Commit | Line | Data |
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b801d8b2 JF |
1 | /** |
2 | * TIG(1) | |
3 | * ====== | |
4 | * | |
5 | * NAME | |
6 | * ---- | |
7 | * tig - text-mode interface for git | |
8 | * | |
9 | * SYNOPSIS | |
10 | * -------- | |
11 | * [verse] | |
b76c2afc JF |
12 | * tig [options] |
13 | * tig [options] log [git log options] | |
14 | * tig [options] diff [git diff options] | |
4c6fabc2 | 15 | * tig [options] < [git log or git diff output] |
b801d8b2 JF |
16 | * |
17 | * DESCRIPTION | |
18 | * ----------- | |
19 | * Browse changes in a git repository. | |
b801d8b2 JF |
20 | **/ |
21 | ||
22 | #define DEBUG | |
b801d8b2 JF |
23 | #ifndef DEBUG |
24 | #define NDEBUG | |
25 | #endif | |
26 | ||
b76c2afc JF |
27 | #ifndef VERSION |
28 | #define VERSION "tig-0.1" | |
29 | #endif | |
30 | ||
22f66b0a | 31 | #include <assert.h> |
4c6fabc2 | 32 | #include <errno.h> |
22f66b0a JF |
33 | #include <ctype.h> |
34 | #include <signal.h> | |
b801d8b2 | 35 | #include <stdarg.h> |
b801d8b2 | 36 | #include <stdio.h> |
22f66b0a | 37 | #include <stdlib.h> |
b801d8b2 | 38 | #include <string.h> |
b76c2afc | 39 | #include <time.h> |
b801d8b2 JF |
40 | |
41 | #include <curses.h> | |
42 | #include <form.h> | |
43 | ||
44 | static void die(const char *err, ...); | |
45 | static void report(const char *msg, ...); | |
46 | ||
4c6fabc2 | 47 | /* Some ascii-shorthands that fit into the ncurses namespace. */ |
b801d8b2 | 48 | #define KEY_TAB 9 |
fd85fef1 JF |
49 | #define KEY_ESC 27 |
50 | #define KEY_DEL 127 | |
b801d8b2 | 51 | |
4c6fabc2 JF |
52 | /* View requests */ |
53 | enum request { | |
54 | /* REQ_* values from form.h is used as a basis for user actions. | |
55 | * Offset new values below relative to MAX_COMMAND from form.h. */ | |
56 | REQ_OFFSET = MAX_COMMAND, | |
57 | ||
58 | /* Requests for switching between the different views. */ | |
59 | REQ_DIFF, | |
60 | REQ_LOG, | |
61 | REQ_MAIN, | |
62 | REQ_VIEWS, | |
63 | ||
64 | REQ_QUIT, | |
65 | REQ_VERSION, | |
66 | REQ_STOP, | |
67 | REQ_UPDATE, | |
68 | REQ_REDRAW, | |
69 | REQ_FIRST_LINE, | |
70 | REQ_LAST_LINE, | |
71 | REQ_LINE_NUMBER, | |
72 | }; | |
b801d8b2 | 73 | |
4c6fabc2 JF |
74 | /* The request are used for adressing the view array. */ |
75 | #define VIEW_OFFSET(r) ((r) - REQ_OFFSET - 1) | |
b76c2afc | 76 | |
b76c2afc | 77 | #define SIZEOF_ID 1024 |
b801d8b2 | 78 | |
78c70acd JF |
79 | #define COLOR_TRANSP (-1) |
80 | ||
4c6fabc2 JF |
81 | #define DATE_FORMAT "%Y-%m-%d %H:%M" |
82 | #define DATE_COLS (STRING_SIZE("2006-04-29 14:21") + 1) | |
83 | ||
84 | #define ABS(x) ((x) >= 0 ? (x) : -(x)) | |
85 | #define MIN(x, y) ((x) < (y) ? (x) : (y)) | |
86 | ||
87 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) | |
88 | #define STRING_SIZE(x) (sizeof(x) - 1) | |
89 | ||
90 | struct commit { | |
91 | char id[41]; | |
92 | char title[75]; | |
93 | char author[75]; | |
94 | struct tm time; | |
95 | }; | |
96 | ||
78c70acd | 97 | |
b76c2afc JF |
98 | /** |
99 | * OPTIONS | |
100 | * ------- | |
101 | **/ | |
102 | ||
103 | static int opt_line_number; | |
104 | static int opt_request = REQ_MAIN; | |
105 | ||
106 | char head_id[SIZEOF_ID] = "HEAD"; | |
107 | char commit_id[SIZEOF_ID] = "HEAD"; | |
108 | ||
b76c2afc JF |
109 | /* Returns the index of log or diff command or -1 to exit. */ |
110 | static int | |
111 | parse_options(int argc, char *argv[]) | |
112 | { | |
113 | int i; | |
114 | ||
115 | for (i = 1; i < argc; i++) { | |
116 | char *opt = argv[i]; | |
117 | ||
118 | /** | |
119 | * log [options]:: | |
120 | * git log options. | |
121 | **/ | |
122 | if (!strcmp(opt, "log")) { | |
123 | opt_request = REQ_LOG; | |
124 | return i; | |
125 | ||
126 | /** | |
127 | * diff [options]:: | |
128 | * git diff options. | |
129 | **/ | |
130 | } else if (!strcmp(opt, "diff")) { | |
131 | opt_request = REQ_DIFF; | |
132 | return i; | |
133 | ||
134 | /** | |
135 | * -l:: | |
136 | * Start up in log view. | |
137 | **/ | |
138 | } else if (!strcmp(opt, "-l")) { | |
139 | opt_request = REQ_LOG; | |
140 | ||
141 | /** | |
142 | * -d:: | |
143 | * Start up in diff view. | |
144 | **/ | |
145 | } else if (!strcmp(opt, "-d")) { | |
146 | opt_request = REQ_DIFF; | |
147 | ||
148 | /** | |
149 | * -n, --line-number:: | |
150 | * Prefix line numbers in log and diff view. | |
151 | **/ | |
152 | } else if (!strcmp(opt, "-n") || | |
153 | !strcmp(opt, "--line-number")) { | |
154 | opt_line_number = 1; | |
155 | ||
156 | /** | |
157 | * -v, --version:: | |
158 | * Show version and exit. | |
159 | **/ | |
160 | } else if (!strcmp(opt, "-v") || | |
161 | !strcmp(opt, "--version")) { | |
162 | printf("tig version %s\n", VERSION); | |
163 | return -1; | |
164 | ||
165 | /** | |
166 | * ref:: | |
167 | * Commit reference, symbolic or raw SHA1 ID. | |
168 | **/ | |
169 | } else if (opt[0] && opt[0] != '-') { | |
170 | strncpy(head_id, opt, SIZEOF_ID); | |
171 | strncpy(commit_id, opt, SIZEOF_ID); | |
172 | ||
173 | } else { | |
4c6fabc2 | 174 | die("unknown command '%s'", opt); |
b76c2afc JF |
175 | } |
176 | } | |
177 | ||
178 | return i; | |
179 | } | |
180 | ||
181 | ||
182 | /* | |
183 | * Line-oriented content detection. | |
184 | */ | |
185 | ||
78c70acd | 186 | enum line_type { |
b76c2afc | 187 | LINE_DEFAULT, |
78c70acd | 188 | LINE_AUTHOR, |
b76c2afc | 189 | LINE_AUTHOR_IDENT, |
78c70acd | 190 | LINE_COMMIT, |
b76c2afc JF |
191 | LINE_COMMITTER, |
192 | LINE_CURSOR, | |
78c70acd JF |
193 | LINE_DATE, |
194 | LINE_DIFF, | |
195 | LINE_DIFF_ADD, | |
78c70acd | 196 | LINE_DIFF_CHUNK, |
b76c2afc JF |
197 | LINE_DIFF_COPY, |
198 | LINE_DIFF_DEL, | |
199 | LINE_DIFF_DISSIM, | |
200 | LINE_DIFF_NEWMODE, | |
201 | LINE_DIFF_OLDMODE, | |
202 | LINE_DIFF_RENAME, | |
203 | LINE_DIFF_SIM, | |
78c70acd JF |
204 | LINE_DIFF_TREE, |
205 | LINE_INDEX, | |
b76c2afc JF |
206 | LINE_MAIN_AUTHOR, |
207 | LINE_MAIN_COMMIT, | |
208 | LINE_MAIN_DATE, | |
209 | LINE_MAIN_DELIM, | |
210 | LINE_MERGE, | |
78c70acd | 211 | LINE_PARENT, |
4c6fabc2 | 212 | LINE_SIGNOFF, |
78c70acd JF |
213 | LINE_STATUS, |
214 | LINE_TITLE, | |
b76c2afc | 215 | LINE_TREE, |
78c70acd JF |
216 | }; |
217 | ||
218 | struct line_info { | |
219 | enum line_type type; | |
220 | char *line; | |
221 | int linelen; | |
222 | ||
223 | int fg; | |
224 | int bg; | |
225 | int attr; | |
226 | }; | |
227 | ||
228 | #define LINE(type, line, fg, bg, attr) \ | |
4c6fabc2 | 229 | { LINE_##type, (line), STRING_SIZE(line), (fg), (bg), (attr) } |
78c70acd JF |
230 | |
231 | static struct line_info line_info[] = { | |
b76c2afc JF |
232 | /* Diff markup */ |
233 | LINE(DIFF, "diff --git ", COLOR_YELLOW, COLOR_TRANSP, 0), | |
234 | LINE(INDEX, "index ", COLOR_BLUE, COLOR_TRANSP, 0), | |
235 | LINE(DIFF_CHUNK, "@@", COLOR_MAGENTA, COLOR_TRANSP, 0), | |
236 | LINE(DIFF_ADD, "+", COLOR_GREEN, COLOR_TRANSP, 0), | |
237 | LINE(DIFF_DEL, "-", COLOR_RED, COLOR_TRANSP, 0), | |
238 | LINE(DIFF_OLDMODE, "old mode ", COLOR_YELLOW, COLOR_TRANSP, 0), | |
239 | LINE(DIFF_NEWMODE, "new mode ", COLOR_YELLOW, COLOR_TRANSP, 0), | |
240 | LINE(DIFF_COPY, "copy ", COLOR_YELLOW, COLOR_TRANSP, 0), | |
241 | LINE(DIFF_RENAME, "rename ", COLOR_YELLOW, COLOR_TRANSP, 0), | |
242 | LINE(DIFF_SIM, "similarity ", COLOR_YELLOW, COLOR_TRANSP, 0), | |
243 | LINE(DIFF_DISSIM, "dissimilarity ", COLOR_YELLOW, COLOR_TRANSP, 0), | |
244 | ||
245 | /* Pretty print commit header */ | |
246 | LINE(AUTHOR, "Author: ", COLOR_CYAN, COLOR_TRANSP, 0), | |
247 | LINE(MERGE, "Merge: ", COLOR_BLUE, COLOR_TRANSP, 0), | |
248 | LINE(DATE, "Date: ", COLOR_YELLOW, COLOR_TRANSP, 0), | |
249 | ||
250 | /* Raw commit header */ | |
251 | LINE(COMMIT, "commit ", COLOR_GREEN, COLOR_TRANSP, 0), | |
252 | LINE(PARENT, "parent ", COLOR_BLUE, COLOR_TRANSP, 0), | |
253 | LINE(TREE, "tree ", COLOR_BLUE, COLOR_TRANSP, 0), | |
254 | LINE(AUTHOR_IDENT, "author ", COLOR_CYAN, COLOR_TRANSP, 0), | |
255 | LINE(COMMITTER, "committer ", COLOR_MAGENTA, COLOR_TRANSP, 0), | |
256 | ||
4c6fabc2 | 257 | /* Misc */ |
b76c2afc | 258 | LINE(DIFF_TREE, "diff-tree ", COLOR_BLUE, COLOR_TRANSP, 0), |
4c6fabc2 | 259 | LINE(SIGNOFF, " Signed-off-by", COLOR_YELLOW, COLOR_TRANSP, 0), |
b76c2afc JF |
260 | |
261 | /* UI colors */ | |
262 | LINE(DEFAULT, "", COLOR_TRANSP, COLOR_TRANSP, A_NORMAL), | |
263 | LINE(CURSOR, "", COLOR_WHITE, COLOR_GREEN, A_BOLD), | |
264 | LINE(STATUS, "", COLOR_GREEN, COLOR_TRANSP, 0), | |
265 | LINE(TITLE, "", COLOR_YELLOW, COLOR_BLUE, A_BOLD), | |
266 | LINE(MAIN_DATE, "", COLOR_BLUE, COLOR_TRANSP, 0), | |
267 | LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_TRANSP, 0), | |
268 | LINE(MAIN_COMMIT, "", COLOR_TRANSP, COLOR_TRANSP, 0), | |
269 | LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_TRANSP, 0), | |
78c70acd JF |
270 | }; |
271 | ||
272 | static struct line_info * | |
273 | get_line_info(char *line) | |
274 | { | |
275 | int linelen = strlen(line); | |
276 | int i; | |
277 | ||
278 | for (i = 0; i < ARRAY_SIZE(line_info); i++) { | |
279 | if (linelen < line_info[i].linelen | |
4c6fabc2 | 280 | || strncasecmp(line_info[i].line, line, line_info[i].linelen)) |
78c70acd JF |
281 | continue; |
282 | ||
283 | return &line_info[i]; | |
284 | } | |
285 | ||
286 | return NULL; | |
287 | } | |
288 | ||
289 | static enum line_type | |
290 | get_line_type(char *line) | |
291 | { | |
292 | struct line_info *info = get_line_info(line); | |
293 | ||
b76c2afc | 294 | return info ? info->type : LINE_DEFAULT; |
78c70acd JF |
295 | } |
296 | ||
297 | static int | |
298 | get_line_attr(enum line_type type) | |
299 | { | |
300 | int i; | |
301 | ||
302 | for (i = 0; i < ARRAY_SIZE(line_info); i++) | |
303 | if (line_info[i].type == type) | |
304 | return COLOR_PAIR(line_info[i].type) | line_info[i].attr; | |
305 | ||
306 | return A_NORMAL; | |
307 | } | |
308 | ||
309 | static void | |
310 | init_colors(void) | |
311 | { | |
312 | int transparent_bg = COLOR_BLACK; | |
313 | int transparent_fg = COLOR_WHITE; | |
314 | int i; | |
315 | ||
316 | start_color(); | |
317 | ||
318 | if (use_default_colors() != ERR) { | |
319 | transparent_bg = -1; | |
320 | transparent_fg = -1; | |
321 | } | |
322 | ||
323 | for (i = 0; i < ARRAY_SIZE(line_info); i++) { | |
324 | struct line_info *info = &line_info[i]; | |
325 | int bg = info->bg == COLOR_TRANSP ? transparent_bg : info->bg; | |
326 | int fg = info->fg == COLOR_TRANSP ? transparent_fg : info->fg; | |
327 | ||
328 | init_pair(info->type, fg, bg); | |
329 | } | |
330 | } | |
331 | ||
332 | ||
b801d8b2 JF |
333 | /** |
334 | * KEYS | |
335 | * ---- | |
336 | * | |
337 | * d:: | |
338 | * diff | |
339 | * l:: | |
340 | * log | |
341 | * q:: | |
342 | * quit | |
343 | * r:: | |
344 | * redraw screen | |
345 | * s:: | |
346 | * stop all background loading | |
347 | * j:: | |
348 | * down | |
349 | * k:: | |
350 | * up | |
351 | * h, ?:: | |
352 | * help | |
353 | * v:: | |
354 | * version | |
b801d8b2 JF |
355 | **/ |
356 | ||
357 | #define HELP "(d)iff, (l)og, (m)ain, (q)uit, (v)ersion, (h)elp" | |
358 | ||
359 | struct keymap { | |
360 | int alias; | |
361 | int request; | |
362 | }; | |
363 | ||
364 | struct keymap keymap[] = { | |
fd85fef1 | 365 | /* Cursor navigation */ |
b801d8b2 JF |
366 | { KEY_UP, REQ_PREV_LINE }, |
367 | { 'k', REQ_PREV_LINE }, | |
368 | { KEY_DOWN, REQ_NEXT_LINE }, | |
369 | { 'j', REQ_NEXT_LINE }, | |
fd85fef1 JF |
370 | { KEY_HOME, REQ_FIRST_LINE }, |
371 | { KEY_END, REQ_LAST_LINE }, | |
78c70acd JF |
372 | { KEY_NPAGE, REQ_NEXT_PAGE }, |
373 | { KEY_PPAGE, REQ_PREV_PAGE }, | |
fd85fef1 JF |
374 | |
375 | /* Scrolling */ | |
376 | { KEY_IC, REQ_SCR_BLINE }, /* scroll field backward a line */ | |
377 | { KEY_DC, REQ_SCR_FLINE }, /* scroll field forward a line */ | |
78c70acd JF |
378 | { 's', REQ_SCR_FPAGE }, /* scroll field forward a page */ |
379 | { 'w', REQ_SCR_BPAGE }, /* scroll field backward a page */ | |
b801d8b2 JF |
380 | |
381 | { 'd', REQ_DIFF }, | |
382 | { 'l', REQ_LOG }, | |
383 | { 'm', REQ_MAIN }, | |
384 | ||
b76c2afc JF |
385 | { 'n', REQ_LINE_NUMBER }, |
386 | ||
b801d8b2 JF |
387 | /* No input from wgetch() with nodelay() enabled. */ |
388 | { ERR, REQ_UPDATE }, | |
389 | ||
390 | { KEY_ESC, REQ_QUIT }, | |
391 | { 'q', REQ_QUIT }, | |
392 | { 's', REQ_STOP }, | |
393 | { 'v', REQ_VERSION }, | |
394 | { 'r', REQ_REDRAW }, | |
395 | }; | |
396 | ||
397 | static int | |
398 | get_request(int request) | |
399 | { | |
400 | int i; | |
401 | ||
402 | for (i = 0; i < ARRAY_SIZE(keymap); i++) | |
403 | if (keymap[i].alias == request) | |
404 | return keymap[i].request; | |
405 | ||
406 | return request; | |
407 | } | |
408 | ||
409 | ||
410 | /* | |
411 | * Viewer | |
412 | */ | |
413 | ||
414 | struct view { | |
415 | char *name; | |
416 | char *cmd; | |
fd85fef1 | 417 | char *id; |
b801d8b2 | 418 | |
22f66b0a | 419 | |
b801d8b2 | 420 | /* Rendering */ |
22f66b0a JF |
421 | int (*read)(struct view *, char *); |
422 | int (*draw)(struct view *, unsigned int); | |
423 | size_t objsize; /* Size of objects in the line index */ | |
424 | ||
b801d8b2 | 425 | WINDOW *win; |
fd85fef1 | 426 | int height, width; |
b801d8b2 JF |
427 | |
428 | /* Navigation */ | |
429 | unsigned long offset; /* Offset of the window top */ | |
430 | unsigned long lineno; /* Current line number */ | |
431 | ||
432 | /* Buffering */ | |
433 | unsigned long lines; /* Total number of lines */ | |
22f66b0a | 434 | void **line; /* Line index */ |
b801d8b2 JF |
435 | |
436 | /* Loading */ | |
437 | FILE *pipe; | |
438 | }; | |
439 | ||
22f66b0a JF |
440 | static int pager_draw(struct view *view, unsigned int lineno); |
441 | static int pager_read(struct view *view, char *line); | |
442 | ||
443 | static int main_draw(struct view *view, unsigned int lineno); | |
444 | static int main_read(struct view *view, char *line); | |
b801d8b2 | 445 | |
fd85fef1 | 446 | #define DIFF_CMD \ |
b801d8b2 JF |
447 | "git log --stat -n1 %s ; echo; " \ |
448 | "git diff --find-copies-harder -B -C %s^ %s" | |
449 | ||
450 | #define LOG_CMD \ | |
451 | "git log --stat -n100 %s" | |
452 | ||
fd85fef1 JF |
453 | #define MAIN_CMD \ |
454 | "git log --stat --pretty=raw %s" | |
455 | ||
4c6fabc2 | 456 | /* The status window is used for polling keystrokes. */ |
b801d8b2 | 457 | static WINDOW *status_win; |
78c70acd JF |
458 | static WINDOW *title_win; |
459 | ||
4c6fabc2 JF |
460 | /* The number of loading views. Controls when nodelay should be in effect when |
461 | * polling user input. */ | |
fd85fef1 JF |
462 | static unsigned int nloading; |
463 | ||
b801d8b2 | 464 | static struct view views[] = { |
22f66b0a | 465 | { "diff", DIFF_CMD, commit_id, pager_read, pager_draw, sizeof(char) }, |
78c70acd JF |
466 | { "log", LOG_CMD, head_id, pager_read, pager_draw, sizeof(char) }, |
467 | { "main", MAIN_CMD, head_id, main_read, main_draw, sizeof(struct commit) }, | |
b801d8b2 JF |
468 | }; |
469 | ||
4c6fabc2 | 470 | /* The display array of active views and the index of the current view. */ |
b801d8b2 | 471 | static struct view *display[ARRAY_SIZE(views)]; |
4c6fabc2 | 472 | static unsigned int current_view; |
22f66b0a | 473 | |
b801d8b2 JF |
474 | #define foreach_view(view, i) \ |
475 | for (i = 0; i < sizeof(display) && (view = display[i]); i++) | |
476 | ||
4c6fabc2 | 477 | |
b801d8b2 JF |
478 | static void |
479 | redraw_view(struct view *view) | |
480 | { | |
481 | int lineno; | |
b801d8b2 JF |
482 | |
483 | wclear(view->win); | |
484 | wmove(view->win, 0, 0); | |
485 | ||
fd85fef1 | 486 | for (lineno = 0; lineno < view->height; lineno++) { |
22f66b0a | 487 | if (!view->draw(view, lineno)) |
fd85fef1 | 488 | break; |
b801d8b2 JF |
489 | } |
490 | ||
491 | redrawwin(view->win); | |
492 | wrefresh(view->win); | |
493 | } | |
494 | ||
b76c2afc JF |
495 | static void |
496 | resize_view(struct view *view) | |
497 | { | |
498 | int lines, cols; | |
499 | ||
500 | getmaxyx(stdscr, lines, cols); | |
501 | ||
502 | if (view->win) { | |
503 | mvwin(view->win, 0, 0); | |
504 | wresize(view->win, lines - 2, cols); | |
505 | ||
506 | } else { | |
507 | view->win = newwin(lines - 2, 0, 0, 0); | |
508 | if (!view->win) { | |
509 | report("failed to create %s view", view->name); | |
510 | return; | |
511 | } | |
512 | scrollok(view->win, TRUE); | |
513 | } | |
514 | ||
515 | getmaxyx(view->win, view->height, view->width); | |
516 | } | |
517 | ||
b801d8b2 JF |
518 | /* FIXME: Fix percentage. */ |
519 | static void | |
520 | report_position(struct view *view, int all) | |
521 | { | |
4c6fabc2 | 522 | report(all ? "line %d of %d (%d%%)" |
b801d8b2 JF |
523 | : "line %d of %d", |
524 | view->lineno + 1, | |
525 | view->lines, | |
4c6fabc2 | 526 | view->lines ? (view->lineno + 1) * 100 / view->lines : 0); |
b801d8b2 JF |
527 | } |
528 | ||
78c70acd | 529 | |
b801d8b2 | 530 | static void |
fd85fef1 | 531 | move_view(struct view *view, int lines) |
b801d8b2 | 532 | { |
fd85fef1 JF |
533 | /* The rendering expects the new offset. */ |
534 | view->offset += lines; | |
535 | ||
536 | assert(0 <= view->offset && view->offset < view->lines); | |
537 | assert(lines); | |
b801d8b2 | 538 | |
4c6fabc2 | 539 | if (view->height < ABS(lines)) { |
b76c2afc JF |
540 | redraw_view(view); |
541 | ||
542 | } else { | |
22f66b0a JF |
543 | int line = lines > 0 ? view->height - lines : 0; |
544 | int end = line + (lines > 0 ? lines : -lines); | |
fd85fef1 JF |
545 | |
546 | wscrl(view->win, lines); | |
547 | ||
22f66b0a JF |
548 | for (; line < end; line++) { |
549 | if (!view->draw(view, line)) | |
fd85fef1 JF |
550 | break; |
551 | } | |
552 | } | |
553 | ||
554 | /* Move current line into the view. */ | |
555 | if (view->lineno < view->offset) { | |
556 | view->lineno = view->offset; | |
22f66b0a | 557 | view->draw(view, 0); |
fd85fef1 JF |
558 | |
559 | } else if (view->lineno >= view->offset + view->height) { | |
560 | view->lineno = view->offset + view->height - 1; | |
22f66b0a | 561 | view->draw(view, view->lineno - view->offset); |
fd85fef1 JF |
562 | } |
563 | ||
4c6fabc2 | 564 | assert(view->offset <= view->lineno && view->lineno < view->lines); |
fd85fef1 JF |
565 | |
566 | redrawwin(view->win); | |
567 | wrefresh(view->win); | |
568 | ||
569 | report_position(view, lines); | |
570 | } | |
78c70acd | 571 | |
fd85fef1 JF |
572 | static void |
573 | scroll_view(struct view *view, int request) | |
574 | { | |
575 | int lines = 1; | |
b801d8b2 JF |
576 | |
577 | switch (request) { | |
fd85fef1 JF |
578 | case REQ_SCR_FPAGE: |
579 | lines = view->height; | |
580 | case REQ_SCR_FLINE: | |
b801d8b2 | 581 | if (view->offset + lines > view->lines) |
bde3653a | 582 | lines = view->lines - view->offset; |
b801d8b2 | 583 | |
fd85fef1 | 584 | if (lines == 0 || view->offset + view->height >= view->lines) { |
b801d8b2 JF |
585 | report("already at last line"); |
586 | return; | |
587 | } | |
588 | break; | |
589 | ||
fd85fef1 JF |
590 | case REQ_SCR_BPAGE: |
591 | lines = view->height; | |
592 | case REQ_SCR_BLINE: | |
b801d8b2 JF |
593 | if (lines > view->offset) |
594 | lines = view->offset; | |
595 | ||
596 | if (lines == 0) { | |
597 | report("already at first line"); | |
598 | return; | |
599 | } | |
600 | ||
fd85fef1 | 601 | lines = -lines; |
b801d8b2 | 602 | break; |
b801d8b2 JF |
603 | } |
604 | ||
fd85fef1 JF |
605 | move_view(view, lines); |
606 | } | |
b801d8b2 | 607 | |
fd85fef1 JF |
608 | static void |
609 | navigate_view(struct view *view, int request) | |
610 | { | |
611 | int steps; | |
b801d8b2 | 612 | |
fd85fef1 | 613 | switch (request) { |
78c70acd JF |
614 | case REQ_FIRST_LINE: |
615 | steps = -view->lineno; | |
616 | break; | |
617 | ||
618 | case REQ_LAST_LINE: | |
619 | steps = view->lines - view->lineno - 1; | |
620 | break; | |
621 | ||
622 | case REQ_PREV_PAGE: | |
623 | steps = view->height > view->lineno | |
624 | ? -view->lineno : -view->height; | |
625 | break; | |
626 | ||
627 | case REQ_NEXT_PAGE: | |
628 | steps = view->lineno + view->height >= view->lines | |
629 | ? view->lines - view->lineno - 1 : view->height; | |
630 | break; | |
631 | ||
fd85fef1 | 632 | case REQ_PREV_LINE: |
fd85fef1 JF |
633 | steps = -1; |
634 | break; | |
b801d8b2 | 635 | |
fd85fef1 | 636 | case REQ_NEXT_LINE: |
fd85fef1 JF |
637 | steps = 1; |
638 | break; | |
78c70acd | 639 | } |
b801d8b2 | 640 | |
4c6fabc2 | 641 | if (steps <= 0 && view->lineno == 0) { |
78c70acd JF |
642 | report("already at first line"); |
643 | return; | |
b801d8b2 | 644 | |
4c6fabc2 | 645 | } else if (steps >= 0 && view->lineno + 1 == view->lines) { |
78c70acd JF |
646 | report("already at last line"); |
647 | return; | |
fd85fef1 JF |
648 | } |
649 | ||
4c6fabc2 | 650 | /* Move the current line */ |
fd85fef1 | 651 | view->lineno += steps; |
4c6fabc2 JF |
652 | assert(0 <= view->lineno && view->lineno < view->lines); |
653 | ||
654 | /* Repaint the old "current" line if we be scrolling */ | |
655 | if (ABS(steps) < view->height) | |
656 | view->draw(view, view->lineno - steps - view->offset); | |
fd85fef1 | 657 | |
4c6fabc2 | 658 | /* Check whether the view needs to be scrolled */ |
fd85fef1 JF |
659 | if (view->lineno < view->offset || |
660 | view->lineno >= view->offset + view->height) { | |
661 | if (steps < 0 && -steps > view->offset) { | |
662 | steps = -view->offset; | |
b76c2afc JF |
663 | |
664 | } else if (steps > 0) { | |
665 | if (view->lineno == view->lines - 1 && | |
666 | view->lines > view->height) { | |
667 | steps = view->lines - view->offset - 1; | |
668 | if (steps >= view->height) | |
669 | steps -= view->height - 1; | |
670 | } | |
b801d8b2 | 671 | } |
78c70acd | 672 | |
fd85fef1 JF |
673 | move_view(view, steps); |
674 | return; | |
b801d8b2 JF |
675 | } |
676 | ||
4c6fabc2 | 677 | /* Draw the current line */ |
22f66b0a | 678 | view->draw(view, view->lineno - view->offset); |
fd85fef1 | 679 | |
b801d8b2 JF |
680 | redrawwin(view->win); |
681 | wrefresh(view->win); | |
682 | ||
fd85fef1 | 683 | report_position(view, view->height); |
b801d8b2 JF |
684 | } |
685 | ||
b801d8b2 JF |
686 | |
687 | ||
688 | static bool | |
689 | begin_update(struct view *view) | |
690 | { | |
691 | char buf[1024]; | |
692 | ||
693 | if (view->cmd) { | |
fd85fef1 JF |
694 | char *id = view->id; |
695 | ||
696 | if (snprintf(buf, sizeof(buf), view->cmd, id, id, id) < sizeof(buf)) | |
b801d8b2 JF |
697 | view->pipe = popen(buf, "r"); |
698 | ||
699 | if (!view->pipe) | |
700 | return FALSE; | |
701 | ||
702 | if (nloading++ == 0) | |
703 | nodelay(status_win, TRUE); | |
704 | } | |
705 | ||
706 | display[current_view] = view; | |
707 | ||
708 | view->offset = 0; | |
709 | view->lines = 0; | |
710 | view->lineno = 0; | |
711 | ||
712 | return TRUE; | |
713 | } | |
714 | ||
715 | static void | |
716 | end_update(struct view *view) | |
717 | { | |
718 | wattrset(view->win, A_NORMAL); | |
719 | pclose(view->pipe); | |
720 | view->pipe = NULL; | |
721 | ||
722 | if (nloading-- == 1) | |
723 | nodelay(status_win, FALSE); | |
724 | } | |
725 | ||
726 | static int | |
727 | update_view(struct view *view) | |
728 | { | |
729 | char buffer[BUFSIZ]; | |
730 | char *line; | |
22f66b0a | 731 | void **tmp; |
b801d8b2 | 732 | int redraw; |
fd85fef1 | 733 | int lines = view->height; |
b801d8b2 JF |
734 | |
735 | if (!view->pipe) | |
736 | return TRUE; | |
737 | ||
fd85fef1 | 738 | /* Only redraw after the first reading session. */ |
22f66b0a JF |
739 | /* FIXME: ... and possibly more. */ |
740 | redraw = view->height > view->lines; | |
b801d8b2 JF |
741 | |
742 | tmp = realloc(view->line, sizeof(*view->line) * (view->lines + lines)); | |
743 | if (!tmp) | |
744 | goto alloc_error; | |
745 | ||
746 | view->line = tmp; | |
747 | ||
748 | while ((line = fgets(buffer, sizeof(buffer), view->pipe))) { | |
749 | int linelen; | |
750 | ||
b801d8b2 JF |
751 | linelen = strlen(line); |
752 | if (linelen) | |
753 | line[linelen - 1] = 0; | |
754 | ||
22f66b0a | 755 | if (!view->read(view, line)) |
b801d8b2 | 756 | goto alloc_error; |
fd85fef1 JF |
757 | |
758 | if (lines-- == 1) | |
759 | break; | |
b801d8b2 JF |
760 | } |
761 | ||
4c6fabc2 JF |
762 | if (redraw) { |
763 | /* FIXME: This causes flickering. Draw incrementally. */ | |
b801d8b2 | 764 | redraw_view(view); |
4c6fabc2 | 765 | } |
b801d8b2 JF |
766 | |
767 | if (ferror(view->pipe)) { | |
4c6fabc2 | 768 | report("failed to read %s: %s", view->cmd, strerror(errno)); |
b801d8b2 JF |
769 | goto end; |
770 | ||
771 | } else if (feof(view->pipe)) { | |
772 | report_position(view, 0); | |
773 | goto end; | |
774 | } | |
775 | ||
776 | return TRUE; | |
777 | ||
778 | alloc_error: | |
fd85fef1 | 779 | report("allocation failure"); |
b801d8b2 JF |
780 | |
781 | end: | |
782 | end_update(view); | |
783 | return FALSE; | |
784 | } | |
785 | ||
786 | ||
787 | static struct view * | |
788 | switch_view(struct view *prev, int request) | |
789 | { | |
4c6fabc2 | 790 | struct view *view = &views[VIEW_OFFSET(request)]; |
b801d8b2 JF |
791 | struct view *displayed; |
792 | int i; | |
793 | ||
794 | if (view == prev) { | |
795 | foreach_view (displayed, i) ; | |
796 | ||
797 | if (i == 1) | |
fd85fef1 | 798 | report("already in %s view", view->name); |
b801d8b2 JF |
799 | else |
800 | report("FIXME: Maximize"); | |
801 | ||
802 | return view; | |
803 | ||
804 | } else { | |
805 | foreach_view (displayed, i) { | |
806 | if (view == displayed) { | |
807 | current_view = i; | |
fd85fef1 | 808 | report("new current view"); |
b801d8b2 JF |
809 | return view; |
810 | } | |
811 | } | |
812 | } | |
813 | ||
814 | if (!view->win) | |
815 | resize_view(view); | |
816 | ||
817 | /* Reload */ | |
818 | ||
819 | if (view->line) { | |
820 | for (i = 0; i < view->lines; i++) | |
821 | if (view->line[i]) | |
822 | free(view->line[i]); | |
823 | ||
824 | free(view->line); | |
825 | view->line = NULL; | |
826 | } | |
827 | ||
828 | if (prev && prev->pipe) | |
829 | end_update(prev); | |
830 | ||
831 | if (begin_update(view)) { | |
832 | if (!view->cmd) | |
833 | report("%s", HELP); | |
834 | else | |
835 | report("loading..."); | |
836 | } | |
837 | ||
838 | return view; | |
839 | } | |
840 | ||
841 | ||
842 | /* Process a keystroke */ | |
843 | static int | |
844 | view_driver(struct view *view, int key) | |
845 | { | |
846 | int request = get_request(key); | |
847 | int i; | |
848 | ||
849 | switch (request) { | |
850 | case REQ_NEXT_LINE: | |
b801d8b2 | 851 | case REQ_PREV_LINE: |
fd85fef1 JF |
852 | case REQ_FIRST_LINE: |
853 | case REQ_LAST_LINE: | |
78c70acd JF |
854 | case REQ_NEXT_PAGE: |
855 | case REQ_PREV_PAGE: | |
fd85fef1 JF |
856 | if (view) |
857 | navigate_view(view, request); | |
858 | break; | |
859 | ||
860 | case REQ_SCR_FLINE: | |
861 | case REQ_SCR_BLINE: | |
862 | case REQ_SCR_FPAGE: | |
863 | case REQ_SCR_BPAGE: | |
b801d8b2 JF |
864 | if (view) |
865 | scroll_view(view, request); | |
866 | break; | |
867 | ||
868 | case REQ_MAIN: | |
869 | case REQ_LOG: | |
870 | case REQ_DIFF: | |
871 | view = switch_view(view, request); | |
872 | break; | |
873 | ||
b76c2afc JF |
874 | case REQ_LINE_NUMBER: |
875 | opt_line_number = !opt_line_number; | |
876 | redraw_view(view); | |
877 | break; | |
878 | ||
b801d8b2 JF |
879 | case REQ_REDRAW: |
880 | redraw_view(view); | |
881 | break; | |
882 | ||
883 | case REQ_STOP: | |
884 | foreach_view (view, i) { | |
885 | if (view->pipe) { | |
886 | end_update(view); | |
887 | scroll_view(view, 0); | |
888 | } | |
889 | } | |
890 | break; | |
891 | ||
892 | case REQ_VERSION: | |
893 | report("version %s", VERSION); | |
894 | return TRUE; | |
895 | ||
896 | case REQ_UPDATE: | |
897 | doupdate(); | |
898 | return TRUE; | |
899 | ||
900 | case REQ_QUIT: | |
901 | return FALSE; | |
902 | ||
903 | default: | |
904 | report(HELP); | |
905 | return TRUE; | |
906 | } | |
907 | ||
908 | return TRUE; | |
909 | } | |
910 | ||
911 | ||
912 | /* | |
913 | * Rendering | |
914 | */ | |
915 | ||
b801d8b2 | 916 | static int |
22f66b0a | 917 | pager_draw(struct view *view, unsigned int lineno) |
b801d8b2 | 918 | { |
78c70acd | 919 | enum line_type type; |
b801d8b2 | 920 | char *line; |
4c6fabc2 | 921 | int linelen; |
78c70acd | 922 | int attr; |
b801d8b2 | 923 | |
fd85fef1 JF |
924 | if (view->offset + lineno >= view->lines) |
925 | return FALSE; | |
926 | ||
b801d8b2 | 927 | line = view->line[view->offset + lineno]; |
78c70acd | 928 | type = get_line_type(line); |
b801d8b2 | 929 | |
fd85fef1 | 930 | if (view->offset + lineno == view->lineno) { |
78c70acd | 931 | if (type == LINE_COMMIT) |
fd85fef1 | 932 | strncpy(commit_id, line + 7, SIZEOF_ID); |
78c70acd | 933 | type = LINE_CURSOR; |
fd85fef1 JF |
934 | } |
935 | ||
78c70acd | 936 | attr = get_line_attr(type); |
b801d8b2 | 937 | wattrset(view->win, attr); |
b76c2afc | 938 | |
4c6fabc2 JF |
939 | linelen = strlen(line); |
940 | linelen = MIN(linelen, view->width); | |
941 | ||
b76c2afc | 942 | if (opt_line_number) { |
4c6fabc2 JF |
943 | wmove(view->win, lineno, 0); |
944 | lineno += view->offset + 1; | |
945 | if (lineno == 1 || (lineno % 10) == 0) | |
946 | wprintw(view->win, "%4d: ", lineno); | |
947 | else | |
948 | wprintw(view->win, " : ", lineno); | |
949 | ||
b76c2afc JF |
950 | while (line) { |
951 | if (*line == '\t') { | |
952 | waddstr(view->win, " "); | |
953 | line++; | |
954 | } else { | |
955 | char *tab = strchr(line, '\t'); | |
956 | ||
957 | if (tab) | |
958 | waddnstr(view->win, line, tab - line); | |
959 | else | |
960 | waddstr(view->win, line); | |
961 | line = tab; | |
962 | } | |
963 | } | |
964 | waddstr(view->win, line); | |
965 | ||
966 | } else { | |
967 | /* No empty lines makes cursor drawing and clearing implicit. */ | |
968 | if (!*line) | |
4c6fabc2 JF |
969 | line = " ", linelen = 1; |
970 | mvwaddnstr(view->win, lineno, 0, line, linelen); | |
b76c2afc | 971 | } |
b801d8b2 JF |
972 | |
973 | return TRUE; | |
974 | } | |
975 | ||
22f66b0a JF |
976 | static int |
977 | pager_read(struct view *view, char *line) | |
978 | { | |
979 | view->line[view->lines] = strdup(line); | |
980 | if (!view->line[view->lines]) | |
981 | return FALSE; | |
982 | ||
983 | view->lines++; | |
984 | return TRUE; | |
985 | } | |
986 | ||
987 | static int | |
988 | main_draw(struct view *view, unsigned int lineno) | |
989 | { | |
b76c2afc | 990 | char buf[21]; |
22f66b0a | 991 | struct commit *commit; |
78c70acd | 992 | enum line_type type; |
b76c2afc JF |
993 | int cols = 0; |
994 | size_t timelen; | |
22f66b0a JF |
995 | |
996 | if (view->offset + lineno >= view->lines) | |
997 | return FALSE; | |
998 | ||
999 | commit = view->line[view->offset + lineno]; | |
4c6fabc2 JF |
1000 | if (!*commit->author) |
1001 | return FALSE; | |
22f66b0a | 1002 | |
22f66b0a JF |
1003 | if (view->offset + lineno == view->lineno) { |
1004 | strncpy(commit_id, commit->id, SIZEOF_ID); | |
78c70acd JF |
1005 | type = LINE_CURSOR; |
1006 | } else { | |
b76c2afc JF |
1007 | type = LINE_MAIN_COMMIT; |
1008 | } | |
1009 | ||
1010 | wmove(view->win, lineno, cols); | |
1011 | wattrset(view->win, get_line_attr(LINE_MAIN_DATE)); | |
1012 | ||
4c6fabc2 | 1013 | timelen = strftime(buf, sizeof(buf), DATE_FORMAT, &commit->time); |
b76c2afc | 1014 | waddnstr(view->win, buf, timelen); |
4c6fabc2 | 1015 | waddstr(view->win, " "); |
b76c2afc | 1016 | |
4c6fabc2 | 1017 | cols += DATE_COLS; |
b76c2afc JF |
1018 | wmove(view->win, lineno, cols); |
1019 | wattrset(view->win, get_line_attr(LINE_MAIN_AUTHOR)); | |
1020 | ||
1021 | if (strlen(commit->author) > 19) { | |
1022 | waddnstr(view->win, commit->author, 18); | |
1023 | wattrset(view->win, get_line_attr(LINE_MAIN_DELIM)); | |
1024 | waddch(view->win, '~'); | |
1025 | } else { | |
1026 | waddstr(view->win, commit->author); | |
22f66b0a JF |
1027 | } |
1028 | ||
b76c2afc JF |
1029 | cols += 20; |
1030 | wattrset(view->win, A_NORMAL); | |
1031 | mvwaddch(view->win, lineno, cols, ACS_LTEE); | |
78c70acd | 1032 | wattrset(view->win, get_line_attr(type)); |
b76c2afc | 1033 | mvwaddstr(view->win, lineno, cols + 2, commit->title); |
22f66b0a JF |
1034 | wattrset(view->win, A_NORMAL); |
1035 | ||
1036 | return TRUE; | |
1037 | } | |
1038 | ||
4c6fabc2 | 1039 | /* Reads git log --pretty=raw output and parses it into the commit struct. */ |
22f66b0a JF |
1040 | static int |
1041 | main_read(struct view *view, char *line) | |
1042 | { | |
78c70acd JF |
1043 | enum line_type type = get_line_type(line); |
1044 | struct commit *commit; | |
22f66b0a | 1045 | |
78c70acd JF |
1046 | switch (type) { |
1047 | case LINE_COMMIT: | |
22f66b0a JF |
1048 | commit = calloc(1, sizeof(struct commit)); |
1049 | if (!commit) | |
1050 | return FALSE; | |
1051 | ||
4c6fabc2 | 1052 | line += STRING_SIZE("commit "); |
b76c2afc | 1053 | |
22f66b0a | 1054 | view->line[view->lines++] = commit; |
b76c2afc | 1055 | strncpy(commit->id, line, sizeof(commit->id)); |
78c70acd | 1056 | break; |
22f66b0a | 1057 | |
b76c2afc JF |
1058 | case LINE_AUTHOR_IDENT: |
1059 | { | |
4c6fabc2 | 1060 | char *ident = line + STRING_SIZE("author "); |
b76c2afc JF |
1061 | char *end = strchr(ident, '<'); |
1062 | ||
1063 | if (end) { | |
1064 | for (; end > ident && isspace(end[-1]); end--) ; | |
1065 | *end = 0; | |
1066 | } | |
1067 | ||
1068 | commit = view->line[view->lines - 1]; | |
1069 | strncpy(commit->author, ident, sizeof(commit->author)); | |
1070 | ||
4c6fabc2 | 1071 | /* Parse epoch and timezone */ |
b76c2afc JF |
1072 | if (end) { |
1073 | char *secs = strchr(end + 1, '>'); | |
1074 | char *zone; | |
1075 | time_t time; | |
1076 | ||
1077 | if (!secs || secs[1] != ' ') | |
1078 | break; | |
1079 | ||
1080 | secs += 2; | |
1081 | time = (time_t) atol(secs); | |
1082 | zone = strchr(secs, ' '); | |
4c6fabc2 | 1083 | if (zone && strlen(zone) == STRING_SIZE(" +0700")) { |
b76c2afc JF |
1084 | long tz; |
1085 | ||
1086 | zone++; | |
1087 | tz = ('0' - zone[1]) * 60 * 60 * 10; | |
1088 | tz += ('0' - zone[2]) * 60 * 60; | |
1089 | tz += ('0' - zone[3]) * 60; | |
1090 | tz += ('0' - zone[4]) * 60; | |
1091 | ||
1092 | if (zone[0] == '-') | |
1093 | tz = -tz; | |
1094 | ||
1095 | time -= tz; | |
1096 | } | |
1097 | gmtime_r(&time, &commit->time); | |
1098 | } | |
1099 | break; | |
1100 | } | |
78c70acd | 1101 | default: |
4c6fabc2 | 1102 | /* Fill in the commit title */ |
78c70acd | 1103 | commit = view->line[view->lines - 1]; |
22f66b0a | 1104 | if (!commit->title[0] && |
22f66b0a JF |
1105 | !strncmp(line, " ", 4) && |
1106 | !isspace(line[5])) | |
1107 | strncpy(commit->title, line + 4, sizeof(commit->title)); | |
1108 | } | |
1109 | ||
1110 | return TRUE; | |
1111 | } | |
1112 | ||
1113 | ||
b801d8b2 JF |
1114 | /* |
1115 | * Main | |
1116 | */ | |
1117 | ||
1118 | static void | |
1119 | quit(int sig) | |
1120 | { | |
1121 | if (status_win) | |
1122 | delwin(status_win); | |
78c70acd JF |
1123 | if (title_win) |
1124 | delwin(title_win); | |
b801d8b2 JF |
1125 | endwin(); |
1126 | ||
1127 | /* FIXME: Shutdown gracefully. */ | |
1128 | ||
1129 | exit(0); | |
1130 | } | |
1131 | ||
1132 | static void die(const char *err, ...) | |
1133 | { | |
1134 | va_list args; | |
1135 | ||
1136 | endwin(); | |
1137 | ||
1138 | va_start(args, err); | |
1139 | fputs("tig: ", stderr); | |
1140 | vfprintf(stderr, err, args); | |
1141 | fputs("\n", stderr); | |
1142 | va_end(args); | |
1143 | ||
1144 | exit(1); | |
1145 | } | |
1146 | ||
1147 | static void | |
1148 | report(const char *msg, ...) | |
1149 | { | |
1150 | va_list args; | |
1151 | ||
b76c2afc JF |
1152 | werase(title_win); |
1153 | wmove(title_win, 0, 0); | |
1154 | wprintw(title_win, "commit %s", commit_id); | |
1155 | wrefresh(title_win); | |
1156 | ||
b801d8b2 JF |
1157 | va_start(args, msg); |
1158 | ||
1159 | werase(status_win); | |
1160 | wmove(status_win, 0, 0); | |
1161 | ||
fd85fef1 | 1162 | #if 0 |
b801d8b2 | 1163 | if (display[current_view]) |
fd85fef1 JF |
1164 | wprintw(status_win, "%s %4s: ", commit_id, display[current_view]->name); |
1165 | #endif | |
b801d8b2 JF |
1166 | vwprintw(status_win, msg, args); |
1167 | wrefresh(status_win); | |
1168 | ||
1169 | va_end(args); | |
b801d8b2 JF |
1170 | } |
1171 | ||
1172 | int | |
1173 | main(int argc, char *argv[]) | |
1174 | { | |
b801d8b2 | 1175 | int x, y; |
b76c2afc JF |
1176 | int request; |
1177 | int git_cmd; | |
b801d8b2 JF |
1178 | |
1179 | signal(SIGINT, quit); | |
1180 | ||
b76c2afc JF |
1181 | git_cmd = parse_options(argc, argv); |
1182 | if (git_cmd < 0) | |
1183 | return 0; | |
1184 | ||
1185 | request = opt_request; | |
1186 | ||
b801d8b2 JF |
1187 | initscr(); /* initialize the curses library */ |
1188 | nonl(); /* tell curses not to do NL->CR/NL on output */ | |
1189 | cbreak(); /* take input chars one at a time, no wait for \n */ | |
1190 | noecho(); /* don't echo input */ | |
1191 | leaveok(stdscr, TRUE); | |
1192 | /* curs_set(0); */ | |
1193 | ||
1194 | if (has_colors()) | |
1195 | init_colors(); | |
1196 | ||
1197 | getmaxyx(stdscr, y, x); | |
1198 | status_win = newwin(1, 0, y - 1, 0); | |
1199 | if (!status_win) | |
1200 | die("Failed to create status window"); | |
1201 | ||
78c70acd JF |
1202 | title_win = newwin(1, 0, y - 2, 0); |
1203 | if (!title_win) | |
1204 | die("Failed to create title window"); | |
1205 | ||
b801d8b2 JF |
1206 | /* Enable keyboard mapping */ |
1207 | keypad(status_win, TRUE); | |
78c70acd JF |
1208 | wbkgdset(status_win, get_line_attr(LINE_STATUS)); |
1209 | wbkgdset(title_win, get_line_attr(LINE_TITLE)); | |
b801d8b2 JF |
1210 | |
1211 | while (view_driver(display[current_view], request)) { | |
1212 | struct view *view; | |
1213 | int i; | |
1214 | ||
1215 | foreach_view (view, i) { | |
1216 | if (view->pipe) { | |
1217 | update_view(view); | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | /* Refresh, accept single keystroke of input */ | |
1222 | request = wgetch(status_win); | |
1223 | if (request == KEY_RESIZE) { | |
1224 | int lines, cols; | |
1225 | ||
1226 | getmaxyx(stdscr, lines, cols); | |
78c70acd | 1227 | |
b801d8b2 JF |
1228 | mvwin(status_win, lines - 1, 0); |
1229 | wresize(status_win, 1, cols - 1); | |
78c70acd JF |
1230 | |
1231 | mvwin(title_win, lines - 2, 0); | |
1232 | wresize(title_win, 1, cols - 1); | |
b801d8b2 JF |
1233 | } |
1234 | } | |
1235 | ||
1236 | quit(0); | |
1237 | ||
1238 | return 0; | |
1239 | } | |
1240 | ||
1241 | /** | |
4c6fabc2 JF |
1242 | * BUGS |
1243 | * ---- | |
1244 | * Known bugs and problems: | |
1245 | * | |
1246 | * Redrawing of the main view while loading:: | |
1247 | * If only part of a commit has been parsed not all fields will be visible | |
1248 | * or even redrawn when the whole commit have loaded. This can be | |
1249 | * triggered when continuously moving to the last line. Use 'r' to redraw | |
1250 | * the whole screen. | |
1251 | * | |
1252 | * TODO | |
1253 | * ---- | |
1254 | * Features that should be explored. | |
1255 | * | |
1256 | * - Proper command line handling; ability to take the command that should be | |
1257 | * shown. Example: | |
1258 | * | |
1259 | * $ tig log -p | |
1260 | * | |
1261 | * - Internal command line (exmode-inspired) which allows to specify what git | |
1262 | * log or git diff command to run. Example: | |
1263 | * | |
1264 | * :log -p | |
1265 | * | |
1266 | * - Proper resizing support. I am yet to figure out whether catching SIGWINCH | |
1267 | * is preferred over using ncurses' built-in support for resizing. | |
1268 | * | |
1269 | * - Locale support. | |
1270 | * | |
b801d8b2 JF |
1271 | * COPYRIGHT |
1272 | * --------- | |
1273 | * Copyright (c) Jonas Fonseca, 2006 | |
1274 | * | |
1275 | * This program is free software; you can redistribute it and/or modify | |
1276 | * it under the terms of the GNU General Public License as published by | |
1277 | * the Free Software Foundation; either version 2 of the License, or | |
1278 | * (at your option) any later version. | |
1279 | * | |
1280 | * SEE ALSO | |
1281 | * -------- | |
4c6fabc2 | 1282 | * [verse] |
b801d8b2 JF |
1283 | * link:http://www.kernel.org/pub/software/scm/git/docs/[git(7)], |
1284 | * link:http://www.kernel.org/pub/software/scm/cogito/docs/[cogito(7)] | |
4c6fabc2 JF |
1285 | * gitk(1): git repository browser written using tcl/tk, |
1286 | * gitview(1): git repository browser written using python/gtk. | |
b801d8b2 | 1287 | **/ |