Commit | Line | Data |
---|---|---|
53924375 | 1 | /* Copyright (c) 2006-2007 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 | |
776bf2ac JF |
14 | #ifdef HAVE_CONFIG_H |
15 | #include "config.h" | |
16 | #endif | |
17 | ||
ec31d0d0 SG |
18 | #ifndef TIG_VERSION |
19 | #define TIG_VERSION "unknown-version" | |
b76c2afc JF |
20 | #endif |
21 | ||
8855ada4 JF |
22 | #ifndef DEBUG |
23 | #define NDEBUG | |
24 | #endif | |
25 | ||
22f66b0a | 26 | #include <assert.h> |
4c6fabc2 | 27 | #include <errno.h> |
22f66b0a JF |
28 | #include <ctype.h> |
29 | #include <signal.h> | |
b801d8b2 | 30 | #include <stdarg.h> |
b801d8b2 | 31 | #include <stdio.h> |
22f66b0a | 32 | #include <stdlib.h> |
b801d8b2 | 33 | #include <string.h> |
810f0078 JF |
34 | #include <sys/types.h> |
35 | #include <sys/stat.h> | |
6908bdbd | 36 | #include <unistd.h> |
b76c2afc | 37 | #include <time.h> |
b801d8b2 | 38 | |
4af34daa JF |
39 | #include <regex.h> |
40 | ||
6b68fd24 JF |
41 | #include <locale.h> |
42 | #include <langinfo.h> | |
43 | #include <iconv.h> | |
44 | ||
b801d8b2 | 45 | #include <curses.h> |
b801d8b2 | 46 | |
e2da526d JF |
47 | #if __GNUC__ >= 3 |
48 | #define __NORETURN __attribute__((__noreturn__)) | |
49 | #else | |
50 | #define __NORETURN | |
51 | #endif | |
52 | ||
53 | static void __NORETURN die(const char *err, ...); | |
b801d8b2 | 54 | static void report(const char *msg, ...); |
5699e0cf | 55 | static int read_properties(FILE *pipe, const char *separators, int (*read)(char *, size_t, char *, size_t)); |
1ba2ae4b | 56 | static void set_nonblocking_input(bool loading); |
10e290ee | 57 | static size_t utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed); |
6b161b31 JF |
58 | |
59 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
60 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
61 | ||
62 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
63 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
b76c2afc | 64 | |
17482b11 | 65 | #define SIZEOF_STR 1024 /* Default string size. */ |
2e8488b4 | 66 | #define SIZEOF_REF 256 /* Size of symbolic or SHA1 ID. */ |
10446330 | 67 | #define SIZEOF_REV 41 /* Holds a SHA-1 and an ending NUL */ |
c8d60a25 JF |
68 | |
69 | /* Revision graph */ | |
70 | ||
71 | #define REVGRAPH_INIT 'I' | |
72 | #define REVGRAPH_MERGE 'M' | |
73 | #define REVGRAPH_BRANCH '+' | |
74 | #define REVGRAPH_COMMIT '*' | |
75 | #define REVGRAPH_LINE '|' | |
76 | ||
54efb62b | 77 | #define SIZEOF_REVGRAPH 19 /* Size of revision ancestry graphics. */ |
b801d8b2 | 78 | |
82e78006 JF |
79 | /* This color name can be used to refer to the default term colors. */ |
80 | #define COLOR_DEFAULT (-1) | |
78c70acd | 81 | |
6b68fd24 | 82 | #define ICONV_NONE ((iconv_t) -1) |
58a5e4ea JF |
83 | #ifndef ICONV_CONST |
84 | #define ICONV_CONST /* nothing */ | |
85 | #endif | |
6b68fd24 | 86 | |
82e78006 | 87 | /* The format and size of the date column in the main view. */ |
4c6fabc2 | 88 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
6b161b31 | 89 | #define DATE_COLS STRING_SIZE("2006-04-29 14:21 ") |
4c6fabc2 | 90 | |
10e290ee JF |
91 | #define AUTHOR_COLS 20 |
92 | ||
a28bcc22 | 93 | /* The default interval between line numbers. */ |
4a2909a7 | 94 | #define NUMBER_INTERVAL 1 |
82e78006 | 95 | |
6706b2ba JF |
96 | #define TABSIZE 8 |
97 | ||
a28bcc22 JF |
98 | #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) |
99 | ||
96e58f5b | 100 | #ifndef GIT_CONFIG |
da633326 | 101 | #define GIT_CONFIG "git config" |
96e58f5b JF |
102 | #endif |
103 | ||
8eb62770 | 104 | #define TIG_LS_REMOTE \ |
337d7377 | 105 | "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" |
8eb62770 JF |
106 | |
107 | #define TIG_DIFF_CMD \ | |
73fb51d5 | 108 | "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" |
8eb62770 JF |
109 | |
110 | #define TIG_LOG_CMD \ | |
8fee6614 | 111 | "git log --cc --stat -n100 %s 2>/dev/null" |
8eb62770 JF |
112 | |
113 | #define TIG_MAIN_CMD \ | |
8fee6614 | 114 | "git log --topo-order --pretty=raw %s 2>/dev/null" |
8eb62770 | 115 | |
e733ee54 JF |
116 | #define TIG_TREE_CMD \ |
117 | "git ls-tree %s %s" | |
118 | ||
119 | #define TIG_BLOB_CMD \ | |
120 | "git cat-file blob %s" | |
121 | ||
8eb62770 JF |
122 | /* XXX: Needs to be defined to the empty string. */ |
123 | #define TIG_HELP_CMD "" | |
124 | #define TIG_PAGER_CMD "" | |
173d76ea | 125 | #define TIG_STATUS_CMD "" |
3e634113 | 126 | #define TIG_STAGE_CMD "" |
8eb62770 | 127 | |
8855ada4 | 128 | /* Some ascii-shorthands fitted into the ncurses namespace. */ |
a28bcc22 JF |
129 | #define KEY_TAB '\t' |
130 | #define KEY_RETURN '\r' | |
4a2909a7 JF |
131 | #define KEY_ESC 27 |
132 | ||
6706b2ba | 133 | |
c34d9c9f | 134 | struct ref { |
468876c9 | 135 | char *name; /* Ref name; tag or head names are shortened. */ |
10446330 | 136 | char id[SIZEOF_REV]; /* Commit SHA1 ID */ |
468876c9 | 137 | unsigned int tag:1; /* Is it a tag? */ |
e15ec88e | 138 | unsigned int remote:1; /* Is it a remote ref? */ |
468876c9 | 139 | unsigned int next:1; /* For ref lists: are there more refs? */ |
c34d9c9f JF |
140 | }; |
141 | ||
ff26aa29 | 142 | static struct ref **get_refs(char *id); |
4c6fabc2 | 143 | |
660e09ad JF |
144 | struct int_map { |
145 | const char *name; | |
146 | int namelen; | |
147 | int value; | |
148 | }; | |
149 | ||
150 | static int | |
151 | set_from_int_map(struct int_map *map, size_t map_size, | |
152 | int *value, const char *name, int namelen) | |
153 | { | |
154 | ||
155 | int i; | |
156 | ||
157 | for (i = 0; i < map_size; i++) | |
158 | if (namelen == map[i].namelen && | |
159 | !strncasecmp(name, map[i].name, namelen)) { | |
160 | *value = map[i].value; | |
161 | return OK; | |
162 | } | |
163 | ||
164 | return ERR; | |
165 | } | |
166 | ||
6706b2ba | 167 | |
03a93dbb JF |
168 | /* |
169 | * String helpers | |
170 | */ | |
78c70acd | 171 | |
82e78006 | 172 | static inline void |
9a48919b | 173 | string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen) |
82e78006 | 174 | { |
9a48919b JF |
175 | if (srclen > dstlen - 1) |
176 | srclen = dstlen - 1; | |
03a93dbb | 177 | |
9a48919b JF |
178 | strncpy(dst, src, srclen); |
179 | dst[srclen] = 0; | |
82e78006 JF |
180 | } |
181 | ||
9a48919b JF |
182 | /* Shorthands for safely copying into a fixed buffer. */ |
183 | ||
82e78006 | 184 | #define string_copy(dst, src) \ |
751e27c9 | 185 | string_ncopy_do(dst, sizeof(dst), src, sizeof(src)) |
9a48919b JF |
186 | |
187 | #define string_ncopy(dst, src, srclen) \ | |
188 | string_ncopy_do(dst, sizeof(dst), src, srclen) | |
82e78006 | 189 | |
2463b4ea JF |
190 | #define string_copy_rev(dst, src) \ |
191 | string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1) | |
192 | ||
91c5d983 JF |
193 | #define string_add(dst, from, src) \ |
194 | string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src)) | |
195 | ||
4a63c884 JF |
196 | static char * |
197 | chomp_string(char *name) | |
198 | { | |
199 | int namelen; | |
200 | ||
201 | while (isspace(*name)) | |
202 | name++; | |
203 | ||
204 | namelen = strlen(name) - 1; | |
205 | while (namelen > 0 && isspace(name[namelen])) | |
206 | name[namelen--] = 0; | |
207 | ||
208 | return name; | |
209 | } | |
210 | ||
cc2d1364 | 211 | static bool |
d65ced0d | 212 | string_nformat(char *buf, size_t bufsize, size_t *bufpos, const char *fmt, ...) |
cc2d1364 JF |
213 | { |
214 | va_list args; | |
d65ced0d | 215 | size_t pos = bufpos ? *bufpos : 0; |
cc2d1364 JF |
216 | |
217 | va_start(args, fmt); | |
218 | pos += vsnprintf(buf + pos, bufsize - pos, fmt, args); | |
219 | va_end(args); | |
220 | ||
221 | if (bufpos) | |
222 | *bufpos = pos; | |
223 | ||
224 | return pos >= bufsize ? FALSE : TRUE; | |
225 | } | |
226 | ||
227 | #define string_format(buf, fmt, args...) \ | |
228 | string_nformat(buf, sizeof(buf), NULL, fmt, args) | |
229 | ||
230 | #define string_format_from(buf, from, fmt, args...) \ | |
231 | string_nformat(buf, sizeof(buf), from, fmt, args) | |
6706b2ba | 232 | |
201f5a18 JF |
233 | static int |
234 | string_enum_compare(const char *str1, const char *str2, int len) | |
235 | { | |
236 | size_t i; | |
237 | ||
238 | #define string_enum_sep(x) ((x) == '-' || (x) == '_' || (x) == '.') | |
239 | ||
240 | /* Diff-Header == DIFF_HEADER */ | |
241 | for (i = 0; i < len; i++) { | |
242 | if (toupper(str1[i]) == toupper(str2[i])) | |
243 | continue; | |
244 | ||
245 | if (string_enum_sep(str1[i]) && | |
246 | string_enum_sep(str2[i])) | |
247 | continue; | |
248 | ||
249 | return str1[i] - str2[i]; | |
250 | } | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
03a93dbb JF |
255 | /* Shell quoting |
256 | * | |
257 | * NOTE: The following is a slightly modified copy of the git project's shell | |
258 | * quoting routines found in the quote.c file. | |
259 | * | |
260 | * Help to copy the thing properly quoted for the shell safety. any single | |
261 | * quote is replaced with '\'', any exclamation point is replaced with '\!', | |
262 | * and the whole thing is enclosed in a | |
263 | * | |
264 | * E.g. | |
265 | * original sq_quote result | |
266 | * name ==> name ==> 'name' | |
267 | * a b ==> a b ==> 'a b' | |
268 | * a'b ==> a'\''b ==> 'a'\''b' | |
269 | * a!b ==> a'\!'b ==> 'a'\!'b' | |
270 | */ | |
271 | ||
272 | static size_t | |
17482b11 | 273 | sq_quote(char buf[SIZEOF_STR], size_t bufsize, const char *src) |
03a93dbb JF |
274 | { |
275 | char c; | |
276 | ||
17482b11 | 277 | #define BUFPUT(x) do { if (bufsize < SIZEOF_STR) buf[bufsize++] = (x); } while (0) |
03a93dbb JF |
278 | |
279 | BUFPUT('\''); | |
280 | while ((c = *src++)) { | |
281 | if (c == '\'' || c == '!') { | |
282 | BUFPUT('\''); | |
283 | BUFPUT('\\'); | |
284 | BUFPUT(c); | |
285 | BUFPUT('\''); | |
286 | } else { | |
287 | BUFPUT(c); | |
288 | } | |
289 | } | |
290 | BUFPUT('\''); | |
291 | ||
f0f114ac JF |
292 | if (bufsize < SIZEOF_STR) |
293 | buf[bufsize] = 0; | |
294 | ||
03a93dbb JF |
295 | return bufsize; |
296 | } | |
297 | ||
82e78006 | 298 | |
24b5b3e0 JF |
299 | /* |
300 | * User requests | |
301 | */ | |
302 | ||
303 | #define REQ_INFO \ | |
304 | /* XXX: Keep the view request first and in sync with views[]. */ \ | |
305 | REQ_GROUP("View switching") \ | |
306 | REQ_(VIEW_MAIN, "Show main view"), \ | |
307 | REQ_(VIEW_DIFF, "Show diff view"), \ | |
308 | REQ_(VIEW_LOG, "Show log view"), \ | |
e733ee54 JF |
309 | REQ_(VIEW_TREE, "Show tree view"), \ |
310 | REQ_(VIEW_BLOB, "Show blob view"), \ | |
24b5b3e0 JF |
311 | REQ_(VIEW_HELP, "Show help page"), \ |
312 | REQ_(VIEW_PAGER, "Show pager view"), \ | |
173d76ea | 313 | REQ_(VIEW_STATUS, "Show status view"), \ |
3e634113 | 314 | REQ_(VIEW_STAGE, "Show stage view"), \ |
24b5b3e0 JF |
315 | \ |
316 | REQ_GROUP("View manipulation") \ | |
317 | REQ_(ENTER, "Enter current line and scroll"), \ | |
318 | REQ_(NEXT, "Move to next"), \ | |
319 | REQ_(PREVIOUS, "Move to previous"), \ | |
320 | REQ_(VIEW_NEXT, "Move focus to next view"), \ | |
321 | REQ_(VIEW_CLOSE, "Close the current view"), \ | |
322 | REQ_(QUIT, "Close all views and quit"), \ | |
323 | \ | |
324 | REQ_GROUP("Cursor navigation") \ | |
325 | REQ_(MOVE_UP, "Move cursor one line up"), \ | |
326 | REQ_(MOVE_DOWN, "Move cursor one line down"), \ | |
327 | REQ_(MOVE_PAGE_DOWN, "Move cursor one page down"), \ | |
328 | REQ_(MOVE_PAGE_UP, "Move cursor one page up"), \ | |
329 | REQ_(MOVE_FIRST_LINE, "Move cursor to first line"), \ | |
330 | REQ_(MOVE_LAST_LINE, "Move cursor to last line"), \ | |
331 | \ | |
332 | REQ_GROUP("Scrolling") \ | |
333 | REQ_(SCROLL_LINE_UP, "Scroll one line up"), \ | |
334 | REQ_(SCROLL_LINE_DOWN, "Scroll one line down"), \ | |
335 | REQ_(SCROLL_PAGE_UP, "Scroll one page up"), \ | |
336 | REQ_(SCROLL_PAGE_DOWN, "Scroll one page down"), \ | |
337 | \ | |
4af34daa JF |
338 | REQ_GROUP("Searching") \ |
339 | REQ_(SEARCH, "Search the view"), \ | |
340 | REQ_(SEARCH_BACK, "Search backwards in the view"), \ | |
341 | REQ_(FIND_NEXT, "Find next search match"), \ | |
342 | REQ_(FIND_PREV, "Find previous search match"), \ | |
343 | \ | |
24b5b3e0 | 344 | REQ_GROUP("Misc") \ |
1d754561 | 345 | REQ_(NONE, "Do nothing"), \ |
24b5b3e0 | 346 | REQ_(PROMPT, "Bring up the prompt"), \ |
24b5b3e0 JF |
347 | REQ_(SCREEN_REDRAW, "Redraw the screen"), \ |
348 | REQ_(SCREEN_RESIZE, "Resize the screen"), \ | |
349 | REQ_(SHOW_VERSION, "Show version information"), \ | |
350 | REQ_(STOP_LOADING, "Stop all loading views"), \ | |
54efb62b | 351 | REQ_(TOGGLE_LINENO, "Toggle line numbers"), \ |
ca1d71ea | 352 | REQ_(TOGGLE_REV_GRAPH, "Toggle revision graph visualization"), \ |
0cea0d43 | 353 | REQ_(STATUS_UPDATE, "Update file status"), \ |
226da94b JF |
354 | REQ_(EDIT, "Open in editor"), \ |
355 | REQ_(CHERRY_PICK, "Cherry-pick commit to current branch") | |
24b5b3e0 JF |
356 | |
357 | ||
358 | /* User action requests. */ | |
359 | enum request { | |
360 | #define REQ_GROUP(help) | |
361 | #define REQ_(req, help) REQ_##req | |
362 | ||
363 | /* Offset all requests to avoid conflicts with ncurses getch values. */ | |
364 | REQ_OFFSET = KEY_MAX + 1, | |
04e2b7b2 JF |
365 | REQ_INFO, |
366 | REQ_UNKNOWN, | |
24b5b3e0 JF |
367 | |
368 | #undef REQ_GROUP | |
369 | #undef REQ_ | |
370 | }; | |
371 | ||
372 | struct request_info { | |
373 | enum request request; | |
04e2b7b2 JF |
374 | char *name; |
375 | int namelen; | |
24b5b3e0 JF |
376 | char *help; |
377 | }; | |
378 | ||
379 | static struct request_info req_info[] = { | |
04e2b7b2 JF |
380 | #define REQ_GROUP(help) { 0, NULL, 0, (help) }, |
381 | #define REQ_(req, help) { REQ_##req, (#req), STRING_SIZE(#req), (help) } | |
24b5b3e0 JF |
382 | REQ_INFO |
383 | #undef REQ_GROUP | |
384 | #undef REQ_ | |
385 | }; | |
386 | ||
04e2b7b2 JF |
387 | static enum request |
388 | get_request(const char *name) | |
389 | { | |
390 | int namelen = strlen(name); | |
391 | int i; | |
392 | ||
393 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
394 | if (req_info[i].namelen == namelen && | |
395 | !string_enum_compare(req_info[i].name, name, namelen)) | |
396 | return req_info[i].request; | |
397 | ||
398 | return REQ_UNKNOWN; | |
399 | } | |
400 | ||
401 | ||
8eb62770 JF |
402 | /* |
403 | * Options | |
404 | */ | |
b76c2afc | 405 | |
4b8c01a3 | 406 | static const char usage[] = |
ec31d0d0 | 407 | "tig " TIG_VERSION " (" __DATE__ ")\n" |
4b8c01a3 JF |
408 | "\n" |
409 | "Usage: tig [options]\n" | |
410 | " or: tig [options] [--] [git log options]\n" | |
411 | " or: tig [options] log [git log options]\n" | |
412 | " or: tig [options] diff [git diff options]\n" | |
413 | " or: tig [options] show [git show options]\n" | |
414 | " or: tig [options] < [git command output]\n" | |
415 | "\n" | |
416 | "Options:\n" | |
417 | " -l Start up in log view\n" | |
418 | " -d Start up in diff view\n" | |
173d76ea | 419 | " -S Start up in status view\n" |
4b8c01a3 | 420 | " -n[I], --line-number[=I] Show line numbers with given interval\n" |
b3c965c9 | 421 | " -b[N], --tab-size[=N] Set number of spaces for tab expansion\n" |
4b8c01a3 JF |
422 | " -- Mark end of tig options\n" |
423 | " -v, --version Show version and exit\n" | |
424 | " -h, --help Show help message and exit\n"; | |
425 | ||
6706b2ba | 426 | /* Option and state variables. */ |
92d30f5c | 427 | static bool opt_line_number = FALSE; |
11ce319e | 428 | static bool opt_rev_graph = FALSE; |
92d30f5c JF |
429 | static int opt_num_interval = NUMBER_INTERVAL; |
430 | static int opt_tab_size = TABSIZE; | |
431 | static enum request opt_request = REQ_VIEW_MAIN; | |
432 | static char opt_cmd[SIZEOF_STR] = ""; | |
e733ee54 | 433 | static char opt_path[SIZEOF_STR] = ""; |
92d30f5c JF |
434 | static FILE *opt_pipe = NULL; |
435 | static char opt_encoding[20] = "UTF-8"; | |
436 | static bool opt_utf8 = TRUE; | |
437 | static char opt_codeset[20] = "UTF-8"; | |
438 | static iconv_t opt_iconv = ICONV_NONE; | |
439 | static char opt_search[SIZEOF_STR] = ""; | |
91c5d983 | 440 | static char opt_cdup[SIZEOF_STR] = ""; |
810f0078 | 441 | static char opt_git_dir[SIZEOF_STR] = ""; |
0cea0d43 | 442 | static char opt_editor[SIZEOF_STR] = ""; |
b76c2afc | 443 | |
6dbf6c19 JF |
444 | enum option_type { |
445 | OPT_NONE, | |
446 | OPT_INT, | |
447 | }; | |
448 | ||
449 | static bool | |
450 | check_option(char *opt, char short_name, char *name, enum option_type type, ...) | |
451 | { | |
452 | va_list args; | |
453 | char *value = ""; | |
454 | int *number; | |
455 | ||
456 | if (opt[0] != '-') | |
457 | return FALSE; | |
458 | ||
459 | if (opt[1] == '-') { | |
460 | int namelen = strlen(name); | |
461 | ||
462 | opt += 2; | |
463 | ||
464 | if (strncmp(opt, name, namelen)) | |
465 | return FALSE; | |
466 | ||
467 | if (opt[namelen] == '=') | |
468 | value = opt + namelen + 1; | |
469 | ||
470 | } else { | |
471 | if (!short_name || opt[1] != short_name) | |
472 | return FALSE; | |
473 | value = opt + 2; | |
474 | } | |
475 | ||
476 | va_start(args, type); | |
477 | if (type == OPT_INT) { | |
478 | number = va_arg(args, int *); | |
479 | if (isdigit(*value)) | |
480 | *number = atoi(value); | |
481 | } | |
482 | va_end(args); | |
483 | ||
484 | return TRUE; | |
485 | } | |
486 | ||
b76c2afc | 487 | /* Returns the index of log or diff command or -1 to exit. */ |
8855ada4 | 488 | static bool |
b76c2afc JF |
489 | parse_options(int argc, char *argv[]) |
490 | { | |
491 | int i; | |
492 | ||
493 | for (i = 1; i < argc; i++) { | |
494 | char *opt = argv[i]; | |
495 | ||
3621d94e JF |
496 | if (!strcmp(opt, "log") || |
497 | !strcmp(opt, "diff") || | |
498 | !strcmp(opt, "show")) { | |
499 | opt_request = opt[0] == 'l' | |
500 | ? REQ_VIEW_LOG : REQ_VIEW_DIFF; | |
501 | break; | |
502 | } | |
503 | ||
8d27b36e JF |
504 | if (opt[0] && opt[0] != '-') |
505 | break; | |
506 | ||
6b161b31 | 507 | if (!strcmp(opt, "-l")) { |
4a2909a7 | 508 | opt_request = REQ_VIEW_LOG; |
6b161b31 JF |
509 | continue; |
510 | } | |
b76c2afc | 511 | |
6b161b31 | 512 | if (!strcmp(opt, "-d")) { |
4a2909a7 | 513 | opt_request = REQ_VIEW_DIFF; |
6b161b31 JF |
514 | continue; |
515 | } | |
b76c2afc | 516 | |
173d76ea JF |
517 | if (!strcmp(opt, "-S")) { |
518 | opt_request = REQ_VIEW_STATUS; | |
bdcc0d6b | 519 | continue; |
173d76ea JF |
520 | } |
521 | ||
6dbf6c19 | 522 | if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) { |
6b161b31 JF |
523 | opt_line_number = TRUE; |
524 | continue; | |
525 | } | |
b76c2afc | 526 | |
6dbf6c19 JF |
527 | if (check_option(opt, 'b', "tab-size", OPT_INT, &opt_tab_size)) { |
528 | opt_tab_size = MIN(opt_tab_size, TABSIZE); | |
6706b2ba JF |
529 | continue; |
530 | } | |
531 | ||
6dbf6c19 | 532 | if (check_option(opt, 'v', "version", OPT_NONE)) { |
ec31d0d0 | 533 | printf("tig version %s\n", TIG_VERSION); |
8855ada4 | 534 | return FALSE; |
6b161b31 | 535 | } |
b76c2afc | 536 | |
6dbf6c19 | 537 | if (check_option(opt, 'h', "help", OPT_NONE)) { |
4b8c01a3 JF |
538 | printf(usage); |
539 | return FALSE; | |
540 | } | |
541 | ||
6908bdbd JF |
542 | if (!strcmp(opt, "--")) { |
543 | i++; | |
544 | break; | |
545 | } | |
03a93dbb | 546 | |
bf174187 | 547 | die("unknown option '%s'\n\n%s", opt, usage); |
b76c2afc JF |
548 | } |
549 | ||
6908bdbd | 550 | if (!isatty(STDIN_FILENO)) { |
6908bdbd JF |
551 | opt_request = REQ_VIEW_PAGER; |
552 | opt_pipe = stdin; | |
553 | ||
554 | } else if (i < argc) { | |
555 | size_t buf_size; | |
556 | ||
6908bdbd | 557 | if (opt_request == REQ_VIEW_MAIN) |
8855ada4 JF |
558 | /* XXX: This is vulnerable to the user overriding |
559 | * options required for the main view parser. */ | |
832a47c4 | 560 | string_copy(opt_cmd, "git log --pretty=raw"); |
6908bdbd JF |
561 | else |
562 | string_copy(opt_cmd, "git"); | |
563 | buf_size = strlen(opt_cmd); | |
564 | ||
565 | while (buf_size < sizeof(opt_cmd) && i < argc) { | |
566 | opt_cmd[buf_size++] = ' '; | |
567 | buf_size = sq_quote(opt_cmd, buf_size, argv[i++]); | |
568 | } | |
569 | ||
570 | if (buf_size >= sizeof(opt_cmd)) | |
571 | die("command too long"); | |
572 | ||
573 | opt_cmd[buf_size] = 0; | |
6908bdbd JF |
574 | } |
575 | ||
afdc35b3 JF |
576 | if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) |
577 | opt_utf8 = FALSE; | |
578 | ||
8855ada4 | 579 | return TRUE; |
b76c2afc JF |
580 | } |
581 | ||
582 | ||
54efb62b JF |
583 | /* |
584 | * Line-oriented content detection. | |
585 | */ | |
586 | ||
2e8488b4 | 587 | #define LINE_INFO \ |
660e09ad | 588 | LINE(DIFF_HEADER, "diff --git ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
589 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
590 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
591 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_DEFAULT, 0), \ | |
660e09ad JF |
592 | LINE(DIFF_INDEX, "index ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
593 | LINE(DIFF_OLDMODE, "old file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
594 | LINE(DIFF_NEWMODE, "new file mode ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
595 | LINE(DIFF_COPY_FROM, "copy from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
596 | LINE(DIFF_COPY_TO, "copy to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
597 | LINE(DIFF_RENAME_FROM, "rename from", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
598 | LINE(DIFF_RENAME_TO, "rename to", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
599 | LINE(DIFF_SIMILARITY, "similarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
600 | LINE(DIFF_DISSIMILARITY,"dissimilarity ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
601 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
6908bdbd | 602 | LINE(PP_AUTHOR, "Author: ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
8855ada4 | 603 | LINE(PP_COMMIT, "Commit: ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
6908bdbd JF |
604 | LINE(PP_MERGE, "Merge: ", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
605 | LINE(PP_DATE, "Date: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
8855ada4 JF |
606 | LINE(PP_ADATE, "AuthorDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
607 | LINE(PP_CDATE, "CommitDate: ", COLOR_YELLOW, COLOR_DEFAULT, 0), \ | |
7b99a34c | 608 | LINE(PP_REFS, "Refs: ", COLOR_RED, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
609 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_DEFAULT, 0), \ |
610 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
611 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_DEFAULT, 0), \ | |
8855ada4 | 612 | LINE(AUTHOR, "author ", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
a28bcc22 | 613 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
a28bcc22 | 614 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
d4d8de8f | 615 | LINE(ACKED, " Acked-by", COLOR_YELLOW, COLOR_DEFAULT, 0), \ |
a28bcc22 JF |
616 | LINE(DEFAULT, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
617 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), \ | |
618 | LINE(STATUS, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
6b161b31 JF |
619 | LINE(TITLE_BLUR, "", COLOR_WHITE, COLOR_BLUE, 0), \ |
620 | LINE(TITLE_FOCUS, "", COLOR_WHITE, COLOR_BLUE, A_BOLD), \ | |
a28bcc22 JF |
621 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_DEFAULT, 0), \ |
622 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ | |
623 | LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ | |
c34d9c9f JF |
624 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
625 | LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ | |
e15ec88e | 626 | LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \ |
660e09ad | 627 | LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \ |
e733ee54 | 628 | LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
173d76ea | 629 | LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \ |
53924375 | 630 | LINE(STAT_SECTION, "", COLOR_CYAN, COLOR_DEFAULT, 0), \ |
173d76ea | 631 | LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ |
53924375 JF |
632 | LINE(STAT_STAGED, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ |
633 | LINE(STAT_UNSTAGED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ | |
173d76ea | 634 | LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0) |
660e09ad | 635 | |
78c70acd | 636 | enum line_type { |
2e8488b4 JF |
637 | #define LINE(type, line, fg, bg, attr) \ |
638 | LINE_##type | |
639 | LINE_INFO | |
640 | #undef LINE | |
78c70acd JF |
641 | }; |
642 | ||
643 | struct line_info { | |
660e09ad JF |
644 | const char *name; /* Option name. */ |
645 | int namelen; /* Size of option name. */ | |
4685845e | 646 | const char *line; /* The start of line to match. */ |
2e8488b4 JF |
647 | int linelen; /* Size of string to match. */ |
648 | int fg, bg, attr; /* Color and text attributes for the lines. */ | |
78c70acd JF |
649 | }; |
650 | ||
2e8488b4 | 651 | static struct line_info line_info[] = { |
78c70acd | 652 | #define LINE(type, line, fg, bg, attr) \ |
660e09ad | 653 | { #type, STRING_SIZE(#type), (line), STRING_SIZE(line), (fg), (bg), (attr) } |
2e8488b4 JF |
654 | LINE_INFO |
655 | #undef LINE | |
78c70acd JF |
656 | }; |
657 | ||
2e8488b4 JF |
658 | static enum line_type |
659 | get_line_type(char *line) | |
78c70acd JF |
660 | { |
661 | int linelen = strlen(line); | |
a28bcc22 | 662 | enum line_type type; |
78c70acd | 663 | |
a28bcc22 | 664 | for (type = 0; type < ARRAY_SIZE(line_info); type++) |
2e8488b4 | 665 | /* Case insensitive search matches Signed-off-by lines better. */ |
a28bcc22 JF |
666 | if (linelen >= line_info[type].linelen && |
667 | !strncasecmp(line_info[type].line, line, line_info[type].linelen)) | |
668 | return type; | |
78c70acd | 669 | |
2e8488b4 | 670 | return LINE_DEFAULT; |
78c70acd JF |
671 | } |
672 | ||
2e8488b4 | 673 | static inline int |
78c70acd JF |
674 | get_line_attr(enum line_type type) |
675 | { | |
2e8488b4 JF |
676 | assert(type < ARRAY_SIZE(line_info)); |
677 | return COLOR_PAIR(type) | line_info[type].attr; | |
78c70acd JF |
678 | } |
679 | ||
660e09ad JF |
680 | static struct line_info * |
681 | get_line_info(char *name, int namelen) | |
682 | { | |
683 | enum line_type type; | |
660e09ad JF |
684 | |
685 | for (type = 0; type < ARRAY_SIZE(line_info); type++) | |
686 | if (namelen == line_info[type].namelen && | |
201f5a18 | 687 | !string_enum_compare(line_info[type].name, name, namelen)) |
660e09ad JF |
688 | return &line_info[type]; |
689 | ||
690 | return NULL; | |
691 | } | |
692 | ||
78c70acd JF |
693 | static void |
694 | init_colors(void) | |
695 | { | |
82e78006 JF |
696 | int default_bg = COLOR_BLACK; |
697 | int default_fg = COLOR_WHITE; | |
a28bcc22 | 698 | enum line_type type; |
78c70acd JF |
699 | |
700 | start_color(); | |
701 | ||
702 | if (use_default_colors() != ERR) { | |
82e78006 JF |
703 | default_bg = -1; |
704 | default_fg = -1; | |
78c70acd JF |
705 | } |
706 | ||
a28bcc22 JF |
707 | for (type = 0; type < ARRAY_SIZE(line_info); type++) { |
708 | struct line_info *info = &line_info[type]; | |
82e78006 JF |
709 | int bg = info->bg == COLOR_DEFAULT ? default_bg : info->bg; |
710 | int fg = info->fg == COLOR_DEFAULT ? default_fg : info->fg; | |
78c70acd | 711 | |
a28bcc22 | 712 | init_pair(type, fg, bg); |
78c70acd JF |
713 | } |
714 | } | |
715 | ||
fe7233c3 JF |
716 | struct line { |
717 | enum line_type type; | |
3c571d67 JF |
718 | |
719 | /* State flags */ | |
720 | unsigned int selected:1; | |
721 | ||
fe7233c3 JF |
722 | void *data; /* User data */ |
723 | }; | |
724 | ||
78c70acd | 725 | |
1899507c | 726 | /* |
37157fa0 JF |
727 | * Keys |
728 | */ | |
729 | ||
93a97d86 | 730 | struct keybinding { |
37157fa0 | 731 | int alias; |
93a97d86 | 732 | enum request request; |
04e2b7b2 | 733 | struct keybinding *next; |
37157fa0 JF |
734 | }; |
735 | ||
93a97d86 | 736 | static struct keybinding default_keybindings[] = { |
37157fa0 JF |
737 | /* View switching */ |
738 | { 'm', REQ_VIEW_MAIN }, | |
739 | { 'd', REQ_VIEW_DIFF }, | |
740 | { 'l', REQ_VIEW_LOG }, | |
e733ee54 | 741 | { 't', REQ_VIEW_TREE }, |
0001fc34 | 742 | { 'f', REQ_VIEW_BLOB }, |
37157fa0 JF |
743 | { 'p', REQ_VIEW_PAGER }, |
744 | { 'h', REQ_VIEW_HELP }, | |
173d76ea | 745 | { 'S', REQ_VIEW_STATUS }, |
3e634113 | 746 | { 'c', REQ_VIEW_STAGE }, |
37157fa0 JF |
747 | |
748 | /* View manipulation */ | |
749 | { 'q', REQ_VIEW_CLOSE }, | |
750 | { KEY_TAB, REQ_VIEW_NEXT }, | |
751 | { KEY_RETURN, REQ_ENTER }, | |
752 | { KEY_UP, REQ_PREVIOUS }, | |
753 | { KEY_DOWN, REQ_NEXT }, | |
754 | ||
755 | /* Cursor navigation */ | |
756 | { 'k', REQ_MOVE_UP }, | |
757 | { 'j', REQ_MOVE_DOWN }, | |
758 | { KEY_HOME, REQ_MOVE_FIRST_LINE }, | |
759 | { KEY_END, REQ_MOVE_LAST_LINE }, | |
760 | { KEY_NPAGE, REQ_MOVE_PAGE_DOWN }, | |
761 | { ' ', REQ_MOVE_PAGE_DOWN }, | |
762 | { KEY_PPAGE, REQ_MOVE_PAGE_UP }, | |
763 | { 'b', REQ_MOVE_PAGE_UP }, | |
764 | { '-', REQ_MOVE_PAGE_UP }, | |
765 | ||
766 | /* Scrolling */ | |
767 | { KEY_IC, REQ_SCROLL_LINE_UP }, | |
768 | { KEY_DC, REQ_SCROLL_LINE_DOWN }, | |
769 | { 'w', REQ_SCROLL_PAGE_UP }, | |
770 | { 's', REQ_SCROLL_PAGE_DOWN }, | |
771 | ||
4af34daa JF |
772 | /* Searching */ |
773 | { '/', REQ_SEARCH }, | |
774 | { '?', REQ_SEARCH_BACK }, | |
775 | { 'n', REQ_FIND_NEXT }, | |
776 | { 'N', REQ_FIND_PREV }, | |
777 | ||
37157fa0 JF |
778 | /* Misc */ |
779 | { 'Q', REQ_QUIT }, | |
780 | { 'z', REQ_STOP_LOADING }, | |
781 | { 'v', REQ_SHOW_VERSION }, | |
782 | { 'r', REQ_SCREEN_REDRAW }, | |
904e68d8 | 783 | { '.', REQ_TOGGLE_LINENO }, |
73fb51d5 | 784 | { 'g', REQ_TOGGLE_REV_GRAPH }, |
37157fa0 | 785 | { ':', REQ_PROMPT }, |
ca1d71ea | 786 | { 'u', REQ_STATUS_UPDATE }, |
0cea0d43 | 787 | { 'e', REQ_EDIT }, |
226da94b | 788 | { 'C', REQ_CHERRY_PICK }, |
37157fa0 | 789 | |
1d754561 | 790 | /* Using the ncurses SIGWINCH handler. */ |
37157fa0 JF |
791 | { KEY_RESIZE, REQ_SCREEN_RESIZE }, |
792 | }; | |
793 | ||
04e2b7b2 JF |
794 | #define KEYMAP_INFO \ |
795 | KEYMAP_(GENERIC), \ | |
796 | KEYMAP_(MAIN), \ | |
797 | KEYMAP_(DIFF), \ | |
798 | KEYMAP_(LOG), \ | |
e733ee54 JF |
799 | KEYMAP_(TREE), \ |
800 | KEYMAP_(BLOB), \ | |
04e2b7b2 | 801 | KEYMAP_(PAGER), \ |
173d76ea | 802 | KEYMAP_(HELP), \ |
3e634113 JF |
803 | KEYMAP_(STATUS), \ |
804 | KEYMAP_(STAGE) | |
04e2b7b2 JF |
805 | |
806 | enum keymap { | |
807 | #define KEYMAP_(name) KEYMAP_##name | |
808 | KEYMAP_INFO | |
809 | #undef KEYMAP_ | |
810 | }; | |
811 | ||
812 | static struct int_map keymap_table[] = { | |
813 | #define KEYMAP_(name) { #name, STRING_SIZE(#name), KEYMAP_##name } | |
814 | KEYMAP_INFO | |
815 | #undef KEYMAP_ | |
816 | }; | |
817 | ||
818 | #define set_keymap(map, name) \ | |
819 | set_from_int_map(keymap_table, ARRAY_SIZE(keymap_table), map, name, strlen(name)) | |
820 | ||
821 | static struct keybinding *keybindings[ARRAY_SIZE(keymap_table)]; | |
822 | ||
823 | static void | |
824 | add_keybinding(enum keymap keymap, enum request request, int key) | |
825 | { | |
826 | struct keybinding *keybinding; | |
827 | ||
828 | keybinding = calloc(1, sizeof(*keybinding)); | |
829 | if (!keybinding) | |
830 | die("Failed to allocate keybinding"); | |
831 | ||
832 | keybinding->alias = key; | |
833 | keybinding->request = request; | |
834 | keybinding->next = keybindings[keymap]; | |
835 | keybindings[keymap] = keybinding; | |
836 | } | |
837 | ||
838 | /* Looks for a key binding first in the given map, then in the generic map, and | |
839 | * lastly in the default keybindings. */ | |
37157fa0 | 840 | static enum request |
04e2b7b2 | 841 | get_keybinding(enum keymap keymap, int key) |
37157fa0 | 842 | { |
04e2b7b2 | 843 | struct keybinding *kbd; |
37157fa0 JF |
844 | int i; |
845 | ||
04e2b7b2 JF |
846 | for (kbd = keybindings[keymap]; kbd; kbd = kbd->next) |
847 | if (kbd->alias == key) | |
848 | return kbd->request; | |
849 | ||
850 | for (kbd = keybindings[KEYMAP_GENERIC]; kbd; kbd = kbd->next) | |
851 | if (kbd->alias == key) | |
852 | return kbd->request; | |
853 | ||
93a97d86 JF |
854 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) |
855 | if (default_keybindings[i].alias == key) | |
856 | return default_keybindings[i].request; | |
37157fa0 JF |
857 | |
858 | return (enum request) key; | |
859 | } | |
860 | ||
93a97d86 | 861 | |
37157fa0 JF |
862 | struct key { |
863 | char *name; | |
864 | int value; | |
865 | }; | |
866 | ||
867 | static struct key key_table[] = { | |
868 | { "Enter", KEY_RETURN }, | |
869 | { "Space", ' ' }, | |
870 | { "Backspace", KEY_BACKSPACE }, | |
871 | { "Tab", KEY_TAB }, | |
872 | { "Escape", KEY_ESC }, | |
873 | { "Left", KEY_LEFT }, | |
874 | { "Right", KEY_RIGHT }, | |
875 | { "Up", KEY_UP }, | |
876 | { "Down", KEY_DOWN }, | |
877 | { "Insert", KEY_IC }, | |
878 | { "Delete", KEY_DC }, | |
74f83ee6 | 879 | { "Hash", '#' }, |
37157fa0 JF |
880 | { "Home", KEY_HOME }, |
881 | { "End", KEY_END }, | |
882 | { "PageUp", KEY_PPAGE }, | |
883 | { "PageDown", KEY_NPAGE }, | |
884 | { "F1", KEY_F(1) }, | |
885 | { "F2", KEY_F(2) }, | |
886 | { "F3", KEY_F(3) }, | |
887 | { "F4", KEY_F(4) }, | |
888 | { "F5", KEY_F(5) }, | |
889 | { "F6", KEY_F(6) }, | |
890 | { "F7", KEY_F(7) }, | |
891 | { "F8", KEY_F(8) }, | |
892 | { "F9", KEY_F(9) }, | |
893 | { "F10", KEY_F(10) }, | |
894 | { "F11", KEY_F(11) }, | |
895 | { "F12", KEY_F(12) }, | |
896 | }; | |
897 | ||
04e2b7b2 JF |
898 | static int |
899 | get_key_value(const char *name) | |
900 | { | |
901 | int i; | |
902 | ||
903 | for (i = 0; i < ARRAY_SIZE(key_table); i++) | |
904 | if (!strcasecmp(key_table[i].name, name)) | |
905 | return key_table[i].value; | |
906 | ||
907 | if (strlen(name) == 1 && isprint(*name)) | |
908 | return (int) *name; | |
909 | ||
910 | return ERR; | |
911 | } | |
912 | ||
37157fa0 JF |
913 | static char * |
914 | get_key(enum request request) | |
915 | { | |
916 | static char buf[BUFSIZ]; | |
917 | static char key_char[] = "'X'"; | |
d65ced0d | 918 | size_t pos = 0; |
520094b4 | 919 | char *sep = ""; |
37157fa0 JF |
920 | int i; |
921 | ||
922 | buf[pos] = 0; | |
923 | ||
93a97d86 JF |
924 | for (i = 0; i < ARRAY_SIZE(default_keybindings); i++) { |
925 | struct keybinding *keybinding = &default_keybindings[i]; | |
37157fa0 JF |
926 | char *seq = NULL; |
927 | int key; | |
928 | ||
93a97d86 | 929 | if (keybinding->request != request) |
37157fa0 JF |
930 | continue; |
931 | ||
932 | for (key = 0; key < ARRAY_SIZE(key_table); key++) | |
93a97d86 | 933 | if (key_table[key].value == keybinding->alias) |
37157fa0 JF |
934 | seq = key_table[key].name; |
935 | ||
936 | if (seq == NULL && | |
93a97d86 JF |
937 | keybinding->alias < 127 && |
938 | isprint(keybinding->alias)) { | |
939 | key_char[1] = (char) keybinding->alias; | |
37157fa0 JF |
940 | seq = key_char; |
941 | } | |
942 | ||
943 | if (!seq) | |
944 | seq = "'?'"; | |
945 | ||
946 | if (!string_format_from(buf, &pos, "%s%s", sep, seq)) | |
947 | return "Too many keybindings!"; | |
948 | sep = ", "; | |
949 | } | |
950 | ||
951 | return buf; | |
952 | } | |
953 | ||
954 | ||
955 | /* | |
1899507c JF |
956 | * User config file handling. |
957 | */ | |
958 | ||
5dc795f2 JF |
959 | static struct int_map color_map[] = { |
960 | #define COLOR_MAP(name) { #name, STRING_SIZE(#name), COLOR_##name } | |
961 | COLOR_MAP(DEFAULT), | |
962 | COLOR_MAP(BLACK), | |
963 | COLOR_MAP(BLUE), | |
964 | COLOR_MAP(CYAN), | |
965 | COLOR_MAP(GREEN), | |
966 | COLOR_MAP(MAGENTA), | |
967 | COLOR_MAP(RED), | |
968 | COLOR_MAP(WHITE), | |
969 | COLOR_MAP(YELLOW), | |
970 | }; | |
971 | ||
9256ab05 JF |
972 | #define set_color(color, name) \ |
973 | set_from_int_map(color_map, ARRAY_SIZE(color_map), color, name, strlen(name)) | |
660e09ad | 974 | |
5dc795f2 JF |
975 | static struct int_map attr_map[] = { |
976 | #define ATTR_MAP(name) { #name, STRING_SIZE(#name), A_##name } | |
977 | ATTR_MAP(NORMAL), | |
978 | ATTR_MAP(BLINK), | |
979 | ATTR_MAP(BOLD), | |
980 | ATTR_MAP(DIM), | |
981 | ATTR_MAP(REVERSE), | |
982 | ATTR_MAP(STANDOUT), | |
983 | ATTR_MAP(UNDERLINE), | |
984 | }; | |
985 | ||
9256ab05 JF |
986 | #define set_attribute(attr, name) \ |
987 | set_from_int_map(attr_map, ARRAY_SIZE(attr_map), attr, name, strlen(name)) | |
660e09ad | 988 | |
3c3801c2 JF |
989 | static int config_lineno; |
990 | static bool config_errors; | |
991 | static char *config_msg; | |
992 | ||
5bfd96c7 | 993 | /* Wants: object fgcolor bgcolor [attr] */ |
660e09ad | 994 | static int |
5bfd96c7 | 995 | option_color_command(int argc, char *argv[]) |
660e09ad | 996 | { |
bca8fcaa JF |
997 | struct line_info *info; |
998 | ||
9256ab05 JF |
999 | if (argc != 3 && argc != 4) { |
1000 | config_msg = "Wrong number of arguments given to color command"; | |
1001 | return ERR; | |
1002 | } | |
1003 | ||
1004 | info = get_line_info(argv[0], strlen(argv[0])); | |
bca8fcaa JF |
1005 | if (!info) { |
1006 | config_msg = "Unknown color name"; | |
1007 | return ERR; | |
1008 | } | |
660e09ad | 1009 | |
a3653368 JF |
1010 | if (set_color(&info->fg, argv[1]) == ERR || |
1011 | set_color(&info->bg, argv[2]) == ERR) { | |
bca8fcaa JF |
1012 | config_msg = "Unknown color"; |
1013 | return ERR; | |
1014 | } | |
660e09ad | 1015 | |
9256ab05 | 1016 | if (argc == 4 && set_attribute(&info->attr, argv[3]) == ERR) { |
bca8fcaa JF |
1017 | config_msg = "Unknown attribute"; |
1018 | return ERR; | |
660e09ad JF |
1019 | } |
1020 | ||
bca8fcaa JF |
1021 | return OK; |
1022 | } | |
1023 | ||
5bfd96c7 JF |
1024 | /* Wants: name = value */ |
1025 | static int | |
1026 | option_set_command(int argc, char *argv[]) | |
1027 | { | |
1028 | if (argc != 3) { | |
1029 | config_msg = "Wrong number of arguments given to set command"; | |
1030 | return ERR; | |
1031 | } | |
1032 | ||
1033 | if (strcmp(argv[1], "=")) { | |
1034 | config_msg = "No value assigned"; | |
1035 | return ERR; | |
1036 | } | |
1037 | ||
1038 | if (!strcmp(argv[0], "show-rev-graph")) { | |
1039 | opt_rev_graph = (!strcmp(argv[2], "1") || | |
1040 | !strcmp(argv[2], "true") || | |
1041 | !strcmp(argv[2], "yes")); | |
1042 | return OK; | |
1043 | } | |
1044 | ||
1045 | if (!strcmp(argv[0], "line-number-interval")) { | |
1046 | opt_num_interval = atoi(argv[2]); | |
1047 | return OK; | |
1048 | } | |
1049 | ||
1050 | if (!strcmp(argv[0], "tab-size")) { | |
1051 | opt_tab_size = atoi(argv[2]); | |
1052 | return OK; | |
1053 | } | |
1054 | ||
cb7267ee | 1055 | if (!strcmp(argv[0], "commit-encoding")) { |
3cc9a4d4 JF |
1056 | char *arg = argv[2]; |
1057 | int delimiter = *arg; | |
1058 | int i; | |
1059 | ||
1060 | switch (delimiter) { | |
1061 | case '"': | |
1062 | case '\'': | |
1063 | for (arg++, i = 0; arg[i]; i++) | |
1064 | if (arg[i] == delimiter) { | |
1065 | arg[i] = 0; | |
1066 | break; | |
1067 | } | |
1068 | default: | |
739e81de | 1069 | string_ncopy(opt_encoding, arg, strlen(arg)); |
3cc9a4d4 JF |
1070 | return OK; |
1071 | } | |
5bfd96c7 JF |
1072 | } |
1073 | ||
a3653368 | 1074 | config_msg = "Unknown variable name"; |
5bfd96c7 JF |
1075 | return ERR; |
1076 | } | |
1077 | ||
04e2b7b2 JF |
1078 | /* Wants: mode request key */ |
1079 | static int | |
1080 | option_bind_command(int argc, char *argv[]) | |
1081 | { | |
1082 | enum request request; | |
1083 | int keymap; | |
1084 | int key; | |
1085 | ||
1086 | if (argc != 3) { | |
1087 | config_msg = "Wrong number of arguments given to bind command"; | |
1088 | return ERR; | |
1089 | } | |
1090 | ||
1091 | if (set_keymap(&keymap, argv[0]) == ERR) { | |
1092 | config_msg = "Unknown key map"; | |
1093 | return ERR; | |
1094 | } | |
1095 | ||
1096 | key = get_key_value(argv[1]); | |
1097 | if (key == ERR) { | |
1098 | config_msg = "Unknown key"; | |
1099 | return ERR; | |
1100 | } | |
1101 | ||
1102 | request = get_request(argv[2]); | |
1103 | if (request == REQ_UNKNOWN) { | |
1104 | config_msg = "Unknown request name"; | |
1105 | return ERR; | |
1106 | } | |
1107 | ||
1108 | add_keybinding(keymap, request, key); | |
1109 | ||
1110 | return OK; | |
1111 | } | |
1112 | ||
bca8fcaa | 1113 | static int |
9256ab05 | 1114 | set_option(char *opt, char *value) |
bca8fcaa | 1115 | { |
9256ab05 JF |
1116 | char *argv[16]; |
1117 | int valuelen; | |
1118 | int argc = 0; | |
1119 | ||
1120 | /* Tokenize */ | |
1121 | while (argc < ARRAY_SIZE(argv) && (valuelen = strcspn(value, " \t"))) { | |
1122 | argv[argc++] = value; | |
1123 | ||
1124 | value += valuelen; | |
1125 | if (!*value) | |
1126 | break; | |
1127 | ||
1128 | *value++ = 0; | |
1129 | while (isspace(*value)) | |
1130 | value++; | |
1131 | } | |
1132 | ||
1133 | if (!strcmp(opt, "color")) | |
5bfd96c7 JF |
1134 | return option_color_command(argc, argv); |
1135 | ||
1136 | if (!strcmp(opt, "set")) | |
1137 | return option_set_command(argc, argv); | |
bca8fcaa | 1138 | |
04e2b7b2 JF |
1139 | if (!strcmp(opt, "bind")) |
1140 | return option_bind_command(argc, argv); | |
1141 | ||
a3653368 | 1142 | config_msg = "Unknown option command"; |
660e09ad JF |
1143 | return ERR; |
1144 | } | |
1145 | ||
1146 | static int | |
5699e0cf | 1147 | read_option(char *opt, size_t optlen, char *value, size_t valuelen) |
3c3801c2 | 1148 | { |
a3653368 JF |
1149 | int status = OK; |
1150 | ||
3c3801c2 JF |
1151 | config_lineno++; |
1152 | config_msg = "Internal error"; | |
1153 | ||
a3653368 JF |
1154 | /* Check for comment markers, since read_properties() will |
1155 | * only ensure opt and value are split at first " \t". */ | |
74f83ee6 | 1156 | optlen = strcspn(opt, "#"); |
a3653368 | 1157 | if (optlen == 0) |
3c3801c2 JF |
1158 | return OK; |
1159 | ||
a3653368 JF |
1160 | if (opt[optlen] != 0) { |
1161 | config_msg = "No option value"; | |
1162 | status = ERR; | |
1163 | ||
1164 | } else { | |
1165 | /* Look for comment endings in the value. */ | |
5699e0cf | 1166 | size_t len = strcspn(value, "#"); |
a3653368 JF |
1167 | |
1168 | if (len < valuelen) { | |
1169 | valuelen = len; | |
1170 | value[valuelen] = 0; | |
1171 | } | |
1172 | ||
1173 | status = set_option(opt, value); | |
3c3801c2 JF |
1174 | } |
1175 | ||
a3653368 JF |
1176 | if (status == ERR) { |
1177 | fprintf(stderr, "Error on line %d, near '%.*s': %s\n", | |
07c3971e | 1178 | config_lineno, (int) optlen, opt, config_msg); |
3c3801c2 JF |
1179 | config_errors = TRUE; |
1180 | } | |
1181 | ||
1182 | /* Always keep going if errors are encountered. */ | |
1183 | return OK; | |
1184 | } | |
1185 | ||
1186 | static int | |
660e09ad JF |
1187 | load_options(void) |
1188 | { | |
1189 | char *home = getenv("HOME"); | |
17482b11 | 1190 | char buf[SIZEOF_STR]; |
660e09ad JF |
1191 | FILE *file; |
1192 | ||
3c3801c2 JF |
1193 | config_lineno = 0; |
1194 | config_errors = FALSE; | |
1195 | ||
cc2d1364 | 1196 | if (!home || !string_format(buf, "%s/.tigrc", home)) |
660e09ad JF |
1197 | return ERR; |
1198 | ||
1199 | /* It's ok that the file doesn't exist. */ | |
1200 | file = fopen(buf, "r"); | |
1201 | if (!file) | |
1202 | return OK; | |
1203 | ||
3c3801c2 JF |
1204 | if (read_properties(file, " \t", read_option) == ERR || |
1205 | config_errors == TRUE) | |
1206 | fprintf(stderr, "Errors while loading %s.\n", buf); | |
1207 | ||
1208 | return OK; | |
660e09ad JF |
1209 | } |
1210 | ||
1211 | ||
d839253b | 1212 | /* |
468876c9 | 1213 | * The viewer |
d839253b | 1214 | */ |
c2124ccd JF |
1215 | |
1216 | struct view; | |
fe7233c3 | 1217 | struct view_ops; |
c2124ccd JF |
1218 | |
1219 | /* The display array of active views and the index of the current view. */ | |
1220 | static struct view *display[2]; | |
1221 | static unsigned int current_view; | |
1222 | ||
ab4af23e JF |
1223 | /* Reading from the prompt? */ |
1224 | static bool input_mode = FALSE; | |
1225 | ||
33c4f9ea | 1226 | #define foreach_displayed_view(view, i) \ |
c2124ccd JF |
1227 | for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) |
1228 | ||
9f41488f | 1229 | #define displayed_views() (display[1] != NULL ? 2 : 1) |
c2124ccd | 1230 | |
d839253b | 1231 | /* Current head and commit ID */ |
e733ee54 | 1232 | static char ref_blob[SIZEOF_REF] = ""; |
c2124ccd JF |
1233 | static char ref_commit[SIZEOF_REF] = "HEAD"; |
1234 | static char ref_head[SIZEOF_REF] = "HEAD"; | |
1235 | ||
b801d8b2 | 1236 | struct view { |
03a93dbb | 1237 | const char *name; /* View name */ |
4685845e TH |
1238 | const char *cmd_fmt; /* Default command line format */ |
1239 | const char *cmd_env; /* Command line set via environment */ | |
e733ee54 | 1240 | const char *id; /* Points to either of ref_{head,commit,blob} */ |
6b161b31 | 1241 | |
fe7233c3 | 1242 | struct view_ops *ops; /* View operations */ |
22f66b0a | 1243 | |
04e2b7b2 JF |
1244 | enum keymap keymap; /* What keymap does this view have */ |
1245 | ||
17482b11 | 1246 | char cmd[SIZEOF_STR]; /* Command buffer */ |
49f2b43f JF |
1247 | char ref[SIZEOF_REF]; /* Hovered commit reference */ |
1248 | char vid[SIZEOF_REF]; /* View ID. Set to id member when updating. */ | |
2e8488b4 | 1249 | |
8855ada4 JF |
1250 | int height, width; /* The width and height of the main window */ |
1251 | WINDOW *win; /* The main window */ | |
1252 | WINDOW *title; /* The title window living below the main window */ | |
b801d8b2 JF |
1253 | |
1254 | /* Navigation */ | |
1255 | unsigned long offset; /* Offset of the window top */ | |
1256 | unsigned long lineno; /* Current line number */ | |
1257 | ||
4af34daa JF |
1258 | /* Searching */ |
1259 | char grep[SIZEOF_STR]; /* Search string */ | |
b77b2cb8 | 1260 | regex_t *regex; /* Pre-compiled regex */ |
4af34daa | 1261 | |
f6da0b66 JF |
1262 | /* If non-NULL, points to the view that opened this view. If this view |
1263 | * is closed tig will switch back to the parent view. */ | |
1264 | struct view *parent; | |
1265 | ||
b801d8b2 JF |
1266 | /* Buffering */ |
1267 | unsigned long lines; /* Total number of lines */ | |
fe7233c3 | 1268 | struct line *line; /* Line index */ |
e2c01617 | 1269 | unsigned long line_size;/* Total number of allocated lines */ |
8855ada4 | 1270 | unsigned int digits; /* Number of digits in the lines member. */ |
b801d8b2 JF |
1271 | |
1272 | /* Loading */ | |
1273 | FILE *pipe; | |
2e8488b4 | 1274 | time_t start_time; |
b801d8b2 JF |
1275 | }; |
1276 | ||
fe7233c3 JF |
1277 | struct view_ops { |
1278 | /* What type of content being displayed. Used in the title bar. */ | |
1279 | const char *type; | |
f098944b JF |
1280 | /* Open and reads in all view content. */ |
1281 | bool (*open)(struct view *view); | |
fe7233c3 | 1282 | /* Read one line; updates view->line. */ |
701e4f5d | 1283 | bool (*read)(struct view *view, char *data); |
f098944b JF |
1284 | /* Draw one line; @lineno must be < view->height. */ |
1285 | bool (*draw)(struct view *view, struct line *line, unsigned int lineno, bool selected); | |
586c423d JF |
1286 | /* Depending on view handle a special requests. */ |
1287 | enum request (*request)(struct view *view, enum request request, struct line *line); | |
4af34daa JF |
1288 | /* Search for regex in a line. */ |
1289 | bool (*grep)(struct view *view, struct line *line); | |
d720de4b JF |
1290 | /* Select line */ |
1291 | void (*select)(struct view *view, struct line *line); | |
fe7233c3 JF |
1292 | }; |
1293 | ||
6b161b31 JF |
1294 | static struct view_ops pager_ops; |
1295 | static struct view_ops main_ops; | |
e733ee54 JF |
1296 | static struct view_ops tree_ops; |
1297 | static struct view_ops blob_ops; | |
f098944b | 1298 | static struct view_ops help_ops; |
173d76ea | 1299 | static struct view_ops status_ops; |
3e634113 | 1300 | static struct view_ops stage_ops; |
a28bcc22 | 1301 | |
04e2b7b2 JF |
1302 | #define VIEW_STR(name, cmd, env, ref, ops, map) \ |
1303 | { name, cmd, #env, ref, ops, map} | |
1ba2ae4b | 1304 | |
95d7ddcd | 1305 | #define VIEW_(id, name, ops, ref) \ |
04e2b7b2 | 1306 | VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops, KEYMAP_##id) |
1ba2ae4b | 1307 | |
c2124ccd | 1308 | |
b801d8b2 | 1309 | static struct view views[] = { |
173d76ea JF |
1310 | VIEW_(MAIN, "main", &main_ops, ref_head), |
1311 | VIEW_(DIFF, "diff", &pager_ops, ref_commit), | |
1312 | VIEW_(LOG, "log", &pager_ops, ref_head), | |
1313 | VIEW_(TREE, "tree", &tree_ops, ref_commit), | |
1314 | VIEW_(BLOB, "blob", &blob_ops, ref_blob), | |
b64c5b75 JF |
1315 | VIEW_(HELP, "help", &help_ops, ""), |
1316 | VIEW_(PAGER, "pager", &pager_ops, "stdin"), | |
173d76ea | 1317 | VIEW_(STATUS, "status", &status_ops, ""), |
3e634113 | 1318 | VIEW_(STAGE, "stage", &stage_ops, ""), |
b801d8b2 JF |
1319 | }; |
1320 | ||
a28bcc22 JF |
1321 | #define VIEW(req) (&views[(req) - REQ_OFFSET - 1]) |
1322 | ||
699ae55b JF |
1323 | #define foreach_view(view, i) \ |
1324 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) | |
1325 | ||
1326 | #define view_is_displayed(view) \ | |
1327 | (view == display[0] || view == display[1]) | |
4c6fabc2 | 1328 | |
fe7233c3 JF |
1329 | static bool |
1330 | draw_view_line(struct view *view, unsigned int lineno) | |
1331 | { | |
d720de4b | 1332 | struct line *line; |
5dcf8064 | 1333 | bool selected = (view->offset + lineno == view->lineno); |
4887d44e | 1334 | bool draw_ok; |
d720de4b | 1335 | |
699ae55b JF |
1336 | assert(view_is_displayed(view)); |
1337 | ||
fe7233c3 JF |
1338 | if (view->offset + lineno >= view->lines) |
1339 | return FALSE; | |
1340 | ||
d720de4b JF |
1341 | line = &view->line[view->offset + lineno]; |
1342 | ||
3c571d67 JF |
1343 | if (selected) { |
1344 | line->selected = TRUE; | |
d720de4b | 1345 | view->ops->select(view, line); |
3c571d67 JF |
1346 | } else if (line->selected) { |
1347 | line->selected = FALSE; | |
1348 | wmove(view->win, lineno, 0); | |
1349 | wclrtoeol(view->win); | |
1350 | } | |
d720de4b | 1351 | |
4887d44e JF |
1352 | scrollok(view->win, FALSE); |
1353 | draw_ok = view->ops->draw(view, line, lineno, selected); | |
1354 | scrollok(view->win, TRUE); | |
1355 | ||
1356 | return draw_ok; | |
fe7233c3 JF |
1357 | } |
1358 | ||
b801d8b2 | 1359 | static void |
82e78006 | 1360 | redraw_view_from(struct view *view, int lineno) |
b801d8b2 | 1361 | { |
82e78006 | 1362 | assert(0 <= lineno && lineno < view->height); |
b801d8b2 | 1363 | |
82e78006 | 1364 | for (; lineno < view->height; lineno++) { |
fe7233c3 | 1365 | if (!draw_view_line(view, lineno)) |
fd85fef1 | 1366 | break; |
b801d8b2 JF |
1367 | } |
1368 | ||
1369 | redrawwin(view->win); | |
ab4af23e JF |
1370 | if (input_mode) |
1371 | wnoutrefresh(view->win); | |
1372 | else | |
1373 | wrefresh(view->win); | |
b801d8b2 JF |
1374 | } |
1375 | ||
b76c2afc | 1376 | static void |
82e78006 JF |
1377 | redraw_view(struct view *view) |
1378 | { | |
1379 | wclear(view->win); | |
1380 | redraw_view_from(view, 0); | |
1381 | } | |
1382 | ||
c2124ccd | 1383 | |
6b161b31 | 1384 | static void |
81030ec8 JF |
1385 | update_view_title(struct view *view) |
1386 | { | |
3c112a88 | 1387 | char buf[SIZEOF_STR]; |
71d1c7db JF |
1388 | char state[SIZEOF_STR]; |
1389 | size_t bufpos = 0, statelen = 0; | |
81030ec8 | 1390 | |
3c112a88 | 1391 | assert(view_is_displayed(view)); |
81030ec8 | 1392 | |
249016a6 | 1393 | if (view != VIEW(REQ_VIEW_STATUS) && (view->lines || view->pipe)) { |
6d9c07af | 1394 | unsigned int view_lines = view->offset + view->height; |
c19f8017 | 1395 | unsigned int lines = view->lines |
6d9c07af | 1396 | ? MIN(view_lines, view->lines) * 100 / view->lines |
c19f8017 JF |
1397 | : 0; |
1398 | ||
71d1c7db | 1399 | string_format_from(state, &statelen, "- %s %d of %d (%d%%)", |
3c112a88 JF |
1400 | view->ops->type, |
1401 | view->lineno + 1, | |
1402 | view->lines, | |
1403 | lines); | |
81030ec8 | 1404 | |
5becf244 JF |
1405 | if (view->pipe) { |
1406 | time_t secs = time(NULL) - view->start_time; | |
f97f4012 | 1407 | |
5becf244 JF |
1408 | /* Three git seconds are a long time ... */ |
1409 | if (secs > 2) | |
71d1c7db | 1410 | string_format_from(state, &statelen, " %lds", secs); |
5becf244 | 1411 | } |
81030ec8 JF |
1412 | } |
1413 | ||
71d1c7db JF |
1414 | string_format_from(buf, &bufpos, "[%s]", view->name); |
1415 | if (*view->ref && bufpos < view->width) { | |
1416 | size_t refsize = strlen(view->ref); | |
1417 | size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; | |
1418 | ||
1419 | if (minsize < view->width) | |
1420 | refsize = view->width - minsize + 7; | |
d1858deb | 1421 | string_format_from(buf, &bufpos, " %.*s", (int) refsize, view->ref); |
71d1c7db | 1422 | } |
f97f4012 | 1423 | |
71d1c7db JF |
1424 | if (statelen && bufpos < view->width) { |
1425 | string_format_from(buf, &bufpos, " %s", state); | |
f97f4012 JF |
1426 | } |
1427 | ||
3c112a88 JF |
1428 | if (view == display[current_view]) |
1429 | wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); | |
1430 | else | |
1431 | wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); | |
1432 | ||
3c112a88 | 1433 | mvwaddnstr(view->title, 0, 0, buf, bufpos); |
390a8262 | 1434 | wclrtoeol(view->title); |
976447f8 | 1435 | wmove(view->title, 0, view->width - 1); |
ab4af23e JF |
1436 | |
1437 | if (input_mode) | |
1438 | wnoutrefresh(view->title); | |
1439 | else | |
1440 | wrefresh(view->title); | |
81030ec8 JF |
1441 | } |
1442 | ||
1443 | static void | |
6b161b31 | 1444 | resize_display(void) |
b76c2afc | 1445 | { |
03a93dbb | 1446 | int offset, i; |
6b161b31 JF |
1447 | struct view *base = display[0]; |
1448 | struct view *view = display[1] ? display[1] : display[0]; | |
b76c2afc | 1449 | |
6b161b31 | 1450 | /* Setup window dimensions */ |
b76c2afc | 1451 | |
03a93dbb | 1452 | getmaxyx(stdscr, base->height, base->width); |
b76c2afc | 1453 | |
6b161b31 | 1454 | /* Make room for the status window. */ |
03a93dbb | 1455 | base->height -= 1; |
6b161b31 JF |
1456 | |
1457 | if (view != base) { | |
03a93dbb JF |
1458 | /* Horizontal split. */ |
1459 | view->width = base->width; | |
6b161b31 JF |
1460 | view->height = SCALE_SPLIT_VIEW(base->height); |
1461 | base->height -= view->height; | |
1462 | ||
1463 | /* Make room for the title bar. */ | |
1464 | view->height -= 1; | |
1465 | } | |
1466 | ||
1467 | /* Make room for the title bar. */ | |
1468 | base->height -= 1; | |
1469 | ||
1470 | offset = 0; | |
1471 | ||
33c4f9ea | 1472 | foreach_displayed_view (view, i) { |
b76c2afc | 1473 | if (!view->win) { |
c19f8017 | 1474 | view->win = newwin(view->height, 0, offset, 0); |
6b161b31 JF |
1475 | if (!view->win) |
1476 | die("Failed to create %s view", view->name); | |
1477 | ||
1478 | scrollok(view->win, TRUE); | |
1479 | ||
1480 | view->title = newwin(1, 0, offset + view->height, 0); | |
1481 | if (!view->title) | |
1482 | die("Failed to create title window"); | |
1483 | ||
1484 | } else { | |
c19f8017 | 1485 | wresize(view->win, view->height, view->width); |
6b161b31 JF |
1486 | mvwin(view->win, offset, 0); |
1487 | mvwin(view->title, offset + view->height, 0); | |
a28bcc22 | 1488 | } |
a28bcc22 | 1489 | |
6b161b31 | 1490 | offset += view->height + 1; |
b76c2afc | 1491 | } |
6b161b31 | 1492 | } |
b76c2afc | 1493 | |
6b161b31 | 1494 | static void |
20bb5e18 JF |
1495 | redraw_display(void) |
1496 | { | |
1497 | struct view *view; | |
1498 | int i; | |
1499 | ||
33c4f9ea | 1500 | foreach_displayed_view (view, i) { |
20bb5e18 JF |
1501 | redraw_view(view); |
1502 | update_view_title(view); | |
1503 | } | |
1504 | } | |
1505 | ||
85af6284 | 1506 | static void |
2bee3bde | 1507 | update_display_cursor(struct view *view) |
85af6284 | 1508 | { |
85af6284 JF |
1509 | /* Move the cursor to the right-most column of the cursor line. |
1510 | * | |
1511 | * XXX: This could turn out to be a bit expensive, but it ensures that | |
1512 | * the cursor does not jump around. */ | |
1513 | if (view->lines) { | |
1514 | wmove(view->win, view->lineno - view->offset, view->width - 1); | |
1515 | wrefresh(view->win); | |
1516 | } | |
1517 | } | |
20bb5e18 | 1518 | |
2e8488b4 JF |
1519 | /* |
1520 | * Navigation | |
1521 | */ | |
1522 | ||
4a2909a7 | 1523 | /* Scrolling backend */ |
b801d8b2 | 1524 | static void |
8c317212 | 1525 | do_scroll_view(struct view *view, int lines) |
b801d8b2 | 1526 | { |
a0087dd5 JF |
1527 | bool redraw_current_line = FALSE; |
1528 | ||
fd85fef1 JF |
1529 | /* The rendering expects the new offset. */ |
1530 | view->offset += lines; | |
1531 | ||
1532 | assert(0 <= view->offset && view->offset < view->lines); | |
1533 | assert(lines); | |
b801d8b2 | 1534 | |
a0087dd5 JF |
1535 | /* Move current line into the view. */ |
1536 | if (view->lineno < view->offset) { | |
1537 | view->lineno = view->offset; | |
1538 | redraw_current_line = TRUE; | |
1539 | } else if (view->lineno >= view->offset + view->height) { | |
1540 | view->lineno = view->offset + view->height - 1; | |
1541 | redraw_current_line = TRUE; | |
1542 | } | |
1543 | ||
1544 | assert(view->offset <= view->lineno && view->lineno < view->lines); | |
1545 | ||
82e78006 | 1546 | /* Redraw the whole screen if scrolling is pointless. */ |
4c6fabc2 | 1547 | if (view->height < ABS(lines)) { |
b76c2afc JF |
1548 | redraw_view(view); |
1549 | ||
1550 | } else { | |
22f66b0a | 1551 | int line = lines > 0 ? view->height - lines : 0; |
82e78006 | 1552 | int end = line + ABS(lines); |
fd85fef1 JF |
1553 | |
1554 | wscrl(view->win, lines); | |
1555 | ||
22f66b0a | 1556 | for (; line < end; line++) { |
fe7233c3 | 1557 | if (!draw_view_line(view, line)) |
fd85fef1 JF |
1558 | break; |
1559 | } | |
fd85fef1 | 1560 | |
a0087dd5 JF |
1561 | if (redraw_current_line) |
1562 | draw_view_line(view, view->lineno - view->offset); | |
fd85fef1 JF |
1563 | } |
1564 | ||
fd85fef1 JF |
1565 | redrawwin(view->win); |
1566 | wrefresh(view->win); | |
9d3f5834 | 1567 | report(""); |
fd85fef1 | 1568 | } |
78c70acd | 1569 | |
4a2909a7 | 1570 | /* Scroll frontend */ |
fd85fef1 | 1571 | static void |
6b161b31 | 1572 | scroll_view(struct view *view, enum request request) |
fd85fef1 JF |
1573 | { |
1574 | int lines = 1; | |
b801d8b2 | 1575 | |
8c317212 JF |
1576 | assert(view_is_displayed(view)); |
1577 | ||
b801d8b2 | 1578 | switch (request) { |
4a2909a7 | 1579 | case REQ_SCROLL_PAGE_DOWN: |
fd85fef1 | 1580 | lines = view->height; |
4a2909a7 | 1581 | case REQ_SCROLL_LINE_DOWN: |
b801d8b2 | 1582 | if (view->offset + lines > view->lines) |
bde3653a | 1583 | lines = view->lines - view->offset; |
b801d8b2 | 1584 | |
fd85fef1 | 1585 | if (lines == 0 || view->offset + view->height >= view->lines) { |
eb98559e | 1586 | report("Cannot scroll beyond the last line"); |
b801d8b2 JF |
1587 | return; |
1588 | } | |
1589 | break; | |
1590 | ||
4a2909a7 | 1591 | case REQ_SCROLL_PAGE_UP: |
fd85fef1 | 1592 | lines = view->height; |
4a2909a7 | 1593 | case REQ_SCROLL_LINE_UP: |
b801d8b2 JF |
1594 | if (lines > view->offset) |
1595 | lines = view->offset; | |
1596 | ||
1597 | if (lines == 0) { | |
eb98559e | 1598 | report("Cannot scroll beyond the first line"); |
b801d8b2 JF |
1599 | return; |
1600 | } | |
1601 | ||
fd85fef1 | 1602 | lines = -lines; |
b801d8b2 | 1603 | break; |
03a93dbb | 1604 | |
6b161b31 JF |
1605 | default: |
1606 | die("request %d not handled in switch", request); | |
b801d8b2 JF |
1607 | } |
1608 | ||
8c317212 | 1609 | do_scroll_view(view, lines); |
fd85fef1 | 1610 | } |
b801d8b2 | 1611 | |
4a2909a7 | 1612 | /* Cursor moving */ |
fd85fef1 | 1613 | static void |
8522ecc7 | 1614 | move_view(struct view *view, enum request request) |
fd85fef1 | 1615 | { |
dfaa6c81 | 1616 | int scroll_steps = 0; |
fd85fef1 | 1617 | int steps; |
b801d8b2 | 1618 | |
fd85fef1 | 1619 | switch (request) { |
4a2909a7 | 1620 | case REQ_MOVE_FIRST_LINE: |
78c70acd JF |
1621 | steps = -view->lineno; |
1622 | break; | |
1623 | ||
4a2909a7 | 1624 | case REQ_MOVE_LAST_LINE: |
78c70acd JF |
1625 | steps = view->lines - view->lineno - 1; |
1626 | break; | |
1627 | ||
4a2909a7 | 1628 | case REQ_MOVE_PAGE_UP: |
78c70acd JF |
1629 | steps = view->height > view->lineno |
1630 | ? -view->lineno : -view->height; | |
1631 | break; | |
1632 | ||
4a2909a7 | 1633 | case REQ_MOVE_PAGE_DOWN: |
78c70acd JF |
1634 | steps = view->lineno + view->height >= view->lines |
1635 | ? view->lines - view->lineno - 1 : view->height; | |
1636 | break; | |
1637 | ||
4a2909a7 | 1638 | case REQ_MOVE_UP: |
fd85fef1 JF |
1639 | steps = -1; |
1640 | break; | |
b801d8b2 | 1641 | |
4a2909a7 | 1642 | case REQ_MOVE_DOWN: |
fd85fef1 JF |
1643 | steps = 1; |
1644 | break; | |
6b161b31 JF |
1645 | |
1646 | default: | |
1647 | die("request %d not handled in switch", request); | |
78c70acd | 1648 | } |
b801d8b2 | 1649 | |
4c6fabc2 | 1650 | if (steps <= 0 && view->lineno == 0) { |
eb98559e | 1651 | report("Cannot move beyond the first line"); |
78c70acd | 1652 | return; |
b801d8b2 | 1653 | |
6908bdbd | 1654 | } else if (steps >= 0 && view->lineno + 1 >= view->lines) { |
eb98559e | 1655 | report("Cannot move beyond the last line"); |
78c70acd | 1656 | return; |
fd85fef1 JF |
1657 | } |
1658 | ||
4c6fabc2 | 1659 | /* Move the current line */ |
fd85fef1 | 1660 | view->lineno += steps; |
4c6fabc2 JF |
1661 | assert(0 <= view->lineno && view->lineno < view->lines); |
1662 | ||
4c6fabc2 | 1663 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
1664 | if (view->lineno < view->offset || |
1665 | view->lineno >= view->offset + view->height) { | |
dfaa6c81 | 1666 | scroll_steps = steps; |
fd85fef1 | 1667 | if (steps < 0 && -steps > view->offset) { |
dfaa6c81 | 1668 | scroll_steps = -view->offset; |
b76c2afc JF |
1669 | |
1670 | } else if (steps > 0) { | |
1671 | if (view->lineno == view->lines - 1 && | |
1672 | view->lines > view->height) { | |
dfaa6c81 JF |
1673 | scroll_steps = view->lines - view->offset - 1; |
1674 | if (scroll_steps >= view->height) | |
1675 | scroll_steps -= view->height - 1; | |
b76c2afc | 1676 | } |
b801d8b2 | 1677 | } |
8522ecc7 JF |
1678 | } |
1679 | ||
1680 | if (!view_is_displayed(view)) { | |
a3965365 JF |
1681 | view->offset += scroll_steps; |
1682 | assert(0 <= view->offset && view->offset < view->lines); | |
8522ecc7 JF |
1683 | view->ops->select(view, &view->line[view->lineno]); |
1684 | return; | |
1685 | } | |
1686 | ||
1687 | /* Repaint the old "current" line if we be scrolling */ | |
1688 | if (ABS(steps) < view->height) | |
1689 | draw_view_line(view, view->lineno - steps - view->offset); | |
1690 | ||
dfaa6c81 JF |
1691 | if (scroll_steps) { |
1692 | do_scroll_view(view, scroll_steps); | |
fd85fef1 | 1693 | return; |
b801d8b2 JF |
1694 | } |
1695 | ||
4c6fabc2 | 1696 | /* Draw the current line */ |
fe7233c3 | 1697 | draw_view_line(view, view->lineno - view->offset); |
fd85fef1 | 1698 | |
b801d8b2 JF |
1699 | redrawwin(view->win); |
1700 | wrefresh(view->win); | |
9d3f5834 | 1701 | report(""); |
b801d8b2 JF |
1702 | } |
1703 | ||
b801d8b2 | 1704 | |
2e8488b4 | 1705 | /* |
4af34daa JF |
1706 | * Searching |
1707 | */ | |
1708 | ||
c02d8fce | 1709 | static void search_view(struct view *view, enum request request); |
4af34daa JF |
1710 | |
1711 | static bool | |
1712 | find_next_line(struct view *view, unsigned long lineno, struct line *line) | |
1713 | { | |
699ae55b JF |
1714 | assert(view_is_displayed(view)); |
1715 | ||
4af34daa JF |
1716 | if (!view->ops->grep(view, line)) |
1717 | return FALSE; | |
1718 | ||
1719 | if (lineno - view->offset >= view->height) { | |
1720 | view->offset = lineno; | |
1721 | view->lineno = lineno; | |
1722 | redraw_view(view); | |
1723 | ||
1724 | } else { | |
1725 | unsigned long old_lineno = view->lineno - view->offset; | |
1726 | ||
1727 | view->lineno = lineno; | |
4af34daa JF |
1728 | draw_view_line(view, old_lineno); |
1729 | ||
1730 | draw_view_line(view, view->lineno - view->offset); | |
1731 | redrawwin(view->win); | |
1732 | wrefresh(view->win); | |
1733 | } | |
1734 | ||
1735 | report("Line %ld matches '%s'", lineno + 1, view->grep); | |
1736 | return TRUE; | |
1737 | } | |
1738 | ||
1739 | static void | |
1740 | find_next(struct view *view, enum request request) | |
1741 | { | |
1742 | unsigned long lineno = view->lineno; | |
1743 | int direction; | |
1744 | ||
1745 | if (!*view->grep) { | |
1746 | if (!*opt_search) | |
1747 | report("No previous search"); | |
1748 | else | |
c02d8fce | 1749 | search_view(view, request); |
4af34daa JF |
1750 | return; |
1751 | } | |
1752 | ||
1753 | switch (request) { | |
1754 | case REQ_SEARCH: | |
1755 | case REQ_FIND_NEXT: | |
1756 | direction = 1; | |
1757 | break; | |
1758 | ||
1759 | case REQ_SEARCH_BACK: | |
1760 | case REQ_FIND_PREV: | |
1761 | direction = -1; | |
1762 | break; | |
1763 | ||
1764 | default: | |
1765 | return; | |
1766 | } | |
1767 | ||
1768 | if (request == REQ_FIND_NEXT || request == REQ_FIND_PREV) | |
1769 | lineno += direction; | |
1770 | ||
1771 | /* Note, lineno is unsigned long so will wrap around in which case it | |
1772 | * will become bigger than view->lines. */ | |
1773 | for (; lineno < view->lines; lineno += direction) { | |
1774 | struct line *line = &view->line[lineno]; | |
1775 | ||
1776 | if (find_next_line(view, lineno, line)) | |
1777 | return; | |
1778 | } | |
1779 | ||
1780 | report("No match found for '%s'", view->grep); | |
1781 | } | |
1782 | ||
1783 | static void | |
c02d8fce | 1784 | search_view(struct view *view, enum request request) |
4af34daa JF |
1785 | { |
1786 | int regex_err; | |
1787 | ||
b77b2cb8 JF |
1788 | if (view->regex) { |
1789 | regfree(view->regex); | |
4af34daa | 1790 | *view->grep = 0; |
b77b2cb8 JF |
1791 | } else { |
1792 | view->regex = calloc(1, sizeof(*view->regex)); | |
1793 | if (!view->regex) | |
1794 | return; | |
4af34daa JF |
1795 | } |
1796 | ||
c02d8fce | 1797 | regex_err = regcomp(view->regex, opt_search, REG_EXTENDED); |
4af34daa JF |
1798 | if (regex_err != 0) { |
1799 | char buf[SIZEOF_STR] = "unknown error"; | |
1800 | ||
b77b2cb8 | 1801 | regerror(regex_err, view->regex, buf, sizeof(buf)); |
e9cacd58 | 1802 | report("Search failed: %s", buf); |
4af34daa JF |
1803 | return; |
1804 | } | |
1805 | ||
c02d8fce | 1806 | string_copy(view->grep, opt_search); |
4af34daa JF |
1807 | |
1808 | find_next(view, request); | |
1809 | } | |
1810 | ||
1811 | /* | |
2e8488b4 JF |
1812 | * Incremental updating |
1813 | */ | |
b801d8b2 | 1814 | |
199d1288 JF |
1815 | static void |
1816 | end_update(struct view *view) | |
1817 | { | |
1818 | if (!view->pipe) | |
1819 | return; | |
1820 | set_nonblocking_input(FALSE); | |
1821 | if (view->pipe == stdin) | |
1822 | fclose(view->pipe); | |
1823 | else | |
1824 | pclose(view->pipe); | |
1825 | view->pipe = NULL; | |
1826 | } | |
1827 | ||
03a93dbb | 1828 | static bool |
b801d8b2 JF |
1829 | begin_update(struct view *view) |
1830 | { | |
199d1288 JF |
1831 | if (view->pipe) |
1832 | end_update(view); | |
1833 | ||
03a93dbb JF |
1834 | if (opt_cmd[0]) { |
1835 | string_copy(view->cmd, opt_cmd); | |
1836 | opt_cmd[0] = 0; | |
035ba11f JF |
1837 | /* When running random commands, initially show the |
1838 | * command in the title. However, it maybe later be | |
1839 | * overwritten if a commit line is selected. */ | |
809a9f48 JF |
1840 | if (view == VIEW(REQ_VIEW_PAGER)) |
1841 | string_copy(view->ref, view->cmd); | |
1842 | else | |
1843 | view->ref[0] = 0; | |
e733ee54 JF |
1844 | |
1845 | } else if (view == VIEW(REQ_VIEW_TREE)) { | |
1846 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; | |
f0f114ac | 1847 | char path[SIZEOF_STR]; |
e733ee54 JF |
1848 | |
1849 | if (strcmp(view->vid, view->id)) | |
f0f114ac JF |
1850 | opt_path[0] = path[0] = 0; |
1851 | else if (sq_quote(path, 0, opt_path) >= sizeof(path)) | |
1852 | return FALSE; | |
e733ee54 | 1853 | |
739e81de | 1854 | if (!string_format(view->cmd, format, view->id, path)) |
e733ee54 JF |
1855 | return FALSE; |
1856 | ||
03a93dbb | 1857 | } else { |
4685845e | 1858 | const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt; |
739e81de | 1859 | const char *id = view->id; |
1ba2ae4b | 1860 | |
cc2d1364 | 1861 | if (!string_format(view->cmd, format, id, id, id, id, id)) |
03a93dbb | 1862 | return FALSE; |
035ba11f JF |
1863 | |
1864 | /* Put the current ref_* value to the view title ref | |
1865 | * member. This is needed by the blob view. Most other | |
1866 | * views sets it automatically after loading because the | |
1867 | * first line is a commit line. */ | |
739e81de | 1868 | string_copy_rev(view->ref, view->id); |
03a93dbb | 1869 | } |
b801d8b2 | 1870 | |
6908bdbd JF |
1871 | /* Special case for the pager view. */ |
1872 | if (opt_pipe) { | |
1873 | view->pipe = opt_pipe; | |
1874 | opt_pipe = NULL; | |
1875 | } else { | |
1876 | view->pipe = popen(view->cmd, "r"); | |
1877 | } | |
1878 | ||
2e8488b4 JF |
1879 | if (!view->pipe) |
1880 | return FALSE; | |
b801d8b2 | 1881 | |
6b161b31 | 1882 | set_nonblocking_input(TRUE); |
b801d8b2 JF |
1883 | |
1884 | view->offset = 0; | |
1885 | view->lines = 0; | |
1886 | view->lineno = 0; | |
739e81de | 1887 | string_copy_rev(view->vid, view->id); |
b801d8b2 | 1888 | |
2e8488b4 JF |
1889 | if (view->line) { |
1890 | int i; | |
1891 | ||
1892 | for (i = 0; i < view->lines; i++) | |
fe7233c3 JF |
1893 | if (view->line[i].data) |
1894 | free(view->line[i].data); | |
2e8488b4 JF |
1895 | |
1896 | free(view->line); | |
1897 | view->line = NULL; | |
1898 | } | |
1899 | ||
1900 | view->start_time = time(NULL); | |
1901 | ||
b801d8b2 JF |
1902 | return TRUE; |
1903 | } | |
1904 | ||
e2c01617 JF |
1905 | static struct line * |
1906 | realloc_lines(struct view *view, size_t line_size) | |
1907 | { | |
1908 | struct line *tmp = realloc(view->line, sizeof(*view->line) * line_size); | |
1909 | ||
1910 | if (!tmp) | |
1911 | return NULL; | |
1912 | ||
1913 | view->line = tmp; | |
1914 | view->line_size = line_size; | |
1915 | return view->line; | |
1916 | } | |
1917 | ||
03a93dbb | 1918 | static bool |
b801d8b2 JF |
1919 | update_view(struct view *view) |
1920 | { | |
6b68fd24 JF |
1921 | char in_buffer[BUFSIZ]; |
1922 | char out_buffer[BUFSIZ * 2]; | |
b801d8b2 | 1923 | char *line; |
82e78006 JF |
1924 | /* The number of lines to read. If too low it will cause too much |
1925 | * redrawing (and possible flickering), if too high responsiveness | |
1926 | * will suffer. */ | |
8855ada4 | 1927 | unsigned long lines = view->height; |
82e78006 | 1928 | int redraw_from = -1; |
b801d8b2 JF |
1929 | |
1930 | if (!view->pipe) | |
1931 | return TRUE; | |
1932 | ||
82e78006 JF |
1933 | /* Only redraw if lines are visible. */ |
1934 | if (view->offset + view->height >= view->lines) | |
1935 | redraw_from = view->lines - view->offset; | |
b801d8b2 | 1936 | |
699ae55b | 1937 | /* FIXME: This is probably not perfect for backgrounded views. */ |
e2c01617 | 1938 | if (!realloc_lines(view, view->lines + lines)) |
b801d8b2 JF |
1939 | goto alloc_error; |
1940 | ||
6b68fd24 JF |
1941 | while ((line = fgets(in_buffer, sizeof(in_buffer), view->pipe))) { |
1942 | size_t linelen = strlen(line); | |
b801d8b2 | 1943 | |
b801d8b2 JF |
1944 | if (linelen) |
1945 | line[linelen - 1] = 0; | |
1946 | ||
6b68fd24 | 1947 | if (opt_iconv != ICONV_NONE) { |
e47afdf2 | 1948 | ICONV_CONST char *inbuf = line; |
6b68fd24 JF |
1949 | size_t inlen = linelen; |
1950 | ||
1951 | char *outbuf = out_buffer; | |
1952 | size_t outlen = sizeof(out_buffer); | |
1953 | ||
1954 | size_t ret; | |
1955 | ||
7361622d | 1956 | ret = iconv(opt_iconv, &inbuf, &inlen, &outbuf, &outlen); |
6b68fd24 JF |
1957 | if (ret != (size_t) -1) { |
1958 | line = out_buffer; | |
1959 | linelen = strlen(out_buffer); | |
1960 | } | |
1961 | } | |
1962 | ||
701e4f5d | 1963 | if (!view->ops->read(view, line)) |
b801d8b2 | 1964 | goto alloc_error; |
fd85fef1 JF |
1965 | |
1966 | if (lines-- == 1) | |
1967 | break; | |
b801d8b2 JF |
1968 | } |
1969 | ||
8855ada4 JF |
1970 | { |
1971 | int digits; | |
1972 | ||
1973 | lines = view->lines; | |
1974 | for (digits = 0; lines; digits++) | |
1975 | lines /= 10; | |
1976 | ||
1977 | /* Keep the displayed view in sync with line number scaling. */ | |
1978 | if (digits != view->digits) { | |
1979 | view->digits = digits; | |
1980 | redraw_from = 0; | |
1981 | } | |
1982 | } | |
1983 | ||
699ae55b JF |
1984 | if (!view_is_displayed(view)) |
1985 | goto check_pipe; | |
1986 | ||
e733ee54 JF |
1987 | if (view == VIEW(REQ_VIEW_TREE)) { |
1988 | /* Clear the view and redraw everything since the tree sorting | |
1989 | * might have rearranged things. */ | |
1990 | redraw_view(view); | |
1991 | ||
1992 | } else if (redraw_from >= 0) { | |
82e78006 | 1993 | /* If this is an incremental update, redraw the previous line |
a28bcc22 JF |
1994 | * since for commits some members could have changed when |
1995 | * loading the main view. */ | |
82e78006 JF |
1996 | if (redraw_from > 0) |
1997 | redraw_from--; | |
1998 | ||
9eded379 JF |
1999 | /* Since revision graph visualization requires knowledge |
2000 | * about the parent commit, it causes a further one-off | |
2001 | * needed to be redrawn for incremental updates. */ | |
2002 | if (redraw_from > 0 && opt_rev_graph) | |
2003 | redraw_from--; | |
2004 | ||
82e78006 JF |
2005 | /* Incrementally draw avoids flickering. */ |
2006 | redraw_view_from(view, redraw_from); | |
4c6fabc2 | 2007 | } |
b801d8b2 | 2008 | |
eb98559e JF |
2009 | /* Update the title _after_ the redraw so that if the redraw picks up a |
2010 | * commit reference in view->ref it'll be available here. */ | |
2011 | update_view_title(view); | |
2012 | ||
699ae55b | 2013 | check_pipe: |
b801d8b2 | 2014 | if (ferror(view->pipe)) { |
03a93dbb | 2015 | report("Failed to read: %s", strerror(errno)); |
b801d8b2 JF |
2016 | goto end; |
2017 | ||
2018 | } else if (feof(view->pipe)) { | |
f97f4012 | 2019 | report(""); |
b801d8b2 JF |
2020 | goto end; |
2021 | } | |
2022 | ||
2023 | return TRUE; | |
2024 | ||
2025 | alloc_error: | |
2e8488b4 | 2026 | report("Allocation failure"); |
b801d8b2 JF |
2027 | |
2028 | end: | |
be04d936 | 2029 | view->ops->read(view, NULL); |
b801d8b2 JF |
2030 | end_update(view); |
2031 | return FALSE; | |
2032 | } | |
2033 | ||
0a0d8910 | 2034 | static struct line * |
e314c36d | 2035 | add_line_data(struct view *view, void *data, enum line_type type) |
0a0d8910 | 2036 | { |
e314c36d | 2037 | struct line *line = &view->line[view->lines++]; |
0a0d8910 | 2038 | |
e314c36d | 2039 | memset(line, 0, sizeof(*line)); |
0a0d8910 | 2040 | line->type = type; |
e314c36d | 2041 | line->data = data; |
0a0d8910 JF |
2042 | |
2043 | return line; | |
2044 | } | |
2045 | ||
e314c36d JF |
2046 | static struct line * |
2047 | add_line_text(struct view *view, char *data, enum line_type type) | |
2048 | { | |
2049 | if (data) | |
2050 | data = strdup(data); | |
2051 | ||
2052 | return data ? add_line_data(view, data, type) : NULL; | |
2053 | } | |
2054 | ||
79d445ca | 2055 | |
e10154d5 JF |
2056 | /* |
2057 | * View opening | |
2058 | */ | |
2059 | ||
49f2b43f JF |
2060 | enum open_flags { |
2061 | OPEN_DEFAULT = 0, /* Use default view switching. */ | |
2062 | OPEN_SPLIT = 1, /* Split current view. */ | |
2063 | OPEN_BACKGROUNDED = 2, /* Backgrounded. */ | |
2064 | OPEN_RELOAD = 4, /* Reload view even if it is the current. */ | |
2065 | }; | |
2066 | ||
6b161b31 | 2067 | static void |
49f2b43f | 2068 | open_view(struct view *prev, enum request request, enum open_flags flags) |
b801d8b2 | 2069 | { |
49f2b43f JF |
2070 | bool backgrounded = !!(flags & OPEN_BACKGROUNDED); |
2071 | bool split = !!(flags & OPEN_SPLIT); | |
2072 | bool reload = !!(flags & OPEN_RELOAD); | |
a28bcc22 | 2073 | struct view *view = VIEW(request); |
9f41488f | 2074 | int nviews = displayed_views(); |
6e950a52 | 2075 | struct view *base_view = display[0]; |
b801d8b2 | 2076 | |
49f2b43f | 2077 | if (view == prev && nviews == 1 && !reload) { |
6b161b31 JF |
2078 | report("Already in %s view", view->name); |
2079 | return; | |
2080 | } | |
b801d8b2 | 2081 | |
f098944b JF |
2082 | if (view->ops->open) { |
2083 | if (!view->ops->open(view)) { | |
2084 | report("Failed to load %s view", view->name); | |
2085 | return; | |
2086 | } | |
2509b112 JF |
2087 | |
2088 | } else if ((reload || strcmp(view->vid, view->id)) && | |
2089 | !begin_update(view)) { | |
6b161b31 JF |
2090 | report("Failed to load %s view", view->name); |
2091 | return; | |
2092 | } | |
a28bcc22 | 2093 | |
6b161b31 | 2094 | if (split) { |
8d741c06 | 2095 | display[1] = view; |
6b161b31 | 2096 | if (!backgrounded) |
8d741c06 | 2097 | current_view = 1; |
6b161b31 JF |
2098 | } else { |
2099 | /* Maximize the current view. */ | |
2100 | memset(display, 0, sizeof(display)); | |
2101 | current_view = 0; | |
2102 | display[current_view] = view; | |
a28bcc22 | 2103 | } |
b801d8b2 | 2104 | |
6e950a52 JF |
2105 | /* Resize the view when switching between split- and full-screen, |
2106 | * or when switching between two different full-screen views. */ | |
2107 | if (nviews != displayed_views() || | |
2108 | (nviews == 1 && base_view != display[0])) | |
a006db63 | 2109 | resize_display(); |
b801d8b2 | 2110 | |
a8891802 | 2111 | if (split && prev->lineno - prev->offset >= prev->height) { |
03a93dbb | 2112 | /* Take the title line into account. */ |
eb98559e | 2113 | int lines = prev->lineno - prev->offset - prev->height + 1; |
03a93dbb JF |
2114 | |
2115 | /* Scroll the view that was split if the current line is | |
2116 | * outside the new limited view. */ | |
8c317212 | 2117 | do_scroll_view(prev, lines); |
03a93dbb JF |
2118 | } |
2119 | ||
6b161b31 | 2120 | if (prev && view != prev) { |
9b995f0c | 2121 | if (split && !backgrounded) { |
f0b3ab80 JF |
2122 | /* "Blur" the previous view. */ |
2123 | update_view_title(prev); | |
9f396969 | 2124 | } |
f0b3ab80 | 2125 | |
f6da0b66 | 2126 | view->parent = prev; |
b801d8b2 JF |
2127 | } |
2128 | ||
9f396969 | 2129 | if (view->pipe && view->lines == 0) { |
03a93dbb JF |
2130 | /* Clear the old view and let the incremental updating refill |
2131 | * the screen. */ | |
2132 | wclear(view->win); | |
f97f4012 | 2133 | report(""); |
03a93dbb JF |
2134 | } else { |
2135 | redraw_view(view); | |
24b5b3e0 | 2136 | report(""); |
03a93dbb | 2137 | } |
6706b2ba JF |
2138 | |
2139 | /* If the view is backgrounded the above calls to report() | |
2140 | * won't redraw the view title. */ | |
2141 | if (backgrounded) | |
2142 | update_view_title(view); | |
b801d8b2 JF |
2143 | } |
2144 | ||
0cea0d43 JF |
2145 | static void |
2146 | open_editor(struct view *view, char *file) | |
2147 | { | |
2148 | char cmd[SIZEOF_STR]; | |
2149 | char file_sq[SIZEOF_STR]; | |
2150 | char *editor; | |
2151 | ||
2152 | editor = getenv("GIT_EDITOR"); | |
2153 | if (!editor && *opt_editor) | |
2154 | editor = opt_editor; | |
2155 | if (!editor) | |
2156 | editor = getenv("VISUAL"); | |
2157 | if (!editor) | |
2158 | editor = getenv("EDITOR"); | |
2159 | if (!editor) | |
2160 | editor = "vi"; | |
2161 | ||
2162 | if (sq_quote(file_sq, 0, file) < sizeof(file_sq) && | |
2163 | string_format(cmd, "%s %s", editor, file_sq)) { | |
2164 | def_prog_mode(); /* save current tty modes */ | |
2165 | endwin(); /* restore original tty modes */ | |
2166 | system(cmd); | |
2167 | reset_prog_mode(); | |
2168 | redraw_display(); | |
2169 | } | |
2170 | } | |
b801d8b2 | 2171 | |
6b161b31 JF |
2172 | /* |
2173 | * User request switch noodle | |
2174 | */ | |
2175 | ||
b801d8b2 | 2176 | static int |
6b161b31 | 2177 | view_driver(struct view *view, enum request request) |
b801d8b2 | 2178 | { |
b801d8b2 JF |
2179 | int i; |
2180 | ||
586c423d JF |
2181 | if (view && view->lines) { |
2182 | request = view->ops->request(view, request, &view->line[view->lineno]); | |
2183 | if (request == REQ_NONE) | |
2184 | return TRUE; | |
2185 | } | |
2186 | ||
b801d8b2 | 2187 | switch (request) { |
4a2909a7 JF |
2188 | case REQ_MOVE_UP: |
2189 | case REQ_MOVE_DOWN: | |
2190 | case REQ_MOVE_PAGE_UP: | |
2191 | case REQ_MOVE_PAGE_DOWN: | |
2192 | case REQ_MOVE_FIRST_LINE: | |
2193 | case REQ_MOVE_LAST_LINE: | |
8522ecc7 | 2194 | move_view(view, request); |
fd85fef1 JF |
2195 | break; |
2196 | ||
4a2909a7 JF |
2197 | case REQ_SCROLL_LINE_DOWN: |
2198 | case REQ_SCROLL_LINE_UP: | |
2199 | case REQ_SCROLL_PAGE_DOWN: | |
2200 | case REQ_SCROLL_PAGE_UP: | |
a28bcc22 | 2201 | scroll_view(view, request); |
b801d8b2 JF |
2202 | break; |
2203 | ||
e733ee54 JF |
2204 | case REQ_VIEW_BLOB: |
2205 | if (!ref_blob[0]) { | |
550cd4b5 JF |
2206 | report("No file chosen, press %s to open tree view", |
2207 | get_key(REQ_VIEW_TREE)); | |
e733ee54 JF |
2208 | break; |
2209 | } | |
5c4358d1 JF |
2210 | open_view(view, request, OPEN_DEFAULT); |
2211 | break; | |
2212 | ||
2213 | case REQ_VIEW_PAGER: | |
b64c5b75 | 2214 | if (!opt_pipe && !VIEW(REQ_VIEW_PAGER)->lines) { |
5c4358d1 JF |
2215 | report("No pager content, press %s to run command from prompt", |
2216 | get_key(REQ_PROMPT)); | |
2217 | break; | |
2218 | } | |
2219 | open_view(view, request, OPEN_DEFAULT); | |
2220 | break; | |
2221 | ||
3e634113 JF |
2222 | case REQ_VIEW_STAGE: |
2223 | if (!VIEW(REQ_VIEW_STAGE)->lines) { | |
2224 | report("No stage content, press %s to open the status view and choose file", | |
2225 | get_key(REQ_VIEW_STATUS)); | |
2226 | break; | |
2227 | } | |
2228 | open_view(view, request, OPEN_DEFAULT); | |
2229 | break; | |
2230 | ||
4a2909a7 | 2231 | case REQ_VIEW_MAIN: |
4a2909a7 | 2232 | case REQ_VIEW_DIFF: |
2e8488b4 | 2233 | case REQ_VIEW_LOG: |
e733ee54 | 2234 | case REQ_VIEW_TREE: |
2e8488b4 | 2235 | case REQ_VIEW_HELP: |
173d76ea | 2236 | case REQ_VIEW_STATUS: |
49f2b43f | 2237 | open_view(view, request, OPEN_DEFAULT); |
b801d8b2 JF |
2238 | break; |
2239 | ||
b3a54cba JF |
2240 | case REQ_NEXT: |
2241 | case REQ_PREVIOUS: | |
2242 | request = request == REQ_NEXT ? REQ_MOVE_DOWN : REQ_MOVE_UP; | |
2243 | ||
e733ee54 JF |
2244 | if ((view == VIEW(REQ_VIEW_DIFF) && |
2245 | view->parent == VIEW(REQ_VIEW_MAIN)) || | |
3e634113 | 2246 | (view == VIEW(REQ_VIEW_STAGE) && |
b9b5b4cd | 2247 | view->parent == VIEW(REQ_VIEW_STATUS)) || |
e733ee54 JF |
2248 | (view == VIEW(REQ_VIEW_BLOB) && |
2249 | view->parent == VIEW(REQ_VIEW_TREE))) { | |
03400136 WF |
2250 | int line; |
2251 | ||
b3a54cba | 2252 | view = view->parent; |
03400136 | 2253 | line = view->lineno; |
8522ecc7 JF |
2254 | move_view(view, request); |
2255 | if (view_is_displayed(view)) | |
f0b3ab80 | 2256 | update_view_title(view); |
328d27f7 JF |
2257 | if (line != view->lineno) |
2258 | view->ops->request(view, REQ_ENTER, | |
2259 | &view->line[view->lineno]); | |
2260 | ||
b3a54cba | 2261 | } else { |
8522ecc7 | 2262 | move_view(view, request); |
b3a54cba | 2263 | } |
328d27f7 | 2264 | break; |
6b161b31 | 2265 | |
03a93dbb JF |
2266 | case REQ_VIEW_NEXT: |
2267 | { | |
9f41488f | 2268 | int nviews = displayed_views(); |
03a93dbb JF |
2269 | int next_view = (current_view + 1) % nviews; |
2270 | ||
2271 | if (next_view == current_view) { | |
2272 | report("Only one view is displayed"); | |
2273 | break; | |
2274 | } | |
2275 | ||
2276 | current_view = next_view; | |
2277 | /* Blur out the title of the previous view. */ | |
2278 | update_view_title(view); | |
6734f6b9 | 2279 | report(""); |
03a93dbb JF |
2280 | break; |
2281 | } | |
24b5b3e0 | 2282 | case REQ_TOGGLE_LINENO: |
b76c2afc | 2283 | opt_line_number = !opt_line_number; |
20bb5e18 | 2284 | redraw_display(); |
b801d8b2 JF |
2285 | break; |
2286 | ||
54efb62b JF |
2287 | case REQ_TOGGLE_REV_GRAPH: |
2288 | opt_rev_graph = !opt_rev_graph; | |
2289 | redraw_display(); | |
2290 | break; | |
2291 | ||
03a93dbb | 2292 | case REQ_PROMPT: |
8855ada4 | 2293 | /* Always reload^Wrerun commands from the prompt. */ |
49f2b43f | 2294 | open_view(view, opt_request, OPEN_RELOAD); |
03a93dbb JF |
2295 | break; |
2296 | ||
4af34daa JF |
2297 | case REQ_SEARCH: |
2298 | case REQ_SEARCH_BACK: | |
c02d8fce | 2299 | search_view(view, request); |
4af34daa JF |
2300 | break; |
2301 | ||
2302 | case REQ_FIND_NEXT: | |
2303 | case REQ_FIND_PREV: | |
2304 | find_next(view, request); | |
2305 | break; | |
2306 | ||
4a2909a7 | 2307 | case REQ_STOP_LOADING: |
59a45d3a JF |
2308 | for (i = 0; i < ARRAY_SIZE(views); i++) { |
2309 | view = &views[i]; | |
2e8488b4 | 2310 | if (view->pipe) |
6a7bb912 | 2311 | report("Stopped loading the %s view", view->name), |
03a93dbb JF |
2312 | end_update(view); |
2313 | } | |
b801d8b2 JF |
2314 | break; |
2315 | ||
4a2909a7 | 2316 | case REQ_SHOW_VERSION: |
ec31d0d0 | 2317 | report("tig-%s (built %s)", TIG_VERSION, __DATE__); |
b801d8b2 JF |
2318 | return TRUE; |
2319 | ||
fac7db6c JF |
2320 | case REQ_SCREEN_RESIZE: |
2321 | resize_display(); | |
2322 | /* Fall-through */ | |
4a2909a7 | 2323 | case REQ_SCREEN_REDRAW: |
20bb5e18 | 2324 | redraw_display(); |
4a2909a7 JF |
2325 | break; |
2326 | ||
0cea0d43 JF |
2327 | case REQ_EDIT: |
2328 | report("Nothing to edit"); | |
531c6c69 JF |
2329 | break; |
2330 | ||
226da94b JF |
2331 | case REQ_CHERRY_PICK: |
2332 | report("Nothing to cherry-pick"); | |
2333 | break; | |
2334 | ||
531c6c69 JF |
2335 | case REQ_ENTER: |
2336 | report("Nothing to enter"); | |
2337 | break; | |
ca1d71ea | 2338 | |
b801d8b2 | 2339 | |
4f9b667a | 2340 | case REQ_VIEW_CLOSE: |
2fcf5401 JF |
2341 | /* XXX: Mark closed views by letting view->parent point to the |
2342 | * view itself. Parents to closed view should never be | |
2343 | * followed. */ | |
2344 | if (view->parent && | |
2345 | view->parent->parent != view->parent) { | |
4f9b667a JF |
2346 | memset(display, 0, sizeof(display)); |
2347 | current_view = 0; | |
f6da0b66 | 2348 | display[current_view] = view->parent; |
2fcf5401 | 2349 | view->parent = view; |
4f9b667a JF |
2350 | resize_display(); |
2351 | redraw_display(); | |
2352 | break; | |
2353 | } | |
2354 | /* Fall-through */ | |
b801d8b2 JF |
2355 | case REQ_QUIT: |
2356 | return FALSE; | |
2357 | ||
2358 | default: | |
2e8488b4 | 2359 | /* An unknown key will show most commonly used commands. */ |
468876c9 | 2360 | report("Unknown key, press 'h' for help"); |
b801d8b2 JF |
2361 | return TRUE; |
2362 | } | |
2363 | ||
2364 | return TRUE; | |
2365 | } | |
2366 | ||
2367 | ||
2368 | /* | |
ff26aa29 | 2369 | * Pager backend |
b801d8b2 JF |
2370 | */ |
2371 | ||
6b161b31 | 2372 | static bool |
5dcf8064 | 2373 | pager_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) |
b801d8b2 | 2374 | { |
fe7233c3 JF |
2375 | char *text = line->data; |
2376 | enum line_type type = line->type; | |
2377 | int textlen = strlen(text); | |
78c70acd | 2378 | int attr; |
b801d8b2 | 2379 | |
6706b2ba JF |
2380 | wmove(view->win, lineno, 0); |
2381 | ||
5dcf8064 | 2382 | if (selected) { |
78c70acd | 2383 | type = LINE_CURSOR; |
6706b2ba | 2384 | wchgat(view->win, -1, 0, type, NULL); |
fd85fef1 JF |
2385 | } |
2386 | ||
78c70acd | 2387 | attr = get_line_attr(type); |
b801d8b2 | 2388 | wattrset(view->win, attr); |
b76c2afc | 2389 | |
6706b2ba JF |
2390 | if (opt_line_number || opt_tab_size < TABSIZE) { |
2391 | static char spaces[] = " "; | |
2392 | int col_offset = 0, col = 0; | |
2393 | ||
2394 | if (opt_line_number) { | |
2395 | unsigned long real_lineno = view->offset + lineno + 1; | |
82e78006 | 2396 | |
6706b2ba JF |
2397 | if (real_lineno == 1 || |
2398 | (real_lineno % opt_num_interval) == 0) { | |
2399 | wprintw(view->win, "%.*d", view->digits, real_lineno); | |
8855ada4 | 2400 | |
6706b2ba JF |
2401 | } else { |
2402 | waddnstr(view->win, spaces, | |
2403 | MIN(view->digits, STRING_SIZE(spaces))); | |
2404 | } | |
2405 | waddstr(view->win, ": "); | |
2406 | col_offset = view->digits + 2; | |
2407 | } | |
8855ada4 | 2408 | |
fe7233c3 | 2409 | while (text && col_offset + col < view->width) { |
6706b2ba | 2410 | int cols_max = view->width - col_offset - col; |
fe7233c3 | 2411 | char *pos = text; |
6706b2ba | 2412 | int cols; |
4c6fabc2 | 2413 | |
fe7233c3 JF |
2414 | if (*text == '\t') { |
2415 | text++; | |
6706b2ba | 2416 | assert(sizeof(spaces) > TABSIZE); |
fe7233c3 | 2417 | pos = spaces; |
6706b2ba | 2418 | cols = opt_tab_size - (col % opt_tab_size); |
82e78006 | 2419 | |
b76c2afc | 2420 | } else { |
fe7233c3 JF |
2421 | text = strchr(text, '\t'); |
2422 | cols = line ? text - pos : strlen(pos); | |
b76c2afc | 2423 | } |
6706b2ba | 2424 | |
fe7233c3 | 2425 | waddnstr(view->win, pos, MIN(cols, cols_max)); |
6706b2ba | 2426 | col += cols; |
b76c2afc | 2427 | } |
b76c2afc JF |
2428 | |
2429 | } else { | |
6706b2ba | 2430 | int col = 0, pos = 0; |
b801d8b2 | 2431 | |
fe7233c3 JF |
2432 | for (; pos < textlen && col < view->width; pos++, col++) |
2433 | if (text[pos] == '\t') | |
6706b2ba JF |
2434 | col += TABSIZE - (col % TABSIZE) - 1; |
2435 | ||
fe7233c3 | 2436 | waddnstr(view->win, text, pos); |
6706b2ba | 2437 | } |
2e8488b4 | 2438 | |
b801d8b2 JF |
2439 | return TRUE; |
2440 | } | |
2441 | ||
dc23c0e3 | 2442 | static bool |
d65ced0d | 2443 | add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) |
dc23c0e3 | 2444 | { |
17482b11 | 2445 | char refbuf[SIZEOF_STR]; |
dc23c0e3 JF |
2446 | char *ref = NULL; |
2447 | FILE *pipe; | |
2448 | ||
d3c345f7 | 2449 | if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) |
dc23c0e3 JF |
2450 | return TRUE; |
2451 | ||
2452 | pipe = popen(refbuf, "r"); | |
2453 | if (!pipe) | |
2454 | return TRUE; | |
2455 | ||
2456 | if ((ref = fgets(refbuf, sizeof(refbuf), pipe))) | |
2457 | ref = chomp_string(ref); | |
2458 | pclose(pipe); | |
2459 | ||
2460 | if (!ref || !*ref) | |
2461 | return TRUE; | |
2462 | ||
2463 | /* This is the only fatal call, since it can "corrupt" the buffer. */ | |
17482b11 | 2464 | if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref)) |
dc23c0e3 JF |
2465 | return FALSE; |
2466 | ||
2467 | return TRUE; | |
2468 | } | |
2469 | ||
7b99a34c JF |
2470 | static void |
2471 | add_pager_refs(struct view *view, struct line *line) | |
2472 | { | |
17482b11 | 2473 | char buf[SIZEOF_STR]; |
c9ca1ec3 | 2474 | char *commit_id = line->data + STRING_SIZE("commit "); |
7b99a34c | 2475 | struct ref **refs; |
d65ced0d | 2476 | size_t bufpos = 0, refpos = 0; |
7b99a34c | 2477 | const char *sep = "Refs: "; |
dc23c0e3 | 2478 | bool is_tag = FALSE; |
7b99a34c JF |
2479 | |
2480 | assert(line->type == LINE_COMMIT); | |
2481 | ||
c9ca1ec3 | 2482 | refs = get_refs(commit_id); |
dc23c0e3 JF |
2483 | if (!refs) { |
2484 | if (view == VIEW(REQ_VIEW_DIFF)) | |
2485 | goto try_add_describe_ref; | |
7b99a34c | 2486 | return; |
dc23c0e3 | 2487 | } |
7b99a34c JF |
2488 | |
2489 | do { | |
cc2d1364 | 2490 | struct ref *ref = refs[refpos]; |
e15ec88e JF |
2491 | char *fmt = ref->tag ? "%s[%s]" : |
2492 | ref->remote ? "%s<%s>" : "%s%s"; | |
7b99a34c | 2493 | |
cc2d1364 JF |
2494 | if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) |
2495 | return; | |
7b99a34c | 2496 | sep = ", "; |
dc23c0e3 JF |
2497 | if (ref->tag) |
2498 | is_tag = TRUE; | |
7b99a34c JF |
2499 | } while (refs[refpos++]->next); |
2500 | ||
dc23c0e3 JF |
2501 | if (!is_tag && view == VIEW(REQ_VIEW_DIFF)) { |
2502 | try_add_describe_ref: | |
d42c8a35 | 2503 | /* Add <tag>-g<commit_id> "fake" reference. */ |
dc23c0e3 JF |
2504 | if (!add_describe_ref(buf, &bufpos, commit_id, sep)) |
2505 | return; | |
2506 | } | |
2507 | ||
d42c8a35 JF |
2508 | if (bufpos == 0) |
2509 | return; | |
2510 | ||
cc2d1364 | 2511 | if (!realloc_lines(view, view->line_size + 1)) |
7b99a34c JF |
2512 | return; |
2513 | ||
0a0d8910 | 2514 | add_line_text(view, buf, LINE_PP_REFS); |
7b99a34c JF |
2515 | } |
2516 | ||
6b161b31 | 2517 | static bool |
701e4f5d | 2518 | pager_read(struct view *view, char *data) |
22f66b0a | 2519 | { |
0a0d8910 | 2520 | struct line *line; |
22f66b0a | 2521 | |
be04d936 JF |
2522 | if (!data) |
2523 | return TRUE; | |
2524 | ||
0a0d8910 JF |
2525 | line = add_line_text(view, data, get_line_type(data)); |
2526 | if (!line) | |
7b99a34c | 2527 | return FALSE; |
fe7233c3 | 2528 | |
7b99a34c JF |
2529 | if (line->type == LINE_COMMIT && |
2530 | (view == VIEW(REQ_VIEW_DIFF) || | |
2531 | view == VIEW(REQ_VIEW_LOG))) | |
2532 | add_pager_refs(view, line); | |
2533 | ||
22f66b0a JF |
2534 | return TRUE; |
2535 | } | |
2536 | ||
586c423d JF |
2537 | static enum request |
2538 | pager_request(struct view *view, enum request request, struct line *line) | |
6b161b31 | 2539 | { |
91e8e277 | 2540 | int split = 0; |
6b161b31 | 2541 | |
586c423d JF |
2542 | if (request != REQ_ENTER) |
2543 | return request; | |
2544 | ||
9fbbd28f JF |
2545 | if (line->type == LINE_COMMIT && |
2546 | (view == VIEW(REQ_VIEW_LOG) || | |
2547 | view == VIEW(REQ_VIEW_PAGER))) { | |
91e8e277 JF |
2548 | open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT); |
2549 | split = 1; | |
67e48ac5 JF |
2550 | } |
2551 | ||
91e8e277 JF |
2552 | /* Always scroll the view even if it was split. That way |
2553 | * you can use Enter to scroll through the log view and | |
2554 | * split open each commit diff. */ | |
2555 | scroll_view(view, REQ_SCROLL_LINE_DOWN); | |
2556 | ||
2557 | /* FIXME: A minor workaround. Scrolling the view will call report("") | |
9d82d824 JF |
2558 | * but if we are scrolling a non-current view this won't properly |
2559 | * update the view title. */ | |
91e8e277 JF |
2560 | if (split) |
2561 | update_view_title(view); | |
6b161b31 | 2562 | |
586c423d | 2563 | return REQ_NONE; |
6b161b31 JF |
2564 | } |
2565 | ||
4af34daa JF |
2566 | static bool |
2567 | pager_grep(struct view *view, struct line *line) | |
2568 | { | |
2569 | regmatch_t pmatch; | |
2570 | char *text = line->data; | |
2571 | ||
2572 | if (!*text) | |
2573 | return FALSE; | |
2574 | ||
b77b2cb8 | 2575 | if (regexec(view->regex, text, 1, &pmatch, 0) == REG_NOMATCH) |
4af34daa JF |
2576 | return FALSE; |
2577 | ||
2578 | return TRUE; | |
2579 | } | |
2580 | ||
d720de4b JF |
2581 | static void |
2582 | pager_select(struct view *view, struct line *line) | |
2583 | { | |
2584 | if (line->type == LINE_COMMIT) { | |
035ba11f | 2585 | char *text = line->data + STRING_SIZE("commit "); |
d720de4b | 2586 | |
035ba11f | 2587 | if (view != VIEW(REQ_VIEW_PAGER)) |
2463b4ea JF |
2588 | string_copy_rev(view->ref, text); |
2589 | string_copy_rev(ref_commit, text); | |
d720de4b JF |
2590 | } |
2591 | } | |
2592 | ||
6b161b31 | 2593 | static struct view_ops pager_ops = { |
6734f6b9 | 2594 | "line", |
f098944b | 2595 | NULL, |
6b161b31 | 2596 | pager_read, |
f098944b | 2597 | pager_draw, |
586c423d | 2598 | pager_request, |
f098944b JF |
2599 | pager_grep, |
2600 | pager_select, | |
2601 | }; | |
2602 | ||
2603 | ||
2604 | /* | |
2605 | * Help backend | |
2606 | */ | |
2607 | ||
2608 | static bool | |
2609 | help_open(struct view *view) | |
2610 | { | |
2611 | char buf[BUFSIZ]; | |
2612 | int lines = ARRAY_SIZE(req_info) + 2; | |
2613 | int i; | |
2614 | ||
2615 | if (view->lines > 0) | |
2616 | return TRUE; | |
2617 | ||
2618 | for (i = 0; i < ARRAY_SIZE(req_info); i++) | |
2619 | if (!req_info[i].request) | |
2620 | lines++; | |
2621 | ||
2622 | view->line = calloc(lines, sizeof(*view->line)); | |
2623 | if (!view->line) | |
2624 | return FALSE; | |
2625 | ||
2626 | add_line_text(view, "Quick reference for tig keybindings:", LINE_DEFAULT); | |
2627 | ||
2628 | for (i = 0; i < ARRAY_SIZE(req_info); i++) { | |
2629 | char *key; | |
2630 | ||
2631 | if (!req_info[i].request) { | |
2632 | add_line_text(view, "", LINE_DEFAULT); | |
2633 | add_line_text(view, req_info[i].help, LINE_DEFAULT); | |
2634 | continue; | |
2635 | } | |
2636 | ||
2637 | key = get_key(req_info[i].request); | |
2638 | if (!string_format(buf, " %-25s %s", key, req_info[i].help)) | |
2639 | continue; | |
2640 | ||
2641 | add_line_text(view, buf, LINE_DEFAULT); | |
2642 | } | |
2643 | ||
2644 | return TRUE; | |
2645 | } | |
2646 | ||
2647 | static struct view_ops help_ops = { | |
2648 | "line", | |
2649 | help_open, | |
2650 | NULL, | |
2651 | pager_draw, | |
586c423d | 2652 | pager_request, |
4af34daa | 2653 | pager_grep, |
d720de4b | 2654 | pager_select, |
6b161b31 JF |
2655 | }; |
2656 | ||
80ce96ea | 2657 | |
ff26aa29 | 2658 | /* |
e733ee54 JF |
2659 | * Tree backend |
2660 | */ | |
2661 | ||
69efc854 JF |
2662 | struct tree_stack_entry { |
2663 | struct tree_stack_entry *prev; /* Entry below this in the stack */ | |
2664 | unsigned long lineno; /* Line number to restore */ | |
2665 | char *name; /* Position of name in opt_path */ | |
2666 | }; | |
2667 | ||
2668 | /* The top of the path stack. */ | |
2669 | static struct tree_stack_entry *tree_stack = NULL; | |
2670 | unsigned long tree_lineno = 0; | |
2671 | ||
2672 | static void | |
2673 | pop_tree_stack_entry(void) | |
2674 | { | |
2675 | struct tree_stack_entry *entry = tree_stack; | |
2676 | ||
2677 | tree_lineno = entry->lineno; | |
2678 | entry->name[0] = 0; | |
2679 | tree_stack = entry->prev; | |
2680 | free(entry); | |
2681 | } | |
2682 | ||
2683 | static void | |
2684 | push_tree_stack_entry(char *name, unsigned long lineno) | |
2685 | { | |
2686 | struct tree_stack_entry *entry = calloc(1, sizeof(*entry)); | |
2687 | size_t pathlen = strlen(opt_path); | |
2688 | ||
2689 | if (!entry) | |
2690 | return; | |
2691 | ||
2692 | entry->prev = tree_stack; | |
2693 | entry->name = opt_path + pathlen; | |
2694 | tree_stack = entry; | |
2695 | ||
2696 | if (!string_format_from(opt_path, &pathlen, "%s/", name)) { | |
2697 | pop_tree_stack_entry(); | |
2698 | return; | |
2699 | } | |
2700 | ||
2701 | /* Move the current line to the first tree entry. */ | |
2702 | tree_lineno = 1; | |
2703 | entry->lineno = lineno; | |
2704 | } | |
2705 | ||
4795d620 | 2706 | /* Parse output from git-ls-tree(1): |
e733ee54 JF |
2707 | * |
2708 | * 100644 blob fb0e31ea6cc679b7379631188190e975f5789c26 Makefile | |
2709 | * 100644 blob 5304ca4260aaddaee6498f9630e7d471b8591ea6 README | |
2710 | * 100644 blob f931e1d229c3e185caad4449bf5b66ed72462657 tig.c | |
2711 | * 100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38 web.conf | |
2712 | */ | |
2713 | ||
2714 | #define SIZEOF_TREE_ATTR \ | |
2715 | STRING_SIZE("100644 blob ed09fe897f3c7c9af90bcf80cae92558ea88ae38\t") | |
2716 | ||
2717 | #define TREE_UP_FORMAT "040000 tree %s\t.." | |
2718 | ||
2719 | static int | |
2720 | tree_compare_entry(enum line_type type1, char *name1, | |
2721 | enum line_type type2, char *name2) | |
2722 | { | |
2723 | if (type1 != type2) { | |
2724 | if (type1 == LINE_TREE_DIR) | |
2725 | return -1; | |
2726 | return 1; | |
2727 | } | |
2728 | ||
2729 | return strcmp(name1, name2); | |
2730 | } | |
2731 | ||
2732 | static bool | |
2733 | tree_read(struct view *view, char *text) | |
2734 | { | |
be04d936 | 2735 | size_t textlen = text ? strlen(text) : 0; |
e733ee54 JF |
2736 | char buf[SIZEOF_STR]; |
2737 | unsigned long pos; | |
2738 | enum line_type type; | |
f88a5319 | 2739 | bool first_read = view->lines == 0; |
e733ee54 JF |
2740 | |
2741 | if (textlen <= SIZEOF_TREE_ATTR) | |
2742 | return FALSE; | |
2743 | ||
2744 | type = text[STRING_SIZE("100644 ")] == 't' | |
2745 | ? LINE_TREE_DIR : LINE_TREE_FILE; | |
2746 | ||
f88a5319 | 2747 | if (first_read) { |
e733ee54 | 2748 | /* Add path info line */ |
0a0d8910 JF |
2749 | if (!string_format(buf, "Directory path /%s", opt_path) || |
2750 | !realloc_lines(view, view->line_size + 1) || | |
2751 | !add_line_text(view, buf, LINE_DEFAULT)) | |
e733ee54 JF |
2752 | return FALSE; |
2753 | ||
2754 | /* Insert "link" to parent directory. */ | |
0a0d8910 JF |
2755 | if (*opt_path) { |
2756 | if (!string_format(buf, TREE_UP_FORMAT, view->ref) || | |
2757 | !realloc_lines(view, view->line_size + 1) || | |
2758 | !add_line_text(view, buf, LINE_TREE_DIR)) | |
2759 | return FALSE; | |
2760 | } | |
e733ee54 JF |
2761 | } |
2762 | ||
2763 | /* Strip the path part ... */ | |
2764 | if (*opt_path) { | |
2765 | size_t pathlen = textlen - SIZEOF_TREE_ATTR; | |
2766 | size_t striplen = strlen(opt_path); | |
2767 | char *path = text + SIZEOF_TREE_ATTR; | |
2768 | ||
2769 | if (pathlen > striplen) | |
2770 | memmove(path, path + striplen, | |
2771 | pathlen - striplen + 1); | |
2772 | } | |
2773 | ||
2774 | /* Skip "Directory ..." and ".." line. */ | |
2775 | for (pos = 1 + !!*opt_path; pos < view->lines; pos++) { | |
2776 | struct line *line = &view->line[pos]; | |
2777 | char *path1 = ((char *) line->data) + SIZEOF_TREE_ATTR; | |
2778 | char *path2 = text + SIZEOF_TREE_ATTR; | |
2779 | int cmp = tree_compare_entry(line->type, path1, type, path2); | |
2780 | ||
2781 | if (cmp <= 0) | |
2782 | continue; | |
2783 | ||
2784 | text = strdup(text); | |
2785 | if (!text) | |
2786 | return FALSE; | |
2787 | ||
2788 | if (view->lines > pos) | |
2789 | memmove(&view->line[pos + 1], &view->line[pos], | |
2790 | (view->lines - pos) * sizeof(*line)); | |
2791 | ||
2792 | line = &view->line[pos]; | |
2793 | line->data = text; | |
2794 | line->type = type; | |
2795 | view->lines++; | |
2796 | return TRUE; | |
2797 | } | |
2798 | ||
0a0d8910 | 2799 | if (!add_line_text(view, text, type)) |
e733ee54 JF |
2800 | return FALSE; |
2801 | ||
69efc854 JF |
2802 | if (tree_lineno > view->lineno) { |
2803 | view->lineno = tree_lineno; | |
2804 | tree_lineno = 0; | |
2805 | } | |
f88a5319 | 2806 | |
e733ee54 JF |
2807 | return TRUE; |
2808 | } | |
2809 | ||
586c423d JF |
2810 | static enum request |
2811 | tree_request(struct view *view, enum request request, struct line *line) | |
e733ee54 | 2812 | { |
aac64c17 | 2813 | enum open_flags flags; |
586c423d JF |
2814 | |
2815 | if (request != REQ_ENTER) | |
2816 | return request; | |
e733ee54 | 2817 | |
69efc854 JF |
2818 | /* Cleanup the stack if the tree view is at a different tree. */ |
2819 | while (!*opt_path && tree_stack) | |
2820 | pop_tree_stack_entry(); | |
2821 | ||
e733ee54 JF |
2822 | switch (line->type) { |
2823 | case LINE_TREE_DIR: | |
2824 | /* Depending on whether it is a subdir or parent (updir?) link | |
2825 | * mangle the path buffer. */ | |
2826 | if (line == &view->line[1] && *opt_path) { | |
69efc854 | 2827 | pop_tree_stack_entry(); |
e733ee54 JF |
2828 | |
2829 | } else { | |
4795d620 | 2830 | char *data = line->data; |
e733ee54 JF |
2831 | char *basename = data + SIZEOF_TREE_ATTR; |
2832 | ||
69efc854 | 2833 | push_tree_stack_entry(basename, view->lineno); |
e733ee54 JF |
2834 | } |
2835 | ||
2836 | /* Trees and subtrees share the same ID, so they are not not | |
2837 | * unique like blobs. */ | |
aac64c17 | 2838 | flags = OPEN_RELOAD; |
e733ee54 JF |
2839 | request = REQ_VIEW_TREE; |
2840 | break; | |
2841 | ||
2842 | case LINE_TREE_FILE: | |
aac64c17 | 2843 | flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
e733ee54 JF |
2844 | request = REQ_VIEW_BLOB; |
2845 | break; | |
2846 | ||
2847 | default: | |
2848 | return TRUE; | |
2849 | } | |
2850 | ||
2851 | open_view(view, request, flags); | |
69efc854 JF |
2852 | if (request == REQ_VIEW_TREE) { |
2853 | view->lineno = tree_lineno; | |
2854 | } | |
e733ee54 | 2855 | |
586c423d | 2856 | return REQ_NONE; |
e733ee54 JF |
2857 | } |
2858 | ||
d720de4b JF |
2859 | static void |
2860 | tree_select(struct view *view, struct line *line) | |
2861 | { | |
035ba11f | 2862 | char *text = line->data + STRING_SIZE("100644 blob "); |
73c76ef5 JF |
2863 | |
2864 | if (line->type == LINE_TREE_FILE) { | |
2463b4ea | 2865 | string_copy_rev(ref_blob, text); |
d720de4b | 2866 | |
ebbaf4fe JF |
2867 | } else if (line->type != LINE_TREE_DIR) { |
2868 | return; | |
d720de4b | 2869 | } |
ebbaf4fe | 2870 | |
2463b4ea | 2871 | string_copy_rev(view->ref, text); |
d720de4b JF |
2872 | } |
2873 | ||
e733ee54 JF |
2874 | static struct view_ops tree_ops = { |
2875 | "file", | |
f098944b | 2876 | NULL, |
e733ee54 | 2877 | tree_read, |
f098944b | 2878 | pager_draw, |
586c423d | 2879 | tree_request, |
e733ee54 | 2880 | pager_grep, |
d720de4b | 2881 | tree_select, |
e733ee54 JF |
2882 | }; |
2883 | ||
2884 | static bool | |
2885 | blob_read(struct view *view, char *line) | |
2886 | { | |
c115e7ac | 2887 | return add_line_text(view, line, LINE_DEFAULT) != NULL; |
e733ee54 JF |
2888 | } |
2889 | ||
2890 | static struct view_ops blob_ops = { | |
2891 | "line", | |
f098944b | 2892 | NULL, |
e733ee54 | 2893 | blob_read, |
f098944b | 2894 | pager_draw, |
586c423d | 2895 | pager_request, |
e733ee54 | 2896 | pager_grep, |
d720de4b | 2897 | pager_select, |
e733ee54 JF |
2898 | }; |
2899 | ||
2900 | ||
2901 | /* | |
173d76ea JF |
2902 | * Status backend |
2903 | */ | |
2904 | ||
2905 | struct status { | |
2906 | char status; | |
2907 | struct { | |
2908 | mode_t mode; | |
2909 | char rev[SIZEOF_REV]; | |
2910 | } old; | |
2911 | struct { | |
2912 | mode_t mode; | |
2913 | char rev[SIZEOF_REV]; | |
2914 | } new; | |
2915 | char name[SIZEOF_STR]; | |
2916 | }; | |
2917 | ||
b33611d8 JF |
2918 | static struct status stage_status; |
2919 | static enum line_type stage_line_type; | |
2920 | ||
173d76ea JF |
2921 | /* Get fields from the diff line: |
2922 | * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M | |
2923 | */ | |
2924 | static inline bool | |
2925 | status_get_diff(struct status *file, char *buf, size_t bufsize) | |
2926 | { | |
2927 | char *old_mode = buf + 1; | |
2928 | char *new_mode = buf + 8; | |
2929 | char *old_rev = buf + 15; | |
2930 | char *new_rev = buf + 56; | |
2931 | char *status = buf + 97; | |
2932 | ||
2933 | if (bufsize != 99 || | |
2934 | old_mode[-1] != ':' || | |
2935 | new_mode[-1] != ' ' || | |
2936 | old_rev[-1] != ' ' || | |
2937 | new_rev[-1] != ' ' || | |
2938 | status[-1] != ' ') | |
2939 | return FALSE; | |
2940 | ||
2941 | file->status = *status; | |
2942 | ||
2943 | string_copy_rev(file->old.rev, old_rev); | |
2944 | string_copy_rev(file->new.rev, new_rev); | |
2945 | ||
2946 | file->old.mode = strtoul(old_mode, NULL, 8); | |
2947 | file->new.mode = strtoul(new_mode, NULL, 8); | |
2948 | ||
2949 | file->name[0] = 0; | |
2950 | ||
2951 | return TRUE; | |
2952 | } | |
2953 | ||
2954 | static bool | |
2955 | status_run(struct view *view, const char cmd[], bool diff, enum line_type type) | |
2956 | { | |
2957 | struct status *file = NULL; | |
2958 | char buf[SIZEOF_STR * 4]; | |
2959 | size_t bufsize = 0; | |
2960 | FILE *pipe; | |
2961 | ||
2962 | pipe = popen(cmd, "r"); | |
2963 | if (!pipe) | |
2964 | return FALSE; | |
2965 | ||
2966 | add_line_data(view, NULL, type); | |
2967 | ||
2968 | while (!feof(pipe) && !ferror(pipe)) { | |
2969 | char *sep; | |
2970 | size_t readsize; | |
2971 | ||
2972 | readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe); | |
2973 | if (!readsize) | |
2974 | break; | |
2975 | bufsize += readsize; | |
2976 | ||
2977 | /* Process while we have NUL chars. */ | |
2978 | while ((sep = memchr(buf, 0, bufsize))) { | |
2979 | size_t sepsize = sep - buf + 1; | |
2980 | ||
2981 | if (!file) { | |
2982 | if (!realloc_lines(view, view->line_size + 1)) | |
2983 | goto error_out; | |
2984 | ||
2985 | file = calloc(1, sizeof(*file)); | |
2986 | if (!file) | |
2987 | goto error_out; | |
2988 | ||
2989 | add_line_data(view, file, type); | |
2990 | } | |
2991 | ||
2992 | /* Parse diff info part. */ | |
2993 | if (!diff) { | |
2994 | file->status = '?'; | |
2995 | ||
2996 | } else if (!file->status) { | |
2997 | if (!status_get_diff(file, buf, sepsize)) | |
2998 | goto error_out; | |
2999 | ||
3000 | bufsize -= sepsize; | |
3001 | memmove(buf, sep + 1, bufsize); | |
3002 | ||
3003 | sep = memchr(buf, 0, bufsize); | |
3004 | if (!sep) | |
3005 | break; | |
3006 | sepsize = sep - buf + 1; | |
3007 | } | |
3008 | ||
3009 | /* git-ls-files just delivers a NUL separated | |
3010 | * list of file names similar to the second half | |
3011 | * of the git-diff-* output. */ | |
3012 | string_ncopy(file->name, buf, sepsize); | |
3013 | bufsize -= sepsize; | |
3014 | memmove(buf, sep + 1, bufsize); | |
3015 | file = NULL; | |
3016 | } | |
3017 | } | |
3018 | ||
3019 | if (ferror(pipe)) { | |
3020 | error_out: | |
3021 | pclose(pipe); | |
3022 | return FALSE; | |
3023 | } | |
3024 | ||
3025 | if (!view->line[view->lines - 1].data) | |
3026 | add_line_data(view, NULL, LINE_STAT_NONE); | |
3027 | ||
3028 | pclose(pipe); | |
3029 | return TRUE; | |
3030 | } | |
3031 | ||
3032 | #define STATUS_DIFF_INDEX_CMD "git diff-index -z --cached HEAD" | |
3033 | #define STATUS_DIFF_FILES_CMD "git diff-files -z" | |
3034 | #define STATUS_LIST_OTHER_CMD \ | |
810f0078 | 3035 | "git ls-files -z --others --exclude-per-directory=.gitignore" |
173d76ea | 3036 | |
89d917a2 JF |
3037 | #define STATUS_DIFF_SHOW_CMD \ |
3038 | "git diff --root --patch-with-stat --find-copies-harder -B -C %s -- %s 2>/dev/null" | |
3039 | ||
173d76ea JF |
3040 | /* First parse staged info using git-diff-index(1), then parse unstaged |
3041 | * info using git-diff-files(1), and finally untracked files using | |
3042 | * git-ls-files(1). */ | |
3043 | static bool | |
3044 | status_open(struct view *view) | |
3045 | { | |
810f0078 JF |
3046 | struct stat statbuf; |
3047 | char exclude[SIZEOF_STR]; | |
3048 | char cmd[SIZEOF_STR]; | |
173d76ea JF |
3049 | size_t i; |
3050 | ||
3051 | for (i = 0; i < view->lines; i++) | |
3052 | free(view->line[i].data); | |
3053 | free(view->line); | |
3054 | view->lines = view->line_size = 0; | |
3055 | view->line = NULL; | |
3056 | ||
3057 | if (!realloc_lines(view, view->line_size + 6)) | |
3058 | return FALSE; | |
3059 | ||
810f0078 JF |
3060 | if (!string_format(exclude, "%s/info/exclude", opt_git_dir)) |
3061 | return FALSE; | |
3062 | ||
3063 | string_copy(cmd, STATUS_LIST_OTHER_CMD); | |
3064 | ||
3065 | if (stat(exclude, &statbuf) >= 0) { | |
3066 | size_t cmdsize = strlen(cmd); | |
3067 | ||
3068 | if (!string_format_from(cmd, &cmdsize, " %s", "--exclude-from=") || | |
3069 | sq_quote(cmd, cmdsize, exclude) >= sizeof(cmd)) | |
3070 | return FALSE; | |
3071 | } | |
3072 | ||
173d76ea JF |
3073 | if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) || |
3074 | !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) || | |
810f0078 | 3075 | !status_run(view, cmd, FALSE, LINE_STAT_UNTRACKED)) |
173d76ea JF |
3076 | return FALSE; |
3077 | ||
3078 | return TRUE; | |
3079 | } | |
3080 | ||
3081 | static bool | |
3082 | status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3083 | { | |
3084 | struct status *status = line->data; | |
3085 | ||
3086 | wmove(view->win, lineno, 0); | |
3087 | ||
3088 | if (selected) { | |
3089 | wattrset(view->win, get_line_attr(LINE_CURSOR)); | |
3090 | wchgat(view->win, -1, 0, LINE_CURSOR, NULL); | |
3091 | ||
3092 | } else if (!status && line->type != LINE_STAT_NONE) { | |
3093 | wattrset(view->win, get_line_attr(LINE_STAT_SECTION)); | |
3094 | wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL); | |
3095 | ||
3096 | } else { | |
3097 | wattrset(view->win, get_line_attr(line->type)); | |
3098 | } | |
3099 | ||
3100 | if (!status) { | |
3101 | char *text; | |
3102 | ||
3103 | switch (line->type) { | |
3104 | case LINE_STAT_STAGED: | |
3105 | text = "Changes to be committed:"; | |
3106 | break; | |
3107 | ||
3108 | case LINE_STAT_UNSTAGED: | |
3109 | text = "Changed but not updated:"; | |
3110 | break; | |
3111 | ||
3112 | case LINE_STAT_UNTRACKED: | |
3113 | text = "Untracked files:"; | |
3114 | break; | |
3115 | ||
3116 | case LINE_STAT_NONE: | |
3117 | text = " (no files)"; | |
3118 | break; | |
3119 | ||
3120 | default: | |
3121 | return FALSE; | |
3122 | } | |
3123 | ||
3124 | waddstr(view->win, text); | |
3125 | return TRUE; | |
3126 | } | |
3127 | ||
3128 | waddch(view->win, status->status); | |
3129 | if (!selected) | |
3130 | wattrset(view->win, A_NORMAL); | |
3131 | wmove(view->win, lineno, 4); | |
3132 | waddstr(view->win, status->name); | |
3133 | ||
3134 | return TRUE; | |
3135 | } | |
3136 | ||
586c423d | 3137 | static enum request |
88f66e2d | 3138 | status_enter(struct view *view, struct line *line) |
173d76ea | 3139 | { |
89d917a2 | 3140 | struct status *status = line->data; |
4e8159cf | 3141 | char path[SIZEOF_STR] = ""; |
89d917a2 JF |
3142 | char *info; |
3143 | size_t cmdsize = 0; | |
3144 | ||
4e8159cf JF |
3145 | if (line->type == LINE_STAT_NONE || |
3146 | (!status && line[1].type == LINE_STAT_NONE)) { | |
3147 | report("No file to diff"); | |
586c423d | 3148 | return REQ_NONE; |
89d917a2 JF |
3149 | } |
3150 | ||
4e8159cf | 3151 | if (status && sq_quote(path, 0, status->name) >= sizeof(path)) |
586c423d | 3152 | return REQ_QUIT; |
89d917a2 JF |
3153 | |
3154 | if (opt_cdup[0] && | |
3155 | line->type != LINE_STAT_UNTRACKED && | |
3156 | !string_format_from(opt_cmd, &cmdsize, "cd %s;", opt_cdup)) | |
586c423d | 3157 | return REQ_QUIT; |
89d917a2 JF |
3158 | |
3159 | switch (line->type) { | |
3160 | case LINE_STAT_STAGED: | |
3161 | if (!string_format_from(opt_cmd, &cmdsize, STATUS_DIFF_SHOW_CMD, | |
3162 | "--cached", path)) | |
586c423d | 3163 | return REQ_QUIT; |
4e8159cf JF |
3164 | if (status) |
3165 | info = "Staged changes to %s"; | |
3166 | else | |
3167 | info = "Staged changes"; | |
89d917a2 JF |
3168 | break; |
3169 | ||
3170 | case LINE_STAT_UNSTAGED: | |
3171 | if (!string_format_from(opt_cmd, &cmdsize, STATUS_DIFF_SHOW_CMD, | |
3172 | "", path)) | |
586c423d | 3173 | return REQ_QUIT; |
4e8159cf JF |
3174 | if (status) |
3175 | info = "Unstaged changes to %s"; | |
3176 | else | |
3177 | info = "Unstaged changes"; | |
89d917a2 JF |
3178 | break; |
3179 | ||
3180 | case LINE_STAT_UNTRACKED: | |
3181 | if (opt_pipe) | |
586c423d JF |
3182 | return REQ_QUIT; |
3183 | ||
4e8159cf JF |
3184 | |
3185 | if (!status) { | |
3186 | report("No file to show"); | |
586c423d | 3187 | return REQ_NONE; |
4e8159cf JF |
3188 | } |
3189 | ||
89d917a2 JF |
3190 | opt_pipe = fopen(status->name, "r"); |
3191 | info = "Untracked file %s"; | |
3192 | break; | |
3193 | ||
3194 | default: | |
3195 | die("w00t"); | |
3196 | } | |
3197 | ||
3e634113 JF |
3198 | open_view(view, REQ_VIEW_STAGE, OPEN_RELOAD | OPEN_SPLIT); |
3199 | if (view_is_displayed(VIEW(REQ_VIEW_STAGE))) { | |
b33611d8 JF |
3200 | if (status) { |
3201 | stage_status = *status; | |
3202 | } else { | |
3203 | memset(&stage_status, 0, sizeof(stage_status)); | |
3204 | } | |
3205 | ||
3206 | stage_line_type = line->type; | |
3207 | string_format(VIEW(REQ_VIEW_STAGE)->ref, info, stage_status.name); | |
89d917a2 JF |
3208 | } |
3209 | ||
586c423d | 3210 | return REQ_NONE; |
ca1d71ea JF |
3211 | } |
3212 | ||
88f66e2d | 3213 | |
ca1d71ea JF |
3214 | static bool |
3215 | status_update_file(struct view *view, struct status *status, enum line_type type) | |
3216 | { | |
91c5d983 | 3217 | char cmd[SIZEOF_STR]; |
173d76ea | 3218 | char buf[SIZEOF_STR]; |
91c5d983 | 3219 | size_t cmdsize = 0; |
173d76ea JF |
3220 | size_t bufsize = 0; |
3221 | size_t written = 0; | |
3222 | FILE *pipe; | |
3223 | ||
91c5d983 | 3224 | if (opt_cdup[0] && |
ca1d71ea | 3225 | type != LINE_STAT_UNTRACKED && |
91c5d983 JF |
3226 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) |
3227 | return FALSE; | |
3228 | ||
ca1d71ea | 3229 | switch (type) { |
173d76ea JF |
3230 | case LINE_STAT_STAGED: |
3231 | if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c", | |
3232 | status->old.mode, | |
3233 | status->old.rev, | |
3234 | status->name, 0)) | |
3235 | return FALSE; | |
91c5d983 JF |
3236 | |
3237 | string_add(cmd, cmdsize, "git update-index -z --index-info"); | |
173d76ea JF |
3238 | break; |
3239 | ||
3240 | case LINE_STAT_UNSTAGED: | |
3241 | case LINE_STAT_UNTRACKED: | |
3242 | if (!string_format_from(buf, &bufsize, "%s%c", status->name, 0)) | |
3243 | return FALSE; | |
91c5d983 JF |
3244 | |
3245 | string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin"); | |
173d76ea JF |
3246 | break; |
3247 | ||
3248 | default: | |
3249 | die("w00t"); | |
3250 | } | |
3251 | ||
3252 | pipe = popen(cmd, "w"); | |
3253 | if (!pipe) | |
3254 | return FALSE; | |
3255 | ||
3256 | while (!ferror(pipe) && written < bufsize) { | |
3257 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3258 | } | |
3259 | ||
3260 | pclose(pipe); | |
3261 | ||
3262 | if (written != bufsize) | |
3263 | return FALSE; | |
3264 | ||
173d76ea JF |
3265 | return TRUE; |
3266 | } | |
3267 | ||
3268 | static void | |
ca1d71ea JF |
3269 | status_update(struct view *view) |
3270 | { | |
dec7b437 | 3271 | struct line *line = &view->line[view->lineno]; |
351917f8 | 3272 | |
dec7b437 | 3273 | assert(view->lines); |
11359638 | 3274 | |
dec7b437 JF |
3275 | if (!line->data) { |
3276 | while (++line < view->line + view->lines && line->data) { | |
3277 | if (!status_update_file(view, line->data, line->type)) | |
3278 | report("Failed to update file status"); | |
3279 | } | |
11359638 | 3280 | |
dec7b437 JF |
3281 | if (!line[-1].data) { |
3282 | report("Nothing to update"); | |
3283 | return; | |
93e4c4f6 JF |
3284 | } |
3285 | ||
dec7b437 JF |
3286 | } else if (!status_update_file(view, line->data, line->type)) { |
3287 | report("Failed to update file status"); | |
ca1d71ea | 3288 | } |
dec7b437 JF |
3289 | |
3290 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
ca1d71ea JF |
3291 | } |
3292 | ||
88f66e2d JF |
3293 | static enum request |
3294 | status_request(struct view *view, enum request request, struct line *line) | |
3295 | { | |
0cea0d43 JF |
3296 | struct status *status = line->data; |
3297 | ||
88f66e2d JF |
3298 | switch (request) { |
3299 | case REQ_STATUS_UPDATE: | |
3300 | status_update(view); | |
3301 | break; | |
3302 | ||
0cea0d43 JF |
3303 | case REQ_EDIT: |
3304 | if (!status) | |
3305 | return request; | |
3306 | ||
3307 | open_editor(view, status->name); | |
3308 | break; | |
3309 | ||
88f66e2d JF |
3310 | case REQ_ENTER: |
3311 | status_enter(view, line); | |
3312 | break; | |
3313 | ||
3314 | default: | |
3315 | return request; | |
3316 | } | |
3317 | ||
3318 | return REQ_NONE; | |
3319 | } | |
3320 | ||
ca1d71ea | 3321 | static void |
173d76ea JF |
3322 | status_select(struct view *view, struct line *line) |
3323 | { | |
11359638 JF |
3324 | struct status *status = line->data; |
3325 | char file[SIZEOF_STR] = "all files"; | |
173d76ea JF |
3326 | char *text; |
3327 | ||
11359638 JF |
3328 | if (status && !string_format(file, "'%s'", status->name)) |
3329 | return; | |
3330 | ||
3331 | if (!status && line[1].type == LINE_STAT_NONE) | |
3332 | line++; | |
3333 | ||
173d76ea JF |
3334 | switch (line->type) { |
3335 | case LINE_STAT_STAGED: | |
11359638 | 3336 | text = "Press %s to unstage %s for commit"; |
173d76ea JF |
3337 | break; |
3338 | ||
3339 | case LINE_STAT_UNSTAGED: | |
11359638 | 3340 | text = "Press %s to stage %s for commit"; |
173d76ea JF |
3341 | break; |
3342 | ||
3343 | case LINE_STAT_UNTRACKED: | |
11359638 | 3344 | text = "Press %s to stage %s for addition"; |
173d76ea JF |
3345 | break; |
3346 | ||
3347 | case LINE_STAT_NONE: | |
11359638 JF |
3348 | text = "Nothing to update"; |
3349 | break; | |
173d76ea JF |
3350 | |
3351 | default: | |
3352 | die("w00t"); | |
3353 | } | |
3354 | ||
11359638 | 3355 | string_format(view->ref, text, get_key(REQ_STATUS_UPDATE), file); |
173d76ea JF |
3356 | } |
3357 | ||
3358 | static bool | |
3359 | status_grep(struct view *view, struct line *line) | |
3360 | { | |
3361 | struct status *status = line->data; | |
3362 | enum { S_STATUS, S_NAME, S_END } state; | |
3363 | char buf[2] = "?"; | |
3364 | regmatch_t pmatch; | |
3365 | ||
3366 | if (!status) | |
3367 | return FALSE; | |
3368 | ||
3369 | for (state = S_STATUS; state < S_END; state++) { | |
3370 | char *text; | |
3371 | ||
3372 | switch (state) { | |
3373 | case S_NAME: text = status->name; break; | |
3374 | case S_STATUS: | |
3375 | buf[0] = status->status; | |
3376 | text = buf; | |
3377 | break; | |
3378 | ||
3379 | default: | |
3380 | return FALSE; | |
3381 | } | |
3382 | ||
3383 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) | |
3384 | return TRUE; | |
3385 | } | |
3386 | ||
3387 | return FALSE; | |
3388 | } | |
3389 | ||
3390 | static struct view_ops status_ops = { | |
3391 | "file", | |
3392 | status_open, | |
3393 | NULL, | |
3394 | status_draw, | |
586c423d | 3395 | status_request, |
173d76ea JF |
3396 | status_grep, |
3397 | status_select, | |
3398 | }; | |
3399 | ||
b33611d8 JF |
3400 | |
3401 | static bool | |
3402 | stage_diff_line(FILE *pipe, struct line *line) | |
3403 | { | |
3404 | char *buf = line->data; | |
3405 | size_t bufsize = strlen(buf); | |
3406 | size_t written = 0; | |
3407 | ||
3408 | while (!ferror(pipe) && written < bufsize) { | |
3409 | written += fwrite(buf + written, 1, bufsize - written, pipe); | |
3410 | } | |
3411 | ||
3412 | fputc('\n', pipe); | |
3413 | ||
3414 | return written == bufsize; | |
3415 | } | |
3416 | ||
3417 | static struct line * | |
3418 | stage_diff_hdr(struct view *view, struct line *line) | |
3419 | { | |
3420 | int diff_hdr_dir = line->type == LINE_DIFF_CHUNK ? -1 : 1; | |
3421 | struct line *diff_hdr; | |
3422 | ||
3423 | if (line->type == LINE_DIFF_CHUNK) | |
3424 | diff_hdr = line - 1; | |
3425 | else | |
3426 | diff_hdr = view->line + 1; | |
3427 | ||
3428 | while (diff_hdr > view->line && diff_hdr < view->line + view->lines) { | |
3429 | if (diff_hdr->type == LINE_DIFF_HEADER) | |
3430 | return diff_hdr; | |
3431 | ||
3432 | diff_hdr += diff_hdr_dir; | |
3433 | } | |
3434 | ||
3435 | return NULL; | |
3436 | } | |
3437 | ||
3438 | static bool | |
3439 | stage_update_chunk(struct view *view, struct line *line) | |
3440 | { | |
3441 | char cmd[SIZEOF_STR]; | |
3442 | size_t cmdsize = 0; | |
3443 | struct line *diff_hdr, *diff_chunk, *diff_end; | |
3444 | FILE *pipe; | |
3445 | ||
3446 | diff_hdr = stage_diff_hdr(view, line); | |
3447 | if (!diff_hdr) | |
3448 | return FALSE; | |
3449 | ||
3450 | if (opt_cdup[0] && | |
3451 | !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup)) | |
3452 | return FALSE; | |
3453 | ||
3454 | if (!string_format_from(cmd, &cmdsize, | |
3455 | "git apply --cached %s - && " | |
3456 | "git update-index -q --unmerged --refresh 2>/dev/null", | |
3457 | stage_line_type == LINE_STAT_STAGED ? "-R" : "")) | |
3458 | return FALSE; | |
3459 | ||
3460 | pipe = popen(cmd, "w"); | |
3461 | if (!pipe) | |
3462 | return FALSE; | |
3463 | ||
3464 | diff_end = view->line + view->lines; | |
3465 | if (line->type != LINE_DIFF_CHUNK) { | |
3466 | diff_chunk = diff_hdr; | |
3467 | ||
3468 | } else { | |
3469 | for (diff_chunk = line + 1; diff_chunk < diff_end; diff_chunk++) | |
3470 | if (diff_chunk->type == LINE_DIFF_CHUNK || | |
3471 | diff_chunk->type == LINE_DIFF_HEADER) | |
3472 | diff_end = diff_chunk; | |
3473 | ||
3474 | diff_chunk = line; | |
3475 | ||
3476 | while (diff_hdr->type != LINE_DIFF_CHUNK) { | |
3477 | switch (diff_hdr->type) { | |
3478 | case LINE_DIFF_HEADER: | |
3479 | case LINE_DIFF_INDEX: | |
3480 | case LINE_DIFF_ADD: | |
3481 | case LINE_DIFF_DEL: | |
3482 | break; | |
3483 | ||
3484 | default: | |
3485 | diff_hdr++; | |
3486 | continue; | |
3487 | } | |
3488 | ||
3489 | if (!stage_diff_line(pipe, diff_hdr++)) { | |
3490 | pclose(pipe); | |
3491 | return FALSE; | |
3492 | } | |
3493 | } | |
3494 | } | |
3495 | ||
3496 | while (diff_chunk < diff_end && stage_diff_line(pipe, diff_chunk)) | |
3497 | diff_chunk++; | |
3498 | ||
3499 | pclose(pipe); | |
3500 | ||
3501 | if (diff_chunk != diff_end) | |
3502 | return FALSE; | |
3503 | ||
3504 | return TRUE; | |
3505 | } | |
3506 | ||
3507 | static void | |
3508 | stage_update(struct view *view, struct line *line) | |
3509 | { | |
3510 | if (stage_line_type != LINE_STAT_UNTRACKED && | |
3511 | (line->type == LINE_DIFF_CHUNK || !stage_status.status)) { | |
3512 | if (!stage_update_chunk(view, line)) { | |
3513 | report("Failed to apply chunk"); | |
3514 | return; | |
3515 | } | |
3516 | ||
3517 | } else if (!status_update_file(view, &stage_status, stage_line_type)) { | |
3518 | report("Failed to update file"); | |
3519 | return; | |
3520 | } | |
3521 | ||
3522 | open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD); | |
3523 | ||
3524 | view = VIEW(REQ_VIEW_STATUS); | |
3525 | if (view_is_displayed(view)) | |
3526 | status_enter(view, &view->line[view->lineno]); | |
3527 | } | |
3528 | ||
3529 | static enum request | |
3530 | stage_request(struct view *view, enum request request, struct line *line) | |
3531 | { | |
3532 | switch (request) { | |
3533 | case REQ_STATUS_UPDATE: | |
3534 | stage_update(view, line); | |
3535 | break; | |
3536 | ||
3537 | case REQ_EDIT: | |
3538 | if (!stage_status.name[0]) | |
3539 | return request; | |
3540 | ||
3541 | open_editor(view, stage_status.name); | |
3542 | break; | |
3543 | ||
3544 | case REQ_ENTER: | |
3545 | pager_request(view, request, line); | |
3546 | break; | |
3547 | ||
3548 | default: | |
3549 | return request; | |
3550 | } | |
3551 | ||
3552 | return REQ_NONE; | |
3553 | } | |
3554 | ||
3e634113 JF |
3555 | static struct view_ops stage_ops = { |
3556 | "line", | |
3557 | NULL, | |
3558 | pager_read, | |
3559 | pager_draw, | |
b33611d8 | 3560 | stage_request, |
3e634113 JF |
3561 | pager_grep, |
3562 | pager_select, | |
3563 | }; | |
173d76ea | 3564 | |
b33611d8 | 3565 | |
173d76ea | 3566 | /* |
ccc33449 | 3567 | * Revision graph |
ff26aa29 JF |
3568 | */ |
3569 | ||
3570 | struct commit { | |
10446330 | 3571 | char id[SIZEOF_REV]; /* SHA1 ID. */ |
aea510c8 | 3572 | char title[128]; /* First line of the commit message. */ |
54efb62b JF |
3573 | char author[75]; /* Author of the commit. */ |
3574 | struct tm time; /* Date from the author ident. */ | |
3575 | struct ref **refs; /* Repository references. */ | |
3576 | chtype graph[SIZEOF_REVGRAPH]; /* Ancestry chain graphics. */ | |
3577 | size_t graph_size; /* The width of the graph array. */ | |
ff26aa29 | 3578 | }; |
c34d9c9f | 3579 | |
ccc33449 JF |
3580 | /* Size of rev graph with no "padding" columns */ |
3581 | #define SIZEOF_REVITEMS (SIZEOF_REVGRAPH - (SIZEOF_REVGRAPH / 2)) | |
2b757533 | 3582 | |
2ce5c87c JF |
3583 | struct rev_graph { |
3584 | struct rev_graph *prev, *next, *parents; | |
2b757533 JF |
3585 | char rev[SIZEOF_REVITEMS][SIZEOF_REV]; |
3586 | size_t size; | |
88757ebd JF |
3587 | struct commit *commit; |
3588 | size_t pos; | |
2b757533 JF |
3589 | }; |
3590 | ||
2b757533 | 3591 | /* Parents of the commit being visualized. */ |
446a5c36 | 3592 | static struct rev_graph graph_parents[4]; |
c8d60a25 | 3593 | |
c65a501a | 3594 | /* The current stack of revisions on the graph. */ |
446a5c36 JF |
3595 | static struct rev_graph graph_stacks[4] = { |
3596 | { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, | |
c65a501a | 3597 | { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, |
446a5c36 JF |
3598 | { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, |
3599 | { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, | |
c65a501a JF |
3600 | }; |
3601 | ||
9e43b9cd | 3602 | static inline bool |
2ce5c87c | 3603 | graph_parent_is_merge(struct rev_graph *graph) |
9e43b9cd JF |
3604 | { |
3605 | return graph->parents->size > 1; | |
3606 | } | |
3607 | ||
88757ebd | 3608 | static inline void |
2ce5c87c | 3609 | append_to_rev_graph(struct rev_graph *graph, chtype symbol) |
88757ebd | 3610 | { |
2c27faac JF |
3611 | struct commit *commit = graph->commit; |
3612 | ||
3613 | if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) | |
3614 | commit->graph[commit->graph_size++] = symbol; | |
88757ebd JF |
3615 | } |
3616 | ||
2b757533 | 3617 | static void |
2ce5c87c | 3618 | done_rev_graph(struct rev_graph *graph) |
987890af JF |
3619 | { |
3620 | if (graph_parent_is_merge(graph) && | |
3621 | graph->pos < graph->size - 1 && | |
3622 | graph->next->size == graph->size + graph->parents->size - 1) { | |
3623 | size_t i = graph->pos + graph->parents->size - 1; | |
3624 | ||
3625 | graph->commit->graph_size = i * 2; | |
3626 | while (i < graph->next->size - 1) { | |
3627 | append_to_rev_graph(graph, ' '); | |
3628 | append_to_rev_graph(graph, '\\'); | |
3629 | i++; | |
3630 | } | |
3631 | } | |
3632 | ||
3633 | graph->size = graph->pos = 0; | |
3634 | graph->commit = NULL; | |
3635 | memset(graph->parents, 0, sizeof(*graph->parents)); | |
3636 | } | |
3637 | ||
3638 | static void | |
2ce5c87c | 3639 | push_rev_graph(struct rev_graph *graph, char *parent) |
2b757533 | 3640 | { |
2fe894e6 JF |
3641 | int i; |
3642 | ||
3643 | /* "Collapse" duplicate parents lines. | |
3644 | * | |
3645 | * FIXME: This needs to also update update the drawn graph but | |
3646 | * for now it just serves as a method for pruning graph lines. */ | |
3647 | for (i = 0; i < graph->size; i++) | |
3648 | if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) | |
3649 | return; | |
2b757533 | 3650 | |
2ce5c87c | 3651 | if (graph->size < SIZEOF_REVITEMS) { |
739e81de | 3652 | string_copy_rev(graph->rev[graph->size++], parent); |
2b757533 JF |
3653 | } |
3654 | } | |
3655 | ||
92507a24 JF |
3656 | static chtype |
3657 | get_rev_graph_symbol(struct rev_graph *graph) | |
2b757533 | 3658 | { |
92507a24 | 3659 | chtype symbol; |
2b757533 | 3660 | |
c65a501a | 3661 | if (graph->parents->size == 0) |
c8d60a25 | 3662 | symbol = REVGRAPH_INIT; |
18ffaa23 | 3663 | else if (graph_parent_is_merge(graph)) |
c8d60a25 | 3664 | symbol = REVGRAPH_MERGE; |
c65a501a | 3665 | else if (graph->pos >= graph->size) |
c8d60a25 | 3666 | symbol = REVGRAPH_BRANCH; |
2b757533 | 3667 | else |
c8d60a25 | 3668 | symbol = REVGRAPH_COMMIT; |
1dcb3bec | 3669 | |
92507a24 JF |
3670 | return symbol; |
3671 | } | |
3672 | ||
3673 | static void | |
3674 | draw_rev_graph(struct rev_graph *graph) | |
3675 | { | |
e937c2c8 JF |
3676 | struct rev_filler { |
3677 | chtype separator, line; | |
3678 | }; | |
3679 | enum { DEFAULT, RSHARP, RDIAG, LDIAG }; | |
3680 | static struct rev_filler fillers[] = { | |
3681 | { ' ', REVGRAPH_LINE }, | |
3682 | { '`', '.' }, | |
3683 | { '\'', ' ' }, | |
3684 | { '/', ' ' }, | |
e937c2c8 | 3685 | }; |
92507a24 | 3686 | chtype symbol = get_rev_graph_symbol(graph); |
e937c2c8 | 3687 | struct rev_filler *filler; |
92507a24 JF |
3688 | size_t i; |
3689 | ||
e937c2c8 | 3690 | filler = &fillers[DEFAULT]; |
110e948e | 3691 | |
c65a501a | 3692 | for (i = 0; i < graph->pos; i++) { |
e937c2c8 | 3693 | append_to_rev_graph(graph, filler->line); |
9e43b9cd | 3694 | if (graph_parent_is_merge(graph->prev) && |
e937c2c8 JF |
3695 | graph->prev->pos == i) |
3696 | filler = &fillers[RSHARP]; | |
3697 | ||
3698 | append_to_rev_graph(graph, filler->separator); | |
110e948e JF |
3699 | } |
3700 | ||
92507a24 | 3701 | /* Place the symbol for this revision. */ |
c65a501a | 3702 | append_to_rev_graph(graph, symbol); |
2b757533 | 3703 | |
e937c2c8 JF |
3704 | if (graph->prev->size > graph->size) |
3705 | filler = &fillers[RDIAG]; | |
3706 | else | |
3707 | filler = &fillers[DEFAULT]; | |
3708 | ||
c8d60a25 | 3709 | i++; |
2b757533 | 3710 | |
c65a501a | 3711 | for (; i < graph->size; i++) { |
e937c2c8 JF |
3712 | append_to_rev_graph(graph, filler->separator); |
3713 | append_to_rev_graph(graph, filler->line); | |
3714 | if (graph_parent_is_merge(graph->prev) && | |
3715 | i < graph->prev->pos + graph->parents->size) | |
3716 | filler = &fillers[RSHARP]; | |
3717 | if (graph->prev->size > graph->size) | |
3718 | filler = &fillers[LDIAG]; | |
c65a501a JF |
3719 | } |
3720 | ||
3721 | if (graph->prev->size > graph->size) { | |
e937c2c8 JF |
3722 | append_to_rev_graph(graph, filler->separator); |
3723 | if (filler->line != ' ') | |
3724 | append_to_rev_graph(graph, filler->line); | |
2b757533 | 3725 | } |
b5d8f208 JF |
3726 | } |
3727 | ||
61eed810 JF |
3728 | /* Prepare the next rev graph */ |
3729 | static void | |
3730 | prepare_rev_graph(struct rev_graph *graph) | |
b5d8f208 | 3731 | { |
b5d8f208 JF |
3732 | size_t i; |
3733 | ||
320df4ea | 3734 | /* First, traverse all lines of revisions up to the active one. */ |
c65a501a JF |
3735 | for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { |
3736 | if (!strcmp(graph->rev[graph->pos], graph->commit->id)) | |
b5d8f208 | 3737 | break; |
b5d8f208 | 3738 | |
2ce5c87c | 3739 | push_rev_graph(graph->next, graph->rev[graph->pos]); |
b5d8f208 JF |
3740 | } |
3741 | ||
320df4ea | 3742 | /* Interleave the new revision parent(s). */ |
c65a501a | 3743 | for (i = 0; i < graph->parents->size; i++) |
2ce5c87c | 3744 | push_rev_graph(graph->next, graph->parents->rev[i]); |
b5d8f208 | 3745 | |
320df4ea | 3746 | /* Lastly, put any remaining revisions. */ |
c65a501a | 3747 | for (i = graph->pos + 1; i < graph->size; i++) |
2ce5c87c | 3748 | push_rev_graph(graph->next, graph->rev[i]); |
61eed810 JF |
3749 | } |
3750 | ||
3751 | static void | |
3752 | update_rev_graph(struct rev_graph *graph) | |
3753 | { | |
446a5c36 JF |
3754 | /* If this is the finalizing update ... */ |
3755 | if (graph->commit) | |
3756 | prepare_rev_graph(graph); | |
3757 | ||
3758 | /* Graph visualization needs a one rev look-ahead, | |
3759 | * so the first update doesn't visualize anything. */ | |
3760 | if (!graph->prev->commit) | |
3761 | return; | |
c65a501a | 3762 | |
61eed810 JF |
3763 | draw_rev_graph(graph->prev); |
3764 | done_rev_graph(graph->prev->prev); | |
2b757533 JF |
3765 | } |
3766 | ||
ccc33449 JF |
3767 | |
3768 | /* | |
3769 | * Main view backend | |
3770 | */ | |
3771 | ||
3772 | static bool | |
3773 | main_draw(struct view *view, struct line *line, unsigned int lineno, bool selected) | |
3774 | { | |
3775 | char buf[DATE_COLS + 1]; | |
3776 | struct commit *commit = line->data; | |
3777 | enum line_type type; | |
3778 | int col = 0; | |
3779 | size_t timelen; | |
3780 | size_t authorlen; | |
3781 | int trimmed = 1; | |
3782 | ||
3783 | if (!*commit->author) | |
3784 | return FALSE; | |
3785 | ||
3786 | wmove(view->win, lineno, col); | |
3787 | ||
3788 | if (selected) { | |
3789 | type = LINE_CURSOR; | |
3790 | wattrset(view->win, get_line_attr(type)); | |
3791 | wchgat(view->win, -1, 0, type, NULL); | |
3792 | ||
3793 | } else { | |
3794 | type = LINE_MAIN_COMMIT; | |
3795 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
3796 | } | |
3797 | ||
3798 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); | |
3799 | waddnstr(view->win, buf, timelen); | |
3800 | waddstr(view->win, " "); | |
3801 | ||
3802 | col += DATE_COLS; | |
3803 | wmove(view->win, lineno, col); | |
3804 | if (type != LINE_CURSOR) | |
3805 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
3806 | ||
3807 | if (opt_utf8) { | |
3808 | authorlen = utf8_length(commit->author, AUTHOR_COLS - 2, &col, &trimmed); | |
3809 | } else { | |
3810 | authorlen = strlen(commit->author); | |
3811 | if (authorlen > AUTHOR_COLS - 2) { | |
3812 | authorlen = AUTHOR_COLS - 2; | |
3813 | trimmed = 1; | |
3814 | } | |
3815 | } | |
3816 | ||
3817 | if (trimmed) { | |
3818 | waddnstr(view->win, commit->author, authorlen); | |
3819 | if (type != LINE_CURSOR) | |
3820 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
3821 | waddch(view->win, '~'); | |
3822 | } else { | |
3823 | waddstr(view->win, commit->author); | |
3824 | } | |
3825 | ||
3826 | col += AUTHOR_COLS; | |
3827 | if (type != LINE_CURSOR) | |
3828 | wattrset(view->win, A_NORMAL); | |
3829 | ||
3830 | if (opt_rev_graph && commit->graph_size) { | |
3831 | size_t i; | |
3832 | ||
3833 | wmove(view->win, lineno, col); | |
3834 | /* Using waddch() instead of waddnstr() ensures that | |
3835 | * they'll be rendered correctly for the cursor line. */ | |
3836 | for (i = 0; i < commit->graph_size; i++) | |
3837 | waddch(view->win, commit->graph[i]); | |
3838 | ||
8716b9ed | 3839 | waddch(view->win, ' '); |
ccc33449 JF |
3840 | col += commit->graph_size + 1; |
3841 | } | |
3842 | ||
3843 | wmove(view->win, lineno, col); | |
3844 | ||
3845 | if (commit->refs) { | |
3846 | size_t i = 0; | |
3847 | ||
3848 | do { | |
3849 | if (type == LINE_CURSOR) | |
3850 | ; | |
3851 | else if (commit->refs[i]->tag) | |
3852 | wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); | |
e15ec88e JF |
3853 | else if (commit->refs[i]->remote) |
3854 | wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); | |
ccc33449 JF |
3855 | else |
3856 | wattrset(view->win, get_line_attr(LINE_MAIN_REF)); | |
3857 | waddstr(view->win, "["); | |
3858 | waddstr(view->win, commit->refs[i]->name); | |
3859 | waddstr(view->win, "]"); | |
3860 | if (type != LINE_CURSOR) | |
3861 | wattrset(view->win, A_NORMAL); | |
3862 | waddstr(view->win, " "); | |
3863 | col += strlen(commit->refs[i]->name) + STRING_SIZE("[] "); | |
3864 | } while (commit->refs[i++]->next); | |
3865 | } | |
3866 | ||
3867 | if (type != LINE_CURSOR) | |
3868 | wattrset(view->win, get_line_attr(type)); | |
3869 | ||
3870 | { | |
3871 | int titlelen = strlen(commit->title); | |
3872 | ||
3873 | if (col + titlelen > view->width) | |
3874 | titlelen = view->width - col; | |
3875 | ||
3876 | waddnstr(view->win, commit->title, titlelen); | |
3877 | } | |
3878 | ||
3879 | return TRUE; | |
3880 | } | |
3881 | ||
4c6fabc2 | 3882 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
6b161b31 | 3883 | static bool |
701e4f5d | 3884 | main_read(struct view *view, char *line) |
22f66b0a | 3885 | { |
2ce5c87c | 3886 | static struct rev_graph *graph = graph_stacks; |
be04d936 | 3887 | enum line_type type; |
0ff3b97c | 3888 | struct commit *commit; |
22f66b0a | 3889 | |
be04d936 | 3890 | if (!line) { |
446a5c36 | 3891 | update_rev_graph(graph); |
be04d936 JF |
3892 | return TRUE; |
3893 | } | |
3894 | ||
3895 | type = get_line_type(line); | |
0ff3b97c | 3896 | if (type == LINE_COMMIT) { |
22f66b0a JF |
3897 | commit = calloc(1, sizeof(struct commit)); |
3898 | if (!commit) | |
3899 | return FALSE; | |
3900 | ||
0ff3b97c | 3901 | string_copy_rev(commit->id, line + STRING_SIZE("commit ")); |
c34d9c9f | 3902 | commit->refs = get_refs(commit->id); |
c65a501a | 3903 | graph->commit = commit; |
e314c36d | 3904 | add_line_data(view, commit, LINE_MAIN_COMMIT); |
0ff3b97c JF |
3905 | return TRUE; |
3906 | } | |
2b757533 | 3907 | |
0ff3b97c JF |
3908 | if (!view->lines) |
3909 | return TRUE; | |
3910 | commit = view->line[view->lines - 1].data; | |
3911 | ||
3912 | switch (type) { | |
2b757533 | 3913 | case LINE_PARENT: |
0ff3b97c | 3914 | push_rev_graph(graph->parents, line + STRING_SIZE("parent ")); |
78c70acd | 3915 | break; |
22f66b0a | 3916 | |
8855ada4 | 3917 | case LINE_AUTHOR: |
b76c2afc | 3918 | { |
19c3ac60 JF |
3919 | /* Parse author lines where the name may be empty: |
3920 | * author <email@address.tld> 1138474660 +0100 | |
3921 | */ | |
4c6fabc2 | 3922 | char *ident = line + STRING_SIZE("author "); |
19c3ac60 JF |
3923 | char *nameend = strchr(ident, '<'); |
3924 | char *emailend = strchr(ident, '>'); | |
b76c2afc | 3925 | |
0ff3b97c | 3926 | if (!nameend || !emailend) |
fe7233c3 JF |
3927 | break; |
3928 | ||
c65a501a JF |
3929 | update_rev_graph(graph); |
3930 | graph = graph->next; | |
2b757533 | 3931 | |
19c3ac60 JF |
3932 | *nameend = *emailend = 0; |
3933 | ident = chomp_string(ident); | |
3934 | if (!*ident) { | |
3935 | ident = chomp_string(nameend + 1); | |
3936 | if (!*ident) | |
3937 | ident = "Unknown"; | |
b76c2afc JF |
3938 | } |
3939 | ||
739e81de | 3940 | string_ncopy(commit->author, ident, strlen(ident)); |
b76c2afc | 3941 | |
4c6fabc2 | 3942 | /* Parse epoch and timezone */ |
19c3ac60 JF |
3943 | if (emailend[1] == ' ') { |
3944 | char *secs = emailend + 2; | |
3945 | char *zone = strchr(secs, ' '); | |
3946 | time_t time = (time_t) atol(secs); | |
b76c2afc | 3947 | |
4c6fabc2 | 3948 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
3949 | long tz; |
3950 | ||
3951 | zone++; | |
3952 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
3953 | tz += ('0' - zone[2]) * 60 * 60; | |
3954 | tz += ('0' - zone[3]) * 60; | |
3955 | tz += ('0' - zone[4]) * 60; | |
3956 | ||
3957 | if (zone[0] == '-') | |
3958 | tz = -tz; | |
3959 | ||
3960 | time -= tz; | |
3961 | } | |
19c3ac60 | 3962 | |
b76c2afc JF |
3963 | gmtime_r(&time, &commit->time); |
3964 | } | |
3965 | break; | |
3966 | } | |
78c70acd | 3967 | default: |
2e8488b4 | 3968 | /* Fill in the commit title if it has not already been set. */ |
2e8488b4 JF |
3969 | if (commit->title[0]) |
3970 | break; | |
3971 | ||
3972 | /* Require titles to start with a non-space character at the | |
3973 | * offset used by git log. */ | |
9073c64a JF |
3974 | if (strncmp(line, " ", 4)) |
3975 | break; | |
3976 | line += 4; | |
3977 | /* Well, if the title starts with a whitespace character, | |
3978 | * try to be forgiving. Otherwise we end up with no title. */ | |
3979 | while (isspace(*line)) | |
3980 | line++; | |
3981 | if (*line == '\0') | |
82e78006 | 3982 | break; |
9073c64a JF |
3983 | /* FIXME: More graceful handling of titles; append "..." to |
3984 | * shortened titles, etc. */ | |
82e78006 | 3985 | |
739e81de | 3986 | string_ncopy(commit->title, line, strlen(line)); |
22f66b0a JF |
3987 | } |
3988 | ||
3989 | return TRUE; | |
3990 | } | |
3991 | ||
226da94b JF |
3992 | static void |
3993 | cherry_pick_commit(struct commit *commit) | |
3994 | { | |
3995 | char cmd[SIZEOF_STR]; | |
3996 | char *cherry_pick = getenv("TIG_CHERRY_PICK"); | |
3997 | ||
3998 | if (!cherry_pick) | |
3999 | cherry_pick = "git cherry-pick"; | |
4000 | ||
4001 | if (string_format(cmd, "%s %s", cherry_pick, commit->id)) { | |
4002 | def_prog_mode(); /* save current tty modes */ | |
4003 | endwin(); /* restore original tty modes */ | |
4004 | system(cmd); | |
4005 | fprintf(stderr, "Press Enter to continue"); | |
4006 | getc(stdin); | |
4007 | reset_prog_mode(); | |
4008 | redraw_display(); | |
4009 | } | |
4010 | } | |
4011 | ||
586c423d JF |
4012 | static enum request |
4013 | main_request(struct view *view, enum request request, struct line *line) | |
b801d8b2 | 4014 | { |
b3a54cba JF |
4015 | enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; |
4016 | ||
586c423d JF |
4017 | if (request == REQ_ENTER) |
4018 | open_view(view, REQ_VIEW_DIFF, flags); | |
226da94b JF |
4019 | else if (request == REQ_CHERRY_PICK) |
4020 | cherry_pick_commit(line->data); | |
586c423d JF |
4021 | else |
4022 | return request; | |
4023 | ||
4024 | return REQ_NONE; | |
b801d8b2 JF |
4025 | } |
4026 | ||
4af34daa JF |
4027 | static bool |
4028 | main_grep(struct view *view, struct line *line) | |
4029 | { | |
4030 | struct commit *commit = line->data; | |
4031 | enum { S_TITLE, S_AUTHOR, S_DATE, S_END } state; | |
4032 | char buf[DATE_COLS + 1]; | |
4033 | regmatch_t pmatch; | |
4034 | ||
4035 | for (state = S_TITLE; state < S_END; state++) { | |
4036 | char *text; | |
4037 | ||
4038 | switch (state) { | |
4039 | case S_TITLE: text = commit->title; break; | |
4040 | case S_AUTHOR: text = commit->author; break; | |
4041 | case S_DATE: | |
4042 | if (!strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time)) | |
4043 | continue; | |
4044 | text = buf; | |
4045 | break; | |
4046 | ||
4047 | default: | |
4048 | return FALSE; | |
4049 | } | |
4050 | ||
b77b2cb8 | 4051 | if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH) |
4af34daa JF |
4052 | return TRUE; |
4053 | } | |
4054 | ||
4055 | return FALSE; | |
4056 | } | |
4057 | ||
d720de4b JF |
4058 | static void |
4059 | main_select(struct view *view, struct line *line) | |
4060 | { | |
4061 | struct commit *commit = line->data; | |
4062 | ||
2463b4ea JF |
4063 | string_copy_rev(view->ref, commit->id); |
4064 | string_copy_rev(ref_commit, view->ref); | |
d720de4b JF |
4065 | } |
4066 | ||
6b161b31 | 4067 | static struct view_ops main_ops = { |
6734f6b9 | 4068 | "commit", |
f098944b | 4069 | NULL, |
6b161b31 | 4070 | main_read, |
f098944b | 4071 | main_draw, |
586c423d | 4072 | main_request, |
4af34daa | 4073 | main_grep, |
d720de4b | 4074 | main_select, |
6b161b31 | 4075 | }; |
2e8488b4 | 4076 | |
c34d9c9f | 4077 | |
6b161b31 | 4078 | /* |
10e290ee JF |
4079 | * Unicode / UTF-8 handling |
4080 | * | |
4081 | * NOTE: Much of the following code for dealing with unicode is derived from | |
4082 | * ELinks' UTF-8 code developed by Scrool <scroolik@gmail.com>. Origin file is | |
4083 | * src/intl/charset.c from the utf8 branch commit elinks-0.11.0-g31f2c28. | |
4084 | */ | |
4085 | ||
4086 | /* I've (over)annotated a lot of code snippets because I am not entirely | |
4087 | * confident that the approach taken by this small UTF-8 interface is correct. | |
4088 | * --jonas */ | |
4089 | ||
4090 | static inline int | |
4091 | unicode_width(unsigned long c) | |
4092 | { | |
4093 | if (c >= 0x1100 && | |
4094 | (c <= 0x115f /* Hangul Jamo */ | |
4095 | || c == 0x2329 | |
4096 | || c == 0x232a | |
4097 | || (c >= 0x2e80 && c <= 0xa4cf && c != 0x303f) | |
f97f4012 | 4098 | /* CJK ... Yi */ |
10e290ee JF |
4099 | || (c >= 0xac00 && c <= 0xd7a3) /* Hangul Syllables */ |
4100 | || (c >= 0xf900 && c <= 0xfaff) /* CJK Compatibility Ideographs */ | |
4101 | || (c >= 0xfe30 && c <= 0xfe6f) /* CJK Compatibility Forms */ | |
4102 | || (c >= 0xff00 && c <= 0xff60) /* Fullwidth Forms */ | |
4103 | || (c >= 0xffe0 && c <= 0xffe6) | |
4104 | || (c >= 0x20000 && c <= 0x2fffd) | |
4105 | || (c >= 0x30000 && c <= 0x3fffd))) | |
4106 | return 2; | |
4107 | ||
4108 | return 1; | |
4109 | } | |
4110 | ||
4111 | /* Number of bytes used for encoding a UTF-8 character indexed by first byte. | |
4112 | * Illegal bytes are set one. */ | |
4113 | static const unsigned char utf8_bytes[256] = { | |
4114 | 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, | |
4115 | 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, | |
4116 | 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, | |
4117 | 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, | |
4118 | 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, | |
4119 | 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, | |
4120 | 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, | |
4121 | 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, | |
4122 | }; | |
4123 | ||
4124 | /* Decode UTF-8 multi-byte representation into a unicode character. */ | |
4125 | static inline unsigned long | |
4126 | utf8_to_unicode(const char *string, size_t length) | |
4127 | { | |
4128 | unsigned long unicode; | |
4129 | ||
4130 | switch (length) { | |
4131 | case 1: | |
4132 | unicode = string[0]; | |
4133 | break; | |
4134 | case 2: | |
4135 | unicode = (string[0] & 0x1f) << 6; | |
4136 | unicode += (string[1] & 0x3f); | |
4137 | break; | |
4138 | case 3: | |
4139 | unicode = (string[0] & 0x0f) << 12; | |
4140 | unicode += ((string[1] & 0x3f) << 6); | |
4141 | unicode += (string[2] & 0x3f); | |
4142 | break; | |
4143 | case 4: | |
4144 | unicode = (string[0] & 0x0f) << 18; | |
4145 | unicode += ((string[1] & 0x3f) << 12); | |
4146 | unicode += ((string[2] & 0x3f) << 6); | |
4147 | unicode += (string[3] & 0x3f); | |
4148 | break; | |
4149 | case 5: | |
4150 | unicode = (string[0] & 0x0f) << 24; | |
4151 | unicode += ((string[1] & 0x3f) << 18); | |
4152 | unicode += ((string[2] & 0x3f) << 12); | |
4153 | unicode += ((string[3] & 0x3f) << 6); | |
4154 | unicode += (string[4] & 0x3f); | |
4155 | break; | |
68b6e0eb | 4156 | case 6: |
10e290ee JF |
4157 | unicode = (string[0] & 0x01) << 30; |
4158 | unicode += ((string[1] & 0x3f) << 24); | |
4159 | unicode += ((string[2] & 0x3f) << 18); | |
4160 | unicode += ((string[3] & 0x3f) << 12); | |
4161 | unicode += ((string[4] & 0x3f) << 6); | |
4162 | unicode += (string[5] & 0x3f); | |
4163 | break; | |
4164 | default: | |
4165 | die("Invalid unicode length"); | |
4166 | } | |
4167 | ||
4168 | /* Invalid characters could return the special 0xfffd value but NUL | |
4169 | * should be just as good. */ | |
4170 | return unicode > 0xffff ? 0 : unicode; | |
4171 | } | |
4172 | ||
4173 | /* Calculates how much of string can be shown within the given maximum width | |
4174 | * and sets trimmed parameter to non-zero value if all of string could not be | |
4175 | * shown. | |
4176 | * | |
4177 | * Additionally, adds to coloffset how many many columns to move to align with | |
4178 | * the expected position. Takes into account how multi-byte and double-width | |
4179 | * characters will effect the cursor position. | |
4180 | * | |
4181 | * Returns the number of bytes to output from string to satisfy max_width. */ | |
4182 | static size_t | |
4183 | utf8_length(const char *string, size_t max_width, int *coloffset, int *trimmed) | |
4184 | { | |
4185 | const char *start = string; | |
4186 | const char *end = strchr(string, '\0'); | |
4187 | size_t mbwidth = 0; | |
4188 | size_t width = 0; | |
4189 | ||
4190 | *trimmed = 0; | |
4191 | ||
4192 | while (string < end) { | |
4193 | int c = *(unsigned char *) string; | |
4194 | unsigned char bytes = utf8_bytes[c]; | |
4195 | size_t ucwidth; | |
4196 | unsigned long unicode; | |
4197 | ||
4198 | if (string + bytes > end) | |
4199 | break; | |
4200 | ||
4201 | /* Change representation to figure out whether | |
4202 | * it is a single- or double-width character. */ | |
4203 | ||
4204 | unicode = utf8_to_unicode(string, bytes); | |
4205 | /* FIXME: Graceful handling of invalid unicode character. */ | |
4206 | if (!unicode) | |
4207 | break; | |
4208 | ||
4209 | ucwidth = unicode_width(unicode); | |
4210 | width += ucwidth; | |
4211 | if (width > max_width) { | |
4212 | *trimmed = 1; | |
4213 | break; | |
4214 | } | |
4215 | ||
4216 | /* The column offset collects the differences between the | |
4217 | * number of bytes encoding a character and the number of | |
4218 | * columns will be used for rendering said character. | |
4219 | * | |
4220 | * So if some character A is encoded in 2 bytes, but will be | |
4221 | * represented on the screen using only 1 byte this will and up | |
4222 | * adding 1 to the multi-byte column offset. | |
4223 | * | |
4224 | * Assumes that no double-width character can be encoding in | |
4225 | * less than two bytes. */ | |
4226 | if (bytes > ucwidth) | |
4227 | mbwidth += bytes - ucwidth; | |
4228 | ||
4229 | string += bytes; | |
4230 | } | |
4231 | ||
4232 | *coloffset += mbwidth; | |
4233 | ||
4234 | return string - start; | |
4235 | } | |
4236 | ||
4237 | ||
4238 | /* | |
6b161b31 JF |
4239 | * Status management |
4240 | */ | |
2e8488b4 | 4241 | |
8855ada4 | 4242 | /* Whether or not the curses interface has been initialized. */ |
68b6e0eb | 4243 | static bool cursed = FALSE; |
8855ada4 | 4244 | |
6b161b31 JF |
4245 | /* The status window is used for polling keystrokes. */ |
4246 | static WINDOW *status_win; | |
4a2909a7 | 4247 | |
21be28fb JF |
4248 | static bool status_empty = TRUE; |
4249 | ||
2e8488b4 | 4250 | /* Update status and title window. */ |
4a2909a7 JF |
4251 | static void |
4252 | report(const char *msg, ...) | |
4253 | { | |
6706b2ba | 4254 | struct view *view = display[current_view]; |
b76c2afc | 4255 | |
ab4af23e JF |
4256 | if (input_mode) |
4257 | return; | |
4258 | ||
21be28fb | 4259 | if (!status_empty || *msg) { |
6706b2ba | 4260 | va_list args; |
4a2909a7 | 4261 | |
6706b2ba | 4262 | va_start(args, msg); |
4b76734f | 4263 | |
6706b2ba JF |
4264 | wmove(status_win, 0, 0); |
4265 | if (*msg) { | |
4266 | vwprintw(status_win, msg, args); | |
21be28fb | 4267 | status_empty = FALSE; |
6706b2ba | 4268 | } else { |
21be28fb | 4269 | status_empty = TRUE; |
6706b2ba | 4270 | } |
390a8262 | 4271 | wclrtoeol(status_win); |
6706b2ba | 4272 | wrefresh(status_win); |
b801d8b2 | 4273 | |
6706b2ba JF |
4274 | va_end(args); |
4275 | } | |
4276 | ||
4277 | update_view_title(view); | |
2bee3bde | 4278 | update_display_cursor(view); |
b801d8b2 JF |
4279 | } |
4280 | ||
6b161b31 JF |
4281 | /* Controls when nodelay should be in effect when polling user input. */ |
4282 | static void | |
1ba2ae4b | 4283 | set_nonblocking_input(bool loading) |
b801d8b2 | 4284 | { |
6706b2ba | 4285 | static unsigned int loading_views; |
b801d8b2 | 4286 | |
6706b2ba JF |
4287 | if ((loading == FALSE && loading_views-- == 1) || |
4288 | (loading == TRUE && loading_views++ == 0)) | |
1ba2ae4b | 4289 | nodelay(status_win, loading); |
6b161b31 JF |
4290 | } |
4291 | ||
4292 | static void | |
4293 | init_display(void) | |
4294 | { | |
4295 | int x, y; | |
b76c2afc | 4296 | |
6908bdbd JF |
4297 | /* Initialize the curses library */ |
4298 | if (isatty(STDIN_FILENO)) { | |
8855ada4 | 4299 | cursed = !!initscr(); |
6908bdbd JF |
4300 | } else { |
4301 | /* Leave stdin and stdout alone when acting as a pager. */ | |
4302 | FILE *io = fopen("/dev/tty", "r+"); | |
4303 | ||
e6f60674 JF |
4304 | if (!io) |
4305 | die("Failed to open /dev/tty"); | |
8855ada4 | 4306 | cursed = !!newterm(NULL, io, io); |
6908bdbd JF |
4307 | } |
4308 | ||
8855ada4 JF |
4309 | if (!cursed) |
4310 | die("Failed to initialize curses"); | |
4311 | ||
2e8488b4 JF |
4312 | nonl(); /* Tell curses not to do NL->CR/NL on output */ |
4313 | cbreak(); /* Take input chars one at a time, no wait for \n */ | |
4314 | noecho(); /* Don't echo input */ | |
b801d8b2 | 4315 | leaveok(stdscr, TRUE); |
b801d8b2 JF |
4316 | |
4317 | if (has_colors()) | |
4318 | init_colors(); | |
4319 | ||
4320 | getmaxyx(stdscr, y, x); | |
4321 | status_win = newwin(1, 0, y - 1, 0); | |
4322 | if (!status_win) | |
4323 | die("Failed to create status window"); | |
4324 | ||
4325 | /* Enable keyboard mapping */ | |
4326 | keypad(status_win, TRUE); | |
78c70acd | 4327 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
6b161b31 JF |
4328 | } |
4329 | ||
4af34daa | 4330 | static char * |
cb9e48c1 | 4331 | read_prompt(const char *prompt) |
ef5404a4 JF |
4332 | { |
4333 | enum { READING, STOP, CANCEL } status = READING; | |
9e21ce5c | 4334 | static char buf[sizeof(opt_cmd) - STRING_SIZE("git \0")]; |
ef5404a4 JF |
4335 | int pos = 0; |
4336 | ||
4337 | while (status == READING) { | |
4338 | struct view *view; | |
4339 | int i, key; | |
4340 | ||
ab4af23e JF |
4341 | input_mode = TRUE; |
4342 | ||
699ae55b | 4343 | foreach_view (view, i) |
ef5404a4 JF |
4344 | update_view(view); |
4345 | ||
ab4af23e JF |
4346 | input_mode = FALSE; |
4347 | ||
4348 | mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); | |
4349 | wclrtoeol(status_win); | |
4350 | ||
ef5404a4 JF |
4351 | /* Refresh, accept single keystroke of input */ |
4352 | key = wgetch(status_win); | |
4353 | switch (key) { | |
4354 | case KEY_RETURN: | |
4355 | case KEY_ENTER: | |
4356 | case '\n': | |
4357 | status = pos ? STOP : CANCEL; | |
4358 | break; | |
4359 | ||
4360 | case KEY_BACKSPACE: | |
4361 | if (pos > 0) | |
4362 | pos--; | |
4363 | else | |
4364 | status = CANCEL; | |
4365 | break; | |
4366 | ||
4367 | case KEY_ESC: | |
4368 | status = CANCEL; | |
4369 | break; | |
4370 | ||
4371 | case ERR: | |
4372 | break; | |
4373 | ||
4374 | default: | |
4375 | if (pos >= sizeof(buf)) { | |
4376 | report("Input string too long"); | |
9e21ce5c | 4377 | return NULL; |
ef5404a4 JF |
4378 | } |
4379 | ||
4380 | if (isprint(key)) | |
4381 | buf[pos++] = (char) key; | |
4382 | } | |
4383 | } | |
4384 | ||
7a06ebdf JF |
4385 | /* Clear the status window */ |
4386 | status_empty = FALSE; | |
4387 | report(""); | |
4388 | ||
4389 | if (status == CANCEL) | |
9e21ce5c | 4390 | return NULL; |
ef5404a4 JF |
4391 | |
4392 | buf[pos++] = 0; | |
ef5404a4 | 4393 | |
9e21ce5c | 4394 | return buf; |
ef5404a4 | 4395 | } |
c34d9c9f JF |
4396 | |
4397 | /* | |
4398 | * Repository references | |
4399 | */ | |
4400 | ||
4401 | static struct ref *refs; | |
3a91b75e | 4402 | static size_t refs_size; |
c34d9c9f | 4403 | |
1307df1a JF |
4404 | /* Id <-> ref store */ |
4405 | static struct ref ***id_refs; | |
4406 | static size_t id_refs_size; | |
4407 | ||
c34d9c9f JF |
4408 | static struct ref ** |
4409 | get_refs(char *id) | |
4410 | { | |
1307df1a JF |
4411 | struct ref ***tmp_id_refs; |
4412 | struct ref **ref_list = NULL; | |
4413 | size_t ref_list_size = 0; | |
c34d9c9f JF |
4414 | size_t i; |
4415 | ||
1307df1a JF |
4416 | for (i = 0; i < id_refs_size; i++) |
4417 | if (!strcmp(id, id_refs[i][0]->id)) | |
4418 | return id_refs[i]; | |
4419 | ||
4420 | tmp_id_refs = realloc(id_refs, (id_refs_size + 1) * sizeof(*id_refs)); | |
4421 | if (!tmp_id_refs) | |
4422 | return NULL; | |
4423 | ||
4424 | id_refs = tmp_id_refs; | |
4425 | ||
c34d9c9f JF |
4426 | for (i = 0; i < refs_size; i++) { |
4427 | struct ref **tmp; | |
4428 | ||
4429 | if (strcmp(id, refs[i].id)) | |
4430 | continue; | |
4431 | ||
1307df1a | 4432 | tmp = realloc(ref_list, (ref_list_size + 1) * sizeof(*ref_list)); |
c34d9c9f | 4433 | if (!tmp) { |
1307df1a JF |
4434 | if (ref_list) |
4435 | free(ref_list); | |
c34d9c9f JF |
4436 | return NULL; |
4437 | } | |
4438 | ||
1307df1a JF |
4439 | ref_list = tmp; |
4440 | if (ref_list_size > 0) | |
4441 | ref_list[ref_list_size - 1]->next = 1; | |
4442 | ref_list[ref_list_size] = &refs[i]; | |
3af8774e JF |
4443 | |
4444 | /* XXX: The properties of the commit chains ensures that we can | |
4445 | * safely modify the shared ref. The repo references will | |
4446 | * always be similar for the same id. */ | |
1307df1a JF |
4447 | ref_list[ref_list_size]->next = 0; |
4448 | ref_list_size++; | |
c34d9c9f JF |
4449 | } |
4450 | ||
1307df1a JF |
4451 | if (ref_list) |
4452 | id_refs[id_refs_size++] = ref_list; | |
4453 | ||
4454 | return ref_list; | |
c34d9c9f JF |
4455 | } |
4456 | ||
4457 | static int | |
5699e0cf | 4458 | read_ref(char *id, size_t idlen, char *name, size_t namelen) |
c34d9c9f | 4459 | { |
d0cea5f9 JF |
4460 | struct ref *ref; |
4461 | bool tag = FALSE; | |
e15ec88e | 4462 | bool remote = FALSE; |
d0cea5f9 | 4463 | |
8b0297ae JF |
4464 | if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { |
4465 | /* Commits referenced by tags has "^{}" appended. */ | |
4466 | if (name[namelen - 1] != '}') | |
4467 | return OK; | |
4468 | ||
d0cea5f9 JF |
4469 | while (namelen > 0 && name[namelen] != '^') |
4470 | namelen--; | |
c34d9c9f | 4471 | |
d0cea5f9 | 4472 | tag = TRUE; |
8b0297ae JF |
4473 | namelen -= STRING_SIZE("refs/tags/"); |
4474 | name += STRING_SIZE("refs/tags/"); | |
c34d9c9f | 4475 | |
e15ec88e JF |
4476 | } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { |
4477 | remote = TRUE; | |
4478 | namelen -= STRING_SIZE("refs/remotes/"); | |
4479 | name += STRING_SIZE("refs/remotes/"); | |
4480 | ||
d0cea5f9 | 4481 | } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { |
8b0297ae JF |
4482 | namelen -= STRING_SIZE("refs/heads/"); |
4483 | name += STRING_SIZE("refs/heads/"); | |
c34d9c9f | 4484 | |
d0cea5f9 JF |
4485 | } else if (!strcmp(name, "HEAD")) { |
4486 | return OK; | |
4487 | } | |
6706b2ba | 4488 | |
d0cea5f9 JF |
4489 | refs = realloc(refs, sizeof(*refs) * (refs_size + 1)); |
4490 | if (!refs) | |
4491 | return ERR; | |
c34d9c9f | 4492 | |
d0cea5f9 | 4493 | ref = &refs[refs_size++]; |
8b0297ae | 4494 | ref->name = malloc(namelen + 1); |
d0cea5f9 JF |
4495 | if (!ref->name) |
4496 | return ERR; | |
3af8774e | 4497 | |
8b0297ae JF |
4498 | strncpy(ref->name, name, namelen); |
4499 | ref->name[namelen] = 0; | |
d0cea5f9 | 4500 | ref->tag = tag; |
e15ec88e | 4501 | ref->remote = remote; |
2463b4ea | 4502 | string_copy_rev(ref->id, id); |
3af8774e | 4503 | |
d0cea5f9 JF |
4504 | return OK; |
4505 | } | |
c34d9c9f | 4506 | |
d0cea5f9 JF |
4507 | static int |
4508 | load_refs(void) | |
4509 | { | |
4510 | const char *cmd_env = getenv("TIG_LS_REMOTE"); | |
4511 | const char *cmd = cmd_env && *cmd_env ? cmd_env : TIG_LS_REMOTE; | |
c34d9c9f | 4512 | |
4a63c884 | 4513 | return read_properties(popen(cmd, "r"), "\t", read_ref); |
d0cea5f9 | 4514 | } |
c34d9c9f | 4515 | |
d0cea5f9 | 4516 | static int |
5699e0cf | 4517 | read_repo_config_option(char *name, size_t namelen, char *value, size_t valuelen) |
d0cea5f9 | 4518 | { |
22913179 | 4519 | if (!strcmp(name, "i18n.commitencoding")) |
739e81de | 4520 | string_ncopy(opt_encoding, value, valuelen); |
c34d9c9f | 4521 | |
0cea0d43 JF |
4522 | if (!strcmp(name, "core.editor")) |
4523 | string_ncopy(opt_editor, value, valuelen); | |
4524 | ||
c34d9c9f JF |
4525 | return OK; |
4526 | } | |
4527 | ||
4670cf89 | 4528 | static int |
14c778a6 | 4529 | load_repo_config(void) |
4670cf89 | 4530 | { |
96e58f5b | 4531 | return read_properties(popen(GIT_CONFIG " --list", "r"), |
14c778a6 | 4532 | "=", read_repo_config_option); |
d0cea5f9 JF |
4533 | } |
4534 | ||
4535 | static int | |
5699e0cf | 4536 | read_repo_info(char *name, size_t namelen, char *value, size_t valuelen) |
91c5d983 | 4537 | { |
810f0078 JF |
4538 | if (!opt_git_dir[0]) |
4539 | string_ncopy(opt_git_dir, name, namelen); | |
4540 | else | |
739e81de | 4541 | string_ncopy(opt_cdup, name, namelen); |
91c5d983 JF |
4542 | return OK; |
4543 | } | |
4544 | ||
810f0078 JF |
4545 | /* XXX: The line outputted by "--show-cdup" can be empty so the option |
4546 | * must be the last one! */ | |
91c5d983 JF |
4547 | static int |
4548 | load_repo_info(void) | |
4549 | { | |
e0f50df0 | 4550 | return read_properties(popen("git rev-parse --git-dir --show-cdup 2>/dev/null", "r"), |
91c5d983 JF |
4551 | "=", read_repo_info); |
4552 | } | |
4553 | ||
4554 | static int | |
4a63c884 | 4555 | read_properties(FILE *pipe, const char *separators, |
5699e0cf | 4556 | int (*read_property)(char *, size_t, char *, size_t)) |
d0cea5f9 | 4557 | { |
4670cf89 JF |
4558 | char buffer[BUFSIZ]; |
4559 | char *name; | |
d0cea5f9 | 4560 | int state = OK; |
4670cf89 JF |
4561 | |
4562 | if (!pipe) | |
4563 | return ERR; | |
4564 | ||
d0cea5f9 | 4565 | while (state == OK && (name = fgets(buffer, sizeof(buffer), pipe))) { |
4a63c884 JF |
4566 | char *value; |
4567 | size_t namelen; | |
4568 | size_t valuelen; | |
4670cf89 | 4569 | |
4a63c884 JF |
4570 | name = chomp_string(name); |
4571 | namelen = strcspn(name, separators); | |
4572 | ||
4573 | if (name[namelen]) { | |
4574 | name[namelen] = 0; | |
4575 | value = chomp_string(name + namelen + 1); | |
d0cea5f9 | 4576 | valuelen = strlen(value); |
4670cf89 | 4577 | |
d0cea5f9 | 4578 | } else { |
d0cea5f9 JF |
4579 | value = ""; |
4580 | valuelen = 0; | |
4670cf89 | 4581 | } |
d0cea5f9 | 4582 | |
3c3801c2 | 4583 | state = read_property(name, namelen, value, valuelen); |
4670cf89 JF |
4584 | } |
4585 | ||
d0cea5f9 JF |
4586 | if (state != ERR && ferror(pipe)) |
4587 | state = ERR; | |
4670cf89 JF |
4588 | |
4589 | pclose(pipe); | |
4590 | ||
d0cea5f9 | 4591 | return state; |
4670cf89 JF |
4592 | } |
4593 | ||
d0cea5f9 | 4594 | |
6b161b31 JF |
4595 | /* |
4596 | * Main | |
4597 | */ | |
4598 | ||
b5c9e67f | 4599 | static void __NORETURN |
6b161b31 JF |
4600 | quit(int sig) |
4601 | { | |
8855ada4 JF |
4602 | /* XXX: Restore tty modes and let the OS cleanup the rest! */ |
4603 | if (cursed) | |
4604 | endwin(); | |
6b161b31 JF |
4605 | exit(0); |
4606 | } | |
4607 | ||
c6704a4e JF |
4608 | static void __NORETURN |
4609 | die(const char *err, ...) | |
6b161b31 JF |
4610 | { |
4611 | va_list args; | |
4612 | ||
4613 | endwin(); | |
4614 | ||
4615 | va_start(args, err); | |
4616 | fputs("tig: ", stderr); | |
4617 | vfprintf(stderr, err, args); | |
4618 | fputs("\n", stderr); | |
4619 | va_end(args); | |
4620 | ||
4621 | exit(1); | |
4622 | } | |
4623 | ||
4624 | int | |
4625 | main(int argc, char *argv[]) | |
4626 | { | |
1ba2ae4b | 4627 | struct view *view; |
6b161b31 | 4628 | enum request request; |
1ba2ae4b | 4629 | size_t i; |
6b161b31 JF |
4630 | |
4631 | signal(SIGINT, quit); | |
4632 | ||
6b68fd24 | 4633 | if (setlocale(LC_ALL, "")) { |
739e81de JF |
4634 | char *codeset = nl_langinfo(CODESET); |
4635 | ||
4636 | string_ncopy(opt_codeset, codeset, strlen(codeset)); | |
6b68fd24 JF |
4637 | } |
4638 | ||
e0f50df0 JF |
4639 | if (load_repo_info() == ERR) |
4640 | die("Failed to load repo info."); | |
4641 | ||
660e09ad JF |
4642 | if (load_options() == ERR) |
4643 | die("Failed to load user config."); | |
4644 | ||
4645 | /* Load the repo config file so options can be overwritten from | |
739e81de | 4646 | * the command line. */ |
14c778a6 | 4647 | if (load_repo_config() == ERR) |
afdc35b3 | 4648 | die("Failed to load repo config."); |
91c5d983 | 4649 | |
8855ada4 | 4650 | if (!parse_options(argc, argv)) |
6b161b31 JF |
4651 | return 0; |
4652 | ||
58a5e4ea JF |
4653 | /* Require a git repository unless when running in pager mode. */ |
4654 | if (!opt_git_dir[0]) | |
4655 | die("Not a git repository"); | |
4656 | ||
6b68fd24 JF |
4657 | if (*opt_codeset && strcmp(opt_codeset, opt_encoding)) { |
4658 | opt_iconv = iconv_open(opt_codeset, opt_encoding); | |
20f4b4a3 | 4659 | if (opt_iconv == ICONV_NONE) |
6b68fd24 JF |
4660 | die("Failed to initialize character set conversion"); |
4661 | } | |
4662 | ||
c34d9c9f JF |
4663 | if (load_refs() == ERR) |
4664 | die("Failed to load refs."); | |
4665 | ||
1ba2ae4b JF |
4666 | for (i = 0; i < ARRAY_SIZE(views) && (view = &views[i]); i++) |
4667 | view->cmd_env = getenv(view->cmd_env); | |
4668 | ||
6b161b31 JF |
4669 | request = opt_request; |
4670 | ||
4671 | init_display(); | |
b801d8b2 JF |
4672 | |
4673 | while (view_driver(display[current_view], request)) { | |
6b161b31 | 4674 | int key; |
b801d8b2 JF |
4675 | int i; |
4676 | ||
699ae55b | 4677 | foreach_view (view, i) |
6b161b31 | 4678 | update_view(view); |
b801d8b2 JF |
4679 | |
4680 | /* Refresh, accept single keystroke of input */ | |
6b161b31 | 4681 | key = wgetch(status_win); |
04e2b7b2 | 4682 | |
cf4d82e6 JF |
4683 | /* wgetch() with nodelay() enabled returns ERR when there's no |
4684 | * input. */ | |
4685 | if (key == ERR) { | |
4686 | request = REQ_NONE; | |
8b534a13 | 4687 | continue; |
cf4d82e6 | 4688 | } |
04e2b7b2 JF |
4689 | |
4690 | request = get_keybinding(display[current_view]->keymap, key); | |
03a93dbb | 4691 | |
6706b2ba | 4692 | /* Some low-level request handling. This keeps access to |
fac7db6c JF |
4693 | * status_win restricted. */ |
4694 | switch (request) { | |
4695 | case REQ_PROMPT: | |
9e21ce5c JF |
4696 | { |
4697 | char *cmd = read_prompt(":"); | |
4698 | ||
4699 | if (cmd && string_format(opt_cmd, "git %s", cmd)) { | |
4700 | if (strncmp(cmd, "show", 4) && isspace(cmd[4])) { | |
4701 | opt_request = REQ_VIEW_DIFF; | |
4702 | } else { | |
4703 | opt_request = REQ_VIEW_PAGER; | |
4704 | } | |
4705 | break; | |
4706 | } | |
fac7db6c | 4707 | |
1d754561 | 4708 | request = REQ_NONE; |
9e21ce5c JF |
4709 | break; |
4710 | } | |
4af34daa JF |
4711 | case REQ_SEARCH: |
4712 | case REQ_SEARCH_BACK: | |
4713 | { | |
4714 | const char *prompt = request == REQ_SEARCH | |
4715 | ? "/" : "?"; | |
4716 | char *search = read_prompt(prompt); | |
4717 | ||
4718 | if (search) | |
739e81de | 4719 | string_ncopy(opt_search, search, strlen(search)); |
4af34daa JF |
4720 | else |
4721 | request = REQ_NONE; | |
4722 | break; | |
4723 | } | |
fac7db6c JF |
4724 | case REQ_SCREEN_RESIZE: |
4725 | { | |
4726 | int height, width; | |
4727 | ||
4728 | getmaxyx(stdscr, height, width); | |
4729 | ||
4730 | /* Resize the status view and let the view driver take | |
4731 | * care of resizing the displayed views. */ | |
4732 | wresize(status_win, 1, width); | |
4733 | mvwin(status_win, height - 1, 0); | |
4734 | wrefresh(status_win); | |
4735 | break; | |
4736 | } | |
4737 | default: | |
4738 | break; | |
03a93dbb | 4739 | } |
b801d8b2 JF |
4740 | } |
4741 | ||
4742 | quit(0); | |
4743 | ||
4744 | return 0; | |
4745 | } |