += ('0' - zone[2]) * 60 * 60; | |
3509 | tz += ('0' - zone[3]) * 60; | |
3510 | tz += ('0' - zone[4]) * 60; | |
3511 | ||
3512 | if (zone[0] == '-') | |
3513 | tz = -tz; | |
3514 | ||
3515 | time -= tz; | |
3516 | } | |
19c3ac60 | 3517 | |
b76c2afc JF |
3518 | gmtime_r(&time, &commit->time); |
3519 | } | |
3520 | break; | |
3521 | } | |
78c70acd | 3522 | default: |
2e8488b4 | 3523 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
3524 | if (commit->title[0]) |
3525 | break; | |
3526 | ||
3527 | /* Require titles to start with a non-space character at the | |
3528 | * offset used by git log. */ | |
9073c64a JF |
3529 | if (strncmp(line, " ", 4)) |
3530 | break; | |
3531 | line += 4; | |
3532 | /* Well, if the title starts with a whitespace character, | |
3533 | * try to be forgiving. Otherwise we end up with no title. */ | |
3534 | while (isspace(*line)) | |
3535 | line++; | |
3536 | if (*line == '\0') | |
82e78006 | 3537 | break; |
9073c64a JF |
3538 | /* FIXME: More graceful handling of titles; append "..." to |
3539 | * shortened titles, etc. */ | |
82e78006 | 3540 | |
739e81de | 3541 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
3542 | } |
3543 | ||
3544 | return TRUE; | |
3545 | } | |
3546 | ||
6b161b31 | 3547 | static bool |
fe7233c3 | 3548 | main_enter(struct view *view, struct line *line) |
b801d8b2 | 3549 | { |
b3a54cba JF |
3550 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
3551 | ||
3552 | open_view(view, REQ_VIEW_DIFF, flags); | |
6b161b31 | 3553 | return TRUE; |
b801d8b2 JF |
3554 | } |
3555 | ||
4af34daa JF |
3556 | static bool |
3557 | main_grep(struct view *view, struct line *line) | |
3558 | { | |
3559 | struct commit *commit = line->data; | |
3560 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
3561 | char buf[DATE_COLS + 1]; | |
3562 | regmatch_t pmatch; | |
3563 | ||
3564 | for (state = S_TITLE; state < S_END; state++) { | |
3565 | char *text; | |
3566 | ||
3567 | switch (state) { | |
3568 | case S_TITLE: text = commit->title; break; | |
3569 | case S_AUTHOR: text = commit->author; break; | |
3570 | case S_DATE: | |
3571 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
3572 | continue; | |
3573 | text = buf; | |
3574 | break; | |
3575 | ||
3576 | default: | |
3577 | return FALSE; | |
3578 | } | |
3579 | ||
b77b2cb8 | 3580 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
3581 | return TRUE; |
3582 | } | |
3583 | ||
3584 | return FALSE; | |
3585 | } | |
3586 | ||
d720de4b JF |
3587 | static void |
3588 | main_select(struct view *view, struct line *line) | |
3589 | { | |
3590 | struct commit *commit = line->data; | |
3591 | ||
2463b4ea JF |
3592 | string_copy_rev(view->ref, commit->id); |
3593 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
3594 | } |
3595 | ||
6b161b31 | 3596 | static struct view_ops main_ops = { |
6734f6b9 | 3597 | "commit", |
f098944b | 3598 | NULL, |
6b161b31 | 3599 | main_read, |
f098944b | 3600 | main_draw, |
6b161b31 | 3601 | main_enter, |
4af34daa | 3602 | main_grep, |
d720de4b | 3603 | main_select, |
6b161b31 | 3604 | }; |
2e8488b4 | 3605 | |
c34d9c9f | 3606 | |
6b161b31 | 3607 | /* |
10e290ee JF |
3608 | * Unicode / UTF-8 handling |
3609 | * | |
3610 | * NOTE: Much of the following code for dealing with unicode is derived from | |
3611 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
3612 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
3613 | */ | |
3614 | ||
3615 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
3616 | * confident that the approach taken by this small UTF-8 interface is correct. | |
3617 | * --jonas */ | |
3618 | ||
3619 | static inline int | |
3620 | unicode_width(unsigned long c) | |
3621 | { | |
3622 | if (c >= 0x1100 && | |
3623 | (c <= 0x115f /* Hangul Jamo */ | |
3624 | || c == 0x2329 | |
3625 | || c == 0x232a | |
3626 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 3627 | /* CJK ... Yi */ |
10e290ee JF |
3628 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
3629 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
3630 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
3631 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
3632 | || (c >= 0xffe0 && c <= 0xffe6) | |
3633 | || (c >= 0x20000 && c <= 0x2fffd) | |
3634 | || (c >= 0x30000 && c <= 0x3fffd))) | |
3635 | return 2; | |
3636 | ||
3637 | return 1; | |
3638 | } | |
3639 | ||
3640 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
3641 | * Illegal bytes are set one. */ | |
3642 | static const unsigned char utf8_bytes[256] = { | |
3643 | 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, | |
3644 | 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, | |
3645 | 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, | |
3646 | 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, | |
3647 | 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, | |
3648 | 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, | |
3649 | 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, | |
3650 | 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, | |
3651 | }; | |
3652 | ||
3653 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
3654 | static inline unsigned long | |
3655 | utf8_to_unicode(const char *string, size_t length) | |
3656 | { | |
3657 | unsigned long unicode; | |
3658 | ||
3659 | switch (length) { | |
3660 | case 1: | |
3661 | unicode = string[0]; | |
3662 | break; | |
3663 | case 2: | |
3664 | unicode = (string[0] & 0x1f) << 6; | |
3665 | unicode += (string[1] & 0x3f); | |
3666 | break; | |
3667 | case 3: | |
3668 | unicode = (string[0] & 0x0f) << 12; | |
3669 | unicode += ((string[1] & 0x3f) << 6); | |
3670 | unicode += (string[2] & 0x3f); | |
3671 | break; | |
3672 | case 4: | |
3673 | unicode = (string[0] & 0x0f) << 18; | |
3674 | unicode += ((string[1] & 0x3f) << 12); | |
3675 | unicode += ((string[2] & 0x3f) << 6); | |
3676 | unicode += (string[3] & 0x3f); | |
3677 | break; | |
3678 | case 5: | |
3679 | unicode = (string[0] & 0x0f) << 24; | |
3680 | unicode += ((string[1] & 0x3f) << 18); | |
3681 | unicode += ((string[2] & 0x3f) << 12); | |
3682 | unicode += ((string[3] & 0x3f) << 6); | |
3683 | unicode += (string[4] & 0x3f); | |
3684 | break; | |
68b6e0eb | 3685 | case 6: |
10e290ee JF |
3686 | unicode = (string[0] & 0x01) << 30; |
3687 | unicode += ((string[1] & 0x3f) << 24); | |
3688 | unicode += ((string[2] & 0x3f) << 18); | |
3689 | unicode += ((string[3] & 0x3f) << 12); | |
3690 | unicode += ((string[4] & 0x3f) << 6); | |
3691 | unicode += (string[5] & 0x3f); | |
3692 | break; | |
3693 | default: | |
3694 | die("Invalid unicode length"); | |
3695 | } | |
3696 | ||
3697 | /* Invalid characters could return the special 0xfffd value but NUL | |
3698 | * should be just as good. */ | |
3699 | return unicode > 0xffff ? 0 : unicode; | |
3700 | } | |
3701 | ||
3702 | /* Calculates how much of string can be shown within the given maximum width | |
3703 | * and sets trimmed parameter to non-zero value if all of string could not be | |
3704 | * shown. | |
3705 | * | |
3706 | * Additionally, adds to coloffset how many many columns to move to align with | |
3707 | * the expected position. Takes into account how multi-byte and double-width | |
3708 | * characters will effect the cursor position. | |
3709 | * | |
3710 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
3711 | static size_t | |
3712 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
3713 | { | |
3714 | const char *start = string; | |
3715 | const char *end = strchr(string, '\0'); | |
3716 | size_t mbwidth = 0; | |
3717 | size_t width = 0; | |
3718 | ||
3719 | *trimmed = 0; | |
3720 | ||
3721 | while (string < end) { | |
3722 | int c = *(unsigned char *) string; | |
3723 | unsigned char bytes = utf8_bytes[c]; | |
3724 | size_t ucwidth; | |
3725 | unsigned long unicode; | |
3726 | ||
3727 | if (string + bytes > end) | |
3728 | break; | |
3729 | ||
3730 | /* Change representation to figure out whether | |
3731 | * it is a single- or double-width character. */ | |
3732 | ||
3733 | unicode = utf8_to_unicode(string, bytes); | |
3734 | /* FIXME: Graceful handling of invalid unicode character. */ | |
3735 | if (!unicode) | |
3736 | break; | |
3737 | ||
3738 | ucwidth = unicode_width(unicode); | |
3739 | width += ucwidth; | |
3740 | if (width > max_width) { | |
3741 | *trimmed = 1; | |
3742 | break; | |
3743 | } | |
3744 | ||
3745 | /* The column offset collects the differences between the | |
3746 | * number of bytes encoding a character and the number of | |
3747 | * columns will be used for rendering said character. | |
3748 | * | |
3749 | * So if some character A is encoded in 2 bytes, but will be | |
3750 | * represented on the screen using only 1 byte this will and up | |
3751 | * adding 1 to the multi-byte column offset. | |
3752 | * | |
3753 | * Assumes that no double-width character can be encoding in | |
3754 | * less than two bytes. */ | |
3755 | if (bytes > ucwidth) | |
3756 | mbwidth += bytes - ucwidth; | |
3757 | ||
3758 | string += bytes; | |
3759 | } | |
3760 | ||
3761 | *coloffset += mbwidth; | |
3762 | ||
3763 | return string - start; | |
3764 | } | |
3765 | ||
3766 | ||
3767 | /* | |
6b161b31 JF |
3768 | * Status management |
3769 | */ | |
2e8488b4 | 3770 | |
8855ada4 | 3771 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 3772 | static bool cursed = FALSE; |
8855ada4 | 3773 | |
6b161b31 JF |
3774 | /* The status window is used for polling keystrokes. */ |
3775 | static WINDOW *status_win; | |
4a2909a7 | 3776 | |
21be28fb JF |
3777 | static bool status_empty = TRUE; |
3778 | ||
2e8488b4 | 3779 | /* Update status and title window. */ |
4a2909a7 JF |
3780 | static void |
3781 | report(const char *msg, ...) | |
3782 | { | |
6706b2ba | 3783 | struct view *view = display[current_view]; |
b76c2afc | 3784 | |
ab4af23e JF |
3785 | if (input_mode) |
3786 | return; | |
3787 | ||
21be28fb | 3788 | if (!status_empty || *msg) { |
6706b2ba | 3789 | va_list args; |
4a2909a7 | 3790 | |
6706b2ba | 3791 | va_start(args, msg); |
4b76734f | 3792 | |
6706b2ba JF |
3793 | wmove(status_win, 0, 0); |
3794 | if (*msg) { | |
3795 | vwprintw(status_win, msg, args); | |
21be28fb | 3796 | status_empty = FALSE; |
6706b2ba | 3797 | } else { |
21be28fb | 3798 | status_empty = TRUE; |
6706b2ba | 3799 | } |
390a8262 | 3800 | wclrtoeol(status_win); |
6706b2ba | 3801 | wrefresh(status_win); |
b801d8b2 | 3802 | |
6706b2ba JF |
3803 | va_end(args); |
3804 | } | |
3805 | ||
3806 | update_view_title(view); | |
2bee3bde | 3807 | update_display_cursor(view); |
b801d8b2 JF |
3808 | } |
3809 | ||
6b161b31 JF |
3810 | /* Controls when nodelay should be in effect when polling user input. */ |
3811 | static void | |
1ba2ae4b | 3812 | set_nonblocking_input(bool loading) |
b801d8b2 | 3813 | { |
6706b2ba | 3814 | static unsigned int loading_views; |
b801d8b2 | 3815 | |
6706b2ba JF |
3816 | if ((loading == FALSE && loading_views-- == 1) || |
3817 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 3818 | nodelay(status_win, loading); |
6b161b31 JF |
3819 | } |
3820 | ||
3821 | static void | |
3822 | init_display(void) | |
3823 | { | |
3824 | int x, y; | |
b76c2afc | 3825 | |
6908bdbd JF |
3826 | /* Initialize the curses library */ |
3827 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 3828 | cursed = !!initscr(); |
6908bdbd JF |
3829 | } else { |
3830 | /* Leave stdin and stdout alone when acting as a pager. */ | |
3831 | FILE *io = fopen("/dev/tty", "r+"); | |
3832 | ||
e6f60674 JF |
3833 | if (!io) |
3834 | die("Failed to open /dev/tty"); | |
8855ada4 | 3835 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
3836 | } |
3837 | ||
8855ada4 JF |
3838 | if (!cursed) |
3839 | die("Failed to initialize curses"); | |
3840 | ||
2e8488b4 JF |
3841 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
3842 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
3843 | noecho(); /* Don't echo input */ | |
b801d8b2 | 3844 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
3845 | |
3846 | if (has_colors()) | |
3847 | init_colors(); | |
3848 | ||
3849 | getmaxyx(stdscr, y, x); | |
3850 | status_win = newwin(1, 0, y - 1, 0); | |
3851 | if (!status_win) | |
3852 | die("Failed to create status window"); | |
3853 | ||
3854 | /* Enable keyboard mapping */ | |
3855 | keypad(status_win, TRUE); | |
78c70acd | 3856 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
3857 | } |
3858 | ||
4af34daa | 3859 | static char * |
cb9e48c1 | 3860 | read_prompt(const char *prompt) |
ef5404a4 JF |
3861 | { |
3862 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 3863 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
3864 | int pos = 0; |
3865 | ||
3866 | while (status == READING) { | |
3867 | struct view *view; | |
3868 | int i, key; | |
3869 | ||
ab4af23e JF |
3870 | input_mode = TRUE; |
3871 | ||
699ae55b | 3872 | foreach_view (view, i) |
ef5404a4 JF |
3873 | update_view(view); |
3874 | ||
ab4af23e JF |
3875 | input_mode = FALSE; |
3876 | ||
3877 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
3878 | wclrtoeol(status_win); | |
3879 | ||
ef5404a4 JF |
3880 | /* Refresh, accept single keystroke of input */ |
3881 | key = wgetch(status_win); | |
3882 | switch (key) { | |
3883 | case KEY_RETURN: | |
3884 | case KEY_ENTER: | |
3885 | case '\n': | |
3886 | status = pos ? STOP : CANCEL; | |
3887 | break; | |
3888 | ||
3889 | case KEY_BACKSPACE: | |
3890 | if (pos > 0) | |
3891 | pos--; | |
3892 | else | |
3893 | status = CANCEL; | |
3894 | break; | |
3895 | ||
3896 | case KEY_ESC: | |
3897 | status = CANCEL; | |
3898 | break; | |
3899 | ||
3900 | case ERR: | |
3901 | break; | |
3902 | ||
3903 | default: | |
3904 | if (pos >= sizeof(buf)) { | |
3905 | report("Input string too long"); | |
9e21ce5c | 3906 | return NULL; |
ef5404a4 JF |
3907 | } |
3908 | ||
3909 | if (isprint(key)) | |
3910 | buf[pos++] = (char) key; | |
3911 | } | |
3912 | } | |
3913 | ||
7a06ebdf JF |
3914 | /* Clear the status window */ |
3915 | status_empty = FALSE; | |
3916 | report(""); | |
3917 | ||
3918 | if (status == CANCEL) | |
9e21ce5c | 3919 | return NULL; |
ef5404a4 JF |
3920 | |
3921 | buf[pos++] = 0; | |
ef5404a4 | 3922 | |
9e21ce5c | 3923 | return buf; |
ef5404a4 | 3924 | } |
c34d9c9f JF |
3925 | |
3926 | /* | |
3927 | * Repository references | |
3928 | */ | |
3929 | ||
3930 | static struct ref *refs; | |
3a91b75e | 3931 | static size_t refs_size; |
c34d9c9f | 3932 | |
1307df1a JF |
3933 | /* Id <-> ref store */ |
3934 | static struct ref ***id_refs; | |
3935 | static size_t id_refs_size; | |
3936 | ||
c34d9c9f JF |
3937 | static struct ref ** |
3938 | get_refs(char *id) | |
3939 | { | |
1307df1a JF |
3940 | struct ref ***tmp_id_refs; |
3941 | struct ref **ref_list = NULL; | |
3942 | size_t ref_list_size = 0; | |
c34d9c9f JF |
3943 | size_t i; |
3944 | ||
1307df1a JF |
3945 | for (i = 0; i < id_refs_size; i++) |
3946 | if (!strcmp(id, id_refs[i][0]->id)) | |
3947 | return id_refs[i]; | |
3948 | ||
3949 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
3950 | if (!tmp_id_refs) | |
3951 | return NULL; | |
3952 | ||
3953 | id_refs = tmp_id_refs; | |
3954 | ||
c34d9c9f JF |
3955 | for (i = 0; i < refs_size; i++) { |
3956 | struct ref **tmp; | |
3957 | ||
3958 | if (strcmp(id, refs[i].id)) | |
3959 | continue; | |
3960 | ||
1307df1a | 3961 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 3962 | if (!tmp) { |
1307df1a JF |
3963 | if (ref_list) |
3964 | free(ref_list); | |
c34d9c9f JF |
3965 | return NULL; |
3966 | } | |
3967 | ||
1307df1a JF |
3968 | ref_list = tmp; |
3969 | if (ref_list_size > 0) | |
3970 | ref_list[ref_list_size - 1]->next = 1; | |
3971 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
3972 | |
3973 | /* XXX: The properties of the commit chains ensures that we can | |
3974 | * safely modify the shared ref. The repo references will | |
3975 | * always be similar for the same id. */ | |
1307df1a JF |
3976 | ref_list[ref_list_size]->next = 0; |
3977 | ref_list_size++; | |
c34d9c9f JF |
3978 | } |
3979 | ||
1307df1a JF |
3980 | if (ref_list) |
3981 | id_refs[id_refs_size++] = ref_list; | |
3982 | ||
3983 | return ref_list; | |
c34d9c9f JF |
3984 | } |
3985 | ||
3986 | static int | |
5699e0cf | 3987 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 3988 | { |
d0cea5f9 JF |
3989 | struct ref *ref; |
3990 | bool tag = FALSE; | |
e15ec88e | 3991 | bool remote = FALSE; |
d0cea5f9 | 3992 | |
8b0297ae JF |
3993 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
3994 | /* Commits referenced by tags has "^{}" appended. */ | |
3995 | if (name[namelen - 1] != '}') | |
3996 | return OK; | |
3997 | ||
d0cea5f9 JF |
3998 | while (namelen > 0 && name[namelen] != '^') |
3999 | namelen--; | |
c34d9c9f | 4000 | |
d0cea5f9 | 4001 | tag = TRUE; |
8b0297ae JF |
4002 | namelen -= STRING_SIZE("refs/tags/"); |
4003 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4004 | |
e15ec88e JF |
4005 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4006 | remote = TRUE; | |
4007 | namelen -= STRING_SIZE("refs/remotes/"); | |
4008 | name += STRING_SIZE("refs/remotes/"); | |
4009 | ||
d0cea5f9 | 4010 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4011 | namelen -= STRING_SIZE("refs/heads/"); |
4012 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4013 | |
d0cea5f9 JF |
4014 | } else if (!strcmp(name, "HEAD")) { |
4015 | return OK; | |
4016 | } | |
6706b2ba | 4017 | |
d0cea5f9 JF |
4018 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
4019 | if (!refs) | |
4020 | return ERR; | |
c34d9c9f | 4021 | |
d0cea5f9 | 4022 | ref = &refs[refs_size++]; |
8b0297ae | 4023 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4024 | if (!ref->name) |
4025 | return ERR; | |
3af8774e | 4026 | |
8b0297ae JF |
4027 | strncpy(ref->name, name, namelen); |
4028 | ref->name[namelen] = 0; | |
d0cea5f9 | 4029 | ref->tag = tag; |
e15ec88e | 4030 | ref->remote = remote; |
2463b4ea | 4031 | string_copy_rev(ref->id, id); |
3af8774e | 4032 | |
d0cea5f9 JF |
4033 | return OK; |
4034 | } | |
c34d9c9f | 4035 | |
d0cea5f9 JF |
4036 | static int |
4037 | load_refs(void) | |
4038 | { | |
4039 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4040 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4041 | |
4a63c884 | 4042 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4043 | } |
c34d9c9f | 4044 | |
d0cea5f9 | 4045 | static int |
5699e0cf | 4046 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4047 | { |
22913179 | 4048 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4049 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4050 | |
c34d9c9f JF |
4051 | return OK; |
4052 | } | |
4053 | ||
4670cf89 | 4054 | static int |
14c778a6 | 4055 | load_repo_config(void) |
4670cf89 | 4056 | { |
66749723 | 4057 | return read_properties(popen("git repo-config --list", "r"), |
14c778a6 | 4058 | "=", read_repo_config_option); |
d0cea5f9 JF |
4059 | } |
4060 | ||
4061 | static int | |
5699e0cf | 4062 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 JF |
4063 | { |
4064 | if (!opt_cdup[0]) | |
739e81de | 4065 | string_ncopy(opt_cdup, name, namelen); |
91c5d983 JF |
4066 | return OK; |
4067 | } | |
4068 | ||
4069 | static int | |
4070 | load_repo_info(void) | |
4071 | { | |
4072 | return read_properties(popen("git rev-parse --show-cdup", "r"), | |
4073 | "=", read_repo_info); | |
4074 | } | |
4075 | ||
4076 | static int | |
4a63c884 | 4077 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 4078 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 4079 | { |
4670cf89 JF |
4080 | char buffer[BUFSIZ]; |
4081 | char *name; | |
d0cea5f9 | 4082 | int state = OK; |
4670cf89 JF |
4083 | |
4084 | if (!pipe) | |
4085 | return ERR; | |
4086 | ||
d0cea5f9 | 4087 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
4088 | char *value; |
4089 | size_t namelen; | |
4090 | size_t valuelen; | |
4670cf89 | 4091 | |
4a63c884 JF |
4092 | name = chomp_string(name); |
4093 | namelen = strcspn(name, separators); | |
4094 | ||
4095 | if (name[namelen]) { | |
4096 | name[namelen] = 0; | |
4097 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 4098 | valuelen = strlen(value); |
4670cf89 | 4099 | |
d0cea5f9 | 4100 | } else { |
d0cea5f9 JF |
4101 | value = ""; |
4102 | valuelen = 0; | |
4670cf89 | 4103 | } |
d0cea5f9 | 4104 | |
3c3801c2 | 4105 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
4106 | } |
4107 | ||
d0cea5f9 JF |
4108 | if (state != ERR && ferror(pipe)) |
4109 | state = ERR; | |
4670cf89 JF |
4110 | |
4111 | pclose(pipe); | |
4112 | ||
d0cea5f9 | 4113 | return state; |
4670cf89 JF |
4114 | } |
4115 | ||
d0cea5f9 | 4116 | |
6b161b31 JF |
4117 | /* |
4118 | * Main | |
4119 | */ | |
4120 | ||
b5c9e67f | 4121 | static void __NORETURN |
6b161b31 JF |
4122 | quit(int sig) |
4123 | { | |
8855ada4 JF |
4124 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
4125 | if (cursed) | |
4126 | endwin(); | |
6b161b31 JF |
4127 | exit(0); |
4128 | } | |
4129 | ||
c6704a4e JF |
4130 | static void __NORETURN |
4131 | die(const char *err, ...) | |
6b161b31 JF |
4132 | { |
4133 | va_list args; | |
4134 | ||
4135 | endwin(); | |
4136 | ||
4137 | va_start(args, err); | |
4138 | fputs("tig: ", stderr); | |
4139 | vfprintf(stderr, err, args); | |
4140 | fputs("\n", stderr); | |
4141 | va_end(args); | |
4142 | ||
4143 | exit(1); | |
4144 | } | |
4145 | ||
4146 | int | |
4147 | main(int argc, char *argv[]) | |
4148 | { | |
1ba2ae4b | 4149 | struct view *view; |
6b161b31 | 4150 | enum request request; |
1ba2ae4b | 4151 | size_t i; |
6b161b31 JF |
4152 | |
4153 | signal(SIGINT, quit); | |
4154 | ||
6b68fd24 | 4155 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
4156 | char *codeset = nl_langinfo(CODESET); |
4157 | ||
4158 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
4159 | } |
4160 | ||
660e09ad JF |
4161 | if (load_options() == ERR) |
4162 | die("Failed to load user config."); | |
4163 | ||
4164 | /* Load the repo config file so options can be overwritten from | |
739e81de | 4165 | * the command line. */ |
14c778a6 | 4166 | if (load_repo_config() == ERR) |
afdc35b3 | 4167 | die("Failed to load repo config."); |
91c5d983 JF |
4168 | |
4169 | if (load_repo_info() == ERR) | |
4170 | die("Failed to load repo info."); | |
afdc35b3 | 4171 | |
8855ada4 | 4172 | if (!parse_options(argc, argv)) |
6b161b31 JF |
4173 | return 0; |
4174 | ||
6b68fd24 JF |
4175 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
4176 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 4177 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
4178 | die("Failed to initialize character set conversion"); |
4179 | } | |
4180 | ||
c34d9c9f JF |
4181 | if (load_refs() == ERR) |
4182 | die("Failed to load refs."); | |
4183 | ||
7bb55251 JF |
4184 | /* Require a git repository unless when running in pager mode. */ |
4185 | if (refs_size == 0 && opt_request != REQ_VIEW_PAGER) | |
4186 | die("Not a git repository"); | |
4187 | ||
1ba2ae4b JF |
4188 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
4189 | view->cmd_env = getenv(view->cmd_env); | |
4190 | ||
6b161b31 JF |
4191 | request = opt_request; |
4192 | ||
4193 | init_display(); | |
b801d8b2 JF |
4194 | |
4195 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 4196 | int key; |
b801d8b2 JF |
4197 | int i; |
4198 | ||
699ae55b | 4199 | foreach_view (view, i) |
6b161b31 | 4200 | update_view(view); |
b801d8b2 JF |
4201 | |
4202 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 4203 | key = wgetch(status_win); |
04e2b7b2 | 4204 | |
cf4d82e6 JF |
4205 | /* wgetch() with nodelay() enabled returns ERR when there's no |
4206 | * input. */ | |
4207 | if (key == ERR) { | |
4208 | request = REQ_NONE; | |
8b534a13 | 4209 | continue; |
cf4d82e6 | 4210 | } |
04e2b7b2 JF |
4211 | |
4212 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 4213 | |
6706b2ba | 4214 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
4215 | * status_win restricted. */ |
4216 | switch (request) { | |
4217 | case REQ_PROMPT: | |
9e21ce5c JF |
4218 | { |
4219 | char *cmd = read_prompt(":"); | |
4220 | ||
4221 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
4222 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
4223 | opt_request = REQ_VIEW_DIFF; | |
4224 | } else { | |
4225 | opt_request = REQ_VIEW_PAGER; | |
4226 | } | |
4227 | break; | |
4228 | } | |
fac7db6c | 4229 | |
1d754561 | 4230 | request = REQ_NONE; |
9e21ce5c JF |
4231 | break; |
4232 | } | |
4af34daa JF |
4233 | case REQ_SEARCH: |
4234 | case REQ_SEARCH_BACK: | |
4235 | { | |
4236 | const char *prompt = request == REQ_SEARCH | |
4237 | ? "/" : "?"; | |
4238 | char *search = read_prompt(prompt); | |
4239 | ||
4240 | if (search) | |
739e81de | 4241 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
4242 | else |
4243 | request = REQ_NONE; | |
4244 | break; | |
4245 | } | |
fac7db6c JF |
4246 | case REQ_SCREEN_RESIZE: |
4247 | { | |
4248 | int height, width; | |
4249 | ||
4250 | getmaxyx(stdscr, height, width); | |
4251 | ||
4252 | /* Resize the status view and let the view driver take | |
4253 | * care of resizing the displayed views. */ | |
4254 | wresize(status_win, 1, width); | |
4255 | mvwin(status_win, height - 1, 0); | |
4256 | wrefresh(status_win); | |
4257 | break; | |
4258 | } | |
4259 | default: | |
4260 | break; | |
03a93dbb | 4261 | } |
b801d8b2 JF |
4262 | } |
4263 | ||
4264 | quit(0); | |
4265 | ||
4266 | return 0; | |
4267 | } |